San Francisco : Architect and Engineer, Inc · leaf 41
s sketch combines the sorts of conditions found to prevail in manylocaHties where wood has been improperly used. Unprotected wood in or onthe ground makes possible both settlement and rapid increase of the subter-ranean termites. Workings in stumps, poles, posts, sidewalks, and wood ofbuildings are… … Fig. 29—Covered runways from nest in ground over concrete pile to bridgeand rail timbers above, b^—Earthen runways on poles, c—Flagpole in schoolyard set in copper-lined concrete base, which fell as result of damage byground dwelling termites. Flag poles should be butt treated with a…
Architecture · Building
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