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U <br />CERTIFICATE OF APPROPRIATENESS STAFF nrrrunt <br />RECCHMEVDATION <br />The existing single glazed windows are thermally inefficient by <br />current standards leading to unacceptable heat loss and <br />condensation. <br />The standards specifically -address-the issue of steel windows <br />in .this District indicating that if they are removed their <br />replacements should resemble the original, even to the extent - <br />of returning to the original condition. <br />Although the proposed replacement windows are casement windows, <br />-their frames and sashes are wood. Installation, including the <br />required "frame expanders" specified by the manufacturer to fit <br />the standard wood window sizes to the existing openings will <br />yield a slightly heavier appearance in the frame & sash. <br />Although the structure is technically not considered to = <br />contribute to the district, the high quality of its design and <br />construction make it an important part of the District context.- <br />Staff <br />ontextStaff is disturbed by the loss of character in the mullion <br />pattern and especially the replacement of the picture window <br />with three casements. However Staff recognizes the need for <br />thermal efficiency and the increased emergency egress capacity <br />represented by the proposed alterations. <br />For the reasons above, Staff makes no recommendation. <br />David B. Duvall <br />6/14/94 <br />