Specifications include, but are not limited to: 9.1. Respond verbally to the designated TxDOT representative within two hours of a service call being placed and have electrical personnel on-site within four hours of service call being placed unless other arrangements are agreed to by the designated TxDOT representative. 9.2. Have all work diagnosed by the electrician and obtain approval by the designated TxDOT representative prior to work being performed. 9.3. Thoroughly examine and become familiar with the TxDOT facility where services are to be performed, prior to commencing work, to ensure the service can be completed in an orderly and safe manner. 9.4. Obtain approval from the designated TxDOT representative for service requiring more than one licensed electrician or an apprentice. TxDOT will not pay for additional electricians without written approval by the designated TxDOT representative.