bids are invited for provn of electric connection supply and laying xlpe insulated armoured heavy duty electric cables heavy duty with stranded aluminium conductor rating 1100 volst grade of size 50 sqmm 3 point 5 core , excavation in trenches not exceeding 1 point 5 m wide and not exceeding 1 point 5 m in depth for foundation etc or for shafts welles cesspitsm , returning filling in soil including spreading levelling watering and well ramming in layers not exceeding 25m , removing excavated material to a distance not exceeding 50m and depositing where directed at a level not exceeding , material and sand cushioning to underground cables 8 cm below the cable before layijng and 15cm above the cable after laying , supply and laying sub clas brick old size for protection lt cable complete all as specified , material and labour under road with trench less technology for road corssing by adopting trench less tunneling work total quantity : 3091