Detail
Ofwat's decision regarding a change proposal by the British Plastics Federation (BPF) to Sewerage Sector Guidance Appendix C – Design and Construction Guidance: Perforated plastic pipes.
Ofwat's decision regarding a change proposal by the British Plastics Federation (BPF) to Sewerage Sector Guidance Appendix C – Design and Construction Guidance: Perforated plastic pipes.