REPAIR AND MAINTENANCE OF EXTERNAL ELECTRIFICATION, INSTALLATIONS, CABLES AND OTHER CONNECTED ITEMS AT AF STN MULLANPUR UNDER AGE (I) AF HIGHGROUNDS

Amount

Disconnecting carefully & taking out defective underground cable any size , any type from trenches, pole, pipe, floor, wall etc including cover bricks complete all as specified and directed.

Taking down /Dismantling insulators, lightning arrestor any type, any size complete all as speciied and directed.

Dismantling and taking down old unsv GOD complete all as specified and directed.

Taking down /Dismantling LT Panel/Busbar panel any type, any size complete all as speciied and directed.

Excavation in trenches in soft/loose soil not exceeding 1.5 metre wide and not exceeding 1.5 metre deep for laying/taking out cables and foundation of poles etc. and getting out, complete all as specified and as directed.

Returning, filling in trenches (any type of soil), including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick each layer complete all as specified and as directed.

Removal of surplus excavated 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.

Demolition of cement concrete of any description in any postion not otherwised specificaly provided as in flooring, roof pading etc. and removal of debries out side the MoD land to a place allocated by the Civil Adminsitration complete all as specified and as directed.

Material and labour for 150 mm thick PCC (1:2:4) type B-2 using 40 mm graded stone aggregate as in path /hardstanding finished even and fair complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C-2 using 40mm graded stone aggregate as in foundation, filling and mass concrete for pole and stay complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning of High Tension (HT), 11000 Volts (earthed) grade, XLPE insulated, screened, PVC bedded, galvanized steel strip armoured, electric power cable (heavy duty) with stranded aluminum conductor, cross sectional area 95 Sqmm, 3core under ground cable including both side connection with cable lugs etc, laid in trenches, along poles or passing through pipes or laid under floor or through walls etc, complete all as specified and as directed.

Supply and laying, jointing and testing XLPE underground cable insulated, overall sheathed with aluminium conductor heavy duty 1100 volts grade 25 sqmm 3.5 core laid in trenches/ on poles/ road crossing or passing through existing/new pipe under road crossing, clamping on wall complete all as specified.

Supply and laying, jointing and testing XLPE underground cable insulated, overall sheathed with aluminium conductor heavy duty 1100 volts grade 35 sqmm 3.5 core laid in trenches/ on poles/ road crossing or passing through existing/new pipe under road crossing, clamping on wall complete all as specified.

Supply and laying, jointing and testing XLPE underground cable insulated, overall sheathed with aluminium conductor heavy duty 1100 volts grade 50 sqmm 3.5 core laid in trenches/ on poles/ road crossing or passing through existing/new pipe under road crossing, clamping on wall complete all as specified.

Supply and laying, jointing and testing XLPE underground cable insulated, overall sheathed with aluminium conductor heavy duty 1100 volts grade 70 sqmm 3.5 core laid in trenches/ on poles/ road crossing or passing through existing/new pipe under road crossing, clamping on wall complete all as specified.

Supply and laying/fixing GI tubing light grade 50mm bore with all fittings for cable protection fixed to pole/wall or laid under floor/road/pavement with nuts, bolts, clamps etc as required including taking out old pipe complete all as specified and as directed.

Supply and laying/fixing GI tubing light grade 80mm bore with all fittings for cable protection fixed to pole/wall or laid under floor/road/pavement with nuts, bolts, clamps etc as required including taking out old pipe complete all as specified and as directed.

Supply , laying , jointing HDPE (DWC) tubing outer dia not less than 77 mm and 63mm inner dia fixing on poles, walls , laid under floors, outer surfaces including all fittings such as bends, joints as required to make it seamless including clamps, nut-bolts washers fixed in repair/replacement complete all as specified and as directed.

Supply , laying , jointing HDPE (DWC) tubing outer dia not less than 90 mm and 76mm inner dia fixing on poles, walls , laid under floors, outer surfaces including all fittings such as bends, joints as required to make it seamless including clamps, nut-bolts washers fixed in repair/replacement complete all as specified and as directed.

Supply , laying , jointing HDPE (DWC) tubing outer dia not less than 110 mm and 95mm inner dia fixing on poles, walls , laid under floors, outer surfaces including all fittings such as bends, joints as required to make it seamless including clamps, nut-bolts washers fixed in repair/replacement complete all as specified and as directed.

Supply, jointing & testing, indoor end termination joint kit (Heat shrinkable) complete with jointing material and accessories suitable for 3 wire, 11KV (Earthed) grade, HT, underground XLPE insulated armoured aluminium conductor, 3 core, 95 Sqmm size cable, including taking outold joint kit and removal, complete all as specified and as directed.

Supply, jointing & testing outdoor end termination joint kit (heat shrinkable) complete with jointing material and accessories suitable for 3 wire 11KV (Earthed) grade HT, underground XLPE insulated armoured aluminium conductor 3 core 95 Sqmm size cable including taking out old jointing kit complete all as specified and as directed.

Supply, jointing & testing straight through joint kit (heat shrinkable) complete with jointing material and accessories suitable for 3 wire, 11KV (Earthed) grade, HT, underground XLPE insulated armoured aluminium conductor 3 core 95 Sqmm size cable including taking out old jointing kit and removal complete all as specified and as directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material (Epoxy Based) and accessories suitable for 3½/ 4 core XLPE armoured Al conductor cable of size 25 to 50 sq mm complete all as specified and as directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material (Epoxy Based) and accessories suitable for 3½/ 4 core XLPE armoured Al conductor cable of size 70 to 120 sq mm complete all as specified and as directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material (Epoxy Based) and accessories suitable for 3½/ 4 core XLPE armoured Al conductor cable of size 150 to 185 sq mm complete all as specified and as directed.

Supply, installing, testing and commissioning of air break gang operated triple switch(GOD) outdoor type vertical mounting type of capacity 200 Amp with drop out fuse consisting 15 insulators ISI marked mechanically operated mounted on insulator and frame work with operating Gl rods and mechanical work from ground level with locking arrangement including Godrej pad lock with two keys complete with fuse carrier and HT fuse element having upto 200 Amp rating suitable for HT 11 KV 50 HZ AC supply including necessary electric connection complete all as specified and directed

M&L for Disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green single assembly for tension with tension clamps for conductors, working pressure 11000 volts complete all as specified and as directed.

M&L for Pin/Post 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 fixed in repair /replacement complete all as specified and as directed.

Supply, installation, testing and commissioning outdoor type factory made cubical LT panel board of suitable size, CPRI approved as per latest norms having outer body made out of 3.15 mm and inner compartments made out of 2.0 mm thick CRCA sheet andlegs made of MS angle section 50 mmx 50 mm x 6 mm embedded in PCC 1:2:4 type B-1 , minimum 600 mm above ground level and 450 mm below ground level and 45cm below the ground level, factory fabricated with front and back openable double door system (each door hinged with body at 4 places) lockable, openable by keys, having pad lock arrangement with both side, with pad lock of three keys and air vent, gasket ‘u’ type for natural flow of air, completed dust & vermin proof suitable for 3 phase 4 wire 415 volt 50 Hz factor fabricated ( Factory approved from CPRI) having modern fabrication followed by power coated painting having thickness not less than 100 microns TPN aluminum bus bar min 400 Amps insulated with colour coded heat shrinkable and shall be mounted on suitable size ‘F’ class insulators.

Supply, installation, testing and commissioning outdoor type factory made cubical LT panel board of suitable size, CPRI approved as per latest norms having outer body made out of 3.15 mm and inner compartments made out of 2.0 mm thick CRCA sheet andlegs made of MS angle section 50 mmx 50 mm x 6 mm embedded in PCC 1:2:4 type B-1 , minimum 600 mm above ground level and 450 mm below ground level and 45cm below the ground level, factory fabricated with front and back openable double door system (each door hinged with body at 4 places) lockable, openable by keys, having pad lock arrangement with both side, with pad lock of three keys and air vent, gasket ‘u’ type for natural flow of air, completed dust & vermin proof suitable for 3 phase 4 wire 415 volt 50 Hz factor fabricated ( Factory approved from CPRI) having modern fabrication followed by power coated painting having thickness not less than 100 microns TPN aluminum bus bar min 200 Amps insulated with colour coded heat shrinkable and shall be mounted on suitable size ‘F’ class insulators.

S&F LT Busbar Chamber of size not less than 400x400x300mm with set of 04 aluminium 200 Amps rated bus bar each fixed on suitable insulators with suitable size of brass nut, bolts and washer with heat shrinkable PVC sleeving. The bar shall be colour coded (red, yellow and blue) for three phases and black for neutral. Bus bar chamber will be fixed on 04 nos of les made with MS Angle. Length of each leg will be not less than 0.6m. The Chamber shall be fixed more than 30 cm above the normal ground level complete with PCC foundation (1:2:4 ) type B2 complete all as specified and directed by Engr in charge.

Supply and fixing lightning arrestor zinc oxide distribution class 65 KA RMS suitable for 11 KV system pole mounting type conforming to IS-3070 Part -III, 19993 including bolts, nuts and washers and electric connection fixed in repair/replacement complete all as specified and as directed.

Material and labour for preparation of old treated steel surfaces of Two pole structure by scrapping/grinding the rusted portion throughly ,cleaning and applying two coats of aluminium paint complete all as specified and as directed.

Material and labour for preparation of old treated steel surfaces of Four pole structure by scrapping/grinding the rusted portion throughly ,cleaning and applying two coats of aluminium paint complete all as specified and as directed.

M & L for Calibration/setting of protection devices, relays fixed in HT/LT/VCB/RMU panels with all protection function (over current, earth fault protection), tripping test of overcurrent and earth fault relay through primary and secondary injection machine, testing of Auxiliary relay, tripping test through all respected relays complete all as specified and directed. Note:- The Contractor will provide test report of calibration of relay and the cost is deemed to be included in the unit rate quoted.

M&L for servicing of HT Vacuum Circuit breaker and HT Panel and RMU after taking proper shut down and disconnecting all elctric supply , maintaince , cleaning,servicing and testing of HT breaker , bus bar, CTs, PTs, IR value, control cables connections, meters connection, tightening and checking of AC and DC supply, testing of CT and PT with primary and secondary injection kit , tightening and checking of control wires and allied works , removing moisture and dust from HT breaker inside of HT breaker through CRC using dry clothes , testing of leakage with the help of Hi-Pot testing machine , testing of IR value of breaker, testing and checking of operating mechanism, testing of opening release and shunt closing , lubricating all moving parts,testing and operation of On/Off through TNC switch and push button ,checking of anti-pump device, reapir of racking mechanism, earth alignment,tightening of loose connection and allied work at 11 KV substations complete all as specified and as directed. Notes:- Spare/Parts and anti track coating spray except consumables and minor spares will be measured and paid separetly under respective items.

Supply only Vacuum interruptor (Vacuum Bottle) suitable for existing Crompton greaves/Kirloskar VCB 11 KV Panel at 11 KV substations complete all as specified and directed.

Supply only Strip heaters 80-100 watt , AC 240 volts for existing HT/LT panels at 11 KV substations complete all as specified and directed.

Supply only TNC switch suitable for existing Crompton greaves/Kirloskar VCB 11 KV Panel at 11 KV substations complete all as specified and directed

S&F of trip circuit supervision relay model No JRV 911 for 11 KV VCB Control Panel fixed in repair/ replacement complete all as specified and directed.

S&F of master trip relay Model No- AVAJH-13 for 11 KV VCB Control Panel fixed in repair/ replacement complete all as specified and directed.

S&F of Aux Relay for Bush, WTI Model No- AVA 33 for 11 KV VCB Control Panel fixed in repair/ replacement complete all as specified and directed.

S&F of Over Current Relay Model No- CGI14N for 11 KV VCB Control Panel fixed in repair/ replacement complete all as specified and directed.

S&F Current transformer of ratio 30-15 /5-5A, Burden 15 VA, Indoor epoxy cast type, line voltage 11 KV, class 1.0/5P10, 50 Hz, size and model suitable for CTs suitable for existing Crompton greaves/Kirloskar VCB 11 KV Panel at 11 KV substations fixed in reapir/replacement complete all as specified and directed.

S&F Potential transformer (draw out type) of ratio 11KV/110 V, Burden 3- Phase, rated voltage 11000 V, Insulation level, 28/75KV(P) class 1.0, 50 Hz, connection Star , size and model suitable as per existing PTs suitable for existing Crompton greaves/Kirloskar VCB 11 KV Panel at 11 KV substations fixed in reapir/replacement complete all as specified and directed.

M&L for detecting fault in HT/LT underground cable with fault locator equipment to locate the fault in HT cable of any length , any size complete all as directed . Note :- (a) The fault detected through cable fault locater will only be paid under this item. (b) The cost of arranging cable fault locator and DG set including transportation charges is deemed to be included in the quoted unit rate. (c) Fault locator will be provided by the contractor for even single fault and no dealy on this account will be acceptable. Penality of Rs 1000/- per day will be levied if fault is not located/detected with in 24 hours of intimation .

Taking out faulty underground HT/LT cable of any sizes by excavation and removing DWC pipe/bricks of any size and relaying in the same trenches or re-routing after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil complete all as directed by Engineer in Charge . Note: (a) HT/LT cable & joints shall be measured and paid for seperately . (b) Retrieved old serviceable bricks/DCW pipe will be laid in trenches for cable protection. (c) The rates quoted is deemed to be included the cost of Excavation, Returning filling and, earth work labour charges etc.

M&L for disconnecting electrically indoor/outdoor stepup/stepdown transformer draining out complete transformer oil from transformer upto 200 KVA capacity at site which found minor repair and storing the oil in suitable container (container to be provided by the contractor to keep aside for re-use (after repair) and lifting of core assembly by opening of top cover and other items for inspection/examination of core assembly, after minor repairs its fixing in original position.

Transportation of unserviceable transformer of capacity upto 200 KVA from site to workshop and return back for installation it on original position/location after repairing from workshop (Rate is deemed to be inclusive of transportation, T&P and man power) complete all as specified and directed .

Material and labour in factory opening of top cover by unscrewing nut, bolts & washers etc and taking out core assembly from tank by disconnecting from tap changer HT & LT side bushing stud to outside by dismantling the channel and disconnecting star delta connection for transformer of capacity upto 200 KVA . After dismantling of Transformer and physical joint inspection of core coil assembly (removing all 3 limbs HV &LV winding from Core Assembly) washing of core assembly by hot oil for removing brunt carbon and copper particals and cleaning of complete top yoke by oil. reassemble of complete core assembly and core coil assembly providing new coils and new tap leads of tap changer including requisite insulation material. Re Tanking tightening of top cover fixing of HV & LV Bushing, tap changer connection, WTI & OTI Connection and CT connection. Filling of oil, conservatior tank ready for final testing all as directed in presence of rep of MES. Note : (a) In case of replacement of LV / HV bushing / spindles / rewinding of HV / LV coils / top changer etc will be paid separately under respective items (b) Following test shall be conducted before installation & commissioning. (i) Insulation Resistance Test (by 5000 V megger) (ii) Ratio Test (ii) Double voltage & double frequency Test (iv) Transformer oil value BDV test (v) Tap changing test of load for all tap position .

Supply only HT coils for rewinding with copper wire DPC/super enameled high quality matching with existing gauge and impedence including requisite insulating paper/material in each layer of winding after taking down old existing winding of HT coils of 11 KV trasformer complete. Note for item No 55 & 56: The rate quoted against these items is inclusive necessary provision of all types of insulating materials , heating and varnishing etc.

All as per description of serial item No 55 here-in-before but using LT coils with copper strips complete all as specified.

Supply only transformer oil of approved quality as per IS having dielectric strength of 45-60 KV in 2.5mm gap for filling in transformer or for topping up as required and directed

S&F (at site/workshop), Porcelain Transformer bushing on LT (440 Volt) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 200 KVA and re-connecting electrically and mechanically, testing fixed in repair/ replacement complete all as specified and directed.

S&F (at site/workshop), Porcelain Transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 200 KVA and connecting electrically and mechanically, testing fixed in repair/ replacement complete all as specified and directed.

S&F Silica Gel Breather assembly including vent pipe and Silica Gel for indoor/outdoor transformers, capacity upto 200 KVA fixed in repair/ replacement complete all as specified and directed.

M & L for cutting and removing grass, vegetation bushes etc from surrounding 2pole/4 pole HT structure , outside area of HT installation and removing all rubbish to a distance not exceeding 50 m as directed.

M & L for cutting and removing grass, vegetation bushes etc from surrounding LT panel/Basbar Panel and removing all rubbish to a distance not exceeding 50 m as directed.

Supply and fixing MCCB 63 Amps , 415 Volts rupturing capacity 16/18 KA ,4 POLE, overload adjustable type including connecting complete fixed in repair/replacement all as specified and as directed.

Supply and fixing MCCB 100 Amps , 415 Volts rupturing capacity 16/18KA ,4 POLE, overload adjustable type including connecting complete fixed in repair/replacement all as specified and as directed.

Supply and fixing MCCB 160 Amps , 415 Volts rupturing capacity 25KA , 4 POLE, overload adjustable type including connecting complete fixed in repair/replacement all as specified and as directed.

Supply and fixing MCCB 250 Amps , 415 Volts rupturing capacity 35/36KA , 4 POLE, overload adjustable type including connecting complete fixed in repair/replacement all as specified and as directed.

S&F Cable route indicator comprising of CI wiser of size 100mm dia embossed as HT power cable fixed to MS angle iron of size 50x50x6mm graded stone aggregate of block size 300x300x450mm including two coats of aluminium paint over a coat of aluminium red oxide primer including neceessay earth work complete all as specified and directed.

S&F Cable route indicator comprising of CI wiser of size 100mm dia embossed as LT power cable fixed to MS angle iron of size 50x50x6mm graded stone aggregate of block size 300x300x450mm including two coats of aluminium paint over a coat of aluminium red oxide primer including neceessay earth work complete all as specified and directed.

S&F Aluminium thimble 10 Sqmm to 35 sqmm fixed in repair/ replacement complete all as specified and directed.

S&F Aluminium thimble 50 Sqmm to 70 sqmm fixed in repair/ replacement complete all as specified and directed.

S&F Aluminium thimble 95 Sqmm to 120 sqmm fixed in repair/ replacement complete all as specified and directed.

S&F Aluminium thimble 185 Sqmm to 240 sqmm fixed in repair/ replacement complete all as specified and directed.

Note: The Total amount shall subject to adjustment of credit of Rs. 51080.00 for old Materials as per Schedule of Credit.

GS Engineers (BID ID -3479544)