REPAIR / MAINT OF HT ELECTRIC SUPPLY AT MH JODHPUR IN ARMY AREA JODHPUR UNDER GE (ARMY) NO. 02

Amount

Excavation in trenches in loose / soft soil not exceeding 1.5 mtr in depth and not exceeding 1.5 mtr wide and getting out including trimming of sides, for laying of cables & foundation of poles, stay assembly, complete all as specified and directed by Engr-in-Charge.

Taking out old HT under ground cable from trenches / floor / road / pipe / pole of any size and description incl joint, complete all as specified and directed by Engr-in-Charge.

Supply, laying, testing and commissioning of semi conducting compound conductor screened PVC bedded galvanized steel strip or wire armoured XLPE insulated heavy duty 11000 Volts grade with stranded aluminium conductor of size 95 Sqmm x 3 core confirming to IS 7098 Part-II, suitable for earthed system complete all as specified and directed by Engr-in-Charge. Note : 1. The end termination joint shall be measured and paid separately under respective items. 2. Excavation, earth work, sand cushioning and protection cover will be measured and paid for separately.

M&L for sand cushioning with layer of sand 8cm thick before laying of cable and 10 cm after laying of cable in trenches complete all as directed to UG cable, complete all as specified and directed by Engr-in-Charge.

M&L for factory made un-reinforced pre cast concrete cable protection cover class HVP, Type 1 with peak, size 300mm x 180mm x 40mm laid across the cable (i.e. width of cover along the length of cable) for HT UG cable protection on the top of the sand cushioning, complete all as specified and directed by Engr-in-Charge.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm thick, complete all as specified and directed by Engr-in-Charge.

Removing excavated material to a distance not exc 50m and depositing where directed at a level not exc 1.5m above the starting point, complete all as specified and directed by Engr-in-Charge.

S&F of galvanized iron pipe of 100 mm nominal dia light grade fixed to poles with clamps nuts, bolts and washers or laid under road crossing or fixed to wall including painting with two coats of aluminium paint over a coat of red oxide paint, complete all as specified and directed by engineer-in-charge .Note : The cost of MS clamp, nut, bolt, washer and GI fittings etc shall be inclusive in the item rate.

Supply jointing and testing Outdoor type cable end termination joint (Heat shrinkable) suitable for aluminium conductor cable of size 240 Sqmm x 3 Core, 11000 Volts grade, complete all as specified and directed by Engr-in-Charge.

All as srl item No 9 here-in-before but indoor type for cable size of 240 sqmm 3 core complete all as specified and directed by Engr-in-Charge.

Supply jointing and testing outdoor type cable end termination joint (Heat shrinkable) suitable for aluminium conductor cable of size 95 Sqmm x 3 Core, 11000 Volts grade, complete all as specified and directed by Engr-in-Charge.

All as srl item no 11 here-in-before but indoor type for cable size of 95 sqmm 3 core complete all as specified and directed by Engr-in-Charge.

Supplying, fixing, jointing and testing cable jointing kit for 11KV (earthed system) grade cable for STRAIGHT THROUGH heat shrink type joint complete with jointing materials and accessories suitable for 95 Sqmm x 3 Core, 11000 Volts grade, complete all as directed.

M&L for dry, blue colour silica gel crystal impregnated with cobalt suitable for transformer breather complete all as specified and directed by Engr-in-Charge.

Dehydration/filtration of transformer oil of Transformers & Stabilizers of various capacities installed at MH Sub Station by disconnecting plants electrically for recirculation existing transformer oil with trolley mounted filtration plant till dielectric strength is not less than 50 KV complete all as specified and directed by Engr-in-Charge. Note:- (I) Test result will be recorded before & after filtration of oil.(ii) Contractor should make his own arrangement for oil filtration plant including transportation complete.(iii)Transformer oil for topping up will be measured and paid in relavant item as required.

Supply and Filling Transformer Oil of good quality for Topping Up transformers 500 KVA, 160 KVA & Servo voltage Stabilizer 100 KVA Capacity having dielectric strength not less than 50 KV , flash point not less than 135 degree C , having low viscosity for filling or replacing the old oil complete all as specified and directed by Engr-in-Charge.

M&L for disconnection of transformer from HT power supply, check all leakage portion at Transformer and clear all leakage to repair / replacement of gasket sheet or necessary welding if required including electric load balancing for 500 kVA transformer complete all as specified and directed by engineer-in-charge. Note :Necessary required gasket sheet or gas welding are included in quoted rate

S&F of breather assembly complete suitable for any model of transformer rating 500 KVA to air column of conservator tank complete all as specified and directed by Engr-in-Charge.

Supply and replacement of HV/LV Metal Parts suitable for indoor/outdoor type 500 KVA transformer complete with brass stud,brass nuts, brass cup and packing gasket complete all as specified and directed by Engineer-in-charge

Supply and replacement of HV/LV bushing suitable for indoor/outdoor type 500 KVA transformer complete with brass stud,brass nuts, brass cup and packing gasket complete all as specified and directed by Engr-in-Charge.

Supply and replacement of gasket and sundry items suitable for trasformer 500 KVA complete all as specified and directed by Engineer-in-charge.

Dismantling of cross arms, bracing, supports, clamps etc from MS structural steel sections complete all as specified and directed by Engr-in-Charge

M&L for cross arms, bracings, supports, clamps, angle iron, flats and back plates febricated from MS structural steel sections including nuts, bolts and washers of suitable sizes including welding, bending (cold or hot), drilling holes for bolts in any shape or size as indicated or directed and inclusive of two coats of aluminum paint over one coat of red oxide primer, complete all as specified and directed by Engr-in-Charge.

Dismantling & taking down insulator any type any size from HT pole complete all as specified and directed by Engr-in-Charge.

S&F Disc type Porcelain Insulator, vitreous brown , large size with overall dimension 90x140mm clearence of hole 25.5 mm ,working pressure 11000 volts complete all as specified and directed by Engr-in-Charge.

Dismantling the Existing Damaged Danger Notice plate from the HT Poles keeping away from site and M & L Danger notice plate of 1.6mm mild steel sheet , vitreous enamelled white ,with letters, figures and conventional skull and bones in signal red colour and fixed with MS Clamps,bolts,nuts of approved size for HT, 25x20 mm size complete all as specified and directed by Engr-in-Charge.

M & L Anti-Climbing device spike type fabricated out of MS bars ( round,square and flat) including nuts,bolts and washers weight 05 kg and welding into two halves made to shape to suit the cross section of the pole suitable for 11 KV RCC/Steel Tubular pole complete all as specified and directed by engineer-in-charge.

Dismantling & taking down of 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 specified and directed by Engr-in-Charge.

Supply & install testing commissioning Air Break Gang Operated switches vertical/Horizontal, Triple pole,mechanically operated,mounted on insulator and steel frame with operating mechanism worked from ground level, for current rating upto 400 amps,11000 volts complete all as specified and directed by Engineer-in-charge.

Dismantling old unserviceale Drop Out fuse set switches of any current rating and any volts complete all as specified and directed by Engineer-in-charge.

Supply & fixing Drop Out Fuse Set switches (set of three),mounted on insulator for 11000 volts complete all as specified and directed by Engineer-in-charge.

M&L Lightning Arresters expulsion type complete with all fittings , transmission class , discharge capacity 65 kilo Amp, 11000 Volts including taking down old U/s arrester complete all as specified and directed by engineer-in-charge.

M&L for hard core of broken stone aggregate not exc 63 mm including spreading, leveling etc in the HT switch yard / sub station area, complete all as specified and directed by engineer-in-charge. Note : (i) Before laying of stone aggregate at HT yard spray one time each hermicide in all area and after laying of stone aggregate spray hermicide second time so that no grass to be shown on the HT yard permanently

M&L for PCC (1:3:6) type C-2 using 40mm graded stone aggregate as in foundation filling and mass concrete, complete all as specified and directed by engineer-in-charge

M & L for preparing old painted steel or iron surfaces of HT Pole and connected accessories of any type and description by cleaning dirt, oil, grease etc, removing the old paint, rust by scratching with wire brush / emery paper etc, after disconnecting HT electric connection and apply two coat of aluminum paint over one coat of red oxide primer and writing of letter Pole / MES No etc of 10 cm height with yellow synthetic enamelled paint after making circular base with black synthetic enamelled paint and making all HT electric connections and testing the same, complete all as specified and directed by Engr-in-Charge.

M & L Detecting of fault of under ground cable any size and description by veh mounted computerised PULSE GENRATOR fault detector system to accertain correct location of fault and complete all as specified and directed by Engr-in-Charge.

Supply & Laying in replacement synthetic rubber insulating mat of size 2mx1mx2.5 mm for 11KV two/four pole structure complete all as specified and directed by Engr-in-Charge.

M & L for repairing of foundation of size 2m x2m x 1m of 160 KVA transformer after disconnecting all connection from txn by PCC work 1:2:4 with 20 mm graded stone aggregate including stone masonary,plastering with cement mortar 1:4, 15mm thick finished with floating coat of neat cement complete all as specified and directed by Engineer-in-charge.

M&L for replacement of UNSV Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metres below normal ground level, connecting to the GI earth strip 32x6 mm by means of bolts, nuts , check nuts and washers of galvanized iron and steel earth wire protected by provision of GI light grade pipe 40 mm bore including provision of concrete pit made from PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) with 40mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 1.50 metre long placed on top edge of earth plate, common salt & charcoal filling, with fixing arrangement , funnel, wire mesh and earth work in hard/dense soil , returning filling in and removal of surplus soil to a distance not exceeding 50 metres, all as per electrical plate No 3 of SSR 2009 Part-I and connecting to LT Panel / DG Sets / Voltage Stabilizer / Building all as specified or indicated including testing on complete all as specified and as directed by Engineer-in-Charge.

Supply & fixing 200 amp PVC flexible fuse ring Jumper yellow/red colour suitable for existing GO/DO 11KV two/four pole structure complete all as specified and directed by Engr-in-Charge.

Nvimal Engineers and Contractor (BID ID -3176913)

Sachiyay maa Electricals (BID ID -3177048)

Shri Electrical Enterprises (BID ID -3175398)