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q . NOTES: DRAINAGE STONE SPECIFICATION: <br />� <br />" 1. THE SECTION SHOWN REPRESENTS TYPICAL CONSTRUCTION FOR THE GONYEA DRAINAGE STONE SHALL CONSIST OF CLEAN 1" CRUSHED STONE (PHI 40°) <br /> a GRANITE CUBE BOULDER WALLS IN ORONO, MINNESOTA. THE WALL HEIGHTS, MEETING THE FOLLOWING GRADATION: <br /> N ELEVATIONS, BACK SLOPES AND TOE SLOPES VARY AS SHOWN ON THE SITE PLAN BOULDER DEPTH SCHEDULE: <br />¢ AND ELEVATIONS PLANS RESPECTNELY. (6H:N MAX TOE SLOPE)(NO BACK SLOPE) iIEVE SIZE: 100ASSING <br /> o WALL HEIGHT(H): MINIMUM BOULDER DEPTH(D): <br /> N 2. UPON EXCAVATION, WHERE UNSUITABLE SOILS ARE FOUND, SUBCUT TO DEPTH � 3/4" 100-75 <br />� "S"AND REPLACE WITH SUITABLE STRUCTURAL FILL TO ACHIEVE THE REQUIRED 0-5' 4" NO.4 0-10 <br />`` BEARING CAPACITY. THE STRUCTURAL FILL SHALL BE COMPACTED TO A � �8 NO.50 0-5 <br /> p MINIMUM 95%STANDARD PROCTOR DENSITl'. 7' 3�11 <br />� 3. APPROXIMATE LIMITS OF EXCAVATION VARIES WHERE SUBCUT IS REQUIRED. 8� 41�� RETAINED BACKFILL SPECIFICATION: <br />� ACTUAL LIMITS AND SIDE SLOPES TO BE DETERMINED BY CONTRACTOR AND <br /> p MATCH FIELD CONDITIONS AND OSHA REGULATIONS. (PIT RUN SAND=PHI 30)RETAINED BACKFILL SHALt BE FREE OF <br /> Z DEBRIS OR ORGANIC MATERIAL MEETING THE FOLLOWING <br /> z 4. THE BOULDER WALLS ARE DESIGNED AS GRAVITY WALLS: GRADATION: <br />° MINIMUM SAFETY FACTOR FOR OVERTURNING 1.5 <br /> T MINIMUM SAFETY FACTOR FOR SLIDING__ __________ 1.5 SIEVE SIZE: %PASSING <br />� MINIMUM SAFETY FACTOR FOR BEARING_________2.0 Z" 100 <br /> 0 3/4" 100-75 <br />= 5. THE MINIMUM BOULDER DEPTH (D) IS A FUNCTION OF THE OVERALL WALL NO.4 ZO-100 <br />� HEIGHT AS SHOWN IN BOULDER DEPTH SCHEDULE. A SMALLER BOULDER (D/2) NO.40 0-60 <br />`� MAY BE USED AS A TOP BOULDER FOR FINISHED GRADING PURPOSES. N0.200 0-35 <br />� NOTES: <br /> 0 6. THE BOULDERS SHALL BE PLACED TO AVOID CONTINUOUS JOINT PLANES IN PLASTICITY INDEX(PI)< 10 <br /> r H1 =EXPOSED WALL HEIGHT <br />¢ VERTICAL OR LATERAL DIRECTIONS. EACH BOULDER SHALL BEAR ON TWO OR <br /> G MORE BOULDERS BELOW IT,WITH GOOD FLAT-TO-FLAT CONTACT. H=EXPOSEI)WALL HEIGHT+EMBEDMENT <br /> 0 <br /> U <br />� 7. COMPACT ALL SOILS PLACED BEHIND THE DRAINAGE ZONE TO 95% STANDARD <br /> p PROCTOR DENSITY. <br />� 4.33' 8"LOW PERMEABLE S�)IL <br /> 0 8. THE WALLS REQUIRES A MINIMUM EMBEDMENT DEPTH "E" TO THE ELEVATIONS (VARIES FROM (PLANTING AREA) <br />" SHOWN ON THE WALL PROFILES.(12"MIN) �� <br />� 4.33'T07.1_) <br />� <br />� 9. PLACE A 4" DIAMETER PERFORATED CORRUGATED DRAINPIPE WRAPPED WT1H <br /> N GEOTEXTILE FABRIC INSTALLED AS LOW AS POSSIBLE WITH POSITNE DRAINAGE. CUT GRANITE BOULDER <br />� OUTLET THRU FACE AND LOW ENDS OF WALL. WALL 3 <br /> ox x �_D�'-_� : <br /> Q 10. A GEOTEXTILE FABRIC SHALL BE PLACED WHERE BOULDER WALL ABUTS TO f 'l <br /> T BUILDING FOUNDATION WALL AS SHOWN ON SHEET 3. OVERLAP ABUTMENT <br /> z JOINT 24"WITH A MINIMUM 48"WIDE FABRIC TO PREVENT DRAINAGE STONE AND APPROXIMATE LIMITS <br />" BACKFILL FROM MIGRATING THROUGH THE ABUTMENT JOINT.(SEE DETAIL) x x 1?"MIN DRAINAGE ZONE OF EXCAVATION <br />° (i"CRUSHED STONE) <br /> m 11. DURING WALL EXCAVATION, BENCHCUT AS REQUIRED TO FACILITATE BACKFILL WALL 2 RETAINED BACKFILL <br />� OPERATION AND BOND BETWEEN INSITU MATERIAL AND BACKFILL MATERIAL. <br /> 0 <br />� 13. DO NOT BRING HEAVY COMPACTION OR PAVING EQUIPMENT WITHIN 3' OF THE „E„ PAVER PATIO 15� g(�7 FILTER FABRIC � <br /> o BACK OF THE PROPOSED RETAINING WALL. SEE NOTE 3 <br /> z BENCH CL1T <br />� <br /> o �� � <br />� 1 L� �1 1 � �1 ��5�� <br /> 0 <br />� 1 1 1 1 <br /> z <br /> 0 <br />� <br /> o LOW PERMEABLE SOIL <br />� <br />� 4"PVC DRAINTILE W/SOCK.(SEE NOTE 9) SUBCUT(SEE NOTE Z) <br /> r <br /> m <br />� TYPICAL BOULDER WALL SECTION B - B <br />� (WALL 2 SECTION SHOWN AT 2.0') <br /> (WALL 3 SECTION SHOWN AT 25') <br />� <br /> x <br /> 0 <br /> ct u,���x�ed nv: v«,i��c �iea"R�"°°N°' I hereby certit� [ha[[his I i,sp ification,or report was prepared by <br /> c No. Daro R�w�.io�, Ny 25493 <br />� SRS GONYEA GRANITE CUBE WALLS me or under ny dir t:�perv,ion and that I am a duly Licensed <br />� ������i S��N Z OR�N�,MINNESOTA P -e_�No Professionai ng'n � 1 t law,of the State of Minnewta. <br /> Scale <br /> G 14-0694 <br />; i:- , , � � 3 #rt#a# <br />� � � �� �� � � 4 r�ie: <br /> e'l�CyLYNDALEAVENUEG()UTH 1VITE1MRL0l)MINGT()N MN5542C I)ate: Sher[Ni�: <br />< 5 GRAVITY WALL SECTION B - B 6 ���« I�/ol/'�oN <br /> P PH�)NE�1952)1115312 I FA%(76313Y219N91 WEI351TE WWW CDI U C'OM ��+C 1�Z,��4 <br />� � ��,,,or�ao� �,,,�.,w���_e ,���rv�a�F.�.,„„� � M[CHAELR.�OHNSON,P.E. <br />< <br />