Legal analysis: most of the projects in the quality assurance fund reserve rate does not exceed five percent, the latest provisions of the engineering quality assurance fund is three percent. Contract terms involving the following matters of the warranty is best agreed upon in advance: the proportion of the warranty reserve, the return period and method; whether the warranty interest, such as interest, the calculation of interest; the specific scope of the warranty, defects in the period of responsibility and calculation. There is no requirement to set aside the proportion of the project quality guarantee deposit, according to the total amount of the settlement of the project price of about five percent of the proportion of the deposit, social investment projects can refer to the implementation. However, for some new or risky projects, the contractor will set aside a large percentage of the construction quality guarantee fund as a risk control measure for its projects.
Legal basis: "Quality Assurance Fund for Construction Projects" Article 7 The contractor shall reserve a security deposit in accordance with the contractual agreement, and the total percentage of the security deposit reserved shall not be higher than 5% of the total amount of the settlement of the project price. The contract agreed by the contractor to the bank guarantee instead of reserve deposit, the amount of the guarantee shall not be higher than 5% of the total amount of the settlement of the project price.