1.3.8 NON-AIR CONDITIONED AREAS
See Article 2.10, VENTILATING SYSTEMS.
1.3.9 ENTRANCES
Use forced air heater at all building entrances in frequent use where
ambient temperatures are 4 degrees C (40 degrees F) and below.
1.3.10 EXTERIOR STAIRS
Provide heat in all exterior stairs.
1.3.11 CONNECTING CORRIDOR HVAC
Provide cooling and heating, as approved by the VA, in the connecting
corridor between the buildings.
1.3.12 NOISE CRITERIA
See Table 1-5 below:
Table 1-5 Noise Level
Type of Rooms
NC Level
Patient
35
Examination Room, Endoscopy and Bronchoscopy
35
Audio Suites, Audio Speech Pathology
35
Phono/Cardiology
35
Chapels
40
Conference
35
Auditorium, Theaters
40
Operating Rooms (Major and Minor)
35
Offices, Small Private
40
Offices, Large Open
35
Pharmacy
40
Lobbies, Waiting Areas
35
Treatment
40
Corridors, Nurse Stations
40
Bathrooms, Toilets
40
Laboratories
45
SPD, Dining, Food Service/Serving
45
Therapeutic Pools
45
Laundries
50
Gymnasiums, Recreation Rooms
50
X-Rays and General Work Rooms
40
Laundries
50
All Other Occupied Areas
35-40*
* Consultants shall discuss with VA any specific area requiring NC
levels outside this range.
1.3.12.1 The above NC values may be increased for unitary equipment
within occupied spaces if approved by the VA.
1.3.12.2 Sound level of operating equipment, such as fans, chillers.
Cooling towers etc. must be considered in the design of HVAC systems.
Use sound attenuators, if required.
1.3.12.3 See Paragraph 1.7.4 for cooling tower noise requirements.
HVAC DESIGN MANUAL
1-15
GENERAL REQUIREMENTS
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