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

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Presentation on theme: "HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Delivering Major Minnesota Bridges Hastings Bridge Design Build Project Redundancy and Service."— Presentation transcript:

1 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

2 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Location Map 2 Base Map Source: Google Maps

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

4 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Project Overview - Aerial Plan 4

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

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 o Refined Analysis Method 6

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

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 Points –Inspection/Maintenance 9 Points –Geotechnical 5 Points –Erection of Bridge No Points –Demolition of Bridge No Points 8

9 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE SCORING DRIVES INNOVATION Selection = Bid Price Technical Score Project Overview - Design-Build Process 9

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

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

12 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Design-Build Process – Base Concepts MnDOT RFP Baseline Options 12

13 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Design-Build Process – Base Concepts MnDOT Cable Stayed Option 13

14 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Design-Build Process – Base Concepts MnDOT Arch Option 14

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

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

17 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovation – Develop Alternatives Lunda/Ames-Parsons Alternatives 17

18 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovation – Develop Alternatives 18

19 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovation – Develop Alternatives 19

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

21 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Winning Alternative 21 Project Architect: Bradley Touchstone, Touchstone Architecture

22 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Visual Quality Process & Color Selection 22

23 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Aesthetic Lighting 23 Lighting Design: Illumination Arts

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

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

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

27 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Floor System Redundancy 27

28 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 28

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

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

31 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 31 Build Low On Land

32 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Erection 32 Move onto Barges Using SPMTs

33 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 33 Move onto Barges Using SPMTs

34 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 34 Float

35 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 35 Float

36 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 36 Skid

37 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 37 Skid

38 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 38 Skid

39 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 39 Lift

40 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 40 Lift

41 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 41 Lockoff

42 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Innovative Features - Erection 42 Get Some Sleep

43 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features 43 Column Supported Embankment Long Span Precast Concrete Beams

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

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 Long Span Longest Beam Overall length = Innovative beam design became the basis of MnDOTs new MW Long Span Precast Concrete Beam Standards

46 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features Photos: Joel Mich, Cretex 46 LONG SPAN PRECAST BEAMS

47 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features Photos: Joel Mich, Cretex 47 LONG SPAN PRECAST BEAMS

48 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Other Innovative Features 48 LONG SPAN PRECAST BEAMS

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

50 HASTINGS TIED ARCH BRIDGE | REDUNDANCY AND SERVICE LIFE Thank You 50


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