13 July 2006
bedrooms, with duplex jacks. Ensure that outlet locations are compatible with various
Comply with UFC 3-420-01, Design: Plumbing Systems, FEMP, and EPA Energy Star
Water Supply Cutoff.
Provide an interior shut-off valve on water supply line entering each housing unit.
Provide a curb stop/shut-off valve for each building that is located close to the water
Exterior Hose Bibs.
Provide hose bibs in easily accessible locations at front and rear of each ground floor
living unit, and provide frost-proof hose bibs in areas subject to freezing temperatures.
Domestic Hot Water.
Water heater efficiency should comply with FEMP recommendations. A "heat trap"
must be provided with all water heaters. Hot water piping should be protected with a
minimum R-5 insulation. The first 1.5 m (5 ft) of cold water supply to water heater tank
should also have minimum R-5 insulation. Where fuel-fired domestic water heaters are
provided, sealed combustion units are recommended.
Provide Drain-Waste-Vent (DWV) plumbing that complies with basic criteria in UFC 3-
420-01. Locate vent stacks to rear of housing units, and consolidate or eliminate
through-the-roof penetrations, when possible.
Condensate and Overflow Drains.
Provide drains for air-conditioning condensation, humidifier overflow, occupant-supplied
washing machines, and water heater drain and relief valves. Drains should discharge to
exterior or to waste water drain.