PDi 5-2009

Diaquip Market Expansion p. 36 Volume 9 • No. 5 Dec 09 - Jan 10

Reports:

The Cathedral in “Den Bosch” pages: 12-14

Report:

Lasting Commitment page: 26-27

Report:

New steel cutting wire

pages: 34-35

Concrete Cutting:

HF Cobra assists with refurbishment pages: 23

Demolition:

Hunt makes way for £600M development

Special Survey:

The PDi Concrete Cutting Survey Pages: 16-18

page: 50-51 News:

New remote controlled demolition robot from Husqvarna page: 43

Business on the road to recovery but exhibitors down at WOC 2010 page: 38-40

102

CONTENTS PDi • issue no. 5 Dec 09 - Jan 10 • Volume 9

REGULARS

Professional Demolition International Magazine Address: P.O. Box 786, SE-191 27 Sollentuna, SWEDEN Visitors address: Skillingevagen 14A., SE-192 71 Sollentuna, SWEDEN Phone:

+46 8 631 90 70

Telefax:

+46 8 585 700 47

E-mail:

info@pdworld.com

Website:

www.pdworld.com

ISSN Registration:

ISSN 1650-979X

Editor-in-Chief Jan Hermansson, Jan.Hermansson@pdworld.com Assisting Editor Anita do Rocio Hermansson, Anita.Hermansson@pdworld.com Editorial staff Editor Global: Mikael Karlsson, mikael.karlsson@pdworld.com Editor Demolition: Mark Anthony, mark.anthony@pdworld.com Editor Recycling: Heikki Harri, heikki.harri@pp1.inet.fi Editor North & South America Jim Parsons, jim.parsons@pdworld.com Editor Asia Pacific Silvana Wirepa, silvana@pdworld.com Editor Russia Andrei Bushmarin, andrei.bushmarin@pdworld.com Editor Africa Kevin Mayhew, kevinm@addixion.co.za Publisher Jan Hermansson

International Sales Offices

Sweden, Norway & Denmark Contact the Editorial Office Phone: +46 (0)8 631 90 70, Fax: +46 (0)8 585 700 47 E-mail: info@pdworld.com Germany/Austria/Switzerland/ Liechtenstein/Finland Gunter Schneider GSM International Postfach 20 21 06 - D-41552 Kaarst Alma-Mahler-Werfel-Str. 15 - D- 41564 Kaarst, Germany Phone: +49 2131 / 51 18 01 E-mail: gsm-international@web.de UK/Ireland/France/Belgium/ the Netherlands/Spain/Portugal M. Stéphane de Rémusat, REM - Europe Media Service Chemin de la Bourdette, F-31380 Gragnague, France Phone: +33 (0)5 34 27 01 30, Fax: +33 (0)5 34 27 01 31, +33 (0)5 34 27 01 34, Mobile: +33 (0)6 80 84 43 78 E-mail : sremusat@aol.com Italy Monica Colleoni & Romano Ferrario, Ediconsult Internazionale S.r.l.

Via Savona 97, 20144 Milano, Italy Phone: + 39 02 4771 0036, Fax: + 39 02 4771 1360 E-mail: milano@ediconsult.com USA & Canada Dunay Associates 16 Garden Place, Westwood, NJ 07675, USA Phone: +1 201 873 0891, Fax: +1 201 664 1829 E-Mail: darren.dunay@pdworld.com Australia/New Zealand/Asia Pacific/Korea/Japan Contact PDi editorial office in Sweden.

Rest of the world Contact the PDi head office.

6

Editorial

IACDS invites to “The Very Best of Diamond Technology” at Bauma

8

Membership value in challenging times

8

Business

Date and venue for 2010 Demolition Awards announced

DA rejoins EDA

Smart dust suppression solution between Hinowa and WLP

Lodab and Segerström forms DemCom

10

HTC opens new educational centre

4

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

New Sales Manager for ICS

54

Associations

IACDS holds its first seminar and coordinates its 2010 annual meeting with Bauma 2010

US Demolition Association 2010 annual convention

New option for Bobcat loaders

European Demolition association Spring Conference 2010

Brokk acquires its Australian distributor

Yury Mokin obituary

Chicago Pneumatic’s new breaker oil

HTC 650 RX available internationally

Reports 12-14 The Cathedral in “Den Bosch” 26-27 Lasting commitment 30-31 Under water cutting 34-35 New steel-cutting wire from Widecut 52-53 Allu expects huge market potential

Concrete Cutting 22 Educating young cutting specialists in Switzerland

23

24-25

Diamond Tools ensured success of sea wall strengthening project High cycle wall saw Cobra assists with refurbishment

Tyrolit seeks 2011 European Concrete Cutting Champion

32

EDT Eurodima on top

E-Z Drill assists with M25 widening

Diamond Tools 36 Diaquip market expansion

Shows 38-40 Business on the road to recovery

but the number of exhibitors down at WOC 2010

46-47 Record number of exhibitors

Demolition 44 Brokk takes a break in Singapore 48 Back to University for Connell Brothers

The magazine PDI, Professional Demolition International is published four times per year with a worldwide circulation of 13000 copies. The annual airmail subscription rate is US$ 45. All subscription correspondance should be directed to: The subscription department, SCOP AB, P.O. Box 786, SE-191 27 Sollentuna, Sweden. PDI is mailed by second class postage paid at Stockholm, Sweden. © Copyright SCOP AB 2000-2009

Finally its 2010!

49 50-51

Teamwork in Berlin Husqvarna robot enlisted at Fort Denning Hunt makes way for £600M development

NEWS

15

Clean air from Italy

Atlas Copco’s new cleaner Cobras

20

Tyrolit’s new drilling gearbox

ICS® Introduces Diamond Chain Wall Saw

Husqvarna’s new high cycle wall saw

21

New PREMIUM*** diamond core drills

Less dust, shorter drill times

HTC floor grinder gets design award

37 43

New single head grinder from SPE Husqvarna ready for Bauma 2010

Special Feature

16-18

The PDi Concrete Cutting Survey 2009

The picture on the cover of the magazine shows a sculpture on a mountain between Meran and Bozen in Italy, sometimes called Rubbish Hill where large amounts of rubbish are buried. The sculpture is intended to encourage people in the region to consider unlocking the rubbish and clean it up for ecological reasons.

Sculpturer Stefan Sprenker needs the rights tools to transfer stone into the desired image. In this case he used a hydraulic powered chain saw from ICS. “As a sculptor growing with each challenge and the stones used for raw material, my inner request is to create similar sculptures, but in a larger dimension,” says Sprenker. “But a freelance sculptor has limited funds, so it makes sense to finance in advance such a large project.

I am looking for sponsors or people interesting in buying projects. The right stone is still selected and comes from Sweden.” www.stefan-sprenker.de

Finally its 2010!

Words from the President

Dear Readers Here we are again, the end of another year, or perhaps at the beginning of a new year as when you receive this issue we will already be in 2010. I am quite happy that 2009 is over, as it was most dreadful for many of us. The market literally collapsed at the end of 2008 and that has continued during 2009, despite a small upturn at the end of the year. This is a positive move that might give us a hint that the market might grow slightly during 2010 and continue in 2011.

It feels quite good to make a fresh start in 2010. As a magazine and as one of the market organs that can assess the market we feel optimistic. Proof of that is an increase is sales of advertising. Another is the number of new products launched has also increased.

This issue of PDi carries our annual concrete cutting survey and I am pleased to write that manufacturers of concrete sawing and drilling equipment, as well as diamond tools, have quite a lot of new products in the pipeline. Some of them are already available and some will be launched at the World of Concrete and Bauma shows. Previews of these shows are also included in this issue of PDi. This year will also be quite interesting as Tyrolit is again organising their well received Cutting Pro Competition, which will start with a number of national competitions during 2010 to end up with the Grand Final in 2011 where the world’s best concrete cutter will be decided. PDi Magazine will as usual be a sponsor of the event and each national championship will be covered in the magazine.

2010 is also a special year as PDi is part of the organisation of a new exhibition called DEMCON, which will take place in Stockholm 9-10 September. This show is dedicated to the international concrete cutting, demolition and recycling industries and has already received considerable interest from exhibitors. More information on Demcon can be found at www.demcon.se. I am also pleased to announce that the International Association of Concrete Drillers & Sawers will hold their annual meeting on 23 April in conjunction with Bauma in Münich. IACDS will organise a series of seminars under the title of ‘The Very Best of Diamond Technology’. A number of well-known speakers will share their thoughts of the future of concrete sawing and drilling technology. There is further information about the seminars www.iads.org.

Sadly I also have to inform that one of Russia’s big names in concrete sawing and drilling Yury Mokin passed away just before Christmas. Yury was only 42 and had been the driving force for 16 years behind the concrete sawing and drilling and demolition contractor Olvex, which he founded and owned with a colleague and friend.

Olvex, based in St Petersburg, is one of the biggest European contractors in its field. I had the privilege to meet Yury Mokin on several occasions and pleased I had the opportunity to know him, but sad that this industry has lost such a young and inspirational force. I would like to express PDi’s condolences to Yury Mokin’s family, friends and colleagues at Olvex at this difficult time. An obituary by Yury’s colleague at Olvex, Andrei Bushmarin, appears on page 54 in this issue.

Finally I would like to wish all our readers the very best in 2010.

Jan Hermansson Editor-in-Chief jan.hermansson@pdworld.com

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PDi • Issue 5 - 2009 • Dec 09 - Jan 10

IACDS Invites to “The Very Best of Diamond Technology” at Bauma I have been a member of the American CDSA for some 27 years, which gave me the idea of starting the British Drilling & Sawing Association the following year and I am also a founder member of the ISCDS-IVBS, the World Association.

The benefits that I personally and my Company in general have obtained from the Association are tremendous. I can draw upon the experience of members worldwide when it comes to information on complicated jobs, Health & Safety, training, safety manuals, marketing and access to web sites, insurance issues, industrial research, specifications and best practices and even accounting information, for good or bad of a drilling and contracting company. But the biggest benefit, I found, was that the problems that went on in my own company do happen world wide and you are not alone.

Then talking to other member companies about these problems helped me and my company find the solutions.

With all my years of working and joining in the associations, my view is that it should be of a benefit and interest of all drilling, demolition or any other type of company to join their trade association, whether large or small the benefits are numerous. Small companies would benefit from what the larger companies have implemented and help networking and hopefully help harmony in the trade.

When I visit all the annual conference through out the world, I always find very useful ideas being passed around the conference table I then come back to England with two or three new ideas which we can then proceed to put into practice in my own trade association and my company. So in all I can highly recommend any company in the cutting profession, demolition or any other trade to join there trade association. One more fantastic benefit I have gained is that I have personally made some very good friends from the associations worldwide and holidayed with them throughout Europe and World.

At Bauma 2010 Fair ground, Hall B 1, Conference room B

11 in Munich on Friday, 23rd April 2010, starting at 10.00 to 14.00 the IACDSIVBS (World Association of drilling and sawing) is holding a seminar on ‘The Very Best of Diamond Technology’ the subjects that will be covered are at 10.00 on ‘dry coring and dry wire sawing in reinforced concrete by Martin Godickemeier of Hilti, 10.30 ‘cutting methods using a minimum of water with efficient recovery of dust and slurry’ by Thierry Gillet of Husqvarna, 11.00 ‘remote controlled underwater wire sawing’ by Franz Zeindler of Tyrolit, 11.30 ‘hydraulic versus high-frequency motor driven concrete cutting equipment – the pros and cons’ by Johan Hartvik of Tractive AB 12.00 ‘hydraulic versus high-frequency motor driven concrete cutting equipment – environmental considerations’ by Johan Hartvik of Tractive AB. 12.30 ‘nuclear power plants – large decommissioning projects by Franz Zeindler of Tyrolit. 13.00 ‘post installed rebar – efficient methods of strengthening concrete structures by Jakob Kunz of Hilti. 13.30 ‘floor grinding and demolition markets – new opportunities for growth

by Thomas Nilsson of Husqvarna Construction Products AB. For these seminars register on line at www.iacds.org.

Following on from Bauma on Monday 26th April the IACDS will be holding their world conference at the Ramada Hotel, Salzburg, all association members from around the world are welcome to attend – SEE YOU THERE!

Best regards Peter White President IACDS

LEADING CONCRETE CUTTING TECHNOLOGY

TEL: 0044 (0) 161 406 0609 | FAX: 0044 (0) 161 406 0211 E-MAIL: sales@diaquip.co.uk

Words from O’Brien

Membership Value in Chal-special survey lenging Times In previous columns, I have talked about increasing market share in a down economy and expanding business offerings to include services such as selective demolition, ground penetrating radar imaging, concrete flatwork and concrete removal to better serve the customer base. But membership in a sawing and drilling association often offers resources that can help a company succeed in business during tough economic times.

In member surveys conducted over the past 20 years, the number one benefit of CSDA membership has always been networking. The community of sawing and drilling professionals is always willing to assist another member with information, equipment, personnel and more. This is a testament to the quality of the fine people who make up this industry and their dedication to it. Members who are able to attend the annual conventions or seasonal meetings meet face-to-face with their peers from around the country, even around the globe, to exchange information and best practices to help them succeed in business. For those members not able to travel, assistance is available via phone or Internet. CSDA often facilitates conversations between members and it is not uncommon that this reach extends to the far corners of the globe with 20% of the membership located outside the US. CSDA also provides a variety of other support services, most of which are available to members 24/7 via the Internet. Some of the most frequent requests are for silica, slurry and safety information. Members are also being asked to justify what type of protective masks, if required, should be provided for their operators. Most contractors simply do not have the time or funds to develop a comprehensive data base to respond to a request like this. CSDA has assembled a data base of over 100 separate items identifying different types of sawing

or drilling operations and for each a NIOSH (National Institute for Occupational Safety and Health) recommended protection is provided, whether it is a N100 disposable filter, 1/2-face respirator or no protection required. Each of these data points was developed from NIOSH or individual contractor testing and it would be difficult for any one company to compile such an exhaustive data base.

How to handle the disposal of slurry is another area that contractors have to justify to their customer. Many want to consider slurry as a hazardous material and dispose of it in accordance with established practices, which are expensive. CSDA hired an environmental engineering firm to test different slurry samples from a wide geographic area and the results show that slurry is not a hazardous material. Contractors can use this 62-page report to justify how slurry is to be disposed of thus saving the time and expense of hazardous disposal.

The CSDA Safety Manual is yet another aid for contractors who don’t have the resources to develop their own company safety program targeted for the sawing and drilling industry. This 230-page manual is available in an electronic file and can be easily customized with the company name to provide a personalized safety program for your company.

These are just a few of the resources and services offered by an association like CSDA. They have been developed in response to the wants and needs as expressed by contractors over time. Hopefully they will be useful to make running a contracting business a bit easier during tough economic times while increasing the chances to thrive in business.

Best regards Patrick O’Brien Executive Director CSDA, US Concrete Sawing & Drilling Association

New Sales Manager for ICS The US company ICS, Blount Inc, based in Portland Oregon has appointed Scott Brown as Western Regional Sales Manager. Formerly the Territory Sales Manager for the Pacific Northwest, Scott is now responsible for sales in Western Canada, Alaska, Oregon, Washington, Idaho, Montana, Wyoming, California, Hawaii, Nevada, Utah, Arizona and New Mexico. “Scott’s background in the sawing & drilling industry combined with his ICS experience make him the ideal person to lead the company’s future efforts in new product introductions and revenue growth,” says ICS president Jake VanderZanden. ICS is a division of Blount International, Inc., a diversified manufacturing company with global distribution.

ICS introduced the world’s first concrete chain saw in 1992 and sells a large line of concrete cutting chain saws, diamond chains, and related products through a worldwide distribution network.

www.icsbestway.com

Date and venue for 2010 Demolition Awards announced The 2010 World Demolition Awards will be presented on 5 November 2010, once again at the Hotel Okura in Amsterdam. The closing date for entries will be Friday 30 July. Entries for the various categories should cover work carried out or completed during 2009. No entries will be accepted after this date. The Demolition Awards will form part of the 2010 World Demolition Summit - a gathering of many of the major players in the global demolition industry, as well as leading equipment suppliers to the industry.

DA rejoins EDA Following a board meeting on 1st December, the Deutsch Abbruchverband (German Demolition Association) has voted to rejoin the European Demolition Association (EDA) with effect from 2010.

According to DA president Walter Werner, this decision was backed by a large majority of the board members present at the meeting. This is good news for the EDA, since it brings back to the fold one of the larger and more active of the national European demolition associations.

Smart dust suppression solution between Hinowa and WLP Hinowa has introduced a crawler mounted dust

8

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

suppression system, which is a combination of their tracked Goldlift 14.70 and a WPL410 rotating dust suppression gun. The Goldlift 14.70 is able to elevate the nozzle to a maximum height of 12 m (39.4 ft) to maximise the throw area. The WLP410 itself has a maximum throw distance of 30 m (98.5 ft), offers 320º rotation and can cover up to 2,800 m2 (30,100 square feet). Recommended operating pressure is 10 Bar, at which pressure it uses 35 litres (7.7 gallons) of water per minute. Hinowa has also made this unit available on its TP1800 tracked forklift.

Lodab and Segerström join forces Two of Sweden’s largest demolition contractors, Lodab Demolering AB and Entreprenad AB Sven Segerström, have joined forces. The new company is called Demolition Company AB but is shorted DemCom AB. The aim is to maintain the leading position in terms of demolition, recycling, industrial clearance and decontamination. Initially the new company will employ 80 and is expected to reach an annual turn over of some EUR 19M. DemCom will have offices in Stockholm, Örebro and Fagersta.

President for the company will be Stefan Petersson and Vice President Johan Segerström. The new company will be owned 100% by the families Dahl (Lodab Demolering AB) and Segerström (Entreprenad AB Sven Segerström).

A perfect co-operation “We are very enthusiastic about the strong industrial power in this merger which will create a very strong Northern Europe based demolition and recycling player,” says Lars-Olov Dahl founder of Lodab.

Both Lodab and Segerström have a long tradition and great knowledge from the fields they have been working in. The two founding companies are also very profitable, have well protected market shares and clear visions about how they would like to work and grow. DemCom will be a continuation of these visions and a concentration of forces as well as expansion in to new business ideas. One to mention is to the develop the company sectors waste handling and recycling.

DemCom will survey first of all the entire Nordic market and in order to capture more market shares new local offices will be opened in northern Europe.

“DemCom will have a size and a financial solidity which will guarantee substance, trust and security to large international clients. Both founding companies of DemCom have since the start had a clear focus on optimal training, methods and right choice of equipment, which has lead to a continuous growth and preserved profitability in both companies. This means that DemCom will be well equipped for profitable growth and international expansion which will benefit our clients, our employees, partners and the company itself,” says DemCom President Stefan Petersson.

www.demcom.se

PDI_183x122_:Layout 1

27-02-2009

15:53

Pagina 2

www.trevibenne.it

Strength is nothing without Precision.

TREVI BENNE spa 36025 Noventa Vicentina - VI - Italy Via A. Volta, 5 - T 0444 760773 F 0444 861182 - info@trevibenne.it

HTC opens new Educational Centre

that they have a local long-term partner,” says Brokk Australia Pty. Ltd. managing director and Asia-Pacific regional manager Jonas Stahlbage.

Brokk already have close to one hundred remotely controlled robots working in Australia. With the recent launch of Brokk 260, Brokk now has a range of five different machines, all equipped with powerful tools, which could meet the wide range of demolition demands Australia offers.

“We supplied the first machine in Australia back in 1984. When a product has been around for over 25 years our customers know that the experience and knowledge behind that product is second to no other”, says Brokk Australia Pty Ltd. general manager Tony Mace.

HTC’s new Customer and Educational Centre in Söderköping, Sweden, has a fantastic entrance with an HTC Superfloor™ like a mirror, a huge Academy Theatre with more than 50 seats, a modern restaurant area and a 500m2 indoor concrete slab to test all machines and tools. After the grand opening the centre has been fully booked with HTC Academies, open house and distributor meetings. “This new building provides us with new and unique possibilities to demonstrate our machines and also to let our customers try them out”, says HTC chief executive officer Håkan Thysell.

The Customer and Educational Centre covers about 1000m2 but the complete new building is just under 3000m2 in total and will include a development centre and additional offices space.

machine is now available internationally and is based on the same technique as the HTC 950 RX. It has a better turning radius and more effective grinding time suitable for small and large surfaces.

The HTC 650 RX is claimed to have several advantages, including radio control, patented drive system with four grinding discs, integrated system of weights for adjusting grinding pressure and width of 710mm for fitting through normal size doors. The radio control makes the machine very simple and effective to operate and minimizes operator injuries from stress and vibrations.

www.htc-floorsystems.com

www.brokk.com

www.htc-floorsystems.com

front horn, electro hydraulic lift arm lock, hazard switch, brake lights, turn indicators, a slow motion vehicle triangle and licence light.

The road option kit is based around a plug-andplay concept. For convenience, the lights and mirrors assemblies as well as the beacon can be removed without any tools for off-road travel and work. The road option uses standard Bobcat parts, with routing of front light harnesses on the lift arm cylinders and switches for beacon and hazard lights integrated into the front panel on the loader. The triangle and licence light are also integrated in the assembly.

www.bobcat.eu

Brokk acquires its Australian distributor

New option for Bobcat loaders A new factory-installed road option is now available for all Bobcat loader models produced at the Bobcat compact equipment plant in the Czech Republic.

The new road option, which equips the loaders for travel and use on roads throughout the European Union, can be fitted to the S100, S130, S150, S160, S175 and S185 skid-steer loaders as well as the new T110 compact tracked loader, all of which are produced at the Bobcat factory in Dobris. The road kit includes a rotary beacon, front lights and mirrors,

10

The Swedish manufacturer of remotely controlled demolition machines, Brokk AB, has acquired the Australian company Kiwi Operations Downunder Pty Ltd. The companies have worked together for several years, Kiwi Operations Downunder being Brokk’s distributor in Australia. This will be the sixth subsidiary after the most recent in Singapore where Brokk inaugurated its Asia-Pacific Regional Head Office earlier in 2009.

The acquisition will allow Brokk to better support its customers in Australia and New Zealand and make long-term investments for a stronger presence in Australia. The operations will continue in the same premises in Adelaide, centrally located in Australia.

The current staff of Kiwi Operations Downunder Pty. Ltd. will be transferred to the new subsidiary Brokk Australia Pty. Ltd. “Strategically this is an important step towards a stronger presence in the Asia-Pacific region, which has become a very important market for Brokk. Setting up our own subsidiary will show our customers a strong commitment to the Australian market to ensure them

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Chicago Pneumatic’s new breaker oil Chicago Pneumatic has introduced its fully synthetic Airolene Plus Tool Oil with anti-frost properties. The biodegradable lubricant has been developed for pneumatic paving breakers, chipping hammers and rivet busters.

Continuous lubrication is needed even more in frosty weather conditions. Pneumatic breakers and hammers might experience downtime from freezing caused by ice formations in and around ports and valves. This is what Chicago Pneumatic Airolene Plus Tool Oil avoids with its ice-dissolving power.

The lubricant has been especially designed for demanding applications. All pneumatic tools face risk of corrosion. Airolene Plus Tool Oil permanently absorbs moisture and protects pneumatic tools against corrosion. It supports smooth, continuous operation even under extreme conditions.

Continuous lubrication optimises machine lifetime and reduces maintenance costs.

Airolene Plus Tool Oil is readily biodegradable according to OECD 301. This defines a product with biodegradability over 60% within 10 days.

In addition Chicago Pneumatic has also developed the similar semi-synthetic Airolene Plus Rock Drill Oil for pneumatic rock drills.

It is insensitive to ambient temperature and helps to protect against wear and corrosion.

www.cp.com

HTC 650 RX available internationally The new radio controlled HTC 650 RX grinding

Pullman Ermator AB appoints new Export Manager The Swedish manufacturer Pullman Ermator AB has during the autumn of 2009 appointed a new Export Manager. The new manager is Fredrik Hirn who already is well-known to the industry. Fredrik Hirn has for many years had the same position at the manufacturer Dustcontrol AB. Pullman Ermator has also acquired the Swedish manufacturer SWIX AB which also manufacturers dust and slurry extraction equipment.

Included in the acquisition is the popular Swix 6000 dust extractor. This is a powerful model that easily fits in a small truck or van and is perfect for floor grinding companies.

They only thing that has changed is the colour from yellow to traditional Pullman Ermator red.

www.pullman-ermator.se

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The Cathedral i

It took almost 10 years to restore the magnificent Cathedral in gothic style located in the Dutch city of Den Bosch. The renovation is now in the last phase and the old Cathedral has been cut up into 6000 pieces. These have been carefully renovated and replaced. The Dutch renovation company Nico de Bont B.V. has used hydraulic chain saws and diamond chains from the US manufacturer ICS Blount to carry out the complicated and time consuming restoration. PDi’s Mikael Karlsson reports.

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PDi • Issue ssue 5 4 - 2009 • D Oec ct 09 - N-ovJan 10

in “Den Bosch” Text and photo: Mikael Karlsson

To restore old historical buildings and churches every effort is made to conserve the old structures as much as possible. It can take decades to complete a major restoration, which needs to be done in a cost effective way with a fixed budget.

Occupied 45 experts The supervisor of the Dutch renovation company Nico de Bont B.V., Toon Weyters is well aware of how it works. He and his workforce of 25 have been restoring the huge St. Jan Cathedral in Den Bosch in southern Netherlands for almost ten years.

Along with them, about 20 history and church experts have been recruited to ensure the restoration is performed in every detail, such as repairing sculptures, ornaments and artwork.

Construction of the huge Cathedral started in the 13th century and lasted throughout the late Middle Ages. St. Jan is a testimony of the typical gothic style of the Dutch Brabant region and an architectural masterpiece and important tourist attraction. At Christmas in 2010 the long restoration should be completed at a cost of EUR43.2M, with the money coming from voluntary collections and taxes. The whole restoration process has been divided into 11 different phases. And the last one is to take off the sandstone, limestone and Portland stone of different ages and quality and repair it.

6,000 pieces The job is performed piece-by-piece and block-by-block. “We actually cut down the stone structure of the church in 6,000 The Cathedral is literally cut down in some 6,000 pieces, numbered, stored and restored and then put back in place again (large picture to the left).

Toon Weyters, supervisor of the Dutch restoration company Nico de Bont B.V. showing the detailed drawings of the St. Jan Cathedral and how it is cut into pieces.

pieces according to very detailed drawings prepared using an American computer scanning method. The computer program analyzes the structure and material in every detail and divides the church into a puzzle to be cut piece by piece. Every piece and block is organized in order and by number in order to

Michel Koutzé, one of the stone cutters operating with the ICS h880F4 hydraulic chain saw.

A good example of the restoration.

Issue 5 - 2009 • Dec 09 - Jan 10 • PDi 13

know exactly how to rebuild the church again. However, the actual stone cutting has to be done manually with hydraulic concrete chain saws. There is no other way to do it and is a hell of a job,” says Toon Weyters.

ICS - Modern techniques and good tools Two stone cutters are constantly working between three to five hours a day cutting out the blocks and pieces, the biggest block measuring 2m3 and then they degrade down to small fragments.

They use ICS hydraulic concrete chain saws, including the 880F4 model and some older types such as 853 Pro. They are all equipped with the new type Abrasive Pro Force 4 diamond chains of 380mm. Due to the large amount of tough hardcore cutting two machines are working constantly, while two are on maintenance and one spare machine in case of breakdown.

“We actually delivered the first ICS saws in 2000 and have constantly been involved to supply new saws as well as spare parts and service as quick as possible to Nico de Bont,” says René van der Wegen of Van Voorden B.V., the distributor of ICS equipment in the Netherlands. “This is a huge and tough job and we must guarantee full availability of the ICS saws, no margins for unexpected breakdowns.”

Nico de Bont has been using ICS hydraulic chain saws since the very start of the church renovation. Modern techniques and good tools, together with personal involvement of trained employees with concern for the monument, craftsmanship and attention to details guarantee that the job is done correctly and on time.

The St. Jan Cathedral is a testimony of the typical gothic style of the Dutch Brabant region, a real architectural masterpiece and an important tourist attraction in the city of Den Bosch.

www.icsbestway.com

All renovated pieces are carefully put back in place.

This is where all pieces were kept during the renovation.

The actual stone cutting has to be done manually with hydraulic chain saws. “There is no other way to do it and is a hell of a job,” according to Toon Weyters.

14

Some 25 employees of Nico de Bont and 20 externally recruited church and art experts are restoring the Cathedral, piece by piece.

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Clean air from Italy

• WLP dust suppression systems use less water than traditional water sprinklers with a fine mist of water droplets ranging in size from 50µm-200µm, the best size for dust suppression • WLP’s dust suppression gun covers a large area between 9,200ft2 and 39,400ft2 • Less mud means construction sites and machines stay cleaner, therefore reducing the need for clean-up • No need for employing people to wet roads and squares (not having to employ people means a significant return on investment) • Machines are easy to use and install, and after set-up, can be run 24/7 • The use of a system that protects the environment always makes a good impression on public authorities and environmental organizations • WLP dust suppression systems make the work place healthier and cooler during the summer

Low-energy dust suppression gun

The Italian company WLP S.r.l. in Trento that manufacturers dust suppression guns has strengthend its position on the global market during the last years. WLP provides a comprehensive technology for dust suppression and odour control for a wide range of industries. Fields of applications include building and demolition sites, recesses and inert recycling systems, cement factories and concrete production plants, construction of roads and tunnels, steel factories and compost production plants, wood processing plants, solid urban waste landfill sites and transfer, mining and quarrying,

environmental remediation and ports and shipping sites. The WLP dust suppression and odour control system can reduce the cost of dust control by around 50%, according to WLP. Most companies realize payback in six months or less.

Dust and odour control systems WLP’s dust suppression and odour control system reduces the problem of dust and odour in all sites (inside or outside). Each WLP system tries to reproduce a natural phenomenon artificially. The machine has several nozzles that eject tiny drops

of water. These drops capture the dust particles in the air and make them sink to the ground.

Besides the guns, a complete system includes a pumping station, a water distribution system, an electrical power distribution system, a data transmission system and a programming, control and monitoring unit.

The WLP dust suppression gun helps to improve ambient air quality, protect the local environment and reduce neighbour complaints. WLP units use a high-pressure system to create an ultra-fine mist, attracting dust and odour particles and driving them to the ground to ensure the best dust and odour suppression.

Depending on the model, the WLP gun can blanket between 854 m2 (9,200ft2) and 3,660 m2 (39,400ft2) and provides the lowest energy consumption per square foot. WLP aims to provide energy savings, with its machines designed to use minimal power.

WLP models are available in either mobile or standing units, to provide you with the best solution for your site.

www.wlpdust.com

Dust suppression system advantages WLP’s dust suppression system is, according to the manufacturer, more efficient than traditional systems because of the following:

Atlas Copco’s new cleaner Cobras The 2010 generation of Atlas Copco Cobra™ petrol drill and breakers meet the stricter requirements of exhaust emission set by the US based Environmental Protection Agency. Phase 2 of the Exhaust emission standards for small non-road engines of the EPA and its EU equivalent, EG 97/68/EG with amendment 2002/88/EG constitute a reduction of hydrocarbon and nitrogen oxide emissions and are probably the most demanding in the history of environmental regulations. Compared to the previous generation of Cobra™ machines, the emission of hydrocarbons has been reduced by approximately 50%. Featuring improved carburettor and filter systems and redesigned and fine tuned noise reduction system, including a catalytic element, the new generation of Cobra™ petrol drill and break-

ers meets the requirement for exhaust emissions demanded by the stricter emission limits.

The new Cobra™ petrol breakers are easy to start. All models feature an electronic ignition, choke and a re-designed tank cap. Cobra™ Pro and TT additionally contain a decompression valve.

An optional guide roller is available for Cobra™ Combi to make it easy to pull downwards to start the machine when it is positioned high in relation to the operator. Long life and easy service is achieved through a high capacity air filter, which is easy to access for fast servicing.

All Cobra™ machines work independently from external power sources. Transfer to and off site is easy and can be carried out by a single operator. Cobra ™ Combi is a multi-purpose

machine featuring high impact mechanism with rotation option and a built in compressor, ideal for onsite jobs such as breaking, drilling, cutting, driving and compacting.

Cobra™ Pro is the combination of high percussive energy and high blow frequency. It delivers almost twice the impact energy of other petrol-driven breakers and offers the same power-to-weight ratio as many pneumatic or hydraulic breakers. Cobra™ Pro is used for breaking concrete and asphalt, digging, driving posts and fences, rods and spikes and for tamping and compacting.

Cobra™ TT has been specially designed for tie tamping. It works at the relatively high frequency of 1,620 blows/min and the impact energy has been optimized to prevent pulverization of ballast.

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 15

special survey

A difficult market - but surviving The global economical crisis has hardly spared any nation and undoubtedly it has affected the international diamond tool and concrete sawing and drilling industry.

PDi’s annual Concrete Cutting Survey used to receive help with statistics from the International Association of Concrete Drillers and Sawers. But IACDS has not presented any data for 2008 and the 2009 figures are also not yet available.

This Concrete Cutting Survey is, therefore, based on data PDi has collected during 2009.

In 2008 the effects of the crisis were more diversified.

Some nations had hardly suffered while others were about to enter the recession. In 2009 most countries experienced the crisis with cut backs in market value ranging between 25 to 55%. The figures mainly represent the situation in Europe, USA and Japan. The biggest drop in market value came during 2008 and 2009 has, in most areas, represented stagnation with a slight recovery in turnover during the second part of the year. Some countries in Europe have had the strongest cut backs in 2009, but it seems like the market is recovering faster then expected.

Germany is an example of this as the German Sawing & Drilling Association has reported that it has strengthened its number of members from 479 in June 2008 to 532 in June 2009. The number of manufacturing members has also increased from 37 to 41 in the same period.

The near future But what about 2010 and 2011? PDi has spoken to representatives from several associations and manufacturers and most of them are largely in agreement that we have seen the bottom of the crisis, in Europe and USA. The Russian market and some of the other eastern European nations may have a little more to go before there is a change for the better. The same probably applies to the Japanese market. Asia Pacific, and in particular Australia, might not have yet fully experienced the recession, which will probably bloom during 2010.

In Europe and also USA the first half of 2010 will remain at about the current level or perhaps with a slight increase, which is believed will accelerate during the autumn of 2010 and even more during 2011.

There is a big need for replacement of equipment and if the signals are right the turn might become even stronger then expected. During part of 2008 and 2009 very few machines were sold. The contractors have used their old equipment as much as possible and have repaired old machines instead of investing in new. Diamond tools have dominated sales, even though that product sector also declined. The global concrete cutting machine fleet is in a poor shape, which also affects the quality and efficiency of concrete cutting services.

The lack of investment by the world’s concrete sawing and drilling contractors has impacted on manufacturers. Sales of machinery have drastically declined leading to fewer new products being released during the year. Another reason the market has seen fewer new products is because manufacturers are holding off until the world’s biggest building machinery and equipment show Bauma in April. Similarly new products are expected to be launched at the forthcoming World of Concrete in February.

Cedima GmbH The German manufacturer Cedima GmbH, which has a strong position in the eastern regions of Europe, as well as parts of Asia, has not released any new products

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PDi • Issue 5 - 2009 • Dec 09 - Jan 10

during 2009. The company may have some surprises for Bauma.

Demco Swiss machine manufacturer Demco is an inventor of smart machines and devices for concrete sawing and drilling.

During 2008 several new products were launched and the company is also believed to finalised the design of several new ones during 2009. But Demco does not shout about its new products until they have been thoroughly tested on sites by contractors. Undoubtedly there will be some of their new products at Bauma in hall A1.

Diaquip The UK diamond tool manufacturer Diaquip has featured several times in PDi during 2009. Diaquip has for several years been in a strong position on the UK market as a producer of diamond tools. Since last year the company’s activities have increased radically selling diamond tools to almost all corners of the world. Besides its own production Diaquip is distributor in the UK for a number of machine and equipment brands. (See Diaquip feature on page 36).

EDT Eurodima Since EDT Eurodima became a part of German Rothenberger Group it has been more aggressive. Lately the company has invested in improving its diamond tools.

About a year ago EDT Eurodima launched the patented diamond tool Duramant. This has a new bonding and diamond mix, which improves both the efficiency and life of the tools and is now available both for blades and core drills. The manufacturer has also developed a new technique, Space Welding, taken from the automotive industry and gives extra strong joints between the diamond segments and steel.

Hilti For new machinery for concrete sawers and drillers Hilti has been quiet during 2009, but there are rumours of a number of new products being released in the spring. During 2009 Hilti has strengthened its position in USA by acquiring the US diamond tool manufacturer Diamond B. Hilti has also released their new breaker TE 1000-AVR, which is lighter then its forerunner and has 50% more cutting performance and less vibration. Hilti has also launched a new handheld drilling system called DD 110-W. This machine is mainly for builders, carpenters and plumbers.

Husqvarna Construction Products Husqvarna Construction Products is one of the few companies that have maintained a high pace of development throughout the year resulting in several new products.

At the beginning of the year Husqvarna released the new dust reduction system Husqvarna WT 10. WT 10 makes it easy to cut wet even without any access to water on the site. WT 10 has a water tank, a Lithium-Ion battery, and

STRENGTH THAT COMES FROM INNOVATION

With two decades of innovation and experience, ICS continues to lead with new ideas and stronger products. It’s no wonder more and more professional concrete cutters are switching to FORCE4™.

See us at WOC February 2-5, 2010 – Booth# O30310 icsbestway.com

© 2009 ICS, Blount Inc. All rights reserved.

special survey charger and flush valve. The tank can be connected to Husqvarna’s Power Cutters, such as the new electric cutter K3000 WET, and core drills and creates a thin water mist to collect dust.

Main news at the end of 2008 was Husqvarna’s new remotely controlled demolition robot DXR 310. This is to be followed by the two smaller robots DXR 140 and DXR 250. (See page 43).

During the autumn of 2009 the company also released the new high cycle wall saw WS 482 HF (see page 20) that is the big brother to WS 440. New are also the drilling system with the core drill DM 340 and the drill stand DS 450. DM 340 is currently the most powerful core drill machine in the Husqvarna range.

ICS Blount This issue of PDi features information on ICS. Besides the report about the renovation of the Den Bosch Cathedral in the Netherlands made with the assistance of ICS chains saws and diamond chains, there is also information on new products. ICS is releasing the new wall saw CWS-200, which combines ICS patented diamond chain technology with a new mechanized, rail mounted hydraulic drive unit enabling deep sawing without over cuts. CWS-200 is compact and light and easy to mount. (See page 20). Fairly new is also the concrete chain saw cutter 880F4, which is based on the new FORCE 4™ technology.

Pentruder Another company that has accelerated during the crisis is concrete cutting equipment manufacturer Pentruder. During the year the new production plant in Sweden was finished and a

customer event was held there in June. Several new subsidiaries have been started in various countries including USA, Sweden, Norway and UK. Among the news for 2009 is the new drilling system that is compatible with the Pentruder rail system. The Pentruder range is steadily growing and contains five HF wall saws, including the new Pentruder CBK and the new wire sawing system Pentruder 3P8 and the new drill Pentruder Modular Concrete Cutting System. Anders Johnsén, the inventor and owner of the company says that once you have the complete Pentruder system you do not need anything more.

Soon to be announced is the completely new core drilling Pentruder Core EZ, which can be integrated with the new MCCS. This is new for coring as the power is placed in the centre instead of at the side (see PDi issue 3-2009). Further new products are a new and safer quick coupling for drills as well as a new connection box, which prevents electrical failures.

Pentruder is now working on some new attachments for the Pentruder system, like a chain saw module as well as a new flat saw range, which may be launched at the World of Concrete show.

Saint Gobain • Nimbus Diamond Tools In 2009 Saint Gobain Abrasive marked its way in to the international arena with several brands. The silent diamond blade Silensio has become a poplar product for cutting in sensitive areas. The company has also focused on their Nimbus Diamond Tools brand, containing models like V-Max, Avensis, Platinum, Titan and Proxy. Norton, part of Saint Gobain, has released a special device for reducing the diameter of a blade to fit various machines. The special device is called Quickfix and is available in two different sizes.

Another Saint Gobain brand is Clipper, which has released the floor and road saw Clipper CS 451 as well as the new frame saw TR 250 HDF, which radically reduces the amount of dust when dry cutting.

Tyrolit Also Tyrolit has been active with diamond tools by releasing several new models. The new diamond blade Tyrolit DCU*** Fastcut 4in1 cuts fast and can be used also for cutting steel.

The blade is developed for dry cutting of concrete, stone, steel and other types of abrasive materials. It is available in diameters between 115 to 230 mm. The dry cutting core drill Tyrolit DDL*** has also been launched (see page 21) and the company has also introduced a new concept for core drills named CD***. Just before PDi went to press Tyrolit announced it was launching the new drilling gearbox (see page 20).

2010 is also the year when another edition of the popular and international Cutting Pro Competition will start. A number of national championships will be held around Europe and the final will again take place in Innsbruck, 2011 (for more info see page 24-25).

WideCut The diamond wire manufacturer WideCut in Korea is a manufacturer we regularly feature. WideCut’s wires have become a ‘Rolls Royce’ in the industry. The company has recently added a new diamond wire to their product range. The new wire, marketed as HT-2, is designed to cut steel and heavily reinforced concrete. (See special report on pages 34-35).

The Chinese market Chinese manufacturers have so far been inactive in the international market. Most of the tools and machines produced in China are sold as OEM-products, with the exception of Sinoblade that has started to promote their products world wide as an independent Chinese brand. The full name of the company is Zhengzhou Sinoblade Diamond Tools Co., Ltd, which develops and produces a wide range of diamond tools for the concrete sawing and drilling industry.

18

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

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Tyrolit’s new drilling gearbox Tyrolit Hydrostress has expanded its modular system of machines and components with a new drilling gearbox that can be used to drill holes of up to 1m diameter using highfrequency electric motors and standard hydraulic motors. It can be used with the existing control system, remote control and the high-frequency motor for wall saws WX15 and WSE1620***. With the control system, remote control and two speeds on the drilling gearbox, eight stages are available to achieve optimum rotational speed. A special flange to enable the drilling gearbox to withstand the high force requirements when work-

ing on site has replaced the 32mm drill bit mount. The high performance of the gear means that it can now be used with highly reinforced concrete. After intensive testing, the product is now being used in the construction industry worldwide.

The drilling gear box can be used with the existing system components from the wall saw range for drilling with high frequency motors up to a diameter of 1m and for drilling deep holes that demand high performance. This means that it is now possible to drill using electrical components where previously only hydraulic equipment could be used.

With an add-on kit, the drilling gearbox can easily be converted for use with commercial hydraulic drill motors for large hole diameters of 500-1000mm. The ideal partner to complete the system is a TYROLIT Hydrostress power pack.

www.tyrolit.com

Drilling gear technical data:

Output at 16 A: 8 kW Application: Electric and hydraulic Feed Electric and hydraulic: Drilling range with BC-2

150-1000 mm

Drilling range with

DRA500*** / HCCB-7

150-500 mm Stages: 8 Compatible drill rigs: DRA500***

/ HCCB-7 (500 mm) and

BC2 (1000 mm) Weight: 11 kg

Husqvarna’s new high cycle wall saw Husqvarna has introduced the new electric wall saw, the WS 482 HF based on the same technology as the WS 440 HF launched last year, but can hold up to 1.6m diameter blades and is operated by radio remote control. It has a new two-speed gearbox combined with variable speed transmission, which allows the optimum speed to be set according to blade diameter, blade type and cutting material. Husqvarna’s new saw is light, flexible and extremely powerful. “The WS 482 is incredibly powerful. You get a total of

19 kW to the blade shaft with a 32 amp fuse, despite the saw weighing only 28 kg. A great advantage is that if only 16 amps are available at the workplace, the WS 482 still delivers a high power of 9 kW. No other electric wall saw on the market today can do this,” says Husqvarna Construction Products construction equipment product manager Lars Gustafsson.

Just like all Husqvarna products, the WS 482 HF was developed to make operators’ work easier and more efficient. The saw is of modular

TERRCO®

The name in Heavy Duty Surface Preparation and Grinding

SPEED SHIFT TOOLING SYSTEM Model 6200

Speed Shift Plate

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Shark’s Teeth for thick mil removal.

Model 3100 LP

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Trowel Buster for roughing hard troweled floor.

Epoxy cutter for thin mil & mastic removal.

Direct Drive System • Heavy Duty • Time Tested Low Maintenance • Quiet Change Tooling

“74 Years in Business”

Visit us at World of Concrete February 2-5, 2010 in Las Vegas Booth 031541.

TERRCO®, INC.

Watertown, SD 57201 • (605) 882-3888 • Fax (605) 882-0778 E-mail: info@terrco.com • Website: www.terrco.com

20

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

construction, making it easy to hang on the wall and transport. It is possible to cut on both sides of the track. Its direction of rotation can be selected so that the water always sprays in the desired direction, irrespective of which side of the track sawing is done. These combined features make Husqvarna’s electric wall saws completely unique, the company claims. The PP 480 HF is the power pack for the WS 482. It weighs only 23 kg, is compact and easy to transport.

www.husqvarnacp.com

Technical facts: WS 482 HF The powerful water- cooled electric motor generates 19 kW at the shaft even though the saw weighs only 28 kg.

•

•

•

• •

•

The shaft has a continuous speed setting and is operated via radio remote control.

Two-speed water-cooled gearbox for a wide rpm range.

Short distance between track and blade for a straighter cut and less wear on saw and blade.

Slip clutch for all moving parts.

Symmetric track makes is possible to cut on both sides of the track.

The rotation direction of the blade can be set by remote control, giving the water spray the desired direction

Husqvarna’s new electric wall-saw allows cutting and drilling professionals to work faster and more efficiently. The small distance between track and blade gives a straight cut with less wear on saw and blade.

ICS® Introduces Diamond Chain Wall Saw In the USA the chain saw manufacturer ICS has introduced the latest CWS-200 concrete chain wall saw, which combines patented ICS diamond chain technology with a mechanized, track-mounted hydraulic power drive, allowing deep cutting without overcuts and less overall effort than other methods.

The CWS-200 is compact and lightweight and provides a one-tool approach to completing a full opening with square corners. The ability to mount the system to industry standard 360 track, combined with the capabilities of a chainsaw offers the advantages of increased cutting speed, increased chain life, improved ergonomics and significantly reduced operator effort.

The CWS-200 will easily integrate into operations using hydraulic power and operates with the hydraulic flow and pressure readily available from most professional power packs. After years of development and comprehensive field-testing the CWS-200 will be available for shipping in January 2010.

www.icsbestway.com

New Pewmium*** diamond core drills Tyrolit is launching a new concept in diamond core drills called the Premium*** range. The new drill range, with CDL***, CDM*** and CDH*** models, guarantees better results, universal use and reliability under the harshest conditions, the company claims. The drill concept has proved to be extremely competitive, safe and reliable in all operating conditions. The greatly increased drilling speed and smooth running are particular advantages when drilling steel.

New technological highlights are reflected in the novel drill concept. The system provides interplay of segment structure, shape and length to guarantee effective drilling.

The core drill combined with Tyrolit Hydrostress drill rigs and drill motors forms an integrated system, enabling users to work with high-quality products that

deliver maximum performance on every hole. The drills have undergone extensive testing throughout their development at the Tyrolit Test Centre and with users around the world. All drills in the 47 to 1000 mm diameter range and a standard length of 450 mm are available and different lengths to suit customers’ requirements are available on request.

Tyrolit offers extensive services for its Premium*** products. These include special versions and all standard diameters and lengths. Application support is also provided for special projects, as are individual solutions for large construction sites and unusual challenges.

www.tyrolit.com

Less dust, shorter drill times The new lightweight Tyrolit Premium *** DDL dry-drill bit requires very little pressure and reduces dust and drilling times. It is the ideal tool for the installation of sockets and junction boxes and smaller breakthrough jobs.

A patented manufacturing process means the segments are now only 3 mm instead of 4 mm wide. This has allowed the size of the body and the weight of the drill to be reduced.

The drill bit is much lighter than conventional bits. The thinner segments and thinner body mean less stock has to be removed. Also less pressure is required and considerably less dust is generated.

However, the real advantage is the extremely short

drilling time. Locating the dust openings in the cover of the drill bit is another significant advantage compared with its predecessor. On the earlier model, these openings were situated on the side of the body, which meant the drill bit could tilt over. The fact that the openings are now integrated into the cover ensures that tilting is a thing of the past with the new TYROLIT Premium*** DDL drydrill bit. If required, a suction hood can also be fitted to the cover to allow an industrial suction unit to be attached and every last trace of dust to be removed. The result is no more time-consuming rework and a much healthier working environment for your workforce.

www.tyrolit.com

HTC floor grinder gets design award The new floor grinder HTC 1500 ixT was recognized and awarded the Design Trophies silver medal during the recent trade show Batimat 2009 in France. During the award ceremony on 3 November in Paris the president of HTC France, Thomas Forss, was presented with a statuette and a diploma.

The aim of Design Trophies is to provide recognition for manufacturers launching new products designed in partnership with in-house or external designers. The award is based on three main criteria: •

•

•

To be new with a product on the market for less than 2 years The products presented must be exhibited at the Batimat 2009 trade show The efforts of the entire design team, in-house or outside, will be taken into account

The HTC 1500 ixT is one of HTC’s latest additions of floor grinders and is a popular machine on the market. The HTC 1500 ixT is an ergonomically designed ride-on machine with an integrated dust extraction system. According to the manufacturer it has no competitor.

www.htc-floorsystems.com

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 21

Educating young cutting specialists in Switzerland The Swiss Association of Concrete Drilling and Cutting enterprises (www.svbs.ch) pays a lot of attention to qualifying competent professional construction cutting specialists.

Switzerland is one of few countries where the job of cutting concrete is an official and authorised profession. There are 45 young

people passing through the three year apprenticeship. Some of the men are also older, coming from other professions, such as bricklaying.

They learn and do their job in their diamond service contracting company on the job sites, in the practice training centre of the

Diamond Tools ensured success of sea wall strengthening project In the UK specialist diamond tools were vital for upgrading the sea defence wall at Weston Super Mare. The Plymouth Area Manager of contractor D-Drill, John Barber and his team, drilled over 4,500 holes over seven months to complete the work.

D-Drill had to drill holes through the granite and concrete of the sea wall to insert vertical dowels up to 3.5m deep. Also diamond saw cutting was required to form 1,338m of a rebate 100mm wide x 100mm deep to secure reclaimed granite copings to the top of the wall.

“Due to the poor state of the existing sea wall, continuous diamond coring barrels seemed to be the most effective method of achieving the required depths to enable the installation of new dowels”, says John Barber. “In this case conventional drilling

22

methods could have weakened the wall beyond repair, so the diamond tools used were crucial to the careful completion of the work”.

The work involved diamond core drilling 1,200 holes 78mm diameter and up to 3.5m deep in granite and concrete, as well as diamond core drilling 3,335 holes of 25-50mm diameter and 1m deep. The work required special Diaquip extended length core drills, which were custom made for the job and included Hydrostress HCCB professional diamond core drill rig, Partner hydraulic power pack, Partner Diamond Ring Saw and a Dimas 4 speed hydraulic motor.

All work was completed on time and in budget and D-Drill secured additional works with the main civil engineering contractor, Birse.

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

www.d-drill.co.uk

SVBS, and at the professional school Berufsschulen Zofingen, www.bsz.ch. Zofingen is a small town near Zürich. The apprentices spend one week in every month at BSZ. An important part of the lessons concerns the diamond technique where the apprentices get their theoretical and technical qualification.

The picture above shows the concrete cutting specialists class BT08 (2nd year) with BSZ Director Roger Meier (rightmost), head teacher Fritz Eichenberger (3rd from left), and teacher for diamond technique Godi Benz (leftmost, former Hilti instructor for heavy diamond systems).

High cycle wall saw Cobra assists with refurbishment Concrete Refurbishment of two 13-storey apartment buildings assisted by Swiss DEMCO Technic’s powerful high cycle wall saw Cobra.

In a residential area near Zürich Switzerland, there was a big project for contractor Robert Spleiss to refurbish for client GU-Halter two large apartment buildings. The work included cutting and removing 78 balconies with a 12m average cut length of each 200mm thick balcony.

The concrete drilling and sawing subcontractor Gebrüder Brun AG decided to do the job with two electric wall saws Cobra Short manufactured by DEMCO Technic AG, Switzerland. This wall saw with 11 KW power, has many advantages. The control box could be placed out of the way in small areas and the light rail

system is designed for quick and easy use.

About 200m3 of concrete elements were dismantled and disposed within only 5 weeks. In addition the side walls of all balconies making up about 120m3 of concrete, also had to be dismantled. The client was fully satisfied and happy with the result.

The 5 concrete processing specialists were responsible for securing and supporting the concrete elements,

for people’s safety, as well as for the saw and drill jobs.

This mission could only be accomplished with well developed and high quality equipment of Demco Technic AG and the well trained and professional staff of Gebrüder Brun AG. After the work was done, the client was fully satisfied and happy with the result.

www.demco.ch PDi 23

Issue 5 - 2009 • Dec 09 - Jan 10 •

Tyrolit seeks 2011 European Concrete Cutting Champion The prestigious international championship in concrete drilling and sawing, arranged

by Tyrolit, is now back again. The national competitions will carry on throughout 2010 to lead up to the big final in 2011. You that did not attend last time, now is your chance.

More than 600 attended the first European Championship of the Tyrolit Cutting Pro Competition for concrete drilling and sawing in January 2009 in the Innsbruck exhibition centre. The next competition, organised by Tyrolit, in the three disciplines of wall sawing, core drilling and hand sawing will start in January 2010. The winners and runners-up of every national championship will be invited to participate in the

European Championship final in Austria in January 2011.

First competition 2010 starts in Italy The first Tyrolit Cutting Pro Competition starts in Italy on 5 February 2010 within the Milan Architettura Design Edilizia at the Milan Fairgrounds, Rho. The Italian competition will last about half a day. Up to 26 are expected to participate in every national championship and selection will be by qualifying tournaments. The Tyrolit Cutting Pro Competition presents concrete cutting and drilling as a sports challenge. The ‘athletes’ will score with their knowhow, speed, strength and enthusiasm.

Standard rules and regulations The Tyrolit Cutting Pro Competition uses a standardised set of regulations that allows for fair competition and internationally comparable results. In addition, machines, tools, concrete and all other competition materials are defined and conditioned to guarantee that every athlete can compete on the same terms.

Exercises and products Athletes compete against each other in the three exercises of wall sawing, core drilling and hand sawing. The time is taken for every exercise and the participant with the fastest total time wins. Every exercise is performed by two athletes in parallel, resulting in an exciting competition that is understandable and exciting for spectators.

Wall sawing: The goal of this exercise is to saw a slice off a reinforced concrete block as quickly as possible. The cut has to be performed in at least two passes. An optimum performance will depend on one hand on the ideal cutting

24

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

depth of the first and second pass. On the other hand, the feeling of the athlete for machine, tool and concrete will be decisive.

The wall sawing system consists of the Tyrolit wall saw head WZ and the hydraulic power pack PPH25RR***. This directs the power of 25 kW by radio remote control onto the 825mm diameter Tyrolit diamond wall saw blade WSL***.

Core drilling: In this exercise the athletes have to drill a hole in a reinforced concrete block. With the start signal, the drill rig has to be mounted and motor plus core drill have to be fixed before the drilling can begin. The installation of the drilling system requires skill and experience. A fast drilling time will depend on applying the right pressure on the core drill.

For this exercise, a Tyrolit system consisting of the drill rig HCCB-5 and the drill motor DME32S*** will be used. The core bit CDL*** has a diameter of 102 mm.

Hand sawing: A disc has to be cut off from a concrete tube and speed and know-how of the athlete in dealing with the one-handed angle grinder are essential for this task.

The set-up consists of a petrol-driven, one-handed 5kW angle grinder that powers the 350mm diameter diamond saw blade DCU***. The cutting is done in wet conditions with the water directed into the cut over the concrete tube and not via the machine.

Safety To take part in the Tyrolit Cutting Pro Competition, the athletes must have proficiency and experience in the command of the machines and tools. In addition, the regulations specify the mandatory protective equipment for every exercise. On the stage, the movements of the competitors are limited to safety areas that are clearly marked.

www.cuttingprocompetition.com www.tyrolit.com ! ! " ! "! " ! " "" "" "" ! "

The Dust-Fighter, part of the Gladiator Range from Towerlight is synonymous with innovation, quality and environmentally friendly products for both construction and industrial applications.

The Dust-Fighter is a Particle Dampening System that creates a forceful yet fine mist that attracts dust which is harmful to both operator and machinery, and drives it into the ground. Covers a distance of 20-60m.

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www.towerlight.it www.gladiatorline.it Issue 5 - 2009 â&#x20AC;˘ Dec 09 - Jan 10 â&#x20AC;˘

PDi 25

LASTING CO ‘When the going gets tough,’ the old adage reminds us, ‘the tough get going.’ And in the floor preparation business, ‘tough’ has come to epitomize floor grinding and polishing equipment manufactured by the US company Terrco, Inc., of Watertown, South Dakota. PDi’s US Editor Jim Parsons reports.

This is how it should look like.

26

For nearly 75 years, Terrco floor grinders and polishers have been the epitome of equipment durability. The 11-employee family-owned company has specialized in products for tackling the toughest projects.

The range Heading Terrco’s heavy-duty product line is the direct-drive Model 6200, which is a manoeuvrable 1t machine with an eight-head, 1.38m wide disc sweep. Self-propelled with a 40-hp motor, the 6200 is ideal for tackling floors with an area more than 1,800m 2 .

Smaller are Terrco’s direct drive Model 3100 and its belt-drive counterpart 3100-LP, both of which feature four-head, 660mm wide grinding paths. Both models use easily movable 19kg pocket weights to optimize grinding pressure.

Even Terrco’s smaller grinders and versatile edgers are highly durable, a quality that company president Jim Vinella explains is essential, not only to provide contractors with lasting value, but also to accommodate both the expected and unexpected when on the job. “Rugged, direct drive equipment makes a difference, especially when removing epoxy,” says Vinella, who co-owns Terrco with his brother Peter, the company’s vice president and lead engineering expert. “It also means low maintenance, which is very important to customers.

Nobody wants their machine breaking down repeatedly, or have to tear the gearbox apart every time they hit something.”

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Founded in Twin Cities 1936

It’s hardly surprising that a company whose products have a reputation for ruggedness would derive its name from terrazzo, one of the world’s most durable types of building materials. Grandfather Peter F. Vinella started the business, originally known as Terrazzo Machine and Supply Company, Inc., in the Twin Cities in 1936. An Italian immigrant with a knack for mechanical problem solving, the elder Vinella developed machines that more efficiently handled floor grinding and polishing tasks his friends had long done by hand.

While Terrco’s growth was built upon twin head machines, the company was among the first to offer four head models in the late 1960s. Another major technology jump occurred in the mid-1980s, when Terrco used diamond-tooling technology on their machines. Terrco currently offers diamond tooling for plug stone style holders, universal tool plates, or speed shift plates. The patented speed-shift system facilitates fast tool changes, minimizing equipment downtime.

Relocating to Watertown Terrco itself made a more literal jump in 1986 by relocating to Watertown, where the company currently occupies a 1,900m2 manufacturing facility with space for demonstrations and training. A network of nine agents and distributors help give Terrco a worldwide presence.

This past year, Jim and Peter Vinella marked their 20th anniversary as co-owners of the company. The next generation of Vinella’s is already at work at Terrco, with the addition of Peter’s son, Frank, in 2008. “Frank is a mechanical engineering graduate, so the family tradition of tinkering is still there,” says Jim. So too is another tradition of Terrco grinding equipment, which is productivity matching their solid construction. The Model 6200 has a mastic removal rate of 140m2/ hr, and a thin mill coatings removal rate of 167m2/hr. “That kind of performance ensures that contractors can get in, do the job, and get out quickly because time is money for even routine jobs,” says Vinella.

So imagine how important productivity is for larger, time-sensitive challenges. Take the case of a 6,500m 2 concrete floor at a southern Louisiana shipping facility.

Installed during the summer of 2008, the floor had been lost during installation due to the area’s high temperatures and humidity.

“Some of the variances were as much as 25mm,” says Vinella. “The owner first hired a contractors with 450kg grinders to level it out, but all they did was polish and make it prettier, not flatter.”

The owner then called in the Jim Sander Company,

OMMITMENT a San Diego, California based concrete floor preparation contractor, which suggested tackling the problem with Terrco Model 6200s. “We knew that the weight of the Terrco equipment would allow us to smooth the high waves out without affecting those low areas with the correct elevation,” says company president Jim Sander. “That was particularly appealing to the owner, because it meant they wouldn’t have to repour the concrete floor.”

Taking advantage of the owner’s scheduled Thanksgiving Week downtime, Sander’s level technicians worked 12-hour shifts with a pair of Model 6200s. Passes at 90, 45, and 90 degrees produced 9m2 of concrete dust, and a virtually perfect floor.

After seven days of rough grinding, Sanders’ crew spent a day blending and cleaning the surface, and removing scratch marks with 50 and 100 grit resin polishing pads.

After hardening and densifying the work on Day 9, the floor was ready for the owner.

Sander has also put a Model 6200 to work on grinding and levelling a 3,440m2 slab at a defense support facility in San Diego. He reports that it took just six days for one machine working 8-hour shifts to get the job done, resulting in 3.7m2 of removal. “I don’t know of anyone that makes equipment bigger or more productive than Terrco,” says Sander. “The on-board computer lets you know if you’ve got the proper load weight for the job. It is amazing to think a machine can tell you that it’s OK to work harder if you want to.”

Foundation for the future It’s these kinds of fast-turnaround, cost-critical projects that Vinella believes will define the grinding and polishing industry for some time. Just as project owners want to get the most from their floor investment, Vinella hopes that

contractors will look to Terrco to get the most from their investment in equipment. “Surface preparation contractors need to be ready to take on any type of project, yet be able to do it as cost-effectively as possible,” he says. “Trying a quick fix with something cheaper or light duty won’t pay off in the long run.”

www.terrco.com

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 27

Pentruder CBK High Frequency or Hydraulic - it’s your choice!

• The Pentruder CBK 22 kW / 30HP High Frequency wall saw has enjoyed tremendous success since its introduction in 2009. Now we follow up with an equally impressing hydraulic version of the same machine.

• You can use almost any type of hydraulic power pack and get up to 20 kW / 27 HP on the spindle.

• • • •

Up to Ø 2000 mm / 79” blade capacity.

Quick disconnect coupling for the hydraulic motor.

Comes with all the time saving Pentruder features.

Can easily be upgraded to a High Frequency wall saw.

- Stronger than ever!

Simply no compromises!

There are no secrets behind the high performance of our Pentruder concrete cutting equipment.

Our design team has over 30 years experience of this businesst and is known for coming up with innovative and clever designs. We simply know what works!

We use only the best materials and the best components in all our machines. All bespoke design parts are produced in our own State-of-the-Art production facility in Sweden. We produce and deliver the highest quality, in every detail.

There is a wide range of Pentruder equipment available, both High frequency and Hydraulically driven Wall saws, Wire Saws and Core Drills. Modular System Components are compatible with current and future Pentruder equipment.

Go for a Pentruder you too - A safe investment in a machine which is built to perform at the highest level for many years!

Tractive AB , Gjutargatan 54 , 78170 Borl채nge , Sweden Tel: +46 (0)243 22 11 55 , Fax: +46 (0)243 22 11 80 E-mail: info@tractive.se , www.pentruder.com Please visit our new homepage www.pentruder.com for more information.

Under W river and Haga R.O.T. decided to us their Tyrolit hydraulic circular wire saw for the task. But the tricky job also needed some assistance from Tyrolit as well as diving help from the specialist diving company Yrkesdykarna i Norrköping AB, from Norrköping.

The hole was about 1m below the surface of the water.

But the divers could not touch the bottom and had to cling to the vertical concrete wall in the very cold water. The approximate 1m diameter hole up to 800 mm deep had to be made through a concrete diaphragm wall attached to a small pumping house on the river bank.

The mounting of the Tyrolit circular saw was time consuming as it was done under water with zero visibility in the muddy water. In addition to the circular wire sawing a couple of other holes had to be drilled for the new cooling pipe. The holes were 80 mm and 180 mm in diameter and about 3m deep. Cutting supervisor was Sean Sanders from Haga R.O.T. , which is one of Sweden’s biggest demolition and sawing and drilling contractors with 50 employees.

Diving help from YDAB

An unusual concrete cutting project was carried out at the Fiskeby Paper Mill in the city of Norrköping in Sweden. A new cooling pipe to the power plant had to be installed and the contractor Haga R.O.T. used divers and a circular wire saw and support from Tyrolit.

Concrete cutting contractors often face difficult tasks.

The circumstances are difficult, weather is sometimes severe and sometimes jobs need to be done under water. A good example of difficult sawing and drilling is at the Fiskeby Power Mill in Sweden when a 1m diameter hole for a new cooling pipe had to be cut underwater.

More then a metre under the water level It was one of those terrible cold and humid autumn days in Sweden with pouring rain. The concrete cutting contractor Haga R.O.T, based in Norrköping, had to cut a hole for a new cooling pipe to the plant’s heating station. The cooling water for the paper mill is taken from an adjacent

The divers Charlie Andersson and Karl Samuelsson from YDAB were indispensable. Charlie was mostly under water while Karl took care of the communication and the air supply. The water depth varied between 2.5 to 4 m and for this type of diving job a B-certificate in diving was required. The whole sawing and drilling job was estimated at three days, including one day for mounting the equipment and drilling the holes for casting, one day for the circular sawing under water and another day for taking out the concrete core and cleaning up the site.

Equipment from Tyrolit The Tyrolit SL Hydrostress circular saw used on the project was complemented with a Hydrostress One side of the Tyrolit circular saw going CR-5 RC power pack. Tyrolit also supplied the DSG3 diamond wire. down in the water.

The mounting started with drilling 100 mm pilot holes for the saw’s swing arm and the part of the saw that catches the wire on the other side of the concrete structure.

To procedure to mount all parts of the circular saw on both sides of the concrete foundation and connect the diamond wire was time consuming due to the location and zero visibility. As the project schedule was tight Haga R.O.T. also used Tyrolit’s specialist Sonny Pettersson and salesman Fredrik Wikman to assist with mounting the saw.

The final part was to attach and stretch the diamond wire.

The actual circular sawing only took two hours without any interruptions. The main contractor Skanska and the Fiskeby Paper mill were very satisfied with the job.

Haga R.O.T. Haga R.O.T.was founded by John Torsell in 1993. The demolition services dominate the company, but concrete

30

From right to left: Haga R.O.T.’s Sean Sanders and Jossi Gumér, Fiskebybruk Paper mill Lennart Strandberg and Mikael Aldrev from Skanska Sweden.

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Water Cutting The diver Charlie ready for some action.

When everything was mounted the actual sawing took only two hours.

The picture shows the concrete wall to be sawed, the drill holes for casting and the two The core removed. sides with water. cutting services are growing. The company has a turn over of around EUR10M with a staff of around 50 employees.

The contractor works all over Sweden but most of the jobs are performed in the province of Östergötland and around Stockholm.

Haga R.O.T. is a member of the Swedish demolition association and certified according to the certification system Bf9K since 2007.

Part of the saw being handed over by Jussi Gumér.

www.hagarot.se www.tyrolit.se

The water somewhat cleaner.

Problem solving with Sonny Pettersson (left) from Tyrolit AB and Jossi Gumér before lowering the saw into the water.

Karl from YDAB took care of the communication and the air supply.

The concrete core was lifted out by a Merlo telehandler. Below the entrance to Fiskeby paper mill.

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 31

EDT Eurodima on top The Wendelstein is a mountain at 1838m above seas level in the eastern part of the Bavarian Alps. It is the site of the meteorological observatory of the Deutscher Wetterdienst, the German Weather ser vice and the observatory of the institute for astronomy and astrophysics.

The observatory’s 800mm telescope is being replaced by a new 2 m telescope and to set up this new telescope, the old base plates from the previous one had to be removed and a new substructure built.

The observatory was only accessible by helicopter, which took up the required machines, including two EDT Eurodima core drill systems, one wall saw WM50 with hydraulic unit HA150, one electro-pneumatic wi re s a w WB12S, a demolition robot and tools.

The lift station was cut by one floor and some further ceiling openings and door cut outs were made by a EDT Eurodima hydraulic wall saw WM50 and the hydraulic unit HA150. The telescope’s reinforced concrete pylon base was cut into 10 pieces by an EDT Eurodima wire saw and each part weighing about 1425 kg. The robot was also used and all demolished concrete removed by the helicopter.

The execution of the drilling and sawing tasks at the high altitude was dependant on good weather.

Structural alteration works had to be done within a very tight time frame and completed before the end of September.

www.eurodima.com

E-Z Drill assists with M25 widening

The purpose built E-Z Drill 210B-42DD is drilling hundreds of horizontal holes of varying diameters and depths into the exposed sloping edges of the existing bridge deck and pier heads.

The specialist American drill rig manufacturer E-Z Drill Inc, together with its sole European concessionaire Castellan Group, based in Milton Keynes, UK, has designed, built and delivered to site in just two weeks a special tailor made drill for use on a major M25 motorway widening project. The special drill has been brought in specifically to drill holes into the two sides of the existing Berry Lane Viaduct, just south of junction 18 at Rickmansworth, Hertfordshire, to accept tie bars to link into new reinforced concrete pier heads and an extended cast insitu reinforced concrete bridge deck.

Part of £6.2 billion project The seven span, 260m long Berry Lane Viaduct is a key structure on the M25 widening. It is part of a £6.2 billion project that will be designed, built, financed, operated and maintained for the Highways Agency under a 30-year concession by Connect Plus, a consortium of Skanska, Balfour Beatty, Atkins and Egis Projects SA. All work is scheduled for completion ahead of the 2012 London Olympic Games.

Specialist drilling and sawing contractor A J Willcock (Holeformers) based in Hungerford, Berkshire, is working as sub-contractor for Skanska/Balfour Beatty on the Berry Lane Viaduct. The company is using its purpose built E-Z Drill 210B-42DD to drill hundreds of horizontal holes of varying diameters and depths into the exposed sloping edges of the existing bridge deck and pier heads. A J Willcock, using a combination of 1.2m and 2.4m long extension drill rods with the E-Z Drill 210B-42DD, is drilling 32mm, 40mm and 57mm diameter holes to depths of 750mm, 1.5m and 2.85m into the existing reinforced concrete to accept new steel tie bars, which are glued in position with epoxy grout.

moved from one hole to the next.

“I sat down with Castellan and told them what we needed and within two weeks the drill had been built and shipped from E-Z Drill in the US and was on site drilling holes,” says A J Willcock proprietor Andrew Willcock. “It’s the only one of its type in the UK and is doing a great job and there is no risk of any hand arm vibration being transferred to the operator, who can use it all day long. I’m convinced it’s the only machine that would enable us to work in the confined areas on the viaduct and comply with the very tight programme.

Backup has also been very good as every time I’ve needed some technical advice we’ve had excellent service from Castellan and E-Z Drill.”

When A J Willcock completes the drilling Skanska/Balfour Beatty follows on fixing and gluing the tie bars into the existing pier heads and bridge deck on the clockwise carriageway. When completed in November 2009 A J Willcock moved across to the viaduct’s anticlockwise carriageway for the entire identical process to be repeated and completed by the summer of 2010.

In addition to working on the Berry Lane Viaduct A J Willcock bought two other standard E-Z Drill rigs for use on widening another section of the M25 for Skanska/Balfour Beatty. The company is using the E-Z Drill rigs drilling over 80,000 holes 250mm and 300mm deep horizontally into the exposed vertical edges of the M25 pavement slab. The holes will accept 20mm diameter tie bars glued in position with epoxy grout for keying on the new sections of concrete widening to the motorway’s existing carriageways. “We bought three new E-Z Drill rigs specifically for this major M25 widening project,” says Andrew Willcock.

“We now have seven E-Z Drill rigs and the largest fleet in the south of England.”

Compact and wheeled drill The compact, wheel mounted E-Z Drill 210B-42DD pneumatic drill uses a compressed air powered Consolidated Pneumatic CP32 rock drill mounted in an extended frame increasing the rig stroke to 1050mm from the standard drill’s 450mm. An air motor, with an automatic brake, controls the chain drive drill feed system and the whole rig is powered by a 5.6m3/ min, 690kN/m2 compressor. The rig is supported in a four legged frame mounted on wheels. It can be adjusted to accommodate the different heights of the holes from the working platform and quickly and easily

32

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

A combination of 1.2m and 2.4m long extension drill rods with the E-Z Drill 210B-42DD are used to drill 32mm, 40mm and 57mm diameter holes to depths of 750mm, 1.5m and 2.85m.

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New steel-cutting wire from Widecut Korean diamond tool

manufacturer Widecut has taken a bold and far-sighted decision to add another product to its already impressive range. The new wire, marketed as HT-2, is designed to cut steel and heavily reinforced concrete. PDi’s Ahn Sung reports.

for construction and stone extraction industries. 2009 turned out to be just as gruelling for the Koreans as for any other in the industry, but at the height of the global slowdown Widecut took a bold and far-sighted decision to add another product to its already impressive range.

The new wire, marketed as HT-2, is designed to cut straight steel and extremely heavy reinforced concrete. Steel cutting with diamond wires is a relatively new business, which nonetheless harbours strong potential.

So far, this segment has been all but monopolized by a few major European companies.

Widecut entered into the scramble by introducing a product to rob the Europeans of their previously unchallenged dominance. “When developing HT2, we aimed to not just enhance our position on the global New wire from Widecut Korea-based Widecut undoubtedly, belongs The crucial element of HT2, market, but rather we were chasing a dream of creating a wire capable of solvin the latter proactive category. Widecut is a electroplated bead. ing the most demanding and imaginaspecialist manufacturer that focuses exclusively tive demolition tasks,” says Widecut president John Han. on making premium quality diamond wires and beads “The diamond wire technology was first invented to extract stone at quarries, then it was upgraded to cut construction materials. Likewise, our wires, which are built to cut regular building elements, may soon be able to take down a structure of Godzilla proportions. I look forward to one day seeing something like an entire metal bridge being cut in one sitting with a Widecut wire.”

As the world economy fell on hard times, many companies went on the defensive, slashing all investments and shunning any expansion ideas, just to preserve their hard-won market positions. This cautious approach may now seem what doctor Greenspan ordered, but whether they find themselves at the forefront of the industry when the recession is over, remains questionable. According to a raft of reputable business analysts and consultants, the companies that have chosen to increase their research and development and marketing budget during the crisis, rather than cut down on it, have a far better chance to spearhead the recovery and secure a better slot in the market than those who have opted to skimp and save.

Many structures made of steel Steel is second only to concrete for use in construction. There are many structures made solely of steel, such as bridges, hangars, water tanks and furnaces. Customized diamond wire can become a tool of choice when dismantling or altering steel structures. Steel cutting is often required during decommissioning or rehabilitation of nuclear or hydropower plants and offshore oil installations. The hull of a salvaged ship, out-of-service submarine or aircraft can be sliced up like a slab of cheese this technique. There is ample opportunity to make use of steel-sawing

WIDECUT’s dream team (left to right): Cho Kyoungkeun (Product Assistant Manager), Shin Dongwon (Product Manager) both holding up coils of HT2 at the plant and John Han (President).

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PDi • Issue 5 - 2009 • Dec 09 - Jan 10

wires, and many suppliers see this business as very lucrative.

In Widecut’s estimation, global demand for this particular tool currently reaches 6,000 to 8,000m/month.

Specific manufacturing challenges The manufacturing process for steel cutting wires has its specific challenges, which many producers of diamond tools still tend to shrink from. The key to efficient steel cutting is a bead with very high concentration of diamonds in its working layer. At the moment three basic approaches towards bead making exist. These are sintering and brazing, which are high temperature processes, and electroplating.

Sintered beads are believed unable to cut steel structures of any substantial size due to insufficient concentration of diamond particles. Conversely, brazed and electroplated beads, both having higher diamond content, have proved more suitable to large steel cutting jobs. However, in Widecut’s experience, the electroplated wires show superior performance to the brazed ones. An electroplated bead consists of a steel core with a single high-density diamond layer deposited on it. The layer surface should be as even as possible, its cohesion with the steel substrata very strong.

If these vital criteria are not met, diamonds will chip out under extreme friction soon after the wire is put to work.

So far, only a handful of companies in the world have successfully harnessed the electroplating technology for diamond tool production. With HT2, Widecut slipped seamlessly into their privileged ranks.

Widecut’s HT2, which is complete with 2° conical electroplated beads, is available in two of 40 and 48 beads/m. The 40-bead specification allows for fast cutting, while the 48 one is designed for extended life. When the manufacturer pilot tested HT2 against a number of com-

Photo of the wire.

petitive brands, it outperformed them all in cutting speed and durability. “Before HT2 came along, a notion persisted in the market that only tools of European origin were good enough for difficult tasks like steel cutting,” says John Han. “We managed to dispel this preconception by offering a product, whose quality even the staunchest advocate of European standards could appreciate.” Widecut’s production capacity for HT2 is 800m/month at the moment, but the manufacturer looks to increase it up to 1,500m by early 2010 to meet the growing demand.

www.widecut21.co.kr

To the right John Han inspecting a fresh batch of wire.

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 35

Diaquip takes a lead in the UK More than 12 years ago the UK concrete cutting equipment manufacturer Diaquip made their entrance into the concrete cutting industry. They are now established as one of the leading manufacturers and suppliers of concrete cutting equipment in the UK and are also growing on the international stage. PDi takes a look at Diaquip.

Testing floor saw blades in the flint concrete section of Diaquip’s R&D area.

A lot of Diaquip’s success is down to the company’s focus and dedication to the concrete cutting market. There are very few companies committed purely to the manufacture and supply of concrete cutting products, and 12 years ago, the partners of this family business saw a gap in the market. Now, this development and un-distracted focus on all things concrete cutting has paid off.

Manufacturing

Diaquip have found a unique competitive edge, by manufacturing in house. This gives the company greater flexibility than most, and allows it to be more competitive as they are avoiding the costs of manufacturing abroad. Importantly, it also means Diaquip can offer an unrivalled service. The technical nature of concrete cutting often demands a bespoke product and when needed, Diaquip can supply it.

Product Development When it comes to developing products, Diaquip are at the forefront. They seem to take a practical, on-site approach to developing products, testing where it matters the most out on sites.

There is a constant stream of new and developed products coming as Diaquip try to take concrete cutting technology further. New products are tested in a comprehensive research and development area, set up alongside the plant in the UK. This contains every concrete cutting eventuality likely to be found on sites with all types of aggregates, including a large slab of 50N flint concrete, full of steel rebar. Many hours have been spent here, developing the Aero® range that is now so well known.

Aero® Range The introduction of Diaquip’s Aero® range has taken concrete cutting to a new level.

The totally unique core drill segments were first to arrive, with the ‘golf ball’ effect and Aero® FW, W shaped segment. Research and development staff soon found that the increased water coverage and reduced fric- tion was allowing the segment to cut significantly faster than any other segment in most situations. The Aero® Wave hand saw and ring saw blades soon followed, quickly proving their performance. One of the biggest steps forward was the Aero® Matrix technology, with diamonds positioned in the floor saw and wall saw blades in a honeycomb effect, ensuring more diamond constantly on the surface of the segment making for a smoother cut. These products are unique, and it is constant research and development that has meant Diaquip are well ahead in concrete cutting technology.

Respected in the Industry Over the years, Diaquip has be-

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PDi • Issue 5 - 2009 • Dec 09 - Jan 10

come respected in the industry, picking up agencies for leading concrete cutting machinery manufacturers. These include Weka, Shibuya, Adamas, Lissmac and Hycon, some of the best known and quality worldwide manufacturers. These manufacturers recognise Diaquip’s standing and ability to offer a quality service for their machinery.

Simple, Honest, On-Time, Quality Service Maybe the main point that makes Diaquip unique is the customer service they offer. On time delivery is par for the course, and even bespoke products are almost always manufactured and despatched on the day of the order. In a time where service standards are known to be dropping, Diaquip are refusing to compromise on their values.

Global Markets Diaquip are successfully moving into international markets, with the Aero® range. With a wide range of specifications, and flexibility in manufacturing, they can offer a sterling service to distributors in countries all around the world. Now experienced in exporting, Diaquip can offer very quick delivery times to Europe and worldwide. Diaquip is currently looking for distributors in some countries currently not covered.

Overview There is no doubt that Diaquip is leading the market in the UK and abroad in concrete cutting equipment. From our observations it will stay that way for a very long time. There are few companies willing to put all their focus on concrete cutting products, but this one has, and is leading the market and showing no signs of letting up.

Picture to the left showing the Diaquip R&D area, split into differing aggregate areas (limestone block at the front, Flint floor area behind, river gravel pipes and stair case plus other aggregate blocks further back).

Below the Diaquip Plant in Manchester.

New single head grinder from SPE In PDi issue 4-2009 we published the annual feature on concrete floor grinding and polishing equipment. Space constraints prevented the inclusion SPE updates as well as information about the new single head grinder from SPE, which is now featured in this issue.

SPE International also known as SPE Group was founded

by Tony Mansfield in 1983 and is owned by the Mansfield family. The group employs 150 workers and has its production plant in Lincoln UK. The company has four UK based group companies, eight overseas companies trading as SPE franchises and a network of distributors selling SPE products but trading under their own names. The main markets are UK, USA, Middle East and Asia.

The product range SPE Group states that they are one of the largest independent manufacturers and suppliers of surface preparation equipment in the world. They have one of the largest ranges of products available form one source. The complete range includes Autoblast enclosed shotblasting equipment, floor grinders, floor scarifiers, stripping machines, hand tools, ride on multi purpose equipment, dust control vacuums, diamond products, HCA equipment, open blasting, mixing equipment, airless spray and wet concrete equipment.

New developments The latest developments are the MP6000 Ride On multipurpose machine. It consists of a diesel powered platform with shotblasting, scarifying, grinding and stripping attachments. Launched in December 2009 is the DFG200 single head single phase diamond floor grinder.

SPE clients are first of all found in the construction industry, flooring contractor, demolition contractors, rental

industry segments. Tony Mansfield’s opinion about the market share for polished concrete as a final floor product is that it has grown and is now a realistic option.

“It is still not that popular in the UK though due to cost, the complexity of operation, possible problems with quality of concrete and other resin based alternatives. But the concept has proven successful in the USA probably due to the size of the flooring market place,” says Mansfield.

Mansfield continues to say that resin is still most popular for industrial applications and traditional tiles, vinyl etc for commercial applications but polished concrete is gaining ground fast.

“Polished concrete floors have potential, but I think the cost still is too high compared to preparation followed by applied materials. The consistency of finish will vary greatly if the concrete has not been mixed and laid with a view to being polished at a later stage.

“But polished concrete seems to be specified more often by architects in the design stage. However, from our experience when it gets to the production stage the concept becomes less popular. We have been involved in surface preparation for over 25 years and seen a steady increase in this side of the business. Polished concrete is a relatively new concept and has grown by being specified at the design stage”, Mansfield adds.

Car park preparation with SPE equipment

The SPE DFG 700 floor grinder accompanied by the SPE 316-3 dust extractor.

The new DFG 200.

New SPE Floor Grinder SPE is pleased to announce the launch of the DFG 200 .The new machine is a compact single head unit developed as an introductory model to the SPE DFG Floor Grinder range. Simple to operate and available in single phase electric the DFG 200 meets the requirements of rental companies and flooring contractors. The operators handle height is fully adjustable and the machine fits easily into the boot of a car for transportation. The machine can be fitted with a wide selection of diamond, polymer and PCD attachments providing a versatile solution for smaller surface preparation projects.

based and tiled terrazzo, Remedial work to rain and frost damaged slabs

www.spe-int.com www.surfacepreparationgroup.com

Special features: Robust construction, 50mm dust extraction port, Dust free when used with suitable SPE dust control vacuum, Large diameter wheels for excellent mobility and stability, Removable weight to vary grinding pressure, Simple adjustment to level to the floor surface, Adjustable dust skirt Applications: Accurate grinding of concrete surfaces, Removal of old floor coatings and contaminates, Latex and adhesive removal, Grinding and polishing of resin

The new MP6000 scarifyer from SPE.

DITEQ AND SHIBUYA - the Professional's Choice

866-688-1032 DIAMOND TOOLS & EQUIPMENT

CONCRETE DESTROYER and FOAMING CONCRETE DESTROYER easily cleans dried concrete off tools and equipment without the need of chisels and jackhammers!

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Non-Acid Alternative Available in 32-oz spray, 1 gal, 5 gal and 55 gal drums

Discover the DITEQ www.DITEQ.com

ARIX™ Diamond Arrangement Technology

Visit DITEQ's Booth at WOC Booths S11043/O30315

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 37

Business on the road to recover but the number of exhibitors down at WOC 2010

List of exhibitors at World of Concrete 2010 related to the sectors concrete sawing and drilling, concrete floor preparation, demolition, recycling, extraction of dust and slurry, etc.

Advanced Concrete Technologies Inc N437

Allied-Gator, Inc. S12239 American Decorative Concrete Supply Co. O40949 American Recycling Center, Inc. C6815 American Shotcrete Association S10749 Applied Diamond Tools S13622 Applied Technologies S11454 Aqua Blast Corp S12611 Aquajet Systems AB C6713 Astec Inc. N359 Atlas Construction Supply Inc C4437 Aztec Products Inc. S11611 Barracuda Grinders O30617 Bauma & Bauma China C4120 Beijing Jingtai Diamond Tools Co., Ltd S13111 Blastrac S10027 Bobcat Company C5589 Bosch Power Tools & Accessories O31663 Brokk Inc O31830 Cardinal Saws & Blades S10555 Carhartt Workwear At Rugged Outfitters C6586 Case Construction Equipment C5869 Caterpillar Inc C6069 Chase Diamond Products S13010 Chicago Pneumatic C5931 Comet, Inc. C6097 Con-Tech Manufacturing Inc. N2115 Con-Tech Systems Ltd S12117 Concrete Products / Rental Equipment Reg. N1748 Concrete Sawing & Drilling Association S11131, CG3906

At World of Concrete 2010 in February there will hopefully be another spirit on the exhibition floor then at the event in 2009.

The numbers of exhibitors are down in 2010 but that they were up in 2009 was probably that it was too late to cancel. The recession came as a thief in the night so to speak.

World of Concrete 2010 returns to the Las Vegas Convention Center, February 2-5; Seminars 1-5, and will continue to build upon a reputation as the only annual international commercial construction show for the concrete and masonry industries.

“While exhibitors drop in number visitors might increase” World of Concrete 2010 will showcase, according the list of exhibitors, at press stop, some 1300 indoor/outdoor exhibitors. In 2009 the number of exhibitors that had

38

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Concrete Solutions Inc

reserved space were approximately 1800. But some of them did not show up at the show. The 2010 edition of the show might look at a loss of some 500 exhibitors depending on the booking situation during January. But no blame on World of Concrete as a show it is purely the economical situation that has created this reaction among the exhibitors. World of Concrete is a very well organised show and attracts ten’s of thousands of visits from the whole world every year. World of Concrete is the show when it comes to equipment for concrete sawing and drilling, demolition, concrete floor preparation, demolition and recycling worldwide.

The organiser is his year looking at around one million gross square feet of exhibit space with more than 100 educational sessions, product demonstrations, spectator competitions and forums providing relevant solutions, products and technologies to WOC attendees.

Were everything happens WOC is recognized by Tradeshow Week as one of the fastest 50 tradeshows in both 2007 and 2008, this 36th edition of WOC will feature special product and action areas including The Producer Center, a dedicated marketplace of materials, equipment, demonstrations, and seminars for concrete producers; Material Handling, offering trucks, excavators and more for material delivery, distribution, concrete placement, and earth moving; Concrete Repair

S11639, O40837

Concut Diamond Products O30219 Coneqtec / Universal / BIC / Terramite C5489 CONJET S10455 CS Unitec Inc S12227 DeWalt O30901 Diamond Blade Depot

S11406, S10752, S12851

Diamond Blade Wareh./Diamond Chain Intl S11939 Diamond Chain International O30100 Diamond Concrete Tools S12453 Diamond Pauber - Cutting Experience S13547 Diamond Products

C4889, O30111

Diamond Speed Products, Inc. S11654 Diamond Technology S11850 Diamond Vantage Inc. S10714 DITEQ Corporation

S11043, O30315

Dixie Diamond Mfg Inc S11523 Doosan Infracore form. Ingersoll Rand O30605 Dramatic Surface Products S12011 Dust Collection Products S13014 Dustcontrol USA S13204 Dustless Technologies S12601 E-Z Drill Inc S11339 EDCO - Equipment Dev. Co., Inc, S10139, O30741, O30747 EFCO Corp. C5213

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and Demolition, featuring surface preparation products & equipment, scarifying, grinding, sawing equipment, and other demolition products; World of Masonry, showcasing a full range of products, tools, information, and technology for masonry professionals; and Technology for Construction, featuring the latest products and technologies for the commercial construction industry from top information technology and systems providers.

World of Concrete is proud to have been selected to participate in the 2010 International Buyer Program.

World of Concrete Management and the U.S. Commercial Service will work closely in the global promotion of the show to bring International buyers and exhibitors together to expand business both domestically and overseas. As part of the program, delegations from all over the globe will attend World of Concrete to network with other international visitors as well as connect with US exhibitors interested in exporting goods and services.

“With the economy on the road to recovery, WOC 2010 will be a very important event. Companies realize they need to continue to promote their brands out in the global marketplace in order to take advantage of this recovering economic climate,” said Tom Cindric, Show Director.

“WOC is a highly respected show within the industry, and will have all the top industry leaders providing products, technologies and knowledge for our attendees.”

With a strong interest in the green construction market, concrete is more relevant and important than ever to the commercial and residential construction markets. Returning in 2010 will be the GREENSITE exhibits area showcasing green build technologies and products along with interactive displays, and video by experts in green build technologies. The New Product Showcase, highlighting the number 1 reason attendees come to World of Concrete - to see the newest industry products and technologies will also be returning to WOC 2010 after a very successful debut last year. Both of these popular areas will be side-by-side for the first time in the Central Hall.

The World of Concrete Education Program is lauded as a world-class feature at the show with targeted 90-minute and 3-hour sessions including 13 targeted tracks such as Leadership & Management, Technology for Construction, Green Building, Safety & Risk Management, Finance & Money Matters and more.

MCAA (Masonry Contractors Association of America) will once again hold its annual convention concurrently with WOC. MCAA will also have several educational sessions along with two exciting events - the

International Masonry Skills Challenge and the Fastest Trowel on the Block Competition.

MCAA also will have the popular Masonry Action Station providing a “how to” approach to educating attendees on various techniques specific to the Masonry industry on the show floor in the South Hall.

The 5th annual Women in Concrete Forum, presented as a breakfast this year, hosted by Concrete Construction and The Concrete Producer Magazines, will bring together hundreds of women working in the concrete construction industry to network, learn and identify issues important to them.

CIM (Concrete Industry Management) will hold the 5th annual unreserved silent and live auctions at WOC 2010 with all proceeds benefiting the National Steering Committee for CIM to support their efforts to establish, support, and sustain CIM programs at the following: Arizona State University, California State University - Chico, Middle Tennessee State University, New Jersey Institute of Technology, and Texas State University San Marcos.

The auction, produced by Ritchie Bros. Auctioneers, raised $300,000 at WOC 2009 and is looking forward to another successful event at WOC 2010.

With such a wide variety of events, demonstrations, educational sessions, networking opportunities and much more, World of Concrete 2010 will continue to create an important and vital marketplace for both attendees and exhibitors during challenging economic conditions. World of Concrete 2010 will be February 2-5; Seminars 1-5, back again in Las Vegas, at the Las Vegas Convention Center. Visit the newly redesigned and dynamic World of Concrete website, full of brand new user-friendly features, downloadable high resolution 2009 show images, and technology to help buyers and sellers connect before, during and after the show at the World of Concrete website.

www.worldofconcrete.com

Ellis Mfg Co Inc N2015 Fascut Industries Inc N3029 FLEX North America Inc. S11055 Fuzhou Skystone Diamond Tool Co., Ltd. C4985 Gang Yan Diamond Products S11917 GDM / Terra Diamond S11013 General Equipment Co S11207 Genesis Attachments C4231 Gensco Equipment N2929 Hilti Inc

O31070, O30871

HTC

S11139, O30923

Huachang Diamond Tools Manufac. Co. Ltd. S12912 Husqvarna Construction Products

C4313, O31500,

O31500a, O31500b, O31500c

ICS Blount Inc O30310 INNOTECH Decorative Concrete Products C4349 Innovatech Products & Equipment S12739 Jet Inc C6416 Jetstream of Houston S10955 Jinsan Diamond, Korea S13506 Klindex/Levetec O30639 M K Diamond Products, Inc. S12908 MFG Construction Products N1349 Multiquip Inc C4813 Multiquip Inc O30421 National Surface Preparation Equipment S11739 Nilfisk CFM S13404 Nilfisk-Advance, Inc C6012 Ningbo Xingfu Tools USA, Inc. S13826 NLB Corp

S12005, O31443

Novatek Corporation S10821 ONFLOOR O31256 OSHA Training Institute at Univ. of Fl. C6516 Paladin Construction Group C4329 Pearl Abrasives Company S12439 Pentruder Inc. O30201 PR Diamond Products, Inc. C6521 PROSOCO Inc

S12931, O40845, O40853

Protech Diamond USA, Inc. C6491 Pullman Ermator LLC S10707 Putzmeister America, Inc. C5736 REBEL CRUSHER O31827 SASE Company Inc. S10306 SMITH Manufacturing S10152 Sobratema / M&T Expo C4121 SPE - USA S10507 Stanley Hydraulic Tools C6831 Stihl Inc C4643 Stone Construction Equipment C4213, O31465 Superabrasive, Inc. S11227, O30723 Superior Concrete Products N421 Surface 519 O40743 Systech Inc N237 Terrco, Inc. O31541 Toku Pneumatic Co., LTD S12255 TopSaw.com S13446 Tower Light S.r.l. O31548 Tru-Cut Inc. N2549 Universal Mfg Corp S12639 Universal Polishing Systems O41140 US Saws S12055 UVolve(rm) Instant Floor Coatings

S13550, CG3904

Wacker Neuson Corporation O30239 Volvo Construction Equipment NA Inc C6469 World Diamond Source Inc

40

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

C6020, S13927

Husqvarna ready for Bauma 2010 Husqvarna will attend Bauma in April and display two brand new demolition robots, the DXR 250 and the DXR 140. With these the company has launched a totally new range of remotely controlled demolition machines within the space of two years. “We launched our first demolition robot, the DXR 310 in 2009. In the beginning of 2010 we are releasing a new model, the DXR 250, which is a compact robot with a fixed arm.

At Bauma we are going to present another new robot, the DXR140, which will be the smallest robot in the range,” says Husqvarna Construction Products head of marketing communications Ingrid Nyström.

More news On two indoor and outdoor stands visitors will be able to test Husqvarna’s extensive range of drilling machines and stands. Here the DM 340 and the DS 450 stand are the latest additions The new powerful WS 482 HF electric wall saw has a blade capacity of up to 1600 mm and the best power-to-weight ratio on the market.

In the power cutter range, new models of the 700, 900 and 1200 series will be presented, the new petrol driven K 760 power cutter, which is a development on the K 750. Like its forerunner, the K 760 is equipped with Husqvarna’s X-Torq® technology, which makes the cutter stronger while reducing emissions. “The K 760 is a good choice for all users who want both

a powerful, reliable machine and want to consider the environment.

The X-Torq engine lends up to 75% on reduced emissions and up to 20% on reduced fuel consumption compared to a conventional two stroke engine,” says Ingrid Nyström.

All new power cutter models are equipped with the latest generation of Active Air Filtration™, which increases filter working life by up to one year of operational time on dry cutting.

Diagrip is Husqvarna’s unique technology for more effective diamond tools. Diagrip wall saw and floor saw blades have become very popular due to the superior cutting capacity in combination with increased working life. The complete range of Diagrip tools will be presented at Bauma. This encompasses wall and floor saws blades, drill bits and blades for handheld power cutters. Within the field of surface preparation Husqvarna will present their five grinders with diamond tool accessories.

www.husqvarnacp.com

To the right the new high cycle wallsaw WS 482 HF and below the new power cutter K 760, which will be presented at Bauma. K 760 offers up to 75% on reduced emissions and up to 20% on reduced fuel consumption compared to a conventional two-stroke engine.

Husqvarna’s new demolition robot, DXR 250, will be one of the main attractions at Bauma.

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 43

Brokk takes a break in Singapore

Brokk 400, a 5t radio controlled, electric machine with 1000 joule impact energy in every hit.

Singapore is building a large hotel and casino on reclaimed land and the soft ground conditions create major challenges for the foundations. Thick diaphragm walls had to be built and part of them had to be demolished after placing the foundations. This was a tough job to test the first Brokk 400 in Asia.

Deep diaphragm walls had to be installed before the area could be excavated. It was decided to build small cofferdams with diaphragm walls for each of the hotels as they could be excavated without struts. After the underground complex had

The mini excavator’s low energy breaker with an arm system optimized for digging resulted in a very low performance. Brokk 400 breaking roughly 4m3/h.

been excavated, the temporary diaphragm walls separating the hotel basements had to be demolished. Technocrete Pte. Ltd., one of the leading specialist demolition contractors in Singapore,

Technocrete proposed a combination of wire cutting and breaking methods to demolish the diaphragm wall. Wire cutting was used whenever both sides of the diaphragm wall could be accessed and there was room to lift out the cut blocks by crane. All other remaining parts were demolished using hydraulic breakers.

Technocrete had two Brokk 330s. However, the two machines were not enough to meet the schedule and company brought in several 5t Airman AX45 mini excavators to speed up demolition. But, after problems with the mini excavators, Technocrete decided to purchase two Brokk B400, Brokk’s biggest demolition machine.

The 5t Brokk 400 is electrically powered, radio controlled, and equipped with a three part arm system and equipped with a 520 kg breaker with impact energy of 1048 joule. During initial deployment, Brokk carried out a performance test on a section of wall 6m wide, 4m high and 1.5m. The test took about 9 hours to break out 36m3 of concrete at an average rate of 4m3/h.

Technocrete took about three days to complete demolition of this type of wall, including cutting the reinforcement and removing all the debris. This was estimated to be around five times the performance of the mini excavator of similar weight.

www.brokk.com

Two diaphragm walls with steel struts in between for stabilization. was awarded the contract for all demolition work. The diaphragm wall demolition could only be done after all basement floor slabs were in place. The headroom between floors was only 3m and the diaphragm wall was 1.5m thick.

WELCOME TO OUR KIND OF PLAYGROUND

OUR KIND OF PLAYGROUND is often a very dangerous environment and there are no good arguments for exposing you or your staff to falling debris or dangerous vibrations.

Our demolition machines are radio controlled and electrically driven so that you are not exposed to dangerous fumes.

Another thing which makes the machines even better is that you can demolish up to 5 times quicker than traditional sawing and cutting methods. Time is, as we all know money!

Visit www.brokk.com or contact your local dealer for more information!

Brokk AB | PO Box 730 | SE-931 27 Skellefteå | SWEDEN | Tel +46 910 711 800 | Fax +46 910 711 811 | www.brokk.com | info@brokk.com

44

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

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www.eurodima.com

Bringing innovation back...

PASSION. INNOVATION. EXCELLENCE.

www.traxxcp.com.au

Already located in Melbourne, Sydney, Brisbane, Hobart, Auckland, Perth, Adelaide, Bangkok, Singapore and growing.

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Mark your calendar with 9-10 September, 2010 Infra City Stockholm, Sweden Stay updated at www.demcon.se

Record numbe Bauma is always an outstanding show.

When other shows

In 2010, Bauma, the International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines, Construction Vehicles and Construction Equipment, is set to attract the highest number of exhibitors since launch. According to the latest plans, there will be space to accommodate more than 3,000 exhibitors.

Extends space with temporary halls

have decreased in their numbers of exhibitors, space and visitors Bauma has increased. Next Bauma in April more than 3000 exhibitors will attend, which is the biggest number ever.

The higher capacity is due to extra space in temporary halls on the open-air site, from new and existing joint stands and some regular exhibitors altering their space requirements.

Nevertheless it will not be possible to meet in full all the requests for space. “We are particularly pleased about the level of interest from Chinese, Turkish and in particular the Indian exhibitors, India being the partner country of Bauma in 2010,” says Exhibition Director Georg Moller. “In some cases we have received double the number of requests for exhibition space from these countries than in 2007.” Exhibitors from Europe, for example, Italy, Great Britain and the Netherlands, will again be taking the top slots in the international exhibitor ranking.

All this is a strong indicator that the industry worldwide is looking forward with confidence to the leading world trade fair, Bauma 2010, which takes place from 19 to 25 April 2010 in Munich.

Prospects for the building and construction industry worldwide in 2010 Thanks to extensive government economic stimulus programmes, activity in construction has picked up in most industrial and emerging countries than the economy as a whole. For 2010, but increasingly so for 2011, it is expected that most countries will see a revival in activity in the building and construction sector.

In Europe a slight fall of 1% in building production is still expected in 2010. But this is due solely to the poor development in commercial construction. Civil engineering, by contrast, is expected to grow by 2.7%. In 2011 building investment is predicted to expand by 2% Europe-wide, again driven by investment in civil engineering projects, contributing 3% growth. The slight

46

downturn in production in 2010 is due to the negative effect from countries where prices have fallen dramatically. In the reform economies of Central Europe, however, growth in construction activity is set to expand by 6% as early as 2010, accelerating to 10% in 2011. The engine behind this growth will continue to be Poland.

In Russia building activity has increased considerably during the last decade. In 2008 the Russian construction reached a volume of around EUR130 billion, which is 11% of GDP. Building activity has stayed stable in 2009. However, a downturn of around 5% is expected for 2010, followed in 2011 by modest growth.

At around EUR730 billion, the building and construction market in the US remained the most important in the world.

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Following a downturn in the current year, real GDP is expected to rise again in 2010, by 1.5%, indicating that the US is emerging from recession more quickly than expected. Following the severe drop in building production in 2007 to 2009, a slight increase is expected next year, picking up strength in 2011.

Government building activity will increase, particularly in civil engineering projects. New residential construction is expected to stabilise, while a more marked downturn is expected in commercial construction.

Following exorbitant growth in the last 15 years, China’s volume of building investment reached around EUR550 billion in 2008, making it the second largest building market in the world. The Chinese government has launched wide-ranging economic stimulus packages with a focus on investment in state infrastructure. Overall China is coming through the global economic crisis much better than the industrialised and emerging economies. Economic research institutes are expecting real GDP in China to grow by 8% in both 2009 and 2010. In building investment the

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Bauma in brief A record 555,000m2 and more of indoor and outdoor exhibition space at the New Munich Trade Fair Centre is dedicated to a display of the latest products from the international construction, building-materials and mining machinery sectors between 19 and 25 April 2010. More than 3,000 exhibitors are expected to make use of this event.

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growth is likely to be slightly higher, as the Chinese government is holding firmly to its ambitious investment programme Motorway exit in infrastructure.

München-Riem The level of investment in the Indian construction market is around EUR130 billion. However its rate of growth was almost as impressive as China. Between 1998 and 2008 activity in building and construction rose by around 140%. And this dynamic pace is set to continue. According to forecasts by the economic research institutes real economic output in India is set to expand by a 6% in 2009 and 2010. In the current Five-Year Plan, to 2012, aroundEUR330 billion is being invested in the expansion of the road and rail network, the construction of new seaports and airports and improving energy and water supplies. During this period growth in investment in construction is expected to reach around 10% a year.

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Issue 5 - 2009 • Dec 09 - Jan 10 •

Joint Presentation “Research

PDi 47

Back to University for Connell Having successfully completed the demolition of the former 21 storey Maths Tower at the University of Manchester in March 2006, the UK demolition contractor Connell Brothers Ltd has returned to demolish the 14-storey Moberley Tower and Refectory. The University is host to approximately 35,000 students from all over the world and employs in excess of 11,000 personnel.

The demolition project is at the heart of the campus, surrounded by historical buildings and in close proximity to the famous John Rylands University Library, the Samuel Alexander Building, the Students’ Union and fronting the busy city centre arterial route of Oxford Road.

The 32 week demolition

project forms part of the University’s plans for a new Learning Commons at the heart of the campus. The demolition of the tower and refectory will open up the area allowing for the planning and future creation of a flexible learning space that will provide integrated learning environments supported by advanced technologies.

The project is contained within a restricted footprint where the 14 storey tower and refectory building have been encased by scaffold. The tower is being dismantled floor by floor, using specially equipped mini-excavators working at roof height.

The west refectory building demolition started with high reach machines opening up the site for access to the tower. In opening up the site the side walls of the structure and scaffolded sections were retained as a protective barrier. Once the tower has been dismantled to

a suitable height, the high reach ground based machines carry out the remaining demolition.

Connell Brothers adopted a flexible approach to the planning of the works and any items that have an impact on noise, vibration and vehicle movements were scheduled for completion out of normal University operating hours at night and weekends.

The work is progressing toward the targeted date for completion at the end of March 2010.

www.connellbrothers.co.uk

Teamwork in Berlin

The team from the German demolition and blasting contractor Philipp Halter GmbH & Co. of Berlin was faced with a challenging job of demolishing in only 48 hours the southern section of the Spandau dam bridge crossing the A 100.

The factor that played a decisive role in the swift and smooth demolition progress was the interaction of Atlas Copco hydraulic breakers and hydraulic CombiCutters. First a bed of sand was placed underneath the bridge to allow the girders and reinforcements taken down by the Atlas Copco CombiCutters to be remove.

Three MB 1700 hydraulic breakers began with the preparations on the bridge foundation.

This medium weight range breaker weighing 1.7t,

48

is suitable for carriers in the 19 to 32t weight class. An SB 302 was used for the preparatory and finishing work. This light hydraulic breaker weighing 304 kg is suitable for carriers in the 4.5 to 9t class.

The main part of the work was handled by two Atlas Copco hydraulic CombiCutters, a CC 1700 U and a CC 2500 U, both equipped with universal jaws, which crushed the concrete and cut the rebar in one go. “We cannot make compromises with regard to reliability,” says Philipp Halter chief executive Christoph Halter.

“The performance of the Atlas Copco products has convinced me to such extent that we will definitely rely on them for future jobs, too.”

PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Thanks to the interaction of Atlas Copco hydraulic breakers and CombiCutters the old dam bridge is now history and has made way for one of the most significant roadwork projects in the capital on the banks of the Spree.

www.atlascopco.com

Brothers

Husqvarna robot enlisted at Fort Denning Husqvarna’s demolition robot DXR 310 has played a crucial role at a major refurbishing project at one of the USA’s largest military bases at Fort Benning in Georgia. Supported from a crane, the robot successfully demolished a six-storey brick building. Atlanta-based demolition company B&D Concrete Cutting was contracted by Winter Environmental and McCarty Corporation to work on the extensive renovation project.

The mission included taking down the brick facade of a six-storey concrete building, without damaging the concrete framework.

B&D Concrete Cutting chose to use Husqvarna’s new remotely controlled demolition robot DXR 310 for the task. Putting the demolition robot on a frame and winching it up in a crane, the DXR 310 could do the job with the operator safely in a boom lift. “I have been running robotic machines for years, but this was the first time it was suspended from a crane,” says, at B&D Concrete Cutting superintendent Chris LeBlanc. “With other robots, you would have to downgrade in hitting power to get that compact size.”

Another challenge was refurbishing the seven stairwells in the building. Thanks to the telescopic boom of the Husqvarna robot, which has a range of approximately 5.5m, it was possible to reach inside the doorways. The individually controlled out-riggers were very useful in the tight locations where it was not possible to use all four. “Without the extended reach of the DXR 310, we would not have been able to demolish the stairwells. Using the telescopic boom, we could do two

floors at a time, without having to move the machine,” says Chris Leblanc. “With just a touch of a button you can activate a function and monitor temperatures or problems with the machine.”

The demolition project at Fort Benning was finished at the end of September and ahead of schedule. “Our customer was extremely satisfied with the job our company did, and we could not have done it without the DXR 310 and the support of Husqvarna,” says B&D Concrete Cutting owner Michael Tackett.

www.husqvarnacp.com

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 49

Hunt makes way for £

The specialist UK demolition contractor John F Hunt Demolition is using one of its purpose built 42m, high reach excavators, fitted with a concrete cracker, as the principal equipment to demolish several residential tower blocks in Canning Town, East The long reach Hitachi with 42m boom proved ideal for the top down controlled demolition.

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PDi • Issue 5 - 2009 • Dec 09 - Jan 10

London, as the first phase for a vast £600M redevelopment of the area.

£600M development John F Hunt’s Hitachi Zaxis 870LCH, is being used to dismantle high rise tower blocks piece by piece. This 105t unit is complemented by two of the company’s smaller Komatsu PC210LC and PC450LC excavators, which assist when the partially demolished structures are within their reach.

Started in the end of October John F Hunt Demolition, working as principal demolition contractor for London Borough of Newham and London Thames Gateway Development Corporation, started on its £1.5M demolition contract towards the end of October adjacent to the main A13 Newham Way trunk road and its junction with the A1011 Silvertown Way. The company initially and quickly dismantled the low-rise four-storey block of flats in Rathbone Street, prior to embarking on the first of the three remaining adjacent 11 storey blocks, Swanscombe Point.

As a symbolic end to the high-rise tower blocks and the start of the huge Canning Town and Custom House Regeneration Programme, one of Canning Town’s oldest residents, 89-year-old Alice Lashmar, was invited to join the John F Hunt Demolition team to start the demolition of Swanscombe Point. Alice, who will be 90 next April, was born in Canning Town and has lived there all her life. She worked from the age of 14 to 62, with 15 years in the Canning Town Labour Exchange and many more in the civil service. “I have lived in Canning Town all of my life and have many fond memories of the town,” said Alice. “I have seen it go through a lot of changes over the years and it is about time the area was spruced up a bit so that future generations can reap the benefits and enjoy living here as much as I have.”

With that Alice sprightly climbed up into the cab of John F Hunt’s Komatsu PC210LC, equipped with concrete crusher, and sat at the controls posing for photographs and interviews with television crews for broadcast later on the local television news programmes.

All waste recycled

All the rubble and debris from the demolition will be sorted and recycled on site. John F Hunt Demolition will then bring in one of its own mobile crushers to crush and screen the hardcore and concrete. This will then be spread around the site in a thick blanket to provide a working platform for the piling rigs that will be needed to construct the foundations for the new structures.

John F Hunt Demolition is scheduled to complete the dismantling of the four structures by Spring 2010. Developer Bouygues UK will then follow on and make a start on the next phase of the regeneration programme and develop the new Canning Town centre over the next 10 years.

www.johnfhunt.co.uk

One of Canning Town’s oldest residents, 89-year-old Alice Lashmar was interviewed by the local BBC television news.

Working from the top down, the Hitachi, complete with its 4.5t fully rotating Caterpillar MP40 concrete cracker, started on the top roof slab.

John F Hunt Demolition’s site team, with its high reach 105t Hitachi 870LCH, dismantled the 11-storey Swanscombe Point tower block.

42 m reach Following the photo call John F Hunt Demolition’s site team set to work with its 42 m high reach Hitachi 870LCH and made a start on taking down the 11-storey Swanscombe Point tower block.

Working from the top down, the Hitachi, complete with its 4.5t fully rotating Caterpillar MP40 concrete cracker, started on the top roof slab. The control and accuracy of the Hitachi operator’s skill at positioning the concrete cracker at high level enabled the machine to gradually and accurately chew its way down the building, effectively dismantling the condemned structure in a controlled piece-bypiece operation. “The long reach Hitachi is ideal for this type of top down controlled demolition,” says John F Hunt Demolition project manager Irfan Quraishi. “The machine can stand well back from the building and dismantle it floor by floor and piece by piece.

When we get closer to ground level we can also bring in the other two excavators with pulverisers to complete the demolition. We expect to take a couple of weeks to dismantle Swanscombe Point, before moving onto the remaining two high rise blocks.”

Swanscombe Point and the other tower blocks are part of a 16 acre Brownfield site that is being cleared to make way for 1,100 new homes and 60,000m2 of retail and office space and leisure complex. Swanscombe Point will itself be replaced by and make way for a new supermarket, over 200 homes and a leisure facility.

It is all part of the Canning Town and Custom House Regeneration Programme, which is a partnership between Newham Council and the London Thames Gateway Development Corporation.

The programme also includes the building of up to 10,000 new homes and two improved town centres and is expected to generate £3.7billion of additional investment and physically, economically and socially transform the area.

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 51

Allu expects a huge market potential equipment, and naturally we want to keep it that way.”

Hornets helped

Allu, the Finnish manufacturer of a large variety of products for soil treatment and improvement purposes, expects a steady growth in its worldwide sales and operations. The company is now well over 20 years old, but according to managing director Kauko Pylväs, it is still in the phase of taking the first steps.

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“We still need to educate customers about what our equipment can do and how customers are able to benefit from them. The difficulty is that many of our products are the first ones and they change the old working patterns and procedures. It just takes time to get the new methods sold to customers,” says Pylväs. “We are now experiencing a recession, but I’m confident that better times will come again and that Allu will continue stronger and larger as ever.”

In particular, there are two product lines that have been the first in their respective fields and where Allu has been the undisputed pioneer. One is the screener-crusher material processing device and the other is the mass stabilisation system. In both cases Allu is the global market leader with a huge margin to the competition

The crucial customer need

Allu started in 1985. The founding father was and still the innovative mind behind the research and development is Markku Jonninen, a mechanical engineer who was employed by companies selling crushing machinery. However, he decided to move into his own business of importing machines and tools for forest and bio energy industries. Amongst the imported machines were chip crushers and the idea for the name of his new company Ideachip. In addition to mere import, Ideachip and Markku Jonninen also designed machines and systems. He designed the Text: Heikki Harri whole handling process of sorting wood chips. The company soon became involved in waste management equipment and handling of demolition debris.

Then in 1991Ideachip experienced the turning point in the company’s short history. Ideachip and Markku Jonninen had a customer who handled all sorts of soil materials using a stationary screen. However, the customer was not satisfied with the machine as wet material blocked the screen. He asked Markku Jonninen for help who came up with the idea of a bucket-type screener-crusher, the first of its kind in the world. The product was branded Allu.

“The screener-crusher was an ideal solution for soil handling.

It is basically a bucket that is attached to the excavator boom or to a wheel loader. In addition to solely screening and crushing, the screener-crusher can also be used for mixing, aerating and loading the material, even for separating various materials,” says Pylväs.

“With a screener-crusher the customer gets many advantages.

First, the investment is cheap in comparison to, say, a standard stationary screen, and from the point of view of daily use, the screener-crusher offers so much more versatility. Allu’s estimation is that we have a 60 to 70 % global market share in this line of PDi • Issue 5 - 2009 • Dec 09 - Jan 10

In the early 90’s a major recession hit Finland and other Nordic countries. Ideachip experienced a huge decrease in sales. Markku Jonninen decided to start designing Ideachip products that would increase the range and enlarge its customer base. The screenercrusher was the first one in 1991 and the windrow turner followed a year later.

In 1993, the American made Hornet fighter planes further helped Ideachip’s situation. The Finnish government ordered Hornet fighters for the Air Force, and the deal included the offset trade system, whereby the seller purchased Finnish made products.

Ideachip was the very first Finnish company to benefit from this agreement by signing a delivery agreement of one big windrow turner. The deal was worth approximately EUR500,000 in today’s value. However, at that time it was a lot more and more importantly, it was a real reference delivery to the US market. The Allu windrow turner is now one of the most appreciated machines in the USA for bioremediation of contaminated soils. With the recession over sales picked up and by 1994 Ideachip’s sales included 50% of its own products and 50% from other producers. It was time to start searching for dealers as export business increased steadily. In 1997 the company had active dealers in about 10 countries.

Cat experience A few years later Ideachip thought the company had found the solution for the demand of growth. Caterpillar had shown interested in Allu products and, in 1997 the two companies signed a deal covering 124 countries. But the deal did not go as planned.

The contract was made between Ideachip and Cat Work Tools Division, which meant that Ideachip’s only working partner, was the Tools Division, and Ideachip did not approach Cat dealers directly. So the Cat dealers were not motivated and trained to sell the new and then unknown tool and sales were disappointing.

There was another complication. In some countries the local Allu dealer discontinued the dealership. In Germany the previous dealer designed a screener-crusher of its own and started to compete with Allu and Allu screener-crusher sales in Germany temporarily dropped dramatically.

New face and new method In 1999 Ideachip recruited Kauko Pylväs as managing director. He had a lot of experience in international business and in developing global sales networks. The same year he decided that the only way to grow the company business was, instead of relying only on the Cat network, to further develop the company’s own sales channels.

Consequently, Ideachip started to create its own dealer organisation. It paid off, as the company’s sales have grown an average of 25% annually and many Caterpillar dealers now also sell Allu products independently.

In 2002 Ideachip launched a new product line, the mass stabilisation method and was the first time the process like this could be performed by one machine. Now mass stabilisation has been used almost all over the world on many different projects.

In the USA for instance in New Orleans where some of the levees and other earth structures have been stabilised to better withstand future hurricanes. Another project is in Florida where 14.4 km along the sides of the Key West main road was stabilised so it could be widened from two to four lanes. This was done to ease the evacuation in case of a hurricane emergency. Other major stabilisation projects include the ring road of São Paulo in Brazil, the enlargement of the port of Valencia in Spain and the port of

Education, pioneering…

Vuosaari in Finland.

“There are now many stabilisation systems sold and several interesting prospective projects. One application is the cleaning of oil drilling holes. All over the world at oil production sites there are thousands of holes waiting for a major clean up. Another interesting case is in the UK, where there are quite a few abandoned dockyards that need stabilisation for a new use, such as housing and commercial projects,” says Pylväs.

In spite of the company’s success, Kauko Pylväs emphasises that there is still a lot of work to do.

“Although we have been present at almost all the major trade exhibitions and always demonstrated the equipment, there are a lot of people who come to see us and wonder what the products really are about. In fact, most people don’t have a clue. ‘Awesome’ and ‘cool’ are the words you most often hear when the visitors are watching the Allu demonstration. Indeed, to some even the screener-crusher is a new product and a new concept,” says Pylväs.

“So there is still a long way to go for the Allu team.”

Allu – after all…

Further changes within the company took place in 2007. While the company name was originally Ideachip, the brand of the company’s own products has always been Allu. Two years ago also the company changed its name to Allu to streamline the company’s global image and identity. All over the world the Allu name is also used by its subsidiaries. The sales organisation now relies on subsidiaries in Germany, France, UK, USA, China and Argentina and strengthened by about 30 dealers in further countries. The other major change was a move to a new building. The company had always been close to Lahti in southern Finland, but the old building did not provide scope for expansion. Now a brand-new ultra-modern manufacturing and office building covering 6.000m2 was built 30 km south of the previous headquarters. It also offers space for further expansion if needed. Allu now has about 100 employees and sales of approximately EUR25M.

www.allu.fi

Allu – 150 million years old but still young Allosaurus was the most frightening carnivorous animal of the late Jurassic era, approximately 150 million years ago. It was the largest member of the Allosaurie family.

Allosaurus weighed about 4t and height of 5m when standing on its hind legs. Palaeontologists believe that the animals were fast and hunted huge herbivorous animals and ate all kind of waste as well. Markku Jonninen, the founding father picked up the name of allosaurus, but modified it to Allu. Today Allu represents a powerful device, which can effectively and simultaneously eat, treat and digest various waste materials.

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Signature Date _________ 1. What is your company´s primary business activity?  Concrete cutting  General demolition  Demolition by explosives  Highrise demolition  Hazardous materials  Landfill  Re-use of demolition waste  Recycling services  General contractor  Floor gridning  Hydrodemolition  Insurance  Safety and project planning  Architect  Engineer  Distributor/sales representative  Other, specify ________________________ 2. What is your function?  Contractor  Architect  Engineer  Distributor/sales representative  Purchase  Estimator  Management  Operator  Other, specify ________________________ 3. Reason for inquiry?  Immediate need  Future job  General information 4. Reason for inquiry?  Immediate need  Future job  General information 5. Size of your company?  Less then 5 employees  6-20 employees  21-50 employees  51 or more employees 6. Do you recommend, specify, approve or perform concrete cutting services?  Recommend  Specify  Approve

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Perform None

7. Do you recommend, specify, approve or perform demolition services?  Recommend  Specify  Approve  Perform  None 8. Do you recommend, specify, approve or perform recycling services?  Recommend  Specify  Approve  Perform  None 9. Do your company plan to buy any of the following in the next 12 months?

Concrete Cutting  Wire saw  Wall saw  Flat/Floor saw  Diamond chain saw  Core drill  Diamond blades/ bits or wires  Other_________________________ Demolition  Excavator/carrier for demolition  Long reach demolition boom  Compact equipment  Loading equipment  Hydraulic breaker  Concrete crusher  Pulveriser  Sorting grab  Steel shear  Other_________________________ Recycling  Mobile recycling equipment  Stationary recycling equipment  Screens  Screeders  Crushing buckets Other equipment  Floor grinding equipment  Dust extractor equipment  Wet vacuum equipment  Air cleaning equipment  Hydrodemolition equipment  Implosion appareal  Other__________________________

Issue 5 - 2009 • Dec 09 - Jan 10 •

PDi 53

IACDS holds its first seminar and coordinates it 2010 annual meeting with Bauma IACDS coordinates its 2010 annual meeting with Bauma 2010 and will begin 24 April, at 06.00 pm in Salzburg, the Mozart city. The annual conference of the delegates is scheduled for Monday, 26 April at the meeting hotel Ramada City Centre in Salzburg. The complete programme, including the registration paper, is ready for download at the starting page of the IACDS website with address http://www. iacds.org/iacds_bauma_2010_e.html. Deadline for registration is Friday, 29 January, 2010 and registration forms should be sent to Ramada hotel and IACDS.

IACDS’s first official seminar to be held at Bauma But the day before the annual meeting IACDS will arrange, in the heart of the Bauma in Munich, its first seminar dedicated to concrete drilling and sawing (www.bauma.de/en/Facts). The seminar, held under the headline “The Very Best of Diamond Technology˝, will take place in Hall B 1, Conference room B 11, at 10.00 to 14.00 on Friday the 23 April. The subjects that will be covered are as follows:

IACDS Seminars “The Very Best of Diamond Technology˝

10.00 on “Dry coring and dry wire sawing in reinforced concrete” by Martin Godickemeier of Hilti, 10.30 “Cutting methods using a minimum of water with efficient recovery of dust and slurry” by Thierry Gillet of Husqvarna Construction Products, 11.00 “Remote controlled underwater wire sawing” by Franz Zeindler of Tyrolit, 11.30 “Hydraulic versus high-frequency motor driven concrete cutting equipment – the pros and cons” by Johan Hartvik of Tractive AB, 12.00 “Hydraulic versus high-frequency motor driven concrete cutting equipment – environmental considerations”

by Johan Hartvik of Tractive AB, 12.30 “Nuclear power plants – large decommissioning projects” by Franz Zeindler of Tyrolit, 13.00 “post installed rebar – efficient methods of strengthening concrete structures” by Jakob Kunz of Hilti.

13.30 “Floor grinding and demolition markets – new opportunities for growth” by Thomas Nilsson of Husqvarna Construction Products AB. For these seminars register on line at www.iacds.org.

www.iacds.org

US Demolition Association 2010 annual convention The National Demolition Association’s Annual Convention is one of the largest exposition of demolition equipment and services in the world and will take place in Las Vegas on March 21-24, 2010. Each year, the National Demolition Association convention brings together a wide cross section of professionals involved in the demolition process, including those involved in the demolition contracting, general contracting, civil engineering, recycling, and other industries.

The convention includes educational programs, entertainment, and networking opportunities for both Association members and other attendees.

www.demolitionassociation.com

European Demolition association Spring Conference 2010 An interesting market for the demolition industry, easy access and good hotel facilities were the main criteria for selecting the Polish city of Warsaw as the venue for the EDA General Assembly and Spring Conference 2010.

Both the interest of European demolition companies’ and manufacturers have been taken into account when choosing Warsaw as a venue for EDA Spring Conference 2010. Despite the challenging economic situation across Europe, “new” EU member states still benefit from EU funding for the development of their infrastructure and other projects of a public nature. Companies from countries such as Spain, who are used to dealing with EU-funded construction projects, are already very active in the Polish market. Poland also functions as a bridge for contractors to other East European markets still outside the EU, where external construction/ demolition know-how is demanded.

As EDA President Mr Yves Canessa pointed out in the last Board Meeting in Amsterdam, “One of the EDA’s main challenges at the moment is to attract the new generation in the demolition industry to our conferences. It is not sufficient to organise events where we gather to meet old friends in the field and to do some tourism. The new generation is increasingly demanding higher-level technical presentations than the previous one. We have had young participants in both Nice and Istanbul from countries such as Switzerland and Denmark who have been quite impressed by the high level of the presentations. That is the way to attract new professionals to the EDA,” Mr Canessa added. In order to assure the highest technical level of the presentations in the Warsaw Conference, Board members, National Association and EDA IC members have been invited to submit their proposals to the EDA Secretariat. More info about the seminars in a coming issue of PDi. In connection to the 2010 Conference a Gala Dinner with sponsors and a farewell dinner for President Canessa will be held. The EDA’s 2010 General Assembly will see the end of Mr Yves Canessa’s tenure of office as President and the start of a new “Italian” era with Mr Giuseppe Panseri as the incoming President for the three years to come. A good farewell/ welcome dinner is to be expected on Saturday 29th of May.

www.eda-demolition.com

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PDi • Issue 5 - 2009 • Dec 09 - Jan 10

Yury Mokin 1967 - 2009

In remembrance of a dear friend On 17th December 2009, my friend and employer, Yury Mokin, passed away in Saint Petersburg in a most tragic way. He was 42. Days go by, but the pain shows no sign of subsiding as I am trying to fathom how this could happen to such a vibrant and strong young man. When I mentally came to terms with the ruthless fact, I first thought of publishing a rather formal “in memoriam” notice to the world’s concrete sawing community in PDi magazine. I intended to write a story, which would tell people about his background, his track record and achievements. But as I stood under heavy snowfall on a cemetery site outside the city watching Yury’s casket being lowered into the ground alongside his mother’s I changed my mind. I realized that producing a list of his many accomplishments, which were self-obvious and well-known, was not what I really wanted. I felt that I had to tell the world just how fair, kind and loyal he was.

To me, Yury’s passing is absolutely personal tragedy. If not for him, so many things in my professional and private life could never have happened. I owe Yury an immeasurable debt of gratitude, so does everybody at Olvex. This acutely intelligent and generous man, who came from a small town in Russia’s north-west, profoundly affected the lives of everyone in the company he set up on both professional and personal level. He was as much the heart as the brains of our enterprise. For over 16 years that Yury was at the helm, the staff of Olvex changed little. People just knew that it would impossible to find a better employment within our industry in Russia. He was true friend to us, a friend we all could count on at any time and in any situation. He never ever let us down. He never defaulted on a single promise. And he never complained about anything, although his burden of responsibility was a thousand times heavier than ours.

With his passing, the entire era came to an end. Life is not going to be the same for us from now on. We all know that.

And what we also know is that we must carry on, because we are now under moral obligation to complete his mission and fulfill his dreams for him. This is how we can repay the enormous debt of gratitude we owe Yury Mokin.

With love and gratitude, Andrei Bushmarin, Olvex / PDi December 2009 The PDi staff extends their deepest sympathies to the family, friends and colleagues of Yury Mokin. Anyone wishing to express their condolences is welcome to send them a message at mail@olvex.ru.

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