JICA funded Outer Circular Highway to the City of Colombo - Southern Section –Kottawa to Kaduwela

Southern Section: Kottawa to Kaduwela (11.0 kms) includes 5.5km Viaduct - The Southern Section of the Outer Circular Highway has a length of 11.0 km and is a 4-lane access controlled Highway with 2 Interchanges.

The Project consists of 2 long bridges and 15 nos. viaducts of total length 5.5 kms. The balance section is on an embankment fill of which 3.19 km is on soft ground. The soft ground treatment methods adopted consist of Gravel Mat, Band Drains, Geotextiles, Rock Replacement and Gravel Compaction piling.

Project details

  • Name of client Road Development Authority (RDA), Ministry of Highways
  • Location Western Province , Sri Lanka
  • Country Sri Lanka
  • Start date December 2009
  • Completion date August 2015
  • Origin of funding JICA
  • Name of partnersOriental Consultants Co Ltd of Japan, Engineering Consultants Ltd of Sri Lanka, Consulting Engineers & Architects Associated Ltd of Sri Lanka

Related Projects