Standard Structural Diagrams for Sewerage Design

Main Contents

1. Pipe Construction

Excavation width, detailed drawing of rigid PVC pipe rubber socket straight pipe, detailed drawing of rigid PVC pipe construction (sand foundation), standard drawing for backfill

2. Manhole Work

Detailed drawings of assembly manholes, small manholes, manhole covers, auxiliary pipes, inverts, foot supports, and fall prevention ladders

3. Installation of Sewage Manholes and Connecting Pipes

Details of Installation Pipe (Standard Diagram for Small Diameter Manholes, Rigid PVC Pipe Branch, Elbow, Socket Installation Details)

4. Retaining Walls

Reference drawings for lightweight steel sheet pile construction method and simple earth retaining method

5. Rainwater Pit Installation Work

Details of rainwater inlet and cover