DS EN 12200-1:2000 Plastics Rainwater Piping Systems For Above Ground External Use - Unplasticized Poly(Vinyl Chloride) (Pvc-U) - Part 1: Specifications For Pipes, Fittings And The System Defines the requirements for pipes, fittings and the system of unplasticized poly(vinyl chloride) (PVC-U) intended for use as above-ground external rainwater downpipes.