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� . , . <br /> NOTES: 8" LOW PERMEABLE SOIL <br /> 1. THE SECTIONS SHOWN REPRESENTS TYPICAL CONSTRUCTION FOR THE <br /> WALLS AT THE LIN�BLOOM RESIDENCE. D/2 <br /> 2. THE MINIMUM BOULDER DEPTH (D) IS A FUNCTION OF THE OVERALL <br /> WALL HEIGHT AS SHOWN IN THE BOULDER DEPTH SCHEDULE. <br /> :.. � <br /> 3. BOULDER WA�L REQUIRES 8 OZ. FILTER FABRIC BETWEEN THE BOULDER � ',, ' <br /> UNIT AND 12" FREE DRAINING MATERIAL. � <br /> •.: ..' :. �GRANULAR BACKFILI. � <br /> i <br /> 4. THE BOULDERS SHALL BE PLACED TO INCREASE IN SIZE WITH 15' (MIN) i <br /> INCREASED HEIGHT, MAINTAINING THE MINIMUM DEPTH REQUIRED (D) � . � <br /> FOR THE OVERALL WALL HEIGHT (H). A SMALLER BOU�DER MAY BE '� � i� 1 <br /> USED ON THE TOP BOULDER (D/2) FOR FINISHED GRADING PURPOSES. H� ` �:' i� <br /> 5. THE BOULDERS SHALL BE PLACED TO AVOID CONTINUOUS JOINT PLANES H '� '' '� �� � ON–SITE BACKFILL <br /> IN VERTICAL OR LATERAL DIRECTIONS. EACH BOULDER SHALL BEAR ON FINISHED GRADE AT �8 OZ. FILTER <br /> TWO OR MORE ROCKS BELOW IT, WITH GOOD FLAT–TO–FIAT CONTACT. BOTTOM OF WALL �i FABRIC <br /> 6. COMPACT ALL GRANULAR FIL� PLACED BEHIND THE DRAINAGE ZONE � <br /> IN THE REfAINED ZONE OF THE WALLS AND COMPACT TO 95% 3 MAX � <br /> STANDARD PROCTOR OENSIN. �� � � : 4" DIA CORRUGATED PERFORATED PVC <br /> 7. THE MINIMUM WAL� EMBEDMENT VARIES FROM 6" TO 24". THE .` '� ' �ACE OF WALL ��50' OOUTAND LOW <br /> EMBEDMENT IS TO INCREASE TO 24" WHERE THE WALL IS POSITIONED POINTS ALONG WALL. <br /> ON THE 3:1 TOE SLOPE. <br /> 8. THE WALL IS DESIGNED AS A GRAVIIY WALL. 24" <br /> ��� ON SITE SANDY CLAY <br /> MINIMUM SAFETY FACTOR FOR OVERTURNING _________ � 5 <br /> MINIMUM SAFETY FACTOR FOR SLIDING _____________ � 5 TYP I CAL WALL S ECTI O N I <br /> 8" LOW PERMEABLE SOIL <br /> GRANULAR BACKFILL SPECIFICATIONS: p�2 <br /> THE IMPORTED RETAINED SOIL SHALL BE FREE OF DEBRIS OF ORGANIC <br /> MATERIAL MEEfING THE FOLLOWING GRADATION: <br /> r <br /> SIEVE SIZE: �PASS�NG: � <br /> 3/4" 100-75 . GRANULAR BACKFILL � <br /> i <br /> No. 4 20-100 15' (MIN) �i <br /> No. 200 0-10 � <br /> PLASTICITY INDEX (PL)<6 H1 i� � <br /> H ( .. ._ /� 1 <br /> i ON–SITE BACKFILL <br /> FINISHED GRADE AT �8 OZ. FILTER <br /> BOULDER OEPTH SCHEDULE: BOTfOM OF WALL � ��', �i FABRIC <br /> .: - , <br /> WAL� HEIGHT (H�: MINIMUM BOULDER DEPTH (Dl: <br /> �54 32" NOTE: - 4" DIA CORRUGATED PERFORATED PVC <br /> ;: . DRAINTILE WITH SOCK, OUTLET THRU <br /> 6 35" FACE OF WALL � 50 O.C. AND LOW <br /> 7 38" (H 1) = EXPOSED WALL HEIGHT POINTS ALONG WALL. <br /> 8 41" (H) = EXPOSED WALL HEIGHT + EMBEDMENT �--D—�I ON SITE SANDY CLAY <br /> 9 44" 6" <br /> TYP I CAL WALL S ECTI O N 2 <br /> COPYRICHT (c) 2009 BY CNIL SO�UTIONS GROUP, llC. <br /> Designed By: Project: Regislrolion No: I hereb ce �f th is Ipn s eCifiCation, or re ort was <br /> CIVIL SOLUTIONS GROUP LLC No. oa�e Revis�on e MRJ 25493 Y Y P p P <br /> ' LINDBLOOM RESIDENCE prepored by me o d my direct supervision and that <br /> 8200 HUMBOLDT AVENUE SOUTH, SUITE 100 � am du� cense of ss�ona� Engmeer under the �aws <br /> BLOOMINGTON, MN 55431 sco�e: ORONO, MN Projeet No: of the S�ot of n a. <br /> PHONE: (952) 294-4755 NTS rii�: 10-676 <br /> FAX: (952) 294-4595 ���e: TYPICAL WALL SECTIONS Orowing No: �L'��Vo <br /> 30 NOV 10 Z oote: <br /> MIKE@CSGMN.COM �1 Michael R. Johnson, P.E. <br />