Calculated Industries 4225-B - Manual (Page 33)

P
OCKET
R
EFERENCE
G
UIDE
— 30
BLOCKS AND BRICKS
Calculating Number of Blocks
You are building an “L” shaped retaining
wall out of standard 8 Inch x 16 Inch
blocks. One side of the retaining wall is
22 Feet long, and the other side is 15 Feet
8 Inches long. The wall is to be 4 Feet
high. How many blocks are required to
build this wall?
KEYSTROKE DISPLAY
1. Clear calculator:
o o 0.
2. Enter block size:
8 i x 1 6 i =
T B
B
-
AR
128.
SQ INCH
3. Add both wall Lengths:
2 2 f + 1 5 f 8 i =
37
FEET
8
INCH
4. Multiply Length times Height:
x 4 f =
150.6667
SQ FEET
5. Find number of blocks and add 5%
waste:
B
BLKS
169.5
(170 Blocks)
+ 5 %
177.975
(178 Blocks)
STORED