§ 205.66. Special ventilation requirements for new construction.
(a) Ventilation for new construction shall conform to the following:
Pressure Minimum Air Minimum Relationship Changes of Total Air All Air Recirculated to Adjacent Outdoor Air Changes Directly within Area Designation Areas Per Hour Per Hour to Outdoors Room Units Resident Room Equal 2 2 Optional Optional Resident Area Corridor Equal Optional 2 Optional Optional Physical therapy Negative 2 6 Optional Optional Occupational therapy Negative 2 6 Optional Optional Soiled workroom or soiled holding Negative 2 10 Yes No Clean workroom or clean holding Positive 2 4 Optional Optional Toilet room Negative Optional 10 Yes No Bathroom Negative Optional 10 Yes No Janitors closet Negative Optional 10 Yes No Sterilizer equipment room Negative Optional 10 Yes No Linen and trash
Negative Optional 10 Yes No Food preparation center Equal 2 10 Yes Yes Warewashing room Negative Optional 10 Yes Yes Dietary day storage Equal Optional 2 Yes No Laundry, general Equal 2 10 Yes No Soiled linen sorting and storage Negative Optional 10 Yes No Clean linen storage Positive Optional 2 Yes No Special Care Room/Isolation Negative 2 6 Yes No
(b) Central air systems shall be provided with filters having a minimum efficiency of 25% based on ASHRAE Standard No. 52-68 and certified by an independent testing agency. Central air systems shall have a manometer installed across each filter bed.
(c) Air supply systems shall be operated mechanically. Air exhaust and return systems shall be operated mechanically, except for air not required to be exhausted directly outdoors as indicated in subsection (a). Where subsection (a) requirements for outdoor air is optional, this air may be supplied directly by transfer ducts or grilles to adjacent spaces without being filtered through a central system. Air may not be transferred to or from corridors, to or from adjacent spaces, except as permitted in the applicable edition of the National Fire Protection Association 101 Life Safety Code which is currently adopted by the Department.
(d) The dietary dry storage and kitchenware washing rooms may use direct air from the kitchen without being filtered through a central system.
(e) The ventilation rates indicated in subsection (a) are minimum mandatory rates for the area listed and may not be construed as precluding the use of higher rates. For areas not listed, such as dining rooms, lounge and recreation rooms, solaria, and the like, mechanical ventilation rates are optional, but where mechanical ventilation is provided, the supply air shall be obtained from the outdoors through individual room units or from central systems. The unlisted room areas, if ventilated, shall contain an equal pressure relationship.
(f) Where mechanical ventilation is not mandatory or provided, the areas may be ventilated by outside windows that can be easily opened and closed.
(g) Outdoor air intakes may be no less than 25 feet from waste air discharges, such as discharge from ventilation systems, combustion stacks, plumbing vents, vehicle exhaust and the like. The bottom of outdoor air intakes serving central systems and kitchens may not be less than 3 feet above the finished grade or roof level.
(h) Ventilation air openings which are located near floors shall be installed not less than 3 inches above the finished floor.
(i) Air quantities in cubic feet per minute shall be indicated on the drawings for room supply, return and exhaust ventilation openings.
The provisions of this § 205.66 amended under section 803 of the Health Care Facilities Act (35 P. S. § 448.803); and section 2102(g) of The Administrative Code of 1929 (71 P. S. § 532(g)).
The provisions of this § 205.66 adopted August 29, 1975, effective September 1, 1975, 5 Pa.B. 2233; amended January 31, 1987, effective July 1, 1987, 17 Pa.B. 514; amended July 23, 1999, effective July 24, 1999, 29 Pa.B. 3999. Immediately preceding text appears at serial pages (242531) to (242533).
This section cited in 28 Pa. Code § 205.21 (relating to special care room).
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