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613GC OPERATOR’S MANUAL
24
REFERENCE
APPROXIMATE CUTTING RATES
Material Cutting Rate
Hard aggregate & Steel 15-25 sq-in/min (90-160 sq-cm/min)
Medium aggregates 20-30 sq-in/min (160-190 sq-cm/min)
Masonry, Soft aggregates 30-50 sq-in/min (190-320 sq-cm/min)
INCH-FOOT DEFINITION
An in-ft is a measure of how much material is to be cut.
An in-ft is defined as: depth in inches times length in feet.
Note: 129 in-ft = 1m
2
Example: How many in-ft are in this doorway?
1. Determine the depth of the cut in inches.
For this example, 8 inches.
2. Determine the length of the cut in feet.
3+7+3+7=20 feet
3. Multiply the two numbers
8 in x 20 ft = 160 in-ft