June 2016
T Th he e V Vo o ii c ce e o o ff tt h he e M Ma as so on nr ry y II n nd du us s tt r ry y
Volume Volume 55, 55, Number Number 65
Also Inside:
Cleaning Equipment Manufactured Stone
Technology in Masonry Visit us online at:
www.masoncontractors.org
POLYMER MODIFIED ADHERED VENEER MORTAR
Tipping the shear bond scale at well over 300 psi, SPEC MIXÂŽ Polymer Modified Adhered Veneer Mortar is the ultimate product for installing manufactured and natural masonry veneer units. The mix design is custom formulated with mason sand for optimal workability and superior productivity. Masons choose SPEC MIX PMAVM because it eliminates unit sag, the need for spacers and excessive time wasted holding units in place.
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www.masonrymagazine.com
on the
cover
June 2016 | Volume 55, No.6
Contents Cleaning Equipment
16 Off the Wall — As in Masonry Cleaning! 20 Case Study Historic Downtown Kansas City Landmark Restored, Repurposed
Manufactured Stone
Stone: A Quality Masonry Product 22 Cast Simulating Natural Stone Advantages of Manufactured Calcium 28 The Silicate Building Stone Case Studies
34 Cast Stone and BIM — A Match Made in Louisiana 36 A Blend of Natural Stone and Manufactured Stone Veneer
Brings Out an Iconic Architectural Masterpiece
Technology in Masonry
40 CO in Masonry: An Opportunity to 44 Using Make Every Block Count
Technology for the Jobsite: Finding the Right Tools to Serve a Dynamic Project Team 2
Shown on the cover is the Eureka County High School Gymnasium, winner of the Award of Honor — Commercial in NCMA’s 2015 Concrete Masonry Design Awards of Excellence. The mason contractor was Silver State Masonry. Learn more about the project on page 60 of this issue. Photo courtsey of Ag Studio, Sparks, Nev.
columns & departments 6
From The Editor
8
Chairman’s Message
10
Government Affairs
12
New Products
48
Business Building
50
Trowel Tech
52
Classified Advertising
53
News
56
MCAA Upcoming Education
MCAA Strategic Partner Program
MASONRY (ISSN 0025-4681) is published monthly. Subscription rate $29 per year; Canada and Mexico $47 (U.S. currency); all other countries $65. Single copies $8.50. Copyright 2016 by Mason Contractors Association of America. POSTMASTER: Send address changes to MASONRY, c/o Lionheart Publishing, Inc., 506 Roswell St., Ste. 220, Marietta, GA 30060. Canadian return address: Station A, PO Box 54 Windsor, Ontario N9A 615. SEND SUBSCRIPTIONS and business correspondence to: MASONRY, c/o Lionheart Publishing, Inc., 506 Roswell St., Ste. 220, Marietta, GA 30060 Phone: 770-431-0867 or 888-303-5639 www.masonrymagazine.com. Layout & Design © Lionheart Publishing, Inc.
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June 2016 • www.masoncontractors.org
The Voice of the Masonry Industry
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FROM
THE
EDITOR
Karen D. Hickey, Editor - karen@lionhrtpub.com
Safety in Building Codes Back in April, two earthquakes of at least 7.0 magnitude occurred — one on April 15 in Japan and the other on April 16 in Ecuador. It got me thinking… and Googling. I wrote in the last issue that May was Building Safety Month. Building safety is based on building codes. I came across an article by David Z. Morris in Fortune magazine: “L.A. Is Mandating Thousands of Earthquake Retrofits for Old Buildings.” Late last fall, Los Angeles had passed the nation’s strictest earthquake safety rules, requiring retrofitting of old buildings in the city. Japan has had strict building codes in place for decades, but 32 people still died in the Kumamoto region from the quake. Meanwhile, according to AIR Worldwide, “Building code enforcement varies within and across Ecuador [and] seismic performance of buildings…is greatly influenced by local construction practices.” The death toll from the earthquake in Ecuador was 272.
Building codes have played an integral part in shaping the masonry industry. Masonry structures may be required to have enhanced structural integrity as part of a comprehensive design against progressive collapse due to accident, misuse, sabotage or other causes. Standards from various organizations govern how we work every day. Not only do we adhere to state and local building codes, but many times we work in conjunction with an owner-engaged special inspector. When we follow code, we end up with a building that will last for many generations to come. We can place brick and CMU in a wall all day long, but if we allow for out-of-spec tolerance, incorrect material placement, or faulty workmanship, not only have we provided a misuse of our profession, but a structure in which the owner will be held liable. I hop e this month’s feature articles help you in furthering your professional knowledge of the masonry industry. yMAS
COMING IN JULY 2016 Be sure to catch the July 2016 issue of Masonry, which will feature articles covering current trends and examining industry issues, including:
The Voice of the Masonry Industry MASONRY Magazine Official Publication of the Mason Contractors Association of America and the Canadian Masonry Contractors Association The Mason Contractors Association of America is committed to preserving and promoting the masonry industry by providing continuing education, advocating fair codes and standards, fostering a safe work environment, recruiting future manpower, and marketing the benefits of masonry materials.ion of America is committed to preserving and promoting the masonry industry by providing continuing education, advocating fair codes and standards, fostering a safe work environment, recruiting future manpower, and marketing the benefits of masonry materials.
Mason Contractors Association of America
Chairman Vice Chairman Treasurer Secretary
Robert V. Barnes, Jr. Glenn Hotmann John Jacob Gary Joyner Jed Olafson
Regional Vice Presidents
WORKFORCE DEVELOPMENT Masonry reports on what organizations around the country are doing to combat the workforce shortage in the industry.
For advertising information, contact Marvin Diamond
770.431.0867, ext. 208 • Toll-free: 888.303.5639 • E-mail: marvin@lionhrtpub.com
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June 2016 • www.masoncontractors.org
President/CEO
Michael Schmerbeck Rick Swanson Lynn Vasquez Dennis Withsosky
Jeff Buczkiewicz
Executive Staff Government Affairs Representatives Director of Marketing, Education, and Information Technology Director of Development Membership Coordinator Administrative Assistant Consultant
The Keelen Group Timothy W. O’Toole Todd Fredrick Angie Parisi Lorra Lein Rashod Johnson
Editorial Advisory Board David Jollay (Jollay Masonry Contractors), John Chrysler (MIA), John Melander (PCA), David Hill (Pettit Construction Co.), John J. Smith (John J. Smith Masonry Co.), Brian Grant (Grant/Jack’s Masonry), Jerry Painter (Painter Masonry, Inc.), Doug Nichols (Doug Nichols Enterprises), G. Alan Griffin (Griffin Contracting, Inc.), Tom Daniel (GBC Concrete and Masonry Construction, Inc.)
Executive Office 1481 Merchant Drive Algonquin, IL 60102 Phone: 224.678.9709 or 800.536.2225 Fax: 224.678.9714
MASONRY is the official publication of the Mason Contractors Association of America (MCAA) and the Canadian Masonry Contractors Association (CMCA). The magazine acts as a sounding board without approving, disapproving or guaranteeing the validity or accuracy of any data, claim or opinion appearing under a byline or obtained or quoted from an acknowledged source. Opinions expressed by officers do not necessarily reflect the official views of MCAA or CMCA. The appearance of advertising or new product information doesn't constitute an endorsement by MCAA or CMCA of product featured.
Masonry Advertising and Editorial Office
MAST CLIMBERS Experts discuss the latest in fall protection when using mast climbers. MORTARS, MIXTURES AND STAINING Case studies reveal how to preserve the look of natural stone while protecting against staining.
Michael Sutter Paul Odom Paul Oldham Larry Vacala
Send all advertising and editorial submissions for Masonry to: Lionheart Publishing, Inc. 506 Roswell Street, Suite 220, Marietta, GA 30060 USA Tel: 888.303.5639 • Fax: 770.432.6969 • E-mail: lpi@lionhrtpub.com www.masonrymagazine.com Publisher John Llewellyn • llewellyn@lionhrtpub.com Editor Karen D. Hickey • karen@lionhrtpub.com Copy Editor Marty M. Hohmann • marty@redclayeditorial.com Art Director Alan Brubaker • albrubaker@lionhrtpub.com Online Projects Manager Patton McGinley • patton@lionhrtpub.com Assistant Online Projects Manager Leslie Proctor • leslie@lionhrtpub.com Advertising Sales Marvin Diamond • marvin@lionhrtpub.com Advertising Sales John Davis • jdavis@lionhrtpub.com Marketing Director and Audience Development Maria Bennett • bennett@lionhrtpub.com Reprints Kelly Millwood • kelly@lionhrtpub.com
The Voice of the Masonry Industry
CHAIRMAN’S
MESSAGE
Michael Sutter Chairman
Mason Contractors Association of America mike.sutter@suttermasonry.com
Southern Hospitality Having just returned from the North Carolina Masonry Contractors Association (NCMCA) Convention in Hot Springs, Va., I am excited to share my experience with everyone. First of all, my wife, Colleen, and I, along with MCAA vice-chairman Paul Odom and his wife, Susie, were shown what southern hospitality is all about. From the moment we arrived late Wednesday night until departing very early Sunday morning, we were treated as a part of the group and included in all of their events. The NCMCA is a very tight-knit group of people. Even though they are competitors, they are good friends and treat each other with the utmost respect in their business meetings and social events. This is exactly what all of us should strive for in all of our chapters. I wish everyone could experience both their hospitality and their association structure, led by executive director Lynn Nash. We watched the changing of their officers, with Ashley Moore moving into the chairman position and Bob Gates moving up to the president’s position, along with Kent Huntley becoming secretary/treasurer. Gary Joyner has moved out of the chairman’s position, but I’m sure he will be just as involved in NCMCA business as before, while continuing to be a leader with MCAA. The MCAA, along with our industry partners, has been focusing its efforts on multi-story framed structures built without masonry firewalls that have caught fire during construction before any fire suppression methods were operational. We had a fire a few weeks ago in Gilbert, Ariz., involving 8 |
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eight three-story apartment buildings with over 250 units. A fire was started after construction crews left the site, and seven of the eight buildings burned to the ground in a matter of minutes. Nearby neighborhoods were evacuated, the street in front of the buildings melted, and cars parked in front of their homes had the bumpers melted. There was damage to nearby homes and apartments. My company was working on the site, performing limited work, and I can say that, except for some discolored block and melted rebar caps, the masonry survived unscathed. Our forklift was saved due to its being parked near a masonry screen wall. However, our mixer and the SPEC MIX silo didn’t fare as well. The heat was so intense that it bowed the 1/4-inch tube steel legs of the silo and completely destroyed our mortar mixer. The MCAA and our industry partners are doing our best to show what happens when masonry firewalls are not included in the design of multistory, wood-constructed buildings. There was no loss of life in this fire; however, two firefighters and three police officers were injured in the blaze. We continue to spread awareness of the danger of such construction and are usually reminded that code allows this. We have to remind cities and towns that constructing “to code” is just meeting minimum construction standards. Do they want to be known as doing only the minimum to protect their citizens? I think not. While it may seem a little early to talk about the MCAA mid-year meet-
June 2016 • www.masoncontractors.org
ing starting on October 2, I have to let you in on some recent news. We have been planning to hold the meeting in my home state of Arizona for quite some time, but have now selected a resort in Scottsdale. It is the Westin Kierland resort in the center of Scottsdale, with shops, restaurants and a golf course all within walking distance of the resort. The website for the resort is www.kierlandresort.com. Please check it out for all of the amenities offered. MCAA president Jeff Buczkiewicz was here in the beginning of May, and we made plans for some great afternoon activities following our morning meetings. We will bring back the golf outing that was so popular years ago but has been missing as of late. In addition, we will offer UTV riding in the desert and some fun activities right at the resort. I’ll bet you wouldn’t think we would have surfing in the desert, but just wait until you see it. I can see Don and Bev McCauley’s “tribe” spending a lot of time there. I would be remiss if I didn’t mention the Scotch Library, which the Westin Kierland is famous for. With over 250 different scotches to choose from, I will be looking for someone to buy me a drink of their best scotch. But at $3,500 per drink, I may have to look pretty hard to find a volunteer! While at the bar, keep your eye out for snakes — in particular, rattlesnakes. I’m not talking stuffed ones, either! I’m talking about real, live rattlesnakes. No matter what, we’ll have an excellent midyear meeting… and we’ll stay safe from the snakes! yMAS The Voice of the Masonry Industry
GOVERNMENT
AFFAIRS
By Stephen Borg
2016 MCAA Legislative Conference Recap In the midst of crazy political times, the Mason Contractors Association of America (MCAA) had another great week in Washington, D.C., during our annual Legislative Conference. We had MCAA members from 11 states who took the time to meet with Representatives and Senators from their home states, providing them with an update on the masonry industry and the issues affecting their businesses. I wanted to take this time to recap the event for those of you who could not make it. MCAA had five main issues to discuss this year during every visit. We tried to hit home the numerous ways that federal laws and regulations impact the mason contracting industry. Our top legislative effort this year was highlighting our need for robust workforce development programs, and our timing couldn’t have been better. Congress is beginning the process of reauthorizing the Carl D. Perkins Act (the federal law that created career and technical education programs), and we took the time to ask for more opportunities for business engagement within the program and more opportunities to remove the stigma related to CTE programs on the part of governments, administrators and parents. We continued to show members of Congress the true impact that OSHA’s new rule on workplace exposure to crystalline silica would have on the mason contracting industry and the construction industry as a whole. We reminded everyone we met that work10 |
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place safety and health remain our top priority, and we are fully committed to meeting the current standards set forth by OSHA. However, we believe that OSHA has not made a case for the need for the new rules, has not accurately taken into account the actual feasibility of complying with the new standards, and has drastically underestimated the true compliance costs to the construction industry. Our major request was that members of Congress push to include language in the annual appropriations bills to block implementation of this rule until OSHA holds a new SBRFA panel and provides Congress with answers to pertinent questions. Continuing our partnership with the National Concrete Masonry Association, we once again asked Representatives and Senators to cosponsor the Concrete Masonry Products, Research, Education, and Promotion Act, which, as you know, would provide the legal authority for the concrete block industry to hold a referendum vote on setting up a “check-off ” program for the industry. Members of Congress were very supportive of these requests, and many vowed to keep these issues — along with the misclassification of employees as independent contractors, and opposition to S. 2892, the Timber Innovation Act — on their radar screens as the legislative process rolls forward. While we were on Capitol Hill, Executive Director Jeff Buczkiewicz and
June 2016 • www.masoncontractors.org
various members of MCAA took the time to present our annual MCAA Freedom and Prosperity Award to two members of Congress who have been adamant supporters of small businesses and our industry as a whole. This year’s award recipients were: • Representative Bill Huizenga (R-MI). • Senator John Hoeven (R-ND). While the two days of hitting Capitol Hill were sometimes long, we had opportunities to participate in some rather fun events as well. On May 17, members of MCAA were able to take two amazing tours of Washington, D.C., landmarks. First was a behindthe-scenes masonry tour of George Washington’s Mount Vernon Estate. The second tour was just as cool and historic, as our members explored the masonry of the Lincoln Cottage, President Abraham Lincoln’s D.C. hideaway. These two tours were extremely informative and served as a great way for our members to network and continue to share masonry stories from their home states. We appreciate all the MCAA members who took time out of their busy schedules to join us in Washington to advocate for our industry. We cannot overstate the importance of this week and the impact it has on our industry as whole. Keep an eye out for information regarding our 2017 Legislative Conference. We hope to see you there! yMAS The Voice of the Masonry Industry
The Complete Solution for Thin Brick
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60
years of building chemistry
Products & Relationships
NEW
Product & Service Information
PRODUCTS To submit a new product, contact: Karen Hickey • Email: karen@lionhrtpub.com
Simpson Strong-Tie
www.masonrymagazine.com • 888-303-5639, Ext. 230
We’ve made it fast, easy and convenient to request FREE information about any product or service in this issue. To request information online, go to: www.masonrymagazine.com. Click on ‘FREE Product Information’ (right top corner), then… 1. Select the issue of the magazine you are reading 2. Check the box next to the advertiser you are interested in 3. Provide your name, address and business information 4. Click submit.
DEWALT
New Britain, Conn.
Pleasanton, Calif.
Laticrete Chicago, Ill.
Speed Clean Dust Extraction System
DEWALT Introduces 4-in-1 Multi-Functional Utility Bar
Laticrete Offers TRI-LITE Adhesive Mortar
The new Speed Clean Dust Extraction System from Simpson Strong-Tie is a comprehensive drill bit-andvacuum system that reduces dust while producing precise, clean holes in concrete. Developed in conjunction with Robert Bosch Power Tool Corp., the Speed Clean system delivers clean holes with 20 percent greater speed than conventional bits. Speed Clean drill bits are built around an internal dust channel that extracts concrete dust during drilling, keeping the jobsite cleaner while saving time and money.
Available in two sizes, the DEWALT Multi-Functional Utility (MFU) Bar is ideal for ripping, striking, prying and scraping applications. The MFU Bar features a hardened striking surface manufactured with 7/8-inch tri-lobe stock for durability, a gooseneck head for board grabbing, and an extra-wide pry end designed with precision ground edges. While the bar can be used for prying applications, the angled foot at the bottom also offers leverage while scraping or lifting during the demolition process.
www.strongtie.com
www.dewalt.com
TRI-LITE is a lightweight, multi-use, polymer-fortified adhesive mortar, suitable for concrete, concrete block, ceramic tile and stone, cement backer board, brick and concrete masonry, and more. TRI-LITE offers tremendous utility for non-sag wall installations, large heavy tile installation and the thin-set application of floors. This cutting-edge product exceeds ANSI A118.15, A118.4, and 118.11 ISO 13007 - C2TES1 classification. A single 30-lb. bag of TRI-LITE provides the same coverage as a 50-lb. bag of traditional mortar.
Jenny Products, Inc. Somerset, Pa.
www.laticrete.com
MSA
Cranberry Twp., Pa.
Steam Jenny Offers Line of Belt-Drive Cold Pressure Washers
Mini Personal Fall Limiter Compact Solution for Close Anchorage
Designed for heavy use, Steam Jenny’s four models of belt-drive cold pressure washers provide a longer pump life than direct-drive units. All models feature a triplex ceramic plunger pump, which provides years of service while requiring little maintenance. The units are available with pressure ratings between 3,000 and 4,000 psi, and flowrates vary between 3 and 4 gpm. Furthermore, a customizable option allows customers to choose a unit with pressure and flow ratings based on their specific needs.
The Latchways Mini Personal Fall Limiter from MSA is the most compact, lightweight self-retracting lanyard ever developed. This PFL uses multiple spring radial energy-absorbing technology to eliminate the need for an external energy-absorber outside of the housing, making it the smallest SRL available. A fully rotating attachment point for complete user mobility. Suitable for use in multiple work applications, the Latchways Mini PFL is for environments where close anchorage is available.
www.steamjenny.com
www.msasafety.com
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Bon Tool Co. Gibsonia, Pa.
Bon Adds Expanded Steel Walkboard to Scaffolding Line Bon Tool Co. has added an Expanded Steel Walkboard to their scaffolding line of products. The walkboards are 7 feet long and available in three widths: 19, 24 and 28 inches. The ends of each board are equipped with offset hooks so they can be laid end to end to fit the size of a workspace. The hooks also allow for fast assembly and dismantling. The expanded steel design is slip resistant, prevents mortar buildup and is powdered coated for durability. www.bontool.com
The Voice of the Masonry Industry
EZG
®
Manufacturing 1-800-417-9272 www.ezgrout.com
Hog Leg Wall Brace Kit and Steel Hog Troughs Hog Leg Wall Brace Kit GHL400KIT ☐ Engineered wall brace system ☐ Easy way to brace masonry walls ☐ Galvanized pipe available ☐ Works for any type of block ☐ Adjusts to any wall height ☐ Fastens through head joints (no cutting of block required or anchor bolts to purchase)
Steel Hog Trough Model HTS10 ☐ 10 c.f. capacity ☐ 10 gauge steel ☐ 165 lbs. ☐ Forklift pocket access on all four sides
Steel Hog Trough with Wheels Model HTS10W ☐ 10 c.f. capacity ☐ 10 gauge steel ☐ 185 lbs. ☐ Two rigid and two swivel heavy duty casters
www.masoncontractors.org
Off the Wall — As in Masonry Cleaning! By Randy Weil AS MANUFACTURERS OF MASONRY CLEANING EQUIPMENT FOR OVER 43 YEARS, Unique Industries LLC (known by the product name Kem-O-Kleen) has received more than a few questions about cleaning methods. We believe that there is always room to improve and, by sharing ideas and information, we can all be better. With that in mind, we asked some of the masons we know to share their cleaning methods. The first case study below offers a first-hand, detailed account of the steps of the cleaning process. In the second and third, we avoided duplication of methods while addressing some unique situations.
>>> CASE STUDY #1
GRALAND COUNTRY DAY SCHOOL
Company: JVS Masonry, Commerce City, Colo.
Principal: James Serowski, owner; Robert Copeland, masonry cleaner.
Masonry Project: Graland Country Day School Expansion.
Brick: Blonde Modular Brick, 20,000 sq. ft.
Mortar: Type S with Buff Color.
Equipment: Kem-O-Kleen K-3003.
Chemical:
•
Prosoco Sure Klean 600.
Unusual Features or Challenges of the Job: Different patterns and details: soldiers, recessed brick, stair stepping, among others.
Cleaning Method (step-by-step description): •
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Most of the scraping was done by the laborers when they took down the scaffold.
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•
Start by looking for a pattern — how wide a swath will be cleaned. • It’s important so that one can keep track of progress easily during cleaning. • Look for minor flaw, shadow, building feature to locate the edges of the pattern. Generally, one can wash an area 8 feet wide x 6 feet high standing in one spot. I use a custom 6-foot wand. I also have 2.5-, 3.5- and 4.5-foot The Voice of the Masonry Industry
In the News Masonry Cleaning, Other Improvements to Be Performed on Lincoln Memorial On Presidents’ Day 2016, the National Park Service announced that financier and philanthropist David Rubenstein would donate $18.5 million to help restore the Lincoln Memorial. The money will allow the National Park Service to repair damaged brick and marble masonry and clean the memorial; conserve the murals located above the memorial’s inscriptions; create more functional space for exhibit, education and research areas; and add an elevator to improve accessibility. A special project will provide future visitors with a glimpse of the memorial’s foundational pillars, which anchor the memorial to the bedrock, and of the graffiti of the workers who built the monument in the early 20th century. The Lincoln Memorial features a 19-foot, 175-ton marble Lincoln seated inside a massive edifice bearing inscriptions from his speeches. Work began on the memorial in 1914, 49 years after Lincoln’s assassination. It opened in 1922. The upcoming work will likely be the most extensive renovation to the memorial since its opening, The Washington Post reported. Rubenstein, co-founder of the private equity firm the Carlyle Group, has previously donated hefty sums to help restore the Washington Monument; Arlington House, the memorial to Confederate Gen. Robert E. Lee; and the U.S. Marine Corps War Memorial. He told the CBS news program “60 Minutes” last year that part of the reason why he does what he does is because the government no longer has the resources. “We have gigantic budget deficits and large debt,” he told the show. “And I think private citizens now need to pitch in.” yMAS Original article by Michael Pearson, CNN, www.cnn.com
• •
• •
•
wands with quick disconnects to cover a variety of situations. Start at the top of the pattern area. Wet the pattern area with hot water. Return to the top of the pattern area and wash the top three courses. This lets some chemical flow evenly down the wall and soften mortar smears below. This small amount helps speed the cleaning considerably. Go to the bottom of the pattern (generally 8’ W x 6’ H) and start to apply chemical in the hot water stream. The chemical is activated by the hot water, and the water itself provides scrubbing action at the same time. While there are different methods, working from the bottom up can help provide clear visibility of the cleaning that needs to be done. I find that working from the top down can cause too much foam, which can obscure
www.masonrymagazine.com
•
•
•
• •
the smears that need to be removed; and where the wall has already been cleaned. Work your way up the pattern area, applying chemical and hot water. Rinse the pattern area. This must be a thorough rinse to make sure any unspent chemical is washed completely from the wall. If the building is 12 feet high or taller, there would be more than one pattern block vertically. In that situation, move on to the next pattern, generally the pattern block below. When working on pattern block below the ones already washed, I am typically in rinse mode because the chemical that has sheeted down the wall has already softened the mortar residue. I prefer to wash on a manlift, ladder or on the ground. It is much easier to move the hose around compared to being on a scaffold. When I reach the ground, I go back to the top and the adjacent pattern area and do it all over again. I overlap pattern areas by 1–2 feet. This helps avoid streaking. yMAS June 2016
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CLEANING EQUIPMENT
>>> CASE STUDY #2
INDEPENDENCE BANK
Company: L.A. Buford, Inc., Owensboro, Ky., founded in 1948.
Principal: Tom Buford, president
Masonry Project: Independence Bank, a replica of Independence Hall in Philadelphia.
Brick: Belden 154,000 installed.
Mortar: Type N Brixment.
Equipment: Kem-O-Kleen Masonry Cleaning System.
Chemical: Prosoco Sure Klean 600 and hot water only.
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June 2016 • www.masoncontractors.org
Let me start with a few words about cleaning, in general. If possible, we try to clean on Saturdays. We find Saturdays to be far more productive than cleaning on weekdays, On Saturdays, there are few people around to slow access, there is less traffic to avoid, less risk of damage to equipment (example: hose damaged because it was run over by machinery), no one inadvertently turning off your water supply, and no one complaining about getting them wet! We have used Kem-O-Kleen for all our cleaning since 1977 (we now have four of them!). It maximizes our productivity — 38,000 bricks cleaned in six hours on a Saturday with this machine and two people. It also maximizes consistency; temperature, pressure, water flow, and chemical mix/flow are tightly controlled. Consistency is so important in our business. I can drive around town and notice buildings cleaned by others 25 years ago, and there are still vertical stripes where the cleaning was uneven. A unique feature of cleaning the Independence Bank building was that we cleaned the rear wall of this building using only the heated high-pressure water from our machine. We had used Sure Klean 600 on most of the building. When it came to the rear wall, the stainless steel drive-up window was already installed and our Mastclimber was nearby. We didn’t want to use an acidic cleaner near either the stainless or the Mastclimber, so we went with just hot water. We used the same method of cleaning, just without chemical. The cleaning of the rear wall took longer, but it came out looking exactly like the rest of the building. The general contractor and bank loved the masonry. yMAS The Voice of the Masonry Industry
>>> CASE STUDY #3
CAR MAX
Company: Swanson Masonry, Inc., St. Charles, Mo.
Principal: Rick Swanson
Masonry Project: Car Max, St. Peters, Mo.
Brick: 30,000 Colored CMU, Split Face and Smooth Block.
Mortar: Buff Type S.
Equipment: JLG 60-foot lift, Kem-O-Kleen, Model K-3003 Masonry Cleaning System.
Chemical: Prosoco Sure Klean 600.
This might have been a typical cleaning job, if there is such a thing, but we had an extremely tight schedule. To make matters worse, we had to do the cleaning when other trades were on the job. As part of the setup, we planned out our approach to clean efficiently while minimizing interaction with other trades. Barriers to block spray to the interior spaces were put in place where needed and checked. We assigned two men to do the cleaning.
Conclusion For most of the people we work with, cleaning is a very important aspect of every job. Many see it as a way to differentiate their company from the competition. We hear words like “pristine.” We hear of times when jobs are won because the general contractor’s or architect’s attitude is, “I don’t know what you do differently, but I know your work always www.masonrymagazine.com
We used our standard methods: 1. Be sure the surface is free of mortar globs, and scrape if necessary. 2. Flood the wall with hot water. 3. Apply chemical in the hot water stream. 4. Rinse thoroughly with hot water. From start to finish, we were able to clean the entire job in less than four days, meeting the tight schedule. The owner said this was the cleanest facility they have built around the country. They were specifically impressed that the CMU did not streak (as they typically see with other cleaning methods) and the mortar joints were not burnt. yMAS
looks better.” Often, the difference is how well the masonry was cleaned. Great cleaning pays off! yMAS Randy Weil is president of Unique Industries, LLC. If you have any questions or would like more information, contact him at randy.weil@uniqueindustries.com or (800) 274-4121. June 2016
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CLEANING EQUIPMENT
>>> CASE STUDY
KANSAS CITY POWER & LIGHT BUILDING
Historic Downtown Kansas City Landmark Restored, Repurposed PROSOCO’s ReVive gives life to revitalized downtown KC scene
W i t h 1 5 0 , 0 0 0 s q u a re f e e t o f limestone standing 34 stories high, the Kansas City Power & Light building has prominently adorned the city’s downtown skyline since its construction in 1931. The historic Art Deco-style building at 1330 Baltimore Ave., designed by Hoit, Price and Barnes, held the record of Missouri’s tallest habitable structure for 45 years, from 1931 to 1976. B y 2 0 1 4 , t h e o r i g i n a l o w n e r, Kansas City Power & Light Co., had long left the building, and the final tenant had just moved out. Its future was at risk, like so many empty and atrophied buildings in major metros across the U.S. Having changed ownership more than once over the span of just a few years, the building suffered from deferred maintenance as well as atmospheric and ferrous stains on its masonry exterior. U n d e r t h e c u r re n t o w n e r s h i p o f N o r t h P o i n t Development, a massive, $64-million interior and exterior restoration began in early 2015 to convert the structure into offices and 217 loft apartments. The project was celebrated by the city — instead of sitting empty and continuing to decay, or worse, the building would be repurposed and put into reuse to contribute positively to a revitalized and thriving downtown community. La t e r in 201 5 , g e n e ra l c o n t ra c t o r N e ighb ors Construction gave the nod to Concrete & Masonry Restoration (C&M Restoration) to complete a restoration of the building’s limestone exterior, including stain removal, miscellaneous repointing of defective mortar joints, nearly 20,000 linear feet of limestone repointing, and 231 limestone patches of spalled stone from ferrous metal strap anchors.
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“Too clean” isn’t usually an issue on masonry cleaning projects. But the owner didn’t want the building to appear immaculate. While performing test panels of all products used on the restoration, C&M Restoration took special considerations to get the right level of effectiveness. One prewash product was ruled out because it got the limestone cleaner than the owner’s liking, according to Bill Thomas, owner of C&M Restoration. “We had samples that were even more extraordinary than the results that we were contracted to deliver,” he said. “But that’s not what they wanted. There was a point where they didn’t want us to go too far.” Test panels had actually been performed by PROSOCO and C&M Restoration 10 years ago — back when the project had another owner and entirely different scope. Products tested to satisfactory results 10 years ago but weren’t ultimately used due to updated technologies that occurred over the last decade. C&M Restoration used swing-stage scaffolding to access the exterior’s 41 drops, rigging it, inspecting each area with an architect from the project design firm, BNIM, The Voice of the Masonry Industry
determining the extent of the work, performing the work and finally re-inspecting the work again with the architect before moving on to the next drop. Before work could begin in spring 2015, Neighbors Construction cordoned off the building and its surrounding sidewalks. Workers from C&M Restoration applied PROSOCO’s ReVive cleaner with controlled pressure-washing and let it sit before using a brush to remove stains from the limestone. The restoration was scheduled for completion by the end of 2015, and the project exceeded the owner’s expectations. No accidents, injuries, complaints, etched glass or any other issues occurred during the 8-month exterior restoration, the project manager reported. Loft apartments and other spaces were expected to be available in the first half of 2016. yMAS
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Cast Stone:
A Quality Masonry Product Simulating Natural Stone By Jan Boyer Photos courtesy of the Cast Stone Institute
IF IT LOOKS LIKE STONE AND IS A MANUFACTURED CONCRETE PRODUCT, then it must be Cast Stone, right? Not true. The product could be Cast Stone or one of a number of other products, including adhered manufactured stone masonry veneer (AMSMV), architectural precast, calcium silicate, natural stone or even new lightweight products made with only an outer coating of concrete. Each product has its appropriate applications dependent upon the project. This article discusses Cast Stone — what it is, how it is specified and how to determine quality Cast Stone production, and new, upcoming standards for installation. What Is Cast Stone? Architectural Cast Stone is a refined architectural concrete building unit manufactured to simulate natural cut stone and is used in unit masonry applications. In other words, it is a unit installed by a mason. Used as an architectural feature, trim, ornament or veneer for buildings or other structures, it is created with a fine-grain texture to simulate all types of natural cut stone, including but not limited to limestone, granite, slate, travertine or marble. Cast Stone can be made
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from white and/or grey cements, manufactured or natural sands, carefully selected crushed stone or wellgraded natural gravels, mineral coloring pigments and admixtures to achieve the desired color and appearance while maintaining durable physical properties which exceed most natural cut building stones. Cast stone is generally non-structural and anchored to load-bearing masonry wall systems in traditional commercial and residential buildings and other structures. It is also used in numerous hardscape
June 2016 • www.masoncontractors.org
The Voice of the Masonry Industry
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MANUFACTURED STONE
applications and is often the material of choice for restoration projects, where it can easily replicate original intricate, natural stone pieces. The many uses of Cast Stone are depicted at www.caststone.org/photographs.htm. Proper Specification of Cast Stone Cast Stone is specified to be manufactured to meet or exceed standards as per the current version of ASTM C1364, Standard Specification for Architectural Cast Stone, which originated in 1997. This document contains very specific requirements for the physical properties, testing, appearance and tolerances for Cast Stone. These requirements are applicable whether the product is manufactured by dry tamp, wet cast or machine made methods. ASTM C1364 is referenced, beginning with the 2012 International Building Code, as the definition for Cast Stone and is therefore legally binding in jurisdictions that have adopted the building codes. Cast Stone requirements in ASTM C1364-16 are: • Compressive Strength. ASTM C1194, testing in 2-inch cubes: 6,500 psi minimum for product at 28 days. • Absorption. ASTM C1195, testing of 2-inch cubes, 6 percent maximum by the cold water method only at 28 days. • Freeze/Thaw. ASTM C1364, of less than 5 percent after 300 cycles of freezing and thawing. Of note is that
Cast Stone is the only product with a freeze/ thaw requirement that must be met by all manufacturers. The passing of Cast Stone by this test relates to over 60 years of durable product life. The Cast Stone InstiCompressive strength cube. tute does not simply make industry recommendations. We work within recognized reference standards to assure the specifier of the highest-quality Cast Stone for a project. Cast Stone Production Methods A c c o r d i n g to ASTM C1364-16 standards for Architectural Cast Stone, Cast Stone can be produced in dry tamp, wet cast or machine made methods. No matter the method, the Cast Stone must comply with all of the testing minimums in order to be compliant with the specification. Therefore, any method of production can provide quality cast stone. ASTM C1364-16 specifically states that the method of production be chosen by the manufacturer and not the specifier. This would include the mason contractor.
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Cast Stone manufacturers produce under one, two or all of these methods depending on the company. Why the different methods if they are all under the same technical standards? There are circumstances where the production by one method would be more beneficial for a specific project, and the manufacturer is the best entity to make that determination. Just as the specifier knows what they need to comply with various building codes and standards and how the Cast Stone is intended to function on the wall, so does the manufacturer know how best to produce the Cast Stone to meet these performance criteria. For more guidance on this issue, reference the Cast Stone Institute Technical Bulletin #54, available for free download at www.caststone.org under “Technical Resources > Technical Bulletins.” Cast Stone Institute Plant Certification Recognizing the importance of quality Cast Stone production to the viability and longevity of a structural or landscape project, the Cast Stone Institute developed a plant certification program 15 years ago. Over the years, this certification program has been enhanced to make it one of the most rigorous certification programs in the construction industries. The CSI Certified Producers take great pride in the production of exceptional Cast Stone for each project for which they supply material.
Positive engagement of a wall tie with cast stone.
In order for a non-certified producer plant to be considered equal to a CSI Certified Plant, there are very specific and very important criteria that a specifier should require as documentation. Simply stating that a plant complies with CSI Certification Guidelines is absolutely not enough. Prior to admission, each potential Producer Member must submit to a rigorous examination of product quality, safety, testing (including freeze/thaw), meticulous record keeping and financial viability of the company. Once certified, they undergo the recertification process every other year with unannounced inspections and test data reporting every six months, in addition to numerous other requirements. Complete details about the tests can be found at CSI’s website, www.caststone.org. 10-Year Product Warranty The Cast Stone Institute Producer Members adopted language for a 10-year limited product warranty in 2011. CSI Producer Members are aware of the evolving environment for products that demand sustainability, durability and usable service life. This warranty demonstrates that CSI Producer Members embrace these principles and produce a product that will stand the test of time. Refer to CSI’s website for complete technical information, details, Or Equal and warranty documents. New Cast Stone Standards Coming Soon The Masonry Society, the organization that creates the standards for the masonry industry, is in the process of finalizing new Standards for Cast Stone design, production and installation. This important standalone document will be an invaluable resource to architects, engineers, Cast Stone producers and masons. These mandatory guidelines will be available through The Masonry Society and included in the 2018 version of the International Building Code. Once the new standards are finalized, training sessions will be held for masons. yMAS For more information, including educational opportunities, contact the CSI office at staff@caststone.org or (717) 272-3744. Jan Boyer has been the executive director of the Cast Stone Institute since 2006. She currently serves on the board of directors for the Masonry Alliance for Codes and Standards (MACS) as board secretary and serves on several administrative committees for The Masonry Society. She also sits on the ASTM C27 Committee under which Architectural Cast Stone falls. She can be reached at jboyer@caststone.org.
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The Voice of the Masonry Industry
Custom Submittal Sheets are available upon request
WIRE-BOND
The Advantages of
Manufactured Calcium Silicate Building Stone By Cindy Loosemore
WHILE CALCIUM SILICATE MASONRY UNITS (CSMU) ARE NOT NEW, THEIR UNIQUE QUALITIES AND BENEFITS are perhaps more relevant today than ever. Understanding how CSMU differs from other manufactured stone reveals the important advantages of this masonry product. CSMUs are a manufactured stone product with exceptional strength and durability, as well as remarkable authenticity in terms of texture and appearance. Arriscraft in Ontario, Canada, has manufactured calcium silicate building stone for over 60 years. This type of manufactured stone is distinct from both clay bricks and concrete masonry products. Right: A home built with Arriscraft’s Shadow Stone.
How It’s Made Makes the Difference Naturally occurring materials are mixed and then pressed into modular-sized units under high pressure. The units are then subjected to a highly monitored steam system to produce a masonry unit with uniformly fine-grained texture. This Natural Process® technology (patented by Arriscraft) replicates how stone is formed in the earth, except more rapidly. During the manufacturing process, the raw materials chemically react to form a calcium silicate hydrate binder, resulting in durable, strong and integrally bonded units. Although this manufacturing process has changed very little over the decades, the demand for this naturally based, calcium silicate stone continues to grow. These “green” units are entirely natural except for the pigments that are added 28 |
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as the raw materials combine. This mixing creates masonry units with through-body color, so stones can be cut, shaped, hand-chiseled or dressed on-site while maintaining the finegrained texture and color. Performs Like Quarried Stone Because CSMUs are created to be like natural, quarried stone, they offer the same strength and durability benefits. Arriscraft Building Stone products are offered with a lifetime warranty and will not fade, shrink, crack or age in the way that concrete-based manufactured stone products may — particularly under severe weather conditions. These calcium silicate products meet ASTM C73-99a, which specifies the requirements for compresThe Voice of the Masonry Industry
sive strength and absorption in order for the material to be classified as either moderate or severe weathering. Cement-based product standards do not apply to CSMUs; within the calcium silicate standards, there are no performance requirements with respect to freeze/thaw durability. It is generally accepted that the durability of calcium silicate masonry is closely related to its strength properties. Arriscraft stone products have been independently tested to ensure that they meet and exceed the severe weathering requirements for ASTM C73. Broad Style Selection While quarried stone obviously cannot be altered in terms of color, shape and profile, CSMUs are manufactured www.masonrymagazine.com
in a vast array of designs, offering builders the dual advantage of performance and style. According to Arriscraft’s marketing manager, Marta Zonneveld, “Even customers who have known us for decades are sometimes surprised to learn about our complete line. They often fall in love with one style of stone, I suppose because of their recurring types of projects. Some know us for our traditional stone, perhaps as home builders, while others specify a more architectural design for commercial or institutional projects.” The product offering runs the gamut from historical to modern, satisfying an equally broad range of building designs — from old-world university buildings to ultracontemporary homes. Currently, Arriscraft offers 10 June 2016
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Building Stone styles, in addition to Renaissance® Masonry Units and a series of Thin-Clad products.
Because calcium silicate masonry units are created to be like natural, quarried stone, they offer the same strength and durability benefits.
Color and Blend Customization While most manufactured stone products offer a broad choice of style and color, Arriscraft’s unique production process opens up opportunity for customization. Because CSMU pigments are added during the process, each product run can be different without any setup changes. This flexibility, plus a dedicated technical lab, has made custom orders very common with Arriscraft.
Historical Matching B ecause calcium silicate masonry units have an authentic, natural grain appearance, they are also a top candidate for use on historical projects, either for repairs and renovations or for new structures being integrated with old buildings. With the added advantage of color matching, Arriscraft Building Stone can come incredibly close to a perfect match.
Case Study: University of Wyoming The University of Wyoming wanted to incorporate its historical, locally sourced sandstone into the design of the new, state-of-the-art Marian H. Rochelle Gateway Center. However, with the regional quarry closed, the university struggled to find a suitable “natural” stone option in their signature colors. Arriscraft worked with the university and designers to create a custom bond pattern using standard Renaissance masonry unit colors. According to Chet Lockard, project leader at Project Guide Services, “Arriscraft was able to dial in the color we needed. We wanted to create more excitement for the Gateway Center, and they have a great range of standard colors, which also saved money on the project. The best thing about Arriscraft is that it’s no different than quarried stone, but it’s more University of Wyoming color consistent.” Case Study: Virginia Tech Established in 1896, Virginia Tech has a rich and unique history. In order to preserve their source of “Hokie” stone, the institution went so far as to purchase the quarry in the 1970s. But with the supply depleting (the quarry run was actually changing), administrators were faced with a finite supply. Working closely with the school, Arriscraft masonry experts recreated the Hokie stone pattern using Cumberland Building Stone and creating the custom “Rockport Grey” color blend. A second blend includes 4–5 percent of Virginia Tech’s iconic, quarried black stone, for the most distinguished projects. The main Rockport Grey blend is used on university buildings, commercial buildings associated with the school, and even by some alumni for their residences, since they so closely identify with their alma mater. 30 |
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Virginia Tech
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The Voice of the Masonry Industry
360° OF INNOVATION. The MS 360 is our latest masonry saw. With the ability to cut 17.25” long in one pass with little to no mess, this is the next generation of masonry saw. The patented water containment system keeps water, slurry and debris controlled, delivering a cleaner work piece and work space. You can also make 22.5° and 45° bevel cuts, and the saw head can easily switch between plunge and miter cutting, making it fast and versatile on the job site. Husqvarna manufacturers a wide range of blades perfect for cutting through all types of masonry materials. The MS 360 comes with a Vari-Cut™ Turbo blade for fast cutting hard concrete, stone and other masonry materials. Want 360° of innovation, cutting performance and ergonomics? Call 800-288-5040 or visit www.husqvarnacp.com to find a Husqvarna salesman or dealer in your area. 17400 West 119th Street • Olathe, Kansas 66061 • T 800-288-5040 • F 800-825-0028 Copyright © 2016 Husqvarna AB (publ.). All rights reserved. Husqvarna is a registered trademark of Husqvarna AB (publ.).
MANUFACTURED STONE
Case Study: Miami University F ounded in 1809, Miami University in Ohio is one of the countr y’s oldest universities. With new buildings needed, the school required a more efficient and costeffective alternative to quarried stone. Arriscraft developed a custom color of its Fresco Building Stone to create a nearperfect match to the original, early 19thcentury stone used on campus. Although the Arriscraft stone was actually more expensive than the quarried stone, the project timing and installation costs were greatly reduced, enough to save hundreds of thousands of dollars on the project. Standard and Streamlined Installation As a manufactured product, Arriscraft Building Stone is designed for installation using standard masonry techniques, regardless of the stone style. However, while some Building Stone styles require that a bond pattern be followed, Arriscraft has introduced new options designed for more rapid installation.
Miami University
Strikingly simple, Urban Ledgestone is Arriscraft’s first product designed to be laid in a coursed pattern. To achieve this coursed pattern, one size of stone is laid in one or more rows, followed by one or more rows of a second size. Introduced in 2015, Matterhorn Building Stone features a simple-to-install, two-unit bond pattern. Matterhorn is made with 99 percent reclaimed material from existing manufacturing processes. New for 2016, the 32-inch Evolution Masonry Unit is Arriscraft’s longest stone product. According to the company, building designers have expressed a strong interest in a longer stone, and they were able to upgrade existing manufacturing technology to accommodate production of this large masonry unit. yMAS For more information, visit www.arriscraft.com. Cindy Loosemore is a freelance writer and can be reached at cindyloosemore@rogers.com.
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The Voice of the Masonry Industry
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>>> CASE STUDY
LOUISIANA SPORTS HALL OF FAME
Cast Stone and BIM — A Match Made in Louisiana Project: Louisiana Sports Hall of Fame, Natchitoches, La.
Architect: Trahan Architects
Mason: Masonry Arts
Brick: CSI Award of Excellence presented to Advanced Architectural Stone
Award: CSI Award of Excellence presented to Advanced Architectural Stone
Vision The 27,500-square-foot Louisiana State Museum and Sports Hall of Fame is located in Natchitoches, La., the oldest settlement of the original Louisiana Purchase. The museum houses memorabilia contributed by the diverse cultures that shaped the state of Louisiana and the Gulf South. To celebrate the region’s history, Trahan Architects envisioned the Cane River shapes inside the building spaces, leading the visitor through a meandering path of galleries and memorabilia. The architect’s description of the design is “fluid shapes of the braided corridors of river channels separated by interstitial masses of land.”
Process Beyond the design concept that contextualizes the museum in the historic town, the architect’s goal was to enhance the flowing geometries of the interior spaces with a smooth stone finish — although it was clear that stone had never before been used on an installation of this geometric complexity and size. Through conversations with the team at Advanced Architectural Stone (formerly known as Advanced Cast
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Stone), decisions were made early in the process to not use marble or granite, due to their long production process and high cost of labor. Instead, the team decided to use cast stone. Cast stone has a faster production process; it also allows for fabrication of panels of minimum thickness. The complexity of the project required the use of the latest technologies for design and production, including a highly coordinated BIM (Building Information Modeling) effort headed by CASE Inc. in New York. The modeling of the project allowed for categorization and sequencing of the panels, geometry simplification, load bearing analysis, accurate location of anchor points on the panels, clash analysis, and accurate mold production for 1,250 unique panels. The molds were 5-axis CNC milled from high-density foam finished with a hard coat to withstand the compressing forces of the manufacturing process for the cast stone panels. After the molds were produced, Advanced Architectural Stone (AAS) scanned each one to verify the tolerance requirements. Once the tolerances were verified, AAS successfully fabricated each panel. The Voice of the Masonry Industry
CASE developed the model for the surface of the complexly curved shapes. The AAS team designed every panel with required thickness and attachments used for the installation of each panel. AAS owned and successfully carried out the overall design of the structure. The cast stone pieces were all of irregular shape and often twisted on themselves in an extreme “U” shape. In addition, there were dimensional tolerances of less than ±1/8 inch, a variation in length of ±1/8 inch, and a warp, bow, and twist test of ±1/360 of length of unit, or ±1/8 inch. In addition, all 4,720 requirements were present. In order to comply with the stringent tolerance requirements, the company used special testing equipment to measure each surface area of the molds to prove they were within tolerance to all specifications. “One of the challenges with this project was that the back surface of the panels had to follow the front surface, as we were limited in wall space. We had to mold both the front and back of every panel. Our dry-cast methodology and expertise made a huge difference.... The biggest panel used in the building was about 18 x 12 feet; it weighed 9,600 lbs. A wet-cast panel in this case would weigh more than 16,000 lbs. Cast stone has tremendous design flexibility. With the CNC machines and BIM modeling technology that we have, we were able to complete a project of this scale and complexity,” said Tim Michael, vice president of sales for AAS. Eddie Lesok, CEO of AAS, emphasized the ability of his team to take on projects that are big and complicated. “No other company in the bidding process could dedicate management staff to understand the project,” he said. “While we were learning dramatically as www.masonrymagazine.com
the project progressed, our team’s ability to collectively capture required knowledge, communicate, and collaborate put us in a position to succeed. For this kind of project, you need staff that knows technology and has a strong network to pull in the right partners in the project.” “Advanced Architectural Stone pulled off an amazing feat,” said Federico Negro, a partner with Case. “Faced with a completely new problem, they established a great team to help them deliver the product the architect wanted. They were able to communicate their process and craft to us in a way that allowed us to test out construction scenarios and validate the design. The end product is a testament to this collaboration. Everything fit like a glove, and it looks great.”
Result The museum created an empowering appeal to pull patrons through different parts of the museum. It delivered on the vision of presenting this cultural heritage in a very engaging fashion. Advanced Architectural Stone (AAS) won a CSI Award of Excellence for this project. More photos of this project and information about AAS can be found at www. advancedarchitecturalstone.com. yMAS June 2016
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>>> CASE STUDY
MUSEUM AT PRAIRIEFIRE
A Blend of Natural Stone and Manufactured Stone Veneer Brings Out an Iconic Architectural Masterpiece By Nader Assad A S M O S T O F T O D AY ’ S M A S O N RY PROFESSIONALS KNOW, materials have changed in recent times. The choices have expanded, particularly in the category of manufactured stone, which can lend both performance and customized aesthetic advantages. And the manufacturing processes to achieve certain performance characteristics have greatly advanced. Traditionally, both lightweight and full-depth stone veneers have been manufactured through a wet-cast process using latex molds. In wet-casting, natural stones are arranged in a pattern with latex sprayed on the stones to create a mold. When it came time to cast the veneers, the molds were hand painted with the colorant specified to resemble a particular variety of stone. The resulting veneers were colorized only on the outermost layer. If the veneers chipped accidentally, or were purposely cut during installation, the non-colored aggregate on the interior was exposed. In addition, special corner and trim pieces are needed to obtain finished, real-stone looks without sacrificing color consistency. By comparison, a new mold technology known as the dry-cast production method offers significantly longer life spans and results in a dimensionally stable product. The process begins by scanning natural stone and turning those scans into patented mold technology. A lowmoisture mixture of fine aggregates, cement, admixture and integrated colorant are densely compacted into the molds, then stripped from them and cured in a high-humidity environment. The lightweight and fulldepth veneers manufactured through dry-casting offer
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a psi strength that is two to three times stronger than traditional veneer and have color integrated throughout the unit, which eliminates the need for special corner pieces and reduces waste caused by chipping. Additionally, dry-cast veneers resist freeze/thaw, water and fading. Another benefit of the dry-cast veneer process is the ability to create colors, textures, widths and profile sizes similar to natural stone, which also allows the two materials to be used together. The Voice of the Masonry Industry
Left: The manufactured stone at the lower and mid-gradient blends into the natural limestone, which is light tan and then almost white at the top.
An example of the perfect marriage of locally sourced Kansas limestone and a fulldepth veneer called Cordova Stone from Oldcastle’s Echelon brand is the iconic Museum at Prairiefire in Overland Park, Kan., which rises out of the landscape in a blaze of fiery color. D&D Masonry of Kansas City, working closely with Jonathan Kharfen, AIA/LEED senior associate of Verner Johnson Inc. (Boston), created the stonework for this dramatic showpiece, which hosts exhibits from New York City’s American Museum of Natural History (AMNH). Part of a 60-acre, mixed-use suburban development that includes shops, restaurants, entertainment venues, a wetlands park and residences, the museum now also serves as a living, growing monument to the tall-grass www.masonrymagazine.com
prairie featuring permanent native Kansas archeological specimens and interactive exhibits. Deeply rooted in an architectural concept featuring sustainability, the $17.1-million museum project was designed to capture the beauty and agricultural importance of intentionally burning grounds to replenish and invigorate grasslands. However, the architectural materials needed to simulate flames, burnt landscape and charred remnants proved to be a major challenge. This was overcome by the use of a dichroic film laminated into an insulating glazing unit that replicates the intensity of rippling flames that change color from bottom to top depending on the viewing angle. Since the original mix of all-natural stones was costprohibitive for the 40,000-sq.-ft. structure, Kharfen chose a blend of natural limestone and four standard Cordova veneer colors and fabrication of two custom colors blended by Oldcastle. The Charcoal veneer colors were used to evoke the charred landscapes, with lighter stone colors rising to the top of the building. Saw-cut limestone in near-white was affixed at the top. To graduate from charcoal to grayish-gold on the exterior wall, a brownish-red Cordova veneer was chosen to match the natural red sandstone used on the interior, and for the low-site walls, a custom red with orange highlights. Bands were mapped by D&D Masonry so each band could be laid out with a specific number of stone courses designed in pre-determined sizes and with an exact mix of stonework — for instance, three courses June 2016
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MANUFACTURED STONE >>> CASE STUDY
MUSEUM AT PRAIRIEFIRE of 25 percent Woodland blend and 75 percent Desert blend in 4-inch height. This also saved on labor costs from the original design, which mixed three or four stones per course. Another issue was the original intent of mixing both the natural and Construction with Cordova veneer, limestone and the special colored glass film that represents the Cordova stones in one course. the Prairiefire flames. Cordova is from Oldcastle Echelon’s Artisan veneer collection. Kharfen and D&D determined that the different expansion and contraction rates — one natural space for children, with the balcony completely wrapped and one manufactured — could cause the mortar to in stone, even its sloping soffits. With the help of an crack, so mixing within a course would not be ideal. As Oldcastle subsidiary, D&D became acquainted with the a compromise, they redesigned the bonding to separate IBP Fast Track Stone System, which allows kerfed the different types of stone. The bottom 15 feet of the stone to sit in a lipped track system that mechanically gradient was formed with manufactured stone veneer and holds the stone in place, despite the gravity load of the the colors of charcoal, brownish red and grayish beige sloping soffit. The two long sides of each stone are then to offset the fire elements at eye level. Veneers were also secured in the track top and bottom. To make sure the used for the site walls, which are low sloping in the front sloped soffit system was safe, D&D created a mock-up and back of the building and low enough for visitors to sit in a Kansas City vocational facility. This enabled them on. “At dusk, strategically placed LED lights twinkle along to simulate how the soffit system would be installed and the low red site walls like dying embers as evening sets how the stone would sit securely in the track system. in,” said Kharfen. “It was a great system,” explained D&D’s Adams. “It The two types of stones were the same widths (3 5/8 was the first time we used it, and the installation could inches with 3/8-inch mortar joints), so typical steel studnot have gone better. It took three of our guys one week framed wall construction worked for both. However, to to complete the work. This included 32 separate zones ensure precision throughout the project, a small mockup of varying stone sizes meticulously blended together in panel of the wall was created. This was because the random bond patterns. It turned out to be magnificent.” work veered from the traditional placement of vertical Kharfen, who praised D&D Masonry’s skills for helping control joints with continuous gaps for expansion and to bring his vision to life, said the project has won several contraction. The soft prairie forms kink a lot. So, rather awards and recently achieved a LEED Silver rating. “I than placing control joints at the kinks, they were located love talking about the project because of the sense 2 feet from the kinks, consistently around the building. that we took on some big challenges and succeeded to D&D had not initially planned on doing this, since it meant create something so special.” field splitting the stone and the placement of kinks at very “I couldn’t have imagined how much attention this obtuse angles. Fortunately, the manufactured veneer was landmark piece of architecture would draw from all over split as easily as the natural stone. the world,” said Fred Merrill, founder and president of “From a structural standpoint, the Cordova stone Merrill Companies, who conceived and spearheaded the veneers were as durable as promised,” explained Charlie museum project. Adams from D&D, the project’s foreman. “They were The Museum at Prairiefire, which seamlessly blends certainly tougher than many of the products we used natural and manufactured stone in an exquisitely in the past, which eliminated the need to constantly crafted stone backdrop, will certainly dazzle visitors for replace veneers chipped or cracked during the process.” generations to come. yMAS According to Kharfen, the Cordova veneers mixed with Nader Assad is the Masonry Group manager for Oldcastle traditional Kansas limestone allowed this project to come Architectural since January 2014. Prior to this, Assad was engineering manager for Besser Co., a supplier of in on budget and under a very tight timeframe. Kharfen machinery equipment for the concrete product industry. sought to blend one color course into another to ensure Assad began his career as a mold designer and has the desired effects throughout the project’s exterior. nearly 20 years of experience in the concrete industry, For the second-floor Discovery Room’s stone balcony, engineering and assisting in new product development a specialized wall system was required. The design intent and deployment. was for the cantilevered stone promontory to become a
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The Voice of the Masonry Industry
THE MASONRY REVOLUTION STARTS HERE
Whatever your vision, you can see it through with Echelon, your single-source masonry solution. As the consolidated brand of masonry products from Oldcastle Architectural, we are advancing a new generation of building products and services. You can integrate the best of both worlds into your projects — the irreplaceable character of masonry along with reliable performance that delivers for years to come.
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M A SON R Y PR ODUCTS F R OM
Technology for the Jobsite: Finding the Right Tools to Serve a Dynamic Project Team By Doug Chambers
NOT TOO LONG AGO, ONE OF THE BIGGEST QUESTIONS FACING OUR INDUSTRY was how ready it was to start utilizing new technologies, particularly mobile technology. With increasing adoption of mobile technologies and growing awareness of the enormously positive impact they have on project team efficiency, business owners no longer question if their team is ready. They are asking instead, what technology is right for my project team and how will I get them to use it? Companies seek technology that will boost productivity and help teams work smarter and faster. According to McGraw Hill Construction’s recent SmartMarket Report, Information Mobility: Improving Team Collaboration Through the Movement of Project Information, 67 percent of general and specialty trade contractors reported significant improvements to the flow of project information after incorporating mobile technologies for project teams, with 76 percent of them finding they have better collaboration among team members. Nearly 25 percent of contractors reported substantial schedule, cost and ROI improvements. These numbers are important in proving that collaborative technologies save time and money. With the construction sector making up 4 percent of the United States’ GDP, efficiency gains move the economic needle in a real way. 40 |
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Whether your company hasn’t yet embraced construction-specific software and technologies, or it has, but you’re having trouble with company-wide adoption, there are some simple strategies for helping your project team get on board. Bottom-Up Technology: It Starts With Your Team Construction business owners tend to make one big mistake when choosing technology for their project team: they choose what sounds good “from the top.” In other words, they choose technology that benefits the office and not the field. Here’s why that will never work: if technology isn’t helping the people in the field, they aren’t going to use it. So guess what? It’s not going to benefit the office either. The Voice of the Masonry Industry
Tech cannot be forced onto a project team. The first step in choosing the right technology to improve jobsite efficiency is aiming to discover what the pain points are for your team and find the simplest technology platform that resolves those issues. In the case of FieldLens, people come to us because they need an easy-to-use, effective solution to help their project teams communicate more efficiently so that they can work faster and with fewer costly mistakes. Once you find the technology you think is going to help your project team, test it out. Does it do what it says it will do? Is it relatively simple to use? Will it save your team time? If the answers are yes, do an alpha test with a limited group of tech-savvy users who want to use new technology. If they approve, do a more widespread beta test, and if the new tech or tool passes that round, you’ll ultimately want to start a company-wide rollout. Choose your most tech-savvy users to champion the new technology, and help them develop a rollout program for the rest of your company. Of course, it’s not as simple as that. Anytime it comes to changing habits, there are going to be refusers. These are the people who believe they’ve been doing things just fine, and they don’t want to learn how to use something new. On top of that, your team is busy, and asking them to learn a new tool or technology adds another item to an already slammed workday. The refusers are going to be harder to convince, but there are steps to help them embrace a new way of doing things. The key to turning refusers into adopters is to be up front about what they can expect. Tell them exactly why you’re making a change, and let them know what kind of benefits they can expect (i.e., you’ll be able to do X faster and get home earlier). The next critical step is ensuring they get a “quick win.” Ask yourself, what is the simplest thing I can demonstrate to help this person see how the tool will make their job easier? For example, with FieldLens we encourage refusers to create one post on something happening on the jobsite. This can be as simple as posting a photo or video, or even just a quick comment to share with the team. It’s an easy action showing refusers that using FieldLens will speed up communication with their team. This type of positive feedback immediately helps them experience the value and encourages them to dig deeper. As refusers slowly begin to adopt new technology, make sure your tech champions are there along the way to help train and answer questions, keeping frustration to a minimum. Bring on the Millennials Finally, it’s difficult to discuss project team tech adoption without giving a nod to the most tech-savvy employees at many companies — the millennials. As millennials start trickling into the construction industry, business owners are being challenged to help millennials mesh with their more experienced, veteran workforce. It’s important to understand what this group brings to the table and why the construction industry (just like every other industry) needs them. The numbers prove that the construction industry’s veteran workforce is dwindling as more and more workers www.masonrymagazine.com
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TECHNOLOGY IN MASONRY
head into retirement. The much-hyped skilled labor shortage is reaching peak levels, with 83 percent of construction firms reporting trouble finding skilled workers in 2016, according to the Construction Labor Market Analyzer. Construction is an industry that requires on-the-job-learning, and timing is critical for getting millennials into construction in greater numbers so that they have the benefit of learning from experienced workers. According to Chip Espinoza’s book, Managing the Millennials, some common millennial traits are as follows: • They have a dependency on tech. • They have a preference for meaningful work. • They seek a strong workplace community. • They measure success based on how much gets done, not by how many hours are worked. • They expect a certain level of personal independence. • They want advancement potential. Millennials have the skills needed to succeed in construction, and they have the tech know-how to be able to bring something new to the industry as well. Bridging the gap between millennial and veteran workers is actually pretty simple, and starts with setting a baseline of respect. Each age group tends to think the other is the problem, with workplace veterans believing millennials are
lazy kids who are better at staring at a screen than carrying on a conversation, while millennials think veteran workers refuse to evolve with the times. Technology is a great way to bridge the gap between the two groups because it teaches refusers and resisters to work and share their expertise with millennials “on their level,” but also allows millennials to teach their mentors the most effective ways to use technology. Using technology for on-the-job-training between industry veterans and millennials is a great way for these two groups to work together in a way that highlights both of their strengths. Choosing the right tech for project teams and handling company-wide adoption among workers of varying technological and skilled labor capabilities can seem daunting to business owners. It doesn’t have to be. Doing the work up front and effectively driving adoption saves a lot of hassle down the road, and ensures that your company will be able to optimize operations and stay relevant in today’s tech-enhanced world. yMAS Doug Chambers is CEO and co-founder of FieldLens (www.fieldlens.com), a mobile application that bridges the communication gap on projects, allowing you to connect and collaborate with everyone involved so that you spend more time building smarter and less time on paperwork, processes and administrative tasks.
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Using CO2 in Masonry: An Opportunity to Make Every Block Count By Scott Biggar and Chelsea Code-McNeil ADVANCES IN TECHNOLOGY ARE SELF-PERPETUATING — conducting research and development inevitably leads to discoveries that propel innovation forward. CarbonCure Technologies is no stranger to this cycle. The company’s technology started when their CEO, Robert Niven, began researching the chemical reaction between carbon dioxide (CO2), cement and water while earning his master’s degree at McGill University in Montreal, Canada. This research later became the foundation for CarbonCure’s development over the next eight years, and has transformed into what is now a viable solution for concrete producers to recycle waste CO2 in their concrete mixes. Carbon dioxide, a known greenhouse gas and contributor to climate change, is quickly becoming a major topic for the construction industry. Architects and developers have been refining building systems and techniques for decades to help mitigate CO2 emissions associated with their buildings. Yet this approach addresses only one end of the smokestack, and new technologies are being developed to make use of CO2 to produce new building materials. The fundamentals of CarbonCure’s technology hinge on the chemical reaction referred to as mineralization. The reaction occurs when CO2 is injected during the manufacturing process of concrete masonry units (CMUs). The CO 2 gas reacts with calcium ions found in cement and undergoes a reverse calcination reaction (Fig. 1), resulting in the formation of a calcium carbonate mineral (limestone). A CMU that arrives on-site made with CarbonCure’s technology has exactly the same physical properties and 44 |
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appearance as a traditional CMU. The difference is that a CarbonCure CMU has taken CO2 and trapped it inside, where it can no longer be released. Since the gas has been converted to calcium carbonate, it is no longer a contributor to climate change. Designers and architects are constantly being asked to prioritize material properties to stay functionally true to the motivations of their clients. When considering the use of CMUs on a project, a lot of properties stack up Carbon Cure continued on page 46
Fig. 1 — Chemistry associated with adding CO2 to concrete mix. (Courtesy of CarbonCure Technologies) The Voice of the Masonry Industry
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TECHNOLOGY IN MASONRY
Carbon Cure continued from page 44
in the materials’ favor: durability, strength, fire resistance and thermal mass. All of these material properties contribute to a building’s resiliency, and with the onset of LEED v4, new measures are being put in place to reward materials that can withstand climate impacts. Despite the material benefits of masonry, there is one ingredient in a CMU that carries a heavy carbon footprint: cement. The construction industry has been aware of cement production’s CO2 emissions for many years now, and has been pushing manufacturers to find solutions for reducing this footprint. Where some see CO2 from concrete as a problem, CarbonCure sees it as an opportunity for adaptive reuse. Every block is an opportunity to store a small amount of carbon, a chance to shave some of the cement industry’s emissions off the top and put it back into the concrete. Brampton Brick, a masonry producer with operations across southern Ontario, was one of the first adopter’s of CarbonCure’s technology in North America, first partnering with the company in 2013. In September 2015, Brampton made the decision to install the technology at two more of its plants, citing the desire to start manufacturing all of its products with recycled CO2. “Everything we manufacture today now has CO2 in it,” said Dave Carter, CEO of Brampton Brick. He points to green building standards such as LEED as drivers of the trend. Using CMU as a vessel for storing carbon didn’t add a lot to Brampton Brick’s overall costs, nor did it alter their production practices. But Carter doesn’t tout his company’s CO2-injected blocks as a silver bullet for the concrete industry. “It’s just a piece of the puzzle,” he said, pointing also to the cement and concrete industry’s rising use of alternative fuels and materials.
T he a ddit ion of CarbonCure in the mix design has no impact on CMU weight, color or ASTM requirements. Since 2013, CarbonCure has installed its technology at 22 plants Fig. 3 — Kimco retail outlet under across the U.S. and construction. (Courtesy of Kimco Realty) Canada. Developers and architects across the U.S. are starting learn about the prospect of storing carbon in concrete block. Kimco Realty, North America’s largest owner and operator of open-air shopping centers, recently conFig. 4 — CarbonCure CMU provided by structed the first projMutual Materials. (Courtesy of Kimco Realty) ect in Oregon to use CarbonCure block. The block was manufactured and supplied by Mutual Materials, a recent CarbonCure partner. “Adding CarbonCure onto our Sunset Mall project was fairly seamless,” said Tim Hamann, director of construction at Kimco Realty. The new mall outlet will be home to two restaurants and a retail shop, with construction being managed by Lanphere Construction and Development. “Our general contractor and masons didn’t have any issues with the block,” said Hamann. “The project was installed the same as regular masonry. Recycling CO2 on this project was just something that aligned with Kimco’s sustainability goals.” The integration of CarbonCure’s technology into a block plant is also very simple. Once a producer has established a supply of locally sourced industrial CO2, CarbonCure’s engineers install their equipment and work with the plant’s quality control team to integrate the CO2 into their concrete mixes. In an era where innovation is crucial for both the environment and the sustainability of an industry, concrete producers are seeking ways to improve both their manufacturing processes and their company branding. The addition of CarbonCure’s technology provides a small but innovative tweak to existing plant operations, while helping to answer a global cry for carbon storage solutions. yMAS For more information on CarbonCure’s technology, contact Christie Gamble, director of sales and marketing, at cgamble@carboncure.com.
Fig. 2 — Batch operator using CarbonCure’s HMI interface. (Courtesy of CarbonCure Technologies)
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Scott Biggar is sustainability manager and Chelsea Code-McNeil is sustainability coordinator for CarbonCure Technologies.
The Voice of the Masonry Industry
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BUSINESS
BUILDING
By George Hedley
Does Your BIZ Work for You? Building a great construction business is not easy. It takes a burning desire to grow, make a profit, and continually improve by trying new ideas, installing systems, managing operational structure, and hitting results. You must love what you do, love customers, and not be afraid to hire people better than yourself. To build a profitable business, you must know how to price properly, track costs, know your numbers, understand contracts, and do the paperwork required. To expand and grow, you have to market and sell, seek referrals, and then present winning proposals. To take your business to the next level, you must learn how to trust people and delegate decisions to them so you can invest your time on high-priority issues. This requires you to get organized and systemized so your people can do what you want them to do. Where’s your business today? Is your business moving toward giving you what you expected when you started the entrepreneurial journey? Business owners had a vision of their perfect business when they started. As they began to grow, they hit the challenges and roadblocks of time, energy, money, people or customers. Many get stuck at the control lever and can’t delegate. Some have organization and time management problems. Some don’t like paperwork or accounting and leave those for later. Others just like to do the work and don’t know how to run a business. In a survey of over 5,000 business owners 48 |
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I conducted at a large convention, the top reasons business owners fail are as follows: 1. Owner controls everything, doesn’t delegate and doesn’t change. 2. Owner doesn’t know the numbers or understand how to run a business. 3. No strong management team or systems. 4. Not enough money to grow. 5. Selling at low prices to win work and customers. Which of these factors are holding your company back from becoming a better business, growing, or making a profit? Most businesses never get to the next level because the owner is not willing to make the necessary changes to make it happen. They get stuck in their “uncomfortable” zone doing the same things over and over, not hiring a strong team, delegating, or putting written systems in place. The perfect business? Imagine owning a company run 100 percent by your management team. You spend only a few days a week in the office while your company makes an exceptional profit and generates lots of loyal repeat customers. The other three or four days, you are free to do what you please — hunting, fishing, golfing, spending time with your family, seeking investment opportunities, giving back to your community, or just doing nothing. All while your company runs smoothly, makes money,
June 2016 • www.masoncontractors.org
and you continue to get paid for being the owner. Now imagine that your company creates lots of other business opportunities to create a financial empire that gives you a generous positive cash flow every month. Does this sound good to you? Ask yourself: • Is your business where you really want it to be? • Is your business headed in the right direction? • What do you really want from your business? • Are you willing to do what it takes to get your business on track? Like many of you, I founded my construction company with only a pickup truck and a few dollars in the bank. With hard work, determination and drive, my business grew to an annual volume of $50 million. I hit my original goal of growing my company every year and became a “big” general contractor in my market. Along the way, I struggled with the same problems all entrepreneurs face: not enough good help, not enough time in the day, not enough profit, not enough patience to get my people to do it right, few organizational systems, and no freedom to do what I wanted to do. Better is better In other words, my customers, employees and company were in control of my time. I had no life away from work. I was busy doing the wrong things. I was working too hard for the The Voice of the Masonry Industry
money. As my business grew, I continued to work more and enjoy it less. Finally, at a crossroads, I realized bigger is not better. My business wasn’t working for me, and I wasn’t getting what I wanted from my company. Finally, I woke up and discovered that better is better! But how do you build a better business? Through trial and error, research, educational seminars, coaching, consultants and books, I discovered the stepby-step business success blueprint to get your business to work for you. Step by step Most business owners start by trying to fix what is broken or urgently needed. For example, when you land more work than you can handle, your tendency is to hire anyone you can find to help you out. You don’t have enough time to interview and screen candidates properly. So you hire the wrong people, put them to work without training, and expect perfect results. To get good results, you need good systems before people can do good work. Great people are an asset, but when each of your employees do things their way, you end up with different and poor bottom-line results. This makes you stress out about hiring people. It’s not your people; it’s the lack of systems and training that causes good people to do poor work. When I started the process of building a better business, there was so much to fix. I didn’t know where to start or have the time to do what I knew it would take. I finally decided to dedicate four hours per week to the process, and I figured it would take five years to get my business on track and the way I wanted it to be. Surprisingly, as I started to install systems, everything fell into place and we were able to improve much faster than anticipated. As we made fewer mistakes and had fewer emergencies, I found more time to work on more of the important issues. Only you know what you want your business to do for you. Only you are holding it back from being what it can become. Take a look at where you are, decide where you want to be in five or 10 years, and then determine what steps to take. Start now by taking the first step out of your “uncomfortable” zone. To get a copy of BIZ-BUILDER Blueprint Worksheets, email GH@HardhatPresentations.com. Let me know your progress. It’s an exciting journey getting your business to work for you. yMAS As a professional construction BIZCOACH and popular industry speaker, George Hedley helps contractors increase profits, grow and get their companies to work! He is the best-selling author of “Get Your Construction Business To Grow & Profit!” available at his online bookstore at www.HardhatPresentations.com. E-mail GH@HardhatPresentations.com to sign-up for his free e-newsletter, join a peer mastermind BIZGROUP, implement the BIZ-BUILDER BLUEPRINT, or get a discount for online courses at www.HardhatBizSchool.com. George Hedley HARDHAT Presentations, 800-851-8553 www.masonrymagazine.com
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T R O W E L
TECH
Jeremy Douglas
Mason contractors across the country face similar challenges when out in the field. With the help of Hohmann and Barnard’s director of technical services, Jeremy Douglas, Masonry delivers answers to some of your most technical, complicated questions. Q. We’ve been seeing larger brick veneer wall cavity spans over the last several years, but the veneer anchors we have been using are still the same. Can standard veneer anchors handle the loads they need to within these larger cavities? A. Sure, I address this issue pretty much every day of the week in one way or another. This has become a major concern for several reasons. First, while the TMS-402 code only requires a 1-inch air cavity, most designers and masonry entities recognize that a larger air cavity is more desirable. Because construction tolerances of the backup and veneer walls typically run at ±1/4 inch, they potentially jeopardize 50 percent of that airspace should they run outboard and inboard of those tolerances, respectively. Additionally, the need for higher R-values in our exterior continuous insulation has increased the span, as has the expanded use of mineral wool insulation to more easily create NFPA 285-compliant assemblies. We also see larger airspaces today to help to better achieve pressure equalization between the air in the cavity and the outside. The same TMS-402 referenced above states that a 4 1/2-inch maximum distance between the inside face of the veneer and the steel framing, masonry, or concrete backing, with a minimum of 1 inch of air space, shall be specified. This means that, currently, we must provide engineering calculations for any cavity 50 |
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spans larger than 4 1/2 inches. What the code doesn’t suggest is any specific performance criteria for any anchors to be held to in order to be considered adequate. The closest thing the masonry industry has to a performance standard regarding anchor load capacities would be Tech Note 44B as published by the Brick Industry Association. 44B suggests we should be working only with ties that show maximum deflections of less than 0.05 inch (1.2 mm) when tested at an axial load of 100 lbs. in tension or compression. Sounds pretty straightforward, right? Well, not exactly. Tw o - p a r t m a s o n r y a n c h o r s often consist of a portion of the anchor fixed to the backup wall a n d a n a d ju s t a b l e t i e , u su a l ly formed from 3/16-inch wire to be embedded in the veneer joint. If we’re considering a performance standard as I suggested above, that standard must apply to the anchor/ tie combination everywhere within its plane of adjustability. As an example, the TMS-402 code allows for 3/16-inch pintle hook anchors to be offset no more than 1 1/4 inches. In evaluating how a standard round wire pintle performs across this 1 1/4 inches of adjustability, testing a standard wall configuration inside the 4 1/2 inches shows us a nearly 90 percent reduction in strength from the point where the pintle and anchor are completely engaged to where the pintle is offset 1 1/4 inches. This hasn’t even taken into account changes in pintle size or
June 2016 • www.masoncontractors.org
When considering a
performance standard for anchors, that standard must apply to the anchor/
tie combination everywhere within its plane of
adjustability. larger airspaces, brick corbelling, or other scenarios where the airspace can potentially become larger than 3 inches. So, to answer the question, a standard masonry anchor may or may not be able to handle the expanded cavity. A lot of factors need to be taken into consideration, which is why the code calls for engineering calculations beyond 4 1/2 inches. You may also see anchors referred to as “high strength” or as being specifically manufactured for “wide cavity walls” to address some of the concerns mentioned above. For now, the only way to be certain is for engineering personnel to evaluate testing that shows the load performance of the anchor throughout its adjustability and specific to the conditions in which it will exist. yMAS Jeremy Douglas, CSI, CCPR, has nearly 20 years of experience in the masonry industry working with veneer systems. He is director of architectural services for Hohmann & Barnard and can be reached at JeremyD@h-b.com.
The Voice of the Masonry Industry
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INDUSTRY
NEWS Stephen Ballenger Named VP of Operations at STIHL Inc. STIHL Inc. welcomes Stephen Ballenger as the new VP of operations in the United States. Ballenger will be responsible for all production operations at the corpoStephen Ballenger rate headquarters in Virginia Beach, Va., where the company produces more than 275 models of handheld outdoor power equipment. He will direct manufacturing, engineering, materials and procurement, logistics, buildings, maintenance and quality assurance activities. Ballenger has more than 30 years of engineering and manufacturing expertise and leadership experience, most recently serving as president of Light Vehicles USA for Metalsa in Elizabethtown, Ky. Previous leadership experience includes positions at Carl Zeiss, Hella and a 15-year career with Bosch North America. Ballenger has an M.S. degree in industrial management and a B.S. degree in mechanical engineering from Clemson University.
Please submit your news and events to: karen@lionhrtpub.com
ingenuity, and craftsmanship exemplify professional mastery in the use of natural stone in commercial and residential applications in six categories. A Grande Pinnacle Award will be presented to the best overall project. Deadline: Friday, July 22. Natural Stone Craftsman of the Year Award. This award honors a craftsman who has physically performed outstanding stone fabrication and/or installation. Deadline: Friday, June 24. Migliore Award for Lifetime Achievement. This award was established to recognize an individual who has made extraordinary contributions to the natural stone industry and the association. Deadline: Friday, July 8. Natural Stone Scholarship Award. This award provides educational opportunities for aspiring fabricators, installers, or administrative apprentices interested in furthering their careers in the industry. The scholarship will cover travel and registration for TISE 2017. Deadline: Friday, July 15. To learn more about the 2016 MIA+BSI Awards Program, including the sponsoring companies, visit www.naturalstoneinstitute.org/ awards.
MIA+BSI Announces 2016 Awards Program Call for Entries
Johnson Concrete Announces Addition of CarbonCure Masonry Technology
MIA+BSI: The Natural Stone Institute is proud to announce the 2016 Awards Program Call for Entries. The MIA+BSI Awards Program honors and recognizes natural stone companies, natural stone professionals, and architects from around the world. The 2016 Awards Program consists of the following: Pinnacle Awards. The Pinnacle Awards are presented to companies whose projects’ beauty, creativity,
Johnson Concrete Company announced the addition of CarbonCure Masonry Technology in its Lexington plant. CarbonCure technology recycles waste carbon dioxide into concrete products, effectively making Johnson concrete masonry units more environmentally friendly. T h e de c i s i on to l i cen s e t h e CarbonCure technology was not taken lightly by Charles Newsome, executive vice president of Johnson
www.masonrymagazine.com
Con c re te . Ne w s om e s a i d , “We completed extensive due diligence into the viability of the technology, and its potential to create value for Johnson Concrete, and we are now pleased to offer our customers concrete products with a reduced carbon footprint.” The CarbonCure technology injects CO2 gas captured from nearby smokestacks into concrete products during the mixing phase. Once introduced into the concrete mix, the CO2 chemically converts into a solid calcium carbonate mineral. Since the gas has been converted into a mineral, it will never escape into the atmosphere. This means that Johnson Concrete will continue to provide high-quality concrete products, and effectively get rid of local air pollution at the same time. The Johnson announcement comes on the heels of Charlotte-based ready mixed company Concrete Supply Co.’s addition of the CarbonCure Ready Mixed Technology. Architects, engineers and developers in the Charlotte metropolitan area now have access to green concrete in both poured concrete and masonry products. In addition to Washington, D.C., Charlotte is the second metropolitan center in the world to offer concrete made with recycled CO2 in both ready mixed and concrete masonry products. For more information, visit http:// carboncure.com.
Allen Named Sales Manager for Blastcrete Equipment Company Blastcrete Equipment Company, manufacturer of mixing and pumping equipment for the refractory and shotcrete industries, announced Bill Allen as its new sales manager. Allen is responsible for helping customers around the world automate their processes with Blastcrete equipment. News continued on page 54
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INDUSTRY NEWS News continued from page 53
Allen is no stranger to concrete and refractory after more than 30 years in the construction business. He worked as a sales manager for BASF, the world’s largest Bill Allen chemical company, for seven years and managed its global sales of dry and wet-process shotcrete equipment. He also served as BASF Construction Polymers’ North American sales manager for more than six years. It was during his time at BASF that Allen gained familiarity with Blastcrete and the refractory industry. He spent more than two years working as the international business development manager for Putzmeister America. Allen studied business at the University of North Texas. He earned a Concrete Slab Moisture Testing Technician Grade 1 certification from the Interna-
tional Concrete Repair Institute as well as a Concrete Field Testing Technician Grade 1 license and an Aggregate Testing Technician Level 1 license from the American Concrete Institute. He is an associate member of ACI Committee 302 for construction of concrete slabs and a member of the International Association for Testing Materials’ Committee F06 on resilient flooring.
CarbonCure Adds Bill Holden to Its Sales Team
New Members The Mason Contractors Association of America (MCAA) is proud to welcome the following new members to the Association. The MCAA would like to thank them for joining their fellow mason contractors nationwide in helping to build a strong and successful masonry industry.
JUNE 2016
William (Bill) Holden, an industry veteran with more than 30 years of experience in the concrete and cement industry, has joined CarbonCure’s team as vice president of William (Bill) Holden sales. Holden will lead CarbonCure’s sales activities as the company continues to experience rapid growth in Canada and the U.S. Holden has more than 30 years of sales and executive management experience in aggregates, ready mixed, masonry, and landscape products. He served as the president of Block USA, one of the leading concrete masonry producers in the U.S, and as president of Couch USA, a major producer of ready mixed, block and building materials serving the southeastern U.S. Holden’s vision for the concrete industry is well aligned with CarbonCure’s. “I’ve been in the cement and concrete industry a long time, and there is an immense demand for solutions that reduce concrete’s carbon footprint,” says the former vice president and director of business development at Roebuck Consulting Group. “The fact that the technology not only makes greener concrete, but also increases concrete’s strength, makes the technology truly a win-win for both business and the environment”.
Axley Law Firm
Western Specialty Contractors Promotes James Norberg
Discover the many benefits your company is missing by not becoming a member of the MCAA. Call 800-536-2225 or visit www.masoncontractors.org/join to join the MCAA today. Together, we are stronger.
Western Specialty Contractors has promoted James Norberg to senior
Madison, Wis. 608-257-5661 www.axley.com Chapter Associate Member
Dave Mejia Masonry, Inc.
El Cajon, Calif. 619-886-0544 www.davemejiamasonry.com Contractor Member
International Masonry Inc. Columbus, Ohio 614-469-1144 Contractor Member
Miller Masonry
Imperial, Mo. 636-296-2034 Contractor Member
North Shore Brickwork and Windows, Inc.
Elk Grove Village, Ill. 847-864-5990 www.bricksandwindows.com Contractor Member
TCC Materials
Mendota Heights, Minn. 651-688-9116 www.tccmaterials.com Chapter Associate Member
News continued on page 59
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June 2016 • www.masoncontractors.org
The Voice of the Masonry Industry
EZ SCAFFOLD
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The Smartest Way to the Top! www.EZScaffold.com
1.800.699.6831
Education Calendar The following is the MCAA’s education calendar: June 1
July 20
September 14
Effective Delegation in Action Location: Online Discipline: Ethics and Business Practices
BIM Deliverables Guide for Masonry Contractors Location: Online Discipline: Bidding Practices
How to Prepare a Professional Masonry Submittal Package Location: Online Discipline: Ethics and Business Practices
July 27
September 21
How Codes Change the Way We Construct Masonry Location: Online Discipline: Codes and Standards
Multi-Employer Pension Withdrawal Liability and the Financial Risks to the Company and Your Assets Location: Online Discipline: Ethics and Business Practices
Credits: 1 Cost: Free
Credits: 1 Cost: Free
Credits: 1 Cost: Free
June 8
Made to Stick — How to Choose the Right Sealants for Your Masonry Project Location: Online Discipline: Masonry Products Credits: 1 Cost: Free
Credits: 1.5 Cost: Free
June 15
August 3
Flashing Location: Online Discipline: Masonry Products
The Impact of Rework on Construction and Some Practical Remedies Location: Online Discipline: Ethics and Business Practices
Credits: 1 Cost: Free
Credits: 1.5 Cost: Free
June 16
Mastering the Details of Masonry Construction (NCMCA Mod 5) Location: Greensboro, N.C. Discipline: Masonry Products
August 10
June 22
August 17
Powerful, Empowering Performance Reviews With No Surprises! Location: Online Discipline: Ethics and Business Practices
Full Contact Project Management Location: Online Discipline: Ethics and Business Practices
Credits: 4 Cost: $250
Credits: 1 Cost: Free
Basic Masonry Estimating Seminar Location: Online Discipline: Bidding Practices
Credits: 4 Cost: $200 MCAA Members, $300 Non-members.
Credits: 1 Cost: Free
August 24 June 29
The Emerging Significance of Continuous Insulation Location: Online Discipline: Masonry Products Credits: 1 Cost: Free
OSHA Investigations Location: Online Discipline: Ethics and Business Practices Credits: 1 Cost: Free
August 31
July 6
Resolution of Disputes Using Alternative Dispute Resolution Location: Online Discipline: Ethics and Business Practices Credits: 1.5 Cost: Free
Communication Between the Structural Engineer and Masonry Contractor Location: Online Discipline: Ethics and Business Practices Credits: 1 Cost: Free
September 7 July 13
Efflorescence Causes and Solutions Location: Online Discipline: General Credits: 1 Cost: Free
A Crystal Ball — Early Warning Signs of Construction Claims and Disputes Location: Online Discipline: Ethics and Business Practices Credits: 1.5 Cost: Free
Credits: 1 Cost: Free
September 28
How to Develop and Implement an Effective Quality Control Program Location: Online Discipline: Codes and Standards Credits: 1.5 Cost: Free
October 5
Scaffold Plank Identification and Inspection Processes Location: Online Discipline: Safety Credits: 1 Cost: Free
October 19
How to Become an Equal Partner With the General Contractor Location: Online Discipline: Ethics and Business Practices Credits: 1.5 Cost: Free
October 26
DOL Regulations Location: Online Discipline: Ethics and Business Practices Credits: 1 Cost: Free
November 2
Seismic Requirements of the Building Code Location: Online Discipline: Codes and Standards Credits: 1 Cost: Free
November 30
Harassment and Discrimination Basics Location: Online Discipline: Ethics and Business Practices Credits: 1 Cost: Free
Online classes available at: www.masoncontractors.org/live For more information and to view a complete list of all upcoming education, please visit www.masoncontractors.org/education 56 |
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2
0
1
6
2016 REGIONAL SCHEDULE
1. Missouri - Wednesday, June 15, St. Louis, MO Call: Craig Kasten (314) 565-4892. 2. Florida - Friday, Aug. 5, Panama City Beach, FL Call: Sam Prater (404) 513-6609 3. Ohio - Saturday, Aug. 13, Cincinnati, OH Call: Brian Tillett (513) 615-4986 4. Utah - Friday, Aug. 19, Salt Lake City, UT Call: Patrick McCarthy (801) 809-9506 5. Oregon - Thursday, Sept. 8, Tualatin, OR Call: Jason Stoddard (503) 332-9919 6. Colorado - Thursday, Sept. 15, Littleton, CO Call: Riley Allen (303) 819-7459 7. Wisconsin - Thursday, Sept. 22, New Berlin, WI Call: Dan Neuens (414) 313-3210 8. Texas (Houston) - Thursday, Sept. 22, Houston, TX Call: Trey Harris (214) 728-4592 9. Quebec - Wednesday, Sept. 28, Montreal, QB Call: Alain Jette (514) 942-1270 10. Pennsylvania - Thursday, Sept. 29, Crum Lynne, PA Call: John Paci (610) 656-1608 11. Louisiana - Friday, Sept. 30, Metairie, LA Call: Larry Theobold (985) 519-7161 12. Ontario - Wednesday, Oct. 5, Waterloo, ON Call: Dean Garbutt (519) 240-7265 13. Oklahoma - Thursday, Oct. 6, Tulsa, OK Call: Carson Wann (918) 230-6124 14. Illinois - Thursday, Oct. 6, Chicago, IL Call: Matt Pfotenhauer (630) 707-8200 or Luke Kisielewski (630) 414-7618 15. Arizona - Thursday, Oct. 13, Phoenix, AZ Call: Dennis Berger (623) 764-8369 16. New Jersey - Thursday, Oct. 13, Clinton, NJ Call: John Mulvaney (973) 229-0201 17. Texas (Dallas) - Thursday, Oct. 20, Dallas, TX Call: Trey Harris (214) 728-4592 18. North Carolina - Thursday, Oct. 20, Charlotte, NC Call: Marty Schiraldi (305) 812-0687 19. Alberta - Friday, Oct. 21, Edmonton, AB Call: Denis Charbonneau (403) 966-4041
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A D V E R T O R I A L
Contractor Tip of the
Month | By Damian Lang
People Are Better Led Than Driven! As I’m writing this month’s tip, I am patiently waiting between events at my daughter Amy’s track meet. I’ve got a big smile on my face, as Amy has won the first two events she competed in. While Amy was competing in the high jump event, between jumps, the high school boys were running a long race that consists of several laps around the track. Not too far from me was a coach of one of the teams competing today. When his runner came around the first lap, he hollered sarcastically at him, “Run, turtle!” I can’t tell you for sure if the boy’s name was Turtle or if the coach was merely trying to drive him to run faster. Regardless, as the race went on, the boy kept falling farther and farther behind. Each time the boy came around the track, the coach would holler, “Run, turtle, run!” I had to hold back tears from laughing so hard. The coach was calling the boy a turtle and telling him to run faster in the same sentence. I’m sure you know that turtles aren’t very fast. So calling the young boy a turtle isn’t exactly the best way to motivate him to run faster, right? Do I need to tell you where this turtle finished in the race, or can you guess? This started me thinking: is he demeaning only this slow runner, or is he doing this to his whole team in some way? If he is doing the latter, turtle won’t be the only loser today; the whole team will lose. The coach or top manager (in many cases, the owner) at most companies is often a workaholic who is willing to drive himself 60–80 hours per week to get the job done. He probably works most weekends, because weekends are just another work day in his mind. Being so driven, these individuals often forget that the soft skills and interpersonal relationships that build morale are what actually holds a successful
business team together — not their work ethic alone. Let’s take top manager Sam, for example. Sam is driving himself as hard and as fast as he can go. He feels that if he can drive himself this hard, everyone else should be able to do the same. He doesn’t ask for others’ advice, input or feedback — this would only slow him down. After all, Sam is driving the bus; he knows where he is going and plans to get there fast. He continues to drive the bus harder and harder and faster and faster, to the point where he has become stressed. Sam’s stress has led to an unintentional arrogance, and he is now making sarcastic remarks to his team members for not driving every hour of every day like he does. To the employees, what used to feel like a team effort now feels like a dictatorship. When Sam turns around in the driver’s seat to see who is left to help him drive the bus, he finds that the seats are empty. The fact is, no one is left on the bus, because Sam drove them past their limits. After he realizes his bus is empty, Sam has to begin rebuilding his team. While many have probably moved on to entirely new positions at different companies, some of his staff remain. But those who remain are not the same as they once were, i.e., while they’re physically coming to work every day, they’re no longer mentally invested in the success of the business. Their energy, drive and passion are gone. It’s a sad but true story for so many companies. As a leader, your leadership style is being evaluated by your people every day, especially during the hard times. Your company’s most challenging times may be due to taking on too much work, a long streak of unfavorable weather, suppliers not producing or delivering on time, or a customer who just can’t seem to be satisfied.
During those times, team members are already stressed out over the situation. This is not the time to drive your people harder than they are already driving themselves. Instead, it is time to listen to their concerns and ideas on how to find solutions to get the job back on track. The leader who leads through inspiration instead of through intimidation will still have his best people in place (on the bus) when the dust settles. And with the best people still in place, the company is likely to see another day to prosper on the next big job. I challenge you to reflect on your own situation: do your employees feel confident enough to approach you with suggestions for improvement? Or are they scared that you’ll throw a fit, humiliate them or — even worse — take it out on them during their next performance review? Are you yelling, “Run, turtle, run”? Make sure you’re leading your people by listening to their concerns and their ideas to make your operation better. With encouragement and a trusting relationship, they will drive themselves. Frankly, this kind of leadership is what the world needs more of. Damian Lang owns and operates several companies in Ohio. He is the inventor of the Grout Hog Grout Delivery System, Mud Hog mortar mixers, Hog Leg wallbracing system, and several other labor-saving devices used in the construction industry. He is the author of the book called “RACE— Rewarding And Challenging Employees for Profits in Masonry.” He writes for Masonry Magazine each month and consults with many of the leading contractors in the country.
All rights reserved, © 2016 Damian Lang, President of Lang Masonry Contractors, Inc., and EZ Grout Corp.
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INDEX TO
INDUSTRY NEWS News continued from page 54 41
branch manager of its Ridgefield, N.J., branch. Norberg joined Western in 2006 as an intern, and in 2008 was hired as a sales/project manager. Over the past James Norberg nine years, he has been promoted to assistant manager and most recently in 2014 to branch manager of the Ridgefield, N.J., branch. The branch services customers throughout New York, New Jersey, Vermont, Maine, Connecticut and Rhode Island.
ADVERTISERS
Advanced Production Mfg.
14-15 MCAA
520.743.4268 www.blockgrinder.com
800.536.2225 www.masoncontractors.org
43
26
Airplaco Equipment
McCausey Specialty Products
888.349.2950 www.airplaco.com
800.365.9663 www.mccausey.com
C3 Amerimix
32
888.313.0755 www.amerimix.com
800.339.2390 www.mdmscaffolding.com
25
33
Architectural Facades Unlimited
MDM Scaffolding Services
Mortar Net Solutions
800.346.0826 www.AFUinc.com
800.664.6638 www.mortarnet.com
52
7, 9
ChemGrout, Inc.
Non-Stop Scaffolding
708.354.7112 www.chemgrout.com
800.845.0845 www.nonstopscaffolding.com
21
39
Ermator USA
Oldcastle / Echelon
855.736.2869 www.ermatorusa.com
844.495.8211 www.EchelonMasonry.com
51 Exaktime
52 PavMor
877.849.5693 www.exaktime.com
413.743.2064 www.paverplacer.com
Schriner, Morrison Join NCMA Engineering Staff
13, EZ Grout / Grout Hog 58 800.417.9272
47 Pettibone
www.ezgrout.com
800.467.3884 www.gopettibone.com
NCMA recently welcomed Craig Schriner as an engineering projects manager — geotechnical. Schriner graduated from The Pennsylvania State University with a B.S. with Highest Distinction in civil engineering. Previously, he was an office engineer for Clark Construction, where his duties ranged from estimating to subcontract management and project oversight. Prior to Clark Construction, he was engaged in several internships which involved the research and design point of views on geotechnical engineering. At NCMA, Schriner will assist the engineering department with promoting the use of concrete masonry and SRWs in the transportation market. Richard “Rick” Morrison has also joined the NCMA engineering department as an engineering projects manager. After graduating from Clarkson University with a B.S. in civil engineering, Morrison spent about a year working in special inspections and construction materials testing. Prior to joining NCMA, Rick also was a staff engineer/projects manager at Froehling & Robertson, Inc., a geotechnical and environmental engineering firm serving government and commercial clients. At NCMA, Morrison will assist the engineering department with various projects and manage association activities related to digital technology tools for architects and designers, including building. yMAS
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www.masonrymagazine.com
EZ Scaffold Corporation
PR Diamond Products
800.699.6831 www.ezscaffold.com
800.445.1967 www.prdiamond.com
52
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EZ Twig/Linovation Corp.
Push Button Masonry
216.559.7841 www.eztwig.com
563.552.2733 www.pushbuttonmasonry.com
2
54
Hohmann and Barnard, inc.
Quikpoint, Inc.
800.645.0616 www.H-B.com
800.368.2292 www.quikpoint.com
31
C4
Husqvarna Construction Products
The Quikrete Companies
800.288.5040 www.husqvarnacp.com
800.282.5828 www.quikrete.com
C2 Hydro-Mobile
5
888.484.9376 www.hydro-mobile.com
252.756.3862 www.scaffoldmart.com
24
1, SPEC MIX, Inc. 57 888.773.2649
IQ Power Tools
888.274.7744 www.iqpowertools.com
41
Kennison Forest Products
Scaffold Mart
www.specmix.com
49
Tradesmen’s Software
888.697.5585 www.kennisonforest.com www.sandslevel.com
800.494.6922 www.tradesmens.com
3
800.274.4121 www.kem-o-kleen.com
Krando Metal Products, Inc.
610.543.4311 www.krando.com
11, 45
Laticrete International, Inc.
800.243.4788 www.laticrete.com/mvis
18
Unique Industries
27 Wirebond 800.849.6722 www.wirebond.com
Get FREE INFORMATION from these advertisers now. You’re busy, but you need to find out about this product. We’ve made it fast, easy and convenient to request FREE information about any product or service in this issue. To request information online, go to: www.masonrymagazine.com. Click on ‘FREE Product Information’ (Right top corner) then… 1. Select the issue of the magazine you are reading 2. Check the box next to the advertiser you are interested in 3. Provide your name, address and business information, and click submit. Not close to your computer? Request information by phone. Dial toll free 888-303-5639, Ext.230. Follow the voice guidelines to request FREE information. In a hurry, and you don’t want to wait? We have provided the advertiser’s website and phone # for your convenience. You can call direct for information on the products and services you have been reading about in this issue. Don’t forget to tell them you saw their ad in MASONRY Magazine.
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C O V E R
PROFILE Eureka County High School Gymnasium Acknowldegements NCMA 2015 Concrete Masonry Design Awards of Excellence, Award of Honor — Commercial
Architect Hawkins and Associates, Reno, Nev.
Block Producer Basalite Concrete Products LLC, Sparks, Nev.
Mason Contractor Construction Development Services Inc. dba Silver State Masonry, Reno, Nev.
Photographer Ag Studio, Sparks, Nev.
Details In Eureka, Nev., the terrain is so rough and mountainous that there were few options for locating a new gymnasium near the local high school. The site available was a neglected, nearly unbuildable piece of land between the existing high school and the community swimming pool. But the challenging site would prove to be a powerful catalyst for the building’s design, according to architect Jack Hawkins of Hawkins and Associates. “The concept was to create a modern interpretation of a stamp mill cascading down the mountainside as viewed from the primary frontage street,” says Hawkins. 60 |
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With a design reference that so respectfully acknowledges the local vernacular, the gymnasium project has its long, west-side elevation buried into the hillside. As a result, the mountain views are unobstructed and the massive gymnasium structure complements the existing school campus without looming over it. Concrete masonry units were specified as a contemporary solution with timeless appeal and for an appearance substantial enough to anchor the project to its site. Integrally colored, standard 8 x 8 x 16-inch CMU are laid in a stack bond. The warm, red color of the block was selected for the exterior as well as the in-
June 2016 • www.masoncontractors.org
terior, and matches the existing high school color. But color is only one of the reasons Hawkins specified concrete masonry units for loadbearing walls as well as in-fill panels. “It is a substantial, fire-resistant, rodent-resistant, long-lasting, low-maintenance material,” says Hawkins. In addition, the concrete masonry walls could be dually employed as shear walls for the project. The material’s durability is especially beneficial for the running track area, restrooms and other heavily used spaces. Hugging the concrete masonry building to the landscape helped the designers enhance its energy efficiency and its cohesiveness with the natural environment. yMAS The Voice of the Masonry Industry
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