Tamil Nadu Generation And Distribution Corporation Limited Tender

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.

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.