Majo Plastics Twin Wall HDPE are BBA Certified.
150 mm to 600 mm Pipes and Couplers, a range of high density polyethylene (HDPE) pipes and polypropylene couplers for use as filter and carrier pipes in highway drainage for the collection and disposal of surface and sub-surface water.
- factors relating to compliance with HAPAS requirements
- factors relating to compliance with Regulations where applicable
- independently verified technical specification
- assessment criteria and technical investigations
- design considerations
- installation guidance
- regular surveillance of production
- formal three-yearly