Command diagram in construction drawings

CAD is the most widely used; some large organizations and engineering companies use 3D factory software, but it is not used in isolation either.

Command diagram? Heard of it for the first time. The scale of the pipeline layout diagram is 1:30; the text and annotations should be smaller, with a display height of 2.5–3. Detailed drawings and spatial diagrams are also required. Moreover, the requirements for floor plans are gradually decreasing; construction mainly focuses on spatial diagrams

Hello, OP! What is a command diagram?

I heard the term “command map” for the first time; is it something that’s hung in the headquarters? I guess all diagrams are still drawn using CAD; no matter how complex they are, as long as the drawing approach is clear, it’s possible to create them step by step

Most design institutes have purchased specialized CAD drawing software, which costs over 100,000 yuan per set; it is developed based on general-purpose CAD systems, offers a simple and fast drawing process, and comes with an encryption key.

It’s easy to encounter conflicts when using CAD; however, WorxPlant offers solid piping functionality along with a collision detection feature, which is very useful and helps reduce errors.

The term “command layout diagram” first appeared in the engineering design field of the chemical industry; it refers to the overall layout plan of a factory (including its vertical arrangement). This plan is developed by the factory layout specialists (also known as general layout and transportation specialists) after taking into account various requirements put forward by the professionals involved in the design, such as the layout of different equipment, the routing of pipelines and cables, the topographical and geological conditions of the site, transportation facilities, earthquake intensity levels, height restrictions due to aviation considerations, flood control needs for the factory, as well as safety and environmental requirements related to the surrounding area (which must be considered from both perspectives). The amount of earthwork required for site leveling is also taken into account. After comprehensive consideration and optimization, this design output is finalized. Before it is approved, it usually goes through four stages of approval (design, verification, review, and final approval), and the final version of the plan also requires collective approval. Therefore, its working cycle is very long, usually beginning before the design start report and ending at the conclusion of that design phase ； Its workload is also substantial; typically, 1 piece of 1# drawing corresponds to 35 standard working days ； It holds the highest authority, and all professional aspects as well as device arrangements must comply with it. Only if, as the design progresses, it is discovered that there are violations of its provisions or of industry-mandated standards (whereas recommended standards serve only as a reference), or if there are other reasons such as potential safety or environmental hazards that require modifications, can the designers in charge of plant layout make changes, after which a four-level approval process must be followed.

I had never heard of this term before; it’s part of the study of *

I’ve learned it.* I just used it in the past; I never really thought about the fact that \"usually, 1 piece of drawing of size #1 is equivalent to 35 standard working days.\" Thank you.

The English translation for command diagram is guiding drawing or master plan

The schematic design is a design stage that lies between the preliminary design and the construction drawings, and it represents the most important and complex phase of the project. It is necessary to take into account the coordination among various specialties; generally, the command diagram serves as an overview of the construction drawings. PDMS is used in many places, but it takes a lot of time; CAD cannot resolve collision issues and can only be used for making modifications during the design process

As the name implies, a schematic diagram serves as a planning tool that provides an overview of the entire system; it \"directs\" the layout of all pipelines and the installation of equipment, etc. It represents a very important step in the design process.

Piping diagrams are drawn using CAD; it’s necessary to consider dividing the drawing into sections – breaking it into smaller parts makes it easier to create. Patience is key