What are the acceptance procedures and standards for home improvement waterproofing?

Waterproof acceptance closed water test acceptance process:

1. Make a 10 cm high water retaining wall at the door of the room for acceptance.

2. Put water 8 cm deep in the room and mark the height of the water surface.

After 3.24 hours, observe whether the water level has changed, and check whether the ceiling of the same room downstairs has water seepage.

4. If the above phenomenon does not appear, it can be considered that the waterproof project has passed the construction acceptance.

5. If the above phenomenon is found through inspection, it can be considered that the waterproof project is unqualified.

6, such as unqualified acceptance, waterproof engineering must be redone as a whole, acceptance again.

Acceptance criteria:

1, closed water test time, at least 24 hours in summer and at least 48 hours in winter.

2. Observe whether the water surface drops significantly within the specified time, especially whether there is leakage on the roof of the downstairs house, so as to check whether the waterproof construction is qualified.

3. The light wall should be sprayed with water. After 4 hours, observe whether there will be infiltration on the other side of the wall. If there is no infiltration, it is accepted.

Extended data:

Matters needing attention in waterproof acceptance

1, waterproof layer

Closed water test For the original waterproof layer, the closed water test can tell whether the waterproof layer is intact, whether it needs to be repaired or not, and whether it needs to be redone. The newly made waterproof layer can be used to check whether the waterproof construction is qualified.

2, waterproof coating

The closed water test must wait until the waterproof coating is dry.

3. Time and depth

Water should be soaked in all ground cover water for testing, generally 5 cm. If you are afraid that water will evaporate in the next 48 hours, it is generally 8cm.

4, the kitchen and bathroom waterproof

Waterproofing here refers to the waterproofing of kitchens and bathrooms. Of course, some of the houses currently delivered have been declared in advance to be waterproof and need to be renovated.

5. Water and electricity

First, check whether the water and electricity in the house are connected. For some advanced decoration, most water and electricity are replaced later. Wire inspection, in addition to seeing whether it is electrified, mainly depends on whether the wire meets the national standard quality. Then there is whether the cross-sectional area of the conductor meets the requirements.

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