29C0022_AABI_2025-MAY - Laserfiche WebLink

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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 4 607 Control System - Electrical 2 1 ea. 0 1 0 0 9008 Functional Obsolescence 2 1 ea. 0 1 0 0 (607) Control System - Electrical Non -Routine Inspection Element Notes: Bridge control systems are located in the bridge house. The control system consists of a traffic control desk and a moveable span control desk. A separate electrical cabinet houses the electrical components that supply power and provide control for the electric motors. (607-9008) Functional Obsolescence Non -Routine Inspection Element Notes: Mech/Elect (06/01/2021) Some components of the control desks are old and may soon be phased out by the manufacturer. The components still function properly. Some labels on the control desk and the electrical cabinet are fading but are still legible. One of the power (kW) measuring meters on the span control desk does not work. (5/8/2023) Condition still present. (5/12/25) Condition still present. 608 Interlocking System - Mechanical 2 2 ea. 2 0 0 0 (608) Interlocking System - Mechanical Non -Routine Inspection Element Notes: The bridge mechanical control system consists of lever actuated fully seated limit switches and two sets of bronze cams connected to the drive machinery. One set gives bridge span position indications the other is connected to the heel lock system and gives the indication for the hold down bar positions. 609 Interlocking System - Electrical 2 2 ea. 2 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: Pier protection consists of timber fenders with diagonal skip sheathing of Span 11, protecting Piers 11 & 12. Clearance gauges are mounted on the upstream and downstream ends of the fender at Pier 11. The timber fenders appeared in fair condition. One diagonal sheathing plank is missing at the center of the fender along Pier 11. 612 Power System - Electrical 2 1 ea. 0 0 0 1 9005 Accessibility and Labeling 2 1 ea. 0 0 0 1 (612) Power System - Electrical Non -Routine Inspection Element Notes: Utility power is supplied to the bridge house from the north side. Power is provided to the south bascule leaf by means of a submarine cable. Backup power is provided by a generator located off -site. The power supply is 240 Volts AC. (612-9005) Accessibility and Labeling Non -Routine Inspection Element Notes: Mech/Elect (06/01/2021) There are no arc flash labels on the cabinet. The cabinet is very dusty. Four cabinet sections of the MCC donut have door handles/locks to close the cabinet doors. Some components of the power system are old and may soon be phased out by the manufacturer. The components still function normally. (5/8/2023) Condition still present. (5/12/2025) Condition still present. The North kW meter on the bridge control console is not working. The electrical service cabinet is rusty and is a fire hazard. There is no dielectric mat in front of the motor control. 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 at near end of the bridge, an advance gate and a traffic gate closer to the center of the span. Each Printed on: Monday 06/23/2025 03:38 PM Page 8 of 12 29C0022/AABI/153157