October 2013. CO and NO2 detectors, Anemometers, Opacimeters, Linear heat detection cable, Luminance meters
The Motril (El Puntalón)-Carchuna section, belonging to the A-7 Mediterranean highway has a length of 6,1 kilometers. The construction of this section includes the execution of two tunnels.
The Carchuna tunnel, located between the kilometric point 3,200 and 3,700 has a length of 497 meters on the right hand side tube and 520 meters in the left hand side tube. The tunnel of La Fuentecilla, located between the kilometric point 4,400 and 5,000, has a length of 585 meters on the right hand side tube and 605 meters in the left hand side tube.
Both tunnels are protected by CO and NO2 gas detectors manufactured by DURAN ELECTRONICA, and by anemometers, opacimeters, linear heat detection cable and luminance meters distributed by DURAN ELECTRONICA.