Standard Specification for Fire Pipelines

Legal analysis: (1) When hot-dip galvanized steel pipes are used in the fire hydrant water supply system, welding should not be used. When the pipeline of the system adopts the pipeline with non-corrosive inner wall, it can be welded, but the pipeline welding should meet the relevant requirements. The pipeline of automatic sprinkler system (behind the alarm valve) cannot be welded, and it should be connected by thread, grooved pipe joint or flange.

(2) The galvanized steel pipe with the pipe diameter of _ 100mm for hydrant water supply system is connected by flange or groove. Automatic sprinkler system _ 100mm pipe diameter is not clear, so threaded connection cannot be used. Only the pipe section with the pipe diameter of 100mm should be provided with flange connection or groove connection point at a certain distance.

Legal basis: Regulations of People's Republic of China (PRC) Municipality on Property Management.

Twenty-ninth in the property acceptance procedures, the construction unit shall hand over the following information to the property service enterprise:

(a) the completion of the general plan, single building, structure, equipment completion drawings, supporting facilities, underground pipe network project completion drawings and other completion acceptance data;

(2) Technical data such as installation, use and maintenance of facilities and equipment;

(three) property quality warranty documents and property use documents;

(four) other information required for property management. When the prophase realty service contract is terminated, the realty service enterprise shall hand over the above information to the owners' committee.

Thirtieth the construction unit shall, in accordance with the provisions, configure the necessary property management space in the property management area.

Article 31 The construction unit shall undertake the warranty responsibility of the property according to the warranty period and scope stipulated by the state.