Grade checking
What does HI mean?
Height of Instrument
the amount of space that a substance or object occupies, or that is enclosed within a container
Find the diagonal for a 12' square
12 x 1.414 = 16.968
Even hundredths
2/8'' + 3/8'' =
5/8ths
What does ASL stand for?
Above Sea Level
Definition of area , and a real life application for it.
The extent or measurement of a surface
Carpeting , hardwood floors , wall paper , plastic for containment on a job.
5 7/8'' convert to a decimals of a feet
5.489
Large red numbers on grade rods mean what?
Whole feet
2 1/4'' - 1 1/8'' = what?
1 1/8''
Decimal feet
1 yard equals =
3 feet
2/8'' + 3/8'' = what?
1/4''
Smaller black numbers represent what?
Tenths of a foot
What's the point of labeling your numbers? Why is it important?
You have to know what you're working with! Square feet , and square yards can mean two different things.
Known elevation added to the height
What is the formula to find concrete yardage?
L x W x H divided by 27
10'' in decimal form is what?
.83
I have a deck to pour that's 170' long by 85' with a 6'' grade... how much concrete do I order?
267.59 yards
Why is converting your inches to decimal feet relevant?
Accuracy counts! 4'' and 4' are the same thing according to a calculator
Why do you divide by 27 when finding yardage for concrete?
a 3' x 3' x 3' square can hold 27 concrete blocks in it. 27 is the conversion point from feet to yards.
.42 is what in inches?
5''
How many yards of concrete to one truck?
10
Double checking your WORK is important because...?
It's better you find the mistake than your foreman/superintendent