Tender Document - Oil India Limited

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(ii) Calibration Adapter (iii) Hose, Flowmeter (iv) Carrying case (v) Methane Cylinder- 2 nos (vi) Zero Gas Cylinder - 2 nos (vii) One hand held portable intrinsically safe calibrator# for onsite calibration of sensors. This calibrator should be certified by an accreditation body of National/International repute. D. An On-line UPS (Uninterrupted Power Supply) of minimum one hour duration to be provided along with the system. The above UPS should be of portable type & to be installed in Operator Room (Non-Hazardous area) or Air Compressor Shed, in case the operator room is situated in hazardous area. The approx distance of Air Compressor Shed may be around 50-100 meters from existing operator room. The UPS should handle unwanted extra high voltage charge for about few seconds & have protection facility to cut-off power to the control system cabinet. E. Cable & other Hardware: (i) For Sensor, 3C X 1.5 mm2, multistrand copper conductor, shielded armoured. (ii) For JB to Control System, 12C/24C X 1.5 mm2, multistrand copper conductor, shielded armoured. (DGMS approved). (iii) Length of cable : 3-core (signal)= 200 meters (approx.) 12/24 core (signal) = 700 meters (approx) 3-core (power) = 200 meters (approx) (iv) FLP cable glands: as required (v) GI cable gland: as required ITEM 2 - Infrared (IR) On-Line Gas Monitoring System for GCS - Joypur 1.0 Detailed Technical Specifications of On-Line Gas Monitoring System for GCS-Joypur comprise of the following: A.Detector/Gas Sensor required for Gas Compr Packages : 12 nos. Type:IR (Infrared), suitable for Area Detection of compressed/uncompressed Natural Gas (by volume: CH4:89.538%, N2:1.004%, CO2: 0.543%, C2H6: 4.132%, C3H8:2.491% & others: 2.292%) under ventilated shed Range: 0-100% LEL Wiring: 3-wire non-isolated Detector/sensor version: SMART Input Power Supply: +24 V DC Output: 4-20 mA + HART Digital Signal Sensor Enclosure material must be: Suitable for use in Hazardous area and corrosion free. Operating Humidity: 0-100 % RH non condensing Operating Temperature: 0 to +50 deg C Detectors must be suitable for hazardous environment i.e. Zone 1 & Zone 2 Hazardous area as per OMR, 1984. Approval of Detector/Sensor: Valid DGMS approval should be provided along with bid. Else Vendor should furnish written assurance to provide DGMS approval before dispatch with minimum 6 months validity. Accessories: Mounting Plate/Mounting Bracket/Splash guard/Cable Gland/Adapter/Explosion proof junction box/ canopy etc to be provided along with the sensors. <strong>Tender</strong> No. SDG7299P13/09 Page 6 of 25
Sensor Calibration: Adjustment of Zero & Span on-site Non Intrusive one man calibration, should have facility to calibrate the instrument on spot without disconnecting from power supply by using any portable hand held Intrinsically safe calibrator. Sensor LED: ON- Healthy Condition OFF-Open/Fault Condition B. Control System: The Control system should consist of the following (to be installed in Operators' Room which is located in non-hazardous area): i) Wall Mounting Control Cabinet with glass window and reset button to House 19" inch 16 Channel Rack - 1 No ii) Power Supply Unit - 1 No iii) Channel Cards: 12 Nos iv) Hooter for Alarm - 1 No Specifications: Channel Cards: Input Signal : 4-20 mA loop current @ 24 V DC Display : 4 digit LCD display Four display selection to be available as: Concentration (0-100%LEL/PPM) Alarm Level 1(0-100%LEL/PPM) Alarm Level 2(0-100%LEL/PPM) Loop Current (4-20 mA) Three Alarm Status LED display as: Alarm1, Alarm2 and Trouble/Fault Resolution & Repeatability: Single resolution: 1% of full scale Repeatability : 1% of full scale Accuracy : 1% of full scale Alarm levels: Two Programmable Alarm levels Alarm Relays: Jumper Selectable/Programmable for latching/non-latching. Alarming ON Greater or Less than Alarm level. Trouble Relay: Relay to be de-energized when loop current is less than 3mA or when power is removed or sensor is out of order. Relay Contact Rating: Solid state relay contact rating; 5 A @ 24 V DC Alarm Reset: External Alarm Reset Push Button to be available when alarm relays are programmed for latching. Alarm Relays will be reset but alarm status LEDs should track actual condition. Terminal Block: Modular Terminal Block that allows disassembly without removal of individual wires. Calibration: Each channel card should have individual calibration facility, so that it will not disturb other channel during calibration. <strong>Tender</strong> No. SDG7299P13/09 Page 7 of 25
Page 1 and 2: Tender No. : SDG7299P13/09 Oil Indi
Page 3 and 4: On change Mode- The following scree
Page 5: Loop Current (4-20 mA) Three Alarm
Page 9 and 10: ITEM 3 - Infrared (IR) On-Line Gas
Page 11 and 12: (vi) Zero Gas Cylinder - 2 nos (vii
Page 13 and 14: Power Supply Unit should be capable
Page 15 and 16: 7.2 Bidder should agree to carry ou
Page 17 and 18: 2.0 After Sales Service : The natur
Page 19 and 20: Bid Rejection Criteria (BRC) & Bid
Page 21 and 22: 3.0 Validity of the bid shall be mi
Page 23 and 24: ANNEXURE III THE CHECK LIST MUST BE
Page 25: 4.0 For Foreign Bidders - Whether o

Tender Document - Oil India Limited

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