Repair and maint of HT distribution system and allied works at Khundru Grn under GE 861 EWS

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out in soft / loose soil for laying cables / pipes / erection of poles etc complete all as specified and directed.

Excavation in trenches exc 1.5m deep and n.exc 3 m deep and getting out in soft /hard soil for laying of cable complete all as specified and directed.

Removing surplus excavated material (soil) to a distance n. exc 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Returning filling in soil including spreading, leveling, watering well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

Supply and laying in trenches river sand clean including spreading / leveling, cushioning for underground cables all as specified and directed. NOTE : Punned thickness shall be measured for payment.

Supply and laying in replacement reinforced precast concrete cable cover , class HV, type 2, flat, size 450mmX180mmX40mm complete all as specified and directed.

Plain cement concrete 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) as in foundation of pole etc complete all as specified and directed.

Plain cement concrete 1:3:6 type C-2 (using 40mm graded crushed stone aggregate) as in foundation, filling and mass concrete complete all as specified and directed.

Plain cement concrete (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) as in stay filling or pole coping etc including necessary form work for rough finished surfaces complete all as specified and directed.

S&F in repairs GI tubing light grade 80 mm dia with all fittings laid in trenches or fixed on wall, along pole complete for protection of electric cable complete all as specified and directed.

Supply, laying and testing in repairs of HT cable XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with aluminium conductor, 11000 volts grade cross section area 95 sqmm 3 core complete laid in trenchers, duct, passing through pipe, fixed to poles complete all as specified and directed.

Supply, installation and erection in vertical position steel tubular swaged poles type 410, SP-55 (11 meters long) with 300mmx300mmx6mm mild steel base plate continuously welded to pole, MS plate 3 mm thick finial taper plug bolt, nuts and screws all as specified including factory painted with two coats of black bituminous paint internally throughout and externally for embedded portion and applying two coats of aluminium paint over a coat of red oxide primer on remaining exposed surfaces and making alternate black and white strips 30 cm high with super enameled paint over a coat of red oxide primer up to 1.5 mtrs height from ground level/coping after erecting complete including taking down of old unserviceable RCC /steel pole complete all as specified and directed. NOTE : Excavation, PCC for foundation and earth work shall be measured and paid separately.

S&F in replacement of overhead ACSR conductor to HT overhead lines on existing poles with XLPE insulated AB cable 3 core X 95 sqmm phase cores twisted around aluminium alloy insulated messenger conductor conforming to IS: 14255 including identification of phase by Ridges provided on the insulation of Phase conductors: 1 ridge for the 1st Phase, 2 Ridges for the 2nd Phase and 3 Ridges for the 3rd Phase including accessories like Anchor Clamp, Suspension Clamp, Line Connector, service clamp, insulation piercing connectors, (IPC for Tap from Bare lines) Dead End, Suspension clamp, I Hook etc complete all as specified and directed. complete all as specified and directed.

Supply, fixing, jointing and connecting aluminium conductor steel reinforced and proper binding wires etc including taking down old unserviceable ACSR complete all as specified and directed.

S&F in replacement Cross arms, bracings, 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 indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed.

S&F in replacement Straight through joints for underground cable including jointing material, accessories and labour complete for 3 core XLPE armoured Aluminum conductor cable of size 50 sqmm to 95 Sqmm 3 core complete all as specified and directed.

S&F in replacement cable jointing kit for 11 KV grade cable for indoor 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 complete all as specified and directed.

S&F in replacement cable jointing kit for 11 KV grade cable for out door 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 complete all as specified and directed.

Supplying, fixing and testing gang operated air breaker switch (GOD) , triple pole, mechanically operated mounted on isulators and steel frame with operating mechanism worked from ground level using heavy duty GI pipe for current rating 200 Amps, out door type (confirming to IS specifications) HT 11 KV, tripple pole with fixed contacts of phosphorous and bronze and a set of drop out HT fuse assembly, fuse carrier fitting, 12 insulator type mounted on MS channel operating rod with pad lock arrangement complete all as specified and directed including dismantling old unserviceable.

S&F Expulsion type drop out fuse with all accessories and contact insulator etc fixed on HT pole rating up to 25 Amps suitable for 11 KV 3 pole with two Nos insulator per pole including dismantling old unserviceable one complete all as specified and directed.

S&F Pin type insulator, porcelain, vitreous, white brown, including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut, 150 mm dia and 150 mm height for 11000 volts grade including taking down old unserviceable insulators complete all as specified and directed.

S&F Disc type porcelain insulators 145 mm height and 255 mm dia ball and socket type ,white ,brown or green single disc assembly for tension with tension clamps for conductors working pressure 11 KV volts grade including taking down old unserviceable insulators complete all as specified and directed.

S&F loop type porcelain vitreous white brown, or green insulator with over all dimension 90X140 mm clearance of hole 25.5 mm including taking down old unserviceable insulators complete all as specified and directed.

S&F in repairs Danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled 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 directed.

S&F in repairs erect/ ground HT cable route indicator made out of GI plate 3 mm thick and 6 inches dia duly marked with working voltage, and route indicator fixed with angle iron of size 25 x25 x3 mm thick, 50 cm long embedded in PCC 1:2:4 type B1 of size 20 x 20 x 20 cm in ground complete all as specified and directed.

Supply Filling in with new Stabilizer/transformer oil low viscosity of approved make as per IS-335 of 1992 and die-electric strength 50 KV when tested at 2mm gap complete all as specified and directed.

M&L Filtration of AVR/Stabilizer/transformer oil of transformers step down 11KV / 0-433 V indoor/outdoor type installed at different sub stations/locations using filtration and heating equipment at site by re-circulating transformer oil heating, dehydration and improving di-electric strength of the oil to withstand 40 KV for one minute including testing of oil complete all as specified and directed. NOTE : Transformer oil test kit shall be provided by the contractor at site for testing of oil all as specifiedand directed.

Taking down and reinstall transformer step down 11KV/ 415 Volts complete outdoor/indoor capacity up to 315 KVA including transportation to the wksp and back complete all as specified and directed.

M&L Strip opening of transformer and removing the top cover for draining the transformer oil and taking out the core alongwith HT/LT coil (windings) assembling the core after replacement of HT/LT coils heating varnishing, testing and housing accessories in transformer body and connection up filling in dehydrated new transformer oil and connecting, commissioning with existing electrical system HT/LT on load of capacity not exceeding 160 KVA including taking down and refixing complete all as specified and directed. NOTE :- Transformer oil will be measured and paid seperately.

Description all as per item No 29 above but above 160 KVA up to 315 KVA

S&F in repairs Winding of HT coil of different type, capacity and make of transformer with approved quality supper enameled copper wire/ strips of approved make of suitable gauge and number of turns along with allied materials like cork sheet, fiber glass insulations, paper insulations, cotton/ Empire tap and tube wooden blocks bolts, nuts and washer (Brass) soldering and other packing material etc. all as required at site or directed.

S&F in repairs Winding of LT coil of different type, capacity and make of transformer with approved quality supper enameled copper wire/ strips of approved make of suitable gauge and number of turns along with allied materials like cork sheet, fiber glass insulations, paper insulations, cotton/ Empire tap and tube wooden blocks bolts, nuts and washer (Brass) soldering and other packing material etc. all as required at site or directed.

S&F in replacement of HT Bushes porcelain, vitreous with brass spindle, threaded with washer, nuts, lock and rubber seal suitable for transformer of capacity upto 200 KVA complete all as specified and directed.

S&F in replacement of LT bushes porcelain Vitreous with brass spindle threaded with washers nuts, lacknuts and rubber seal for indoor/outdoor transformer of capacity not exceeding 200 KVA complete all as specified and directed.

S&F in replacement of Top gasket made of 3mm thick cork sheet with suitable holes for transformer including providing suitable size of bolts, nuts and washer for transformer top cover complete for any capacity upto 200 KVA complete all as specified and directed.

Supply only breather assembly plastic body of standard size filled with silica gel of transformer up to 200 KVA complete all as specified and directed.

M&L in replacement of Lightning arresters gapless metal oxide type complete with all fittings, suitable for a system voltage of 11 KV and transmission class, discharge capacity 65 kilo amp complete all as specified and directed.

Taking down old jumper connection of 11 KV yard pole structure from line/AB/DO & refixing complete with new conductor, including line tap, lugs & PVC alkdin/pipe sleevs etc complete all as specified and directed.

M&L taking out 11 KV VCB bus bar compartment of capacity 400 to 800 Amps and cleaning the bus bar with CTC liquid replacement of HT sleeves of suitable sizes of any make upto 11KV, HT insulation tape for CT/PT connection, refixing of bus bar by means of nuts, bolts and washers of suitable size including painting of bus bar compartment internally with insulation paint for removing moisture from VCB all as specified and directed.

M&L servicing/ repair of HT pannel of having VCB 11 KV rating of capacity current rating upto 400 Amps to 800 Amps of any make & type, servicing of VCB by cleaning contacts, moving parts removing dust particles from spout gear mechanism and moving parts repairs to motor, change spring mechanism tightening of nuts & bolts of entire trolly components all as directed inserting in trolly, testing, commissioning putting on the supply on load complete all specified and directed and scope of work includes following :- (a) Inspection and cleaning breakers mechnism assembly & check proper operation and repair work. (b) servicing & overhauling for proper operation of door interlock, interlocking plates and shutter assembly inside of panel. permissible limits, readjust as recommended. (c) check the mechanical ON/OF function, electrical & Mechanical operation & damaged part of VCB. (d) Re-greasing with jelly of breakers mechanism, adjustment of various mechanism, setting as required, checking contact tightness, contact erosion pins, manually vacuum check of VCB. (e) Recking -Rack out operation in test and service positionof VCB trolly. (f) magger test (IR value) E-RYB, RY-YB, BR-RR, Y'Y, B'B. (g) CRM test ( Contact Resistance) of vacume interupter RYB in On condition out side of panel. (h) Function of closing coil, trip coil, spring charging motor, auxilliary contact, limit switch etc. (j) Checking of lubrication of various interlock. (k) Removing all the moisture content inside the VCB panel. (l) S&F over curent earth realy. (m) S&F master tripping really. (n) S&F internal locking system.

Removing all connections of earthing in 11 KV yard from test point, replacement of all rusted nuts & bolts with washers, test point from equipment, checking result of earthing with earth test equipment and preparing records all necessary required at site complete all as specified and directed.

Supply and fixing of UPS suitable 750 KVA AVR for backup including on/off button with indicator, input power cord, battery backup and surge protected outlets, battery connector, AC input circuit breaker 750 VA/250 Vac, AC power inlet with AC fuze, USB data port, in/out Ethernet surge-protected ports, UPS capacity, 750 VA / 410W and battery capaacity 12v, 180 AH lead acid and all connecting accessories complete all as specified and directed. Make :- Luminous/ Microtek/ V-Guard

M&L Earthing complete with galvanised steel earth plate electrode 600x600x6mm buried directly in ground not less than 2.25 Mtr deep below normal ground level with top edge of earth plate not less than 1.5mtr below normal ground level connected to the Galvanised iron strip 32x6mm size by means of bolts, nuts, check nuts and washers of galvanised iron and 32x6mm GI strip Protected by provision of GI light grade pipe 40 mm bore including provision of concrete pit in PCC1:2:4 type B-i , (using 20 mm graded crushed stone aggregate) with 40 mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg /Sqm and 6mm dia bar handle ,excavation and earth work in any type of soil ,charcoal dust and salt light grade GI watering pipe 20 mm bore with funnel and wire mashand medium grade GI protection pipe 15mm bore 5 Mtr long and GI strip up to main earthing of pole complete all as shown in electrical plate No 3 of MES Sch 2009 Part-I all as specified and directed. NOTES : (i) Main earthing strip from earth plate electrode to test point up to length of 7.5 meters length shall deem to be included in the unit rate quoted against this item. (ii) GI protection pipe & earthing lead beyond 7.5 meter shall be measured and paid for separately under appropriate item. (iii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department .

Notes :- An amount of Rs. 1,51,420.00 on account of Credit Schedule for Schedule 'A' Part-II shall be deducted from total quoted amount of BOQ to arrive at the contract sum.

M/S Noor Mohammad Shalla (BID ID -3395628)