Section 2.1.1.2 Qualifications Required for Inspections of MTO Structures
Regarding Lead Inspectors:
1) Will MTO Bridge Inspection Workshops be offered on an annual basis, to ensure there are adequate opportunities for assistant inspectors to qualify as lead inspectors?
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Hi,
Subject: Clarification on Extent of Inspection for SBGR under OSIM
I would appreciate your guidance regarding the extent of inspection required to meet the legal requirements under the Ontario Structure Inspection Manual (OSIM).
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Based on the definition of a Primary Component in Section 1.2, how does a Wearing Surface meet the definition and a Bearing Seat not meet the definition?
1) Based on the Concrete - Substructures and Superstructures Defect Definitions Table 2.5.4.1. How is an inspector to know if concrete has been cured at temperatures above 70 degrees Celsius resulting in DEF based on a visual observation?
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For Section 2.1.1.2. in reference to the number (i.e. 100 or 20) previous OSIM Inspections required for the lead inspectors, should the total not be specific to the type of structure being inspected? I.e.
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Subject: Comment on 2026 OSIM Draft Review – Section 2.1.2 Qualifications Required for Inspections of MTO Structures
I am writing to provide feedback on the proposed inspector qualification requirements outlined in the 2026 OSIM draft.
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A 2009 MTO Memorandum provides clarification on OSIM inspection timing requirements for newly constructed and rehabilitated structures, indicating that the first inspection is to be completed within two calendar years of construction contract completion and opening of the structure to traffic.
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The requirement to record defect quantities in whole numbers for square metres (area) and linear metres (length) is generally appropriate for larger structures or elements and has minimal impact on the overall structure condition rating or BCI.
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Section 2.1.1.2…
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Updated MTO Ontario Structural Inspection Manual (OSIM) 2026
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Hi, Subject: Clarification…
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Based on the definition of a…
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1) Based on the Concrete -…
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Should the water testing…
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For Section 2.1.1.2. in…
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Subject: Comment on 2026…
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Updated MTO Ontario Structural Inspection Manual (OSIM) 2026
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TCP Number 000‑0296 Part 4,…
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A 2009 MTO Memorandum…
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The requirement to record…
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