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PROJECT AUTHORIZATION FOR
Terminal 18 Dock Rehabilitation
9/27/2016 1
5C Presentation
Project Authorization
Terminal 18 Dock Rehabilitation
9/27/2016 2
As referenced in NWSA Resolution No. 2015-06, Exhibit A,
Delegation of Authority Master Policy, Paragraph 8.b.iii., states
project costs exceeding $300,000 require approval from Managing
Members.
Request project authorization in the amount of $200,000, for a
total authorized amount of $350,000, for the T18 Dock
Rehabilitation, Master Identification No. C800600.
Background
Terminal 18 Dock Rehabilitation
• 1969 Terminal 18 container terminal operations begin
• 2002 Terminal 18 upgraded to 196-acre international container
terminal
• 2011 Completed Terminal 18 comprehensive dock inspection
310/4/2016
Background Terminal 18 Dock RehabilitationProject Location – North Harbor
4
Terminal 18
10/4/2016
Background
Terminal 18 Concrete Dock Inspections
5
9/27/2016 6
Dock Conditions at T18
• Delayed Ettringite Formation (DEF) in Concrete Piles
• Toe Wall Gaps and Failed Cathodic Protection
• Pile Cap and Deck Panel Deterioration (future dock
rehabilitation project)
Background
Terminal 18 Dock Rehabilitation
Background
Terminal 18 Dock RehabilitationConcrete
Steel reinforcing bars
Typical concrete cracking
DEF expansion and cracking
DEF is Delayed Ettringite Formation. Ettringite crystals form some number of years after the concrete is cast. They break up the concrete as they grow and significantly decrease the concrete’s structural integrity.
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DEF in Concrete Piles
Project Description and Details
Terminal 18 Dock Rehabilitation
DEF Conditions at T18• 2011 pile inspections confirmed
DEF in 40 piles
• Project design will preserve piles
wherever possible
• Piles with advanced DEF will be
replaced
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Toe Wall Conditions• Inspections found gaps along toe wall and areas with corrosion of steel• Project will eliminate gaps and install cathodic protection
Project Description and Details
Terminal 18 Dock Rehabilitation
Paving
Soil
Seawall
Slope
Slope Armor
Toe Wall
Dock Apron
Structural Piles Pile Cap Beam
Fender System
Crane Rail
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Project Schedule
Terminal 18 Dock Rehabilitation
10
Activity Timeframe
Advertise Bids June 2017
Bid Opening July 2017
Contract Award August 2017
Contract Completion December 2017
10/4/2016
Source of Funds
Terminal 18 Dock Rehabilitation
• The estimated cost of the Design, Permits, and Construction
for this project is $1,639,000.
• The estimated budget for this project is $1,639,000.
• The 2017-2021 Capital Investment Plan allocates $1,639,000 for
this project.
1110/4/2016
Financial Summary
Terminal 18 Dock Rehabilitation
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Budget Estimate Cost to Date Remaining Cost
DESIGN $339,000 $139,000 $200,000
CONSTRUCTION $1,300,000 $0 $1,300,000
$1,639,000 $139,000 $1,500,000
Item
PROJECT TOTAL
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Environmental Impacts/Review
Terminal 18 Dock Rehabilitation
• Permitting: The project as currently configured would be covered
under the Port of Seattle’s programmatic piling permit. The
programmatic permit contains construction conditions to protect the
environment that will be included as part of the construction
specifications and bid conditions.
• Water Quality: Conditions include protection of water quality by
minimizing the amount of material that will enter the water.
1310/4/2016
Conclusion
Terminal 18 Dock Rehabilitation
Request project authorization in the amount of $200,000, for a
total authorized amount of $350,000, for the T18 Dock
Rehabilitation, Master Identification No. C800600
1410/4/2016
