REPAIR AND REPLACEMENT OF LT PANELS, SWITCH GEAR, CONTROL CIRCUIT, ASSOCIATED CABLES AND OTHER RELATED WORKS IN THE HQ A N COMMAND CERTAIN OTHER AREA HADDO, PORT BLAIR

Amount

S&F dual power automatic transfer switch 1000 Amps, 415V AC, 4 Pole fixed in the existing panel as per existing make and model (Rated Limit Short-circuit Current: 70 kA, Rated Short-time Withstand Current: 26 kA, change-over Time: 1.2s) including connecting up with suitable control wiring and testing complete all as specified and as directed by Engineer in charge including disconnecting & taking down existing unserviceable switchgear. [Make: L&T or equivalent in Schneider/ ABB/ Legrand]

M&L for preparation of old painted surfaces of LT panels by cleaning/ rubbing with coarse cloth/ wire brushes to remove dust deposits, oil, grease and repainting by applying one spray coat of synthetic enamel paint without disturbing/ damaging the electrical net work system/ equipment including marking of details of capacity/ rating/ incoming/ outgoing in capital English alphabets of required size of letter with suitable coulor and Danger notice plate with radium stickering in RED coulor complete all as specified and as directed by Engineer in charge.

M&L for fabrication/repair of LT panel door covers made out MS Sheet 3mm thick necessary folding jointing as suitable at site with existing panel board indoor/outdoor including necessary welding, hinges and supports including painting with two coats of synthetic enamel spray paint over a coat of redoxide primer complete all as specified and as directed. Note : Transport charges for electric/gas welding machine from workshop to site and back shall be included in the rate quoted.

Decarbonizing / cleaning complete LT panel boards/ pillar boxes of 415 / 380 / 230 Volts, 3 phase bus bar chamber with electrical connections complete, after removing the complete bus bar from the bus bar chamber, cleaning with CTC and ensure proper decarbonizing including new bakelite of adaquate size where ever required re-fixing the same after applying Becktrol (Red) solution to the spout, checking all the connections, tightening the nuts, bolts, thimbles for incoming and outgoing system complete including renewal of defective/ rusted bolts, nuts, insulators etc. complete all as specified and as directed by Engineer in charge.

S&F in repairs LED Indication Lamps 22.5mm dia R, Y, B 240 Volts DC/AC Neon type complete all as specified and as directed by Engineer in charge. [Make: Kaycee/ Teknik/ L&T/ Vaishnov/ AE/Binay]

Excavation in trenches not exc 1.5 M deep and 1.5 M width and getting out in soft or loose soil for foundation of poles (or) cable laying complete all as specified and directed.

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

Removing/excavated soil to a distance not exc 50 M and depositing where directed at a level not exc 1.5 M above the starting point all as specified and directed.

Supply, laying, testing and commissioning of LT XLPE insulated, sheathed, armoured heavy duty electric aluminium conductor cable 1100 Volts grade of size 2 core x 6 sq.mm. (laid in trenches, ducts, pole, wall etc.) including taking out old unserviceable LT cable from trenches/pole/ducts etc. complete all as specified and as as directed by engineer in charge. Note: (i) Necessary test results like continuity test, megger tests, shall be submitted to Engineer-in-Charge before the cable is laid. (ii) Excavation earth work will be measured and paid separately.

All as per Item No.10 herein before but cable of size 2 core x 10sq.mm

All as per Item No.10 herein before but cable of size 4 core x 16sq.mm

All as per Item No.10 herein before but cable of size 3½ core x 25sq.mm

All as per Item No.10 herein before but cable of size 3½ core x 35sq.mm

All as per Item No.10 herein before but cable of size 3½ core x 50sq.mm

All as per Item No.10 herein before but cable of size 3½ core x 70sq.mm

All as per Item No.10 herein before but cable of size 3½ core x 95sq.mm

All as per Item No. 10 herein before but cable of size 3½ core x 120sq.mm

All as per Item No. 10 herein before but cable of size 3½ core x 300sq.mm

M & L for GI earth strip of size 32 x 6 mm laying in trench, fix to pole with necessary clamp and nut, bolt etc including taking out of unsv earth strip complete all as directed.

Taking down the corroded/detrioted GI pipe from the trench crossings/obstructions for cable protection, supply & lay GI Pipe 100 mm medium grade all as specified & directed Make: Oswal/Jindal/TATA

Taking out old unserviceable volt meter 0 to 500 Volts replacement of the same with new Digital Volt meter of same capacity suitable for existing panel board complete all as directed by Engineer-in-Charge. Make: L&T/Schneider

Taking out old unserviceable ammeter 0 to 2500 Amps from panel board and replacement of the same with new Digital Ammeter of same size and capacity complete all as directed by Engineer-in-Charge. Make: L&T/Schneider

Taking down/removal of old burnt/damaged LT cable end termination and supply and making new LT 1100 volts termination with suitable size of lugs duly crimped for LT 3 1/2 core armoured aluminium conductor cable after isolating supply to transformer/LT pillar box/LT panel and disconnecting burnt/faulty cable from the bunch of cable gland and connecting back with new nuts, bolts and washers of nickel chromium with petroleum jelly after end termination testing and commissioning for the 3 1/2 core 95 Sqmm to 500 Sqmm cable all as specified and directed.

Supply and laying HDPE DWC pipe of size 120mm (OD) x 103mm (ID) along with connected accessories like couplers, bends, end caps etc. for LT/ HT cable protection complete all as specified and as directed by engineer in charge. [Make: Rex Poly Extrusion Ltd/ Tirupati Plastomatics Pvt Ltd.]

Supply and laying HDPE DWC pipe of size 77mm (OD) x 63mm (ID) along with connected accessories like couplers, bends, end caps etc. for LT/ HT cable protection complete all as specified and as directed by engineer in charge. [Make: Rex Poly Extrusion Ltd/ Tirupati Plastomatics Pvt Ltd.]

M&L Earthing complete with galvanised steel earth plate electrode 600x600x6mm thick,40mm bore medium grade (steel pipe) buried directly in ground (earth pit not less than 2.25m deep below GL) with top edge of the plate not less than 1.5m below normal GI, connected to galvanised earth strip 32 x 6 mm by means of bolts nuts check nuts and washers of galvanised iron or steel all as shown in electrical plate No.5 connected to earthing test point all as specified or indicated including testing on completion. Note : Rate shall be deemed to be inclusive of necessary excavation and earth work in any type of soil, removal of surplus soil to a distance not exceeding 50 M RCC covers slab and PCC chamber etc.

Supply and Fixing vertically on walls/buildings and horizontally on floors /roof tops/ ceiling by suspending Hot Dip galvanised iron perforated of cable trays with cover , coupler plates necessry fastners/ nuts and bolts made of GI 14 SWG 2.0mm of width 250 mm and height 50mm complete and securing of existing cables on cable trays complete as specified and directed. Make : Manibhanadra Electricals Pvt Ltd./ equivalent makes from reputed OEM as approved by Engineer-in-Charge.

All as per item no.29 aboveitem but of width 100mm

S&F MCCB 4 Pole, 63 Amps, 25kA, 415 volts, 50 Hz adjustable over load 80-100%, with thermal magnetic release Ics=100%Icu, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable MCCBs from LT panels / feeder pillar boxes complete all as specified and as directed by Engineer in charge. [Cat No. CM91712OOJOOG of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 4 Pole, 100-125 Amps, 25kA, 415 volts, 50 Hz adjustable over load 80-100%, with thermal magnetic release Ics=100%Icu, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable MCCBs from LT panels / feeder pillar boxes complete all as specified and as directed by Engineer in charge. [Cat No. CM90642OOLO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 4 Pole, 160-200 Amps, 25kA, 415 volts, 50 Hz adjustable over load 80-100%, with thermal magnetic release Ics=100%Icu, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable MCCBs from LT panels / feeder pillar boxes complete all as specified and as directed by Engineer in charge. [Cat No. CM90642OONO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 4 Pole, 200-250 Amps, 36 kA, 415 volts, 50 Hz adjustable over load 80-100%, with thermal magnetic release Ics=100%Icu, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable MCCBs from LT panels / feeder pillar boxes complete all as specified and as directed by Engineer in charge. [Cat No. CM92109OOP1OG of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 4 Pole, 250-320 Amps, 36 kA, 415 volts, 50 Hz adjustable over load 80-100%, with thermal magnetic release Ics=100%Icu, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable MCCBs from LT panels / feeder pillar boxes complete all as specified and as directed by Engineer in charge. [Cat No. CM98403OOQOOG of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 4 Pole, 400 Amps, 36 kA, 415 volts, 50 Hz adjustable over load 80-100%, with thermal magnetic release Ics=100%Icu, suitable for induction loads, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable MCCBs from LT panels / feeder pillar boxes complete all as specified and as directed by Engineer in charge. [Cat No. CM98403OOROOG of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 3 Pole, 630 Amps, 50 kA, 415 volts, 50 Hz adjustable over load 80-100%, with thermal magnetic release Ics=100%Icu, suitable for induction loads, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable MCCBs from LT panels / feeder pillar boxes complete all as specified and as directed by Engineer in charge. [Cat No. CM94104OOT1OG of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F changeover switch 250 Amps, 415V, AC 23A, 4 Pole, open execution type fixed in the existing panel including connecting up complete all as specified and as directed by Engineer in charge including disconnecting & taking down existing unserviceable switchgear. [Cat No. CO32500OOOO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F changeover switch 400 Amps, 415V, AC 23A, 4 Pole, open execution type fixed in the existing panel including connecting up complete all as specified and as directed by Engineer in charge including disconnecting & taking down existing unserviceable switchgear [Cat No. CO44000OOOO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F automatic transfer controllers suitable for motorised changeover switch 1000-2000 Amps, 415V, 4 Pole of any type fixed in the existing panel including connecting up with suitable control wiring and testing complete all as specified and as directed by Engineer in charge including disconnecting & taking down existing unserviceable switchgear. [Cat No. ATC2000OOOO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F changeover switch 100 Amps, 415V, AC 23A, 4 Pole, with sheet steel enclosure of suitable size including connecting up complete all as specified and as directed by Engineer in charge including disconnecting & taking down existing unserviceable switchgear. [Cat No. CO11000OSOO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F changeover switch 250 Amps, 415V, AC 23A, 4 Pole, with sheet steel enclosure of suitable size including connecting up complete all as specified and as directed by Engineer in charge including disconnecting & taking down existing unserviceable switchgear. [Cat No. CO32500OSOO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F changeover switch 400 Amps, 415V, AC 23A, 4 Pole, with sheet steel enclosure of suitable size including connecting up complete all as specified and as directed by Engineer in charge including disconnecting & taking down existing unserviceable switchgear. [Cat No.CO44000OSOO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

M&L for mild steel framed brackets of angles, tees, plates, heavy duty hinges for welding of cope boxes/LT Panel boards with web and flanges cut to shape, drilled and countersunk for screw including bending with necessary welding works for angles/hinges if necessary, gusset plates, riveting, brackets including of painting with two coats of synthetic enamel spray paint over a coat of redoxide primer including dismantling existing brackets complete all as specified and as directed by Engineer in charge.

Disconnecting and taking out existing old unserviceable copper bus bar of any size or shape and supply and fix new copper bus bar of suitable size and capacity to suit the existing requirement with proper insulators for mounting including reconnecting the electric cables complete all as specified and as directed by Engineer in charge.

Disconnecting and taking out existing old unserviceable aluminium bus bar of any size or shape and supply and fix new aluminium bus bar of suitable size and capacity to suit the existing requirement with proper insulators for mounting including reconnecting the electric cables complete all as specified and as directed by Engineer in charge.

Supply and fixing coloured sleeves of different colour and size for busbar of any size and type including removing old sleeve all as specified and directed by Engineer-in-Charge.

Supply and fixing of control circuit wiring of size two runs of 2.5sqmm wire upto 6.0 meters fixed in LT Panels,DG sets and any type of measuring equipments as per site requirements all as specified and directed by Engineer-in-Charge.

S & F Sub main wiring with PVC insulated cable 2 runs of 4 sq mm, 1100 V grade with stranded copper conductor on and incl rigid PVC casing/capping on wall / roof/ceiling (ISI marked) incl all specials like joint elbow, Tee ,junction , bend etc and provision of PVC insulated copper conductor single core 4 sq mm for earth continuity all as directed.

All as per Item No.50 herein before but cable of size 4 runs of 6sq.mm and 2 runs of 6Sqmm.

M&L for PCC 1:2:4 type B1 (using 20mm graded stone aggregate) as in coping of pole including use & waste of necessary form work including weathering, slightly rounded or chamfered angles and throating, complete all as specified and as as directed by engineer in charge.

Cutting the existing road surface/PCC/ foot path (approx 50cm x 30cm) for laying of HT/LT cables including excavation of trenches, refurming filling, removal of soil in any type of soil, including making good for disturbed surfaces with PCC 1:2:4 type B1 using 20mm graded stone aggregate, use & waste of necessary form work including watering complete al as specified and directed.

S&F heat shrinkable sleeves suitable for 240Sqmm to 500Sqmm LT UG cable, 415V grade including disconnecting LT UG cable from Transformer/LT Panel/Feeder Pillar Box/Cope boxes and re-connection after completion complete all as specified and directed.

S&F in repairs, spreader terminals made up of copper conductor suitable for 100 to 250Amps MCCB including connecting up complete all as specified and as directed by Engineer in charge. Make: L&T/ Schneider/ ABB/ Legrand

S&F in repairs, spreader terminals made up of copper conductor suitable for 315 to 630Amps MCCB including connecting up complete all as specified and as directed by Engineer in charge. Make: L&T/ Schneider/ ABB/ Legrand

SKV Engineering (BID ID -3038625)

CHANDER SEKER ENTERPRISE (BID ID -3038125)

ss enterprises (BID ID -3038526)

M/s Ramesh Lal (BID ID -3037738)

Bismi Builders & Enterprises (BID ID -3037778)

M/s Kamal Electrical (BID ID -3038784)