PROVN OF ISOLATION TRANSFORMER AND UPS WITH BATTERY BANK 20 KVA AT MEC BLDG NO PB-77 OF HSSC ALONG WITH ASSOCIATED WIRING AND CERTAIN REVENUE WORKS AT AF STN BIDAR

Amount

Supply, fixing, testing and Commissioning of UPS unit of capacity 20 KVA , 3 Phase, 300 to 440 V input and 415 V ± 1% along with 12 V, 150 AH dry cell battery bank, interconnection with PVC insulated, PVC sheathed 1100 Volts grade single core multi stranded of suitable size and fixing materials such as copper lugs, brass braket with nuts & bolts and provision of stand for keeping battary bank complete all as specified and directed.

Supply, fixing, testing and Commissioning of Isolation Transformer of Capacity 75 KVA 3 Phase Copper wound Input Voltage 415V, Output Voltage 415V System having voltage regulation < 3.5%, power factor 0.8 Lead to 0.8 Lag, Die Electric Strength of 3 KV for 60 Sec, Insulation resisance >1000MΩ, Coupling Capacitance 0.01 PF, Leakage current < 20 Micro Amps, CMNA 100 Db Standard IS 2026 Part I & II, Operating Temp 0-45°C Ambient, Air Cooling Type Class H insulation and closed type complete all as specified and directed.

Sub main wiring complete with 4 runs of 10 sqmm single core PVC insulated FR cable 1100 volts grade, multistranded copper conductor cable with two run of 10 sqmm single core conductor for earth continuity in and including PVC rigid conduit with accessories of suitable size all as specified and directed. Note: Four runs of 10sqmm cable and two runs of 10sqmm earth continuity conductor and conduit shall be measured as one unit length.

Sub main wiring complete with two runs of 4 sqmm single core PVC insulated FRLS cable 1100 volts grade, multistranded copper conductor cable with one run of 4 sqmm single core conductor for earth continuity in and including PVC rigid conduit with accessories of suitable size all as specified and directed. Note: Two runs of 4sqmm cable and one run of 4sqmm earth continuity conductor and conduit shall be measured as one unit length.

MCCB 400 A, 4 P , 36 KA, 415 V along with enclosure and fixing the same to the wall complete all as specified and directed.

Triple pole and neutral enclosure with a three pin, earth plug and socket complete with one triple pole MCB of rating 63 A, 440 Volts all as specified and directed.

Chemical Earthing Complete with copper earth plate electrode 90cm x 60cm x 5mm thick buried directly in ground earth pit not less than 5.0m deep below normal ground level, size of pit 1.6m X1.6m X 5.0m earth plate connected to copper strip of size 50 x 6 mm by brazing only, earth strip protected with light grade GI Pipe 80 mm dia bore from copper earth plate electrode and upto and including 25 mm bore water pipe medium grade GI Tubing including GI Funnel , wire mesh, alternate five layers of charcoal (250 KG) & salt crystal (200 KG) and top two inch layers with BFC Compound (200 KG) including excavation in any strata, refilling with black cotton soil above the BFC Compound and removal of the excavated soil and depositing at the place where directed, PCC Pit in PCC (1:3:6) type C1 using 20 mm graded stone aggregate, RCC cover 40 mm thick in RCC (1:2:4) type B1 using 20 mm graded stone aggregate reinforced with 8mm dia TMT bars @ 75 mm c/c both ways including MS angle iron frame of 40x40x 3mm etc, watering the earth pit to acheive earth resistance below 01 OHM incl testing all as specified and directed.

Copper strip 32 x 6 mm fixed on walls/ drawn in GI tubing / laid in trench as grid conductor all as directed and specified.

GI tube, 80 mm dia, light grade with all fittings such as bends etc complete as mechanical protection to Copper strip (for beyond 7.5m Length from earthing) in road/ on wall/ in trench all as directed and specified.

Procelain insulators suitable for copper strip 50x6mm/ 32x6mm/ 20x3mm on roof /on wall etc with necessary fixing arrangements all as directed and specified.

GI pipe medium grade 15 mm dia with all fittings such as bends, sockets, reducers union etc, laid in trenches / fixed on walls /on roof complete .

Gate valve 15 mm dia, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe.

FLP - WP Fluorescent fixture for power saving lamps with wire guard flame proof tube light fitting 1 x 36W all as directed.

Supply, install and testing of electrical, single phase, 240 Volts, 50Hz, portable horizontal single mounting siren having audiable range 3.0 Km, comprising of single phase, 0.25 HP motor 6000 RPM complete in all respect including making electrical connection complete all as specified and directed.

MCB DB SPN 4 way, metallic double door IP 54 protection, 240 V, AC 50Hz for MCB double pole as incomer and double pole/single pole MCBs as out going with tinned copper bus bar of rated 200 Amps, neutral link earth link complete all as specified and directed.

MCB, SPN, 40 Amp, 240 Volt, 50HZ, 10 KA, `C' series including making electrical connection with the help of legs/thimbles all as specified.

MCB, SP, 6-32Amp, 240 Volt, 50HZ, 10 KA, `C' series including making electrical connection with the help of legs/ thimbles all as specified.

Metal plug and Nato socket with MCB three Phase 5 Pin 63Amps.

Supply, Fixing, Test and Commissioning of Indoor type Isolation Transformer of Capacity 10 KVA Three Phase Copper wound Input Voltage 415V, Output Voltage 415V System, Model - Core Type- Oil cooled, Input frequency - 50 Hz, Operating Humidity - 0 -95 % non condensing, Class of Insulation - Class 'H', Thermal withstanding - 65 deg + Ambient, Maximum temp - 120 degree, Linear harmonic attenuation - 100%, Non Linear harmonic attenuation - More than 90%, Vector group - DY11, Impedance - 4 to 5%, HV capacity - 2.5 KV form Primary to Secondry, Primary to earth and Secondary to earth, Grade of lamination - M4 0.27 grade complete all as specified and directed.

Supply, install, testing and commissioning of automatic servo controlled static voltage stabilizer for automatic operation for unbalanced AC load, 3 phase, 4 wire, naturally Oil cooled, duly ventilated, provided with exhaust fans to provide effective cooling to avoid high rise of winding temperature, housed in 2 mm thick CRCA sheet duly powder coated with 7 tank process, having moving wheels - 4 Nos., lifting hook, input & output cable connection box, MCCB of suitable capacity at input and output, indoor type of capacity 10 KVA and designed for input variation between 300 V to 480 V line-to-line, stablized at 415 V with accuracy of ±1% and response time 10 V/sec, effect of power factor NIL, ambient temperature 0 to 50 degrees C max, efficiency better than 98%, rate of correction 8 Volts/sec, Nil wave form distorsion, ± 1% regulation on voltage 400/415 Volts, under voltage trip at 300 Volts, over voltage trip at 480 Volts including audio alarm at extreme input voltage, by-pass feature having the following protection and indications all as specified and directed:- (a) Protections: Over voltage, under voltage, over load, short circuit, single phasing, unbalance voltage, high temperature. The stabilizer output should trip at all types of protection and give indication through LED type indicators. (b) Indications: Load on each phase through separate meter, Voltage line to line and line to neutral, phase wise, main ON, healthy circuit, trip circuit, winding temperature for each phase etc. Note:- Contracotor shall take approval of drawings from the Engineer in charge before placing the procurement order for voltage stabilizer.

Supply, fix, test and commissioning of industrial plug and socket 5 pin 63 Amps with one number MCB, TP+N+E-FP 63 Amps with adjustable thermal and fixed magnatic setting for 3 phase, 415V AC, 50 Hz supply all as specified and as directed.

Earthing complete with Copper earth plate electrode 600 mm x 600 mm x 3 mm thick buried directly in ground earth pit not less than 2.25m deep below ground level with top edge of the plate not less than 1.5m below normal ground level, alternate layers of charcoal & common salt crystal, in and including back filling compound in layers and filling up with black cotton soil upto the top edge/ ground level and connected to copper earth strip 20 x 3 mm by means of bolts, nuts, check nuts & washers of copper and connecting to earth dolly, equipment all as shown in electrical plate No. 3 of SSR Part I of 2009 & testing complete including 40mm dia light grade GI pipe upto 7.5m long, excavation in any type of strata, PCC (1:3:6) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete (1:2:4) type B 1, reinforced with welded steel wire fabric (XPM) weight not less than 4 Kg / Sqm with frame, including 20 mm bore water pipe medium grade GI tubing, GI funnel, wire mesh etc. all as specified and as directed. NOTE:- The copper earth strip 20x3mm & 40mm dia bore light grade GI pipe upto 7.5m length shall be deemed to be included in the rate quoted by the contractor.

PRAGATI ELECTROCOM PVT LTD

M/s.Santosh Kotarki

om sai enterprises

ramesh construction co