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Rawson SPMT Design. Project Delivery Design Considerations Lessons Learned. Project Delivery. Design Bid Build vs. Design Build Partnering BOS Involvement. Design Considerations - Guidance. UDOT FHWA WisDOT.
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Rawson SPMT Design • Project Delivery • Design Considerations • Lessons Learned
Project Delivery • Design Bid Build vs. Design Build • Partnering • BOS Involvement
Design Considerations - Guidance • 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
Design Considerations - Loads • Bridge Staging Area • Prior to Bridge Move
Design Considerations - Loads • Bridge Staging Area • Prior to Bridge Move • Bridge Move • Final
Lessons Learned • Design • Partnering • Innovation • Updates
Lessons Learned - Design • Travel Path • Diaphragms
Lessons Learned - Design • Travel Path • Diaphragms • Coupler Detailing • Miscellaneous Details • Schedule
Lessons Learned - Innovations • Abutment Panels
Lessons Learned - Updates • Bridge Manual • Specifications
Phil’s Slides BOS 2013
Construction • Bridge Staging Areas • Space requirements • Geotechnical investigation • Level terrain for travel Path • Positive drainage • Environmental considerations Rawson Bridge Staging – East Span Rawson Bridge Staging – West Span
Construction • Shoring Towers • Two (2) span 45W girder bridge • Timber crane pads • Steel shore towers • Steel header • Anchorage for lateral loads and stability Shoring Tower – West Span Shoring Tower – East Span
Construction • 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
Construction • SPMT • Heavy lift contractor • Submittal reviews • 35 semi-loads of equipment • Site access • Assembled in 48 hours • Public viewing area
Construction • Pre-Move Deck Crack Inspection • Deflection monitoring during bridge Move • Post move crack inspection • Pier closure pours • May 28thto June 23rd closure window
Construction • Pre-cast pier construction • Driven pile and cast in place pile cap • Detailed bar steel placement with template • High early strength masonry
Construction • Pre-cast concrete columns • High strength bar steel couplers • Footing to column connection • Column to precast cap connection • 8000 psi non shrink grout
Construction • 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
Construction • 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
Construction • Keys to Project Success • Public outreach and involvement • Close coordination with prime and heavy lifter • Travel path preparation and planning • Project partnering with stakeholders
Rawson Bridge Move ***Bill to Insert SMPT Bridge Move Video ***