12-0145 (ELEC) Structural CalcsB.G. STRUCTURAL ENGINEERING
BRIAN GOTTLIEB - CIVIL ENGINEER - Lic. No. C33047
43-100 Cook Street, Suite 203
Palm Desert, CA 92211
(760) 568-3553 (760) 568-5681 Fax
Austin Residence
RECEIVED , .
MAR 0 7 2012
MSA Design Group, Inc.
PO BOX 10690
Palm Desert, Ca. 92255
Job Number:, 821.74
March 2, 2012
CITY OF -CA QUINTA
BUILDING & SAFETY DEPT.
APPROVED
FOR CONSTRUCTION
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OMITTING HEAD JOINT IN
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AUSTIN RESIDENCE
WALL 'G'
JOB # 821,74
DATE, MARCH 2, 2012
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WALL 'G'
Scolm KT.&
B.G Structural Engineering, Inc.
43-100 Cook Street, Suite 203
Palm Desert, CA. 92211
(760) 568-3553 Voice
(760) 568-5681 FAX
Title Austin Residence . Page:
Job # 821.74 Dsgnr: BG Date: 28 FEB 2012
Description....
Wall G - 5'-6" Property Line Garden Wall
This Wall in File: s:\rp-data\horton 821-74.rp5
RetainPro 10 (c) 1987-2011, Build 10.12.1.25
License: KW -06059942 Cantilevered Retaining Wall Design ;ode: CBC 2010,ACI 318-08,AC1 530-08
License To : B.G. Structural Engineering, Inc.
Criteria
1,340 psf OK
Retained Height =
, 1.83 ft
Wall height above soil =
5.50 ft
Slope Behind Wall =
0.00: 1
Height of Soil over Toe =
16.00 in
Water height over heel =
0.0 ft
Surcharge Loads
1,340 psf OK
Surcharge Over Heel =
0.0 psf
Used To Resist Sliding & Overturning
-1,500 psf
Surcharge Over Toe =
0.0 psf
Used for Sliding & Overturning
1,608 psf
Axial Load Applied to Stem
Axial Dead Load =
0.0 lbs -
Axial Live Load =
0.0 lbs
Axial Load Eccentricity =
0.0 in
Design Summary
Sliding Calcs (Vertical Component NOT Used)
Wall Stability Ratios
262.0 lbs
Overturning =
2.32 OK
Sliding =
4.83 OK
Total Bearing Load- = 1,394 lbs
...resultant ecc. = 8.69 in
Soil Pressure @ Toe =
1,340 psf OK
Soil Pressure @ Heel =
0 psf OK
Allowable =
-1,500 psf
Soil Pressure Less Than
Allowable
ACI Factored @ Toe =
1,608 psf
ACI Factored @ Heel
0 psf
Footing Shear @ Toe =
1.3 psi OK
Footing Shear @ Heel =
1.6 psi OK
Allowable =
75.0 psi
Sliding Calcs (Vertical Component NOT Used)
Lateral Sliding Force =
262.0 lbs
less 100% Passive Force= -
709.2 lbs
less 100% Friction Force = -
557.4 lbs
Added Force Req'd =
0.0 lbs OK
....for 1.5 : 1 Stability =
0.0 lbs OK
Soil Data
Allow Soil Bearing = 1,500.0 psf
Equivalent Fluid Pressure Method
Heel Active Pressure = 35.0 psf/ft
Passive Pressure
= 250.0 psf/ft
Soil Density, Heel
= 110.00 pcf
Soil Density, Toe
= 0.00 pcf
FootingIlSoil Friction
= 0.400
Soil height to ignore
has been increased
for passive pressure
= 12.00 in
Lateral Load Applied to Stem
Lateral Load =
0.0 #/ft
...Height to Top =
0.00 ft
...Height to Bottom =
0.00 ft
The above lateral load
=
has been increased
1.00
by a factor of
=
Wind on Exposed Stem = 17.4 psf
Stem Construction I_
Design Height Above Ftc
ft =
Wall Material Above "Ht"
_
Thickness
=
Rebar Size
=
Rebar Spacing
=
Rebar Placed at
=
Design Data
at Back of Wall =
0.0 ft
fb/FB + fa/Fa
=
Total Force @ Section
lbs =
Moment.... Actual
ft-# _
Moment..... Allowable
ft-#=
Shear..... Actual
psi =
Shear..... Allowable
psi =
Wall Weight
psf=
Rebar Depth 'd'
in=
LAP SPLICE IF ABOVE
in=
LAP SPLICE IF BELOW
in=
HOOK EMBED INTO FTG in =
Load Factors
.
Building Code
CBC 2010,ACI
Dead Load
1.200
Live Load
1.600
Earth, H
1.600
Wind, W
1.600
Seismic, E
1.000
Masonry Data
fm
Fs
Solid Grouting
Use Half Stresses
Modular Ratio'n'
Short Term Factor
Equiv. Solid Thick.
Masonry Block Type
Masonry Design Method
Concrete Data
fc
Fy
Adjacent Footing Load
.
Adjacent Footing Load =
0.0 lbs
Footing Width =
0.00 ft
Eccentricity =
0.00 in
Wall to Ftg CL Dist =
0.00 ft
Footing Type
Line Load
Base Above/Below Soil
5.60
at Back of Wall =
0.0 ft
Poisson's Ratio =
0.300
p Stem 2nd
Stem OK Stem OK
3.33 0.00
Masonry Masonry
6.00
6.00
# 4
# 5
24.00
24.00
Center
Center
0.282 0.801
69.7 154.5
139.4 474.5
494.7' 592.3
2.1 4.7
38.7 38.7
58.0 58.0
2.75 2.75
24.00 45.00
24.00
10.50
psi= 1,500
1,500
psi = 24,000
24,000
= Yes
Yes
= n/a
No
= 21.48
21.48
= 1.000
1.000
in= 5.60
5.60
= Medium Weight
= ASD
psi =
psi =