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| 1 | NAMBOR-GOLAGHAT-NUMALIGARH PIPELINE SECTION |
| 2 | FIELD |
| 3 | F&G system for NAMBOR-GOLAGHAT-NUMALIGARH PIPELINE SECTIONshall be supplied as per scope of work, specification, Control system schematic. F&G System supplied shall be complete in all respect for safe operational requirements and shall consists of the following• F&G System: - F&G system shall have provision for connecting Gas Detectors, MCP, Hooter, and beacon. F&G system shall have provision for programmable gas detector channel and relay card/ module to configure field devices. F&G system facilitate with serial communication port to interface with station/ terminal RTU located at station (Refer table A). (Each channel shall be universally configurable type for connecting all type Gas Detectors, Smoke detectors MCP, Hooter & Beacon field devices).F&G system shall be installed in Control Room/ Porta Cabin (For location please refer Table A).Existing SIL 3 F&G system (existing PLC make and model) shall be used for new proposed. Necessary Graphics and displays (Alarms, Diagnostic, and Trends etc.) shall be developed in the existing F&G system under the supervision of existing F&G contractor for this pipeline project. Also, necessary hardware and software required for integration & extension of the same shall be in vendor scope.Supply, laying of cable inside Control room/ Portacabin between Detectors, MCP, Beacon and Hooter including glanding, termination, ferruling, dressing etc. at both ends shall be in vender scope. Supply & installation of cable trays (if necessary), supply of erection materials, cable ferrules, cable lugs, and cable tie etc. for successful commissioning of F&G system.F&G system at each location shall interface with proposed new RTU at terminals through secure and redundant communication link;Testing – FAT / SAT, Installation, commissioning and training;Supply of erection & commissioning spares |
| 4 | Point Type Gas Detectors – IR Type – for detection of Natural Gas in Process Area |
| 5 | Open Path Gas Detectors – IR Type - for detection of Natural Gas in Process Area |
| 6 | FLAME DETECTOR – IR Type - for detection of Natural Gas in Process Area |
| 7 | Beacon – Dual Colour (Amber and Red) – for visual indication of flammable gas leak alarm inside the control building and Portacabin |
| 8 | Outdoor Hooter– Dual Tone Type for installation in Process |
| 9 | Manual Call Point for installation in Process Area |
| 10 | 1T x 1.5 Sq. mm, Fire resistant, Over all Screened |
| 11 | 8T x 1.5 Sq. mm, Fire resistant, Individual Screened and Over all Screened |
| 12 | 1P x 1.5 Sq. mm, Fire resistant, Over all Screened |
| 13 | 12 P x 1.5 Sq. mm, Fire resistant, Individual Screened and Over all Screened |
| 14 | F&G Junction Box, Explosion Proof Exd, Suitable for Hazardous Area Classification Zone I, Gas Gr IIA/IIB, T3 |
| 15 | Explosion Proof Cable Glands, Plugs and erection hardware |
| 16 | CONTROL BUILDING |
| 17 | Addressable multi sensor (Smoke + Heat) – for installation in terminal control room (Portacabin and control room) |
| 18 | Indoor Hooter– Dual Tone Type for installation inside the control building and Portacabin |
| 19 | Manual Call Point for installation inside the control building and Portacabin |
| 20 | Beacon – Amber Colour – for visual indication of flammable gas leak alarm inside the control building and Portacabin |
| 21 | H2 Detectors – for detection for Hydrogen Gas in Battery Room |
