8/27/2020
v WEST SEATTLE BRIDGE REPLACEMENT (MASS TIMBER / STEEL vs. CIP CONCRETE vs. PRECAST CONCRETE) Cod.
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Activity
NTP, MOBILIZATION & DESIGN - Same for All Options NTP ON SITE MOBILIZATION DESIGN [Demolition] DESIGN [Demolition - Approval] DESIGN [New Bridge] DESIGN [New Bridge - Approval]
DEMOLITION - Same for All Options EQUIPMENT [Procurement] EQUIPMENT [Design, Fabrication, Delivery, Assemblt, Test & commissioning] DEMOLITION [Edge & Median Barriers] DEMOLITION [Deck Overhangs] DEMOLITION [Back Spans - Unbalanced Segments] DEMOLITION [Main Spans - Balanced Cantilever Segments] DEMOLITION [Main Piers 16 & 17 - Pier Heads] DEMOLITION [Main Piers 16 & 17 - Piers] DEMOLITION [Main Piers 16 & 17 - Pile Caps] DEMOLITION [Main Piers 16 & 17 - Foundations] - It is assumed that existing Piles can be reused DEMOLITION [Transition Piers 15 & 18 - Pier Heads] DEMOLITION [Transition Piers 15 & 18 - Piers] DEMOLITION [Transition Piers 15 & 18 - Pile Caps] DEMOLITION [Transition Piers 15 & 18 - Foundations] - It is assumed that existing Piles can be reused
23 MASS TIMBER / STEEL OPTION - Single Deck Section 130 ft wide 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
SUBSTRUCTURES [Main Piers 16 & 17 - Foundations] - It is assumed that existing Piles can be reused SUBSTRUCTURES [Main Piers 16 & 17 - Pile Caps] SUBSTRUCTURES [Main Piers 16 & 17 - Piers] SUBSTRUCTURES [Main Piers 16 & 17 - Pier Heads] SUBSTRUCTURES [Transition Piers 15 & 18 - Foundations] - It is assumed that existing Piles can be reused SUBSTRUCTURES [Transition Piers 15 & 18 - Pile Caps] SUBSTRUCTURES [Transition Piers 15 & 18 - Piers] SUBSTRUCTURES [Transition Piers 15 & 18 - Pier Heads] DECK STEEL STRUCTURE [Fabrication & Delivery to site] DECK STEEL STRUCTURE [Back Spans Assembly] DECK STEEL STRUCTURE [West Back Span Delivery to Erection Site] DECK STEEL STRUCTURE [West Back Span Partial Lifting & Underslung Arch Assembly] DECK STEEL STRUCTURE [West Back Span Final Lifting] DECK STEEL STRUCTURE [East Back Span Delivery to Erection Site] DECK STEEL STRUCTURE [East Back Span Partial Lifting & Underslung Arch Assembly] DECK STEEL STRUCTURE [East Back Span Final Lifting] DECK STEEL STRUCTURE [Main Span Assembly] DECK STEEL STRUCTURE [Main Span Delivery to Erection Site] DECK STEEL STRUCTURE [Main Span Final Lifting] DECK CONCRETE SLAB MASS TIMBER FINISHING WORKS MASS TIMBER / STEEL OPTION - SUBSTANTIAL COMPLETION
47 CIP CONCRETE OPTION - Twin Deck Box Section 65 ft wide each 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
SUBSTRUCTURES [Main Piers 16 & 17 - Foundations] - It is assumed that existing Piles can be reused SUBSTRUCTURES [Main Piers 16 & 17 - Pile Caps] SUBSTRUCTURES [Main Piers 16 & 17 - Piers] SUBSTRUCTURES [Main Piers 16 & 17 - Pier Heads] SUBSTRUCTURES [Transition Piers 15 & 18 - Foundations] - It is assumed that existing Piles can be reused SUBSTRUCTURES [Transition Piers 15 & 18 - Pile Caps] SUBSTRUCTURES [Transition Piers 15 & 18 - Piers] SUBSTRUCTURES [Transition Piers 15 & 18 - Pier Heads] DECK CONCRETE STRUCTURE [E/B - Balanced Cantilever Segments over Main Pier 16 - 1U&D] DECK CONCRETE STRUCTURE [E/B - Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [E/B - Balanced Cantilever Segments at Main Pier 16] DECK CONCRETE STRUCTURE [E/B - Back span Unbalanced Segments at Transition Pier 15] DECK CONCRETE STRUCTURE [E/B - Balanced Cantilever Segments at Main Pier 17 - 1U&D] DECK CONCRETE STRUCTURE [E/B - Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [E/B - Balanced Cantilever Segments over Main Pier 17] DECK CONCRETE STRUCTURE [E/B - Back span Unbalanced Segments at Transition Pier 18] DECK CONCRETE STRUCTURE [W/B - Balanced Cantilever Segments over Main Pier 16 - 1U&D] DECK CONCRETE STRUCTURE [W/B - Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [W/B - Balanced Cantilever Segments at Main Pier 16] DECK CONCRETE STRUCTURE [W/B - Back span Unbalanced Segments at Transition Pier 15] DECK CONCRETE STRUCTURE [W/B - Balanced Cantilever Segments at Main Pier 17 - 1U&D] DECK CONCRETE STRUCTURE [W/B - Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [W/B - Balanced Cantilever Segments over Main Pier 17] DECK CONCRETE STRUCTURE [W/B - Back span Unbalanced Segments at Transition Pier 18] DECK CONCRETE STRUCTURE [E/B & W/B - Form Travellers Disassembly] DECK CONCRETE STRUCTURE [Longitudinal CIP Stitch between E/B & W/B] FINISHING WORKS CIP CONCRETE OPTION - SUBSTANTIAL COMPLETION
76 PRECAST CONCRETE OPTION - Twin Deck Box Section 65 ft wide each 77 78 79 80 81 82
SUBSTRUCTURES [Main Piers 16 & 17 - Foundations] - It is assumed that existing Piles can be reused SUBSTRUCTURES [Main Piers 16 & 17 - Pile Caps] SUBSTRUCTURES [Main Piers 16 & 17 - Piers] SUBSTRUCTURES [Main Piers 16 & 17 - Pier Heads] SUBSTRUCTURES [Transition Piers 15 & 18 - Foundations] - It is assumed that existing Piles can be reused SUBSTRUCTURES [Transition Piers 15 & 18 - Pile Caps]
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Months M1
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11.00
11.00
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18.00
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M2
M3
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M5
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M8
M9 M10 M11 M12 M13 M14 M15 M16 M17 M18 M19 M20 M21 M22 M23 M24 M25 M26 M27 M28 M29 M30 M31 M32 M33 M34 M35 M36 M37 M38 M39 M40 M41 M42 M43 M44 M45 M46 M47 M48 M49 M50 M51 M52 M53 M54
NTP, MOBILIZATION & DESIGN ‐ Same for All Options NTP ON SITE MOBILIZATION DESIGN [Demolition] DESIGN [Demolition ‐ Approval] DESIGN [New Bridge] DESIGN [New Bridge ‐ Approval]
DEMOLITION ‐ Same for All Options EQUIPMENT [Procurement] EQUIPMENT [Design, Fabrication, Delivery, Assemblt, Test & commissioning] DEMOLITION [Edge & Median Barriers] DEMOLITION [Deck Overhangs] DEMOLITION [Back Spans ‐ Unbalanced Segments] DEMOLITION [Main Spans ‐ Balanced Cantilever Segments] DEMOLITION [Main Piers 16 & 17 ‐ Pier Heads] DEMOLITION [Main Piers 16 & 17 ‐ Piers] DEMOLITION [Main Piers 16 & 17 ‐ Pile Caps] DEMOLITION [Main Piers 16 & 17 ‐ Foundations] ‐ It is assumed that existing Piles can be reused DEMOLITION [Transition Piers 15 & 18 ‐ Pier Heads] DEMOLITION [Transition Piers 15 & 18 ‐ Piers] DEMOLITION [Transition Piers 15 & 18 ‐ Pile Caps] DEMOLITION [Transition Piers 15 & 18 ‐ Foundations] ‐ It is assumed that existing Piles can be reused
MASS TIMBER / STEEL OPTION ‐ Single Deck Section 130 ft wide SUBSTRUCTURES [Main Piers 16 & 17 ‐ Foundations] ‐ It is assumed that existing Piles can be reused SUBSTRUCTURES [Main Piers 16 & 17 ‐ Pile Caps] SUBSTRUCTURES [Main Piers 16 & 17 ‐ Piers] SUBSTRUCTURES [Main Piers 16 & 17 ‐ Pier Heads] SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Foundations] ‐ It is assumed that existing Piles can be reused SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Pile Caps] SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Piers] SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Pier Heads] DECK STEEL STRUCTURE [Fabrication & Delivery to site] DECK STEEL STRUCTURE [Back Spans Assembly] DECK STEEL STRUCTURE [West Back Span Delivery to Erection Site] DECK STEEL STRUCTURE [West Back Span Partial Lifting & Underslung Arch Assembly] DECK STEEL STRUCTURE [West Back Span Final Lifting] DECK STEEL STRUCTURE [East Back Span Delivery to Erection Site] DECK STEEL STRUCTURE [East Back Span Partial Lifting & Underslung Arch Assembly] DECK STEEL STRUCTURE [East Back Span Final Lifting] DECK STEEL STRUCTURE [Main Span Assembly] DECK STEEL STRUCTURE [Main Span Delivery to Erection Site] DECK STEEL STRUCTURE [Main Span Final Lifting] DECK CONCRETE SLAB MASS TIMBER FINISHING WORKS MASS TIMBER / STEEL OPTION ‐ SUBSTANTIAL COMPLETION
CIP CONCRETE OPTION ‐ Twin Deck Box Section 65 ft wide each SUBSTRUCTURES [Main Piers 16 & 17 ‐ Foundations] ‐ It is assumed that existing Piles can be reused SUBSTRUCTURES [Main Piers 16 & 17 ‐ Pile Caps] SUBSTRUCTURES [Main Piers 16 & 17 ‐ Piers] SUBSTRUCTURES [Main Piers 16 & 17 ‐ Pier Heads] SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Foundations] ‐ It is assumed that existing Piles can be reused SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Pile Caps] SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Piers] SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Pier Heads] DECK CONCRETE STRUCTURE [E/B ‐ Balanced Cantilever Segments over Main Pier 16 ‐ 1U&D] DECK CONCRETE STRUCTURE [E/B ‐ Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [E/B ‐ Balanced Cantilever Segments at Main Pier 16] DECK CONCRETE STRUCTURE [E/B ‐ Back span Unbalanced Segments at Transition Pier 15] DECK CONCRETE STRUCTURE [E/B ‐ Balanced Cantilever Segments at Main Pier 17 ‐ 1U&D] DECK CONCRETE STRUCTURE [E/B ‐ Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [E/B ‐ Balanced Cantilever Segments over Main Pier 17] DECK CONCRETE STRUCTURE [E/B ‐ Back span Unbalanced Segments at Transition Pier 18] DECK CONCRETE STRUCTURE [W/B ‐ Balanced Cantilever Segments over Main Pier 16 ‐ 1U&D] DECK CONCRETE STRUCTURE [W/B ‐ Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [W/B ‐ Balanced Cantilever Segments at Main Pier 16] DECK CONCRETE STRUCTURE [W/B ‐ Back span Unbalanced Segments at Transition Pier 15] DECK CONCRETE STRUCTURE [W/B ‐ Balanced Cantilever Segments at Main Pier 17 ‐ 1U&D] DECK CONCRETE STRUCTURE [W/B ‐ Form Travellers Assembly & Commissioning] DECK CONCRETE STRUCTURE [W/B ‐ Balanced Cantilever Segments over Main Pier 17] DECK CONCRETE STRUCTURE [W/B ‐ Back span Unbalanced Segments at Transition Pier 18] DECK CONCRETE STRUCTURE [E/B & W/B ‐ Form Travellers Disassembly] DECK CONCRETE STRUCTURE [Longitudinal CIP Stitch between E/B & W/B] FINISHING WORKS CIP CONCRETE OPTION ‐ SUBSTANTIAL COMPLETION
PRECAST CONCRETE OPTION ‐ Twin Deck Box Section 65 ft wide each SUBSTRUCTURES [Main Piers 16 & 17 ‐ Foundations] ‐ It is assumed that existing Piles can be reused SUBSTRUCTURES [Main Piers 16 & 17 ‐ Pile Caps] SUBSTRUCTURES [Main Piers 16 & 17 ‐ Piers] SUBSTRUCTURES [Main Piers 16 & 17 ‐ Pier Heads] SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Foundations] ‐ It is assumed that existing Piles can be reused SUBSTRUCTURES [Transition Piers 15 & 18 ‐ Pile Caps]
WEST SEATTLE BRIDGE_Construction Schedule_R2
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