How do you open an inground plaster pool?

For my pool, I do the following:

Pool Opening:

Add water to above skimmer

Open heater and connect heating port inside

Reattach chlorinator and lines

Connect heater at grey lines

Remove skimmer plug

Remove rubber plugs from jets

Reattach black plugs to pump (2) and to filter (1)

Reinstall filter cartridge

Take a water sample to a pool store for a free water analysis