REPAIR/MAINT OF DISTRIBUTION TRANSFORMER/VCBs AND CONNECTED HT DISTRIBUTION NETWORK AT SUNJUWAN ML STN UNDER GE JAMMU

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and getting out in soft/loose soil or hard/dense soil for taking up or laying of cable complete all as specified and as directed.

Description all as per srl item No-1 above but depth exceeding 1.5 m and not exc 3.0 m complete all as specified and as directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cms complete all as specified and as directed.

Removing excavated material not exceeding 50 M and depositing where directed at a level not exceeding 1.5 M above starting point complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 1 with pek size 300 mm x 180 mm x 40 mm complete all as specified and as directed.

Supply and laying dry river sand laid in trenches as cable cushioning and covering all as directed.Sand cushioning to under ground electric cable 8cm before laying and 15cm after laying the cable intrenches complete all as specified and as directed.

M&L PCC 1:2:4 type B1 using 20mm stone aggregate for coping of pole and stay assembly complete all as specified and as directed.

M&L PCC 1:3:6 type C2 using 40mm stone aggregate for stay assembly complete all as specified and as directed.

M&L PCC 1:4:8 type D2 using 40mm stone aggregate for pole foundation complete all as specified and as directed.

Material and labour for rewinding of HT coils Transformer 250 KVA to 400 KVA with super enamelled double paper wound copper winding wire of existing size and no of turns alongwith insulating material like paper insulation cotton tape, bamboo strip, emery paper packing, varnishing etc, demoisturing by heating and drying etc including primaray testing, ratio testing, no load testing core bolt insulation tesing complete all as specified and as directed.. Note: Rewinding and testing of transformer to be carried out through approved firm.

Material and labour for rewinding of HT coils Transformer 40 KVA to 200 KVA with super enamelled double paper wound copper winding wire of existing size and no of turns alongwith insulating material like paper insulation cotton tape, bamboo strip, emery paper packing, varnishing etc, demoisturing by heating and drying etc including primaray testing, ratio testing, no load testing core bolt insulation tesing complete all as specified and as directed. Note: Rewinding and testing of transformer to be carried out through approved firm.

Material and labour for rewinding of LT coils Transformer 40 to 160 KVA with super enamelled double paper wound copper winding wire of existing size and no of turns alongwith insulating material like leathorised paper insulation cotton tape, wooden block packing, varnishing etc, demoisturing by heating and drying etc including primaray testing, ratio testing, no load testing core bolt insulation tesing complete all as specified and as directed. Note: Rewinding and testing of transformer to be carried out through approved firm.

Material and labour for rewinding of LT coils Transformer 200 to 400 KVA with super enamelled double paper wound copper winding wire of existing size and no of turns alongwith insulating material like leathorised paper insulation cotton tape, wooden block packing, varnishing etc, demoisturing by heating and drying etc including primaray testing, ratio testing, no load testing core bolt insulation tesing complete all as specified and as directed. Note: Rewinding and testing of transformer to be carried out through approved firm.

S&F in replacement HT brass/gun metal bush connecting rod of suitable length and dia with necessary nuts, washers and bushing packing to prevent oil leaking from the bushes and HT insulators including making necessary connections for transformer capacity from 25 KVA to 400 KVA complete all as specified and as directed.

S&F in replacement LT brass/gun metal bush connecting rod of suitable length and dia with necessary nuts, washers and bushes and LT insulators packing to prevent oil leaking from the bushes including making necessary 4connections for transformer capacity from 25 KVA to 400 KVA complete all as specified and as directed.

Supply and fixing silica gel breather assembly of metallic body for 11 KV transformer of capacity from 40 KVA to 400 KVA complete all as specified and as directed.

Supply and fixing cork sheet gasket of 6mm thick cut to size/Shape for top cover of 11 KV transformer of capacity up to 400 KVA complete all as specified and as directed.

M&L for dehydration, filtration of step down (33/11KV and 11/0.415 KV) transformer oil of various cap of transformers on running condition of transformer, dielectric strength not less than 60 KV in 2.5 mm gap (RMS) Note :- (I) Dehydration and filtration can be carried out at site by bringing filtration machine or other wise the same shall be got done from the manufacturing workshop of transformers complete all as specified and as directed. Note: (i) Testing oil shall be carried out before filtration and after filtration of insulating oil (ii) Rates of dehydration machine used shall be included in the rate quoted.

Supply, heating and filling of transformer insulating oil EHV grade having dielectric strength not less than 60 KV (RMS) at 2.5 mm gap high velocity in transformer complete all as specified and as directed.

M&L Painting of transformer externally with two coat of spray painting with heat resistance/smoke grey heat resistance synthetic enamelled paint after cleaning rusted surface thoroughly with thinner and scrapper and preparing the surface to required standard including writing and marking such as MES No, SM No, Capacity, location of area feed, Date of oil filling on the body of transformer capacity upto 500 KVA complete all as specified and as directed.

Dismantling and taking down old unsv earthing and M&L for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by charcoal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to galvanised earth strip of 25x4 mm dia by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through 40mm dia GI pipe for protection of GI earth strip including 20mm dia GI pipe for watering GI funnel , PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part-I including testing complete all as specified and as directed.

S&F in replacement of aluminium strip of size 25x4 mm with saddles and fixing screws on porcelain insulator/spacer fixed at every 1 mtr length as lightening conductor for lightening arresters on HT poles/Transformer incl necessary nut & bolts complete all as specified and as directed.

Supply, laying, testing and commisioning HT underground cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire aromoured electric power cables (heavy duty) with aluminium stranded condutor served with an inner sheathing of PVC tape armoured with galvanized steel strip and overall PVC sheathed 11000 volts grade (earthed) of cross sectional area of size 95 sq mm 3 core incl taking down of old unsv cable from trenches complete all as specified and as directed.

Supply, laying, testing and commisioning HT underground cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire aromoured electric power cables (heavy duty) with aluminium stranded condutor served with an inner sheathing of PVC tape armoured with galvanized steel strip and overall PVC sheathed 11000 volts grade (earthed) of cross sectional area of size 120 sq mm 3 core incl taking down of old unsv cable from trenches complete all as specified and as directed.

Supply, laying, testing and commisioning HT underground cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire aromoured electric power cables (heavy duty) with aluminium stranded condutor served with an inner sheathing of PVC tape armoured with galvanized steel strip and overall PVC sheathed 11000 volts grade (earthed) of cross sectional area of size 185 sq mm 3 core incl taking down of old unsv cable from trenches complete all as specified and as directed.

Supply Laying ,testing and commisioning HT Aerial Bunched Cable(ABC) XLPE Cable 11 KV through overhead lines on 11 meter PCC poles with XLPE insulated AB cable 95 sqmm x 3 core + 70 Sqmm x1 messenger coutdoor type with suitable clamps made out of FI 50 X 6 mm including all bolts ,nuts and washers, taking down of old unsv cable from poles complete all as specified and as directed.

Supply Laying ,testing and commisioning HT Aerial Bunched Cable(ABC) XLPE Cable 11 KV through overhead lines on 11 meter PCC poles with XLPE insulated AB cable 120 sqmm x 3 core + 95 Sqmm x1 messenger coutdoor type with end joints & suitable clamps made out of FI 50 X 6 mm including all bolts ,nuts and washers, taking down of old unsv cable from poles complete all as specified and as directed.

M&L in replacement Cable jointing end kit for 11000 Volts grade (E) cable outdoor termination heat shrinkable end type joint complete with jointing material suitable for 3 core XLPE armoured aluminium joint conductor cable of size 95 Sqmm and jointing materails for making joints and testing complete all as specified and as directed.

M&L replacement Cable jointing end kit for 11000 Volts grade (E) cable outdoor termination heat shrinkable end type joint complete with jointing material suitable for 3 core XLPE armoured aluminium joint conductor cable of size 120 to 185 Sqmm and jointing materails for making joints and testing complete all as specified and as directed.

Supply & erecting in truly vertical position steel tubular swaged poles 410 SP-55 (11.00 mtrs long) complete with 300 x300x 6 mm thick MS base plate continuously welded at bottom of pole and MS sheet 2 mm thick plug welded at top, bolts, nuts & screws including one shop coat of red oxide primer and internally bituminous painted including painting with two coats of aluminium paint and black and white strips 30 cm upto 1.5mtr height from top of coping in strips including taking out old/unserviceable poles complete all as specified and as directed.

Supply and fixing in replacement switch air break gang operated triple pole mechanically operated from ground level, mounted on insulators and steel frame (12 insulator type) outdoor type suitable for vertical installation single break provided with locking arrangement consisting of MS channel, HT post top insulator polymer with drop out fuses operating rod 20mm bore GI pipe medium grade confirming to relevant IS, current rating 200 Amp and voltage 11 KV including jumpering, lead of wire/cable as directed at site including taking down old/ unserviceable switch. complete all as specified and as directed.

S&F in replacement of lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 11 KV complete all as specified and as directed.

S&F in replacement of lightning arresters station heavy duty metal oxide gap less complete with all fittings, transmission class, discharge and capacity are as per exist LA at yard & suitable for 33 KV complete all as specified and as directed.

Supply and fixing in replacment of ACSR conductor of any size and type from over head HT/ LT poles including binding at site to insulator with suitable size of binding wire etc including taking down existing worn out old broken ACSR conductor of any size and type and length at any position from LT/HT poles complete all as specified and as directed.

Stay assembly with accessories and GI stay rod 16 mm dia 1900 mm long, stay wire 7/4 mm stranded galvanised including mild steel stay plate 300 mm x 300 mm x 6 mm and galvanised thimble, galvanised steel 14 mm dia 400 mm long stay bow and GI nuts, washers complete all as specified and shown in electrical plate No 01 of SSR Part - I including taking down old unserviceable stay assembly complete all as specified and as directed.

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

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

Material and labour for preparation of old painted surface of HT steel tubular pole and painting with two coat of aluminium paints and upto 1.5 mtrs height from bottom in alternate layer by applying synthetic enamel paint in black and white colour each strip 30 cm and cutting vegetation growth all around and on the poles up to 1 mtr radius complete all as specified and as directed.

Supply in replacement of indicator lamp assembly in different colour as directed complete of VCB panel 24/36/110 Volts of existing size complete all as specified and as directed.

S&F in replacement of digital meter showing Amps, Volts complete for 11 KV VCB control panel complete all as specified and as directed.

S&F Ampere meter analog type of size 50x50 mm, range from 0-200 for 11 KV control panel complete all as specified and as directed.

S&F Volt meter meter analog type of size 50x50 mm, range from 0-40KV, for 11 KV control panel complete all as specified and as directed.

S&F power factor meter analog type of size 50x50 mm, range from 0-1 for 11 KV control panel complete all as specified and as directed.

M&L in replacement of 11 KV single phase in door PT of ratio 11 KV/rt 3/110V/rt 3/110V/rt 3 Class 0.5, Burden 50 VA – 50 VA insulation level 12 KV, complete all as specified and as directed.

M&L in replacement of 11 KV single phase in door Resin cast CT of ratio 400/5-5A class 1.0 – 5P10 burden 15VA – 15 VA insulation level 28 KV/75 KV as per IS-2705 complete all as specified and as directed.

M&L in replacement of 11 KV single phase in door Resin cast CT of ratio 200/5-5A class 1.0 – 5P10 burden 15VA – 15 VA insulation level 28 KV/75 KV as per IS-2705 complete all as specified and as directed.

M&L in replacement for GI pipe light grade 100 mm dia for road crossing along with pole/culvert /drainage for mechanical protection of cable complete all as specified and as directed.

M&L in replacement for GI pipe light grade 80 mm dia for road crossing along with pole/culvert /drainage for mechanical protection of cable complete all as specified and as directed.

M&L in replacement of danger notice board/plate of 1.6mm thick mild steel sheet , vitreous enameled white with letters, figures , and conventional skull and bone in signal red colour and fixed with MS clamps bolts approved size ofr HT 25cmx20 cm complete all as specified and as directed.

Dismantling and taking down old unsv earthing and M&L for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by charcoal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to galvanised earth strip of 32x6 mm dia by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through 40mm dia GI pipe for protection of GI earth strip including 20mm dia GI pipe for watering GI funnel , PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part-I including testing complete all as specified and as directed.

S&F in replacement of aluminium strip of size 32x6 mm with saddles and fixing screws on porcelain insulator/spacer fixed at every 1 mtr length as lightening conductor for lightening arresters on HT poles/Transformer incl necessary nut & bolts complete all as specified and as directed.

Dismantling and taking down old rusted cross arms and M&L cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts and wasters,welding, bending cold or hot, drilling holes for bolts in any shape or size as indicated or directed and inclusive of one primer coat of red oxide primer and two coats of aluminum paint complete all as specified and as directed.

Removing of accmulated Mud/soil (during flash flood inside main receiving station yard) collecting mud manually/machinically and clening the chambers where ever cables passes through chambers inside the yard keeping the mud/soil outside for refilling the holes srounding the yard and making it plain to match with existing surface level complete all as specified and as directed.

M & L for loose filling in substations, under poles, under transformers of hard core broken to gauge not exc 30 to 40 mm broken stone/boulders incl leveling and spreading llime stone powder under stones inside main receiving station yard complete all as specified and as directed.

M & L for loose filling in substations, under main water supply sub stations of hard core broken to gauge not exc 15 to 20 mm broken stone/boulders incl leveling and spreading llime stone powder under stones complete inside water supply sub station complete all as specified and as directed.

M & L for highly HT insulating opaque red coloured ANTI TRACK COMPOUND SPRAY 320 of MOSIL LUBRICANTS that forms flexible chemical resistank coating to class H winding for electrical apparatus, in 500 ml spray bottles to protect HT equipments, bus bar, CTs, PTs from current leakage due to moisture complete all as specified and as directed.

M&L for Danmet Chemical spray (DC> 2-26 having container 415ml/300g for precision blended multipurpose product for prevents corrosion penetrates, lubricates, displaces and seals out moisture release rusted mechanism cleanse etc complete all as specified and as directed.

M & L for HT OC protection relay for 33/11 KV transformer control panel , 3 phase, In-1A/5A, fn : 50 Hz, Vx : 18-135 V DC, Model MIT103, Make : ERL, Genesis, incl dismantling of old unsv protection relay and necessary setting of new relay with all connected tripping mechanism/power transformer control relays and submit necessary test report complete all as specified and as directed.

M&L in replacement of cable jointing kit for 11 KV (earthed) heat shrinkable, straight through joint suitable for cross sectional area 95 Sqmm, 3 core aluminium conductor XLPE Cable including jointing material and accessories complete and cutting of old cable complete all as specified and as directed.

M&L in replacement of cable jointing kit for 11 KV (earthed) heat shrinkable, straight through joint suitable for cross sectional area 120-185 Sqmm, 3 core aluminium conductor XLPE Cable including jointing material and accessories complete and cutting of old cable complete all as specified and as directed.

Labour for Cutting of tree branches 2 mtr vicinity of the conductor which are touching to the 11/9 mtr Over Head Lines in vertically & horizontally conductor and poles etc, complete clear in a standard Span in between two poles as per SSR Part-1, 19.59 and including cutting the grass srounding the all E/M substation removing cutting material not exc 50 mtr and depositing where directed at a distance level not exc 3 mtr from starting point complete all as specified and as directed. (Note: Pole to pole will be consider as one span of any length and nos of conductor).

M& L for Vice type connectors of 3mm to up to 13mm consisting of two brass plates, and two steel bolts and nuts for 2 conductors 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 Vice type taps of 3 to 14mm consisting of two brass plates and one bolt and nut for connecting 2 equal or unequal size conductors for service wire complete all as specified and as directed.

Supply and fixing in repair/replacement Bimettallic Clamp or T clamp or CT Clamp or Cross Clamps for connection of dog conductor with Cable end, CTs, NCTs, Transformer HT Bushes complete all as specified , Note : each clamp will be considered as one item of work.

M&L in replacement of Galvanised steel wire 4.0 mm dia for continuous earth wire/cradle guard for HT overhead line 11/0.415 KV line complete all as specified and as directed.

M&L in replacement of Winding temp guage, Oil temp guage range between 0 to 150 degree Cel as suitable for existing transformer 33/11 KV complete all as specified and as directed.

M&L for dismantling insulators any type, any size complete all as specified and as directed.

M&L in replacement of Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 50mm height, 65mm dia for 1100 volts grade complete all as specified and as directed.

M&L in replacement of Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100mm height, 65mm dia for 1100 volts grade complete all as specified and as directed.

M&L in replacement of Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100mm height, 100mm dia for 1100 volts grade complete all as specified and as directed.

M&L in replacement of 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, 135mm dia for 1100 volts grade complete all as specified and as directed.

M&L for fixing of PVC Low surface finisihing spring clamp premium-grade mechanical connector engineered for high tension applications in power distribution and sturctural support made of Hot-dip galvanized steel robust 16 bolt system suitable for high tension compreesion spring for making strong grip complete all as specified and as directed.

M&L in replacement of loop type insulator vitreous porcelain white, brown or green large size withoverall dimensions 90 mm x 140 mm clearance of hole 25.5 mm complete all as specified and as directed.

Sarbat Construction Co (BID ID -3508485)

M/S DC CONSTRUCTIONS (BID ID -3508637)