01-06M
in Article, PLUMBING FIXTURE SCHEDULES. Special equipment demands such
as dishwashers must be added to the water heater load.
7.3 Size the hot water supply and return lines by the heat loss method as
outlined in the ASHRAE GUIDE AND DATA BOOK, not to exceed 5 degrees C
(10 degrees F) heat loss. Dead ends shall be limited to 6 m (20 feet).
7.4 Provide combination shut-off and balancing valves in the hot water
return circulating lines.
8. DRINKING WATER EQUIPMENT
Provide wall hung, self-contained, electric, high-low type, wheelchair
accessible, water coolers.
9. SANITARY AND STORM DRAINAGE SYSTEMS
9.1 See Article, PLUMBING FIXTURE SCHEDULES, for fixture units and
waste/vent minimum fixture branch sizes.
9.2 Provide an adequate number of sanitary and storm connections from a
building. Design each sanitary sewer connection not to exceed 300 mm
(12 inches) diameter, and provide at least two connections from each
building [exception: one sewer is adequate for a building that can be
served by a 150 mm (6 inch) or less diameter pipe]. Maximum allowable
size for storm drain is 375 mm (15 inches). Base storm frequency on
local code.
9.3 Kitchen waste shall be provided with a grease removal system.
9.4 Do not drain outside building sub-soil drain tile to an interior sump
pump. If a pump is required, locate it outside of the building.
9.5 Where reduced pressure backflow preventers are required (Master
Specification 15400), provide positive drainage.
10. INTERIOR FUEL GAS SYSTEM
Design in accordance with NFPA 54.
11. MEDICAL GAS AND VACUUM SYSTEMS
Use existing equipment if adequate capacity is available.
11.1 Medical compressed air, oxygen, and medical vacuum systems (AOV) shall
comply with current editions of NFPA 50 and 99, Compressed Gas
Association Standards, Master Specification 15491, and the following:
11.2 Requirements for AOV may range from 10 to 100% of the beds, to be
determined on project basis by agreement between the VA medical center
director, regional director, and the Assistant Chief Medical Director
for Geriatrics and Extended Care.
11.3 During early stages of the project, perform the following:
A. Test water or obtain analysis from the medical center to determine if
additional water treatment is required for liquid ring equipment. If
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