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' 14 of 24 <br /> PROJECT NO. SHEET NO. <br /> S210803-3XR <br /> PROJECT 500 Home Place Everett WA 98203 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY JT DATE 08/07/2021 <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 U2 U2 <br /> floor members and roof members. 11/ <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 T <br /> Wall DL: 12 psf <br /> Conc Wall DL: 150pcf x 240 in2=250 plf <br /> *see following pages for area calc <br /> 2'-2" (18" + 8") <br /> Typical Piles <br /> Roof Trib=0.5*26'=13' <br /> Floor Trib=0.5*20'=10' y <br /> Typical Fir Ht=20' <br /> Pile and connection requirements per Pile and connection requirements per <br /> contractor contractor <br /> i 6'-0" MAX <br /> Typical Piles <br /> Case 1:Point Load(6'Span) <br /> Pile Reaction=1460 plf*8'=8.8 k <br /> Pile Reaction w/SW=1710 plf*8'=10.3 k <br /> Case 2:Uniform Load <br /> -DL=12*20+15*(13+10*2)=735 plf <br /> -LL=40*10=400 plf <br /> -SL(snow)=25*13=325 plf <br /> Total load=DL+LL+SL=1460 plf <br /> Total load w/SW=DL+LL+SL=1710 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 />