This procedure is based on the Hebei Provincial Department of Construction's "Notice on Issuing the "First Batch Preparation Plan for Provincial Engineering Construction Standards and Standard Design in 2006" (Ji Jianzhi [2006] No. 046), and is issued by the Tangshan City Construction Engineering Quality Supervision and Inspection Station Prepared jointly with relevant units. During the preparation process of this procedure, the preparation team conducted extensive investigations and research, summarized the practical experience of construction quality acceptance of municipal infrastructure projects in Hebei Province, and adhered to the principles of "separation of inspection and evaluation, strengthening acceptance, improving means, and process control" The guiding ideology was reviewed and finalized by the Hebei Provincial Department of Construction. This regulation mainly includes general principles, terminology, basic regulations, construction measurement, earthwork engineering, civil engineering, outdoor gas pipeline installation, gas pressure regulating device installation, indoor gas pipeline installation, gas stations, gas instrument installation, insulation anti-corrosion and insulation, functions The main content of construction quality acceptance such as sexual testing. There are also 5 appendices, which mainly contain forms and other contents frequently used during quality inspection and acceptance at construction sites. This procedure should be used in conjunction with the "Uniform Standards for Acceptance of Construction Quality of Municipal Infrastructure Projects" (DB13(J)53-2005) and "General Procedures for Acceptance of Construction Quality of Municipal Infrastructure Projects" (DB13(J)54-2005). This procedure Applicable to newly built, renovated, and expanded urban gas pipelines and equipment installation projects within the jurisdiction of Hebei Province. Urban gas pipeline and equipment installation projects with special requirements should still be implemented in accordance with this regulation except for special requirements. Note: Urban gas. Including natural gas, artificial coal gas, and liquefied petroleum gas.