Which of the following is effective at reducing potable water consumption indoor

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试卷: LEED GA模拟题D[查看]
Which of the following is effective at reducing potable water consumption indoors?
A: Implementing cooling tower water management
B: Increasing potable water demand
C: Installing fixtures that meet the EPAct 1992 standard
D: Installing low-consumption flush fixtures and low-flow rate faucets

参考答案: D

本题解释:
Notes:

Reference: LEED 2009 for New Construction and Major Renovations Rating System

A:Cooling tower water management is part of process water reduction.
B:Increasing demand would not reduce consumption.
C:EPAct 1992 is the standard used to calculate baseline water usage, not the design case. EPAct 1992 mandated the use of water conserving plumbing fixtures in residential, commercial and industrial buildings. The answer choice of \'Installing fixtures that meet the EPAct 1992 standard\' only meets the baseline standard and does not contribute to reducing potable water use for the purposes of earning LEED credits.

The fixture and flow rates of EPAct 1992 are used to set the water use baseline for a building. The design case must reduce water use 20% over the baseline. In order to do this low flow fixtures must be used in the design, or replacing potable water with graywater/stormwater. Think of the fixtures and flow rates of EPAct 1992 as the worst case scenario.
D: The intent of the Water Efficiency category is to reduce potable water demand (not increase it).

Low-flow fixtures help reduce potable water consumption indoors.