REPAIR/ MAINTENANCE OF HT/LT INSTALLATIONS AT U AREA AND CERTAIN LOCATION UNDER GE SUKNA

Amount

Excavation in trenches in soft/ loose soil not exceeding 1.5 metre wide and not exceeding 1.5m in depth for laying of LT under ground cables/ pipes/stay assembly and not exceeding 10 Sqm on plan & 1.5 metre in depth for pole etc, complete all as specified and as directed by the Engineer-in-Charge.

All as per item No. 1.00 above but depth exceeding 1.50 metre and not exceeding 3.00 metre.

Returning, filling in, with approved earth (retrieved from excavation after removal of grass, vegetation etc) including spreading, watering and well ramming in layers not exc 25cm thick in layers, complete all as specified and as directed by the Engineer-in-Charge.

Removal of surplus soil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point, complete all as specified and as directed by the Engineer-in-Charge.

M& L for Sand cushioning in trenches/ existing cable trenches for cushioning of underground cable including spreading, levelling, well ramming in layers not exceeding 25cm in thickness, completeall as specified and as directed by the Engineer-in-Charge.

Supplying and laying factory made (Make as approved by the GE) pre cast unreinforced concrete cable cover of class HV, type 1, flat size 300mm x 180 mm x 40 mm for cable protection in trenches, complete all as specified and directed.

M&L for cement concrete in foundation filling and mass concrete type D2 (1:4:8) using 40 mm graded crushed stone aggregates, complete all as specified and directed.

M&L for cement concrete in foundation filling and mass concrete type C2 (1:3:6) using 40 mm graded crushed stone aggregates, complete all as specified and directed.

M & L for cement concrete (1:2:4) type B-1 (Using 20mm graded crushed stone aggregates) for coping of pole etc including provison of necessary form work, complete all as specified and directed.

S & F in repairs Steel Tubular Poles complete with and including cast iron base plate, finial taper plug, bolts , nuts & screws, type 410 SP-55(11 Metre long), also including painting to the external exposed surfaces with 2 coats of aluminium paint over 1 coat of red oxide primer and with 2 coats of black bituminous paint over 1 coat of red oxide primer to the external exposed surfaces of steel poles embedded in the ground / concrete after preparation of the surfaces, numbering to the poles, complete in all respect as specified and as directed.

S & F in repairs prestressed concrete pole, 9.0 metres long. 102mm x 172mm at top and 12mm x 279mm at bottom, class 10, complete in all respect as specified and as directed. Note for item no 10 to11:- Excavation & Earth Work, concrete for foundation and coping shall only be measured and paid for separately.

Supply and fixing mild steel galvanised stay assembly set complete comprising of 14mm dia, 400mm long stay bow, 2150mm long stay rod 20mm dia, 300mm x 300mm x 6mm stay plate, thimble, all as shown in electrical plate No.1 of MES Schedule part-I 2010 complete including dismantling and taking out old damaged stay complete all as directed. Note:- Excavation & Earth Work, concrete for foundation and isulator shall only be measured and paid for separately.

M&L in replacement Switch Air Break, Gang operated, Triple Pole, Mechanically Operated, mounted on insulators and Steel Frame Single Break Insulators suitable ofor Out door Vertical Mounted complete with Manual Operating Mechanism made and operation from GL including 25mm bore GI pipe heavy duty and handle Arching Horns and Terminal Connectors for ACSR Conductors conforming to IS-1818/72 and 9921/85 with 3 Isolator Per Pole of Capacity 400 Amp, 11 KV Operation including necessary Adjustment and making Holes on Mild Steel Angle and Testing complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement D O(Drop out) fuse unit, double stack, channel type, 3 pole, 11 KV, grade of 400 Amps capacity, channel mounted, complete all as specified and directed.

Taking down and repairing/overhauling of air break gang operated switch with DO fuse unit 200 Amp/400 Amp capacity triple pole mechanically operated mounted on insulators and steel frame installed vertically / horizontally , replacement of broken/worn-out components, oiling and greasing of mechanical moving parts, smoothing and polishing of electric contacts with providing conducting jelly of contacts refixed the same after repair including proper allienment to make the Air Break Switch fully functional to the entire satisfaction of the GE, complete all as specified and directed. Note: Cost of all the materials, labour and other elements to make the entire system serviceable shall be deemed to be included in the quoted rate and only payment for supply only of the items listed here-in-below shall be measured and paid for separately in case these are ordered and provided as directed.

Supply female contact or fixed contact heavy duty and high conductive metal complete capacity 200A/400 Amp11 KV, complete all as specified and directed. Make Rastriya/Jaipuria or equivalent make as aproved by GE.

Supply male contact or Moving contact heavy duty and high conductive metal complete capacity 200A/400Amp 11 KV, complete all as specified and directed. Make Rastriya/Jaipuria or equivalent make as aproved by GE.

Supply Tinned copper flexible jumper 200A/400A, complete all as specified and directed. Make Rastriya/Jaipuria or equivalent make as aproved by GE.

Supply fixed top contact & Fixed bottom contact 11 KV 400 Amp for DO fuse unit, complete all as specified and directed. Make Rastriya/Jaipuria or equivalent make as aproved by GE.

Supply fiber glass tube with metalic fittings both ends suitable for DO fuse 11KV, complete all as specified and directed. Make Rastriya/Jaipuria or equivalent make as aproved by GE.

Supply only mild steel jumper carrier, complete all as specified and directed.

Supply only back connector plate, complete all as specified and directed.

Supply post insulator 11 KV, complete all as specified and directed.

M&L in replacement Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp, 11 KV complete all as specified and as directed. Make:BHEL / CG /BHARAT BIJLEE /OBLUM / PRAGATI .

Supply and fixing new aluminium conductor steel reinforced (ACSR), stringing and jointing on poles including providing clamps/nut and bolt/binding wire etc and dismantling of old one. complete all as specified and as directed. Note :- (i) Weight of ACSR or all aluminium conductor drawn for OH lines is to be measured by measuring tap horizontal distance between centres of two addacent poles and compounding the weight of conductor of that size and length and 3 % extra added for sag, jointing, jumpers and binding etc. (ii) Weight of conductor shall be calculated from tables given in the relevant I.S.

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 shape or size as indicated or directed and inclusive of preparation of exposed surfaces, application of one coat of red oxide primer and thereafter 2 coats of alluminium paint including dismantling of old one, complete all as specified and directed.

S&F in repairs Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with and including M.S.clamps, bolts and nuts of approved size for 11 KV HT, 25x20cm size, complete all as specified and directed.

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

M & L in replacement shackle type, porcelain, vitreous, white, brown or green insulators 150mm dia and 150 mm height for working pressure 11000 volts including galvanised mild steel strap 38 x 5 mm size, washers, 20mm dia insulator bolts, washers & nuts complete all as specified and as directed.

M & L in replacement disc type insulator, porcelain, vitreous, white, brown or green insulator ( Single disc assembly ) of size 145 mm height, 255 mm dia ball socket type for working pressure 11 kv volts grade including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut, complete all as specified and as directed.

M & L in replacement loop type, porcelain, vitreous, white, brown or green insulator large type 140 mm , clearence of hole 25.5 mm for 11000 volts grade, complete all as specified and as directed.

M & L in replacement vice type connectors of size 4 to 7 mm dia consisting of two brass plates and two steel bolts and nuts for two conductor of equal or unequal sizes for non tension connections including treatment of connector and ACSR conductor with conducting jelly, complete all as specified and as directed.

M&L for carrying out the repairs to transformer, 11/0.433KV, 100 to 160 KVA indoor / outdoor type , plinth / pole mounted type including the following work services with disconnection of HT/LT connection and earth connection under mentioned capacity from primary / secondary side , transportation to work shop if required , openinig of the transformer in the presence of department rep , preparing inventories for the serviceable and unservuceable parts ,decantling transformer oil , storing the same in suitable container safely , opening the top cover , disconnection of the live parts , dismentling bushing , lifting core assembly , cheking the winding slackness , winding burning , distortion of core , cleaning and drying the tank , core , varnishing , backing by oven heating , cleaning of tank conservator , cooling tube and including necessary leak testing , lowering of complete core assembly inside the fully cleaned transformer after carrying out repairs , refiling of the tank with serviceable oil and new transformer oil ifvrequired , transporting back of the repaired transformer to the site , re-installation at the original position , making connections of cables on primary / secondary side , commissioning and again testing the Transformer, all as specified and directed.

M&L for carrying out the repairs to transformer, 11/0.433KV, 200 to 300 KVA indoor / outdoor type , plinth / pole mounted type including the following work services with disconnection of HT/LT connection and earth connection under mentioned capacity from primary / secondary side , transportation to work shop if required , openinig of the transformer in the presence of department rep , preparing inventories for the serviceable and unservuceable parts ,decantling transformer oil , storing the same in suitable container safely , opening the top cover , disconnection of the live parts , dismentling bushing , lifting core assembly , cheking the winding slackness , winding burning , distortion of core , cleaning and drying the tank , core , varnishing , backing by oven heating , cleaning of tank conservator , cooling tube and including necessary leak testing , lowering of complete core assembly inside the fully cleaned transformer after carrying out repairs , refiling of the tank with serviceable oil and new transformer oil ifvrequired , transporting back of the repaired transformer to the site , re-installation at the original position , making connections of cables on primary / secondary side , commissioning and again testing the Transformer, all as specified and directed.

M&L for carrying out the repairs to transformer, 11/0.433KV, 400 to 500 KVA indoor / outdoor type , plinth / pole mounted type including the following work services with disconnection of HT/LT connection and earth connection under mentioned capacity from primary / secondary side , transportation to work shop if required , openinig of the transformer in the presence of department rep , preparing inventories for the serviceable and unservuceable parts ,decantling transformer oil , storing the same in suitable container safely , opening the top cover , disconnection of the live parts , dismentling bushing , lifting core assembly , cheking the winding slackness , winding burning , distortion of core , cleaning and drying the tank , core , varnishing , backing by oven heating , cleaning of tank conservator , cooling tube and including necessary leak testing , lowering of complete core assembly inside the fully cleaned transformer after carrying out repairs , refiling of the tank with serviceable oil and new transformer oil ifvrequired , transporting back of the repaired transformer to the site , re-installation at the original position , making connections of cables on primary / secondary side , commissioning and again testing the Transformer, all as specified and directed. Note for item No. 34 to 36:-(i) Dehydration of oil and new Transformer oil shall be measured seperately . (ii) Transportation of Transforme measured and paid seperately. (iii) HT & LT Busing, Tap Changer will be measured & Paid separataly. (iv) In case HV / LV Winding found damages then Contactor shall be made serviceable with new winding and the same will be measured and paid seperately . (v) The rate of corck sheet & Packing Material for following cap of transformer are included in coted rate . (vi) 'Cost of transportation from site to workshop & back, rewinding of transformer and all the spares shall be measured & paid separately as supply only of the items listed here-in-below. Cost of labour and other elements to make the entire system serviceable shall be deemed to be included in the quooted rate'

Transportation of following cap transformer from site to work shop and back including necessary arrengement of Crane / Vehicle .

100KVA to 160KVA capacity, 11/0.433 KV.

200KVA to 300KVA capacity, 11/0.433 KV.

400KVA to 500KVA capacity, 11/0.433 KV.

Supply only porcelain bushing on HT side, copper stud assembly as per the existing duly threaded at both ends with and including oil seal, heavy gauge brass nuts, washers suitable for the following capacity of transformers, complete all as specified and as directed.

100KVA to 160KVA capacity, 11/0.433 KV.

200KVA to 300KVA capacity, 11/0.433 KV.

400KVA to 500KVA capacity, 11/0.433 KV.

Supply only porcelain bushing on LT side, copper stud assembly as per the existing duly threaded at both ends with and including oil seal, heavy gauge brass nuts, washers suitable for the following capacity of transformers, complete all as specified and as directed.

100KVA to 160KVA capacity, 11/0.433 KV.

200KVA to 300KVA capacity, 11/0.433 KV.

400KVA to 500KVA capacity, 11/0.433 KV.

Supply only off load tap changer switch for transformer of capacity 100 to 160 KVA to match with the existing and as approved by GE, complete all as specified and as directed.

Supply only off load tap changer switch for transformer of capacity 200 to 300 KVA to match with the existing and as approved by GE, complete all as specified and as directed.

Supply only off load tap changer switch for transformer of capacity 400 to 500 KVA to match with the existing and as approved by GE, complete all as specified and as directed.

Vaccume dihydration with hot filteration plant of old transformer oil at different locations, after filteration, Di electric strength shall not be less than 40 KV in 2.5 mm gap electrode, complete all as specified and as directed. The contractor shall submit necessary Test Report for Di electric strength before dehyderation as well as after dehyderation from CPRI /Govt approved Lab as per relevant IS. The contractor's quoted rates shall also be declered to include for this element. Note:- (i) Transformer Oil after dehyderation shall be measured and considered for the payment under the item. (ii) The contractor must have own one dehydrated hot Vacuum Filtration plant of miniumum filtration capacity 1000 ltr/hr. Tranformer oil Filtration plant with a provision of oil test set for immediate showing result. The plnt must have provision of on load filtration.

Supply only transformer Oil EHV conforming to IS-335 of 1993 (make : POWER OIL/HP/BP) for toping up /oil change of Transformers of any capacity at different locations, complete all as specified and as directed. Notes:- (i) The dielectric strenght of the transfomer oil shall not be less than 40 KV in 2.5mm gap electrode. (ii) Quoated rate shall also be deemed to include for testing of transformer oil from CPRI / Govt. approved lab as per relevant IS and submission of necessary test reports.

Removing of existing damage insulating material from LV Winding , Cleaning the winding and reinsulating the LV Winding with approved grade and make of insulating paper and heating the coil in the heat chamber to obtained desired result of insulating resistence complete and re-installation .

M&L for rewinding of HV / LV side copper winding with super enammeled copper wire/strip of existing size , gauge and weight of approved grade wire including necessary insulating material and heating the coil in the heat chamber to obtained desired result of insulating resistence, complete all as specified and as directed. Note:- Gauge and quality of copper wire shall be as per existing and got approved from GE before incorporation.

S&F in repair of glassy, hard, irregular shaped granules with high purity (dry basis) silica gel of superior quality of 5 to 10 mm grade confirming IS 3401/2003, complete all as specified and directed.

S&F in repair of breather assembly having transparent MS body with top and bottom portion pressed with mettalic cover, suitable for fixing on existing pipe of size and transformers , complete all as specified and as directed. Note: Cost for provision of silica gel included in the scope of above items.

S&F in repair of winding tempreture gauge for Transformer 0 - 150 C , complete all as specified and as directed.

Dismantling of defective 11 KV VCB ,400/800 Amps, Indoor VCB panel (Make: SCHNEIDER/ Crompton Greeves), servicing, repairing / replacement (as directed) of the unserviceable items such as closing / tripping coil assembly, spring charging motor and gear assembly, master trip relays, supervision trip relays, over current relays, overhauling and including rectification of the electrical & mechanical fault by the Service Engineer / Authorised Personnel of the Company after necessary cleaning and providing silicon grease to all the moving parts, also including adjustment of all springs /relays etc, commissioning of 11 KV VCB Panel CT,PT, Relays, VCB testing including CRM,Timer,IR Testing in VCB and ratio primary, IR, winding resistance, polarity testing in CT and PT and secondary current injection with 03 setting & tripping test with timing in relays and applying control voltage & testing all scheme logic with on/off trip operation, also checking metering and protection and annunciation with indication kit, making the VCB Panel and Testing of CT ratio, polarity test and connection of CT100-50/5 +5A by primary injection complete and Calibration of IDMT relay over current, earth fault and under voltage 100-50/5 +5A secondary injection complete and Preparation of surface of VCB panel board cubical in shape and applying one coat of SFRC paint.. (including VCB, its components, entire system) 100% serviceable, complete in all respects as specified and directed. Note: - Cost of all the materials, labour and other elements to make the entire system serviceable shall be deemed to be included in the quoted rate and only payment for supply only of the items listed here-in-below shall be measured and paid for separately in case these are ordered and provided as directed. The make of the items /materials shall be as specified in the item(s)and in case not specified, the same shall be of make SCHNEIDER or as per existing suitable to match with the existing VCB system as directed by the Engr-in-Charge.

Supply only digital Ampere Meter ( Make schneider or equivalent.) suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only digital Volt Meter ( Make schneider) suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only over current relay and earth fault relay ( Make Schneider, Type Micon P111) suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only master trip relay ( Make Alstom) suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only supervision trip relay/ Trip chat healthy ( Make Alstom) suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only single phase PT suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only single phase PT fuse suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only space heater 230V, AC 100W suitable for 11KV 400A / 630 A Ssuitable for VCB Panel, complete all as specified and directed.

Supply only multi voltage type indicator lamp suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only tripping coil 110V DC suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only closing coil 110V DC suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only spring charging gear motor 230V AC suitable for 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply only buffer suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only TNC switch suitable for 11KV 400A VCB Panel, complete all as specified and directed.

Supply only digital type multifunction meter of size 96 x 96mm (Make : SCHINEIDER) suitable for 11KV 400A VCB Panel, complete all as specified and directed

Supply only 11 KV CTs having CT ratio 100-50/5 +5A and output & accuracy class Core 1: 15 VA/CL1.0 and Core 2 :15 VA/5P10, STR: 13.1 KA for 1 sec, BIl 28/75KVP Frequency : 50 Hz, conforming to IS : 2705 1981. Make: Existing model of Crompton Greaves or equivalent.

Supply only post insulator suitable for 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply only Vaccum interrupted for 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply only Auxiliary contractor 110 v DC 4 NO + 4NC. For 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply only Diot for charging gear motor for 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply only Limit Switch for 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply only Play relay 110 volts DC for 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply only Play relay base for 11KV 400A/ 630A VCB Panel, complete all as specified and directed

Supply, installation, testing and commissioning of unarmoured, PVC insulated & sheathed, 1100 Volts grade control cable with FRLS, solid copper conductor, 2.5 sqmm 4 core for VCBs, remote control units including taking down old unsv, complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for preparation of old rusted steel exposed surfaces of HT swaged poles of 11m length, cross arms, brackets etc mounted on poles, applying one coat of synthetic enamel paint upto 1.2 metre height as per the existing pattern above the P.C.C coping & one coat of aluminium paint beyond 1.2 metre height (for the remaining exposed surfaces) of the poles as well as on the exposed surfaces of cross arms, brackets etc mounted on the poles, re-writing pole numbers and cutting vegetation growth all around the poles upto 1 metre radius, including replacement of self adhesive fluorescent colour tape as per existing pattern and size, complete all as specified and directed

Material and labour for preparation of old rusted steel exposed surfaces of HT two pole structure of 11m length, cross arms, brackets etc mounted on poles, applying one coat of synthetic enamel paint upto 1.2 metre height as per the existing pattern above the P.C.C coping & one coat of aluminium paint beyond 1.2 metre height (for the remaining exposed surfaces) of the poles as well as on the exposed surfaces of cross arms, brackets etc mounted on the poles, re-writing pole numbers and cutting vegetation growth all around the poles upto 1 metre radius, including replacement of self adhesive fluorescent colour tape as per existing pattern and size, complete all as specified and directed.

M & L for cleaning , scraping out old rubbed paint / rust & Painting of transformer complete of capacity up to 63 to 250 KVA 11/.433 KV outdoor / Indoor type with one coat of spray painting with synthetic enamelled gray paint (first grade) by spray painting machine on transformer & Making SM NO on surface of transformer complete all as specified and directed.

M & L for cleaning , scraping out old rubbed paint / rust & Painting of transformer complete of capacity up to 300 to 500 KVA 11/.433 KV outdoor / Indoor type with one coat of spray painting with synthetic enamelled gray paint (first grade) by spray painting machine on transformer & Making SM NO on surface of transformer complete all as specified and directed.

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to galvanised earth lead of GI strip 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, complete all as shown in Electrical Plate No. 3 of SSR Part-1 and connected to earthing test point and including dismantling of old one, complete all as specified and directed. Note: The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C-1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, 20 mm bore light grade GI watering pipe, 40 mm bore GI medium grade earth lead rotection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

M&L earthing complete with copper earth plate electrode of size 600 x 600 x3.15 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to copper earth strip of size 20x3 mm by means of bolts, nuts, check nuts and washers of copper, complete all as shown in Electrical Plate No. 3 of SSR Part-1 and connected to earthing test point and including dismantling of old one, complete all as specified and directed. Note: The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C-1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, 20 mm bore medium grade GI watering pipe, 40 mm bore GI light grade earth lead rotection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

M&L earthing complete with galvanised steel pipe electrode, 40mm bore, medium grade, 2.5 metres length, buried directly and preferably vertically in ground with top edge not less than 1.25 metres below ground level connected with earthing lead of 4mm dia galvanised iron or steel wire all as shown in Plate No. 2 to the earthing test point all as specified and indicated including testing on completion and including dismantling of old one, complete all as specified and directed. Note: The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C-1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, 20 mm bore medium grade GI watering pipe, 40 mm bore GI light grade earth lead rotection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

M & L for PCC earth pit chamber of internal dimension 300x300x300 mm and having wall thickness 100 mm using PCC 1:2:4 type B1 alongwith RCC 1:2:4 type B1 precast cover 50mm thick reinforced with 8 mm TMT bars both way & 100mm C/C including one lifting handle and dismantling of old one complete all as specified and directed.

M&L for earth continuity conductor or main earthing lead of size 32X6 mm galvanized iron strip fixed and joint with existing earthing and / or for any other situation in loop earthing etc including dismantling of existing one, complete all as specified and as directed by the Engineer-in-Charge.

Supply, jointing and testing in repairs, cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination, heat shrink type joint, complete with and including jointing materials and accessories suitable for 11KV XLPE insulated armoured aluminium conductor cable of size 95 Sqmm 3 core, complete all as specified and as directed by the Engineer-in-Charge.

Supply, jointing and testing in repairs, cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination, heat shrink type joint, complete with and including jointing materials and accessories suitable for 11KV XLPE insulated armoured aluminium conductor cable of size 120 Sqmm to 185mm, 3 core, complete all as specified and as directed by the Engineer-in-Charge.

Supply, jointing and testing in repairs straight through cable jointing kit (Heat shrinkable type) for 11 KV (Earthed) grade cable complete with and including jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sqmm and also including provision of aluminium thimbles, complete all as specified and as directed by the Engineer-in-Charge.

Supply, jointing and testing in repairs straight through cable jointing kit (Heat shrinkable type) for 11 KV (Earthed) grade cable complete with and including jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm and also including provision of aluminium thimbles, complete all as specified and as directed by the Engineer-in-Charge.

Supply, laying and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, HT electric power cables (heavy duty) with aluminium conductor 11000 volts grade (Earthed) of size 95 sqmm 3 core and including taking down old unsv, complete all as specified and as directed by the Engineer-in-Charge. Note for item no 654 to 65:- Excavation and earth work, sand cushioning, protection covers, protection pipes and jointing kits including jointing materials shall be measured and paid separately under relevant items.

Supply, laying and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, HT electric power cables (heavy duty) with aluminium conductor 11000 volts grade (Earthed) of size 120 sqmm 3 core and including taking down old unsv, complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing GI tubing, light grade, 100mm bore for protection of cable, under road crossing, across drain, along electric pole or floor /wall etc, complete including taking out existing pipe, complete all as specified and as directed by the Engineer-in-Charge. Note item no 66 to 67 : Excavation & Earth work shall be measured & paid for separately.

Supply and fixing GI tubing, light grade, 150mm bore for protection of cable, under road crossing, across drain, along electric pole or floor /wall etc, complete including taking out existing pipe, complete all as specified and as directed by the Engineer-in-Charge.

M&L HT Cable rout indicator made out of PCC Post of 1:2:4 of size not less than 20 x 15 cm and one meter height with making embossing the following letters of size 100 mm in the PCC Post " HT CABLE " including necessary excavation and PCC 1:2:4 (30 X 30 x 30 CM ) for embeding in the ground including demolition of old one , complete all as specified and as directed by the Engineer-in-Charge.

Supply and laying in repair synthetic rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652 suitable for electric shock safety of size 2m x 1 m , complete all as specified and as directed by the Engineer-in-Charge.

Supply, installation, testing and commissioning of Tap off box 400 Amp capacity,4 pole, 415 V AC suitable for existing busbar bar trunking system including fixing arrangement and including taking down old unsv one, complete all as specified and as directed.

Supply, installation, testing and commissioning of Tap off box 250 Amp capacity,4 pole , 415 V AC suitable for existing busbar bar trunking system including fixing arrangement and including taking down old unsv one, complete all as specified and as directed by the Engineer-in-Charge.

KARMIBRINDA (BID ID -3256381)

M/S DAWN ELECTRICAL INDUSTRIES (BID ID -3256116)

Janata Enterprises (BID ID -3256660)

M/s B. K. Ghosh and Co. (BID ID -3256484)

R N SAH N CO (BID ID -3256292)