A Case Study on Water Storage Tank Design and Constrution for Domestic Purpose in Shashemene Town, Ethiopia

Abstract

Shashemene town is located 250km south of Addis Abeba, main city of Ethiopia and have about 122,046 population. The town has been blessed with flat terrain.The only limited factor is water .Currently, Shashemene town water supply office is supplying a water for these population once a week due to lack of enough water storage tank and continuous electric supply.The previous water supply system did not fit with current population. The recommended water storage tank minimizes water shortage by half and can be constructed by low cost. Average consumption of 35lpcd per person was taken for domestic purpose. The construction of the water storage tank involves different steps that are site clearance from the design area,land leveling, materials selection which included water, cement, sand and gravel. The recommended Tank dimension (Length X Width X Height of 18m X 18m X 2m) for structure included. Tank is backfilled with near soil or by selected materials.

Keywords: Storage Tank, Design, Construction, Discharge, Per capita demand