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Capital Needs Inventory - page 50 / 100

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Track and Structures

Water, moisture and humidity cause premature deterioration of Metro’s infrastructure, track components, electrical, light- ing and automatic train control equipment.

48 Capital Needs Inventory

CNI 018: Track Welding Program CNI 021: Track Pad/Shock Absorber Rehabilitation CNI 022: Track Structural Rehabilitation CNI 019: Track Floating Slabs Rehabilitation CNI 089: Track Fasteners Total

$31.7 $29.5 $22.4 $16.3 $12.0 $539.3

Station/Tunnel Leak Rehabilitation ($46 Million)

Water, moisture and humidity cause premature deterioration of Metro’s infra- structure, track components, electrical, lighting and automatic train control equipment. Station/Tunnel Leak Mitigation work eliminates unsafe wet condi- tions for Metrorail passengers and prevents service delays resulting from water intrusion.The goal of this capital project is to maintain the structural integrity of the tunnel liners and prevent the corrosion of wayside systems and equipment. Repairing station/tunnel leaks over the next ten years requires $46.0 million to conduct engineering assessments, purchase specialized access equipment and provide additional training for employees.

CNI Project

Total (YOE, $ Millions)

CNI 026: Station/Tunnel Leak Mitigation

$46.0

Total

$46.0

Station/Tunnel Leak Rehabilitation includes the following CNI projects:

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