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16 of 31 ` <br /> / <br /> ♦ PROJECT NO. SHEET NO. <br /> 4/ �� S230503-2XR <br /> lit� <br /> PROJECT 2118 Jefferson PI Everett WA 98203 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY JT DATE 08/29/2023 <br /> Maximum loading on grade beam determined <br /> based on building geometry,and through <br /> conservative assumptions regarding span \i/ <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 T <br /> Cone Wall DL:150pcf x 240 in2=250 plf <br /> *see following pages for area calc <br /> 3'-0"MIN <br /> Pile#8-9 FIELD VERIFY <br /> Roof Trib=2'trib+2'overhand=4' <br /> Floor Trib=0.5*20'=10' <br /> Typical Fir Ht=10' y <br /> Pile and connection requirements per Pile and connection requirements per <br /> contractor contractor <br /> 8'-0"MAX / <br /> R&R to verify 3'-0"minimum concrete wall height at all pile installation locations. <br /> Pile #8-9 <br /> Case 1:Point Load(8'Span) <br /> Pile Reaction=1130 plf*8'=9.1 k <br /> Case 2:Uniform Load <br /> -DL=12*10+15*(4+10)+300=630 plf <br /> -LL=40*10=400 plf <br /> -SL(snow)=25*4=100 plf <br /> Total load=DL+LL+SL=1130 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 8'-0"o.c.. <br /> L120 ENGINEERING&DESIGN <br />