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Construction of Overhead Water Tank - A Cost Effective Approach


Dr. Mainak Mallik , NIT-YUPIA


Overhead Water Tank, Slip Forming, Heavy Lifting


An overhead water tank had been constructed to cater the water supply needs of Steel Melt Shop and Rolling Mill Furnace. The tank has the total capacity of 275cu.m at a height of 36.75 meter above ground level. The overhead tank consists of twin chambers, each having capacity of 75cu.m and 200cu.m supported on a circular shaft. Generally, extensive scaffolding and formwork for the full height is done which is an uneconomical and time consuming solution. In the present scenario, any project is time bound and we have to modify our scheme in order to suit the requirements. To arrive at an economical solution as well as to complete construction quicker, a method has been adopted using “Slip forming and Heavy Lifting Technique”. In this method, after the construction of foundation the shaft is constructed by “Slip forming Technique”. Later the tank bowl is cast encircling the shaft at ground level and then it is lifted along the shaft. Finally the tank bowl is placed on the shaft. In order to implement this method, the original diameter inside the tank bowl has been increased so that it can be lifted along the shaft and at the same time the capacity requirement of tank is satisfied. It is found that this combination is not only cost-effective but also time saving.

Other Details

Paper ID: IJSRDV4I120021
Published in: Volume : 4, Issue : 12
Publication Date: 01/03/2017
Page(s): 12-14

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