Item No.: 8g_supp
Date of Meeting: April 14, 2026
Terminal 5 upland projects authorization for
ERL Funding
Action Requested
• Request Port of Seattle Commission authorization for the
Executive Director to authorize spending $6,318,000 of
Environmental Remediation Liability (ERL) costs for the
disposal of legacy contaminated soil from the Terminal 5
Upland projects authorized under the Terminal 5 Berth
Modernization Management Reserve (CIP 800988) and the
Terminal 5 Modern 3
rd
Lease Amendment Capital Improvement
Plans (CIP 801340).
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Project Location
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Background
An estimated 86,000 tons of contaminated soil and slag needs to be
removed from the following four previously authorized NWSA projects
located in the uplands of Terminal:
• T5 North Reefer Infrastructure Project (U00649)
o In construction, reaches substantial completion Q2 2026
• T5 New Gate Complex Project (U00673)
o In construction, reached substantial complete on April 1, 2026.
• T5 Phase II Uplands Paving Project (U00708)
o Construction starts Q2 2026, substantial completion expected Q4 2026
• T5 Container Yard Expansion Project (U00712)
o Construction starts Q2 2026, substantial completion expected Q3 2026
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Cost Breakdown
5
Reefer
U00649
Gate
U00673
Paving
U00708
Yard Exp
(U00712)
Total
NWSA COSTS
Design/Softcosts $5,642,275 $3,900,884 $1,504,879 $2,406,206 $13,454,244
Construction * $29,776,855 $10,651,058 $15,809,968 $15,868,913 $72,106,794
Project Total $35,419,130 $14,551,942 $17,314,847 $18,275,119 $85,561,038
Incremental Soil Disposal Costs Details
NWSA Soil Disposal Cost
$545,730 $213,210 $1,100,240 $709,500 $2,568,680
Port ERL Cost
$1,753,145 $619,942 $2,483,032 $1,461,881
$6,318,000
Total Soil Disposal Costs
$2,298,875 $833,152 $3,583,272 $2,171,381 $8,886,680
*Port ERL Costs are not included in the NWSA Construction Costs
Recommendation
• Use Port ERL funds to dispose of the soil from NWSA T5
uplands projects.
– Recognizes the obligatory event under GASB 49 (AC-9) as an
environmental remediation liability.
– Adheres to NWSA Charter that the relevant homeport shall be
responsible for the incremental cost of disposal for legacy
contamination that pre-dates NWSA operations.
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ERL Authorization Summary
Authorization
Capital Expense Total
Previous authorizations $0 $0 $0
Current request for authorization $0 $6,318,000 $6,318,000
Total authorizations, including this
request
$0 $6,318,000 $6,318,000
Remaining amount to be authorized $0 $6,318,000 $6,318,000
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Discussion / Questions?
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