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__.. <br /> � ENGfNEERING <br /> li ����,>;E-,� � __ AES <br /> ------. .............---..._. ._...�__.. .... <br /> ""'� GROUP, LLC. <br /> J�3:.�ClF��ut���?-----13�Jd71 __t;y_ ARH.— <br /> i(17: • • ...._. .f. ___ <br /> . ,^,a�e�n('iL�l �O''.c `•�:c ` �f <br /> �•ta:,�•�, �;: �;.r,: (tcilt� 3/18/2013 _E��a�:tt:• L-� .�� <br /> -., f� :-,..�i�.jr^-^•,�:�;�,i �,_..........�..._.........._..._...- ---...-�- -��----- <br /> .?. ? <br /> Seismic Load on Mechanical and Electrical Components-ASCE 7-10 Section 13.6 <br /> SMS= �g <br /> Sps=2/3'SMS= 0.667 g ASCE 7-10 Equation 11.4-3 <br /> Ip= 1.0 ASCE 7-10 Section 13.1.3 <br /> Mechanical and Electrical Component: Air-side HVAC,fans,air handlers,air conditioning units,cabinet <br /> heaters, ir distribution boxes, and other mechanical components <br /> constructed of sheet metal framin <br /> = ASCE 7-10 Table 13.6-1 <br /> a 2.5 <br /> P <br /> RP= 6,0 ASCE 7-10 Table 13.6-1 <br /> h= 30 ft <br /> z= 30 ft RTU&CURB <br /> � <br /> N = <br /> H � <br /> Z = <br /> W � <br /> � <br /> 2 W <br /> U S <br /> Q � <br /> O <br /> a � <br /> � <br /> o w <br /> � �_ <br /> � W <br /> z a <br /> I <br /> � <br /> i <br /> Horizontal Seismic Desian Force <br /> F _ 0.4 a, S os W� 1+2 Z _ 0.333 WP ASCE 7-10 Equation 13.3-1 <br /> P R� h <br /> TI D <br /> F min=0.3 S I W = 0 W ASCE 7-10 E uation 13.3-3 <br /> P DS P p O.ZO p C� <br /> FP max=1.6 Sps Ip WP= 1.067 WP ASCE 7-10 Equation 13.3-2 <br /> Use: FP= 0.333 WP <br /> File:RTU Curb and Bracket 2.xls,Tab:SEISMIC LOAD 2010 <br />