accessories, cables etc., other than those described above, shall be included in the offer, as no claims for variations shall be allowed for lack of knowledge in this respect.
1.4. Prior to placing order for any equipment, the Contractor shall submit, for
Engineer’s study, comments and final approval, relevant Specifications; catalogues/descriptive technical literature; complete installation, operation and maintenance manuals relating to the various components and accessories proposed for the system.
1.5. Prior to commencing any installation works, the Contractor shall submit
comprehensive workshop drawings for Engineer’s study and approval.
1.6. The Contractor shall ensure all components of the system, particularly the
cameras, monitors, VCR etc. shall be manufactured to Internationally accepted Standards by one manufacturer of international repute.
1.7. The Contractor shall ensure that all equipment, accessories and components
supplied shall be manufactured to stringent standards based on the latest technology available in the market.
1.8. The Contractor shall ensure power supplies via 13A switch socket outlets will
SPECIFICATIONS ELEC/SPEC.16782.
File: ELECSPEC16782.doc
Closed Circuit Television and Video Security Surveillance System
Page 2 of 6
1.9. All equipment, component, accessories and materials shall be guaranteed by
the Contractor/ Manufacturer for a minimum period of two years after handing over. The guarantee shall cover repair and replacement of defective materials.
2. SYSTEM CONCEPT
2.1. The Security Console comprising controllers/CPUs, TV monitors, VCR etc.
shall be located in each Security Room on the ground floor. Pictures on dedicated monitors for each camera shall be observed for surveillance of all areas simultaneously. In addition, manual/automatic Switcher on the Master Monitor shall facilitate sequential viewing of pictures from all cameras in both the floors.
2.2. The system shall be designed to operate on 12V d.c.
3. SYSTEM COMPONENTS, DEVICES AND ACCESSORIES
3.1. DIGITAL VIDEO SERVER (DVS) AND NETWORKED SERVER
SYSTEM
The various components of the DVS and Networked Server System shall conform to the following Specifications:
3.1.1. DIGITAL VIDEO AND EVENT RECORDER
The System shall be run on the latest available Windows operating system. The system shall provide recording capacity for 7 days and shall be complete with state- of-the-art video motion detection software, powerful connectivity TCP/IP connectivity via PSTN, ISDN and Ethernet with network management tool, and PTZ software. The system shall be designed for recording, playback and live display, enabling playback and live display while recording is in progress.
3.1.2. BUILT-IN MATRIX SWITCHER
3.1.2.1.The Video Matrix Switcher shall be digital microprocessor
based cross-point system comprising colour Video
Multiplexers, external controller/CPU, matrix input/output
bays, control keyboards, alarm interface unit, interface relay unit, ASCII translator unit, receiver/driver units, Graphic User Interface Software and complete with all necessary accessories and components deemed necessary for a high quality high performance video switching and control system.
3.1.2.2.The Video Matrix Switcher shall have the capacity for up to 16
cameras with 4 monitor outputs. The system shall be modular in construction and shall be designed to be programmed for up to 16 sequences, which can be run independently from each other in either a forward or reverse direction. The matrix bays shall provide for vertical interval switching of properly phased inputs to all video outputs. The system shall be designed to
SPECIFICATIONS ELEC/SPEC.16782.
File: ELECSPEC16782.doc
Closed Circuit Television and Video Security Surveillance System
Page 3 of 6
accept video input levels in the range 0.5 to 2.0 volts peak to peak.
3.1.2.3.The Video Multiplexer shall be configured for desk top use and
shall be designed to record up to sixteen colour video inputs on a single VCR with the following operational and performance Specifications:
a) Duplex operation to facilitate video recording while
viewing live or playback video on full or multi-screen.
b) Automatic speed tracking that will facilitate VCR
recording speed to automatically adjust and control the multiplexer record speed via the VCR’s head switching pulse.
c) Provision of three monitor outputs, first for full screen
and/or multi-screen multi-camera viewing in live or playback modes, second for full screen viewing of live cameras and the third for automatic sequencing of full screen viewing of live cameras.
d) Provision of time, date and camera title displays.
3.1.2.4.The control keyboards shall be equipped with a joystick and
shall provide complete control of all system functions inclusive of the following :
a) Control of camera to monitor selection.
b) Control of Panning, Tilting and Zooming functions
of cameras.
c) Alarm monitoring.
d) Macro-programming and operation.
3.1.2.5.The alarm interface unit shall be connected directly to the
controller/CPU and shall provide for the monitoring of up to 64 contact closure alarm inputs.
3.1.2.6.The interface relay unit shall be designed to accept TTL inputs
from the controller/CPU and provide up to 64 single-pole single-throw NO/NC selectable outputs for the operation of external devices.
3.1.3. STORAGE AND ARCHIVAL
Records of up to 30 days shall be kept on the hard disk for immediate accessibility. Outdated video shall be archived or overwritten or further compressed and stored.
3.1.4. VIDEO MOTION DETECTION (VMD)
A motion detector module with three levels of sensitivities shall be provided to monitor up to 16 camera inputs in real time. Any number of areas may be selected for motion trigger in any one view.
SPECIFICATIONS ELEC/SPEC.16782.
File: ELECSPEC16782.doc
Closed Circuit Television and Video Security Surveillance System
Page 4 of 6
A day shall be divided into 96 x 15 minute time zone slots. In each slot, settings like date of recording, quality, actions to be initiated by an ordinary alarm and/or VMD may be defined individually. Once defined and named, a time zone may be used for any number of cameras on any number of units.
3.2. CAMERAS
3.2.1. All cameras shall be aesthetically designed and shall be of small,
compact, lightweight and robust construction, housed in
tamper/impact resistant enclosures.
3.2.2. All indoor Dome cameras shall be of approximately 5” diameter and
of solid state compact construction design complete with variable speed/high speed pan and tilt drive units, high quality 5-50 mm 10X zoom lenses with 1/4” CCD interline transfer image format for satisfactory surveillance with minimum illumination of 0.02 lux at signal level of 50 IRE, high gain. The cameras shall be of high horizontal resolution colour capable of 480 TV lines. The signal to noise ratio shall be greater than 48 dB. The cameras shall be complete with clear dome cover and built-in digital motion detector. The cameras shall be capable of 360 degrees endless panning with minimum preset panning speed of 240 degrees/second and manual panning speed of 120 degrees/second. Remote control functions shall be carried out with single co-axial cable. The pan and tilt drive shall provide programmable limit stops for manual panning, auto/random scanning and frame scanning.
3.2.3. All fixed cameras with or without pan/tilt heads shall be of 1/3” super
dynamic solid state CCD type complete with appropriate high quality lenses for satisfactory surveillance with minimum illumination of 0.008 lux, with F1.2 lens. The cameras shall provide remote control function with single co-axial cable and shall be complete with built-in digital motion detectors, electronic sensitivity enhancers etc. All cameras shall generally comply with the Specifications of dome cameras described in item 3.2.2. above.
3.2.4. Cameras shall provide excellent picture quality under all levels of
illuminance, and shall adjust automatically to all light conditions.
3.2.5. Cameras shall provide instant pictures with no warming-up time and burn-in effects.
3.2.6. All cameras shall be designed to be immune to the ill-effects of
vibrations, shock, magnetic fields, transients etc.
3.2.7. Externally installed cameras shall be housed and protected by robust
weather-proof enclosures to comply with minimum degree of
protection IP 65.
3.3. VIDEO COLOUR MONITORING SYSTEM
3.3.1. The Master Monitor shall be capable of switching and connecting
the number of cameras indicated in the drawings.
3.3.2. When switching from one camera to another, the blanking time shall
SPECIFICATIONS ELEC/SPEC.16782.
File: ELECSPEC16782.doc
Closed Circuit Television and Video Security Surveillance System
Page 5 of 6 3.3.3. In addition to the ON/OFF/VOLUME, BRIGHTNESS and
CONTRAST controls, the following features shall be provided:
a) Manual Camera Selection.
b) Automatic Camera Sequencing
c) Sequencing Programming.
d) VCR Replay with audio/video input and output sockets for
connection to VCR and/or Slave monitor.
e) Alarm with Manual and Remote triggering and signalling.
f) Built-in audio-amplifier and loudspeaker for sound
productions from the active camera.
3.3.4. The monitors shall be high quality high resolution CRT and of solid
state electronic design. Colour video monitors with 21 inch colour tube shall be for the multiplexed output monitor and 15 inch colour tube for the sequential output monitor. The monitors shall be designed for a minimum resolution of 450 lines (center) for 21 inch camera and 650 lines for the 15 inch camera with the geometrical distortion less than 3%.
3.3.5. Each monitor shall be housed in a sturdy metal enclosure to reduce
radio frequency interference, and shall be equipped with an internally regulated power supply.
3.4. VIDEO CASSETTE RECORDERS
3.4.1. Sufficient numbers of VCRs shall be provided to facilitate recording
of all cameras using multiplexers.
3.4.2. The operational and performance characteristics of the VCRs shall
comply with the following Specifications :
a) 6/18/30/54/78/96/102 hour time-lapse recording facility. b) One-button recording check.
c) Super resolution option.
d) Search using alarm index, time and date, skip, counter
memory stop.
e) On-screen programming.
f) Interfacing and synchronizing with multiplexers. g) Automatic head cleaning.
h) Elapsed time display.
i) Tape use counter.
j) 460 TVL recording/playback in super recolution mode with
standard VHS tape.
3.5. PANNING AND PAN/TILT MECHANISM HEADS
Panning and Pan/Tilt heads shall be of robust construction and shall be suitable for the size and weight of respective cameras, and shall be complete with all cabling and accessories up to the respective controllers in the Master Monitor Room.
3.6. SYSTEM CONTROLLER
SPECIFICATIONS ELEC/SPEC.16782.
File: ELECSPEC16782.doc
Closed Circuit Television and Video Security Surveillance System
Page 6 of 6
i) Minimum 64 positions focus, zoom ratio and rotating modes
ii) Lens zoom ratio, focus and iris controls.
iii) Auto and manual Pan/Tilt controls.
iv) Camera position and setting controls.
RECOMMENDED MANUFACTURERS