K N O W L E D G E S E R I E S - NZEB17th M a y , 2 0 1 9 GREEN CONVERSATIONS: UNNATI 17-05-2019...
Transcript of K N O W L E D G E S E R I E S - NZEB17th M a y , 2 0 1 9 GREEN CONVERSATIONS: UNNATI 17-05-2019...
M a y | J u n e | J u l y 2 0 1 9
K N O W L E D G E S E R I E S
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1 7 t h M a y , 2 0 1 9
GREEN CONVERSATIONS:
UNNATI
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Commercial office building for GCPL, Greater Noida
SESSION MODERATOR
DEEPA PAREKHSr. Project Manager
Environmental Design Solutions
EXPERT PANEL
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ASHOK LALLOwner
Ashok B Lall Architects
VEVAIK MAHAJANManaging Director
UEDC
MARIYAM ZAKIAHSr. Green Building Analyst
Environmental Design Solutions
EXPERT PANEL
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INTRODUCTION
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INTRODUCTION
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Located in Greater Noida (composite climate)
Construction completed in 2018
3 storey with an area of 4,945 sq.m (53,208 sft)
Office building for GAINWELL CAT
part of 5 acre Industrial campus
Site
D.G. SHED
Built Up Area : 2200 sq.m
WORKSHOPBuilt Up Area : 6340 sq.m
OFFICEBuilt Up Area : 4945 sq.m
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RECOGNITIONS
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1st building in India to achieve Platinum
certification under LEEDv4 BD+C: NC rating system
ECBC Compliant
WHY ARE WE TALKING ABOUT THIS PROJECT?
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WHY ARE WE TALKING ABOUT THIS PROJECT?
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High-performance building design
Integrated design approach
Climate responsive building design
Low energy cooling system
CLIENT VISION
Develop a world-class facility for their
employees that is ecologically responsible
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DESIGN APPROACH, STRATEGIES AND WORKFLOW
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Minimizing GHG Emissions
Environmental responsibi l i t ies
To produce a safe, healthy and productive work place at minimum impact on the Environment.
Energy Conserv at ion and Energy E f f ic iency
Harness ing So la r Energy
Seques ter ing Carbon
B ioph i l ia
Water Management
Waste Management
Protection of the commons
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Mobase
Dae
wo
o E
lect
ron
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Videocon
Site
Site Area : 20910 sq.m
328 x 63.75 m 17-05-2019 GREEN CONVERSATIONS: UNNATI 14
Distributed daylight in all workspaces and shade over windows to protect from direct solar radiation
Industrial Workspace
• Controlled Daylight• Insulated Walls• Natural Ventilation • Tempered air ventilation
Office Workspaces
• Controlled Daylight• Reduced artificial light – LED• Shaded Windows• Insulated Walls and Glazing• Roof Garden
Energy Conservat ion and Energy E f f ic iency
Environmental responsibi l i t ies
• Efficient Air Conditioning System –Radiant cooling with tempered fresh air
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Harness ing So la r Energy
Environmental responsibi l i t ies
Figures, as given by NOHARA Solargy:
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Maximum opportunities for green foliage
Seques ter ing Carbon
‘Eco Reserve’
Peripheral Trees
Roof Top Garden Front Garden
Environmental responsibi l i t ies
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• Natural Daylight
• Energy Conservation
• Seques ter ing Carbon
In tegrated Sys tem
Environmental responsibi l i t ies
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Water Management
Harves t , Conserv e, T reat/C lean, Reuse 17-05-2019 GREEN CONVERSATIONS: UNNATI 19
Organic Waste to compost, Inorganic Waste to recycling trade, Toxic waste to safe disposal
Waste Management
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OFFICES
OFFICES
OFFICES
OFFICES
Ground Floor Plan
First Floor Plan
Second Floor Plan
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OFFICE - Plans
OFFICE - Section
Parking
Office
Terrace Garden
Open to sky landscaped
court Entrance
Product Display Area
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Office
OfficeOffice
Office
Office
Office
Office Office
Office
Office
Terrace Garden
OFFICE – Building Envelope
Overall Building
TERRACE GARDENInsulates the building
structure against heat
ingress from the roof
WALL INSULATIONXPS insulation forms the
building envelope
BASE INSULATIONInsulates the building
structure against losing
heat or coolth to the
ground
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OFFICE – Building Envelope
Wall Insulation
• Ensures quick construction• EPS is almost impermeable having a mere 2% water
absorption
• Fire rating of over 2 hours with a 2” protective cover of concrete on either side
• Effective sound attenuation(Sound transmission class of above 50STC)
• Structurally sound system of construction
Initial Installation
Concrete Spraying
Truss Reinforced Insulated Concrete Eco-Wall developed by Braj Green Product, India
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OFFICE – Daylighting
Summer Season
LIGHT SHELFDistributes glare-free
daylight into the depths of
the habitable spaces
SHADING DEVICEShading against direct solar
radiance is provided by
overhangs and projections
High altitude summer sun (84°)
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Office Workstations
Workstation Plan - Cluster of 6
STORAGE CABINETS (Towards the corridor)
Personal Cross-flow fans under each desk
Individually controlled Task lighting
CROSS FLOW FAN17-05-2019 GREEN CONVERSATIONS: UNNATI 26
First Floor Plan – Office layout
Circulation space
Circulation space
Cabins + Rooms
Open office
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SPACE CONDITIONING SYSTEMS
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DESIGN EXPLORATION PROCESS
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VRV
TOTAL TR: 160 TR
CHILLED WATER
W/RADIANT +
DISPLACEMENT
VENTILATION
AVG: 100 TR (INSTALLED)
RADIANT: 60 TR
AIR SIDE: 40 TR
OPERATIONAL ENERGY
SAVINGS OF MIN. 30%
OVER VRV
CHILLED WATER
VAV
TOTAL TR: 120
ALL AIR SIDE - 120 TR
OPERATIONAL ENERGY
SAVINGS OF 10% OVER VRV
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The space has high sensible part that makes radiant cooling viable
DESIGN EXPLORATION PROCESS
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RADIANT COOLING SYSTEM
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OFFICE – Active cooling system
FRESH AIR DUCTED SUPPLYFresh air supply also
handles the latent heat
load
RADIANT COOLINGRadiant cooling handles
the sensible heat load
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OFFICE – Passive cooling/ Active Free Cooling
NATURAL VENTILATIONWindows on opposite walls
induce natural ventilation
MECHANICALLY AIDED
VENTILATIONUsed when natural
ventilation is inadequate
even in cool weather
PASSIVE
COOLING SYSTEM
ACTIVE FREE
COOLING SYSTEM
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OFFICE – Radiant Heating System
RADIANT HEATINGThe pipes in the slab
circulate heated water,
thus warming the interiors
FRESH AIR DUCTED SUPPLYProvides tempered fresh air
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GREEN BUILDING FEATURES
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Truss Reinforced Concrete Wall Panels
Green Roof – Insulation & Reduce run-off
Radiant Cooling System
ENERGY EFFICIENT DESIGN
Building Management System
Double Glazed Windows
90% Spaces-access to Daylight & Views
LCA Assessment to meet LEED compliance
Envelope Commissioning
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Low-Flow Fixtures
30% Water Demand met by treated water
REDUCE, REUSE, RECYCLE
100% Stormwater Run-off Harvested
Native Vegetation
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Comparison of Energy Consumption (kWh)
37% Better than Conventional Building
59% Better than Conventional Building
An
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sum
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in k
Wh
40% Energy generated from Solar PV’s
EPI
60 kWh/m2/yr
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REDUCTION IN ENERGY CONSUMPTION 59%
REDUCTION IN WATER CONSUMPTION 70%
REDUCTION IN CO2 EMISSIONS 59%
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1/1 15/16 8/10 10/11 30/33
5/13 10/16 6/6 4/4
LEED SCORE 89(110) Points
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CHALLENGES
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APPROACH TO SUSTAINABLE DESIGN, VALUE-ADD, EASE OF OPERATIONS,
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FAVOURITE DESIGN FEATURE, ELEMENT, STRATEGY
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END OF WEBINAR
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#nzebindia contest
Share it on
social media
with location &
#nzebindia by
26th May, 2019
Show us a great
daylit space!
It has to be a
pic that YOU
have taken
The Winner
will get
featured !!!
DON’T FORGET TO #nzebindia
2 8 t h M a y , 2 0 1 9 @ 4 P M
GREEN CONVERSATIONS:
M N R E H E A D Q U A R T E R S ,
D E L H I
E X P E R T P A N E L :Bedanta Saikia, EDIFICE CONSULTANTS
Samdarsh Nayyar, SNC
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MARKET INTEGRATION AND TRANSFORMATION FOR
ENERGY EFFICIENCY
THANK YOU !
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