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| Last additions - otis-a's Gallery |
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| Random files - otis-a's Gallery |

footing hole going down all in!normal steel cement const. chaing raiotis-a
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load up 1st flr roof/2nd floorsunny time progressotis-a
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add den roomfoundation columns digging simple foundation ROT: remove weight of old soil = load on column do not count unconsolidated soil weight then is rock solid way to exsure no crack no settling unless u build in quick sands & if do quick sand build use pile to depth 1st consolidated layerotis-a
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blue= sanitary/ water yellow=electricalrear viewotis-a
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