06-06M
6.3 Size the hot water supply and return lines, if required, 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).
6.4 Provide combination shut-off and balancing valves in the hot water
return circulating lines.
7. DRINKING WATER EQUIPMENT
Provide wall hung, self-contained, electric, wheelchair accessible, water
coolers.
8. SANITARY AND STORM DRAINAGE SYSTEMS
8.1 See Article, PLUMBING FIXTURE SCHEDULES, for waste/vent fixture units
and minimum fixture branch sizes.
8.2 Provide an adequate number of sanitary and storm connections from a
building.
Base storm drainage system design on 100-year storm
frequency for one hour.
8.3 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.
8.4 Where reduced pressure backflow preventers are required (Master
Specification 15400), provide positive drainage.
9. RISER DIAGRAMS
9.1 Provide diagrams for the following systems installed within the
buildings: Soil, waste and vent; cold water; hot water; hot water
return; and storm water.
9.2 Riser diagrams may be shown flat, or in isometric projection.
Show
story heights, size of all horizontal and vertical piping, fixture
numbers being served, and means of connection between fixtures and the
stacks and mains.
Show each system complete and continuous.
10. SEISMIC REQUIREMENTS
10.1 GENERAL:
A. Earthquake-resistive design shall comply with the requirements of
Design and Construction Procedures, "Natural Disasters Non-Structural
Resistive Design"; the latest edition of "Seismic Design
Requirements"; and the Uniform Building Code (UBC) published by
International Conference of Building Officials (ICBO).
B. Equipment and piping shall be braced in accordance with the most
current edition of Seismic Restraint Manual Guidelines for Mechanical
Systems (SMACNA) and National Uniform Seismic Installation Guidelines
(NUSIG).
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