Control and supervision of construction works A-7 Mediterranean Motorway. Section Nerja – Almuñecar (La Herradura), (Spain)
General Directorate of Roads (Ministry of Development)
PURPOSE OF THE WORKS
Among the control and supervision works performed, the following are emphasised:
- Study and proposal of possible improvements of the detailed design, as well as revision of solutions proposed by the construction company. Preparation of amended and supplemental plans.
- Verification of the proper definition and execution of the works, as well as preparation of follow-up reports on the construction process.
- Review of the quality of the materials received and used in the project (laboratory)
MAIN CHARACTERISTICS OF THE WORKS
Length: 9,500 m
Planned speed: 100 km/h
Minimum ground plan radius.: 680 m
Min. transition curve ground plan (A): 248 m
Maximum gradient: 4 %
Min. parameter convex curves: 9,075 m
Min. parameter concave curves: 8,000 m
No. of carriageways: 2
No. of lanes x lane width: 2 x 3.5 m
Width of interior shoulder/berm: 1.0 m
Width of exterior shoulder/berm: 2.5 m
Width of central reservation: variable m
Platform over structures: 12.20 m
Platform in tunnel: 12 m
Total investment: 151.6 million euros
