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c:) <br />u_ <br />LLI <br />0 <br />-0 <br />Lf) <br />0 <br />XA;E POWN PCU <br />MY ISZO <br />WALK (rT� MAL) <br />1007-H ST SW' Top <br />SITE PLAN <br />-sw" M CCWWY ---- <br />= = NOTES: <br />WSMAU <br />DRAWING REFERENCE: DAVID EVANS AND <br />c� W K7L4MW 1. DESIGN OF THE BLOCK RETAINING WALL IS BASED ON THE SOILS REPORT, DATED MARCH 29, <br />ss-­_ - - - -Z r- �-ll / -,, 54J7 4k <br />ti ASSOCIATES, INC., STEPHENS PROPERTY, <br />2019, BY ASSOCIATED EARTH SCIENCES, INC. THE FOLLOWING DESIGN VALUES WERE USED* <br />0 v-- --- PRELIMINARY GRADING AND UTILITY PLAN, <br />Re 4/24/19 INTERNAL ANGLE OF FRICTION FOR RETAINED SOIL = 32 DEGREES <br />UNIT WEIGHT OF SOIL = 125 POUNDS PER CUBIC FOOT (PCF) <br />-------- ----------- <br />------------ -- <br />77 BATTER OF WALL = I H:6V (HORIZONTAL:VERTICAL) <br />N <br />0i, 7 BACKSLOPE LEVEL <br />_Rp_RAp <br />PAD, MAXIMUM WALL HEIGHT 10 FEET <br />------ $54 -------- <br />EXF04AM rVOMId EMBEDMENT DEPTH = 1 -FOOT MINIMUM <br />AlU 70SWALE I TI -------- <br />TRAFFIC SURCHARGE 250 PSF <br />t0vc LW Rm sAvwav? Mm (m)-_ <br />RRE SERME TO V__ MX-L-M *m 00) <br />0 20 40 SEISMIC SURCHARGE 0.25G <br />I <br />. .............. .................. FM <br />J 2. SUBGRADE PREPARATION, DRAINAGE PROVISIONS, AND OTHER RELEVANT SOIL <br />DMSVC WATM SMWCjr <br />CONSIDERATIONS SHALL BE IN ACCORDANCE WITH THE ABOVE REFERENCED SOILS REPORT. <br />DRY U'Awiw (MD) <br />it 3. SUBGRADE MATERIALS LIKELY TO CONSIST OF EXISTING LOOSE TO MEDIUM DENSE FILL OR <br />r I <br />_lrrriL -.1 'n, <br />aAj NATIVE GLACIAL SEDIMENTS. LOOSE FILUUNSUITABLF SOIL WILL BE EXCAVATED TO EXPOSE <br />=DING <br />12,370 SOXT SUITABLE NATIVE SUBGRADE AND REPLACED WITH STRUCTURAL FILL. <br />Al, 7, <br />rA <br />11 4W, 5.f� <br />FFE 561.01 <br />rA-51 4. OBSERVATION OF SUBGRADE, ROCK BEARING PAD, PLACEMENT OF DRAIN PIPE, GRAVEL, AND <br />caj <br />4, FINISHED BLOCKS BY GEOTECHNICAL ENGINEER IS REQUIRED. <br />irk <br />FALL PROTECTION <br />BY OTHERS 5. WALL ELEVATIONS AND LAYOUT ARE TO BE PER CIVIL DRAWINGS. <br />Zj9a <br />6. CONTRACTOR TO VERIFY ALL LOCATIONS, ELEVATIONS, DIMENSIONS AND SETBACKS. <br />!Aj GUARDRAIL <br />4� <br />GENERAL NOTES: <br />BY OTHERS <br />WALL UNITS <br />MIN AS REQUIRED <br />ON GRAM STORAOWAM? 31 <br />mr W/ I WALL UNITS ARE TO BE ULTRA -BLOCK AS MANUFACTURED BY ULTRA -BLOCK, INC. <br />Cfif 2 AW-RAP PAO <br />Dmc <br />DRAINAGE AGGREGATE <br />/ . . . ............ 1. DRAINAGE LAYER MATERIALS FOR WALL DRAIN SHALL BE CRUSHED ROCK MATERIAL MEETING <br />z now ccwm& 'i SrOMMA W? <br />WSDOT STANDARD SPECIFICATION 9-03.9(2) FOR SHOULDER BALLAST OR APPROVED EQUAL. <br />smocnm <br />MOMUR *fnAW <br />(APPROX gum), <br />COMMON BACKFILL (STRUCTURAL FILL) <br />LEVEL <br />Mi" VAM CB 8 <br />r <br />1. SOIL PLACED BEHIND THE WALL DRAIN SHALL BE INORGANIC SOIL PLACED AND COMPACTED TO <br />95% OF MODIFIED PROCTOR MAXIMUM DRY DENSITY (ASTM DI 557). THE MAXIMUM PARTICLE SIZE <br />SHALL BE 4 INCHES, THERE SHALL BE LESS THAN 20% BY WEIGHT OF PARTICLES GRATER THAN <br />6 <br />1-1/2 INCHES AND MAXIMUM 20% BY WEIGHT PASSING THE #200 SIEVE. THE PLASTICITY INDEX <br />VMIN <br />-------------------- i a STRUCTURAL FILL SHALL BE LESS THAN 20. EXCAVATED SITE SOILS MAY BE ACCEPTABLE IF THEY ARE MOISTURE <br />COMPACTED TO 95% CONDITIONED TO ALLOW COMPACTION TO THE SPECIFIED LEVEL. <br />UNK <br />ASTM D1557 <br />VMIN <br />BEARING PAD CONSTRUCTION <br />LEVEL 1. BEARING PAD SHALL BE PLACED AS SHOWN ON THE CONSTRUCTION DETAILS WITH A MINIMUM <br />1.5 THICKNESS OF 6 INCHES. <br />DRAINAGE <br />AGGREGATE <br />2. FOUNDATION $OIL SHALL EITHER BE FIRM AND UNYIELDING NATIVE SOIL OR STRUCTURAL FILL <br />PLACED AND COMPACTED TO AT LEAST 95 PERCENT OF MODIFIED PROCTOR DENSITY. <br />GUARDRAIL I'MIN <br />BY OTHERS EMBED <br />TMIN --i AS REQUIRED 3. SOIL BEARING PAD MATERIAL SHALL BE COMPACTED TO PROVIDE A HARD SURFACE ON WHICH <br />6" MIN CRUSHED -VMIN DIAMETER PERFORATED RIGID PVC PIPE WITH TO PLACE THE FIRST COURSE OF UNITS, COMPACTION WILL BE WITH MECHANICAL PLATE <br />ROCK BEARING PAD 6" COVER AND T'BEDDING OF 1" WASHED ROCK COMPACTORS TO A FIRM AND UNYIELDING CONDITION AS DETERMINED BY THE GEOTECHNICAL <br />PROVIDE MIN 1 %CONTINUOUS SLOPE TO OUTLET ENGINEER OR THEIR REPRESENTATIVE. BEARING PAD SHALL BE INCLINED AT 6H:lV. <br />6 4. BEARING PAD SHALL BE PREPARED TO ALLOW INTIMATE CONTACT OF BLOCKS WITH PAD. <br />FOUNDATION SOILS MUST BE APPROVED PRIOR TO PLACING THE LEVELING <br />3' MIN - LEVEL PAD - OVEREXCAVATION COMPACTION, OR OTHER METHODS TO PROVIDE A BLOCK UNIT INSTALLATION <br />FIRM AND STABLE BASE MAYBE REQUIRED. <br />co 1. FIRST COURSE OF BLOCKS SHALL BE PLACED ON THE BEARING PAD. THE UNITS $HALL BE <br />C\i r- CHECKED FOR BATTER AND ALIGNMENT. THE FIRST COURSE IS THE MOST IMPORTANT TO ENSURE <br />LEVEL I'MIN TYPICAL 61 WALL SECTION ACCURATE AND ACCEPTABLE RESULTS. <br />STRUCTURAL FILL NOT TO SCALE <br />1.5 COMPACTED TO 95% 2. ENSURE THAT UNITS ARE IN FULL CONTACT WITH BASE. <br />ASTM D1557 <br />3. UNITS ARE PLACED SIDE BY SIDE FOR FULL LENGTH OF STRAIGHT WALL ALIGNMENT. ALIGNMENT <br />I'MIN <br />DRAINAGE AGGREGATE <br />EMBED MAY BE DONE BY MEANS OF A STRING LINE OR OFFSET FROM BASE LINE TO A MOLDED FINISHED <br />FACE OF THE UNIT. ADJUST UNIT SPACING FOR CURVED SECTIONS ACCORDING TO THE <br />6'MIN CRUSHED 4'MIN DIAMETER PERFORATED RIGID PVC PIPE WITH MANUFACTURER'S RECOMMENDATIONS. <br />ROCK BEARING PAD 6" COVER AND 2" BEDDING OF V WASHED ROCK <br />PROVIDE MIN 1 % CONTINUOUS SLOPE TO OUTLET 4. PLACE AND COMPACT FILL BEHIND UNITS. <br />FOUNDATION SOILS MUST BE APPROVED PRIOR TO PLACING THE LEVELING 6. CLEAN ALL EXCESS DEBRIS FROM TOP OF UNITS AND INSTALL NEXT COURSE. <br />PAD - OVEREXCAVATION COMPACTION, OR OTHER METHODS TO PROVIDE A <br />FIRM AND STABLE BASE MAYBE REQUIRED. FALL PROTECTION 6. LAY EACH SUCCESSIVE COURSE SO THAT SHEAR CONNECTORS ARE ENGAGED. STAGGER EACH <br />BY OTHERS LAYER OF BLOCKS BY HALF BLOCK LENGTH. <br />TYPICAL 2.5'WALL SECTION 7. REPEAT PROCEDURES TO THE EXTENT OF THE WALL HEIGHT. <br />NOT TO SCALE GUARDRAIL INSPECTIONS <br />BY OTHERS <br />TMIN --i AS REQUIRED 1. INSPECTION OF THE WALL BASE, DRAIN, BACKFILL, AND BLOCK PLACEMENT <br />BY THE GEOTECHNICAL ENGINEER IS REQUIRED. <br />FALL PROTECTION <br />BY OTHERS <br />GUARDRAIL LEVEL <br />BY OTHERS <br />VMIN AS REQUIRED <br />T­ <br />LEVEL <br />6 DRAINAGE <br />AG <br />GREGATE NOTE: USE OPTIONAL LARGER COLUMN <br />A <br />STACK IF SINGLE STACK OF HALF <br />7r BLOCKS DOES NOT FILL VOID. <br />20 <br />'a I'MIN <br />TYP <br />A <br />4 TMIN 10 <br />TYP <br />6 <br />A <br />AGGREGATE <br />&MIN COMPACTED TO 96% ULTRA -BLOCK WALL <br />STRUCTURAL FILL <br />_7 VMIN <br />DRAINAGE <br />STRUCTURAL FILL <br />ASTM D1557 LEVEL <br />900 CORNER <br />LEVEL AIN. COMPACTED TO 95% <br />ASTM 0 1557 <br />T� 7­� 'A <br />VMIN 1.5 <br />EMBED <br />TMIN <br />ULTRA -BLOCK WALL <br />INSIDE 90* CORNER <br />EMBED C) <br />V'MIN CRUSHED <br />U- <br />6" MIN CRUSHED ROCK BEARING PAD <br />ROCK BEARING PAD 4" MIN DIAMETER PERFORATED RIGID PVC PIPE WITH 4�'MIN DIAMETER PERFORATED RIGID PVC PIPE WITH <br />&'COVER AND 2" BEDDING OF V WASHED ROCK 6" COVER AND 2" BEDDING OF 1" WASHED ROCK <br />PROVIDE MIN I% CONTINUOUS SLOPE TO OUTLET PROVIDE MIN I% CONTINUOUS SLOPE TO OUTLET BATTERED WALLS <br />FOUNDATION SOILS MUST BE APPROVED PRIOR TO PLACING THE LEVELING <br />FOUNDATION SOILS MUST BE APPROVED PRIOR TO PLACING THE LEVELING PAD - OVEREXCAVATION COMPACTION, OR OTHER METHODS TO PROVIDE A VERTICAL CORNER STACK -T <br />ETT <br />PAD - OVEREXCAVATION COMPACTION, OR OTHER METHODS TO PROVIDE A FIRM AND STABLE BASE MAYBE REQUIRED. f­ -- N <br />R 0T. LL <br />R <br />FIRM AND STABLE BASE MAYBE REQUIRED. <br />TYPICAL 7.6'WALL SECTION TYPICAL 10"WALL SECTION ULTRA -BLOCK CORNER DE LS <br />NOT TO SCALE NOT TO SCALE NOT TO SCALE <br />z� <br />E <br />cm F, a <br />0 <br />N <br />co <br />0 <br />Q W <br />> <br />0 <br />c%l <br />co 4_, <br />MEc'j <br />Sm E <br />c� 0 <br />< <br />g <br />cf) cz <br />gFw <br />E 0 <br /><3 0- <br />cz Q) <br />Bx <br />cf) <br />C) <br />> E <br />0 <br />Ln <br />cm <br />cc <br />AL <br />W <br />Z <br />CL <br />0 <br />0 <br />z <br />u <br />0 UJ <br />ui <br />> <br />uj <br />< <br />F_ <br />ri) <br />ui <br />'ok.4 <br />Lr. z <br />W <br />ui <br />Lij <br />7: <br />> <br />CL <br />ui <br />W <br />DRAWN BY: EIN <br />CHECKED BY: AWR <br />OATE <br />2 JAM <br />/zo <br />PROJECT NO, <br />20180567EO02 <br />F I G <br />U R <br />E <br />1 <br />