This standard establishes the composition and rules for the preparation of working drawings of heating networks (thermo-mechanical part) of objects being built
GOST 21.605-1982 history
2016GOST 21.705-2016 System of design documents for construction. Rules for execution of working documentation heating systems
1982GOST 21.605-1982 System of design documents for construction. Heat supply systems (thermomechanical part). Working drawings