1. Filling method:

The supervisor needs to fill in the form: whether it combines the design requirements and whether it meets the quality requirements, just sign and stamp it.

2. A brief introduction to hidden projects:

The so-called "hidden projects" are construction projects that are hidden after decoration and cannot be seen on the surface. Depending on the decoration process, these "hidden projects" will be covered by the next process, so it is difficult to check whether the materials meet the specifications and whether the construction is standardized. Concealed works refer to the works laid inside the decorative surface. The hidden projects of home decoration mainly include six aspects: water supply and drainage engineering, electrical pipeline engineering, floor base, wall panel base, door and window cover base, and ceiling base. Concealed projects refer to projects such as foundations, electrical pipelines, water supply and heating pipelines, etc. that need to be covered and covered up. It should also include: sub-projects of the foundation: concrete, steel bars, brick masonry, etc. and steel sub-projects of other parts: roof projects, leveling layer, insulation layer, heat insulation layer, waterproof layer, etc.