Construction drawing review, like design work, needs correct guiding ideology and methods to solve problems. Teacher Zhu Bingyin said that a qualified designer must know the specifications, learn the specifications skillfully and make good use of the specifications. To be a qualified drawing reviewer, I think five things should be done: "study carefully, thoroughly understand the specifications, judge accurately, calculate by computer and hand, and put integrity first". The summary is as follows:

1. Study hard and practice hard.

Most of the judges are engaged in design work at first. The biggest difference between review and design is that review focuses on experience and understanding of specifications, while design focuses on structural concepts and systems, computer calculation (PKPM software) and manual calculation; Design needs to be innovative, and drawing review needs to be conservative, so drawing reviewers don't need high IQ, but they must study hard and practice hard. It is good to remember more than 300 mandatory provisions related to structure. It's hard to read and turn over every day, so it's good to remember which page of this manual when you use it. In addition, with the acceleration of specification updating and the replacement of old and new knowledge, drawing reviewers need to keep learning, accumulating and receiving re-education.

2. Thoroughly understand the specification

Specification is the crystallization of the collective wisdom of industry experts and the summary of past experience and mature technology. The reviewer should not only master the specifications, but also thoroughly understand the specifications, especially the mandatory provisions, which are the "standards" of the reviewer. To carefully understand the provisions (direct or implied) behind the provisions, we should not only know why, but also know why.

Accurate judgment

Norms are dead, drawings are alive, and mastering norms is not blindly following norms, nor is it blindly picking norms. This requires the inspectors to combine the specifications and drawings organically, and make an accurate judgment on the structural safety problems existing in the drawings, especially those that violate the mandatory provisions. For example, some senior reviewers can see the problems in the drawings at a glance, which is the gap and needs long-term training and experience accumulation.

4. Manual calculation

Both computer calculation and manual calculation require reviewers to be not only familiar with computers, but also have strong manual calculation ability. On the basis of rechecking the calculation results given by the structural software, the checker found problems through further manual calculation, and prevented someone from modifying the data in the calculation book, muddled through and left hidden dangers for the project.

5. Honesty comes first

Last but not least, if an inspector lacks integrity, he is an unqualified inspector no matter how high his level is. In line with the purpose of being responsible for the government and the owners, testing institutions need inspectors to be not only superior, but also pragmatic, not perfunctory about design drawings, not difficult for designers, and honesty first.

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