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� l , ; , . � �, , � . � � , � I�age 3 � ' 9eptember 6, 1994 � , Mr. James R. Gregory i i i i Comment: A-13 Sheet A5-12: I I � � B. Detail 4: Show the 1-hour rated wa�l assembly and the i safing at the edge of the floor slabs. , i � ; The response to this comment generaled the following: � . A. The 1-hour rated separation sYiall ,be a listed assembly, provide the design number for the j ' walls above and below the glass, these shall be ; , 1-hour rated assemblies from floor-to-floor or , ' floor-to-roof deck, revise accordingly. I _ i I ; B. Provide safing at the edge ofithe second floor I slab, sealed against the passage of smoke at the ; top side, revise accordingly. � '', ;I � � � � Response: The 1-hour rated assembly has been revised and is listed ' assembly UL DES-U465. Safing has been added at the edge of the Second Floor slab to prohibit passage �of smoke into cavity of wall. See revised A5-12, Addendum #2, dated i ; 9/6/94. C�',omment: A-21 Sheet Al-5: i , I� A. Provide an exit light at the north end of Waiting � � 160C. Visible from Waiting 160C and 161. - i ; ,I � � ; Response: The exit sign has been added. See revised drawing E-24, � il Addendum #2, dated 9/6/94. I i, New Comment A-22 Sheet A4-40: Section 1 shows a return air plenum above a 1- 1'� � hour ceiling of drywall on metal suspension, provide a � I design number for this assembly and coordinate with Mechanical Sheet M-18. � � Response: � This air plenum has been eliminated. The �smoke evacuation ! ' , j system is now ducted. See revised drawings A4-40, A4-42, ' � and M-18, Addendum #2, dated 9/6/94. I � ' � � � � , ! � � � � I � ii I I i - i I i � i ; , i I i , �� I '