REPAIR MAINTENANCE AND REPLACEMENT OF LT DISTRIBUTION NET WORKS INDOOR/OUTDOOR JOINTING KITS OUTDOOR HEAT SHRINK SLEEVES INCLUDING ALLIED WORKS UNDER CERTAIN DISTRIBUTION SUB STATIONS IN WECORS / ADMINISTRATIVE BLDGS AT NAVAL DOCKYARD VISAKHAPATNAM

Amount

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

All as per item No.1.00 above, but in hard /dense soil

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

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

Material & labour for dry sand cushioning for under ground cable provided with layer and sand 8 cm deep before laying the cable and 15cm after laying the cable complete all as specified and as directed. Note : Punned depth only shall be measured as per SSR provisions.

Material and labour for bricks sub class B old size in cable protection 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.

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 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 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 compete all as specified and directed.,

Supply, laying and connecting up through surface/wall/duct cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 100 volts grade with stranded aluminium conductor of size 400 sqmm 3.5 core including taking down unserviceable cable complete all as specified and directed.

All as per item no 10 above but Size of 240 sqmm 3.5 core.

All as per item no 10 above but Size of 185 sqmm 3.5 core.

All as per item no 10 above but Size of 95 sqmm 3.5 core.

Taking down old unserviceable galvanised iron pipe and supply & 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 14 above but 100 mm bore

Material and labour for heat shrinkable straight through joint for 1100 Volts grade aluminum conductor cables of size 3 1/2 / 4 core 16-35 sq mm after crimpling ferrules, testing and commissioning complete all as specified and directed. Make : REPL / 3M

All as per item No. 16.00 above but 3 1/2 / 4 core 50-95 sq mm

All as per item No. 16.00 above but 3 1/2 / 4 core 120-185 sq mm

All as per item No. 16.00 above but 3 1/2 / 4 core 225-300 sq mm

All as per item No. 16.00 above but 3 1/2 / 4 core 400-500 sq mm Note for item Nos. 16 to 20 : Excavation and earth work wherever required shall be deemed to be included in the unit rate quoted.

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.

Supply and fix and connecting by manual changeover switch sheet steel enclosure version conforms to IEC 60947-3 of capacity 630 Amps four pole complete all as specified and as directed. Make : L&T Cat part No. C046300OSOO / Havells / Indo Asian

Supply and fix and connecting by manual changeover switch sheet steel enclosure version conforms to IEC 60947-3 of capacity 400 Amps four pole complete all as specified and as directed. Make : L&T Cat part No. C044300OSOO / Havells / Indo Asian

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 /schneider/Indo Asian)

All as per item No. 22.00 above but capacity of 1250 Amps. (Make- L&T Cat No MDO SL96042 /Schneider/Indo Asian)

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

Supply, install, test and commissioning MCCB with fixed thermal maganetic relase for 415 V, 50 Hz AC supply of 250 Amp, 4 pole ,25 KA rated capacity by taking out old unserviceable MCCB's complete all as specified and directed. Make : Indo Asian /L&T/ABB

Taking down old unserviceable battery charger from the battery bank, supply, fix and testing new DC battery charger of capacity 200 AH, 110 volts, 30 Amps FCBD with DCBD suitable for 110V, 200 AH, (VRLA) batteryd all as specified and directed

Disconnecting and taking down old damaged lead acid batteries from various sub-stations and supplay & fix new maintenance free (VALA) 24 volts, 200AH batteris united/fixed together with copper strips by series connection to make a battry bank of 110 V with initial charging and commissioning complete all as specikfied and directed (make Amara Raja) Note :- Unit rate quoted shall be deemed to be included for providing necessary battery connection links and contro wiring from charger to HT panels.

Supply and fix flood light fitting LED 150 watt including dismantling taking down unserviceable one complete all as specified and directed. Make : CG, Model-LSTP-150-CDL-M /Havells/ Bajaj/Philips/Wipro

Supply and fix flood light fitting LED 200 watt including dismantling taking down unserviceable one complete all as specified and directed, Make : Bajaj, model No BARFEG 200W LED / Havells /Philips/Wipro/CG

Supply and fix flood light fitting LED 250 watt including dismantling taking down unserviceable one complete all as specified and directed. Make : CG, model No LSFO-250-CDL-M / Havells/ Bajaj/Philips/Wipro/CG

Servicing, repair, maintenance of Air circuit breaker 400 Amps to 1600 Amps capacity by drawing out movable unit, forced air cleaning of movable and fixed unit, decarbonize breker congtracts and checking for any defects due to any flush/ loose contact, cleaning of all fixed and moving contact point, terminal connection points with CTC, replacement of defective parts and re-fixing ACB, cables completes all as specified and directed. Note: (a) Required male/female ACB contacts, trip coils, closing coils, electronic protection unit will be measured as supply only. (b) All cleaning agents are included in the quoted rate

Supply only fixed contact of ACB 630A to 150A

Supply only moving contact of ACB 630A to 150A

Supply only electronic protection unit of ACB 630A to 1250A

Supply only shunt trip coil ACB 630A to 1250A

Supply only closing coil ACB 630A to 1250A

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

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