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HomeMy WebLinkAbout646 STOVER ST - SPECIAL INSPECTIONS - 9/1/2021 CTLITHOMPSON September 1, 2021 Mr. Al Kulenski J Kulenski Building & Remodeling, Inc. �ew . 939 W. Oak Street Fort Collins, CO Subject: Fram' g Modifications 646 Stover Street Fort Collins, CO CTLIT Project Number: FC09532.000 L1 Dear Mr. Kulenski, Per your request, on August 27, 2021, personnel from CTL I Thompson visited the residence atthe address listed above to review the various framing items that had come into question regarding the framing of the new detached studio/garage. The framing items in question are listed below: • When the city came out for the sheathing inspection,the siding was already installed on the north side walls. ® The stairs were pre-built stairs and deviated from the design drawings. ® The upper-level headers were attached to the ridge post with Simpson LS70 angles instead of the plan specified HUC-series hangers. After review, we recommend the following to address each item: • The siding should be removed for proper inspection or new sheathing should be installed on the inside of the north wall where the siding has been installed. The new sheathing and fastening should follow the"Braced Wall Panel Schedule"on the design drawings.The 4'-0" long wall with the electrical panel towards the east end of the studio does not need to be sheathed on the inside. ® Due to the short run and limited stair width, the pre-built stairs are sufficient to support the design loads. Make sure the landing is fastened to the wall per the detail on the design drawings. ® The LS70 is sufficient to support the design loads in the vertical direction, but we recommend installing solid blocking to provide additional lateral support. See attached sketch for blocking detail Our review was based on the 2018 IRC, a wind speed of 140 mph (exposure B), a roof dead load of 15 psf, a roof snow load of 30 psf, a floor dead load of 15 psf, and a floor live load of 40 psf. Thank you for selecting CTLITHOMPSON for your engineering needs. When we can be of additional service, please contact our office. Very truly yours, C �THOMPSON, INC. �,` �� �°TL Nick Reuter, P.E. Project EngineersV Attachments: (1) Framing Modifications Sep 12021 8:01 AM 400 North Link Lane I Fort Collins, Colorado 80524 Telephone:970-206-9455 SUBJECT: CTLITHOMPSON • j4CAbr_& f. PROJECT NO.:. prv_-ocI53?'oT0 DATE: Z1120V BY., PAGE OF 7 ---------­-............ A Al cA Ar Z 7_1 IFT- J I I 5 tJc, _14-4 i j .........