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� �-r� <br /> E N c i N E E R � N o ROOFTOP ANALYSIS REPORT <br /> Mra.Wendy Lonp <br /> Goodman Natworice Cartier: ATBT <br /> 8815 722n°Ave NE Cartler Site Name: Evaratt Hwy S28 <br /> Kirkland,WA 98033 Cartler 31te Number: SN97 <br /> Clianl Site Name: EvereK Hwy 528 <br /> Cllent Site Number: SN91 <br /> Site Address: 209 E.Casino Rd <br /> Evsrott,WA 98204 <br /> King Counry <br /> (47.922222,•122.228889) <br /> PROJECT DESCRIPTION: <br /> AT&T proposes lo add additional appurtenances and their corresponding mounts and coax Iines to the exisling <br /> abnve referenced rooRop. Appurtenances will have a 23'red cenler. <br /> ANALYSIS: <br /> The purpose of this anatysis is to determine If lhe existing rooftop structure is structurally adequate to support the <br /> proposed Ioodings and provlde any recommendetlons for modilicat(on in order to bring the structure inro <br /> compliance if needed. The sUucture hes been annlyzed In accordance with the 20091ntemational Building <br /> Code. The additional design criteria used In our analysis Is as follows: <br /> . 85 mph (3-sec gust)with no ice • Occupancy Cntegory II <br /> . Wind Exposure B • Selsmic Design Category D <br /> • Topographic Factor, Kn= 7.0 <br /> RESULTS: <br /> Based on our review of the existing structure wilh the proposed loadings, we have determined the following: <br /> Exleting Rooi: Structurell A eb <br /> Exlating Mounta: Structurell Ada ata <br /> Please refer to Appendix A tor svuctwal r.alculatlons supponing the above results as well as section 3 below foro�� <br /> the conclusian. n �„1/�� � �� Q/ <br /> We trust this addresses your concems. Please contact us if there are any questfons. y�l I v�/� l'i'11/" <br /> �� � ��� <br /> � _AnL <br /> , <br /> �FER N/� V <br /> 1��aMaH��f'F.� 1 <br /> U y, t/�� <br /> Prepared By: Erik Evenson, E.1.T. <br /> Checked By: Christofer Nickerson, P.E. S.E., <br /> Daled: April 14, 2011 � �' <br /> po�� �e ��"r�`' \�\ <br /> Contents: �ss� � �N°� 0.�� <br /> Report.......................... ........... 1•4 aNA L <br /> Appendix A(Calculations).................................... A <br /> Appendix B(Existing Reviewed Calculations)............... B <br /> 55� First Avenue 5, #650, Sea1Ue, WA 98104 •I�'hone� 206.342 9000• fFax�206.903.8573 �� <br /> SEATTIE �PORTLAND � SAN fR/+NCISCO� COSTA MESA � � <br /> � <br />