A building\\\'s design case for sewage conveyance requires 1,650 gallons of wate

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试卷: LEED AP ID+C 模拟试卷A[查看]
A building’s design case for sewage conveyance requires 1,650 gallons of water a day for an office building with 900 FTEs. The team has installed high efficiency toilets that use 1 gallon per flush and high efficiency urinals that use 0.5 gallons per flush. The office building is open 260 days per year. What amount of water will have to be treated to tertiary standards to earn Sustainable Sites Credit, Site Selection, Innovative Wastewater Technologies?
A: 214,500 gallons
B: 2,145 gallons
C: 1,650 gallons
D: 429,000 gallons

参考答案: D

本题解释:
Notes:

To earn the credit the project must reduce potable water use for sewage convenience by 50% OR by treating on-site and either re-using or infiltrating 100% of the wastewater.

The question asks about treatment which will require treating 100% of the wastewater.
This project uses 1,650 gallons/day for 260 days per year = 429,000 gallons