REPAIR AND MAINT OF LT DISTRIBUTION SYSTEM OH LINES MCCB LT PANEL BOARD AND ITS ALLIED WORKS AT TECH AREA AND DOMESTIC AREA AND REPAIR MAINT OF LIGHTENENING ARRESTOR AVIATION LIGHT CONTROL PANEL WATER SUPPLY LINE EARTHING FOR E AND M INSTALLATI

Amount

Excavation in trenches not exceeding 1.5m deep and not exceeding 1.5m wide and getting out in hard/dense soil for all as directed.

All as per item No. 1 here-in-before but exceeding 1.5m and not exceeding 3.0m deep.

Returning and refilling of excavated soil upto a depth of 30 cm after riddling the excavated soil for laying underground cables and post holes all as specified and as directed.

Removal of surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point.

M & L for brick protection to cable using old size sub class 'B' bricks, laid flat, dry butt jointed, laid lengthwise perpendicular to the axis of cable all as specified & directed.

Relaying of old serviceable bricks of any size removed from old cable trenches laid across trenches for cable protection.

M&L for Plain Cement Concrete 1:4:8, type D-2, Nominal mix (using 40 mm graded stone aggregate) for foundation, filling and mass concrete including formwork all as specified and as directed

Material and labour for Plain Cement Concrete 1:3:6, type C-1, nominal mix using 20 mm graded stone aggregate as in foundation/ coping of poles including necessary form work and finishing the exposed concrete surfaces even and fair all as specified and as directed.

M & L for cutting Bitumen macadam / concrete foot path/hardstandinf to a depth 0.75 mm with suitable mechanical cutter making good with instant hot mix bitumen road repair mix in appropriate temperature/ Plain cement concrete 1 : 2: 4 type B1 nominal ( 20mm graded aggregate ) respectively to match the existing surfaces complete all as specified and directed.

Material and labour for cable jointing kit for 1.1 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 .5 core XLPE armoured aluminium conductor cable of size 25 sqmm to 50 sqmm complete all as specified and directed.

All as per Item No.10 above but for 3.50 core cable 70 to 95 Sq mm.

All as per Item No.10 above but for 3.50 core cable 120 to 185 Sq mm..

All as per Item No. 10 above but for 3.50 core cable 240 Sq mm.

All as per Item No.10 above but for 3.50 core cable 300 Sq mm.

Cutting removing the vegetation growth and surface dressing all around the installation yard including 4/2 pole structure area to keep the installation area (external only) clean and tidy all as per drected by Engineer- in- charge.

Cutting, trimming and prunning of trees/tree branches of any girth upto 4m all around existing LT/HT over head lines including cleaning the disturbed area beneath the LT/HT overhead lines and removing the tree/ tree branches and debris from at site and depositing where directed by Engineer-in-Charge. Note: (i) The rate quoted shall deemed to be applicable for the entire period of the contract. (ii) Approximate span between each poles is 45 to 60m.

Supply, Laying testing and commissioning of LT UG cable of capacity 16sqmm 2 core, 1100 Volts grade XLPE insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferules connection complete including taking out old unserviceable UG cable complete all as specified and directed. Note: Earth work and excavation shall be measured and paid separately under relevant item in this schedule. [a]16 sqmm 2 core

All as per Item No.17 above but for 16 sqmm 4 core

All as per Item No.17 above but for 25 sqmm 3.5/4 core

All as per Item No.11 above but for 50 sqmm 3.50 core

All as per Item No.17 above but for 70 sqmm 3.50 core

All as per Item No.17 above but for 95 sqmm 3.50 core

All as per Item No.17 above but for 120 sqmm 3.5 core

All as per Item No.17 above but for 185 sqmm 3.50 core

Taking out the existing any description of LT UG cable and find out the fault and re-laying of the same LT UG cable of capacity 10 sqmm to 16 sqmm 4 core in trenches/walls/poles/passing through pipes with new lugs/thimble/ferules connection/ cable joints, testing and commissioning complete all as specified and directed. Note: Earth work and excavation required shall be measured and paid separately.

All as per Item No.25 above but 16 sqmm to 25 sqmm 3.5/4 core

All as per Item No.25 above but 50 sqmm to 120 sqmm 3.5 core

All as per Item No.25 above but 185 sqmm to 300sqmm 3.5 core

Supply and laying of 40mm bore GI tubing 'Light' grade ISI marked with all fittings for cable protection fixed on poles/walls/laid under roads crossing etc and made good the disturbed surfaces/area complete all as specified and directed.

All as per Item No.29 above but 50 mm Bore

All as per Item No.29 above but 80 mm bore

All as per Item No.29 above but 100 mm bore

M&L for boring of holes under road, pavement and hard standing by trenchess techonology using ultra sound technique and necessary machine including provision of necessary HDPE pipe of 110mm dia suitable for 0.4mpa working pressure complete all as specified and directed.

M/L for providing of new MCCB 4 pole,415 volts, 400 Amps with breaking capacity 36 KA, Adjustable type including disconnecting the incoming/outgoing cable connections and re-connecting with suitable aluminum lugs/ferruls including extended terminals etc after taking out the existing unserviceable one and making good the disturbed surface complete all as specified and directed.

All as per Item No.34 above but 200 Amps with breaking capacity 36 KA

M/L for providing of new MCCB 3pole,415 volts, 32 to 100 Amps with breaking capacity 16 KA, fixed type including disconnecting the incoming/outgoing cable connections and re-connecting with suitable aluminum lugs/ferruls including extended terminals etc after taking out the existing unserviceable one and making good the disturbed surface complete all as specified and directed.

All as per Item No.36 above but 160 Amps with breaking capacity 36 KA

All as per Item No.36 above but 200 Amps with breaking capacity 36 KA

Dismantling and taking out of old rusted unserviceable LT pole complete and spply and fixing of new Hexagonal/Octagonal GI Pole of 7m height including Base plate, bolt , nut & Fancy Bracket etc all as per Engineer in Charge. Note:- Cost of necessary Earth work and PCC shall be measured and paid separately as "Material and labour"

Taking down old serviceable conductors any description and re-stringing/ tightening of ACSR conductor (size- squirrel/ weasel/ ferret) / GI earth continuity conductor/ cradle up to the permissible sag limit between any span length and binding the with new binding wire of the same materiel to insulators all as specified and as directed. Approximate span between poles are 45 to 60m.

Dismantling old and unserviceable ACSR any description of size conductor including disconnecting from the poles and depositing where directed.

M/L for ACSR conductors of any size LT OH lines wire and making jumper connections complete all as specified and as directed.

Supply, fabricating and fixing in repairs, cross arms (any type) supports, bracting, stiffness etc made out of MS channel, angle iron , flat iron of any size including drilling of holes, making clamps, eye hooks, nuts, bolts and washers etc, welding if required including painting with two coats of aluminium paint over a coat of red oxide paint all as directed by Engr-in-charge.

Supply & fixing in replacement, shackle type porcelain vitreous white, green or brown insulators for working pressure 1100 volts, 90mm dia 75mm height including removal of existing insulators.

M&L for pin type insulator, porcelain, vitreous, white, brown or green insulator of size 100 mm height, 65 mm dia for 1100 volts grade, including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron bolt including taking out the old unserviceable insulator and making good the all as specified and as directed.

M&L for removing old/burnt out jumper connection in binding with LT lines from position including re-binding the same with new binding wire of size 3.25mm aluminium wire all directed by Engr- in- charge

Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m all as specified and as directed.

M&L for servicing to indoor/outdoor LT panel board installed at AFS Tambaram, opening up all cubical doors, cleaning with air blower, removing the burnt out unserviceable instruments, copper wiring kit, and burnt out unserviceable extented copper terminals/ copper cable and replacing with new copper extented terminal bus bar with suitable size along with required nut bolt, washers, and replacing the measuring instruments like Ammeter with existing size of the CT, Volt meter, indicating lamps of LED type 'R Y B' cleaning with CTC to serviceable parts like MCCB's, all terminals, replacement of damaged aluminum lugs any description of LT U/G cables in coming and out going, welding of broken door with suitable hinges, replacement of deterioated copper wiring with suitable copper conductor with circuit indicator replacement of sheared rubber beadings to door of panels, including preparing the existing surface for spray painting to powder coated surface with two coat of synthetic enameled paint of approved colour, marking of incoming and out going feeder with fluorecent stickers incl preparation of the surface of panel complete all as specified and directed. Notes : Necessary spares such as ammeter, voltmeter, lugs, indicator light, CT coil shall be measured and paid separately under relevant item as " Supply only"

Supply only Volt meter digital type 0-500 Volts

Supply only Ammeter digital type suitable to 0 - 500 Amps

Supply only Aluminum lugs suitable for70 sqmm to 150 sqmm cables

Supply only Aluminum lugs suitable for 185 to 300 sqmm cables

Supply only Aluminum lugs suitable for 25 sqmm to 50 sqmm cables

Supply only Indicator lamp LED type 'R,Y,B'

Supply only CT coil size 4x4 ratio 100/5 Amps

Material and labour for welding in repairs n exc 2.5cm in length n exc 6m thickness of metal of metal to be welded complete all as spcified. NOTE : The rate quoted is inclucve of Hinges/ lock etc any other accessories .

Supply, install, testing & commissioning in repair / replacement of factory made outdoor LT Panel board of sutiable size for 3 phase 415 volt of both side opening double door with push type metal lock, heavy duty wide hinges, seperate common across cable aley, made out 3 mm CRCA sheet with angle iron frame of size (50 x50 x 6 mm) and MC channel of size (75mm x 40mm) for panel base out door type , free standing cubical type totally enclosed dust and vermin proof with front and rear opening withlocking arrangment of 440 Volts , 3 Phase 4 wire 50 Hz having Alluminium Bus bar of capacity 1000 Amps duly insulated with IP 54 protection,with powder coating including PCC foundation complete with following switches, space for 1 No vacant cubical suitable for 63 A cable alley including disconnecting and refixing LT XLPE cable with glands and lugs:- INCOMING:- i) ACB 630A 4P, 50KA, 440V, 50Hz manual draw out type - 1 Nos ii) Multifunction LED meter complete with CT coil including set of indicating lamp RYB -1 set

OUTGOING - MCCB, 3 pole, 35KA ,fixed type, 415 volts 400 Amps rating.with suitable spreader terminal.-2 Nos MCCB, 3 pole, 35KA ,fixed type, 415 volts 200 Amps rating.with suitable spreader terminal - 4 Nos MCCB, 3 pole, 16KA ,fixed type, 415 volts 100 Amps rating.with suitable spreader terminal - 3 Nos

M/L for earthing complete with galvanized steel earth plate electrode 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 1.5M below normal ground level connected to GI earth strip of size 25 x 3 by means of nuts, bolts, check nuts and washer of GI steel and connecting to testing point including provision of test point and all as shown in electrical plate No. 3 of SSR Pt I. The work is inclusive of necessary earth work and PCC chamber in type CI (1:2:4) with 8 TMT bar reinforcement both ways at 140 mm centre to centre complete all as directed by Engr-in-Charge. Note:- GI earth lead beyond 7.5m shall be measured and paid separately

Repair and replacement of water level indicator on over head reservior of capacity from 50000 gallons to one lakh gallon by providing floating balls made out copper and iron weights,nylon ropes 8mm dia,wooden board with level marking,painting including fixing on RCC walls/colomns complete all as specified and directed.

All asper item No.59 above but capacity of over head reservior from 12000 gallon to 20000 gallons.

S&F solid state electronic type aviation obstruction light fittings with lamp of minimum 302 LED with cast aluminium alloy poly carbonate red colour and connecting up and testing complete on top of the hill/tower/over head reservior and other buildings all as directed.

M &L for two runs of wiring for circuit /sub main wiring along with 1 run of earth wire with the following sizes of FRLSH, PVC insulated unsheathed ,industrial grade copper conductor ,single core ,flexible cables,1100 volts conforming to IS-694 drawn in existing cable ducts /racke/pipes in surface /recessed as required for connections from panel to pump motors including taking down /dismantling of existing unserviceable /burnt copper conductor all as specified and as directed .

M&L in replacement for Earth continuity conductor or main earthing fixed to wallon batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to roof of lighting arrestor mounted on RCC OH Reservoir upto 18 mtr staging or any other indicated situation for loop earthing as required 25 x 3.15 mm aluminium strip.

Supply and fix in replacement Air termination ,single pointed copper rod 12mm dia and 300mm long

M&L in replacement of Test point terminal block made of gunmetal or phospherous bronze size 75 x75 x25mm drilled and screwed including 3 nos 8mm dia 25 mm long hex head screw

Supply and laying in trenches of Ductile Iron spigot and socket pipes as per IS:8329/2000 Class K7 including EPDM rubber gasket suitable for and including push on rubber gasket joint with inside cement mortar lining and outside Zinc bitumen coating complete all as specified and directed.for the following size including taking down old DI/CI Pipes etc. :- Make :- Electrosteel/Tata /Jindal

300mm dia

200mm dia

150mm dia

100mm dia

80mm dia

M & L cast iron fittings ISI marked such as bends (any type, radius any angle) tapers any type (straight or bend), increasing, decreasing or double socket etc) Tee pieces single branch, double branch,cross(all sockets and socket and spigot) collars, caps and plugs tail piece confirming to IS 1538/1993 complete all as specified and directed.

M & L run lead joint including all necessory jointing materials like lead spunyarn etc for the CI pipe complete all as specified and directed for the following size :- Note : old recovered lead from leaking joints shall not be reused.

300 mm dia

200mm dia

150mm dia

100mm dia

80mm dia

Supply and fix in repairs Gun metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe complete all as specified and directed for the following size:-

50mm dia

40mm dia

Supply and fix in repairs CI Non Return valve conforming to IS-5312 Part - I ,PN 1.6 ,having flanged end joints with brass seating including jointing materials such as 3mm rubber gasket 01 No, 10mm dia nut & bolts and washers complete all as directed for the following size :-.Make :- Kirloskar/Upadhaya/Leader/ Kartar

150mm dia

100mm dia

80mm dia

Supply and fix in replacement of Gun metal Non Return Sluice Valve of size 50mm bore ISI marked suitable for screwing in GI pipes fixed all as specified and as directed.

Supply and fixing in replacement CI sluice valve confirming to IS -14846 PN-1.0 non raising type both ends flanged with SS spindle including jointing materials such as nuts, bolts washers and 3mm rubber gasket 02 Nos complete all as specified and directed for the following size.

300 mm dia

150mm dia

100mm dia

80mm dia

Cutting of existing road/ floor/ plinth/drain of any description of width and depth not exeeding 0.45 metre for taking out /laying of CI/DI/GI pipe line including necessary earth work excavation and making good the distrubed surface with PCC 1:3:6 type C1 using 20mm graded stone aggregate complete all as specified.

Supply and fix in repair galvanised iron bolt,nut and washers of any dia and length as required at site all as specified and as directed.

Material and labour for brick work with sub class "B" bricks using old size bricks straight or curved on plan exc 6m mean radius,built in cement mortor 1:6 as in valve chamber complete all as specified and as directed.

Material and labour for rendering 10mm thick on fair faces of bricks(inside of valve chamber) in cement mortor 1:4 finished the surface even and smooth without using extra cement,complete all as specified and as directed.

Material and labour for mild steel chamber cover made with mild steel sheet of 3.15mm thick for shutter angle iron frame including necessory welding and fixing arrangement and applying two coats of synthetic enamel paint over a coat of metal primer etc complete including taking down old MS sheet cover all as specified and as directed..

Surface dressing not exceeding 15 cm deep and getting out in hard /dense soil around shallow well / pump houses inside the fencing and outside 3 meters wide around the edges of fencing all as specified and directed.

S&F in replacement of contactor for Star Delta starter 440 volts, 50 Hz, 3 phase, AC, suitable for following HP of induction motors all as specified and directed.

upto16 Amps suitable for 7.5 / 10 HP

upto 25 Amps suitable for 12.5/15 HP

upto 80 Amps suitable for 25/ 40 HP

Supply and fix DOL starter suitable for submersible pump 3 phase AC motor upto 5HP,3Phase,415 volt all as specified and as directed..Make : L&T / BCH/ SIEMENS

Supply and fix automatic star delta starter suitable for pump set, 3 phase AC motor capacity 7.5 to 15HP,built in overload relay,single phase preventor,AC3,4pole contactor,415 volt in heavy duty deep drawn sheet metal box all as specified and as directed.

Supply and fix automatic star delta starter suitable for pump set, 3 phase AC motor capacity 20 to 40 HP,built in overload relay,single phase preventor,AC3,4pole contactor,415 volt in heavy duty deep drawn sheet metal box all as specified and as directed.

Supply and fix electronic overload relay suitable for submersible pump as specified and directed.

S&F No volt coil, 440 volt ,suitable for star delta starters up 7.5 to10 HP capacity

S&F No volt coil suitable for DOL starter up to 5 HP capacity, 440 volts.

S&F in replacement single phase preventer 3 phase, 415 volts for pumps of capacity

Supply and fix in repairs MCB TPN, capacity 40/63 Amps, 10 KA suitable for LT panel board including dismantling existing unserviceable MCB complete all as specied and directed.

Supply and fix following capacity of MCCB TPN , 415 volt,fixed in repair on existing panel board including dismantling of existing unserviceable MCCB complete all as specied and directed.

63 Amp ,25 KA

100 Amp.25 KA

Taking out defective flat PVC insulated, submersible cable,3 core, 4 Sqmm multistrand copper cable from submersible pump set including supply and providing new cable of same size & ca, jointing with jointing materials, testing and commissioning etc., complete all as specified.

Material and labour for replacement of following spares of the existing pump houses LT panel board :-

Voltmeter (square type) of size 96 x 96mm, 0-500 V, AC, 50 c/s

Ammeter CT operated of size 96 x 96 mm, 0-100 V, AC, 50 c/s

Current transformer of ratio 100 / 5 Amps, VA burden - 15, 415 volts

Current transformer of ratio 60 / 5 Amps, VA burden - 15, 415 volts

Indication lamp Red/ Yellow/ Blue with base including dismantling of unserviceable old items complete.

M/L for earthing for pole complete with galvanized steel earth plate electrode 600 X 600 X 6mm 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 1.5M below normal ground level connected to GI earth lead strip 32 X 6 mm as earth lead by means of nuts, bolts, check nuts and washer of GI steel and connecting to testing point including provision of test point and all as shown in electrical plate No. 5 of SSR Pt I (2009). The quoted rate is inclusive of necessary earth work and PCC chamber in type CI (1:2:4) with 8 mm CTD bar reinforcement both ways at 140 mm centre to centre complete all as directed

Annual Maintance contract for a Air compressor model EG90-9,415 V 50HZ, motor capacity 90 Kw ,Capacity 15.23 sqm /Min with rated pressure 8.0 Bar, Refrigerator air dryer Model No ELRD-750A working pressure 16kg/ Sq cm , capacity 750 CFM.and air tank model VA001203000L 10ASME 2062 (Make:- ELGI) (a) Check and ensure the oil level and quality of oil. (b) Check and ensure there is no air and oil leakage in the compressor package. (c) Check,clean and change the air filter (d) Check oil and oil filter at recommended intervals (e) Check and replace oil seperators element at recommended intertval. (f) Check and ensure the operation of the safety valve against the set pressure. (g) Check and ensure all the quick coupling fittings and flexible hoses are intact.

(h) Check and ensure the proper fuctioning of all valves in the compressor package and replace the service kits. (j) Check and clean the oil and after coolers interally if required. (k) Check and ensure the proper fuctioning of the auto drain valve and clean/ change as required. (l) check and ensure the proper fuctioning of all the satey switches. (m) Check and ensure the proper functioning and condition of electrical contrators. (n) Check and ensure the proper fuctioning of all safety interlocking devices. (o) Conduct diagnostic testing of the controller. (p) Check the compressor operating enviroment and recommended revalant corrective action for reliable operation of the compressor. (q) Study and recommend upgrade kits. (r) Submit the compressor Performance /Health Checks report . Note :Servicing/Repairing of Air compressor specified above shall be carried out through OEM /reputed authorised service Engineer.

supply only Oil Filter element -75(Make:- ELGI Cart Part No :-B004800770001)

supply only ELGI Air lube syn-plus oil (Make ELGI Cart Part No :-0009981024)

supply only service kit for HDKG120(Make ELGI Cart Part No :-B009401070002)

supply only Grease EMUNIREXN3(Make ELGI Cart Part No :-015404151)

supply only Service kit for VVF15 BDV No (Make ELGI Cart Part No :-B009401070003)

supply onlySolenoid valve NC,24V 50 Hz (Make ELGI Cart Part No :-B007300990004)

supply only Auto drain valve -F3 (Make ELGI Cart Part No :-B000306040013)

supply only DRIVE COUPLING INSERT UCW276(Make ELGI Cart Part No :-B005401170005)

supply only SINGLE ACTING ACTUATOR HOERBIG(Make ELGI Cart Part No :-B0115010700001)

supply only FILTER ELEMENT F5(Make ELGI Cart Part No :-B004700770029)

supply only AIR OIL SEPERATOR 90-110KW(Make ELGI Cart Part No :-B006700770023)

supply only PREFILTER 90-160KW(Make ELGI Cart Part No :-B000606160001)

Supply only THERMAL ELEMENT 80 DEG CELCIUS(Make ELGI Cart Part No :-B008706030009)

Supply only MPV WITH CHECK VALVE -MPVL65(Make ELGI Cart Part No :-B009301070003)

supply only MJ81BK(110-240VAC),GIS Make :-(Make ELGI Cart Part No :-018362741)

Supply only NON Return Valve 1/8 "(Make ELGI Cart Part No :-B004100170001)

Material and labour MS pipe 15mm to 20 mm complete.

Vishwa Enterprises (BID ID -3220031)

M/s Bakiyalakshmi Enterprises (BID ID -3210350)

NAVEEN ENTERPRIESES (BID ID -3213021)