How to Settle the Door and Window Project


The project completion settlement report is defined as the settlement report according to the prescribed settlement method after the project is completed and accepted:

1. After the completion of the project, the construction unit shall submit the project statement at completion and related materials, and submit them to the project quality supervision station after being signed by the supervisor.

2. After the acceptance of the project quality supervision station is qualified, the project quality supervision station issues the completion acceptance report.

3. The completion settlement report does not have to be submitted after acceptance. It can be submitted in advance. After review, project settlement is a matter that must pass the acceptance. The definition of the project completion settlement report is the settlement report according to the prescribed settlement method after the project is completed and accepted.

Main calculation rules and formulas of door and window quantities:
1. Aluminum alloy doors and windows, color plate corner doors and windows, plastic steel doors and windows are installed in square meters according to the opening area. Wooden door leaf of the purchased finished products are installed based on the net area of the purchased door leaf.
2. All kinds of wooden doors and windows production and installation quantities are calculated in square meters according to the opening area of doors and windows.
3. The quantities of connecting doors and windows should be calculated separately. The corresponding quota of doors and windows should be applied, and the width of the window should be calculated to the outside of the door frame.
4. Frameless windows is calculated by the peripheral area of the fan.
5. Roller shutter the installation is calculated in square meters by multiplying the height of the opening by 600mm and the actual width of the door. The installation of electric device is calculated by set, the installation of small door on rolling door is calculated by fan, and the area of small door should be deducted.
6. Doors and windows are covered with galvanized iron sheet, which is calculated in square meters according to the area of doors and windows openings; Doors and windows are covered with galvanized iron sheet, nail rubber strip and nail felt are calculated in extension according to the size of doors and windows openings shown in the figure.
7. The stainless steel plate covered on the door and window frame is calculated in square meters according to the expanded area of the stainless steel plate. The metal surface or soft cover surface on wooden door leaf is calculated based on the net area of the door leaf.
8. If there are semicircular windows on the upper part of ordinary doors and windows, the quantities shall be calculated according to ordinary windows and semicircular windows respectively, and the calculation shall be bounded by the upper edge line of the horizontal frame between ordinary windows and semicircular windows.
9. Frameless glass door is calculated according to the area of its opening. When some of them are fixed doors and some are open doors, the quantities should be calculated separately.