farrell potter mndot bridge office 651-366-4471 [email protected]
TRANSCRIPT
Keys To Successful Inspection
Quantification
LocationDescriptionDates
Quantification of Defects
If it can be measured, then it shall
Record in inspection report: Measurements to
monitor any change
How measurements were made
Location of Defects
Report locations of defects Allows other
inspectors to monitor defects on next inspection
The severity of defect can depend on location
Description of Defects
Justification of the condition state or NBI code
Should indicate type of defect and severity
Use language from the inspection manual
Dating of Inspection Notes
Date inspection notes Allows for determination of
when defect was first noted Allows to see how defect is
changing over time
Date
Example of Proper Documentation
[2009] South fascia girder has 10LF of freckling rust starting at west abutment
Location
Description
Quantity
OR
[2009-2010] South fascia girder has 10LF of freckling rust starting at west abutment
Example of Proper Documentation
[2010] No change from 2009 note [2009] South fascia girder has 10LF of freckling rust starting at west abutment
OR [2011] South fascia girder has 15LF of freckling rust starting at west abutment [2009-2010] South fascia girder has 10LF of freckling rust starting at west abutment
Example of Proper Documentation
[2011] South fascia girder has 15LF of freckling rust starting at west abutment [2010] No change from 2009 note [2009] South fascia girder has 10LF of freckling rust starting at west abutment
When To Take A Note
Any element in a condition state of 2, 3, 4 or 5
Any NBI in a 5 or less Date or note should be updated every year
inspection is performed
Examples
Acceptable: The entire quantity is in condition state 1, so no defects means no notes are necessary
Examples
Unacceptable: Quantity is in CS2, and is missing description and date.
Examples
Acceptable: Should consider keeping original dates to track change over time
Examples
Unacceptable: Quantity is in CS4 and properly dated. However notes do not justify the condition state.
Photos
At a minimum two photos in the bridge file Roadway view, profile
view Also recommend
for: NBIs less than 5 Condition States
greater than CS2
Sketches
Provide quick and easy way to capture inspection data
Can be updated over time to reflect changes
Recommend for: NBIs less than 5 Condition States
greater than CS2
Inspection Quality Checklist
Winter Inspections
How thorough of an inspection can you perform during the winter?
