Saturday, 1 March 2014

Greenest building in india

This is India's greenest building
New Delhi India's environment ministry has a new 'green' address. Prime Minister Manmohan Singh today inaugurated the new headquarters in New Delhi which took three years in the making and cost more than Rs. 200 crores.

"It's the greenest building in India" said Rural Development Minister Jairam Ramesh, who was the Environment Minister when the building plans were finalised and approved.

Located in Jor Bagh, the eight-storey building stands out in the upmarket neighborhood of the capital. The first thing that grabs the eye is the roof which seems to be hanging in the sky.

Each time the lift in the building halts on a floor, it generates a small amount of energy, said Dr Arun Kumar Trivedi, an engineer who was one of the key people in the planning of the building. "There are several features which we had planned, some got built others not, but even then this is a marvel of what can be achieved in the country," he said.

On the terrace are huge solar panels. This is where the building generates almost 1 MW of power for its needs. The panels, imported from the US, have a high efficiency conversion rate of 18 percent. 

The building also has three levels of automated underground parking which can house 300 cars. "We can retrieve any car in three minutes and empty the entire lot in 40" said one of the attendants.  

Thick cables from the roof converge in the power room where the DC power is converted into AC current to be used in the building. Computers here direct the power to where it is needed in the building; any extra power is routed through a cable that is connected to the power grid and is fed back to the city.
 
Another feature of the building is the use of Geo thermal heat exchange system to cut down the power needed to run air conditioners. 

The building also recycles all of its water. Engineers claim treated waste water, which is used in the air conditioning system and also for watering the greens, will reduce water demand by over 50 percent.

The building which has been given a 5-star rating by TERI's GRIHA and a platinum rating by Leadership in Energy and Environmental Design (LEED) may open to the public as part of knowledge exchange, say senior officials. A lot, however, will depend on the ability of officials to maintain and run the systems which have earned the building its green rating. 

Friday, 28 February 2014

Build Green

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A concrete step towards eco-friendly buildings

NAGPUR: Looking at the reality boom in the city, the Visvesvaraya National Institute of Technology (VNIT) has been making conscious efforts to promote the concept of green buildings among public as well the people and agencies involved in construction industry.

Thanks to this awareness, a number of government as well as private agencies or builders have starting opting for green buildings. Though the Public Works Department (PWD) in the city has not as yet announced any green building project, there is a clear inclination towards the concept.

"The department has already started certain projects at certain places in state at places like Nashik and Amravati. In Nagpur, the department has not finalized any projects but surely our upcoming big projects will use the concept of green buildings," said Nita Thakre, executive engineer (vigilance and quality control) told TOI who was attending a training programme on the subject organized by the civil engineering department at VNIT. Krusha Gharde, an assistant engineer, said that the new Ambedkar Bhavan on South Ambazari road was already using rain water harvesting.


Project coordinator of Mahindra Bebanco Developers Ltd who was also attending the training said that the company's residential project coming up in Mihan was using the green building concept extensively. "We are following the Indian Green Building Council norms. It is expected that everything used in the construction comes from within 500 km radius and is efficiently used. We use fly ash bricks, recycled steel and adopt rainwater harvesting. Above all, MADC has made the provision of a non-domestic water supply system for use of grey treated water," he said.

Alpana Dongre, architecture and planning professor in VNIT, explained the role of various factors related to the concept. Stressing on the role of use of natural light to maximum possible extent, she said though it aims at getting maximum sunlight but glare has to be avoided. "We also use light sensors for energy conservation. There are also occupancy sensors which put off the light when the place is not used by anyone," she said. Health of workers during construction and occupants after construction is another prime concept, she said.

Rahul Ralegaonkar, the programme coordinator, R K Ingle, dean faculty students welfare, Prof V A Mhaisalkar, Prof A R Tembhurkar, Prof Rajashri Kotharkar also spoke on the occasion. The training was basically designed for PWD department.

Friendly structure

The lowdown on various components of the concept of green buildings

What is a green building?

* Building which efficiently uses energy, water, and other resources.

* Protects occupants' health and improvs employee productivity.

* Reduces waste, pollution and environmental degradation.

* Resource efficient in construction, design, operation, maintenance, renovation, and even demolition.

Components of green building

Sustainable site planning | Preserving and protecting landscape during construction and compensatory forestation | Soil Conservation (post construction) | Reduce hard paving

Material

Use materials like flyash | Reduce volume, weight and time of construction using precast systems and ready mix concrete | Use low energy materials in interiors, minimizing waste, efficient segregation, disposal and recovery

Building energy management

Optimising building design for minimizing use of conventional energy | Energy audit and validation | Using renewable energy sources

Efficient water management

Efficient water use before and after construction | Water recycling and reuse including rainwater

Indoor environmental quality

Provision for minimum health and safety facilities for workers | Reducing air pollution | Using low volatile organic compounds such as paints, adhesives, sealants | Acceptable noise levels | Providing minimum levels of accessibility to disabled.

Monday, 24 February 2014

Areas where an Engineer Can show his talent


  • constructing eco friendly houses buildings etc--Solar Air conditioning, Passive solar house plans

Passive Solar House Plans For Energy Saving

Passive Solar House for Winter
Passive Solar House Plans
Passive solar house plans is the term for the use of the sun’s power for the air conditioning of areas. In this approach, the building itself or some factor of it uses organic power features in components and air created by exposure to the sun. Inactive techniques are simple, have few moving parts, and need little maintenance and need no technical techniques. A passive sun space, an energy-efficient woodstove and spectacular windows make this style highly cost-effective. An open residing or dining-room features an attractive terrace rail, a rock fireplace and an adjacent passive solar house plans with a durable rock floor.

Passive solar house plans advantages

Hopefully, most of us are becoming more and more aware of our environment and how to protect them. At times the real estate market gets a lot of warm from environmentalists that claim the globe’s organic sources are being exhausted. The maintenance of the globe’s sources is of great importance and will continue to become more and more of a issue to the coming years. We are extremely pleased to be associated with Designers and Designers that take little impact into consideration when developing homes. We now have a passive solar house plans that display programs of various styles that are designed for maximum placement in relationship to the sun to increase the energy-efficiency of the property and reduce the usage of organic sources such as fuel.

Specialty of Passive solar house plans

Operable windows, warm huge, and warm fireplaces are common elements found in passive solar house plans. Operable windows are simply windows that can be started out. Thermal huge is the term for components such as brickwork and water that can store warm power for extended time. Thermal huge will prevent rapid temperature variations. Thermal fireplaces on passive solar house plans create or strengthen the impact hot air rising to generate air activity to chill requirements.
Passive Solar House Plans and design

ECO PROject Ideas

Share here your ideas about how we can save our earth from this Development crisis at which development is approaching at one end but in much faster phase we are loosing our eco system. As engineers we should wake up from the dormant state and be there for eco friendly development.