What are the conditions for opening natural gas in Yuzhong District, Chongqing?

Resident customers’ application for ventilation and ignition procedures: \x0d\1. Must present valid identity certificate; \x0d\2. My house property certificate (house management certificate, house mortgage contract or other legal certificate of house ownership) ;\x0d\3. Customers who install water heaters must hold the qualification of the installation unit (with a fresh seal) and the installation personnel's job certificate;\x0d\4. Customers who modify the pipes behind the gas meter must hold a copy of the construction qualification of the construction unit ( (stamped with a fresh seal), as-built drawings, and the "Self-inspection Certificate for Indoor Surface and Rear Gas Pipeline Installation". It is recommended to obtain the installation material certificate from the construction unit, the image data before and after the installation of some concealed works, and to the gas group Provide a "Safety Responsibility Commitment Letter". \x0d\\x0d\Qualification requirements for the construction unit of the pipeline installation project behind the gas meter:\x0d\According to the "Urban Gas Management Regulations" and other laws and regulations, the installation of indoor gas projects must have one or more of the following qualifications:\x0d\( 1) General contracting of municipal public engineering construction;\x0d\(2) Professional contracting qualifications for pipeline installation;\x0d\(3) Professional contracting for mechanical and electrical equipment installation;\x0d\(4) Professional contracting enterprise qualifications for building decoration and renovation projects. \x0d\\x0d\If it is a community house, natural gas will already be connected when the house is handed over. \x0d\To avoid the following common indoor violations and hidden danger categories:\x0d\1. Gas pipelines are corroded and may have perforations and leaks. \x0d\2. Install, dismantle or modify gas pipelines, gas meters and other equipment without permission from the gas company. \x0d\3. Gas risers are laid in bathrooms and bedrooms. \x0d\4. The gas riser is packaged and has no vents; the gas riser is packaged and connected to the ceiling of the room; the horizontal gas pipe is packaged and has no vents. \x0d\5. The horizontal clear distance between the gas meter and the burning appliance is less than 300 mm. \x0d\6. Direct-discharge water heaters are installed indoors; flue-type water heaters do not have a dedicated flue leading to the outdoors; gas facilities (water heaters) are installed in bedrooms or bathrooms. \x0d\7. The gas hose connected to the stove is longer than 2 meters or has a joint. \x0d\8. The gas hose is an oil-resistant rubber pipe, and the gas hose passes through walls, doors, and windows. \x0d\9. The connections between gas hoses and stoves and water heaters are not clamped with special pipe clamps. \x0d\10. The gas hose has been used for more than 18 months or has become hardened and aged. \x0d\11. There is no vent at the bottom of the built-in stove. \x0d\12. The gas pipeline is buried in the wall or under the floor. \x0d\13. There is a second fire source such as a coal stove or liquefied gas cylinder in the kitchen.