If the railroad company uses its own

workforce

to perform the

labor

, reimbursement is usually made on an actual cost basis. However, if TxDOT and the railroad company agree, reimbursement can be based on a lump sum cost estimate. This would typically occur on smaller projects where actual cost to the railroad company is easily estimated. Project costs and method of reimbursement (actual or lump sum) are approved in the individual project agreement.