HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Delivering Major Minnesota Bridges Hastings Bridge Design Build Project Redundancy and Service

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HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Delivering Major Minnesota Bridges Hastings Bridge Design Build Project Redundancy and Service Life March 5, 2013 Vincent Gastoni, PE MnDOT ACEC/MN Annual Conference Leading Together- Innovative Solutions for an Evolving Industry Slide 2 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Location Map 2 Base Map Source: Google Maps Slide 3 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Overview - Existing Bridge 3 Project replaces 1950 steel arch truss Lowest 1% in the state for overall sufficiency Highway 61 over Mississippi River Highest daily two-lane highway traffic volume in the state MnDOT Chapter 152 Bridge Slide 4 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Overview - Aerial Plan 4 Slide 5 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Overview - Design-Build Process Design-Build SOQ Issued: October 2009 Design Build Selection: June 2010 MnDOT identified two acceptable alternatives RFP allowed Alternative Technical Concepts (ATCs) Design Build Team: 5 Slide 6 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Overview - Design-Build Process INNOVATIVE RFP FEATURES Alternative Technical Concepts (ATCs) Allow innovation and flexibility Pre Approved Elements (PAE) Reduce risk and provide best value opportunities o Redundancy Concepts for the Main Structure Segment o Scour Analysis Method o Bridge Fixity and Thermal Expansion of Bridge No. 19004 o Refined Analysis Method 6 Slide 7 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Overview - Design-Build Process TECHNICAL PROPOSAL SCORING Bridge 34 Points Environmental Management 6 Points Maintenance of Traffic 5 Points Public Communications 2 Points Schedule 3 Points 7 Slide 8 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Overview - Design-Build Process TECHNICAL PROPOSAL SCORING Bridge 34 Points Durability/Quality of Bridge No. 19004 13 Points Inspection/Maintenance 9 Points Geotechnical 5 Points Erection of Bridge No. 19004 4 Points Demolition of Bridge No. 5895 3 Points 8 Slide 9 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE SCORING DRIVES INNOVATION Selection = Bid Price Technical Score Project Overview - Design-Build Process 9 Slide 10 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE SCORING DRIVES INNOVATION Selection = Win Strategy= Bid Price Technical Score Minimize Bid Price Maximize Technical Score Project Overview - Design-Build Process 10 Slide 11 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE SCORING DRIVES INNOVATION Selection = Win Strategy= Use innovative ATCs & PAEs to: Minimize Risks Optimize Design Solution Bid Price Technical Score Minimize Bid Price Maximize Technical Score Project Overview - Design-Build Process 11 Need A Better Mouse Trap Slide 12 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Design-Build Process Base Concepts MnDOT RFP Baseline Options 12 Slide 13 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Design-Build Process Base Concepts MnDOT Cable Stayed Option 13 Slide 14 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Design-Build Process Base Concepts MnDOT Arch Option 14 Slide 15 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Base Concept Evaluation Evaluate Base Designs Preliminary engineering analysis Cost estimating exercises Produce Comprehensive Evaluation Matrix Tool Material costs & risks Develop Alternative Designs 15 Slide 16 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovation Develop Alternatives Evaluate Alternative Designs Prescriptive design/performance criteria Aesthetic requirements Technical scoring criteria Cost & schedule impacts Add to Comprehensive Evaluation Matrix Tool Develop Overall Best Value Technical Approach 16 Slide 17 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovation Develop Alternatives Lunda/Ames-Parsons Alternatives 17 Slide 18 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovation Develop Alternatives 18 Slide 19 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovation Develop Alternatives 19 Slide 20 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Winning Alternative 20 Project Architect: Bradley Touchstone, Touchstone Architecture Successful Proposal-Free Standing Tied Arch $120M 545 ft. Main Span Slide 21 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Winning Alternative 21 Project Architect: Bradley Touchstone, Touchstone Architecture Slide 22 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Visual Quality Process & Color Selection 22 Slide 23 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Aesthetic Lighting 23 Lighting Design: Illumination Arts Slide 24 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Concrete Tie Best value solution Higher level of redundancy Ease of inspection/maintenance 24 More durable than steel box No shop assembly and fit-up issues Active tension control Slide 25 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Concrete Knuckle Framed into pier and rib Improved durability/fit-up 25 Post-tensioned anchorage Highly redundant Slide 26 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features Steel Box Arch Rib Aesthetically pleasing Improved maintenance 26 Simplified fabrication Best Value solution Slide 27 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Floor System Redundancy 27 Slide 28 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 28 Slide 29 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 29 Build low TEMP TIE & FORMS TEMP BRACING FLOOR SYSTEM ARCH RIB TEMP LIFTING CONNECTION Slide 30 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 30 Build Low On Land TEMP TIE & FORMS TEMP BRACING FLOOR SYSTEM ARCH RIB TEMP LIFTING CONNECTION Slide 31 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 31 Build Low On Land Slide 32 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Erection 32 Move onto Barges Using SPMTs Slide 33 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 33 Move onto Barges Using SPMTs Slide 34 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 34 Float Slide 35 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 35 Float Slide 36 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 36 Skid Slide 37 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 37 Skid Slide 38 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 38 Skid Slide 39 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 39 Lift Slide 40 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 40 Lift Slide 41 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 41 Lockoff Slide 42 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 42 Get Some Sleep Slide 43 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features 43 Column Supported Embankment Long Span Precast Concrete Beams Slide 44 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features 44 COLUMN SUPPORTED EMBANKMENT 4 over 25 years CSE -10x10 Pile Grid Conc. Caps Sand/Geogrid Slide 45 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features 45 LONG SPAN PRECAST BEAMS Precast Pretensioned Concrete Beams 5 Spans of 9-Girder Lines 173-7 Long Span Longest Beam Overall length = 174-3 Innovative beam design became the basis of MnDOTs new MW Long Span Precast Concrete Beam Standards Slide 46 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features Photos: Joel Mich, Cretex 46 LONG SPAN PRECAST BEAMS Slide 47 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features Photos: Joel Mich, Cretex 47 LONG SPAN PRECAST BEAMS Slide 48 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features 48 LONG SPAN PRECAST BEAMS Slide 49 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Summary 49 Innovative RFP Process Best Value Approach Drives Innovation MnDOT Partnering in Innovation Continued Commitment to Innovation Slide 50 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Thank You 50