All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: SERVICE CALL (REGULAR HOURS: MONDAY-FRIDAY 08:00 AM-5:00 PM) 1ST LOCATION: ALABAMA DEPT. OF TRANSPORTATION DISTRICT ONE COMPLEX, 171 SAM HOUSTON BLVD., DOTHAN, AL. 36303.2ND LOCATION: ALABAMA WELCOME CENTER, 15121 S US 231, SLOCOMB, AL. 36375 (1 MILE NORTH OF THE FL STATE LINE). SERVICE CALL (AFTER HOURS)1ST LOCATION: ALABAMA DEPT. OF TRANSPORTATION DISTRICT ONE COMPLEX, 171 SAM HOUSTON BLVD., DOTHAN, AL. 36303.2ND LOCATION: ALABAMA WELCOME CENTER, 15121 S US 231, SLOCOMB, AL. 36375 (1 MILE NORTH OF THE FL STATE LINE). MASTER ELECTRICIAN (REGULAR HOURS: MONDAY-FRIDAY 8:00 AM - 5:00 PM). MASTER ELECTRICIAN (AFTER HOURS). ELECTRICIAN'S HELPER (REGULAR HOURS: MONDAY-FRIDAY 8:00 AM - 5:00 PM). ELECTRICIAN'S HELPER (AFTER HOURS). PARTS AND SUPPLIES: MARK-UP PERCENTAGE FOR REPLACEMENT PARTS AND SUPPLIES.