Sierra Construction

Project details

Integrated Road Investment Program- Tranche 2

Integrated Road Investment Program- Tranche 2-/ Rehabilitation / Improvement of 77 Km of Rural Roads in Nuwara Eliya District – Contract 1 Including Performance Based Maintenance for Three Years.

This road package coverd two divisional secretarial divisions in Nuwara-Eliya district, i.e. Walapane and Haguranketha.


Total road length of this package is 76.6 km and it has 8 PRDA road and other 6 roads are Pradeshiya Sabha roads.

Almost all road in the package is very narrow, width of the roads are around 3 m and the road terrain was mountainous.  The existing road surfaces were extremely damaged.

Rehabilitation/Improvement works were consisted of strengthening base of existing pavement where necessary, widening of the carriageway to the required standard, rebuilding the shoulders to the required width with soft shoulder on either side, followed by asphalt concrete surfacing to the carriageway.

Longitudinal drainage works involved the provision/rehabilitation of earth drains and unlined longitudinal drains. Transvers drainage improvements involved the extension and replacement of existing culverts.

The works also involved provision of safety measures such as roundabouts, center islands, guard rails, parking bays, road marking and road signs.

Roadway excavation – 21,066 Cu.m

Embankment – 4,408 Cu.m

Sub base – 6,500 Cu.m

Aggregate Base Course –  37,797 Cu.m

Asphalt Concrete – 28,412 Tonne

Concrete Work – 10,635 Cu.m

  • Client: Road Development Authority
  • Location: Nuwara-Eliya, Sri Lanka