LEED AP ID+C: Water Efficiency

Question 1

Energy POlicy Act of 1992

Answer 1

Addresses energy and water use in commercial, institutional, and residential buildings. Sets baseline flush rate for water closets (1.6 gpf) and urinals (1.0 gpf)

Question 2

Required water reduction for WE Prerequisite 1

Answer 2

20%

Question 3

Points possible for WE Credit 1: Water Use Reduction

Answer 3

30% = 6 35%= 8 40%= 11 (Exemplary Performance = 45%)

Question 4

WE Credit 1: Water Use Reduction Implimentation

Answer 4

Install low-flow and low-flush fixtures for toilets, urinals, restroom and kitchen faucets, showerheads, janitor sinks, metering faucets, and commercial prerinse valves.

Question 5

Uniform PLumbing Code or International Plumbing Code (2006)

Answer 5

Sets baseline flow rate for commercial lavatory faucets at .5 gpm at 60 pounds per square inch (psi), except in private applications (private applications-including hotel and hospital patient rooms- 2.2 gpm at 60 psi)

Question 6

WE Credit 1: List fixtures outside of the scope for water reduction calculations

Answer 6

commercial steam cookers, commercial dishwashers, automatic commercial ice makers, commercial clothes washers, residential clothes washers, standard and compact residential dishwashers.

Question 7

WE Credit 1: Imperative information for calculations

Answer 7

Manufacturers data for water consumption & usage group (FTE, building occupants by occupancy type)

Question 8

Water Efficiency: Fitxures and Standards

Answer 8

Showerheads = 2.5 gpm / 80 psi
Public metering lavatory faucets = .25 gp metering cycle
Kitchen and Janitor sink faucets = 2.20 gpm
Metering faucets = .25 gallons per cycle
Low Flow Shower and Sink = 1.8 gpm