All Partial Payment Requests must be prepared in a format that corresponds with the Estimate Section of the approved Utility Agreement. Each item must be listed according to its corresponding item in the estimate. Partial payments will not be made until all items on the cost estimate related to Buy America or State Iron and Steel Preference Provisions have been submitted and verified for compliance.

Table 11-1. Example of Cost Estimate Supporting Documentation

Materials
Type	Unit	Unit Cost	Invoice Amount
8" PVC Pipe	85 ft	$2.00/ft	$170.00

Table 11-1. Example of Cost Estimate Supporting Documentation(Continued)

Labor
Type	Unit	Unit Cost	Invoice Amount
Draftsperson	20 hrs	$40/hr	$800.00

Variations from the standard format will require TxDOT approval.

All payment requests must be supported with adequate documentation to support the reimbursement of actual costs. Below are preferred and the acceptable examples of supporting documentation. Documentation requiring certification should be certified by appropriate utility personnel as being true and correct. The first page of Certified Time Sheets and Certified Utility Company accounting ledger should be on company letterhead with the company logo, a statement of accountability, and a signature of an officer of the company or representative with signature authority.

Table 11-2. Types of Supporting Documentation

Cost Type	Preferred Documentation	Acceptable Documentation
Utility Labor	Certified Time Sheets	Certified Utility Company's accounting ledger
Utility's Equipment	Certified Time Sheets	Certified Utility Company's accounting ledger
Materials and Supplies	Invoice from Supplier	Inspector's diary of material on hand or installed and the Certified Utility Company's accounting ledger
Consultant Engineering	Invoice from Consultant	Completed Plan Sets and Certified Utility Company's accounting ledger
Contractor Services	Invoice from Contractor	Inspector's diary or approval of work and the Certified Utility Company's accounting ledger