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16 of 24 <br /> PROJECT NO. SHEET NO. <br /> S220412-2XR <br /> ��ill PROJECT 6202 2nd Dr SE Everett WA 98203 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY JT DATE 06/27/2022 <br /> Maximum loading on grade beam determined <br /> based on building geometry,and through <br /> conservative assumptions regarding span <br /> lengths and support walls/foundation.Basically, <br /> all concrete walls assumed full tributary span of <br /> floor members and roof members. L/2 L/2 <br /> Design code:IBC 2018 <br /> Roof LL(snow ground):25 psf - - - - - <br /> Floor LL:40 psf <br /> Patio/Deck LL:60 psf <br /> Floor/Roof DL:15 psf <br /> Wall DL:12 psf <br /> Conc Wall DL:150pcf x 240 in2=250 plf <br /> *see following pages for area calc r� rr rr <br /> 2-2 (18 + 8 ) <br /> Pile#14-16 <br /> Roof Trib=0.5*20'=10' <br /> Floor Trib=0.5*20'=10'(2 stories) <br /> Typical Fir Ht=20' <br /> Pile and connection requirements per Pile and connection requirements per / <br /> contractor - contractor <br /> 6'-0 MAX <br /> Pile #14-16 <br /> Case 1:Point Load(1T Trib) <br /> Pile Reaction=1740 plf*12'=20.9 k <br /> Pile Reaction w/SW=1990 plf*12'=23.9 k <br /> Case 2:Uniform Load <br /> -DL=12*20+15*(10+10*2)=690 plf <br /> -LL=40*10*2=800 plf <br /> -SL(snow)=25*10=250 plf <br /> Total load=DL+LL+SL=1740 plf <br /> Total load w/SW=DL+LL+SL=1990 plf <br /> Refer to attached calculations for analysis. <br /> Conclusion: <br /> Based on the loading and geometry of the structure we conclude that the foundation may be stabilized through the use of piles and <br /> connections per R&R.These are to be attached to the stem-wall(grade-beam)at an on-center(o.c.)spacing no greater than 6'-0"o.c.. <br /> L120 ENGINEERING&DESIGN <br />