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St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans
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St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Apr 01, 2015

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Page 1: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

St Croix River CrossingS.P. 8221-82045

Contractor Information Meeting15 May 2013

River Spans

Page 2: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

General Arrangement

Page 3: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Main Span

3360' single structural unit Expansion joints at Pier 7 and East Abutment 600' extradose spans Twin wall pier legs to address time dependent and thermal effects

Page 4: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Towers

Page 5: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Sections

Page 6: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Sections

Page 7: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Main Span - ReinforcingReinforcing Grade Generally grade 60, except: Verticals on crossbeam – Gr 75 Deck level stay anchor blocks Gr 75

Corrosion Protection Generally epoxy coated except: Pier 8 legs for 10' below knuckle – SS Deck top slab reinforcing – SS

Page 8: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Main Span - ConcreteConcrete – Substructure and Towers Generally 6000 psi @ 28 days, except: Towers 24' below to 3' above crossbeam

8000 psi @ 56 days

Concrete - Deck Generally 8000 psi @ 56 days, except: First 8 precast deck segments 9000 psi @ 180 days

Page 9: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower – Leg Reinforcing

Page 10: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Reinfrocing

Page 11: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Reinforcing

Page 12: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Reinforcing

Page 13: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower - Crossbeam

Page 14: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower – Crossbeam PT

Page 15: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower - Crossbeam PT

Page 16: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower - Crossbeam PT

Page 17: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Crossbeam Node PT

Page 18: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Crossbeam Node Reinforcing

Page 19: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Crossbeam Node Reinforcing

Page 20: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Pylon Crossbeam Node

Page 21: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Pylon Crossbeam Node

Page 22: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

CIP Pier Table

Page 23: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Upper Tower

Page 24: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower - Anchor Box

Page 25: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower Anchor Box

Page 26: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Stay Cables Parallel Strand Stay Cable System All stays 76 – 0.62" stays Working at higher load than cable stays (0.52 fpu) Live end in tower Testing requirements per 6th Edition of PTI

Recommendations for Stay Cable Design Testing and Installation

Internal dampers required at lower end Damping required – 2.5% log dec – confirm by testing

Page 27: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Pier 13 General Arrangement

Page 28: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Typical Deck Section

Page 29: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Section at Stay Anchorage

Page 30: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Typical Deck Section

Page 31: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Section at Transition

Page 32: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower 8 Deck Segmentation

Page 33: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower 9, 10 and 11 Deck Segmentation

Page 34: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower 12 Deck Segmentation

Page 35: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Span 14 Deck Segmentation

Page 36: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Segments

Weights• 7.5' segments ≤ 140 tons• 8.5' segments ≤ 130 tons• Typical 10' segments ≤ 165 tons• 10 ' stay anchor segments ≤ 180 tons

Page 37: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tower 8, 9, 10, and 11 Tendon Layout

Page 38: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Tendon Layout Span 14

Page 39: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Bottom Tendons – Span 14

Page 40: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Continuity Tendons Span 8

Page 41: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Typical Continuity Tendons

Page 42: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Continuity Tendons Spans 13 and 14

Page 43: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Typical Future PT

Page 44: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Typical Deck Segments

Page 45: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Typical Bulkhead

Page 46: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Typical Segment Reinforcing

Page 47: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Blisters

Page 48: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Transverse Deck PT

Page 49: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Belvederes

Page 50: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Belvederes - PT

Page 51: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Belvederes

Page 52: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Belvederes – Reinforcing

Page 53: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

St Croix River CrossingS.P. 8221-82045

Contractor Information Meeting15 May 2013

River Span - Construction

Page 54: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Pier Table Construction

Page 55: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Pier Table Construction

Page 56: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Pier Table Construction

Page 57: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Global Construction Scheme

Page 58: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 8

Page 59: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Segment Lifter

Max segment weight 180 tons Lifting frame weight 145 tons Stressing platform 17 tons Transporter 33 tons, 7 axles at 4'-3"

Page 60: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Segment Lifter

Page 61: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 8

Page 62: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 8

Page 63: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 8

Page 64: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 8

Page 65: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 8

Page 66: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 13 to East Abutment

Page 67: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Sequence Pier 13 to East Abutment

Page 68: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Deck Erection Pier 13 to East Abutment

Page 69: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Sequence Pier 13 to East Abutment

Page 70: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Sequence Pier 13 to East Abutment

Page 71: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Longitudinal Infill

Page 72: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Longitudinal Infill

Page 73: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Stay Strut Erection

Page 74: St Croix River Crossing S.P. 8221-82045 Contractor Information Meeting 15 May 2013 River Spans.

Stay Strut Erection