GOST 2.306-1968 Unified system for design documentation. Graphical designations of materials and rules for their representation
GOST 2.312-1972 Unified system for design documentation. Symbolic designations and representations of welds and welded joints
GOST 2.315-1968 Unified system for design documentation. Simplified and symbolic designations of fasteners
GOST 2.321-1984 Unified system for design documentation. Letter designations
GOST 2.410-1968 Unified system for design documentation. Rules for making drawings of metal structures
GOST 21.001-2013 System of design documents for construction. General principles
GOST 21.101-1997 System of design documents for construction. Main requirements for design and working documents
GOST 21.201-2011 System of design documents for construction. Symbol graphics elements of buildings, works and structures
GOST 21.501-2011 System of design documents for construction. Rules for execution of the working documentation of architectural and construction solutions
GOST 23118-2012 Building steel structures. General specifications
GOST 26020-1983 Hot-rolled steel I-beam with parallel flange edges. Dimensions