Teach you how to see the construction drawings

1. Prepare a set of drawings:

Drawings include: general plan, outdoor pipe network elevation (or section), site topography (generally missing these three maps); construction facilities, facilities, water spin, general facilities, and electrical facilities. It should be noted that there are several drawings that must be specially noted: building energy efficiency design instructions, fire design instructions, and basic design instructions.

Drawings attachments: review drawings, drawings, revisions, change orders, drawings, audit records, tender questions, construction team contact sheets on the drawings, and even calculations. If there is a design change during the design process, it is best to have an old picture. (These are conducive to the discovery of defects in the drawings, to understand the changes. It is very useful for on-site supervision. The calculation books are generally not sent to the engineers, but my latest experience is that engineers should have one).

Contracts, bills of quantities, and other contract attachments.

Others: geological survey report, red line map, municipal pipe network map (water supply and drainage power supply communication), road traffic map and so on.

Once this construction unit has made a large number of thick construction drawings, I personally think this is not a good practice and it is not easy to look at the map.

2. Read the general design instructions and prepare the appropriate atlas of standards, specifications, procedures, and standards.

3. Look at the master plan of the architectural design to understand the overall plan of the project.

4. The drawing changes, amendments and drawings, drawing review, and engineering team drawing questions are marked on the drawings.

5. Look at a floor plan of a building, compare the construction drawings (including slabs and columns) and professional construction drawings, calculate the distances between adjacent axes and mark them in the beam and slab drawings, and set up building accessories and professional pipelines. Tube positions and important professional configurations are marked with red pens in the slab chart.

6. Look at the foundation and foundation parts of the foundation construction drawings. And the basement part.

7. Look at the plan of the construction project, compare the size of the door and window with the door and window table, and find out which of the construction facilities are to pay attention to in the main construction of the structure, such as partition walls, shear wall openings, and drift boards. , decorative lines, etc., and marked in the beam diagram.

8. Look at the application: 1 Find the wall column beam code in order, 2 mark the wall column beam reinforcement in the corresponding plan view, 3 mark the different reinforcements and cross-sectional dimensions of the symmetrical part of the same plan, so that Special considerations during the inspection, 4 will be designed in different places where changes occur, to be identified, and marked, 5 contrast construction, professional construction drawings, view the axis and components and structures have not filled place, see There is no need to pay special attention to the place and logo, 6 stairs at the control of the plan, section diagram, the size of the one by one accounting, 7 in particular with the elevator roof drawings related drawings.

9. Comprehensively look at the construction, elevation, section construction drawings and door and window tables of Jianshi, mark the changes in the surface of the table on the floor plan.

10. Take the drawings to the construction site for comparison and inspection, and check and acceptance. This is very critical. The general engineers do not take the drawings to the site to compare them. This is an irresponsible performance of the work. , and identify and record construction defects and difficulties.

In the construction process, I constantly look at the drawings and look at all the professional construction drawings. I need to consult the corresponding atlas of standards, norms, procedures and standards in a timely manner and mark them on the corresponding drawings. Daily record of drawing problems found, whether it is the construction party, Party A, supervisor or designer. Any inconsistencies with the construction drawings are also recorded, including those that have been corrected. Questions must be asked about the construction team and where there is a dispute. Subcontracting with the place where the controversy occurred should also be remembered. The omissions and mistakes in the design must be remembered whether or not there are written documents. After the construction is completed, it is best to write a drawing summary.

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