Wis. Admin. Code § PSC 135.307
After the text in 49 CFR 192.307, insert:
(1w) Detection of gouges and grooves. The field inspection provided on each job shall be suitable to reduce to an acceptable minimum the chances that gouged or grooved pipe will get into the finished transmission line or main. Inspection for this purpose just ahead of the coating operation and during the lowering in and backfill operation is required.
History: Cr. Register, October, 1999, No. 526, eff. 11-1-99.