Maintenance Steel Repairs - NYSDOT Home...Maintenance Steel Repairs Local Bridge Conference –...
Transcript of Maintenance Steel Repairs - NYSDOT Home...Maintenance Steel Repairs Local Bridge Conference –...
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Maintenance Steel RepairsDoug F. Rose, P.E. and John J. Picard, P.E.
Local Bridge Conference – Syracuse, NY - October 2008
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Maintenance Steel Repairs…. are a WIN – WIN situation.
Local Bridge Conference – Syracuse, NY - October 2008
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Beam End Deterioration
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Beam End Deterioration
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Past NYSDOT Repairs
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Beam End Deterioration - Solutions
>> >> ““TT”” Beam repairBeam repair
>> Double angles >> Double angles
>> Install 3x5 Tubes >> Install 3x5 Tubes
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
NY240 / Cazenovia Creek
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
NY240 / Cazenovia Creek
Location: Town of Colden - BIN 1042510
Nature of Failure (NOF): Floorbeam Deterioration
Nature of Response (NOR): NYSDOT Personnel installed temporary repairs (5 locations) to keep structure open till scheduled letting and award (~ 4 months)
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Past NYSDOT Repairs
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Past NYSDOT Repairs
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Past NYSDOT Repairs
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Past NYSDOT Repairs
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
NY240 / Cazenovia Creek
<< COSTS >>
Labor - 700 man hours (17 days)
Materials – Steel Cover Plates ………….. $8000.00
Misc hardware (nuts and bolts, etc.) … $845.00
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BIN 6001320 NY 5& 20 over Cattaraugus Creek
3 – 180 ft spans
Local Bridge Conference – Syracuse, NY - October 2008
Maintenance Steel Repairs
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Maintenance Steel Repairs
Past NYSDOT Repairs
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Maintenance Steel Repairs
Past NYSDOT Repairs
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Maintenance Steel Repairs
NY 5/20 Cattauragus Creek
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Maintenance Steel Repairs
Past NYSDOT Repairs
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Maintenance Steel Repairs
Past NYSDOT Repairs
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Maintenance Steel Repairs
Pedestrian Bridge over NY33 – BIN 1071980
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Maintenance Steel RepairsPedestrian Bridge over NY33 – BIN 1071980
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Maintenance Steel Repairs
Pedestrian Bridge over NY33 – BIN 1071980
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Pedestrian Bridge over NY33 – BIN 1071980
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Pedestrian Bridge over NY33 – BIN 1071980
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Pedestrian Bridge over NY33 BIN 1071980
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Maintenance Steel Repairs
Pedestrian Bridge over NY33 – BIN 1071980
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Maintenance Steel Repairs
Pedestrian Bridge over NY33 – BIN 1071980
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Local Bridge Conference – Syracuse, NY - October 2008
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Steel Construction ManualLocal Bridge Conference – Syracuse, NY - October 2008
The Steel Construction Manual (SCM) has been prepared in an effort to produce a single source document to describe minimum requirements for the preparation of fabrication drawings, ordering and receipt of materials, fabrication by welding and bolting, transportation, erection, repair, rehabilitation, and testing and inspection of structuralmetals.The 3rd Edition of the SCM contains extensive revisions to reflect changes in design and technology since the last publication of this document.
Revision: March 2008, 3rd Edition
History: Issued 1973, Revised twice, last in 1984
Contact: Metals Engineering (518) 457-4528
Available At: Plan Sale (518) 457-2124
Local Bridge Conference – Syracuse, NY - October 2008
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
What are the Requirements …
>> Licensed Professional Engineer
>> Certified Welder
>> Access Equipment
>> Jacking Equipment
•What’s helpful …
>> Crew with Steelworker/Millwright experience
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Licensed Professional Engineer
Services provided …
>> Evaluation of Flagged Condition
>> Development of repair details
>> Development of jacking plan
>> Preparation and submittal of shop drawings
>> Preparation of Welding Procedure Specification (WPS)
>> Professional Engineering Certification
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Certified Welder
>> NYS Certification required
>> Field Welder Informationwww.nysdot.gov/divisions/engineering/structures/....
…. engineering/approved-field-welder-list
>>FIELD WELDER QUALIFICATION PROCESSwww.nysdot.gov/.../page/portal/divisions/engineering/structures/...…. repository/files/FW_Brochure_4-07_0.pdf - 2008-08-23
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Access EquipmentLocal Bridge Conference – Syracuse, NY - October 2008
>> Scaffold
>> Manlift
>> UBIU
>> Other Specialized Equipment
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
What’s the Process …
>> Receive Structural Flag requiring steel work
>> Determine options - Close - Operate at reduced loading/traffic- Repair
>> Develop Repair Detail and WPS in Consultatio
>> Execute repairs with Certified Welder, as req
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Welding Procedure Specification (WPS)
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Common Steel repairsLocal Bridge Conference – Syracuse, NY - October 2008
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Structural Lifting Computations / Details
Structural Lifting and Support
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Structural Lifting and Support
Jacking considerations –•Over Roadways –
•Over water -
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Structural Lifting and Support
Jacking considerations –
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Access Issues
•Equipment needed –
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Access Issues
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Maintenance Steel RepairsCase Study
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Maintenance Steel Repairs
Vischer Ferry Road over the Mohawk River BackchannelBIN 4416010
Local Bridge Conference Local Bridge Conference –– Syracuse, NY Syracuse, NY -- October 2008October 2008
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Maintenance Steel Repairs
• Built in 1916• 11 Span Steel Thru-girder
– 588 ft. total length• 16’ – 2” Rail to Rail• CR = 3.406• Gen. Rec. = 3• 15 ton posting (2000)
– Floorbeam deterioration• 2008 Inspection yielded 26 flags
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Vischer Ferry Road over the Mohawk River Backchannel
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Now for the Cultural Portion of Our Presentation
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Vischer Ferry, NY
• Named after Nicholas Vischer who built the first house in 1735
• Rope pulled ferry across the Mohawk built and operated by Eldert Vischer, circa 1800
• Replaced by bridge 1900• Bridge destroyed by ice 1902• Bridge over back-channel remains
– I guess I’m lucky
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Vischer’s Ferry
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Typical Thru-girder Design
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Interesting Design Features• Foundations on timber cribbing in muck
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Interesting Design Features• Easily maintained steel bents
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The Flag
• Floorbeam Connection Deterioration• 6 locations• Was Yellow in October• Became Red in April• Necessitated a 5 ton posting
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Floorbeam Flags• Connections deteriorated with nothing
good left to connect to
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Floorbeam Connection
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The Fix
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How to get the Floorbeam under the bridge
<<insert pics – text to describe pictures >>
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Erecting the Beam
• How to get the 23’ beam over the side of the bridge and across to the other thru-girder.
• Working over water• Can’t violate the posting of the bridge (too
much)
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Repair Costs
• Floorbeam and plates - $1610.00• Dywidag Rods and Hardware - $290.00• Crane Operator from Canal Corp -
$300.00• Keeping the bridge out of the water –
PRICELESS!
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Bad Things …
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Bad Things …
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Bad Things …
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Bad Things …
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Good Things … thru Steel Repairs
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Good Things … thru Steel Repairs
>> Addresses Structural Flag issues
>> Maintain Emergency Services
>> Maintain access for local residents and businesses (e.g. commerce, school bus, farming, etc.)
>> Preserves investment and vital links to statewide infrastructure
>> The “PRICELESS” option – keeps the bridge outof water or traffic below … and open.
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Maintenance Steel RepairsLocal Bridge Conference – Syracuse, NY - October 2008
Contact InformationPaul Rimmer, P. E.NYSDOT Structures DivisionMetals Engineering Unit (518) 457-4526
https://www.nysdot.gov/divisions/engineering/structures/manuals#engserv
•For References and Manuals
>> Doug Rose, P.E.Bridge Maintenance EngineerNYSDOT - Region 5 (Albany)
(518) 388-0398
>> John Picard, P.E., RBMEBridge Maintenance Engineer NYSDOT - Region 5 (Buffalo)(716) 847-7152