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Case study

Construction Supervision and Assistance during Tender for the Construction of Grade Separations at Two Locations in Greater Beirut: Tayounneh Roundabout And Mar Mekhael Intersection

Project
Construction Supervision and Assistance during Tender for the Construction of Grade Separations at Two Locations in Greater Beirut: Tayounneh Roundabout And Mar Mekhael Intersection
Client
Council for Development and Reconstruction (CDR)
Associated Firm
Saudconsult
Location
Lebanon
Type
Engineering
Sectors
Transportation & Highway
Date
December 2008 – December 2010
Project Details

Narrative Description of Project:

The project is part of the corridor improvement program intended to increase traffic capacity along seven main highly congested corridors entering the city of Beirut.
The grade separations consist of underpasses with single and double cells cut and cover tunnels. The clear width of each cell is 8.40 m with a roadway width of 7.50 m carrying 2 lanes of traffic.

The works occur in an urban setting along highly congested corridors where special attention is given to detouring of traffic and reducing negative impacts on abutting properties. Environmental monitoring as far as required by the Health and Safety high standard regulations is strictly observed. As well, protection of cultural heritage and archaeological remains, together with social responsibility are also integrated into the project implementation. 

The works include:

– Earthworks and pavement construction 
– Reinforced concrete underpasses & Retaining walls
– Storm water drainage network
– Signing, road marking and safety barriers
– Relocation of existing dry and wet utilities
– Reinstatement of roads interfered by the works.
– Traffic management during construction
– Lighting, telephone network, landscaping…
Approx. value of works is USD 12 million.

Description of Actual Services Provided:

– Assistance in Tendering and Procurement, Bid Evaluation and Advisory Assistance to the Client.
– Quality assurance and checking conformity with contract requirements in terms of legal aspects, materials specifications, construction methods and workmanship
– Day-to-day construction supervision of all works.
– Construction schedule follow-up, updating and time control.
– Evaluation of cost and time implications of variations.
– Keeping records of tests, inspection approvals….
– Quantities computation, review of the contractor payment applications, and certifying for payment.
– Daily, monthly and final reports preparation to the Client.
– Snag listing and assistance during project reception.
– Services during defects liability period.