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Enterprises dealing in metal roof beam products can apply for CMAC mark certification.
First, the implementation of standards.
MT T 30-2000 "Metal Roof Beam".
Second, the authentication mode.
Technical review + product inspection + factory inspection + post-certification supervision.
3. CMAC certification process.
Certification application - preliminary examination and acceptance - technical review and product inspection - factory inspection - comprehensive assessment and certificate issuance - post-certification supervision.
Fourth, the division of certification units.
It is divided according to the structural type, length range, and minimum load of a single beam.
5. Application materials.
1.Application.
Including the basic information, the application of the product situation.
2.License.
3.Technical Documentation.
a.The product implements a standard or technical condition.
b.Product drawings.
c.Instruction manual for the product.
d.Products**.
e.Other. 4.Relevant supporting materials.
a.Registration certificate of the applicant, manufacturer, manufacturer, such as business license, organization certificate, etc. (when applying for the first time);
b.If the applicant is the seller or importer, a copy of the relevant contract concluded between the seller and the manufacturer, the importer and the manufacturer shall also be submitted;
c.Proof of the relationship between the manufacturer and the manufacturing plant;
d.Power of attorney (if any) from the person;
e.Valid supervision and inspection report or factory inspection report (if any);
f.Other required documents.
Sixth, the factory inspection items.
Size. Appearance.
Operational flexibility.
Hardness. Minimum load on a single girder.
Maximum load per girder.
Minimum load on the articulation.
Maximum load on the articulation.
7. List of inspection equipment.
Steel tape measures, calipers, angle measuring devices, hardness testers, presses, dial indicators.
8. Sample inspection.
Prepare samples according to the requirements of the following table, and the samples must indicate the basic information such as the production unit, production date, specifications (models), and main parameters of the product.
9. Factory audit.
If the factory inspection conclusion is A-level, the inspection is qualified.
If the factory inspection conclusion is B or C, the applicant shall rectify the non-conformities, and the rectification work shall be completed within 60 days, and the rectification report shall be submitted to the inspection team leader.
If the factory inspection conclusion is unqualified in grade D, the applicant must complete the rectification as required within 60 days and submit the rectification report to the inspection team leader.
10. Recertification (renewal).
If the validity period of the product certificate expires and the holder needs to renew the validity of the product certificate, the applicant shall apply for recertification 3 6 months before the expiration of the certificate.
In principle, the technical documents of the product will no longer be reviewed, and the specific process can be determined in combination with the latest supervision and inspection results of the licensee's products.
Mine safety certification
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