Quantcast Autopsy and Morgue Exhaust Systems

 
  
 


2.11.3.5.6 Provide visible and audible alarms, local as well as at
Engineering Control Center (ECC). Alarms shall indicate status and failure.
2.11.4 AUTOPSY AND MORGUE EXHAUST SYSTEMS
Provide a dedicated exhaust system for the Autopsy Suite with the following
features:
(a) The exhaust fan shall be located at or near the roof with the fan
discharging above the highest point of the building.
(b) Provide a HEPA filter in the exhaust air duct at or near the exhaust fan.
See VA Standard Detail 15900-10.
(c) Provide a pressure-independent, constant volume, airflow control valve in
the exhaust air stream to maintain constant airflow with the varying system
resistance.
(d) Provide a canopy (Type A) exhaust hood above the top of the dissecting
tables (HW 801 and HW 802). Exhaust air quantity shall not exceed 0.5 m/s
(100 fpm) of the hood face area.
(e) Provide down draft exhaust for HW 800 type dissecting tables. Coordinate
exhaust air quantity and use of exhaust plenum and adjustable damper with the
equipment manufacturer.
(f) In Gross Specimen Storage Room, locate ceiling exhaust air registers
above the sink counter area to exhaust chemical fumes.
(g) Exhaust room air near each autopsy table by placing two wall registers
approximately 178 mm (7 inches) above finished floor.
(h) Exhaust approximately 1.5 Cu M/Min (50 CFM) from the cold room (mortuary
refrigerator) when the room light is on. Provide an interlock of the exhaust
damper with the cold room door switch. See HVAC Standard Detail 15900-10.
2.11.5 ETHYLENE OXIDE (ETO) STERILIZER EXHAUST SYSTEMS
Provide a dedicated exhaust system to ventilate ETO sterilizer equipment,
mechanical chase, floor drains, deaeration units, and cylinder storage area.
The exhaust system shall be separate from the general exhaust system serving
SPD area. ETO exhaust systems shall comply with state and local code
requirements and ensure that the systems are designed to comply with these
requirements as well. See Article 3.20 for specific requirements.
2.11.6. ISOLATION ROOM EXHAUST SYSTEMS
2.11.6.1 GENERAL: In Article 1.3, Table 1-2, specific applications of the
isolation rooms are listed.
2.11.6.2 Negative Pressure Rooms: These rooms are required to remain under
negative pressure at all times with respect to the adjoining spaces and
anteroom, if required. This is to protect the adjoining spaces from the
patients.
2.11.6.3 Positive Pressure Rooms: These rooms are required to maintain under
positive pressure at all times with respect to the adjoining spaces and
anteroom, if required. This is to protect the patients from the adjoining
spaces.
HVAC DESIGN MANUAL
2-36
HVAC SYSTEMS AND EQUIPMENT



 


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