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<br /> <br />Table of Contents <br /> <br />Description Page <br /> <br />A. Introduction .................................................................................................................................... 1 <br />A.1. Project Description ............................................................................................................ 1 <br />A.2. Site Conditions and History................................................................................................ 2 <br />A.3. Purpose .............................................................................................................................. 4 <br />A.4. Background Information and Reference Documents ......................................................... 5 <br />A.5. Scope of Services ............................................................................................................... 5 <br />B. Results ............................................................................................................................................ 6 <br />B.1. Geologic Overview ............................................................................................................. 6 <br />B.2. Boring Results .................................................................................................................... 6 <br />B.3. Groundwater ..................................................................................................................... 7 <br />B.4. Laboratory Test Results ..................................................................................................... 8 <br />C. Recommendations .......................................................................................................................... 8 <br />C.1. Design and Construction Discussion .................................................................................. 8 <br />C.1.a. Building Subgrade Preparation ............................................................................. 8 <br />C.1.a.1. Option A – Standard Soil Correction ........................................................ 8 <br />C.1.a.2. Option B – Ground Improvement ............................................................ 8 <br />C.1.b. Reuse of On-Site Soils ........................................................................................... 9 <br />C.1.c. Groundwater ........................................................................................................ 9 <br />C.1.d. Construction Disturbance ..................................................................................... 9 <br />C.1.e. Pavement .............................................................................................................. 9 <br />C.2. Site Grading and Subgrade Preparation ........................................................................... 10 <br />C.2.a. Building Subgrade Excavations: Option A – Standard Soil Correction ................. 10 <br />C.2.b. Excavation Oversizing ......................................................................................... 11 <br />C.2.c. Excavated Slopes ................................................................................................ 11 <br />C.2.d. Excavation Dewatering ....................................................................................... 12 <br />C.2.e. Pavement and Exterior Slab Subgrade Preparation ............................................ 12 <br />C.2.f. Pavement Subgrade Proofroll ............................................................................. 13 <br />C.2.g. Engineered Fill Materials and Compaction ......................................................... 13 <br />C.2.h. Special Inspections of Soils ................................................................................. 14 <br />C.3. Spread Footings ............................................................................................................... 15 <br />C.4. Option B: Ground Improvement (with Aggregate Piers) .................................................. 15 <br />C.4.a. Net Allowable Bearing Pressure .......................................................................... 17 <br />C.4.b. Settlement .......................................................................................................... 17 <br />C.5. Interior Slabs.................................................................................................................... 17 <br />C.5.a. Subgrade Modulus .............................................................................................. 17 <br />C.5.b. Moisture Vapor Protection ................................................................................. 17 <br />C.6. Frost Protection and Exterior Slabs ................................................................................. 17 <br />C.6.a. General ............................................................................................................... 17 <br />C.6.b. Frost Heave Mitigation ....................................................................................... 18 <br />C.7. Pavements ....................................................................................................................... 19 <br />C.7.a. Design Sections ................................................................................................... 19 <br />C.7.b. Bituminous Pavement Materials ......................................................................... 20 <br />C.7.c. Subgrade Drainage.............................................................................................. 20 <br />C.7.d. Performance and Maintenance .......................................................................... 20 <br />C.8. Utilities ............................................................................................................................ 21