At SOCOTEC, we carried out the control and supervision of the works on Carretera 340 as it passes through the town of Vallirana.

General information

Project name: Control and supervision of the works on Carretera 340. Section: Vallirana bypass

Date: 2009 – 2019

Client: Ministerio de Fomento

Location: Vallirana

Country: Spain

Image copyright: ©SOCOTEC Spain

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Oscar Bustos

Director Obras de Barcelona - Infraestructuras del Transporte

Director Obras de Barcelona - Infraestructuras del Transporte

Project summary

Control and supervision of works: Modified project No 1. Carretera N-340 from Cádiz to Barcelona via Málaga. Section: Vallirana bypass. Province of Barcelona. This project is the second phase of the N-340 bypass in Vallirana.

Project details

Control and supervision of the works from the point of view of quality, health and safety, cost and time of execution, sustainability and relationship with the client.

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In particular, the following were carried out:

Control and supervision of the works in terms of quality, health and safety, cost and execution time, sustainability and customer relations.

control-vigilancia-carretera-tramo-vallirana
  • Review, checking and collaboration for the final design.
  • Review and supervision of geotechnical studies and topographical surveys.
  • Quantitative and qualitative control during construction.
  • Construction supervision; Health and safety coordination.
  • Specific technical assistance during construction.
  • Property assistance during negotiations with the contractor.
  • Review and collaboration for the detail engineering for the works.
  • Review, approval and monitoring of work schedules.
  • Monthly monitoring reports.
  • Specific and other technical reports as needed.
  • Administrative and financial monitoring for the works.
  • Maintenance and operation schedule.
  • Review of as-built documentation. As-built project.
  •  Final reports.
  • Review, checking and collaboration for the final design.
  • Review and supervision of geotechnical studies and topographical surveys.
  • Quantitative and qualitative control during construction.
  • Construction supervision; Health and safety coordination.
  • Specific technical assistance during construction.
  • Property assistance during negotiations with the contractor.
  • Review and collaboration for the detail engineering for the works.
  • Review, approval and monitoring of work schedules.
  • Monthly monitoring reports.
  • Specific and other technical reports as needed.
  • Administrative and financial monitoring for the works.
  • Maintenance and operation schedule.
  • Review of as-built documentation. As-built project.
  •  Final reports.

This project involved the construction of 1,300 metres of major tunnels in the Garraf Massif in addition to 2,500 linear metres of roadway. The proximity to residential buildings required a complex monitoring system.

All aspects of the work control and supervision necessary to ensure compliance with the requirements of the contract were analysed (geometry, quality, deadlines, budget, sustainability, monitoring of effects on the air, soil, water, vegetation and fauna, and other cultural aspects). Health and Safety was monitored during the works phase.

Total time for completion: 37 months.

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