Connecticut Administrative Code
Title 13b - Transportation
17 - Encroachment Permit Regulations
Section 13b-17-37 - Period of settling

Depending upon the character of the excavation, the depth, the kind of material used in backfilling, the degree of compactness obtained and other conditions, an Inspector may require that the temporary pavement repair of an excavation be maintained until he/she is satisfied that the settlement of the backfill material is practically complete and that the permanent repair can be made without creating a hazard to the users of this highway.