PREVENTIVE MAINTENANCE OF E/M INFRASTRUCTURE AND LT DISTRIBUTION NETWORK, SWITCHGEAR, CIRCUIT BREAKER AND CONNECTED WORK IN TECH AREA AT AF STN BAMRAULI

Amount

Cutting/pruning of tree branches along /around over head LT line at places within a radius of 2 mtr from fasted conductor and removing from site complete all as specified and directed

Trimming/cutting of tree /removal of bushes/removal of vegetation growth/cutting trunk portion protruding over ground, digging out roots arround 2 mtr radius of LT panel and removal from site all as directed Note : This job may be repeated after three month at the same location.

Dismantling & taking out LT burnt cable ends of any size from transformer/LT panel/LT feeder pillar/ street light pole box/trenches any type/size, for repair/making suitable for reconnection to cable, providing lugs to burnt end of cables, preparing fresh terminals and reconnection, fixing the removed portion of cable with transformer/in trenches/along pole/ panel/feeder pillar box, including excavation of loop & refilling complete using old bricks and sand returning filling the excavated soil complete all as specified and directed.

Checking, identifying the defect /faulty point of LT/HT cable using Cable fault locator machine or by manual excavation and taking out bricks from the trench upto fault point along cable route and re-laying the same using old bricks/sand incl returning filling and making good surface after rectification of defect complete all as directed for the following length of cable :

0 - 350 mtr Note- (i) Cable fault locator machine with all T&P required for identifying the faulty point will be arrange by contractor and the cost is included in unit rate for finding of fault using machine or by manualy

M&L for dismanteling of of old damaged /cracked PCC coping and prepare the new coping for steel/PCC pole using PCC 1:3:6 type D-2 with 20 mm graded stone aggregate making collar above ground level on existing foundation of pole size 450x450x300 mm high and plastering with1:4 cement sand mixter for smooth look incl curing to achieve the strength and breaking/removing existing old damaged coping complete all as specified and directed .

Repair of earth pit incl required excavation ,earth work and PCC work to make good damaged /disturbed surfaces of earth pit chamber & making new pit cover of RCC 1:2:4 type B1 using 20 mm graded stone aggregate reinforced and lifting handle on RCC cover with 8 mm bars at 150 mm centre to centre both ways incl supply & fixing of wire mess and funnel including re-connection of earth wire/strip with panel/transformer using GI nut, bolts washer complete all as specified and directed

Dismantling & taking out defective LT PVC/XLPE cable from trenches with cutting and removing defective parts and supply & making cable joint using straight through joint cold shrink type and making connection of LT cables, meggering & re-storation of electric supply complete including jointing material for the following sizes of cable Joint.

25 sqmm 3.5 core to 50 sqmm, 3.5 core

70 sqmm 3.5 core to 95 sqmm, 3.5 core

120 sqmm 3.5 core to 185 sqmm, 3.5 core

240 sqmm 3.5 core

300 sqmm 3.5 core

M & L for spray painting over a coat of red oxide on old/existing outdoor/indoor LT panel/feeder piller box any size/type with powder coated paint using light grey paint in outerside area of complete panel after cleaning and preparing surface incl writting of panel No & Danger sign complete all as specified & directed

Dismantling & taking out old steel tubular pole 9/11 mtr long carefully from foundation for re-use, shifting and re-fixing/re-erecting at other location within AF area complete including following (a) Excavation in post hole not exceeding 1.5 Mtr wide & 2 Mtr deep for pole foundation & getting out in soft loose soil, returning, filling in the excavated soil after fixing the pole in foundation, ramming earth around in layers n.exc 25 cm thick and disposal of surplus soil to a distance n.exc 50 metres. (b) M&L for Providing PCC 1:4:8, type D2 ( using 40 mm graded stone aggregate) in foundation 600mm x 600mm x 1500 mm (planting depth) for concrete encasing the pole upto GL all as specified and directed. (c) M&L for Providing PCC 1:3:6, type C2 (using 20 mm graded stone aggregate) for plinth block /Collar above GL, 300 mm high and 450x450 mm size. (d) M&L for Painting of pole externally with one coats of black bituminous paint (upto planting depth) and above plinth block/ concrete collar with two coats of aluminium paint over a coat of red oxide primer including preparation of surfaces including painting of 30 cm wide black bands 3 Nos with synthetic enamel paint in alternate layers upto the height of 1.5 Mtr above plinth block.

Supply, fixing & testing of LT distribution panel board made out of 2 mm thick MS sheet of size not less than 600x450x200mm duly painted with two coats of synthetic enamelled paint over one coat of red oxide primer wall mounted/semi-grouted in wall with locking arrangement, double door type, compartmentalised and provision for tapping incoming & outgoing electric connections with suitable size of lugs, glands, one MCCB will be mounted on proper din railes and comprising of the followings :- (a) Aluminium busbar chamber TPN of 200 Amp rating (set of 4 strips) (b) Phase indication lamp-set of 3 (c) MCCB 4 pole 415 Volts, 50 Hz, 100 Amp rating, 25 KA breaking capacity with adjustable magnetic setting with adjustable magnetic setting with adjustable magnetic setting - 01 No.(Incomming ) (d) MCB TPN 63 A -2 No and MCB SPN 32 A -3Nos as out going control

S&F (in replacement) following items in the existing out door/ indoor LT panels and connection with using aluminum lugs/ferruls incl disconnection & connection of cable and making necessary alteration in panel/door using welding wk and cutting as required for proper fixing & connection complete all as specified and directed as below :- (Note :-Make of MCCB/MCB : Schneider/L&T/ABB)

MCCB 4 Pole 100 Amp rating, 16 KA breaking capacity with adjustable magnetic setting, 415 Volt

MCCB 4pole 125 Amp rating, 16 KA breaking capacity with adjustable magnetic setting with spreader at both side

MCCB 4 pole150/160 Amp rating, 25 KA breaking capacity with adjustable magnetic setting with spreader at both side

MCCB 4 pole200 Amp rating, 25 KA breaking capacity with adjustable magnetic setting with adjustable magnetic setting with spreader at both side

MCCB 4 pole250 Amp rating, 36 KA breaking capacity with adjustable magnetic setting with spreader at both side

Microprocessor based MCCB 4pole 250 Amp rating, 36 KA breaking capacity with adjustable magnetic setting with spreader at both side

Microprocessor based MCCB 400 Amp rating, 36 KA breaking capacity with spreader at both side

CTs of existing ratio and capacity fixed in LT panels and connect with ammeter

Indicator lamp, LED type incl 1.5 sqmm wire for connection to desired point of bus bar.

MCB TPN 40 Amp to 100 Amp, 10 KA 'C' series, 415 volt

MCB SP 06 Amp to 32 Amp, 10 KA 'C' series, 240 volt,

MCB SPN 40 Amp to 63 Amp, 10 KA, 'C' series, 415 volt

M & L for busbar chamber box of 1.6 mm sheet with tinned plated 04 Nos copper bars of following bus bar and following box size, factory made, suitable for pole/wall mounted including all connections with aluminum strips/lugs, glands to be provided at cable entries, powder coated paint complete for the following rating:-

Bus bar of rating 100 Amp

Bus bar of rating 200 Amp

Disconnecting & dismantling of damaged/unsv cable any type /make and Supply & laying (in repair) cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor using lugs bothe end of cable& wrapping pvc tape over XLPE insulation cable and testing complete all as directed for following size :- (Note :- Excavation & earth work, sand cushioning, bricks protection & GI pipe where required shall be measured & paid seperately)

25 Sqmm 4 core

35 Sqmm 3.5 core

50 Sqmm 3.5 core

70 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

185 Sqmm 3.5 core

240 Sqmm 3.5 core

300 Sqmm 3.5 core

Excavation in trenches not exc 1.5 Mtr wide and n.exc 1.5 mtr in depth, getting out for electric cable complete in any type of soil complete

Removing surplus excavated soil to a distance n.exc 50 mtr and depositing where directed at a level n. exc 1.5 mtr above starting point

Returning, filling in, soil obtained from excavation including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete

Supply and laying sub class 'B' bricks laid dry and flat across the length of cable for protection of cable complete all as specified and directed.

M & L for sand cushioning with Ganga Sand to underground cable (8 cm thick before laying and 15 cm thick after laying the cable complete

M&L (in replacement) for GI tubing 'light grade' with all necessary fittings laid in trenches/under road crossing/fixed on pole/wall/under floor including suitable mild steel FI clamps of required size complete for following sizes :-

50 mm bore

80 mm bore

M&L for boring under road horizontely of size 50/80 mm bore of GI pipe for passing of cable in road in hard/soft/ loose soil complete all as specified and directed.

S&F suitable size of sheet metal enclosure for MCCB 4 pole, 415 volts, connection by using aluminum lugs and making arrangement to fix on wall or on PCC (1:2 :4) Block complete for the following capacity/rating:-

63 Amp rating, 36 KA breaking capacity with adjustable magnetic setting with both side spreader for cable connection

100 Amp rating, 36 KA breaking capacity with adjustable magnetic setting with both side spreader for cable connection

Repairing/overhauling of existing Outdoor type LT panel board/feeder pillar box of any size/type fixed on PCC block incl cleaning with compressed air, tightening of all electric connection to the bus bar & switch gears , refixing of loosed doors with proper fixing & locking arrangement & necessary welding work as required and replacement of wornout/ burnt/rusted/ loose lugs , door lock, nut bolt, hing, washers,internal wiring with suitable size (minimum 1.5 sqmm) of PVC copper conductor wire ,repair to PCC work as require at site and including disconnection of all cable from the bus bar and insulating the necked portion of Al/Cu conductor and re-connect the same after repair of panel and proper connection of main earth wire/lead with panel body using lugs complete all as specified and directed.

Repairing/overhauling of existing indoor type LT panel board/bus bar / V-TPN DBs of any size/type fixed on building wall incl cleaning with compressed air, tightening of all electric connection to the bus bar & switch gears , refixing of loosed doors with proper fixing & locking arrangement & necessary welding work as required and replacement of wornout/ burnt/rusted/ loose lugs , door lock, nut bolt,hing, washers,internal wiring with suitable size (minimum 1.5 sqmm) of PVC copper conductor wire ,repair to plaster work as require at site and including disconnection of all cable/ sub main from the bus bar and insulating the necked portion of Al/Cu conductor and re-connect the same after repair of panel and proper connection of main earth wire/lead with panel body using lugs complete all as specified and directed.

S&F in replacement of Aluminum Lugs of following size

10 Amp to 25 Amp

35 Amp to 70 Amp

95 Amp to 120 Amp

150 Amp to 185 Amp

240 Amp to 300 Amp

400 Amp to 630 Amp

Supply & fixing PVC insulation tape of width - 18 mm, thickness - 0.125 mm in length of 25 mtr, ISI marked for proper insulation of joints in wire where as required or directed

M& L for preparing door of existing LT panel / feeder pillar box with locking arrangement & gasketed made of CRCA sheet 2 mm thick including hing & welding work complete all as specified and directed.

M & L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick directly buried in ground (earth pit not less than 2.25 m deep below ground level) with top edge of earth plate not less than 1.5m below the ground level connected to GI earth wire 4mm dia by means of bolts nuts check nuts and washers of galvanised iron at 2 points & GI pipe 15 mm bore light grade for protection of earthing wire PCC chamber 1:3:6 (type C-1) using 20mm graded stone aggregate, watering pipe 20mm bore light grade, funnel with wire mesh, 50 mm thick cover of RCC 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 8 mm MS bars at 150 mm centre to centre both ways and charcoal dust and common salt all as shown in electrical plate No. 3 of MES SSR part-I and including excavation & earth work & connecting the earthing point/equipment and testing complete

Description all as per item No. 27 above but with GI strip 32 x 6mm as earthing lead (earth strip will be protected by using 40mm bore GI pipe 'light grade') complete all as specified and directed.

Description all as per item No. 27 above but using 600x600x3.15 mm copper plate including 20x3 mm earthing lead (earth strip will be protected by using 40mm bore GI pipe 'light grade) complete all as specified and directed.

Supply, fixing ( in replacement ), connecting to electrical system & testing of LT Panel, cubical types, for out door use, made out of 3.15 mm thick CRCA sheet factory made, totally enclosed of size not less than 1200x900x500mm & supported with 4 Nos MS Angle legs , duly painted with two coats of powder coated paint over one coat of red oxide primer effectively PVC gaket &sealed and mounted on PCC blocks double door type with locking arragnedment with handle at front and openable at front &back bothe side with required hinges heavy duty, compartemtalised suitably including provision for tapping incoming & outgoing electric connections with suitable size of aluminium lugs glands and comprising of the following accessories :- (a) High conductivity aluminium busbar (Set of 4 strips), 4 Nos TPN of 800 Amp rating (RYB) for phase and 1 No for neutral mounted on DMC support with heat shrink sleeve-1 Set. , (b) Phase indication lamp, LED type(set of 3) (c) MCCB 4 Pole 400 Amp 415 volt ,36 KA breaking capacity with adjustable magnetic setting as incomer (d) Grouting of panel including earth work as required PCC (1:3:6) type D-2 using 20 mm gradeded stone & plastering with (1:4 )cement sand etc complete (e) MCCB 4 Pole 250 Amp 415 volt ,36 KA breaking capacity with adjustable magnetic setting with spreader bothe side, as outgoing cotrol device : 02 Nos. (f) MCCB 4 pole 100 Amp 415 volt rating & breaking capacity 25 KA with spreader at bothe side. : 4 Nos

Supply, fixing (in replacement ) connecting to electrical system & testing of Busbar panel board ,cubical type for out door use, made out of 3.15 mm thick CRCA sheet factory made, totally enclosed of size not less that 900x600x500mm and supported with 4 Nos MS Angle legs , duly painted with two coats of powder coated paint over one coat of red oxide primer effectively PVC gaket and sealed mounted on PCC blocks double door type with locking arragnedment with handle at front and openable at front &back both side with required hinges heavy duty, compartemtalised suitably including provision for tapping incoming & outgoing electric connections with suitable size of aluminium lugs glands and comprising of the following accessories :- (a) High conductivity aluminium busbar (Set of 4 strips), 4 Nos TPN of 300 Amp rating (RYB) for phase and 1 No for neutral mounted on DMC support with heat shrink sleeve-1 Set. (b) Phase indication lamp, LED type set of 3 -1 Set (c) Ammeter analog type having measuring range (0-300) Amp with CTs etc including rotary switch to measure load of each phase : L&T/Seimens (d) Volt meter having measuring range (0-500) volt with rotary switch to measure voltage of phase R.Y.B make : L&T/AE (e) Grouting of panel including earth work as required PCC (1:3:6) type D-2 using 20 mm gradeded stone & plastering with (1:4 )cement sand etc complete

S&F (in replacement ) MCB DB SPN 2 way double door type , comprising of one MCB SPN 16 Amp 'B' series 415 volt incl fixing of DB on pole/ wall with suitable arrangement for the garden light incl making wall surface smooth as existing using plastering and white wash complete all as specified and directed.

M&L for checking all connections and Mechanism, cleaning, servicing, overhauling, testing complete and repair for at automatic power factor correction panel (APFC) upto 250 KVAR by taking out 4mv heavy duty capacitor banks of existing rating/Size/Steppings 3 Phase 415 suitable for having losses not less than 0.5 w/KVAR with discharge registors. Including Replacement of minor/major parts if required for smooth functioning complete all as specified & directed by Engi-in-charge. NOTE:- (i) Cost of major/minor parts required for replacement shall be measured and paid separately as supply only under relevent item of this schedule/BOQ from SI No-1.10 to SI No -1.14. (ii) All the instruments and T&P required for the above jobs shall be arranged by the contractor at site and cost of the deemed to be included in the above rates. (iii) The all above checking, inspection, installation & testing work shall be performed by authrised manufacturer or expert electrical engineer of company.

Supply only capacitor 5 KVAR capacity Make : L&T/Schneider electric or from list of makes as approved by GE.

Supply only capacitor 7.5 KVAR capacity Make : L&T/Schneider electric/or from list of makes as approved by GE.

Supply only capacitor 10 KVAR capacity Make : L&T/Schneider electric/or from list of makes as approved by GE..

Supply only capacitor 12.5 KVAR capacity Make : L&T/Schneider electric/or from list of makes as approved by GE.

Supply only capacitor 15 KVAR capacity Make : L&T/Schneider electric/or from list of makes as approved by GE.

Supply only capacitor 20 KVAR capacity Make : L&T/Schneider electric/or from list of makes as approved by GE.

Supply only capacitor 25 KVAR capacity Make : L&T/Schneider electric/or from list of makes as approved by GE.

Supply only capacitor 50 KVAR capacity Make : L&T/Schneider electric/or from list of makes as approved by GE.

Supply only contactor having current lighting resistors suitable for capacitor Switching off variable KVAR correctiong of specification as approved.

Supply only Varlogic APFC Relays of exhisting size/capacity.

S&F in replacement of Contactor any type of following size. (Make- L&T or equivalent as approved) in existing panel/ location and connection incl necessary alteration in panel/ door as required for proper fixing & connection complete all as specified and directed.

S&F in replacement of DIN type HRC fuse link of following size

100 Amp to 125 Amp

160 Amp to 200 Amp

250 Amp to 315 Amp

400 Amp to 630 Amp

Note :- Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items. The same shall be recovered from various payment to contractor before handing over old material

A S ENTERPRISES (BID ID -3076126)

M/S AM ENTERPRISES (BID ID -3079006)

Ambrish Builders (BID ID -3068403)

SUNNY ELECTRONICS CORPORTAION (BID ID -3068933)

SUNSHINE BUILERS (BID ID -3069091)

Krishna Enterprises (BID ID -3068948)

Titco Electricals (BID ID -3065958)

Abhinav Builders (BID ID -3068881)