Sequence of execution- A/G piping insulation + heat tracing + painting

Dear Construction planner,

Is there soemone there who can confirm the work sequence for activities mentioned in the subject:

AFTER A/G piping installed, the sequence is as follow:

First painting (except the welds)

Second , install heat tracing (if aplicacble).

Third, hydrotest

Fourth, reinstament + final painting.

Final , Insulation.

Is this correct ??? any skilled construction planner out there.

Thanks in advance,

Carmen