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and women's bathrooms each containing three fix- <br />tures. A reinforced concrete walled holding <br />cell, 8' by 12' is located adjacent to the court- <br />room and is connected with a stairway and tunnel <br />to the city's public safety building adjoining <br />the subject property. This tunnel on the lower <br />level is described later in this report. There <br />are four partitioned multi -purpose offices in an <br />attached room, located at the northeasterly cor- <br />ner of the building off the lobby. <br />The courtroom addition was constructed with <br />similar materials and design to the original <br />structure and appears now to have the same <br />physical age and certainly the same effective <br />age. The foundations are continuous concrete <br />perimeter walls tied into variable depth concrete <br />footings. The aforementioned tunnel is construc- <br />ted entirely of concrete walls, floor and ceiling <br />and measures 5' wide by 7'6" in height. The <br />basic floor throughout is constructed of a 5" <br />thick reinforced concrete slab tied to the peri- <br />meter walls and is supported on approximately <br />four feet of compact engineered earthfill. There <br />is a floor elevation change in the courtrooms <br />which have a 6" step-up to the jury and judges <br />levels. <br />The building has steel pipe columns over the <br />footings and these support variable sized wide <br />flange steel I -beams. All interior wall framing <br />is of 2" by 4" studding on 16" centers. There <br />is 3-1/2" standard steel diagonal pipe bracing <br />in the building interior, a design for seismic <br />safety. The exterior walls are finished with <br />cement plaster on a wire mesh and building paper <br />over a 1/2" exterior plywood, nailed to the wood <br />stud walls. The roof system has steel wide <br />flange beams supporting 2' by 10' joists, and <br />there is a 5' cantilevered soffit around the <br />perimeter of the building. The roof surface con- <br />sists of colored aggregate on a built-up roof <br />surface. There is 1" ridged insulation over a <br />plywood decking. <br />V <br />