// CODE SNIPPET
407.2 Outdoor Air Intakes and Exhaust Outlets
JUMP TO FULL CODE CHAPTER
Outdoor air intakes shall
be located at least 25 feet (7.62 m) from exhaust outlets of ventilating systems, combustion equipment stacks, medical-surgical vacuum systems, cooling towers, and areas
that may collect vehicular exhaust or other noxious
fumes. Plumbing vents shall be located in relation to outdoor
air intakes per California Plumbing Code. The bottom
of outdoor air intakes shall be located a s high as
practicable, but not less than 10 feet (3048 mm) above
ground level. If installed above the roof, they shall be
located 18 inches (457 mm) above roof level or 3 feet (914
mm) above a flat roof where heavy snowfall is anticipated.
Exceptions:
- These dimensions may be reduced if it is demonstrated by the submission of details and calculations that location of intakes with respect to exhausts and their orientation, or the use of special filters, provides equal performance.
- The requirements regarding the bottom of outdoor air intakes and installation through the roof do not apply to skilled nursing facilities, intermediate-care facilities or nonsensitive areas in correctional treatment centers.
Exhaust outlets shall be
located a minimum of 10 feet (3048 mm) above adjoining grade and 10 feet (3048 mm) from doors, occupied areas,
and operable windows.
Exception: Airborne infection isolation rooms shall
comply with Section 414.1.
Related Code Sections
407.2 Ventilation Air, Outdoor Air Intakes and Exhaust Outlets
Outdoor air intakes shall
be located at least 25 feet (7.62 m) from exhaust outlets of ventilating systems, combustion equipment stacks, medical ...
California Mechanical Code 2019 > 4 Ventilation Air > 407.0 Ventilation System Details > 407.2 Outdoor Air Intakes and Exhaust Outlets
407.2 Ventilation Air, Outdoor Air Intakes and Exhaust Outlets
Outdoor air intakes shall be
located at least 25 feet (7.62 m) from exhaust outlets of
ventilating systems, combustion equipment stacks,
medical ...
California Mechanical Code 2016 > 4 Ventilation Air > 407.0 Ventilation System Details > 407.2 Outdoor Air Intakes and Exhaust Outlets
418.3.4 Ventilation Air, Sterilizer Relief Valve
The ventilation of sterilizer relief valve is required through a pipe connected to
the outlet of the relief valve exhausted directly to the
outdoors ...
California Mechanical Code 2016 > 4 Ventilation Air > 418.0 Design Requirements for Ethylene Oxide (Eto) Sterilization Areas > 418.3 Ventilation Requirements > 418.3.4 Sterilizer Relief Valve
418.0 Ventilation Air, Design Requirements for Ethylene Oxide (Eto) Sterilization Areas
of sterilizer relief valve is required through a pipe connected to
the outlet of the relief valve exhausted directly to the
outdoors at a point high enough ...
California Mechanical Code 2016 > 4 Ventilation Air > 418.0 Design Requirements for Ethylene Oxide (Eto) Sterilization Areas
418.3 Ventilation Air, Ventilation Requirements
of the relief valve exhausted directly to the
outdoors at a point high enough to be away from passersby, and not near any windows that open, nor near any ...
California Mechanical Code 2016 > 4 Ventilation Air > 418.0 Design Requirements for Ethylene Oxide (Eto) Sterilization Areas > 418.3 Ventilation Requirements