House Prefabricated Extension Contract Template

The following is the core content and description of the house prefabricated extension contract template:

I. Contract Subject Information
The names, domiciles, legal representatives, contact information, and unified social credit codes of both Party A and Party B must be clearly specified to ensure the legal validity of the subject qualifications. For example:

• Party A (Employer): Fill in the complete name, address, and legal representative information.
• Party B (Contractor): Must possess the qualifications for the production and construction of prefabricated components, and the information must be consistent with the business license.

II. Contract Object

1. Scope of Work:
   • Clearly specify that the extension method is "prefabricated component wall, floor slab, and roof extension," with a total height not exceeding three floors and an increase in building area of 180 square meters.
   • Design drawings must be attached as an appendix to clarify the extension location, structural form, and load requirements.
2. Material Standards:
   • Prefabricated components must comply with the requirements of the "Technical Specification for Assembled Concrete Structures" (JGJ 1-2014). The reinforcement strength grade (e.g., HRB400) and concrete strength grade (e.g., C40) must be clearly indicated.
   • Party B must provide material qualification certificates and test reports.

III. Contract Price and Payment

1. Total Amount: The tax-inclusive price is 6,400,000.00 yuan (13% VAT), and it must be specified whether it includes design, transportation, installation, and other fees.
2. Payment Method:
   • Payment shall be made in four installments: 30% within 5 days after the contract is signed; 40% upon completion of the main structure; 25% after completion acceptance; and 10% upon expiration of the warranty period (usually 2 years).
   • An equivalent VAT special invoice must be provided for each payment.
3. Settlement Method:
   • Settlement shall be based on the actual work volume. If design changes result in an increase or decrease in the work volume by more than 5%, both parties shall renegotiate the unit price.

IV. Performance Period and Location

1. Construction Period: The total construction period is 480 calendar days, with clear stages specified for the production of prefabricated components (60 days), hoisting and installation (120 days), and acceptance preparation (60 days).
2. Project Location: The specific address (e.g., xx Street xx Number) must be provided, and it must be noted that Party B is responsible for the material entry and stacking area.
3. Risk Transfer: After the prefabricated components enter the site, the risk is borne by Party A, but Party B must ensure transportation safety.

V. Inspection, Acceptance, and Quality Assurance

1. Acceptance Standards: The acceptance shall be carried out in accordance with the "Unified Standard for Construction Quality Acceptance of Building Engineering" (GB50300-2013).
2. Acceptance Procedure: The acceptance shall be divided into three stages: hoisting of prefabricated components, main structure, and completion acceptance, with representatives from both parties signing for confirmation.
3. Quality Objections: Party A must raise written objections within 3 days after acceptance; otherwise, it shall be deemed qualified. Party B must provide free maintenance services during the 2-year warranty period.

VI. Other Clauses

1. Force Majeure: If the construction period is delayed by more than 60 days, the contract may be terminated through negotiation, but meteorological or government documents must be provided as proof.
2. Dispute Resolution: It is recommended to agree on an arbitration or litigation jurisdiction (e.g., the court at the location of Party A).
3. Supplementary Agreement: Matters not covered herein may be covered by a separate supplementary agreement, which shall have the same effect as this contract.

Notes: The terms must be adjusted according to the actual project when used, and a lawyer must review them to avoid legal risks.