<h1>For the big guys in the engineering industry, there are more projects than bridges that have been done in the past few decades, and this article throws bricks and stones, for newcomers who have just entered the industry, popularize the ideas and concepts in this regard. Where things are not said correctly, industry leaders are welcome to correct and publish suggestions in the comment area. Reviews have gifts Oh!
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Overview-
Taking construction projects as an example, the general developer, that is, the owner, has obtained the ownership of the construction through bidding and bidding, which is a veritable first party A. At this time, it is necessary to find a design unit (general local survey and design institute) to come up with a design plan, which is the role of the designer. Ideas and plans are available, it is necessary to send the construction of the project to the general contractor through bidding, which is party B and qualified engineers, which can also be understood as the creation of works!

But Party A is not able to not work, according to the relevant specifications, must be strictly controlled in the whole process of safety, quality, then the need for the whole process of consulting units to cooperate, at the same time need to set up a supervision department, the materials, construction process supervision! It should be popular after all, but it seems not rigorous enough.
The general contracting unit generally has considerable strength and qualifications, but some on-site work needs to be subcontracted to suppliers in different fields, after all, an industry is very complex, construction teams, materials, etc. through the cost of the project cost and other cost control, not only to ensure that the construction period is not delayed, but also profitable.
So the relationship is relatively complicated, but the path is very clear and clear, the formula is as follows -
Owner A (developer) - B general contractor (construction unit) - C subcontractor (construction unit) - D Suppliers at all levels (materials, equipment, technology)
Basically, in order to seek simplicity, so the specific aspects of it are not explained much, and industry leaders welcome to issue suggestions! In short, each role needs to be qualified by excellent technical qualifications, the construction unit must be performance, and the construction unit needs qualifications and talents. Well, the building is built and the role will change.
At this time, the developer is Party B, and the person who buys the house is Party A. At the same time, after-sales units such as property management companies are responsible for management. When you buy a house, there is a public maintenance fund, which is actually equal to the cost of your subsequent maintenance of the house, of course, part of it.
The above focus is to introduce the basic role relationship in the project, and hope that newcomers can learn from it.
Thanks for reading!
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