| Includes | maintenance, repair, rehabilitation, replacement, restoration, preservation, etc. of exterior improvements. |
| Alternate Terms/Abbreviations | pavement raising: pavement jacking. Reused: recycled. |
| Level 4 Numbering Recommendation | Level 4 titles for exterior improvements 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. |
| See | 32 12 16 for seal coats. |