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ROADS & MOTORWAYS
Control
and Supervision of Works for the Construction of 3 Urban Roads
("Rocades Urbaines")
- Djibouti
Client: Ministère
de l’Equipement et des Transports
Services: Geotechnical
investigations and tests, topographic surveys, construction site and contract management, quality
control and general monitoring of construction.
Period:
11/2003 – 12/2004
Construction cost:
€ 27,000,000
The Project:
The project concerns the monitoring and supervision of the
construction works for the rehabilitation of three major road
sections in Djibouti: Route de Venise, Rue Nelson Mandela
and the section of the RN1 crossing Balbala.
The works consist in:
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The reinforcement of the 4-lane, dual carriageway “Rocade
de Venise” between the intersection with state highway RN
1, near the port entrance, and the Italie bridge over
the Ambouli wadi (roughly 5.3 km). The road was built in 1993
but has been badly damaged by the increasing heavy traffic.
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The reconstruction of the Avenue Nelson Mandela (1.8
km) which links, to the south of the city of Djibouti, the RN
1 (at the Ambouli roundabout) and the RN 2 (at the CDE level
crossing), serving the Ambouli and Djebel districts.
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The reconstruction of the crossing of the Balbala district by
RN 1, the main artery of the national road network, for a
section of approximately 4 km.
The supervision team consists of 3 expatriate staff:
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Team leader /Resident Engineer responsible for the
coordination and liaison with the Client
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Geotechnical Engineer to supervise to the laboratory
technicians
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Site Engineer to supervise the topographic survey, the
earthworks, road and restoration works.
This expatriate team is supported by the following local
staff:
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3 surveyors
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4 laboratory technicians.
The project, which is carried out on behalf of the Government
of Djibouti under the auspices of the European Commission
(FED), includes the following control and supervision
services:
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Control of the setting up of the construction sites
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Control and approval of the Contractor’s work schedules, plans
and topographic instruments
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Checking and installation of the equipment
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Quality control of the construction material
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Control and assistance with construction site organization and
operation
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Execution of the geotechnical laboratory tests
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Issuing of service orders, certificates and monthly progress
reports
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Control of the temporary detour works
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Monitoring of the construction costs and payments
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Technical assistance to the Administration and quantity
surveying of the works
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Liaison between the Contractor and the Client for all matters
concerning the contract
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Control and restoration to their original state of the borrow
areas, work camps, access roads, etc. according to the
environmental protection clauses
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Final Handover of the works and drawing up of the Final
Report.
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