Closed Circuit Television System Technical Specification

TABLE OF CONTENTS

1. SCOPE 
2. REFERENCES 
3. MONITORING REQUIREMENTS 
4. SYSTEM DESCRIPTION
5. SYSTEM OPERATION
6. SCOPE OF SUPPLY 
7. DELIVERABLES
8. COMMISSIONING AND TEST ACCEPTANCE
9. TRAINING 

Closed Circuit Television System Technical Specification

This article specifies the requirements of a Process Closed Circuit Television (CCTV) System.   The camera system shall be used to monitor the utility and process units   as specified by project.

2.0   Closed Circuit Television System Codes & References

American National Standards Institute (ANSI)

TIA-607 Grounding and bonding requirements for telecommunications

TIA-222-F Structural Standards for Steel Antenna Towers and Antenna Supporting Structures

3.0   Closed Circuit Television CCTV Monitoring Requirements

Each area shall be monitored as given in the project scope. The scope shall specify, the camera location, camera quantity, type and control location.

4.0   Closed Circuit Television CCTV System Description

4.1         Each process unit monitoring CCTV system shall be a matrix/multiplexer system with auto image scan and digital quad capabilities.   The system shall be capable of combining and monitoring up to 9 cameras and displaying each on the screen at the same time.  Manual overrides, or spot monitors, shall be used for full screen viewing of any one of the cameras.  The CCTV system shall utilize solid state, high-resolution wide band Red-Green-Blue (RGB) video in PAL (Phase Alternate Line) format.  Each camera shall have a motorized lens, tilt, and pan with the exception of the flare overview camera with zoom capability only.

4.2         CCTV  Monitors  in  the  process  unit  control  rooms  shall  be  ceiling  mounted  for maximum viewing ability by control room personnel.   Contractor shall supply all necessary mounting hardware for these monitors.

4.3         The cameras shall be installed in a stainless steel or aluminum, outdoor enclosure rated to the classification in which the camera is located with sun shroud, and wiper. Camera enclosures located in high heat areas shall be temperature-controlled with temperature-controlled pan-tilt-zoom and temperature-controlled junction box.   The camera enclosure shall be pole mounted.  The pole shall be surveyed and selected for the best coverage of all locations monitored as described in section 3 above. Mounting cameras on existing structures may be allowed with each case requiring final approval by the Owner.

4.4         The  transmission  medium  from  camera  electronic  component  enclosure  to  the process  control  room  CCTV  equipment  shall  be  single-mode  fiber  optic  cable installed in the available pipe rack and/or underground duct bank.   The electronic component enclosure shall be stainless steel, weather proofed, rated for the classification in which it is installed, and mounted at 1.4 meters (4.5 feet) from ground level.   Cable between cameras and the electronic component enclosure shall be protected in a galvanized conduit.

4.5         In emergency situations, the CCTV system shall allow for control of each process unit’s cameras from the Emergency Control Center (ECC) located in the General Services Building.  This station shall have all of the capabilities of the process unit control stations with the ability to view and control all cameras located in the plant.  A method such as an entry key or an access code shall be devised to limit access to the ECC CCTV station.

5.0   Closed Circuit Television CCTV System Operation

5.1         The unit  camera video  images shall  be  digitized  and  transmitted to  the  control processor at the individual Control Buildings via single-mode fiber strands.   The received signals shall be converted from digital to modulated VHF frequency and to a video image to be displayed on monitor screens at the corresponding process control centers.

5.2         Each process CCTV operator control center shall be a matrix/multiplexer system. The system shall be capable of monitoring up to 9 cameras.  Each monitor shall be capable of displaying 9 video images on the screen at the same time in auto-scan mode.  Spot monitors will be used for full screen viewing of any one of the cameras. The operator shall be able to manually zoom, focus, tilt and position any process unit camera to obtain the best angle and viewing area.   The flare cameras shall be capable of zoom only.

5.3         A  commercial  video  recorder,  VHS  or  Digital  Video  Recorder  (DVR),  shall  be provided as an option for keeping record of all video images.  The recorder shall be continuous recording with a minimum of 30 frames per second, the recording speed shall be capable of recording 168 hours (7 days) on a single storage medium, VHS tape or hard disk.

6.0    Scope of Supply

6.1         Video Camera and Mounting Equipment, as required.

6.1.1      Solid state 1/2” interline transfer (IL) sensor, Charge Coupled Device (CCD) type PAL color camera with 480 horizontal lines or better, Y/C (or S-video) video signal output, and operating voltage: 230V, 60Hz transform to 12 or 24V DC. Manually selectable 127/230 Vac power supply units/equipment shall not be used.

6.1.2      Motorized zoom lens, wide-angle, auto iris with transport filter.

6.1.3      Outdoor enclosure with sun shroud and wiper rated to the classification in which it is installed.

6.1.4      Position pan & tilt adapters and zoom/focus driver/controllers rated to the classification in which they are installed.

6.2         Monitors

6.2.1      21” PAL color Cathode Ray Tube (CRT) monitors provided with ceiling- mounting and cabling accessories.

6.3         Transmission Medium

6.3.1      Single-mode fiber optic cable from area control buildings to area fiber optic splice enclosure. Cable length to be measured before ordering.

6.3.2      Single-mode fiber optic cable from area fiber optic splice enclosure to camera location’s electronic component enclosures.  Cable length to be determined before ordering. Cabling shall be done in accordance with EIA 568.

6.3.3      RG-59/U 75 ohm, 20 AWG solid, 100% shielded, tinned copper braid Coaxial cable and 12 pair (22 AWG) stranded tinned, Z fold shielded, transceiver copper cable from camera to electronic component enclosure.  Cable length to  be  measured  before  ordering.  Grounding of  cables  shall  be  done  in accordance with EIA- 607 and NEC.

6.4         Transmission/Receiver Electronic Circuitry

6.4.1      One-way video port plus two-way data port transceiver unit at each camera location (one each) for single-mode fiber, PAL, optical AGC, Y/C video signal input, SC optical port and tilt/pan, zoom/focus control.

6.4.2      One-way video port plus two-way data port transceiver unit at control center for single-mode fiber, PAL, optical AGC, Y/C video signal input, SC optical port and tilt/pan, zoom/focus control.

6.4.3      Fiber optic to electronic converters for pan and tilt adapter and zoom/focus driver/controller.

6.4.4      Aluminum, weather-proofed pole mounted outdoor enclosures rated for the classification in which it is installed for electronic components and fiber cable termination shall be provided per each camera location.

6.4.5      Outdoor fiber optic splice/termination enclosure rated for the classification in which it is installed.

6.5         Operator Console

Each CCTV operator control center shall be a DCS console mounted, multiplexer based system with modular components.  The system shall include one (1) operator console and four (4) monitors. The operator shall be able to manually zoom, focus, tilt and position the specific camera to obtain the best angle and viewing area.  Flare pit overviewing camera will be zoom and focus enabled only. One (1) operator console per Control Building shall be provided and equipped with:

a. Digital image scan matrix/multiplexer unit (see Section 5.2).

b. Camera select, pan, tilt, zoom, and focus control keyboard.

c. Console space for electronic equipment mounting.

6.6         Video Recorder

6.6.1      A rack mount, front loading commercial video recorder, VHS or DVR, shall be provided as an option.   The recorder shall be time-lapse recording with a minimum  of  30  frames  per  second. The  recorder  shall  be  capable  of recording 168 hours (7 days) continuously on a single storage medium, VHS tape or hard disk.

6.6.2      The video recorder shall have a built-in clock/calendar for time and date of the event being recorded.  The video recorder shall provide programmable start and stop recording time from hour to weekdays.

6.6.3      The video recorder shall be able to play back in as many modes as it is capable of recording in.   Playback shall be clean and noiseless and avoid vital information being covered by a time-date stamp.

6.6.4      The video recorder shall have a remote control, lock out  key, automatic rewind/overwrite  function when the end of the storage medium is reached. Operator shall be alerted and given the option of backing up/changing the storage medium when the end of the storage medium is reached.

6.7         Cooling System

The camera enclosures and electronic component enclosures requiring temperature control shall be equipped with an air cooler device rated to the class of the area in which it is installed and shall utilize the plant instrument air supply.

6.8         Miscellaneous

All miscellaneous installation mounting hardware including but not limited to pole- mounted hardware, welding necessities, nuts, and bolts for operator console and camera locations shall be provided by the Contractor.  In addition, the following items shall be provided as a minimum:

• • A 230 Vac, 60 Hz power and AC/DC step down transformer, if required, for operation of the camera control equipment. Manually selectable 127/230 Vac power supply units/equipment shall not be used. The camera site equipment shall be powered from the Remote Instrument Buildings (RIBs), and shall receive UPS power from the same.
  • Poles shall be provided and installed where required.   The design shall include the wind loading, lightning protection, grounding and base topography/foundation design per EIA-222-E.  The design shall consider the cleaning and maintenance of the cameras installed on poles (collapsible pole, step bolts or ladder)
  • c. A rack mounted fiber optic cable organizer, termination panels and optical connectors shall be provided and installed at the control center per EIA/TIA standar

7.0    Deliverables

The system shall be provided along with documentation and equipment catalog cut sheets including, but not necessarily limited to the following:

a. Pole (or tower) specifications

b. Equipment specifications

c. System Operation and Maintenance Manual/Instructions.

8.0    Commissioning and Test Acceptance (Closed Circuit Television CCTV)

Test Procedures

8.1         The Contractor shall prepare and submit a comprehensive test specification and diagnostic instructions for the Owner’s approval.   The specification shall include testing of the total system performance requirements, each specified function, and all inputs and outputs.  These instructions shall describe the test program content and detailed step by step test procedures, including the equipment required to test the furnished system.   The test and diagnostic instructions shall be precise and up to date.  Any changes made to the system that affect the test and diagnostic procedures shall be incorporated into the instructions.

8.2         The Contractor shall prepare and submit for the Owner’s approval a comprehensive system test plan.  The system test plan shall define the scope of tests required to ensure that each function specified, each hardware subsystem or unit meets applicable technical, operational, and performance requirements called out in this specification.  In addition, the Contractor shall establish detailed acceptance criteria for testing of the Process CCTV System.   This test plan shall cover the Factory Acceptance Test/Staging and Start-up & Commissioning test plans for the complete system.

9.0   Closed Circuit Television CCTV Training

9.1         The Contractor shall provide at least one training class for the Owner’s personnel. As a minimum, the training class shall cover configuration and maintenance of  the system, hardware maintenance of the camera locations, controllers, and operating consoles.  The Contractor shall also present any additional subjects that he deems necessary for proper operation and maintenance of the system.

9.2         Training shall emphasize those areas of concern that are unique to the installation, such as electrostatic discharge, dust contamination, and lightning strike damage prevention.

9.3         The Contractor shall provide a training plan for the respective CCTV system training and provide training materials for a minimum of 10 students.