According to China's State Council's "Regulations on the Administration of the Quality of Construction Works"
Article 40
Under normal conditions of use, the minimum warranty period for a construction project shall be:
(1) For infrastructure works, foundation works of housing buildings, and the main structural works, for a period of the reasonable service life of such works as stipulated in the design documents;
( (ii) Roof waterproofing works, leakage prevention of bathrooms, rooms and external wall surfaces with waterproofing requirements, 5 years;
(iii) Heating and cooling system, 2 heating and cooling periods;
(iv) Electrical piping, water supply and drainage piping, equipment installation and decoration works, 2 years.
The warranty period for other items shall be agreed between the contractor and the contractor.
The warranty period for construction works shall be calculated from the date of completion and acceptance.
Chinese People's **** and State Ministry of Construction Decree No. 80
Measures for the Warranty of the Quality of Construction Works
Article 7
Under normal use, the minimum warranty period for housing and construction works shall be as follows:
One for foundation and main structural works, for the reasonable serviceable life of such works as stipulated in the design documents;
Two. Roof waterproofing works, waterproofing requirements of bathrooms, rooms and leakage prevention of external wall surfaces, for 5 years;
Three heating and cooling system, for 2 heating and cooling period;
Four electrical system, water supply and drainage piping, equipment installation for 2 years;
Five decoration works for 2 years.
The warranty period for other items is agreed upon by the construction unit and the builder.
According to the above administrative regulations and departmental regulations can be seen, the regulations require "waterproofing requirements of the bathroom, room" must be waterproof. In this "waterproofing requirements" can be understood as waterproofing needs! That is, there is water and sewerage room is necessary to do waterproofing.
In summary, the hotel kitchen is necessary to do waterproofing. And multiple leaks, running water to the third party's house, property damage should be based on the identification of the party at fault and the size of the responsibility to be compensated.
I hope it can help you. Please point out what is not right, thank you.