The calculation of hydropower slotting workload is divided into two cases: changing the project and recording slotting workload. In the project budget and final accounts, the quantity of water and electricity slotting is included in the corresponding quota project and is not calculated separately.

Take the workload of slotting operation that needs to be refined as a column to explain: according to the slotting position and the texture of the top surface of the wall (referring to concrete and brick structure), the slotting length is calculated as required, and the box holes are measured according to the number and size; Budget control can be carried out according to the number of pipelines and boxes on the drawings; If the actual settlement of home improvement is usually based on the unit price of the area; The quantity of changed works is usually measured by visa man-days, and it is not necessary to list the workload in detail.