SPECIAL REPAIR / REPLACEMENT OF DG SET AT TECH AREA UNDER GE (AF) JAMNAGAR No 1

Amount

Supply, installation, testing and commissioning of factory assembled diesel Engine driven generating set minimum capacity of 58.5 KVA duly certified by agencies / lab designated by MoEF/CPCB-IV with latest norms for 3 phase, 4 wire, 415 V, 1500 RPM, 50 Hz power supply with power factor 0.8 coupled directly to alternator mounted on a common base plate complete with integrated acoustic enclosures having salient features modular bolted construction with fabrication on imported CNC turrert punch machines, Nine tank treatment process with pure polyester based powder coating to ensure long life in all weather conditions and for out door application/installation. Integrated design thereby facilating/easy handling installation and shifting of the eqpt at site. The design of integrated acoustic enclosure should be of type approved by National physical laboratory as per central pollution control board (CPCB-IV) latest norms/regulation with fuel tank, battery and standard accessories including cost of PCC (1:2;4) type B-1 foundation for acoustic enclosures foundation as recommended by manufacturer, vibration pad and sand cushioning around PCC foundation etc, all and tools and spares as provided by manufacturer complete incl all as specified and as directed with the following specifications :- Note: DG set capacity shall be minimum 58.5 KVA or next higher capacity as manufactured by OEM without any extra cost.

(A) ENGINE : Water cooled with radiator diesel Engine confirming to IS : 10001/10002 of 1500 RPM capacity to match the 58.5 KVA alternator under NTO conditions with provision of 10% overload for 1 hour in every 12 hours running conforming to IS 6514/ IS 10001 / 10002 the Engine shall consist of the following:- (i) Fly wheel (ii) Flexible coupling with guard bolts and nuts etc. (iii) Air cleaner heavy duty dry type (iv) Radiator with guard and water pump engine mounted. (v) Dynamo of suitable capcity. (vi) Air cleaner heavy duty dry. (vii) Fuel injuction pump. (viii) Radiator fan (Blower type) with guard. (ix) Electronic A1 class governer. (x) Fuel filter Mounted.

(xi) Lubricating oil filter mounted. (xii) 12/24 Volt self- regulating alternator belt driven by engine. (xiii) Exhaust silencer heavy duty residential type and retrofitting of emission control deivce as per NGT norms. (xiv) Corrosion resistor / scale inhibitor. (xv) Starter 12/24 V DC. (xvi) Lubricating oil cooler. (xvii) Lubricating oil pump (Gear type). (xviii) Turbo Charger. (xix) Exhaust piping shall be insulated with asbastos rope duly cladded with aluminium sheet. (xx) Instrument panel complete with the following:- (a) Auto /mannual starting switch with key. (b) Lubricating oil tempreture gauge. (c) Lubricating oil pressure gauge. (d) Water tempreture gauge. (e) Battery charging ammeter. (f) Battery charging indicating lamp. (g) Hour meter with RPM indicator. (h) Safety control against high temperature of water. (j) Safety control against low lubricating oil pressure. (k) Over speed stop with double driven adoptor.

(B) BRUSH LESS ALTERNATOR (i) Alternator coupled to Engine through a flexible coupling to an indigenous alternator mounted on strong steel fabricated base frame suitable for mounting on a permanent foundation brushless alternator shall be conforming to BS-2613 or relevant IS-13364. (ii) Type :- Self excited self-regulated with automatic voltage regulator. (iii) Rating :- 58.5 KVA at 0.8 PF lagging 4 pole hozontal at NTP condition 3 (iv) Speed :- 1500 RPM (v) System :- 415 Volts +/- 2.5% AC 3 Phase 4 wire 50 Hz. (vi) Connection :- 4 wire star connected. (vii) Enclosure :- Screen protected dip proof. (viii) Ventilation :- Self ventilated (ix) Insulation :- Insulation Class H

(D) ONE SET OF ACCESSORIES COMPRISING OF :- (a) FUEL TANK :- One No of sheet steel 14 SWG and capacity to hold diesel sufficient for running 12 Hrs running at full load including necessary piping with the following: (i) Level indicator on fuel tank (ii) Drain plug (iii) MS class 'C' piping for inlet from pump to tank of engine (iv) Fuel strainer (v) Air vent. (b) BATTERY As recommended by manufacturers

(E) ACOUSTIC ENCLOSURE - Acoustic Enclosure suitable for 58.8 KVA DG set as under: (i) Fabricated out of CRCA sheet of suitable thickness not less than 1.6mm. Polyster based powder, coated internaly and externaly with lockable type door handle. All nuts and handles shall be zinc coated. (ii) The door are gasketed with EPDM gaskets. The construction should be such that it prevent entry of rain water splashing in to enclosure and allows free and quick flow of rain water to the ground in the event of heavy rain. (iii) Sound proofing with high quality rock wool/mineral wool confirming to IS 8183 of density at 96 Kg/CUM covered with fiber glass cloth and perforated powder coats sheet specially design alternator (Sound controller) at air entry and exit of the container noise level shall be not exceed 75 Db at 1 meter distance as per CPCB norms. (iv) Adequate ventilation to meet air requirement not for combustion and heat removal with prove of a blower. (v) Emergency stop push button outside the container. (vI) Provision of light inside the Canopy providing of LED fitting 1x20 watt with wiring and control switch. (vii) The canopy should be provided with light enclosure temprature safty device. (F) BASE PLATE- Sturdy, fabricated welded contruction out of MS channels ISMC of suitable size suitable for fixing of DG set, required anti-vibration mounting pads shall be provided all specified by the manufacturer. Note: 1. Certifact for compliance of pollution under control as per CPCB-IV norms to be provided by the manufacturer is to be submited. 2. Test cerfitificate by the manufacturer is to be submited. 3. AMF Panel to be certified CPRI, contractor submit to same to the department. 4. DG set load testing to be carried by the competent authority including fuel, T & P, test load and arrangement for the same deemed to be included in above quoted rates. 5. DG set shall be assembeled with sound proof canopy)

Supply and fix ON LOAD change over switch 415V with factory made LT feeder pillar box (KIOSK), outdoor type, platform mounted, suitable for 415 Volts 3Phase and neutral , made of 1.6 mm thick CRCA MS sheet and MS angle iron frame work (made out of 40 mm x 40 mm x 6 mm thick), powder coated finish on outside surface and powder coated finish inside surface (of approved shade), front opening type with aprons for cable entry, with double door shutter & locking arrangement { including provn of 65 mmGodrej (freedom) lock with 2 Keys},sheet metal enclosures 4 pole of capacity 250Amps, etc complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning of Low Tension (LT) XLPE insulated and armoured, heavy duty, electric power cable, cross sectional area 95 Sqmm 3.5 core aluminum conductor 1100 volts grade under ground cable including both side connection with cable lugs etc, laid in trenches, along poles or passing through pipes or laid under floor or through walls etc, complete all as specified and as directed. (Note :-(i) Sand cushioning, cable protection, GI protection pipe, clamps, jointing kits and excavation & earth work shall be measured & paid for separately. (ii) Road cutting/floor cutting /cutting holes etc in walls required for laying/fixing of cable etc shall be made good as per existing. Nothing extra shall be admissible on this account. Quoted rates shall be inclusive of the above provisions.)

Supply, laying, jointing, testing and commissioning of Low Tension (LT) XLPE insulated and armoured, heavy duty, electric power cable, cross sectional area 50 Sqmm 3.5 core aluminum conductor 1100 volts grade under ground cable including both side connection with cable lugs etc, laid in trenches, along poles or passing through pipes or laid under floor or through walls etc, complete all as specified and as directed. (Note :-(i) Sand cushioning, cable protection, GI protection pipe, clamps, jointing kits and excavation & earth work shall be measured & paid for separately. (ii) Road cutting/floor cutting /cutting holes etc in walls required for laying/fixing of cable etc shall be made good as per existing. Nothing extra shall be admissible on this account. Quoted rates shall be inclusive of the above provisions.)

Excavation in trenches in soft/loose soil not exceeding 1.5 metre wide and not exceeding 1.5 metre deep for laying/taking out of cables and foundation of poles etc and getting out, complete all as specified and as directed.

Returning, filling in trenches (soil), including spreading, leveling and well ramming in layers not exceeding 25 cm thick, complete all as specified and as directed.

Removal of surplus excavated soil to a distance not exceeding 50 metre and depositing where as directed at a level not exceeding 1.5metre above the starting point, complete all as specified and as directed.

Material and labour, sand cushioning with a layer of dry river sand, 80mm thick before laying of cable and 150mm thick (punned down to 100mm thick) after laying of cables, in trenches/ducts, complete all as specified and as directed. Note : Punned down thickness (overall 18cm), shall be considered for measurement and payment.

Supplying and laying un-reinforced precast concrete cable cover, class LV, Type 1, flat, size 250 mm x 150mm x 40mm complete all as specified and as directed.

Boring horizontally under roads/pavement/ hardstanding without disturbing the top surface by trench less technology using ultra sound technique and necessary machine for laying under ground pipe up 100 mm dia complete all as specified and as directed. (Note : GI pipe shall be shall be measured and paid separately)

Supply and laying / fixing, GI pipe light grade 80mm dia bore for cable protection fixed to pole/wall or laid under floor/roadv /pavement, including flat iron clamp, nut, bolt, wahser etc of required size, complete all as specified and as directed. (Note: Boring of holes under road etc, shall be measured and paid separately.)

M & L earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5m below ground level, connecting to the Galvanised iron earth strip 32 x 6mm dia, by means of nuts, bolts, check nuts and washer etc of galvanised iron and earth lead protected by provision of GI pipe medium grade 40mm bore from earth elelctrode to test point incl provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agagregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed. Note :- The cost of 7.5m long galvanised iron earth strip of 32 x 6mm size and protection pipe of 40mm bore GI light grade is deemed to be included in quoted unit rate.

Supply and laying GI strip 32X6mm with saddles and fixing screws etc including suitable porcelene insulator complete all as specified and as directed.

Taking out old DG set of cap upto 75KVA from existing location in tech area of station and shifted to new location/MES store yard within tech area incl all transportation, labour, machinary work and unloading work, to shift the DG set from existing location to new location as directed by Engr-in-charge.

Taking out old unserviceable DG set of cap upto 75KVA from existing location in tech area of station and deposited to MES store yard incl all transportation hydra, truck, labour ,machinary work and unloading work, to shift the DG set from existing location to MES store yard as directed by Engr-in-charge.

rajengineers (BID ID -3139870)

Pooja Enterprise (BID ID -3140307)

M/s SK Traders (BID ID -3131729)

MONA GENERATOR SEVICES PVT. LTD. (BID ID -3132442)