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Bear Creek Return Shaft <br />Existing Surface <br />rl <br />3000 psi Concrete <br />,..,..n-,�.�.R <br />"6 <br />bean <br />HDPE Vent Pipe <br />Min. 2" Dia., 15' High <br />r :. 4- a rw r` <br />• F - R � <br />rebar on 6"x6" spacing <br />�t ,-- 3 "decking <br />WSx24 beam <br />DWG. 5 <br />