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�`1�� 9 � �� /l -' �'%14 CIY'on 4. <br />MITCHELL & COMPANY <br />consulting engineers <br />1140-140th Avenue N.E., Suite D <br />Bellewe, Wazhington 9�0p5 <br />2o�•�azisoo <br />•� <br />•���� • <br />i_ <br />_-_-_ Fig. A. ROCICERY SECTION Fiq. B. ROCKERY ELEVATION Y- <br />... `_ _SCALE ' .. �. <br />-- . , ... _,_ . . k . <br />'-- — --- SCHEMATIC UyLi NOT TO t..;_:��_�_._i�____ <br />_. _ - ---i-- '- -=-, 7 - _ _ _,�_� iy - <br />- - --- . _. _- ----- �. ._ . : . . . . . . �T � ; . . . _ .� . , <br />,,� - -' ' = - <br />-E-r--. . . — . . .. : <br />.: A ROCKERY IS NOT A RETAINIl�TG WALL STRUCTURE. THE PRIMARY � - <br />�:_ "^ FUNCTION OF A ROCI�RY LS TO PROTF,CT �NE SLOPE FACE BY PREVENTIIVG I_____ _�" <br />-�. __.::: SOIL EROSION AND BLOUGHING. ROCIiERIES SHOULD BE CONSIDERID :�-`�.:. <br />.. .__._._ ., _ MAINTENANCE I1�MS THAT WII.L REQUIRE PERIODIC INSPECTION AND :__:.-. _:: :. - <br />_ —_-- REPAIIt. �- ---__.., <br />--� -- __...__.... <br />-�-:_=- MARIMLTM INCLINATION OF THE SLOPE B]EHIlVD THE ROCK WALL IS 2:1 -.—�"": <br />- <br />---'--- - (HO1tIZOIVTAL:VERTICAL). -_. <br />�- __ . <br />---: __ __-: ROCKS PLACID IN THE LOWER TWO THIItDS OF THE WALL SHOULD BE i:: _- <br />-�----.�.��-� FOUR MAN ROCK (30008-4000A9. ROCKS PLACID ABOVE TffiS LEVEL SHOULD ;-:--:_ ..: <br />-----=.__: GRADUALLY DECREASE Iri SIZE AS SHOWN ON THE SECTION ABOVE. :�---:-"_.: <br />-- = THE dANG DIlNENSION OF THE ROCKS SHOULD ERTEND INTO THE EARTH TO _- :--.- .. <br />_ __ . PROVIDE MARIMiJM STABIIITY. � - _ _ .._ <br />�-�_-.- ROCKS SHOULD BE PLACED TO AVOID CONTINUOUS JOINT PLANES IN =-----_- -� <br />- - VERTICAL OR LATERAL DIRECTIONS. EACH ROCK SHOULD BEAR ON TWO - <br />--- OR MORE ROCKS BEIAW TT, WITH GGOB FLAT-TO-FLAT CONTACT. - --- <br />-�:- DRAIN PIPE: 4 INCH 1�IINIMUM AIAMETER, PERFORATED OR SLOTTID RIGID ::.-_ -:.. <br />------- PLAS1'IC PIPE LAID W1TH A POSITIVE GRADIENT TO DAYLIGHT OR =-� ��� <br />--- APPROVED DRAINAGE SOURCE. :�--= _� - <br />, „ , <br />_.—__..�__�_-�-- ---�--------:T�---.y.._._�._._... <br />_ _- :--------------------�--------- ----- <br />--�------.___.—._...-----•_ �_--._._.�:.---..�.. ._ _ <br />_ . _ _ ._.._ ..---._. _ __._....___--•- --- <br />____..__..__.._._.._._.�----•--- _...- ' .-- <br />PREPARED B,Y N� • rl • PROJECT <br />DATE IG `2 � - SUBJECT <br />_� —.�--------*--•--_ _ . _ <br />;-� --- -- -- _ .. . . <br />.. _��_.�----=-- ------. _ .�_.._ --.._ <br />SHEET NO. � OF _ <br />No. 9'3-/43 <br />