HomeMy WebLinkAboutSDP202200045 Plan - Revision 2022-12-20WALL o
DRAWING INDEX
Sheet
1 Site Plan
2 General Notes/ Design Parameters
3-5 Details
6-8 Wall A - Sta. 0 to 5ta. 374
9 Wall B - Sta. 0 to Sta. 27
SITE PLAN
N
42" Tall Safety Handrail or Fence Non -Woven Filter Fabric
w/ Sleeve -It SDI Fence -Post Anchoring System Mirofi 140N or Equivalent
Geogrid Reinforcement (Typical)
Cap Unit Refer to Wall Profile for Geogrid Type,
Secure to Top Unit Geogrid Length (GL) and Location
E w/ Concrete Adhesive
Scale: I" = 60 FT
0 30 60
Anchor Diamond Pro Segmental Retaining Walls
Town Place Inn & Suites Sm Pantops
Albemarle County, Virginia
Site Plan Adapted From The Overall Grading and Drainage Plan, Sheet No. 5.0,
Dated October 3, 2022, Prepared By Timmons Group.
Site Plan For Illustrative Purpose. Approx. Scale: 1" = 60 FT
Anchor Diamond Pro Units
Drainage Aggregate
Min 12" Thick
VDOT No. 57 Stone
24" Vertical Spacing (Typ.)
Weephole w/Wall Drain Pro
Daylight Pipe
Retained Soil
Through Wall
40' OC Spacing (TYp.) — — — — — — —
Reinforced Fill
4" Dia. Drain Pipe All VDOT No. 57 Stone
Compacted Batkfill — (See Drain Detail) In Reinforced Fill Zone.
Stone leveling Pad .�,��C,nA. GL Use Vibratory Plate Tamper
Crushed Stone or Wide �z `�""
and
6" Min Thick x 24" Wide See Wall Profile
TYPICAL RETAINING WALL CROSS SECTION
(Not to Scale)
t 12-1/2" i
-----------------
0 0 12"
Rear Lip
18 — 1" Setback
8-1/l2" 8"
/ 1
Straight
Split Face
ANCHOR DIAMOND PRO UNIT
(Not to Scale)
Towne
TFI r . .lam___
eo
,� � Geotechnical
;HAEL . IRCEO y S Engineering, P.C.
Lic. No. 021245 a /I
Scale: 1" = 20 FT
NAL Date: 12/10/22
Revision: I --
Inn At Suites
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone:(540) 366-2379
Project No. I RW-2892
NOTES:
DESIGN PARAMETERS:
1.0
STRIP VEGETATIVE AND ORGANIC SOIL FROM THE WALL
14.0 REINFORCED FILL SHALL CONSIST OF ALL CRUSHED STONE
AND GEOGRID ALIGNMENT.
(VDOT NO. 57 STONE) MEETING THE FOLLOWING GRADATION,
2.0
BENCH CUT ALL EXCAVATED SLOPES.
AS DETERMINED IN ACCORDANCE WITH ASTM D-422.
3.0
DO NOT EXCAVATE BEYOND EXCAVATION LINES SHOWN
ON PLAN UNLESS DIRECTED BY THE GEOTECHNICAL
SIEVE SIZE PERCENTAGE PASSING
ENGINEER TO REMOVE UNSUITABLE SOIL.
1-1/2 INCH 100
4.0
CONTRACTOR SHALL ENSURE TEMPORARY EXCAVATIONS ARE STABLE
1 INCH 95-100
AND PROVIDE EXCAVATION SUPPORT IF NEEDED.
112 INCH 25 - 60
5.0
GEOTECHNICAL ENGINEER SHALL VERIFY FOUNDATION
NO.4 0-10
SOILS AS BEING COMPETENT PER THE DESIGN PARAMETERS.
NO. 8 0-5
6.0
LEVELING PAD SHALL CONSIST OF COMPACTED SAND, GRAVEL,
OR COMBINATION AND SHALL BE A MINIMUM 6-INCH THICK
15.0 A VIBRATORY PLATE TAMPER SHALL BE USED TO DEN5IFY
LAYER WITH A MINIMUM WIDTH OF 24 INCHES.
NO. 57 STONE. COMPACTION TESTS CAN BE WAIVED
WHERE NO. 57 STONE IS USED AS REINFORCED FILL.
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 GRAVEL (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 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 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.
16.0 ALL OTHER ENGINEERED FILL SHALL BE PLACED IN 8-INCH LIFTS
AND COMPACTED TO A MINIMUM OF 95% OF MAXIMUM STANDARD
PROCTOR DENSITY (A5TM D-698). COMPACTION TESTS SHALL
BE PERFORMED AS THE WALL IS INSTALLED. COMPACTION
WITHIN 3 FEET OF THE WALL SHALL BE LIMITED TO HAND -
OPERATED EQUIPMENT.
1 BUILDING CODES: 2018 VIRGINIA UNIFORM STATEWIDE BUILDING CODE (USBC)
AND 2018 INTERNATIONAL BUILDING CODE (IBC).
2 THE WALL PROFILES ARE BASED ON THE OVERALL GRADING AND GRADING PLAN,
SHEET NO. 5.0, OCTOBER 3, 2022, PREPARED BY TIMMONS GROUP.
3 WALL DETAILS SHOWN ON THIS PLAN ARE FOR ANCHOR DIAMOND PRO
SEGMENTAL RETAINING WALL (5RW) UNITS MEETING THE NATIONAL
CONCRETE MASONRY ASSOCIATION (NCMA) CRITERIA FOR SRW WALL SYSTEMS.
4 ENGINEERING ANALYSIS BASED ON USE OF STRATAGRID 5GU60 GEOGRIDS.
OTHER COMPATIBLE GEOGRID5 MAY BE SUBSTITUTED WITH THE APPROVAL
OF THE WALL DESIGN ENGINEER.
5 THE DESIGN OF THE SEGMENTAL RETAINING WALL (SRW)
ASSUMES THE FOLLOWING PARAMETERS:
Ym, Moist
FRICTION
SOIL
SOIL UNIT WEIGHT
ANGLE
COHESION
CONDITIONS
Type (PCF)
(DEG)
(PSF)
REINFORCED FILL
VDOT No. 57 Stone 110
42
0
RETAINED SOIL
5C/CL, SM/ML, CH or MH 120
28
0
FOUNDATION SOIL
5C/CL, SM/ML, CH or MH 120
28
100
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 POSTS AT THE TOP OF THE WALL IS PROVIDED
FOR PLACEMENT OF P05TS BEHIND THE WALL.
1" Setba6
7pen Cells
Filled With Stone)
1" Rear Lip
UNIT CONNECTION DETAIL
(Not to Scale)
6 SOIL STRENGTH PARAMETERS ARE BASED ON USE OF ALL CRUSHED STONE
(VDOT NO. 57 STONE, NO. 21A OR SIMILAR) IN THE REINFORCED ZONE.
A VIBRATORY PLATE TAMPER SHALL BE USED TO DEN5IFY THE STONE.
DO NOT USE HIGH PLASTICITY CLAY (CH-MH), ROOTS OR TOPSOIL IN REINFC
ZONE. ANY SOFT, SATURATED SOIL ENCOUNTERED IN 5UBGRADE SHALL BE
UNDERCUT AND REPLACED WITH CRUSHED STONE TO STABILIZE THE
FOUNDATION 5UB6RADE OR AS DIRECTED BY THE GEOTECHNICAL ENGINEER.
WALL A - MAX. WALL HEIGHT = 8 FEET (INCLUDING EMBEDMENT)
WALL B - MAX. WALL HEIGHT = 6 FEET (INCLUDING EMBEDMENT)
FRONT SLOPE = LEVEL
BACKSLOPE BEHIND THE WALL = LEVEL TO MAX 2H:IV, STEP WITH GRADE
VEHICLE SURCHARGE AT TOP OF WALL (PARKING LOT) = 100 PSF
MIN FACTOR OF SAFETY (SLIDING) = 1.5
MIN FACTOR OF SAFETY (OVERTURNING) = 2.0
MIN FACTOR OF SAFETY (BEARING CAPACITY) = 2.0
DESIGN SOIL BEARING PRESSURE = 1,500 PSF
(SEE NOTE ON WALL PROFILES)
I owne Place
Albemarle C<
v = Circeo
IRC
Geotechnical
Lic. N 245 y Engineering, P.0
Lic. No. 021245 � �
G�� Scale: N/A
yss�ONAL 0� Date: 12/10/22
Revision: --
nia
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone:(540) 366-2379
Project No. I RW-2892
VEHICULAR GUARD POST THROUGH GEOGRID DETAIL
(Not to Scale)
Filter Fabric
VDOT No. 57 Stone
i--
D/001/001/00
5RW Unit
Ex. Structure At Abutment, Alternate Full Unit
with Half Unit Every Other Course.
Do Not Attach to Structure.
WALL ABUTMENT DETAIL
(Not to Scale)
Sleeve -It SDI
Fence -Post Anchor System
42" Tall Fence or Handrail Post
-Sleeve-It SDI Fence -Post
Anchor System - Top Dia. 7.4"
Grout Fill After Post Installation
w/ Min 3.000 asi Grout
- Bottom Dia. 9.4"
Filter Fabric - 4 FT Wide
Mirofi 140N or Equivalent
I,
rCantilever Base 30.61 x 15.3II W
12" Soil Cover
I I <
I I 2 3.4"
� �rLJ'•ft•LrT•l�rR•I:�JTr�
II I � �••f1%Lf�f1f'.f�?1r'.f�?1fLfti11
- 30.6"
Reinforced Fill
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SLEEVE -IT FENCE POST DETAIL
(Not to Scale) Optional
Min 24"
To Back of Curb
Cap Unit
Secure to Top Unit
w/ Concrete Adhesive
28"'
I I
24
I I
I
, I
I I
Standard GR-2 Guardrail Post
Behind Curb w/ Concrete Thrust Block
Max. 6'-3" O.C. Post Spacing
12" Thick Concrete (3,000 psi A/E)
Between Top SRW Unit and Back of Curb
w/ Four (4) No. 4 Reber (Grade 60, Cont.)
Top and Bottom, Min 2" Edge Concrete Cover
1/2" Thick Expansion Soint Material
Each Face
� rz
4'-8"Min
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Cut IoR Geogrid of Each Post Prior to Driving
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Drive Post Through Geo rid Layer(s)
GUARDRAIL POST
DETAIL
(Not to Scale)
Towne Place Inn & Suites
Circeo
Ge otechnical al5956 Buckland Mill Road
;HAEL . IRCEO y s Engineering, P.C. Roanoke, Virginia 24019
Lic. No. 021245 a Phone: (540) 366-2379
Scale: N/A
G Project No. RW-2892'
ps�pxAL �� Date: 12/10/22 ProJ
�� Revision: -- Sheet 4 of 9
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\\ Sta. 360 dO�y °SL
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t _tip ti Sta. 40 t —Sta. 220�` `�� Scale: 1 20 FT
°= Sta. 60 — Sta. 80—$ta. 100 2
t�z_dl\_,__ �� —$ta. 120 �t m Sta. 140 Sta. 160 —
0�'zzbNUJ a Sta. 180 — $ta. 200 $ta. 205 j `
o io zo
t K vzv - <i j __ �p TH Op Towne Place Inn Suites
t =T �1 L Albemarle County, Virginia
dc1N O� fP CIRCEO GEOTECH
k Circeo
5956 Buckland Mill Road
ICHAEL . IRCEOy Geotechnical Roanoke, Virginia 24019
- Engineering,
U
c. N . 0212aPhone 66-2379
C.
Li o 6 � (540) 3
-- t A a
WALLA =_� �-- _ _ _ ;" �o /2�/o�2Z �w
��"'- --- - = ♦ Scale: V. = 20 FT
wl42"TallPedestrianGuard "-'------= -�-_�"'==`-~ - �S J
=�'= --' - sI ti�G Date: 12/10/22 Project No. RW-2892
ENLARGED SITE PLAN ONAL Revision: -- Sheet 6 of 9
WALL A436
434
432
TOC = 421.67 — 430
TOW - 421.33 a
42" Tall Pedestrian Guard
TOC = 427.00 (High Point)
TOW = 426.67
1n
cr+
TOC = 426.33
TOW = 426,00
TOC = 426.33
TOW = 426.00
TOC = 424.33
TOW = 424.00
TOC = 422.33
TOW = 422.00
o } 426
-
- --
-
6L=7.5 FT
6L=6FT
--
- -
- ----
6L=4.5 FT
-
- -
-
N •�.. 424
o 422
----
6L=6FT
V7
,
I
___
6L=7.5 FT
6L=7.5 FT
c 420
�
W
___
6L=7.5 FT
GL=7.5 FT
6L=7.5 FT
Q -7.5FT
6L=4.5 FT
BOW = 424.00
Q
°
GL=7.5 FT
N
Q W 416 GL=T5 FT
y 416 I GL=6FT BOW =422.00
_l 414 W
6" Thick Stone — BOW = 420.00
V 412 I 6L=75 FT 1
} I g BOW = 418.00
Leveling Pad
o BOW=416.00 I
410 I 1 18" Dia. HDPE Storm Drain
408 I I BOW = 414.00 Drain Pipe to Daylight - 40 FT O.C.(Typical
Proposed Grade at Bottom of Wall P)
406
�240 243 250 260 270 280 290 300 310 320 330 340 350 360 363 370 373.5
I I
Station (ft) I I I
I
I I I
6L=7.5FT No as 6L=6FT GL=4.5FT1
I I I
LEGEND
Use All VDOT No. 57 Stone
In Reinforced Fill Zone
RETAINING WALL A
Sta. 240 to Sta. 373.5
Viewed From Front Face of Wall
[Design Soil Bearing Pressure = 1,500 psfI
pLTH OFG
Qt� r,P
�` C
O ICHAEL IRCE y
U
A Lic. No. 021245,�
�O� %2/�D/2Z �tp
�b G�
ss�ONAL
Towne Place Inn & Suites
Albemarle County, Virginia
® Cap Unit (4" Height)
Anchor Diamond Pro Units 8" Height x 18" Width
0 ( g )
Leveling Pad (Min. 6" Thick x 24" Crushed Stone)
TOC Top of Cap Unit
TOW Top of Wall (Excluding Cap Unit)
BOW Bottom of Wall (Including Embedment)
60 StratoGrid SGU60
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight
Circeo
_
Geotechnical
tw Engineering, P.C.
`
I
CIRCEO GEOTECH
5956 Buckland Mill Road
Roanoke, Virginia 24019
Phone: 540) 366-2379
(
Scale:
H: 1"= 10 ft.
Project No. RW-2892
J
I
V: 1"= 10 ft.
Date:
12/10/22
Revision: I
--
Sheet 8 of 9
WALL B Stabilized Aggregate TOC = 436.33 (High Point)
440 I „ TOW7436.00 42" Tall Pedestrian Guard
TOC =434.33 L=2'-6"
TOC = 433.00 — TOW = 434.00 TOC = 434.33
a3a TOW = 434.00
�K Ilk TOW = 432.67
TOC = 433.00
0 4
c $I I TOW = 432.67
ci
0 434
L=2'-6,
m
O
lL 432 I C N
3 6L-4 FT L 2 -6 L-2 -b" 6L=4FT
e 430 !Lu
N
6" Thick Stone I I
428 —
Drain Pi a to a li ht D
I P Y9
1 Leveling Pad — I
1 BOW = 430.00 — Proposed Grade at Bottom of Wall I BOW = 430.00 (Low Point)
a26 �
�o 10 16.5 zo za 2i Drain Daylight
@End of Wall
I Station (ft) I I
6L=4FT
I I L= 2'-6" FT I I
It GL = 4 FT it �1� ■ I�
I Stabilized Aggregate I I
- Ml---fir`
Residual Soil Back of Excavation.,..9600 _
V 1�H IIVM _
03SS32id30 ONINIVl38 / <
�Eb 0' ££b .4:p 1HJ13H , w
Stabilized Aggregate JNINlV132PXV11
:OQ9£bML Stabilized Aggregate '� ✓�
$ 4" Dia. Perforated Drain Pipe w/ Filter Sock _ EEa `~ONOO /
a w Sta. 16.5
e + 12" x 12" Thick VDOT No. 57 Stone Around Drain Pipe Only
.y --bEE
- ---s'oeb Sta. 27 : saoeb
I ' Alc
01 E4 01
_ � WALL B
` TOM, Ol ,00'OE
w/ 42" Tall Pedestrian Guard ££r Ol ,80'0£b 11
4" Dia. SRW Unit 4�� � ar �Sg'OEb M9 .. Scale: 1" = 20 FT
Weephole -Extend Drain Pipe To Daylight
DRAIN DETAIL Nbs�-.06z£bnnL O1
ENLARGED $ITE PLAN �
Not to Scale Beyond Sloe Face at Max. 20' O.C. 0 10 20
LEGEND Towne Place Inn & Suites
Use All VDOT No. 57 Stone In Reinforced Fill Zone 4�"LTH OFG Albemarle County, Virginia
® Cap Unit (4" Height) t CIRCEO GEOTECH
Except Where Stablized Aggregate is Specified O .p
Anchor Diamond Pro Units 8" Height x 18" Width Circeo
0 ( g ) �` C' _ 5956 Buckland Mill Road
Leveling Pad (Min. 6" Thick x 24" Crushed Stone) L IRCE y 3 Geotechnical Engineering, P.C. Roanoke, Virginia 24019
TOC Top of Cap Unit RETAINING WALL B UO ICHAE` Phone: (540) 366-2379
Lic. No. 021245 � I
TOW Top of Wall (Excluding Cap Unit) •a
Sta. 0 to Sta. 27 'P l2 0�7- ct
BOW Bottom of Wall (Including Embedment) 20 H: 1"= 5 ft.
60 StrotoGrid SGV60 L Stabilized Aggregate Depth Viewed From Front Face of Wall tbs G� Scale: V: 1"= 5 ft. Project No. RW-2892
0 Shaded Area, As Noted s7ONAL ti� Date: 12/10/22
GL Geogrid Length (ft) 0 4" Drain Pipe to Daylight [Design Soil Bearing Pressure = 1,500 psf] Revision: -- I Sheet 9 of 9