What parts of the building are maintained by the property?

Public facilities and equipment in public areas. Specifically: (1) the waterproof layer of the roof is damaged and the top floor room leaks water; (2) Rainwater leakage occurred on the external wall of the building, which caused the internal surface of the external wall to be soaked; (3) The cracking, shedding or hollowing rate of the exterior decorative layer on the exterior wall of the building exceeds the value specified in the corresponding national standards and codes; (four) the building insulation layer is damaged or falls off, or the internal surface of the external wall is wet, dewy, frosted or moldy due to poor building insulation; (5) Cracking, rust, blistering, peeling, falling off and pollution of external walls, stairwells and corridors; (6) The windowsill, porch overhangs, stair treads, handrails, maintenance walls and courtyard doors in public areas are damaged; (seven) the doors and windows or screens in public areas are damaged; (eight) other circumstances in which the housing parts need to be maintained, updated and transformed. Maintenance, renewal and transformation of residential facilities and equipment include: (1) maintenance or replacement of elevators and main components; (two) lightning protection facilities can not meet the safety requirements; (three) monitoring facilities, fire control system dysfunction or serious damage to some equipment and components; (four) the drainage (sewage) equipment in the building fails, the drainage pipeline leaks, is seriously corroded, the sewage pump is corroded or other equipment is damaged; (five) the secondary water supply facilities such as water tanks and pump houses are damaged and need to be repaired, updated and transformed, except that they shall be borne by the water supply enterprises according to law or in accordance with the contract; (six) other circumstances in which residential facilities and equipment need to be maintained, updated and transformed.