REPAIR/MAINT OF LT PANELS, AUTOMATION PANEL, VOLTAGE STABLIZERS AND ALLIED WORKS AT AF STN HALWARA

Amount

M&L in replacement for feeder pillers box factory made -out door type made out of MS sheet (CRCA) of thickness not less that 3 mm. of size 75 x 75 x 45 cm with aluminium bus bar strip 4 Nos of 600 Amps rated suitable for 1100 volt (LT) mounted on LT porcelain insulator front opening door two leaf braced with hinged, mounted on 4 Nos of angle iron 50x50 mm duly welded with box and grouted in PCC block of size 30cmx30cmx 15cm in concrete 1: 3 : 6. Top of box MS sheet duly bent in/slope, tapper with projection of 30 mm on all side, weather/vermin proof with high quality of rubber beeding on panel door, cable entry arrangements at bottom includes earthing terminals 2 Nos at both side and painted with two coats of smoke grey stove enameled paint over a primer coat including providing MCCB, 4 pole,fixed type 400 Amps, 36 KA rating-01 No complete all as directed by Engr-in-Charge.

Supply, install, testing and commissioning of AMF Panel shall be of suitable size factory made indoor cubical type front openable fabricated from CRCA steel sheet 1.6 mm thick complete as per manufacturer specification of Diesel Engine suitable for DG Set of capacity upto 160 KVA grouted in floor by providing PCC 1:2:4 type B-2 foundation of suitable size as per manufacturers recommendations complete in all respects and consisting of the following :- (a) Main & DG Incomer:- (i) 250 Amp 4 pole MCCB 25 KA with Thermal magnatic trip unit having O/L, S/C and G/F protection - 02 Nos, (ii) Spreaders with Phase Barrier - 04 Nos, (iii) Extended Rotary handle - 02 Nos, (iv) 1 AUX.Switch C/O Contact of SDE/SDVNS80 - 04 Nos, (v) Green indicator LED type 230 VAC for MCCB OFF - 02 Nos, (vi) Red indicator LED type 230 VAC for MCCB ON - 02 Nos, (vii) Amber indicaor LED type 230 VAC for MCCB Trip - 02 Nos, (viii) Digital VAF meter - 02 Nos, (ix) Miniature circuit breaker 6 A SP for control - 04 Nos, (x) Surge protectiion device - 01 No, (xi) 63A 4P MCB for SPD Backup - 01 No,(xii) Current transformer 250/5A 10VA CL.1 Tape wound (b) Automatic changeover- contractor Based:- (i) 225A 4P Power contractor 02 Nos, (ii) Coil for 225A contractor 220V AC - 02 Nos, (iii) Auxilary contractor - 02 Nos, (iv) Red indicator LED type 230VAC for ON - 02 Nos, (v) Miniatue circuit breaker 6 A SP for control - 02 Nos,(vi) Over voltage / under voltage protection relay - 02 Nos, (vii) Frequency protection relay - 02 Nos (c ) Manual changeover bypass system (i) 250A Manual oload changeover - 02 Nos, (ii) Red indicator LED type 230VAC for ON - 04 Nos, (d) Secondary material :- (i) Encloser box fabricted with CRCA sheet 14 & 16 SWG sheet powere coated with siemens gray colour front operation panel - 01 No, (ii) 250A colour coded AL.BUS bar current density 0.8 with Shrinable sleeves - 01 No, (iii) Power & control wiring as per required - 01 No, (iv) Door locks & Hings - 01 No, (v) PV, MCB Channel,Terminal blocks, Thimbles & Ferrules, end lock, earthing strip, sprial, tie tie base - 01 No, (vi) Rubber Gasket & engraving Name plates - 01 No, (vii) Hardware & Misc - 01 No,

Disconnecting of AC and DC connections from existing bus bar of AMF panel (for repair), lubrication of mechanical parts, adjustment and calibration of complete Relays etc including checking parts, repair to control wring with single core conductor of existing size as required at site for AMF Panel of any type, any make for satisfactory running including replacement of defective spare parts/items and re-assembling the same, re-connecting all AC / DC connections to make it functional including testing on existing load complete all as specified and as directed. Notes: 1. Spare parts shall be measured and paid for separately under respective items as supply only. 2. parts replaced shall be identical to those specified by original manufacture. 3. Parts of minor nature such as nuts, bolts, screws & washers required at site are deemed to be included in the cost quoted.

Supply only Spreaders with phase barrier complete all as specified and directed by Engr-in-Charge.

Supply only extended rotory handle complete all as specified and directed by Engr-in-Charge.

Supply only 1 AUX.Switch C/O Contact of SDE/SDVNS80 complete all as specified and directed by Engr-in-Charge.

Supply only Green indicator LED type 230 VAC for MCCB OFF complete all as specified and directed by Engr-in-Charge.

Supply only Red indicator LED type 230 VAC for MCCB ON complete all as specified and directed by Engr-in-Charge.

Supply only Amber indicaor LED type 230 VAC for MCCB Trip complete all as specified and directed by Engr-in-Charge.

Supply only Digital VAF meter complete all as specified and directed by Engr-in-Charge.

Supply only Surge protectiion device complete all as specified and directed by Engr-in-Charge.

Supply only Current transformer 250/5A 10VA CL.1 Tape wound device complete all as specified and directed by Engr-in-Charge.

Supply only 225 Amp 4 pole power contactor complete all as specified and directed by Engr-in-Charge.

Supply only Coil for 225 Amp contactor 220 Volt AC complete all as specified and directed by Engr-in-Charge.

Supply only Auxilary contactor complete all as specified and directed by Engr-in-Charge.

Supply only Over voltage/under voltage protection relay complete all as specified and directed by Engr-in-Charge.

Supply only Frequency protection relay complete all as specified and directed by Engr-in-Charge.

S&F in replacement Power & Control Wiring with 1.5 sqmm FRLS copper conductor for control circuits and 2.5 sqmm FRLS copper conductor for CT circuits as per existing diagram including provided cable ties, beading etc complete all as specified and directed

Supply and fixing DG safety and control panel which includes Micro based over temprature protection, low lubricant oil pressure protection, over load protection, ground fault protection, coolant level protection, fuel low level indication protection etc, panel support for local and remote control for existing AMF panel complete all as specified and directed by Engr-in-Charge.

M & L in replacement for earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm thick buried directly in ground vertically at a depth not less than 2.25 mtr below normal ground level with top edge of earth plate at depth not less than 1.5 mtr below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcol dust and common salt filling in alternate layers and electrode connected by galvanised iron strip 32 mm x 6 mm by means of bolts, nuts, check nuts and washers connected to test termination point protected by 40mm bore GI pipe light grade and GI pipe light grade 20mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1:2:4 type B1 including exluvation and earth work, disposal of surplus soil to a distance not exceeding 50 mtr all as specified and shown in electrical plate No 3 of SSR Part I complete all as specified and directed. Note-- (i) The unit rate shall include for GI water pipe, protection pipe wire mesh, funnel, excavation, RCC pit cover, PCC, test point, G I strip 32 X 6 mm from top of earth plate upto 5 mtr (ii) PCC pit shall be provided at least 1.5m away from the earth pit and extra cost of additional length of water pipes and fixing junction, Elbows etc. shall be deemed to be included in the unit rate. (iii) RCC pit cover shall be percast of RCC 1:2:4, type B-1, 80 mm thick reinforced with XPM weighing not less than 4kg/Sqm in liue of cast iron cover.

S&F in replacement MCB 63 A TPN complete all as specified and directed.

S&F in replacement MCCB 63 A 4pole 25KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

S&F in replacement MCCB 100 A 4pole 25KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

S&F in replacement MCCB 160 A 4pole 25KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

S&F in replacement MCCB 200 A 4pole 25KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

S&F in replacement MCCB 250 A 4pole 36 KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

S&F in replacement MCCB 315 A/320 A 4pole 36KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

S&F in replacement MCCB 400 A 4pole 36 KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

S&F in replacement MCCB 630 A 4pole 36 KA with Adjustable Thermal & fixed magnetic setting Ics =100% of Icu.complete all as specified and directed.

Material and Labour for inspecting and servicing of Oil cooled/ air cooled servo controlled voltage stabilizer of 5 KVA, 415V, 50 Hz, Three phase capacities installed at various locations within Air Force Station Halwara by cleaning the complete unit with suitable cleaning agent and checking the serviceability state of all the switchgears/ components such as variacs, ECC box, stepper motors, RC networks, control PCB, Carbon Brushes, sensing transformers, synchronising motor, drive gears etc complete and replacing the defective spare parts and testing for proper fuctioning complete all as specified and directed by Engineer-in-Charge. Note : Components / spare parts will be measured and and paid separately under relevant items of Schedule 'A', however the the cost of suitable wires, lugs, nuts, bolts and washers required for control wiring shall be included in quoted rate.

All as per Sl Item No 40 above but 10 KVA, 415V, 50 Hz, three phase

All as per Sl Item No 40 above but 20 & 25 KVA, 415V, 50 Hz, three phase

All as per Sl Item No 40 above but 30 KVA, 415V, 50 Hz, three phase

All as per Sl Item No 40 above but 50 KVA, 415V, 50 Hz, three phase

All as per Sl Item No 40 above but 100 KVA, 415V, 50 Hz, three phase

All as per Sl Item No 40 above but 150 & 160 KVA, 415V, 50 Hz, three phase

All as per Sl Item No 40 above but 200 & 250 KVA, 415V, 50 Hz, three phase

Supply and replace AC stepper motor of capacity 3Kg/CM suitable for servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge. Make: Servomax/Servocon/SCAN power stabilizer

Supply and replace AC stepper motor of capacity 10Kg/CM suitable for servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge. Make: Servomax/Servocon/SCAN power stabilizer

Supply and replace motor gear and variac shaft gear set suitable for servo controlled voltage stabilizer complete all as specified and dircted by Engineer-in-Charge.

Supply and replace RC Network 3Kg/CM to 10 Kg/CM suitable for servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace sensing transformer with triac board complete all as specified and directed by Engineer-in-Charge.

Supply and replace control PCB with wiring complete all as specified and directed by Engineer-in-Charge.

Supply and replace voltmeter 0 to 500 V of existing type suitable for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace limit switches suitable for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace POT meters suitable for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace carbon brushes of various capacity suitable for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace VARIAC of rating upto 15A suitable for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace VARIAC of rating above 15A and upto 35A suitable for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace ECC box suitable for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace Dimmer 10 Amp to 20 Amp for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace Dimmer 28 Amp to 40 Amp for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Supply and replace Dimmer 60 Amp to 100 Amp for existing servo controlled voltage stabilizer complete all as specified and directed by Engineer-in-Charge.

Material and labour for Filtration/dehydration of transformer oil of oil cooled servo voltage stabilizer of various capacities installed at various locations within Air Force Station Hakimpet with mobile type filtration plant to achieve di-electric strength of 30 KV for 1 minute at 2.5mm gap as per relevant IS including testing and recording the values of dielectric strength of oil before and after filtration at site with transformer oil testing machine complete all as directed by Engineer-in-Charge.

Supply and Topping up of transformer oil into the body of servo controlled voltage stabilizer to the desired level complete all as specified and directed by Engineer-in-Charge.

Taking out of burnt winding from the unserviceable voltage stabilizer of any capacity,cleaning all the limbs, rewinding with supper enamelled wire of same weight, gauge etc of winding with suitable gauge by calculatging mumber of turns as per voltage of voltage stablizer, varnishing and drying by vaccum impregnating, replacing insulating material, nuts,bolt etc including testing as per latest IS/BS specification to make it functional compete all as specified and as directed.

JINDAL AND COMPANY

BEHL AND COMPANY