84173/E8 REPAIR / MAINT OF HT TRANSMISSION AND DISTRIBUTION SYSTEM, HT OVERHEAD CONDUCTOR, TRANSFORMER, AIR BREAK SWITCH, ISOLATOR, CT/PT AND CONNECTED ALLIED WORKS AT 10WG AF 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 as 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 as 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 as directed.

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

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 as directed.

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 directed.

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 connections etc. 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 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 : (a) 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 : (a) 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 630KVA , 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 630KVA , 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 under relevant item in this schedule.

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 including following : (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 etc. shall be measured and paid seperetely uder relevant items of BOQ mentioned below and 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 complete all as specified and directed.

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.

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

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.

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.

M & L 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:- Colour of Synthetic enamel paint shall be as per existing colour or as directed 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:- Colour of Synthetic enamel paint shall be as per existing colour or as directed 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 in this schedule

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.

Supply , Laying and Testing of 95sqmm, 3 core HT electric cable unearthed XLPE 11 KV grade, insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor, complete all as specified and as directed.

Supply , Laying and Testing of 70 sq mm, 3.5 core LT electric cable unearthed XLPE in trenches/passing through pipe/on wall, XLPE insulated, heavy duty, galvanised steel strip or wire armoured electric LT cable with stranded aluminium conductor complete all as specified and as directed.

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 Metre Wide and not exc. 1.50 Metre in Depth for Taking Out/ Laying of UG Electric Cable Lines, etc. and getting out as 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. 250mm as 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.

M&L Sand Cushioning (dry) in Trenches for protec-tion of UG Cables (below, above and around the UG Cable laid in Trenches) of 230mm Spread thick -ness and consolidated (punned) upto 180mm thickness, complete all as specified and as directed. (NOTE : For the purpose of Payment, Punned thick-ness 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 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, aluminium conductor cable of size 240 sqmm complete all as specified and as directed.

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 aluminium conductor cable of size 240 Sqmm, Indoor/Outdoor type

Supply, Fixing and Testing of cable jointing kit of size 50 sqmm to 95 sqmm 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 complete all as specified and as directed.

Supply, Fixing and Testing of cable jointing kit of size 120 sqmm to 185 sqmm 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 cablecomplete all as specified and as directed.

M&L for cable jointing kit for 11KV (earthed) 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 complete all as specified and as directed.

M&L for cable jointing kit for 11KV (earthed) 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 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 of required dia shall be measured and paid separately under relevant item in this schedule..

S&F 80mm Bore (dia) ‘Light Grade’ Galvanised Iron Pipe 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 50mm Bore (dia) ‘Light Grade’ Galvanised Iron Pipe 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 complete all as specified and as directed.

M & L for Trimming of tree branches , grith, to clear OH line upto 2.0 Metre on each side, stacking the branches where directed to a distance not exc 50 Metre and clearing the site, complete all as specified and as directed.Note-Tree branches trimming should as per site requiement, manually or by tree cutting machine or any other mechanized system complete all as specified and as directed.

M & L for Cutting of grasses, vegetation manually/grass cutter, earth heaps, etc., cleaning and levelling surroundings of sub stations / transformers ,DG sets etc including removal of spoil, wastage materials, etc to a distance not exc. 50.00 mtr, complete all as specified and as directed.

M & L for Cutting of grasses, manually/grass cutter, earth heaps, etc., cleaning and levelling surrounding around two meter of radius of HT/LT poles including removal of spoil, wastage materials, etc to a distance not exc. 50.00 mtr, complete all as spcified and as directed.

M & L for Cutting of grasses, manually/grass cutter, earth heaps, etc., cleaning and levelling surrounding around two meter of each side of HT/LT outdoor panels including removal of spoil, wastage materials, etc to a distance not exc. 50.00 mtr, complete all as specified and as directed.

M & L for Removing of grasses,vegetation from the chain fencing of sub stations including removal of spoil, wastage materials, etc to a distance not exc. 50.00 mtr, complete all as specified and as directed.

DEDUCTION AGAINST SCHEDULE OF CREDIT Bidder(s) shall/ will Quote the EQUAL AMOUNT as per SCHEDULE OF CREDIT in the Tender Documents

M/S PS ENTERPRISE (BID ID -3480081)

satyabhama and co (BID ID -3477555)

SURAJ KUMAR SHARMA (BID ID -3479508)

THE SUPPLY AGENCY (BID ID -3479980)

M/S PAUL CONSTRUCTION (BID ID -3480038)

NIHAR ENTERPRISE (BID ID -3479893)

M/S SANTOSHI TRADERS (BID ID -3479298)

M/S BARUAH ELECTRICALS (BID ID -3480361)