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GRADE/SLOPE
Back-Fill on a Slope —
You’ve built 55 linear Feet of a 3-foot high retaining wall that is 3 Feet
12 Inches of the top of the wall (for a 2 Foot depth). How many Cubic
KEYSTROKE DISPLAY
1. Find volume for “A”:
o o 0.
5 5 f 55 feet
x 3 f 3 feet
x 2 f = µ M+ 330. cu feet
M
2. Find run of “B”:
6 5 % p %GRD 65.
M
2 f r RISE 2 feet 0 inch
M
R RUN 3 feet 0-15/16 inch
M
3. Find volume of triangle “B”:
5 5 f 55 feet
M
x ® R RUN 3 feet 0-15/16 inch
M
x 2 f = 338.4615 cu feet
M
÷ 2 = µ M+ 169.2308 cu feet
M
4. Find total volume:
® ® M+ 499.2308 cu feet
Ç y 18.49003 cu yd
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