Peter,
the preferment - based on TXCraig's UPN dough,
11g starter
98 g water
106 g caputo pizz. OO
the dough -
207g water
394 g OO mixed and left 12 hours with the preferment
+ 12g salt and preferment
mixed in KA, looked very wet and strange. i added about a tablespoon of OO and it came together nicely. sit for 40 min, knead for 30 sec, sit for 20 min, knead a couple of times and bulk at 63 degrees for 6 hours. balled and rested at 74 for 6 hours