📋 Tender Overview
Requalification of infrastructure and security systems.
As part of the execution of infrastructure requalification work and cricket tunnel safety systems in IC17/CRIL traffic cuts will be made in the tunnel access branches with the purpose of setting up portica semi-portic variable messaging panels and the paving of the tunnel and adjacent branches.
Traffic cuts
April 22 (Tuesday): Cut of the A8 and Frielas access branch to the cricket tunnel;
April 23 (Wednesday): Cut of the A8 and Frielas access branch to the cricket tunnel IP7 access cut (north/south axis) to the cricket tunnel output cutting to the A8 connection;
April 24 (Thursday): Cut of the A8 and Frielas access branch to the cricket tunnel IP7 access cut (north/south axis) to the cricket tunnel output branch cut to the A8 connection;
April 28 (Monday): IP7 access cut (North/Sul axis) to the cricket tunnel;
April 29 (Tuesday): IP7 access cut (North/Sul axis) to the cricket tunnel;
April 30 (Thursday): Cut of the A8 and Frielas access branch to the cricket tunnel and IP7 access cut (north/south axis) to the cricket tunnel;
May 5th (Monday): Cut of the A8 and Frielas access branch to the cricket tunnel and IP7 access cut (North/South axis) to the cricket tunnel.
Useful information
All work will be performed between 22h00 and 06h00;
All changes in circulation will have the support of the Public Security Police;
Traffic conditioning and their alternative deviations are properly signaled on site;
Between 06h00 and 22h00 hours there will be no changes to the conditions already implemented.
14 million euros investment in infrastructure rehabilitation and security systems
The rehabilitation and modernization contract of the cricket tunnel in IC17/Cril with an associated investment of about 14 million euros had three large groups of objectives:
Requalification of infrastructure at the level of safety energy efficiency and sustainability requirements to ensure the best level of service and the integrated exploitation of the adjacent network;
Adequacy of security systems to comply with the European directive regarding the security requirements for the Tunnels of the Transeuropeia Road Network and National Highway Network;
Reinforcement of communication systems between the cricket tunnel and the traffic control center (CCT) of Portugal infrastructure.
This intervention understood among others the following works:
Requalification of the infrastructure of the concrete tunnel using punctual concrete treatments and painting the entire extension of the two galleries of the tunnel;
Construction in ditch of new technical channels;
Rehabilitation of the existing drainage system including in slopes;
Floor rehabilitation throughout the tunnel;
Rehabilitation of a slope;
Construction of a new technical building;
Replacement and full redesign of existing safety systems and equipment in particular: electricity; Automation; Smoking ventilation and control; Fire fighting; Lighting; Signaling and information to the user; Automatic sensorization and detection; Traffic and Supervision Management: Communications System; Emergency support and intervention.
The Grilo tunnel inaugurated in 1998 is located at the IC17 - CRILs OLIVAL OLIVAL LANCO / SACAVEME and currently has an average daily traffic more than 115000 vehicles.
