REPAIR/ REPLACEMENT OF HT LINE, MARSHELLING YARD MRS, DIFFERENT 11KV SUB STATION INCL REPAIR OF TRANSFORMER AND CONNECTED OTHER WKS AT MESSAMARI UNDER GE MESSAMARI

Excavation in Trenches not exc 1.50 Metre wide and not exc 1.50 Metre depth for laying of UG Cable/Pole/Stays etc getting out in Soft/Loose Soil, complete all as specified and as directed.

Excavating in Trenches, not exc. 1.50 Metre wide and exc. 1.50 Metre but not exc. 3.00 Metre in depth, for Foundation of Poles/ Stays, etc. and getting out in Soft/ Loose Soil, complete all as specified and as directed.

Returning, Filling in including Spreading, Levelling, Watering and Well Ramming in layers not exc. 25 Cm thick in Soils, complete all as specified and as directed.

Removing Surplus Soil to a distance not exc 50.00 Metre away and depositing where directed at a level not exc 1.50 Metre above the Starting Point, complete all as specified and as directed.

Dismantling unserviceable Steel Tubular Poles of any description and any size including demolition of Cement Concrete (as/if required) and made good disturbed Ground, complete all as specified and as directed. NOTE : Unserviceable Poles will be dismantled at Ground Level and disturbed ground will made good as directed for which Earthwork, demolition of Cement Concrete, etc. will not be measured and paid separately.

Dismantling Stay Assembly of any description and any size including Mild Steel Clamps with Bolts, Nuts and Washers etc., complete all as specified and as directed. NOTE: Unserviceable Stay Assembly will be dismantled at Ground Level and disturbed ground will be made good as directed for which Earthwork, demolition of Cement Concrete, etc. will not be measured and paid separately.

Dismantling Cross-Arms of Mild Steel Channel or Angle Sections, etc, including Mild Steel Bolts, Nuts, Washers, etc., and segregating aside for serviceable for re-use complete all as specified and as directed.

Dismantling Insulators like Pin type, Shackle type from existing Electric Poles of any description and any size, segregating Serviceable Insulators and keep in safe custody for re-use, complete all as specified and as directed.

Dismantling ACSR or AAC Conductors from the Disturbed Span including Line Spacer, etc., complete all as specified and as directed.

Dismantling Earth Wire, Cradle Guarding, etc., complete all as specified and as directed.

Taking down/out unserviceable UG Cables of any Cross Sectional Area and Connections and joints including Pipes, Bricks, etc of any description laying in trenches or fixing with Walls/Poles, segregating serviceable Cables etc, and keep in safe custody for reuse, complete all as specified and as directed. NOTE : Earthwork will be measured and paid under appropriate Items.

M&L Cement Concrete 1:4:8 (40mm graded aggregate) as Lean Concrete in Foundation of Poles, Stay Assembly, etc., including Formwork (as/if required), complete all as specified and as directed.

M&L Cement Concrete 1:3:6 (40mm graded aggregate) as in Foundation of Poles, Stays, etc. including Formwork (as/if required) complete all as specified and as directed.

M&L Cement Concrete 1:2:4 (20mm graded aggregate) as in Coping of Poles, etc. and finishing the Concrete surfaces Fair and Even including necessary Formwork required at Site(s), complete all as specified and as directed.

Supply & Erecting Steel Tubular Swaged Pole Type 410-SP-55 (11.0 Metre long) including Cast Iron Base Plate, Finial Taper Plug, Cap, Mild Steel Bolts, Nuts, Screws including applying two coats of Black Bituminous Paint Internally and Externally from bottom End of Pole upto PCC Coping and applying with two coats of Aluminium Painting over a coat of Aluminium Primer (Externally from Top of Coping) including writing MES Pole No. with synthetic Enamel Paint (First Grade/quality), complete all as specified and as directed. NOTE : Earthwork, Cement Concrete, etc. will be measured and paid under appropriate Items.

M&L Stay Assembly complete with Accessories as show in Electrical Plate No. 1 of MES Schedule Part-I, diameter of Stay Rod 20mm, including 7/4.00 mm Galvanised Stay Strand, complete all as specified and as directed. NOTE: Earthwork, Cement Concrete, Mild Steel Stay Clamps with Bolts, Nuts, etc., Loop Insulator, etc. will be measured and paid under appropriate Items.

M&L Cross-arms, Bracings, Supports, Clamps and Back Plates fabricated from Structural Steel Sections including Nuts, Bolts, Washer, welding, bending cold or hot, drilling holes for Bolts, in any shape or size as indicated/ directed and inclusive of one coat of Aluminium Primer one Under Coat and One Finishing Coat of Aluminium Paint, complete all as specified and as directed.

Re-fixing only Cross-arms, Bracings, Supports, Clamps and Back Plates (serviceable materials i.e. Structural Steel Sections obtained from Item No. 7 here-in-before) including Nuts, Bolts, Washer, welding, bending cold or hot, drilling holes for Bolts, in any shape or size as indicated/ directed and inclusive of one coat of Aluminium Primer one Under Coat and One Finishing Coat of Aluminium Paint, complete all as specified and as directed.

S&F Insulator Pin type Porcelain, Vitreous, White, Brown or Green including one Galvanised Mild Steel Spindle, Two Galvanised Iron Washers and One Galvanised Iron Nut, 150mm Height, 150mm dia for 11 KV grade, complete all as specified and as directed

Fixing only Pin type Porcelain, Vitreous, White, Brown or Green including one Galvanised Mild Steel Spindle, Two Galvanised Iron Washers and One Galvanised Iron Nut, 150mm Height, 150mm dia for 11 KV grade, (Serviceable Insulator obtained from Item No. 8 here-in-before) complete all as specified and as directed

S&F Disc type insulator porcelain, vitreous,145mm high and 255mm dia ball and socket Type white, brown or green insulator single Disc Assembly for tension with Tension Clamps for conductors working pressure 11000 Volts, complete all as specified and as directed.

Fixing only Disc type insulator porcelain, vitreous,145mm high and 255mm dia ball and socket Type white, brown or green insulator single Disc assembly for tension with tension Clamps for conductors working pressure 11000 Volts (Serviceable Insulator obtained from Item No. 8 here-in-before), complete all as specified and as directed.

S&F Loop Type Insulator Vitreous White, Brown or Green, large size with overall dimensions 90x140mm, clearance of hole 25.50 mm dia, complete all as specified and as directed.

S&F Aluminium Conductor Steel Reinforced (ACSR) (sizes as ordered) with permissible Sags and providing Jumper, etc., fixing on Electric Poles and binding to Insulators with Aluminium Binding Wire as in OH Conductors including stringing, tightening, etc., complete all as specified and as directed. NOTE : Cost of Binding Wire is deemed to be included in the quoted Unit Rate.

Restringing ACSR Conductor of existing OH Lines by un-binding from Insulator of any description, re-fixing after stretching, re-stringing the Conductor, removing excess Sag, maintaining proper distance between Conductors as ordered, and binding to insulators with Aluminium Binding Wire complete all as specified and as directed. NOTE : Cost of Binding Wire is deemed to be included in the Quoted Unit Rate.

S&F Cradles, hexagonal/rectangular fabricated with Galvanised Steel Wire with 4.00mm dia including binding with Aluminium Binding Wire, complete all as specified and as directed. NOTE : Cost of Binding Wire is deemed to be included in the Quoted Unit Rate.

M&L 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 and fixed with MS Clamps Bolt and Nuts of approved size, for HT 25x20 Cm size including dismantling unserviceable one, complete all as specified and as directed .

S&F Lightning Arrester Expulsion type complete with all Fittings Transmission Class discharge capacity 65 KA suitable, for working pressure 11000 Volts including dismantling of old unserviceable and connection to earth Strip, complete all as specified and directed.

S&F Lightning Arrester Expulsion type complete with all Fittings Transmission Class discharge capacity 65 KA suitable, for working pressure 33000 Volts including dismantling of old unserviceable and connection to earth Strip, complete all as specified and directed.

S&F Expulsion Fuse, Single Pole, Channel type/drop out type suitable as per Site requirement with Working Pressure 11 KV grade of capacity 200 Amps including taking down unserviceable Fuses, complete all as specified and as directed.

S&F Switch Air Break Gang Operated for 11 KV grade, Triple Pole vertically mounted on insulator and fitted on steel frame , current rating 200 Amps, mechanically operated mechanism from Ground Level consisting of Operating Rod of GI Pipe 25mm bore (dia) ‘light grade’ of suitable Length worked From Ground Level and with Locking Arrangement Mild Steel Flat Iron Clamp 50x6mm including dismantling old unserviceable Switch Air Break of any description, complete all as specified and as directed

Dismantling Air Break Gang Operated Switches HT 11 KV 3 Phase, any capacity (200/400) Amps vertical / horizontal mounted including Insulators and Operating Mechanism for repair/replacement of broken / worn out components and insulators etc. with or without taking down from Pole all as directed. NOTE :- (a) Parts needed to be replaced shall be measured and paid separately as 'supply only' against appropriate Items of Schedule. However Labour component involved in replacement is included in Unit Rate quoted against this Item. The Unit Rate shall deemed to be included for handling of serviceable materials for reuse to site and as directed (b) Any minor repairs involved to make the GOD functional even if notified by Engineer-in-Charge shall be carried out by the Contractor without any extra cost to the Department.

Supply only Male Contact/ Moving Contact Blade suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed.

Supply only Female Contact/ Fix Contact Jaw suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed.

Supply only Tinned Copper Flexible Jumper 200/400 Amps, suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed.

Supply only MS Jumper Carrier, suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed

Supply only Back Connector Plate, suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed

Supply & laying HT XLPE Cable, insulated, screened, PVC bedded, Galvanised Steel Strip or Wire armoured, Electric Power Cable (heavy duty) with Aluminium Conductor, conforming to IS:7098 (Part II), 11 KV, ‘Earthed Grade, cross-sectional area 95 Sqmm 3 Core, laid in Pipe/ Ducts/ Trenches/ under Floor/under Road including Testing, complete all as specified and as directed. NOTE : Earthworks, Sand Cushioning, Bricks, GI Pipe, etc. will be measured and paid under appropriate Items.

Supply & laying HT XLPE Cable, insulated, screened, PVC bedded, Galvanised Steel Strip or Wire armoured, Electric Power Cable (heavy duty) with Aluminium Conductor, conforming to IS:7098 (Part II), 11 KV, ‘Earthed Grade, cross-sectional area 120 Sqmm 3 Core, laid in Pipe/ Ducts/ Trenches/ under Floor/under Road including Testing, complete all as specified and as directed. NOTE : Earthworks, Sand Cushioning, Bricks, GI Pipe, etc. will be measured and paid under appropriate Items.

Supply & laying HT XLPE Cable, insulated, screened, PVC bedded, Galvanised Steel Strip or Wire armoured, Electric Power Cable (heavy duty) with Aluminium Conductor, conforming to IS:7098 (Part II), 11 KV, ‘Earthed Grade, cross-sectional area 240 Sqmm 3 Core, laid in Pipe/ Ducts/ Trenches/ under Floor/under Road including Testing, complete all as specified and as directed. NOTE : Earthworks, Sand Cushioning, Bricks, GI Pipe, etc. will be measured and paid under appropriate Items.

Re-laying HT XLPE Cable, (Obtained from Item No.11) insulated, screened, PVC bedded, Galvanised Steel Strip or Wire armoured, Electric Power Cable (heavy duty) with Aluminium Conductor, conforming to IS:7098 (Part II), 11 KV, ‘Earthed Grade, cross-sectional area 95/12/240 Sqmm 3 Core, laid in Pipe/ Ducts/ Trenches/ under Floor/under Road including Testing, complete all as specified and as directed. NOTE : Earthworks, Sand Cushioning, Bricks, GI Pipe, etc. will be measured and paid under appropriate Items.

M&L Cable End Jointing Kit Indoor Termination Cold Shrinkable type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 50 Sqmm to 95 Sqmm complete all as specified and as directed

M&L Cable End Jointing Kit Indoor Termination Cold Shrinkable type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 120 Sqmm to 185 Sqmm complete all as specified and as directed

M&L Cable End Jointing Kit indoor Termination Cold Shrinkable type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 240 Sqmm to 300 Sqmm , complete all as specified and as directed

M&L Cable End Jointing Kit Outdoor Termination Cold Shrinkable type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 50 Sqmm to 95 Sqmm complete all as specified and as directed

M&L Cable End Jointing Kit Outdoor Termination Cold Shrinkable type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 120 Sqmm to 185 Sqmm , complete all as specified and as directed

M&L Cable End Jointing Kit Outdoor Termination Cold Shrinkable type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 240 Sqmm to 300 Sqmm , complete all as specified and as directed

M&L Cable Jointing Kit Straight Through Termination Heat Shrink-able type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 50 Sqmm to 95 Sqmm complete all as specified and as directed.

M&L Cable Jointing Kit Straight Through Termination Heat Shrink-able type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size120 Sqmm to 185 Sqmm complete all as specified and as directed.

M&L Cable Jointing Kit Straight Through Termination Heat Shrink-able type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 240 Sqmm to 300 Sqmm complete all as specified and as directed.

S&F Pre-cast Reinforced Cement Concrete 1:2:4 (20mm graded aggregate) Type B-1 of size (0.5M X 0.05MX1.0M) Cable Route Indicator including embossing 'DANGER/11KV CABLE/MES' on both sides and painted Letters with approved Colour, buried in ground for a depth of 45 Cm including necessary Earth Work, complete all as specified and as directed.

M&L Sand Cushioning (dry) in trenches/ducts for protection of UG Cables (below, above and around the UG Cable laid in Trenches) of 23 Cm Spread thickness (8 Cm in depth before laying the Cable and 15 Cm in depth after laying the Cable) and consolidated (punned) upto 180mm thickness, complete all as specified and as directed. NOTE : For the purpose of Payment, Punned thickness of Sand Cushioning only shall be measured and paid for.

S&F Unreinforced Pre-cast Concrete Cable Cover, Class HV type 2 flat of size 450x180x40mm with minimum average breaking load 350 Kg, as per IS-5820:1970, complete all as specified and as directed.

Boring holes horizontally under Road without damaging the surface of Road (minimum 1.0 METRE below the Road Surface with the help of GI Tubing not exc. 80mm bore (dia) for passing of UG Cable, complete all as specified and as directed. NOTE: GI Pipe laid will be measured and paid separately under appropriate Item.

S&F Galvanised Iron Pipe 80mm bore (dia), Light grade as in protection of UG Cable laid in Trenches, complete all as specified and as directed.

Taking out Transformer from its Position from any location under GE Missamari for repair /servicing/ rewinding of capacity 300 to 500 KVA , 11/0.433 Volts disconnecting /opening HV, LV Electrical connections, earthing connections along with following other works. (a) Transportation of transformer to workshop at Tezpur/Guwahati and back to site by making necessary arrangements of T&P (crane, recovery, vehicle, tripod to be arranged by firm ) as directed. (b) Opening of transformer top cover by extraction ,removing of serviceable - unserviceable nuts bolts and washers etc (c) Lifting primary coil (HT) and secondary coil (LT), dismantling of transformer complete part by part carefully , and display all the parts without damaging any portion (d) Refilling topping up of transformer oil after dehydration and filtration in transformer. (e) Reassembling the transformer complete with all existing serviceable parts, and new parts as ordered. (f) Reinstall the Transformer at site in position as directed after repair connecting HV, LV electrical connections, earthing connections and testing to entire satisfaction on load . Note- (j) Replacement of unserviceable parts like; Bush insulator, brass studs, cork gasket, breather assembly, tap changer, rewinding, reinsulating of Primary and secondary coil with copper winding wire, dehydration and filtration of transformer oil etc shall be measured and paid separately under appropriate Item of schedule. (k) Renewal of adequate size Nut, bolts & washers of transformer top cover shall deemed to be included in UNIT RATE QUOATED (l) Contractor has to install another transformer of same capacity with his own arrangement in place of unserviceable transformer until the transformer come from workshop for installation at existing place. and cost of stand by transformer will not be paid separately.

Taking out Transformer from its Position from any location under GE Missamari for repair /servicing/ rewinding of capacity 63 to 250 KVA , 11/0.433 Volts disconnecting /opening HV, LV Electrical connections, earthing connections along with following other works. (a) Transportation of transformer to workshop at Tezpur/ Guwahati and back to site by making necessary arrangements of T&P (crane, recovery, vehicle, tripoid to be arranged by firm) as directed. (b) Opening of transformer top cover by extraction ,removing of serviceable - unserviceable nuts bolts and washers etc (c) Lifting primary coil (HT) and secondary coil (LT), dismantling of transformer complete part by part carefully , and display all the parts without damaging any portion (d) Refilling topping up of transformer oil after dehydration and filtration in transformer. (e) Reassembling the transformer complete with all existing serviceable parts, and new parts as ordered. (f) Reinstall the Transformer at site in position as directed after repair connecting HV, LV electrical connections, earthing connections and testing to entire satisfaction on load . Note- (j) Replacement of unserviceable parts like; Bush insulator, brass studs, cork gasket, breather assembly, tap changer, rewinding, reinsulating of Primary and secondary coil with copper winding wire, dehydration and filtration of transformer oil etc shall be measured and paid separately under appropriate Item of schedule. (k) Renewal of adequate size Nut, bolts & washers of transformer top cover shall deemed to be included in UNIT RATE QUOATED (l) Contractor has to install another transformer of same capacity with his own arrangement in place of unserviceable transformer until the transformer come from workshop for installation at existing place. and cost of stand by transformer will not be paid separately.

Material and labour for servicing, overhauling HT RMU 11 KV (two incoming and one outgoing) of various make/type including servicing to Manual operated Load Break Switch-02nos & VCB-01 no, including checking door lock system, mechanical and electrical interlocking system, complete wiring checking and tightening all the mechanical and electrical joints and replacement of unserviceable spare parts complete and writing with paint the Feeder name and checking the functionality in position after servicing complete all as specified and as directed

Material and Labour for replacement of PG clamps made out of cast aluminium and tinned copper for connection of HT ACSR or cable to various PT/CT as per existing size/type complete all as specified and directed by Engr-in-charge

Taking out potential transformer from its Position from main receiving station under GE Missamari for repair /servicing/ rewinding of 33 KV disconnecting /opening HV, LV Electrical connections, earthing connections along with following other works. (a) Transportation of transformer to workshop at Tezpur/Guwahati and back to site by making necessary arrangements of T&P (crane, recovery, vehicle, tripod to be arranged by firm) as directed. (b) Opening of PT top cover by extraction ,removing of serviceable - unserviceable nuts bolts and washers etc (c) Lifting primary coil (HT) and secondary coil (LT), dismantling of PT complete part by part carefully , and display all the parts without damaging any portion. (d) Refilling topping up of oil after dehydration and filtration in transformer. (e) Reassembling the PT complete with all existing serviceable parts, and new parts as ordered. (f) Reinstall the PT at site in position as directed after repair connecting HV, LV electrical connections, earthing connections and testing to entire satisfaction on load. Note- (g) Replacement of unserviceable parts like: rewinding, re insulation of Primary and secondary coil with copper winding wire, dehydration and filtration of oil etc shall be measured and paid separately under appropriate Item of schedule. (h) Renewal of adequate size Nut, bolts & washers of PT top cover shall deemed to be included in UNIT RATE QUOATED

M&L for rewinding HT coil of 11/ 0.433 KV Transformer any capacity using proper size DPC copper wire and insulation material , heating coils in heat chamber after rewinding including taking out carefully burnt unserviceable copper winding of coils complete all as specified and directed.

Re-insulation of HT coil of transformer of any capacity using proper size paper insulation material to form DPC Copper wire and HT insulation material suitable for HT 11 KV transformer complete all as specified and directed. (Note : Item shall be measured only where re-insulation of copper wire is required.)

M&L for rewinding LT coil of 11/ 0.433 KV Transformer any capacity using proper size DPC copper wire and insulation material , heating coils in heat chamber after rewinding including taking out carefully burnt unserviceable copper winding of coils complete all as specified and directed.

Re-insulation of LT coil of transformer of any capacity using proper size paper insulation material to form DPC Copper wire and insulation material suitable for HT 11 KV transformer complete all as specified and directed. [Note : Item shall be measured only where re-insulation of copper wire is required].

Servicing to transformer at site of capacity 50 KVA to 250 KVA installed on Plinth/Pole mounted structure by opening top cover & replacing unserviceable spares / components of transformer ,without lifting core assembly reassembling after repair & testing complete all as specified and directed by Engr-in-Charge. Note- (a) Replacement of unserviceable parts like; Bush insulator, brass studs, cork gasket, breather assembly, tap changer, etc shall be measured and paid separately under appropriate Item of schedule.

Servicing to Power transformer at site of capacity 1600 KVA installed on Plinth mounted structure by opening top cover & replacing unserviceable spares / components of Power transformer ,without lifting core assembly reassembling after repair & testing, complete all as specified and directed by Engr-in-Charge. Note- (a) Replacement of unserviceable parts like; Bush insulator, brass studs, breather assembly, etc shall be measured and paid separately under appropriate Item of schedule.

Servicing to Power transformer at site of capacity 3150 KVA installed on Plinth mounted structure by opening top cover & replacing unserviceable spares/components of Power transformer, without lifting core assembly reassembling after repair & testing, complete all as specified and directed by Engr-in-Charge. Note- (a) Replacement of unserviceable parts like; Bush insulator, brass studs, breather assembly, etc shall be measured and paid separately under appropriate Item of schedule.

M&L for preparation of old painted steel or iron surfaces of transformer of 50 to 100 KVA, 11/0.433 Volts capacity transformers by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed.

M&L for preparation of old painted steel or iron surfaces of transformer of 150 to 200 KVA , 11/0.433 Volts capacity transformers by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed.

M&L for preparation of old painted steel or iron surfaces of transformer of 250 to 500 KVA , 11/0.433 Volts capacity transformers by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed.

Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity 315 to 500 KVA, 11/0.433 Volts transformers

Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity 50 to 150 KVA, 11/0.433 Volts transformers

Supply only brass stud on LT side as per existing size, shape and specification for capacity 315 to 500 KVA, 11/0.433 Volts transformers

Supply only brass stud on LT side as per existing size, shape and specification for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply only brass stud on LT side as per existing size, shape and specification for capacity 50 to 150 KVA , 11/0.433 Volts transformers

Supply only cork sheet gasket (set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 315 to 500 KVA, 11/0.433 Volts transformers

Supply only cork sheet gasket (set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply only cork sheet gasket (set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 50 to 150 KVA, 11/0.433 Volts transformers

Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 315 to 500 KVA, 11/0.433 Volts transformers

Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity50 to 150 KVA, 11/0.433 Volts transformers

Supply only brass stud on HT side as per existing size, shape and specification for capacity 315 to 500 KVA, 11/0.433 Volts transformers

Supply only brass stud on HT side as per existing size, shape and specification for capacity 315 to 300 KVA, 11/0.433 Volts transformers

Supply only brass stud on HT side as per existing size, shape and specification for capacity 50 to 150 KVA , 11/0.433 Volts transformers

Supply only top cover gasket set as per existing size, shape and specification complete for capacity 1600 KVA , 33/11 KV transformers

Supply only top cover gasket set as per existing size, shape and specification complete for capacity 315 to 500 KVA , 11/0.433 Volts transformers

Supply only top cover gasket set as per existing size, shape and specification complete for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply only top cover gasket set as per existing size, shape and specification complete for capacity 50 to 150 KVA, 11/0.433 Volts transformers

Supply only breather assembly as per existing size, shape and specification complete for capacity 1600 KVA , 33/11 KV transformers

Supply only breather assembly as per existing size, shape and specification complete for capacity 315 to 500 KVA , 11/0.433 Volts transformers

Supply only breather assembly as per existing size, shape and specification complete for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply only breather assembly as per existing size, shape and specification complete for capacity 50 to 150 KVA, 11/0.433 Volts transformers

Supply only Tap Changer as per existing size, shape and specification complete for capacity 315 to 500 KVA , 11/0.433 Volts transformers

Supply only Tap Changer as per existing size, shape and specification complete for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply only Tap Changer as per existing size, shape and specification complete for capacity 50 to 150 KVA, 11/0.433 Volts transformers

Supply Only Oil temperature indication cum alarm and trip facility as per existing size and specification complete for capacity of 1600 KVA, 33/11 KV transformers including necessary connection with VCBs, complete all a s specified and directed by Engr-in-charge.

Supply Only winding temperature indication cum alarm and trip facility as per existing size and specification complete for capacity of 1600 KVA, 33/11 KV transformers including necessary connection with VCBs, complete all a s specified and directed by Engr-in-charge.

Supply and fixing of 110 Volts DC electronic Hooter of size 96X96 mm including necessary taking down of old Unserviceable one , complete all as specified and directed by Engr-in-charge.

Dehydration and filtration of existing transformer oil of transformers capacity ranging from 50 KVA to 3150 KVA ( 33 KV System step down to 33/11 KV and 11 KV System step down to 11/0.433 KV) on site at different locations without disturbing the power supply system with filtration machine and heating system in order to achieve Di-electric strength of oil 40KV minimum at 2.5 mm gap complete all as specified and as directed. Note :- Contractor shall use stand by DG set for dehydration where alternate power is not available.

Supply & filling up of transformer oil conforming to IS -335 of 1993 as in topping up / replacement up to desired level of transformer oil capacity complete all as specified and as directed. [Note: Dielectric strength of oil should not be less than 40 KV at 2.5 mm gap complete all as specified and directed.] (Make : GULF/POWER OIL/SERVO or equivalent as approved by GE)

Supply and fixing as in replacement Temperature Gauge as per existing size, shape and specification complete for capacity 350 to 500 KVA , 11/0.433 Volts transformers

Supply and fixing as in replacement Temperature Gauge Changer as per existing size, shape and specification complete for capacity 200 to 300 KVA, 11/0.433 Volts transformers

Supply and fixing as in replacement Temperature Gauge as per existing size, shape and specification complete for capacity 50 to 150 KVA, 11/0.433 Volts transformers complete all as specified and directed.

Supply and fixing as in replacement pair of arcing horns suitable for transformer capacity 50 to 500 KVA, 11/0.433 Volts complete all as specified and directed.

Supply and replacing silica gel in crystal form of breather assembly of transformer capacity upto 3150 KVA at installed site complete all as specified and directed.

M&L preparing old painted surfaces by scraping and removing old paints, rust, etc. from Steel Tubular Poles (above the Planting Depth and PCC Copings of 11.0 Metre length Pole) and Mild Steel Cross Arms, Cable Protection Pipe, Brackets, etc. and applying one Coat of Red Oxide Zinc Chrome Primer, alternate Yellow & Black Strips Painting (4 No. Each Strip 200 mm wide) and remaining portion of Pole and Cross Arms, Cable Protection Pipe, Brackets, etc. treated with Two Coats of Aluminium Paint, complete all as specified and as directed.

M&L preparing old painted surfaces by scraping and removing old paints, rust, etc. from Pre-stressed Concrete Pole (above the Planting Depth and PCC Copings of 11 Metre length Pole) and Mild Steel Cross Arms, Cable Protection Pipe, Brackets, etc. and applying Two Coats of Synthetic Enamel Painting in alternate Yellow & Black Strips Painting (4 No. Each Strip 200 mm wide) and remaining portion of Pole treated with Two Coats of Exterior Weather Proof Paint and Mild Steel Cross Arms, Cable Protection Pipe, Brackets, etc. treated with Two Coats of Aluminium Paint, complete all as specified and as directed.

Material and Labour for Earthing complete with Galvanised Steel Earth Plate Electrode 600 x 600 x 6mm, thick buried directly in ground ( earth pit not less than 2.25 Metre deep below the Ground Level ) with Top Edge of Earth Plate not less than 1.50 Metre deep below normal ground level , connected to Galvanised steel iron strip earth lead 32x6 mm by means of Bolts, Nuts, Check Nuts and Washers made of Galvanised Iron 20 mm dia GI Pipe (Med grade) for watering, 40 mm dia GI Pipe light grade for protection of earth strip, including necessary earth work in any type of soil , PCC (1:3:6) Type C1 Concrete pit RCC (1:1.5:3) Type A1 Precast cover (54x54x5Cm) duly reinforced with including 8mm Dia TMT Bar @ 150 mm c/c both ways lifting handle made of 8mm dia TMT Bar embedded in precast cover slab complete as shown in electrical Plate No 3 of SSR Part-I including testing on completion complete all as specified and as directed.

M & L for earthing complete with copper Earth Plate Electrode 600mm x 600mm x3.15mm, thick buried directly in ground vertically to a depth not less than 2.25 Metre below Ground Level with Top Edge of Earth Plate at depth not less than 1.50 Metre below Normal Ground Level, connected to Copper earth strip 32x6 mm drawn through and including Galvanised Iron protection Pipe 40 mm bore (dia) Light grade up to height of the transformer foundation where transformer is situated by means of Bolts, Nuts, Check Nuts and Washers etc Earth plate surrounded by a packed thickness of charcoal or coke dust mixed with common salt in alternate layers of not exc 150mm thick PCC Pit in cement concrete 1:3:6 (20 mm graded aggregate), Precast RCC 1:2:4 (20mm graded aggregate) cover slab 350 x350 x 50mm thick reinforced with and including 8mm dia TMT Bars @ 10 cm Centre to Centre both ways GI Wire Mesh , Funnel, with GI Watering Pipe 20mm bore dia Medium grade necessary excavation in soft loose soil returning filling in and removal of surplus soil upto a distance of 50 METRE and all as shown in Electrical Plate No. 3 of MES schedule Part- I and testing on completion complete all as specified and as directed.

Servicing/Removing the existing, relay units of any make and cap from the cubical panel and carrying out servicing including cleaning, fitted, cradle contacts with Emery paper wiping gently, cleaning, and adjusting yoke, replacing burnt tripping coil etc incl calibration of IDMT relay in VCBs and tuning with other VCBs as reqd (so that incoming VCBs trips on fault before 33 KV VCB and outgoing VCBs trip before incoming VCBs) Testing of IDMT relay with the help of primary / secondary injection all as specified as per manufacturer specification

Servicing / Removing the existing, relay units of any make and cap from the cubical panel and carrying out servicing of VCBs, including cleaning, fitted, cradle contacts with Emery paper wiping gently, cleaning, and adjusting yoke, replacing burnt tripping coil etc incl calibration of IDMT relay in VCBs and tuning with other VCBs as reqd (so that incoming VCBs trips on fault before 11 KV VCB and outgoing VCBs trip before incoming VCBs) Testing of IDMT relay with the help of primary / secondary injection all as specified as per manufacturer specification.

Supply and fix Earth continuity conductor or Main Earthing lead fixed to wall or batten or reccess or chasses or buried in ground or drawn in conduit / pipe or fixed to Poles or any other indicated situation for loop GI strip of size 32mmx6mm connected to test point complete all as specified and as directed.

Supply and fix Earth continuity conductor or Main Earthing lead fixed to wall or batten or reccess or chasses or buried in ground or drawn in conduit / pipe or fixed to Poles or any other indicated situation for loop copper strip of size 20mmx3m m connected to test point complete all as specified and as directed.

M & L Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw complete all as specified and directed by engr-in-charge.

M&L spring charging motor for 11 KV VCB, 240 Volt, AC complete all as specified and directed complete all as specified and directed by Engr-in-charge.

Supply and fixing spring charge gear assembly and motor in existing ABB vacuum circuit breaker including taking down old unserviceable one , complete all as specified and directed by Engr-in-charge

Supply and fixing high speed master trip relay type VAJ 110 V DC all as specified and directed by Engr-in-charge

Supply and fixing racking rack out pinion as per existing type and size, all as specified and directed by Engr-in-charge

Material and labour for earthing with copper plated earth electrode-ASEL 393 or equivalent CP-Outer pipe Dia : 80/76mm and wall thickness : 2mm ; Inner pipe dia 38mm and wall thickness 2.6mm, length : 3000 mm, copper plating thickness : 100 microns confirming to IS-3043 : 1987 all as directed & specified including HDP lockable earth pit cover cum inspection chamber & earth lead of 32 x 6 mm thick copper strip in a metallic / PVC protective covering and all other required accessories including design, modifications etc. to achieve the required earth termination rod resistance value as per OEM/Indian Standard recommendations not more than 1.0 ohm. (Note:- (i) Contractor has to produce the earth test report (ii) The rates includes the cost of excavation in any type of soil) Make :- True power Earthing

Supply, fixing and testing of Vacuum interrupter for 11 KV VCB ,complete all as specified and directed by Engr-in-charge. Make :- Altstom, Model No VG 204 GB

Supply and fix outdoor type (double door both side), free standing, dust and vermin proof, 3 ph, 3 Pole Copper bus bar panel, of capacity 400 A, with adequate 11 KV insulator, AC Supply, fabrication from 3.15 mm CRCA sheet finished with powder coating of min size 1700 mm x 1200 mm x1000mm mounted on a PCC 1:4:8 type C1 using 20 mm aggregate platform (1700 mm above GL and 500 mm below GL) complete necessary excavation and earth work and necessary electric connection all as specified and directed.

S&F polymeric pin Insulator FRP 34 mm, Brown colour including one Galvanised Mild Steel Spindle, Two Galvanised Iron Washers and One Galvanised Iron Nut, for 33 KV grade, complete all as specified and as directed

Supply, fixing, testing and commissioning in repair 33 KV/100V voltage transformer outdoor oil type including PG clamps for conductor fixing as per IS:3156/1992 complete all as specified and directed.

Supply, Installation, testing and Commissioning of horizontal mounting , 3 pole double break, turn twist outdoor type Isolator (without earth) of rated voltage 36 KV and continuous Current 630A, rated short Circuit with stand Current of 16 KA complete all as specified and directed. Make: R. M. Electric

Supply, Installation, testing and Commissioning of Oil immersed Live Tank 33KV CT Outdoor type of Insulation level 36 KV/70KV/170 KVP, short Circuit with stand Current for 1 sec 18.4 of Ratio : up to 160/5 Amp (as per site requirement of Load as directed, class - 5P, Burden - 10/15 VA, Confirming to IS: 2705 complete all as specified and directed. Make: Savio Transformers

Supply, Installation, testing and Commissioning of Oil immersed Dead Tank 33KV PT Outdoor type of Insulation level 36 KV/70 KV/ 170 KVP, 33KV/√3/110V/√3/110V/√3 of burden : 10/20 VA, Class : 5 P, Confirming to IS : 2705 complete all as specified and directed. Make: Savio Transformers

Supply and Commissioning of 33 KV Porcelain type 3 nos. metal Oxide station class lightning Arrester with Nominal System Voltage of 33 KV and maximum system Voltage of 36KV with IS: 15086 complete all as specified and directed. Make: LAMCO

Supply and Commissioning of 11 KV Porcelain type 3 nos. metal Oxide station class lightning Arrester with rated voltage 9 KV with Normal discharge current rating of 10 KA as per IS: 15086 complete all as specified and directed. Make: LAMCO

Supply, Fitting and Fixing of Pad Clamp complete all as specified and directed.

Supply, Fitting and Fixing of ‘T‘ Clamp complete all as specified and directed.

Supply, Installation, testing & Commissioning of Battery bank of 200AH, 110 V DC (2V X 55 nos) maintenance free VRLA battery bank with complete all as specified and directed. Make : AMARA RAJA

Servicing Cum Overhauling of 11KV Indoor type PCVCB including lubricating, tightening, Cleaning making good the damages etc. as reqd including minor control wiring, ferruling, checking of control wiring where necessary etc. as reqd complete all as specified and directed.

Servicing Cum Overhauling of outdoor type 33KV PCVCB including lubricating, tightening, Cleaning making good the damages etc. as reqd including minor control wiring, ferruling, checking of control wiring where necessary etc. as reqd complete all as specified and directed.

Supplying and fixing of the following spares for the 33KV/11KV PCVCB. (i) Shunt tripping /Closing coil 110V DC suitable for PCVCB (a) ABB make

(b) ARREVA Make

(ii) Led Indication lamp

(iii) TNC Switch

(iv) Spring charging motor 230V AC, 110V DC Make ABB

(v) Vaccum Interrupter suitable for 11KV PCVCB

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