Sewerage Construction Work Implementation Guidelines

This page contains the construction standards for sewerage works in Inagi City.

For matters related to construction other than those described, please consult at the service counter or similar.

Main Contents

General Provisions

　Basic Matters of Sewerage Construction

Earthworks

　Excavation Work, Backfilling Work

Pipe Laying Work

　Pipe Foundations at Each Ground

Manhole Work

　Manhole Installation Standards

Temporary Construction

　Earth Retaining Methods (Lightweight Steel Sheet Pile Method, Simple Vertical Earth Retaining Method, Support Work)

Pavement Restoration Work

　Matters Concerning Pavement Restoration After Construction

Public Manholes and Connection Pipes

　Standards for Installation of Public Sewage Manholes, Types of Connection Pipes, and Arrangement Matters

Private Road

　Standards for Sewerage Construction on Private Roads