A three-hour rated load-bearing interior concrete wall separates conditioned spaces on both sides. The structural concrete wall thickness varies per structural requirements and includes a furred-out wall assembly detailed on the floor plan. The assembly achieves a three-hour fire rating per OSSC Table 722.2.1.1 and an STC rating of 51 with no additional insulation specified.
PLAN SECTION RATED VARIES; SEE STRUCT CONCRETE WALL PER STRL CONDITIONED CONDITIONED FIRE RATING: STC RATING: INSULATION: W3A 3 HR, LOAD BEARING INTERIOR WALL 3 HR, OSSC TABLE 722.2.1.1 51, RAL TL-09-360 N/A FURRED OUT WALL; SEE FLOOR PLAN FOR WALL ASSEMBLY & LOCATION
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