PROVN OF STABILIZED 3 PHASE POWER SUPPLY AND OTHER E M WORKS IN TECH FLT AT AIR FORCE STATION PATHANKOT

Supply,testing and commissioning indoor L.T.Panel board factory fabricated indoor cubical type totally enclosed made out of 2.0 mm thick sheet metal enclosure with angle iron frame of size 50 x 50 x 06 mm , CPRI approved, IP-42 for operation on 3 phase 4 wire, 440 volts 50 HZ system, with hinged panel opening doors (covers) on two sides with handles, bottom gland plate and locking arrangement consisting of sufficient Nos of circular cable entry holes at bottom only with suitable PVC/rubber/wooden bushes to prevent ingress of water/vermin etc, inside the enclosure, the required nos of holes to be fixed with chromium plated brass cable glands of suitable size for cable entry and exit complete with necessary internal wiring with stranded copper conductor FRLS PVC insulated cables of adequate size, duly with painted one coat of red oxide primer and two coats of synthetic enamel paint of gray or any other approved colour and aluminium bus bar rating 1500 Amp - 04 Nos mounted on epoxy insulator-01 Set complete with multifunction meter for measuring voltage, current, PF and phase indicating lamp, ammmeter with suitable size of CTs voltmeter, frequecy meter including connecting the following . Incoming:- (a) ACB 1000 Amps 50 KA Four pole 415 volts - 01 No (incomer) IP 54 protection with microprossor based thermal magnetic release (Electrically Draw out type ) with protection By Pass Facility, Shunt & UVT , with breaker ON, OFF, Trip indication Outgoing:- (a) MCCB 630 Amps 50 KA Four pole 415 volts - 02 No (O/G) Double break contact design with adjustable type thermal release FP, with extended terminals & Extended Rotary Handle with breaker ON, OFF, Trip indication (b) MCCB 125 Amps 25 KA Four pole 415 volts - 03 No (O/G) ,Ics=100% Icu ,with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperators (c ) MCCB 100 Amps 25 KA Four pole 415 volts - 02 No (O/G) ,Ics=100% Icu ,with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperators (b) MCCB 63 Amps 25 KA Four pole 415 volts - 03 No (O/G) ,Ics=100% Icu ,with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperators (b) MCCB 40 Amps 25 KA Four pole 415 volts - 02 No (O/G) ,Ics=100% Icu ,with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperators(b) MCB 32 Amps 25 KA single pole and neutral 230 volts - 03 No (O/G) ,Ics=100% Icu ,with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperators

Supply,installation, testing & commisioning LT Panel board,Indoor type, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, outer body made out of 2mm thick CRCA sheet, side covers with front and back hinged doors with proper locking arrangement, rubber gasket on front and back to make it dust and vermin proof, powder coated Aluminum busbar duly sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system and control wiring with multistranded PVC insulated copper wire size not less then 1.5 Sqmm, complete comprising with following accessories all as specified and directed by the Engr-in-charge. With MCCB FP 200 Amps 25 KA - 01 No The cost of the PCC foundation shall be deemed to be included in the unit rate quoted for the item..

Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 400 sq mm single core complete all as specified and directed by engr-in-charge.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 sq mm 3.5 core complete all as specified and directed by engr-in-charge.

S & FixPowder coated galvanised iron perforated cable tray of size 300x250 mm for stands and FI 220mm for bed ,chanel type on ceiling of bldg ,proper hanging with nut, bolt , hanging rods etc in wall / surface/roof for existing cables/telephone cable / Lan cable all as directed and specified by Enge in charge.

Material & Labour for earthing complete with copper earth plate elect rode 600x600x3mm thick buried directly in ground to a depth not less than 3 mtr deep below normal ground level with top edge of the earth plate not less than 2.25 mtr deep below normal ground level connected to copper strip 20x3mm size as earthing lead by means of soldering/brazing and bolts, nuts, check nuts and washers of brass, GI protection pipe light grade 40mm bore up to test point 20mm dia GI watering pipe with funnel and wire mesh, PCC pit 1:2:4 type BI, RCC cover with suitable handle, earth pit filled with ground enhancing material i.e. mixture of copper sulphate, magnesia sulphate, graphite power etc mixed in equal quantity all around earth plate up to 150 cm and filled with vegetable soil above GEM up to ground level earth work in any type of soil all as required and directed including testing on completion. Make of chemical True power/JMV/Powertrac.

M&L in replacement for maint free chemical earthing pit for Electric Equipement/lightening protection comprising of 3 Nos copper earthing Electrode Compound filled Model 80 MTPBC, Length 3000mm internal strip size 32X6 Copper electrode diameter 80 mm Make : True Power/ JMV/ Powertrac. Fixed in Three different earth pit of size 3.3 mtr deep placed in a triangular position at a distance 3 mtr each, earth pit filled with earth gel with hardener Soil Resistivity improvement Powder Compound make of compound True Power/JMV/Powertrac (hygroscopic in nature) earth electrodes inter connected using copper strip of size 25 mm x3 mm and one test point made of copper plate of size 75x75x3mm thick connecting to all three earth pits using copper strip of size 25x3 mm with soldering or brazing all as required including boring hole for earth pits and removal of surplus soil , refilling of vegetation soil and earth pits FRP Earthing chamber cover earthing pit .Earthing Chamber FRP 420mm (Top),340mm (Base),210mm Height for test points and FRP Based Earthing Display Board with support stand , FRP coated width 254mm,Length-380mm, Height 610mm., complete all as required and directed.

Supply, installation, testing and commissioning of indoor automatic/servo voltage controller three phase, 50Hz (confirming as per BIS 9815 : Part 1: 1994 reaffirmed 2009) Naturally oil cooled of 630 KVA, unbalanced type, copper wound, digital display type, Relay free smooth and silent operation with first filling of Transformer oil having following specification :- (i) Input voltage 360-480V or as per ground requirement (ii) Output voltage stabilized at any designed/desired voltage 415 +/- 1% adjustable (iii) No distortion in wave form (iv) Response time not to exceed 10mille seconds (v) Sensitivity (+_ 1%) (vi) Rate of correction 8 volt/second for single phase and 20 volt/second for phase to phase (vii) No load losses less than 0.5% (viii) Full load losses less than 2.5% (ix) Duty cycle continuous 24 x 7, Efficiency more than 95% (x) Type of load 3 Phase, unbalanced type (xi) Digital display voltmeter and amp meter of suitable rating Protections (xii) Over load/short circuit protection (xiii) High/low voltage cut off (ix) By pass arrangement in case of emergency (xv) Single phase sequence change protection

Supply, installation, testing and commissioning of indoor automatic/servo voltage controller three phase, 50Hz (confirming as per BIS 9815 : Part 1: 1994 reaffirmed 2009) Naturally oil cooled of 200 KVA, unbalanced type, copper wound, digital display type, Relay free smooth and silent operation with first filling of Transformer oil having following specification :- (i) Input voltage 360-480V or as per ground requirement (ii) Output voltage stabilized at any designed/desired voltage 415 +/- 1% adjustable (iii) No distortion in wave form (iv) Response time not to exceed 10mille seconds (v) Sensitivity (+_ 1%) (vi) Rate of correction 8 volt/second for single phase and 20 volt/second for phase to phase (vii) No load losses less than 0.5% (viii) Full load losses less than 2.5% (ix) Duty cycle continuous 24 x 7, Efficiency more than 95% (x) Type of load 3 Phase, unbalanced type (xi) Digital display voltmeter and amp meter of suitable rating Protections (xii) Over load/short circuit protection (xiii) High/low voltage cut off (ix) By pass arrangement in case of emergency (xv) Single phase sequence change protection