Laying of 33kv 1x630sqmm UG cable from Pallavaram 110/33/11KV ss to the proposed DP structure under Board execution Reach-I Ch 0m to 1500m

Amount

Removing the blacktopping of 30cm thickness and forming cable open trench and cable duct at road crossing 60 cm wide and 135 cm deep (Clear) including cost of using machinery providing danger lights, indication arrangements wherever necessary, leads, lifts, labour, tools and plants etc., complete.The removed Tar blacks,RCC/PCC and other debris shall be removed from site before the start of excavation of trench.

Earth work excavation in all soils including slush and slit under water requiring the aid of basket and vessels and forming cable trench and cable duct at road crossing 60 cm wide and 105 cm deep (clear) including cost of signal boards, danger light, indication arrangements wherever necessary and providing shoring and strutting arrangements wherever necessary all labour, leads, lifts, tools and plants etc., complete. The excavated earth should be placed in one side of trench preferably on foot path side , not to obstruct free flow of traffic.

Using Machine for a width of 60cm to a depth of 40 cm

Using Labour to a breadth of 60cm and a depth of 65cm

Dismantling the brickwork,PCC,RCC inside the cable trench and cable duct wherever occur of any thickness and clearing trench/duct free from debris and without hinderence to the cable laying work including lead, lift, labour, tools & plants etc., complete as per direction of Engineer- in -charge

Dismantling Brickwork in CM - 1cum

Dismantling PCC -1cum

Dismantling RCC - 1cum

Providing M.S.barricading 1.5m height using M.S. sheet 4mm thick MS angle 50x50x8 mm base channel 100x50 of all materials,leads,lifts,labour ,welding and erection ,transporting at site placing in position,shifting to new location after completing works,tools & plants etc.,complete.

Laying of 140mm dia PVC pipes.cutting and jointing the pipe,tying with 7/20SWG G.I wire inside the pipe and closing the ends with end cap including cost of PVC specials,labour,lead,lift,T&P etc, complete.140 mm dia PVC pipe supplied by the TANGEDCO (labour only)

Laying plain cement concrete 1:3:6 using 20mm HBG metal for bottom portion of trench for fixing PVC pipe in the cable duct in proper alingment and level as per std,specification including cost of all materials,labour,lead, lift etc.,complete.

Transporting of 33 KV cable drums loading at site ,and devolutionof empty 33 KV steel cable drums each weighing 1 to 1.5T from various work site (3 drums at a time) and balance cables if any to departmental stores.

Laying of 1x630 sq.mm 33KV XLPE UG cable by means of winch over rollers provided by contractor. The rate includes the cost of pulling the steel wire rope from winch side to drum side providing labour as required at site for tying the cable in trefoil formation with nylon rope/PVC pipe etc., complete

Refilling with filling sand in layers well consolidated as per standard specification including cost of all materials, labour, lead, lift etc., complete

Laying of RCC cover slab (60cmx40cmx5cm) carefully at site as directed by Engineer-in-charge cost of all materials,labour,lead,lift, etc, complete.RCC cover slab supplied by the TANGEDCO (laying only)

Refilling with excavated earth in layers and well consolidated as per standard specification including cost of all materials, labour,lead, lift etc., complete

Transporting and clearing the excess excavated earth and debris then and there immediately to avoid any hindrance to normal flow of traffic and public beyond a distance of 5km from work spot as per direction of Engineer -in -charge including loading and unloading charges etc., complete

Transporting of 33 KV empty drums loading at site, and devolution of empty 33 KV steel cable drum each weighing 1 to 1.5 T from various work site (3 drums at a time) and balance cables if any to departmental stores.

Providing watch and ward (Unskilled) at site as instructed by the site-in-charge

Bailing out of water from cable trench and duct while excavating and also while laying cable using 5HP diesel pump including cost of fuel,opeartor etc.,complete.

Providing 18 gauge aluminium strip with Nylon tie at 10m intervals for engraving voltage level,size of the cable,name of the feeder including cost of all materials,labour charges,transportation charges etc complete.(Every 10m intervals)

Casting and placing of RCC offset slab(cable route indicationn slab )of size 750x750x60mm casting in RCC 1:2:4 using 12 to 20mm HBG metal with necssary reinforcement,piling shutting,curing,transport from casting yard to various locations and fixing the slab along 33KV cable route as directed by site engineer with PCC 1:3:6 including cost of all materials,labour,lead ,lift etc., including 2 coats of flourescent painting.

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