Case Study- Mahindra Chloris
Mahindra Lifespace Developers Ltd
01.11.12
By: Amit Pal
Identity
Who we are
Mahindra World City
Mixed-use
developments
Chennai – 1600 acres
Jaipur – 3000 acres
Part of the Mahindra
Group
65+ years of history
Presence in key sectors
Mahindra Lifespaces
Residential developments across India
7.14 msf of developed projects
9 msf of projects being
developed/planned
PRESENTS
A PLATINUM RATED CERTIFIED
GREEN BUILDING
Registration No: GH 08 1005
Project Location
•Sector 19, Faridabad
• First Residential
Development by Mahindra
Lifespaces in Delhi-NCR .
•Area :19915.30 Sq. m.
SITE
PLAN
Built Up Area:- 42456.34 Sq. M
Ground Coverage-18.9%
Building Foot Print Area:-3776.76 Sq. M)
Total landscape Area:- 16129.73 Sq. M Open Space- 80.9%
Building Configuration
•Total no. of
Towers= 8
• No. of Floors in
each Tower= G+9
• No. of Flats per
Floor= 2
• Total number of
Flats per Tower = 20
• Total number of
Flats = 160
• Non Air
Conditioned Building
Green Design and Development
“A Green building is one which uses less water, optimizes energy
efficiency, conserves natural resources, generates less waste and
provides healthier spaces for occupants, as compared to a conventional
building."
Site Efficiency
Heat Island Effect
Exposed roof area
Terrace Roof = 32814.07 Sq.
ft
Clubhouse Roof = 3438.24 Sq. ft
Parameters Actual
SRI 0.831
Solar Emittance 0.84
Solar Absorptance 0.19
Heat Reflecting Paint to 100% of exposed roof area on terrace and
club house.
Site Efficiency
Parking Facility :
Parking for residents - 335
Parking for visitors- 34
Facilities for Non Fossil Fuel Surface Parking
Vehicles
15 car against required 11
Basement Parking
(i.e. 3% of 369 car parks
including visitor parking)
Site Efficiency
Designed for differently able
Facilities :
•Preferred car parking
•Ramps
•Rest rooms in common areas
•Easy access to main entrance/ lift/
lobby area
•Uniformity in flooring level
Site Efficiency
Home User Guide
Guidelines, Do’s and Don’t to
maintain green features :
•Building envelope
•Indoor environmental quality
•STP
•Waste segregation
•Use of energy efficient Appliances
•DG Home features
Water Efficiency
Rainwater Harvesting
• Installed capacity =105.6 cu.m
• 3 recharge pits @ 35.2 cu.m/pit
• Total rainwater runoff from roof is 63.99 cu.m.
• Harvesting 100% of the runoff volume
Water Efficiency
Water Efficient Fixtures
Sr Items Base Line Units Proposed % Water
Flow rate at Saving
3 Bar w.r.t
Base line
1 Flushing ( wc ) 6/3 LPF 6/3 0
2 Faucets (Taps) 7.6 LPM 6.0 21
3 Showers 7.6 LPM 6.0 21
4 Bath Basin & 7.6 LPM 2.5 67
Kitchen Sink
Water Efficiency
Turf Design
• Total Site area= 19,971 Sq.m
• Landscape area= 16,129 Sqm
• Turf area= 1,440 sq.m
• Turf area is 8.93 %
landscaped area
80 % is developed as landscape area
Turf area less than 10% of total landscape area
Reducing water requirement for irrigation.
Water Efficiency
Drought Tolerant Species
• Site area= 19,971.23 Sq m
• Landscape area= 16,129.73 Sq m
• Drought tolerant species= 5,350.74 Sq m
• Drought tolerant species= 33.17 % of
the landscaped area
• Ficus Benjamina Starlight, Alstonia
Scholaris, Lantana Sellowiana, Plumeria
Alba, Ficus Iyrata, Phoenix Dactylefera
Water Efficiency
Management of Irrigation Systems
Sub Meter for Irrigation System
Independent zones based on
water needs.
Central Shut off valve
Drip Irrigation
Water Efficiency
Grey Water Treatment
• 100% waste water treatment by on-site STP
• Total waste water : 146.4 cum
• Capacity of STP: 160 cum
• Treated water for flushing , irrigation, car
washing and cooling towers of DG Sets.
• Ultrafiltation technology
Energy Efficiency
Energy Performance
Perspective approach :
A.Envelop Measures
A1. WINDOW GLAZING
Low e-glass with uPVC windows system
Climate Glass Make Glass U-factor SHGC value LT
Zone Thickness (W/m2) (WWR 20-30%)
Composite Pilkington(Eclipse 6mm 2.8 0.82 82
advantage
evergreen)
Energy Efficiency
Energy Performance
A3. WALL ASSEMBLY
Flyash Bricks
U value = 0.870 w/sq.mk
Cross Section of Wall Assembly
Patent registered : 442/MUM/2009A
Energy Efficiency
Energy Performance
A2. ROOF ASSEMBLY
• 4 types of Roof Assemblies.
• Tested with IIT-B for thermal
properties
Cross Section of Roof Assembly
Fly-ash based
concrete
Energy Efficiency
Energy, Water Metering
Energy Efficiency
Solar Water Heating Systems
Energy Efficiency
Lighting - External
Locations Installed Capacity In Remarks Installed Capacity Remarks
(KW) In (KWh)
Chloris- Solar Street 11.34 Annually 16,243 Annually
lighting
Energy Efficiency
Energy Saving Measures in Other Equipment
Materials
Separation of Waste
Materials
Solid Waste Management, Post Occupancy
Materials
Local Materials
98.6% -- within a radius of 500 km.
With Recycled Content
• 32.2% of the total cost of all material
• Materials with recycled content :
Cement, Fly ash Bricks , glass, reinforcement steel, tiles, uPVC
frame, RMC, chinaware, gypsum board and PoP
Indoor Air Quality
Tobacco Smoke Control
• Declared the units as “Non Smoking unit”.
• Smoking inside the common areas is strictly
prohibited.
• Included in Home user Guide also.
• Signage in lifts, lobby area - as non smoking
area.
Indoor Air Quality
Daylighting
Tower-A :100% of regularly
occupied spaces
Tower-B : 87%
Tower C > 80%
Indoor Air Quality
Fresh Air Ventilation
Non-airconditioned building.
Min openable window area
to the carpet area ration : >
15%
IGBC Certification
IGBC Certification
Our Green Buildings so far…
Project Rating Received as on
Mahindra Chloris Certified: Platinum July, 2011
Mahindra Splendour Pre-certified: Platinum Sept, 2009
Mahindra Royale Pre-certified: Platinum April, 2009
Mahindra Aqualily Pre-certified: Gold Dec, 2009
Mahindra Eminente Pre-certified: Gold Sept,2010
Mahindra Aura, Delhi Pre-certified: Gold Sept,2011
Prakriti, Pune Pre-certified: Gold Jan, 2012
Iris Court, Chennai Pre-certified: Gold Feb,2012
Bloomdale, Nagpur Pre-certified: Gold Sep, 2012
Ashvita, Hyderabad Pre-certified: Gold Oct, 2012
MLDL Project Vihar, Chennai Pre-certified: Certified Oct, 2012
Our Green Buildings so far…
Highlights for FY 11-12
• Flyash Utilization = 19215MT
• Top Soil Preservation = 38940 Sq.m. or (Approx. 7800 cum)
• CO2 emissions = 0.006 MT/per Sq.ft of Area constructed
• Direct + Indirect Energy = 0.065 GJ/per Sq.ft of Area constructed
Top Soil Preserved till date : 59,940 Sq.m
Flyash Utilization till date: 30,000 MT
Green nnovation i
R&D in our Green Building : Low carbon strategy
R&D : Low carbon Initiatives
a) HVFAC Road Cross section, Strength gain charts
High Volume Fly Ash Concrete (M25)
Layer - 2 (75mm)
GSB - 150mm Layer - 1 (75mm)
Subgrade - 150mm
OGL - Cutting, Filling
Cross-section of Road
R&D : Low carbon Initiatives
a) HVFAC Road
R&D : Low carbon initiatives
b) Enzyme Roads
Clearing and Leveling Filling of Murrum Enzyme Dosing as per
available at site Soil Properties
Leveling by Roto-tiller Mixing of Enzymes Sprinkling Enzymes in
with Soil by Roto-tiller Filled up Murrum
R&D : Low carbon initiatives
b) Enzyme Roads
Compaction by Vibro Roller Final Compacted Compaction test -
Sub-base Immediate
Top Layer by HVFAC
R&D Initiatives: ‘No’ to Cement Sand plaster
1) Gypsum Plaster with Spray machine
Objective: Brief description of the process:
Automating the process of wall plastering High purity gypsum plaster mixed with
retarders is applied to internal walls with
spray machines to get desired thickness.
Major Benefits:
50% Time savings
Better look, feel & finish of the flats
Zero wastage during application
R&D Initiatives: Low/Zero VOC paint with spray
2) Building painting with Spray machine
Objective: Brief description of the process:
Automating the process The Primer is applied with the spray machine
followed by two coats of paints by spray.
Major Benefits:
60% Time savings
Uniform finish without any brush, roller marks
after painting with spray
R&D Initiatives: Low carbon initiative
3) Ferrocrete for swimming pool
Objective: Description:
Economic design , less time The cement mortar mix is reinforced with
chicken wire mesh to form the structure.
Major Benefits:
Any shape possible
Water resisting behavior
R&D Initiatives: Low carbon initiative
4) Lost in place formwork for boundary walls
Objective: Brief description of the process:
To identify and implement an alternate The wall Panels are made using glass fibre
method for boundary wall construction which reinforced water resistant gypsum plaster and
is faster than conventional boundary walls fixed at site using infill concrete at joints
Major Benefits:
Due to its ductile property, has got good
earthquake resistance
Faster construction
Low embodied energy (made from recycled
gypsum)
R&D Initiatives: Low carbon initiative
5) Polymer mortars for brickwork
Objective: Description:
To do brickwork using polymer mortars in Pre-mix polymer mortars are directly applied
place of conventional cement-sand mortars over the bricks to an average thickness of
4mm on sides and top to achieve bonding
between the brickwork.
Major Benefits:
Zero cement
Zero River sand
Zero water (during & post application)
Cost effective
Better bonding strength than conventional
R&D Initiatives: Low carbon
6) Concrete door frames
Objective: Brief description of the process:
To identify an alternative cost effective less Can be monolithic , can be precast
moisture absorbing door frames in place of
wooden door frames
Major Benefits:
Resistance to cracking, Shrinkage
Less Water absorption
Resistance to twisting / warping, borers
Higher strength. NO to WOOD
R&D Initiatives: Conventional Construction
7) Fly Ash blended sand for external plasters
Objective: Brief description of the process:
To identify an alternative cost effective The fly ash blended sand is mixed with
external plaster solution in place of cement in a ratio of 1:7 to make plaster mix
conventional cement- sand plaster, for external walls
Major Benefits:
Less cement required hence cost effective, low
carbon intensive
No impurities, No sieving of sand
R&D Initiatives: Conventional Construction
8) Alternate Floor protectors
Objective: Brief description of the process:
Polypropylene Sheets (250 GSM, 500GSM) in
To identify a cost effective alternative floor place of conventional POP and plastic sheet
protectors which is easy to do immediately
after flooring
Major Benefits:
Easy to install
Tidy work environment
Can be re-used, recycled
Less labour
50% time savings
Got scrap value even after re-use
