1/ keep it running no matter what. 2/ don't comply to any developer requirements without proper change request. 3/ most problems happens after lunch when ever

1/ keep it running no matter what. 2/ don't comply to any developer requirements without proper change request. 3/ most problems happens after lunch when everyone is bored, not thinking etc .. and is 'trying' to do something on production env. or when its raying, so everyone is in the building :)