bids are invited for connection , supply and fixing 415v 10ka b curve miniature circuit breaker mcb of tpn fp 40 to 100 amp , supply and fixing of ms metal clad top plug with having two to three pin adaptor , supply and fixing for sub main wiring system with having two run of pvc insulated single core multistranded , all as per item no 8 above but 6.00 sqmm , excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth , returning filling in layers including leveling watering and well ramming in layers not exc. 25 cm thick , removing surplus soil to a distance not exc. 50m and depositing where directed at a level n. exc. 1.5m , material and labour for sand cushioning with a layer of sand 80 mm thick before laying of cable and 15 cm thick , supply and laying old size sub class b bricks laid flat in trenches over the cable with the length of brick perpendicular to the direction , material and labour for galvanised iron tubes 50 mm bore light grade for protection of cable , ditto gi tubing but size of 50mm bore , supply laying and testing cable xlpe insulated screened pvc bedded galvanized steel strip or wire armoured electric power , supply and installation commissioning and testing of polycarbonate asta cpri approved oem made lt panel. , sheet metal enclosure for db s spn 12 way 240 v double door complete all as specified. , m and l for quarty time switch 240 v base din mounting 50 hz 110 to 240 v , m and l for power contactor 32 amp 240v 3 pole complete all as specified. total quantity : 1620