TagConstruction(149)

HNTB-prepared maps dated September 27, 2001 showing Phase 4 Construction Wetlands Impact under Post 404 Permit at Sea-Tac Airport. Administrative Record documents AR052143 and AR052144 depict wetland areas impacted by Phase 4 construction, including labeled wetland polygons (A5, A6, A7, A8, W1, W2, wetlands 16, 18, 19, 20a, 20b, 21, 22, 23, 35a, 35b, 35c,

AR017274 — Site stormwater monitoring data for STIA construction projects dated 9/26/2001, compiled by R. Simmons and S. Currie. Documents pH readings, turbidity, sheen observations, and field comments for multiple construction discharge sites including SDE4-911, SDE4-918, SDE4-948, SDE4-958, SDE4-282, SDE4-059, SDE4-064, SDE4-996, SDE4-064, SDE4-118, SDE4-111, SDE4-059, SDE4-074. Covers projects including Booster Pump Station, Air Traffic

Draft geotechnical engineering report prepared by Hart Crowser, Inc. for HNTB regarding the Third Runway Embankment, Phase 5 at Sea-Tac International Airport, SeaTac, Washington (project no. 4978-28, AR 052045). Authored by Josepha D. Celes (Senior Staff Geotechnical Engineer) and Michael Bailey, P.E. (Project Manager). Covers site preparation, subgrade improvement, embankment fill construction, TESC Pond A,

Hart Crowser, Inc. subsurface conditions data report (project 4978-28) prepared for HNTB, dated September 21, 2001, covering Phase 5 Fill and Subgrade Improvement for the Third Runway Embankment at Sea-Tac International Airport, SeaTac, Washington. Report authored by Carsten Becker (E.I.T., Senior Staff Geotechnical Engineer) and Michael J. Bailey (P.E., Project Manager). Covers geologic and hydrogeologic

In a September 21, 2001 fax to John Drabek, Permit Manager at the Washington State Department of Ecology's Northwest Regional Office, Greg Wingard of Smith & Lowney followed up on a delayed State Public Disclosure Request concerning environmental monitoring data from construction activities at the airport. The letter clarifies that documents requested as far back as June 5, 2001—including upstream/downstream construction monitoring records and turbidity discharge data—had not yet been produced, despite being roughly three months overdue. Wingard requested that the documents be made available no later than September 25, 2001, and offered to pick them up in person to avoid further delay.

Port of Seattle webpage (AR028013) describing Third Runway construction progress at Seattle-Tacoma International Airport (Sea-Tac Airport). Details include delivery of fill material via temporary on/off ramps connecting South 176th Street and Highway 509, construction of retaining walls, stormwater detention pond, timber noise wall, and shoulder widening along SR-509. Contract for 1.9 million cubic yards of

Administrative Record AR051194 — Primavera Systems schedule document for the 3rd Runway Program (000683 Master Plan) at Sea-Tac Airport, updated as of 01SEP01. Covers Program Management, Environmental Permitting, West Side Laydown Area CIP, Auburn Wetlands Fill & Mitigation – Grading, and Safety Areas 16R/16L. Activities include site acquisition, noise mitigation, DOE 401 permit, environmental permitting,

Hart Crowser prepared this Final Draft Conceptual Borrow Material Development and Reclamation Plan for Borrow Areas 3 and 4 at Sea-Tac International Airport, City of SeaTac, Washington, for the Port Of Seattle, dated August 15, 2001 (project number 4978-65). The plan covers site preparation, excavation practices, reclamation, revegetation, weed control, stormwater management, and wetland protection

Sand and Gravel Stormwater Pollution Prevention Plan (SWPPP) prepared by Parametrix, Inc. for Port of Seattle, covering Borrow Areas 3 and 4 of the Third Runway Project at Seattle-Tacoma International Airport. Prepared August 2001, approved by Michael Feldman, Director of Aviation Facilities, Port of Seattle. Document checked by Paul Fendt, P.E. and prepared by Julie

Hart Crowser report (project 4978-44) prepared for HNTB documenting installation and verification results for Work Area 2 stone column test areas at the Third Runway Embankment Phase 4, SeaTac, Washington. Authored by Barry S. Chen, Ph.D., P.E. (Senior Associate Geotechnical Engineer) and John P. Laplante (Senior Staff Geotechnical Engineer). Report covers four test areas with