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U
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— 43
BLOCKS/BRICKS (NOT AVAILABLE ON TRIG MODEL #4080)
Number of Blocks, Based on Calculated Area
You are building an “L” shaped retaining wall out of standard 8-inch
x 16-inch size blocks
(Note: this is the default block size of 128 sq.
inches)
. 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? Add a 5% waste allowance.
KEYSTROKE DISPLAY
1. Find total wall length:
o o 0.
® Ç 4* B--AR STORED 128. SQ INCH
2 2 f + 1 5 f 8 i = 37 FEET 8 INCH
l 37 FEET 8 INCH
2. Enter wall height as width and find wall area:
4 f W 4 FEET 0 INCH
W 150.6667 SQ FEET
3. Find the number of blocks and add 5% waste allowance:
Ç l BLKS 169.5
+ 5 % 177.975
(178 Blocks)
*If ® Ç l
(Blocks)
does not result in 128 square inches, then
enter the following:
1 2 8 i i ß 4 B--AR STORED 128. SQ INCH
-OR-
8 i x 1 6 i = 128. SQ INCH
ß 4 B--AR STORED 128. SQ INCH
Number of Blocks, Based on Entered Area
Find the number of blocks required for an area measuring 300
square feet. Add a 3% waste allowance.
KEYSTROKE DISPLAY
o o 0.
3 0 0 f f Ç l BLKS 337.5
+ 3 % 347.625
(348 Blocks)
4065UG-E-B 6/9/04 1:49 PM Page 43
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