REPAIR REPLACEMENT OF HT EXTERNAL ELECTRIC SUPPLY AND MAINTENANCE OF TRANSFORMER AT TECH AREA TAKU ITARSI UNDER GE (I) (P) FYS JABALPUR

Amount

Excavation in trenches in any type of soil (loose/ hard) not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr in depth and getting out in soft/loose soil for foundation of pole, laying under ground cables etc and getting out complete all as directed.

All as per above item No. 1 here in before but for each additional 1.5 mtr or part thereof in depth beyond the first 1.50 mtr.

M&L for road cutting, PCC hard standing including excavation for laying of GI pipe 80 mm dia, and making good the disturbed surfaces all as per existing surface.

Returning filling in with the earth obtained from above item including spreading, levelling, watering and well ramming in layers and not exceeding 25 cm in layer complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50 Mtr and deposting where directed at a level not exceeding 1.5 Mtr above the starting point all as dircted.

M & L sand filling in trenches for cable cushioning with clean, dry and unwashed sand free from sharp particles including gently punning around cable complete all as specified and directed.

M&L Sub class 'B' bricks well burnt laid with length perpendicular to the axis of the cable in trenches for protection to cable complete all as directed by Engr-in-Charge.

M&L PCC 1:4:8 type D-2 using 40 mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and directed.

M & L PCC 1:2:4 type B-1 using 20 mm graded stone aggregate cast in position as in coping (for packing of steel structure above ground level) including necessary use of form work and fair finish to exposed surfaces complete all as specified and directed.

M & L PCC 1:3:6 type C-1 using 20 mm graded aggregate stone for foundation filling and mass concrete of pole and stay complete all as specified and directed.

Restringing of 33/11 KV HT ACSR over head conductor of three wire run conductor comprising of any size on existing pole after opening from insulator by taking out of binding wire and refixing the same with suitable size of binding wire upto permissible sag after restringing including proper fixing of depositioned insulators complete all as directed by Engr-in-Charge.

Material and labour for preparation of old painted / rusted surfaces of steel tubular poles HT/11/9/9.5 mtrs long type 410 SP-55 and applying one coat of synthetic enamel paint up to 1.2 mtr height as per exising pattern above the P.C.C coping and two coat of aluminum paint (1st quality) beyond 1.2 mtr height (for the rest of portion) incl cross arms and channel, angle fitted on the pole incl wiriting pole numbers with white paint on black back ground and cutting vegetation growth all around the poles up to 1 mtr radius complete all as specified and directed.

Material and labour for preparation of old painted surfaces of HT PCC poles 11 mtrs long, 410 SP-31,55 and applying two coats of synthetic enamel paint up to 1.2 mtr height as per exising pattern above the P.C.C coping and two coats of aluminium paint to cross arms and channel, angle fitted on the pole incl wiriting pole numbers with white paint on black back ground and cutting vegetation growth all aronnd the poles up to 1 mtr radius complete all as specified and directed.

Taking down existing pin type insulator of any size and M&L pin type insulator of size 150 mm height, 150 mm dia porcelain vitreous white or brown/green insulator for working pressure 11000 volts with one galvanised spindle and two galvanised iron washers and nut complete all as specified and directed.

All as per item No.14. but for 33000 volts grade.

Taking down existing disc type insulator and M&L disc insulator single disc assemly for tension with tension clamps for conductors, porcelain vitreous white, brown or green insulator working pressure 33000 volts including galvnised mild steel straps of size 31X 3 mm, 145mm height and 255 mm dia, insulator bolts, washers and nuts etc complete all as specified and directed.

All as per item No16. but Three-in-series assembly working pressure 11000 volts.

Taking out/down unserviceable, defective cable of any Type/size including disconnecting all the electrical connections and 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 complete as directed

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

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

M&L for cable jointing kit for 11 KV (E) grade cable for staight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium cable of size 120 Sq mm incl testing complete all as directed and specified by Engr-in-Charge.

Taking down of existing GI cable protection pipe of any size from wall, road crosing, pole etc and M&L for GI pipe light grade 100 mm bia bore with all fittings and fixed complete to wall, to pole or laid in trenches and road crossing complete all as dircted.

Dismantling old unserviceable cross arms, channel or angle sections etc. complete from steel /RCC poles and M & L MS structure ( Fe-310-00 or Fe-410-00 ) such as MS flat, angle, channel etc in cross arm brackets, 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 directed and including two coat of aluminium paint over a coat of red oxide primer complete all as specified and directed.

Dismantling of UNSV HT tubular pole after taking down ACSR conductor , insulators cross arms including demolition ofold PCC upto ground level etc.

Supply and errect in replacement of steel tubular pole type 410 SP,37 (9.5 mtr long) steped with CI base plate finial tapper plug, bolts 8' (inch) long, nuts and screw as specified for confirming to ISI of any approved make.

M&L Steel tubular swaged pole 11 meter long complete with cast iron base plate, finial taper plug, bolts 8'(inch) long, nuts& screws as specified type 410 SP-22 complete all as specified and directed.

Dismantling of ACSR conductor of any size from over head line HT poles and M&L for ACSR conductor of any size fixing to insulator with necessary binding wire of suitable size complete all as specified and directed. Note: 3% extra shall be added to the weight for sagging, jointing, jumpers,etc

Taking down unservioceable GI earth wire and guarding wire and remove from site all as directed

M & L replacement of galvanised steel continuous earth wire of size 4mm dia for earth continuty conductor complete all as directed.

M & L replacement of GI cradle guard hexagonal/rectangular with galvanised steel wire of 4mm dia complete all as directed.

M&L, testing & commissioning swtch air break (Gang operated) vertical/horizontal ( as per site requirement) operated from ground level outdoor type with 9 set of porcelin insulater for RYB phases suitable to working on 33 KV pressure line 200 Amps capacity with locking arrangement at both ON & OFF position consisting of MS channel, HT 33 KV double strack post type insulator, copper or copper alloy high pressure heavy tinned contact assembly arcing horn phase, coupling rod, operating handle, sufficient length of 25 mm dia GI pipe as down rod worked from ground level conforming to IS-1818-1961 complete all as specified and directed by Engr-in-charge.

Supply and fixing, testing & commissioning drop out fuse unit 200 Amps capacity, suitable to 3 phase HT 33KV system, explusion outdoor type suitable for vertical installation, fuse link consisting of galvanised channel iron base four insulator per phase complete with fuse carrier, bakelite fuse with heavy tinned nonferrous metal parts and spring loaded phosphorus bronze contact manufactured as per relevant IS/BIS specifications with suitable fuse element with hylem tube to secure the fuse wire complete all as specified.

Supply and fixing, testing & commissioning air break switch (Gang operated) Horizontaly operated from ground level outdoor type with 9 set of insulater for RYB phases suitable to working on 11 KV pressor line 200 Amps capacity with locking arrangement at both ON & OFF position consisting of MS channel, HT 11 KV double strack post type insulator, copper or copper alloy high pressure heavy tinned contact assembly arcing horn phase, coupling rod, operating handle, sufficient length of 40 mm dia GI pipe as down rod worked from ground level conforming to IS-1818-1961 complete all as specified.

All as per item No 36 but 11 KV system

M&L Lighting arresters explusion type complete with all fittings. 65 K Amp discharge capacity distribution class, suitable for 33KV complete fixed on channel / cross arm including connecting to overhead line and upto earth pit complete incl taking out unsv all as specified. (Set of three)

M&L for Lighting arresters explusion type complete with all fittings,30 KA discharge capacity, distribution class, suitable for HT 11KV complete fixed on channel / cross arm including connecting to overhead line and upto earth pit complete incl taking out unsv all as directed.

Re-adjustment of the alignment, cleaning of contact, greasing and testing of out door type air break switch 3 pole 11 KV current rating upto 200 Amps including all materials required for alignment of AB switch in position and replacement of unserviceable parts, connections with and including lugs, GI nuts, bolts etc complete all as directed. Note : Replacement of unserviceable parts shall be measured and paid separately under relevant items.

Supply and mounting/ fixing brass terminal plate male contact suitable for 11 KV AB switch insulator including GI nuts and bolts, washers etc as required complete all as directed.

Supply and fixing male contact including ribbed copper flexible arc quincher, arm, tension spring suitable for 11 KV, 200 Amps AB switch complete with GI nuts, bolts and washers etc complete all as directed.

All as per item 43 but female contact complete.

Taking down the Transformer from four/two pole/platform munted and transportation to the workshop and back, opening/striping off transformer 33KV/11 KV step down capacity 500 KVA, draining out oil, preserving in container for refill, lifting the core & coil assembly washing and cleaning dust, dirt and sludge etc deposited on all parts, replacement of damaged/defective parts/ winding coil whereas required, making internal connection, servicing of tap changer and reassembling the transformer after repair and replacment new cork sheet gasket, packing, nuts, bolts, washer etc and arrest the oil leakages as required, check the di- electric straingth of transformer oil and refilling transformer oil and testing & commissioning complete all as directed. Note: spare parts/winding will be measured seperately and paid under relevent items.

All as per item No 45 but step down transformer capacity 25/100 KVA, 11 KV /0.433KV

Taking down the existing damaged coil of any capacity and M&L coils transformer of cap 25 KVA to 500 KVA 33/11 KV and 11/.433 KV (HT Coils) with new winded coils with super enamelled copper winding, guage and number of turnings & weight suit with the existing coils with allied insulation materials, packing and spacers etc, complete all as specified and as directed by the Engr-in -Charge.

Taking down the existing damaged coil of any capacity and M&L coils transformer of cap 25 KVA to 500 KVA, 33/11 KV and 11/.433 KV (LT Coils) with new winded coils with cotton braided copper wire or strip of approprite size (thickness & breadth) number of turnings & weight to suit with the existing coils with allied insulation materials, packing and spacers etc, complete all as specified and as directed by the Engr-in-Charge.

Taking down the existing HT porcelain insulators and S&F HT porcelain insulators, brass/gunmetal connecting rod, rubber and metal bush incl wahsers for Transformer of cap 25 KVA to 100 KVA step down 11/.433 KV complete all as directed by Engr-in-Charge.

Taking down the existing HT porcelain insulators and S&F HT porcelain insulators, brass/gunmetal connecting rod, rubber and metal bush incl wahsers for Transformer of cap 500 KVA step down 33/11 KV complete all as directed by Engr-in-Charge.

All as per item No 45 hehein before but LT side

All as per item No 46 herein before but LT side

M & L replacement of breather with fresh filling of silicagel 0.5 Kg capacity in non metallic transparent enclosure for transformer upto 500 KVA capacity.

S&F in replacement of Oil drain valve for transformers upto 100 KVA complete all as directed

Supply, treating (dehydrating), filling new transformer oil (for toping up) having dielectric strength not less than 60 KV, confirming to IS-335 in transformers complete all as directed by Engr-in-Charge.

Removal of vegetation/bushes/ small plants/srubs around the electric pole/in side installation by excavating not exceeding 15 cm depth and levelling the ground by disposing of unwanted material not exc 50 Mtr away from the site and putting the same in low laying area all as directed by Engr-In-Charge.

M & L Preparation of old painted surface of transformers of capacity from 25 KVA to 500KVA 33KA or 11 KV , spray painting with two coats of synthectic enamell paint including writing SM/MES Nos with approved colour paint letters, not less than 30mm high.

M&L for vaccum dehydration filter with stream line oil filtration machine on line for filtration of transformer oil to make the oil fit for re-use by improving its dielectric strength not less than 40 KV in 2.5 mm gap electrode after dehydration, if the die-electric strength below 40 KV shall be replaced with new oil. (New oil for toping up will be measured seperately and paid under relevent item)

M & L Earthing for transformer body, transformer neutral, LT feeder pillar box with galvanised iron earth plate of size 600 x 600 x 6 mm thick burried directly in ground not less than 2.5 mtr below grond level, earth plate paced on all side with charcoal mixed with salt to a thickness of 150 mm connected by GI earth strip of size 32 x 6 mm thick soldered and revetted to earth plate. GI earth strip will be protected by using 50mm bore GI pipe (light grade) earth plate to transformer body, LT feeder pillar box, and neutral of transformer with the including flat iron clamp 25 x 3 mm including bolts, nuts & washers complete. The earthing includes PCC pit, RCC cover and frame, watering pipe 20 mm bore, funnel with wire mess etc. all as specified and shown in electrical plate No 5 of SSR Part - I

M & L Earthing of Poles with GI wire 4mm dia with galvanised cast iron earth plate of size 600 x 600 x 6 mm burrieed directly in ground vertically to a depth not less than 2.25 mtr below ground level, earth plate shall be packed on all side with charcoal mixed with salt to a thickness of 150mm connected to GI earth wire 4mm dia (8 SWG) protected by GI pipe 15mm bore (light grade) and watering pipe 20 mm dia (light grade) 2.5 mtr long, with earth work including disposal of surplus soil to a distance not less than 50 mtr, PCC pit, RCC cover, frame funnel, wire mesh. The GI earth wire 8 SWG under the earth and on the pole up to a height of 1.5 mtr shall also be protected by 15mm dia GI pipe (light graded) GI pipe to be fixed with pole by the means of 2 Nos flat iron clamp 25 x 3 mm size complete with bolts, nuts and washers etc. all as specified and shown in electrical plate No 5 of SSR Part I

Supply and fixing GI strip 32 x 6 mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete incl taking out old unsv all as specified and directed.

S&F aluminium strip of size 25x3 mm with proper fixing at every 1 mtr length as lightening conductor for lightening arresters on HT poles/Transformer incl necessary nut & bolts incl taking out unsv all as specified and directed by the Engr-in-Charge.

S&F Danger Notice Plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour writing in Hindi, English and fixed with M.S clamps, bolts and nuts of approved size for High Tension/11000 voltage lines/poles of size 25 x 20 cm complete as per IE Rules 1956-para 35 all as specified.

Labour for Cutting of tree branches 2 mtr above the conductor which are touching to the HT/LT Over Head Lines in vertically & horizontally conductor and poles etc, complete clear in a standard Span in between two poles as per SSR Part-I, 19.59 and removing cutting material not exc 50 mtr and depositing where directed at a distance level not exc 3 mtr from starting point, minimum 04 Nos of Mazdoor-man with ropes/cutting tools complete will be engaged for a standard one span at a forest/high gradient/any type of surfaces, follows safety measures as per IE Rules, all as specified.

M & L for Stay assembly complete with all accessories as shown in electrical plate No 1, including loop type insulator and stay clamps,Diameter of stay rod 20 mm complete incl taking out old as directed. (Excavation and Concrete work measured and paid separately).

M&L for Cork sheet gasket 6mm thick for packing to transformers top cover of various capacity upto 500 KVA indoor/outdoor type.

Supply and lay HT rubber mat of size 2 mtr x 1 mtr x 19 mm thick omplete all as directed by Engr-in-Charge.

pyarelal galar

Dashmesh Enterprises

TANUJ CONST. CO.