PROVN OF 500 KVA TRANSFORMER AND 50 HP WATER PUMP AT ARMY CAMP JAMASHEDPUR UNDER GE RANCHI

Amount

Supply, installation, testing and commissioning Outdoor type, step down transformer of 500 KVA capacity,6.6 KV/433 Volts (at no load) AC 3 phase, 50 HZ, double copper wound type core, oil immersed, naturally cooled, oil natural Air Natural(ONAN) with external cooling tubes delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group Dyn-11 with neutral brought out on secondary side (LV) and having tappings at (-) 10% & +5% on HV side to changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 45 degree celsius in oil and 55 degree celsius in HV/LV winding when measured by resistance method after cotinuous full load run on an ambient temp of 40 degree celsius in oil as prevalling at site. The transformer shall be complete with the fittings and accessories comprising of items as mentioned here as under: .

LT side (secondary side) consisting four Nos porcelain bushing with copper/brass studs, complete with nut & washers complete with copper bus connectors of suitable capacity/fittings material in cable box complete.

HT side (primary side) consisting three Nos porcelain bushing with copper/brass studs, complete with nut & washers complete with cable gland HT bushing suitable for outdoor mounting of transformer complete.

Oil conservator with filter type drain valve and oil level gauge.strength at 2.5 mm air gap between testing electrodes.

Dehydrating breather with first fill of dehydrating agent (silica gel)

Explosive vent & thermometer pocket on tank cover oil level gauge oil drain filter valve lifting lugs oil filling hole with cap/plug with connection plate complete air release valve plug and four Nos plain solid cast steel detachable rollers.

One No 100 mm dia , dial type thermometer vapor pressure type having range 0-120 degree celcius with metal guard having maximum perimeter temperature reading indicator with resetting device.

Two earthing terminals on transformer body to facitilate for fixing of 50 x 6 mm galvanised iron earth strip for earthing of neutral and body.

Rating and diagram plate and terminal marking plate.

Rates includes extra bushing for neutral on LT side for providing independent set of earthing for neutral 2 Nos.

Monogram plate.

Thermometer pocket.

Air release plug.

Inspection cover

Lifting lugs for complete transformer

Top cover lifting lugs

Jacking lugs

Top filter valve

Instruction plate

Drain cum bottom filter valves

Earthing terminal and stud

First filling of new and unused transformer oil, IS-335 marked (Make: HP / Savita/Apar/Power Link filtered and tested upto 60 KV dielectric strength of 2.5 mm air gap between testing electrodes.

Note: Rate include following (i) cost of installation in existing plinth, connection with existing incomming and out going cable connections , control cable to circuit breakers , setting of relays as per New transformer rating and earthing connections to existing earth test points. Cost of setting of all protective relays in existing substation as per New transformer rating is deemed to be included in quoted rate.

(ii) Contractor shall submit the Manufacture Test certificate, PV (Factory Test sheets) before commencement of work and ensure the installation is as per OEM specifications and submit the Test results after instllation complete all specified and directed by Engineer in Charge and scope of work include factory Inspection by the rep of GE as nominated by him and Testing of SEI, from HQ Central command and cost thereof shall deemed to be included in the quoted rates. (iii) Any other items which are not mentioned above but are essential for smooth functioning of transformer shall also deemed to be included in the quoted rates. Make: ABB / Siemens/ ITE Gurgaon / Schneider / Crompton Greaves / GE / Indotech.

Earthing complete with galvanized iron earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge earth plate not less than 1.5m below GL using galvanised iron strip 32×6mm as earthing lead to earth plate electrode by means of nuts, bolts and washers made of galvanized iron and earth strip of size 32x6mm upto the plant equipment duly protected by 40mm bore light grade galvanised iron pipe and connected for body earthing of feeder pillar box / transformer / electrical machinery all as specified with & including PCC (1:3:6) type C1 pit and precast RCC (1:2:4) type B1, cover slab of size 300x300x50mm, with handle GI funnel, wire mesh, 20mm dia GI pipe medium grade for watering, charcoal and salt in alternate layer including necessary earth work on any type of soil and removal etc, complete all as specified and shown in electrical plate No 3 of SSR Part I and as directed. Note:- Earth strip up to 7.5 meter connected to earth point shall be deemed to be included in unit rate.

Supply, installing, testing and commissioning centrifugal pump horizontal spindle, multistage, impellers ,neck ring , bushes and bearings made of bronze , shaft and sleeves SS 410 grade ,nominal speed 1500 RPM to lift clear water, discharging 140 cum/Hr at 50 mts head, pump type DB size 150 mm suction x 125 mm delivery conforming to BIS 5120, coupled directly with 37 kw/ 50 HP , 1500 rpm TEFC square cage IE2 standard induction motor. Both pump and motor, mounted on and including a common steel base frame, shall be assembled by the manufacturer of pump itself and not by any authorized dealer / workshop / rep/ sister concern etc including connecting to existing starter including suitable rating single core copper cable from starter to pump (not less than 10 Mtrs) and Foot Valve conforming to IS 4038 of size suitable for suction including Base frame mounted on 0.30 mtr thick PCC foundation (1:2:4) using 20 mm graded stone aggregated including form work etc complete all as recommended by manufacturer including dismentling of old vintage pump and motor and existing foundation and deposited to MES store yard complete all as specified and directed. NOTE: PCC and foundation work shall deemed to be included in the rate quoted. Any other items which are not mentioned above but are essential for smooth functioning shall also deemed to be included in the quoted rates

Supply, install, testing & commissioning LT MCCB panel board of suitable size factory made cubical weather, dust and vermin proof, CPRI approved ,CRCA sheet steel , 3.15 mm thick suitable for outdoor powder coated complete, MCCB panel board should be manufactured and supplied by ISO 9001 certified OEM of MCCB, The bus bar system should be duly type tested at NABL lab for short time with stand current of 1 sec. It should be suitable for wall or floor mounted with double door option. Panel board enclosure should be robust construction corrosion resistance powder coated with seven tanl process with locking arrangement fixed on suitable size foundation 60cm above the GL by providing angle iron of size 50x50x6mm welded on all four cornersembedded in PCC (1:2:4) type B-1 using 20mm graded stone aggregates upto 30cm , necessary earth work excavation complete all as directed and specified:-

(i) High conductivity copper bus bar 1000 Amps capacity 4 wire system - 01 Set (ii). MCCB FP 800 A, 50 KA - 01 No (as incoming), (iii). MCCB FP 400 A, 50 KA - 02 Nos (as outgoing), (iv). MCCB FP 250 A, 36 KA - 02 Nos (as outgoing), (v). MCCB FP 200 A, 36 KA - 01 No (as outgoing), (vi) Digital type panel mounted volt meter , 0-500 Volt -01 No (vii) Digital type panel mounted Ammeter , 0- 500 Amp with CTs -01 No (viii) 'RYB' indicator LED lamps- 01 Set (Set of 03 Nos RYB) (ix) Digital type panel mounted frequeny meter , 50 Hz -01 No

Note :- (i) All internal connection of MCCBs from bus bar shall be made by using copper bus bar of rated capacity. (ii) Any other items which are not mentioned above but are essential for smooth functioning of panel shall also deemed to be included in the quoted rates.