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12 of 21 <br /> PROJECT NO. l SHEET NO. <br /> S200608-3 <br /> PROJECT 5102 27th Ave W, Everett, WA 98203 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY ZT DATE 9/11/2020 <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 of11/ <br /> 1� L!2 . L/2 <br /> floor members and roof members. �I <br /> Design code: IBC 2015 <br /> Roof LL(snow ground):25 psf ` - - <br /> Floor LL:40 psf <br /> Floor/Roof DL: 15 psf <br /> Wall DL:10 psf <br /> CMU DL: 104psf <br /> Pile#1,#2,#9 21-2" ��8" + 8"� <br /> Roof Trib =0.5*29'=14.5' <br /> Floor Trib=0.5*20'=10' <br /> Typical Fir Ht=20' <br /> Pile#3-#8 <br /> Roof Trib =2'trib+2'overhand=4' <br /> Floor Trib=0.5*20'=10' <br /> Typical FIr Ht=20' \ Pile and connection requirements per Pile and connection requirements per <br /> contractor contractor <br /> i 6'-0"MAX <br /> &7'-0"MAX <br /> Pile #1, #2, #9 Pile #3-#8 <br /> Case 1:Point Load(6'Span) Case 1:Point Load(7'Span) <br /> Pile Reaction=1880 plf*6'=11.3k Pile Reaction=1460 plf*7'=10.3k <br /> Case 2:Uniform Load Case 2:Uniform Load <br /> -DL=200+15*(14.5+2*10)=717.5 plf -DL=200+15*(4+2*10)=560 plf <br /> -LL=40*2*10=800 plf -LL=40*2*10=800 plf <br /> -SL(snow)=25*14.5=362.5 plf -SL(snow)=25*4=100 plf <br /> Total load=DL+LL+SL=1880 plf Total load=DL+LL+SL=1460 plf <br /> Refer to attached calculations for Refer to attached calculations for <br /> analysis. 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 /> or 7'-0"o.c. depending on pile location. <br /> LI20 ENGINEERING&DESIGN <br />