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Published byAvis Thompson Modified over 9 years ago
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Project Delivery Design Considerations Lessons Learned
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Design Bid Build vs. Design Build Partnering BOS Involvement Project Inception Plans and Specifications Construction Technical Support Document & Refine
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UDOT FHWA WisDOT UDOT - Manual for the Moving of Utah Bridges Using Self UDOT- Propelled Modular Transporters (SPMTs) SPMT Process Manual And Design Guide FHWA - Manual on Use of Self-Propelled Modular Transporters to Remove and Replace Bridges
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Bridge Staging Area Prior to Bridge Move
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Bridge Staging Area Prior to Bridge Move Bridge Move Final
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Design Partnering Innovation Updates
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Travel Path Diaphragms
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Travel Path Diaphragms Coupler Detailing Miscellaneous Details Schedule
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Abutment Panels
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Bridge Manual Specifications
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8/15/2013 BOS 201312
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Bridge Staging Areas ◦ Space requirements ◦ Geotechnical investigation ◦ Level terrain for travel Path ◦ Positive drainage ◦ Environmental considerations 13 Rawson Bridge Staging – West Span Rawson Bridge Staging – East Span
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Shoring Towers ◦ Two (2) span 45W girder bridge ◦ Timber crane pads ◦ Steel shore towers ◦ Steel header ◦ Anchorage for lateral loads and stability 14 Shoring Tower – West Span Shoring Tower – East Span
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Self Propelled Modular Transporter (SPMT) ◦ Ground improvements on travel path ◦ Steel plates for turning radius ◦ Space for bracing and existing shore towers ◦ 138’ feet wide ◦ 95’ feet long 15
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SPMT ◦ Heavy lift contractor ◦ Submittal reviews ◦ 35 semi-loads of equipment ◦ Site access ◦ Assembled in 48 hours Public viewing area 16
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Pre-Move Deck Crack Inspection ◦ Deflection monitoring during bridge Move ◦ Post move crack inspection ◦ Pier closure pours ◦ May 28 th to June 23 rd closure window 17
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Pre-cast pier construction ◦ Driven pile and cast in place pile cap ◦ Detailed bar steel placement with template ◦ High early strength masonry 18
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Pre-cast concrete columns High strength bar steel couplers Footing to column connection Column to precast cap connection 8000 psi non shrink grout 19
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Pre-cast pier construction ◦ Pre-cast concrete cap ◦ Sections up to 45 tons – Two (2) crane pick ◦ Grouted bar coupler Connection to columns ◦ Tight construction tolerances ◦ Survey control 20
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Pre-cast pier construction Lessons learned: ◦ Detail additional room for bar couplers ◦ Comprehensive survey control ◦ Steel templates for bar steel ◦ Match cast pre-cast elements 21
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Keys to Project Success ◦ Public outreach and involvement ◦ Close coordination with prime and heavy lifter ◦ Travel path preparation and planning ◦ Project partnering with stakeholders 22
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***Bill to Insert SMPT Bridge Move Video ***
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