852 checking if duct is lined before cutting cutting / penetrations red 3 boss, i'm at this cut/penetration. i'm seeing checking if duct is lined before cutting. do you want me to document it before we continue? boss, i'm at this cut/penetration. i checked the field condition and this may affect access, coordination, tab, equipment, or the next trade. i'm seeing checking if duct is lined before cutting. do you want this held, documented, or coordinated before we keep going? coordination/system issue: checking if duct is lined before cutting. i have photos, location, and what is blocked or affected.