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20 of 35 <br /> PROJECT NO. SHEET NO. <br /> �•�� S220725-3XR <br /> 4.00Tik/1"11/410/:, <br /> PROJECT 1612 Rockefeller Ave Everett WA 98201 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY JT DATE 09/22/2022 <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 <br /> Helical#1,4,10&Concentric#2 2'-2" (1 8" + 8") <br /> Roof Trib=0.5*30'= 15'Floor Trib=0.5*20'=10' <br /> Typical Fir Ht=15' <br /> Helical#5&Concentric#1 <br /> Roof Trib=0.5*16'=8' <br /> Floor Trib=0.5*20'=10' \ Pile and connection requirements per Pile and connection requirements per <br /> Deck Trib=0.5*8=4' contractor contractor <br /> Typical Fir Ht=15' <br /> Helical#6-8 <br /> Roof Trib=0.5*16'=8' <br /> Deck Trib=0.5*8=4' i 8'-0"MAX <br /> Typical Fir Ht=10' <br /> Helical #1,4,10 & Concentric #2 Helical #5 & Concentric #1 Pile #6-8 <br /> Case 1:Point Load(8'Span) Case 1: Point Load(8'Span) Case 1:Point Load(8'Span) <br /> Pile Reaction=1330 plf*8'=10.6 k Pile Reaction=1350 plf*8'=10.8 k Pile Reaction=740 plf*8'=6.0 k <br /> Pile Reaction w/SW=1580 plf*8'=12.7 k Pile Reaction w/SW=1600 plf*8'=12.8 k Pile Reaction w/SW=990 plf*8'=8.0 k <br /> Case 2:Uniform Load Case 2: Uniform Load Case 2:Uniform Load <br /> -DL=12*15+15*(15+10)=555 plf -DL=12*15+15*(8+10+4)=510 plf -DL=12*10+15*(8+4)=300 plf <br /> -LL=40*10=400 plf -LL=40*10+60*4=640 plf -LL=60*4=240 plf <br /> -SL(snow)=25*15=375 plf -SL(snow)=25*8=200 plf -SL(snow)=25*8=200 plf <br /> Total load=DL+LL+SL=1330 plf Total load=DL+LL+SL=1350 plf Total load=DL+LL+SL=740 plf <br /> Total load w/SW=DL+LL+SL=1580 plf Total load w/SW=DL+LL+SL=1600 plf Total load w/SW=DL+LL+SL=990 plf <br /> Refer to attached calculations for analysis. 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 />