(a) Outdoor steam distribution shall be shown on "D" (DISTRIBUTION)
drawings.
(b) All boiler plant work shall be shown on "G" (GENERATION) drawings.
(c) Walk-in refrigerators/freezers in dietetic areas and in
laboratories shall be shown on "H" drawings.
1.2.3 INTERDISCIPLINE COORDINATION
HVAC design must be coordinated with all other disciplines, such as,
Architectural, Structural, Electrical, Plumbing and Site Planning. The
following HVAC related work is usually shown by other disciplines:
1.2.3.1 Architectural drawings and specifications show all louvers and
attached screens in exterior walls, all flashing for ducts and pipes
penetrating roofs and exterior walls, finish and identification,
painting walls and ceilings, access panels, chases, furred spaces, door
grilles, mechanical equipment rooms and penthouses.
1.2.3.2 Structural drawings and specifications show all concrete and
structural steel work, including catwalks, concrete housekeeping pads,
lintel supports around openings, and platforms for access to HVAC
equipment and supports for cooling towers and other large mechanical
equipment.
1.2.3.3 Electrical drawings and specifications show motor starters and
disconnects not furnished as part of HVAC equipment, smoke detectors
(duct and/or space mounted), all power wiring to HVAC smoke dampers,
motors, heating cable, controls for winterizing piping, day tank and
oil piping in the emergency generator room, and muffler exhaust pipe
for emergency generator.
1.2.3.4 Plumbing provides all domestic water make-up supply and drain
outlets, underground oil storage tank(s) and piping for emergency
generators.
1.2.3.5 Food service and medical equipment, shown on Architectural
drawings, include all controlled temperature rooms in laboratories and
all hoods in dietetic areas, laboratories, and research areas.
1.2.3.6 For additional information on steam consumption, connections to
equipment and ventilation requirements, see Program Guide, PG-7610.
1.3
BASIC DESIGN PARAMETERS
1.3.1 CLIMATIC CRITERIA
Design Climatic conditions are provided in Article 5.4.
(a) Summer: 0.4 percent design dry bulb and wet bulb Column 1a.
Winter: 99.6 percent design dry bulb Column 1b.
(b) Wet bulb design temperature for cooling tower: 0.4 percent - Column
3.
(c) Size pre-heat coils based on Annual Extreme Daily-Mean dry bulb
temperature listed in Min. Column.
HVAC DESIGN MANUAL
1-3
GENERAL REQUIREMENTS
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