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BCE.COET.P.doc <br />September 5, 2024 <br />page | 2 <br /> <br /> <br /> <br />4. Laboratory Analyses – We will collect representative samples from our test pits in sealed <br />containers and transport them to our laboratory in Fife, Washington for further testing as <br />deemed necessary. <br />5. Engineering Analyses – Analyses will include feasibility of stormwater infiltration and flexible <br />and rigid pavement design. <br />6. Design Report – Preparing a Geotechnical Engineering Report summarizing our site <br />observations and conclusions, and our geotechnical recommendations and design criteria <br />along with the supporting data. <br /> <br />ASSUMPTIONS AND EXCLUSIONS <br /> Our assumptions and exclusions for our above scope items are described in the paragraphs <br />below. We have assumed Washington State prevailing wages apply. <br /> <br />Field Preparation: We will be provided with the most updated as-builts of underground utilities <br />within and adjacent to the project locations. We will complete all utility locate tickets and <br />coordination with property owners, as required. <br /> <br />Site Reconnaissance: Our reconnaissance will be performed by a GeoResources representative, who <br />will walk the site to observe surface conditions. The representative will identify and mark DCP <br />testing locations. Additionally, we will assess any access issues. <br /> <br />Subsurface Exploration: We assume that our crews will be given ready access to the work locations <br />and that all necessary permits and/or rights-of-entry will be obtained in advance by the client. We <br />have budgeted for all test pit locations to be restored. While excavating, the existing gravel <br />surfacing and underlying soils will be stockpiled. These materials will be replaced and compacted to <br />a dense, unyielding condition using a vibratory compactor. We will exercise due care while working <br />at the site, but some surface disturbance should be expected. If complete restoration of the <br />exploration locations with imported structural fill material is required, we should be notified and <br />allowed to amend our budget appropriately. <br /> <br />Laboratory Testing: Testing will include soil classification, moisture content determination, grain size <br />analysis, and Atterberg limits, as appropriate. Laboratory testing will be completed in accordance <br />with ASTM standard procedures. <br /> <br />Engineering Analyses: All pavement section design will utilize AASHTO methods with traffic data and <br />performance specifications provided by the owner. Our opinion about the feasibility onsite <br />infiltration will be in accordance with the 2019 Stormwater Management Manual for Western <br />Washington (SWMMWW), including design infiltration rate based on small scale Pilot Infiltration Test <br />(PIT) per SWMMWW Volume V, Chapter 5, Section 5.4. <br /> <br />Design Report: Our scope does not include work related to environmental concerns at the site, or <br />potential contamination of the site, including causation or remediation. Site specific seismic analysis <br />or dewatering design is not included in our scope.