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Retaining wall on a 1/2" setback. � <br /> 3/4" Gravel Backfill for Drainage � <br /> ��,�- y���-� Drain tile <br /> �� �,::; <br /> .�i~.���!. � . <br /> ������:��� Backfilled Soil Compacted in lifts. � <br /> ;;�:'*:•�` ^1 <br /> �����:<: Compacted Limestone Base a <br /> �}��*. . � <br /> �{:: .:,t . <br /> �� � <br /> � <br /> � � <br /> �� <br /> The stacked stone retaining wall is set on a compacted limestone base no thinner � <br /> than 6". Perforated drain tile and a loose gravel material is placed behind the wall to �: <br /> provide drainage. There will be an exit for the draintile no rnore than every 20'. <br /> There will be a landscape fabric placed between the drain�ge rock and the outs�i'������D <br /> soil so as to revent contamination with smaller silts. " �uN � 2 2ooe <br /> � p CITY OF ORONO <br />