Requirement:
1: Mind
2: 4 Crew
3: Weapon
4: Bank
5: Mask

Step-Step
1: Make PrePlanning that from bank after observation with pencil
2: Place some asset
3: Make sure you know the entry
If Stealth:
3.1: Dont use mask first like other civilan
3.2: Check the some guard and camera
3.3: Dont do a any suspicious action
3.4: If safe,mask on
3.5: Try not to kill some guard,civilan and camera just avoid it
3.5.1: IF you kill a guard,answer the pager or the alarm raise on (Civilan doesnt have pager)
3.5.2: Dont place the body bags on front camera
3.5.3: Dont destroy the camera or the guard will be raise the alarm if see it
3.6: Drill the vault
3.7: When the drill finish. open the vault
3.9: Bag it and throw it in escape car
4.0: Profit

If Loud
4.1: Use mask and get in the bank
4.2: Make sure the civilan push the alarm button
4.3: Drill it
4.4: Hostle will be shoot you be watch out
4.5: Return to 3.9
4.6: Profit