Russian standards
Main (trunk) pipelines. With Amendments No. 1, 2
Document status: Replaced by SP 86.13330.2022
Code of regulations on contstruction of trunk gas pipelines. Earthwork operations
Document status: Active
House-to-house heat supply systems on the basis of individual gas heat generators. Rules for design and arrangement. With Amendment No. 1
Document status: Replaced by SP 282.1325800.2023
Railways in the permafrost areas. General provisions for design. With Amendment No. 1
Document status: Replaced by SP 447.1325800.2024