Repairs And Maintenance Of Lt Panelsfeeder Pillar Boxes And Connected Items At Masimpur Military Station Under Ge Silchar- 1 Excavation in trenchesnot exceeding 1.5m wide and not exceeding 1.5m in depth for foundations, manholes, etc. or for laying cables/pipes, erecting poles, etc. not exceeding 10sqm on plan and getting out in soft / loose soil complete all as specified and as directed 2 Returning, filling in, including, spreading, leveling, watering and well ramming in layers not exceeding 25cm deep as in any type of soil complete all as specified and as directed 3 Removing excavated materialsto a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point in any type of soil including spreading in low lying area and leveling complete all as specified and as directed 4 Supplying and laying unreinforced precast concrete cable covers, class LV, type I, flat, size 250x150x40mm (length parallel to axis of cover), ISI marked, duly embossed with wordings LT CABLE complete all as specified and as directed 5 M&L for fine dry river sand cushioning by laying 8cm thick layer below the cable for making soft bed and 15cm above the cable and then punning down to its consolidated thickness of 18cm after the cable is laid all as specified in SSR Part-I complete all as specified and as directedNote: Only punned thickness of sand shall be considered for measurement purposes 6 Supplying, fixing / laying steel water tubing, light grade, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for protection of electric clables including taking out and disposing off old damaged tubing by cutting into road, culvert, hard standing, etc. and making good the disturbed areas in PCC 1:2:4 type C-1 (using 20mm graded stone aggregates) complete all as specified and as directed of the following sizes:Note: PCC will be measured and paid under respective item herein 7 100mm 8 80mm 9 50mm 10 Supply, laying, jointing, connecting and testing XLPE insulated PVC sheathed cable 1100V grade, screwed PVC bedded, armoured electric power cable, heavy duty multi-stranded aluminium conductor laid in trenches / fixed on walls/poles, passing through pipes, etc. including connecting up to DBs, etc. with required lugs, end terminal / cable glands including taking out/down old unserviceable cable and disposing off complete all as specified and as directed of the following sizes: Note: Excavation and earthwork will be measured and paid separately under respective item herein 11 3.5 core 300sqmm 12 3.5 core 185sqmm 13 3.5 core 120sqmm 14 3.5 core 95sqmm 15 3.5 core 70sqmm 16 3.5 core 50sqmm 17 4 core 16sqmm 18 M&L for cable jointing kit for 1100V grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 2/4 core 10 to 16mm², XLPE insulated armoured aluminium conductor cable including taking out and disposing off old joint complete all as specified and as directed 19 M&L for cable jointing kit for 1100V grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 3.5/4 core 25 to 50mm², XLPE insulated armoured aluminium conductor cable including taking out and disposing off old joint complete all as specified and as directed 20 M&L for cable jointing kit for 1100V grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 3.5/4core 70 to 120mm², XLPE insulated armoured aluminium conductor cable including taking out and disposing off old joint complete all as specified and as directed 21 M&L for cable jointing kit for 1100V grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 3.5/4 core 150 to 185mm², XLPE insulated armoured aluminium conductor cable including taking out and disposing off old joint complete all as specified and as directed 22 M&L for cable jointing kit for 1100V grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 3.5/4 core 240 to 300mm², XLPE insulated armoured aluminium conductor cable including taking out and disposing off old joint complete all as specified and as directed 23 S&F in repairs MCCB 63A 4 Pole, 415V, AC, Ics=100%Icu, 80 to 100% overload protection, adjustable type, with thermal magnetic release mechanism, breaking capacity 25kA including all necessary lugs, wire, etc. required for connecting up complete all as specified and as directed 24 S&F in repairs MCCB 125A 4 Pole, 415V, AC, Ics=100%Icu, 80 to 100% overload protection, adjustable type, with thermal magnetic release mechanism, breaking capacity 25kA including all necessary lugs, wire, etc. required for connecting up complete all as specified and as directed 25 S&F in repairs MCCB 200A 4 Pole, 415V, AC, Ics=100%Icu, 80 to 100% overload protection, adjustable type, with thermal magnetic release mechanism, breaking capacity 26kA including all necessary lugs, wire, etc. required for connecting up complete all as specified and as directed 26 S&F in repairs MCCB 200A 3 Pole, 415V, AC, Ics=100%Icu, 80 to 100% overload protection, adjustable type, with thermal magnetic release mechanism, breaking capacity 26kA including all necessary lugs, wire, etc. required for connecting up complete all as specified and as directed 27 S&F in repairs MCCB 250A 4 Pole, 415V, AC, Ics=100%Icu, 80 to 100% overload protection, adjustable type, with thermal magnetic release mechanism, breaking capacity 35/36kA including all necessary lugs, wire, etc. required for connecting up complete all as specified and as directed 28 S&F in repairs MCCB 250A 3 Pole, 415V, AC, Ics=100%Icu, 80 to 100% overload protection, adjustable type, with thermal magnetic release mechanism, breaking capacity 35/36kA including all necessary lugs, wire, etc. required for connecting up complete all as specified and as directed 29 S&F in repairs MCCB 400A 4 Pole, 415V, AC, Ics=100%Icu, 80 to 100% overload protection, adjustable type, with thermal magnetic release mechanism, breaking capacity 50kA including all necessary lugs, wire, etc. required for connecting up complete all as specified and as directed 30 S&F in repairs copper lugs suitable for conductor cables including all necessary nuts, bolts, washers, etc. complete all as specified and as directed for the following sizes of cables: 31 2.5sqmm 32 6sqmm 33 16sqmm 34 25sqmm 35 35sqmm 36 S&F in repairs 3Ph LED ammeter CI 1 digital type, with 96x96mm flush mounted case, accuracy class 1.0, inbuilt selector switch for 3 phase meters, input voltage measurement range 50 to 520VAC, VAC (P-P), aux supply 80 to 300VAC, including all necessary fixing arrangements, wiring, etc. complete all as specified and as directed 37 S&F in repairs 3Ph LED voltmeter CI 1 digital type, with 96x96mm flush mounted case, accuracy class 1.0, inbuilt selector switch for 3 phase meters, input voltage measurement range 50 to 520VAC, VAC (P-P), aux supply 80 to 300VAC, including all necessary fixing arrangements, wiring, etc. complete all as specified and as directed 38 S&F in repairs resin cast wound/ring type CT 400A/5A class 1.0, 433V, suitable for LT panels including all necessary fixing arrangements, wiring, etc. complete all as specified and as directed 39 S&F in repairs rotating phase selector switch for voltmeter / ammeter of existing type and as required at site including all necessary fixing arrangements, wiring, etc. complete all as specified and as directed 40 S&F in repairs spreader terminal suitable upto 400A connections including all necessary fixing arrangements, nuts, bolts, washers, wiring, etc. complete all as specified and as directed 41 S&F 1100V grade heavy duty PVC insulated copper conductor cable, flat/circular, served with inner sheathing of PVC tape and over all PVC sheathed in service connection including taking down old unserviceable wire and disposing off complete all as specified and as directed of the following sizes: 42 1 core 2.5sqmm 43 2 core 6sqmm 44 2 core 16sqmm 45 2 core 25sqmm 46 1 core 35sqmm 47 M&L for shutting down service supply and taking down feeder pillars / panels and scrapping out old paint from both internal & external body surfaces by scrubbing with emery paper, preparation of surfaces including dubbing of holes, rusts, etc. and applying two coats of synthetic enamel paint (of approved tint) over two coats of anti-corrosive primer applied entirely with suitable spray gun and writing panel number of size 75x75mm in synthetic enamel paint and refixing / reconnecting up in old / new location / position complete all as specified and as directed 48 M&L for shutting down service supply and scrapping out old paint from both internal & external body surfaces of feeder pillars / panels in position, by scrubbing with emery paper, preparation of surfaces including dubbing of holes, rusts, etc. and applying two coats of synthetic enamel paint (of approved tint) over two coats of anti-corrosive primer applied entirely with suitable spray gun and writing panel number of size 75x75mm in synthetic enamel paint complete all as specified and as directed 49 S&F LT panel door mild steel hinges, of existing type and size, including all necessary cutting, welding, brazing, etc. as required complete all as specified and as directed 50 Supply, installation, testing and commissioning, LT feeder pillar box/panel, CPRI approved, factory fabricated, outdoor type of size as per relevant IS, platform mounted, dust, weather and vermin proof, IP54 protection class, fabricated out of 3.15mm thick CRCA MS sheet and 50x50x5mm thick angle iron frame work, powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside, front opening type, with aprons for cable entry, with double door shutter and suitable locking arrangement, internal wiring with 2.5sqmm PVC insulated, stranded copper conductor cable, IS-694 marked and internal connection from MCCBs, MCBs and TPN aluminium bus bar and extension links of rating not less than 1.5 times the rated capacity of the respective MCCBs, TPN bus bar and extension links duly insulated with colour code heat shrinkable sleeves and shall be mounted on epoxy regin insulator to contactor not less than 10sqmm single core copper cable stranded copper conductor cable, IS-694 marked including and housing the following switchgears and components including dismantling and disposing off old unserviceable panel complete all as specified, as directed and as detailed hereinunder: 51 Notes for item No. 50:(a) The Contractor shall submit drawings from the approved OEM for approval of the GE through the Engineer-in-charge(b) The feeder pillar/panel shall include 2Nos. danger notice plates made of 1.6mm thick mild steel sheet, vitreous enamelled white, of size 250x200mm with letter, figures and conventional skull bones in signal red colour duly fixed with nuts, bolts and washers, etc. with voltage and danger indicated both in Hindi and English(c) The feeder shall include electrolyitc aluminium bus bars as stipulated PVC coloured sleeves mounted on hygroscopic insulators duly colour coded and earth bar in 40x5mm GI strip and complete wiring including flush mounting rated CTs of size 96x96mm(d) Excavation, earthwork in any type of soil, construction of PCC foundation for panel shall be deemed included in quoted rate. Foundation specifics shall be as per OEM of panel. The Contractor shall submit foundation desgn drawings to attain approal of he GE(e) Foundation bed shall be in PCC 1:3:6 type C2 using 40mm graded stone aggregates with a depth of 15cm below ground level and 1.5m above ground level with stare and slot openings for I/C and O/G cables 52 item No. 50 contd. Panel with aluminium busbar 300A TPN and the following:Incoming(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 250A, 36kA Ics=100%Icu- 01No (c) Digital voltmeter (0-500V) with selector switch- 01No(d) Digital ammeter (0-400A) including CT (ratio 400/5) and selector switch- 01No(e) LED lamps for phase indication R-Y-B with controlling fuses - 01 set (set of three)Outgoing Through bus bar 53 item No. 50 contd. Panel with with aluminium busbar 600A TPN and the following:Incoming(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 400A, 36kA Ics=100%Icu- 01NoOutgoing(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 250A, 25kA Ics=100%Icu- 01No(b) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 160A, 25kA Ics=100%Icu- 02Nos(c) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 100A, 25kA Ics=100%Icu- 02Nos(d) Digital voltmeter (0-500V) with selector switch- 01No(e) Digital ammeter (0-400A) including CT (ratio 400/5) and selector switch- 01No(f) LED lamps for phase indication R-Y-B- 01 set (set of three) 54 item No. 50 contd. Panel with with aluminium busbar 500A TPN and the following:Incoming(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 320A, 36kA Ics=100%Icu- 01NoOutgoing(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 160A, 36kA Ics=100%Icu- 03Nos(b) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 100A, 25kA Ics=100%Icu- 02Nos(c) Digital voltmeter (0-500V) with selector switch- 01No(d) Digital ammeter (0-400A) including CT (ratio 400/5) and selector switch- 01No(e) LED lamps for phase indication R-Y-B- 01 set (set of three) 55 item No. 50 contd. Panel with with aluminium busbar 300A TPN and the following:Incoming(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 250A, 36kA Ics=100%Icu- 01NoOutgoing(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 100A, 25kA Ics=100%Icu- 04Nos(c) Digital voltmeter (0-500V) with selector switch- 01No(d) Digital ammeter (0-400A) including CT (ratio 400/5) and selector switch- 01No(e) LED lamps for phase indication R-Y-B- 01 set (set of three) 56 item No. 50 contd. Panel with with aluminium busbar 300A TPN and the following:Incoming(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 250A, 36kA Ics=100%Icu- 01NoOutgoing(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 100A, 25kA Ics=100%Icu- 02Nos(b) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 63A, 16kA Ics=100%Icu- 02Nos(c) Change over switch onload type 250A- 01No.(d) Digital voltmeter (0-500V) with selector switch- 01No(e) Digital ammeter (0-400A) including CT (ratio 400/5) and selector switch- 01No(f) LED lamps for phase indication R-Y-B- 01 set (set of three) 57 item No. 50 contd. Panel with with aluminium busbar 600A TPN and the following:Incoming(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 400A, 36kA Ics=100%Icu- 01NoOutgoing(a) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 250A, 36kA Ics=100%Icu- 02Nos(b) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 160A, 25kA Ics=100%Icu- 01No(c) MCCB 4 pole, thermal magnetic release with adjustable type overload & short circuit protection, 415V AC grade, 100A, 25kA Ics=100%Icu- 01No(d) Digital voltmeter (0-500V) with selector switch- 01No(e) Digital ammeter (0-400A) including CT (ratio 400/5) and selector switch- 01No(f) LED lamps for phase indication R-Y-B- 01 set (set of three) 58 M&L for earthing using GI earthing strip with galvanised steel earth plate electode 600x600x6mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including GI strip of size 32x6mm extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (medium grade), earth lead protection pipe 50mm medium grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications, taking down and disposing off old earthing complete all as specified and as directed 59 Notes for serial item No. 58: (i) The cost of GI earth continuity wire / strip with GI pipe 20mm medium grade upto 7.5m is deemed to be included(ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item(iii) Earthing shall produce desired earth resistance values as directed by the Engineer-in-charge
