When does the warranty period of the construction project begin?

"The warranty period of the construction project is calculated from the date when the project is completed and accepted." At the same time, the "Measures for Quality Warranty of Housing Construction Projects" stipulates: "The warranty period of housing construction projects is calculated from the date when the project fails to pass the acceptance. The construction unit shall be responsible for the repair of construction projects with quality problems or construction projects that fail to pass the final acceptance. The warranty period of the construction project shall be calculated from the date of completion of the project. The warranty period of housing construction project is calculated from the date when the project is completed and accepted.

The so-called project completion acceptance date means that all subsequent completion acceptance documents can be regarded as qualified only after the site acceptance is completed and signed by the construction unit, the design, construction, equipment supply unit and the project quality supervision department. The date is subject to the full completion time.

(a) the reasonable service life of the building foundation engineering, foundation engineering and main structure engineering specified in the design documents;

(2) 5 years for roofing waterproof works, toilets, rooms and external walls with waterproof and anti-leakage requirements;

(3) heating and cooling system, which consists of two heating periods and a good brother cooling period;

(four) electrical pipelines, water supply and drainage pipelines, equipment installation and decoration works, for 2 years.

The warranty period of other projects shall be agreed by the employer and the contractor.

The warranty period of the construction project shall be calculated from the date when the project is completed and accepted.

In case of quality problems in construction projects within the warranty scope and warranty period, the construction unit shall fulfill the warranty obligations and be responsible for the losses caused. Construction project quality warranty fund refers to the funds agreed by the employer and the contractor in the construction project contract for repairing the quality defects of the project within the warranty period and warranty scope. The warranty period is calculated from the day after completion/handover acceptance.