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TRIGON <br /> ENGINEERING CONSULTANTS, INC. <br /> 6003 Chapel Hill Road, Suite 109• Raleigh, NC 27607 • (919) 859-0232• FAX (919) 859.1168 <br /> July 27, 1994 <br /> 031-94-036-P <br /> G.J. Tierney Engineering <br /> 6015 Chapel Hill Road <br /> Raleigh, North Carolina 27607 <br /> Attention: Mr. Glenn Eason, P.E. <br /> Reference: Proposal for Subsurface Exploration <br /> Orange County Jail and Courthouse Additions <br /> Hillsborough, North Carolina <br /> Gentlemen: <br /> Trigon Engineering Consultants, Inc. (Trigon) appreciates the opportunity to submit this <br /> proposal to conduct a subsurface exploration and geotechnical evaluation for the proposed <br /> additions to both the existing Orange County Jail and Courthouse in Hillsborough, North <br /> Carolina. This proposal has been prepared based on the information provided by Mr. Glenn <br /> Eason of G.J. Tierney Engineering. Outlined in this proposal is a brief description of the <br /> project along with our proposed scope of services and an estimated fee. <br /> PROJECT INFORMATION <br /> The project will consist of the construction of an addition to both the existing Orange <br /> County Jail and Courthouse buildings. The jail structure is a two- and three-story building <br /> consisting of reinforced concrete with bearing walls and beam-column construction. We <br /> understand that maximum column and wall loads are on the order of approximately 400 kips and <br /> 6 kips/foot, respectively. Finish ground floor elevation of the existing structure is at 524.17 feet <br /> (site datum). <br /> The courthouse addition will be a lightweight, one-story and bearing wall structure. For <br /> this type of construction, we anticipate that wall loads will not exceed 3 kip/foot. <br />