1. No test of water and drainage.

2. Lack of nail plates.

3. Water and drainage system not protected from freezing.

4. Water heaters in attic.

5. Building sewers not properly bedded.

6. Lack of fall on drainage system.

7. Lack of pipe hangars or supports.

8. No drain pan under water heaters.

9. No backflow preventer or vacuum breaker.

10. Piping configuration non-code complying.