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| 1 | Supply, laying & testing XLPE Insulated PVC bedded, galvanised steel strip on wire armoured with stranded armoured 1100 volts grade under ground heavy duty power electric cable, laid in trenches/duct/on pole including all necessary fixing arrangement such as lugs and termination etc of cross sectional area 95Sqmm 3.5core complete all as specified and as directed. |
| 2 | Supply, install, test and commissioning of 82.5KVA/66 KW DG set diesel engine driven Generating set with alternator out put Voltage 415 Volts +/- 1% at set value of 415 V at a frequency 50HZ +/- 0.5%, suitable for prime duty operation,with STD control panel ,consisting of AMF feature to be errected at location indicated,allmounted in acoustic enclosure andControl panel as per manufacturers design and specification confirming to norms of CPCB IV+ and latest CPCB amendmentscomplete with the following:-i)DG Fuel tank of minimum capacity for 12 Hr runing inwith fuel gauge etc complete all as,ii) Battery & Leadsiii) Silencer as per OEM design & recommendations complete as per latest CPCB norms.iv) AVM Pads v) First Fill of Lube vi) Acoustic Enclosurevii)Standard Control Panel (AMF)with connected switchgear/relays/meters completeto be errected at location indicated. (viii) Suitable size RCC cement concrete foundation platform of canopy base with height as required at site to mount the generator as per manufacturer\"s instructions/ recommendations. (ix)The cost of foundation bed incl earth worketc wiil be paid separately.(x) The cost of control cables from engine Control panel to AMF panel, transportation, installation, testing & commissioning etc shall be deemed to be included in the cost quoted. |
| 3 | xi) The details specifications appended below :- (I)ENGINE(a) General: Suitable four stroke compressed ignition, radiator water cooled,Turbocharged aspiration, continuous duty with 10% overload capacity for 1 hour in 12 hours continuous running, with 50°C intake air temperature, latest CPCB Euro emission engine ,turbocharged four stroke engine developing minimum 104 BHP @ 1500 RPM under NTP conditions, coupled to alternator mounted on Channel Iron base framecomplete accessories etc .The prime mover provided should be as per IS specifications.(b) Air intake systemshould comprise of dry type intake air filter mounted on engine, one in number vacuum indicator mounted on intake piping..(c ) Exhaust System should comprise of one exhaust manifold, dry type, mounted on engine, one exhaust silencer which should be positioned in such a way that the exhaust gas is not sucked by the fan on the radiator, thereby affecting the cooling system. The silencer should cater to the noise level tolerance prescribed in the relevant IS/BS.d) Fuel System should comprise of disposal type element fuel filter, pressure type fuel pump mounted on engine, non return check valve in fuel supply and drain lines, wire braided hose between filter and pump, fuel system with suitable capacity electronic governor and engine mounted actuator. The fuel tank must have proper locking arrangement with level indicator and to be provided externally/separately.(e) Cooling System should comprise of radiator designed, hospital type silencer and tested for 50°C ambient temperature with 7 PSI pressure cap mounted on base rail. The thermostat installed in the engine coolant outlet, fresh water pump mounted on engine, fan and fan hub mounted on engine. |
| 4 | (f) Lubricating System should comprise of lubricating oil sump mounted on engine, gear driven lub oil pump mounted on engine, lubricating oil cooler-fresh water cooled integral with engine cool out circuit mounted on engine, oil filter lubricating with cap and lubricating oil dip stick for oil level check mounted on engine. The system should be capable of feeding lube oil to the main end& large end bearings, cam shaft, valve rocker gear and all moving parts.(g) Starting System should comprise of suitable voltage DC electrical starter mounted on engine, with suitablemaintenance free battery of capacity 12 V DC - 02 Nos with suitable AH to be mounted in trays (having rubber insulation) on the main frame. It should have the provision to charge the battery from external sources during static condition and while running of the generator.(h)AC Generator The generator shall be horizontal and foot mounted,minimum82.5 KVA, 415 Volts, 3 phase, 4 wire, 0.8 PF, 50 HZ, self excited, self regulated, brushless AC generator, suitable for voltage regulation + 1% , an ambient temperature of 50° C with IP-23 enclosure class H insulation and temperature rise limited to class H as per following technical details:-(i) Type, Brush less AC Generators with PMG and space heater as per OEM design(ii) Output rating 82.5 KVA(iii) Output Voltage: 415 ± 1% under all loading conditions and with maximum voltage Dip at full load 0.8 PF shall be <19% as per OEM design.(iv) Output frequency 50Hz ±0.5% up to 0.8 lagging.(v) No of Phases: 3 phase with 01 Neutral (4 wire)(vi) Mounting : Horizontal foot mounted.(vii) Enclosure :Minimum IP-23 / Drip proof and screen protected. |
| 5 | (viii) Electronic Automatic voltage regulator with response time < 75 m sec and + range of voltage adjustment.(ix) Class of insulation-\"H\"(x) Short circuit withstand 3 times rated current for 3 secs and overload withstand capacity for continuous duty with 10% overload capacity for 1 hour in 12 hours continuous running(xi) Overspeedcapacity 1800 RPM for 2 min.(xii)Suitable for Maximum UnbalancedLoad across phases shall be less than or equal to 25%.NOTE : Following shall be deemed to be included in quoted rates :-(i) Standard Control panel with AMF feature outdoor type for 82.5 KVA DG set as per OEM design to be errected inside sub-station.(ii) Suitable size frame base with height as required mount the generator as per manufacturer\"s instructions/ recommendations. (iii) Connectingcables, from existing panels and connecting cables , cables glands, cable lugs to new panel complete with all necessary accessories.(iv) Install & connecting fuel lines, cable etc.(v) Test and commissioning complete.(vi) The cost of control cables from engine Control panel to AMF panel, transportation, installation, testing & commissioning etc shall be deemed to be included in the cost quoted.(j) BASE FRAME: Shall be stand by and fabricated with CRCA sheet metal which shall be suitable to mount the engine, alternator and radiator, channel width of base frame shall be adequate to accommodate anti-vibration pads. |
| 6 | k) ENGINE CONTROL PANEL: Control panel shall be powder coated , weather proof type with PCC3.3 controller or suitable equivalent controlleras per OEM design, mounted inside the acoustic,consist of the following. 1.suitable rated switchgear/MCCB 2. Engine control unit (ECU),3. Current Trasformer set, 4. Indicating Lamps, 5. Set running & load on setShall be indoor type manufactured with 14/16 guage CRCA sheet and is powder coated for weather-proff and long lasting finish consisting of alarm,indication and safety ( Over speed,High coolant temperature,low oil pressure,water in fuel,engine common fault low fuel level,low coolant level,emergency stop on enclosure, under frequency,over frequency,under voltage over voltage,over current,over load kw, battery under voltage), microprocessor power command controller, Aluminium busbars with suitable capacity with incoming/outgoing terminals, indicating lamps for \"Load ON\" and \"Set Running\", instrument fuses duly wired and ferruled , Volt meter, ammeter with selector switches, Frequency meter, energy meter,CTs and 3 Phase indicating lamps, timers etc all as per latest engineering practices.etc. complete all as specified and directed. |
| 7 | (l) Standard Control panel with AMF feature ,door, slopy canopy type for 82.5 KVA DG set as per OEM design to be errected outside as indicated/directed. Standard Control panel with auto mains failure (AMF) feature complete , floor mounted type,vertical,factory made outdoor type, double door ,canopy, fabricated out of 3.00 mm thick CRCA sheet with angle iron base frame made of 50 x 50 x 6mm or channels atbase of Panel board floor mounted, dust and vermine proof, suitable for voltage 415 V Three Phase 4 wire, 50 HZ AC supply, weather proof, with separate hinge door for each compartment & locking arrangement, with back door openable (Screwed), legs welded/boltingcomplete including paintingwith two coats of epoxy powder paint over a coat of primer after under going a rigorous metal treatment process involving alkaline degreasing, descaling in dilute sulphuric acid or any other acid and phosphate and with aluminium busbar (TPN) of suitable rating, suitable double compression copper cable glands and includingprovn of the following :-(i) Protection relays as per OEM design/approved make.(ii) Minimum 160 A ,4P 36 KA EDO type MCCB of qty/capacity all as per OEM design(iii) Suitable rated resin cast CTs.(iv) Suitable rated inbuilt AVR.(v) SMPS based automatic battery charger, 24V, 20A with DCV, DCA -02 Nos.(vi) Digital Multifunction meters with RS 485 with LAN port hub. (xi) Suitable capacity copper control cables, necessary indications, hooters, auxilliary contactors, TNC & LVM interlocking etc.(vii) Provn of scope for future expansion for additioning of 1 No DG set from side end extension.(b)BACK-UP PROTECTION :- HRC Fuse for short circuit protection.(c)MICRO PROCESSOR BASED AMF MODULE :- |
| 8 | (i) Functions:-aa) Manual/auto/test selector switch(ab) Engine START/STOP(iii) Blank(iv) Annuciation (LED Type): (Faults) (aa) Engine fails to start(ab) Low lub oil pressure(ac) High water temperature(ad) Generator over load(ae)Battery Voltage(af)Low fuel level(v) Additional features:-(aa) Continuous reading digital voltmer/Ammeter/freqauency meter (ab) Multifunction meters (ac) Electronic (with counter display)KWH Meter.(vi) Relay consisting of following features.(aa) 3 Phase mains supply voltage sensing (ab) Earth fault(ac) Earth leakage (ad) LED Indications (ae) Engine ON, Load on DG(af) Mains On, Load on Mains (ag) overload(vii) Push buttons (AMF Module by pass mode):-(aa) Engine START/STOP(ab) Geneator contactor CLOSE/TRIP(ac)Mains contractor CLOSE/TRIP (ad) Fault ACCEPT/RESET(viii) Engine Meters:- (aa) Lub oil pressure (ab) Water Temparature(ix)Battery Charger:- SMPS Based automatic float cum boost battery charger with following :-(x) Bypass switch of suitable rating |
| 9 | (m) Accessories :-(i)01 No standard mechanical and electrical tool box. (ii) Internal covered tube lights.(n) Acoustic Enclosure :-Specially designed to meet CPCB norms 75dBA @ 1 mtr at 75% load under free field conditions. The Acoustic enclosure is made of CRCA sheets and a structural/sheet metal base with high quality noise absorbent, 11 tank pretreatment process and UV resistant powder coating of all parts to withstand extreme environment and fire-retardant grade acoustic insulation material (P.U.Foam) complying to IS 8183 with two point lifting handles.(a)Internal Lighting: Tube lights with protective mesh around it to be fitted inside the container for proper illumination (b) Doors :The enclosure will be provided with suitable doors on the side and rear to enter the enclosure during operation and maintenance.All doors will be provided with lock and handles for opening/ closing the doors, retainers for holding the panel door.(p) Painting Scheme ISS shade 220 olive green 1994 or all as per manufacturers specifications(q) Lifting/ Transportation arrangements :-Container with suitable corners will be provided to lift the DG set along with container. This is suitable for road/ rail/ sea transportation.(r) Trials:-Trials on site should be given as per load tests prescribed and all functional trials should be shown.Note : (i) The Engine, alternator, Control Panel,Acoustic enclosure shall be integrated unitsourced and AMF panel,to be installed outside shall be fromOEM only as per Make given in Sch \"A\" |
| 10 | Notes :- (i) Testing of DG set shall be carried out by Officer nominatedby GE. The cost of POL & resistive load required for testing the DG Set is deemed to be included in quoted rates. The DG Set shall run for a period of 12 Hours continuosly out of which 15 minutes on No Load , 2 Hrs 15 minutes of 25% rated load, 2 hrs on 50% rated load , 2 Hrs 30 minutes on 75 % rated load, 4 Hrs on rated full load, 1 Hrs on 110% rated full load.(ii) First filling of coolant, Engine Oil, lubricants and fuel etc should be arranged by contractor for complete testing and quoted rate deemed to be inclusive for the same.(iii) The Contractor shall submit technical specifications and General Arrangement drawings of OEM for approval before placing order.(iv)The contractor shallsubmit the foundation drawing of OEM for approval . The contractor shall visit site before quoting the tender for ascertaining the complete work required. Any excess earth strip from earth test point to DG set shall be provided at no extra cost and quoted rate is deemed to be inclusive for the same. |
| 11 | Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in softloose soil for laying / taking up/ taking down of cablesand getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge. |
| 12 | Returning filling in Including spreading, levelling. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed. |
| 13 | Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified and directed by Engineer-in-Charge. |
| 14 | Material and labour for tiba sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified. |
| 15 | S&F sub class B bricks having minimum compressive strength 75 Kg/ Sqcm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.Note:- Punned thickness shall be measured for payment. |
| 16 | M& L for Earthing of machinery/ equipment installed at power house /substation, using Galvanised Iron earthplate eletcrode of size 600 x 600 x6 mm thickas buried directlyin ground (earth pit not less than 3mtrbelow normal ground level connected to GI earth strip 32 mm x 6 mm thick by means ofbolts nuts,check nuts and washersat complete etc all as shownin electrical plate No-3 of SSR part-1 connected to earthing test point all as specified or indicated including PCC pit in PCC(1:3:6)type CI MS frame 50mm thick pre cast RCC (1:1½ :3) nominal mix cover slab reinforced with 8mm dia mild steel barincluding necessaryexcavation earth work in soft/loose soil and disposal of spoil to a distance n.exc 50mtr and funnel with watering pipe wire mesh GI protectionpipe 40 mm bore including testingearthing complete all as specified and directed by Engineer-in-Charge. |
| 17 | M&L for providing trenchless bore using using ultra sounding technique and necessary machine bore of pipe size 200 mm dia suitable for 0.4 mpa working pressure(cost of pipe is included in the quoted rates) mechanical numatic drilling equipment for passing water pipe line upto 200 mm dia under the existing bituminous/WBM road/PCC hard standings, depth range not less than 1.0 mtr and upto 1.5mtr and making good to the distrubed surfaces of road to match with its existing specifications all as specified and as directed by engr-in-charge at site. Note : 1. Quoted rates is deemed to be inclusive of transportation charges of Drilling machine, connected accessories and passing pipe through bore complete with required accessories. |
| 18 | Supply and installation,commissioning and testing APFC panel of 100 KVAR for 3 Phase ,415 v and 50 HZ with MPP-H Capacitor , 5 step (50+25+15+5+5) with capacitor rating contactor switched through MCBs/MCCBs suitable rating auto/manual switching arrangement with complete all as specified and directed.Note:All internal connection of capacitor bank shall be by using capper cable/strip.iii) Panel shall be fixed in PCC foundation as per manufacturer recommendation and minimum height clearance of 45 cm from ground level.(iv) the cost of PCC foundation shalldeemed to be included in unit quoted rate.(v) Contractor shall submit the GA drawings ofPanel for approval of GE before placing the order (vi)Panel accessories items shall be included the above quotated rate. |
| 19 | M&L for disconnecting from the existing location cutting off worn out aluminium cable end and Supply, laying and testing in replacement cable XLPEInsulated ,screened, PVC bedded,galvanized steel strip or wire armoured,electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 sq mm 3.5 core including taking out existing cable of any size. |
