PROVN OF DG SET AT KAVANI PUMP AT AF STN NAL UNDER GE AF NAL

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 95 Sqmm 3.5 core complete all as specified and as directed.

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, all mounted in acoustic enclosure and Control panel as per manufacturers design and specification confirming to norms of CPCB IV+ and latest CPCB amendments complete with the following:- i) DG Fuel tank of minimum capacity for 12 Hr runing in with fuel gauge etc complete all as , ii) Battery & Leads iii) Silencer as per OEM design & recommendations complete as per latest CPCB norms. iv) AVM Pads v) First Fill of Lube vi) Acoustic Enclosure vii)Standard Control Panel (AMF) with connected switchgear/relays/meters complete to 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 work etc 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.

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 frame complete accessories etc .The prime mover provided should be as per IS specifications. (b) Air intake system should 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.

(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 suitable maintenance 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.

(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 at base 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/bolting complete including painting with 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 including provn 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 :-

(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 unit sourced and AMF panel,to be installed outside shall be from OEM only as per Make given in Sch 'A'

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge.

Returning filling in Including spreading, levelling. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

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.

Material and labour for tiba sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified.

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.

M& L for Earthing of machinery/ equipment installed at power house /substation, using Galvanised Iron earth plate eletcrode of size 600 x 600 x6 mm thick as buried directly in ground (earth pit not less than 3mtr below normal ground level connected to GI earth strip 32 mm x 6 mm thick by means of bolts nuts,check nuts and washers at complete etc all as shown in 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 bar including necessary excavation earth work in soft/loose soil and disposal of spoil to a distance n.exc 50mtr and funnel with watering pipe wire mesh GI protection pipe 40 mm bore including testing earthing complete all as specified and directed by Engineer-in-Charge.

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