81449 REPAIRS/MAINTENANCE OF HT EXTERNAL ELECTRIFICATION AND CONNECTED WORKS AT INS KATTABOMMAN UNDER GE TIRUNELVELI

Amount

SCHEDULE 'A'

M & L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections Including nuts, bolts, washers,welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint after removing the unserviceable, complete all as specified and directed.

M & L for 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, 150mm dia for 11000 volts grade / post insulator for A B Switch after removing the unserviceable, complete all as specified and directed.

M & L for Disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, white, brown or green Two-in-series' assembly for tension with tension clamps for conductors, working pressure 11000 volts after removing the unserviceable, complete all as specified and directed.

M & L for Aluminium conductor steel reinforced on 11 KV over head line after removing the unserviceable, complete all as specified and directed.

M & L for Expulsion fuse single pole DO fuse assembly 11000 volts 100 Amps upto 200 KVA transformer after removing the unserviceable, complete all as specified and directed.

M & L for switch air break , gang operated, Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps , 11000 volts as specified and directed after removing the unserviceable, complete all as specified and directed. Make : Jaipuria/ L&T/ C&S

M & L for Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp, 11000 volts after removing the unserviceable, complete all as specified and directed. Make : Jaipuria/ L&T/ C&S

M & L for Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp, 33000 volts after removing the unserviceable, complete all as specified and directed. Make : Jaipuria/ L&T/ C&S

M & L for 11 KV (Earthed) grade outdoor termination kit, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm after removing the unserviceable, complete all as specified and directed. Make - Raychem/ Dension/ 3M

M & L for 11 KV (Earthed) grade outdoor termination kit, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm all as specified and directed. Make - Raychem/ Dension/ 3M

M & L for 11 KV (Earthed) grade outdoor termination kit, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 400 sqmm after removing the unserviceable, complete all as specified and directed. Make - Raychem/ Dension/ 3M

M & L for 11 KV (Earthed) grade cable for straight through joint kit, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm after removing the unserviceable, complete all as specified and directed.

M & L for 11 KV (Earthed) grade cable for straight through joint kit, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sqmm after removing the unserviceable, complete all as specified and directed. Make - Raychem/ Dension/ 3M

Supplying and laying reinforced precast concrete cable cover,but class HV, Type 1, flat, size 300mmx l80mm x 40mm complete all as specified and directed.

Dismantling cross-arms of M.S. channel or angle sections etc. complete form OH line and setting aside for re-use with in 50m complete all as specified and directed

Dismantling Unserviceable insulators any type, any size form OH line complete all as specified and directed.

Dismantling of Unserviceable ACSR conductors of any size complete all as specified and directed.

M&L for providing pre cast cement concrete in 1:3:6 mix,type C1(using 20mm graded stone aggregate) in coping for poles all as specified

M & L for PCC 1:4:8 type D2 with 40 mm Cement concrete in foundations,filling and mass concrete complete all as specified and directed.

M & L for aluminium painting to steel & iron structure surfaces of 2 pole structure of electrical yard with two coat of aluminium paint over one coat of red oxide Primer complete all as specified and directed. Make : Burger/ Asian/ Nerolac Note : Chain link fencing of 2 pole structure electircal yard will be measured in Sqm and paid separately.

M & L for aluminium painting steel & iron structure surfaces of 4 pole structure of electrical yard with two coat of aluminium paint over one coat of red oxide Primer complete all as specified and directed. Burger/ Asian/ Nerolac Chain link fencing of 4 pole structure electircal yard will be measured in Sqm and paid separately.

M & L for aluminium painting of chain link fencing of 2/4 pole structure electircal yard with one coat of surfaces of any description, over 10cm in width or girth,not otherwise described all as specified and directed. Burger/ Asian/ Nerolac

Supply and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts, grade cross sectional area 185 sq mm 3 core all as direceted.

Supply and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts, grade cross sectional area 150 sq mm 3 core all as direceted.

Supply and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power control cables (heavy duty) with Copper conductor, 1100 volts grade cross sectional area 1.5 Sqmm 16 core all as specified and directed.

Dehydration and Filtration of transformer oil through on line method of transformers of different capacities through stream line filter unit to increase di -electric strength (BDV) of transformer oil not less then 50 KV for 1 minute at 2.5 mm gap including topping up transformer oil to the required level as indicated to each transformer and testing, transformer oil before and after filtration submission of records of test in duplicate complete all as specified and directed. Note: Transformer oil for topping up will be measured and paid separately

S & Fill Transformer oil confirming to IS 335/93 grade suitable to topping up of transformers and OLTC tank through stream line filters while Dehydration all as specified and directed.

M & L for dismantling the 11 KV HT Supply and isolating the distribution transformer of capacity 50/63/100/125/160/200/250 KVA draining out the insulating oil from the tank removing the damaged gasket and replace the same size / thickness of new gasket in position, conservatory tank oil indicator, inlet outlet defective valves, burnt bushes with gaskets and brass studs re-filling back drained transformer oil and ensuring no leakages of oil from any part of the transformers and then testing, checking and energizing complete all as specified and directed.

Material and Labour for replacing silica gel Breather container clear view type upto 0.5 Kg , first fill of good quality silica gel Make: Suvida/ Waltzer/ Fluidyne

Material and Labour for replacing silica gel Breather container clear view type upto 1 to 1.5 Kg , first fill of good quality silica gel. Make: Suvida/ Waltzer/ Fluidyne

Material and Labour for replacing silica gel Breather container clear view type 3.3 Kg , first fill of good quality silica gel. Make: Suvida/ Waltzer/ Fluidyne

Dismantling all electric connections and taking down the transformer 160/200 KVA outdoor type, transporting to the reputed workshop, opening the top cover carefully, decanning the transformer oil in drum , taking out the core assembly and arresting of internal and external cracks with iron electrode and brazing, well finishing with existing colour code and fabricate the existing guage of sheet , after lowering of core assembly heating the core assmbly inside heat chamber upto required insulation level as per manufacturer instructions and lowering down inside the casing of tranformer , connecting tap changer wiring , filling of dehydrated transformer oil and testing complete , transporting to site and commissioing after installation. Note : Transformer oil will be measured and paid separately for topping up.

Opening the top cover of the transformer and OLTC chamber of 3.15 MVA/ 4 MVA power transformer each carefully, decanning the transformer oil in drum removing the old worn out gasket and providing new gasket and replacing of defective fixed and movable contacts 8 sets of same size/thickness complete including refixing the top cover and refilling the oil complete all as specified and directed.

M & L for repair and servicing/overhauling of existing VCB porcelain clad 250/300 AMPS 33 KV out door 50 Hz, 750 MVA of Make MEGA WIN SWITCH GEAR Type MSP 36 by M & L all unserviceable parts,wiring, contactor, greasing of revalving of VCB Chamber, caliberation of relay including decarbonising of VCB Panel and serviceability check from remote operation ,meters tripping coil check and replace if require including current simulation etc & testing on completion for satisfactory functioning complete all as specified and directed.

M & L for opening the cover of VCBs 11 KV and servicing of fixed and moving contacts, repair and overhauling of fixed copper terminal/contacts (male and female ),insulation tubes including other connected items to smoth function of panel board , lamp indicators ,meters tripping coil , caliberation of over load protection relay , time delay relay /earth fault relay etc . Clening the fixed and moving contact inside the VCBs properly , checking of spring charging mechanism, servicing and graesing all movable machanisum , replacement of defective fuses , wiring and reassembling and testing and serviceability check from remote operation complete all as directed and manufacturer instr.

Servicing of RTCC panel, repair and replacement of defective components such as fuse carriers, cut outs, indicators meters etc checking and repair of wiring and made the panel serviceable in auto operation and replace if require including current simulation complete all as directed and manufacturer instruction

Supplying and laying synthetic Rubber insulated mats 3 mm thick for voltage upto 33 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m.

Maintenance, testing and Servicing of CT & PT of 33 KV capacity including repair to get correct current & voltage ratio replacement of old gasket with new gasket of same type/size and topping up of new oil of same grade and replacement of old nut bolt washers etc. complete all as specified and directed.

M & L for HT bushing out door type for transformer ,brass metal part as per IS 3347/1967 complete with bushing brass stem nut,bolt,washers, brass studs and gasket etc complete upto 200 KVA

S & F power pack unit with input voltage of 230VAC or 110 VAC single phase 50 Hz and output of 110VDC, 30Wsec (stored) and 110VDC, 75 W(Non stored) all as directed. Make - Schneider/ Amaron Raja/ Exide Note:- The power pack shall be compatible with the existing HT breaker

M & L for painting the transformers with two coats of synthetic enamel paint of smoke gray colour including scraping and removing the old painted surfaces painting with two coats of supper enameled paint colour of existing for following transformer all as specified and directed. Make : Burger/ Asian/ Nerolac

63 KVA capacity

Repair/Maintenance of A.B switch , gang operated of any type & size including cleaning of male & female contracts greasing of moving parts , replacement of unserviceable contacts, insulator, including operating GI pipe replacement if required all as specified & directed for smooth funchtiong of A.B switch all as specified and directed . Note : Post insulator & male / female contacts will be measured & paid separately under relevant items inclusive of replacement of miner worn out parts )

A. B switch 33 KV TP 400 Amps

A. B switch 11 KV TP 200 Amps

Supply only male & female brass contact set for 33 KV A B switch

Supply only male & female brass contact set for 11 KV A B switch

S&F CT 12KV Grade for RMU, Resin cost 50 Hz with Class A insulation Class 1.0, Burden 15VA , 100/1/1 Amps, complete all as specified and directed.

Excavation in trenches n.exc 1.5 M wide and n. exc 1.5 M depth and getting out in hard/dense soil .

Returning, filling in incl spreading leveling, watering and well ramming in layers n.exc.25cm thick.

Removing excavated material to a distance n.exc 50 M and depositing where directed at a level n.exc 1.5 M above the starting point.

Supply, spreading and compacting of approved riddled earth in cable ducts / trenches for cable cushion on both top and bottom of cable, including ramming complete all as specified and directed. Note :- Punned thickness will only be measured

Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 400 sqmm. Make - Reychem/ Dension/ 3M

M&L for laying and levelling stone aggregate loose filling using 40 mm graded stone aggregate around the transformer yards after removing the existing debries and stacking the existing aggregate complete all as specified and directed.

Phejays Agencies (BID ID -3444868)

M/S Mist Hills Enterprices (BID ID -3441125)

VVM CONSTRUCTIONS (BID ID -3451062)