Enviro 15 - English Version

Not for sale

15th edition/2015

H IS N GL I O EN ERS V

Enviro ITB ENVIRONMENTAL ENGINEERING ASSOCIATION PRESENTS:

the green guide

Highlight: Green Building: Solution of Global Warming Kilas Lingkungan: Green Roof Convenience and Visual Beauty Around the World: The Best Green Cities in the World Lifestyle: Ecohouse: Requires Many Plants?

GREEN CITIES

Sponsored by: PROGRAM STUDI TEKNIK LINGKUNGAN ENVIRONMENTAL ENGINEERING PROGRAM STUDY FAKULTAS TEKNIK SIPIL DAN LINGKUNGAN FACULTY OF CIVIL AND ENVIRONMENTAL ENGINEERING BANDUNG OF TECHNOLOGY INSTITUT INSTITUTE TEKNOLOGI BANDUNG

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Editor’s Letter Since 1970’s, all eyes focus on environmental degradation. Development in every sectors, including technology, caused crisis on energy and environment around the world.

So, what can we do? How to achieve sustainable development in the future?

‘Green cities’ is the main topic of Enviro 15th edition to answer the questions; it also has been the Earth Day’s theme since 2014. Enviro 15th edition means to give the idea of supporting green cities campaign on daily life, in a simpler way.

Eugenia Agni Dwi H. Editor in Chief Enviro 15th Edition

Happy reading! Get the green guide, think, and do the green lifestyle!

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Gilang STF ITB 2011

Enviro has already give knowledge about environmental problems that happened and it gives good methods to solve that problems.

For the next, I hope it can bring topic about the connection between environmental engineering and geospacial to overcome the existing problems in Indonesia.

Hudan Asharyanto GD ITB 2011

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Priyanka Planologi ITB 2012

Do you want to give your advice, comments, or critics to Enviro Magazine? send your email to: enviro.hmtl@gmail.com

CONTENTS ROUTINE

EVENT

4 Crew

12 Eco project 2015

5 Editor’s Letter

22 Earth Day 2014: Green Cities

6 Dear Enviro

Campaign

46 Photography 64 About TL

HIGHLIGHT

65 About RIL

18 Green Cities

66 About HMTL

24 Green Building: Solution

for Global Warming Issue

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Article Contributors: Fazlur Rahman H., S.T. (TL 2006) Ervisa Mahditiara, S.T. (TL 2010) Anindya Dwi Wulandari, S.T. (TL 2010) M. Adi Septiono (TL 2010) Sitti Fatimah Azzahra (TL 2011) Muhadjadi Bastian (TL 2011) Swietenia Puspa Lestari (TL 2012) Reza Eka Putra (TL 2012)

Freelance: Nadhira Afina W. TL 2012 (photographer) Handayani N. TL 2011 (cover)

Yosefin Retno A. TL 2011 (translator)

Rico Lejiu TL 2011 (translator) Luh Laksmi D TL 2011 (translator)

Cover of Enviro this edition illustrates a city as a puzzle game. A city is called a green city when it applies green aspects on daily basis, such as using wind turbine or solar cell for electricity and providing spaces for trees.

T H I S E DI T

IO N

ENVIRO AT A GLANCE 40

Decreasing Rainwater Run-Off with Low Impact Development Technology

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Green Roof Convenience and Visual Beauty

THIS EDITION

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10 Enviro Calendar 28 Did You Know 30 Profile: Ir. Yuniati Zevi, M.T., M.Sc., Ph.D. 32 Insight: Green Cities in indonesia 35 Around The World: The Best Green Cities in The World 39 You Say So 44 Lifestyle: Eco House 52 Recommendation: Interstellar 54 Did You Know 56 Research/Technology: Waste to Energy

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59 Tips 60 Recommendation: Sarongge 63 Surf The Net

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e ve n t

ECO PROJECT 2015 Conserve Water, Preserve Life

Eco project HMTL ITB was held on Friday-Saturday, January 23rd-24th 2015. Eco project 2015 was a grand event that consisted of 5 main agendas: Desa Mitra, Paper Competition, Mini Seminar, Focus Group Discussion, and Exhibition. The main theme of the big agenda was “Water and Sanitation”, and was delivered due to water and its severe pollution has become a hot headline to be talked about within our

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society and also remembering that society’s awareness on this is rather low. The concept of this grand event is aimed to contribute and support our national goal in Rencana Pembangunan Jangka Menengah Nasional (RPJMN) by the Ministry of Public Works which due to 2019.

Desa mitra Desa Mitra is an annual event held by Himpunan Mahasiswa Teknik Lingkungan (HMTL) ITB. It is a form of community service which based of Environmental Engineering discipline to overcome an issue within a certain selected village. This year, Desa Mitra was held in Cimanggu Village, West Bandung Regency and was held within 3 days, during January 15th-17th 2015. The highlight of Desa Mitra this year was consisted of building sanitation facilities, distributing ransom, recycling, helping villagers at work, assisting children in kindergarten, sewing beads, cooking, classifying trashes, and some other games.

The building of proper sanitation facilities was started at January 8th 2015 and was conducted by HMTL and Cimanggu villagers. This was meant to be one of the major solutions to overcome the sanitation problem within the area. Community empowerment plays a very significant role in community development. It reflects how the related infrastructure meets community’s needs and values and reflects how far they accept it as a serious breakthrough to their obstacle. Society’s understanding and enthusiasm are very fundamental in building a sustainable infrastructure, because the infrastructure is specifically referred to that certain community to develop their lives that they need to have a great sense of belonging to the designed infrastructure. Aside of the society’s value, this agenda also contributed much to HMTL ITB in understanding society’s needs in order to design proper infrastructure based on society’s needs and values with the most emphatic design available.

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PAPER COMPETITION Paper Competition is a national scientific paper competition concerning on “Proper Technology in Sustainable Water and Sanitation Accessibility” which was eligible for high school students across Indonesia. This competition also persuaded Indonesian students to think creatively in order to figure out a proper sustainable solution in water and sanitation matter. The selected finalists are invited to ITB to present their work together with HMTL and related stakeholders in water and sanitation matter. This event was conducted on January 23rd 2015 by inviting 2 teams from SMK Mitra

Industri and a team from SMAK Bogor, and a team from SMAN 6 Banjarmasin. All of them presented their final work and only 3 selected ones invited to Mini Seminar and have privileged to present their innovations in the final round (January 24th 2015). SMAN 6 Banjarmasin succeeded in getting the first place in this competition, with their research of “A Simple

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Approach of Neutralizing Acidic Peat Water in South Borneo”. This technology they designed was able to treat water from pH 3.5 to pH 7.9 by flowing the raw acidic water to a filter media which from bottom to up consisted of Enau fibers, sand, Enau fibers, combustion ash, Enau fibers, Alaban charcoal, Enau fibers, and limestone. This technology was only cost Rp 60,000.00 because the filter materials were actually pretty easy to get from the local area in Martapura river and peat area in Marabahan, Barito Kuala. Its simplicity and effective efficiency have brought this project to be the best practical solution to overcome local water scarcity in their area.

MINI SEMINAR Mini Seminar was held in Civil Hall, Bandung Institute of Technology on Saturday, January 24th 2015 and was taking the theme of “Increasing Water and Sanitation Access in Indonesia”. This seminar was meant to educate the participants about our national water and sanitation issue, to give them an understanding of government’s regulation in order to increase our national water and sanitation capacity, and to give them a real picture of the efforts that we can possibly do in supporting this matter.

This Mini Seminar was divided into 3 sessions.

The first session was more concerning on “Government’s Regulation in Optimizing the Utilization of Water Resources” and was inviting Ir. Mochammad Natsir, M.Sc (Director of Water Development, Ministry of Public Works) as the speaker. The second session was about “Government’s Regulations and Innovations in Developing Sanitation Access in Indonesia” with Ir. Maliki Moersid, MC (Director of Environmental Health Development, Ministry of Public Works) and Ir. Sri Bebassari, M.Si (Chairperson of Indonesia Solid Waste Association) as the speakers. During this seminar, there was also a declaration made by Environmental Engineer Student Delegates which was firstly debated during the Focus Group Discussion, regarding to the topic of providing the 1000-100 target (100% of clean water access, 0% slum area, and 100% of proper sanitation access in Indonesia).

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Focus Group Discussion (FGD)

This agenda was aimed to build an agreement within Environmental Engineering students in Indonesia from several universities regarding to water and sanitation issue. This agenda was a stepping stone in the succession of RPJMN target in Indonesia. RPJMN is a middle-term target of Indonesia in providing 100% clean water access, 0% slum area, and 100% proper sanitation facilities for Indonesian inhabitant by 2019. The agreement of this FGD was then declared during the Mini Seminar.

This year FGD was pointing out more on “Applicative Solutions in Providing Water and Sanitation Access in Indonesia� and was enrolled with Environmental Engineering students from Tenth November Institute of Technology (ITS), University of Indonesia (UI), Airlangga University (Unair), Pasundan University (Unpas), Surya University, and Trisakti University. By holding this FGD, we were hoping that Environmental Engineering students will possess a willingness to develop sustainable infrastructure in the term of water and sanitation field.

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exhibition Exhibition was held on Saturday, January 24th 2015 in Lapangan Cinta, ITB. This event was performing the projects that has been done

by HMTL, Paper Competition finalists, and related stakeholders: IMTLI, Greeneration, and UGREEN. There was also interactive games and infographics, like 3D Bandung Map, ‘Where is My Water’ Game, and Garden Gate. The 3D Bandung Map was showing Bandung’s water and sanitation facts. Other than exhibiting the previous projects, there was also band performance from HMTL and other fraternities in ITB: Envoice, HMT Band (Minecoustic), Band of Patra, and Red Carpet band.

The 2015 Ecoproject was then closed by a flash mob from the organizers and a closing speech from Ecoproject’s President, Ajeng Khrisnasari and from the President of HMTL, Dimas Haryo Adi Prakoso. This event was hoped to be an inspiration for young generation to take care of our environment and resolving any of its issues wisely. ECO PROJECT 2015: Conserve Water, Preserve Life!

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hi g h li g ht

Green CITy

By: Sitti Fatimah Azzahra TL 2011 18

“…Green City concept can be interpreted as a metaphor of achieving a sustainable development in a city scale.

Simply, this concept promotes an ecologically friendly concept to balance social aspect, economy, and other dimensions in building synergy in the city.”

New York City (source: ajklijs.wordpress.com)

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ustainable Development has become a major talk nowadays. This terminology was originally introduced since 1987

by World Commission on Environment and Development and was originally aimed to a development that considers today’s needs and its perspective to our future needs. Since then, this terminology is being broadly used in every development, both on national and international framework.

One most real picture of sustainable development of today is that there are a lot of people competing to build infrastructures that pointing out more on environmental aspect, which commonly called as Green Building.

And driving from all these, currently, there has been quite number of cities that emphasizing on eco-development as its basis in developing their cities. There are also issues of Global Warming, Fossil Fuel Scarcity, and Rapid City Development which contribute huge portion of Green City’s hit today.

So now, what is the concern in building Green City?

According to Waren Karlenzig in ‘How Green Is Your City’, there is certain strategic cycle in planning and building the Green City. These bullets cannot be implemented singularly. It is a chain that makes a sustainable cycle that we have to take a good care of in building a sustainable Green City.

In the 48th ISOCARP Congress 2012, the Green City concept was interpreted as a metaphor in achieving a sustainable city development.

Briefly, this term is actually a work of promoting the concept of eco-friendly development which balances the aspects of social, economy, and other environmental dimensions at once, in order to synergize the city governance and development.

In the last few years, Indonesian Government has already considered Green City concept as one innovation that able to measure and overcome our obstacle in developing our cities, parallel to the point that urbanization degree in Indonesia is high. Focusing on that, in 2011, the Ministry of Public Works has introduced a program that will gradually change our approach on building our city to the phase of orientating into economy efficiency, ecology preservation, and social justice. This program called Green City Development Program (GCDP).

Green Plannning Design Green Community

Green Building

Green Open Space

8 attribute of Green city

Green Waste

Green Transportation

Green Energy Green Water

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green cities concept in indonesia Since 2011, there has been 60 out of 491 regencies and metropolis in Indonesia that committed in joining the Green City Development Program. These regencies and metropolis has met and declared their participation and has explained their way to implement the concept of Green City.

In order to make it an effective movement, government of those regencies and metropolis has consolidated their master plan and detailed engineering design in building open green space, green map, and collaborated together with green community in conducting public campaign and implemented best practice as their baseline of work.

As the matter of fact, there are numerous obstacles in the implementation of Green City.

It might have been too early to say that this concept is ineffective in driving our society to a modern-green-lifestyle. Our first obstacle will be the people who understand about the concept of Green City are not simply able to deliver this concept to the society they want to work with. Secondly, the integration between planning, design, and implementation is a rather difficult thing to do and has to be complemented with several social approaches. And last but not least, the commitment and capacity of implementing this issue is not familiar enough to our society, besides there is no enough region budget and policy to facilitate this.

We all certainly know that urbanization in Indonesia is very rapid and unstoppable. So, why not making the most out of it in the city? Implementing the concept of Green City is a great investment. The Green City Concept is also a dedication in making a sustainable synergy in policy, design, and implementation. As a responsive tool, Green City concept guarantees the making of an ecologically friendly state of living.

Proficiat!

Green transportation (source: cincinnatitransforum.org)

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SUMBER: BESTSOCIOLOGYPROGRAMS.COM

e ve nt

Earth Day 2014: the green cities

campaign

Today, more than half of the world’s population lives in cities. As the urban population grows and the effects of climate change worsen, our cities have to evolve.

It’s time for us to invest in efficiency and renewable energy, rebuild our cities and towns, and begin to solve the climate crisis. Over the next two years, with a focus on Earth Day 2014, the Green Cities campaign will mobilize a global movement to accelerate this transition.

Join us in calling for a new era of green cities- Earth Day Network

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earth Day is celebrated annually on 22 April. Earth Day was held first on April 22, 1970 in the United States. The initiators is Gaylord Nelson, an US senator from Wiscosin who also teaches about environment. Earth Day is a campaign to encourage people’s care for the environment, increase awareness and appreciation for the Earth planet as the human habitation. The implementation is organized by the Earth Day Network’s, an organization composed by NGOs around the world. Earth Day has a campaigns theme that is different year after year.

In 2014 Earth Day launched the Green Cities Campaign to help cities around the world become more sustainable and reduce their carbon footprint. Focused on three key elements – buildings, energy, and transportation – the campaign aims to help cities accelerate their transition to a cleaner, healthier, and more economically viable future through improvements in efficiency, investments in renewable technology, and regulation reform.

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Energy Most of the world currently relies on outdated electric generation structures that are extremely inefficient and dirty. To help cities become more sustainable, we need to redesign the current system, transition to renewable energy sources, and implement 21st century solutions green building Buildings account for nearly one third of all global greenhouse gas emissions. Through simple efficiency and design improvements to buildings we can reduce those emissions drastically. To realize that vision, cities need to update ordinances, switch to performance based building codes, and improve financing options.

Transportation Transportation is the fastest growing source of greenhouse gas emissions worldwide, three quarters of which comes directly from road vehicles. To reduce these emissions and the resulting smog, we need to improve standards, increase public transportation options, invest in alternative transportation, and improve city walkability and bikeability.

Through an informative website and a series of in-depth toolkits, the campaign will educate the public about each element of green cities and spur individuals to take civic action by signing petitions, sending letters, and organizing events.

In addition, Earth Day Network will work with partners on the ground in strategically placed cities and towns to organize grassroots efforts to improve local codes, ordinances, and policies that will help cities become model green cities. (source: www.earthday.org/greencities/)

Various events to support the Green Cities Campaign was held in many cities around the world.

One of those event was hosted by the Chemical Engineering Society of Kuwait. They will hosting a beach clean-up event. The event also include a student contest in which they will be making art projects ou of waste. The event will encourage recycling by providing proper bins for clothes, plastics and old electronic devices.

In Indonesia, Earth Science and Technology Faculty (FITB) of ITB cooperated with National Geospacial Information Institute / Badan Informasi Geospasial (BIG) Nasional to hold the Geography and Geoscience Olympiad event. The event include the high school students in Indonesia to celebrate Earth Day 2014. That event was aimed to persuade ITB and society to realize and take care of our earth.

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hi g h li g ht

GREEN

BUILDING

By: Swietenia Puspa Lestari TL 2012

SOLUtion of GLOBAL WARMING issue

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Green Building S Widjojo Center (Sumber : www.indoplaces.con)

“Green Building or Eco-Friendly building is defined as a building which built and operated with low impacts on environment and as well as on economy.“

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lobal warming has become a major discussion all around the globe.

There have been numerous ideas and efforts in decreasing the impact of global warming. Did you know that the concept of Green Building is one of its breakthroughs?

Green Building or Eco-Friendly building is defined as a building which built and operated with low impacts on environment and as well as on economy.

Besides that, Green Building is also concerning on its impact on human’s health, welfare, and residents’ standard of living. The term of “Green Building” is also referred to all the efforts in maintaining an eco-friendly environment through ecologically friendly processes and efficiency in resources allocation during design period to demolition process.

So, how does Green Building actually work?

The major purpose of Green Building is to lessen the impact of environment to human’s health. There are several things we need to underline regarding to this issue.

1 2 3

The use of energy, water, and other related resources.

From all those 3 underlined issues, we can emphasize on 4 key points on a successful Green Building, which includes : Resources, Energy, Water, and Health.

From those 4 key points, it indicates the benefit of Green Building concept that can be a solution for global warming issues. Not surprised that Green Building Council suggested Green Building concept for urban development.

Green Building Council Indonesia has declared that a sustainable Green Building will save over 50% compared to conventional building. Green building is very benefiting us in the term of enriching ecosystem’s biodiversity, improving air quality, and reducing possible waste generation. In the term of economy, Green Building also drives to a less operational cost, to a market creation and enlargement, and to an optimum economy cycle. In social affair, Green Building also contributes to a better health, welfare, and improvement in standard of living.

Protecting residents’ health and employers’ productivity.

Reducing pollution and environmental degradation.

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Even though Green Building philosophy has been developed since 1970, the negative stigma over its expensive capital cost is still echoing within the society all around the planet. If compared to our neighbor, Singapore, Indonesia is still left behind.

The implementation of Green Building in Indonesia is actually has been started since 1978 with S. Widjojo Center Building as its first successful Green Building. It applies Glass Reinforced Cement (GRC) as its windows’ material, that the sunlight does not interact directly to the glass, which makes the room temperature lower and more efficient in air conditioner usage. It is located at Senayan, Southern Jakarta Area.

The weakness of this technology is that we cannot see through the window clearly. But nowadays, there are several advanced technologies that can do both sun redemption and a clear vision to the outdoorsy, like the use of Smart Glass. The major obstacle for Green Building revolution in Indonesia is the capital cost, which performs 5% higher than the capital cost of conventional building.

69 kW photovoltaic Existing building array supports carbon slabs were preserved neutrality as efforts and reused as sideas ASU walk pavers

According to The Best Green Building 2014 by Architectural Digest, Arizona State University Student Health Services is the greenest building in 2014. It implements so many ecologically friendly facilities, which includes rain harvesting, recycled grey water, and already been concerning on 4 aspects of Green Building : Material, Energy, Water, and Health. London’s Gherkin Building and one Green Roof at Nanyang Technology University are also great examples of successful Green Buildings.

Other popular green building in the world are London’s Gherkin Building and one of building in Nanyang Technology University which has green roof.

Semi - private healing garden serve as wating areas for patients

Large overhangs allow daylight, reduce heat gain

Native landscape replaces 10, 000 sq.ft of turf grass

Rain chains and cisterns capture rain water

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ARIZONA STATE UNIVERSITY, STUDENT HEALTH SERVICES (Source: www.architecturaldigest.com)

Source : www.eai.in

HOW TO MAKE YOUR BUILDING GREEN Rainwater harvesting system in the roof can collect water to be used to flush toilets

Solar panels can heat bath water Wind turbines on the roof can be used to generate electricity

Consider your home’s orientation to the sun to harness energy or to shield it from heat

Use compact fluorescent lightbulbs which use 20% less energy than incandescent bulbs

Rainwater channelled into water butts can be used to water plant or wash car

Use composting to reduce waste and help your garden at the same time.

Most food scarps and biodegradable produce nutrient rich fertiliser

Non-toxic paints should be used on the wall.

These use water-rather than petroleum-based solvent and do not emit smg -producing pollutants

A rain garden can help reduce storm water runoff Native landscaping requires less irrigation and maintenane

High efficiency insulated glass Motion detectors windows reduce can be used to switch off light if energy use there is no one in the room

FIGURE CONSCIOUS

Energy savings in green buildings could range from 20 per cent to 30 per cent ; water savings from 30 per cent to 50 per cent

Energy efficient appliances reduce power use

Duals-flush toilets help conserve water with controlled water outlet options.

Use grey waters from bath sinks , kitchens and washing machines to flush lavatories

A green building can cost between 5 and 10 per cent more to build than a regular building, but these costs can be recovered in just 2 years in power and water savings

Other than S. Widjojo Center Building, Indonesia also has other Green Buildings since early 2014. There are 7 new buildings that has successfully been certified

by Green Building Council Indonesia, by pointing out more on 6 aspects : appropriate land use, energy efficiency and conservation, water conservation, material source and cycle, air quality, and space comfort.

Those 7 buildings are : Kantor Manajemen Pusat (KAMPUS), 1 Gedung PT. Dahana (Persero) 2 Institut Teknologi Sains Bandung (ITSB) 3 Gedung Kementerian PU, Jakarta 4 Kantor Bank Indonesia, Solo, Jawa Tengah 5 Menara BCA PT Grand Indonesia, Jakarta Sampoerna Strategic Square, PT. Bua6 Gedung na Sakti, Jakarta 7 German Centre Indonesia, Tangerang Gedung Kementrian Pekerjaan Umum (Source : www.rumah.com)

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p r o f i le

-Ph.D., 2008, Cornell University: Biology and Environmental Engineering -M.Sc., 2003, Cornell University: Biology and Environmental Engineering -M.T., 1997, Bandung Institute of Technology Indonesia: Environmental Engineering -B.S., 1991, Bandung Institute of Technology Indonesia: Environmental Engineering

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Environmental Engineering scholarly has its own role in city development. Dozens of environmental issues happening in cities have made ”green city” as development goal to be achieved by cities government, especially in developing countries. Water management in a city can be an attempt to actualize green city.

Green cities principle related to water management are reuse and also recharge. Reuse can be applied to wastewater, while recharge applied to rainwater run-off.

Mrs. Yuniati as an ITB Environmental Engineering lecturer expertise in clean water had done several research about water recharging in urban area to reduce rainwater run-off so it won’t flow directly into urban drainage system, but instead inflitrate into the soil and become groundwater.

What are the research?

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Rain Garden

Rain garden is one way to reduce rainwater runoff entering into urban drainage system by storing rainwater coming out from every building roofs, then let it infiltrate into soil. With this, runoff which flow into urban drainage system may be reduced up to 88%. If the rain is not heavy, the reduction may increase to 100%.

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Bioretention

Using same principle as rain garden, the difference lies on the application. Bio-retention may be applied everywhere such as along the highway.

Retention Pond and 3Reservoir

In principle, both retention pond and reservoir are the same, which is storing water. But in terms of size and function, there is a difference between retention pond and reservoir. Reservoir usually bigger than retention pond. For example, reservoir at Jatinangor which sized 1 acre.

This reservoir is dammed with certain slope, therefore water flowing from upstream can be stored and flood at downstream may be prevented. As for function, retention pond is used for infiltrating previously-stored water, while reservoir is used for raw water resource only.

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Infiltration Well

Infiltration Well can also be used to infiltrate rainwater and may be built in every houses with relatively small size, usually 1x1 meter. Infiltration well is build in form of a hole with certain depth, then filled with gravel or other certain material with more pores. Then on the top is made such park so people would think of the infiltration well as ordinary park. In the construction process, the septic tank’s location need to be put into consideration so the well won’t be contaminated by the septic tank.

Bandung as one of the big city in Indonesia has started to make example of technologies which made Bandung into Green City. Preserved and even always added green areas, drainage system repairment, and retention pond construction at city park. But the benefits has not fully perceived since the constructions are still just example and not comprehensively done in Bandung city. Flood oftenly happened at South Bandung is a hindrance for Bandung becoming Green city. Other than the reason that South Bandung lies on cavity area, which make water easily logged, there are also environmental issues such as land conversion at river upstream into crops, riverbanks conversion into settlement, and waste pile in river which cause flooding. Therefore, socialization for communities is necessary so they may help in water management and solving environmental issues such as flooding, or even restoring river function to its former purpose

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i ns i g h t

By: Reza Eka Putra TL 2012

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ar ound the wor ld

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By: Anindya Dwi Wulandari, S.T. TL 2010

Vauban Freiburg Germany (image:eco-question.com)

Reykjavik (image: ec.europa.eu)

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North Harbour Copenhagen (image: ec.europa.eu)

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Songdo Waste Treatment Plant (image: earthday.org)

Songdo City (image: dosomething.org)

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Vaxjo (image: greencitytimes.com)

DREAM green

Muhammad Juffalyono Environmental Engineering Kassel University, Germany

you s ay s o

cities?

Environmental friendly city means a city able to make environment as most influenced factor of life balance in a city, especially to its people’s awareness and also to public facilities need to be provided such as clean water, wastewater treatment and waste treatment, either organic or anorganic waste.

Firmness and support from government as well as good contributions from community to create environmental friendly city are necessary. Moreover, it is necessary to build enough green open space so that air pollution in the city may be kept to minimum.

Greencities of my dreams is environment friendly and sustainable city, where exist high efficiency for every systems inside, either transportation, building, energy, or community behavior.

Chalisha Dwiriastya Planologi ITB 2011

Luthfan Nur Azhim Petroleum Engineering ITB 2011

Actually not only a green city, but more to implantation of concept about attempt to preserve environment by developing and utilizing environment from the city itself to achieve convenience in human activities and productivities inside. Therefore in fact greencities may be properly implemented if the people inside understand and aware about the importance of nature’s presence around them.

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e nvi r o a t a g l a n c e

Decreasing Rainwater Run-off with Low Impact Development Technology “In general, LID is defined as rainwater management technology which serves to lower impact from pollution and rainwater run-off volume enchancement by managing water on its closest precipitation point�

Oleh: Fazlur Rahman Hassan, S.T. TL 2006

u

rban growth has increasing significantly within this century. Report from UN declare that in 1950, 30% world population located in urban area. In 2014, world urban population reached 54% and projected to reach 66% by 2050. Urbanization gives positive impact to national economy by decreasing poverty and increase public welfare.

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On the contrary, urbanization also gives negative impact and distinctive challenge in rainwater management. Research shows that urban land development caused by urbanization will increase rainwater run-off volume. Rainwater which used to infiltrate easily into the soil is now unobstructed by pavement and concrete building. Increasing in rainwater run-off volume may cause erosion, flood, water quality degradation, and impact on ecosystem health.

One of solution fot these problem is by applying Low Impact Development (LID) technology. LID terminology usually used in USA and Canada, but LID also called sustainable urban drainage system in England and water sensitive urban design in Australia. In general, LID defined as rainwater management technology serves to decrease impact from pollution and rainwater run-off volume enchancement by managing water on its closest precipitation point.

Green roof, rain barrel, vegetated swale, permeable pavement and rain garden are several example of LID application. LID technology such as green roof and rain garden uses plant vegetation in the design. This gives several benefit such as increasing clean air quality, decreasing urban heat, decreasing climate change impact, increasing property value, and increasing urban aesthetics.

Example of succesful LID implementation in reducing rainwater run-off shown by Green Glade Sr. School at Mussissauga, Canada. This school transform part of the land inti rain garden. This rain garden installation succed in managing 320 m2 rainwater run-off from building rooftop and parking area. Moreover, rainwater infiltration happen within 24 hours so that it decrease the risk of mosquito breeding. This school is only one of many succesful stories of LID technology application in Canada. Looking at this, LID technology seems to offer tangible solution to decrease flooding issues in many cities in Indonesia, right?

Rain Garden is the LID technology applications that build green park located on a residential yard.

Vegetasi swale is an application technology of LID which is designed to be able to absorb water into the soil by natural infiltration through a drainage channel, where the channel is made of soil .

Rain barrel is the technology and application of LID to make tubes that used to collect rain water for daily use in the household, such as watering plants, washing cars, etc.

Green Roof is a vegetation area which is part of the roof of a building. This technology consists of plant growth media, the layer filter / filtration. drainage layer, a layer of waterproof and vegetation.

Permeable Pavement is the technology and applications of LID to build a pavement that can be applied in a sidewalk, street, and parking area located inside and outside the house, which was built from pores to absorb water into the soil below.

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e nvi r o a t a g l a n ce

32

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By: Muhadjadi Bastian TL 2011

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l i f e s t yle

By: M. Adi Septiono TL 2010

1

Eco-house looks magnificent, or even better, they are also environmentally friendly. Don’t you wanna have one?

Reducing load for cooling system

In a tropical region like Indonesia, heat source is a load that needs to be cooled down. This problem is ubiquitous among houses and people usually opt to use air conditioner to solve it. One of the most effective ways to build a roof featured on image. Hence, the house will not easily heat up.

House of Mayor of Bandung, RidwanKamil (source: Movalino, Accery. 2014. Presentation Slide: Konsep Eco House – RumahBotolRidwanKamil)

ECOHOUSE

Types of Roofs (source: www.rrcap.ait.asia)

2

Rain water usage

Utilization of rain water or usually know as rain water harvesting is very handy in increasing water usage efficiency.

This concept is very effective to be implemented in places with high rain frequency. For example, one of the houses in India, which was designed by architect from Earth Studio.

Rainwater Harvesting shape efficiency and air circulation (source: www.archdaily.com)

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5

Maximize sunshine as lights and usage of waste as building material or accessories.

Several houses use window that is big enough that it can maximize sunshine penetration into the house. This is done to reduce lamp usage which will need electricity. There are also some that combine it with other materials such as houses, for instance, Bandung Mayor, Ridwan Kamil

4

Rain Garden Concept

Rain garden is an area around the house that is full of plants in order to reduce amount of rain water that enters the drainage system.

Rain garden is one of the technologies that embraces the sustainable drainage system concept.

REQUIRES MANY PLANTS?

G

reen Building or environmentally friendly building is a structure that has many purposes such as the efficient usage of energy, and the proper usage of material and natural resources.

This concept is also implemented in ecohouse. A house that uses environmentally does not always require to have many plants and trees to greenify areas surrounding it. Several concepts that can be implemented in ecohouse are:

Rain Garden (source: vault.sierraclub.org)

3

Maximize sunshine as energy for solar panel roof

There are houses that implements ecohouse concept by using solar panel roof, but the construction is built similar to an ordinary house.

Energy that is gained then is used for water heater, heating system, for lighting,etc.

Houses with solar panel roofs (source: www.ecohousesinfo.com)

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p h o t o g ra phy

46

“Cycling” Agung Kusumawardhana

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p h o t o g r a phy

“Help Me” Nadhira Afina W.

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“Our Roof” Aghnia Qinthari

“Man’s Art” Renata Maharani

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p h o t o g r a phy

“Healthy Morning” Aghnia Qinthari

“Smart Drain Kaysha Flo

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nage” oren

“Corner of My City” Nadhira Afina W.

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r e c o mm e n d a t i on

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INTERSTELLAR ARE WE READY TO LEAVE THIS EARTH? “Human is born on earth. However, human is not destined to die there.�

(Cooper, Interstellar)

C

ooper (Matthew McConaughey) is a farmer, engineer, and also a pilot who has a duty to save humanity from catastrophe.

The catastrophe involves the pest plague, which attacks natural resources of human. The result of that plague is crop failure everywhere, forcing human to survive with the lack of food. The worst-case scenario is in a few decades there will be no natural resources that can be consumed by human.

Cooper rejected the mission at first, he is afraid that he would fail to come back to Earth because NASA has not yet fully comprehend the situation and condition of the galaxy behind the Saturn wormhole. Moreover, NASA prepares two new plans for him, which is find a new planet and come back to earth or leave earth and builds a new colony. However, there was no other way to save humanity. Cooper finally decided to leave his family to conduct interstellar mission. We will be served various interesting events based on accurate astrophysics equation made by an astrophysicist expert Kip Thorne.

Based on the tiny chance to save the earth, NASA develops an interstellar exploration mission to look for a new earth by sending a space shuttle into the wormhole, which is a hole to compress time. The wormhole suddenly appears near Saturn. Cooper has been assigned as a pilot to accompany several scientist led by Brand (Anne Hathaway).

Interstellar was the latest project of director Christopher Nolan who was famous through his works such as Inception, Memento and The Dark Knight Trilogy. Christopher Nolan with his brother, Jonathan Nolan brings his audience to get a taste of exploring outer space via wormhole phenomenon and black hole. Through this movie we are invited to ponder whether we are ready to leave this earth that we love someday.

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re se a r c h/ t echn ol o gy

By: Ervisa Mahditiara, S.T. TL 2010

WASTE TO

Energy Foto: http://www.elp.com

Many people would claim that waste has no use. But, who knows that waste actually can be turned into energy? The technology to convert it is called Waste to Energy.

T

Waste to Energy technology is one of the technologies to treat solid was through waste incineration which will result in electricity or heat through burning process of the waste itself. Aside from its benefit in reducing waste significantly, this technology also produces heat/ steam/electric energy, which is useful city demand for energy.

According to an article written by Stringfellow and Witherell in 2014, Waste to energy includes several technologies such as thermal and non-thermal technology. Thermal technologies are combustion, gasification, and pyrolysis whereas one of the most renowned non-thermal technologies is anaerobic digestion.

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1. Combustion

Combustion has been applied in various countries for a long time. Principle of combustion is to burn all waste until we are left with incombustible material at around 850째. Initially, waste is collected then separated to be combusted in combustion room. The heat produced from combustion process is used to convert water into steam and then the steam is flowed into a generator to produce electricity. Combustion process reduces waste volume up to 90% with residue in form of ash and metal.

Coke limestone

2. Gasification

Refuse

Gasification is a solid waste and its biomass treatment system using high temperature (540째C - 1540째C) in limited oxygen condition resulting in synthetic gas, tar, oil and solid such as ash. In gasification process a small amount of oxygen available is used to create a type of gas for heating. The fuel for gasifier is fossil fuel, but other types of fuel for instance, waste as fuel is also being developed.

Combustion gases

3. Pyrolisis

Pyrolysis is a technology, which works similarly to gasification. However, in pyrolysis no oxygen is needed. The temperature used is above 400째C with thermochemical process and from this process syn-gas, ash, and oil will be produced. They will later be used as pyrolysis fuels.Syn-gas produced is usually converted to hydrocarbon such as biodiesel whereas the by-product such as carbon, ash, or charcoal.

Free board (Gas reforming zone)

Tertiary tuyure

Partial Fluidized layer (Drying and Pyrolysis zone) Moving bed (High temp, combustion and melting zone)

Sub-tuyure

Coke bed (Molten slag & metal separation zone, Molten metal basin)

Main tuyure

Slag and metal

JFE

JFE-Waste to energy technology

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Many countries have used technologies explained above to reduce the amount of waste they have to store in landfill and instead it is used as reserved energy supply. Japan is one of the countries with the best waste to energy technology.

Jepang

Japan is a country whose waste to energy technology usage is the biggest in the world with the majority of technology used being gasification. In Japan there are 310 waste treatment unit based on waste to energy with total electricity generated 1.673 MW in 2009.

According to a journal by Themelis and Mussche published in 2013, over 84% waste in Japan, which is equal to approximately 40 million wastes per year, has been converted successfully to electricity whereas the rest of it was recycled and stored in landfill.

WTE Plant in Japan

a d va n ta g e s

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d i s a d va n ta g e s

It reduces up to 90% of waste volume.

Hence, it left less amount of land to be used for landfill

It created negative impression to society because of the toxic gas emission

It has good adaptibility to treat various types of waste

It is usually more expensive than treatment with landfill

The advantages and disadvantages above should help us realize that we need to be able to think and decide whether a technology is appropriate and should be developed in our country because problems with waste are not only concerning the government or private, but also impacts all segment of society that are also contribute to the increase of total waste produced.

Waste problem is not just a problem for the government, but all the elements of society involved in the increasing amount of trash. Perhaps it is a good idea to advance the management of garbage start from the main sources that is us, before it need more fund and give great impact by entering into further processing stages. But,it all comes back to us. Do you want to move to a better way?

tips

HOW TO MAKE GREENROOFS

G

reenroofs are built in accordance with other roofs in general, but it is more environmentally friendly, durable and valuable.

The steps to design extensive greenroofs are by coating the roof with several layers, which are:

1

Roof is built in order to hold extra load according to standard. Also pay attention to the specification of roof standard such as structural load, waterproofing and drainage.

Install joist on roof that are going to become greenroofs. Joist should be put in before early coating and on the sides of greenroofs. These joists can be in form of wood board with width of approximately 5 cm.

Add waterproof coating to roof that will function as holder of water run off so that it cannot enter the roof structure. This layer can be in form of asphalt, single-ply rubber membrane (for example EPDM rubber), or regular PVC rolls with minimum width 1 mm.

Root-supporting layer is made so that the root formed will not ruin the waterproof layer. It is in from of concrete or cellular glass. If the waterproof layer has already used EPDM rubber, the root-supporting layer does not need to be made.

Drain mat is a layer, which is useful for water movement that is absorbed by plants on green roofs. It can be gravel layer, which has high porosity; hence the water is able to flow.

2

3

4

5

Filter cloth is s layer to separate the holding media and plant growth media. The filter which is used will be very thin,but strong and has high absorption capacity to make sure that water flow from plant growth media can enter drainage system.

7

Growing medium is a layer for plants to grow. It can be made out of soil composition mixed with sand, fertilizer, clay, organic substances and rocks. The thickness of this layer is merely around 2 cm.

Tanaman, dapat berjenis

tanaman lumut, rumput-rumputan.

6 8

Greenroofs is built just like other roofs in general.

However, it is more environmentally friendly, durable, and valuable.

These are some of the benefits of greenroofs: 1. It reduces heat absorption in buildings 2. It decreases greenhouse effect level 3. It contributes to the management of rainwater 4. It maximizes the usage of open spaces (image: greenestate.co.uk) Sources: http://environmentaltopics.net/green-roofs-bringing-nature-to-your-doorstep/ http://architectaria.com/mewujudkan-green-roofing-untuk-rumah-yang-asri.html http://greenroofindonesia.com/gri/mengenal-atap-hijau/kerangka-instalasi-atap-hijau/jenis-tanaman/ http://www.archsd.gov.hk/media/11630/green_roof_study_final_report.pdf

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r e c o m m e n d a t ion

STORY OF THE FOREST, HUMANS, AND THEIR LOVE

60 Source : www.goodreads.com

“Rain falls heavily, flower blooms on the side of the forest. The peak of Gede is still as blue and soaring. The fog comes and goes, every day. Nevertheless, it is no longer the same. For there I see your face and it also reserves the warmth of your laughter. Are we falling in love?” Chapter 1: Sarongge)

a

bove is a quote from one of the poems in Sarongge. It is a novel written by Tosca Santoso, a journalist and an activist of human rights and environment, who is now known as the founder of Radio News Office 68H (KBR68H) and Green Radio.

Sarongge is actually a village nestled at the foot of Mount Gede, West Java. It is located in elevation of 1500 m above the sea surface. Sarongge is a part of the Mount Gede-Pangrango National Park. It is the place where Karen Hidayati, an activist in Ksatria Pelangi Organisation, reunites with Husin, her old best friend when they were still in university. Sarongge is a place where they start their story and initiate a romance.

Sarongge is such a simple name. However, it stores million of complex stories ranging from how poverty is more and more hereditary among the people, population explosion which goes to the slopes of the mountain, fights of small farmers against the rulers, until hopes brings back West Java forest to the way it was.

Everything fills Karen’s and Husin’s days. They often spend time together walking around Sarongge forest and slowly plant love seeds in each of their hearts.

Karen is a brave woman, she has spent half of her lifetime with Ksatria Pelangi. She goes on expedition from Kampar to Papua to fight capitalism, which continues to take over the environment and the people that live from it.

Karen has dedicated her soul and body to defend this land whereas Husin with his humility chooses to stay in Sarongge to fight along with the people of his village for decent livelihood and forest that is green again.

Karen and Husin are a symbol of bravery and simplicity. Poems and letters become their way of sharing their love when distance sets them apart. And none of them feels sure of what the end of the journey will be.

This novel does not only offers a unique love story, but also various realities that we currently face in this earth. Sarongge opens our eyes, hearts and ears to things that are robbing the beauty and environmental diversity of this country through Husin’s tender poems and letters sent by Karen when they miss one another.

The struggle is not only about Karen who is willing to stand on top of a bulldozer to stop the destruction of peat forest, or Husin who tries many different ways to convince the farmer to opt for organic farming, which is environmentally friendly. The struggle is how Karen and Husin survive from missing each other when they are apart while making their dreams comes true according to each of their own choice. The struggle solely because of love, as Husin wrote in one of his poems: “Loving you is the curves when walking along the river in mountains, it gets narrower as time goes by and silent. But, I never let go of hope” Reading this book takes our minds away from the hustle and bustle of cities, to stroll along the Sarongge forest under the falling Ki Hujan flowers. To walk among the Puspa forests with leaves that are starting to turn red. There will be a place where we will make a promise to preserve our forest and all in it. For us, for our children and grandchildren as what has been done by Karen and Husin. Do you want to try to become heroes for our environment just like Karen and Husin?

“Because a lost forest never goes extinct alone. It also brings extinction to several native animals such as Javanese Harimau” - Chapter 1:Sarongge, about forest in Java.

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DO YOU WANT TO KNOW MORE ABOUT HMTL? v i s i t / F o l l o w

u s :

http://hmtl.tl.itb.ac.id

@HMTL_ITB @HMTL_ITB medkominfo hmtlitb

SURF THE NET http://greenroofindonesia.com Have you ever heard of greenroofs?

This website provides various information about greenroofs. Are you interested to make greenroofs in your own house?

If yes, then this website is a must visit for you!

http://www.greenpeace.org Greenpeace is an international organization, which is based on principal and values that are reflected upon environmental campaign action. This website provides information on environmental issues in the world and in our country. It also gives us a way to give real contribution in protecting our environment.

If you have a thirst for innovation, this website is the answer. There are innovation products and topics regarding green cities. It also has links for other innovative websites from all around the world.

So, what are you waiting for?

http://thegreencity.com

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ENVIRONMENTAL ENGINEERING BANDUNG INSTITUTE OF TECHNOLOGY

e

Environmental Engineering, as a part of engineering knowledge is field of study, learn about curative and preventive action, which can be done to save our environment, consist of water, ground, air, and environmental hygiene through engineering approach.

nvironmental Engineering is motivated by comprehension means to protect environment from human activities. Also, to protect human health and safety from diseases and pollutant exposed in ground, water and air media through engineering approach. So, what will we study as environmental engineer candidate?

1. Drinking and Clean Water Engineering Environmental Engineer study about how to design Water Treatment Plant, involved process, and how to distribute water appropriate to community’s necessity.

2. Domestic Wastewater Engineering This aspect is a study about wastewater treatment unit’s process and design such as septic tank and Wastewater Treatment Plant. Plus, about drainage design which function as flood prevention.

3. Industrial Wastewater Engineering This is a study about how to design Wastewater Treatment Plant for industries and about the process to do in the treatment. Therefore the wastewater quality may reach safe concentration to be discharged to environment.

4. Hazardous Waste Management Substances with harmful and toxic characteristic used in industries will be generated as waste which harmful to environment and human health as well. Environment Engineer study about how to handle those hazardous waste.

5. Waste Management Decent ways to manage domestic waste, from sorting at source to optimal landfill design, also will be studied in Environmental Engineering department.

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6. Environmental Health and Toxicology This aspect contains elements: environment, diseases, outspread pathways, and how to measure toxicity level and its hazard level to environment.

7. Community Sanitation In this aspect, environmental engineer will study about how to provide sanitation and water infrastructure appropriate to community characters in specific area.

8. Air Pollution Control and Management In this department, we study about air, from emission dispersion of industries’ stack, to measuring pollutant levels in a city. This aspect also study about how to design air pollution control device in order that pollutant from industries won’t soil environment.

9. Environmental Management In Environmental Management, will be studied case modeling related to environmental issues, environmental risk analysis from human activities, environmental management system application, occupational health and safety, etc.

10. Clean Technology In this topic, we study about 3R application in industry. Not only reducing waste generation, clean technology may bring out other advantages, such as increasing production rate or decreasing raw material consumption.

RRekayasa IL

environmental infrastructure

engineering

WHAT ARE RIL MISSIONS? Prepare reliable engineering graduates to deal with various human built envirnonment issues in urban and rural areas and combine them with the comprehension of environmental management.

infratruktur

lingkungan

Prepare graduate engineering personnel who are able to professionally solve engineering problems related to water supply and sanitation that exists inside or outside Indonesia.

What is the basic idea for the establishment of RIL?

.

1

The lack of support for the development of environmental infrastructure.

2

The urgent needs for engineering masters in clean water infrastructure and sanitation field to meet MDG target.

3

The needs for implementation of education program focusing on clean water infrastructure and sanitation.

Prepare experts and professionals who focus on the development of science and technology relevant to environmental issues, especially those relevant to the condition of Indonesia.

Prepare professionals focusing on water supply and sanitation to meet human needs and improve the performance of facilities and infrastructure in accordance with criteria standards.

Environmental engineering nowadays tends to plunge in the industrial world and it leads to the setback of community service. It streghtens the astablishment of RIL. •

WHAT IS RIL’S VISION?

r

IL is a competitive, reliable and dignified major in environmental engineering focusing on clean water distribution and sanitation, in urban and rural area, and with other ITB’s majors bringing Indonesian society into a united, sovereign and prosperous nation.

WHAT IS THE MAIN DIFFERENCE BETWEEN ENVIRONMENTAL ENGINEERING AND RIL? Environmental engineering program tends to prepare engineering graduates with competency in environmental pollutant control and industry as the main target market.

RIL (Environmental Infrastructure Engineering) tends to create engineering graduates with competency in drinking water, waste, and sanitation engineering and public utility related market as the main target.

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hmtl itb i

TB Environmental Engineering Students Association (HMTL ITB) was founded simultaneously with ITB Sanitary Engineering on November 10th, 1962. As Sanitary Engineering changed name to Environmental Engineering, students association named ITB Sanitary Engineering Students Association also changes its name into ITB Environmental Engineering Students Association on November 10th, 1988.

HMTL as students organization, function as environmental engineer students’ “vessel” to work, study, and develop their potency in accordance with formal education in Environmental Engineering department. HMTL has symbol, in which have certain meaning related to environmental engineering wisdom. Kalpataru Tree on symbol means environment itself. Black-blood lines above and below the symbol means T (for engineering) and L (for environmental). Five lines on the left and right means five majors in environmental engineering, which are water, air, environmental management, health, and solid waste. Blue-colored waves means water. Ganesha image on bottom-left corner means ITB.

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Every year HMTL has programs with environment theme. In this year’s (2014/2015) govern, one of the program is ECOPROJECT, which consist of competition, seminar and FGD (Focus Group Discussion), Village Partnership (Desa Mitra) along with exhibiton.

Eco Project 2015 brought the “Water and Sanitation” as a major topic for water issues, water resources, and pollution due to the awareness of the importance of this issue in society remains low. This event contributed to the success of the program from the Ministry of Public Works, which is 100% community channeled clean water, 100% of facilitated access to proper sanitation, and 0% slums in Indonesia.

ENVIRO

AVAILABLE AT

issuu.com/envirohmtlitb public place of ITB Library Cooperation

high school SMAN 1 Bandung SMAN 2 Bandung SMAN 3 Bandung SMAN 4 Bandung SMAN 5 Bandung SMAN 6 Bandung SMAN 8 Bandung SMAN 9 Bandung SMAN 20 Bandung SMA St. Aloysus SMA St. Angela SMA Darul Hikam SMAI Al Azhar 4 Bekasi SMA Marsudirini Bekasi SMAN 2 Tangerang Selatan SMAN 81 Jakarta SMAN 8 Jakarta SMAN 1 Denpasar SMAN 4 Denpasar

university

UNPAD UNISBA ITHB UNIKOM UNPAS MARANATHA UPI ITENAS UI BINUS UNIBRAW UNTAR UGM IPB UNSRI UNUND 18 university in other big cities

Pick up point Toko Coklat Ngopi Doeloe Warung Pasta Rumah Buku Omuniuum

ZoE

Pitimoss

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