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EXH AR023763: Internal Email – Third Runway Excavation Material Disposal Site Options

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Sea-Tac Airport
Third Runway
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A March 1999 internal email from Patrick Cagney of the U.S. Army Corps of Engineers discusses potential disposal sites for excavated soil material related to a construction project near Seattle. Three options were identified: the Port of Seattle's third runway project (no tipping fee, hauling costs only), ProCon at 16 miles away (costs ranging from $32–$124 depending on truck size and material wetness), and Sunset at 13 miles away ($1.75 per yard). The email notes that hauling distances would be the primary cost driver across all options.

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Notes

Email from Patrick T. Cagney (NWS) to Paul W. Cooke and W. Brett Amrine (NWS), dated March 17, 1999, subject TB#3, discussing disposal site options for excavated material from the Sea-Tac Airport third runway project. Three potential disposal sites identified: (1) Port Of Seattle third runway site via John Rothnie — no tipping fee, hauling costs only, approximately 10 miles, pending Dept. of Ecology approval; (2) ProCon via Don Green — 16 miles, costs $32.12 per 10-yard truck or $62.15 if mud, $63.20 or $124.32 for 18-yard truck with pup; (3) Sunset via Paula Pozzy — 13 miles, $1.75 per yard. Chemistry results shared with all three vendors. Hauling distance identified as primary cost driver. AR 023763.

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