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0 <br /> - <br /> m <br /> Z <br /> O <br /> a <br /> a. <br /> to <br /> BOULDER DEPTH SCHEDULE: <br /> GENERAL NOTES: WALL HEIGHT(H): MINIMUM BOULDER DEPTH(D): MINIMUM EMBEDMENT(E): MAXIMUM EXPOSED HEIGHT(H1): <br /> z 1. THE SECTION SHOWN REPRESENTS TYPICAL CONSTRUCTION. THE WALL HEIGHTS, 0'-4' 24" 1.5' 2.5' <br /> N ELEVATIONS, BACK SLOPES AND TOE SLOPES VARY AS SHOWN ON THE SITE PLAN AND 4'-6' 33" 2' 4' <br /> o ELEVATIONS PLANS RESPECTIVELY. 6'-8' 42" 2.5' 5.5' <br /> S 8'-10' 48" 3.5' 6.5' <br /> 0 2. UPON EXCAVATION, WHERE UNSUITABLE SOILS ARE FOUND, SUBCUT TO DEPTH AS <br /> o REQUIRED BY THE ONSITE GEOTECHNICAL ENGINEER AND REPLACE WITH SUITABLE NOTES: <br /> COMPACTED STRUCTURAL FILL TO ACHIEVE THE REQUIRED BEARING CAPACITY. THE <br /> z STRUCTURAL FILL SHALL BE COMPACTED TO A MINIMUM 95% STANDARD PROCTOR HI-EXPOSED WALL HEIGHT <br /> o DENSITY. H-EXPOSED WALL HEIGHT+EMBEDMENT <br /> Lu D ffi BOULDER DEPTH <br /> s 3. APPROXIMATE LIMITS OF EXCAVATION VARIES WHERE SUBCUT IS REQUIRED. ACTUAL E=EMBEDMENT <br /> LIMITS AND SIDE SLOPES TO BE DETERMINED BY CONTRACTOR AND MATCH FIELD <br /> CONDITIONS AND OSHA REGULATIONS. <br /> W <br /> to <br /> O 4. DURING WALL EXCAVATION, BENCHCUT AS REQUIRED TO FACILITATE BACKFILL <br /> a OPERATION AND BOND BETWEEN IN-SITU MATERIAL AND BACKFILL MATERIAL. <br /> - <br /> 5. THE MINIMUM BOULDER DEPTH (D) IS A FUNCTION OF THE OVERALL WALL HEIGHT AS <br /> t SHOWN IN THE BOULDER DEPTH SCHEDULE.A SMALLER BOULDER MAY BE USED AS A TOP <br /> 8 BOULDER(D/2)WITH A 24"MINIMUM DEPTH. 8 OZ.FILTER 8"LOW PERMEABLE SOIL <br /> •J D/2 FABRIC <br /> O 6. BOULDERS SHALL BE PLACED TO AVOID CONTINUOUS JOINT PLANES IN VERTICAL OR <br /> LATERAL DIRECTIONS. EACH BOULDER SHALL BEAR ON TWO OR MORE ROCKS BELOW IT, <br /> o WITH GOOD FLAT-TO-FLAT CONTACT. VOIDS SHALL NOT EXCEED 4 INCHES. SMALLER ttg��� ��� <br /> a 12"DRAINAGE ZONE d%'- .,,..•••::.."-: =":. APPROXIMATE LIMITS <br /> BOULDERS SHALL BE USED TO FILL ANY VOIDS GREATER THAN 4 INCHES. (1"CRUSHED STONE) IfiliffigI OF EXCAVATION <br /> %�" RETAINED SOIL <br /> 5) 7. THE WALL EMBEDMENT SHALL FOLLOW BOULDER DEPTH SCHEDULE. - <br /> h FINISHED GRADE 15" v.P' •.!•• ••:M r — J <br /> 8. THE WALL IS DESIGNED AS GRAVITY AND REQUIRES NO SOIL REINFORCEMENT. 4 MIN :,: %;ta;-.V..,......T.:.-:•..... I--SEE NOTE 3 <br /> '1 <br /> 1 c • J <br /> �++ -7:1--..-,;,,... z-.,.:, BENCH CUT r — <br /> O 9. A MINIMUM 8 OUNCE GEOTEXTILE FABRIC SHALL BE PLACED BEHIND BOULDERS DURING .. <br /> h CONSTRUCTION TO PREVENT DRAINAGE STONE FROM MIGRATING BETWEEN BOULDERS. I / I / 7 <br /> 2 10. DO NOT BRING HEAVY COMPACTION OR PAVING EQUIPMENT WITHIN 3'OF THE BACK OF If \\ /J1 I I \ // (1 "D" <br /> THE PROPOSED RETAINING WALL. - I 1 _I_ y I j <br /> co <br /> 11. 4" CORRUGATED PERFORATED DRAINPIPE WRAPPED WITH GEOTEXTILE INSTALLED AS 4"PVC DRAINTILE W/SOCK.OUTLET THRU FACE OF <br /> z LOW AS POSSIBLE WITH POSITIVE DRAINAGE. OUTLET INTO ONSITE DRAINAGE OR WALL AT THE LOW POINTS ALONG WALL LSUBCUT(SEE NOTE 2) <br /> g THROUGH WALL FACE AT 40.0'O.C.AND LOW ENDS OF WALL. <br /> Q 12. INSPECT EXCAVATION SLOPES FOR ACTIVE SEEPAGE AND PLACE ADDITIONAL DRAINS TYPICAL BOULDER WALL SECTION <br /> F WHERE SEEPAGE OCCURS. <br /> o 13. AT THE END OF EACH DAY'S OPERATION, SLOPE THE LAST LIFT OF BACKFILL TO DIRECT <br /> SURFACE RUNOFF AWAY FROM THE WALL. DO NOT ALLOW SURFACE RUNOFF FROM <br /> O ADJACENT AREAS TO ENTER WALL CONSTRUCTION AREA. <br /> 98a <br /> O 14. CIVIL DESIGN PROFESSIONALS SHALL NOT BE LIABLE FOR CONTRACTOR NEGLIGENCE. <br /> M _ <br /> J <br /> U <br /> m <br /> El <br /> N <br /> 7. <br /> 0 <br /> c20/40.-oryto kir <br /> r 'Designed sr: Pmiecn Ro$tretlo"No' ' I hereby cerci that this pl. .. ification,or report was prepared by <br /> No.0 <br /> Date Revision �' DSK 1130 OLD CRYSTAL BAY ROAD 25493 me or under y di - ion and that I am a duly Licensed <br /> 1 ORONO,MINNESOTA — Professional ngi <br /> II ' laws of the State of Minnesota. <br /> CIVIL DESIGN 2r Project <br /> 7:', Cp41? 16-0so9 :i <br /> lk <br /> PROFESSIONALS 4 - 1"=5' Tisk: _ <br /> 8909 LYNDALE AVENUE SOUTH,SUITE 20W BLOOMINGTON,MN 55420 5 _ Date: CROSS SECTION �Na' are: i/M�/l i <br /> I PHONE.HMI 303-MIS I PAX.(763 392 989 I WE•91n W W W.cw.UICOM __ JUN 13,2016 <br /> •nr"an.w'n'aaaruu."e.owwrnnoom+n'aawa+•u `6 l` 4.00 J MICHAELR)oHN •N,P.E. <br />