RAJUK to make rainwater harvesting mandatory

Dhaka,  Thu,  21 September 2017
Published : 05 Aug 2017, 13:43:43 | Updated : 05 Aug 2017, 13:48:49

New regulations will require buildings to harvest and reuse rainwater: RAJUK

The Dhaka city development agency is bringing changes to the existing building code making reuse of rainwater mandatory.

RAJUK says the move is an effort to replenish Dhaka’s groundwater level and encourage use of alternative sources.

“Dhaka's groundwater level has fallen drastically due to population pressure,” said its Member Ziaul Hassan.

Buildings will need to incorporate ‘rain water harvesting and ground water recharging’ procedures into their design in order to receive approval for the design.

In addition to that, RAJUK will also spearhead an initiative to install the systems at over 300,000 existing buildings in the city.

The proposal, which has been circulating for almost five years now, will be acted upon in the coming months, said RAJUK official Hassan.

 “We have discussed the matter with all the stakeholders and hope to have a final draft ready in the next two weeks,” he said.

Hassan believes the rainwater collection plans will be made mandatory by the end of the year.

“Older buildings will need to consult with ‘space and design’ experts and make new arrangements. RAJUK will take the initiative to raise awareness.”

Officials say the new regulations could be expanded nationwide if it proves successful in the capital.

Of the 300,000 buildings in the two Dhaka City Corporations, nearly 275,000 are residential and 40,000 are commercial establishments.

Experts say it's about time to make reuse of rainwater mandatory in Dhaka.

"But just making laws is insufficient. The technical aspect must also be implemented comprehensively, ” said ASM Aminur Rahman, who is with the government's Department of Architecture.

He said the technology was not neither too advanced nor expensive. "We just need the drive to implement it." Rainwater from roofs will be collected to a reservoir and can be used for household chores, while some of it will be transferred to soil reserves, Additional Chief Architect Rahman said, reports bdnews24.com. 

The Dhaka University has been successfully operating two pilot projects at the Fine Arts Faculty and Zahurul Haque residential hall for the past four years.

"We are also running projects to collect rainwater and recharge groundwater in the capital and coastal district of Khulna,” said its Geology Chairman Prof Kazi Matin Uddin Ahmed.

“The two projects on the campus have made rainwater available for everyday use and helped refill underground reservoirs.”

 He said it was time to take the initiative nationwide. 

Editor : A.H.M Moazzem Hossain
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