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HomeMy WebLinkAbout21245 a% N.46th Ave Wlam HargenraderAddress 15609 Ow►aerNanae 1 Res 1-L1 UtilityDisconnecte Coin —� SiteSecured APS PermitBuildin; SRP J PernzitPlumbing I S4VG I] PermitiYlechanical EngineeringRequired PermitElectrical — — - - — PermitDenaolition I FeesDueAtPermitl I $o.00 Technicallssues 5-9-05 RJP ( INVESTIGATION FEE $90.00+3 STRUCTURAL ENGINEER WILL BE REQUIRED TO INSPECT DAMAGE TO TRUSSES & BEARING WALL DAMAGED BY FIRE. STRUCTURAL ENGINEER REPORT FOR REPAIR WILL NEED FOR FIRST INSPECTION. ELECTRICAL REPAIRS WILL NEED TO COMPLY WITH 2002 NEC& 2003 IRC. FIRE DAMAGE CONTAINTED TO LAUNDRY ROOM. JUN-20-2005 MON 04:31 PM GERVASIO & ASSOC, FAX NO, 6022851530 F. 03 • • • GERVASIO VAST® 1 ASSOC. 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JllN-20-2005 MON 04:31 PM GERVASIO & ASSOC, FAX NO, 6022851530 P, 01 T G 1 VASIO & ASSOC.,INC. This approval shall not prevent the Building ENGINEERS I N E E R S Official from thereafter requiring the correction CONSULTING E of r rrors in raid plans, specifications, data and (602) 285-1720 • 77 East Thomas Road. sulfa 120 coij:;truc:tirin when in violation of any codes of ` PHOENIX , ARIZONA 85012 i ordinances in effect. i • June 20, 2005 lit :, c� �` r, ° nai. By Building Safety Division, City of • Mr. Tim Coates GLENDALE, ARIZONA DESERT SKY RESTORATION • 11029 North 24th Avenue a I a°4---- Suite 808 • ssDSC# Phoenix,AZ 85029 ' Date: �n ?l r©5' "— RE: HARGENRADAR RESIDENCE �--��_ N._-5609_ orth_46th_Avenue, Glendale, Arizona_ -B� —' �� '•--- —.�,, FIRE DAMAGE INVESTIGATION G&A Job No. 5206 F Dear Mr. Coates: In accordance with your request, we have completed our investigation of the structural fire damage at the above referenced property. The following report presents our findings, conclusions and recommendations and includes: Appendix A: Field Notes with Photo Locations We are also enclosing one (1) copy each of six (6) color photographs taken during our June 13, 2005 site . inspection by John M. Denny, P.E.,of Gervasio&Assoc.,Inc. FINDINGS, CONCLUSIONS & RECOMMENDATIONS The residence is a one-story tract house built circa 1970.. The 4/12 slope gable roof system is constructed with prefabricated wood roof trusses and plywood roof sheathing. Roof membrane is composition shingles. Exterior and interior walls are framed with 2X4's. An electrical fire occurred in the southeast corner of the Garage,resulting in some damage.to the wall and. roof framing in that area. Fire Related Structural Damage: Refer to Field Notes(Appendix A): I. On the west interior wall of the Garage wing,three studs and the double.2X4 top plate charred just south of the interior door to the house. We recommend removal and replacement of all charred framing in this section of wall. Stagger top • plate splices 4 ft. or install strap ties at splice locations. •• . •.• ... • • • • • • • •. • e . .. . • .' • • . .• • •e • • • • • • ..• •• •• .. •ee •es • • •• • . lose s••e • • •loss • . •• •• • • • • • • .• • • . • loss . . 60s loss. loss JUN-20-2005 MON 04:31 PM GERVAS10 & ASSOC, FAX NO, 6022851530 P. 02 Mr. Tim Coates June 20,2005 G&A Job No. 5206 F Page 2 2. A 2X4 nailer for the Garage ceiling is charred for several feet near the sauth end of the west interior wall. We recommend removal and replacement of the charred nailer section. 3. Two house trusses above and just south of the interior doorway from the Garage to the house have char damage at the heel joints. The damage has compromised the truss bearing and weakened the heel joint connector plates. ___ __ _ We-r_ecommend the following repair sequence for each of the two trusses: _ _ a. Shore the truss at the first bottom chord panel point east of the damaged heel. -. b. Cut off the west 6 in.of the truss,scrape off any char east of the vortical cut and then seal the wood with Kilz or Benz primer. Fit in a new 2X6 section to match removed end of truss. c. Attach 32 in.long gussets with face grain horizontal cut from 3/4 in.unsanded 48/24 rated plywood sheathing to each side of heel joint using wood glue continuous and two rows of wood screws at 3 in. o.c. For wood glue use Liquid Nails Heavy Duty with full coverage. For wood screws use Decimate 7 gauge by 1 5/8 in.from Home Depot with PSD 2-2 sc-ew tip. Tight joints are required. Gussets must extend 3.5 in. over double top plate and the top edges must be cut to fit truss profile. Findings,conclusions and opinions presented in this report are based on the facts and evidence known to us as of this date and may be amended if new facts and/or evidence are presented or discovered. We appreciate the opportunity to provide this service and welcome any questions. Sincerely, GERVASIO&ASS e ' C. 4.1;e'rw_ t / 18389 17'\ \.N1'171// JOHNM. r John M. Denny, P.E. Asst.Dir., Forensic Dept. • •• • • • ••• • • • • • • • • • • • • • J1b1D:blm • • • • •.• • • •• Enclosures . .... . • • •• . ... ..• •• • •.. • • •• •• • • •• • •• • • •• • • • • •. • • • • •• • • • 000 • • •• • • 000 • ••