REPAIRS / REPLACEMENT OF 11 KV HT UG CABLE, MAINTENANCE OF TRANSFORMER AND CONNECTED DISTRIBUTION SYSTEM IN KAMPTEE AND NAGPUR AREA UNDER GE KAMPTEE

Amount

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5m deep for laying of cable, poles, stay etc., and getting out in any type of soil, complete all as directed.

Excavation of road/ floor cutting by manually for laying of cables including making good to distributed surface to match with the existing surfaces by PCC (1:2:4) type B1 concrete, finished the surface even and fair, after laying of cable/ GI pipe in trenches etc., complete all as specified and directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick using approved excavated soil after laying and testing of cable complete all as directed and specified.

Removing of excavated soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and as directed.

Supply and fix double wall corrugated High Density polymer Ethyl (HDPE) pipe for laying of electric cable of size 63mm outer diameter and 51mm inner diameter with IS 14930 (Part-II)-2001 and 6mm thickness, with and including bends, sockets and other accessories, laid in trenches/ ducts/ along wall / under road etc., complete all as directed and specified.

Supply and fix double wall corrugated High Density polymer Ethyl (HDPE) pipe for laying of electric cable of size 120mm outer diameter and 103.5mm inner diameter with IS 14930 (Part-II)-2001 and 6mm thickness, with and including bends, sockets and other accessories, laid in trenches/ ducts/ along wall / under road etc., complete all as directed and specified.

Taking down unserviceable underground HT/LT cable of any size from trenches, walls, floors etc.,and removing from site, complete all as directed by Engineer-in-charge.

M&L for XLPE HT insulated screened, PVC bedded, galvanised steel strip armoured, electric power cables (heavy duty) with aluminium conductor, 11000 Volts earthed grade cross sectional area of 3 core 95 Sqmm laid in trenches and testing complete all as specified and as directed by Engineer-in-charge.

Supply & laying XLPE LT insulated, PVC sheathed, armoured, electric power cable, heavy duty, 1100 Volt grade, with stranded aluminium conductor laid in trenches or fixing in walls / poles or drawing through pipe etc. including testing after laid and jointed, complete all as specified and as directed for the following sized:- (a) Cross sectional area 120 Sqmm X 3.5 Core

(b) Cross sectional area 35 Sqmm x 3.5 Core

(c) Cross sectional area 25 Sqmm x 4 Core

(d) Cross sectional area size 16 Sqmm x 4 Core

(e) Cross sectional area size 10 Sqmm x 4 Core. Note for item No.14 to 18: Earthwork Excavation, returning filling and removing shall be measured and paid for separately under respective items.

Supply and fix drop out fuse unit suitable for 11000 Volt mounted on MS channel complete with post insulator fuse barrel (fibre glass tube) etc for 3 phase as in repairs, complete all as specified and as directed.

M & L for Air break gang operated triple pole switch for current rating upto 200 Amps, mechanically operated mounted on insulator and steel frame outdoor type suitable for vertical installation single brake provided with locking arrangement, consisting of MS channel , HT post type insulator, copper lugs complete including taking down of existing unserviceable air break switch complete all as specified and as directed.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable of size 50 -95 Sqmm, for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 Core XLPE armoured aluminium conductor cable, as in repairs, complete all as specified and as directed.

Supply and fix cable end termination suitable for XLPE, underground cable, 50-95 Sqmm x 3 Core, 11000 volt, heat shrinkable type outdoor type end termination, as in repairs, complete all as specified and as directed.

Supply and fix cable end termination suitable for XLPE, underground cable, 120-185 Sqmm x 3 Core, 11000 Volt, heat shrinkable type outdoor type end termination, as in repairs, complete all as specified and as directed.

M&L for Spray painting to existing LT Panel of any capacity, applying with two coats of approved colour synthetic enamel paint, including dusting, cleaning of existing dust before applying synthetic enamel paint and writing LT panel / feeder pillar name with approved colour synthetic enamel paint, complete all as specified and directed.

M&L for Spray painting to existing Transformer of capacity form 50 KVA to 315 KVA, applying with two coats of approved colour synthetic enamel paint complete including dusting, cleaning of existing dust before applying synthetic enamel paint and writing MES No. capacity of transformer with approved colour synthetic enamel paint complete all as specified and directed.

Supply and fix thermoplastic cable junction boxes IP 55/IP65 with metric knockout for cable entry of size 200 x 160 x 98 mm fixing on pole with 30 x 5 mm MS clamps, nut bolts, washers, terminal block with & including one MCB SP 6-32Amps and glands suitable for 16 Sq mm core cable, all as specified and directed by E-in-C. Make: HENSEL or equivalent in Neptune

Material and Labour for Earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground vertically to a depth not less than 2.25m below ground level with top edge of earth plate not less than 1.5m below ground level connected to galvanized iron earth strip 32 x 6 mm by means of bolts, nuts, check nuts, washers of galvanized iron and connected to main switch/control board upto 7.5m away from the earth electrode including excavation earth work, PCC chamber, RCC cover slab char coal, watering pipe, wire mesh lugs, earth lead protection pipe 40mm bore, medium grade 7.5m long as applicable and as per plate No. 3 of SSR Part-I 2009 and all as specified. (a) Excavation and earth work in any type of soil. (b) Drilling of holes in electrode (c) PCC pit in cement concrete (1:2:4) type B-1 (d) 40 mm thick Pre-cast RCC cover or reinforcement with 8mm TMT bars at 100mm c/c both ways with suitable handle. (e) Funnel with watering pipe of GI 20 mm nominal bore, medium grade & copper lug etc. (f) 40mm nominal bore medium grade GI protection pipe 7.50 m long for protection of earthing lead. (g) Requisite quantity of charcoal and common salt. (h) Connection to earthing test point and testing on completion. (j) GI strip beyond 7.5m shall be measured separately.

M & L for galvanized iron strip 32x6mm for earth continuity lead fixed to pole or walls or both as or buried in ground or drawn through pipe or etc. as required for earthing complete all as specified and directed.

Carefully opening of the transformer cover along with the conservator by removing the nuts, bolts after removing the internal connections by taking them out by removing studs, bushings, including necessary repairs for the unserviceable transformers having ratio of 11/0.433 KV, removing of leakage of tank if any by welding and re assembling making the internal connections by fixing studs, bushing fitting the top cover by replacing cork sheet gasket along with conservator testing the transformer in the work shop or at site duly fitted lifting the transformer and loading and unloading at substation from substation to workshop and workshop to substation and transporting by vehicle if required. Making the connections of earthing and connecting the jumpers/cable, installation testing and commissioning of 50 KVA to 100 KVA capacity of transformers all as specified and directed by the Engr-in-Charge

Supply & fix in replacement of primary bushings with Brass Stud of suitable size outdoor model for the transformers of 100 KVA to 200 KVA capacities.

Supply & fix in replacement of Secondary bushings with Brass Stud of suitable size outdoor model for the transformers of 100 KVA to 200 KVA capacities.

Supply and fix breather assembly of transformer of various capacities filled with silica gel including taking out of unserviceable breather complete all as directed and size approved by Engr-in-Charge

Supply and fix in replacement of explosion vent diaphragm, complete all as directed by Engr-in-Charge.

Supply and fix in replacement of oil level indicator, complete all as directed by Engr-in-Charge.

Taking down distribution transformer upto 315 KVA 11KV/433 Volts carefully from position at Substation by disconnecting all the connections carefully, lifting the transformer by crane and transporting the transformer safely to the workshop for repair and back after repair and placing in original position, connecting up and testing complete all as specified and as directed.

Dismantling the 11/0.433 KV up to 315 KVA transformer by opening the cover and taking out carefully the tap changer, primary and secondary coils from the core and washing the core with solution, draining out the transformer oil, cleaning the tank to remove all sludge and dirt’s and cleaning all healthy parts and painting the tank internally with oil resistant paint all complete all as specified and as directed.

M&L for Rewinding of HV Coil with copper wire (DPC of same gauge and size), re-assembling of newly wounded coil on core in position all as specified and directed by Engr -in -Charge

M&L for Rewinding of LV Coil with copper wire (DPC of same gauge and size), re-assembling of newly wounded coil on core in position all as specified and directed by Engr -in -Charge

M&L for re-insulation of secondary winding HV/LV coil complete with new insulating material (Double paper covering insulation) including fixing the coil to its position all as specified and directed by Engr -in -Charge

Baking of HV and LV coils in electric oven for drying to transformer coils after rewinding and re-insulation complete all as specified and as directed.

Reassembling the 11/0.433 KV transformer by placing the dried HV and LV coils in the core of the transformer and magnetic balancing of coils, refitting the tap changer and connecting including brazing, soldering, sleeving including filling old transformer oil, changing gasket and refixing the top cover with conservator tank and testing the transformer in all respect. complete all as specified and directed.

Material and labour for OFF LOAD Filtration and dehydration of transformer oil complete through filtration plant to achieve the dielectric strength of oil not less than 50 KV complete all as specified and directed.

Material & labour by refilling New Transformer Oil, complete all as specified and as directed.

S & F HT cable route indicator made out of 45 X 45 X 6 mm MS angle of length 60 cm and bolted with round CI plate of suitable size indicating HT cable 11000 V complete including excavation & grouting by PCC 0.3x0.3x0.3 mtr, all as directed by Engr-in-Charge.

M&L for PCC 1 : 3 : 6 Type C-1 (using 20 mm graded stone aggregate), as in coping, including necessary form work weathering slightly or chamfered angles, throating exposed surfaces finished even and fair, complete all as specified and as directed.

M&L for testing of faulty HT cable at Kamptee and Nagpur area by using HT high voltage testing kit installed on movable vehicle including necessary excavation & earthwork , complete all as specified and directed by Engineer-in-Charge.

NOTE :- SCHEDULE OF CREDIT (Amount shall be deducted offline from the total quoted amount to workout the net contract sum to be considered for acceptance.) [(-) Rs.70,890.00 /- ]

Paragon Electrotechnics

Vaidehi E Link

Bidder Name

Sharma Electrical and Services

Paragon Electrotechnics

Vaidehi E Link