DB32/T 3955-2020 Safety technical specifications of elevated sewage tank

GB 2893-2001 Safety colors GB 2893-2008 Safety colours GB/T 2893.1-2004 Graphical symbols—Safety Colors and safety signs—Part1:Design principles for safety signs in workplaces and public areas GB/T 2893.1-2013 Graphical symbols—Safety colours and safety signs—Part 1:Design principles for safetry signs and safety markings GB/T 2893.2-2008 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.2-2020 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.3-2010 Graphical symbols—Safety colours and safety signs—Part 3:Design principles for graphical symbols for use in safety signs GB/T 2893.4-2013 Graphical symbols—Safety colours and safety signs—Part 4:Colorimetric and photometric properties of safety sign materials GB/T 2893.5-2020 Graphical symbols—Safety colours and safety signs—Part 5:Principles and requirements for the use of safety signs GB 2894-1996 Safety signs GB 2894-2008 Safety signs and guideline for the use GB 4053.1-1993 Safety requirements for fixed steel vertical ladders GB 4053.1-2009 Safety requirements for fixed steel ladders and platform—Part 1:Steel vertical ladders GB 4053.2-1993 Safety requirements for fixed steel oblique ladders GB 4053.2-2009 Safety requirements for fixed steel ladders and platform—Part 2:Steel inclined ladders GB 4053.3-1993 Safety requirements for fixed industrial protective railings GB 4053.3-2009 Safety requirements for fixed steel ladders and platform—Part 3:Industrial guardrails and steel platform GB 4053.4-1983 Fixed steel industrial platform GB 7231-2003 Basic identification colors and code indications and safety sign for industrial pipelines GB 12158-1990 General quideline for preventing electrostatic accidents GB 12158-2006 General guideline for preventing electrostatic accidents GB 12158-2024 General requirements for preventing electrostatic accidents GB/T 30578-2014 Risk-Based inspection and evaluation for atmospheric pressure storage tanks GB 30871-2014 Safety code of special work in chemical manufactory GB 30871-2022 Safety specifications of special work in hazardous chemicals enterprises GB 50058-2014 Code for design of electrical installations in explosive atmospheres GB 50128-2014 Code for construction of vertical cylindrical steel welded storage tanks GB 50726 AQ 3053-2015 Safety Technical Regulations for Horizontal Steel Welded Storage Tanks (cylindrical) \nHG/T 20570.19-1995 Setting up of fire arresters SH 3009 SHS 01012-2004 Maintenance and Overhaul Regulations for Concentrically Welded Steel Tank with Standing Atmospheric Pressure and Vertical Cylindrical Shape GB 2894-2025 Safety colours and safety signs GB 50140-2005 Code for design of extinguisher distribution in buildings GB 50187-2012 Code for design of general layout of industrial enterprises GB 50191-2012 Code for seismic design of special structures GB 50473-2008 Code for design of steel tank foundation GB/T 50493-2019 Specification for design of combustible gas and toxic gas detection and alarm for petrochemical industry GB 50650-2011 Code for design protection of petrochemical plant against lightning GB/T 30578-2025 Risk-based inspection and evaluation for atmospheric pressure storage tanks GB 4053.1-2025 Safety requirements for fixed metal ladders and platform—Part 1:Vertical ladders GB 4053.2-2025 Safety requirements for fixed metal ladders and platform—Part 2:Inclined ladders GB 4053.3-2025 Safety requirements for fixed metal ladders and platform—Part 3:Industrial guardrails and platform