Toyo Tunnel

WSP contributed its experience to the largest tunnel project in America part of the megaproject of 18 tunnels, 30 bridges and 17 kilometers of open-air roads in Colombia.

Location

Antioquia, Colombia

Client

Government of Antioquia/Antioquia al Mar Consortium

The Guillermo Gaviria Echeverri Tunnel, also known as the Toyo Tunnel, constitutes a notable infrastructure project in Colombia, located in the northwest region of the country. This project covers a corridor of 18.3 kilometers, which begins in the municipality of Cañasgordas (Antioquia) and ends in the municipality of Giraldo (Antioquia).

The fundamental purpose of this road project is to improve connectivity and road infrastructure in the region. The Toyo tunnel stands out thanks to its length of 9,730 meters, making it the longest tunnel in America and the deepest at 900 meters below the profile of the mountain.

WSP, with its extensive global experience, played a fundamental role in this project by carrying out the final studies and designs in Phase III for Section No. 1.

From WSP in Colombia, the activities developed by the Transportation and Infrastructure team were:

Transportation study
Geometric layout and design study
Engineering geology
Soil study for the design of bridge foundations and other retaining structures
Slope stability and stabilization study
Geotechnical study and pavement design
Study of hydrology, hydraulics and scour
Study and design of structures
Tunnel study and designs
Urban planning and landscaping study
Study of work quantities, analysis of unit prices and budget for structuring the specifications
Socioeconomic evaluation of the project
Executive final report

The Earth & Environment team took part in the following activities as part of the Comprehensive Property Management (social, technical, and legal) of Section No. 2 of the project:

Preliminary identification of the study area
Verification and comparison of cadastral and municipal databases
Field activities for verification
Review of the POT, PBOT or EOT (land-use plan, basic land-use plan or land-use schema)
Legal technical diagnosis
Property recognition
Preparation of property files, plans and inventories
Preparation of socio-property files and compensations
Project socialization meetings from the point of view of property impacts
Title study
Preparation of property sheets

Additionally, during Phase I, the structural and hydrosanitary designs of the architectural modification made to the new buildings planned for the main Operational Control Center in K37+185 of the Antioquia al Mar Consortium were carried out.

LENGTH

9,730 m

MAXIMUM COVERAGE

896 m

MAIN TUNNEL WIDTH

8 m