HomeMy WebLinkAboutCity Standard Combo Retaining Wall Palm Desert 101521#4 Horizontal rebar
(use bond beam block)
6"
Omit Head Joints
for drainage
(first course only)
#4 Vertical rebar at 24"
max. spacing
(rebar in center of cell)
Non-retaining portion of wall
8" Block
(grout only cells with rebar)
(2) - #4 Horizontal rebars
At top of retaining wall
(use bond beam block)
Retaining portion of wall
8" Block
(solid grout All cells)
(3) - #4 Horizontal rebars
6' max
2' max
16"
6' max
32"
24"
12"
4"
the following inspections are required:
1) FOOTING; Excavation trench clean with steel in place and supported
3" above and away from the surrounding earth/dirt.
2) REBAR/PRE-GROUT; Bond beam rebar and vertical rebar in place -
inspection prior to placing grout.
3) FINAL; After grout is placed - prior to any decorative cap placement.
NOTES:
1) fence heights are regulated – consult zoning regulations
before beginning construction.
2) no water course or natural drainage shall be
obstructed.
3) all rebar to be astm spec. A615, grade 40 minimum.
4) all rebar lap splices to be 24" minimum.
5) all masonry units to be astm C-90 grade N.
6) not designed for surcharge loads from
vehicles or structures.
DISCLAIMER:
Alternate designs may be possible
when provided with an engineered
analysis. Use of this standard design
is at the user’s risk and carries no
implied or inferred guarantee against
failure or defects.
FOOTING OPTION “A”
#4 horizontal rebar continuous
at 32" max. above top of retaining wall
(use bond beam block)
2' max
All footings adjacent to
slopes to be at least 5' to
daylight as shown below.
BOTTOM
OF
FOOTING 5' MIN.
Retained
earth
Finish grade
Finish grade
12"
4"
#4 rebar
at 24" spacing
(WITH 6" MIN. HOOKS AT ENDS FOR OPTION “B”)
Finish grade
Retained
earth
3" max.
3” max.
*SEE PAGE 2 FOR ADDITIONAL INFORMATION*
FOOTING OPTION “B”
8"
16"4"
Balcony/Deck Standard
11/08/17 PAGE 1 OF 2
Western Riverside County Code Uniformity Program
Block Wall
Atop 2' Retaining Wall
11/08/17 PAGE 1 OF 2
Western Riverside County Code Uniformity Program
284-256
(TYPICAL)
All rebar shall have a
minimum of 3" concrete cover
at footings
(TYPICAL)
For non-retaining portion of wall
only cells and bond beam courses
with rebar to be grouted
(use grout stop mesh as appropriate)
REBAR PLACEMENT
ILLUSTRATION
(SEE PAGE 1 FOR SPECIFIC REQUIREMENTS)
(TYPICAL)
All rebar splices
24" min. overlap
FOOTING OPTION A
FOOTING OPTION B
(TYPICAL)
For the retaining portion of wall
all cells to be grouted
DESIGN PARAMETERS:
ACTIVE SOIL PRESSURE (PSF)= 30
PASSIVE SOIL BEARING (PSF) =150
COEFFICIENT OF FRICTION = 0.25
ALLOWABLE SOIL BEARING (PSF) =1500
WIND = 80 MPH, EXPOSURE C
SEISMIC:
Na=1.3, Nv=1.6, Z=0.4, SOIL PROFILE=Sd
Balcony/Deck Standard
D
11/08/17 PAGE 2 OF 2
Western Riverside County Code Uniformity Program
Block Wall
Atop 2' Retaining Wall
D
11/08/17 PAGE 2 OF 2
Western Riverside County Code Uniformity Program
284-256