SPECIAL REPAIR TO REPLACEMENT OF 400 KVA DG SET AT HQ 1 CORPS UNDER GE (EAST) MATHURA

Amount

Supply, installation, testing & commisioning of Diesel Engine driven generating Set comprising of 4 stroke in-line turbocharged water cooled engine with electric start and designed to run at 1500 rpm continuous on 100% load & also capable to take 10% overload for 1 hours out of 12 hours of operaton complies with current CPCB IV emission norms rated voltage 415 Volts of capacity 400 KVA, 3 phase including DEF tank and exhaust gas treatment system to reduce in NOx & HC and reduction in PM both mounted and aligned on MS base frame Diesel engine and alternator shall be close coupled and mounted on a base plate of robust construction.

ALTERNATOR : (a) The Alternator shall be self excited and self regulated of 400 KVA rating in three phase at 415 Volt,50 Hz,1500 RPM and 0.8 power factor and effieciency not less than 93% on 100% load and shall conform to IS:13364 (Part II):1992 (reaffirmed 2003) The alternators shall be of brush less type with VG-1 Grade or better grade of voltage regulation. (b) The alternators shall be screen-protected drip proof with IP-23 degree of protection as per IS:4722/BS 5000.The class of insulation of the Alternator would be 'H'.

DIESEL ENGINE : The turbocharged Diesel Engine shall be water cooled not less than 08 Cylinder, electric start developing a net output of not less than 490 BHP or nearest higher suitable matched with alternator to give a net rated output of 360 KW/ 400 KVA at 1500 RPM with electronic type governor to deliver continuous KVA output at 0.8 Power Factor Lag at NTP conditions, 1st fill of lube oil. The Diesel engine should be capable of providing 10% overload for one hour in every 12 hours continuous running at full load. The turbocharged Diesel engine shall conform to IS:13018/1990(reaffirmed 2005) and IS: 10,000 series. The Turbocharged Diesel engine shall be complete with the following accessories:

(a) Fuel tank with capacity for 12 hours continuous running at full load. (b) Engine instrument panel consisting of starting switch with key, lube oil temperature and pressure gauges, RPM indicator and hour meter with additional feature of auto start/remote start and auto stop. (c) Safety control to shut down the engine in the event of overspeed, low lube oil pressure and high engine water temperature. (d) Exhaust silencer residential type. (e) 24 V starting system complete charging alternator or dynamo and cutout. (f) 02 No. 24 Volt of 180 AH batteries of approved makes. (g) Anti-Vibration mountings for complete DG set in case of flexible coupling and for turbocharged engine in case of direct coupling. (h) The fuel level should be indicated with the help of fuel gauge meter. (j) There should be provision for filling the fuel from outside (as in case of automobiles) with locking arrangement.

AMF CONTROL PANEL : (i) Automatic mains failure (AMF) control panel, where applicable, shall be able to start up the DG set and transfer the load on to the DG set on mains failure without requiring any human intervention. Similarly on restoration of mains supply,it shall be able to transfer the load to mains supply and switch off the DG set automatically. (ii) The AMF panel shall be an enclosure with minimum IP-53 degree of protection confirming to IS/IEC 60947(Pt-1)/2007, fabricated from 1.6 mm thick steel sheet duly pre-treated and aesthetically finished. (iv) The AMF Control Panel shall have the following instruments : (a) Microprocessor based relay of appropriate size with composite meter for digital display of (i) Generator voltage/AC Mains voltage. (ii) Current. (iii)Frequency. (iv) Power Factor.

Supplier shall furnish complete & satisfactory TTC for engines, alternators complete with enclosure to be used by them for each rating of DG sets clearly indicating make, model and ratings of the DG sets tested at the time of despatch. ACOUSTIC ENCLOSURE : DG Sets shall be provided with integrated accoustic enclosure of minimum IP- 42 protection which shall conform to latest norms of CPCB-IV. Supplier shall furnish following documents issued by company pre-despatch inspection: a) Type approval certificate (TAC) for emission norms for each model/family of engine. b) TAC from for noise level norms each model of DG set. c) COP for each model of DG set and engine used in DG set. d) any other cement/ civil work to make plinth for mounting of DG set be in quoted rate.

Supply laying & testing U/G cable XLPE insulated, screened PVC bedded galvanised steel strip armoured elect power cable heavy duty with stranded aluminium conductor 1100 volts grade system of cross section area 630 Sqmm single core laid in trenches / duct / fixing on walls / poles or passing through pipe including connecting to installation / equipment / panel with suitable lugs, glands, nuts-bolt & washer and testing complete all as specified and directed.

Supply laying & testing U/G cable XLPE insulated, screened PVC bedded galvanised steel strip armoured elect power cable heavy duty with stranded aluminium conductor 1100 volts grade system of cross section area 70 Sqmm x 3.5 core laid in trenches / duct / fixing on walls / poles or passing through pipe including connecting to installation / equipment / panel with suitable lugs, glands, nuts-bolt & washer and testing complete all as specified and directed.

Supply laying & testing U/G cable XLPE insulated, screened PVC bedded galvanised steel strip armoured elect power cable heavy duty with stranded aluminium conductor system of cross section area 240 Sqmm x 3.5 core laid in trenches / duct / fixing on walls / poles or passing through pipe including connecting to installation / equipment / panel with suitable lugs, glands, nuts-bolt & washer and testing complete all as specified and directed.

Excavation in trenches not exceeding 1.5 mtr width and not exc 1.5 mtr in depth and getting out in hard /dense soil for laying / repairing of LT cable / GI pipe complete all as specified and directed.

Supply, spread river sand of approval in cable trenches providing for cable cushioning as directed. NOTE :- Punned thickness of sand only will be measured and paid complete all as specified and directed.

Removal of surplus soil to a distance not exc 50 mtrs away and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed.

Returning , filling incl spreading levelling watering and well ramming in layers not exc 25 cm thick complete all as specified and directed.

Supply and lay PCC cable covers for LT cable protection, Class LV, Type 1 of size 250x150x40mm complete all as specified and directed.

Supply and fixing medium grade GI tubing of 40 mm dia for XLPE cable protection of complete all as specified and as directed

Supply and fixing medium grade GI tubing of 80 mm dia for XLPE cable protection and lay in road crosing complete all as specified and as directed

Supply, installation, testing and commissioning of outdoor double door type cubicle panel board suitable for 3 phase 4 wire 415 V, 6 Way, 50Hz, and CPRI approved, factory fabricated, powder coating having thickness not less than 100 microns provided with suitable gasket to make it dust/ vermin proof including danger notice plate , PCC Foundation , I/C and O/G cable connections & general construction confirming to IS: 8623 / 93 comprising of the following: OUTER SHELL: The outer shall be made out of 3.15mm thick CRCA sheet & MS angle section 50x50x6 mm frame, factory fabricated with front & back open able double door system lockable/ open able by keys from both sides, louvers & air vent gasket for natural flow of air. 'U' type gasket shall be used to make the outer shell completely vermin proof. The bottom of the outer shell contains a detachable plate having provision for entry of armoured cable of adequate size with glands. Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP-54. INNER SHELL: Inner shell shall be made out of 2.0 mm thick CRCA sheet duly compartmentalized for each control gear, the inner shell completely vermin proof & to accommodate incomer/ outgoing MCCBS and TPN Aluminium bus bar of rating not less than the 1.5 times the rated capacity of the incomer MCCB. The TPN bus bar shall be insulated with colour coded heat shrinkable sleeve. All control wires shall be with1.5 sqmm multi strand copper conductors and shall be properly bunched, tied, ferruled for proper identification and crimped with adequate size of lugs. A detachable predrilled gland plate of thickness 3.15mm powder coated should be used at the bottom. The inner shell shall be of powder coated. The degree of protection for inner shell shall be IP-42 & carry the following: Location For : Corps HQ

(a) MCCB 630 Amp,4P, 50KA adjustable thermal and adjustable magnetic (I/C) - 01 Nos (b) MCCB 400A, 36 KA, 3 Pole fixed thermal and fixed magnetic (O/G)- 01 Nos (c) MCCB, 250A, 36KA, 3 Pole adjustable type (O/G)- 02 Nos (d) MCCB 100A, 36 KA, 3 Pole fixed thermal and fixed magnetic (O/G)- 02 Nos (e) Digital meter with voltmeter, ammeter, slector switch, CTs, Control Fuse and Indicating Lights (f) Cable Alley double door type - 01 Set Panel board Make :- L & T, Power ware, Hensel, BCH Elect LTD, Power system & Control, Neptune, Salabh India Ltd, Universal Switch Gear Control. MCCB Make :- Havells, L&T, ABB, Simens, Legrand, C&S.

Supply and fix Insulating Rubber mat of 1 meter x 2 meter x 10 mm complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick burried directly in ground to a depth not less than 2.25 m below ground level with top edge of earth plate not less than 1.5 m below normal ground level connected to GI earth wire 4 mm dia drawn through and including GI protection pipe of light grade 15 mm bore by means of bolts, nuts, checknuts and washers all as shown in Electrical Plate No.3 of SSR Part-I and connected to main switch board including excavation and earth work, PCC chamber in 1:3:6, RCC Cover in 1:2:4 type B-1 reinforced with 8 mm dia MS bars at 10 cm c/c, 20 mm dia medium grade GI pipe with funnel and wire mesh complete and watering arrangement complete all as specified and directed. Note: GI pipe 15mm/20mm dia, GI wire 4mm dia upto 7.5m deemed to be included in quoted rate.

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