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Upgrading Dubai's Sewers

by Henry R. Derr, P.E., Sr. Project Manager; Metclaf & Eddy International, 30 Harvard Mill Square, Wakefield, MA 01880.,
Bruce W. Jones, (M.ASCE), St. Engr.; Metcalf & Eddy International, 14502 Greenview Drive - Suite 500, Laurel, MD 20708.,


Serial Information: Civil Engineering—ASCE, 1994, Vol. 64, Issue 8, Pg. 60-63


Document Type: Feature article

Abstract:

The sewerage system serving the city of Dubai in the United Arab Emirates, is plagued with odor and corrosion problems. System elements were deteriorating and failure rates were increasing. A major rehabilitation and expansion program was initiated to improve the system, focusing first on the central business district of Bur Dubai. This is a densely developed area, with narrow, congested streets, intense commercial activity and a concentration of governmental activity around the Rulers Complex. The project goals were to rehabilitate the system while at the same time streamlining operation to eliminate the numerous small pumping stations. After careful review, the design team selected a complex mix of conventional and non-disruptive techniques to rehabilitate and extend the system while minimizing surface disruptions. A total of over 7,800 meters of pipe will be installed using conventional open cut methods. The nondisruptive techniques include microtunnelling for new pipes, pipe bursting using solid cone bursters, pipe bursting using hydraulic burster, a type of pipe eating machine and pipe relining using an inversion method.

Subject Headings: Pipeline hydraulics | Pipe failures | Rehabilitation | Sewers | Pumping stations | Urban areas | Streets | Dubai | United Arab Emirates | Middle East | Asia

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