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., <br />• <br />TO BENEFICAL _ II <br />USA E -~-- II <br />PERFORATED COLLECTION jj <br />PI PE <br />STEP I LOCATE CRACK <br />~f SUBSIDENCE CRACK <br />PLAN VIEW <br />t~SUBSIDENCE CRACK <br />_~_> <br />ADDITIONAL PERFORATED <br />PIPE <br />___~ <br />~.~__ <br />I i ~--. <br />II <br />~I <br />TO , I <br />BENEFICAL USE II <br />II <br />~I <br />I~'==_ <br />• <br />___~ <br />PLAN vlEw <br />STEP 2 EXCAVATE GROUNDWATER <br />STEP 3 ADD PERFORATED PIPE <br />STEP 4 BACKFILL WITH POROUS GRAVEL FILTER MATERIAL <br />STEP 5 COVER WITH NATIVE SOILS <br />STEP 6 REVEGETATE <br />COVER WITH , Y •'';•.i~ll <br />~ ~,.; <br />NATIVE SOILS <br />A <br />O'Q.~. <br />POROUS GRAVEL <br />/LAYER <br />PERFORATED <br />~ PIPE <br />TO <br />4--~- <br />BENEFICIAL USE Quo; •:; <br />CRACK FILLED <br />E---- BY NATURAL <br />IMPERVIOUS HEALING <br />LAYER <br />SECTION VIEW <br />~ SUBSIDENCE REPAIRS <br />SIGNIFICANT DEVELOPED SPRINGS <br />sorvoon <br />