CWE BLY/GE (W) / 10 OF 2024- 2025 REPAIR/MAINT OF HT DISTRIBUTION AND ITS CONNECTED WORK AND DISTRIBUTION TRANSFORMER CONTROL PANEL AND CONNECTED WORKS EAST AREA UNDER GE WEST BAREILLY

Amount

Excavation in trenches not exceeding 1.5M wide and not exceeding 1.5M in depth and getting out in soft/loose soil for laying of under ground cable and foundation of poles complete all as specified and directed.

Add to item No 1 above for each additional 1.5 m or part there of in depth beyond the first 1.5 mtr complete all as specified and directed.

Returning, filling in, including spreading leveling watering and well ramming in layers n.exc 25 cm complete all as specified and directed.

Removing of excavated soft/loose soil not exc 50m & depositing where as directed at a level n.exc 1.5 m above from starting point complete all as specified and directed.

M&L for sand cushioning with layer of sand 8cm thick before laying of cable and 15cm after laying of cable in trenches, punning complete all as specified and directed Note:- Punning thickness of 18 cm will be considered for payment.

Supply & Laying in replacement un-reinforced precast concrete cable cover Class HV type I flat of size 300mm x 180mm x 40mm complete all as specified and directed.

Laying only old serviceable cable cover complete all as specified and directed.

Taking down existing damage/unsv/faulty PVC insulated, armoured, aluminium conductor 11000V grade cable of any size from trenches, pipe, ducts, pole etc. Testing for serviceability of cable, cutting and segregating serviceable portion for relaying serviceable cable where directed.

Supply, laying, connecting and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11 KV grade earthed laid in trenches/ducts/encased in GI pipe/fixed to pole including jointing and testing complete all as specified and directed of size 95 sqmm 3 core complete all as specified and directed.

Supply, laying, connecting and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11 KV grade earthed laid in trenches/ducts/encased in GI pipe/fixed to pole including jointing and testing complete all as specified and directed of size 120 sqmm 3 core complete all as specified and directed.

Relaying only serviceable HT 11 KV XLPE insulated armoured cable obtained from item Ser No 08 above all as specified and directed by Engr-in-Charge. Note : Excavation and earth work shall be paid and measured seperately in relevant items.

M&L for boring of holes under road /pavement/hard standing or any other situation by mannual means for 150 mm bore for crossing the cable and making good both the ends all as specified and directed at site. Note :- GI pipe shall be measure and paid separately under respective item.

S&F in replacement GI tube 100 mm bore light grade with all fittings and fixed complete for road crossing /on wall/floor and crossing culvert or laid in floor complete all as specified and directed.

M&L for painting the external exposed surfaces of steel tubular swaged/rail poles of HT alongwith cross arms, bracket and connected accessories with one coat of aluminium paint including preparation of old painted surfaces and writing the details of the pole in white letters(length of each letter 40mm) on black back ground and pasting radium red strickers/paint with 3 lines alternative layers of 30 cm width around the pole complete all as directed.

M&L in replacement earthing complete with galvanized steel plate electrode 60cm x 60cm x 6mm thick buried directly in ground earth pit not less than 2.25 meter deep below normal ground level with top edge of the plate not less than 1.5m below normal ground level connected to galvanized earth lead GI strip 25x4mm dia by means of bolts, nuts, check nuts and washer of galvanized iron or steel all as shown in electrical plate No 3 of SSR Part-I connected to continuous earth wire/lead all as specified and testing on completion, including provision of earth strip protected by 40 mm dia GI light grade protection pipe from test point to main board and 40mm GI medium grade watering pipe funnel, PCC earth pit and RCC cover charcoal, salt and GI wire including excavation and earth work etc complete all as directed at site.(Note- GI strip upto 7.5 mtr shall be included in the unit rate)

S&F in replacement earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required 25x4mm dia galvanised iron or strip complete all as specified and directed.

Dismantling air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism for repair/ replacement of broken/worn out components and insulators etc complete all as specfied and directed.

Supply installed testing and commissioning of Air-break, gang operated, triple pole switch, outdoor, vertical mounting type (ISI marked), mechanically operated, mounted on insulators 12 Nos including 400 amp rating complete with (DO Fuse unit) fuse mounts, fuse carriers and HT fuse elements and frame work with operating mechanism worked from ground level, with locking arrnagments including Godrej pattern 65mm pad locks with two keys, complete suitable for HT 11 KV, 50 Hz AC supply including necessary electric connections including taking down complete all as specified and directed

Dismantling of PCC/steel tubular pole incl coping, foundation etc complete all as specified and as directed

M&L for steel tubular sewaged poles of complete with cast iron base plate, finial taper plug, bolts, nuts and screws, as specified type 410 SP-55 11 Mtrs long all as specified and directed.

M&L for PCC type B1 (1:2:4) using 20 mm graded aggregate as in coping to the poles complete all as specified and directed.

M&L for PCC (1:3:6) type C2 using (40 mm graded aggregate) as in foundation, filing and mass concrete complete all as specified and directed.

M&L for cleaning the area around the sub station including two pole/four pole structures premises, trimming the trees, complete all as specified and as directed.

Looping /prooning of tree branches upto the extend to obtain clearance all around the OH lines conductor upto 3 mtr from furthest conductor on pole including removing of cut branches and cleaning of site complete all as specified and directed. Note : (a) The tree branches etc will be left as as it is and will not be carried away by the contractor / DEL as wood belongs to CEO/DEO and they will be responsible to lift the wood. (b) Prooning of all tree branches in one tree shall be measured as one job. (c) Contractor will employ sufficient labour to complete the job with in time as required. (d) Contractor will be responsible for any type of mishapening / accident while proning the trees. (e) Contractor supervisor will take proper shut down from the MES installations before starting the work and clear it before resuming power supply. However full assistance will be provided by MES Staff. (f) The contractor will provide proper tools and safety devices to his staff for prooning of trees.

S&F in replacement cable end termination 11 KV HT (heat shrinkable) cable jointing kit for 11 KV (Earthed) grade cable for indoor type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

All as per Sl item No 25 here-in-before but size of 120 to 185 sqmm complete all as specified and directed.

S&F in replacement cable end termination 11 KV HT (heat shirnkable) cable jointing kit for 11 KV (Earthed) grade cable for outdoor type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

S&F in replacement Straight through 11 KV HT (heat shirnkable) cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of of size 120 to 185 sqmm complete all as specified and directed.

All as per Sl item No 28 here-in-before but size of 95 sqmm complete all as specified and directed.

S&F in replacement Danger notice plate of 1.6 mm thick mild steel sheet vitreous enanelled white of size 20 x25 cm with figures letters and conventional skull bones in signal red colour and fixed with mild steeel clamps made of flat iron nuts bolts and washers etc for HT poles with voltage and danger indicated in hindi and english and local vernacular complete all as specified and directed.

M&L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers welding, bending cold or hot, drilling holes for bolts, in any hape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint.

Dismantling of cross arms of MS channel or angle sections etc complete and setting aside for re-use with in 50 m complete all as specified and as directed.

M&L for aluminium conductor, steel reinforced including stringing in position all as specified and directed by Engineer -in-Charge.

Dismantling of ACSR from the poles all as specified and directed by Engineer -in-Charge.

Dismantling insulators any type any size from HT poles complete all as specified and directed.

M&L for Pin type , porcelain, vitreous, white , borwn or green insulator including one galvanised mild steel spindle , two galvanised mild steel spindle, two galnvanised iron wahers and one galvanised iron nut, 150 mm height,150 mm dia for 11000 volts grade complete all as specified and directed.

S&F Loop type insulator with complete fitting porcelain, vitreous white or brown large sizewith over all dismensions 90x140mm , clearance of hole 25.5mm complete all as specified and directed.

M&L for stay assembly complete with accessories of diameter of stay rod in 20 mm all as specified and directed.

Dismantling stay assembly complete from the pole complete all as specified and directed.

S&F in replacement synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m complete all as specified and as directed.

M & L in replacement for earthing complete chemical type with copper earth plate electrode 900mm x 600mm x 5mm thick buried directly in ground (earth pit not less than 3 mtr deep 1.5 mtr width ) with top edge of the plate not less than 2.25 mtr below normal ground level connected and including to and including copper strip earth lead 32mm x 6 mm size by means of copper brazing strip and layers of salt charcol and magnisium sulphate including funnel with wire mesh including testing of earthing all as specified and directed . (Chemical Earthing pits are to be made and connected in a grid to meet the earth resistance specifications of <0.50ohm) (a) Earthing to be done in presence of JE/Engr- in - Charge .(b) Charcol small pieces 250 Kg , Salt (crystel)-250 Kg, Magnisium Sulphate ( Crystal) 100 Kg. (c) Copper strip shall be brazed with copper elctrode plate .(d) Alternate layer of charcol and salts should be laid in the earth pit on the top of the copper plate at least 5 layers should be laid. (e) After laying of the 5 alternate layers of charcol and salts a two inch layer of magnisium sulphate to be laid. (f) The chemical salts and and magnisium sulphate should not be fixed but are to be laid in layers only. (g) Copper strip is to be extended inside the equipment and power room it should be routed in the side wall of the under ground ducts fixed with cremics /porcelain spacers. (h) Contractor shall pour sufficient water in earth pit before and after doing earthing. (j) 25 mm dia GI pipe suitable length to be reach just about copper plate fitted with funnel meshed along with cap running with water tap to be provided for keeping soil wet. (k) Soft soil ( Black cotton soil) shall be used in case of rocky terrain. (i) Brass nuts and bolts with proper washer to be used for copper strip jointing and necessary brazing shall be done directed. (m) Copper strip beyond 7.5 m shall be measured and paid seperately. (n) The test point of each pit shall be made as directed and the cost is same to be include in the qouted rate. (o) The test report should be submitted in triplicate. ( p) Construction of earth pit chamber with PCC (1.3.6) type C1 ( using 20mm gradeed stone aggregate) RCC 1.2.4 type B1 cover 50mm thick with 8mm dia TMT bar 100mm centre to centre with igting handles of suitable dia complete all as directed . Note: Earth resistance to be less than 1.00 complete including testing and replacement of old existing earthing materials complete all as specified and directed.

M&L in replacement for glow sign board LED of required size (200 x 200 x 30 cm) made out of steel frame ame with MS sheet of suitable size with flex sheet marked with details of sub station on front with different colours including provision of LED power-fittings & fixtures in equal distance to illuminate board including connections with 2.5 sqmm stranded copper conductor cable all as specified and directed by Engr in Charge.

Supply and Fix in replacementHT Aluminium Lugs of size 95 sqmm complete all as specified and directed.

Supply and Fix in replacement HT Aluminium Lugs of size 120 sqmm complete all as specified and directed.

Supply and fix in replacement fuse wire of capacity 5A to 50 A as required for above Job complete all as specified and directed.

S&F in repair of HT PVC tape roll of size 38 mm width in 9 mtr roll complete all as specified and directed. Note : (i) Complaints pertaining to External Electric Supply shall be resolved by the contractor with in 24 hrs from the date and time of complaints. Failing which penalty of Rs 5000/- per day per complaint shall be imposed from the contractor. (ii) The contractor or his authorised representative shall report to the concerned JE E/M / Engr -in-Charge during the time of breakdown. A register shall be maintained to record all orders & instructions and their complaints and is to be signed by the contractor/his representative and the Engineer-in-charge/JE E/M concerned. (iii) Work done register to be maintained by the contrator.

Maintenance and complete overhauling of 11 KV VCB of existing make/type/make /capacity including disassembling operating mechanism parts, well cleaning with petrol and CRC-226 and replacing unserviceable spare parts, reassembling of parts including well cleaning the complete panel board, main bus bar, decarbonizing all joints, bus bar, CTs, PTs spout metal parts and making VCB perfect operating in manual and electric mode and calibration and checking of tripping system of 11 KV circuit breaker through IDMT over current and earth fault relay and plug setting infected in service by primary current injection method to ensure proper function of trip coil control circuit etc, during fault condition setting by expert complete all as specified and directed. Note:- Spare parts required to make VCB functional shall be measured and paid separately under respective items.

Supply only the following spare parts of HT 11 KV VCB for replacement against item No. 47 above complete all as specified and directed. Shunt Tripping coil 30V DC complete all as specified and directed.

Ammeter 0/20 to 100/200 Amp analog type 145 x 145 complete all as specified and directed.

Vaccum interupter for indoor VCB complete all as specified and directed.

Volt meter 0 to 15 KV digital type complete all as specified and directed.

Breaker control switch 10A, 660V complete all as specified and directed.

Electronic hooter 40V DC complete all as specified and directed.

Push button Actuators with carrier & contact element- non -illuminated flush spring return push button with 1 NO block, 22mm dia Red colour complete all as specified and directed.

Push button Actuators with carrier & contact element- non -illuminated flush spring return push button with 1 NC block, 22mm dia Green colourcomplete all as specified and directed.

Integrated LED pilot lamp suitable for operating at 24/110V (AC/DC) set of five (Red, Yelow, Blue, Green & White colour) complete all as specified and directed.

Toggle switch assembly complete all as specified and directed.

Fuse holders for british pattern fuse links as per IS,13703 2A V complete all as specified and directed.

Fuse holders for british pattern fuse links as per IS,13703 5A complete all as specified and directed.

No volt coil 30 V DC complete all as specified and directed.

11 KV CT 100/50/5+5 complete all as specified and directed.

Copper bus bar of existing size complete all as specified and directed.

Spring charging gear to match with existing complete all as specified and directed.

S&F in reapir strip type heater 40/60 watt approx 4"/6" in length complete all as specified and directed

Closing coil to match with existing 30/110 Volt complete all as specified and directed.

Coil to match with existing complete all as specified and directed.

S&F in replacement latest electronic over current and earth fault relay three phase, 03 OC and 1 EF, auxillary supply as per existing DC supply with 2 No + 2 NC contact suitable for SCADA compatible 11 KV VCB complete all as specified and directed.

M&L for repairing of 11 KV indoor PT with replacement of all damaged parts all male and female spouts and SRC fuses complete all as specified and directed.

S&F in replacement phase barriors support including brass bolt/washer for holding copper bus bar in the HT panel of existing type/size/capacity complete all as specified and directed.

Supply and fix in repair Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm incl taking down of existing complete.

M&L for Dehydration and filtering the transformer oil with dehydration machine to achieve required di-electric strength of the oil up to 40 KV at 2.5 mm gap complete all as specified and directed. Note 1 :- Dehydration machine and other required equipments shall be arranged by the contractor and no extra cost shall be paid to the contractor on this effect. Note2 : BDV Test certificate shall be submitted by contractor after dehydration.

Supply and filling transformer oil in sealed container for topping up the level of oil having dielectric strength 60 KV during filling after initial filtration,complete all as specified and directed.

M& L for opening up the top cover of transformer and taking out the transformer oil in a separate container after disconnecting the HT/LT side electric connections from both the primary & secondary side of the transformer of any type/description (indoor/out door type) installed on pole/floor, for carrying out necessary repair/rewinding to HT/LT side after shifting the transformer to contractors work shop including taking out complete core assembly, megger testing the defective winding portion/taking out , cleaning the laminated core and rewinding with appropriate gauge/winding wire/strip winding of existing description for transformer of capacity 50 to 100 KVA including assembling & testing on completion & installation the same at the site complete all as specified and directed. Note:- (a) Winding of coil shall be measured and paid seperately under respective item. (b) Transportation charges are deemed to be included in the quoted rate. (c) The cost for the dehyderation of transformer oil if required shall be measured and paid seperately. (d) The cost of insulation material such as paper, cotton tape, latheriod sheet, cork sheet etc are included in the quoted rate. (f) Proper shut down shall be taken by the contractor before execution of the work.

All as above Srl item No 56 here in before but of capacity exceeding 100 KVA and upto 200 KVA.

All as above Srl item No 56 here in before but of capacity exceeding 200 KVA and upto 400 KVA.

M&L for replacement of copper winding wire of any size/description suitable for step down transformer of any capacity, including winding of coil of HT side as per manufacturers design and specification to obtain rated KVA complete all as specified and directed.

All as above Srl item No 59 here in before but for strip winding of LT side complete all as specified and directed.

All as above Srl item No 59 here in before but for aluminium strip winding of HT side complete all as specified and directed.

Shifting only of trolly mounted transformer upto 400 KVA from one location to another location after carefully disconnecting from existing location and connecting at new location complete all as specified and directed

M&L for Replacement of existing defective drain out oil outlet valve of any type & size suitable for outdoor/ indoor transformer complete all as specified and directed .

M&L in replacement for air breather assembly complete with fresh blue colour silica gel suitable for indoor/outdoor transformer capacity upto 200 KVA of 11/0.415 KV Tfr connected to air column with conservator tank complete all as specified and as directed.

All as above Srl item No 65 here in before but for capacity above 200KVA and upto 400 KVA complete all as specified and directed.

S&F in replacement transformer oil temperature gauge 0 - 100, graduated, analogue dial type complete all as specified and directed.

S&F in replacement HT porcelain bushing (set of three) of suitable size for transformer upto 250 KVA including nuts, bolts & washers complete all as specified and directed.

S&F in replacement of HT porcelain bushing (set of three) of suitable size for transformer above 250KVA and upto 400 KVA including nuts, bolts & washers complete all as specified and directed.

S&F in replacement LT porcelain bushing (set of four) of suitable size for transformer upto 250 KVA including nuts, bolts & washers complete all as specified and directed.

S&F in replacement LT porcelain bushing (set of four) of suitable size for transformer above 250KVA and upto 400 KVA including washers nuts, bolts & complete all as specified and directed.

S&F in replacement HT bush rod (set of three) made out of copper with brass nuts and washers of required length including connecting up with HT coil of transformer upto 200 KVA capacity complete all as specified and directed.

S&F in repairs HT bush rod (set of three) made out of copper with brass nuts and washers of required length including connecting up with HT coil of transformer above 200KVA and upto 1000 KVA capacity complete all as specified and directed.

S&F in repairs LT bush rod (set of four) made out of copper with brass nuts and washers of required length including connecting up with LT coil of transformer upto 200 KVA capacity complete all as specified and directed.

S&F in repairs LT bush rod (set of four) made out of copper with brass nuts and washers of required length including connecting up with LT coil of transformer above 200KVA and upto 400 KVA capacity complete all as specified and directed.

S&F in replacement rubber seal for transformer HT/LT studs complete for any capacity of transformer complete all as specified and directed.

M&L for cutting worn out aluminium cable terminal lugs from the HT cable of size 120 to 300 Sqmm and S&F of new aluminium cable lugs of suitable size and reconnecting the cable with transformer, terminal stud including dressing of cable, excavation & surface dressing after providing sand cushioning and brick protection to match with the existing complete all as specified and directed.

M&L for disconnecting the input and output electric supply from automatic voltage stablizer upto 100 KVA capacity and taking out from site and shifting to civil workshop for carrying out repair works including servicing of dimmer and gears and refixing the same after repair complete all as specified and directed. Note:- The rate quoted by the contractor shall include the rate of T&P, transportation and necessary man power required during loading and unloading.

Opening the top cover of voltage stablizer taking out the complete servo stablizer oil and keep it for reuse and taking out dimmer assembly and transformer assembly for checking the defects and carrying necessary repair work complete all as specified and directed.

S&F in replacement copper wound dimmer state unit of capacity 100KVA servo voltage stablizer complete all as specified and directed

S&F in replacement electronic cards including replacement of all worn out parts complete all as specified and directed.:-Servo motor complete with RC network

Micro switch complete all as specified and directed

RC Network for motor complete all as specified and directed

Carbon bushes complete all as specified and directed

M&L for construction brick masonry platform in replacement of for mounting transformer of 200 KVA to 400 KVA capacity of overall finish size 3mx3mx1.25 mtr high above ground level with fly ash bricks wall 230mm in CM 1:4 PCC 1:4:8 type D2 (using 40mm graded stone agregate) top of the platform finished even and fair without using extra cement including necessary form work, excavation in soft/loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 mtr and rendering 10 mm thick in CM 1:4 on all exposed vertical surfaces of platform wtih MS angle iron frame 50x50x6mm as in posts at an interval 1.2 mtr centre to centre and 2.25 mtr height duly grouted in PCC 1:3:6 type C-2 (using 40mm aggregate stone and painted with two coats of synthetic enamel paint over a coat of red oxide primer) alongwith 3 Nos Steps, complete all as specified and directed.

S&F Battery bank power pack 12 volt ,12 AH of voltage 230/110 volt input AC and 110 V output DC complete all as specified and directed.

S & Fix in replacement lightning arresters expulsion type complete with all fittings , 65 KA discharge capacity ,distribution class complete all as specified and directed.

Taking down transformer of any capacity from plinth including disconnecting from HT and LT connection and reinstallation in specified near by area complete and Remounting on plinth and Reinstallation complete all as specified and directed.NOTE:Cost of crane/hydra and labour included in quoted rate.

D K THUKRAL AND SONS

R D Bansal