This specification applies to the planning, design, construction, acceptance, and maintenance management of new construction, expansion, and reconstruction of urban comprehensive utility corridor projects.
GB 50028 Code for Design of Town Gas*, 2020-04-16 Update
GB 50052 Code for design electric power supply system
GB 50057 Code for design protection of structures against lightning
GB 50058 Code for design of electrical installations in explosive atmospheres
GB 50093 Code for construction and quality acceptance of automation instrumentation engineering
GB 50116 Code for design of automatic fire alarm system
GB 50140 Code for design of extinguisher distribution in buildings (explanation)
GB 50166 Standards for construction and acceptance of automatic fire alarm system*, 2020-01-10 Update
GB 50168 Construction and acceptance standards for cable lines in electrical installation engineering*, 2018-11-13 Update
GB 50169 English version of 10 engineering construction standards including "Code for Construction and Acceptance of Grounding Devices in Electrical Installation Engineering"*, 2020-01-10 Update
GB 50174 Data Center Design Specification*, 2018-01-01 Update
GB 50202 Standard for acceptance of construction quality of building foundation*, 2018-03-16 Update
GB 50203 Code for acceptance of constructional quality of masonry structures
GB 50204 Specification for construction quality acceptance of concrete structure engineering*, 2015-09-01 Update
GB 50205 Code for acceptance of construction quality of steel structures*, 2020-01-23 Update
GB 50208 Code for acceptance of construction quality of underground waterproof
GB 50217 Design Standards for Power Engineering Cables*, 2018-02-12 Update
GB 50243 Code for acceptance of construction quality of ventilation and air conditioning engineering*, 2016-10-25 Update
GB 50264 Code for design of industrial equipment and pipeline insulation engineering
GB 50268 Code for construction and acceptance of water and sewerage pipeline works
GB 50275 Code for construction and acceptance of fan,compressor and pump installation
GB/T 50065 Code for design of ac electrical installations earthing
GB 50838-2015 history
2015GB 50838-2015 Technical code for urban utility tunnel engineering
2012GB 50838-2012 Technical code for urban municipal tunnel engineering