How to Structure a Constraint Inventory

How to Structure a Constraint Inventory

A constraint inventory is a systematic record of all route limitations, organized for reference and action.

Read time: 4 min

Organization Options

*Sequential (by route position)* - Ordered from origin to destination - Natural for following the route - Easy to use in the field

*By Type* - Grouped by constraint category - Easy to assess overall constraint profile - Useful for resource planning

*By Severity* - Critical constraints first - Focuses attention on key issues - Useful for go/no-go decisions

Data Fields for Each Constraint

*Location* - GPS coordinates - Mile marker or route reference - Nearest landmark or cross-street

*Identification* - Constraint type (clearance, weight, geometry) - Structure or feature name/number - Specific limitation

*Measurement* - Quantified value where applicable - Measurement method noted - Uncertainty or variability noted

*Status* - Constraint | Clear | Conditional - Mitigation required? - Mitigation in place?

*Evidence* - Photo reference - Survey date - Surveyor identification

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