REPAIR MAINT OF TRANFORMER HT OH LINES AND ITS ALLIED SERVICES AT LEKHAPANI MIL STN UNDER GE LEKHAPANI

Amount

Filteration and dehydration of existing insulating oil of transformer of various capacities, installed at different locations at station to achieve desired di-electric strength of 40 KV at 2.5 mm gap, by mobile filteration plant/machine and heating system, complete all as specified and as directed by Engr-in-charge. Note: Transformer oil required extra for filling/topping up shall be measured and paid separately under the relevant items of this schedule.

Supply and topping up of new insulating transformer oil with duly filtered and tested insulating oil having not less than 40 KV di-electric strength at 2.5 mm air gap for Transformer complete all as specified and as directed by Engr-in-Charge.

Replacement of Silica Gel breathers container including silica gel, suitable for transformers 11 KV/433 Volts of the following capacity:-

M & L for arresting the leakage of transformer oil after drain out transformer oil , switching off HT power supply taking all safety precautions, including provision of gasket and re fiil transformer oil after arrest the leakage including testing and commissioning of transformer upto 250 KVA capacity complete all as specified and as directed by Engr-in-Charge.

M & L for spray painting distribution transformer after removing the existing oil stains by paint removers, cleaning with scrapers, preparing surface and painting with two coats of grey synthetic enamel paint over a coat of red oxide primer incl writing SM/MES No whith white enamel paint all as directed for upto 250 KVA capacity transformer complete all as specified and as directed by Engr-in-Charge.

Removing the top cover body of the transformer after disconnecting the cable, removing the unserviceable HT bushes and S&F in repair porcelain vitreous HT side bushings with Brass studs including checking and tightening internal electric connections and fixing back the top cover with new gasket and suitable nuts, bolts suitable for distribution transfomer of capacity upto 250 KVA all as specified and directed by engr-in-charge. Note :- Bushing will be replaced including filteration of transformr oil by draining out transformer oil from the existing level upto conservator of the transformer & refilling the same.

Removing the top cover body of the transformer after disconnecting the cable, removing the unserviceable LT bushes and S&F in repair porcelain vitreous LT side bushings with Brass studs including checking and tightening internal electric connections and fixing back the top cover with new gasket and suitable nuts, bolts suitable for distribution transfomer of capacity upto 250 KVA all as specified and directed by engr-in-charge. Note :- Bushing will be replaced including filteration of transformr oil by draining out transformer oil from the existing level upto conservator of the transformer & refilling the same.

S&F Gang operated air break switch, three poles, outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated normal current 200 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), Rated short-time withstand current 25 kA for 3 seconds, rated peak withstand current 63 kA for climatic conditions at the site, mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level including dismantling and taking out old unsv one complete all as specified and as directed.

S&F Lightning arrestor expulsion type complete with all fittings, transmission class, High Tension discharge Capacity 65 KA suitable for 11000 volts Set of 03 after removing the existing unserviceable one including making necessary electrical connections all as directed and as specified by Engineer-in-Charge.

S & F expulsion fuse unit, single pole, 11 KV drop out fuse unit comprising insulator set of two nos, complete set capacity 100 A, including taking out old unsv one all as specified and directed.

Danger notice plate of 1.6mm thick mild sheet steel vitreous enamelled white with letters figures and conventional skull and in bones in signal red colour and fixed with MS clamps bolts and nuts of approved size for HT 25x20cm size complete including taking out old all as specified and directed by the Engineer-in-Charge

Dismantling ACSR conductors from the disturbed span including jumper, removing the binding with insulator, of any size for HT OH Line/ structures, etc complete all specefied and as directed

Re Stringing and Fixing only in position of sagged ACSR conductor of required size in over head line including biniding with aluminium binding wire complete after removing and refixing of jumper & connection to the ACSR conductor complete all as specified and as directed by the Engr-in-charge

Supply, fixing and stringing for ACSR (Aluminium conductor steel reinforced) of any size and type in accordance with site requirement and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed.

Earth continuity conductor or main earthing lead fixed to Pole to pole/ 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 4mm dia galvanised iron or steel wire including taking down old unserviceable complete all as specified and as directed

Earth continuity conductor or main earthing lead fixed to Pole /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 of size 32 x 6 mm galvanised iron strip including taking down old unserviceable complete all as specified and as directed. Note : All the joints should be brazed only brass nuts/ bolts/ washers can be used in the test point.

M&L for trimming of branches of trees (Dia upto 100 mm) touching HT/LT electric over head line and making clear upto 3 mtr in radius and carrying and disposal where directed not exceeding 50 mtr complete all as directed. Note : Tools and plants as required is deemend to be included in the quoted rate.

M&L for cross arms, bracings, clamps and back plates fabricated from structural steel section including nuts, bolts, washers, drilling holes for bolts in any shapes or size all as directed & painting of one primer coat and under coat and one finishing coat including taking out unserviceable material complete all as specified and as directed by Engineer-in-Charge.

M&L for stay assembly complete with accessories as shown in elect plate no- 1 of SSR for dia of stay rod 20 mm incl GI stay strand of size 7/3.15 mm (maximum length 11.00 mtr) to keep the pole in vertical position incl loop insulator stay all as specified and directed including dismantling and taking out old unsv stay assembly set complete (PCC will be measured and paid separately)

S&F Pin type Polymer insulator 320 cd 5 kn for 11KV grade complete including all accessories, nuts, bolts etc and including dismantling of old unserviceable porcelain insulators complete all as specified and as directed.

S&F Disc type Polymer insulator 320 cd 45 kn for 11KVvolts grade complete including all accessories yoke, clamps, nuts, bolts etc and including dismantling of old unserviceable insulator all as specified and as directed.

M&L for HT Pin type porcelain, vitreous 150 mm hight & 150 mm dia ball & socket type, white, brown or green, two-in-series assembly for tension clamps for conductors, working pressure 11KV including galvanised mild steel straps washers insulator bolts & nuts including taking down old unserviceable insulator all as specified and directed.

M&L for HT disc type porcelain, vitreous 145 mm hight & 255 mm dia ball & socket type, white, brown or green, two-in-series assembly for tension clamps for conductors, working pressure 11KV including galvanised mild steel straps washers insulator bolts & nuts including taking down old unserviceable insulator any type,any size complete all as specified & as directed

Repairs/maint to complete 4 Pole structure (HT 11KV Line controled) with repairs to AB switch (GOD), Lightning arrestosr, drop out fuse unit and replacing ACSR conductor transmission connection sysytem on the top of structure with straightning of jampers / proper spacing/ desired sag between the conductors/ proper binding on the insulators/ tightening the insulators including replacement of male and female contacts of GOD, nuts & bolts and cleaning the carbon/ dust deposited on the switch contact surfaces and applying mineral jelly, oil grease to the moving/ rotating parts etc after cleaning, removing carbon deposits including testing and commissioning the same for operation complete all as directed by Engr-in-charge. Note: The repairs to Four poles structure complete will be measured as one job.

M&L Painting of four pole structure consisting of 4 Nos Steel/PSC pole 9 M above GL with channels, clamps, bracings, supports, etc by preparing the surface and applying two coats of aluminium paint or cement base paint as per direction all as specified and as directed by Engineer-in-charge

M&L Painting of two pole structure consisting of 2 Nos Steel/PSC pole 9 M above GL with channels, clamps, bracings, supports, etc by preparing the surface and applying two coats of aluminium paint or cement base paint as per direction all as specified and as directed by Engineer-in-charge

M&L for two coats Aluminium paint/ cement based paint as per direction over the exisiting steel/PSC poles 7.5/9.20 mtrs above ground including cross arms/ bracings/ clamps etc complete all as specified after cleaning the existing poles and making good surface and surrounding and writing the pole numbers with white letters on black background all as specifeid and directed by the Engr-in-charge.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr depth for taking out/for laying under ground cables/pipes etc and getting out any type soil complete all as specified and as directed by Engineer-in-charge

All as per item No. 31 here-in before but depth exceeding 1.5 mtr and not exceeding 3 mtr.

Returning filling in including spreading, levelling, watering and well ramming in layers n-exc 25 cm complete all as specified and as directed by Engineer-in-charge

Removing excavated soil to a distance n-exc 50 mtr and depositing where directed at a level n-exc 1.5 mtr above the starting point complete all as specified and as directed by Engineer-in-charge

Supply and spreading fine river sand in trenches for cushioning of under ground cable/filling cable ducts complete all as specified and as directed by Engineer-in-charge Note : - Only punned thickness shall be measured for payment purpose

Supply and lay burnt brick sub class ‘B’ of standard size laid in trenches as protection to cables complete all as specified and as directed by Engineer-in-charge.

Re laying of old retreived bricks vide excavation in trenches of exisitng laid cables complete all as specified and as directed by Engineer-in-charge.

M&L for boring under road, pavement, hard standing, railway lines by trenchless technology using latest boring technique or manually boring technique and necessary machine for insertion of GI pipe of 50 mm to 100 mm nominal bore complete all as specified and as directed.

Supply and fixing GI pipe light grade for cable protection , laid in trenches or fixed on pole/wall for passing LT cables of sizes 80 mm dia including taking out old rusted pipe complete all as specified and as directed by Engineer-in-charge

All as per item No. 39 above but size 50mm dia.

Dismantling and taking out the existing HT UG cables 95 sqmm 3 Core from trenches/ducts/Road and Re-laying/ diversion of the same in the new route including connection and testing etc complete all as specified and as directed by Engineer-in-Charge. Note : Earth work, sand cushioning concrete cable cover extra length of cables, cable jointing kit will be measured and paid separately

Supply and laying armoured HT UG cable XLPE insulated heavy duty electric cable with aluminium stranded conductor, 11000 volts grade, cross sectional area 3 core 95 sq mm including taking out old unserviceable cable complete all as specified and as directed by Engineer-in-charge.

Supply, laying and hanging HT 11 KV XLPE insulated Aerial Bunched Cable 3-core x 70 sq mm + 1 x 50 sq mm bare Messenger wire shall be stranded non- compacted circular aluminium alloy conductor on existing HT 11 meter PCC/steel poles including suspension clamp, J Hook and Dead end clamp etc as required to fix the cable on pole at site ncluding taking out old unserviceable cable complete all as specified and as directed by Engineer-in-charge

Supply, laying & testing insulated XLPE LT UG cable 1100 volts grade, armoured heavy duty confirming to relevant IS specifcations with aluminum conductor of size 120 sqmm 3.5 core complete all as specified and as directed.

M&L for locating HT 11 KV UG cable fault by removing the both ends of the cable and locating the fault with Portable cable fault locator System/Machine duly hiring from any civ/Govt agencies were available and arranging necessary manpower for excavating the faulty area and making the fault serviceable with necessary cable joint kit etc., complete all as specified and as directed by Engineer-in-Charge. Note :- Necessary excavation and joint kits will be measured and paid separately

Material and Labour for Heat shrinkable HT 11 KV out door termination joint kit for XLPE 11 KV 3 Core cables of size 50 to 95 Sqmm with jointing materials including taking down old unserviceable complete all as specified.

Material and Labour for Heat shrinkable HT 11 KV indoor termination joint kit for XLPE 11 KV 3 Core cables of size 50 to 95 Sqmm with jointing materials including taking down old unserviceable complete all as specified.

Supply, joint, test, HT outdoor type cable straight through jointing kit Heat shrinkable type suitable for HT 11 KV XLPE armoured aluminium cable of size 50 to 95 Sqmm 3 Core with necessary jointing materials straight through, including taking down old unserviceable complete all as specified.

M&L for steel tubular swaged poles complete with cast iron base plate, final taper plug, bolts, nuts and screws as specified type 410 SP- 55,11 metres long including erection, painting with two coat of synthetic enamel paint over a coat of red oxide or primer complete including taking down old unserviceable complete all as specified. Note Excavation earth work and PCC paid and measured seperately)

All as per item No. 49 above, but type 410 SP- 32, 8.5 metre long.

M&L for cement concrete type D2 1:4:8 using 40 mm graded aggregate for making good surfaces in road cutting, pole foundation, stay concrete etc all as directed

M&L for plain cement concrete type C1(1:3:6) using 20 mm graded stone aggregate as in coping/foundations including necessary form work and finishing exposed surface/white washing all as directed.

Rough excavation not exceeding 1.5 m deep and getting out in hard/dense soil complete all as specified and directed.

Supply and Filling crushed stone aggregate 40 mm grade in sub stn or at 4 pole, 2 pole, 3 pole structure complete and cleaning and leveling all as directed

Demolition of brick work built in cement mortar including all quoins , arches, pillars, wall and parapet walls etc complete al as specified and directed.

M&L brick work with sub class 'B' old burnt brick, straight or curved on plan exceeding 6 m mean radius built in cement mortar (1:4) complete all as specified.

M&L for rendering 10 mm thick on fair faces of brick work or concrete surfaces with 1:4 cement plaster all as specified and directed.

M&L for Moorum/red bajri filling in floors or pavings, laid in layers n exc. 15 cm thick, spread, levelled and rammed including watering and consolidating complete all as specified and directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 4.0 mm dia galvanised mild steel wire by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 20 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

S&F Dry type Fire Extinguisher (For A-B-C type of fire) Packed in 6.0 Kg Cylinder (ISI marked) portable type with necessary fixing arrangement on wall complete all as specified and directed by Engr- in- charge.

M/S SINGH TRADERS (BID ID -3063290)

Shree Trilok Electric Corporation (BID ID -3064473)

M/s Singh enterprises (BID ID -3050902)

ICON TECHNOLOGY (BID ID -3063141)