CJJT 250-2016 Technical Code for Crossing and Overpassing of Urban Gas Pipelines

In accordance with the requirements of the Ministry of Housing and Urban–Rural Development’s Notice on Issuing the “2009 Plan for the Formulation and Revision of Engineering Construction Standards and Specifications” (Jianbiao [2009] No. 88), the drafting group, after conducting extensive surveys and research, carefully summarizing practical experience, and referencing relevant international standards and advanced foreign standards, has prepared this code based on broad solicitation of opinions.

　　In accordance with the requirements of the Ministry of Housing and Urban–Rural Development’s Notice on Issuing the “2009 Plan for the Formulation and Revision of Engineering Construction Standards and Specifications” (Jianbiao [2009] No. 88), the drafting group, after conducting extensive surveys and research, carefully summarizing practical experience, and referencing relevant international standards and advanced foreign standards, prepared this code on the basis of widely soliciting opinions.

　　The main technical contents of this code are: 1. General Provisions; 2. Terms and Definitions; 3. Basic Requirements; 4. Design of Crossing Works; 5. Construction of Crossing Works; 6. Design of Overhead Crossing Works; 7. Construction of Overhead Crossing Works; 8. Testing and Acceptance.