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August 7, 2020 <br />Nicholas Zastrow, AIA <br />HH Architecture <br />1100 Dresser Court, Raleigh, NC 27609 <br />Re: Orange County Whitted Building Office Upfit <br />LM Project No: R20.168 <br />Dear Nick, <br />Below are our findings from our limited observations and structural analysis <br />of the existing Orange County Whitted Building for the scope of the office <br />upfit: <br />Background: <br />On July 30th, 2020, Lynch Mykins performed a site visit at 300 W Tryon <br />Street in Hillsborough, North Carolina. The purpose of that visit and this <br />report is to describe our assessment of the existing conditions of the areas <br />proposed for office upfit and provide recommendations for strengthening <br />the existing first elevated floor framing as determined by our limited <br />structural analysis. <br />General Description: <br />The existing structure consists of two stories of clinic and office space for <br />the Orange County Health Department. It is understood that the structure <br />was completed in 1950 based on Orange County GIS records, and the <br />original structure was reportedly designed as a school according to <br />employees of the health department. The existing southwest corner of the <br />structure was analyzed by William D. Bilger, PE, and the safe live load was <br />determined to be 30psf. This was documented in a drawing by Kenneth <br />Redfoot, RA, of Corley Redfoot Architects. <br />The building structure, including Area 2 as indicated on the attached plan, <br />appears to consist of load bearing triple-wythe brick walls and round HSS <br />steel columns supporting wood beams and wood girders. Wood beams are <br />spaced at approximately 6 feet on center and the floor decking consists of <br />tongue-and-groove wood members. Area 1 consists of two channels thru <br />bolted to the wood beams as described above. Area 3 consists of wide- <br />flange steel beams directly below the wood framing and additional HSS <br />square steel columns. Areas 4 and 5 consist of 2x12’s spaced at <br />approximately 2’-0” on center bearing on wood girders and steel columns. <br />DocuSign Envelope ID: 8F87A0BE-1C54-4748-B7E6-A0F7CAA7E363