Rosabeth Moss Kanter writes a good blogpost about the value of having a little check list handy. Even the most experienced pilot needs to go over their check list before they can take off. You would wonder why that would be different with our captains of industry before they make major decisions. The research already proved the significance for surgeons. The outcome was implemented in 4.000 hospitals and saves lives everyday!
Go read her blogpost, it may give you some ideas on how a simple check list can ensure the continued quality of your work.