This specification is applicable to the construction and management of new and supporting reinforced backbone dams in areas with s

This code is applicable to all types of geological surveying and mapping work for water conservancy and hydropower projects. SL 29

This standard is applicable to the preparation of construction organization design documents in the preliminary design stage for l

SL 227-1998 Rubber Dam Technical Specification SL 227-98 SL227-1998 Standard download decompression password: www.bzxz.net

SL 260-1998 Dike Engineering Construction Specification SL 260-98 SL260-1998 Standard download decompression password: www.bzxz.ne

SL 35-1992 Hydraulic Metal Structure Welder Examination Rules SL 35-92 SL35-1992 Standard download decompression password: www.bzx

This guideline is applicable to Class 1, 2, and 3 dams of large, medium, and particularly important small reservoirs. Dams include

This standard is applicable to the engineering geological survey of Class 1, Class 2, Class 3 dikes, culverts, and banks of rivers