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HomeMy WebLinkAboutCity Standard Freestanding Block Wall Palm Desert 10152112"12" FOOTING OPTION “A”FOOTING OPTION “B” 10"10" “h” height from top of footing #4 horizontal at 32" max. o.c. (use bond beam block) 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. NOTES: 1) this design does not allow grade differentials of more than 6" on opposing sides of the wall. This is not a retaining wall. 2) fence heights are regulated – consult zoning regulations before beginning construction. 3) no water course or natural drainage shall be obstructed. 4) grout only the cells containing rebar. This wall is not designed for all cells to be grouted. 5) all rebar to be astm spec. A615, grade 40 minimum. 6) all rebar lap splices to be 24" minimum. 7) all masonry units to be astm C-90 grade N. 8) rebar to be centered in masonry cells. SEE TABLE "A" FOR REBAR SIZE AND SPACING (locate rebar in center of cell) #4 Horizontal rebar (use bond beam block) 6" or 8" block Finish grade Reverse direction of hook on every other rebar (1) - #4 rebar continuous (2) - #4 rebar continuous “h” height from top of footing “w” (FOOTING WIDTH) SEE TABLE “B” “w” (FOOTING WIDTH) SEE TABLE “A” When a permit is required, 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. Check with the Building Department to verify if a building permit is required. All footings adjacent to slopes to be at least 5' to daylight as shown below. BOTTOM OF FOOTING 5' MIN. *SEE PAGE 2 FOR ADDITIONAL INFORMATION* SEE TABLE "B" FOR REBAR SIZE AND SPACING (locate rebar in center of cell) Table “a” “h” “w” Vertical reinforcement 3' 4' 5' 6' 23" 20" 36" 17" #4 @ 48" O.C. #4 @ 48" O.C. #4 @ 48" O.C. #4 @ 24" O.C. Table “b” “h” “w” Vertical reinforcement 3' 4' 5' 6' #4 @ 48" O.C. #4 @ 48" O.C. #4 @ 48" O.C. #4 @ 24" O.C. 19" 22" 29" 45" Balcony/Deck Standard Dr PAGE 1 OF 2 Weste e Cou Freestanding Block Wall Dr 2/ 2020 PAGE 1 OF 2 Western Riverside County Code Uniformity Program 284-257 (TYPICAL) All rebar shall have a minimum of 3" concrete cover at footings (TYPICAL) All rebar splices 24" min. overlap FOOTING OPTION A (TYPICAL) only cells and bond beam courses with rebar to be grouted (do not solid grout entire wall - use grout stop mesh as appropriate) REBAR PLACEMENT ILLUSTRATION DESIGN PARAMETERS: ACTIVE SOIL PRESSURE (PSF)= 30 PASSIVE SOIL BEARING (PSF) =150 COEFFICIENT OF FRICTION = 0.25 ALLOWABLE SOIL BEARING (PSF) =1500 WIND = 95 MPH, EXPOSURE C SEISMIC: SDS =1.8 max Balcony/Deck Standard D 11/08/17 PAGE 2 OF 2 Western Riverside County Code Uniformity Program Freestanding Block Wall D 2/2020 PAGE 2 OF 2 Western Riverside County Code Uniformity Program 284-257