Supply, Installation, Testing, Commissioning and Handing ... · The ignition system should be a Non...

1

Oil India Limited (A Govt. of India Enterprise)

P.O. Duliajan – 786602, Assam Telephone No. (91-374) 2800491

Fax No: (91-374) 2800533 Email: [email protected] ; [email protected]

Tender No. & Date : SDG3385P10/09 19.05.2009 Tender Fee : INR 4,500.00 OR USD 100.00 Bid Security Amount : INR 4,50,000.00 OR USD 9,000.00 (or equivalent amount in any currency) Bidding Type : SINGLE STAGE TWO BID SYSTEM

Bid Closing on : As mentioned in the Basic Data of the tender in OIL’s e-portal.

Bid Opening on : As mentioned in the Basic Data of the tender in OIL’s e-portal.

Performance Guarantee : Applicable OIL INDIA LIMITED invites Global Tenders for items detailed below: Item No. / Mat. Code

Material Description QTY. UOM

10 OC000242

Supply, Installation, Testing, Commissioning and Handing Over of 250 KVA Natural Gas Engine driven Generating sets with Acoustic Enclosure as per the following Annexures:

a) Detailed specification – Annexure - I.

b) Bid Rejection Criteria (BRC) and Bid Evaluation Criteria - Annexure II.

c) Technical & Commercial Check list vide Annexure III

2 Nos.

Special Notes :

1.0 The tender will be governed by “General Terms & Conditions” for e-Procurement as per Booklet No. MM/GLOBAL/E-01/2005 for E-procurement (ICB Tenders). 2.0 Technical Check list and Commercial Check list are furnished vide Annexure – III. Please ensure that both the check lists are properly filled up and uploaded along with Technical bid. 3.0 The item qualifies for Nil duty / Deemed Export benefits. For Deemed Export benefits, please refer Addendum to the General terms and conditions for Global tender. 4.0 Please note that all tender forms and supporting documents are to be submitted through OIL’s e-Procurement site only except following documents which are to be submitted manually in sealed envelope super scribed with tender no. and due date to The Head Materials, Materials Department, Oil India Limited, Duliajan- 786602, Assam on or before the Bid Closing Date and Time mentioned in the Tender.

a) Original Bid Security. b) Details Catalogue and any other document which have been specified to be submitted in

original.

Tender SDG3385P10/09

2

5.0 The tender is invited under SINGLE STAGE-TWO BID SYSTEM. The bidders are required to submit both the “TECHNICAL” and “COMMERCIAL” bids through electronic form in the OIL’s e-Tender portal within the Bid Closing Date and Time stipulated in the e-Tender. Please ensure that Technical Bid / all technical related documents related to the tender are to be uploaded in the c-Folder link (collaboration link) under Un-priced Bid Tab Page only. Please note that no price details should be uploaded as c-Folder link (collaboration link) under Un-priced Bid Tab Page. Details of prices as per Bid format / Commercial bid can be uploaded as Attachment in the attachment link under “Unpriced Bid” under “General Data”. A screen shot in this regard is given below. Offer not complying with above submission procedure will be rejected as per Bid Rejection Criteria mentioned in Annexure-II (Refer Clause 1.0 of (B) Commercial)

6.0 Bidders are requested to examine all instructions, forms, terms and specifications in the bid. Failure to furnish all information required as per the bid or submission of offers not substantially responsive to the bid in every respect will be at the bidders risk and may result in the rejection of its offer without seeking any clarifications.

Contd..3

Search and Add

Details of prices as per Bid format / Commercial bid can be uploaded in this Attachment

C-FOLDER LINK


3

Annexure – I SUPPLY, INSTALLATION, TESTING, COMMISSIONING AND HANDING OVER of 250 KVA GAS ENGINE DRIVEN GENERATING SET WITH ACOUSTIC ENCLOSURE. 1.0 SCOPE OF SUPPLY: The scope of the bidder shall be Supply, Installation, Testing, Commissioning and Handing Over of 250 KVA, 415 Volts, 3 Phase, 50 Hz Industrial type, Natural Gas Engine driven Generating sets with Acoustic Enclosure and with all accessories. The Gen set will be the primary source of Power for application. 2.0 GAS ENGINE: MAKE : CUMMINS / CATERPILLAR / WAUKESHA The gas engine should be a four stroke, multi cylinder , turbocharged/Natural aspirated , heat exchanger/ radiator cooled engine rated for continuous power and capable of developing at least 290 Net Brake Horse power at 1500 rpm with a maximum compression ratio of 10:1. Only single stage turbo charging is allowable. The engine should comprise of the following sub systems. 2.1. Engine Sub System : a) Cooling System : The cooling system of water cooled engine should comprise of an engine mounted water pump, an industrial type heavy duty radiator/ heat exchanger suitable for operation in ambient temperature of 48 Deg C and a blower fan. (i) The engine jacket water cooling system should be a closed circuit design with provision for filling, expansion, and de-aeration. The cooling pump should be driven by the engine. Auxiliary coolant pump required for heat exchanger or separate circuit after cooling should also be engine driven. Coolant temperature should be internally regulated to disconnect external cooling system until operating temperature is achieved. (ii) Radiator, Engine Mounted: Heat rejected to the engine jacket water shall be discharged to the atmosphere through a close coupled radiator. The radiator shall be sized to cool the engine continuously while operating at full rated load and at site conditions of 48 Deg C ambient. (iv) Blower Fan: The radiator cooling fan shall be a blower type driven from the engine. Air shall be drawn from the engine side and exhausted through the radiator core with no more than 12.7 mm( 0.5 Inch ) of water external restriction in addition to core restrictions. (v) Fan and Belt guarding: The fan, fan drive, and fan belts shall be covered with punched steel mesh guarding for personnel protection. b) Air Intake System : The air intake system should comprise of a heavy duty engine air cleaner mounted on the engine with a vacuum indicator and air intake manifold with dry element requiring replacement not more frequently than 500 hours or once each year. c) Electric Starting System : The engine should have an electric starting system comprising of a Maintenance Free Heavy Duty Battery pack of reputed make having a minimum capacity 180 ampere hours with a alternator mounted on the engine for a battery charging and a 24 Volt starter( preferably of LUCAS TVS/DELCO REMY make), starter relay, and automatic reset circuit breaker to protect against butt engagement. Batteries shall be maintenance free, lead acid type mounted near the alternator. Batteries should be housed in a hard rubber or polypropylene case with provision for venting. Required cables should be furnished and sized to satisfy circuit requirements.


4

d) Battery Charger: The battery charger is to be a solid-state device with adjustable float voltage control. It is to be a constant voltage device with current limit, and it is to include an equalize switch which will allow the battery to be overcharged for maintenance purpose. e) Ignition System : The ignition system should be a Non shielded ignition comprising Altronic III/V Engine driven ignition timer, Ignition Coil, High Tension and Low Tension Wiring Harness, Transformer and Spark Plugs shall incorporate gold palladium electrodes for reliability and life (Preferably STITT/ CHAMPION make) f) Exhaust System : (i)The exhaust system should comprise of water cooled exhaust manifold, stainless steel exhaust flexible connection, residential type exhaust silencer, spark arrestor and piping connections (ii) Heavy walled piping of schedule 40 with radii of 90 Deg bend at least 1½ times the pipe diameter. Piping should be installed with appropriate insulation and shielding. (iii) Piping should be supported and braced to prevent weight or thermal growth being transferred to the engine and flexible expansion fittings provided to accommodate thermal growth. g) Fuel System : The fuel system should comprise of Governor (preferably WOODWARD make), carburetor ( preferably IMPCO make ), main line and secondary line gas pressure regulator ( preferably VANAZ/FISHER make ) , gas manifold with fine filter , scrubber, gas shut off vale etc and related linkages. The engine governor shall be Mechanical / Mechanical-Hydraulic / Electronic Speed Control with EG Electro-Hydraulic actuator or Barber Coleman Equal. Speed drop shall be extremely adjustable from 0 ( isochronous) to 10% from no load to full rated load. Steady state frequency regulation shall be + / - 0.5 percent. NOTE : The first stage regulator is to have an inlet pressure rating of 20 psig and outlet pressure rating of 7 psig.

The second stage regulator is to have an inlet pressure of 7 psig and outlet pressure of 8 inch ( 200 mm ) water column equal to 0.284 psig and both the Gas Regulators viz., First Stage Regulator from 20 psi to 7 psi and Second Stage Regulator from 7 psi to 0.284 psi are to be arranged by the supplier. Fuel inline to the engine shall be having stainless steel flexible hose connection to take care of vibration / shock, if any, in the system.

h) Lubricating System : The lubricating system should comprise of lubricating oil pump, lubricating oil filter with a replaceable paper element, lubricating oil cooler, lubricating oil pan and crankcase breather. (i) The lubricating oil pump shall be a positive displacement type that is integral with the engine and gear driven from the engine gear train. The system shall incorporate full flow filtration with bypass valve to continue lubrication in the event of filter clogging. (ii) The bypass valve must be integral with the engine filter base of receptacle. i) Instrument Panel : The engine mounted instrument panel shall consist of a shock-mounted formed and welded enclosure. Provide Metric marked gauges as above. The instrument panel should include the following :

a) Lubricating Oil pressure gauge b) Lubricating oil temperature gauge c) Water temperature gauge


5

d) Starting Switch e) Ignition Switch f) Mechanical/Digital tachometer and hour meter g) Circuit Breaker h) Ampere meter i) Electric service meter

j) Engine Safety Controls : Engine mounted safety shut off/trip system for tripping the engine in the event of

a) Low lubricating oil Pressure b) High cooling water temperature c) Engine over speed d) Over crank

k) Other Features :

a) flexible coupling / direct coupling b) AVM Pad. c) flywheel with housing d) lifting eyes e) coupling guard if applicable f) guards over belt drives ( blower fan, water pump drive pulley, timing pulley) g) standard painting h) suitable hand throttle control i) mechanical hour meter j) SAE standard rotation. k) Gas shut off valve for engine fuel gas line should close automatically when the engine is stopped.

N.B: Provision of guards over belt drives and couplings has become mandatory as per recommendation of OISD ( Oil Industry Safety Director) & DGMS ( Director General of Mines & Safety ) 2.2 General Notes on Engine : a) The engine shall conform to ISO : 3046 specifications and shall be rated for continuous power with an over load power rating of 110% of the continuous power corresponding to engine application for a period of 1 hr within a period of 12 hrs operation. b) The engine governing should be in accordance with Class A Governing specified in BS : 3109 : 1985 ( or latest) c) The bidder should submit the following information along with relevant performance rating Curves and engine product catalogue:

i) Gross HP developed at rated RPM ii) Deduction for fan and other ancillary equipment. iii) Net HP developed at rated RPM iv) Specific fuel consumption at rated power as well as at 110%, 75%, 50% and

25% of rated load d) A suitable selected flexible coupling should be incorporated to transfer power from the engine to the alternator. A guard should be provided to cover the same to meet OISD norms e) The generating set should be suitable for operation at the following site condition :


6

Maximum Temperature : 48 DEG C Minimum Temperature : 05 DEG C Maximum Humidity at 21 DEG C : 100 % at 35 DEG C : 95 % at 41 DEG C : 70 % Maximum Altitude above sea level : 150 Meter f) Composition of Fuel Gas : The engine should be capable of developing required BHP as detailed in para 2.0 above with fuel composition given below- CONSTITUTION % VOLUME Methane 89.442 Ethane 4.267 Propane 2.083 Butane- Pentane 6 - 3 Nitrogen 94.5 Carbon-dioxide 0.434 Iso-Butane 0.641 N-Butane 0.892 Iso-Pentane 0.353 N-Pentane 0.271 Hexane 0.672 Gravity 0.655 Gross Calorific Value 1300- 1100 BTU/CFT Net Calorific Value 1200- 1045 BTU/CFT g) The fuel gas system shall consists of a minimum of following components but shall not be limited to these:

a) Main line pressure regulator. b) Pressure relief safety valve. c) Gas scrubber tank. d) Gas fuel filter. e) Interconnecting gas piping from main line pressure regulator to engine. f) The gas conditioning & piping should be carried out in such a way as to prevent condensate carry over to engine.

3.0 ALTERNATOR 1. Make : KIRLOSKAR / NGEF / STAMFORD/ CROMPTON GREAVES 2. Rated Output : 250 KVA continuous rating at 0.8 PF at Specified ambient

conditions for Motor loads 3. Rated Voltage : 415 Volts ± 5% 4. Armature Winding : 3 Phase, 4 wire type 5. Rated Frequency : 50 Hz ± 3% 6. Rated power factor : 0.8 lagging 7. Class of insulation : Class F/H but temp rise limited to class B 8. RPM : 1500 9. Phase sequence : UVW - phase sequence and direction of rotation shall

be clearly marked on the alternator. 10. Duty/load : Continuous base load duty for Motor Loads


7

11. Winding Connection : Y connected 12. Ambient : Min- 5 ºC Max- 40 ºC, RH 95% max 13. Alternators Enclosure Protection : IP 23 14. Alternators Terminal Box Protection: IP 54 15. Excitation system : Brush less, self excited and self

Regulated with solid state AVR 16. Mounting : Foot mounted on Gen set skid that has been mounted on anti vibration pad. 17. Permissible voltage variation : ± 2 % at rated speed, load and power factor 18. Permissible frequency variation : Generator should be able to give rated output

at 2 % variation in rated frequency 19. Frame size : Bidder to confirm 2O. Motor starting ability : 200 to 250% of FLC for 10 sec with max. 10%. Voltage dip 21. Unbalanced current : Max. 20 % of FLC 22. Short circuit current : Max. 3 to 4 times of FLC for 3 Sec. 23. Cooling : Air cooled by integral fan 24. The brush less alternator shall have exciter and rotating rectifier-bridge mounted on shaft complete with diodes and surge suppressor, main field windings and stator windings. PIV of exciter diodes must be 800v or 8 times the maximum exciter armature operating voltage, whichever is higher. At nominal speed the excitation system must produce sufficient residual voltage in order to ensure self excitation. 25. All windings should be made from electrolytic grade copper of high purity. 26. The alternator shaft shall be supported on rolling element bearings at NDE. 27. Voltage swing (Transient response) when rated load is suddenly switched on should be maximum10 % with 0.2 to 0.7 sec (Recovery time). Automatic voltage regulation shall be ± 0.5 % to ± 1.0 % from no load to full load. 28. The alternator should be capable of sustaining a 10 % over load for one hour in any 12 hours operation. 29. The alternator should be capable of continuous operation at 110 % of rated voltage. 30. Total voltage harmonic distortion should be less than 3 % between phases at no load. 31. The alternator should be capable of withstanding 1.2 times the rated speed for two minutes without any damage. 32. Alternator stator winding terminals are to be connected to 4 nos. of suitably rated tinned copper terminals supported on SMC/GRP supports inside the alternator terminal box. 33. The alternator terminal box should be of suitable size and should be suitable for terminating one no. 3.5X 240 sq.mm PVC insulated and PVC sheathed, 1100V grade, armored, stranded conductor copper cable approved by IS-1554. Separate cable box shall be provided for supporting power cable. Suitable size of heavy duty single compression cable gland should be fitted in the cable box. Cable gland and entry hole shall also be required for AVR cables as AVR shall be mounted in the control panel. 34. 2 nos. of earth points are to be provided on both sides of the alternator. 35. Lifting hooks are to be provided for lifting the alternator. 36. Automatic voltage regulator should be mounted in the control panel with approved rubber bushes under AVR mounting holes to reduce vibration. AVR should have under speed, over excitation protection features with LED display. AVR shall be suitable for motor loads. 37. Alternator windings and AVR should be suitable for humid atmosphere as per ambient conditions mentioned in the enquiry. 38. Bidder to mention the following information in offer

i. Unbalanced current carrying capacity ii. Efficiency of the alternator at 25 %, 50 %, 70 % and 100 % load. iii. Power factor of the alternator at 25 %, 50 %, 70 % and 100 % load. iv. Motor starting capability.


8

v. Dimensional drawings. 39. Alternator frame and enclosure shall be made from MS or Cast steel. 40. The max. vibration of the alternator should not be more than 4.5 mm/Sec (rms) at full load. 41. The alternator shall conform to the following standards: IS : 12065 Noise limit IS : 12075 Vibration IS : 4722 Governing Standards IS : 4691 Enclosure Protection IS : 6362 Cooling IS : 2253 Mounting IS : 13364 Specification of Alternator coupled with IC Engines 4.0. SWITCHGEAR & CONTROLS:

Switchgear & Controls will consist of the following: 1. Generator Control Panel 2. Change Over Switch

4.1 Generator Control Panel : Sheet steel clad, self supporting, floor mounting, cubicle type, dust and vermin proof generating set control panel made of 2mm thick MS CRCA sheet and built upon rigid framework of 3.15mm thick sheet, having front and rear hinged doors with danger plate fitted on both sides, lifting lugs on top, ventilation louvers on both sides, bottom detachable gland plates, double earthing studs on two sides, complete with suitably sized zinc passivated hard wares with heavy plain and spring washers. The panel doors should have neoprene rubber gasket. The panel should be designed and manufactured as per IS-8623. The panel enclosure will be as per IP54 except for the open part of cooling louvers at bottom and top of the panel sides. Suitable wire mesh should be provided on the inner side of the louvers to prevent entry of insects. The metal surface of the panel should be given seven tanks anti corrosion treatment and then powder coated in DA grey colour (Min. 50 micron thick paint). The frame should be able to withstand the stress and vibration during transportation and operation. The panel shall be mounted on the skid inside the acoustic enclosure. The detail description of the panel is as described below:

a) AVR of the alternator shall be mounted inside the control panel with vibration proof supports. b) MCCB should trip on the following faults with reset push buttons.

i) Earth leakage, through earth leakage relay. ii) Over load & short circuit. Tripping from inbuilt trip unit of MCCB. iii) Low and high Engine Speed, through under and over frequency relay. iv) Over and under voltage through OV/UV protection relay v) Engine fault (Low lub oil, high water temp). Trip signal from engine protection switches, mounted on the

engine and working on engine battery supply. c)Control circuit, tripping and indication circuit shall operate on 24 V DC supply tapped from the engine starter battery. Suitable rating DC DP MCB shall be mounted in the panel for DC control circuit. d) Instruments and Indicating Lamps: ( Mounted on front hinged door )

i) 1 No. Power & Energy monitor showing Voltage, current, power (KW), Power factor, KWH & Maximum demand, 5 elements of power showing at a glance with communication port compatible to PCs. Make – Conzerv ( Model EM 6600)/ SOCOMC –HPL ( Model –DIRIS A 40/A41)/ Schnieder Group (Model- PM700)/ AEI

ii) 1 No. Digital frequency meter , 96 X 96 mm , scaled 0-100 Hz Make: AE/L&T/ Conzerv


9

iii) 1 No. Three Phase Digital Voltmeter, 96 X 96 mm , accuracy-0.5%, scaled 0-500V AC, Make: AE/L&T/ Conzerv

iv) 1 No. Three Phase Digital Ammeter, 96 X 96 mm , accuracy-0.5%, scaled 0-500A, AC Make: AE/L&T/ Conzerv

v) 1No. Digital DC Voltmeter, Size -96x96mm, scaled-0-100V DC, class of accuracy -0.5, Make – Conzerv/ AEI/ L&T

vi) 1No. Frequency Monitoring relay. Range: 40 to 60 HZ adjustable, Accuracy: 0.1%, suitable for 415V, Trip time 0-10 Sec (adjustable) with LED indication, 2NO + 2NC contact, Make – Prok Devices ( Model –HILO-2C-F)/ Minilec (Model- FCS D2)

vii) 1 No. 3 phase, 4 wire, Micro processor based, Voltage Monitoring Relay. Over voltage - 110 %, Under voltage - 85 % with 1- 10 Sec time setting (adjustable), Incorrect phase rotation. Make: Telemecanique (Model RM3 TR114VS7) / Prok Dvs (Model-LVM11-34- 2CF)/ABB ltd.

viii) The control panel should have indication lamps mounted on panel front door for following faults and indications. All lamps shall be of LED type, having long life and low energy consumption. Binay, L&T, Siemens Make. Lamps shall remain ON after tripping of MCCB. However, on engine fault the engine will stop and the fault indicating LED shall remain on.

a) Earth leakage b) Over load and short circuit c) OV/UV d) Low Engine speed (From freq monitor) e) Engine fault f) Three nos. Red/ Yellow/ Blue for Incoming Supply g) Set Running

e) Main Components : ( Mounted Inside the Panel ) i) Panel should have one set of TP & N electrolytic grade, high conductivity, electro tinned copper bus-bars,

made from electrolytic grade copper of 99.0 % purity, rated 800 amps (Free air rating of copper sections) and supported at required intervals to withstand short circuit fault levels up to 50 KA for 1 Sec and connected at the outgoing of main SFU. Rating of neutral bus shall be minimum 50% of phase bus rating. Bus-bar support shall be non- hygroscope GRP/FRP and the Bus-bar shall be insulated with heat shrinkable PVC sleeves.

ii) Incoming and outgoing power cables shall terminate on electrolytic grade, high conductivity, tinned copper links rated for 800amp.

iii) 1No. 630 Amps, TPN, CFS (CMM type of GE or similar), fitted with 400 Amps bolted type HRC fuses. Make-GEPC/Siemens

iv) 1 No. 500 Amps, 4 pole, MCCB, 36 KA breaking, with inbuilt adjustable overload & short circuit protection, shunt trip coil. Front Drive kit with door interlocking facility to ensure that the door can be opened only when the MCCB is in the OFF position. Overload should be adjustable from 40% to 100% and short circuit setting should be adjustable. Make: Legrand/ Merlin-Gerin/ Siemens

v) 1No. CBCT along with Earth Leakage Relay for protection against earth leakage should be provided. Relay settings: 0.1 – 0.3- 1.0-3.0 Amp & 0.06-0.1-0.3-1.0– 5.0 Sec in steps. In case of earth leakage fault the relay should trip the MCCB through shunt trip coil. The CBCT core size should be such that relay should not trip during external short circuit due to core saturation. Similar to Cat No. (26092+ 26091) of Legrand. Make: Legrand/ Merlin Gerin.

vi) Bar Primary Resin Cast CT of 400/5 ratio 15 VA burden, class-1, conforming to IS 2705. No of CTs as per circuit requirement. Make: AEI/ kappa / Conzerv/ L&T

vii) Contactor type Auxiliary Relay, all relays with minimum 2 nos spare contacts. No. of relays should be as per the control circuit requirement. Plug in type relays and contactors shall not be used. Current rating of aux contacts shall be min 10amp DC, at 24 V DC. (Make-Siemens/ Schneider/ GEPC)


10

viii) HRC instrument fuse holders NS type phenol moulded with suitable fuses & links for different circuits. Separate fuses and neutral links should be provided for control circuit indicating system lamps, instruments, enclosure illumination and tripping circuit ( Make-GE / Siemens/ L&T)

4.2 On Load Change Over Switch Panel for 250 KVA Genset: Sheet steel clad, self supporting, floor mounting, cubicle type, dust and vermin proof generating set changeover control panel made of 2mm thick MS CRCA sheet and built upon rigid framework of 3.15mm thick sheet, having hinged doors with danger plate fitted, lifting lugs on top, ventilation louvers on both sides, three nos. bottom detachable gland plates, complete with suitably sized zinc passivated hardware with heavy duty plain and spring washers. The panel doors should have neoprene rubber gasket. The panel should be designed and manufactured as per IS-8623. The panel enclosure will be as per IP54 except for the open part of cooling louvers at bottom and top of the panel sides. Suitable wire mesh should be provided on the inner side of the louvers to prevent entry of insects. The metal surface of the panel should be given seven tanks anti corrosion treatment and then powder coated in DA grey color (Min. 50 micron thick paint). The frame should be able to withstand the stress and vibration during operation of the panel. The panel shall be mounted inside the genset house. Two nos. earth points (one on each side) on 50x6 mm GI strap shall be available outside the enclosure for earthing. One no., Four Pole, 630 A AC, AC-23A duty, Front Operated On Load Changeover Switch (Open execution Type) shall be mounted inside the enclosure. The switch shall confirm to IS-13947/ IEC 947. The operating handle shall be fixed on the front door for operation from outside. The switch assembly shall have tinned copper bus bars of rectangular section connected at all the twelve switch terminals and brought out and supported on suitable FRP/DMC supports near the bottom cable entry plate. The current rating of copper bus sections shall be 800amp (rating of unassembled sections in air). Bus bars shall be PVC insulated. Sufficient space shall be available inside the panel for bottom entry and safe termination of 3 sets of 3.5x240 sqmm, heavy duty, GI armoured, PVC insulated, PVC sheathed, 1100V grade, IS-1554 approved, stranded copper conductor, cable. The COS panel shall be placed outside the acoustic enclosure. Make of Switch- Socomec –HPL/ GEPC/ Siemens.

5.0. WIRING SCHEME

i) Control system will work on 24V DC. Control panel inside wiring shall be done with 2.5 sq. mm, flexible copper, 1100v grade PVC insulated wires approved by ISI, TAC, FIA. All wiring will have copper lugs & terminal blocks as required. Wiring for lighting circuit MCB, power outlet and wiring for CT will be done with 2.5 sq. mm, flexible copper, 1100v grade PVC insulated wires approved by ISI, TAC, FIA & have copper lugs. Colour code for wires shall be followed as per IS. Make: Finolex, Havells, L&T.

ii) Output from the Alternator terminal box should be connected to control panel input with heavy duty 3.5 X 240 sq. mm, 1100V grade, PVC insulated and PVC sheathed, armoured, and stranded copper conductor cable approved by IS-1554. Cable to be supplied & connected by the bidder using copper lugs. Make: NICCO, CCI, Finolex, Universal.

iii) AVR shall be mounted in control panel and its control wired from alternator terminal box to control panel by the party using heavy duty PVC insulated and PVC sheathed, 1100 v grade armoured, stranded, ISI approved copper cable of suitable size. Cable to be supplied and connected by the bidder using copper lugs. Make: NICCO, CCI, Finolex, Universal.

iv) Heavy duty Single Compression Cable Glands shall be provided at all cable entries for power and control cables. Cable Glands shall also be provided for the outgoing power cable. All cable glands to be supplied and fixed by the party. Make: Baliga / GMI/ Dowells.

v) All power and control cable terminal ends will have suitable heavy duty crimping lugs of tinned coper. All lugs to be supplied and crimped by the party. Make: Dowells.

vi) Engine control wiring will run from engine to control panel in heavy duty ISI approved galvanized flexible conduit supplied by the party.


11

vii) All control and power cables, AVR cable shall be protected with ISI approved heavy duty flexible GI conduit in their run from unit to control panel to avoid any damage.

viii) Suitable provision shall be made for safe routing of output cable from panel to outside of the unit. Opening in the acoustic enclosure should be guarded with rubber bush for safe passage of the outgoing power cable.

6.0 EARTHING:

i) The earthing scheme for the unit should be as per IS-3043. ii) Two nos. 50x6mm GI straps shall be suitably fixed inside the unit near the foor. Strap galvanisation

thickness should be min. 85 micron and as per IS. Alternator earth terminals, control panel earth terminals, enclosure chassis shall each be connected with two nos. separate cables to both the straps with independent connections at separate points. The neutral of the alternator will be earthed by connecting two nos. of earthing cables, each 15.0 mtr long from neutral bus inside the panel. The other end of this cable shall be brought out of the enclosure for connection to external earth pit. Suitable provision is required in the panel base plate for safe entry of neutral earth cable. Heavy duty PVC insulated, PVC sheathed, flexible, single core, ISI approved copper cables of 120 sq mm size shall be used for all earthing jobs. The cables to be terminated with lugs and suitably protected against mechanical damage. Earth cable shall be protected to avoid any damage and to be run in ISI approved heavy duty galvanized, flexible conduit. Make: Finolex/ Havells/ L&T for earthing cable.

iii) Both the straps shall extend up to the back side of the enclosure and each strap will have one no. of zinc coated terminal stud of 10mm dia provided at end of the straps for connection to system earth. Two nos. of earthing cables of size & type as mentioned in point no. (ii) above and of individual length of 10.0 mtr shall be supplied and connected to these two straps for external earthing. The neutral earthing leads as mentioned under above point no. (ii) shall also be brought outside the enclosure for earthing of neutral separately. The free ends of these four cables shall be crimped with heavy duty, tinned copper tubular lugs and marked with ferrules. Suitable opening with rubber bush shall be provided in the rear side of the unit to facilitate the entry of outgoing power cable and earth leads.

7.0 DOCUMENTS FOR ELECTRICAL ITEMS

1. The following Documents / drawings shall be submitted along with the offer: i) GA drawing ii) Technical literature of alternator iii) Detail comments point-wise against each point of tender specifications. iv) CPRI test certificate for bus bar fault level and temperature rise v) Confirmation that the party agrees to all the points mentioned under electrical specification of genset.

Any deviation from the electrical specifications of the tender will be specifically mentioned by the party with proper justification. Acceptance of deviations shall be at discretion of OIL. Type and make of components shall be mentioned and shall be as per tender. Equivalent make shall not be acceptable.

2. The successful bidder shall send following drawings / documents prior to manufacturing of alternator & control panel for approval within 30 days of placement of order.

i) GA drawing ii) Documentary evidence from the manufacturer of generator confirming that the alternator to be supplied

will meets all specifications as mentioned in the order. Technical catalogue of generator. iii) Detailed power & control wiring diagram, detail enclosure drawings for control panel, earthing scheme. iv) Layout plan of the unit showing all parts, cable routes. v) Illumination scheme. vi) Details of power cables, control cable and their routes. vii) Bill of materials of all components.


12

viii) CPRI test certificate for bus bar and temperature rise 3. Six sets of following documents shall be submitted in bound form and soft copy in a CD after commissioning of the Genset:

i) GA drawing ii) Detailed power & control wiring diagram, detailed enclosure drawings for control panel, earthing iii) Scheme, layout plan of the unit showing all parts. iv) Details of power cables, control cable and their routes. v) Bill of materials of all components. vi) Technical literature of alternator. vii) O&M manual. viii) Catalogues of various components. ix) All test certificates for tests done at manufacturer’s works for alternator, control panel and complete

unit. x) Tests done during commissioning. xi) Guarantee certificate for alternator and control panel. Guarantee shall be for 12 months after

commissioning of Gen set or 18 months after supply, whichever is earlier. xii) List of recommended spares for two years.

8.0 GENERAL NOTES FOR ELECTRICAL ITEMS AND WORKS:

1. In case of an order the complete electrical specification of the tender shall be mentioned in the order. However, deviations from tender specifications, as mentioned by bidder in their offer and subject to acceptance by OIL shall only be mentioned in the order.

2. In the event of an order the bidder will submit all documents as per Para 7.2 under documents for OIL’s approval.

3. The manufacture of the unit shall start only after written approval of the drawings/ documents (as per Para 7.2 for Documents) by OIL.

4. In case the documents furnished vide Para 7.2 for Documents do not comply with any of the points mentioned in the order then the order will be cancelled without any obligation on part of OIL.

5. The Gen set will be treated as installed and commissioned successfully from electrical side after successful load test of the unit at OIL’s field site with available load within the rated loading limits of the Gen set for 72 hrs, submission of all documents as per Para 7.3 for documents of electrical specifications and supply of all spares as mentioned under para no 9.0.

9.0 SPARES OF ELECTRICAL ITEMS Following spares are to be supplied by the supplier along with each Gen set. Bidder to confirm the same in their offer.

1. MCCB mounted in control panel – One no. 2. AVR Unit for Alternator – One no. 3. Spare diodes – Quantity and type Same as fitted in the Rotating

rectifier assembly of the generator. 10.0 INSPECTION AND TESTING FOR ELECTRICAL ITEMS All the routine tests as per IS and load tests of the alternator along with the control panel shall be witnessed by OIL’s Engineer at manufacturer’s works. The routine test of the alternator will include the following minimum tests/measurements:

1. Measurement of winding resistances for generator armature, field, exciter armature and exciter field. 2. Measurement of insulation resistance (before and after HV tests) for generator armature and field, exciter

armature and field.


13

3. High voltage (HV) test. 4. Phase sequence test. 5. Voltage regulation test. 6. Vibration measurement. 7. Measurement of noise level. 8. Overload test. 9. Measurement of open circuit and short circuit characteristics.

All the routine tests and load tests of the panel along with the Gen set shall be witnessed by OIL engineers at manufacturer’s works. The routine test of the panels will include the following minimum tests/measurements:

1. Physical checks & Operation check of all components 2. HV tests 3. Insulation tests (before and after HV tests).

The complete unit of alternator along with control panel shall be inspected and tested at manufacturer’s works / factory by a team of OIL’s Engineers prior to dispatch. Amongst others, all routine tests of the alternator and control panel shall be witnessed during the inspection. Intimation for inspection of complete unit must be sent to OIL at least 30 days in advance. All routine tests of the alternator and control panel shall be witness during the inspection at respective manufacturer’s works. Prior information is to be given to OIL. Any modification suggested during inspection shall be carried out by supplier at no additional cost. Supplier shall affect dispatch of the unit to OIL, Duliajan only on receipt of OIL’s dispatch advice. Note:- Inspection/testing charges, if any, shall be quoted separately which shall be considered for evaluation of the

offers. To and fro fares, boarding/ lodging and other en-route expenses of OIL’s Inspection team for carrying our inspection shall be borne by OIL.

11.0 ACOUSTIC ENCLOSURE : The salient features of the acoustic enclosure shall be as follows: The generating set comprising of engine coupled with alternator for each set should be placed inside an acoustic enclosure having the following salient features : i. The acoustic enclosure should be of modular construction with the provision to assemble and disassemble easily at site. There should also be adequate provision of taking out the equipment for maintenance / repairing jobs and reinstalling the same after necessary corrective action ii. The engine generator shall be factory enclosed in not less than a 12 gauge cold rolled steel enclosure constructed with corner posts, uprights and headers. The roof shall aid in the runoff of water and include a drip edge. The weather- proof and corrosion resistant acoustic enclosure should be duly surface treated, phosphated and finally powder coated for long lasting finish. The sheet metal components should preferably be hot dip, seven tanks pretreated before powder coating with special pure polyester based powder. iii. The sound proofing of the enclosure should be done with self extinguishing high quality rock wool / mineral wool conforming to IS 8183. The rock wool should be further covered with fiber glass tissue and perforated sheet. The silencer must be such that sound level is 75 dbA at 1 meter from the enclosure surface. iv. Exhaust silencer shall be provided of the size as recommended by the manufacturer and shall attenuate the sound to the level noted above. It shall be supplied with a flexible, seamless, stainless steel exhaust connection as well as with all internal pipe work. A rain cap will be supplied to terminate the exhaust pipe. These components


14

must be properly sized to assure operation with minimum back pressure and high sound when installed. The canopy should be finished in synthetic enamel paint incorporating rust inhibitors and aluminum sprayed silencers and spark arrestors to guarantee a superior and long lasting finish. v. There should be carefully designed inlet and outlet baffles / attenuators with corresponding weather louvers and bird mesh allowing sufficient air flow, for the set to operate even under the harshest ambient conditions whilst maintaining specified noise levels. Suitably sized blower should be incorporated to meet total air requirement. vi. The temperature inside the enclosure should be suitable for human comfort. The temperature of exhaust line should not exceed the self ignition temperature of fuel gas. A high temperature trip system ( to shut down the engine by cutting off fuel supply to the engine through the solenoid valve ) with variable setting connected to a thermostatically controlled blower must be provided for eliminating excessive heat dissipated by the engine within the acoustic enclosure. Suitable continuous on line Temperature Monitoring and Control System with Alarm and Shut Down Mechanism should be provided.

a) When the concentration of gas inside the acoustic enclosure reaches 10 % of LEL of gas, audio visual alarm should activate and automatic preventive measure should activate to reduce the concentration of leakage gas. These preventive measures include switching on heavy duty exhaust fan to disperse leakage gas or stoppage of gas leakage itself. b) When the concentration of gas inside the acoustic enclosure reaches 15 % of LEL of gas ( or any other suitable rating ), the alternator main circuit breaker should trip automatically and subsequently the engine should be shut down instantaneously by automatic device ( i.e., cutting off power supply to the fuel solenoid valve.)

vii. A separate Blower of suitable size should be provided and it will be in operation even if the thermostatically controlled blower stops / fails. viii. There should be a provision of emergency shut down of the generating set (Prime Mover) from outside the enclosure . ix. The enclosure should be complete with power and control wiring between control panel and alternator and other components like blowers etc with proper size copper cable. The cables should be terminated using gland and tinned copper sweating sockets and run through guard pipe. x. The enclosure should have the sufficient space in and around the generating set to facilitate maintenance and operation of the set xi. Acoustic Enclosure’s base frame should incorporate necessary facilities for handling and inter location transfer through oil field trucks and its overall dimension should not exceed 9M x 2.5 M x 2.5M ( Length x Width x Height). xii. The control panel for the Generating set should be installed separately on the same skid in a different enclosure ( which need not be acoustic ). The connection from the alternator and control panel should be carried out with 3.5 core 120 sq. mm PVC insulated, PVC sheathed armored copper cable and cable should be terminated with proper size of tinned copper sweating socket and cable glands at alternator and panel end. xiii. All the terminal boxes/Junction boxes etc, the battery and self starter connection terminals / and its components should be housed inside DGMS approved intrinsically safe enclosure.


15

NOTE : SPECIFICATION OF CONTINUOUS ON LINE GAS MONITORING SYSTEM

Detector / Gas Sensor: Actual Nos of Sensors to be decided based on locations where there is possibilities of gas leakage inside the acoustic enclosure. Type : IR (Infrared), suitable for detection of NATURAL GAS ( By Volume CH4 : 89.538 %, N2 : 1.004 %, CO2 : 0.543 %, C2H6 : 4.132 %, C3H8 : 2.491 %, Others : 2.292 % ) Range: 0 t0 100 % LEL Operating Temperature: 0 to 50 Deg C Display: 4 digit LCD Display Alarm Setting: Variable Shut down setting: Variable Control system: Suitable control system to be provided for alarm and safety shut down of the engine 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. Detectors must be suitable for hazardous environment i.e., Zone 1 & Zone 2 hazardous area as per OMR, 1984. Approval for Detectors / Sensors: Valid DGMS approval certificate must be provided with the offer.

11.1 Enclosure Illumination: Acoustic Enclosure Part :

A separate circuit shall be provided for lighting of the acoustic part of the enclosure. There shall be 3 nos. FLP type, Bulk head glass fitting, 160 MLLamp, Material- LM6, 230VAC, 50 HZ, IP-65, Lamp holder Porcelain ES-27, Suitable for hazardous Area Zone 1&2, gas group IIA & IIB of OIL Mine, fitted on wall of enclosure with control from non acoustic part of the enclosure. The light fitting shall be certified by CMRI and approved by DGMS, Dhanbad for installation in above hazardous area . 3x2.5 sq mm stranded copper conductor, PVC insulated, PVC sheathed, 1100v grade, heavy duty, approved by IS-1554, Armoured cable and FLP cable glands should be used for wiring purpose inside the acoustic enclosure. Make of Luminaire: Baliga / FCG Light will be switched from one MCB, 6amp, C curve, mounted on control panel cover & have back-up HRC fuse and neutral link of 6 amp rating. Make: Legrand/ Merlin-Gerin for MCB.

Non Acoustic Enclosure Part :

A separate circuit shall be provided for lighting of NON acoustic part of enclosure. Power for the lighting circuit shall be taken from the incoming switch in the control panel through backup HRC fuse & neutral link of 16 Amp rating. Enclosure shall have 2(Two) Nos of 1x40 Watt Tube light luminaries suspended with rigid supports from the roof or wall. These luminaries shall be wired with heavy duty PVC insulated, PVC sheathed, armoured, 3x4 sqmm stranded copper cables. Lights should be switched from individual 6 Amp, C curve, MCBs, mounted on the front cover of the control panel. One no. industrial type metallic plug socket of 20 Amp rating with 10 Amp SP MCB for switching shall be provided which shall be mounted on the side of the enclosure and fed from the lighting circuit. Make of Luminaire: Philips Make of Metallic plug & socket: Legrand / Merlin Gerin Make of MCB: Legrand / Merlin Gerin. Acoustic Enclosure Part :


16

A separate circuit shall be provided for lighting of the acoustic part of the enclosure. There shall be only 2 Nos DGMS approved intrinsically safe tube light fitting with control from non acoustic part of the enclosure. Armoured cable and FLP cable glands should be used for wiring purpose inside the acoustic enclosure. Make of Luminaire : Baliga / FCG / SUDHIR

NOTE :

1. Bidders should submit layout drawing of the acoustic enclosure indicating positions of engine, alternator etc along with the wiring diagram of the package and will have to be approved by OIL before execution of the order. 2. Enclosure design should be such that for any major maintenance activities the enclosures from any side can be easily dismantled and re-erected. 3. Generating set comprising of Engine, Alternator, and other auxiliaries should be placed inside an acoustic enclosure ( approved by ARAI, Pune/ NPL, New Delhi/ NSTL, Visakapatnam/ FCRI, Palghat / NAL, Bangalore) and the unit should be mounted to a common base frame. The set should have proper arrangement for easy loading /unloading to facilitate ease in transportation. 4. A panel viewing window should be provided to facilitate visual monitoring of the equipment from outside.

12.0 GENERAL NOTES : a. The offer will not be acceptable if the party do not quote for all items of the tender and supply, installation, commissioning of all items and cables. b. In their offer the bidder must mention their detailed comments point-wise against each point of tender specifications. Any deviation from the tender specification shall be specifically mentioned. Specific type and make of equipment should be mentioned. All the information required as per tender specifications must be submitted. c. In the event of an order the bidder will submit to OIL within one month of placement of order all documents and drawings as required against each item. d. The manufacture of the equipment is to be started only after written approval of the drawings/ documents by OIL as mentioned in tender against all equipment. e. Bidder will provide with the offer the list of tools and equipment available with the bidder to carryout the installation and commissioning work as per tender. f. The bidder will be responsible for safety of its personnel and safety of all the equipment. All the safety gadgets required for safely carrying out the job shall be provided by the bidder. g. Bidder will be responsible for safe custody of all the items before handing over to OIL. h. Handing over to OIL means supply, installation and commissioning of all items as per order and submission of all the documents and drawings as per order. i. The bidder to strictly ensure that all the cut ends of cables, packing materials, leftover items are removed from site after completion of work. j. No environmental damage shall be done while carrying out the job.


17

k. All the test reports must be signed by licensed electricians, jointers and supervisors who have carried out the installation and commissioning work as per order. 13.0 SKID : The skid should be of oilfield type and fabricated from sufficiently strong steel section for carrying the generating set from one place to another from time to time. The engine and alternator should be unitized and mounted on the skid before dispatch. The generator housing shall be one piece and mount directly to the engine flywheel housing without bolted adopter. 14.0 PAINTING : All metal surface shall be thoroughly cleaned and degreased. The under surface shall be prepared by applying a coat of phosphate paint and a coat of yellow zinc chromate primer. After preparation of under surface, the panel shall be spray painted with two coats of epoxy based final paint. Panel finish shall be free from imperfections like pin holes orange peels, run off paint etc. 15.0 RECOMMENDED SPARE PARTS : The bidder should provide a list of recommended spares for 2 years operation indicating item description, part number, quantity and price along with the quotation. The Prices of such spares should not change for next 2 years from the date quotation. However, the cost of these spares will not be considered for bid evaluation purpose. The bidders must submit a written undertaking that they would be able to supply all the requisite spares and consumables (including bought out items) for a minimum period of 10 (ten) years from the Certified date of comple tion / successful field commissioning of the unit. Original Equipment Manufacturer's undertaking must be forwarded for the items not manufactured by the bidder. 16.0 PARTS LIST, INSTRUCTION MANUAL & DRAWING : A. The supplier should provide two sets each of the manuals and books listed below for each unit:

i) Operating Instructions- with description and illustration of all switchgear controls and indicators and engine and generator controls.

ii) Parts Books- that illustrate and list all assemblies, subassemblies and components, except standard fastening hardware ( nuts, bolt, washers etc.).

iii) Preventive Maintenance Instructions- on the complete system that cover daily, weekly, monthly, biannual, and annual maintenance requirements and include a complete lubrication chrt.

iv. Routine Test Procedures- for all electronic and electrical circuits and for the main AC generator. v) Troubleshooting Chart- covering the complete generator set showing description of trouble, probable cause

and suggested remedy. vi) Recommended Spare Parts List- showing all consumables anticipated to be required during routine

maintenance and test. vii) Wiring Diagram And Schematics- showing function of all electrical components. viii) One set of drawing showing installation details of the generating set, oilfield type skid, wiring diagram for

the control panel ( inclusive of float charger ) and wiring drawing between the alternator and control panel should be provided with each generating set. All control panel diagram and schematic diagram are to be sent to us before supply of order materials.

ix) The bidders should provide installation diagram of the set and performance data sheet along with the quotation.

x) The supplier should provide along with the set: i) Dynamic load

ii) Static load


18

iii) Any unbalanced load B. All manuals and books described above shall be contained in rigid plastic pouches and in digital form along with the Genset. 17.0 INSPECTION AND TEST :

a) The plant and materials may be subjected for inspection during manufacture at the purchaser’s discretion but such inspection shall not relieve the supplier of his responsibility to ensure that the equipment supplied is free from al manufacturing and other defects and conform to correct specifications. The supplier will be notified in advance, if it is intended to inspect plant or material.

b) Pre dispatch inspection of the sets shall be carried out by OIL’s personnel at the works of manufacture. Full load testing of the generator sets for output and performance shall be carried out in presence of the purchaser or his representative appointed for the purpose and to his satisfaction. If natural gas to run the engine for full load testing is not available at manufacturer’s works, the generating set must be tested at purchaser’s premises and accordingly supplier to depute service engineer to commission the set at purchaser’s premise. The purchaser, in such case, will provide fuel gas and arrangement for loading the generator. All other appliances, apparatus, labor etc. necessary for the tests shall have to be provided by the supplier at his cost.

c) The generating set shall be acceptable to the purchaser only after satisfactory full load test. Note:- Inspection/testing charges, if any, shall be quoted separately which shall be considered for evaluation of the

offers. To and fro fares, boarding/ lodging and other en-route expenses of OIL’s Inspection team for carrying our inspection shall be borne by OIL.

18.0 TEST CERTIFICATES : The supplier shall submit detailed records and certificates of the foregoing tests to the purchaser. The certificates/records shall be supplied in quadruplicate and those for electrical equipment shall be endorsed “suitable for use in the climatic conditions specified”. Supplier should also certify that spark plug cables are protected and possibility of spark is completely eliminated. 19.0 PACKING : The packing shall be sufficiently robust to withstand rough handling. Boxes/packing cases containing electrical equipment shall be water proof lined. All the matters on the control panel should be packed separately for mounting at site or mounted in such a manner to prevent transit damage. 20.0 INSTALLATION , COMMISSIONING, TESTING AND HANDING OVER : Installation And Commissioning Of Electrical Part Of The Unit:- 1. Installation and Commissioning of the generating sets, control panels mounted on skid and changeover switch (if supplied with the genset) shall be carried out by the bidder in the presence of OIL representatives at its fields at Duliajan, Assam (India). Services of qualified and competent personnel from equipment manufacturer are essential during installation and commissioning of the generating sets. Persons engaged for installation, testing and commissioning of alternator and control panel should have valid electrical license. A person who is authorised for supervision of all electrical works should have electrical supervisory license. External power cable from control panel of the unit to the load center and change over switch shall be supplied by OIL and the party will connect the same to the Gen set control panel. Party shall connect the earthing leads (Four nos) of the unit to OIL’s earth system using the10.0 M long earth leads provided inside the unit.


19

2.The Gen set will be treated as successfully commissioned from electrical side after successful load test (reliability run) of the unit at OIL’s field site with available load for 72 hrs continuous running without any breakdown and submission of all documents as per Para 7.3 of Documents and all spares as per para 9. Installation and Commissioning of the generating set and control panels shall be carried out by the bidder in the presence of OIL representatives at its fields at Duliajan, Assam (India). Services of qualified and competent personnel from equipment manufacturer is essential during installation and commissioning of the generating sets. Persons engaged for installation, testing and commissioning of alternator and control panel should have valid electrical license issued by State Licensing Board. A person who is authorized for supervision of all electrical works should have valid supervisory license. Materials such as line pipes, fittings necessary for fabricating fuel/ water lines, supports for engine exhaust shall be provided by OIL. OIL will provide necessary statutory permits for welding and cutting jobs in classified areas as and when required.

Note : a) OIL will give 14 days advance notice prior to installation to the successful bidder. b) Once commissioned at designated site the generating set will be subjected to a trial run (reliability run) on

available load for a minimum period of 72 hrs continuously and on satisfactory performance shall be subsequently handed over to OIL.

c) Installation / commissioning charges should be quoted separately which shall be considered for evaluation of the offers. These charges should included amongst others to and from fares, boarding/ lodging and other expenses of the commissioning engineers during their stay at Duliajan, Assam (India). Bidders should also confirm about installation/ commissioning in the Technical Bid.

21.0 RESPONSIBILITY: The responsibility for performance to the specifications shall not be divided among individual component manufacturers, but must be assumed solely by the primary manufacturer. This includes generating system design, manufacture, test, and having a local supplier responsible for service, parts and warranty for the total system. 22.0 AFTER SALES SERVICE : The nature of after sales service, which can be provided by the supplier, during initial erection and commissioning as also subsequent operation should be clearly stated in the quotation. 23.0 GUARANTEE Generator and control panel shall be guaranteed for 12 months after commissioning of Gen set or 18 months after supply, whichever is earlier. Any defects in the Engine or Alternator during warranty period shall be replaced by the supplier at his cost without any extra charge to OIL. 24.0 DATA SHEET FOR ENGINE :

MAKE MODEL NUMBER OF CULINDER ASPIRATION COMPRESSION RATIO SIZE (BORE & STROKE) DISPLACEMENT DUTY GROSS HP AT 1500 RPM DEDUCTION FOR FAN, ALD & TEMP. NETT HP AVAILABLE AT 1500 RPM


20

SPECIFIC FUEL CONSUMPTION • 100% LOAD • 75% LOAD • 50% LOAD

LUB OIL CONSUMPTION( LT/HR) ENGINE SUMP CAPACITY ENGINE RADIATOR/ HEAT EXCHANGER CAPACITY( LTS) MAKE & TYPE OF GOVERNOR LENGTH x WIDTH x HEIGHT

25.0 DATA SHEET FOR ALTERNATOR :

Make : Rated Output : Phase : Frequency : No. of Poles : RPM : Rated power factor : Conductor Material : Type : Duty : Class of insulation : Connection : Site Condition : Alternators Internal Protection (Enclosure) : Alternators Terminal Box protection : Cooling : Excitation system : Automatic Voltage Regulation : Permissible voltage variation at rated : speed, and power factor : Voltage swing (transient response) : Permissible Engine Speed variation : Permissible frequency variation at rated : speed and power factor Period for taking load from start impulse : Motor starting ability : Overload capacity : Unbalanced current carrying capacity : Short circuit current withstand capacity : Over voltage : Mounting : Amplitude of vibration at no load :

26.0 DATA SHEET OF PANEL AND INSTRUMENTS :

1) MAIN SWITCH a) Make b) Rating c) Cat No/ Type


21

2) MCCB a) Make b) Rating c) Cat No/Type

3) Earth Leakage Relay a) Make b) Range c) Cat No/Type

4) Voltage Monitoring Relay a) Make b) Range c) Cat No/Type

5) Digital RPM Meter a) Make b) Range c) Cat No.

6) COS a) Make b) Rating c) Cat No

All the components including CT, indicating meters, fuses, push buttons etc shall be as per NIT General Notes for Bidders :- (Bidders should confirm each & every point clearly. Deviations, if any, should be highlighted in the quotation.) 1.0 Bidder should indicate the name of manufacturer & country of origin. 1.1 Materials shall be brand new, unused & of prime quality. 2.0 Bidders to indicate compliance of the above Inspection & Test clauses mentioned in the document vide Para

10.0 & 17.0 above. Pre-dispatch/Shipment Inspection & Testing charges, if any, must be quoted Separately on lump sum basis which shall be considered for evaluation of the offers. To and fro fares, boarding/ lodging and other en-route expenses of OIL’s Inspection team for carrying our inspection shall be borne by OIL.

3.0 Installation & Commissioning :

3.1 The successful bidder will be required to install and commission the unit as indicated in the document vide Para 20.0 above by their competent service engineer.

3.2 Installation/ Commissioning charges must be quoted separately on lumpsum basis which shall be considered for evaluation of the offers. Total Nos. of days required for commissioning shall also be clearly indicated by the bidders.

3.3 While quoting Installation/Commissioning above, bidder should take into account all charges including to and fro

fares, boarding/lodging, local transport at Duliajan, Assam and other expenses of supplier's personnel during their stay at Duliajan. OIL may provide accommodation on Chargeable basis subject to availability. Bidder should confirm about providing all these services in their Bid. However, OIL reserves the right to avail such services at its own discretion.


22

4.0 Tax & Duties: (i) All taxes, stamp duties and other levies imposed outside India shall be the responsibility of the

Bidder/Seller and charges thereof shall be included in the offered rates. (ii) All Taxes & levies imposed in India, for the services including installation & commissioning, shall be to

the Bidder/Seller's account. (iii) Income Tax on the value of the Services rendered by the Bidder /Seller in connection with installation,

commissioning, training etc. shall be deducted at source from the invoices at the appropriate rate under the I.T. Act & Rules from time to time.

5.0 Payment : Payment shall be released as follows:

i) 80 % of the order value shall be paid against dispatch / shipment of the goods. ii) Balance 20 % of the order value along with the commissioning charges shall be paid after successful commissioning and acceptance of the item by OIL. OIL may also consider 100 % payment against shipment / despatch document provided bidder agree to pay the interest for 20 % of order value and also submit Bank Guarantee equivalent to 20 % of the order value in addition to the Performance Security of 10 %. Any offer not complying with the above shall be loaded at one percent above the prevailing Bank rate (CC rate) of State Bank of India for evaluation purpose.

6.0 Oil India Purchase Order No. must be engraved on the body of the item. Bidder must confirm the same categorically in their quotation.

6.1 To ascertain the substantial reponsiveness of the bid OIL reserves the right to ask the bidder for

clarification in respect of clauses covered under BRC also and such clarifications fulfilling the BRC clauses in toto must be received on or before the deadline given by the company, failing which the offer will be summarily rejected.

6.2 The items covered by this enquiry shall be used by Oil India Limited in the PEL/ML areas which are

issued/renewed after 01/04/99 and hence Nil Customs Duty during import will be applicable. Indigenous bidder shall be eligible for Deemed Export Benefit against this purchase. Details of Deemed Export are furnished vide Addendum to MM/GLOBAL/E-01/2005 attached.

6.3 Other terms and conditions of the tender shall be as per “General Terms & Conditions” for e- Procurement

as per Booklet No. MM/GLOBAL/E-01/2005 for E-procurement (ICB Tenders). However, if any of the Clauses of the Bid Rejection Criteria (BRC) / Bid Evaluation Criteria (BEC) mentioned here contradict the Clauses in the “General Terms & Conditions” for e-Procurement as per Booklet No. MM/GLOBAL/E-01/2005 for E-procurement (ICB Tenders) of the tender and/or elsewhere, those mentioned in this BEC / BRC shall prevail.

6.4 The following clause to be added as para 13.3 of Section A of General terms and Condition for Global

Tender (MM/GLOBAL/E-01/2005). Clause 13.3- In the event of receipt of only a single offer against the tender within B.C. date,

OIL reserves the right to extend the B.C. date as deemed fit by the company. During the extended period, the bidders who have already submitted the bids on or before the original B.C. date, shall not be permitted to revise their quotation.

Contd..23


23

Annexure – II

Bid Rejection Criteria (BRC) & Bid Evaluation Criteria (BEC) (I) BID REJECTION CRITERIA (BRC)

The bid must conform to the specifications and terms and conditions given in the enquiry. Bid will be rejected in case the items offered do not conform to all the required technical parameters stipulated in the technical specifications and to the respective international / national standards wherever stipulated. Notwithstanding the general conformity of the bids to the stipulated specifications and terms and conditions, the following requirements shall have to be particularly met by the bidders, without which the offer will be considered as non-responsive and rejected.

A. Technical 1.0 The Gas engine should be conforming to ISO 3046 / BS 5514 / IS 10000 standards and

capable of developing net minimum BHP 290BHP at 1500 rpm and maximum compression Ratio of 10:1 .

2.0 The Alternator must be brushless type. 3.0 Bidders should have the experience of successfully completing at least 3 (Three) orders in

the last 10 (Ten) years preceding from the bid closing date of this tender against supply, installation, commissioning and testing of Gas Engine driven Generating sets of capacity 200 KVA or above for offered Genset along with the Control Panels and accessories in PSUs, Central Govt. or any other reputed Public Limited Company. Documentary evidence in this regard must be provided along with the offer failing which offer will be rejected.

4.0 Bidder should be an OEM or authorized dealer of OEM for the engine, alternator and the

complete generating set or an OEM approved assembler of generating sets or his authorized representative. Documentary evidence in this regard must be provided along with the offer failing which offer will be rejected.

(OR)

If the bidder is an OEM of engine or their authorized dealer then he must purchase the Alternator from OEM of Alternator or their authorized dealer and vice versa. Documentary evidence in this regard must be provided along with the offer failing which offer will be rejected.

(OR) If the bidder is an OEM approved assembler of generating sets, he must purchase the

engine and the Alternator from OEM or their authorized dealers. Documentary evidence in this regard must be provided along with the offer failing which offer will be rejected.

5.0 The bidder must undertake and confirm from OEM’s that the equipment to be supplied are

not going to become obsolete for the next 10 years and provisioning of spares can be continued.

(B) COMMERCIAL : 1.0 Bids are invited under Single Stage Two Bid System. Bidders shall quote accordingly under Single Stage Two

Bid System. Any offer not complying with the above will be rejected straightaway.


24

2.0 Bid security of US $ 9,000.00 or Rs. 4,50,000.00 shall be furnished as a part of the TECHNICAL BID (refer Clause Nos.9.0 & 12.0 (Section A) of “General Terms & Conditions” for e-Procurement as per Booklet No. MM/GLOBAL/E-01/2005 for E-procurement (ICB Tenders)). Any bid not accompanied by a proper bid security in ORIGINAL will be rejected without any further consideration. For exemption for submission of Bid Security, please refer Clause No. 9.8 (Section A) of “General Terms & Conditions” for e-Procurement as per Booklet No. MM/GLOBAL/E-01/2005 for E-procurement (ICB Tenders). The Bid Security shall be valid for 240 days from the date of bid opening.

1.0 Validity of the bid shall be minimum 6 months (180 days) from Bid closing date. Bids with lesser validity will be

rejected. 2.0 Bidders must confirm that Goods, materials or plant(s) to be supplied shall be new of recent make and of the

best quality and workmanship and shall be guaranteed for a period of eighteen months from the date of shipment/dispatch or twelve months from the date of commissioning whichever is earlier against any defects arising from faulty materials, workmanship or design. Defective goods/materials or parts rejected by OIL shall be replaced immediately by the supplier at the supplier’s expenses and no extra cost to OIL.

3.0 Successful bidder will be required to furnish a Performance Bank Guarantee @10% of the order value. The

Performance Bank Guarantee must be valid for one year from the date of receipt/acceptance of goods or 18 months from the date of shipment whichever is earlier. Bidder must confirm the same in their Technical Bid. Offers not complying with this clause will be rejected.

4.0 Bidders are required to submit the summary of the prices in their commercial bids as

per bid format ( Summary ), given below :

(i) Commercial Bid Format ( SUMMARY ) for Foreign Bidders : (A) Total material cost of the Gen set with Accessories (B) Cost of Commissioning spares, if any (C) Grand Total Material Cost, ( A + B ) (D) Packing & FOB Charges (E) Total FOB Port of Shipment value, ( C + D ) above (F) Ocean Freight Charges upto Kolkata, India (G) Insurance Charges (H) Total CIF Kolkata value, ( E + F + G ) (I) Pre-despatch Inspection & Testing charges( by OIL), if any (J) Installation & Commissioning charges (K) Total Value, ( H + I + J ) above (L) Total value in words : (M) Gross Weight : (N) Gross Volume

(ii) Commercial Bid Format ( SUMMARY ) for Indigenous Bidders : (A) Total material cost of Gen set with Accessories (B) Cost of Commissioning spares, if any (C) Grand Total Material Cost (D) Packing and Forwarding Charges (E) Total Ex-works value


25

(F) Sales Tax, (Please indicate applicable rate of Tax) (G) Total FOR Despatching station price (H) Road Transportation charges to Duliajan (I) Insurance Charges (J) Assam Entry tax (K) Total FOR Duliajan value (L) Pre-despatch Inspection & Testing charges( by OIL), if any (M) Installation & Commissioning charges (N) Total Value, ( K + L + M ) above (O) Total value in words : (P) Gross Weight : (Q) Gross Volume :

NOTE :

1. Cost of individual items must be quoted separately. 2. The Commissioning Spares and 2 years Operationally Critical Spares should also be quoted

separately indicating the unit price and quantity quoted. 3. The items covered under this enquiry shall be used by OIL in the PEL/ML areas issued/renewed

after 01/04/99 and hence, applicable Customs Duty for import of goods shall be ZERO. Indigenous bidders must quote Deemed Export prices. Excise Duty under Deemed Export exempted.

7.0 Pre-Despatch / Shipment Inspection & Testing charges, if any, shall be quoted on lumpsum basis separately which shall be considered for commercial evaluation of the offers. However, all to and fro fares, boarding/lodging and other expenses of OIL’s Inspection Engineer(s) shall be borne by OIL. Installation/Commissioning and Training charges must be quoted separately on lumpsum basis which shall be considered for evaluation of the offers. These charges should include amongst others to and fro fares, boarding/lodging, local transport at Duliajan and other expenses of supplier’s commissioning/training personnel during their stay at Duliajan, Assam(India). Bidders must categorically indicate the above charges in their commercial offers and must confirm the same in their Technical bids.

(II) BID EVALUATION CRITERIA (BEC) :

Bids conforming to the specifications, terms and conditions stipulated in the tender and considered to be responsive after subjecting to the Bid Rejection Criteria will be considered for further evaluation as per the Bid Evaluation Criteria mentioned in Section D of “General Terms & Conditions” for e- Procurement as per Booklet No. MM/GLOBAL/E-01/2005.

Contd..26


26

Annexure-III CHECK LIST

THE CHECK LIST MUST BE COMPLETED AND RETURNED WITH YOUR OFFER. PLEASE ENSURE THAT ALL THESE POINTS ARE COVERED IN YOUR OFFER. THESE WILL ENSURE THAT YOUR OFFER IS PROPERLY EVALUATED. PLEASE TICK MARK 'YES' OR 'NO' TO THE FOLLOWING QUESTIONS, IN THE RIGHT HAND COLUMN.

( A) TECHNICAL CHECK LIST 1. Whether quoted as OEM of Engine and whether documentary

evidence submitted? YES/NO

2. Whether quoted as OEM of Alternator & whether documentary evidence submitted?

YES/NO

3. Whether quoted as Authorized Dealer of OEM(Engine/Alternator) and whether documentary evidences submitted?

YES/NO

4. Whether quoted as Assembler , OEM of Gen Set manufacturer or authorized dealer of OEM ( Gen Set Manufacturer)?

YES/NO

5. Whether separately highlighted any deviation from the technical specification?

YES/NO

6. Whether detail specification of Alternator with manufacturer’s technical literature/catalogue enclosed?

YES/NO

7. Whether test certificate of Alternator and Control Panel will be submitted?

YES/NO

8. Whether two sets of installation/ commission, Maintenance Manual shall be submitted?

YES/NO

9. Whether spare parts for 10 years shall be supplied? YES/NO 10. Whether power and Wiring diagram of Alternator Control Panel

submitted? YES/NO

11. Whether bill of Materials of Control Panel submitted? YES/NO 12. Whether confirmed that control panel drawing shall be approved by

OIL before manufacturing in the event of placement of order? YES/NO

13. Whether offered engine is as per NIT ? YES/NO 14. Whether quoted for supply, installation, commissioning & handing

over of genset? YES/NO

Signature _______________________ Name _______________________

Designation ______________________


27

ANNEXURE III ( B ) COMMERCIAL CHECK LIST THE CHECK LIST MUST BE COMPLETED AND RETURNED WITH YOUR OFFER. PLEASE ENSURE THAT ALL THESE POINTS ARE COVERED IN YOUR OFFER. THESE WILL ENSURE THAT YOUR OFFER IS PROPERLY EVALUATED. PLEASE SELECT "Yes" OR "No" TO THE FOLLOWING QUESTIONS, IN THE RIGHT HAND COLUMN.

Sl# REQUIREMENT COMPLIANCE

1.0 Whether bid submitted under Single Stage Two Bid System? Yes / No

2.0 Whether quoted as manufacturer? Yes / No

2.1 Whether quoted as Supply House / Distributor. To Specify- Yes / No

2.2 If quoted as Supply House / Distributor, Yes / No

(a) Whether submitted valid and proper authorization letter from manufacturer confirming that bidder is their authorized Supply House for the product offered ?

(b) Whether manufacturer’s back-up Warranty/Guarantee certificate submitted?

3.0 Whether ORIGINAL Bid Bond (not copy of Bid Bond) Sent separately? If YES, provide details

(a) Amount :

(b) Name of issuing Bank :

(c) Validity of Bid Bond :

3.1 Whether offered firm prices ? Yes / No

3.2 Whether quoted offer validity of Six months from the date of closing of tender? Yes / No 3.3 Whether quoted a firm delivery period? Yes / No

3.4 Whether agreed to the NIT Warranty clause? Yes / No

3.5 Whether confirmed acceptance of tender Payment Terms of 80% against shipment/dispatch documents and balance 20% after successful commissioning along with commissioning charges?

Yes / No

3.6 Whether confirmed to submit PBG as asked for in NIT? Yes / No

3.61 Whether agreed to submit PBG within 30 days of placement of order? Yes / No 3.7 Whether Price submitted as per Price Schedule (refer Para 6.0 of BRC vide Annexure – II)? Yes / No 3.71 Whether the quoted price is inclusive of TEG, Commissioning & operationally critical spares? Yes / No 3.72 Whether all the items of tender quoted?

Yes / No

6.73 Whether confirmed that all spares & consumables will be supplied for a minimum period of 10 years?

Yes / No

3.74 Whether cost of Recommended Spares for 2 years of operations quoted? Yes / No 3.8 Whether quoted as per NIT (without any deviations)? Yes / No

3.81 Whether quoted any deviation? Yes / No

3.82 Whether deviation separately highlighted? Yes / No 3.9 Whether indicated the country of origin for the items quoted? Yes / No

3.91 Whether technical literature / catalogue enclosed? Yes / No

3.92 Whether weight & volume of items offered indicated? Yes / No


28

4.0 For Foreign Bidders - Whether offered FOB / FCA port of despatch including sea / air worthy

packing & forwarding? Yes / No

4.1 For Foreign Bidders – Whether port of shipment indicated. To specify: Yes / No

4.2 For Foreign Bidders only - Whether indicated ocean freight up to Kolkata port (Excluding marine insurance ) ?

Yes / No

4.3 Whether Indian Agent applicable ? Yes / No

If YES, whether following details of Indian Agent provided?

(a) Name & address of the agent in India – To indicate

(b) Amount of agency commission – To indicate

(c) Whether agency commission included in quoted material value?

5.0 For Indian Bidders – Whether indicated the place from where the goods will be dispatched. To specify :

Yes / No

5.1 For Indian Bidders – Whether road transportation charges up to Duliajan quoted? Yes / No

5.2 For Indian Bidders only - Whether offered Ex-works price including packing/forwarding charges? Yes / No 5.3 For Indian Bidders only - Whether indicated import content in the offer? Yes / No

5.4 For Indian Bidders only - Whether offered Deemed Export prices? Yes / No

5.5 For Indian Bidders only – Whether all applicable Taxes & Duties have been quoted? Yes / No 6.0 Whether all BRC/BEC clauses accepted ? Yes / No

7.0 Whether confirmed to offer the equipment for Pre-despatch/shipment Inspection & testing? Yes / No 7.1 Whether Pre-despatch/shipment inspection & testing charges applicable ? Yes / No 7.2 If Pre-despatch/shipment inspection & testing charges applicable, whether quoted separately on

lumpsum basis? Yes / No

7.3. Whether confirmed to carry out Installation & Commissioning of the equipment at Duliajan(Assam) ?

Yes / No

7.4 Whether Installation & Commissioning charge applicable? Yes / No 7.5 If Installation/ Commissioning and Training charges applicable, whether separately quoted on

lumpsum basis? Yes / No

7.6 Whether to & fro air fares, boarding/lodging of the commissioning personnel at Duliajan, Assam(India) included in the quoted charges ?

Yes / No

7.7 Whether confirmed that all Service, Income, Corporate tax etc. applicable under Installation/ Commissioning & Training are included in the prices quoted ?

Yes / No

Signature _______________________ Name _______________________

Designation ______________________

Supply, Installation, Testing, Commissioning and Handing ... · The ignition system should be a Non...

Documents

Transcript of Supply, Installation, Testing, Commissioning and Handing ... · The ignition system should be a Non...