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International Conference of Building Officials <br />5360 SOUTH WORKMAN MILL ROAD • WHITTIER, CALIfORNIA 90L!11 • (213) G99-0541 <br />BOApOOFOIRECTORS <br />ra¢sio[nr <br />JOXN C. CANESTpQ P.E. <br />CIiV flU1LDM0 OFFlCIAI <br />NAYWAR�. CAUFORN:.O <br />FIRST VICE�PRESICCM <br />WILLUM F FIIREY, P.E. <br />SIIPEPMTENDENT OF B WLOIYG <br />RNERSIUE. CRLIFOPNIq <br />5[COND VICE�PRESIDCNt <br />JONN E. BO55 <br />euuoiNc orcicui <br />COUNiV' OF LANE <br />EVGENLORCGON <br />TRERSURER <br />JOMN E. M�UI DMO. P.E. <br />SUPCqIMCNOENi OF OWLOING <br />IANLA5ILN, C41.iFORN14 <br />iMueourE rasr raesmtrir <br />MENBERTW.MEYEP <br />CODC CONSULTANT <br />IILOOMMGTON. MINNG;�Of� <br />JACK S.11T1(INS. P.E. <br />BUILDING OFFI�UL <br />PLACERVILLE. CQIFORNU <br />DIIVID �. BI155ETL P.E. <br />BUILDNG SAFETY DIRECTOR <br />MEUFORO.OREGON <br />CN�NLESCLIIWSON <br />DIRECTOROFCOMMUNITY <br />O[VELOPMENT <br />ARLWGTOY. TE%�15 <br />GXARLES L GILLETT <br />CHIEF BUILDING OFFICIAL <br />CWNTV OF RRAPANOE <br />uTneror+, co�oRnno <br />OFFiGESOF <br />OctOb2r 1, 1981 LESTERJ.GILLIS,Y.E. <br />REGIONAI MANRGER <br />JERRV B�NBEpl1, P.E. <br />Plan Ch�ck N0. 1131 RCGIONnLENGWEER <br />Project: Seaprop Industrial Project <br />Address: Hardeson Road <br />[verett, WR <br />Type of Construction: III-N <br />Occupancy Classification: B-2 <br />Fire Zone No. -- Stories: 1 <br />Floor Area: -- <br />Occupant Load: -- <br />V luation: -- <br />1979 Uniform (3uilding Code <br />Seismic Zo;ie No. 3 <br />City of Everett <br />Ken Callahan, [3uilding Ofiicial <br />3002 4Jetmore <br />Everett, lJA 98201 <br />Dear P1r. Callahan: <br />t have reviewed the above-mentioned plans for the construction <br />probleins �vhich are outli�ed in your letters to the engineer <br />and contractor, and other data you liave provided me and I <br />offer the follo�aing coininents: <br />SOLJ. JACOBS, P.E. <br />oiaecmr+oFwsrecrioNs �, The en ineer seeks to ustif the use of 5'z" panels (1/h = 49) <br />MINNE4�'OLIS.MINNESOTA 9 � � <br />ooN��or.MKR.e.P.e. rather than 6° (1/h = 45) designed for. Ne appears to be using <br />SiATEBUILDMGCOMMIS510NER the siraplified method outlined in the article by James Johnson, <br />SiAt[ OF INDIANA <br />pDMWISiNPTIV[BUILDINGCIX1NGIl which appeared in the hiay-June 1979 issue of Qui ding Stan ar s. <br />INDIANAGOLISINDIhNA The closing remarks of this article discuss the sensitive <br />o��Es�o*T,P.E. natw•e of panels with high 1/h and strongly suggests a limit <br />n�nccroa <br />a�AA.Me�+.o�d���owc of 42. h'hen I �•:orked for the County of Los Angeles, we <br />,EM��pq,ZONp limited them to 40. I.ast year, the Structural Enginee�5 Assoc. <br />CHANLESW.VOLL�I� of Southern California strongly i�ecoirunended a limit of 36. But <br />CMIEF9UII.DINGOFFlCIAL using the method out:lined in PCA's Eng�.�eering 6ulletin "Tilt- <br />DI\'ISION OF CODE ADMMISTRATION <br />ALBUOU[ROIIE,N[WME%ICO Up Load-Rearing 4;a115" and taking into account that eccentricity <br />H.T.WIEDENMIN.P.E. �S larger than the 2.75 the engineer designs for (and check- <br />�CPARTMBNTOFBUILDWG ing this by the Jesse l�'ya;.t meLhod contained in the May-June, <br />o�sMo��:�s.�oNa 1980 issue of Building_ Standards), I find that under wind and <br />eoW.noF.W�Nrew.r.e. seismic lateral loeds, the �aalls have negli9ible load carrying <br />d���o�Nno�F�c�A� cauacitV Also note that the walls carryin9 the purlins are <br />CEDAR RAPIDS.IOWh ✓ • <br />the critical �ealis. A theoi•etical pan�l thickness of 5.8" <br />uuc ��"r�cA� appears requii•ed, �•:hich means the pracLical thickness of 6" <br />COJNTYq'TEHAMA 1 <br />R[DBWFECALIFORNIp $���UI�I Vc used for the ��I�$tl��ll.t�On. <br />[%CCUTIVL DIRECTOR <br />JAMES E. BIMN, P.f. <br />Regional Oifices: G73II N.\N. Tower Drive • KansasCiq�, Missouri 64151 •(ti16) 741-2241 ( <br />�_. 77544 Midvale Avenuc N., Suitc 304 • Seattle, Washington 98133 •(?06) 542•9421 � <br />1 <br />� <br />