When we set out to write a specification for a flexible pipe system it is important to remember that flexible pipes are composites of both the pipe and the

Every sewer has them… every few hundred feet… you can’t avoid it if you are in the sewer industry... Got a guess?... That’s it… MANHOLES. Ahh yes, the beautiful

Q. 1 – I see reline projects using CMP inside of CMP – isn't that repeating a material selection mistake?Not if the new CMP material is selected correctly.  To

Installation contractors frequently ask if it will be permissible to use “pea gravel” for the select fill envelope for flexible pipe products. One must consider