Bus Base North Historic and Archaeological Resources Report
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Bus Base North Historic and Archaeological Resources Report June 2020 Bus Base North Consultant Quality Control Form Originator/ Notes, as Version Title Date Drafted by Reviewed by Approved by required 0 08.06 Bus Base 9/11/2019 Chris Larissa King Chris Wellander Initial Issue North Historic Lockwood Rawlins and Ph.D. and Ed Reynolds Archaeological Chanda R. (tech edit) Resources Schneider Sandi Wise Report – Draft (QC Review) 1 08.06 Bus Base 11/22/2019 Chris Ed Reynolds Larissa King Revisions North Historic Lockwood (tech edit) Rawlins per Sound and Ph.D. and Sandi Wise Transit Archaeological Chanda R. (QC Review) comments Resources Schneider Report – Second Draft 2 08.06 Bus Base 6/18/2020 Chris Ed Reynolds Larissa King Final North Historic Lockwood (tech edit) Rawlins version and Ph.D. and Sandi Wise Archaeological Chanda R. (QC Review) Resources Schneider Report Page i | AE 0054-17 | Bus Base North Historic and Archaeological Resources Report June 2020 Bus Base North Summary As part of the environmental review process this report assesses known and potential cultural (historic and archaeological) resources at the proposed Bus Base North (BBN) parcel. The BBN parcel remained relatively undeveloped until the late 20th century. There are no recorded aboveground historic-aged buildings or structures, archaeological sites, ethnographic sites, or traditional cultural properties located within or adjacent to the BBN parcel. Native American use of the general area is documented in ethnographic studies and archaeological surveys, but no particular Native American use of the BBN parcel itself has been documented. Results from an archaeological survey and two geotechnical studies completed within the BBN parcel provides evidence of widespread filling and disturbance, but no evidence that archaeological sites are present. Therefore, the project is anticipated to result in no impact to archaeological sites. Furthermore, there are no historic register-eligible buildings or structures within or adjacent to the BBN parcel. Therefore, the project is anticipated to result in no impact to historic properties. The project should proceed under the terms of an Archaeological Resources Inadvertent Discovery Plan (IDP), which will set forth the procedures and protocols to be followed in the event that archaeological resources are inadvertently discovered during construction. Construction personnel should receive a cultural resources orientation with specific discussion of the requirements of the IDP prior to beginning ground-disturbing work. Page ii | AE 0054-17 | Bus Base North Historic and Archaeological Resources Report June 2020 Bus Base North Table of Contents 1 INTRODUCTION ............................................................................................................... 1 1.1 Overview ............................................................................................................... 1 1.2 Purpose of technical memorandum ....................................................................... 2 1.3 Bus Base North ..................................................................................................... 2 1.4 Area of Impacts ..................................................................................................... 2 1.5 Study Area ............................................................................................................. 5 1.6 Regulatory context ................................................................................................ 5 1.6.1 Federal ...................................................................................................... 5 1.6.2 State .......................................................................................................... 5 1.6.3 Local .......................................................................................................... 5 2 PROJECT DESCRIPTION ................................................................................................ 6 2.1 On-site facilities ..................................................................................................... 6 2.1.1 Maintenance and operations building ........................................................ 6 2.1.2 Bus storage and elevated parking deck ..................................................... 6 2.1.3 Security guard house ................................................................................. 9 2.1.4 Fuel and wash buildings ............................................................................ 9 2.2 Utilities and connections ........................................................................................ 9 2.3 Site work .............................................................................................................. 10 3 METHODOLOGY ............................................................................................................ 11 4 ENVIRONMENTAL SETTING ........................................................................................ 11 5 CULTURAL SETTING .................................................................................................... 14 5.1 Precontact ........................................................................................................... 14 5.2 Ethnographic ....................................................................................................... 14 5.3 Historic ................................................................................................................ 15 5.4 Existing cultural resources .................................................................................. 16 5.5 Built environment ................................................................................................. 17 5.6 Previous subsurface investigation of the Bus Base North parcel ........................ 17 6 ENVIRONMENTAL IMPACTS ........................................................................................ 19 Page iii | AE 0054-17 | Bus Base North Historic and Archaeological Resources Report June 2020 Bus Base North 7 MITIGATION ................................................................................................................... 19 7.1 Construction impacts ........................................................................................... 19 7.2 Long-term impacts ............................................................................................... 19 8 REFERENCES ................................................................................................................ 20 Figures Figure 1-1 Bus Base North vicinity map ................................................................................. 1 Figure 1-2 Bus Base North Area of Impacts ........................................................................... 3 Figure 1-3 Bus Base North Area of Impacts ........................................................................... 4 Figure 2-1 Bus Base North – Ground-level site plan .............................................................. 7 Figure 2-2 Bus Base North – Second-level site plan .............................................................. 8 Figure 4-1 Geologic map ...................................................................................................... 12 Figure 4-2 Soils map ............................................................................................................. 13 Figure 5-1 Shovel probe locations, ESA January 2019 (Lockwood et al. 2019) ................... 18 Tables Table 5-1 Precontact periods .............................................................................................. 14 Table 5-2 Cultural resource assessments conducted within the Study Area ....................... 17 Page iv | AE 0054-17 | Bus Base North Historic and Archaeological Resources Report June 2020 Bus Base North Acronyms and Abbreviations APE Area of Potential Effects BBN Bus Base North BMC Bothell Municipal Code BRT bus rapid transit bs below surface cal BP Calibrated Years Before Present CFR Code of Federal Regulations DAHP Department of Archaeology and Historic Preservation NRHP National Register of Historic Places Project Bus Base North RCW Revised Code of Washington SEPA State Environmental Policy Act SPM Statewide Predictive Model ST3 Sound Transit 3 Plan USACE United States Army Corps of Engineers WISAARD Washington Information System for Architectural and Archaeological Records Data Page v | AE 0054-17 | Bus Base North Historic and Archaeological Resources Report June 2020 Bus Base North 1 INTRODUCTION 1.1 Overview As was identified in the Sound Transit 3 (ST3) System Plan (Sound Transit 2016), Sound Transit is planning for a new bus operations and maintenance facility (Bus Base North [BBN]) located near the Interstate I-405/State Route (SR) 522 corridors to service vehicles operating on the I-405 and SR 522/NE 145th Bus Rapid Transit (BRT) lines and ST Express buses. The site identified for development of the BBN project is in the Canyon Park subarea of Bothell along 20th Avenue SE, as shown in Figure 1-1, Figure 1-2, and Figure 1-3. Figure 1-1 Bus Base North vicinity map Page 1 | AE 0054-17 | Bus Base North Historic and Archaeological Resources Report June 2020 Bus Base North The BBN project would provide support for up to 80 articulated (60 feet in length) and 40 double- decker or standard transit coaches (40 feet in length). The fleet would primarily be diesel/electric hybrid buses, but approximately 10 of the buses would