REPAIR/ MAINTENANCE / RENEWAL / REPLACEMENT OF DAMAGED CABLE, CABLE SUPPORT IRON STRUCTURE, REALIGNMENT OF CABLE AND OTHER ALLIED WORKS AT CDS-I SUB STATIONS AND CERTAIN OTHER LOCATION OF NAVAL DOCKYARD VISAKHAPATNAM M UNDER GE (I) DM VISAKHAPATNAM

Amount

Excavation in trenches n.exc 1.5 m wide and not exc 1.5 M deep for taking out / laying cable and getting out in soft / loose soil complete all as specified and directed.

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

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

Supply and lay approved quality sand underneath and all around the underground cable in trenches for cable cushioning complete all as specified and directed. [Note : Punned thickness only will be measured for the purpose of payment].

Material and labour for bricks sub class 'B' old size in cable protection complete all as specified and directed.

Material and labour for filling the road / hard standings cut for laying cable with PCC 1:2:4, type B2, using 40 mm graded stone aggregate and finishing the surface even and smooth without using extra cement all as specified and directed.

Material and labour for jointing the heat shrinkable straight through joint for 1100 Volts grade aluminum conductor cables for the following sizes after crimpling ferrules, testing and commissioning complete all as specified and directed. :- [Make : REPL / 3M]

3 1/2 / 4 core x 16-35 sq mm

3 1/2 / 4 core x 50-95 sq mm

3 1/2 / 4 core x 120-185 sq mm

3 1/2 / 4 core x 240-300 sq mm

3 1/2 / 4 core x 400-500 sq mm [Note : Excavation and earth work whereever required shall be deemed to be included in the unit rate quoted].

Taking down old and supply, laying and connecting up through surface/wall/duct cble XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 100 volts grade with straded aluminium conductor os size 400 sqmm 3.5 core all as specified and directed.

All as per item No. 8.00 above but size of 240 sqmm x 3.5 core.

All as per item No. 8.00 above but size of 185 sqmm x 3.5 core.

All as per item No. 8.00 above but size of 95 sqmm x 3.5 core.

Taking down old unserviceable galvanised iron pipe and supply and lay new GI pipe of size 80 mm bore light grade for cable protection in road crossing complete all as specified and directed.

All as per Item No 12.00 above but 100 mm bore

M&L for filling the road/hard standing cut for laying cable with PCC 1:2:4, type B2, using 40 mm graded stone aggregate and finishing the surface even and smooth without using extra cement complete all as specified and directed.

Taking down unserviceable/burnt cable end termination by isolating power supply from transformer/LT panel disconnecting burnt/faulty cable from the bunch of cables in trenches/duct, removing cable loop and material and labour for making Re-rout, cable termination of 3 1/2 core armoured aluminium conductor cable of size 95 sqmm to 150 sqmm, 1100 volts with suitable size of cable glands, aluminium lugs duly crimpled and insulated with insulation tape (in different colours) duly replaced the rusted nuts, bolts and washers of nickel chromium plated with new ones and applying petroleum jelly, testing and commissioning all as specified and directed.,

Taking down unserviceable/burnt cable end termination by isolating power supply from transformer / LT panel disconnecting burnt/faulty cable from the bunch of cables in trenches/duct, removing cable loop and material and labour for making cable termination, Re-rout of 3 1/2 core armoured aluminium conductor cable of size 240 sqmm to 500 sqmm, 1100 volts with suitable size of cable glands, aluminium lugs duly crimpled and insulated with insulation tape (in different colours) duly replaced the rusted nuts, bolts and washers of nickel chromium plated with new ones and applying petroleum jelly, testing and commissioning all as specified and directed.,

M&L for dismantling taking out cables 25 sqmm to 35 sqmm from trench, including making straight through joints at damaged portion and relaying to trench complete all as specified and directed. [Note: Earth work, sand & Brick protection shall be measured and paid separately. Heat shrink straight through cable joints inclusive of quoted rate ]

M&L for dismantling taking out cables 70 sqmm to 150 sqmm from trench, making straight through joints at damaged portion and relaying to trench complete all as specified and directed. [Note: Earth work, sand & Brick protection shall be measured and paid separately. Heat shrink straight through cable joints inclusive of quoted rate]

M&L for dismantling taking out cables 185 sqmm to 400 sqmm from trench, making straight through joints at damaged portion and relaying to trench complete all as specified and directed. [Note: Earth work, sand & Brick protection shall be measured and paid separately. Heat shrink straight through cable joints inclusive of quoted rate ]

Supply, install, test and commissioning MCCB with fixed thermal maganetic relase for 415 V, 50 Hz AC supply of 400 Amp, 4 pole 36 KA rated capacity by taking out old unserviceable MCCB's complete all as specified and directed. [Make : Indo Asian /L&T/ABB]

All as per item No 20.00 above but of capacity 250 Amps, breaking capacity 36 KA

All as per item No 20.00 above but of capacity 200 Amps, breaking capacity 36 KA

All as per item No 20.00 above but of capacity 125 Amps, breaking capacity 16 KA

All as per item No 20.00 above but of capacity 100 Amps, breaking capacity 16 KA

All as per item No 20.00 above but of capacity 160 Amps, breaking capacity 25 KA

All as per item No 20.00 above but of capacity 63 Amps, breaking capacity 25 KA

Supply and fix Air circuit Breaker (ACB) 4 pole 415 volt, with thermal magnetic release mannual draout type of capacity 1600 Amps 50, KA all as specified and directed [Make : L&T Cat No MDO SL96044 or equivalent to schneider/Indo Asian]

All as per item No. 27.00 above but capacity of 1250 Amps. [Make- L&T Cat No MDO SL96042 or equivalent to schneider/Indo Asian]

Dismantaling/taking out cable any size/grade from trenches for finding of fault/rerouting and relaying complete with sand and brick protection to the original trench or diverted trench complete all as specified and directed [Note :- Excavation & earth work, bricks/GI pipe for cable, cable protection and sand cushioning shall be measured and paid for separately].

Dismantling taking out unserviceable MS cable support from wall / surface of gallery any type by removing nuts & bolts / cutting braces complete all as specified and directed

Dismantling taking out LT / HT cable from cable rack/floor at gallery of sub station for repair/re[placement of wornout steel cable rack or for realingnmetn of cable and refixing the cables with proper staking with proper alingnment of cable and refixing the cables with proper on repaired/existing rack and making feeder wise bundle of cable using PVC cable tie for sizes of cable 3.0 core 95 sqmm to 185 sqmm 11000 volt grade complete all as specified and directed. [Note : Each cable shall be measured separately. Steel cable rack shall be measured separately as supply and fix all as specified and directed]

All as per item No.31.00 above but for cable sizes 240 sqmm

All as per item No. 31.00 above but for cable sizes 300 sqmm

All as per item No. 31.00 above but for cable sizes 400 sqmm

Supply & Fix of cable rack made with structural steel section of ISA 75X75X8MM (FE-290, Gde E 165) pre-welded inside sub station, gallery, on wall , placing in position and fixing to wall with fastener steel klbolt not less than 20 mm dia, including painting with one coat of red oxide and two coat of black bituminous paint all as specified and directed. [Note : Cable rack drawing shall be obntained from Engr-in-charge]

Supply & Fix of cable rack made with structural steel section of ISMB 150X50X6MM (FE-290, Gde E 165) pre-welded inside sub station, gallery, on wall , placing in position and fixing to wall with fastener steel klbolt not less than 20 mm dia, including painting with one coat of red oxide and two coat of black bituminous paint all as specified and directed. [Note : Cable rack drawing shall be obntained from Engr-in-charge]

S&F Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 150 sqmm to 185 sqmm after opening VCB panel back side cable cover and bottom cable entry plate after disconneting unsv cable kit from busbar/CT, taking out from VCB cable chamber and fixing the same to original position, with new or old nuts, bolts & washers, bottom plate, back cover and making cable entry point totally sealed with putty complete all as specified and directed.

All as per item No. 37.00 above but for (indoor termination) cable of size 240sqmm to 300 sqmm including dismantling / taking down unserviceable one complete all as specified and directed.

All as per item No. 37.00 above but for (indoor termination) cable of size 400 sqmm including dismantling / taking down unserviceable one complete all as specified and directed.

Supply and laying in duct or passing through pipe XLPE insulated, screened, PVC bedded, galvanised steel strip armoured, overall PVC sheathed electric power cables (heavy duty) with aluminium conductor, 11000 volts grade (Earthed) cross sectional area 185 sq. mm 3 core including dismantling / taking down unserviceable one complete all as specified and directed.

All as per item No. 40.00 above but of size 240 sq. mm x 3 core including dismantling / taking down unserviceable one one complete all as specified and directed.

All as per item No. 40.00 above but of size 300 sq. mm x 3 core incl dismentling / taking down unserviceable one one complete all as specified and directed.

All as per item No. 40.00 above but of size 400 sq. mm x 3 core including dismantling / taking down unserviceable one one complete all as specified and directed.

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