GB/T 6001-1985
Active
DB50/T 1093-2021
Active
Chongqing CityLocal standards
DB50/T 1093-2021 Urban tunnel maintenance technical specifications
DB50/T 1093-2021 Urban tunnel maintenance technical specifications
Basic Information
Standard Code:
DB50/T 1093-2021
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Highway protection and maintenance
ICS Name:
\nGreening and afforestation
Publish Date:
2021-03-30
Implement Date:
2021-07-01
Pages:
26 pages
Scope
This document is applicable to the maintenance of urban road tunnels that have been built and put into operation within the urban planning scope of Chongqing City. The maintenance of underground (vehicular and pedestrian) passages can be carried out with reference to this document
Development Information
Related Standards
GB/T 14071-1993
Replaced
GB/T 14071-1993 The standard of examination and approval of improved varieties of forest tree
GB/T 14072-1993
Active
GB/T 14072-1993 Conservation principle and method of germplasm resources of forest trees
GB/T 14073-1993
Abolished
GB/T 14073-1993 Selection and breeding of procedure and request of the main broadleaf trees improved variety
GB/T 14175-1993
Active
GB/T 14175-1993 Introduction of exotic forest trees
GB/T 15162-1994
Replaced