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GREEN BUILDING WORKSHOP
Dept. of Urban Development
Govt. of West Bengal
New Town Kolkata
Development Authority
New Town, Kolkata
2nd April, 2015
Glass House, Eco Park, New Town, Kolkata.
BENGAL GREEN INITIATIVE
CABINET DECISION
35th meeting of Standing Committee of the Cabinet on
Industry, Infrastructure & Employment, held on 5th
August, 2014 says that 10% additional F.A.R is to be
allowed for green buildings.
Urban Development Department; Govt. of West Bengal
Page 2 of 22
BENGAL GREEN INITIATIVE
AMENDMENT IN NEWTOWN KOLKATA BUILDING RULES 2009:
1. On the basis of the cabinet decision,
Government of West Bengal has recently taken
a decision to allow extra Floor Area Ratio
(FAR) for green building construction.
2. The building rules has already been amended,
as illustrated in respect of New Town Kolkata
Development Authority (NKDA).
3. In giving effect to this new rule, the question of
defining a Green Building has arisen.
Urban Development Department; Govt. of West Bengal
Page 3 of 22
AMENDMENT IN GOVT. RULES
10% additional FAR is to be allowed in
cases of green buildings and certification
of Green buildings will be done by the
designated authorities / agencies to be
notified by the Municipal Affairs
Department.
Urban Development Department; Govt. of West Bengal
Page 4 of 22
CONCEPT OF “GREEN BUILDING”
Green Building is one which includes the
following basic aspects;
1. Optimizes use of Water
2. Optimizes Energy Efficiency
3. Conserves Natural Resources
4. Generates Less Waste
5. Provides Healthier Environment for occupants
Urban Development Department; Govt. of West Bengal
Page 5 of 22
COMPARATIVE ANALYSIS AMONG
DIFFERENT CERTIFICATION
There are a number of agencies that rate a building
as green with Grades (such as silver, gold or
platinum) or Star (such as 3 star, 5 star).
Issues
IGBC
GRIHA
1. Aim
Voluntary & Consensus Based Programme
Awareness Based Programme though incentives and
awards by GOI / State Govt.
2. Scope
Applicable for both new and existing buildings.
Applicable for new buildings only.
3. Validity
Upto 3 yrs.
Upto 5 yrs.
4. Process
1.
2.
3.
4.
5.
6.
1.
2.
3.
4.
5.
6.
Registration (After Design)
Preliminary Proposal
3rd Party Review & Assessment
Final Submission
Site Visit by IGBC
Final Review & Award Rating
Registration (Pre Design)
Training Session
Preliminary Proposal
Evaluation
Final Submission
Final Rating (by TAC, MNRE).
Urban Development Department; Govt. of West Bengal
Page 6 of 22
COMPARATIVE ANALYSIS AMONG
DIFFERENT CERTIFICATIONS
Issues
IGBC
GRIHA
5. Post-Const.
Evaluation
6. Mandatory Field
Evaluation after Construction
Energy Audit after Construction
•Rating Based System
•No Mandatory Field
•Credit Interpretation Ruling (CIR) to achieve the
same point through a different compliance route
•Rating Based System
•Mandatory & Partly Mandatory Field
• Mandatory Field Non Compliance
• Rejection of Project
7. Water
(Consumption
Reduction )
•Min. 18% using rain water
•Min. 25% using energy efficient measures
•Min. 25 % using recycled water
•Min. 25 % through water recycling and re-use
(including rain water harvesting)
•Min. 25% using energy efficient measures
8. Energy
•Use of Min. 7.5 % of total annual lighting
consumption.
•Reduction of more than 30 % of lighting power
density
•Efficient electrical equipment and fixtures, pump,
motors and HVAC system.
•Using solar energy to reduce % of electrical load
•Min. 10 % for indoor illumination
•Min. 15 % or 25 % of total number for outdoor
lighting
•Min. 20% for water heating
Urban Development Department; Govt. of West Bengal
Page 7 of 22
STATE PRACTICES
STATE
PRACTICE
MAHARASTRA
PUNJAB
RAJASTHAN
UTTAR
PRADESH
Urban Development Department; Govt. of West Bengal
Page 8 of 22
GREEN NORMS
ECBC
NBC
THE
EPA
ACT,
1986
2. ENERGY EFFICIENCY
GREEN NORMS
MATERIAL
ENERGY
EFFICIENCY
GREEN
BUILDING
SAVE WATER
1. MATERIAL
HEALTHY
ENVIRONMENT
3. OPTIMIZATION OF USE OF
WATER
4. GREEN OPEN SPACE
5. HEALTHY ENVIRONMENT
6. ENSURING CONTINUITY
Urban Development Department; Govt. of West Bengal
Page 9 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
ENERGY EFFICIENCY
1. DOUBLE
GLAZING
SYSTEM OF minimum 4MM.
THICK GLASS (WITH AN
OPTIMISATION OF
USE OF WATER
GREEN OPEN SPACE
AIR GAP OF minimum. 6
MM.) SHOULD BE USED IN
ALL EXTERNAL WINDOWS.
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
2. Only FLY – ASH BRICKS
Shall have to be used.
Urban Development Department; Govt. of West Bengal
Page 10 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
ENERGY EFFICIENCY
USE OF SOLAR ENERGY
1. Net metering system
shall have to be used.
USE OF EFFICIENT
EQUIPMENTS
USE OF SENSOR
2. 1(one) Solar panel (8 sq.mt. each) should be
provided for each 100 sq.mt. of built up area.
Urban Development Department; Govt. of West Bengal
Page 11 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
ENERGY EFFICIENCY
USE OF SOLAR ENERGY
USE OF EFFICIENT
EQUIPMENTS
USE OF SENSOR
1. All Electrical equipments should be of BEE
5 – Star rated.
2. LED/CFL Lights, shall have to be used.
Urban Development Department; Govt. of West Bengal
Page 12 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
ENERGY EFFICIENCY
USE OF SOLAR ENERGY
USE OF EFFICIENT
EQUIPMENTS
USE OF SENSOR
1. In case of Non residential buildings:
All exterior and common area (except emergency zones)
at least one of the following sensors should be used:
a. Daylight sensor.
b. Occupancy/Motion sensor.
c. Timer.
Urban Development Department; Govt. of West Bengal
Page 13 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
OPTIMISATION OF USE
OF WATER
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
RAIN WATER
HARVESTING
GREY WATER
RECYCLING AND REUSE
USE OF EFFICIENT
PLUMBING FIXTURES
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
1. Recycle and Re-use of water
shall have to be done by means of
Dual Plumbing System.
2. 30% of the total water demand
should be catered from recycled
water (non potable use).
Urban Development Department; Govt. of West Bengal
Page 14 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
OPTIMISATION OF USE OF WATER
RAIN WATER HARVESTING
GRAY WATER RECYCLING
AND RE-USE
USE OF EFFICIENT
PLUMBING FIXTURES
1. Efficient Plumbing fixture should be used in
Non – residential building.
2. Water metering system should be used to
minimize the wastage of supply water.
Urban Development Department; Govt. of West Bengal
Page 15 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
Green open space shall have to be provided as follows:
Plot Area
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
Minimum Area Minimum Area Distribution
of green open
diagram
of green open
space (as per
space
NKDA Building
(Proposed)
Rules 2009)
Up to 1500 sq.m.
4% of the plot 6% of the plot area
area
Above 1500 sq.m. – 5% of the plot 7.5% of the plot
Up to 1 Hectares
area
area
Above 1 Hectares – 8% of the plot 12% of the plot
Up to 10 Hectares
area
area
Above 10 Hectares 10% of the plot 15% of the plot
– Up to 20 Hectares area
area
Above 20 Hectares
12% of the plot 18% of the plot
area
area
Urban Development Department; Govt. of West Bengal
Page 16 of 22
PROPOSED REQUIREMENTS FOR TREATING A
BUILDING AS “GREEN” WHILE ISSUING
SANCTION
MATERIAL
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
All residential/ non-residential projects
with plot areas more than 2 Hectares are
required to provide package Sewage
treatment Plant (STP ).
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
Urban Development Department; Govt. of West Bengal
Page 17 of 22
ENSURING CONTINUITY
MATERIAL
ENERGY EFFICIENCY
OPTIMISATION OF
USE OF WATER
GREEN OPEN SPACE
HEALTHY
ENVIRONMENT
ENSURING
CONTINUITY
A. In case of any violation, Completion
Certificate will not be issued and/or a fine at
the rate of 300% of the Building Sanction
fees will be levied.
B. Annual web base declaration shall have to
be provided by the owners.
C. In case of any violation in continuing
functions , a fine will be computed as 1% of
the Building Sanction Fess. It will be
levied along with the Property Tax Bill.
Urban Development Department; Govt. of West Bengal
Page 18 of 22
IN SUMMARY
At the time of Sanction of plans, extra 10% F.A.R
will be allowed if:
Undertaking for following green norms including continued
adherence to rules is given1. Double glazing (as per norms)
2. Fly Ash Bricks Shall have to be used.
3. 8 sq.mt. of Solar panel for each 100 sq.mt. of built up
area is to be provided.
4. Green open space shall have to be provided as
specified.
5. Dual plumbing system for water supply and water
recycling mechanism.
Urban Development Department; Govt. of West Bengal
Page 19 of 22
IN SUMMARY
5. BEE – 5 star electrical appliances and energy efficient
lights shall have to be used.
6. Net metering system shall have to be used.
7. Water metering system shall have to be used.
8. For non – residential buildings:
i. Lighting sensors.
ii. Efficient plumbing fixtures.
Urban Development Department; Govt. of West Bengal
Page 20 of 22
THE ROAD AHEAD
The guidelines will be included in the existing
Building Rules of Urban Local Bodies by means
of following steps:
OUTCOME FROM THE
“GREEN BUILDING
WORKSHOP”
Formation of Technical Committee RECOMENDATION
FROM TECHNICAL
COMMITTEE
ADOPTION BY THE
GOVERNMENT
Urban Development Department; Govt. of West Bengal
Page 21 of 22
Thank You.
Please give your feedback and opinion at the following:
Web: www.nkdamar.org
Email: [email protected]
Phone: 033-2324-3119
Dept. of Urban Development
Govt. of West Bengal
New Town Kolkata
Development Authority
New Town, Kolkata