| TECHNICAL CHARACTERISTICS OF THE AUDITED SECTION: | |
| WORK CLASS: | Construction of acoustic protection screens in seven sectors of the high-speed railway platform in the Girona-Figueres section. Acoustic screens made up of 50 cm high sandwich modules (acoustic panel) composed of sheets of sound-absorbing fibrous material. The acoustic panel is completed with double sheet metal: 1 mm thick galvanized sheet metal on the smooth side and 38% perforated sheet metal for acoustic absorption. |
| DIMENSIONS OF THE SCREENS: | 945.284 m of screen founded on piles between 650 and 1000 mm in diameter, varying in height from 3 to 6 m. 416,354 m of screen over viaduct founded on superficial footing of variable height between 3 to 4 m. 475.272 m of screen founded on a shallow footing of variable height between 3 to 4 m. |
TIME FOR EXECUTION OF THE WORKS: 16 months.
