HVAC Design
Manual Ref. and
others
2.12
E.
REFRIGERATION SYSTEMS FOR AIR
CONDITIONING
1.
Follow ASHRAE standard 15-94 for personnel safety in chiller rooms. VA
VA Design Alert
allows use of HCFC -123, HFC -134a, and HCFC - 22 refrigerants for its
FM-187C-DA8
chillers.
F.
MAINTENANCE OF MECHANICAL EQUIPMENT
1.
Provide guards, handrails, ladders, and platforms for maintenance to meet
"
OSHA requirements.
2.15
G. SEISMIC REQUIREMENTS
1.
See VA Construction Standard CD-54, VA Handbook H-18-8, and Uniform
2.15
Building Code.
2.
Provide seismic restraints for equipment where `Z' value is equal or greater
2.15.1.2
than 0.10. Comply with local code if there are more stringent requirements.
3.
Provide seismic bracing of piping and ductwork where `Z' value is equal or
2.15.1.2
greater than 0.20. Comply with local code requirements if there are more
stringent requirements.
4.
Z values of various VA medical Centers are listed in VA Handbook H-18-8.
2.15.1.2
Verify these values before proceeding on a specific project.
5.
VA allows use of SMACNA or NUSIG details for seismic bracing.
2.15.2 and 2.15.3
Contact Satish Sehgal at 202-565-5032, Kurt Knight at 202-565-4663, Don Walden 202-565-5014 or Sat
Gupta at 202-565-5268 for additional information.
3
September 2001
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