1. Reconnaissance must be conducted and distributed (range, depth, size, etc.). ) of the cave should be found out. High-rise buildings should generally avoid caves, or pile foundations should pass through caves and enter stable bearing stratum.

2. Because the investigation report is seriously inconsistent with the actual situation, we should thoroughly understand the foundation situation and conduct the second exploration. Moreover, there are caves and underground rivers.

3. Many high-rise buildings should avoid caves and fill them if they can't.

Extended data:

1. Choose a good construction team and have a sketch.

2. In order to ensure the construction quality, the construction supervisor prepares materials such as steel, brick and cement.

Building a house involves taking up public roads, and neighborhood relations should be handled well. Write a construction contract, so that there is evidence to talk about when settling accounts, and avoid problems in settlement.

When building a house, you must design underground pipelines, so as to solve the problem once and for all, otherwise you will be in big trouble.

5. Do you forget to pay off when building a house? Make sure the walls are vertical.

6. Prepare doors and windows for the building, and reserve the size of doors and windows.

7. If building a house is a building construction, we should pay attention to the shading problem of neighbors and deal with the area and structure of our own building reasonably.