2. All as-built drawings shall be stamped and signed by the preparation unit one by one. The signature in the completion stamp must be complete, and signature is not allowed.
3. For the as-built drawings prepared by the design institute, the completion stage must be clearly defined in the design countersignature, and signed by the draftsman and technical director.
4. The completion stamp shall be affixed to the blank space near the drawing mark.
5. As-built stamp shall use indelible red or blue inkpad.
Extended data
As-built drawings are an important part of construction project completion files, the main evidence materials after the completion of the project, the true portrayal of the building, the necessary conditions for project completion acceptance, and the basis for project maintenance, management, reconstruction and expansion. All new construction, renovation and expansion projects must be completed.
The compilation requirement is 1. If there is no change in the construction according to the construction drawing, the completion drawing preparation unit shall affix the completion stamp and sign it in the blank space near the construction drawing mark.
2, where the general drawings change, the preparation unit can directly redraw the construction drawing according to the design change basis, and affix and sign the completion stamp.
3, where the structural form, process, layout, engineering and other major changes and drawings change more than 40%, should be redrawn as-built drawings. The redrawn drawing must have a drawing name and a drawing number, and the drawing number can be numbered according to the original drawing.
4. As-built drawings must be compiled in the catalogue of as-built drawings of various disciplines. As-built drawings must be accurate, clear, complete, standardized and revised, and truly reflect the actual situation when the project is completed and accepted.
5. The drawings used to redraw the as-built drawings must be new blueprints or white drawings drawn by draftsmen. Copying drawings is not allowed.
6. As-built drawing units shall draw as-built drawings in accordance with the requirements of national architectural drawing specifications, and use drawing pens or signature pens and indelible drawing ink.