RS ISO 13272: 2011 PLASTICS PIPING SYSTEMS FOR NON-PRESSURE
UNDERGROUND DRAINAGE AND SEWERAGE — UNPLASTICIZED
POLY(VINYL CHLORIDE) (PVC-U), POLYPROPYLENE (PP),
POLYPROPYLENE WITH MINERAL MODIFIERS (PP-MD) AND
POLYETHYLENE (PE) — SPECIFICATIONS FOR MANHOLES AND
INSPECTI
