The ATEx is an assessment based on an application, which means that the applicant must compile evidence so that a panel of experts, called the ATEx Committee, can decide on the following aspects:
- Risks of disorder
- Ability to comply with a regulation
After the committee deliberations, the outcome of the ATEx may be favorable or unfavorable.
There are three types of ATEx:
Type “a” ATEx
The Type “a” ATEx is for a product or system applied to different worksites for a limited time and a predetermined total quantity.
This ATEx is issued on the basis of information provided by the applicant, concerning:
- The characteristics of the innovation to be tested and its area of application.
- The type and scope of the experimentation considered necessary, either for its development or to compile enough references prior to filing a Technical Appraisal application.
- As the Type “a” ATEx cannot generally be extended, holders have to take this into account when applying for a Technical Appraisal, if they wish to do so (in this case, the application must be filed at least eight months before the expiration of the ATEx).
- Applying for a Type “a” ATEx
- The applicant compiles a general technical file, which makes it possible to address the three areas indicated above: feasibility, safety and risks of disorder, along with the ability to comply with a regulation, if applicable. The application is examined by the CSTB before presenting it to the ATEx Committee, which issues the ATEx.
Type “b” ATEx
The Type “b” ATEx concerns a specific project, in other words the application of a construction technique to a specific worksite.
The applicant must provide the following information:
- The type, scope and location of the relevant worksite
- The technique used and proof of fitness for purpose
- The name of the client and the relevant technical inspector
- Applying for a Type “b” ATEx
The applicant compiles a technical file specific to a given project, which makes it possible to address the three areas indicated above: feasibility, safety and risks of disorder, along with the ability to comply with a regulation, if applicable. The application is examined by the project inspector, who then presents it to the ATEx Committee, which issues the ATEx.
Type “c” ATEx
The Type “c” ATEx applies to an experimental new project using one or several techniques that have already been issued a Type “b” ATEx.
Price, processing period and validity of the ATEx
- The price ranges indicated are given for information only. The price is set according to the size of the project.
- The CSTB has 15 days to decide on the feasibility of the ATEx and to define the specific evidence required based on a review of the preliminary technical file submitted by the applicant.
- Compiling of the Technical File by the applicant: this takes an average of six months (varying from one to 12 months, depending on the applicants).
- One month between receipt of the final application and the committee meeting.
- 10 business days after the committee meeting to send the ATEx (in the case of a Type “a” ATEx, this period starts after the applicant has corrected the Technical File).
- Type “a” ATEx: defined on a case-by-case basis (usually two to three years).
- Type “b” ATEx and Type “c” ATEx: not applicable.