Specifications include, but are not limited to: REPAIR ROADWAY AND OVERHEAD SIGN LIGHTS EAST CENTRAL REGION - BIRMINGHAM AREA. 3.1 THE PURPOSE OF THIS CONTRACT IS TO PROVIDE BOTH EMERGENCY MAINTENANCE/REPAIR AND ROUTINE MAINTENANCE/REPAIR OF VARIOUS ALDOT TRAFFIC SIGNAL EQUIPEMNT ALONG ALL INTERSTATE AND STATE ROUTES AFFECTED IN THE EAST CENTRAL REGION, BIRMINGHAM AREA. THIS MAINTENANCE/ REPAIR SHALL INCLUDE BOTH THE EXISTING EQUIPMENT AND ANY FUTURE UPGRADE. 3.2 CONTRACTOR IS RESPONSIBLE FOR LOCATING ALL UTILITIES PRIOR TO COMMENCING WORK AND IS LIABLE FOR ANY DAMAGE TO THE UTILITIES INCURRED DURING THIS WORK. 3.3 CONTRACTOR IS RESPONSIBLE FOR TRAFFIC CONTROL AS SET FORTH IN SECTION 2.2 OF THIS SPECIFICATION. FOR THIS PROJECT, ALL TRAFFIC CONTROL DEVICES SHALL BE PLACED ON PORTABLE SUPPORTS. 3.4 CONTRACTOR IS RESPONSIBLE FOR THE REMOVAL OF CONSTRUCTION MATERIAL AND DEBRIS, AND PROPER DISPOSAL OF SAME AT AN APPROVED LANDFILL.