Encompass Retaining Wall Plan 11-16-25.pdf
PDF 1 MB Posted
- Attached to
- IFB #2026-06 Bradford Retaining Wall
- Solicitation number
- IFB-115866
- Issued by
- Craig County, Virginia
About this file
Retaining Wall Construction Plan Summary
This is an engineering design plan document for the City of Culpeper, Virginia, prepared by Designs Unlimited, Inc. for the replacement of a failed retaining wall at the Encompass Community Supports facility located at 15361 Bradford Road, Culpeper, Virginia. The project scope includes removal of an existing failed segmental block retaining wall and an old buried timber wall, installation of a new Anchor Diamond Pro straight-face segmental block retaining wall approximately 85 feet long with a maximum height of 7 feet 6 inches, installation of Freedom brand 4-foot black aluminum fencing with posts at 6-foot on-center spacing, and completion of grading, seeding, and mulching. The design has been prepared according to the 2021 Virginia Construction Code and incorporates structural design data including nominal wind speed of 90 mph, ultimate wind speed of 115 mph, soil bearing value of 2,000 psf, ground snow load of 30 psf, and lateral earth pressure of 30 pcf. The plan was issued September 27, 2025, and revised November 16, 2025, with Project Number 25:074.
The design is based on silty/clayey sand soil conditions with a non-surcharge area behind the retaining wall as determined from field measurements. The reinforced wall construction includes geosynthetic reinforcement (Mirafi 5XT or equivalent geogrid) at specified intervals, a 12-inch minimum compacted granular-base leveling pad, 12-inch minimum drainage aggregate, and a 4-inch diameter drain pipe with outlets at the end of the wall or at maximum 40-foot centers sloped to drain. The plan permits contractors to propose salvaging and reusing existing landscape blocks supplemented as necessary with matching blocks. Contractors are required to field-verify all critical dimensions prior to construction, as field conditions may vary from the design shown, and alternative block types may be proposed to the owner for consideration. Manufacturer's literature should be consulted for all wall and fence details not explicitly shown in the plans.
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Text version
OWNER:
15361 BRADFORD ROAD
CULPEPER, VA 22701
(540)825-3100
PROJECT LOCATION:
15361 BRADFORD ROAD
CULPEPER, VA 22701
NOMINAL WIND SPEED = 90 MPH
ULTIMATE WIND SPEED = 115 MPH
SOIL BEARING VALUE (ASSUMBED) = 2,000 PSF
GROUND SNOW LOAD = 30 PSF
EXPOSURE CATAGORY = B
IMPORTANCE FACTOR = CATAGORY II
SNOW EXPOSURE FACTOR = 1.0
SEISMIC USE GROUP = B
DESIGN LOADS
DESIGNS UNLIMITED, INC.
ENGINEER:
6360 TENNIS COURT
BOSTON, VA 22713
(540)212-8330
ENCOMPASS COMMUNITY SUPPORTS
PROJECT DATA
STRUCTURAL DESIGN DATA
LATERAL EARTH PRESSURE = 30 P.C.F.
PROJECT DATA
SITE PLAN
1/4" = 1'-0"
ELEVATION
1/4" = 1'-0"
12" MINIMUM COMPACTED
GRANULAR-BASE
LEVELING PAD
MAINTAIN 1 FULL BLOCK BELOW
GRADE MINIMUM
AutoCAD SHX Text THIS PROJECT HAS BEEN DESIGNED FOR THE CONSTRUCTION OF A SEGMENTAL BLOCK RETAINING WALL
AutoCAD SHX Text AT THE ENCOMPASS SITE LOCATED AT 15361 BRADFORD ROAD, CULPEPER, VA IN CULPEPER COUNTY.
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SHEET NO.
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DATE:
AutoCAD SHX Text 09-27-25
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PROJ. NO.:
AutoCAD SHX Text 25:074
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ENCOMPASS RETAINING
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ISSUED
AutoCAD SHX Text 09-27-25
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REVISED
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PROJECT
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TITLE:
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DRAWING
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TITLE:
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OWNER:
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CULPEPER, VA 22701
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15361 BRADFORD ROAD
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ENCOMPASS COMMUNITY SUPPORTS
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DESIGN BY:
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CS
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CS
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DRAWN BY:
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CHECKED BY:
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DF
AutoCAD SHX Text (540)212-8330
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RETAINING WALL PLAN
AutoCAD SHX Text (540)825-3100
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ENGINEER:
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BOSTON, VA 22713
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6360 TENNIS COURT
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DESIGNS UNLIMITED, INC.
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WALL
AutoCAD SHX Text H = 1'-0"
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GENERAL NOTES
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* THIS PROJECT HAS BEEN SPECIFICALLY DESIGN FOR ENCOMPASS LOCATED AT 15361 BRADFORD ROAD, CULEPEPER, VA.
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* GRADING AND SITE INFORMATION SHOWN HEREON AND USED AS A DESIGN BASIS COMES FROM FIELD MEASUREMENTS.
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* FIELD CONDITIONS MAY VARY FROM DESIGN SHOWN HEREON. CONTRACTOR TO FIELD VERIFY ALL CRITICAL DIMENSIONS
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PRIOR TO CONSTRUCTION.
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* THE SEGMENTAL BLOCK RETAINING WALL PROPOSED IN THE DRAWINGS IS THE ANCHOR DIAMOND PRO STRAIGHT FACE
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BLOCK. ALTERNATIVE BLOCK MAY BE PROPOSED TO THE OWNER FOR CONSIDERATION.
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* DESIGN BASIS IS SILTY/CLAYEY SAND SOIL.
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* DESIGN BASIS IS A NON-SURCHARGE AREA BEHIND RETAINING WALL.
AutoCAD SHX Text H = 7'-6"
AutoCAD SHX Text H = 1'-0"
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GRADE
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EXISTING BURIED TIMBER RETAINING WALL
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TO BE REMOVED
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EXISTING BURIED TIMBER RETAINING WALL
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TO BE REMOVED
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EXISTING BURIED TIMBER RETAINING WALL
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TO BE REMOVED
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FREEDOM 4' BLACK ALUMINUM FENCING WITH
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POSTS @ 6' O.C.
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FREEDOM 4' BLACK ALUMINUM FENCING WITH
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POSTS @ 6' O.C.
AutoCAD SHX Text 09-27-25
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PROJECT SCOPE
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* THIS PROJECT HAS BEEN DESIGNED TO REPLACE AN EXISTING FAILED RETAINING WALL.
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* CONTRACTOR TO REMOVED EXISTING FAILED WALL AND ALSO AN OLD TIMBER WALL BURIED BEHIND THE
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CURRENT FAILED WALL.
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* CONTRACTOR TO INSTALL NEW DIAMOND PRO WALL AND FREEDOM FENCE AS SHOWN WITH GRADING, SEEDING, AutoCAD SHX Text
AND MULCHING FOR FINISHED PRODUCT.
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* CONTRACTOR MAY PROPOSE TO SALVAGE AND REUSE EXISTING LANDSCAPE BLOCK AND SUPPLEMENT AS
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NECESSARY WITH MATCHING BLOCK.
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* SEE MANUFACTURERS LITERATURE FOR ALL WALL AND FENCE DETAILS NOT SHOWN HEREON.
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DESIGN CODE = 2021 VIRGINIA CONSTRUCTION CODE AND APPLICABLE AMENDMENTS.
LEVEL BACKFILL / NO SURCHARGE
4 7'-0"
DH
(FT)
(FT)
OF WALL
HEIGHT FOOTING
DEPTH
L
0'-0"
5'-0" 0'-0"
(FT)
0'-0"
LENGTH X2
NONE
NONE
NONE
NONE
1'-0"
NONE
NONE NONE
X1
5 7'-6"
12" 12" 12"
1'-0" 1'-0"
10'-0" 9'-0" 8'-0"
12'-0"
NONE
NONE
NONE
NONE
NONE
X3
NONE
NONE
NONE
NONE
X4
NONE
1'-0" 1'-0" 1'-0" 1'-0"
3'-0" 3'-0" 3'-0" 3'-0" 3'-0"
4'-6" 4'-6" 5'-0"
NONE
6'-6" 6'-0"
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
X5
3'-0" 4'-6" 6'-0" 7'-6"
NONE NONE
X6
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONENONE
NONE
MIRAFI 5XT OR EQUIVALENT GEOGRID
12" 12" 12" 12"
12" 12"
10 12" 1'-0"14'-0" 3'-0" 4'-6" 6'-0" 7'-6" 9'-0"
STRAIGHT UNITS
MINIMUM RADIUS: 4 FEET TO FACE
STEP 1 - PLACE REINFORCEMENT
SO THAT LITTLE OR NO OVERLAP
OCCURS IN THE RADIUS AREA. IF
OVERLAP OCCURS, PLACE 2 TO 3
INCHES OF SAND BETWEEN THE
REINFORCEMENT LAYERS.
STEP 2 - LAY THE NEXT COURSE
OF BLOCK. MAKE A MARK ON
THE BACK OF THE BLOCKS IN
THE AREAS THAT ARE NOT
REINFORCED. BACKFILL AND
COMPACT THAT COURSE.
STEP 3 - PLACE REINFORCEMENT
IN THE AREAS WHERE THE MARKS
SHOW GAPS IN THE LOWER
REINFORCEMENT PATTERN.
CONTINUE NORMAL WALL
CONSTRUCTION, REPEATING
THESE STEPS AS NEEDED.
PRIMARY
STRENGTH
DIRECTION
PLACE 2 TO 3 INCHES OF SOIL FILL
REQUIRED BETWEEN OVERLAPPED
REINFORCEMENT FOR PROPER SOIL
AND REINFORCEMENT REACTION.
L
L
Anchor™ Diamond®
OUTSIDE CURVE DETAILS
(SCALE: 3/8"=1'-0")
X
WX
BEVELED UNITS
MINIMUM RADIUS: 2 FEET TO INSIDE
® and ™ ANCHOR WALL SYSTEMS, INC.
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TYPICAL SECTION-REINFORCED RETAINING WALL
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REINFORCED BACKFILL COMPACTED 95% OF MAXIMUM STANDARD PROCTOR DENSITY
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MODULAR CONCRETE UNIT
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IMPERVIOUS FILL
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AutoCAD SHX Text X1
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MODULAR CONCRETE
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FACING UNITS
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CAP UNIT
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ADHERE TO TOP UNIT
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W/ CONCRETE
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ADHESIVE
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IMPERVIOUS FILL
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12" DEEP
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GEOSYNTHETIC REINFORCEMENT
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SEE TABLE FOR LENGTH, TYPE,
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AND SPACING
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DRAINAGE AGGREGATE
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12" THICK MINIMUM
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GRANULAR LEVELING PAD
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12" THICK MINIMUM
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4" DIA. (MIN.) DRAIN PIPE
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OUTLET @ END OF WALL
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OR @ 40' CENTERS MAX.
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SLOPE TO DRAIN (1/8"/FT.)
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SCALE: N.T.S.
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BASE BLOCK
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DESIGN BASED ON CLAY & SILT SOIL W/ SLOPING BACKFILL
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SHEET NO.
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DATE:
AutoCAD SHX Text 11-16-25
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PROJ. NO.:
AutoCAD SHX Text 25:074
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ENCOMPASS RETAINING
AutoCAD SHX Text S2
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ISSUED
AutoCAD SHX Text 09-27-25
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REVISED
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PROJECT
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TITLE:
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DRAWING
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TITLE:
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OWNER:
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CULPEPER, VA 22701
AutoCAD SHX Text
15361 BRADFORD ROAD
AutoCAD SHX Text
ENCOMPASS COMMUNITY SUPPORTS
AutoCAD SHX Text
DESIGN BY:
AutoCAD SHX Text
CS
AutoCAD SHX Text
CS
AutoCAD SHX Text
DRAWN BY:
AutoCAD SHX Text
CHECKED BY:
AutoCAD SHX Text
DF
AutoCAD SHX Text (540)212-8330
AutoCAD SHX Text
RETAINING WALL PLAN
AutoCAD SHX Text (540)825-3100
AutoCAD SHX Text
ENGINEER:
AutoCAD SHX Text
BOSTON, VA 22713
AutoCAD SHX Text
6360 TENNIS COURT
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DESIGNS UNLIMITED, INC.
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WALL
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GENERAL NOTES
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* THIS PROJECT HAS BEEN SPECIFICALLY DESIGN FOR ENCOMPASS LOCATED AT 15361 BRADFORD ROAD, CULEPEPER, VA.
AutoCAD SHX Text
* GRADING AND SITE INFORMATION SHOWN HEREON AND USED AS A DESIGN BASIS COMES FROM FIELD MEASUREMENTS.
AutoCAD SHX Text
* FIELD CONDITIONS MAY VARY FROM DESIGN SHOWN HEREON. CONTRACTOR TO FIELD VERIFY ALL CRITICAL DIMENSIONS
AutoCAD SHX Text
PRIOR TO CONSTRUCTION.
AutoCAD SHX Text
* THE SEGMENTAL BLOCK RETAINING WALL PROPOSED IN THE DRAWINGS IS THE ANCHOR DIAMOND PRO STRAIGHT FACE
AutoCAD SHX Text
BLOCK. ALTERNATIVE BLOCK MAY BE PROPOSED TO THE OWNER FOR CONSIDERATION.
AutoCAD SHX Text
* DESIGN BASIS IS SILTY/CLAYEY SAND SOIL.
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* DESIGN BASIS IS A NON-SURCHARGE AREA BEHIND RETAINING WALL.
AutoCAD SHX Text 11-16-25
11-16-25
12" MINIMUM COMPACTED
GRANULAR-BASE
LEVELING PAD
NATIVE SOIL
STRAIGHT UNITS
BEVELED UNITS 10" MINIMUM
EXTEND GEOSYNTHETIC REINFORCEMENT
TO WITHIN 2 INCHES OF THE LOWER BLOCK FACE
10" MINIMUM
10" MINIMUM
GEOSYNTHETIC REINFORCEMENT
SLEEVE AND NON-SHRINK
GROUT AROUND POST.
SLEEVE INSTALLED DURING
WALL ERECTION.
SLEEVE AND NON-SHRINK
GROUT AROUND POST
DEPTH VARIES
3.0 FEET
(MINIMUM)
FENCE OR RAILING
(DESIGNED BY OTHERS)
BLOCK
BLOCK
10.6°
REINFORCEMENT LENGTH
CAP
BLOCK
CAP
BLOCK SLOPE MAY VARY
NATIVE SOIL
12" MINIMUM COMPACTED
LEVELING PADGRANULAR-BASE
LEVELING PAD TRENCH
APPROXIMATE LIMITS OF EXCAVATION
2'
SLEEVE AND NON-SHRINK
GROUT AROUND POST.
SLEEVE INSTALLED DURING
WALL ERECTION.
BLOCK
CAP
BLOCK
GEOSYNTHETIC REINFORCEMENT
DEPTH VARIES
BLOCK
10.6°
REINFORCEMENT LENGTH
CAP BLOCK SLOPE MAY VARY
3.3 FEET
(MINIMUM)
GUIDE RAIL (DESIGNED BY OTHERS)
SLEEVE FOR POST/PIPE
(PVC OR SIMILAR)
INSIDE CURVE
WALL FACE
TOP
OUTSIDE CURVE
SAW-CUT AS
REQUIRED TO
CONSTRUCT
90-DEGREE
MITERED
CORNER
SPLIT FACE AND END
1. Always start capping wall from the lowest elevation
2. Lay out caps prior to using adhesive
3. Cut caps to fit. Various combinations of long and short cap faces will be necessary for radii greater than the minimum.
4. Alternate short and long faces every other cap to achieve a straight row of caps.
5. Use exterior-grade construction adhesive to secure caps.
STEP UP DETAIL BASE PREPARATION DETAIL CAP BLOCK DETAIL
REINFORCEMENT CONNECTION DETAIL FENCE DETAIL GUARD RAIL DETAIL
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SCALE: N.T.S.
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SCALE: N.T.S.
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SCALE: N.T.S.
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SCALE: N.T.S.
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SCALE: N.T.S.
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SCALE: N.T.S.
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SHEET NO.
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DATE:
AutoCAD SHX Text 09-27-25
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PROJ. NO.:
AutoCAD SHX Text 25:074
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ENCOMPASS RETAINING
AutoCAD SHX Text S3
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ISSUED
AutoCAD SHX Text 09-27-25
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REVISED
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PROJECT
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TITLE:
AutoCAD SHX Text
DRAWING
AutoCAD SHX Text
TITLE:
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OWNER:
AutoCAD SHX Text
CULPEPER, VA 22701
AutoCAD SHX Text
15361 BRADFORD ROAD
AutoCAD SHX Text
ENCOMPASS COMMUNITY SUPPORTS
AutoCAD SHX Text
DESIGN BY:
AutoCAD SHX Text
CS
AutoCAD SHX Text
CS
AutoCAD SHX Text
DRAWN BY:
AutoCAD SHX Text
CHECKED BY:
AutoCAD SHX Text
DF
AutoCAD SHX Text (540)212-8330
AutoCAD SHX Text
RETAINING WALL PLAN
AutoCAD SHX Text (540)825-3100
AutoCAD SHX Text
ENGINEER:
AutoCAD SHX Text
BOSTON, VA 22713
AutoCAD SHX Text
6360 TENNIS COURT
AutoCAD SHX Text
DESIGNS UNLIMITED, INC.
AutoCAD SHX Text
WALL
AutoCAD SHX Text
GENERAL NOTES
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* THIS PROJECT HAS BEEN SPECIFICALLY DESIGN FOR ENCOMPASS LOCATED AT 15361 BRADFORD ROAD, CULEPEPER, VA.
AutoCAD SHX Text
* GRADING AND SITE INFORMATION SHOWN HEREON AND USED AS A DESIGN BASIS COMES FROM FIELD MEASUREMENTS.
AutoCAD SHX Text
* FIELD CONDITIONS MAY VARY FROM DESIGN SHOWN HEREON. CONTRACTOR TO FIELD VERIFY ALL CRITICAL DIMENSIONS
AutoCAD SHX Text
PRIOR TO CONSTRUCTION.
AutoCAD SHX Text
* THE SEGMENTAL BLOCK RETAINING WALL PROPOSED IN THE DRAWINGS IS THE ANCHOR DIAMOND PRO STRAIGHT FACE
AutoCAD SHX Text
BLOCK. ALTERNATIVE BLOCK MAY BE PROPOSED TO THE OWNER FOR CONSIDERATION.
AutoCAD SHX Text
* DESIGN BASIS IS SILTY/CLAYEY SAND SOIL.
AutoCAD SHX Text
* DESIGN BASIS IS A NON-SURCHARGE AREA BEHIND RETAINING WALL.
09-27-25
| 2025-11-16T06:38:31-0500 | |
| Agreement certified by AvanquestEsign-2026 |
File details come from the government source that posted it. Updated .