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- - - - - - � - -- --- - - - - - - ---- - .ZEP HARDWARE DESIGN_CALCULATIONS -_M,P2 „ _ _,_ _ . _ _ _ ' Mountin Plane Information Roofin Material Comp Roof RoofSlope ..,._.� _..�___.,--___ _ _.,.__.___..�. �._.___ �_.�.�._�_____�__�, __..___19°_____�,_.�____�_�___ ____ _.___...._---, Rafter S acin 24"O.C. - Framing Type/Direction _ _ _ ___, � ____T_ _ Y-Y Rafters �_T � PV System_TYP?._..�-- --___.._._.__.�______ ��_.._____._�_._..._.....�_.�SolarCity SleekMountT"' __..__�.�.�..._.� -- �Y__..�_� __,..._._ � _ __ _ .� _. Zep System Type.m._._ ZS Comp _______� _ 5tandoff Attechment Hardware n? -xT�tl_ _ --�f„-~- -�--� Corrio Mount Tvae C ��- LL"--- """"`�__�__ _ Spanning Vents _.A--�-�•.�-__ --_ -____.._. - —__.._--------_.�_---NO--- _�_Y.-----_ -•-.n_._ ___ ____._�_ Wind Desi n Criteria Wind Design_Code r IBC 2012 ASCE 7-10 �__..-.___.._._. __w_____.__.....m�_.._.,.r�..�__�m_�_____,_ . ..�.-.--.---______, _�_�__.._---___._---------w--- Wind_Design Method-�--�.--_-� _ ---_-_--__^____.______� __Partially/Fully Enclosed Method_� -----_--� _--- Ultimate Wind Speed.__ _____----� --_-__-V-UIt_ _-_- -� _ _---___A__T150 mph _� -- r^_ -- -- __� Fig:1609A___ -_�_._�__.v__ _ - - - _._ _ _ _,u _. ExposureCate99rY__�_ __T__:_._._.__,_.�_____� .�_._,..__.___.____..�___.�_�.___....�,--�_�___...___.._.____ __� _...__�..___Section 26.7___ Roof 5tyle _.__.,,. ._._�.�_.�__.__.__.___a. __�_..._T_- ------d�..�..T_�_ �._�Gable Roof- --- ------ -- Fq_3o_4T2A/s%c-sa/e Mean Roof Hei ht h 15 ft ~'^ Section 26.2 Wind Pressure Calculation Coefficients Wind Pressure Exposure ^__ _ _ __ __KZ.w____,. __-._,_.._________.__m._... 0_85 _ Table 30.3-1 - ---_..---- __..____ ___---_.,___ --_.�_._--- -- Topographic Factor _ ._-----------�__ _Kn_______ _, _-._------- ----- - -__ 1.00- --------- -- _ �.__ ..__Section 26.8 _ Wind Directionality Factor_____ � � _ _ _ ICd_ _, _� ____ _ __ 0.85 Section 26.6-1 - - --------------•--,---.__ ---------_______._. _.___ - Im ortance Factor I NA Velocity Pressure qh qh=0.00256(Kz)(Kzt)(Kd)(V^2) Equation 30.3-1 41.6 psf Wind Pressure Ext. Pressure Coefficient U GC U ) -0.88 Fg.30.4-2A/B/C-5A/B Ext. Pressure Coefficient Down . GC Down 0.45 Flg.3o.4-za/B/G5A/B Desi n Wind Pressure p= qh(GCp) E uation 30.4-1 Wind Pressure U „ -36.4 psf Wind Pressure Down 18.8 psf �ALLOWABLE STANDOFF SPACINGS - - - - - - - - - - - - --. X-Direction Y-Direction Max Allowable Standoff Spacing Landscape 72" 39" Max_Allowable.Cantilever __,_.. ,�__� �Landscape_� ��^� __-�P�rw_� =;�^_24"--�-__�_��____ ___�____ --�� NA�_� Standoff Confi uration La�ndscape �Staggered MaxStando_ffTributaryArea_�._�_______.__,Tribw__� _ ___._� ___________ �_?Osf__ � PV Assembly Dead Load W-PV 3.0 psf _� �_�_Y �� Net Wind Uplift at Stando_ff._�_.�� _� T actual_T,_ _��_ .W�.._____ �._ -393 Ibs �_.__.___�_ _ .�_� ---�� _ __.,._ _ ._�__�. _,� - Uplift Capacity of Standoff __��,__T_�._.._T-allow -___ -�.�__ �- - -__,_� 637 Ibs_ ____.------------,...� --- Standoff Demand Ce aci DCR 61J% �s �" X-Direction Y-Direction Max Allowable Standoff Spacing__ __ _ _ Portrait 48" 64�� Max Allowable Cantilev_er _�_.___._ __ �Portrait T_� --f v_-� _�� ' 20"�_�_.�y _ ,'w_�' .�_A NA __ __ Standoff Con�uration Portrait Staggered M ----ndo_ff Tributa_ry Area________ �__ Trib�,____�.------------ —21_sf- -- ---y- -- ----;---- _ ax ta - - - ---__�_ _________ PV Assembiy Dead Load W-PV _ 3.0 psf_ Net_Wind�Uplift at Standoff___�^�_ � l"-actual_� ._,�_��_� _ ,_._i. _ -43U Ibs___..�_�___.___�w_ �.._ _ ___�.._�_w_ Uplift Capacity of Standoff T allow Y 637 Ibs � y - --�_._a. �.___,._.._..._,_._��._ �_.__,._.____��._,____�..--,�.-------------,�__�___ _�._.___ _.__________.____�__ Standoff Demand Ca aci DCR 67.5%