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Page 2 of 3 <br />1.3.Due to the early and conceptual nature of the alternatives, each Cost Opinion will include the <br />following cost opinion factors: <br />1.3.1.30% Contingency <br />1.3.2.25% Contractor Overhead & Profit <br />1.3.3.15% Engineering <br />2.Geotechnical Engineering Investigation <br />2.1.Donohue will enter into a sub-agreement with Sub-consultant (Atlas Technical Consultants <br />LLC) to perform geotechnical services associated with the construction of the new concrete <br />clearwell. <br />2.2.Geotechnical services will include three (3) soil borings (two at 25 feet deep, one at 40 feet <br />deep), all within the anticipated footprint of the new clearwell. <br />2.3.Laboratory testing will be performed and results will be compiled into a Geotechnical <br />Engineering Report, signed and sealed by a Licensed Professional Engineer. The Geotechnical <br />Engineering Report will include the following: <br />2.3.1.Project description. <br />2.3.2.Site description and subsurface conditions. <br />2.3.3.Subsurface investigation procedures. <br />2.3.4.Laboratory testing procedures and results. <br />2.3.5.Recommended foundation types and depths for the various proposed facilities. <br />2.3.6.Seismic site classification and spectral acceleration parameters. <br />2.3.7.Allowable bearing capacities and corresponding total and differential settlement. <br />2.3.8.Recommended pile types and capacities for gravity and uplift conditions. <br />2.3.9.Frost protection requirements. <br />2.3.10.Active, at-rest, and passive lateral earth pressures for the design of below grade <br />walls. <br />2.3.11.Coefficient of friction between concrete and in situ soil. <br />2.3.12.Excavation requirements. <br />2.3.13.Recommended backfill and site grading materials. <br />2.3.14.Backfill requirements for yard piping and structures. <br />2.3.15.Site grading requirements. <br />2.3.16.Estimated soil support index or modulus of subgrade reaction for pavement design. <br />2.3.17.Stability of natural slopes that may influence, or may be influenced by, the project <br />work. <br />2.3.18.Affect of proposed construction on existing facilities.