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4,1City of Santa Ana <br />September 25, 1992 <br />fJob No: 01-3058-002101-00 <br />Log No: 2-2662 <br />Page 19 <br />o The values obtained per item b. above apply to both <br />square pad footings and shallow strip footings; <br />although they are slightly conservative for the <br />strip footing case. <br />o Provide minimum steel in continuous footings as <br />follows: <br />With Very High expansivity soil - 4x#5 bars, <br />4, <br />2 on top and 2 at the bottom. <br />With High expansivity soil - 4x#4 bars, <br />2 on top and 2 at the bottom. <br />With less expansive soil - 2x#4 bars, <br />1 on top and 1 at the bottom. <br />70 0 Bearing capacities should be re-evaluated whenloads have been obtained and footings sized. <br />o In the event that footings are founded in <br />structural fill consisting of imported materials, <br />the allowable bearing capacities will depend on the <br />type of these materials, and should be re- <br />evaluated. <br />o A concrete moisture cutoff barrier, consisting of a <br />tie beam or thickened slab edge extending to a <br />corresponding minimum depth of 24 inches below the <br />lowest adjacent final grade, should be provided <br />between exterior individual footings. <br />o The heavier column footings should be connected by <br />grade beams. <br />o Planter areas should not be sited adjacent to <br />walls:otherwise, measures should be implemented <br />to contain irrigation water and prevent it from <br />seeping into walls and under foundations. <br />o Embedment depths should not be allowed to be <br />affected adversely,such as through erosion,softening, digging, etc. <br />v/< o Footing excavations should be observed by theGeotechnical Engineer. <br />44 0 Foundation plans and loads should be reviewed by <br />the Geotechnical Engineer. <br />.WEr ·--.7.- . • I <br />...-i- *.I--I-- <br />*.-.--I--. ./--I. <br />-- <br />9 .3 '