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Delhi Metro`s Phase 3 Stations To Be Designed And Constructed As Green Buildings

All the upcoming Metro stations under the Delhi Metro’s third phase of expansion will be designed and constructed as ‘green buildings’ with specific provisions for the conservation of energy as well as better CO2 saving, water saving and waste management arrangements.

As part of Phase 3, which will be completed by the end of 2016, a total of 90 new Metro stations will be constructed. These station buildings are being designed and constructed with the following provisions in mind:

  • Reduced Heat Island Effect: Heat Island Effect contributes in increasing temperature of the microclimate of the building and reduced energy efficiency of a building. To reduce this effect, the roofs of the stations will be either finished with high reflective materials or/and landscaped with vegetation. 
  • Landscape Plant Species: The plant species used for the landscaping of the stations (wherever possible) will be either native or adaptive. These consume less water and help in water efficiency of the building.
  • Insulated Building Envelope: To reduce heat gains in the stations and improve energy efficiency, the walls, roof and windows in the building will be insulated.  Insulated building envelope also helps in improving indoor thermal comfort for occupants.
  • Adequate Fresh Air: To prevent Sick Building Syndrome and other adverse health effects, the Metro stations are being designed to provide adequate fresh air as per ASHRAE 62.1-2004 through ventilation system. Fresh air also improves productivity of the occupants in the building.
  • Low VOC Paints: VOC are chemicals which exist in paints, adhesives, sealants etc and produce bad odour. These VOC also impact on the health of occupants when subjected for long durations. To reduce the adverse health effect and improve quality of indoor air, only Low VOC paints, adhesives and sealants are being used in the buildings.
  • Water Efficient Fixtures: Low water consuming fixtures like Dual-flush WC, low flow taps etc will be installed at the stations. These fixtures help reduce water consumption in the building without compromising on the occupants water requirements. 

The proposed savings of energy from each of these new Metro stations will be as under:

Elevated Metro station:

•          Savings in energy consumptions – 3,66,272 kWh/Annum

•          Savings in energy in cost -23,99,819 `./Annum

•          CO2 emission reduction- 345 tCO2/Annum

Underground Metro station:

•          Savings in energy consumptions – 10,11,482 kWh/Annum

•          Savings in energy in cost – 69,29,203 `./Annum

•          CO2 emission reduction- 953 tCO2/Annum

Apart from the Metro stations, 12 Receiving Sub Stations as well as the upcoming residential quarters of DMRC will be designed in the same manner. Later, DMRC will apply for the Leadership in Energy and Environmental Design (LEED), which is a globally accepted green building certification programme that recognizes the best-in class building strategies and practices. Delhi Metro’s corporate headquarters, ‘Metro Bhawan’ has already been constructed as a green building.

In order to further expand the green cover in the national capital, DMRC has handed over a land area measuring 15 hectares near Shastri Park to the Forest department for plantation activities. In addition, DMRC has also tied up with a non governmental organization, called ‘Sustainable Green Initiative (SGI)’ for carrying out plantation drives in different parts of the city. DMRC plans to plant over 25,000 saplings voluntarily in the years to come.  

Delhi Metro has so far planted over 3 lakh trees and transplanted over six thousand trees in various parts of Delhi. The details of the same are as follows:

Phase

Permission to fell trees

No. of trees actually felled

Trees saved

No of trees planted by Forestdepartment

No of trees transplanted

 

Phase-l

 

 

14505

 

13858

 

647

 

39600

 

3584

 

Phase-ll

 

24453

 

17997

 

6456

 

304651

 

3052

Total

38958

31855

7103

344251

6636

 * For Phase 3, DMRC has obtained the permission to cut 16,001 trees. However, efforts are being made to save at least 15 to 20 percent of these trees. 

AD/ED (CC)/DMRC 

ADDITIONAL INFORMATION 

Benefits of the Project 

Improvement in Travel Speed: Traveling by Metro is much faster; it takes only 80 minutes to travel a distance of 45km from Jahagirpuri (North of Delhi) to HUDA City Centre (Gurgaon). By road it would have taken more than 3 hours. 

Annual Reduction in accidents: 591 (out of which 110 could have been fatal)

Reduction in green house gas emissions: 4,57,615 CO2 equivalent tonne annually

Other benefits (as per CRRI Study, 2011) 

1,06,493 tonne fuel saved, by Metro passengers who would have otherwise traveled by their motorized transport. 

Cost of fuel saved is `1588 crores per year. 

1,17,249 Vehicles off the road daily. 

Economic Benefit (EIRR) is 23.31 percent 

CO2 Emission Reduction 

786 g of CO2 equivalent is saved per passenger per trip. 

In the last 12 years DMRC has transported over 369 crore passengers. This resulted in saving of 2.9 million tons of CO2 equivalent due to shift from other modes of travel and thus avoiding global warming and climate change. 

2.9 million tons of carbon dioxide would be released if we burn 2.3 million tons of Coal or 1071.5 million liters of diesel. 

A 28 MW power plant operating for 12 years would release 2.9 million tons of CO2 while producing 2856500 MWh of electricity.

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