Breadcrumb Home Resource Library Resource Library Appendix 1 - Required Frequency of Boiler Inspections Performed By The Commissioner or Authorized Inspection Agency Protected Document Categories: Inspections Topics: Occupational Safety Appendix 2: Required Inspection, Testing, or Verification of Boiler Components and Safety Devices Performed By Boiler Operators Protected Document Categories: Inspections Topics: Occupational Safety Daily Trenching/Excavation Log Protected Document Trenching/Excavation Daily Log. This log is to be maintained and on site for review Categories: Inspections Topics: Occupational Safety