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APR-�-99 BB�6• FRQM•EVERET7 PLANNING DBPi ID.41E267B942 PACE 3/3 <br /> Drainage Laye► <br /> (12" Minimum Width) <br /> . � ' ��� <br /> Miraprid 7T, or equivalent <br /> � ' � ' � ' � ' � �-� <br /> 1 H � ( , I , I ,I i 2 Feet of overiap <br /> 6V O � � � � � � ��-- x_4 -- -- -- - - -- -- <br /> � � � � <br /> �s==�► <br /> O ' � ' � ' � � (i 2 Feet of overlaP 1.75 Feet <br /> 4 � � � � � � � � - -- -- -- - - - -- - <br /> � � , � � � , �i 2�F e M overlaP 1.75 Feet <br /> � � I � I � ; <br /> � � � • V��: -- -- -- <br /> O � ' � � 2 Feet of overlap 1.75 Feet <br /> 1 S" Minimum - - - - - - 5 I I ��- -- - -- -- -- --�- -- -- -- <br /> Keyway � � � � 1 Foot <br /> - - - !- - - - <br /> 4"�rigid, perforated PCV <br /> Rock size (ie 5 man) drain pipe <br /> NOTES: Maximum Height: 8 feet <br /> Rodcs should be angular, competent and free of defacts. <br /> Drainage layer should wnsist of 2"to 6" crushed rock or quarty spall. <br /> Drainpipa should be plaoed with enough 9radient to initiate flow and <br /> tightlined to a suiteble dscharge pafnt �r fadlity. Peiiorations should <br /> be oNented dovm. <br /> Rock Sizes: 1 man: 50-200 paund rock <br /> 2 man: 200-700 pound rock <br /> 3 man: 700-2000 pound rock <br /> 4 man: 2000-4000 pound rock <br /> 5 man: 4000-6000 pound rock � <br /> s man: 6000-8000 pound rnrac <br /> Oah: F1499 !y;DSL SaM: NONE PtoHct <br /> OEOTEST BERVICES,INC. G9oa3 <br /> 741 Mariw D�iw TYPICAL ROCKEFe'f SEC710N <br /> �� �5 NORTMSHORE CMURCH <br /> Fipun <br /> � �1��1e SEAWAY, LOT$ � <br /> EVERETT,WASHW(1TON <br />