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BEAM P
LUS FOR
N
EW
B
UILDINGS
W
ATER
U
SE
(W
U
)
V
ERSION
1.2
W
U
1 A
NNUAL
W
ATER
U
SE
Copyright © 2012 BEAM Society Limited. All rights reserved.
Page 128
5
W
ATER
U
SE
5.1
W
ATER
C
ONSERVATION
W
U
1 A
NNUAL
W
ATER
U
SE
E
XCLUSIONS
None.
O
BJECTIVE
Reduce the consumption of fresh (potable) water through the application
of water saving devices that have proven performance and reliability.
C
REDITS ATTAINABLE
3
P
REREQUISITES
W
U
P2 Minimum Water Saving Performance and compliance with
Waterworks Regulation Chapter 102A [1].
C
REDIT REQUIREMENT
1 credit for demonstrating that the use of water efficient devices leads to
an estimated aggregate annual saving of 20%.
2 credits for demonstrating an estimated annual saving of 25%.
3 credits for demonstrating an estimated annual saving of 30%.
A
SSESSMENT
Where the Client can demonstrate that the provision of equipment meets
the intent and the target percentage of reduction can be achieved, the
credit(s) shall be awarded according to the percentage of reduction
achieved.
The calculation methodology used for this credit shall be consistent
with Prerequisite WU P2.
1
Government of HKSAR Water, Bi-lingual Laws Information System (BLIS), Waterworks Regulations Chapter 102A.
http://www.legislation.gov.hk/blis_ind.nsf/WebView?OpenAgent&vwpg=CurAllChinDoc*102*100*102.2#102.2