{"operation":"document","citation":"Mich. Admin. Code R 460.20325","title":"Transmission line patrolling","source_type":"regulation","agency":"Michigan Public Service Commission","status":"current","official":true,"published_on":null,"effective_on":"2026-05-04","summary":"Rule 325. In addition to the requirements contained in 49 C.F.R.§192.705, which is adopted by reference in R 460.20606, at intervals of not more than 6 weeks, but not less than 12 times each calendar year, an operator shall patrol all transmission lines that are operating at 40% or more of specified","machine_formats":{"json":"https://regulus.evalyn.ai/document/mi-admin-code-r-460-20325.json","markdown":"https://regulus.evalyn.ai/document/mi-admin-code-r-460-20325.md"},"app_url":"https://regulus.evalyn.ai/document/mi-admin-code-r-460-20325","source_url":"https://ars.apps.lara.state.mi.us/AdminCode/DownloadAdminCodeFile?FileName=R%20460.20101%20to%20R%20460.20606.pdf","body":"Rule 325. In addition to the requirements contained in 49 C.F.R.§192.705, which is adopted by reference in R 460.20606, at intervals of not more than 6 weeks, but not less than 12 times each calendar year, an operator shall patrol all transmission lines that are operating at 40% or more of specified minimum yield strength to observe surface conditions on, and adjacent to, the transmission line right-of-way for indications of leaks, construction activity, and other factors affecting safety and operation.\n\nHistory: 1998-2000 AACS.","truncated":false,"body_characters":534}