Party A: Party School Dormitory Property

Party B: Liu Junlin

In order to ensure the quality of roof leakage repairs, the following agreement is signed to ensure that both parties agree to abide by it:

1. Maintenance standards and requirements

1. Party A and Party B sign this contract on a voluntary basis.

2. Maintenance standards: Party B follows the maintenance method agreed upon by both parties: using sand mixed with magnesium oxide

process, with a double-layer reinforcement net in the middle (during the initial negotiation, the two parties agreed at that time to After adding a single layer of mesh, in order to ensure the effect, Party B recommends adding a double layer of mesh, so the unit price increases to 19 yuan/㎡), and the thickness is about -----㎝.

3. Maintenance period: Under normal weather, Party B must complete the work within 5 days.

4. Warranty period after repair: The warranty period is calculated from the date Party B completes the repair. In the absence of external or man-made damage, the minimum warranty period of the roof waterproofing project is 7 years, that is, the warranty continues for 7 years after repair.

5. Maintenance requirements: Party B must ensure that the safety of residents is not affected during maintenance.

Party B must be responsible for the safety and quality of the construction site and be responsible for all accidents caused. Party B is responsible for it. At the same time, they must obey Party A's construction management of the project and be responsible for cleaning up the debris caused by the project after completion.

6. Division of labor between the two parties: Party A is responsible for the preparation of 7 cubic meters of sand and the cost of transporting all engineering raw materials

to the roof, as well as the cost of dismantling and moving the solar energy. 7. Payment of maintenance project payment: After the project is completed and Party A passes the inspection and acceptance, Party B must pay Party B the project payment on time.

8. This contract shall take effect when signed and sealed by both parties.

Party A:

Year Party B: Day Month