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CONCRETE FOOTINGS
Example: Calculate the number of cubic yards of concreate that are reqired for a 18 Inch by 9 Inch
footing that measures 260 Feet in Length.
KEY INPUT & DISPLAY
1. Calculate the footing area.
On/C
On/C
9
×
1
8
Inch
2.Enter length and find footing volume:
2
6
0
Feet
*The default value for footing area is 264 Sq. Inches. Performing a "Clear All" will restore the default.
×
Conv
SQUARING-UP A FOUNDATION
Example: A concrete foundation measures 50 Feet by 37 Feet 6 Inches .You want to make sure that it
is qeometrically sound and need to know what the measurment of the diagonal (or square-up) of the
foundation should be as an indicator of a perfectly square corner.
1. Enter the length and width dimensions of the foundation:
On/C
On/C
5
0
Feet
Length
6
3
7
Feet
2. Calculate the square-up:
Width
Width
=
6
Inch
Stor
(Footing)
Conv
Width
50'
Inch
Width
(Ftg Area)
90°
Perfect
Square
Page 15
*F-AR
105.
STORED
FTG 6.224923
ALL CLEArEd
37' 6"
LNTH 50
Feet
WDTH 37
Feet
SQUP 62
Feet
0
SQ Inch
CU YD
0
0
Inch
6
Inch
6
Inch
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