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13 of 21 <br /> \ A PROJECT NO. SHEET NO. <br /> ki S221006-2XR <br /> / <br /> 414akit PROJECT 2418 74th St SE Everett WA 98203 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY JT DATE 11/19/2022 <br /> Maximum loading on grade beam determined <br /> based on building geometry,and through <br /> \ifconservative assumptions regarding span <br /> lengths and support walls/foundation.Basically, <br /> all concrete walls assumed full tributary span of L/2 L/2 <br /> floor members and roof members. <br /> Design code:IBC 2018 1 <br /> Roof LL(snow ground):25 psf 1 <br /> Floor LL:40 psf - <br /> Patio/Deck LL:60 psf <br /> Floor/Roof DL:15 psf <br /> Wall DL: 12 psf T <br /> Conc Wall DL: 150pcf x 240 in2=250 plf <br /> *see following pages for area calc <br /> 2'-2" (18" + 8") <br /> Pile#1-2 <br /> Roof Trib=2'trib+2'overhand=4' <br /> Floor Trib=0.5*20'=10' <br /> Typical Fir Ht=10' 't <br /> Pile#3-4 <br /> Roof Trib=0.5*28'=14' <br /> Floor Trib=0.5*20'=10' \ Pile and connection requirements per Pile and connection requirements per <br /> Typical Fir Ht=10' contractor 1contractor <br /> / 8'-0"MAX - <br /> Pile #1-2 Pile #3-4 <br /> Case 1:Point Load(8'Span) Case 1:Point Load(8'Span) <br /> Pile Reaction=830 plf*8'=6.7 k Pile Reaction= 1230 plf*8'=9.9 k <br /> Pile Reaction w/SW=1080 plf*8'=8.7 k Pile Reaction w/SW=1480 plf*8'=11.9 k <br /> Case 2:Uniform Load Case 2:Uniform Load <br /> -DL=12*10+15*(4+10)=330 plf -DL=12*10+15*(14+10)=480 plf <br /> -LL=40*10=400 plf -LL=40*10=400 plf <br /> -SL(snow)=25*4=100 plf -SL(snow)=25*14=350 plf <br /> Total load=DL+LL+SL=830 plf Total load=DL+LL+SL= 1230 plf <br /> Total load w/SW=DL+LL+SL=1080 plf Total load w/SW=DL+LL+SL=1480 plf <br /> Refer to attached calculations for analysis. 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 />