Russian standards PDF
Renovation of steel underground gas pipelines used sintetic flexible pipes and complicated adhesiyes
Document status: Not Active
Design and construction of polyethilene gas pipelines and renovation of underground gas pipelines
Document status: Active
Quality control of welded joints of polyethylene gas pipelines
Document status: Replaced
Design and construction of soil bases and foundations for buildings and structures
Document status: Active
Concrete and reinforced concrete structures with no pre-stressing of re-bars
Document status: Active