LIFE SAFETY ISSUES
HEATING, VENTILATING, AND AIR CONDITIONING
SMOKE AND FIRE PROTECTION
Per NFPA 90A, the following hazardous exhaust ducts shall not be housed in the same shaft carrying environmental supply, return or exhaust ducts:
Exhaust from fume hoods, ETO sterilizers, kitchen grease laden hoods ortho/prosthetic lab, and battery charging rooms.
Per NFPA 30, provide a dedicated exhaust system for each flammable and combustible liquid storage space. Provide an explosion proof motor and spark proof fan, and flow monitoring and alarm system.
Conform kitchen hood exhaust to NFPA 96.
Para. 3.12 and VA Master Spec Section 15250.
Where outdoor winter design temperature is -6.5 degrees C (20 degrees F) or less, provide building heating equipment on emergency power as required by NFPA 99.
Exhaust fans serving labs, emergency generator rooms, ETO exhaust, Xenon and Iodine gases, battery charging rooms, flammable storage rooms, Atrium smoke control, and HVAC equipment serving critical areas of OPCs in seismic and high risk hurricane areas etc.
LEAD LINING OF DUCT WORK
Provide lead lining on ductwork penetrating lead lined walls.
Radioactive Xenon gas and iodine require special exhaust system.