Pipe Flexibility and Supports

EXHIBIT 11-15 Battery Umit Valving Single-Level Rack (Process/Off-Site Common Elevation) 

Establishing potential flexibUity problems The lines that would most likely require expansion loc ould be defined Steam headers in the top level of the pipe rack are such exan les. 

Battery Limit Valving Two-Ixvd Rack ( Process/0 f-Site Elevation Change) 

Header growth causes another problem that is often not as obvious. The line spacing chart may have been used to set distances between lines, or lines may have been set dose to a column. Exhibit 11-8 reveals that the movement of a line must not be restricted by 

---

The final step in the plot plan arrangement is to space equipment and supporting facilities for operator and maintenance access, safety, piping flexibility and support, and platforming requirements. At this stage, the layout designer must rely on experience because the final information is not available for calculating... 

---