Specifications include, but are not limited to: SERVICE REQUIREMENTS: The vendor shall: 9.1. Have the Master or Journeyman Plumber contact the designated TxDOT representative upon arrival at service location and have the designated TxDOT representative log the start and completion times for service performed on the vendor's service ticket. 9.2. Obtain written approval from the designated TxDOT representative for services requiring the assistance of an additional Plumber’s Apprentice, Drain Cleaner or more than one Journeyman Plumber prior to work being performed. 9.3. Thoroughly examine and become familiar with the area of the facility where services are to be performed, prior to commencing work, to ensure the service can be completed in an orderly, safe manner. 9.4. Provide drain and sewer line cleaning services by a Drain Cleaner registered with TSBPE. 9.5. Obtain written approval from the designated TxDOT representative for all work and material required to correct any problems diagnosed by the vendor, prior to work being performed. 9.6. Cover the furnishings and floor area below plumbing located above the ceiling line and above a work area with tarps or plastic sheeting prior to commencing work. 9.7. Complete all work by the end of the business day. In the event the work is not completed by the end of the business day, the Master or Journeyman Plumber shall provide the designated TxDOT representative in writing, the status of the work, reason for delay and the estimated completion date. When work is completed, notify TxDOT of departure time. 9.8. Use tools that do not scar or bite chrome fixtures or fittings. 9.9. Clean all areas of scrap materials, dirt, dust, and debris generated in performance of the service at the time the service is provided and leave the work area clean and free of materials, debris, and vendor equipment to the satisfaction of the designated TxDOT representative. 9.10. Remove from the building and dispose of all defective materials removed in the performance of the service and in strict accordance with all applicable rules, regulations, codes, laws, ordinances, and statutes. 9.11. Clean, repair, or replace any damage caused by the vendor or vendor’s subcontractor(s) during the performance of the service, to the satisfaction of the designated TxDOT representative, and at no additional cost to TxDOT.