EXTERNAL CONTROL

Objective

The external inspection is carried out on behalf of the Project Manager by a company independent of the one performing the work. It ensures that the diagnosis and the recommended works defined prior to the start of construction are properly followed.

What do we inspect?

As an external control service, with the support of our testing and inspection laboratories, we verify:

    • The quality of the implementation of the works (milling thickness, cleanliness of the surface, compaction, etc.), including in situ characteristics of the pavement:
      • Longitudinal evenness
      • Grip and macro-texture
      • Retro-reflection of horizontal markings (paint)
    • The characteristics of the materials used, relying on the testing and inspection laboratory

TESTING AND INSPECTION LABORATORY

Objective

Thanks to our testing and inspection laboratories located across France, we are able to monitor and test the properties of infrastructure materials, as well as study their behavior.

What tests can be conducted?

hanks to our laboratories, we can conduct inspections and tests on:

      • Asphalt mixes
      • Bitumen
      • Emulsions
      • Aggregates
      • Concrete
      • Cements
      • Soils

Links with our other services

Our testing and inspection laboratories support some of our other services, including:

      • External inspection (material checks, density control, etc.)
      • External control (material checks, density control, etc.)
      • Diagnosis (module on cores, binder recovery, aging tests on binders, etc.)
      • Obtaining CE marking (material checks according to CE standards).

EXTERNAL REVIEW

Objective

When a construction company needs to perform quality controls on the construction sites it is involved in, it can call on an external company to carry out internal control, this is what is called external review.

We can provide our resources and teams to conduct the external review of construction companies, provided that our teams are not already involved in the project for which we are commissioned

What do we control?

As external inspectors, relying on our testing and inspection laboratories for part of the quality tests, we verify:

  1. The quality of the work implementation (milling thickness, cleanliness of the substrate, compaction, etc.), including the in-situ characteristics of the pavement:
    • Longitudinal evenness.
    • Adhesion and macro-texture.
    • Retro-reflection of horizontal markings (paint).
  2. The characteristics of the materials in place, with support from the testing and inspection laboratory.

OBTAINING THE CE MARKING

Objective

Relying on our testing and inspection laboratories, we conduct regular annual monitoring of production for asphalt plants, quarries, and other facilities producing materials subject to CE marking: bitumen, emulsions, cements, asphalt, and aggregates. The consistency of results obtained (over a period of time and a minimum number of analyses) allows for the classification of the quality of various characteristics of the controlled material, declaration of its characteristics, and, if applicable, affixing a CE label.

We also provide assistance to companies involved in the production of construction materials, supporting them on quality aspects: helping them draft their quality manual in compliance with CE marking requirements, and guiding them through the audit process.

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