Hi, it's an old topic, but maybe that it could help you and other players.
It's still the same noise in Alpha 17, personally i modified (with PSPad) the World_Oneshots_Doors.xml file (installation folder of RimWorld / Mods / Core / Defs / SoundDefs).
I replaced by 0 the values of the volume range of the doors (DoorOpenPowered, DoorClosePowered, DoorOpenManual, DoorCloseManual).
Example :
<volumeRange>
<min>0</min>
<max>0</max>
Now the doors open and close without noises, but obviously it's up to you to see if you prefer to disable these noises or decrease them.
It's still the same noise in Alpha 17, personally i modified (with PSPad) the World_Oneshots_Doors.xml file (installation folder of RimWorld / Mods / Core / Defs / SoundDefs).
I replaced by 0 the values of the volume range of the doors (DoorOpenPowered, DoorClosePowered, DoorOpenManual, DoorCloseManual).
Example :
<volumeRange>
<min>0</min>
<max>0</max>
Now the doors open and close without noises, but obviously it's up to you to see if you prefer to disable these noises or decrease them.