Control and Surveillance of the Works: A-66 Silver Highway, from Gijón to the Port of Seville. Section: Rivera de Huelva – Venta del Alto. Code: 12-SE-4310

Date: 2008
CONTRACT BUDGET: 1.129.062,44 € (V.A.T. included)
BUDGET FOR THE WORKS: 46.068.038,30 € (V.A.T. included)
CLIENT: Ministry of Public Works. General Directorate of Roads.

TECHNICAL CHARACTERISTICS:

LENGTH:7.93 Kilometers
WORK CLASS:Highway with variable median of 6.50 – 10.00 – 23 m wide and two carriageways of 2 lanes each.
(total width of each roadway 10.50 m).
LINKS: 1“Venta del Alto junction: Mixed trumpet/diamond type with a traffic circle and composed of five branches.
TUNNELS: 2“Venta del Alto Tunnel: Composed of two tubes of 813.00 m each and two transversal communication galleries. Excavation carried out by means of explosives in 2 phases of advance and shattering. The lining consists of bolts, shotcrete and metal trusses (Austrian method).
“Tunnel under the CN-433 : Composed of two tubes of 65.00 m each.
STRUCTURES: 1 Viaduct over the river “Rivera de Huelva” 315 m long.
7 Lower Steps and 2 Upper Steps.

ESTIMATED TIME FOR EXECUTION OF THE WORKS: 29 months