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Archive for the ‘energy saving’ Category

Vertically Green

Wednesday, May 19th, 2010

With rapid expansion of urban spaces, concerns are being raised over the amount of energy being consumed, leading to greenhouse gas emissions.

Eco-housing has many benefits. It helps in preservation of local ecology by encouraging natural fauna and flora. It supports ample green space for reduced heat dissipation from common areas. The buildings are designed and oriented considering sun path movement; wind flow et al and calculations are done to achieve maximum comfort level. It allows usage of renewable energy sources such as solar, wind for reduction in energy consumption.

Innovative construction techniques are planned for ecohousing, which will result in more energy efficient construction. Abundant use of ecofriendly materials is done for greater thermal comfort e.g. fly ash bricks. The services are so designed that they help to reduce burden on the civic bodies.

SOME OTHER REQUIREMENTS

Water and sewage services should be designed as there will be maximum recycle and reuse.
Recharge pits should be designed for rainwater harvesting. This facility derives a substantial amount of water.

In electrical services, the common lighting system should be designed efficiently to help reduce the total electrical load.

Energy efficient design - The electrical systems should be efficiently designed. Out of total common electrical requirement, 20% of requirement should be fulfilled by renewable energy.

The solar water heaters are to be provided with nonelectrical buster (gas back up), thus saving 40% of load requirement of individual flat. At individual level one can save further by using CFL fixtures in their flats.

There should be provision for garbage chute where biodegradable waste will be treated and used as manure.
Biogas generation plant for recycling common waste.

( via - Times of India )

Bring in the positive energy

Monday, March 15th, 2010

Most auspicious occasions call for cleaning and sprucing up our homes for the same. If one wishes to ensure good health and well-being all through out the year, it is important that we work towards bring in positive energy in to our homes on a dayto-day basis.

So, how do we create positive energy in the house? Here are some simple guidelines:

Cleanliness tops the list. Waking up to a clean home in the morning brings a feeling of calmness and sense of being in charge. Items that are not used every day need not be kept around. It is better to keep them in the storeroom. Regular rearranging of furniture in the house helps in releasing stagnant energy from corners. It also enables free movement of energy in the house. Keep your home free of any kind of odd or foul smell. To create positive energy place powdered camphor in the corners. Burning incense sticks or scented candles also attract positive energy. Another remedy that can be used to bring in the positive energy is using fat salt when wiping floors. Green plants and fresh flowers create positive vibes in the house. One can use fresh flowers in a bowl along with floating candles to enhance positive vibes. A family that eats together, stays together. Much as it seems easy to dial in food or go out for a meal, eating at home is much healthier. A home that is filled with the aroma of freshly cooked food always evokes positive memories. Every morning draw the curtains and let the natural sunlight in. The more light in the house, the better for the inmates. When selecting colours to paint your home, settle for bright colors. Always fix broken things at home. Cupboards require a regular cleaning and clearing at least once a month. It is said that if we have not used something for six months or more, it has no use, discard it. Create space for the new. Whether it is furniture, clothes or any other household item, create space first rather than increasing clutter in the house. Interesting photo frames of your near and dear ones decorating the walls of the living room are good - every time one sees them, one is reminded of the love and care they receive.

After a hard day’s work it feels good to come home where you can feel the positive energy that radiates love and warmth. Such a positive environment also enables one to maintain a positive attitude. Bring in as much as positive energy in to your homes and reap in the effects of goodness all through the year.

( via - Times of india )

Reflecting your colour

Monday, March 8th, 2010

Holi, the spring festival of colours, is just over and we may as well seize the occasion to reflect upon the importance of colours in our life – be they at home, office, or the city around us. Life without colours is unimaginable. And, our language if full of expressions that recollect colour to express emotions – red with rage, feeling blue, green with jealousy, black-hearted; soft and pink, bright and yellow – and so on and so forth. Remember, all colours are beautiful and there are no ugly colours. Ugly combinations can make or mar the overall effect, though.

So, when refurbishing your home, ensure that walls are painted in a light
shade like creamy whites, ivory, soft pink, pale blue or very light green. This is because light colours have a soothing effect; they help in reducing tension and most importantly, they reflect light and lend the room a bright, sunny and happy look. Surely, a condition many of us would like to be in.

Professor Najma Rizvi, formerly of School of Planning and Architecture, says that red, orange, dark yellow should be avoided because they exercise a negative effect on the inhabitants of a house. Red incites anger and passion, and black and grey give the place a dark, gloomy and sombre look.

Professor D S Meshram, director of Institute of Town Planners, says that due to cost factor, we see more and more building owners opt for permanent finish rather than colours. As colours start fading after three-fours years, owners of buildings opt for a more permanent option even though many may love to see light colours on their buildings. “Even after so many years of their construction, the Raj era buildings still look so elegant because they have opted for either light colours or they were made of red sandstones,” Meshram says.

As far as houses are concerned, gone are the pastel shades and serene whites. Instead, you find houses with new coats of paint. The colours defy aesthetic logic at times. You will see deep blue, violet, orange and yellows. But then, it’s a matter of personal preferences. “These people have no clue as to what colours can be used. They depend on people at the paint shops to decide on the colours and the more gaudy, the merrier,” says an architect.

Should we have uniform colours for both commercial and residential buildings in Delhi? Some architects and developers say that as Delhi is a green city with lots of trees and a rich forest cover, buildings should be painted in shades of beige, light brown and off-white as these colours go nicely
with green. A green Delhi would look out of the world.

While some feel that with its blue skyline offset by fluffy white clouds, a white Delhi would look great. White is the universal colour of purity and peace. White and blue, in conjunction, would give Delhi a very Mediterranean and glamourous look, yet others opine.

Alimuddin Rafi Ahmed, MD of ILD developers, says that they decide on colours of their buildings after a lot of thinking and discussion. Of course, there is no place for dark shades. They go for light and attractive colour schemes. The choice of colour can make or mar the beauty of a building. “To begin with, we decide on what portions of the exterior to highlight –blocks, windows or mouldings. Bright-coloured building are prominent, appear large and closer to the eye,” he says

On the other hand, Ajmal Zaheer Khan of the well-known architect firm, Kothari Associates, has a soft corner for dark colours for exteriors of buildings. “I think school building for kids should prefer dark shades,” he says.

Giving his inputs on the preferable colour-schemes of buildings, Harinder Dhillon, VP of Raheja Developers, says the colour of a building generally depends upon a number of factors like the profile of residents, location and whether it is located across a fairly large area or is the area restricted. An upper-class luxury residential condominium complex will have subtle colours like cream, while a lower-classes residential tower is likely to have green or red.

Experts also say that in many cases, some clients settle for colours which are associated with their religion. For example, green is associated with a certain community and saffron with another.

“I also get many clients asking for bright colours on exterior walls. They want orange, red, yellow and blue. As a professional, I prefer light colours for exteriors like cream and grey, but then, a client is always right,” says another architect.

And, why is there a trend for bright colours? “Houses that are shown on TV are mostly brightly painted. In some houses, only the frontage is painted with such colours. Amidst the concrete jungle of white, cream and grey, the bright houses are a feast to the eye and dazzle a city’s skyline.”

Experts say that people are playing with colours a lot more now. Earlier, colours were restricted to the interiors. For exteriors, all homeowners wanted light, evergreen and low maintenance colours. Some even used stones, marble and brick tiles so that a house needed practically no painting, but after some time these houses start looking dull. If you use colour, you can give your house a new look every time you repaint. For now, play Holi with lots of colour, but see that they do not spill on to the walls or facade at your home or the office.

( via - Times of india )

For a healthy home…

Saturday, February 20th, 2010

The use of natural material can create a more relaxing and low stress environment, in contrast to man-made laminates. Maximum use of natural elements like sun and wind; appropriate use of colours, furnishing materials, lighting systems,regulated use of mechanical and electronic gadgets - these are all things which define a healthy home. Improperly maintained gadgets used indoors as well outdoors can increase the level of chemical pollutants indoors, affecting the air quality and ultimately our health.

A major source of pollutants and toxic gases in indoor environments are from building materials, water supply systems, chemical cleaners, paints and finishes, pesticides in the vegetables we buy, vinyl carpets using adhesives, synthetic products and even from our footwear. The most common impact on the health of a person are in the form of skin rashes, burning eyes and respiratory discomfort. These symptoms could vary from person to person and with varied intensities.

Avoid chemical air fresheners- instead, use baking soda or any other natural fresheners or simply open the windows for s o m e t i m e. Choose toxicfree upholstery, furniture, carpets and curtains that don’t contain brominated flame retardants, stain-repellents or wrinkle-resistant treatments. Another great way to reduce toxic exposure is to have lots of house plants. House plants clean air by absorbing chemicals and converting them into food and energy. It is recommended that homes have two to three houseplants per 100 square feet of room space. Also, use organic paints and treatments. Allow natural regulation of indoor humidity. Use real wood rather than pressed particle board.

All colours have varied wavelength and energy output.Hence, keep a balance in the colour schemes you choose for interiors. Neutral background of white and cream tones give a calm pristine quality to the room, with little tones of vibrant colours.

Keep your house warm and dry with the help of exhaust fans if the number of doors and windows are not adequate. By increasing ventilation or air exchange, the relative humidity could be reduced and mould growth could be prevented. Soft furnishing containing synthetic material including foams release various unhealthy gases over time.

Bring nature indoors as much as possible. In short, a little awareness about simple issues such as avoiding plastic food wrap, non-stick cookware etc. in kitchens, wrinkle-resistant sheets containing formaldehyde or made with pesticide-treated cotton in bedrooms could help you maintain a healthy indoor air environment.

( via - Times of india )

Green and eco-friendly projects in India

Monday, February 15th, 2010

Indian real estate is fast catching up with the idea of green buildings. A number of big developers have started eco-friendly projects. One of such projects is Supertech’s Eco-City in Noida. Spread over an area of 12.6 acres, it consists of 2, 3, 3+1 and 4+1 BHK apartments with their areas in the range of 890 sq ft to 2,275 sq ft. There are 1,700 units in the complex, priced between Rs 19.79 lakh and Rs 1 crore.

his project incorporates ecologically responsive urbanism in which environment behind and between buildings is given equal importance as the building itself. Its main aim is to build zero-carbon emission by using special generators, machineries and ecological sanitation. The project’s Master Plan emphasizes the maximum use of eco-label products, energy-efficient landscaping, rain garden, design clubhouse ecodome and biomass for energy and steam. Moreover, use of low voltage LED lights, paper bottles, plastic recycling bins, self electricity generation by using solar panels and wind-mills and irrigation system to recycle grey water are some of its salient features.

3C Company’s Green Boulevard in Noida is listed among the ten green buildings in the world and one of the few commercial projects with a green status. The company was also awarded LEED Platinum rating by US Green Building Council for this project. It houses, among others, MNCs like Accenture and Sapient. It is a multi-tenant project with orientation of buildings, insulated walls, roof and use of high performance glass to minimise energy loads, water conservation and construction and waste management as some of its environment-friendly features.

According to building simulation results, its ecofriendly features help in saving 40% energy, compared to other office buildings in India. The orientation helps in harnessing natural diffused light from the North while pre-cooled air, heat-recovery wheel and free cooling in fair weather help in energy conservation. These are some of the unique features that set the project apart.

3C leads the way in development of green buildings. Lotus Panache is another of its project in the same league.Located in Sector 110, Noida and spread over 41 acres, it showcases a mix of 2, 3 and 4BHK apartments. It has Asia’s first Net Zero Energy and geothermal school building and Asia’s first geothermal club building. Carbon credit sharing, virtual landscaping, natural lighting are some of its other features.

To take this concept a step further, Confederation of Indian Industry (CII) aims to build billion square feet in the next two years, covered with green buildings and then turn to the corresponding reduction in greenhouse gas emissions. It aims for India to become selfsufficient in energy use and sustainable development and make green buildings only. It has also developed the Indian Green Building Council, India’s first rating programme exclusively for the residential sector.

( via - Times of india )

New govt buildings to comply with green rating norms

Friday, February 5th, 2010

New government and public sector unit buildings will have to mandatorily comply with new green rating norms to tackle climate change threats.

"This decision was taken by the Centre two days ago to ensure that buildings are environment-friendly aiming to achieve high energy utilisation," Farooq Abdullah , minister of new and renewable energy, said at a function in New Delhi on Monday.

He said all new buildings of government and PSUs will have to comply with the requirement of at least 3 star rating under the Green Rating for Integrated Habitat Assessment.

Efforts will be, however, made for higher rating by such buildings subject to the site condition as western rating systems are not suited for Indian climate and GRIHA has been designed exclusively for Indian buildings, the minister added.

GRIHA is a national rating system under which green buildings will be rated by technical expertise from The Energy Resources Institute, headed by RK Pachauri.

The aim of a green building design is to minimise the demand of non-renewable sources and maximise its utilisation.

While emphasising on integrating traditional heritage with scientific tools, the Minister suggested that even small dwelling units being constructed under the Indira Awas Yojna be brought under the GRIHA ambit to ensure sustainability.

Deepak Gupta, secretary in the renewable ministry, said CPWD has already adopted GRIHA rating and efforts are being made to spread awareness in this direction among the concerned stakeholders including builders and architects.

"A technical group has also been constituted to study the feasibility of GRIHA in larger areas such as townships and campus. The team will submit its report within the next six months," Gupta said.

Buildings will be rated on the basis of design, system design, including ventilation, water and waste management, indoor environmental quality and selection of ecologically sustainable materials.

"The country is witnessing rapid boom in construction industry and the primary objective of the rating system is to help design green buildings and in turn help evaluate the greenness of buildings", Pachauri said.

"The rating systen follows best practices along with national and international codes that are applicable to achieve the intent of sustainable architecture and building design."

( via - Rediff.com )

Kurla gets country’s greenest hospital

Tuesday, December 22nd, 2009

You might have heard of eco-friendly corporate offices, but the concept of a green hospital is still relatively new in India. On Sunday, the country got its greenest healthcare centre when Kohinoor Hospital, a 100-bed multi-specialty hospital, was inaugurated at LBS Marg in Kurla.

It is the first hospital in the country to bag a platinum rating in the Leadership in Energy and Environment Design (Leed) certification for a ‘green building’. The US certification sets standards for environmentally sustainable construction.

"Several corporate buildings have been developed as eco-friendly structures, but no one really thought of constructing an eco-friendly hospital," said Shailesh Dalvie, CEO, Kohinoor Hospital. "Thus, we decided to tap this environment-friendly concept and relate it to healthcare."

According to Dalvie, the hospital will be one of its kind for patients, whose healing process will begin as soon they enters the premises. "We have made many arrangements for energy conservation, which will automatically reduce our operational costs," said Dalvie, adding that the quality of air and the environment in the hospital will help boost the healing process.

The hospital will also recycle water, a scarce resource in the city these days. Besides, the hospital is built to maximise absorption of natural light to save electricity. Special carbon dioxide sensors, which trigger injection of fresh air when CO2 exceeds a certain level, have also been installed.

The hospital has a team of over 150 doctors who are well-known in the medical fraternity. "Gradually, we plan to add 75 more beds, and also get more reputed doctors," said Dalvie.

(  via - dnaindia.com )

Green Building Design Principles

Thursday, December 17th, 2009

( via - youtube.com )

Only in Abu Dhabi: A New Hotel With a 700-foot, LED Facade

Friday, December 11th, 2009

The Yas Hotel, a 500-room, 85,000-square-meter complex, is one of the main architectural features of the ambitious 36-billion-dollar Yas Marina development and accompanying Formula 1 raceway circuit in Abu Dhabi, UAE. Asymptote envisioned an architectural landmark embodying various key influences and inspirations ranging from the aesthetics and forms associated with speed, movement and spectacle to the artistry and geometries forming the basis of ancient Islamic art and craft traditions.

Of architectural and engineering significance is the main feature of the project’s design, a 217-meter expanse of sweeping, curvilinear forms constructed of steel and 5,800 pivoting diamond-shaped glass panels. This Grid-Shell component affords the building an architecture comprised of an atmospheric-like veil that contains two hotel towers and a link bridge constructed as a monocoque sculpted steel object passing above the Formula 1 track that makes its way through the building complex. The Grid-Shell visually connects and fuses the entire complex together while producing optical effects and spectral reflections that play against the surrounding sky, sea and desert landscape. The architecture as a whole “performs” as both an environmentally responsive solution as well as an architecture of spectacle and event. The entire jewel-like composition of the project responds visually and tectonically to its environment to create a distinct and powerful sense of place as well as a breathtaking backdrop to the Formula 1 and other events that the building will celebrate. The Yas Hotel is designed to be a significant landmark destination on Yas Island for Abu Dhabi and the UAE at large.

( via - archdaily.com )

Technology making homes eco-friendly

Thursday, December 3rd, 2009

The consumer connect for a home is such a huge grey area - it could range from personal reasons of budget, commute, size, and area to amenities. But the invisible reasons for buying a home never make it onto this list - good construction, usage of technology to make lifestyles greener and cheaper, better timelines for lesser heartaches and interest paid out to financial institutions.

Do buyers even care that developers are going hightech in their planning, quality control and the execution of projects? Has it registered with end buyers that redevelopment is being planned on a scale unheard of earlier - at 40, 50 and even 60 floors? It is all about lower pricing, surface finishes and gloss rather than the awareness of what goes into a top quality construction today.

Unfortunately, MIVAN technology, aluminium shuttering, double walled construction and slip forms are all terms that don’t mean a thing to most buyers. But when it makes a difference to electricity bills the paisa will drop  or rather be saved. Today, if you ask any buyer why so-and-so developer should charge a premium, they feel it is due to the ‘name’. That couldn’t be further from the truth. It is because they use scientifically-evaluated procedures and materials to ensure quality and achieve international standards in projects, an imperative today, say experts and engineers.

Architect Pranav Desai of Atul Desai and Associates, says, “Right from making earthquake and wind pressure resistant design to making buildings sturdy and durable and aesthetically appealing, the entire process is getting revolutionised. Use of cranes and service elevators has become common. The cranes are telescopic which keeps moving up along the floors. Sophisticated window panes that can withstand wind pressure at higher levels are being used. Buildings are made to withstand wind pressure load by counterbalancing the force with the help of a metallic bob fitted in a way that pulls in the opposite direction from the wind pressure”.

Good timelines mean getting your booked flat on time, which will mean less interest on your loan and less rental outflow before you move into your home. Prashant Karve, an architect, says, “Earlier we had the entire procedure of mixing concrete on the site in small proportions. Now we have ready mix concrete, which helps achieve quality consistency and large material output every time. There is no room for compromise”.

The basic aims of all residential construction today should be to control costs but in a sustainable and ecofriendly manner. Most technology and product design is now gearing up for this challenge with the cheaper, better, faster formula, and product developers are ever ready to oblige.

Even the basic tile has advanced to the point where it can be used in various applications and sizes. Abhin Alimchandani, Director - architecture, STUP Consultants, says, “Technology today means the development of different means of achieving sustainable development, real buildings rather than just glass and metal boxes. Technology should be put to good use - for instance, the roof of a building can trap up to 70 percent of the energy falling on it. This area should be used constructively. A garden can help in reducing heat trapped in the flats immediately below, a very small but significant difference”.

The higher the level of sophistication and technology of construction, the better the product.



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