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110 <br /> PROJECT NO. SHEET NO. <br /> S201123-4XR <br /> PROJECT 1011 Temple Dr, Everett, WA 98201 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY ZT DATE 1/18/2021 <br /> Maximum loading on grade beam determined <br /> based on building geometry,and through <br /> Nifconservative assumptions regarding span <br /> lengths and support walls/foundation.Basically, <br /> all concrete walls assumed full tributary span of L/2 U2 <br /> floor members and roof members. <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:12 psf <br /> Conc Wall DL:150pcf x 296 in2=309 plf <br /> *see following pages for area calc <br /> 3'-0"MIN <br /> Pile#1-5 FIELD VERIFY <br /> Roof Trib =0.5*26'=13' <br /> Floor Trib=0.5*20'=10' <br /> Deck Trib=0.5*10'=5' y <br /> Typical Fir Ht=20' <br /> Pile#6 <br /> Roof Trib =2'trib+2'overhand=4' -- <br /> Floor Trib=0.5*20'=10' Pile and connection requirements per Pile and connection requirements per <br /> Typical Fir Ht=20' contractor contractor <br /> i 6'-0" MAX <br /> Pile #1-5 Pile #6 (w/o Chimney) <br /> Case 1:Point Load(6'Span) Case 1:Point Load(6'Trib) <br /> Pile Reaction=2735 plf*6'=16.5 k Pile Reaction=1500 plf*6'=9.0 k <br /> Pile Reaction w/SW=3044 plf*6'=18.3 k <br /> Case 2:Uniform Load <br /> Case 2:Uniform Load <br /> -DL=12*20+15*(4+2*10)=600 plf <br /> -DL=12*20+15*(13+2*10+2*5)=885 plf -LL=40*10*2=800 plf <br /> -LL=40*10*2+60*5*2=1400 plf -SL(snow)=25*4=100 plf <br /> -SL(snow)=25*(13+5)=450 plf <br /> Total load=DL+LL+SL=1500 plf <br /> Total load=DL+LL+SL=2735 plf <br /> Total load w/SW=2735+309=3044 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 /> R&R to verify 3'-0"minimum concrete wall height at all pile installation locations. <br /> L120 ENGINEERING&DESIGN <br /> 1/2:20 <br />