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Published byPiers Watkins Modified over 9 years ago
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Region 3 SHADY BRIDGE Project consists of replacing 3 bridges with 4 ~ hanging a pedestrian bridge under the new SB River bridge and NB and SB off ramp modifications.
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Region 3 Original Project Timeline Project Bid ~ February 2004 Contract Completion ~ January 31, 2008 Stem Wall Issues ~ June 2006 –Stem Wall Repairs ~ October 2007 –Repairs Complete ~ February 2008
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Region 3 Stem Wall Damage Investigation Ground Penetrating Radar Impact Echo Hammer Impulse Resonance Core Drilling
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Region 3 Ground Penetrating Radar
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Region 3 Core Drilling
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Region 3 Stem Wall Damage Pictures
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Region 3 Stem Wall Damage Pictures
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Region 3 Stem Wall Damage Pictures You can note that the rebar is pushed away from the concrete stem wall.
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Region 3 Stem Wall Damage Pictures
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Region 3 Overview of Stem Wall Damage
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Region 3 Duct Bundling Allowance –vs- BR130
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Region 3 Duct Bundling Allowance
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Region 3 Stem Wall PT Duct Install Pictures
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Region 3 Duct and Bundling Pictures
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Region 3 Duct and Bundling Pictures
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Region 3 Duct and Bundling Pictures
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Region 3 Repair Details
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Region 3 Another Issue The bottom of Deck is corrugated!
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Region 3 Bottom of Deck
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Region 3 Bottom of Deck
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Region 3 Bottom of Deck Concrete Dobie Blocks The bottom of deck buckled between dobies
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Region 3 Deck Form Boards Contractor used 11/32” plywood. Requirement is now 5/8” nominal thickness.
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Region 3 Warpage: Contractor was required to remove this plywood on the remaining spans; 3 and 4.
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Region 3 Where we are now. July 12, 2008 ~ Sent Ross Bros. a letter of Termination for Default. July 21, 2008 ~ ODOT received proposals from both the contractor and the surety. July 24, 2008 ~ ODOT rejected Ross’ proposal, but agreed to pursue Safeco’s 2 nd proposed option. Per the Standard Specifications, the contractor and their surety have the ability to propose a cure to the project with in 10 days of the notice. Ross’ proposal kept them as the Prime Contractor. Safeco’s proposal had 2 options; 1) keeping Ross as the prime and 2) Safeco taking over the contract and hiring a completion contractor.
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Region 3 Where we are now. September 15, 2008 ~ ODOT signed a Takeover Agreement with Safeco. Highlights of Takeover Agreement –Safeco is now the Prime Contractor; –Safeco is allowed to use Ross Brothers; –Safeco will provide on-sight Project Manager –Safeco will assume Superintendent responsibilities per the STD Specs 150 section; –Safeco will reimburse ODOT ± $2M for stem wall repairs and investigation; –Safeco will reimburse ODOT ± $1.1M for continued CEI costs; –Safeco will reimburse ODOT ± $426K for LD’s; After 7 weeks of back and forth negotiations, ODOT and Safeco came to agreement.
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Region 3 Where we are now. Highlights of Takeover Agreement; (cont) –Agreement established a new interim and new completion date; October 31, 2010 – All work complete except for site restoration, clean up, punch list, pier and falsework removal, planting, etc. August 31, 2011 – Final completion – All work must be complete. September 29, 2008 ~ Safeco was provided an NTP to proceed with the work under the new agreement. October 31, 2008 ~ The NB South Umpqua River Bridge was open to traffic.
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