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Home My WebLink AboutLETTER - 08-00207 - 1125 & 1127 S 2nd E - New SFRD Y E R G R O U P Li.c ENGINEERING • PLANNING • MANAGEMENT June 4, 2007 Quinton Owens City of Rexburg Building Department P.O. Box 280 Rexburg, ID 83440 Re: Stevens Twinhomes, 2nd East Dear Quinton: 0800207 1125 & 1127 S 2nd E -Stevens We have been informed by the builder that you have identified Code concerns on the lateral transfer of forces through the breakfast/hearth room areas of the twin home structure. The purpose of this letter is to address these concerns by providing a recommended course of action to address this concern. Breakfast/Hearth Room To provide adequate transfer of lateral forces through the windowed area at the back of this room, the contractor will need to implement a structural treatment for this situation by adhering to the following specifications: • Make the headers above the window openings continuous and extend them through the sheathed wall area on each side of the window openings, extending the headers across the covered porch area to the master suite wall. Fasten sheathing to the extended headers per IRC. • Construct sheathed, braced walls (blocked) each side of window openings and also above the headers above the window openings. Sheath the wall on both sides, construct wall framing per IRC 602.3(3), securely nail sheathing to header, and reduce nailing pattern from 6" to 4" per IBC. Sheetrock interior side of wall and fasten per IRC 702.3.5. Conclusion Concerns have been expressed by the Building Department over proper transfer of lateral forces in the breakfast/hearth room areas. We are requiring the above-specified structural treatments to provide the adequate structural performance required for this structure. Your review and approval of the same will be most appreciated. As always, please feel free to contact us if you have any further questions or concerns. THE DYER GROUP, LLC • 31 O N 2ND EAST, SUITE 153 • REXBURG, ID 83440. 1681 208.656.8800 (VOICE) • 877.721.5025 (TOLL FREE) • 208.656.8808 (FAX) • 208.390.9700 (CELL)