Numbers and Titles



34 01 00 Operation and Maintenance of Transportation
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Includesmaintenance, repair, rehabilitation, replacement, restoration, preservation, etc. of transportation.
Level 4 Numbering RecommendationLevel 4 titles for transportation are provided as examples for user's creation of more detailed titles for other subjects as required. following Level 4 numbering is recommended: .51-.59 for maintenance. .61-.69 for repair. .71-.79 for rehabilitation. .81-.89 for replacement. .91-.99 for restoration.
34 01 13Operation and Maintenance of Roadways
34 01 23Operation and Maintenance of Railways
34 01 33Operation and Maintenance of Airfields
34 01 43Operation and Maintenance of Bridges