410 45TH ST SW 2016-01-01 MF Import

Construction 1. The new interior st�ir plan should indicate new wall construction, where applicable, with wall sections to indica': materials. 2. The vertical separation between the three residential units should be refere�ced on the drawings to wall sections indic�ting tested wall assemblies to meef the reGuirements of one hour fire resistant partitions, per IBC sections 420.2, 7C9.3, and the continuity requirements of IBC section 709.4. 3. The horizontal separation between Units A and B should be referenced on the drawings to Floor sections indicating tested floor assemblies to meet the requirements of one hour fire �j i`,,� , resistant horizontal assemblies, per 18C sections 420.3 and 712, and the continuity �'��s�, requirements of IBC section 712.4. �4;?',` '' Egress 1. The new interior stair treads and risers should be dimensioned on the drawings as minimum 11 inch tread, and maximum 7 inch riser, per IBC section 1009.4.2. 2. Continuous handrails should be shown on the drawings on one side of the new interior stair, per IBC section 1009.12, exception 2. The handrail should be shown to extend from the top riser to the bottom riser, per IBC section 1012.6, exception 1. 3. The interior stair handrail height should be shown un the drawings at a height of between 34 and 38 inches, per IBC section 1012.2. 4. The protile of the interior stair handrail should be shown on the drawings to meet the graspability of Type I handrails, per IBC section 1012.3.1. 5. Contiriuous handrails should be shown on the drawings on both sides of the existing exterior stair, per IBC section 1009.12. 6. The handrail on the exterior st�irs shou�d be shown on the drawings to extend horizontally at least iZ inches beyond the top riser, and continue to slope for the depth of one tread beyond the bottom riser, in the s,ame diredion as the stair Flight, per IBC section 1012.6. 7. A guard should be shown on the drawings for the main entries into Units B and C at the secono ievel, per IBC section 1013. �, ! i 8. Eac.h bedroom should indicate an emergency escape and rescue window opening, meeting � ; the requirement� of IBC section 1029.i, with a reference to an elevation of the window � meeting tne requirements of IBC section 1029.2. !j '' 9. Single- or muitiple-slation smoke alanns should be shown on the drawings on the ceiling or i I wall outside of each separate sleeping area in the irr�mediate vicinity of bedrooms, in each room used for sb_eping purposes, ar�d in eacl� stury within a dwelling unit, per IBC section � 907.2.11.2. � 10. The smoke alarms should be noted on the drawings as being interconnected so that the activation of one alarm will activate all of the alarms in the individual unit, per IBC sectior, 907.2.113. T �.. a 5��:�,�,i`�''�iSr p'�.. ' .:'.7 ��'�r ¢ � � 7 � �. �I w ., F ,�1h �;o ., . . _ _. �_��ac..�u..d.�`l'�n�'E#.4�