Laying of 33KV 1x630 sq.mm XLPE UG cable from Anna Centenary 110 KVSS to Rajbhavan 33 KVSS Reach.II Ch.2000 to 4103 m Route length 2.103 KM

Removing the black topping 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 machinary providing danger lights, indication arrangements wherever necessary labour, lead, lift, tools and plants etc., complete. The removed Tar blacks, RCC/PCC and other debris shall be removed from site before the start of excavaion of trench.

Earth work excavation in all soils to a depth from 31cm to 135cm including slush and silt under water requiring the aid of basket and vessels and forming cable trench and cable duct including cost of signal boards, danger lights, indication arrangements wherever necessary and providing shoring and strutting arrangements wherever necessary all labour, lead, lift, 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.

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

Dismantling BW in CM

Dismantling PCC

Dismantling RCC

Drilling, Reaming & Laying of 33 KV, 1x630sq.mm UG cable using 160/200 mm dia HDPE pipe wherever necessary by Trenhcless Technology Method at a depth of about 1.50 meters or more by using directional drilling unit equipped with automated pipe handing system (Horizontal Directional Drilling Machine). Using bentonite mud mixing system and all necessary accessories using pulling the cable carefully without damaging other service like telephone, internet cables, water pipes etc., installation including cost of pipe, hire charges for all the accessories and equipment etc.,Taking the necessary drive pit for drilling & laying the cable, remove the excavated earth. The rate quoted for including the charge of GPR (Ground Penetrating radar) survey for identify the existing utility in the proposed bore path and cost of making entry pit & exit pit for every 250m minimum intervals including Test/Drive/Exit/Joint pit, soil excavation, Drilling/Plotting, Fluid process including cost of HDPE pipe, mud, Engineer consultaion, pre-reaming and laying of cable, etc., complete.

Providing M.S.barricade, 1.5m height using M.S.sheet 4mm thick, M.S.angle 50x50x8mm, Base channel 100x50 including cost of all materials, lead, lift, labour and erection, shifting to a new location after completing the works, Tools & Plants etc., complete.

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

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

Transporting of 33kv cable drums including cost of loading at stores,unloading of 33 KV cable drums each weighingapproximately 7T in lorries using truck mounted crane for both loading and unloading including cost of labour required, etc.,(3 drums at a time)

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/etc., complete.

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

Supply and laying RCC cover slab (60cmx50cmx5cm) including cost of slab, stencilling and laying carefully as directed by the Engineer including cost of all materials,labour, leads, lifts, etc., complete.

Refilling with excavated earth in layers and well consolidated as per std. 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 hinderence to the normal flow of traffic and public beyond a distance of 5km from the work spot as per the direction of Engineer - in - charge including loading and unloading etc., complete.

Transporting of 33 KV empty drums loading at site, and devolution of empty 33KV steel cable drum each weighing 1 to 1.5T from various work site (2drums at a time) and balance cables if any to departmental stores

Providing watch and ward (unskilled) at site as instructed by the Engineer in charge at site.

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

Providing 18 gauge alumininum 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 & placing of RCC offset slab (cable route indication slab)of size 750x750x60 mm casting in RCC 1:2:4 using 12 to 20 mm HBG metal with necessary reinforcement, piling, shuttering, curing, transport from casting yard to various locations & fixing the slab along 33KV cable route as directed by site Engineer at site with PCC 1:3:6 including cost of all materials, labour, lead, lift etc including 2 coats of flourescent painting. (TANTRANSCO Rate)

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