Community College of Allegheny County OCS Security Camera System Pittsburgh, PA
when exposed to rain as specified in NEMA 250, winds up to 85 mph and snow cover up to 24 inches thick. Use NEMA 250, Type 4X enclosures. 4. Security Environment: Camera housing for use in high-risk areas where surveillance equipment may be subject to physical violence.
1.7
WARRANTY
A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of cameras, equipment related to camera operation, and control-station equipment that fail in materials or workmanship within specified warranty period. 1. Warranty Period: Three years from date of Substantial Completion.
PART 2 - PRODUCTS
2.1
SYSTEM REQUIREMENTS
A. Video-signal format shall comply with NTSC standard, composite interlaced video. Composite video-signal termination shall be 75 ohms. B. Surge Protection: Protect components from voltage surges originating external to equipment housing and entering through power, communication, signal, control, or sensing leads. Include surge protection for external wiring of each conductor's entry connection to components. C. Tamper Protection: Tamper switches on enclosures, control units, pull boxes, junction boxes, cabinets, and other system components shall initiate a tamper-alarm signal when unit is opened or partially disassembled. Control-station, control-unit alarm display shall identify tamper alarms and indicate locations.
2.2
STANDARD CAMERAS
A. CAMERAS SHALL BE AS MANUFACTURED BY AVIGILON. See drawings for additional information.
2.3
POWER SUPPLIES
A. Low-voltage power supplies matched for voltage and current requirements of cameras and accessories, and of type as recommended by manufacturer of camera , infrared illuminator , and lens. 1. Enclosure: NEMA 250, Type 4X.
282000-3
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