ADB Funded Fourth Road Network Improvement Project
ADB Funded Fourth Road Network Improvement Project – Design Review & Construction Supervision
Client: Road Development Authority
Client Address: Sethsiripaya, Battaramulla, Sri Lanka
Source of Funding: ADB
Approx. Value Contract: USD 9.7 million
Approx. Value of Services: USD 2.4 million
Location: Southern, Western, Sabaragamuwa & Central Provinces, Sri Lanka
Start Date: April 2001
End Date: January 2009
Duration of Assignment: 91 months
Name of Associated Consultants: Roughton International, U.K.
APL Consultants, Sri Lanka
Description of the Project: Rehabilitation of approximately 274 km in 15 LCB and ICB contracts including Pelmadulla-Embilipitiya, Weerawila-Kataragama and Beliatta-Dikwella roads and rehabilitation and widening of 42 bridges.
Scope of Work:
  • Reviewed designs, prepared horizontal and vertical alignments, and road pavement cross sections for speeds up to 70 km and 50 km at bends on contracts C9, C5 and C15.
  • Prepared detailing and road furniture drawings for 15 contracts, design & detailing of culverts, RC and gravity retaining walls, gabions, single and multi-cell RC box culverts, small span bridges, storm drains.
  • Evaluated and approved material sources and contractors Work Programs.
  • Supervised construction of carriageways comprising, improvements to base and sub base, horizontal alignment of pavement using a combination of dry bound and penetration macadam with a final surfacing of asphalt concrete.
  • Supervised trimming and leveling of shoulders, building of embankment, provision of side drains, access facilities, enlarging junctions, construction of roundabouts, widening, re decking and replacement of bridges, provision of road markings.
  • Computing quantities, evaluated and certifyied progress claims / variations.
  • Monitored and tested quality of works, prepared progress reports, final accounts, and issued taking over certificates.