A July 23, 2019 Port of Seattle briefing document outlines the aviation capital planning and preliminary design process for Sea-Tac Airport, covering three phases: completed master planning, advanced planning still in progress, and preliminary design requiring capital funds approval. Key topics include near-term projects, projects requiring preliminary design authorization, and the relocation of a Glideslope Antenna. The preliminary design phase aims to develop individual project programs in sufficient detail to produce a Project Definition Document (PDD) and transition projects into full design.Open full document
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Port of Seattle Aviation Capital Planning & Preliminary Design Action Item presentation dated July 23, 2019 (Item No. 3c). Covers the airport project planning process across three phases: master planning (complete), advanced planning (in progress), and preliminary design (current capital funds request). Topics include near-term projects, projects requiring preliminary design, Glideslope Antenna Relocation, and next steps. Preliminary design phase produces a Project Definition Document (PDD) for individual projects at Sea-Tac Airport, including the Second Terminal curb and functional area configuration.