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17 of 25 <br /> PROJECT NO. SHEET NO. <br /> /41111.11C <br /> S220906-2XR <br /> � 3008 Leonard Dr Everett WA 98201 <br /> PROJECT _ <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY JT DATE 10/13/2022 <br /> Maximum loading on grade beam determined <br /> based on building geometry,and through VSI/ <br /> conservative assumptions regarding span <br /> lengths and support walls/foundation.Basically, <br /> all concrete walls assumed full tributary span of I� L/2 k L/2 k <br /> floor members and roof members. �I <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#1-5,10&Concentric#1-2 2'-2" (18rr + $") <br /> Roof Trib=0.5*26'=13' <br /> Floor Trib=0.5*(5'+20')=13' <br /> Typical Fir Ht=20' y <br /> Helical Pile#6-7 <br /> Roof Trib=0.5*12'=6' <br /> Deck Trib=0.5*8'=4' \ Pile and connection requirements per Pile and connection requirements per <br /> Typical FIr Ht=10' contractor contractor <br /> Helical#8-9 <br /> Roof Trib=0.5*10'=5' <br /> Floor Trib=0.5*20'=10' <br /> Typical FIr Ht=20' i 8'-0" MAX <br /> Helical #1-5,10 & Concentric#1-2 Helical Pile #6-7 Helical #8-9 <br /> Case 1: Point Load(7'Span) Case 1:Point Load(12'Span) Case 1:Point Load(8'Span) <br /> Pile Reaction=1475 plf*7'=10.4 k Pile Reaction=660 plf* 12'=8.0 k Pile Reaction=990 plf*8'=8.0 k <br /> Pile Reaction w/SW=1725 plf*7'=12.1 k Pile Reaction w/SW=910 plf*12'=11.0 k Pile Reaction w/SW=1240 plf*8'=10.0 k <br /> Case 2: Uniform Load Case 2:Uniform Load Case 2:Uniform Load <br /> -DL=12*20+15*(13+13)=630 plf -DL=12*10+15*(6+4)=270 plf -DL=12*10+15*(4+10)=465 plf <br /> -LL=40*13=520 plf -LL=60*4=240 plf -LL=40*10=400 plf <br /> -SL(snow)=25*13=325 plf -SL(snow)=25*6= 150 plf -SL(snow)=25*5=125 plf <br /> Total load=DL+LL+SL=1475 plf Total load=DL+LL+SL=660 plf Total load=DL+LL+SL=990 plf <br /> Total load w/SW=DL+LL+SL=1725 plf Total load w/SW=DL+LL+SL=910 plf Total load w/SW=DL+LL+SL=1240 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 /> L12c 6 3_5.�,. <br />