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orman <br />trvctural <br />ngineer <br />SQ22 Sunrise Blvd. <br />Fair Oaks, C'A 9562� <br />(4i6) i;(i_95;i5 <br />(9161 536-0�60 ifas} <br />i �8�-'(1l3 <br />_'�t i.E�crrc nt E�zra:le^.irce <br />Norman Scheei, S.F.. <br />LEED .0.P BI?+C <br />LEED AY Homes <br />F"ellc�w --3Er�QC� <br />Felluw-ASCE <br />E-maiL nt�nn(�znstie.cc�m <br />Kob C'oon <br />(3ene�l Rfanat�er <br />6'-mail. rc}trroc,n',i��nsse.coEn <br />STCV� �lillt�l p'.i''. <br />Prr�tExi biatazti�c-r <br />[=-cr3ail: ste z�sa��ith(n n�,eTc_c,>m <br />Skeven C'oakse�� <br />C.AD Supervisar <br />E-mail: st��c a�n�5c.c�rra <br />.tackie ��'inslow <br />���fi;�e N��,:,��,� <br />E-SIl21ia: J:1C}:fe't�1�n:�tie,,c:U:1S <br />Tuesday, I�ecember 3 I, 2013 <br />SnapNrack <br />775 Fier�� Lane, Suite ?0� <br />�1i1 Lt1I5 Ob1S�34, Ct1 9_3=�01 <br />� (. 5G �-L -C��� <br />"Series l Of? Rooi Mount"' Cover Letter <br />�,1 v� Cc�UF-r [ e��'r G�� � <br />Ta tiV}a��in It z'vtay Concern, � <br />We liave perfonned calculations for the 10(} :;eries roof�mount PV system basc:d <br />on the inf��rmation provided bv SnapNrack. Included wit�� this letter are khe <br />re�ort and calculat.ians. �'e did the calculations in accord�nce �vith the ZOI2 <br />IBC, I�SCE 7-] 0, 20t 2 NDS, and guideIines stated in the Sc�lar Arnerica I�Qard <br />#c�r Codes and Standards. <br />S�rne of the companents in the SnapNrack test d�ta were used t� determine the <br />capacity and section properties of rnateriaIs. We c�llected the test data using tiie <br />pr�cedures outlined in the ZQ12 IBC Chapter I7. <br />VE�e included the follc�wirl� t}�a�s c�f laad combinations and �uildin� pararneters <br />intc� aur calculatians: <br />+ ASCE 7-IO i�s�ind speeds f��m ( l0 m�h tc7 1�30 fc�r B and C exposure <br />categories <br />• ASCE 7-10 Seismic Desi��n Category E <br />� ASCE 7-IO Snou� Loads up ta 120 psfground snow <br />� Buildings with mean roof heights uP t� 60 f��t tilt angles i ro�f pttches <br />from Q degr-ecs to 60 de�;rees. <br />ln our opinic�n, the mountin�; system outlined by SnapNrack's Series 1(l0 I'V <br />Maunting System Code Compliant Installation Nianual 2012 is acceptable 3nd <br />meets the loading requirements as stated above. See the report anci calculations <br />included with this letter for more int��rmation. <br />If there are any further q�estians, please c<�ntac:t l�c�rm Scheel. <br />`�`%� � <br />g {3 <br />€ ' <br />�� x�—x'�'`� �x �%. <br />� �� - <br />i� <br />'�lc�rman Sche.e) PE. SE <br />L..FED-,AP f3D+C. E_C:FD-AP }-iomes <br />F�Ilow SF;AOI. <br />FcJlow A.S.C.E. <br />