
Engineering drawing prepared by Symonds Consulting Engineers for the Port of Seattle, titled 'Comprehensive Storm Drainage System Plan and Design – Storm Water Conveyance System, June 1997 Planned Conditions' (Drawing No. C-3258, Project No. 94066). The plan depicts SeaTac International Airport's stormwater drainage basins, outfall locations (Outfalls 002–016), storm flow monitoring locations, and drainage connections to Des Moines Creek and its east tributary.Open full document
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Engineering drawing prepared by Symonds Consulting Engineers for the Port of Seattle, titled ‘Comprehensive Storm Drainage System Plan and Design – Storm Water Conveyance System, June 1997 Planned Conditions’ (Drawing No. C-3258, Project No. 94066). The plan depicts SeaTac International Airport’s stormwater drainage basins, outfall locations (Outfalls 002–016), storm flow monitoring locations, and drainage connections to Des Moines Creek and its east tributary.