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Specifications for plastic pipes, chambers, manholes and ...
www.bpfpipesgroup.comSpecifications for plastic pipes, chambers, manholes and covers for drainage and sewerage applications INTRODUCTION Plastic pipes and inspection chambers for the construction of gravity drains and sewers have been ... Photograph 2: Example of marking of pipes (structured outer wall) Photograph 3: Example of marking of pipes to BS EN 13476-3 ...