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Oak Street Bridge Preservation City of Schenectady, Schenectady County October 24, 2018 Roger Laime, P.E. Associate Vice President Christopher Wallin, P.E. City Engineer
Transcript of Oak Street Bridge Preservation - NYSDOT Home · –Kings Road Bridge –Crane Street Bridge. Bridge...
Oak Street Bridge PreservationCity of Schenectady,
Schenectady County
October 24, 2018
Roger Laime, P.E.
Associate Vice President
Christopher Wallin, P.E.
City Engineer
Background
• Constructed in 1937 over existing rail tracks and Sweethill Creek
• Six (6) Total Spans
• Steel Girder and Floor beam System
• Two driving lanes flanked by sidewalks
Project Location
Schenectady County
City of Schenectady
Project Location
Fire Station
School
Bellevue
Mount Pleasant
How We Got Here
Ambiguous Ownership
Bridge Ownership
• Historically ownership split:
– City owns and maintains the deck
– Railroad owns and maintains the substructure
• Other Similar Owned Bridges in City:
– Kings Road Bridge
– Crane Street Bridge
Bridge Closure
• NYSDOT issued a letter to the Railroad regarding the bridges condition.
• Railroad makes “repairs”, April 2014
• Bridge closed to traffic April 2013 due to deterioration of steel.
Funding Strategies
• Project listed on Transportation Improvement Program (TIP) list for replacement POST 2018
• TIP Amendment submitted to the local Metropolitan Planning Organization (MPO) to bring project into current TIP.
– Scope Change to Preservation
– Estimate reduced ($4.1M to $2.05)
– Timeline changed to 2014 Design, 2015Construction
Project Timeline
• Consultant selected - April, 2014
• Temporary Permit to Enter (TPE) granted for survey - August, 2014
• TPE granted for inspection - November, 2014
• Preliminary and Final Design - 2015 through 2017
• Construction 2018 with substantial completion August 2018
Railroad Agreements and Costs
• Draft Design & Construction Phase Agreement with Railroad
– Communication begins - April, 2015
– Draft Agreement - January, 2016
– Authorized Agreement - September, 2016
• Design Review, $98,360
• Construction Personnel (flaggers), $314,860
WARNING THE FOLLOWING BRIDGE PHOTOS ARE RATED:
Bridge Conditions - 2017
Looking East
Bridge Conditions - 2017
Looking East
Cables installed by Railroad
Bridge Conditions - 2017
Looking West
Bridge Conditions - 2017
Looking West
Cables installed by Railroad
Bridge Conditions - 2017
Cables, Ties and Section Loss
Bridge Conditions - 2017
Section Loss & Corrosion
Bridge Conditions - 2017
Section Loss & Corrosion
Bridge Conditions - 2017
Section Loss & Corrosion
PDH Question #1
• What must a Consultant or Contractor secure before entering onto Railroad property?
a) A certified resolution from the local Municipality
b) A copy of the railroads insurance
c) A Temporary Permit to Enter (TPE) from the Railroad
d) A ticket from the nearest train station
Design Issues• How to maximize repairs with a fixed budget
– Identified required repairs
Design Issues• How to maximize repairs with a fixed budget
– Identified required repairs
– Prepared preliminary estimatesPier Steel Repairs $529,000Superstructure Steel Repairs $371,000Clean and Paint Bridge $1,475,000Additional Superstructure Steel Repairs $136,000Repair Expansion Joints $28,000Abutment and Pier Concrete Repairs $57,000Clean and Lubricate Bearings $50,000Repair Curb / Reseal Joint -Slab and Sidewalk $42,000
Total Estimated Construction Cost $2,688,000
Design Issues• How to maximize repairs with a fixed budget
– Identified required repairs
– Prepared preliminary estimates
– Discussed pros and cons of each
- Pier Steel Repairs- Superstructure Steel Repairs- Clean and Paint Bridge- Additional Superstructure Steel Repairs- Repair Expansion Joints- Abutment and Pier Concrete Repairs- Clean and Lubricate Bearings- Repair Curb / Reseal Joint -Slab and Sidewalk
Design Issues• Where to draw the line when making repairs
Design Issues• The cost of bridge painting
Painting Cost Estimate: $1.5 Million
Construction Issues• Difficult Site Access from below
• Maintaining Pedestrian Access
Construction Issues
• Steel Crack Repairs
• Rivet Replacements
“. . . bring the structure up to the current AASHTO code requirements for strength, service life, and fatigue resistance.”
PDH Question #2
• Riveted connections in structures are classified as what category for fatigue resistance per the AASHTO Specifications:
a) Category A
b) Category B
c) Category C
d) Category D
Construction Issues• Working with the railroad
Construction Issues
• Maintaining Construction schedule
Original Completion Schedule: July 2016Actual Completion: August 2018
Construction Issues
• Deck Repairs
PDH Question #3
• Clear cover on concrete bridge decks, based on NYSDOT guidelines, using epoxy reinforcement is:
a) 2”
b) 2.5”
c) 3”
d) 3.5”
Construction Issues
• Appearance is everything
– Cleaning, painting and maintenance above the deck (what the public sees)
Construction Issues
Before
Construction Issues
After
Construction Issues
After-After
Construction Issues
• Bridge Deck deficiencies– Concrete test results
Test sample failed due to excessive deleterious material (shale and phyllite)
Summary• Project Schedule
– Design Completed: 2015
– Construction planned: 2016 (on STIP)
– Construction actual: 2017 – 2018
– Bridge Opened to Traffic: August 7, 2018
• Project Cost
– Actual Construction Cost - $1.75 Million
QUESTIONS ?
