84071/E8 REPAIRS MAINT SERVICING OF HT TRANSMISSION AND DISTRIBUTION SYSTEM SWITCH YARD HT OH CONDUCTOR TRANSFORMER AIR BREAK SWITCH ISOLATOR CT PT AND CONNECTED WORKS AT AF STN UNDER GE AF JORHAT

Amount

M&L for Servicing & Repairs to Air-break switch (isolator) off load, rotating type, 33 KV, 800 Amps to 1250 Amps capacity, with proper alignment of isolator rotating blades, with fixed contact jaws, arcing horns, applying petroleum jelly to moving mechanism, cleaning and lubricating to isolator gear box assembly, tightening all nuts, bolts and clamps of jumpers etc, making in proper serviceable condition for smooth functioning, testing and commissioning on load complete all as specified and directed.

Supply only male/moving contact/ rotating blade of HDE copper silver plated of Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity with all fixing nuts, bolts etc complete all as specified and directed.

Supply only Fixed Contacts, made of HDE copper, silver plated, of Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity with all fixing nuts, bolts etc. complete all as specified and directed.

Supply only terminal pad for Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity all as specified and directed by Engr-in-Charge.

S&F in replacement Pin type 33KV composite polymer insulator complete all as specified and as directed.

S&F in replacement Disc type 33KV composite polymer insulator complete all as specified and as directed.

S&F in replacement 33 KV Disc insulator 3 in series with tension clamp for connductor complete all as specified and directed.

S&F in replacement of 33 kV Line Post Insulator Polymeric complete all as specified and directed.

S&F in replacement for aluminium conductor steel reinforced (ACSR) DOG as over head, conductor for connectiong 33 KV equipment/33 KV distribution system with necessary connection with PG clamp and Jumpers of suitable size complete including dismatling existing complete all as specified and as directed by the Engineer-in-Charge.

S&F in repair Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and as

S&F in repair connector box 12 Pole for 33KV CT complete all as specified and as directed.

S&F in repair PT terminal box 6 Pole for 33KV PT complete all as specified and as directed.

Supply and fix cadium bolt & Nut complete all as specified and directed

S&F in repair 33 KV single phase out door oil cooled PT of ratio 33 KV/rt 3/110V/rt 3/110V/rt 3 Class 0.5-3, Burden 50 VA – 50 VA, insulation level 70KV/170 KV, voltage factor 1.2 Cont and 1.9 for 30 Sec, conforming to IS-3156 including dismantling taking out of existing unserviceable 33 KV PT incl all connection etc.Make; Make; AE/Areva T&D /crompton greaves/schneider

M&L for Servicing , Testing of Transformer of 1000 to 2000 KVA , 33000/110000 volt outdoor type, disconnecting all Internal Connections of HT Side for Periodical Mainte-nance such as Replacement of Rusted Gasket Set, Burnt Spindle, Broken/ Unserviceable HV/LV Ceramic Bushing, Broken Arc Horn, Surge Arrestor, Replacement of Silica Gel, etc. and then after asembling to all complete all as specified and as directed. NOTE : Replacement of spares parts such as Gasket Set, Spindle, HV Ceramic Bushing, Arc Horn, Surge Arrestor, Silica Gel , New Transformer oil will paid seperately.

Supply only Breather Assembly filled with Silica Gel as Approved complete all as specified and as directed.

Supply only Brass Spindle for Terminal on HT Side Threaded complete with Nut, Washers, etc. of dia as ordered, as Approved and suitable and suitable for Transformer 1000 to 2000 KVA , 33000/110000 volt, complete all as specified and as directed.

Supply only Ceramic Bushing and Gasket on HT Side of Transformer 1000 to 2000 KVA , 33000/110000 volt complete all as specified and as directed.

Supply only Ceramic Bushing and Gasket on HT Side of Transformer 11000 to 2000 KVA , 33000/110000 volt complete all as specified and as directed.

Supply only Gasket (Cock Sheet) 6 mm thick with Conical Rubber Bush Complete as approved and suitable for Transformer 1000 to 2000 KVA , 33000/110000 Volt including Taking down/ out unserviceable Gasket, complete all as specified and as directed.

M&L for Servicing, Testing of Transformer of 100 to 630 KVA, 11000/433 indoor/outdoor, disconnecting all Internal Connections of HT/LT Side for Periodical Maintenance such as Replacement of Rusted Gasket Set, Burnt Spindle, Broken/ Unserviceable HV/LV Ceramic Bushing, Broken Arc Horn, Surge Arrestor, Replacement of Silica Gel, etc. and then after asembling to all complete all as specified and as directed. NOTE : Replacement of spares parts such as Gasket Set, Spindle, HV Ceramic Bushing, Arc Horn, Surge Arrestor, Silica Gel , New Transformer oil will paid seperately.

Supply only Breather Assembly filled with Silica Gel as Approved complete all as specified and as directed.

Supply only Brass Spindle for Terminal on HT Side Threaded complete with Nut, Washers, etc. of dia as per site requirement suitable for Transformer 100 to 630 KVA, 11000/433 volt, complete all as specified and as directed.

Supply only Brass Spindle for Terminal on LT Side Threaded complete with Nut, Washers, etc. of diaas per site requirement suitable for Transformer 100 to 630 KVA, 11000/433 volt, complete all as specified and as directed.

Supply only male/female Ceramic Bushing and Gasket on LT Side as per site requirement suitable for Transformer 100 to 630KVA, 11000/433 volt, complete all as specified and as directed.

Supply only male/female Ceramic Bushing and Gasket on HT Side as per site requirement suitable for Transformer 100 to 630KVA, 11000/433 volt, complete all as specified and as directed.

Supply only Gasket (Cock Sheet) 6 mm thick with Conical Rubber Bush Complete as per site requirement suitable for Transformer 100 to 630KVA , 11000/433 volt, complete all as specified and as directed.

M & L For Dehydration/Filtration of Transformer Oil by means of Centrifugal Filtration Plant to achieve the specified Di-electric Strength of 35 KV to 40 KV at 2.5mm Gap in Existing Position of Transformer of any Capacity and Transformer Oil for Topping Up at various Sub-station complete all as specified and as directed. NOTE : Transformer Oil to be used for TOP UP shall be Measured and Paid separately.

Supply & Pouring of New Transformer Oil, conforming to IS:335-1983 to achieve a Di-electric Strength upto 60 KV with Oil Testing Kit 4.0mm thick to Top Up of the Transformer complete all as specified and as directed.

M & L for 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 seperately as 'supply only' against appropriate Items of Schedule. However Labour component involved in replacement is included in Unit Rate quoated 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 Arching horn suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed.

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

M & L for Disconnecting and Servicing of 11 KV HT VCB/ RMU of any make from housing and cleaning, rubbing and overhauling the mechanical parts, Testing and calibration of relay (set of two Over current and one earth fault) by SECONDARY INJECTION KIT including all other functional tests of the VCB, C&R panel and CTs, PTs. setting right the mechanism and reassembling, testing and commissioning etc as required to complete all as specified and directed. (a) Taking out trolley unit from metal clad housing and dismantling complete, carrying out inspection cleaning, mechanical spring all as directed. (b) Opening of bus bar chambers, carrying out inspection, cleaning of complete unit and refixing of the bus bar. (c) Carrying out testing of all metering instruments replacement of worn out spares, meter, wiring cable etc and testing complete. (d) Inspection and checking of all protection devices, relays, all as directed. (e) Carrying out inspection and testing of auxiliary power system, all as directed. (f) Assembling of complete HT switch gear unit, proper greasing oiling / for easy operation and connection of incoming and outgoing cable and make all necessary adjustment and testing complete . NOTE : Replacement of spares such as Vacuum Interrupter, space heater, CT ratio , LED indicator , spout insulator, Bus Bar insulator, breaker charging motor,Trip coil, Release coil paid seperetely and all the items mentioned below are tentative and may vary in specification and quantity during execution.

Supply only 11 KV Vacuum Interrupter with TC suitable for existing 11 KV VCB/RMU Panel complete all as specified and directed.

Supply only panel space heater suitable for existing HT VCB Panel complete all as specified and directed. Make : BE

Supply only of CT ratio 100-50/5-5A. 15 VA, class 1 Accuracy for metering and protection resin cast current transformer as per existing make or equiv

Supply only of LED indicator with wiring suitable for existing HT VCB Panel as per existing make complete all as specified and directed.

Supply only 2.5 sqmm 4 core copper multistand cable 1100 V after taking down carefully old u/s cable complete all as specified and directed.

Supply only of HT 11KV VCB panel spout insulator as per sample in existing VCB's.

Supply only of HT 11 KV Bus Bar insulator with nut, bolts etc complete all as specified and directed.

Supply only of breaker charging motor suitable for existing 11 KV VCB Panel including control wiring complete compatible as per existing in specifications and dimensions complete all as specified and as directed by the Engineer-in-Charge.

Supply only Trip coil 110V DC with control wiring compatible as per existing in specifications and dimensions complete all as specified and as directed by the Engineer-in-Charge.

Supply only Release coil 110V DC with control wiring compatible as per existing in specifications and dimensions all as specified and directed.

Supply only Toggle switch per existing dimensions all as specified and directed.

Supply and fix in replacement of 3 phase earth fault and over current digital type control relay of HT 11 KV VCB including connecting and setting up of parameters/ caliberation/ testing as per the existing site conditions . Make model no. REJ 601 of ABB or Equivalent in Crompton Greaves/AREVA / L&T/ Schneider

M & L for callibration of feeder protection microprocessor based (OC & EF) relay 11 KV and 33 KV by secondary injection and generating report by authorised testing agency complete all as specified and directed.

Material and labour for spreading of stone aggregate of nominal size not more than 40 mm from the bay/yard manually without damaging any equipments, cable or parts of the 33 KV Grid bays, spreading & levelling of finished gravel uniformly in layers n. exc. 15 cm thick watered and rammed to true surface all as specified and directed

M&L for painting the external exposed surfaces of 2 pole structures of steel tubular swaged poles of 11 metres long alongwith cross arms, bracket and connected accessories with one coat of aluminium paint including preparation of old painted surfaces and writing the details of the pole in white letters on black back ground and pasting radium red stickers/paint with 3 lines around the pole complete all as specified and directed.

M&L for painting the external exposed surfaces of 4 pole structures of steel tubular swaged poles of 11 metres long alongwith cross arms, bracket and connected accessories with one coat of aluminium paint including preparation of old painted surfaces and writing the details of the pole in white letters on black back ground and pasting radium red stickers /paint with 3 lines around the pole complete all as specified and directed

S&F in repair Pin type 11KV composite polymer insulator complete all as specified and as directed.

S&F in repair Disc type 11KV composite polymer insulator complete all as specified and as directed.

M & L for Winding of unserviceable HV/LV coil of 11KV/433 Volt Transformer complete wounded with supper enamel insulated Copper conductor ISI marked of guage as per existing, suitable for transformer of capacity up to 630 KVA complete all as specified and as directed by the Engineer-in-Charge. NOTE : Cost of taking down unserviceable winding capacity up to 630 KVA by disconnecting all cable connection and carrying to work shop for repair included in this item.

M&L for preparation of old rusted of Transformer denting and painting of 33 KV transformer capacity up to 2000 KVA of any size and applying one coat of primer red-oxide and two coat of synthetic enamel paint with the help of spreay machine and re-writing Transformer description, MES Number etc all as specified and as directed by the Engineer-in-charge. NOTE : Synthetic enamel paint colour will be as per existing colour or decided by the Engineer-in-Charge.

M&L for preparation of old rusted of Transformer denting and painting of 11 KV transformer capacity up to 630 KVA any size and applying one coat of primer red-oxide and two coat of synthetic enamel paint with the help of spreay machine and re-writing Transformer description, MES Number etc all as specified and as directed by the Engineer-in-charge. NOTE : Synthetic enamel paint colour will be as per existing colour or decided by the Engineer-in-Charge.

Taking down/out unserviceable or serviceable UG Cables of any Cross Sectional Area and Connections including Bricks, GI Pipes, etc. of any descriptions, laid in Trenches and/or fixing with Walls/Poles including Segregating of Serviceable Materials viz Bricks, Cables, GI Pipes, etc. and keep in Safe custody for re-use, complete all as specified and as directed. NOTE : Earth Work shall be Measured and Paid for separately under relevant Items.

Supply, laying & testing 33 KV, 240 Sqmm, Single core XLPE Aluminium HT Cables, Stranded Compacted Circular Aluminium Conductor, Conductor Screen with Extruded Semi Conducting Compound, insulation Screening with Extruded Semi Conducting Compound in Combination with Copper Tape, AL Flat Strip Armoured, & Overall PVC Sheathed Cable complete all as specified and as directed.

M&L HT electric cable unearthed XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, of size 3 core 95 sq mm. and testing complete all as specified and as directed.

M&L HT electric cable unearthed XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, of size 3 core 120 sq mm. and testing complete all as specified and as directed.

M&L for cable in trenches/passing through pipe/on wall , XLPE insulated, heavy duty, galvanised steel strip or wire armoured electric LT cable with stranded aluminium conductor for 1100 volts grade cross sectional area 70 sqmm 3.5 core.

M&L for cable in trenches/passing through pipe/on wall , XLPE insulated, heavy duty, galvanised steel strip or wire armoured electric LT cable with stranded aluminium conductor for 1100 volts grade cross sectional area 240 sqmm 3.5 core.

M&L for cable in trenches/passing through pipe/on wall , XLPE insulated, heavy duty, galvanised steel strip or wire armoured electric LT cable with stranded aluminium conductor for 1100 volts grade cross sectional area 400 sqmm 3.5 core.

M & L for Re-Laying/Re-reouting or Passing through Pipe, XLPE insulated, Armoured, Electric Power UG Cable (Heavy Duty) with Aluminium Conductor, HT/LT, of any size including Brass Compression Cable Gland, Terminal Lug, etc. complete all as specified and as directed.

Excavating in Trenches not exc. 1.50 mtr wide and not exc. 1.50 mtr in depth, getting out in Soft / Loose Soil, complete all as specified and as directed.

M&L Sand Cushioning (dry) in Trenches for protection of UG Cables (below, above and around the UG Cable laid in Trenches) of 230mm Spread thickness 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 Sub-Class B brick, well burnt, laid breadth-wise along the length of Cable laid in Trenches over Sand Cushion laid for UG Cable Protection, complete all as specified and as directed.

Supplying and laying reinforced precast concrete cable cover, class EHV, type 1 with peak, size 450mm x 230mm x 50mm complete all as specified and as directed.

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

M & L for Re-laying only old Brick in Trenches for Under Ground Cable Protection complete all as directed.

Returning, Filling in, including Spreading, Levelling, Watering and Well Ramming in Layers not exc. 250mm in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated Materials (Soils) not exc. 50.00 mtr and depositing where directed at a level not exc. 1.50 mtr above the Starting Point in Soil, complete all as specified and as directed.

Supply and fix cable jointing kit for 33 KV grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 240 sqmm

Supply and fix cable jointing kit for 33 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 240 Sqmm, Indoor/Outdoor type

M&L cable jointing kit for 11KV(Earthed) grade cable for outdoor termination 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 and testing complete all as specified and as directed.

M&L cable jointing kit for 11KV(Earthed) grade cable for outdoor termination 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 and testing complete all as specified and as directed.

M&L cable jointing kit for 11KV(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 50 sqmm to 95 sqmm and testing complete all as specified and as directed.

M&L cable jointing kit for 11KV(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 120 sqmm to 185 sqmm and testing complete all as specified and as directed.

M & L for for Horizontal Boring for Passing Protection Pipe up to 80mm Bore (dia), under Road , not exc. 10.00 mtr in a Single Length, complete all as specified and as directed. Note : Pipe to be measured separately.

S&F Galvanised Iron Pipe 80mm Bore (dia) ‘Light Grade’ for protection of UG Cable, laid in Floors/ Road Crossing, fixing to Pole with Mild Steel Clamps, Nuts, Bolts, etc., complete all as specified and as directed.

S&F Galvanised Iron Pipe 50mm Bore (dia) ‘Light Grade’ for protection of UG Cable, laid in Floors/ Road Crossing, fixing to Pole with Mild Steel Clamps, Nuts, Bolts, etc., complete all as specified and as directed.

S&F in repair of 230V/110V, 50HZ.AC supply input and output 110V, DC Powerpack

S&F in repair Feeder protection and control relay REF615 Non directional type, IEC 61850 protocol comminication relay. Make-ABB NOTE : Rate are inclusive for fixing of relay and required alteration / cutting and proper wiring to VCB.

DEDUCT TOTAL AMOUNT OF CREDIT Bidders will Quote the EQUAL AMOUNT as per SCHEDULE OF CREDIT catered in the TENDER Documents under Column 'UNIT RATE' (M) against Row No. 99.

SURAJ KUMAR SHARMA (BID ID -3103970)

HEMONTA DAS (BID ID -3107393)

satyabhama and co (BID ID -3104908)

PURBANCHAL BUILDERS (BID ID -3108345)

M/S PAUL CONSTRUCTION (BID ID -3107471)