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Inspection Quality Farrell Potter MnDOT Bridge Office 651-366-4471 [email protected]
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Farrell Potter MnDOT Bridge Office 651-366-4471 [email protected].

Dec 16, 2015

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Page 1: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Inspection Quality

Farrell PotterMnDOT Bridge [email protected]

Page 2: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Keys To Successful Inspection

Quantification

LocationDescriptionDates

Page 3: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Quantification of Defects

If it can be measured, then it shall

Record in inspection report: Measurements to

monitor any change

How measurements were made

Page 4: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Location of Defects

Report locations of defects Allows other

inspectors to monitor defects on next inspection

The severity of defect can depend on location

Page 5: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Description of Defects

Justification of the condition state or NBI code

Should indicate type of defect and severity

Use language from the inspection manual

Page 6: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

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

Page 7: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Date

Example of Proper Documentation

[2009] South fascia girder has 10LF of freckling rust starting at west abutment

Location

Description

Quantity

Page 8: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

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

Page 9: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

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

Page 10: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

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

Page 11: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Examples

Acceptable: The entire quantity is in condition state 1, so no defects means no notes are necessary

Page 12: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Examples

Unacceptable: Quantity is in CS2, and is missing description and date.

Page 13: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Examples

Acceptable: Should consider keeping original dates to track change over time

Page 14: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Examples

Unacceptable: Quantity is in CS4 and properly dated. However notes do not justify the condition state.

Page 15: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

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

Page 16: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

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

Page 17: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Inspection Quality Checklist

Page 18: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Winter Inspections

How thorough of an inspection can you perform during the winter?

Page 19: Farrell Potter MnDOT Bridge Office 651-366-4471 Farrell.Potter@state.mn.us.

Questions?

Farrell PotterMnDOT Bridge [email protected]