HP Storm Pipe Spec.pdf

This document is a technical specification for ADS HP Storm 12"-60" Pipe, specifically developed for gravity-flow storm drainage applications for the City of Fort Collins, Colorado. The specification details technical requirements for polypropylene pipes ranging from 12 to 60 inches in diameter (300 to 1500 mm), with comprehensive guidelines covering pipe characteristics, joint performance, fittings, installation procedures, and dimensional specifications.

The technical specification outlines precise material properties, requiring polypropylene compound that meets ASTM F2881 and AASHTO M330 standards, with specific installation requirements following ASTM D2321 guidelines. The document provides a detailed dimensional table showing pipe specifications across various diameters, including average pipe inside diameter, outside diameter, and minimum pipe stiffness at 5% deflection. Installation parameters include minimum cover requirements and backfill specifications, with recommendations for different pipe diameter ranges and embedment material classifications. The specification is designed to ensure consistent quality and performance for storm drainage infrastructure procurement.