6617 ASSOCIATED BLVD AMAZON Geotech Report 2022-10-25

• • (Kt:El/VP-ELDER �� • TABLE OF CONTENTS • • Section Page • 1 INTRODUCTION 1 • 1.1 PROJECT DESCRIPTION 1 • 1.2 SCOPE OF SERVICES 1 • 1.2.1 Task 1 — Background Data Review 2 1.2.2 Task 2 — Field Exploration 2 • 1.2.3 Task 3— Laboratory Testing 3 • 1.2.4 Task 4— Floor Flatness/ Floor Levelness Testing 3 1.2.5 Task 5—Visual Pavement Condition Assessment 3 • 1.2.6 Task 6—Geotechnical Analyses and Report Preparation 4 • 2 SITE AND SUBSURFACE CONDITIONS 6 2.1 GENERAL SITE DESCRIPTION 6 • 2.2 VISUAL PAVEMENT ASSESSMENT 6 • 2.2.1 Pavement Condition 6 • 2.2.2 Existing Pavement Thicknesses 7 2.3 SUBSURFACE CONDITIONS 7 • 3 FLOOR FLATNESS / LEVELNESS TESTING 9 • 3.1 GENERAL COMMENTS 9 3.2 APPLICABLE STANDARDS & SPECIFICATIONS 9 • 4 CONCLUSIONS AND RECOMMENDATIONS 11 • 4.1 GENERAL 11 • 4.2 FOUNDATIONS 11 4.2.1 General 11 • 4.2.2 Spread Footing Foundations for Building Improvements 11 • 4.2.3 Short Drilled Piles for Building Improvements 13 4.3 SEISMIC DESIGN 14 • 4.3.1 2018 IBC Seismic Design Parameters 14 • 4.3.2 Liquefaction Hazard 15 • 4.4 PAVEMENT REHABILITATION AND NEW PAVEMENT SECTIONS 15 4.4.1 General 15 • 4.4.2 Proposed Truck Routes (Heavy-Duty Pavement) 16 • 4.4.3 Proposed Delivery Van Routes (Medium-Duty Pavement) 16 4.4.4 Aggregate Base 16 • 4.4.5 Construction Considerations 17 • 4.5 EARTHWORK 18 • 4.5.1 General 18 4.5.2 Site Preparation 18 • 4.5.3 Unstable Subgrade Conditions 19 • 4.5.4 Foundation Excavations 20 4.5.5 Structural Fill Material and Compaction Criteria 21 • 4.5.6 Excavation Characteristics 21 • 4.5.7 Temporary Excavations 22 • 4.6 SOIL CORROSIVITY 22 5 ADDITIONAL SERVICES 24 • 5.1 PLANS AND SPECIFICATIONS REVIEW 24 • 5.2 CONSTRUCTION OBSERVATION AND TESTING 24 6 LIMITATIONS 25 • 7 REFERENCES 28 • • 20203884.001A/SEA20R110164 Page iii of iv June 1, 2020 • ©2020 Kleinfelder •