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Construction and Maintenance of Kolonnawa Canal Diversion Scheme stage II

Project Description

E&C was hired by the Ministry of Megapolis and Western Development, to work on the Kittampahuwa canal to minimize the issue of flooding in Kolonnawa basin, we had to construct an Operation and Maintenance road with drainage outlets in either side of the canal with necessary embankment protection as O&M road with embankment turfed, O&M road with Gabion wall protection, Foot path with Gabion wall protection, Formation of embankment to natural slope and turfed, Dredging work, Construction of pipe culverts, Construction of Box culvert. The project was valued at over Rs.282 Mn. We were faced with and overcame many risks when undertaking this project as well as challenges such as the difficutly in transporting materials due to narrow roads, the existing weak soil in the canal embankment, excesive dewatering required due to the existence of sand soil in the gabion construction area and the excessive soil quantities required for road construction.



This sector is E&C’s specialty as most projects are within Colombo city limits and possesses the knowledge, capabilities and capacity to take on these projects and overcome the challenges that come with it like congestion, traffic and other similar problems.
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