REPAIR MAINT OF TRANSFORMER AND VARIOUS CONNECTED ITEMS UNDER GE GWALIOR

Amount

Material and labour for transportation of transformer from site/E & M yard to workshop for repair of capacity 50 to 500 KVA complete incl Disconnection of transformer any make indoor/outdoor type from LV/HV side including disconnection of earthing GI strips and taking down transformer from plinth/04 pole structure/02 pole structure with the help of chain pulley/crane incl megger test, ratio test, magnetic balance test. Short circuit test and reinstallation the transformer after repair to its original position and making all LV/HV connections incl earthing and testing complete all as specified and directed. Note:- Shifting of transformer from site/yard to wkshop and return back from workshop to site/yard shall be measured as single unit. Necessary tools and equipments with labour for shifting of the transformer and transportation to workshop and back deemed to be included in the quoted rate.

Material and labour for draining out transformer oil from the transformer of any make indoor/out door and store in a clean barrel for re-use and disconnection of internal electrical connection by taking out the top cover complete, cleaning of tank, removal of sludge etc by lifting the core with complete LV/HV coil of transformer and segregating to serviceable and unserviceable coils shall be kept aside for reuse after complete varnishing and testing of each coil including removal of complete core and accessories such as HV/LV bushings with metal parts, oil temp indicator, winding temp indicator and disconnection of tap changer. Assembling of yoke fitting, assembling of LV/HV coil in completely intact position over the CCSI laminated core the HT coils shall be fixed over the LV coils by providing the insulation barriers and making the assembly complete in intact position (insulation material shall be measured and paid separately) including assembling of core mounted on channel connecting all the internal connections, soldering brazing of HV/LV connections by silver electrodes including replacement of leads complete by providing tubular insulation of tap changer assembly and its connections and lowering of complete assembly in tank with suitable locking arrangements re fixing the top cover of transformer including the other accessories and making the transformer leak proof complete all as specified and directed for the following capacity.

50 KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

Material and labour for winding of HV/LV coils of transformer DPC copper winding wire grade of existing gauge and size complete all as specified and directed.

M&L for winding of HV/LV Coil of transformer DPC aluminium winding wire grade of existing gauge and size complete all as specified and directed.

M&L for insulation material PCB electrical grade such as barriers, coil to coil insulation block and rings insulation cylinders, ebonies sleeves etc all as specified and directed for 50 KVA to 500 KVA transformer complete all as specified and directed.

M&L for ovening of complete core assembly including HV/LV coils in oven for minimum 72 hrs for achieving desired insulation value complete all as specified and directed. Note:- Re opening shall be done without any extra cost if the desired result are not found after fixing the coils back to its original position in the tank.

S&F in renewal of heavy duty oil level indicator clean prismatic type with necessary gasket etc suitable for transformer up to 500 KVA capacity complete all as specified and directed.

S&F cork sheet gasket kit cut to shape for the top covers and other required places of the transformer of following capacity of transformer complete all as specified and directed.

50 KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

M&L for pouring fresh/topping up transformer oil for 33/11 KV and 11/0.433 KV transformer confirming to IS-335 in the transformer of any capacity complete duly filtered having dielectric breaking strength not less than 60 KV all as specified and directed.

M&L for cleaning of surface of transformer of capacity by scrapping out old paint and painting of transformer by two coats of synthetic enamel gray paint externally over a coat of red oxide including writing of SM/MES No on the transformer complete all as specified and directed for the following capacity.

50 KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

M&L for opening up top cover of transformer installed in position, disconnecting connections and reconnecting after renewal of worn out/defective parts such as check nuts,washers, LT bushes, HT bushes, Tap changers etc, refixing the top cover in position after completion of the repair work complete all as specified and directed for the following capacity of transformer :- Note : Defective parts shall be measured and paid seperately.

50 KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

S&F of LT bush with low Voltage brass studs with checks nuts , washers etc of 11 KV grade and LT bushing parts such as porcelain, clamp nuts and bolts etc complete all as specified and directed for the following capacity of transformer :-

50KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

S & F of HT bush with High Voltage brass studs with checks nuts , washers etc of 11 KV grade and HT bushing parts such as porcelain, clamp nuts and bolts etc complete all as specified and directed for the following capacity of transformer :-

50KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

Supply and fixing Breather assembly with silica gel and mounting packing with bolt & nuts complete all as specified and directed for the following capacity of transformer :-

50KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

Supply and fixing Tap changer assembly complete all as specified and directed for the following capacity of transformer :-

50 KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

Taking out complete core assembly with HV and LV coils tap changer assembly and connected items after opening of top cover of transformer. Complete inspection of core assembly carefully, cleaning of complete core assembly with pressure pump with transformer oil, necessary repearing as required, making necessary insulation etc and refixing the core assembly in tank locking with locking nut and bolts. Making all internal connections with required silver rods, copper strips etc. Refixing top cover etc and making the transformer leak proof all as specified and directed.

50 KVA to 100 KVA

100 and upto 250 KVA

250 KVA upto 500 KVA

M&L for dehydration and filtration of transformer oil for 33/11 KV and 11/0.433 KV transformer to achieve dielectric breaking strength (BDV) not less than 45KV/22 KV any capacity to transformer by suitable filtration machine complete all as specified and directed.

M&L for preparation of LT side burnt cable end after cutting of burnt portion and supply & fixing new copper cable lugs (set of 3 Nos) insulation etc including taking out cable loop including necessary excavation. Earth work, returning filling etc compete all as specified and directed for the following size of cables.

Size 50 Sqmmto 95 Sqmm 3.5 Core

Size 120 Sqmmto 185 Sqmm 3.5 Core

Size 240 Sqmmto 400 Sqmm 3.5 Core

M & L for lightening arresters expulsion type 11 KV grade complete with all fittings, transmission class, discharge capacity 65 Kilo Amps complete all as specified and directed.

Supply, laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminiium conductor, 11000 volts grade cross sectional area 95 sq. mm 3 Core complete all as specified and directed.

Supply, laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminiium conductor, 11000 volts grade cross sectional area 120 sq. mm 3 Core complete all as specified and directed.

S&F cable joining kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

S&F cable joining kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

Supply and fixing CT (Current Transformer) for 11 KV Out door, oil immersed type, 11 KV, core 1&2 -10VA CLASS 10P10 STC- 13.1 KA FOR 1 SEC Ratio 200-100/5+5 complete all as specified and directed.

Supply and fixing PT (Voltage Transformer) for 33 KV out door VCB,oil immersed, 33 KV, 33000/110 V, VA-5 CLASS 1 RATED FRIQUENCY 50 HZ complete all as specified and directed.

M & L for switch air break gang operated triple pole out door type with drop out switch fuse unit on HT 11 KV 50 cycle AC suitable for current rating upto 200 Amps mechanically operated mounted on insulators (12 Nos epoxy insulators) and frame with operating mechanism worked from ground level with earth switch and including locking arrangement complete all as specified and directed.

Supply & fix only DO Copper fuse wire of following Amp : -

Supply & Fixing aluminium tube terminal in repair heavy duty-BS-4579 for following sizes :

M&L Cable joining kit for LT cable for outdoor termination in repair heat shrink type joint complete with joining material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 95 sqmm to 185 sqmm complete all as specified and directed.

M&L Cable joining kit for LT cable for outdoor termination in repair heat shrink type joint complete with joining material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 185 sqmm to 400 sqmm complete all as specified and directed.

M&L Chemical earthing with copper earth plate 90x60cmx5mm & copper earth strip copper earth strip 32x6mm complete all as specified and directed.

M&L Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm 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 normalground level, connected tobut using galvanised iron strip 32×6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed.

S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated using 32 x 6 mm galvanized MS strip complete all as specified and directed.

M & L Spray of agricultural based chemical inside the installation to control the growth of unwanted herb etc including cleaning of the grass herbs bushes etc from the installation complete all as specified and directed.

S&F Lightning arresters expulsion type complete in repair with all fittings, transmission class, discharge capacity 65 kilo amp of 33KV) including taking down of u/s material complete all as specified and directed.

Dismantling insulators any type, any size complete all as specified and directed.

Dismantling stay assembly (demolition of concrete, etc. and excavationmeasured separately) complete all as specified and directed.

Dismantling of ACSR or AAC conductors complete all as specified and directed.

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

Dismantling concrete poles/ struts/steel pole, any size complete all as specified and directed.

M&L, Steel tublar swaged poles, complete with cast iron base plate, finials taper plug , bolts, nuts & screws as specified type 410 SP-55 (11.00 mtr long) complete all as specified and directed. Note : Earth work and PCC shall be measured & paid separately under respective items.

M&L for PCC 1:4:8, type D2 (using 40mm graded stone aggregate) as in foundation filling and mass concrete all as specified and directed.

M&L for PCC 1:3:6, type C2 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete all as specified and directed.

M&L for PCC 1:2:4 type B-0 using 12.5 mm graded BT stone aggregate as in bed block for hold fast or coping including necessary form work complete all as specified and directed.

M & L for cross arms, bracing, supports, clamps and back plated fabricated from structural steel sections including nuts, bolts, washers, welding bending cold or hot drilling holes for bolts in any shape or size as directed inclusive of 2 coats of aluminium paint over a coat of red oxide primer after dismantling old unserviceable cross arms complete all as specified and directed.

S&F disc type Insulator (single disc assembly) in repair porcelain vitreous, white brown or green 145 mm height and 255 mm dia ball and socket type with tension clamp galvanized iron nut for conductors working pressure 11000 volt grade complete all as specified and directed.

S&F 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 complete all as specified and directed.

M&L for stay assembly 16/20mm dia rod complete with accessories as shown in electrical plate No 1 (Loop type insulator, stay clamps, excavation and concrete measured separately) complete all as specified and directed.

M&L Loop type insulator, vitreous porcelain,white, brown or green Large size, with overall dimensions 90mmx140mm, clearance of hole 25.5mm complete all as specified and directed.

M&L for fixing of ACSR conductor on existing or new poles complete all as specified and directed.

M & L for two coat of Aluminium paint for 2 Pole/ 4 Pole HT structure including pole fittings such as cross arms of any description, anti-climbing devices, nut, bolts etc. incl scrapping and rubbing of old u/s paint etc and including numbering of poles complete all as specified and directed.

Third Wave Services Pvt Ltd

GS ENTERPRISES

M/S SANTOSH CONSTRUCTION CO

M/S GUPTA ENTERPRISES