SECTION 20.0

Systematic commissioning sequence from pre-commissioning punch-list closure through utility start-up, catalyst loading, plant start-up, to the 72-hour Performance Guarantee Test.
M20–M21
Pre-Commissioning
Punch-list, loop checks
M21–M22
Utility Commissioning
IA, CW, DM, Steam, Power
M22–M23
Catalyst & Start-up
Loading, drying, first fire
M23–M24
PG Test
72-hr continuous test
| St. | Check Item |
|---|---|
| All welding complete, NDE accepted, NCRs closed | |
| Catalyst support grids installed and leveled | |
| Refractory lining cured (minimum 72 hrs) | |
| All flanged joints torqued to spec | |
| Instrument loop checks complete (100%) | |
| Interlock function test complete | |
| Insulation and cladding complete | |
| Painting complete (touch-up after hydrotest) |