HomeMy WebLinkAboutWPO201900026 Plan - Other (not approved) 2019-05-28WALL A
1MNplNG ti
RIVER
LANE
DB 5090 PG 504 '-
�5�,
366
DRAWING INDEX Scale: 1" =100 FT
SITE PLAN 0 50 100
Sheet
1
Site Plan
2
General
Notes/ Design Parameters
3
-4
Details
5
Wall A -
Sta. 0 to 5ta. 184.5
6
Wall B -
Sta. 0 to Sta. 187.5
7
Wall C -
5ta. 0 to Sta. 136
8
Wall D -
Sta. 0 to Sta. 120
9
- 10
Wall E -
Sta. 0 to Sta. 237
11
- 12
Wall F -
Sta. 0 to Sta. 283.5
13
- 14
Wall G -
5ta. 0 to 5ta. 331.5
15
- 16
Wall H -
Sta. 0 to Sta. 366
Anchor Diamond Pro Segmental Retaining Walls
Pantops Corner
Albemarle County, Virginia
Site Plan Adapted From the Grading Plan, Sheet No. C6 of 19, Dated December 7, 2018
(Rev. 6 - 4/12/19), Prepared by 5himp Engineering, P.C.
Site Plan For Illustrative Purpose.
Approx. Scale; 1" = 100 FT
Non -Woven Filter Fabric Over Stone
4" Thick Cap Unit
Secure to Top Unit
w/ Concrete Adhesive
SRW Units I"
12" Thick No. 57 Stone
Drainage Aggregate —
Weephole
Drain to Daylight
@ 40 FT O.C.
Extend Beyond Wall Face
Stone Leveling Pad
6" Thick x 24" Wide
Geogrid Reinforcement (Typical)
Refer to Wall Profile for Geogrid Type,
Geogrid Length (GL) and Location
Reinforced Fill
Granular or Low Plasticity Soil
Compact to Min 95 % Standard
4" Dia. Drain Pipe proctor Density (ASTM D-698)
(See Drain Detail)
TYPICAL RETAINING WALL CROSS SECTION
(Not to Scale)
Straight
Split Face
inn
ANCHOR DIAMOND PRO UNIT
(Not to Scale)
Pantops Corner
,41'AL�x Q�i Albemarle County, Virqinia
(� 5956 Buckland Mill Road
� Geotechnical
MICHAEL R. Engineering, P.C. Roanoke, Virginia 24019
No. 0V2 5 Phone: (540) 366-2379
Scale: As Shown project No. RW-2222
S10NA L Date: 05/28/ 19
Revision: -- Sheet 1 of 16
NERAL 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 PSI 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 (20 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 GRAVEL (VDOT NO. 57 STONE), MEETING THE FOLLOWING
GRADATION AS DETERMINED IN ACCORDANCE WITH ASTM D-422.
SIEVE SIZE PERCENTAGE PASSING
1-112 INCH 100
1 INCH 95-100
112 INCH 25 - 60
NO. 4 0-10
NO. 200 0-5
9.0 GEOGRIDS SHALL BE LAID HORIZONTALLY ON COMPACTED
BACKFILL FOR THE REQUIRED GEOGRID 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 GEOGRIDS 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 CODE (USBC)
14.0
REINFORCED FILL SHALL CONSIST OF GRANULAR SOIL FILL
AND 2015 INTERNATIONAL BUILDING CODE (IBC).
WITH USCS SOIL TYPES GP, GW, GM, GC, SW, SP OR SM
2 THE WALL PROFILES ARE BASED ON THE GRADING PLAN, SHEET NO. C6 OF 19,
WITH A MINIMUM ANGLE OF INTERNAL FRICTION, �' , OF 28 DEGREES
DATED DECEMBER 7, 2018 (REV. 6 - 4/12/19),
AS OUTLINED IN DESIGN PARAMETERS - NOTE 4.
PREPARED BY SHIMP ENGINEERING, P.C.
LOW PLASTICITY CLAYEY SAND (SC), SILT OR CLAY (ML-CL) CAN BE USED
3 WALL DETAILS SHOWN ON THIS PLAN ARE FOR ANCHOR DIAMOND PRO
SUBJECT TO APPROVAL BY THE GEOTECHNICAL ENGINEER.
SEGMENTAL RETAINING WALL (SRW) UNITS MEETING THE NATIONAL
MAXIMUM PARTICLE SHALL BE LIMITED TO 2 INCHES IN DIAMETER.
CONCRETE MASONRY ASSOCIATION (NCMA) CRITERIA FOR SRW WALL SYSTEMS.
THE FINE FRACTION (MINUS NO. 40 SIEVE) SHALL HAVE A MAXIMUM
4 ENGINEERING ANALYSIS BASED ON USE OF STRATAGRID 56200 AND SG350
LIQUID LIMIT (LL) OF 40 AND A MAXIMUM PLASTICITY INDEX (PI)
GEOGRIDS. OTHER COMPATIBLE GEOGRIDS MAY BE SUBSTITUTED WITH
OF 20. THE BACKFILL SHALL BE FREE OF DEBRIS AND ORGANIC MATTER.
THE APPROVAL OF THE WALL DESIGN ENGINEER.
HIGHLY EXPANSIVE SOILS (MH-CH) SHALL NOT BE USED IN THE
5 THE DESIGN OF THE SEGMENTAL RETAINING WALL (SRW)
REINFORCED FILL ZONE.
ASSUMES THE FOLLOWING PARAMETERS:
15.0
REINFORCED FILL SHALL BE PLACED IN 8-INCH LIFTS AND
7,, Moist FRICTION
COMPACTED TO A MINIMUM OF 95 % OF MAXIMUM STANDARD
SOIL SOIL UNIT WEIGHT ANGLE COHESION
PROCTOR DENSITY (ASTM D-698) AND WITHIN ± 3 PERCENTAGE
CONDITIONS Type (PCF) (DEC,) (PSF)
POINTS OF OPTIMUM MOISTURE CONTENT. COMPACTION TESTS SHALL
REINFORCED FILL Granular or Low Plasticity Soil 120 28 0
BE PERFORMED AS THE WALL IS INSTALLED. COMPACTION WITHIN
RETAINED SOIL SC/CL, SM/ML, CH or MH 120 28 0
3 FEET OF THE WALL SHALL BE LIMITED TO HAND -OPERATED EQUIPMENT.
FOUNDATION SOIL SC/CL, SM/ML, CH or MH 120 28 100
16.0
A VIBRATORY PLATE TAMPER SHALL BE USED TO DENSIFY
NO. 57 STONE. COMPACTION TESTS CAN BE WAIVED
6 SOIL STRENGTH PARAMETERS ARE BASED ON USE OF GRANULAR OR LOW
WHERE NO. 57 STONE IS USED AS REINFORCED FILL.
PLASTICITY SOIL IN THE REINFORCED FILL ZONE. ON -SITE GRANULAR
17.0
CONTRACTOR SHALL SLOPE SITE GRADES TO DIRECT SURFACE
OR LOW PLASTICITY SOIL CAN BE REUSED FOR FILL PROVIDED THE SOIL IS
RUNOFF AWAY FROM WALL AT END OF EACH DAY TO AVOID
PLACED IN 8-INCH LIFTS AND EACH LIFT IS COMPACTED TO A MINIMUM OF
WATER DAMAGING THE WALL WHILE UNDER CONSTRUCTION.
95% OF MAX. STANDARD PROCTOR DENSITY, AND WITHIN± 3 PERCENTAGE
18.0
ANY SURFACE DRAINAGE FEATURES, FINISH GRADING, PAVEMENT,
POINTS OF OPTIMUM MOISTURE CONTENT, USING PORTABLE COMPACTION
OR TURF SHALL BE INSTALLED IMMEDIATELY AFTER THE WALL IS
EQUIPMENT.
COMPLETED.
19.0
IF SITE AND SOIL CONDITIONS, WALL GEOMETRY, OR WALL
DO NOT USE HIGH PLASTICITY CLAY (CH-MH), ROOTS OR TOPSOIL IN REINFORCEL
LOADING ARE DIFFERENT THAN THE DRAWINGS AND THE DESIGN
ZONE. ANY SOFT, SATURATED SOIL ENCOUNTERED IN SUBGRADE SHALL BE
PARAMETERS, THE CONTRACTOR MUST CONTACT THE WALL DESIGN
UNDERCUT AND REPLACED WITH CRUSHED STONE TO STABILIZE THE
ENGINEER PRIOR TO PROCEEDING WITH THE CONSTRUCTION OF THE WALL.
FOUNDATION SUBGRADE OR AS DIRECTED BY THE GEOTECHNICAL ENGINEER.
20.0
DETAIL FOR HANDRAIL OR FENCE POSTS AT THE TOP OF THE WALL
IS PROVIDED FOR PLACEMENT OF POSTS. HANDRAIL OR FENCE POSTS
WALL A - MAX. WALL HEIGHT = 16 FEET (INCLUDING EMBEDMENT)
SHALL BE INSTALLED IN SLEEVE -IT FENCE POST SYSTEM DIRECTLY
FRONT SLOPE = LEVEL
BEHIND THE TOP SRW UNITS WITH AN EMBEDMENT DEPTH OF 24 INCHES
BACKSLOPE BEHIND THE WALL = LEVEL
WITH SLEEVE FILLED WITH CONCRETE TO PREVENT TOPPLING
SURCHARGE AT TOP OF WALL (VEHICLE TRAFFIC) = 250 PSF
OF SRW UNITS.
V Setback
7pen Cells
Filled With Stone)
1" Rear Lip
UNIT CONNECTION DETAIL
(Not to Scale)
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 (PSF)
(SEE NOTE ON WALL PROFILES)
Pantops Corner
Albemarle County, Virginia
CIRCEO C H Circea 5956 Buckland nd Mill Mill Road
-4Geotechnical
U I INAEL R. M = Engineering, P.C. Roanoke, Virginia 24019
ft. 011245 � Phone: (540) 366-2379
5�Z�,�J9 Scale: N/A
�$SCpA1. Project No. RW-2222
Date: 05/28/19
Revision: -- Sheet 2 of 16
Cap Unit
Adhere to Top Unit
w/ Concrete Adhesive
SRW Units
Drainage Aggregate
Min 12" No. 57 Stone
Reinforced Fill
Compacted Granular Soi
42" Tall Handrail Post
Center of Post Min 24" Behind Top of Wall,
Max. 8'-0" O.C. Post Spacing
Cap Unit
—Min 8" Dia. Sleeve or Tube Form
Secure to Top Unit Ll Fill Grout Around Post
w/ Concrete Adhesive
Cut Geogrid Around Sleeve
or Tube Form
24" Min /F—Filter Fabric - 4 FT Wide
i t t
t t
MY t
t t
tititititi t t
r.r.r.r., > > 24" Min
i i tirtirtirtirti t t
i i f f f f f t t t
ti ti ti ti 5 t t
i i rtirtirtirtir ttt tt
i i r•r•r•r•r }t} }t
r•r•r•r•
tirtirtirtirtir i Reinforced Fill
tir�r�rtir�r �
ti•ti•ti•ti•ti•
ti•ti•ti•ti•ti•
i i fti fti fti fti fti •
•tir .rti.
i i .fti fti fti fti fti
i i • ti fti fti fti fti fti•
HANDRAIL POST DETAIL
(Not to Scale)
Filter Fabric - 4 FT Wide
Mirafi 140N or Equivalent
A— Geogrid Reinforcement
Retained Soil x
Compact to Min 95
Standard Proctor
r,• ti Storm Drain
r{r• Place Geogrid Under or Over
r•r
rtir Pipe (Min 3" Soil Cover)
ti•ti•
GEOGRID AT STORM DRAIN DETAIL
(Not to Scale)
42" Tall Handrail Post
w/ Sleeve -It Fence Post System,
Max. 8'-0" O.C. Post Spacing
Sleeve -It - 12" Dia. x 24" Depth
Grout Fill After Post Installation
w/ Min 3,000 psi Grout
PVC Coated Strut
PVC Coated Cantilever Base
Ti Soil Cover
Non -Woven Filter Fabric
SLEEVE -IT FENCE POST DETAIL
(Not to Scale)
O
v MICA& R. CIM
No. OV245
�SSrpNAl,
&a__J__J GI] O G.. _..J 11_:1 n__.I.
'op of Wall,
d Layer(s)
GUARDRAIL P05T DETAIL
(Not to Scale)
Pantops Corner
Albemarle County, Virginia
Circeo 5956 Buckland Mill Road
Geotechnical
Engineering, P.C. Roanoke, Virginia 24019
Phone: (540) 366-2379
N/A Pro'ect No. RW-2222
05/28/19
n: -- Sheet 4 of 16
WALL A
W 4LL A 382 _ _
i 42'%'FtA AIL.
380 TOC = 373.67 Dumpster Pad Enclosure Behind Wall A WALLA "� - } " i_ %
Shorten Top 2 Layers TOC = 372.33 TOC = 371.00 �-
378 TOW = 373.33 w/ 42" Tall Handrail / , T Sta. 60 +' l Sta. 30 Sta. 0
TOW = 372.00 TOW = 370.67
376 GL 6FT _ Sta. 90 ;
=
374
r• _ GL=15FT ` _ Q / i�� —2 R
O .. 372 _ ♦ i ' 4!0%
ti 4 GL 15 FT . I I. _ / i r W
v 370 _ GL = 15 FT GL = 12 FT i�� y Sta. 120� V
} O 368 GL=15FT GL=15FT GL=12FT GL=9FT 3 .� �* f ( ' 7
�, -
366 GL 15 FT GL = 15 FT I� GL = 12 FT GL = 9FTIC 4- �I ICE j ' f/
ti 50
_ _ .I GL=12FT W V)'T
Q LJJ 364 ILI
GL = 15 FT GL = 15 FT I
362 GL=15FT GL=15FT GL=9FT i "
BOW = 368.00 /St 1
—� 360 GL = 15 FT GL = 15 FT ��.Y �
BOW- 364.00 dB '
u 358 I GL=12FT n� �n�n �n n�n�n r. ♦I
o I 6" Thick Stone Pro Proposed Grade at Botto o all % _ S�Q♦ �`l
35
P
m fW
2 ao
y� r
6 I GL= 15 FT grow
Leveling Pad BOW 360.00 73 �� i
352 I BOW = 358.67 Drain Pipe to Daylight - 40 FT O.C. (Typical) —; _1
��-
,, i _ ��(( _... )
'°
B5
Sta.180 00 �74
120 130 140 150 153 160 165 170 177 180 184.5 TJI 1 °� -.17530—
Sta. 184.5 I Scale: V = 30 FT
Station (ft)
I GL= 15 FT I GL= 12FT I GL-9FT I
- GL = 6 FT I .-- - '- ENLARGED SITE PLAN 0 15 30
q = 2 250 psf q = 1 750 psf q = 1 250 psf~ . .. ...... - ..._� _
382 GL = 6FT
380
378
376 — —
374 GL = 6 FT —
} 372
4 370
- 368 BOW = 37'4
}
366
d
W 364 BOW
362 "
360
358
356
354 1
I
352
4
I
I
GL=6FT I
I'I = 750 ps �
I
TOC = 377.00 (High Point)
TOW - 376.67
•
.Handrail
MA TOC = 373.67
wr�a
ssa
ma •
• �wr•
sass.
tooIII
MAI film
• • • .
• r ..
NEW
WALL, -PPOVID'Ey OX
LEGEND
o Cap Unit (4" Height)
0 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 SG200
350 Stratagrid 5050
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight
I I I q _ ps
RETAINING WALL A
Sta. 0 to Sta. 184.5
Viewed From Front Face of Wall
q = Design Soil Bearing Pressure (psf)
O M NAE� C q
i#o. ot1245
'li&5/Z8/19
Pantops Corner
Albemarle County, Virginia
Circeo
Geotechnical
Engineering, P.C.
Scale: H: i"= loft.
V: 1"= loft.
Date: 05/28/19
Revision: --
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone: (540) 366-2379
Project No. I RW-2222
Sheet 1 5 of 16
WALL B
�.7
TOC 384.-
TOW=:-
!oil
20 30 40 50 60
GL = 6 FT GL = 7.5 FT
I Station (ft)
q = 750 psf i q = 1,000 psf
WALL
B
402
400
TOC = 3 90.3 3
42" Tall Safety Handrail
398
TOW = 390.00
TOC = 388.33
396
394
GL= 9FT
TOW = 388.00
386.33
GL = 7.5 FT
o
392
GL=6FT
TOW = 386,00 TOC = 385.00
390
TOW = 384.67
..
�
o 388
GL = 6FT
-
-
386
GL = 7.5 FT
GL = 7.5 FT
IT
-
-_
-
-
m
ca
Ill 384
GL = 7.5 FT
GL = 7.5 FT
GL = 6FT
GL = 6 FT _
00
382
-�
380
f 6" Thick Stone"
- �' c
s
}
378
Leveling Pad
BOW = 382.67 _ I w ul
g
376
` --- - - - - - - - ` ` ` Proposed Grade at Bottom of Wall BOW = 382.00
BOW = 383.33
374
' Drain Pipe to Daylight
- 40 FT O.C. (Typical)
'
(Low Point)
372 4'
120 123 130 140 150 159 170 180 187.5
1 I
GL = 9 FT I GL = 7.5 FT Station (ft) 1
1
GL = 6 FT I
q=
I, DUO Ps q= 1,000 psf I
I
q= 750 Ps i
LEGEND
®
Cap Unit (4" Height)
0
Anchor Diamond Pro Units (8" Height x 18" Width)
Leveling Pad (Min. 6" Thick Stone or Min. 3" Lean Concrete)
RETAINING WALL B
TOC
Top of Cap Unit
TOW
Top of Wall (Excluding Cap Unit)
Si•Q 120 t0 Sta. 1$7, cJ
BOW
Bottom of Wall (Including Embedment)
.
200
StrataGrid SG200
Viewed From Front Face of Wall
350
Stratngrid 5050
GL
Geogrid Length (ft) 0 4" Drain Pipe to Daylight
q Design Soil Bearing Pressure (psf)
7
• P.
TOW • 00
•
—;
--Nwm
-A is
--—_
-
----
—
No
��
all
0 79.5 90 100.5
I GL=9FT
I
q = 1,500 psf
go Y
5ta. 60
Sta. 0.`Sta..30
110
120
I
I
90 Sta.100.5
2
'84 F 94
III Match Line 11'
to 120
390
80 $o 50 82 5° l l III n
5
i B3�
Scale: 1" = 30 FT
0 15 30
j Sta.187.5 1
ENLARGED SITE PLAN R -� °° -
�l
164
NAEL Ra
No. N1245
Pantops Corner
Albemarle County, Virginia
CIRCEO GEOTECH
Circeo 5956 Buckland Mill Road
Geotechnical
Engineering, P.C. Roanoke, Virginia 24019
Phone:(540) 366-2379
Scale: H: 1"= loft.
V: i"= loft. Project No. RW-2222
Date: 05/28/19
Revision: -- I Sheet 6 of 16
WALL
C
392
Upper Wall
390 I
TOC = 381.00 42" Tall Safety Handrail
— TOC = 381.67 (High Point)
I
388 TOC = 380.33 +1
_
TOW - 381.33 TOC = 379.00
386 TOW = 380.00 °�' '0
TOW = 380.67
TOW = 378.67
O
.� a GL = 7.5 FT
384
GL = 6FT M
CM
6
}
382
GL = 7.5 FT
N 380
_ —
T
_
GL = 7.5 FT
U
378
GL = 6FT
GL = 7.5 FT
GL = 6FT i
GL = 7.5 FT
_
O
376
GL = 6FT
GL=7.5FT
GL=6FT r U
GL=7.5FT
.I .
3
LU
374
Q
3
L
°
372
6" Thick Stone
BOW = 376.00
j
370
BOW = 375.33
Leveling Pad
w
368
Proposed Grade at Bottom
11
of Wall
BOW = 375.33
366
,,. ,.�����
Drain Pipe to Daylight - 40 FT O.C. (Typical)
�o,�o.�o.�o.�o.�o.�o.�.
BOW = 376.67
364
362
Fol 10 15 20 F 24 30 40 50 60 70 80
90 100
110 118.5 130 136
I
Station (ft)
I I
I GL=6FT I
GL=7.5FT
I GL=6FT I
q = 500 psf I
q = 750 psf
I
q = 500 psf
zo-
k ENLARGED SITE PLAN
I'
110,
Sta.
�6 _, 8 •.. �::_ Sta-b��_, + 90° . y
2 > Sta. 136
- 7`
�. 6
w 6 6 8
Extend Wall D To Tie Into Grade =
-�
i
WALL C
�
w/ 42" Tall Handrail
0
/ `
cod= WALL D
Scale: 1" = 30 FT
p
-;<.'��' No Handrail Required
l 0 15 30
LEGEND
Pantops Corner
gyp. N Q�
Albemarle County, Virginia
o
0
Cap Unit (4" Height)
Anchor Diamond Pro Units (8" Height x 18" Width)
4r
.. ,�
C ircea
Geotechnical
CIRCEO GEOTECH
5956 Buckland Mill Road
Leveling Pad (Min. 6" Thick Stone or Min. 3" Lean Concrete)
RETAINING WALL C
MICHA£L R. CIR
= Engineering, P.C.
Roanoke, Virginia 24019
TOC
Top of Cap Unit
V
No. 011245
Phone: (540) 366-2379
TOW
Top of Wall (Excluding Cap Unit)
Sta 0 t0 Sta 136
_
�O /
Scale:
H' i°= loft.
BOW Bottom of Wall (Including Embedment)
. .
�! ze'l/q
V: 1"= 10 ft.
200
StrataGrid SG200
Viewed From Front Face of Wall
Cs
S'�N�!"
Project No. RW-2222
Date:
05/28/19
350 Stratngrid SG350
GL
Geogrid Length (ft) O 4" Drain Pipe to Daylight
q =Design Soil Bearing Pressure (psf)
Revision:
--
Sheet 7 of 16
WALL D 386
Lower Wall 384
382
380
378
..
376
O
I
374
Q
+' o
372
370 +
LU
368 I
366
3
364
4-
I
L
}
362 I
N
360
358
356 I
I
I
I
10.5 20 24 30 40 50 60
I Station (ft)
GL = 10.5 FT I
I GL = 12 FT
q = 1,250 psf q = 1,500 psf
LEGEND
®
Cap Unit (4" Height)
0
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 SG200
— 350 —
Stratagrid SG350
GL
Geogrid Length (ft) 0 4" Drain Pipe to Daylight
RETAINING WALL IN 10 HIMAri s. P►M
fto- 011245
Sta . 0 to Sta . 120 �0 5��/�
Viewed From Front Face of Wall SIpNAI
q = Design Soil Bearing Pressure (psf)
TOC = 376.33
TOW = 376.00
110 120
I
GL = 10.5 FT
q = 1,250 psf
ENLARGED SITE PLAN
Scale: 1" = 30 FT
0 15 30
Pantops Corner
Albemarle County, Virginia
CIRCEO GEOTECH
Circeo 5956 Buckland Mill Road
Geotechnical
Engineering, P.C. Roanoke, Virginia 24019
Phone: (540) 366-2379
Scale: H: 1"= loft.
V: V= 10 ft. Project No. RW-2222
Date: 05/28/19
Revision: -- I Sheet 8 of 16
WALL E 406
404
—77 TOC = 394.33 (HP)
402 TOC = 392.33 TOC = 393.00 42" Tall Safety Handrail TOC - 393.00 TOC = 393.67 TOW = 394.00
400 TOW 392.00 TOW = 392.67 TOW - 392.67 TOW = 393.33 R" Eton
= -
398 O
N
O 396 '-
6 394
392 - - - - - - - GL = 9FT
i GL=6FT : GL=7.5FT �I� GL=9FT GL=9FT -
LJJ 390 _ GL - 9FT — — W
`— GL=T5FT• GL=9FT GL=9FT GL=9FT
388 . . 6FT
C GL=9FT _
3 386 GL = _ ' GL = 9FT GL = 9FT �
GL=9FT
i 3$4 u GL = 7.5 FT u
BOW = 388.00
382
380 BOW := 390.00 Proposed Grade at Bottom of Wall - BOW = 384.00 6" Thick Stone
BOW =386.00 ....,,,,,,,,,,,,,,,,,,,,,,, Leveling Pad —BOW =386.00
378
-- --- --- --- --- - Drain Pipe to Daylight - 40 FT O.C. (Typical) (Low Point)
376 I
I I I i
0 10 18 31.5 40 50 60 70 80 90 100 110 120
GL=6FT _I GL=7.5FT I GL=9FT _
q = 750 psf I q = 1,000 psf I q = 1,250 psf
w PRO SEGME TAL BLOICK WALLS ti
s o 200 OR EQUIVAL NT. PRo OSED �` ENLARGED SITE PLAN
co
COLOR IS AMES RIVtR STONE".
z� 8 i F i L4
X ao
3 I ` 1 r.._ .._. ,
'� sy is ta. 30 ;... _. y
�4 .�
7
LU
Io
1 Ste. 60 h / ` J.
x 7' SEGMENTAL BLOCK
I— _ RET. WALL. PRO 4 _ - ! �9.4
_ Ste. 90 `
Ste. 120
WALL F _
Ste. 5ta.237
-imam.,.._.
• Scale: 1" 30 FT
w/ 42" Tall Handrail CP-
- 0 15 30
Pantops Corner
LEGEND�p.N Albemarle County, Virginia
o Cap Unit (4" Height) CIRCEO GEOTECH
0 Anchor Diamond Pro Units (8" Height x 18" Width) Circeo 5956 Buckland Mill Road
�. Geotechnical
Leveling Pad (Min. 6" Thick Stone or Min. 3" Lean Concrete) = Engineering, P.C. Roanoke, Virginia 24019
RETAINING WALL E ° MICNAEL A.
TOC Top of Cap Unit U *0 flti24S Phone: (540) 366-2379
TOW Top of Wall (Excluding Cap Unit) q _
StQ
BOW Bottom of Wall (Including Embedment) . to Sta. 12� ?�0
, ���� Scale: H: 1°= loft.
200 StrataGrid SG200 Viewed From Front Face of Wall f NAL, V: 1"= 10 ft. Project No. RW-2222
350 Stratagrid 5G350 Date: 05/28/19
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight q = Design Soil Bearing Pressure (psf) Revision: -- Sheet 9 of 16
WALL E 406
404 TOC = 394.33 (High Point) 42" Tall Safety Handrail TOC = 394.33 (High Point) 402 TOW = 394.00 TOW 394.00
- -
400
398 '
O 396 W
`-' 394 _ M
N
- GL = 9 FT - - r - - - GL = 7.5 FT - - - - r - - GL = 6FT - - - - GL = 6FT
392 --- — -- — -- — — ---- --
GL=9FT T GL=7.5FT � ��� GL=6FT -0 4-
390 to
.� - - - GL=9FT �1 GL=7.5FT W
Lu 388 I
GL=9FT
N
386 6" Thick Stone BOW = 392.00
s 384 Leveling Pad BOW = 390.00
0 382 BOW = 388.00 ,
380 Proposed Grade at Bottom of Wall
378 f BOW = 386.00
Drain Pipe to Daylight - 40 FT O.C. (Typical)
376 I
I
120 130 136.5 40 150 160 170 1441
180 190 200 210 220 230 237
I
I I I I
GL=9FT I GL=7.5FT I GL=6FT
I
q = 1,250 psf I q = 1,000 psf I q = 750 psf
LEGEND Pantops Corner
Albemarle County, Virginia
® Cap Unit (4" Height)
r CIRCEO GEOTECH
0 Anchor Diamond Pro Units (8" Height x 18" Width) CGeot5956 Buckland Mill Road
ircc
echnical
..
Leveling Pad (Min. 6" Thick Stone or Min. 3" Lean Concrete) = Engineering, P.C. Roanoke, Virginia 24019
roc Top of Cap Unit RETAINING WALL E MINAEL R. C1R Phone: (540) 366-2379
TOW Top of Wall (Excluding Cap Unit) NO. W1245
237 � 120 to Sta. l/�9
BOW Bottom of Wall (Including Embedment) Sta. � H: 1"= loft.
200 StrataGrid SG200 Viewed From Front Face of Wall F Scale: V: 1"= 10 ft. Project No. RW-2222
350 Stratagrid 5050 1ONAL Date: 05/28/19
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight q = Design Soil Bearing Pressure (psf) Revision: -- I Sheet 10 of 16
WALL F
Upper Wall
O
c
v)
i
u-
}
i
Ci
}
Drain To Daylight
@ End of Wall
426
424
422
420
418
.. 416
+-
414
0 412
j 410
or
LU
406
404
402
400
398
396
10 18
� I
GL=6FT I
q = 750 psf I
5' T Mk G�ADING, ESMT
D 4553 f'� -,,473--4�6
LEGEND
Cap Unit (4" Height)
0 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 SG200
350 Stratagrid 5050
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight
30
GL = 7.5 FT
q = 1,000 psf
3XT
40 45 50 60
Station (ft)
i
I
(3) 6' SEGMENTAL
BLOCK RET. WALLS.
70 80 90
RETAINING WALL F ° MIMAri 0 lPiDN
No. 011245
Sta . 0 to Sta . 120 �a 51zz/1 9
Viewed From Front Face of Wall SS�ONAL.
q = Design Soil Bearing Pressure (psf)
GL=9FT
q = 1,250 psf
NIA
D
100 110
" Scale: V = 30 FT
ti
\ + 0 15 30
Pantops Corner
Albemarle County, Virginia
CIRCEO GEOTECH
Circeo 5956 Buckland Mill Road
Geotechnical
Engineering, P.C. Roanoke, Virginia 24019
Phone: (540) 366-2379
Scale: H: 1"= loft.
V: V= 10 ft. Project No. RW-2222
Date: 05/28/19
Revision: -- I Sheet 11 of 16
WALL F
Upper Wall
G1
426
424
422
420
418
.. 416
}.
414
0 412
}
j 410
or
LU 408
406
404
402
400
398
396
120
I
I
I_
lh Point)
130 140 150 160 170 180 190 200 210 220 230 240
Station (ft) 1
I
GL=9FT
q = 1,250 psf '
0
N
ci
N
LL
W
J
S
U
0
C0
WALL F 426 — 42" Tall Safety Handrail
Upper Wall 424 TOC = 416.33 (High Point)
422 TOW = 416.00 J/ TOC = 414.33
420 GL = 7.5 FT
TOW = 414.00
418
N} 416 — --- -- -- == LL. LO
414 00
GL=9FT _ M
412 GL=7.5FT j
O GL=9FT ' N
0 410 GL=9FT }
!i � j 408 W I
N
GL = 7.5 FT
406 6" Thick Stone 1 ROW = 411.33
—� 404 BOW = 410.00
I Leveling Pad
402 1 Proposed Grade at Bottom of Wall
::E 400 1 409.33 rv�v�v�v�v�v�v�v
398 1 Drain Pipe to Daylight - 40 FT O.C. (Typical)
396
�240 250 260 LT01
280 283.5
i Station (ft) 1 I
GL=9FT GL=7.5FT
q = 1,250 psf I q = 1,000 psf
LEGEND Pantops Corner
Albemarle County, Virginia
® Cap Unit (4" Height)
r CIRCEO GEOTECH
0 Anchor Diamond Pro Units (8" Height x 18" Width) rceo CGeotechnical 5956 Buckland Mill Road
..
Leveling Pad (Min. 6" Thick Stone or Min. 3" Lean Concrete) = Engineering, P.C. Roanoke, Virginia 24019
TOC Top of Cap Unit RETAINING WALL F O MINAEL R. C1R Phone: (540) 366-2379
TOW Top of Wall (Excluding Cap Unit) No. W1245
5 283 120 to Sta. .l
BOW Bottom of Wall (Including Embedment) Sta. H: 1"= loft.
200 StrataGrid SG200 Viewed From Front Face of Wall F Scale: V: 1"= 10 ft. Project No. RW-2222
350 Stratagrid 5050 1ONAL Date: 05/28/19
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight q = Design Soil Bearing Pressure (psf) I Revision: I -- I Sheet 12 of 16
WALL G
Middle Wall
W
0
}
0
Drain To Daylight
@ End of Wall
420
418
416
414
ul fF
.-. 410
-
408
0 406
404
d
w 44000o2
398
396
394
392
390
I
' GL=7.5FT
Iod
q = 1,000 psf
GL = 10.5 FT
q = 1,500 psf
1 �
` 15' T M G)�ADIN0, ESMT �I
I D y 4553 P�,,473-4�6 �`'Q iN
60
Station (ft)
GL = 13.5 FT
q = 2,000 psf
N
(3) 6' SEGMENTAL I
BLOCK RET. WALLS. �t1 APPROX.
UTILITY ES�
TOC = 410.00 (High Point)
TOW = 410.00
BOW = 402.67
y . _..I.-.rl
?CATI N 17 1 '' l �� III; I
EO EPCO
61 &/
Mew
will
■
a
WALL F
_�-=--
Sta. 30 -�
— — 42"
a I
\ i `—
_
w/ Tall Handrail\/
\
\`-` \`
WALL G
w/ 42" Tall Handrail @ Each End
N \'
{
G0
WALL H \ J Scale: 1" = 30 FT
ENLARGED SITE PLAN " w/ 42" Tall Handrail @Each End �� \
\ � � � � \ � 0 15 30
LEGEND
o Cap Unit (4" Height)
0 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 SG200
350 Stratagrid 5050
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight
RETAINING WALL G
Sta . 0 to Sta . 120
Viewed From Front Face of Wall
q = Design Soil Bearing Pressure (psf)
o M�� C�t�
Mo. Oti24$
Pantops Corner
Albemarle County Virginia
Circea
Geotechnical
Engineering, P.C.
Scale: H: 1"= 10 ft.
V: 1"= 10 ft.
CIRCEO GEOTECH
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone:(540) 366-2379
Project No
Revision: I -- 1 5
RW-2222
3
WALL G
Middle Wall
C
------------------------------------------------------------------------------------------------------
• �_!_ � !_�_!_�_!_�_!_�_!_��ii—ii—i� Y—ii—i� 1—ii—i� �lil-i—`--ri—��i—r - r
NINE
sass sass
Propo
brain Pipe to Daylight - 40 FT O.C. (Typical)
WALL
G
420-
Middle Wall 418
TOC = 410.00 (High Point)
416
TOW =410.00
F
414---
412
O
C N .. 410
F 4- 40$
GL = 13.5 FT
V) O 406
GL = 13.5 FT
(V j 404
GL - 13i5 FT
Uj 402
N
400
6" Thick Stone
} 398
Leveling Pad
396
394
BOW = 403.33
392
nn,n,n
390
5240
I
I
250 260
I
LEGEND
o
Cap Unit (4" Height)
0
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 SG200
350
Stratagrid 5050
GL
Geogrid Length (ft)
0 4" Drain Pipe to Daylight
•••,Ml�.���
1111011110imi-61-=13
-------ii---0�+
�� �•
�`ii.-iii■Yi�i�rliiM� ■iiiYli� � r ✓sass.
�!�!�-.�l�.�l��! � sass•
�l—w—w•�r■.�-�.w■. �� rams.
i�iiaiii�Yi�iir•ii�V _ � �
■ mas•
BOW= 404.00
Proposed Grade at Bottom of Wall
RETAINING WALL G 0 10ulm&ci s. It�
No. KM
Sta. 120 to Sta. 331.5 51��9
O
Viewed From Front Face of Wall ,NAh
q = Design Soil Bearing Pressure (psf)
Circeo
Geotechnical
Engineering, P.C.
Scale: H: i"= 10 ft.
V: 1"= loft.
Revision:
Pantops Corner
Albemarle County, Virginia
CIRCEO GEOTECH
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone:(540) 366-2379
Project No. I RW-2222
-- 1 5
WALL H
Lower Wall
F
0
1
2
C,
}
L
C
}
N
Drain To Daylight
@ End of Wall
414
412
410
408
406
} 404
4 402
0 400
}
j 398
w 396
394
—392
390
388
386
384
42" Tall Safety Handrail —TOC
TOC = 402.33 TOV
TOC = 400.33 TOW = 402.00
TOC = 396.33 TOW = 400.00
F TOW = 396.00 1[[I I T� / � I
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12 20 24 30 40
I I I
I
GL=7.5FT GL= 10.5FT I GL= 13.5FT
52.5 60 70
Station (ft)
I
80 90
GL= 16.5FT
100
110
1 q = 1,000 psf 1 q = 1,500 psf q = 2,000 psf
q = 2,500 psf
1
1 4 1 \
GRflINO`�ESMT \ I
(3) 6' SEGMENTAL
�
N 17'
-
1 I I D 4553 PGA \473-6
_ R
BLOCK RET. WALLS. 3 I d
I+-
APPROX. OCATI
UTILITY ES FO
EPCO
un —
—
�1
St 366
- Sta. 3 0 �Sta. 360 a
_ 995ta.270 Sta. _ _ JOX
Sta. _90 Sta. 120' =� _ Sta. �50 5ta. 180 - - - 5ta. 210 --_ 5ta., 240 : _ _ _ _ _ — _ _ _
Sta. 0 5ta. 3Q eta. 60 — _ _ _ - f ~_ ��—t { -� �_ — ` i
._ WALL F4101
■=_ _ I — _— — — —4 w/ 42" Tall Handrail \ )rz \ a
L , 1 \ WALL G `� f
\ \ \ \ l 1 w/ 42" Tall Handrail @ Each End
i
WALL h , �\ � ..
I I \ 1 i A)q
ENLARGED SITE PLAN 1 w/ 42" Tall Handrail @ Each End
LEGEND
o Cap Unit (4" Height)
0 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 SG200
350 Stratagrid 5050
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight
RETAINING WALL H
Sta . 0 to Sta . 120
Viewed From Front Face of Wall
q = Design Soil Bearing Pressure (psf)
C) MI R R.
NO. SKIM
120
I
I
= 403.67
/ = 403.33
0
N_
O
Ei
Scale: 1" = 30 FT
0 15 30
Pantops Corner
Albemarle County Virginia
Circeo
Geotechnical
Engineering, P.C.
Scale: H: i"= 10 ft.
V: 1"= loft.
CIRCEO GEOTECH
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone:(540) 366-2379
Project No
Revision: I -- 1 5
RW-2222
5
WALL H
Lower Wall
i=
WALL H
Lower Wall
G
414
412
410
408
406
} 404
4 402
0 400
O
� 398
W 396
394
392
390
388
386
384
• ' 0'
�w�w�ww�w�w�wr�w�ww�w�w�rr
TOC
I�w
,■
• 403.67
• .�. ��
• '�' 11
I�
• 'IC CC
�
III
--
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rli
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rr
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—
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��wr..�■rwr�..��w
GIL
ww�w�w
w■
w
ww�www_w
w�
■�5305
BOW = 395.33
6" Thick Stone
�............................. 6 6 39.7
BOW = 396.00 ;Leveling Pad BOW =
rw rw rw rw rw rw rw rw rw rw Proposed Grade at Bottom of Wall
rw rw
Drain Pipe to Daylight - 40 FT O.C. (Typical)
BOW = 397.33
120 130 140 150 160 170 180 190 200 210 220 230 240
I I
I Station (ft) I
GL = 16.5 FT
q = 2,500 psf
E
418 42" Tall Safety Handrail
_
416
TOC = 408.33 (HP) TOC = 406.33
TOC = 406.33 TOW = 408.00
•
•
ww�
r��w�w�w�w�r��w�w�w�w
•
-�w•�
•
1'r
II■1■1■1■1■II■1■1.1■1
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WINE
. •
—
— -
—WllQ
�1■■��
�
—
'
NEI
Iml
i'
--M'
I ��ilirii
I I I f
ili �iiiriifrliiir
r�■iiirir
I
sssa.
asa
' • ' 1 1
. •
' • = 398.00
/ • / •
' • 11 / 1
brain Pipe to Daylight
- 40 FT O.C. (Typical)
Pantops
EFOPE"�41 W�
Albemarle County, Virginia
o Cap Unit (4" Height)
0 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 SG200
350 Stratagrid 5050
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight
RETAINING WALL H
Sta. 120 to Sta. 366
Viewed From Front Face of Wall
q = Design Soil Bearing Pressure l psf)
o trli�
No. 011245
�o 5-1�/19
�Fm
Circeo
Geotechnical
Engineering, P.C.
Scale: H: 1"= loft.
IV: 1"= loft.
Date: 05/28/1!
Revision:
I
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone:(540) 366-2379
Project No. RW-2222
Sheet 1 16 of 16