What proportion of labor costs, auxiliary materials costs, and machinery costs account for the entire installation project?

There is no fixed answer to this. If the equipment accounts for more, the proportion of labor will be less, and vice versa. Generally speaking, the labor installation and commissioning fee for a project with equipment installation accounts for 15% of the total cost. Generally, The water and electricity installation project will account for 20% of the total cost.

Installation engineering refers to the installation engineering of various equipment and devices.

Usually including electrical, ventilation, water supply and drainage, and equipment installation, etc. Industrial equipment and pipes, cables, lighting lines, etc. are often also included in the scope of installation projects.

To put it simply, installation projects are generally work between civil engineering projects and decoration projects.

The subject matter of installation project insurance is very wide, but like construction project insurance, it can also be divided into two categories: material property itself and third-party liability. Among them, the material property itself includes installation projects, civil construction projects, site cleanup fees, and other property of the owner or contractor on the construction site; third-party liability refers to any accidents that occur on the construction site during the validity period of the insurance. and nearby areas, the insured shall bear the liability for compensation according to law and the resulting litigation fees and other expenses agreed in writing by the insurer.