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13 of 20 <br /> PROJECT NO. SHEET NO. <br /> ®s S220725-1XR <br /> 4,44.......IP PROJECT 1007 49th PI SW Everett WA 98203 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY JT DATE 09/02/2022 <br /> Maximum loading on grade beam determined I <br /> based on building geometry,and through `I <br /> conservative assumptions regarding span / <br /> lengths and support walls/foundation.Basically, I <br /> all concrete walls assumed full tributary span of 1� L/2 L/2 <br /> floor members and roof members. �I <br /> Design code:IBC 2018 I I I <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 /> Concrete Wall DL: 100 psf <br /> Conc Wall DL: 150pcf x 240 in2=250 plf <br /> *see following pages for area calc 8'-0"MIN <br /> FIELD VERIFY <br /> Typical Piles <br /> Roof Trib=0.5*40'=20' <br /> Floor Trib=0.5*20'=10' y <br /> Typical Fir Ht=10' <br /> Conc Wall Ht=8' / <br /> \ Pile and connection requirements per Pile and connection requirements per / <br /> contractor contractor <br /> 6'-0"MAX <br /> R&R to verify 8'-0"minimum concrete wall height at all pile installation locations. <br /> Typical Piles <br /> Case 1: Point Load(6'Span) <br /> Pile Reaction=2270 plf*6'=13.7 k <br /> Case 2: Uniform Load <br /> -DL=12*10+15*(20+10)+800=1370 plf <br /> -LL=40*10=400 plf <br /> -SL(snow)=25*20=500 plf <br /> Total load=DL+LL+SL=2270 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 />