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SOIL VALUES USED IN THE <br /> DESIGN OF THIS PROJECT <br /> FRICTION ANGLE UNIT WEIGHT <br /> TYPE OF SOIL (DEGREES) (Ib/ft-3) <br /> SCHEDULE OF REQUIRED REINFORCED BACKFILL 30 120 <br /> BOULDER SIZES RETAINED BACKFILL 30 120 <br /> EXPOSED WALL BOULDER DEPTH, FOUNDATION SOIL 30 120 <br /> HEIGHT MIN. <br /> 4' 28' CROSS SECTION DESIGN BASED ON INFORMATION LISTED IN COVER <br /> 5' 32' LETTER. <br /> 6' 36' TOP BOULDERS, TYP. <br /> 7' 38• (12" TO 18" BOULDERS <br /> 8' 42• ALLOWED FOR FINAL GRADE <br /> ADJUSTMENTS) <br /> NUMBER OF BOULDER COURSES \/� <br /> WILL VARY AS NEEDED \� <br /> 18 TO 23 DEGREE BASE BOULDERS 3', MAX. <br /> SETBACK, TYP. <br /> TOP BOULDERS, TYP. i VARIES <br /> (12" TO 18" BOULDERS 0 WALL BACKFILL COMPACTED 95% <br /> ALLOWED FOR FINAL GRADE �� 1 r� 'A r vie, <br /> I OF MAXIMUM STANDARD PROCTOR <br /> ADJUSTMENTS) \ Ut/ 4 'V v/ f l DENSITY <br /> 12" THICK SELECT GRANULAR f( <br /> MID—LEVEL BOULDERS, TYP. \\� / SAND OR DRAINAGE AGGREGATE F / 1 4-41 <br /> ® //► <br /> (OPTIONAL) � / <br /> GEOSYNTHETIC REINFORCEMENT FABRIC / V'1 d-a <br /> 5', MAX. 2 LAYERS ® 5'-0" LONG MIRAFI 3XT OR Q IVALENT <br /> BASE BOULDERS <br /> >til I/ 5 b e 1•erm e yl a n 75/ Q -pl�e <br /> HEAVY WOVEN GEOTEXTILE <br /> BOULDER FILTER FABRIC <br /> DEPTH BEHIND BOULDERS WALL BACKFILL COMPACTED 95% <br /> OF MAXIMUM STANDARD PROCTOR <br /> WALL EMBEDMENT = 6' MIN. ( DENSITY all <br /> AL <br /> �77 <br /> UNDISTURBED , I III—III—III— 4" DIA. DRAIN PIPE ENGIINEER ' <br /> SOIL OUTLET ® END OF WALL 46126 <br /> OR ® 40' CENTERS MAX �j,••� <br /> TYPICAL SECTION - TIERED BOULDER RETAINING WALL (HT. VARIE ''�'�`' <br /> S) OF 4P,' <br /> SCALE: NONE <br /> ''J'��� <br /> Designed B <br /> 9 Y PROJECT NAME/ Date: <br /> PDS LOCATION: 500 WILLOW DRIVE SOUTH / ❑R❑N❑, MN <br /> 10/18/2017 <br /> Checkfd By: CLIENT: OUTDOOR EXCAPES Project No: <br /> PDS CRITERIUM-SCHIMNOWSKI ENGINEERS 2345 DANIELS STREET 17-2989 <br /> 161 DUNBAR WAY PHONE:651.779.7700 <br /> Scale: MAHTOMEDI,MN 55115 FAX:651.779.7114 LONG LAKE, MN 5535620 Drawing Name: <br /> AS NOTED pschimno(uicriterium-schimnowski.com PHONE: 952-292-9772 TIERED BOULDER WALL <br />