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BEAM P
LUS FOR
E
XISTING
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 96
5
W
ATER
U
SE
5.1
W
ATER
C
ONSERVATION
W
U
1 A
NNUAL
W
ATER
U
SE
E
XCLUSIONS
Water consumption in tenancy areas can be excluded.
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
Wu P2 Minimum Water Saving Performance.
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. Confirmation of the award of credits
shall take into account the appropriateness of the data used and the
estimated percentage of potable water saved.