What is the difference between construction drawings and as-built drawings?

Construction drawings are created by designers based on the design plans and preliminary drawings, with detailed construction, schematic, and specification information added to them, in order to guide all aspects of the building construction process. As-built drawings are the plans created by designers after a building is completed and approved, based on its actual condition; they reflect the final state and true characteristics of the building, including detailed information on aspects such as structure, materials, and dimensions. Therefore, the main difference between the two is that construction drawings are design plans prepared before building construction, while as-built drawings are records and summaries made after the building is completed. .

Construction drawings can be upgraded, while as-built drawings have only a final version. As-built drawings can be prepared by the construction contractor, the design institute, or even the project owner.

Do the standard specifications specify who is responsible for preparing the construction drawings and as-built drawings, and is it required to have relevant qualifications? It’s not just a matter of having the ability to draw; are there any requirements regarding qualifications as well?

First of all, please do not confuse construction drawings with as-built drawings; it has been clearly explained on the 2nd floor. 2. Construction drawings must possess design qualifications appropriate for the project; drawings prepared by those without such qualifications or whose qualification scope is insufficient are invalid. 3. There are standard specifications for preparing as-built drawings, and these drawings must be prepared in accordance with those standards. However, there are no qualification requirements for the party responsible for producing the as-built drawings.

Construction drawings are the design documents used for construction, while as-built drawings represent the results of the construction work once the project is completed. As-built drawings can be prepared by the design firm or by the construction company

Conceptually, construction drawings and as-built drawings are two different types of drawings (see Floor 2); in practice, however, construction drawings, as-built drawings (and design drawings) can be the same physical document. The common practice is to carry out construction according to the drawings; once completion is achieved, the construction party stamps the drawings with a completion mark, at which point they become as-built drawings ； If there are any changes during construction, indicate the basis for the change on the drawings (design coordination signatures, new design/construction drawings, etc.). Many design firms do not distinguish between design drawings and construction drawings. After completing the design, a copy for own retention ； A copy to be submitted to the constructor as a design plan ； A set is submitted by the client to the contractor as construction drawings; after completion, it is modified to become as-built drawings ； There is also one copy kept for the constructor’s archives (which can sometimes cost money)

What was said on the 7th floor was very professional. Advanced mode