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Section II

Implications of Micro-Tunnelling on Wastewater Pipeline Constructions : a case study from Muscat Wastewater System: Al Khuwair Project

Author:

Kokila Ranasinghe

LK
About Kokila

Late Engineer, Former Assistant General Manager of the NWSDB,

C. Eng., MIE(Sri Lanka), Prov. M. Eng. (APEGBC – Canada),M. Eng. , P.G. Dip – IT (Moratuwa), P.G. Dip – App. Sociology (Colombo)

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Abstract

Al Khuwair is a sub city located in Muscat in the Sultanate of Oman. It is presently growing rapidly with illustrious highways, modern housing complexes, commercial centres, hospitals, schools etc., being built. Even though the local population represents around 60% of the total population, developing infrastructure is an essential need in order to cater to the needs of both the local and foreign migrant population and also the tourists. The present trend of development of the city indicates that Al Khuwair would provide a considerable proportion of the Muscat’s wealth. The yellow tankers roaming around the city are not uncommon in AlKhuwair even though it might surprise the visitors at their first glance. They enter every house and restaurant at least once a month in order to empty the septic tanks of those properties. It is also not uncommon to see overflowing septic tanks emitting in tolerable odours when tankers fail to arrive promptly to empty the overflowing septic tanks. The aim of the paper is to present the actual experience from Muscat Waste water Project that has been implemented in order to overcome the above mentioned most critical issue. It highlights the problems which surfaced with regard to pipe deviations, deflections and pipe cracking that occurred during the micro tunneling of 1000mm diameter polycrete wastewater pipes. The attempts made to provide technical solutions for the deficiencies and possible alternatives to overcome the defective situations are comprehensively discussed in the paper.


ENGINEER, Vol. 48, No.02, pp. 25-33 2015
How to Cite: Ranasinghe, K., (2015). Implications of Micro-Tunnelling on Wastewater Pipeline Constructions : a case study from Muscat Wastewater System: Al Khuwair Project. Engineer: Journal of the Institution of Engineers, Sri Lanka. 48(2), pp.25–33. DOI: http://doi.org/10.4038/engineer.v48i2.6831
Published on 25 Apr 2015.
Peer Reviewed

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