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| 1 | Cleaning the columns, walls, beams inside the cell, thoroughly scrapping with necessary steel strips, brooms, wire brush etc., washing and cleaning with water jet including providing safety helmets, safety belt, necessary scaffolding arrangements as directed by the Engineer at site, including all labour charges, cost of scaffolding arrangements, charges towards safety appliances, charges towards pumping & water jet arrangements, cost of all T&P‘s, cost of scrapping tools, all lead & lift etc., complete. |
| 2 | Cleaning the inside wall surface of stack at an average height of 15 m from ground level including providing hanging scaffolding arrangements or any other alternate safe and suitable scaffolding arrangements as approved by Engineer at site and supplying the labour with necessary safety appliances like safety belt, helmet, face mask etc., cleaning the surface with water jet, including cost of all materials, all lead, lift, charges for scaffolding arrangements, cost of scrapping tools, charges towards safety appliances and watering arrangements, all lead, lift etc., complete. |
| 3 | Cleaning the accumulated silt and algae deposit in the drift eliminators with wire brush, steel strips, brooms etc., without damaging the drift eliminators, cleaning with water jet including providing necessary scaffolding arrangements & platform for standing and stacking the drift eliminators including the cost of all labour charges, cost of scaffolding arrangement, charges towards safety appliances, cost of scrapping tools, charges towards pumping and water jet arrangements, all lead, lift etc., complete |
| 4 | Cleaning the columns, beams, louvers, fill bars on the outside of the cell thoroughly scrapping with necessary steel strips, brooms, wire brush etc including providing safety helmets, safety belt, necessary scaffolding arrangements as directed by the Engineer at site, including all labour charges, cost of scaffolding arrangements, charges towards safety appliances, cost of all T & P‘s, cost of scrapping tools, all lead & lift etc., complete. |
| 5 | Dewatering of Cold water basins using pumps of required capacities including Hire charges for pump sets, transporting charges of pump set, cost of all required accessories and installing the pump set at site for dewatering work, labour charges for operating the pump set, cost of pump accessories replaced/used, dismantling charges of pump with required accessories on completion of work, including cost of all labour charges, all lead & lifts, all T&P ‘s etc., complete |
| 6 | Removal of silt and slush in the cold water basin using basket and vessels and lifting from basin to ground level by manually and then disposing the same away from site with a lead of 1km including the cost of all materials, watering arrangements, all labour charges, all lead & lift, and arresting the leak water from top log gate using gunny bags etc., complete. |
| 7 | Cleaning the surface of the submerged Columns, side walls, Floor of the cold water basin with water jet including the cost of all materials, watering arrangements, all labour charges, all lead & lift, etc., complete. |
| 8 | Supplying and filling of the empty gunny bags with filling sand, stitching them intact, conveyance to site, placing/packing them at gate grooves for arresting leakage of water in front of C.T sump including cost of all materials, all lead & lifts, all labour charges etc., complete. Please Enable Macros to View BoQ information |
