to protect the wiring and seperate the wiring

Consult the mechanical designer for the project. Instrument mechanical hook-up drawings, showing the correct and standardised methods of doing this, should be available for the instrumentation designer's reference from some form of library.

1. Cable laying

2. Elbows etc have caps in inst lines enables or eases troubleshooting repairing , removing cables if its without these its extremely difficult to remove the wires with multiple bends and more cores going in

3. For Structured laying and identification and saperation

4. These are also to be provided with drains.

5. You can refer to the older installation drawings for further details,.