REPAIR/MAINTENANCE OF DISTRIBUTION TRANSFORMERS AND CONNECTED WORKS AND REPAIR/MAINTENANCE/REPLACEMENT TRANSFORMER PANEL AT VARIOUS LOCATIONS UNDER GE E/M LUCKNOW

Amount

Disconnecting and taking down faulty and defective aluminium or copper wound transformers of any capacity upto 630 kVA, 11000/433 V from two pole or 4 pole structure or substations and transporting to AGE E/M yard complete all as specified and directed.

Transporting of aluminium/copper wounds transformer of capacity upto 630 kVA , ratio 11000/433 Volts from AGE E/M yard to any sub station located in Lucknow Cantt and mounting it on pole structure or in sub station and making all necessary incoming and outgoing connection and testing at 11 KV at site complete all as specified and directed.

Transporting faulty / defective transformer of ratio 11000/433 volts to Contractor's workshop from AGE E/M (ext) store yard and opening the top cover of transformer, carrying out the repairs /works listed at serial No. (i) to (xii) below for the transformers of capacity mentioned below and transporting back to AGE E/M Ext Elect yard. (i) Decanting of the transformer oil into separate Container /barrel. (ii) Taking out the core/coil of transformer (iii) Painting inside of the transformer with yellow paint and outside body with synthetic enamel paint of existing tint/colour Cleaning inside of the transfomer by using transformer oil. (iv) Refixing the core/coil in transfomer including heating up the transformer core assembly to remove moisture after carrying out the repairs to the transformer. (v) Renewal of rubberised gasket set for top cover, Brass spindles, LT and HT bushings etc. (vi) Refilling of the decanted transfomer oil after centrifuging and testing for requird di-electric strength. (vii) Refixing the transformer top cover with nuts, bolts and washers. (viii) Preparing Inspection report for renewal of parts etc in presence of EIC and Contractor. (ix) The contractor shall arrange factory visit for the EIC or his representative as and when requried, testing of transformer to be done on full load at factory. (x) Soldering/ brazing or connecting LV bus bars with suitable size nuts, bolts and washers (xi) Providing necessary insulation papers, sleeves, PVC pipes insulation sheet etc. (xii) Renewal of worn out nuts, bolts and washers

upto 250kVA

Exceeding 250 KVA but not exceeding 630 KVA

Reconditioning of LV leg coil aluminium/copper of transformer upto 630 KVA complete all as specified and directed.

Reconditioning of HV leg coil aluminium/copper of transformer upto 630 KVA complete all as specified and directed..

Supply only LV leg coil of aluminium conductor for transformer upto 630 KVA complete all as specified and directed.

Supply only LV leg coil of copper conductor for transformer upto 630 kVA complete all as specified and directed.

Supply only HV leg coil of aluminium conductor for transformer upto 630 KVA complete all as specified and directed.

Supply only HV leg coil of copper conductor for transformer upto 630 KVA complete all as specified and directed and directed.

Supply only HV bushing 11 KV for transformers upto 630 kVA complete all as specified and directed.

Supply only LV bushing 0.433 KV for transformers upto 630 KVA complete all as specified and directed.

Supply only HV spindles ( metal Part) of brass with nuts and washers for transformers upto 630 KVA complete all as specified and directed.

Supply only LV spindles ( metal Part) of brass with nuts and washers for transformers upto 630kVA complete all as specified and directed.

S&F copper extension strip of suitable size ,fixed in LT terminal box including drilling holes for making cable connections all as specified and directed.

Renewal of worn out /unserviceable toughend glass, gasket etc. of oil level gauge and testing for leakage for transformers upto 630 KVA complete all as specified and directed..

S&F Silica gel breather ( Transparent type) with silica gel suitable for transformers upto 250 KVA capacity complete all as specified and directed.

S&F Silica gel breather ( Transparent type) with silica gel suitable for transformers exceeding 250 KVA but not exceeding 630 KVA.capacity complete all as specified and directed.

Supplying and topping up transformer oil low viscocity, dielectric strength 35 to 40 kV breaking voltage for topping up transformers duly centrifuging including filter action by using automatic centrifuging machine to achieve min 35 to 40 KV breaking capacity at 4 mm gap by absorbing and abolishing all sludge particles for use as per BS-B-66-1983 complete all as specified and directed.

Material and labour for centrifuging of transformer oil including filter action by using automatic centrifuging machine to achieve min 35 to 40 KV breaking capacity at 4 mm gap by absorbing and abolishing all sludge particles for use as per BS-B-66-1983 complete all as specified and directed. Note:- Standby supply will be arranged by the contractor

Material and labour for opening of the top cover of transformers at the site of installation and taking out transformer oil as required and S&F rubberised synthetic gasket for top cover for replacing the LT terminal box, LV/HV bushings, spindles, repairing the broken neutral conductor etc suitable for transformer of rating upto 250 KVA all as specified and directed. Note :- Renewal of HT/LT spindles and bushings if required shall be measured and paid seperately at supply only rates under appropriate items)

Material and labour for opening of the top cover of transformers at the site of installation and taking out transformer oil as required and S&F rubberised synthetic gasket for top cover for replacing the LT terminal box, LV/HV bushings, spindles, repairing the broken neutral conductor etc suitable for transformer of rating above 250 KVA and upto 630 KVA all as specified and directed. Note :- Renewal of HT/LT spindles and bushings if required shall be measured and paid seperately at supply only rates under appropriate items)

Supply & Fix in repairs tap changer switch complete with handle for transformer of capacity upto 250 KVA complete all as specified and directed.

Supply & Fix in repairs tap changer switch complete with handle for transformer of capacity exceeding 250 KVA and not exceeding 630 KVA complete all as specified and directed.

M&L for painting of transformer of capacity upto 250 KVA with two coats of Zinc chromate paint (yellow colour) internally and with synthetic enamel paint (grey colour) externally after necessary prepration to surfaces including numbering SM/MES No with white paint, etc complete all as specified and directed.

M&L for painting of transformer of capacity exceeding 250 KVA but upto 630 KVA with two coats of Zinc chromate paint (yellow colour) internally and with synthetic enamel paint (grey colour) externally after necessary prepration to surfaces including numbering SM/MES No with white paint, etc complete all as specified and directed.

Suppy and filling silica gel of good quality in existing silica gel breather of transformer all as specified and directed.

M&L for disconnecting burnt end or portion of 25 sqmm to 185 sqmm 3 ½ core cable removing the cable from loop including necessary excavation, earthwork, removing brick protection and relaying the same, and reconnecting the cable by removing burnt portion of cable and preparing fresh terminals of LT cable to pole / main switch etc complete all as specified and directed.

M&L for disconnecting burnt end or portion of 240 sqmm to 300 sqmm 3 ½ core cable removing the cable from loop including necessary excavation, earthwork, removing brick protection and relaying the same, and reconnecting the cable by removing burnt portion of cable and preparing fresh terminals of LT cable to pole / main switch etc complete all as specified.

Material and labour for earthing complete with galvanized steel earth plate electrode 600mmx600mmx6.0mm buried directly in ground vertically to a depth not less than 2.25 meter below normal ground level (with top edge of earth plate not less than 1.5 meter below ground level) connected to GI strip 32mmx6mm main earthing lead by means of galvanized bolts, nuts and washers all as shown in electrical plate no 3 of MES Schedule Part-I (2001) with connected to earth test point & to main switch board etc with & including adequate quantity of charcoal dust and common salt alround earth plate, PCC (1:3:6) type C-1 (using 20mm graded black trap/granite/Basalt stone aggregate) for earth pit with 40 x 40 x 6mm mild steel angle iron frame for cover, pre cast RCC (1:2:4) type B-1 (using 20mm graded black trap/granite/Basalt stone aggregate) 40mm thick cover reinforced with 6mm dia bars 3 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20 mm dia with funnel and wire mesh, and 40 mm dia GI light grade earth lead protection pipe, complete all as specified and directed.

Hiring of cable fault detector, to detect exact position of fault for XLPE /PVC LT/HT cable, 1100/11000 Volts grade heavy duty aluminium conductor of any size including to and fro transporting charges etc. all as specified and directed.

Supplying & Fixing Danger Notice Plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and coventional skull and bones in signal red colour and fixed with M.S clamps, bolts and nuts of approved size for 433 Volts Low Tension 20 x 15 cm complete all as specified and directed.

Cleaning of 11 KV Electric sub station (indoor/outdoor) incld removing of grass, bushes and trimming of branches of trees inside the premises of substation complete all as specified and directed.

Supply and install HT triple pole 11000 Volts outdoor type gang operated air -break switch suitable for horizontal or vertical mounting on steel frame fixed type with drop out fuse having 12 insulators of rating upto 200 Amp, mechanically operated complete all as specified and directed.

Dismantling the existing cable from panel/pole/transformer preperation the end for jointing including all earth work supply and fixing cable end termination cold shrinkable including sleeves suitable for HT/LT XLPE cable of different sizes complete all as specified and directed.

Dismantling the existing cable from panel/pole/transformer preperation the end for jointing including all earth work supply and fixing staight through joint heat shrinkable including sleeves suitble for HT/LT XLPE cable of different sizes

S & F in repairs MCCB 3 Pole of capacity 200 Amps, 50 Hz, 415V with rupturing capacity of 36 KA including spreader terminals complete all as specified and directed.

S & F in repairs MCCB 4 Pole of capacity 250 Amps, 50 Hz, 415V with rupturing capacity of 35 KA including spreader terminals complete all as specified and directed.

S & F in repairs MCCB 4 Pole of capacity 400 Amps, 50 Hz, 415V with rupturing capacity of 50 KA including spreader terminals complete all as specified and directed.

S & F in repairs MCCB 4 Pole of capacity 630 Amps, 50 Hz, 415V with rupturing capacity of 50 KA including spreader terminals complete all as specified and directed.

Supplying and fixing in repairs Cable straight through joint for 1100 Volts grade cable of size 300 Sqmm to 400 Sqmm 3.5 Core,heat shrink type joint complete with jointing material and accessories for XLPE armoured aluminium conductor cable complete all as specified and directed.

All as per item No.40 above but of capacity 185 Sqmm to 240 Sqmm 3.5 Core

All as per item No. 40 above but of capacity 120 Sqmm to 150 Sqmm 3.5 Core

All as per item No.40 above but of capacity 70 Sqmm to 95 Sqmm 3.5 Core

S & F 11 KV cold shrinkable indoor type cable termination kit with all accessories suitable for 50 to 95 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as specified and directed.

S & F 11 KV cold shrinkable outdoor type cable termination kit with all accessories suitable for 120 to 185 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as specified and directed.

S & F 11 KV cold shrinkable indoor type cable termination kit with all accessories suitable for 120 to 185 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as specified and directed.

S & F 11 KV cold shrinkable outdoor type cable termination kit with all accessories suitable for 240 to 300 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as specified and directed.

S & F 11 KV cold shrinkable straight through joint kit with all accessories suitable for 50 to 95 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as specified and directed.

S & F 11 KV heat shrinkable straight through cable joint kit with all accessories suitable for 120 to 185 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as specified and directed.

Material and labour for construction of new plinth of size 1.8x1.8x1.35 Mtr with PCC 1:3:6 type C2 using 40mm graded stone aggregate including brick work with old size fly ash brick, straight or curved on plan excd 6 Mtr mean radius built in cement and sand mortar 1:6 rendering, suitable for mounting of transformer of any capacity. Overall height of the plinth shall be 1.35 Mtrs (0.90 Mtr above ground level and 0.20 Mtr below ground level) complete all as specified and directed.

Material, labour and T&P for disconnecting the LT & HT cables/connections of transformers and shifting the transformers on the newly constructed plinths at any location inside the cantt area with the help of hydra/crane or any other vehichle required for shifting including PCC work at new location and making all necessary connections complete all as specified and directed.

M & L for preparation of new steel surfaces of any description not otherwise described over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

M & L for mild steel hand rails, half round or other stock section or core for wooden hand rail straight portion, drilled and counter sunk for balusters running bars, for doors, baulsters, nosing to steps including embedding in concrete and screwing etc wind ties for roof including securing bolts, posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc, flat iron fillets (for securing wire mesh etc including all necessary drilling, bolting or rivetting etc and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

M & L 60 mm thick PCC interlocking tiles, rubber moulded and chemically coated, using grey cement and pigment of size and shape as approved, with and including 100 mm thick bed with PCC 1:2:4 type B1 with 20mm graded stone aggregate and layer of dry sand not less than 40 mm thick, interstices filled in floors/ pathway incuding locking the tiles on all four sides with PCC complete all as specified and directed.

Material and labour for expanded metal cut to length and bent to shape required and tying with and including annealed mild steel wire not less than 0.90 mm dia and not exceeding 4Kg/Sqm or for fixing with galvanised steel staples complete all as specified and directed.

M&L for disconnecting burnt end or portion of 25 sqmm to 185 sqmm 3 ½ core cable removing the cable from loop including necessary excavation, earthwork, removing brick protection and relaying the same, and reconnecting the cable by removing burnt portion of cable and preparing fresh terminals of HT cable to pole / main switch etc complete all as specified.

Supply, laying and testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with Aluminium Conductor of size 120 Sqmm 3.5 Core, 1100 Volts grade including cable lugs, nuts, bolts and washers of suitable size

All as per item Ser No 58 above but of size 95 Sqmm 3.5 Core

All as per item Ser No 58 above but of size 70 Sqmm 3.5 Core

All as per item Ser No 58 above but of size 50 Sqmm 3.5 Core

All as per item Ser No 58 above but of size 35 Sqmm 3.5 Core

Excavation in trenches in any type of soil not exceeding 1.5 Metre deep and not exceeding 1.5 metre width and getting out including forming bottom surface & sides to required slope/size complete all as specified and directed.

Removal of surplus excavated spoil not exceeding 50 Mtr distance and depositing where directed by the Engineer-in-Charge at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Returning filling in, and including spreading and leveling in layers not exceeding 25 cm thick complete all as specified and directed.

Material & labour for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed.

Supplying & Laying fly ash bricks, old size, laid with axis of brick perpendicular to the axis of the cable, for protection of cable complete all as specified and directed.

Supply and laying GI pipe light grade 100 mm bore under road crossing or on poles for protection of cables complete all as specified and directed.

Boring/Drilling ( horizontally) manually under existing road (maximum 10 M in width) suitable for passing GI tubing of 40 to 100 mm bore complete all as specified and directed.

Supply, laying and testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with Aluminium Conductor of size 120 Sqmm 3 Core, 11000 Volts grade including cable lugs, nuts, bolts and washers of suitable size complete all as specified and directed.

All as per item No. 70 above but of size 95 Sqmm 3 Core

All as per item No. 70 above but of size 70 Sqmm 3 Core

Supplying & Laying reinforced precast concrete cable protection covers of class HV, type-1, flat, of size 300mm x 180mm x 40mm perpendicular to the axis of the cable, for protection of cable complete all as specified and directed.

Supply , fixing lightning arrestor 11 KV complete all as specified and directed.

S & F in repairs copper bus bars of 200 Amps rating suitable for LT Panels as per existing dimensions including drilling holes and nuts, bolts and washers of suitable size & taking out old burnout old bars complete all as specified and directed.

S & F in repairs Aluminium bus bars of 200 Amps rating suitable for LT/HT Panels as per existing dimensions including including drilling holes and nuts, bolts and washers of suitable size & taking out old burnout old bars complete all as specified and directed.

Supply, installation, testing and commissioning out door type busbar panel board outer shell 1.5m x 1.2m x 0.6m made out of 3.15 mm thick MS sheet and MS angle section 40x40x5 mm on PCC 1:2:4 type B-1 platform 40 cm above the ground level and 45 cm below the ground level, frame factory fabricated with front and back openable double door system (Each door hinged with body at 4 places ) lockable/openable by Keys having chromium plated 19 mm dia fancy lock, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof .suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at CPRI for 35 MVA rupturing capacity at 415 Volts factory fabricated having modern fabrication and testing process which included seven tank pretreatment process comprising of degreasing, rinsing, de-rusting, rinsing, phosphatising, rinsing and passivation followed by powder coat painting having thickness not less than 100 microns , provided with suitable gasket to make it dust / vermin proof and general construction confirming to IS:8623/93. (a) The copper busbar rated 630 Amps. (b) Incoming MCCB 250 Amps 25 KA 415 volts, 50 Hz, FP - 01 No. (c) Outgoing MCCB 160 Amps 16 KA 415 volts, 50 Hz, FP - 03 No. (d) Provn of blank compartment for future uses, 415 volts, FP-01 Nos. (e) Voltage / Ampere/ Frequency meter multi functional meter-01 Nos (f) LED indicator lamp RYB - 01 set of three.

Shree Tirupati Associates

Diamond Electric Co.

Prime power system