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Home My WebLink AboutSDP202000018 Plan - Revision 2021-03-24 (2)Stn. b WALL A � r ' t t. Lt�ryaelr r. WALL B� ('0„rr fro REu.Up #o®' aPE wsn WALL E WALL D VALL C 46.5 � 1 TM. LYAif � :.g 6Nb I � ".� DRAWING INDEX Sheet 1 Site Plan 2 General Notes/ Design Parameters 3-4 Details 5 Wall A - Sta. 0 to 5ta. 62 6 Wall B - Sta. 0 to Sta. 46.5 7 Wall C - 5to. 0 to Sta. 63 8 Wall D - Sta. 0 to Sta. 130.5 9 - 10 Wall E - Sta. 0 to 5ta. 168 N 42" Tall Safety Handrail or Fence w/ Sleeve -It SDI Fence -Post Anchoring System Cap Unit E Secure to Top Um\ w/ Concrete Adhesive Anchor Diamond Pro Units Drainage Aggregate Min 12" Thick VDOT No. 57 Stone x-E ---------------- 'a —„mow ^_ �, Non -Woven Filter Fabric Mirofi 140N or Equivalent Geogrid Reinforcement (Typical) Refer to Wnll Profile for Geogrid Type, Geogrid Length (GL) and Location 41* rl — — — — — —24" Vertical Spacing (TYp.) Retained Soil Reinforced Fill �� _4" Dia. Drain Pipe Granular or Low Plasticity Soil "_ !i Compacted Bockf ill See Drain Detail) ) Compact To Min 95% Standard i' E Stone Leveling Pad GL Proctor Density VDOT No. 21A Stone i See Wall Prof ile 6" Minx 24' Wide . , 0 RUITYPICAL RETAINING WALL CROSS SECTION E TANG F ELEX TO RE.A,N (Not to Scale) F.T RUMMNG .EA' xG YRNOE LR "PGq°k EN.>5 TO RE --IN O Al NEW AULN qq� BuiLOiNC A S B kI ' !{F NFW PgyStx! �' RE p)o° s Es 9umN4 14 g5° Scale: 1" = 100 FT SITE PLAN 0 50 100 Anchor Diamond Pro Segmental Retaining Walls Flow Automotive - 1300 Richmond Road Albemarle County, Virginia Site Plan Adapted From the Grading & Utilities Plan, Sheet No. C5 of 15 Dated February 21, 2020 (Rev. 8 - 3/8/21), Prepared By Shimp Engineering, P.C. Site Plan For Illustrative Purpose. Approx. Scale: 1" = 100 FT Weephole w/Wall Drain Pro Daylight Pipe Through Wall 40' OC Spacing (Typ.) g f 12-1/2" i ----------------- 0 0 1Iy2" I _ Rear Lip 18 1" Setback 8_1 '" >i Straight Split Face I I I I I � I I pri I 1 I I I � � I ANCHOR DIAMOND PRO UNIT (Not to Scale) Flow Automotive - 1300 Richr Circeo Geotechnical 5956 Buekland Mill Road Roanoke, Virginia 24019 7AICHAf R. CIRCEO �' 3 Engineering, P.C. ft. 021245 �� Phone: (540) 366-2379 Scale: 1"=100 FT Project No. I RW-2530 fSS Date: 02/07/21 ONAt LNG 1 Revision: 1 03/11/21 1 Sheet I 1 of 10 NOTES: 1.0 STRIP VEGETATIVE AND ORGANIC SOIL FROM THE WALL AND GEOGRID ALIGNMENT. 2.0 BENCH CUT ALL EXCAVATED SLOPES. 3.0 DO NOT EXCAVATE BEYOND EXCAVATION LINES SHOWN ON PLAN UNLESS DIRECTED BY THE GEOTECHNICAL ENGINEER TO REMOVE UNSUITABLE SOIL. 4.0 CONTRACTOR SHALL ENSURE TEMPORARY EXCAVATIONS ARE STABLE AND PROVIDE EXCAVATION SUPPORT IF NEEDED. 5.0 GEOTECHNICAL ENGINEER SHALL VERIFY FOUNDATION SOILS AS BEING COMPETENT PER THE DESIGN PARAMETERS. 6.0 LEVELING PAD SHALL CONSIST OF COMPACTED SAND, GRAVEL, OR COMBINATION AND SHALL BE A MINIMUM 6-INCH THICK LAYER WITH A MINIMUM WIDTH OF 24 INCHES. AS AN ALTERNATIVE, A MINIMUM 3-INCH THICK LAYER OF LEAN CONCRETE (FLOWABLE FILL) WITH A 28-DAY COMPRESSIVE STRENGTH OF 200-300 P5I MAY BE USED AS A LEVELING PAD. 7.0 A 4-INCH-DIAMETER SLOTTED DRAINAGE PIPE SHALL BE INSTALLED BEHIND THE WALL AND CONNECT TO WEEPHOLES INSTALLED AT THE BASE OF THE WALL (40 FEET ON CENTER) AND EXTEND BEYOND THE FINAL GRADE TO DAYLIGHT (SEE DRAIN DETAIL). 8.0 DRAINAGE AGGREGATE AND UNIT (CORE) FILL SHALL CONSIST OF CLEAN ANGULAR &RAVEL (VDOT NO.57 STONE), MEETING THE FOLLOWING GRADATION AS DETERMINED IN ACCORDANCE WITH ASTM D-422. SIEVE SIZE PERCENTAGEPA55ING 1-112 INCH 100 1 INCH 95-100 1/2 INCH 25 - 60 NO.4 0-10 NO. 8 0-5 9.0 GEOGRIDS SHALL BE LAID HORIZONTALLY ON COMPACTED BACKFILL FOR THE REQUIRED GE06RID LENGTH (GL) IN THE TENSILE STRENGTH DIRECTION (PERPENDICULAR TO WALL FACE) NOTED ON THE WALL PROFILE. THE GEOGRID SHALL BE PLACED WITHIN ONE INCH OF THE FRONT FACE OF THE UNIT BELOW AND EXTEND HORIZONTALLY OVER COMPACTED FILL. 10.0 ANCHOR DIAMOND PRO UNITS MOLDED DIMENSIONS SHALL BE 8 INCHES HIGH BY 18 INCHES LONG BY 12 INCHES DEEP AND SHALL NOT DIFFER MORE THAN + 1/8 INCH IN ANY DIMENSION. 11.0 A 1-INCH SETBACK PER UNIT (REAR LIP) SHALL BE MAINTAINED FOR PROPER BATTER (I.E. 7 DEGREE CANT FROM VERTICAL). 12.0 GEOGRIDS SHALL BE PLACED WITHIN 1 INCH OF THE FRONT FACE OF THE UNITS AND GEOGRID5 PULLED TIGHT (AFTER PLACEMENT OF THE NEXT COURSE OF BLOCK UNITS) TO REMOVE SLACK AND TO INTEGRATE GEOGRIDS AND UNITS. 13.0 FIELD ADJUSTMENTS OF BLOCK ALIGNMENT MAY BE MADE ON NON -REINFORCEMENT LAYERS WITH THE USE OF SHIMS OR ASPHALT SHINGLES TO RAISE ONE COURSE OF BLOCK BY A MAXIMUM OF 1/4 INCH VERTICAL HEIGHT. DESIGN PARAMETERS: 1 BUILDING CODES: 2015 VIRGINIA UNIFORM STATEWIDE BUILDING LODE (USBC) 14.0 REINFORCED FILL SHALL CONSIST OF GRANULAR SOIL FILL AND 2015 INTERNATIONAL BUILDING CODE (IBC). WITH U5C5 SOIL TYPES GP, GW, GM, &C, 5W, SP, SM OR 5C 2 THE WALL PROFILES ARE BASED ON THE GRADING & UTILITIES PLAN, WITH A MINIMUM ANGLE OF INTERNAL FRICTION, OF 28 DEGREES SHEET NO. C5 Of 15, DATED FEBRUARY 21, 2020 (REV. 8 - 3/8/21). AS OUTLINED IN DESIGN PARAMETERS - NOTE 5. PREPARED BY SHIMP ENGINEERING, P.L. MAXIMUM PARTICLE SHALL BE LIMITED TO 4INCHES IN DIAMETER. 3 WALL DETAILS SHOWN ON THIS PLAN ARE FOR ANCHOR DIAMOND PRO THE FINE FRACTION (MINUS NO. 40 SIEVE) SHALL HAVE A MAXIMUM SEGMENTAL RETAINING WALL (SRW) UNITS MEETING THE NATIONAL LIQUID LIMIT (LL) OF 40 AND A MAXIMUM PLASTICITY INDEX (PI) CONCRETE MASONRY ASSOCIATION (NCMA) CRITERIA FOR SRW WALL SYSTEMS. OF 20. THE BACKFILL SHALL BE FREE OF DEBRIS AND ORGANIC MATTER. 4 ENGINEERING ANALYSIS BASED ON USE OF STRATAGRID 56200 AND 56350 HIGHLY EXPANSIVE SOILS (MH-CH) SHALL NOT BE USED IN THE GEOGRIDS. OTHER COMPATIBLE GEOGRIDS MAY BE SUBSTITUTED REINFORCED FILL ZONE. WITH THE APPROVAL OF THE WALL DESIGN ENGINEER. 5 THE DESIGN OF THE SEGMENTAL RETAINING WALL (SRW) 15.0 REINFORCED FILL SHALL BE PLACED IN 8-INCH LIFTS AND A55UMES THE FOLLOWING PARAMETERS: COMPACTED TO A MINIMUM OF 95% OF MAXIMUM STANDARD Ym, Moist FRICTION PROCTOR DENSITY (A5TM D-698) AND WITHIN + 3 PERCENTAGE SOIL SOIL UNIT WEIGHT ANGLE COHESION POINTS OF OPTIMUM MOISTURE CONTENT. COMPACTION TESTS SHALL CONDITIONS Type (PCF) 0, (DEG) (PSF) BE PERFORMED AS THE WALL IS INSTALLED. COMPACTION WITHIN REINFORCED FILL Granular Soil 120 28 0 3 FEET OF THE WALL SHALL BE LIMITED TO HAND -OPERATED EQUIPMENT. RETAINED SOIL On -Site Soil (MH) 120 26 0 FOUNDATION SOIL On -Site Soil (MH) 120 26 100 16.0 A VIBRATORY PLATE TAMPER SHALL BE USED TO DEN5IFY NO.57 STONE. COMPACTION TESTS CAN BE WAIVED WHERE NO.57 STONE IS USED AS REINFORCED FILL. 17.0 CONTRACTOR SHALL SLOPE SITE GRADES TO DIRECT SURFACE RUNOFF AWAY FROM WALL AT END OF EACH DAY TO AVOID WATER DAMAGING THE WALL WHILE UNDER CONSTRUCTION. 18.0 ANY SURFACE DRAINAGE FEATURES, FINISH GRADING, PAVEMENT, OR TURF SHALL BE INSTALLED IMMEDIATELY AFTER THE WALL IS COMPLETED. 19.0 IF SITE AND SOIL CONDITIONS, WALL GEOMETRY, OR WALL LOADING ARE DIFFERENT THAN THE DRAWINGS AND THE DESIGN PARAMETERS, THE CONTRACTOR MUST CONTACT THE WALL DESIGN ENGINEER PRIOR TO PROCEEDING WITH THE CONSTRUCTION OF THE WALL. 20.0 DETAIL FOR HANDRAIL OR FENCE POSTS AT THE TOP OF THE WALL IS PROVIDED FOR PLACEMENT OF POSTS. FENCE P05T5 SHALL BE PLACED DIRECTLY BEHIND THE WALL USING 5W SLEEVE -IT FENCE POST ANCHOR SYSTEM. 1" Setback )pen Cells Filled With Stone) 1" Rear Lip UNIT CONNECTION DETAIL (Not to Scale) 6 SOIL STRENGTH PARAMETERS ARE BASED ON USE OF GRANULAR SOIL FILL OR LOW PLASTICITY SOIL IN THE REINFORCED FILL ZONE. ALL ENGINEERED FILL SHALL BE PLACED IN MAXIMUM 8-INCH LIFTS AND EACH LIFT I5 COMPACTED TO A MINIMUM OF 95% OF MAX. STANDARD PROCTOR DENSITY, AND WITHIN+ 3 PERCENTAGE POINTS OF OPTIMUM MOISTURE CONTENT, USING PORTABLE COMPACTION EQUIPMENT. DO NOT USE HIGH PLASTICITY CLAY (CH-MH), ROOTS OR TOPSOIL IN REINFORCE ZONE. ANY SOFT, SATURATED SOIL ENCOUNTERED IN 5UBGRADE SHALL BE UNDERCUT AND REPLACED WITH CRUSHED STONE TO STABILIZE THE FOUNDATION 5UBGRADE OR AS DIRECTED BY THE GEOTECHNICAL ENGINEER. WALL A - MAX. WALL HEIGHT = 7.33 FEET (INCLUDING EMBEDMENT) WALL B - MAX. WALL HEIGHT = 6 FEET (INCLUDING EMBEDMENT) WALL C - MAX. WALL HEIGHT = 8 FEET (INCLUDING EMBEDMENT) WALL D - MAX. WALL HEIGHT = 6.67 FEET (INCLUDING EMBEDMENT) WALL E - MAX. WALL HEIGHT = 12 FEET (INCLUDING EMBEDMENT) FRONT SLOPE = LEVEL TO MAX. 2H:1V BALKSLOPE BEHIND THE WALL = LEVEL TO MAX 2HAV SURCHARGE AT TOP OF WALL = 100 P5F MIN FACTOR OF SAFETY (SLIDING) = 1.5 MIN FACTOR OF SAFETY (OVERTURNING) = 2.0 MIN FACTOR OF SAFETY (BEARING CAPACITY) = 2.0 q = DESIGN SOIL BEARING PRESSURE = 1,000 P5F TO 2,000 PSF (SEE NOTE ON WALL PROFILES) MB. 021245 3ltt�Zi Albemarle Circe0 Geotechnical Engineering, P.0 nia 5956 Buckland Mill Road Roanoke, Virginia 24019 Phone:(540) 366-2379 Scale: 1 N/A I Project No. I RW-2530 Date: 02/07/21 I Vehicle Guard Post (Standard VDOT GR2) @ 6'-3" O.C. Use Utility Knife to Cut lop Geogrid Layer Drive Post Through Geogrid Layers) Offset Post Spacing To Avoid Conflict with Base of Sleeve -It 5D1 Cut Geogrid Around Sleeve Use Utility Knife to Cut Geogrid 15.25" Reinforced Fill 42" Tall Pedestrian Guard or Fence Post 30.6" Min 12" Thick VDOT No. 57 Stone Sleeve -It SD1 Post Spacing (Verify) i L Start Geogrid Approx. 1" From Front of Units VDOT GR2 Post Spacing (Verify) Anchor Diamond Pro Unit VEHICULAR GUARD POST THROUGH GEOGRID DETAIL (Not to Scale) Reinforced Fill i6— E= = Min 12" Thick • - \Ir1�\�Ir1r. Imo��inie��n == arse �� o Sleeve -It SDI } d Fence -Post Anchor S/Ys/Jt]e�m� N i L I I O I O ar I I I I I I I I I I I I I I I I ; Start Geogrid Approx. 1'I From Front of Units SRW Unit GEOGRID PLACEMENT DETAIL (Not to Scale) 30.611 42" Tall Fence or Handrail Post Sleeve -It 5 D1 Fence -Post Anchor System - Top Dia. 7.4" Grout Fill After Post Installation Bottom Dia. 9.4" FFilter Fabric - 4 FT Wide Mirofi 140N or Equivalent r Cantilever Base 30.6" L x 15.3"W A' Reinforced Fill SLEEVE -IT FENCE POST DETAIL Mo. 021245 3ltt�Zi Standard GR-2 Guard Rail Post Min 24" Clear Distance Behind Top of Wall, Max. 6'-3" O.C. Post Spacing Drive Post Through Geogrid Layer(s) GUARDRAIL POST DETAIL (Not to Scale) Automotive - Circeo 5956 Buckland Mill Road GEng! nical Roanoke, Virginia 24019 _ Engineering, P.C. 9 Phone:(540) 366-2379 01 Project No. I RW-2530 WALL A 426 424 422 420 4}- 418 0 0 d 416 W 0 a Q O 3 a Drain To Daylight @ End of Wall 414 412 -00 408 Surcharqe = 100 psf TOC = 418.33 TOW = 418.00 GL = 7.5 FT 6L=6FT I I� 6L=7.5 FT TOC = 420.33 (HP) TnW = 49n M GL=7 GL = 7.5 FT Lem `BOW = 412.00 \ GL 7.5 FT I GL=9 FT % BOW = 410.00 -6" Thick Stone BOW = 408.67 (Low Point) I ICI 1I L Drain Pipe to Daylight - 40 FT O.C. (Typical) Levee l 406�r� n I DO 18 37. 20 30 5 40 I I j I Station (ft) I I I I LF GL = 6 FT —yam— GL = 7.5 FT — I GL = 9 FT GL = 7.5 FT I I I ENLARGED SITE PLAN VA \ CO ,� C' u LEGEND ® Cap Unit (4" Height) Anchor Diamond Pro Units (8" Height x 18" Width) Leveling Pad (Min. 6" Thick Stone or Min. 3" Lean Concrete) TOC Top of Cap Unit TOW Top of Wall (Excluding Cap Unit) BOW Bottom of Wall (Including Embedment) 200 ' StrotoGrid S6200 0 4" Drain Pipe to / LL. , / 3 �Sta I LLJ >, o I \V WALLA --- w/ 42" Tall Pedestrian Guard I \I I I Begin Steps I QD y i 8l� i o o >o ta. 57 .LLJ CY (/l LiJ _ A Sta. 62 Use Granular or Low Plasticity Soil In Reinforced Fill Zone RETAINING WALL A Sta. 0 to Sta. 62 Viewed From Front Face of Wall = Design Soil Bearing Pressure = 1,500 Abut Wall A To Building Foundation P. Wall M d Transition To Sidewalk " @ EL. 420.42 a _ N GL=6FT � N W BOW = 418.67 — 1 BOW = 418.00 I I L 6FT BOW = 416.00 = I I I —Concrete Steps I I I 1 I I I I I Grade at Bottom of Wall 48 50 97 60 62 I I I I I I 0 6eogrid �l 6L=66eogrid —I FT I � Scale: 1" = 20 FT 0 10 20 rives rnulumunve - •avv rocnmunu muou r�p.LTN 0—i Albemarle CountL Virginia CIRCEO GEOTECH Circeo 5956 Buckland Mill Road i ,� — Geotechnical Z � Engineering, P.C. Roanoke, Virginia 24019 HAE R. culnu Phone: (540) 366-2379 No. 021245 3!li/Z� Scale: H: 1"= 5 ft. S%ONAL Evk V: 1"= 5 ft. Project No. RW-2530 Date: 02/07/21 Surcharge = 100 psf WALL B TOC = 421.00 426 TOW = 420.67 Min 42" Toll Pedestrian Guard TOC = 421.00 Abut Wall g TOW = 420.67 To Building as 5 Foundation Wall m 42 m 0 a V) O 420 , GL=6FT GL=4.5 FT = F- GL=4.5 FT GL=6FT W eny l!J 418 � 6L=6FT 6L=4.5 FT _ 3 6L = 6FT 416 GL=6FT BOW = 418.00 } BOW = 418.00 GL=4.5 FT of = BOW 416.00 BOW = 416.00 ala _ BOW = 418.67 i i r i 61-=6 FT ..Thick Stone Proposed Grade at Bottom of Wall _ Drain Pipe to Daylight BOW = 414.67 (Low Point) —Leveling Pad alz 0 10.5 IB 30 31.5 40 46.5 I I I � 6L = 4.5 FT ►I� 1 6L = 6 FT Station (ft) 6L = 4.5 FT � I 1 1 I � Reinforced Fill <<< WALL B / � � B U I L w/ 42" Tall Pedestrian Guard f E X. SALE' <><>< Filter Fabric SEGMENTAL E!._O',K /1 / ET. �T� WALL $MAX HEG i VDOTN0.57Stone :ti'+'{' /� EEE a<a<>< - -------- ----------- 0 00 00 00 Sta 0 to. BEE '< /Q 57 At Abutment, Alternate Full Unit See Wall Abutment Detail, This Sheet Ex. Structure with Half Unit Every Other Course. Do Not Attach to Structure. II Sta. 40 / I I I i ' ;• � rr-i ,•I ./1I;�,,ll\ I \ Scale: 1" = 20 FT WALL ABUTMENT DETAIL < v 3 � (Not to Seale) ENLARGED SITE PLAN Sta.46.5 c��/, o io zo LEGEND Flow Automotive - 1300 Richmond Road Use Granular or Low Plasticity Soil In Reinforced Fill Zone r`p�(,Tif O J ' `'i �'. Albemarle County, Virginia ® Cap Unit (a" Height) 0 Anchor Diamond Pro Units (8" Height x 18" Width) Leveling Pad (Min. 6" Thick Stone or Min. 3" Leon Concrete) Circeo Geotechnical 1Engineering, P.C. CIRCEO GEOTECH 5956 Buckland Mill Road Roanoke, Virginia 24019 TOC Top of Cap Unit RETAINING WALL B Ov VICNA R. CIRCE y. Phone: (540) 366-2379 TOW Top of Wall (Excluding Cap Unit) Sta. 0 to Sta. 46.5 �• 021:2� Scale: H' 1"= 5 ft. BOW Bottom of Wall (Including Embedment) 'j!/(�Z( �^f V: 1"= 5 ft. 200 — • Strota6rid SS200 Viewed From Front Face of Wall S�ONAL Project No. RW-2530 Date: 02/07/21 E� GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight q = Design Soil Bearing Pressure = 1,500 psf Revision: 1 03/11/21 Sheet 6 of 10 WALL C 41 TOC = 404.33 41 TOW = 404.00 \ o 1 } o� U } j 4( d 3 W t L 4( t u) 4( Drain To Daylight @ End of Wall 1 Mom - MMMIMMMMIMM ■rw��r�■■��i mim M", =r,■■nr,M■r mmmmm■■■mm■�■s��.�.� i 1�I�!Si1�■li•■•�■•�■•■■A��i•�■��■III��:��11��1 Immm'"W" ��l�Glli��irir r•rr•rr•rr•rr•r■rrrt rrirrr��i�s� Ii-1��VI-■��ni wr��_�_�_■� mdammm ■♦��I��■■I�Ir�r��M�r rr�m____--_-- MI im 1 I I I GL=4.5FT I GL=6FT I 1 Station (ft) I Proposed Grade at Bottom of Wall I GL=7.5FT GL=6FT XV 1HO13H 'XVVTI vv^&-L- `- 13a '�NO� w�42"Tall Pedes Bi` 0 ENLARGED SITE PLAN L x�` 1 I I I I I� 6L = 4.5 FT � Scale: 1" = 20 FT 0 10 20 LEGEND nvw nawnW11VW - 40WW n�cnmvna R„IAU Use Granular or Low Plasticity Soil tPITN 0 Albemarle County, Virginia ® Cap Unit (4" Height) In Reinforced Fill Zone V1 1' CIRCEO GEOTECH 0 Anchor Diamond Pro Units (8" Height x 18" Width) a� I� Circeo 5956 Buekland Mill Road 0 Geoteneerinl Leveling Pad (Min. 6" Thick x 24" Wide Stone) � � _3 Engineering, P.C. Roanoke, Virginia 24019 roc Top of Cap Unit RETAINING WALL C OV MICHA R. CI.` (< Phone: (540) 366-2379 TOW Top of Wall (Excluding Cap Unit) . NB. OQ21245 �• BOW Bottom of Wall (Including Embedment) Sta. 0 to Sta. 63 '�� Scale: H' VI 5 ft. — — 200 — ' StratoGrid 56200 Viewed From Front Face of Wall G� V: 1"= 5 ft. Project No. RW-2530 ONAL �� Date: 02/07/21 GL 6eogrid Length (ft) 0 4" brain Pipe to Daylight q = Design Soil Bearing Pressure = 1,500 psf Revision: 03/11/21 Sheet 7 of 10 mopnm Min Tall Pedestrian Guard!I.!!!!!!!!!!!!.I!!!MKIM r • 1 !.1 ME • !!!!.I!!!!!!I� !I.!!!!!!!!!!!!.I!!!-. !!W • !!11!!!!.I!!!!!!I.!!!!!!!!!!!!.I!!!!!!I.!!!!!!!!!!!!.I!!!I- • . 1 !1!! !.•I !!i! lI�I !.I! lICI.!!!!!!!!!!!!.I!!!!lICI.!!!!!!!!—_— 11�\ .�,!I�!!!!.I!!!!!ll.��!!!!!l��•��---_— _.�1�!—!!!.IlI-!!!!It!!!!.1!!!!!-!.I!l111!!lI..1!!!!-!!!I\1.11..1 !r.l��.��--'—_— ��!!lI.II!!!ll1.I.!!!\•!!!!—!!!.IlI-!!!!■�!�!!.1!!!!!—!.I!!r'1!!lI..1!!!!—!!!\�-11..1 � ��1�•-I!!!!�•!I.!!■�!!!!�.!!lI.II!!!!l1.1.!!!\•!!!!—!!!.IlI-!!!!It!_.�Jl.1!!!!!—!.I!!rI!!lI..1!!!!—!!!\�1!"..1 ■\!!_!_!_�1.I!!!!■•!I.!!I�!!!!\.!!lI.II!!!ll1.I.!!!\•!!!!—!!!.IlI-!!!!■�!lr��•��1��5��_�_•��•�_�_�__________\_\\-_C_.-• 1 Ir�7��--�� I�------ _ _'ANlr��i1i�lliaifil.!!i!!!A!!!A! lAIS!!!!!!Al--•i llii .r..l��lmmiim�.�iQii—.t..lAf•!!!A ..! I..Irirl..lrirl..lr !!AI-!mmma•m lII..I .IlA!!lAIS!!!!!!A!!!A!. lAI.!!!!!!!!i� �lCr ME ME ME . � � rr�rrirlr�i, - .rr�irrrirr irrlrirlr�i�r -��rrirrlrir rrrr�rrz��r. �r1-!lrr�ir� � �; . a wosir� �.� �,�u�s ......ri.arr✓i�rri a� ll : • .... BOW= 398.00 Drain Pipe to Daylight - 40 FT O.C. (Typicall) —Proposed Grade at Bottom of Wall . r , t ' v►I .. Sta. 20 . t2o•. ' 0 • ..P, ?a. / �0 :. WALL b i ' FT I' �C ENLARGED • 10 20 •• Richmond Road Use Granular or Low Plasticity Soil Flow Automotive - Cap Unit (4" Height) In Reinforced Fill Zone CIRCE0 GEOTECH Albemarle County, Virginia Anchor Diamond Pro Units (8" Height x 18" Width) 5956 Buckland Mill Road =�-CGeeootechnical Leveling Pad (Min. 6" Thick x 24" Wide Stone) Roanoke, Virginia 24019 TOC Top of Cap Unit RETAINING WALL 0 . ' • I i• BOW Bottom . 0 WALL E FE 400 398 396 394 392 } 390 388 0 386 384 d 382 W 380 378 376 374 372 370 TOC = 382.33 TOW = 382.01 6L=6 FT Min 42" Tall Pedestrian Guard TOC = 389.00 TOW:388.67 GL=8 FT GL = 10 FT 6L = 10 FT GL =i 10 FT = 10 Parking Lot/Vehicle Surcharge = 00 psf w�l w • M ��r■w� ■wwww■� �wwwwl �w�� • � i �■wwr�w■��wwwwl�wwww■ mow■ S�LS9i�� ■ww■ �w■� �wwwwl �wwww■ 1� �r�i � A9ii■w�ri I.rrwli_i1osSS_�_!dw_ - irY.IrirlRlrirYiri✓• wwwwwwwwww�■www ��wwwwwww�■www - �ir•rY.�irY.�r.rrr� �� - _ • _ _ _ _� Y�mQ�■1 MAN_�__■____ •✓•IRIi�iJ�Y.ir•r� �w�■wwww r��n■n�� sir■rrir• iw�■wwwwww■�wwwwwwwwwwww�■www wwi■i✓•Y■w - r•rwwrr✓•wwi✓•Y■wir• wwwwwwwwww�■www �w�■wwww �w�■wwww �Iri�✓•IRlri �w�■wwww wwwwwwwwww� - r�iir�rirlRli.irl.r wwwwwwwww�rn■www ■www _ �t1�1�■w�wr ww��l�IlA rsilww - � -' ommmmma000wwwwwwww�i�w�� 6L=81ff / I 6" Thick Stone I = 380.67 I Leveling Pad Drain Pipe to Daylight - 40 FT O.C. (Typical) ! O I 12 38 30 40 50 ry 60 66 70 1 I I I I I 6L = 6 FT I=g �� 6L = 10 FT I GL = 12 FT �Im Iq = 1,000 psf q = 1�,250 ppsf q = 1,500 psf q = 1,750 pst�1 \ N 06, ta. 0 �6 - -- OK-- -Sta. 20 -._ - - - —-_-- Sta. 40 OS ENLARGED SITE PLAN LEGEND ® Cap Unit (4" Height) 0 Anchor Diamond Pro Units (8" Height x 18" Width) Leveling Pad (Min. 6" Thick Stone or Min. 3" Leon Concrete) TOC Top of Cap Unit TOW Top of Wall (Excluding Cap Unit) BOW Bottom of Wall (Including Embedment) — — 200 • — 'Stratogrid 56200 350 — ' Stratogrid 56350 0 4" Drain Pipe to 'BOW = 380.00 Additional Weephole @ Low Point Proposed Grade at Bottom of Wall 80 Station (ft) - 90 100 ISO GL=14FT q = 2,000 ps CQ- 0) NI 7 to. 168 I� sSta L40 Xd 1St° �ti� 80 0 Jed H •85$CJZ Use Granular or Low Plasticity Soil In Reinforced Fill Zone RETAINING WALL E Sta. 0 to Stu. 120 Viewed From Front Face of Wall q = Design Soil Bearing Pressure (p - �- WALL E w/ 42" Tall Pedestrian Guard and Traffic Guard As Specified Al • W w • •� EwwWA �MMEM • O N .r t5 w c J .c u 0 = 378.67 (Low Point) 120 I Scale: 1" = 20 FT 0 10 20 // Circeo 5956 Buekland Mill Road = Geotechnical 3 Engineering, P.C. Roanoke, Virginia 24019 R R. 0 Phone: (540) 366-2379 No.021245 �, 3lll�Z� Scald: Project No-TRW2530 �OA+AL �� Date: 1 02/07/21 WALL E w c 0 t i d w G 400 398 396 394 392 390 388 386 384 382 380 378 376 374 372 370 Parking Lot TOC = 384.33 TOC = 382.33 TOW = 382.00 Grade at Bottom of Wall 120 132 141 150 153 160 16 GL=14FT I 6L=12FT I�L=10FT GL=8FT I 51 &L=6FT I spi q = 2,000 psf I q = 1,750 psf I q = 1,500 psf q = 1,250 psf q = 1,000 psf I LEGEND ® Cap Unit (4" Height) Anchor Diamond Pro Units (8" Height x 18" Width) Leveling Pad (Min. 6" Thick Stone or Min. 3" Lean Concrete) TOC Top of Cap Unit TOW Top of Wall (Excluding Cap Unit) BOW Bottom of Wall (Including Embedment) 200 Stratagrid 56200 350 Stratagrid 56350 GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight Use Granular or Law Plasticity Soil In Reinforced Fill Zone RETAINING WALL E Sta. 120 to Sta. 168 Viewed From Front Face of Wall q = Design Soil Bearing Pressure (psf) Flow Automotive - 1300 Richmond Road Albemarle County. Virginia irCGoceotechnical// c_Engineering, P.C. 4A No. 021245 Q 3 Scale: H: r"= 10 ft. 5956 Buckland Mill Road Roanoke, Virginia 24019 Phone:(540) 366-2379 Fax: (540) 904-6200 Project No. I RW-2530