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February 21, 2001 <br /> RE: 2019 Hewitt Avenue <br /> B0012-006 <br /> Gross floor area: 645d square feet <br /> First Floor: 461 I square fect— A/B Occupancy <br /> Second floor: 1847 square feet - R-3B Occupancy <br /> Altematives I: Create a fire separation at the interior shear wall line usine two-hour tire <br /> resistive construction. The fire separation would follow the wall line as it returns to the <br /> east side of the building. The flre separation would include the following; <br /> • encapsulating the columns and beams with two-hour fire resistive construction <br /> material <br /> • constructing the tloor ceiling members spannin� between the shear wall and the <br /> column line with two-hour fire resistive construction <br /> • The fire separation must extend through the crawl space with two-hour fire resis:ive <br /> construction <br /> • The fire separation must extend through the second floor with two-hour fire resistive <br /> construction including any offsets caused by differing wall alignment between the <br /> first and second floors <br /> • The Cre separation must continue through the roof with a parapet or the one-hour fire <br /> resistive construction over the entire ceiling if the framing is parallel to the wall and <br /> two-hour fire resistive construction horizontally for five feet on both sides of the wall <br /> line to include the roof framing members if the framina is perpendicular to the wall <br /> • Openings in the fire separation are limited to 2590 of the len,th of the wall and must <br /> be protected by 90 minute fire resistive assemblies � <br /> Alternative II: Creare a fire separation wall of two-hour fire resistive conswction. The <br /> separation line could be located at the east west interior wall line [grid line D� on the first <br /> Floor�nd continue west to the kitchen. The separation could enclose the kitchen and <br /> cooler and terminate and the west exterior wall. <br /> An openin� could remain alone the �rid Iine between the customer booth and the kitchen <br /> if protected by a 90-minute fire resistive assembly. The door leafs could remain in an <br /> open position if held open by magnetic devices activated by the automatic fire alarm <br /> system. <br /> The separation must continue throueh the second Floor as described in Alternative I. <br /> Alternative III: Create a stairway shaft in the NE corner of the buildin�. The size of the <br /> shaft must be a minimum of d54 squam feet. The shaft could not contain a second floor. <br /> ���� <br />