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Prof. Ranjith Dissanayake
Head, Dept. of Civil Eng., Uni. of Peradeniya
VP, Green Building Council Sri Lanka1
“Sustainability”
&
“Construction”
…contradicting each other
2
Construction?
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Construction?
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5 6
8 9
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EnvironmentalEconomic
Sustainable
Construction
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BuiltNatural
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Theoretical
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16 17
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BUILTTHEORITICAL
NATURAL
ENVIRONMENT
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BUILTTHEORITICAL
NATURALSUSTAINABILITY
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Construction
Sustainable construction
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Man
agem
ent
Mate
rials
an
d
Resourc
es
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GREENSL® Project Certification
40–49 points
50–59 points
60–69 points
70 points & above
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APPLICATIONS
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Holcim Awards
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Community library and
social recuperation,
Ambepussa.36
Community library and social recuperation, Ambepussa.
The slender building with a footprint of 1,400 sq m sits lightly in the landscape and wraps around an inner courtyard, taking full advantage of cross ventilation and daylighting. Rammed-earth walls and recycled materials
37
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Mate
rials a
nd
R
esource
s
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MAS Holding, Thuruliya Sri Lanka
There are countless definitions of sustainability. Many are based on the three-pillar model: a project is considered sustainable when it responds equally to economic, ecological, and social factors –which often can be measured only subjectively – and brings these into lasting balance.
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Quantum change and transferability Ethical standards and social equity Ecological quality and energy conservation Economic performance and compatibility Contextual response and aesthetic impact
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No Name of the Project Award
1 Central Engineering Consultancy Bureau (CECB)
Gold
2 Holy Family Convent, Kaluthara
Gold
3 Hatton National Bank, Kalmunai
Platinum
4 Department of National Archives
Silver
5 Vario Systems Electronics (Pvt) Ltd, Badalgama
Platinum
6 World Trade Center, Colombo-01
Gold
Certification Projects
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50 51
Chiller replacement project
Work description
Energy
savings in Rs
(million)
Estimated
implementation
cost in Rs
(million)
Simple
payback
period
(years)
Install 1st 900 RT chiller 13.7 41 3
Install 2nd 900 RT chiller 13.7 41 3
Install three new chilled water
pumps and three new condenser
water pumps to suit new chillers
with piping modifications
9.5 24 2.5
Total Rs.36.7 million Rs. 106 million 2.9 Years
Introduction
GBCSL
RATING SYSTEM
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is to transform the construction industry with green building practices to ensure the future wellbeing of our motherland….
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Prof. Ranjith DissanayakeHead, Dept. of Civil Eng., Uni. of PeradeniyaVP, Green Building Council Sri Lanka
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OLD NEW
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Arukkal
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Arukkal
Call for a consultancy
Puttalama
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73
•Very Good
•Poor
•Good
•OK
•Good
Condition of Bridges
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74
Bridge No 2
75
New
Repair
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New DESIGN
77
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79
Repair
New
80
75%
81
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82
Moving ?
85
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86
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90
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95 96
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101
New
Repair
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115
