Approvals & Standards – Are They End Game or Path Markers?
![Approvals & Standards – Are They End Game or Path Markers?](https://brokensewerpipeneworleans.com/wp-content/uploads/2022/06/Approvals-Standards-1024x341.jpeg)
By John M Heisler Approvals & Standards – Are They End Game or Path Markers? “I’ve been installing liners for a while now and ran into an engineer who insists I provide all documentation showing that the material have approvals from an independent agency for the resin and tube to the thickness specified for his […]