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NO PERMIT NUMBER,- , BAY BUILDING DESIGNERS 467 ARCIICOVE COURT, SAN JOSE CALIFORNIA 95111 JOB #:davidko DATE: 4/14/97 CALCULATED BY: W ENDY HSIEH 408-365-8719, Fa:. 408-226-9427 STRUCTURAL REVIEW QQ,OFESSIQ OF q . �Q4�=aFPNG-yU�N�FyZ DECK FRAMING w 3 3807 = m cr- STRUCTURAL * EXP/ o * FOR OFCA'0F P MR. DAVID KO RU''E�� AT APR 141997 10411 BYRNE AVENUE, CUPERTINO, CALIFORN ION DEPARTMENT BLDG CITY OF CUPERTINO EXISTING DECK DECKING (3" CONCRETE WITH TILE) 150*3/12=38 PSF LOADING 3/4" PLYWOOD SHEATHING 2.3 2X10 ROOF JOIST @ 16" O.C. 2.8 STUCCO CEILING 10 MISCELLANEOUS 1.5 TOTAL 38+2.3+2.8+I0+1.5= 55PSF USE 55.0 PSF (DEAD LOAD) 60.0 PSF (LIVE LOAD) CHECK EXISTING 2X10 DECK FLOOR JOIST SPAN L=12-1-1=10' CLEAR W=(55+60)* 1.33=153#/' M=.153*10A2/8=1.92K' R=153*10/2=.765K USE 2X10#2 FLOOR JOIST @ 16" O.C. A=13.875, I=98.932, S=21.391 Cy=1.1 FOR 2X10, Cr -1.15, Fv'=95PSI Fb'=875*1.1*1.15=1106PSI Sreqd=1.92*12/1.106=20.84INA3 Areqd=.765*1.5/.095=12.08INA2 A=5*.153*10A4*1728/(384*1600*98.932)=.22"=L/(12*10/.22)=L/545 O.K. SEISMIC LOAD'ANALYSIS 0 COVI RC E NEW DECK SUPPORTED BY 12" WIDE STUD WALL @ EACH END OF DECK 12" STUD WALL WITH 1/2" PLYWOOD @ EACH FACE 2X12 MUD SILL WITH 4-1/2"(D EXP. BOLTS MINIMUM 2.5" INTO EXISTING 4" CONCRETE SLAB O.K. BY INSPECTION FOR LATERAL LOAD PERPENDICULAR TO DECK DECK 4' BY 12' WITH SOLID WALL @ EACH END O.K. FOR DIAPHRAGM ROTATION 2X10#2 LEDGER WITH 1/2" (D LAG SCREWS @ 16" O.C. MINIMUM 2.5" INTO EXISTING STUD O.K. BY INSPECTION TO TRANSFER DECK LATERAL LOAD TO EXISTING BUILDING '(t;)-..5 UG�o �.EMOVEn� DEck F�MIN<o To + • ,CE): t3�1 Lt71N<v CoyN>✓��1oN - 2� FIELD VER 1F1'(E). ,Nt7f14or. (E) Ex�ti�O� ALL t�x8 #2 Hog. IN•) :ZE)2-4°4' WI# OW OfENIN66 (5.2x9-OcT .) -- --NON 6EAtZING WAU J� 501 n:wr r3cq� �Fjj. (o �' 2�c� I2iI�G w/61M1p /3 -TTS A• 4xlt B,�IoW j7g° y�UGGO iTKOEIU HzAMING �O bINFNG IoM i lwx COLDMji r51M. (2-CaL-oNl + FU[L Nj, 2><�2 M1P 61LL C .T.) W/2 I� II EX . ji[ j5 MIH. 2�u INTD• 2,4v Tor 16 d j0 2 u•:r I�Ila jo.Cti) 51Uv = x1-yTun [4/A 2 q_5�c W-I&Ae 4PI1 la floo IL 0 2x IM y w6�>✓n 12;�b51un w/����z 1��. 1-5G�6W5016�a,&To()S1UD o t7 5.nio,I .2xt��KOgi.oue�-22�Njo �,c �JJ 12x#2:W/hIM A36 �- �.3� rod VE i GW `� 21,0 W/5 0! 40��2 =Z�Zx�op� W/I�dO P o (> hTun r r vv � . u IICANG, 51A5 V4/#3 © 1&"0c_ (E)4 coNc_ s AC Et 14. 1 � 1 3