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Drawing No:
Country Manor Unit - DetailsTitle:
Scale:
No ScaleTypical Wall Details
Keystone Retaining Wall SystemsCDM
RKM
4444 W 78th Street
952-897-1040Minneapolis, MN 55435
Date:
Project No:Project:
Designed By:
Checked By:
Design is for internal stability of the KEYSTONE wall structure only. External stability, including but not limited to foundation and slope stability is the responsibility of the Owner. The design is based on the assumption that the materials within the retained mass, methods of construction, and quality of materials conform to KEYSTONE's specification for this project.
This drawing is being furnished for this specific project only. Any party accepting this document does so in confidence and agrees that it shall not be duplicated in whole or in part, nor disclosed to others without the consent of Keystone Retaining Wall Systems, Inc.
Copyright 2003 Keystone Retaining Wall Systems
No. Date Revision By
Note:Center pin hole walls shall be constructed with positive batter by tilting units back towards fill on leveling pad.
Note:Center pin hole walls shall be constructed with positive batter by tilting units back towards fill on leveling pad.
Country Manor Unit/Base Pad Isometric Section ViewDimensions & Weight May Vary by Region
ExcavationLimits
6" Crushed Rock orUnreinforced Concrete Leveling Pad
Unit Face
Base Leveling Pad Notes:1. The leveling pad is to be constructed of crushed stone or 2,000 psi± unreinforced concrete
2.The base foundation is to be approved by the site geotechnical engineer prior to placement of the leveling pad.
Universal Cap Unit
Weight:Height:Depth:Width:
24 lbs
14"/8"10"/12"3"
Large Unit
Weight: 60 lbs
Depth:Height:
Width: 16"/14"10"6"
Width:Depth:Height:Weight: 40 lbs
Medium Unit
12"/10"10"6"
Width:Depth:Height:Weight:
6"/4"
25 lbs
10"6"
Small Unit
UniversalCap unit
Geogrid is to be Placed on LevelBackfill and Extended Over the Fiberglass Pins. Place Next Unit. Pull Grid Taught and Backfill. Stake as required.
Grid & Pin Connection
Stre
ngth
Dire
ctio
n
Rear Pin Position1" Setback
3/8"
Min
.
Fiberglass PinAlignment and Interconnection
Middle Pin PositionFlush Face
1"
6"
W + 12"
Leveling Pad and Cap Step DetailSection
Elevation
6" Step6" Crushed Rock or UnreinforcedConcrete Leveling Pad
6" Country Manor Unit
3" Country ManorCap Unit
6"1/2" x 5 1/4"Fiberglass Pins
W
Cap Elevation
Cap Plan
14"
8"
Standard Country Manor Unit Sizes
10" o
r 12"
3"
10" 8"
6"
8" 6"
4"
10"
10"
10"
14"
10"
16"
12"
10"
12"
10"
10"
12"
Country Manor Cap Unit
Unit 14/16 Unit 10/12
Unit 12/12 Unit 8/10 Unit 6/8
Unit 4/6
Optional Country Manor Unit Sizes
Typical Unit Elevation
6"
Typical Unit X-Section
6"
Geogrid Installation at Corners
Note: 1. Check with manufacturer specifications on correct direction of orientation for
geogrid to obtain proper strength.
2. Corner units recommended for outside corners. Availability May Vary.
H / 4
H / 4
H / 2
H / 2
Additional Drainage FillExtend Wall Height / 2
3" of Soil Fill is Required Between Overlapping Geogrid for ProperAnchorage (Typ.) Additional Geogrid Overlap
Extend Wall Height / 4
Drainage Fill
Geogrid Installation on Curves
H / 2
H / 2Note: 1. Check with manufacturer specifications on correct direction of orientation for geogrid to obtain proper strength.
3" of Soil Fill is Required Between Overlapping Geogrid for ProperAnchorage (Typ.)
Place Additional Pieces of Geogrid When Angle Exceeds 20°
Drainage Fill
20°
Additional Drainage FillExtend Wall Height / 2
Typical Gravity Wall SectionCountry Manor Unit - 1" Setback
8" Min. Low Permeable Soil
Keystone Country Manor Cap Unit Secured withKapseal Adhesive or equal
22"
Keystone Country Manor Unit
Retained Soil
Unit Drainage Fill(3/4" CrushedRock or Stone)
4" Perforated PVC Drainage TileWrapped in Filter Fabric (If Required)
Approximate Limitsof Excavation
Finished Grade
Unreinforced Concrete orCrushed Stone Leveling Pad
Des
ign
Hei
ght1" - 1 1/4"
6"24"
Foundation Soil
Country Manor Unit - 1" SetbackTypical Reinforced Wall Section
Retained Soil
Foundation Soil
Des
ign
Hei
ght
24"
Keystone Country Manor Cap Unit Secured withKapseal Adhesive or equa
Keystone Country Manor Unit
Unit Drainage Fill (3/4" Crushed Rock or Stone)
Finished Grade
Unreinforced Concrete or Crushed Stone Leveling Pad
Approximate Limits of Excavation
4" Perforated PVCDrainage Tile
Note: When site conditions require, wrap drainage tile in 3/4" aggregate and filter fabric with drainage composite or aggregate back drain system, as directed by geotechnical engineer.
22"
1" - 1 1/4"
6"Grid Depth
8" Min. Low Permeable Soil
Reinforced Soil
Country Manor Unit - Near Vertical Setback
Retained Soil
Typical Reinforced Tiered Wall Section
Foundation Soil
Des
ign
Hei
ght
Reinforced Soil
Des
ign
Hei
ght
Unreinforced Concrete or Crushed StoneLeveling Pad
Keystone Country Manor Cap Unit Secured withKapseal Adhesive or equal
Unreinforced Concrete or Crushed Stone Leveling Pad
Finished Grade
Finished Grade
8" Min. Low Permeable Soil
4" Perforated PVCDrainage Tile
Approximate Limitsof Excavation
Note: When site conditions require, wrap drainage tile in 3/4" aggregate and filter fabric with drainage composite or aggregate back drain system, as directed by geotechnical engineer.
*0" - 1/8"
6"
8" Min. Low Permeable Soil
24"
Keystone Country Manor Cap Unit Secured withKapseal Adhesive or equal
Keystone Country Manor Unit
Unit Drainage Fill (3/4" Crushed Rock or Stone)
22"
*0" - 1/8"
6"
Reinforced Soil
24"
Keystone Country Manor Unit
Unit Drainage Fill (3/4" Crushed Rock or Stone)
Grid Depth
Grid Depth
Country Manor Unit - Near Vertical Setback
Reinforced Soil
Retained Soil
Typical Reinforced Wall Section
Foundation Soil
Des
ign
Hei
ght
8" Min. Low Permeable Soil
24"
Keystone Country Manor Cap Unit Secured withKapseal Adhesive or equa
Keystone Country Manor Unit
Unit Drainage Fill (3/4" Crushed Rock or Stone)
Finished Grade
Unreinforced Concrete or Crushed Stone Leveling Pad
Approximate Limits of Excavation
4" Perforated PVCDrainage Tile
Note: When site conditions require, wrap drainage tile in 3/4" aggregate and filter fabric with drainage composite or aggregate back drain system, as directed by geotechnical engineer.
Grid Depth
22"
*0" - 1/8"
6"