CA NO GE(U)/CHM-54/2024-25 REPAIR AND MAINT OF LT SUPPLY NETWORK INCLUDING CABLES AND PANELS FOR OTM AREA UNDER GE (U) CHANDIMANDIR

Amount

Excavation in trenches for foundations, laying / taking out of cables, erecting of poles etc, in any type of soil, not exceeding 1.5 mtr in depth and not exceeding 1.5 mtr in width and getting out, complete all as specified and as directed.

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

Removing excavated soils to a distance not exceeding 50 metres and depositing where directed at a level not exceeding 1.50 metre above the starting point complete all as specified and as directed.

Surface dressing not exceeding 15cm deep including cleaning away all grass vegetation, sapling, shrubs, brushwood, undergrowth, roots and removing rubbish upto a distance of 50 Metres outside the periphery of the area complete all as specified and directed by Engineer - in - Charge.

Supply and laying as in replacement 50mm outer dia, double walled, corrugated HDPE duct pipe conforming to IS- 14930 Pt-II with antirodent and non flame propogating properties of approved colour complete with fittings for cable protection complete all as specified and as directed.

Supply and laying as in replacement 100mm outer dia, double walled, corrugated HDPE duct pipe conforming to IS- 14930 Pt-II with antirodent and non flame propogating properties of approved colour complete with fittings for cable protection complete all as specified and as directed.

M&L Cement concrete 1:2:4 type B-1 using 20mm graded crushed stone aggregate for foundations, mass and for repairing to paths/ road & hardstanding etc. including necessary cutting of roads/ paths for passing of pipes and making good the disturbed portion complete all as specified and directed by Engineer – in - Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 400 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 300 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 240 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 185 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 150 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 120 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 95 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 70 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 50 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 35 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge.

M&L as in replacement of Power Cables, Aluminium Stranded Conductor 25 sqmm, 4 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098 (Part 1) complete laid in trenches / floors / ducts/ fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion including taking down old unserviceable cable complete all as specified and directed by Engineer-in-Charge. Note for item 09 to 18 above: (i) Excavation, earth work and provision of cable covers / protection pipe etc shall be measured and paid separately under relevant items of BOQ.

Supply and laying as in replacement 50 mm bore tube "light grade" galvanised iron pipe laid in trenches or fixed along poles with mild steel clamps or protection to GI earth strip/cable, complete all as specified and directed by Engr-in- Charge.

Supply and laying as in replacement 80 mm bore tube "light grade" galvanised iron pipe laid in trenches or fixed along poles with mild steel clamps or protection to GI earth strip/cable, complete all as specified and directed by Engr-in- Charge.

M&L for earthing complete with galvanized iron earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level connecting to GI strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel and earth wire protected by 50mm dia GI pipe medium grade and connected to pole structure/ panel board/earthing test point all as shown in electrical plate No. 3 of SSR Part-I(2009) and testing on completion complete all as specified and directed. Note :- The unit rate quoted shall also include for excavation, earth work in any type of soil, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix type B1 cover reinforced with 8mm dia TMT bras @ 150mm C/C both ways, GI funnel with watering pipe, wire mesh, protection pipe, earth strip up to 7.50m long complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub heading earthing, specified in SSR Part II

Earthing complete with copper plate 60x60cm x3.15mm thick electrode, burried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of the plate not less than 1.5mtr below normal ground level, connected to and including 20x3mm copper strip as earthing lead by means of GI bolts, nuts, check nuts and washers and connected other end to main board duly protected by GI pipe 40mm dia, earth plate surrounded by packed layer of coal dust and common salt 15cm thick all around bottom and top watering pipe 20mm bore of GI medium grade with funnel all as shown in electrical plate No. 5 of SSR Part – I and connecting to earthing test point, main switch board and testing on completion including CI cover, frame and PCC 1:3:6 type C-2 using 20mm graded stone aggregate as in earthing pit with CI cover and frame including necessary earth works etc, all as specified and directed by Engineer - in – Charge. Note:- 1. PCC chamber shall be constructed at least 1.5 mtr away from the earth electrode of the earth pit and pipe for watering shall be provided in slanting manner.

M & L as in replacement Galvanised iron strip 32 x 6mm buried in ground all as specified and directed by Engineer - in - Charge .

S&F in replacement of MCCB 630 A, 4 pole, 50 KA (Ics =100% Icu) with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

S&F in replacement of MCCB 500 A ,4 pole ,50 KA (Ics =100% Icu) with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

S&F in replacement of MCCB 400 A ,4 pole ,36 KA (Ics =100% Icu) with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

S&F in replacement of MCCB 315/350 A ,4 pole ,36 KA (Ics =100% Icu) with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

S&F in replacement of MCCB 250 A ,4 pole ,36 KA (Ics =100% Icu) with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

S&F in replacement of MCCB 200 A ,4 pole ,36 KA (Ics =100% Icu) with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

S&F in replacement of MCCB 160 A ,4 pole ,36 KA (Ics =100% Icu) with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

Taking down old unserviceable ACB any type and Supply, installation testing and commissioning new LT ACB of 800 Amps four pole mannual draw out with microprocessor based release having LCD display, 415 Volts, 50 Hz, 50 KA suitable for existing location alongwith replacement of burnt aluminum bus bar with connected nut bolts and lugs with new aluminum bus bar /nut bolts/lugs complete all as specified and directed by Engr-in-charge

Taking down old unserviceable ACB any type and Supply, installation testing and commissioning new LT ACB of 1000 Amps four pole mannual draw out with microprocessor based release having LCD display, 415 Volts, 50 Hz, 50 KA suitable for existing location alongwith replacement of burnt aluminum bus bar with connected nut bolts and lugs with new aluminum bus bar /nut bolts/lugs complete all as specified and directed by Engr-in-charge

S&F as in replacement change over switch ON LOAD type, 415 volt, 50 Hz, AC 4 pole in sheet steel enclosures, capacity 400 Amps rated current manually operated confirming to IS : 13947 or lates edition with hight thermal and dynamic strength to with stand short circuit current level of 80 KA rms complete all as specified and directed by Engr-in-Charge.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 400 sqmm to 500 sqmm and testing after jointing complete all as specified and directed.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 240 sqmm to 300 sqmm and testing after jointing complete all as specified and directed.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 150 sqmm to 185 sqmm and testing after jointing complete all as specified and directed.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 70 sqmm to 120 sqmm and testing after jointing complete all as specified and directed.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 25 sqmm to 50 sqmm and testing after jointing complete all as specified and directed.

Design, fabricate, supply, installation, testing and commissioning in replacement of outdoor type dust proof & vermin proof cubical panel board compartmentalized with seperate bus and cable alley chambers suitable for 3 phase, 4 wire, 415 Volts, 50 Hz, AC supply system as per latest IS / IEC standards & regulations, factory fabricated in an approved factory (Manufacturer possessing CPRI test report for equivalent ratings) having modern fabrication facilities, made out of CRCA sheet steel of 3mm thick for outer shell and 2mm thick for inner shell with front and rear openable double leaf doors with two point locking arrangement i.e. locking system with handle up & down arrangement & pad-locking facility. Complete panel board shall be applied with powder coating painting of approved shade duly pretreated with seven tank process and suitable packing material for IP-54 degree of protection and including provision of 50mmx50mmx6mm angle iron base frame and four legs of suitable size for mounting the panel board with a minimum ground clearance of 450mm above GL to the bottom of panel including PCC foundation with PCC 1:2:4, type B1 using 20mm graded stone aggregate.

Detachable gland plates including double compression stainless steel cable glands of suitable size shall be provided for all incoming and outgoing cables. Steel plate Danger Notice Boards(02 Nos) LT 415/440 Volts, and manufacturer's name plate shall be riveted on external doors of feeder pillar box. The size of panel board shall not be less than 1300mm x 1300mm x 450mm (outer dimensions) for accommodating and including provision of following switchgear, control gear and accessories including internal wiring using copper flexibles and lugs of suitable grade/capacity including taking down old unserviceable LT Panel complete all as specified and directed:-

(b) MCCB, 250 A, 3 Pole, 36 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal & magnetic release - 01 No (c) MCCB, 200 A, 3 Pole, 36 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal & magnetic release - 02 Nos (d) MCCB, 160 A, 3 Pole, 25 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal & magnetic release - 02 Nos

Note: (i) Factory made name plates with feeder names / Bldg Nos shall be fixed on relevant incomer / outgoing MCCB doors. (ii) The Contractor shall submit set of all drawings of the L.T. Pillar Boxes and its components in duplicate and get the same approved from GE before commencement of production. The contractor shall furnish all details and clarifications required if any for scrutiny and evaluation. Manufacture of material to be supplied shall be done strictly as per approved drawing. However, approval of drawing shall not absolve the contractor/supplier of his liability for ensuring correctness according to applicable standards & regulations. Make:- As specified in list of makes as given in Appx 'B' of PS for Group - I of LT Panels

Design, Fabricate, supply, installation and testing in replacement of outdoor type cubical panel board bus bar box with MCCB suitable for 3 phase 4 wire, 50 Hz supply system factory fabricated made out of CRCA sheet steel of 3mm thick for outer shell and 2mm thick for inner shell with front openable door with locking arrangement complete with powder coat painting and suitable packing material for IP-54 degree of protection and including provision of 40mmx40mmx5mm angle iron base frame of suitable size for mounting the panel board at a height of 450mm above GL and grouted in PCC foundation. The size of panel board shall not be less than 500mm x 500mm x 300mm (outer dimensions) accommodating and provision of following switchgears complete and including taking down of old unserviceble panel:- (i) TPN Aluminium bus bar 400 Amps 4 strips provided with heat shrinkable coloured PVC sleeve insulation mounted on insulators suitable for connecting 2 or 3 outgoing cables including provision of suitable glands. (ii) MCCB, 250 A, 4 Pole, 36 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal - magnetic release - 01 No. Make:- As specified in list of makes as given in Appx 'B' of PS for Group - II of LT Panels

Design, supplying, installing, testing and commissioning in replacement of 100 KVAR Automatic Power factor Corrector (APFC) Panel of approx. size of 1800 X1100 X500mm factory made, cubical compartmentalized for each stage, outdoor type, IP 54 degree Protection, dust, vermin and weather proof, made out of CRCA MS Sheet of 3.15mm thickness, front openable with locking arrangement, fixed on 50x50x6mm angle iron base frame and 4 legs structure having 40cm ground clearance, duly grouted in P:C:C (1:2:4) complete panel powder coated with seven tank process from inside and outside, duly prewired with suitable size FRLS PVC insulated multistranded copper conductor wire for capacitor stages, metering & control accessories, earthing straps for connecting earth strips, cable entry from bottom including taking down old unserviceable APFC Panel and comprising the following:-

(a) Bus Bar system- Aluminium bus bars of size 30X10mm for phases and 30 x 5mm for neutral duly provided with colour coded heat shrinkable PVC sleeves. (b) Incomer – MCCB 125 Amp, 4 pole, 36 KA, ICS= 100% ICU, with adjustable thermal magnetic setting alongwith spreader terminals and rotary handle -01 No. (c) MCB, TP 63 Amp, D Series, 415 volts-01 No (d) MCB, TP 40 Amp, D Series, 415 volts-02 Nos (e) MCB, TP 20 Amp, D Series, 415 Volts-01 No. (f) MPP Capacitor, resin filled, heavy duty type for 3 phase 440 Volts & 50 HZ system of 50 KVAR capacity-01 No (g) MPP Capacitor, resin filled, heavy duty type for 3 phase 440 volt & 50HZ system of 25 KVAR capacity-01No.

R D Bansal (BID ID -3241781)

Vasudeva Trading Co. (BID ID -3241670)

M/S BALWINDER SINGH (BID ID -3241324)

KHAJURIA ENGINEERS (BID ID -3247589)

Bharat Enterprises (BID ID -3241004)