QA/QC, testing & equipment
Every seam we weld is tested and recorded. We use our own welding and testing equipment, and our records feed straight into the project's QA/QC and CQA documentation.
Testing & QA/QC
- Non-destructive testing: vacuum box, spark testing
- Destructive testing: peel and shear tests
- Trial welds before production welding
- Third-party validation upon request
- Compliance with ASTM D4437 and GRI-GM13
- Detailed daily reporting and handover documentation
Equipment (all owned by the company)
- Automatic wedge welders (fusion welding)
- Extrusion welders (detail work, corners, penetrations)
- Hot air guns
- Spark testers and vacuum box leak detectors
- Tensiometer for peel and shear testing
- Sheet rollers, cutters and ancillary tools
- Calibration certificates for testing equipment available on request
Records we hand over
- Panel layout and deployment records
- Trial weld and seam records
- Test results and test-location records
- Documented repairs with retest
- Detailed daily reports
- Handover documentation for the as-built drawings
Standards we work to
- GRI-GM13 — specification for HDPE geomembranes
- ASTM D4437 — practice for non-destructive testing of geomembrane seams
- MWAN TG-WM-05 (2) — Standards & Technical Guidelines for the Design, Construction and Operation of Landfills, 01 November 2024
- Saudi Aramco, SABIC and Royal Commission HSE standards
- Manufacturer installation guidelines for every product used
- ISO-compliant documentation
Have a lining project coming up?
Send us the application, approximate area, liner specification and site location, and we'll come back to you with a scope and price.