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Department of Transportation - Division of Maintenance Structure Maintenance & Investigations MECHANICAL/ELECTRICAL ELEMENT INSPECTION RATINGS AND NOTES Elem Defect/ Element Description No. Prot Defect Env Total Units Qty in each Condition State Qty CS 1 CS 2 CS 3 CS 4 606 Control System - Mechanical 2 1 ea. 1 0 0 0 (606) Control System - Mechanical Non -Routine Inspection Element Notes: The mechanical bridge control systems consist of the main drive motor encoder various lever actuated limit / indicating switches, and the hydraulic fluid control valves. 607 Control System - Electrical 2 1 ea. 1 0 0 0 (607) Control System - Electrical Non -Routine Inspection Element Notes: Bridge control systems are located in in the bridge house on the north side of Span 22. The control system consists an on -operator desk that controls both traffic equipment and span operation. Bridge is controlled with an eddy current Dynamic EC2000 controller. 608 Interlocking System - Mechanical 2 1 ea. 1 0 0 0 (608) Interlocking System - Mechanical Non -Routine Inspection Element Notes: See drive system element information 609 Interlocking System - Electrical 2 1 ea. 1 0 0 0 (609) Interlocking System - Electrical Non -Routine Inspection Element Notes: The interlocking system consists of limit switches that regulate the sequence of the traffic equipment and movable span operation. 610 Pier Protection - Structural 2 1 ea. 1 0 0 0 (610) Pier Protection - Structural Non -Routine Inspection Element Notes: The pier protection consists of timber fenders with skip sheathing on each side of Span 22. The fenders appear in good condition and there was no drift accumulating at the fenders or the piers. 611 Nav Guidance System - Electrical 2 1 ea. 0 1 0 0 9000 Operation 2 1 ea. 0 1 0 0 (611) Nav Guidance System - Electrical Non -Routine Inspection Element Notes: Navigation lights required by Coast Guard regulation are mounted at each end of the swing span and on the upstream and downstream ends of the fender system under Span 21. (611-9000) Operation Non -Routine Inspection Element Notes: Mech/Elect (06/01/2021) Multiple navigation lights are burned out and need replacement. (5/8/23) Condition still present. (5/12/25) Condition still present. 612 Power System - Electrical 2 1 ea. 1 0 0 0 (612) Power System - Electrical Non -Routine Inspection Element Notes: Utility power is delivered to the east side of the bridge. Power to the swing pier is provided by means of a submarine cable. Backup power is provided by a county owned generator located off -site. The power supply is 480 Volts AC. The motor control center housing the power system is inside the bridge control house. 613 Traffic Control Sys - Mechanical 2 3 ea. 3 0 0 0 (613) Traffic Control Sys - Mechanical Non -Routine Inspection Element Notes: Double traffic gates are located in Span 22 on the east side of the swing span and in Span 17 on the west side. Each gate has three flashing red lights mounted along the length of the gate arm. 614 Traffic Control Sys - Electrical 2 3 ea. 1 1 0 1 9000 Operation 2 2 ea. 0 1 0 1 (614) Traffic Control Sys - Electrical Non -Routine Inspection Element Notes: Double traffic gates are located in Span 22 on the east side of the swing span and in Span 17 on the west side. Each gate has three Printed on: Monday 06/23/2025 03:39 PM Page 7 of 9 29C0108/AABG/154008