REPAIR/MAINTENANCE OF LT DISTRIBUTION NETWORK INCLUDING CERTAIN MISC E/M WORKS AT NAMKUM AND KHOJATOLI MIL STN AND ELECTRICAL DISTRIBUTION SYSTEM INCL CERTAIN REPAIR TO MOTOR PUMPING SYS AT 1 (I) R and O FLT UNDER GE RANCHI

Amount

Excavation in trenches n. exc 1.5 m wide & n. exc 1.5 m in depth for laying under ground cables/erection of pole and getting out in hard/dense soil, complete all as specified and directed

Description all as per item no.1 above but depth exceeding 1.5m and not exceeding 3.0m

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

Removal of excavated surplus material (Soil) to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5mtr above the starting point complete all as specified and directed

S & F GI pipe light grade100 mm dia as protection to cable along the pole / across road crossing/through culvert/passing through ceiling/walls with necessary clamps-02 nos(Flat iron 50x6mm) with ,nuts and bolts complete all as specified and as directed.

Taking out old/unsv/damaged PCC/steel pole complete with all accessories incl demolition of concrete with necessary excavation and earth work incl site clearance complete all as specified and as directed

Supply,installation and erection in true vertical or to be planted as strut steel tubular swaged welded poles complete with MS base plate of 6mm thick of size 300mmx300mm at bottom duly welded and MS pole cap at top,poles made out of ERW MS tubing confirming ti IS1161 part-II, type 410 SP -31(9.0m long) including drilling of holes of required size and nos for fixing of cross arms/clamps, painting with one coat of red oxide primer and two coats of aluminum paint for expose surface and two coats of black bituminous paint for portion embedded in concrete, painting three black/white bands at lower portion of pole each of 300mm height at 300mm spacing, painting pole no. with black paint at suitable height complete all as specified and directed

All as per item no.7 above but 410 SP-55(11.0 mtr long) complete with MS base plate of size 300x300 , 6mm thick on the bottom ,welded at the centre with a through hole of 14 mm dia at a height of 300mm above the planting depth complete all as directed Make: National tubing co./C&S Electric/Bharat Conduit & Steel works

Plain cement concrete 1:4:8 type D-2 (Using 40mm graded crushed stone agg) as in foundation of poles and mass concrete complete all as specified and directed

M&L Cement concrete 1:3:6 type C-2 (Using 40mm graded crushed stone agg) as in foundation of stays and coping around poles complete all as specified and directed

M&L Cross arms bracings, support, clamps and back plates fabricated from structural steel section including nuts, bolts, washers etc, 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 aluminum paint complete all as specified and directed

Taking down old unsv /burnt/damaged ACSR conductor of any size and GI wire of any size complete incl removal from work site complete all as specified and as directed

Supply and Fixing aluminium conductor steel reinforced stretching without kinks and bends and fixed to insulator on HT/LT poles using binding wire.The size of conductor shall be (a)6/1x2.59 mm Weasel (b) 6/1x2.11 mm Squirrel ( c) 6/1x3.00 mm Ferret

M & L for GI wire 4.00 mm dia as earth wire for continous run on HT/LT overhead line, stretching and fixed to HT/LT pole, connecting to earth terminal complete all as specified and directed

M & L for shackle type porcelian vitreous white ,brown or green insulator including galvanised mild steel straps washers,insulator bolts,washers and nuts of size 100 mm height and 115mm dia for 1100 volts grade complete incl taking down old/unsv insulator any type

M & L taking down old/unsv and new Stay assembly set complete using 230x230x6mm thick, stay plate and 16 mm dia rod,180 cm long with all accessories as shown in electrical plate no.1( Loop type insulator,stay clamps,excavation and concrete measured seperately)

M & L for loop type insulator,vitreous porcelain whits brown or green with overall dimension of 65x90mm,clearance of hole 16mm complete all as directed and specified

M & L for galvanised stay strand of size 7/4mm complete suitable for stay assembly incl connection on pole complete all as specified and directed

Danger notice plate 20x15 cm and 1.6mm thick mild steel sheet vitreous enamelled white with letter,figure and conventional skull and bones in signal red colour and fixed with MS clamp bolts/ nuts of approved size for LT 1100 VOLT complete all as specified and directed

All as per item no.19 above but for HT,25x20cm size

M& L for Disc type insulator porcelain, vitreous 145mm high and 255 mm dia ball and socket type white brown or green insulator two in series disc assembly for tension with tension clamps for conductor of working pressure of 11000 volts(Note: Disc insulator two in series counted as one set only) Make: Jaipuriya/Rashtriya

M& L for pin type ,porcelain,vitreous white brown or green insulator including one galvanised mild steel spindle,two galvanised iron washers and one galvanised iron nut 150mm height,150mm dia for 11000 volts grade Make: Jaipuriya/Rashtriya

Labour only for cutting of up grown branches of trees including making clearance of minimum 1 meter on both sides of over head conductor complete all as specified and as directed by the Engineer-in-Charge.(Note- Clearence of tree branches should be 5 meter apart from span)

Restretching of LT/HT overhead line ACSR conductor using lifter and binding with insulator on HT/LT pole using binding wire complete all as specified and as directed by the Engineer-in-Charge. ( Note: Total Span length shall be considered for measurement of HT/LT pole not the individual conductor in each span i.e. span length = Runing metre).

S&F MCCB four pole 415 volts 50 Hz 630 amps of capacity 25 KA with thermal magnetic release complete with all accessories.Make :Havells/Legrand/Schnider/HPL

S&F MCCB four pole 415 volts 50 Hz 250 amps of capacity 25 KA with thermal magnetic release complete with all accessories.Make :Havells/Legrand/Schnider/HPL

S&F MCCB four pole 415 volts 50 Hz 400 amps of capacity 25 KA with thermal magnetic release complete with all accessories.Make :Havells/Legrand/Schnider/HPL

S&F MCCB four pole 415 volts 50 Hz 100 amps of capacity 25 KA with thermal magnetic releasecomplete with all accessories.Make :Havells/Legrand/Schnider/HPL

Earthing complete with galvanised steel earth electrode plate of size 600x600x6mm thick, buried directly in ground(earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.50m below normal ground level, connected to galvanised iron earth strip 32x6mm up to test point with suitable GI nuts/bolts and brazed properly up to main board including earth pit in cement concrete 1:2:4 type B-1, precast RCC cover in 1:2:4 reinforced with expanded metal, with suitable handle, excavation and earth work in any type of soil and including medium grade GI watering pipe 15mm bore with funnel wire mesh and medium grade GI earth wire protection pipe 50mm bore up to main board complete as shown in electrical plate no 3 of MES schedule Part-I 1991, connected to earthing testing point including taking out existing unsv earthing complete all as specified and testing on completion complete all as specified and directed

Taking down old unserviceable and Supply , installation testing and commisioning of LT MCCB Panel Board of suitable size cubical weather, dust and vermin proof fabricated out of CRCA sheet steel suitable size thicness complete, MCCB panel board should be manufactured and supplied by ISO 9001 certified OEM of MCCB. The Busbar system should be duly type tested at NABL lab for short time with stand current of 1 Sec. it should be suitable for wall or floor mounting with Double door option, Panel board enclouser should be robust contruction and corresion resistance powder coated with seven tank process with locking arrangement fixed on suitable size foundation 60 Cm above the GL by providing angle iron of size 50 x 50 x 6 mm welded on all the four corners embedded in PCC 1: 2: 4 using 20 mm graded stone aggregate up to 30 Cm including electrical connection with lugs & glands complete comprising the the following:- : Copper busbar of high conductivity 630 Amps capacity 4 wire system - 01 set MCCB , 400Amps , 35 KA, 04 Pole-01 Nos (Incoming) MCCB , 250Amps , 35 KA, 04 Pole-02 Nos (Outgoing) MCCB , 200 Amps , 25 KA, 04 Pole-02 Nos (outgoing) MCCB , 100Amps , 25 KA, 04 Pole-02 Nos (outgoing) Digital type panel mounted Voltmeter 0-500 volts. Digital type panel mounted Ampr meter 0-500 Amps with CT's . Three phase Indication lamp LED type, - 01 Set {Set of three Nos (RYB) } Digital type frequecy meter ,50 Hz, panel mounted Note: All Internal connection of MCCB from BUS Bar made By using copper busbar of rated Capacity

Cable Jointing kit for 11KV earthed grade cable for outdoor termination heat shrink type joint complete with all accessories suitable for 3 core XLPE armoured cable 95 sq mm Make-Denson

Supply and laying or fixing or passing through pipe testing and commissioning of 11000 Volts earthed 'Heavy duty" PVC sheathed armoured cable HT, XLPE insulated aluminium conductor multi stranded served with inner sheating of PVC tape armored with galvanised steel wire or tape and overall PVC sheathed of size 95Sqmm earthed nominal cross sectional area 3.0 core confirming to IS specification.

M&L for security light energy conservation LED roadway lighting luminaires 45W based deep drawn aluminium housing in grey finish with clear acrylic and cast alum pipe mounting attachment IP66 protection complete with all accessories.Make: Bajaj/Havells/crompton

Dismantling exixting old and unserviceable security light brackets and Supply & Fixing Bracket made out of GI light grade pipe of 40/35 mm dia 1.5 mtr long bend to an angle of 120 degree with 02 Nos MS clamp 50mm x 500 and 04 sets of nuts,bolts and washers painting with two coats of synthetic enamel paint over a red oxide primer complete all as specified & directed.

Earthing complete with galvanised steel earth plate electrode 600x600x6.3mm thick burried directly in ground ( earth pit not less than 2.25m deep below the ground level ) with top edge of the plate not less than 1.5m below normal ground level connected to galvanised earth lead GI wire 4mm dia by means of bolts, nuts, check nuts and washers of GI or steel all as shown in electrical plate No 5 including charcoal dust,common salt, 20mm GI medium grade watering pipe, 15mm bore light grade earth lead protection pipe upto test point,funnel with wire mesh, PCC pit 1:2:4 type B-I using 20mm graded stone aggregate with angle iron frame, 40mm thick RCC cover with 8mm for steel bar @100 C/C both way complete all as directed by Engr-in-charge & testing for required value complete.

Supply and install HT 11 KV outdoor type gang operated air break switch suitable for horizontal or vertical mounting with drop out fuse having 12 insulator of rating up to 200 amps complete with operating rod GI 20mm dia and handle rubber insulated complete all as specified and as directed incl taking down old/unsv GOD air break switch .Make: Jaipuria/Rashtriya

Supply and fixing lightning arrestor set surge type complete with all fitting suitable for 11000 volts discharge 65 KA 50Hz incl taking down old/unsv Make:Raychem/Elpro

Supply and laying or fixing or passing through pipe testing and commissioning of 1100 Volts grade 'Heavy duty" PVC sheathed armoured cable LT, XLPE insulated aluminium conductor multi stranded served with inner sheathing of PVC tape armored with galvanised steel wire or tape and overall PVC sheathed of size 185 Sqmm nominal cross sectional area 3.5 core confirming to IS specification.(Make : HAVELLS/GLOSTER CABLE LTD /CCI /NICCO/Finolex)

Supply and laying or fixing or passing through pipe testing and commissioning of 1100 Volts grade 'Heavy duty" PVC sheathed armoured cable LT, XLPE insulated aluminium conductor multi stranded served with inner sheathing of PVC tape armored with galvanised steel wire or tape and overall PVC sheathed of size 150 Sqmm nominal cross sectional area 3.5 core confirming to IS specification.(Make : HAVELLS/GLOSTER CABLE LTD /CCI /NICCO/Finolex)

Fixing only aluminium conductor steel reinforced stretching without kinks and bends and fixed to insulator on HT/LT poles using binding wire. (Note- Aluminium conductor will be reused otained from Srl Item No -12)

Supply and fix aerial bunched cable 11KV HT grade having three power core X 95 Sqmm cable & one neutral X 70 Sqmm twisted around a high strength Aluminium Alloy bare wirewhich also serve as earth cum neutral wire with black coloured XLPR insulated conforming to IS8130/1984 , IS-398(Part-IV)/1979 and IS-14255/1995. Make- Havells/CCI/Kalinga/Finolex

Sand filling in cable trenches for cable protection with clean dry sand unwashed including gently put in trench

S&F for old size brick well burnt, laid flat, for cable protection complete all as specified and directed.

Supply, installation, testing and commissioning in replacement outdoor type cubicle panel board suitable for 3 phase 4 wire 415 V, 50 Hz and factory fabricated in an approved factory having modern fabrication process powder coating make it dust/vermin proof outer shall be made out of 3 mm thick CRCA sheet & MS angle section 50x50x6mm frame, factory fabricated double door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks, louvers & air vent gasket for natural flow outer shell completely vermin proof Inner shell shall be made out of 1.6mm thick CRCA sheet duly compartmentalized 1. Incoming : MCCB 200 Amp, 4 pole 415 V, 50 Hz Icu 36 KA (Icu =75% Icu) thermally adjustable between 70-100%- 1 No. 2. Outgoing : (a) MCCB 160 Amp, 4 pole, 415 V, 50 Hz Icu 36 KA (Icu=100% Icu) thermally adjustable between 70-100 - 1 Nos Make Indoasian, HPL, Havells (b) MCCB 100 Amp, 4 pole, 415 V, 50 Hz Icu 36 KA (Icu=100% Icu) thermally adjustable between 70-100 - 2 Nos. Make Indoasian, HPL, Havells , timer for street light 40 Amp 01 nos (c) Digital panel multi function meter to measure current, voltage, frequency & power factor having programmable with CT size 96 mm x 96 mm accuracy class 1.0 Make HPL, L& T Indicating lamps 22.5 mm dia LED type, 240 V AC 03 Nos 600 Amp and 01 No 400 Amp aluminium basbar.

M & L for Painting of LT steel pole with cross arms, clamp of any length and shape for HT overhead line with single coat of aluminium paint including preparation of the existing surface including marking pole numbers in a 20 cm dia circle with colour numbering with synthetic enamelled paint and strip marking of THREE BLACK AND THREE YELLOW alternatively from bottom of pole complete all as specified and directed.

Transportion stand by transformer of capacity 100 to 500 KVA from MES store yard to site (Distance not more than 25 KM) or vice versa by means of crane,trucks including installation and connection or de-installation and disconnection at location complete all as specified and directed

Disconnnecting and strip opening transformer upto and including 200 KVA 11 KV/433 volts indoor/outdoor type of any make after unscrewing nuts/bolts screws and connected accessories such as breather conservator tank, temprature gauge for replacement of defective HT/LT coils, defective parts (Defective parts to be replaced shall be measured and paid separately). Reassembling afetr replacing the defective coils /defective parts and replacing the top (gasket sheet and other insulating packing materials and testing complete all as specified and directed including taking out, handling of distribution transformer any size any capacity to workshop & back to the installation. (Note: the reassembling elements covers the assembling of parts not to be changed where as for the rest it shall be the part of the item being replaced.)

M&L for rewinding of transformer of any capacity HT/LT coils using the same gauge of super enameled copper winding wire and replacing the old paper tape insulation, necessary insulation packings/ paper insulation etc with repalcement of crop tape , proven sheet, silphase brazing rod, HT block, LT block etc are included, all as specified and directed, (Note: The coil replaced shall have same number of turns, gauge, insulation value matching as per manufactures design. Measurement shall be made of winding wire consumed.

S&F in replacement LT bush suitable for indoor/outdoor transformer 100 KVA complete with fixing accessories, 4 Nos brass nuts/brass cap complete all as specified and directed.

S&F in replacement of tap changer suitable for outdoor transformer 200 KVA complete with fixing accessories, 08 Nos brass pin nuts/brass cap complete all as specified and directed.

Complete testing of transformer consisting of IR value of both HT & LT side, earth resistance of all the four earths, dielectric strength of transformer oil etc complete all as specified and directed

S&F in replacement HT 11 KV bushing insulator suitable for indoor/outdoor type upto 200 KVA transformer complete with brass stud, 4 Nos brass nuts, brass cup/washers and packing gasket complete all as specified and directed.

Supply and replacement of temprature gauge 0-100 degree celsius range circular type complete all as specified and directed.

Supply and fill up transformer oil as in topping up/refilling of transformer having dielectric strength not less than 50 KVA at 2.5 mm gap conforming to IS-335 by heating up and after filteration. (Transformer oil shall be filled after necessary heating, moisture free with dielectric strength as specified above) Make: Tran sol/Power oil/or equivalent as approved by GE.

M&L for on line dehydration/filtration with machine (not small filtration portable machine) complete all as directed of transformer pole mounted or platform mounted of any capacity complete all as specified and directed.

S&F in replacement of LED Street light luminaries fittings 45 watt green line a road lighting luminaries with high power LED and unique peanut to ensure uniform light distribution higher spacing between poles and maintenance free system Make-Crompton/Bajaj/Havells. Note:- (i) The contractor shall produce minimum two years warrenty against any manufactures defect/ failure of fitting from the authorised representative / OEM of the make as specified and brought at site. (ii) The Lux output shall not be less than 100 lumins per watt. (iii) The PF should be > 0.90 (iv) The LED street light fittings shall be provided with overload / under load protection with range 180 to 380 volts and inbuilt surge protection device. (v) The contractor / manufacture shall provide on site warranty for carrying out necessary repair / replacement of defective street light fittings. (vi) The LED fitting and driver in fitting shall be of same make as that of light fitting.

S & F Timelite distribution boards 40 A 3 pole /230 V Astronomical time switch ,MS sheet metal enclosure factory made, weather proof with locking arrangement and painting with synthetic enamel paint complete and fixed with angle iron frame of size 40 x 40 x 5 mm with suitabale size of nut and bolts etc .

Supply and replacement of transformer breather transparent type complete with silica gel for capacity 25 KVA to 400 KVA transformers

S&F in replacement XLPE insulated screen, PVC bedded galvanized steel strip on wire armoured electric, power cables heavy duty with aluminium conductor 1100V grade, earthed system cross sectional area 95 Sq mm X 3.5 core laid in trenches or passing through pipe or fixed to wall/poles complete all as specified and directed Make: CCI/ICC/ Havells/Polycab/ Gloster/ICL.

S&F in replacement XLPE insulated screen, PVC bedded galvanized steel strip on wire armoured electric, power cables heavy duty with aluminium conductor 1100V grade, earthed system cross sectional area 70 Sq mm X 3.5 core laid in trenches or passing through pipe or fixed to wall/poles complete all as specified and directed Make: CCI/ICC/ Havells/Polycab/ Gloster/ICL.

S&F in replacement XLPE insulated screen, PVC bedded galvanized steel strip on wire armoured electric, power cables heavy duty with aluminium conductor 1100V grade, earthed system cross sectional area 50 Sq mm X 3.5 core laid in trenches or passing through pipe or fixed to wall/poles complete all as specified and directed Make: CCI/ICC/ Havells/Polycab/ Gloster/ICL.

S&F in replacement XLPE insulated screen, PVC bedded galvanized steel strip on wire armoured electric, power cables heavy duty with aluminium conductor 1100V grade, earthed system cross sectional area 16 Sq mm X 4 core laid in trenches or passing through pipe or fixed to wall/poles complete all as specified and directed Make: CCI/ICC/ Havells/Polycab/ Gloster/ICL.

M&L for GI tube light grade for passing through cables under for floor along the pole of 50 mm bore and fixed to the poles/ walls with suitable size of MS clamps and nut and bolts/washers etc including taking down old GI tubing complete all as specified and directed.

Taking out the submersible motor from bore/open well upto 15 HP including GI pipe of 50/65 mm dia complete and lowering down all as directed and transportation of submersible motor upto 12.5 HP 3 Phase from pump house at any location in Namkum area under AGE E/M Namkum Yard, transporting to contractors workshop.

Dismantling and carrying out necessary repair/replacement of motor including reassembling, testing and commissioning for satisfactory operation as per the following :- (a) Cutting out existing winding of starter of submersible motor of any make and rewinding with same size of copper winding wire as existing as directed by the Engineer-in-Charge. (b) Straightening the slot of water of submersible motor of any make. (c) Replacement of thrust bearing block complete of submersible motor of any make. (d) Replacement of worm-out bushes of submersible motor as per manufactures design and specification. (e) Replacement of submersible cable 3 Core of suitable size 4 Mtr long complete with suitable clips. (f) Replacement of sand guard. (g) Providing of sleeves in end plate of submersible motor. (h) Replacement of cable gronment. (j) Replacement of water seal. (k) Replacement of studs with nuts. (l) Remetlling of motor shaft, turning to bring it to original size and shape and plastering of shaft of submersible motor. (m) Painting of motor and tranporting it back to site/store yard and testing to the entire satisfaction of Engineer-in-Charge.

M&L Reparing of submersible pump 7.5 HP and lowering down of motor pump set with GI pipe and rope all as directed and transportation of submersible pumps upto 15 stage from pump house at any location in under AGE E/M storeyard, transporting to contractors workshop, dismantling and carrying out necessary repairs/replacement of pumps/testing as the following :- (a) Replacement of coupling of submersible motor pump key. (b) Overhauling of submersible pump and carrying out the following repairs. (c) Balancing of pump shaft and cutting of key slots. (d) Minor repairs of bowel assembly. (e) Re-threading of worn-out studs holes and providing over size studs with nuts. (f) Replacement of bowels bushes. (g) Replacement of neck ring. (h) Replacement of steel distance pieces. (j) Replacement of impeller. (k) Replacement of bowel. (l) Replacement of head extension. (m) Painting of pumps and transporting it back to site/store yard and testing to the entire satisfaction of Engineer-in-Charge.

Replacement of old rusted GI Column Pipe medium grade of size 65 mm dia in pieces of 3.3 Metre long, lathe m/c threaded both ends in the bore/open wells complete all as specified and directed.

S&F PVC insulated submersible cable water proof flat type 3 core with stranded copper conductor cable, 6 Sqmm, 1100 Volts grade inculding cable lugs/joints, connection to submersible motor and other end to aluminium amoured cable including jointing complete as directed. Make: HPL / Havell's /

S&F of steel rope in submersible bore wells from motor to top edge of the bore well of size 6 mm dia (Multi wire stainless steel) for holding of submersible pump motor set all as directed by Engineer-in-Charge.

S&F GI tubing medium grade ISI marked including all fittings laid in trenches/fixed on wall of size 15mm bore all as specified and directed

Flushing/cleaning of bore well including taking out and lowering of new /repaired submersible pump set of any size (5 HP to 15 HP), 3 Phase 400/415 Volts in 200/250 mm size tube well upto existing depth of bore comprising following nature of work:- (a) Dip connecting existing pipe connection in any size and removing electric connection. (b) Errection of trapord/chain pulley lock at site. (c) Unscrewing the submersible pump and removing the same at site for relowering. (d) Transporting the trolley mounted DTH machine at site for flusing the bore well/further boring if required. (e) Flushing the bore hole through compressor operating 120 PSI after lowering the rig in length 1.5 Mtr x 80 Nos continously till clear water in obtained not less than 8 hrs.

M/s Ray construction

BHARATI ENTERPRISES