DB11/ 147-2002
Underground facility inspection well double-layer manhole cover (English Version)

Standard No.

DB11/ 147-2002

Language

Chinese, Available in English version

Release Date

2002

Published By

Beijing Provincial Standard of the People's Republic of China

Status

Be replaced 2016-01

Replace By

DB11/T 147-2015

Latest

DB11/T 147-2015

Scope

This standard specifies the technical requirements, test methods, and inspection rules for double-layer manhole covers for underground facility inspection wells. This standard applies to inspection well covers on urban roads, highways and other surfaces where motor vehicles or non-motor vehicles may drive or park within the administrative area of Beijing.

DB11/ 147-2002 Referenced Document

• GB/T 1348-1988 Spheroidal graphite iron castings

DB11/ 147-2002 history

• 2015 DB11/T 147-2015 Check manhole cover structure, safety technical specifications
• 2002 DB11/ 147-2002 Underground facility inspection well double-layer manhole cover

DB11/ 147-2002 Underground facility inspection well double-layer manhole cover was changed to DB11/T 147-2015 Check manhole cover structure, safety technical specifications.