Royersford Spring City Bridge Rehabilitation Royersford Spring City - - PowerPoint PPT Presentation
Royersford Spring City Bridge Rehabilitation Royersford Spring City - - PowerPoint PPT Presentation
Royersford Spring City Bridge Rehabilitation Royersford Spring City Bridge Rehabilitation Royersford - Spring City Bridge Rehabilitation Royersford - Spring City Bridge Rehabilitation Royersford & Spring City, PA Royersford & Spring
Royersford & Spring City, PA Royersford & Spring City, PA
Royersford – Spring City Bridge Rehabilitation
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Bridge – Plan & Elevation Bridge – Plan & Elevation
Plan Elevation
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Elevation
Elevation – Open Spandrel Arch Elevation – Open Spandrel Arch
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Roadway Section Roadway Section
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Current Condition – Wearing Surface Current Condition – Wearing Surface
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Previous Repair Work – Emergency Deck Repairs (August 2005) Previous Repair Work – Emergency Deck Repairs (August 2005)
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Previous Repair Work– Emergency Deck Repairs (August 2005) Previous Repair Work– Emergency Deck Repairs (August 2005)
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Current Condition – Hole in Deck Found During Construction Current Condition – Hole in Deck Found During Construction
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Current Condition – Hole in Deck Found During Construction Current Condition – Hole in Deck Found During Construction
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Current Condition – Arch Ribs (Deteriorated Concrete Removed) Current Condition – Arch Ribs (Deteriorated Concrete Removed)
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Current Condition –Spandrel Columns (Deteriorated Concrete Removed) Current Condition –Spandrel Columns (Deteriorated Concrete Removed)
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Current Condition – Floorbeams (Deteriorated Concrete Removed) Current Condition – Floorbeams (Deteriorated Concrete Removed)
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Current Condition – Floorbeams (Supplemental Supports) Current Condition – Floorbeams (Supplemental Supports)
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Concrete Repairs – Underside (Patching Material Placed) Concrete Repairs – Underside (Patching Material Placed)
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Original Rehabilitation Program Original Rehabilitation Program
Deck
Remove Existing Bituminous Wearing Course & Underlying Brick g g y g Pavers Repair Original Slab as Required & Provide ¼” Deep Scarification Install Latex Modified Concrete Wearing Surface (1 ¼” Thickness) Install Latex Modified Concrete Wearing Surface (1 ¼ Thickness)
Arch Ribs, Spandrel Columns & Substructure
Concrete Repairs p
Floorbeams
Support Beam Retrofit
Construction Timeline
Work anticipated to be completed by Fall 2011 utilizing nighttime and weekend bridge closures
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and weekend bridge closures.
Accelerated Revised Deck Rehabilitation Program Accelerated Revised Deck Rehabilitation Program
Remove Existing Bituminous Wearing Course, Underlying Brick Pavers & Existing Parapets Repair Original Slabs as Required Power Wash Original Slab g Construct 8” Reinforced Deck Using High Performance Concrete Placed on Top of Original Slab Construct New Parapets with Pedestrian Railings on Top For the Safety of the Traveling Public and Our Construction Crews, this Work Necessitates Complete Closure and Detour for Approximately Eight Weeks. Construction Crews to Work “24/7, Around The Clock” to Complete the Work as Soon as Possible
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Around The Clock to Complete the Work as Soon as Possible
Rehabilitation – Roadway Surface Rehabilitation – Roadway Surface
Typical Section
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Rehabilitation – Roadway Surface Rehabilitation – Roadway Surface
Typical Deck Expansion Joint Retrofit
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Detour Detour
Detail A Detail B Detour Length ≈ 15 Miles
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