GB 55027-2022Project code for urban and rural sewerage (English PDF)

GB 55027-2022 (Project code for urban and rural sewerage) is available as an English-translated PDF.

GB 55027-2022 — 1.0.1 In order to promote the construction of ecological civilization and sustainable development, implement the concept of sponge city construction, improve the water environment, ensure drainage safety, and promote the utilization of water resources, this specification is formulated.

1.0.2 Urban and rural drainage projects must implement this specification. 1.0.3 The planning, construction and operation of drainage works shall follow the following principles.

1 Coordinate the ecological environment management and urban and rural construction of the regional watershed, protect and restore the natural accumulation, natural infiltration and natural purification capabilities of the ecological environment, reasonably control the intensity of urban development, and meet the requirements of the blue line and water surface rate.

Realize the effective collection and treatment of domestic sewage and the safe treatment and disposal of sludge; 2 Coordinate the use of water resources and disaster prevention and mitigation, improve the infiltration, stagnation, and storage capacity of rainwater in cities and towns, make full use of recycled water, and strengthen the storage and utilization of rainwater.

3 Coordinate flood control and urban drainage and waterlogging prevention, improve the level of urban rainwater system construction, and strengthen the system connection between urban drainage and waterlogging prevention and river basin flood control.

1.0.4 Drainage projects should strengthen scientific and technological research, give priority to the adoption of new technologies, new processes, new materials, and new equipment that have been proven in practice and have technical and economic advantages, improve the collection and treatment efficiency of drainage projects and the level of waterlogging prevention and control, and promote resource recycling.

Improve the level of scientific management and intelligence to achieve energy saving and consumption reduction throughout the life cycle. 1.0.5 Whether the technical methods and measures adopted in the project construction meet the requirements of this specification shall be judged by the relevant responsible parties.

Among them, innovative technical methods and measures should be demonstrated and meet the performance requirements in this specification.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 46 pages — is available in the English PDF.

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