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2007, 02-26 Letter From Wambeke Engineering Re Post Frame BldgWAMBEKE ENGINEERING 2913 East 61" Court Daniel Wambeke, P. E. Spokane, WA 99223 Telephone: 509-443-6186 • Fax: 509-448-6582 • dwarnbeke @msn.com February 26, 2007 Mr. Jeff Palmer SPOKANE POST FRAME, INC. 7001 E. 2nd Avenue Spokane, WA 99212 SUBJECT: 24'X 30'X 10' POST FRAME BUILDING FOR BEN HAWK, 2504 N. COLEMAN ROAD, SPOKANE VALLEY, WA 99212 Dear Jeff: This post frame building has been sold to Mr. Hawk and will be erected according to standard plans prepared for Spokane Post Frame, Inc. for 30 PSF live load, 85 MPH wind speed, Exposure B, Seismic Design Category C and 2,000 PSF allowable soil bearing pressure, IBC 2003. Posts are located @ 10'0" o. c. and the roof has a 4:12 pitch. I have reviewed the design of this building and checked it for the diaphragm design criteria used in the standard plan design. The front endwall has a 16'x 8' overhead door and a 3' pass door. There is sufficient steel sheeting on these endwalls to transfer lateral loads imposed on the roof and walls to the post foundations. However, it will be necessary to add #12 x 5/8" stitch screws @ 9" o. c. to all steel siding vertical side laps — this endwall only. The rear endwall has no openings. There is sufficient steel sheeting on these endwalls to transfer lateral loads imposed on the roof and walls to the post foundations. There are no openings in the left sidewall. The right sidewall has no openings. Sidewall openings do not affect the lateral load resistance of the building. Use standard post frame building plans for all framing details for this building with the above exception. Please feel free to contact me if you have any additional questions about the design of this building. mcerely, Daniel Wambeke. P.E. Enclosures DW:dw EXPIRES13 U� Designer of Small Structures. Post France Buildings. Foundations, Light Gauge Steel Framing and Grain Storage Systems s�o (,vin . gcl2�z c (.( S` 0AI tra t•v 4qVJk ti C6ke mA-i IZD ,Py X-30 x 10 6 xW "P s' 46* s.L- . l (o x(3 0 l+D- 4'' eoxx Y AL W)WI ;,_ Cj� y of a&. EXPIRES � Z � � N - -I 2 N D=D=_ mNrN AM a p N N D DZ°Dr rD�0 Sr�oz N4 O rnn r• IF& 4aUlk, EXPIRES L