4719 BELVEDERE AVE 2016-01-01 MF Import

� Junc 28,206 David and Judy King L&A Job No. 6A07G Page l3 • Thc minimum width should hc no icss than IG inchcs for continuous footings, and no less than 24 inchcs for inJiviJual footings. A onc-third incrcasc in thc abovc rccommendcd allowablc soil bca�ing prcssure mny be uscd whcn considcring short-tcnn, transitory, wind or scismic luads. For footing foundations designcd and conswctcJ per rccommcndations abovc, wc estimate that the maximum total �st- construction setUcment of thc buildings should be 3/4 inch or Iess :uid thc dit%ren�ial setticmcnt across building width should bc 1/2 inch or Icss. Lnteral loads on buildings c.vi bc resisted by the friction force txhvicen the foundations and thc subgradc soils or thc passivc ruth pressurc acting on thc bclow-gradc �rtion of thc foundations. Por thc lattcr, the fi�undations must be pourcd "ncaP' against undisturhed soils or backfilled �vith a cican, frco-Jraining, compnctcd swctural fill. Wc rccommcnd that an cquivalent 11uiJ dcnsity (GFD) of 325 pcf (pounds per cubic fooQ for the passive carth pmssure bc used for laterol resistnncc. 7�he abovc passive pressure assumes that the backfll is Ieve! or inclines up::�rd nway 1'rom thc foundations fur a horizonlal Jistance at lcasl twice the Jepth of the foundations beluw the final grade. A coc117cicnt of friction of 0.G0 bctwecn the foundations and thc subgrade soils may bc uscd. 7�hc abovr, soil parameten are unf'actured values, and a proper factor of safety should bc uscJ in calculating ;i�c resisting torccs against latcril loads on the buildings. PILG FOUNDA'I70Nti 1'ooting foundations pourcd on loosc fill, .0 cncountcrcd within thc footprint of thc west gurugc, cnn result in �xcessivc sctUcmcnt which can cause structural damages. Pile foundations may be uscd to pcnetmtc loose fill soils and scatcd into under thc underlying dense Lsperance Sand and h,vd Whidbcy fo�mutior soils to transmit foundation loads safcly M the underlying competent soils. I'ile tbimdations can also be used to reduce building seiback from top of bank of slope A090 or more. We recommcnd stecl pin pilcs be used if pilc founclations have tu be used. Stcel pin pilcs arc conswcted of small diamctcr stecl pipcs. We rccammcnd that steel pin piles be LIU & ASSQCIATES, INC.