Tubing Schedule is a document containing list of instrument tubings which serves as impulse line, hydraulic/pneumatic supply and return line, process tubing such as chemical injection line, fusible loop. This document also shows details of tubing required for connecting between two points.
Minimum information provided in the tubing schedule shall consists of:
- Tubing tag number
- Description of source and destination points
- Tubing size
- Tubing wall thickness
- Tubing material
- Tubing length
- Tubing rating
The following document shall be referred during tubing schedule preparation:
- Instrument Hook-Up Drawing
- Instrument Tubing Block Diagram
- Instrument Tubing Network Diagram
- Instrument Tubing Routing Layout
- Fusible Loop Layout.
The purpose of Tubing Schedule
Tubing schedule is a reference in preparing Material Take-Off for procuring the material. Tubing schedule will be referred also during construction phase as a comprehensive installation list, however tubing length stated in this document should be verified at field before making any cutting.