Adjustment costs eligible for reimbursement are those that are:

performed in conformity with an approved utility agreement between TxDOT and the utility;
necessary to restore, in the most economical manner, the utility’s functional operations to a level similar to that existing before the adjustment;
necessary to comply with laws and regulated industry standards (signed and sealed engineering determination letter may be required); or
of direct benefit (i.e., safety and aesthetics) to the transportation facility.

Determination of a betterment credit should only be made upon completion of an adequate study of all available facts. The requirements discussed in the following subsections must be considered when determining whether such items are eligible or ineligible for reimbursement.