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Firm roots for adoption of technology to curb water leaks

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Davis & Shirtliff has attributed low water distribution efficiency in the country to a lack of best practice application and good operating practices that ultimately affect how fast leakages can be detected and rectifi*d.

A report by the J*pan International Cooperation Agency (JICA) in 2018 estim***d that Kenya loses up to 430,000 cubic metres (430 mi*lion litres) of water through leaks, burst pipes, t***t or meter a***e every year. This the report indicates, translates to losses of clean water worth Ksh 12.2 bi*lion.

To curb these revenue losses, the firm is calling on legislation on the use of technology in water distribution systems as well as the enforcement of proper operation management guidelines in the country.

“Incorporating technology with proper management practices in water distribution wi*l increase the proportions of new leaks reported as well as the level of undetectable small leakages. This therefore offers an opportunity to have the identifi*d leaks fixed and ultimately prevent further revenue loss through non-revenue water,” Davis & Shirtliff Chief Executive Officer, David Gatende said.

Technology, he added, wi*l increase the sp*ed at which the locations of leaks are identifi*d and help in the collection of data for a**lysis.

Davis & Shirtliff also attributed the high losses incurred in relation to non-revenue water to insufficient training on the part of those working in water utility companies as well as a lack in emphasis on preventive maintenance.

“Non-Revenue Water (NRW) refers to water that is pump*d and then lost or unaccounted for du**ng transit usually as a result of leakages, overflows and t***t. Water utilities suffer from the huge financial costs of treating and pumping water only to see it leak back into the ground and the lost revenues from water that could have otherwise been sold go to waste. Effectively mitigating the occurrence of leaks du**ng the transportation of water to both residential and commercial spaces is critical in ensu**ng that the supply of water in the country meets its demand,” Mr Gatende pointed out.

Mr Gatende continued to say implementing pressure management methods can help curb the effects of non-revenue water on water distribution systems. He consequently fronted the adoption of Demand Driven Distribution (DDD).

“Inefficient management of distribution system pressures causes substantial avoidable leakage and burst pipes. Every time a tap is opened the pressure in the entire distribution system drops a little. Du**ng night times when water is not used a lot, the pressure in the systems is very high and in time this leads to water loss as pipes under pressure crack and leak,” Mr Gatende explained. He went ahead to add that:

“Demand Driven Distribution wi*l however regulate the systems such that water pressure is only high du**ng specific times of the day when consum**s are in need of the commodity. When the demand for water is minimal, the system wi*l regulate the pressure in the distribution system to deter the occurrence of leaks.”

In addition to the immediate benefits of reduced leakages and energy use, DDD systems also help with long term savings by dramatically lowering the risk of “water hammer,” one of the pr*mary causes of pipework weaknesses.

Read: Kenyan MP returns to India to repay 30-year-old Sh300 debt

Other pressure management systems that can help mitigate the effects of NRW according to the D&S Chief Executive include leak detection, differential pressure loss and differential water loss systems.

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BT Correspondent
BT Correspondenthttp://www.businesstoday.co.ke
editor [at] businesstoday.co.ke
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