How To Use a Laser Level for Grading?
- 1. Setup the Station: Construction-grade tripods are very different from camera tripods. ...
- 2. Setup the Laser Level: Turn on the laser level and create a new job from the main menu. ...
- 3. Start Grading: Once the benchmark is added to the system, you can start the grading process. ...
- 4. Calculate the Data: When the scanning is complete, it is time to start the calculations. ...
Full Answer
How do you level the ground with a laser level?
Now if you're using the laser level to just level the ground, you would set your receiver to your pre-determined grade and keep checking the dirt as you dump it and spread it around. When you set your grade stick on the leveled ground and it has a solid beep, you know you're level.
How do you know if a laser level is level?
When you set your grade stick on the leveled ground and it has a solid beep, you know you're level. If it beeps slow or fast, you're either too low or to high in that area. I use my laser level just about every day to set grades for the concrete floors we install.
How far away from the laser can you measure grade?
This laser beam, it's red on RL-5HB, gives you a horizontal, level beam to measure off from that is accurate up to +/- 20 arc seconds, 1300 feet or 400m away from the laser. Now for me and my line of work, installing concrete floors, the longest distance I have to set grades is usually 100 feet or less from where the laser is set up.
How do you find the grade in degrees?
The diagram below shows the three basic aspects you’ll need to find grade. Simply take “rise over run” and use arctangent (tan -1) to find theta (θ) – that’s your grade in degrees. Returning to our example, the rise is 2 and the run is 6. So, you’d take 2 over 6 (or 2/6) to get.33.
How do you calculate grades with a laser level?
3:479:06How to use a laser level for beginners - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd then the receiver picks up that laser beam and tells me you know where i need to be higher lowerMoreAnd then the receiver picks up that laser beam and tells me you know where i need to be higher lower if i'm shooting a grade on something like this stone it tells me the level of the stone.
How do you grade a slope with a laser level?
2:086:11HOW TO SETUP SLOPES WITH A LASER AND A GRADE ROD ...YouTubeStart of suggested clipEnd of suggested clipSitting two marks. Below four tenths. So i want to be two marks. Below two tenths. So i've justMoreSitting two marks. Below four tenths. So i want to be two marks. Below two tenths. So i've just moved. Down the rod two tenths now we're gonna face our laser. And now i'm going to take my down button.
How do you set the grade on a laser pipe?
1:242:20Leica Pipe Laser - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst press the star button then move the cursor to input grade by the individual digits. When you'MoreFirst press the star button then move the cursor to input grade by the individual digits. When you're ready to align the beam to the desired position use the buttons on the laser.
How do you measure grades?
1:354:12Cheap Method To Measure Grade - YouTubeYouTubeStart of suggested clipEnd of suggested clipI need next to do is take a tape measure. And start measuring the ground to the string. So I'm atMoreI need next to do is take a tape measure. And start measuring the ground to the string. So I'm at eight and a half inches. There I go about a foot down the line. I'm at nine and a quarter.
How do we measure slope?
To calculate percent slope, divide the difference between the elevations of two points by the distance between them, then multiply the quotient by 100. The difference in elevation between points is called the rise. The distance between the points is called the run. Thus, percent slope equals (rise / run) x 100.
How do you use a grade rod and laser?
2:3816:53HOW TO USE A LASER AND A GRADE ROD TO DIG A BASEMENTYouTubeStart of suggested clipEnd of suggested clipSo we start at an even three foot if we go up to the bottom of the black line that is one hundredthMoreSo we start at an even three foot if we go up to the bottom of the black line that is one hundredth to the top of the black line is two hundredths. Three hundredths four hundredths five hundredths.
How do I calculate my pipe grade?
Divide the pipe's vertical fall by the length of the pipe, then multiply the result by 100 to find the percentage. The fall and length need to be in the same units (feet or inches) for this to work. For example, if the pipe fell by one foot and was 50 feet long, you divide 1 by 50 to get 0.02.
How do you calculate pipe laser slope percentage?
304 − 4 = 300, the pipe distance between manholes will be 300 feet but a distance of 304 feet should be shown on the profile. b) To determine the pipe slope, subtract the two manhole inverts and divide the difference by the pipe distance and multiply by one hundred (100) to obtain the percent grade of the pipe.
How do you calculate percentage fall?
How to Calculate Percentage DecreaseSubtract starting value minus final value.Divide that amount by the absolute value of the starting value.Multiply by 100 to get percent decrease.If the percentage is negative, it means there was an increase and not an decrease.
What tool is used to measure grades?
0:134:262nd Grade Math 8.8, Choose a Measuring Tool, Ruler ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe're going to learn about the ruler the yardstick. And the measuring tape the ruler is for shortMoreWe're going to learn about the ruler the yardstick. And the measuring tape the ruler is for short and straight objects yardstick that's for straight.
How can I calculate my grade mark?
Grade CalculatorExample:A. Divide the mark given for each small assignment by the possible mark for each small assignment.B. Add the marks given for each assignment. Then add the possible marks given for each assignment. ... C. Multiply the decimal by 100 to calculate the percentage.
What is a 4% slope in grade?
Slopes vs. gradients vs. % gradesSlopeAngle (degrees)GradientGrade (%)315.24416.99518.7599 more rows
How do you set the slope on a Topcon laser level?
0:030:30Topcon Training - RL-H5A - Manually Setting Slope - YouTubeYouTubeStart of suggested clipEnd of suggested clipTo adjust slope power on the unit and make sure the laser is level press the slope button to startMoreTo adjust slope power on the unit and make sure the laser is level press the slope button to start tilting the laser head. The green light next to slope will start flashing.
What is a dual slope laser level?
The dual slope laser has the ability to give you a read on two slopes on separate axis at the same time, which allows you the possibility of coming up with a compound grade.
How do you use a transit level for slope?
How to Use a Transit Level for GradingStep 1: Set Up the Transit Level. Set the transit level up on its solid three-legged or four-legged base. ... Step 2: Establish a Reference Point. ... Step 3: Begin Comparison Measurements. ... Step 4: Establish Grade Through Measurement Comparisons.
What is single slope laser?
The automatic, self-leveling Spectra Precision® GL412N single-grade laser is the most rugged, cost-effective laser that does three jobs — level, grade and vertical alignment. Even in harsh jobsite conditions, the GL412N delivers consistently reliable and accurate performance, enabling you to work faster and smarter.
How to level a laser level?
First of all, place the tripod on a surface you are going to even. Setup the tripod firmly. Spread its legs at an equal distance. You should place it in a way that it does not move (du e to air). Before going to the next step, you should be 100% sure about the stability of the laser level.
What is a rotary laser level?
For some reason, a rotary laser level is ideal for this sort of job. The rotary laser level is a 360-degree laser level equipped with the latest technology. It allows the 360-degree projection to cover the entire site at a time. You can use it for both indoor and outdoor works. Rotary laser levels have more projecting range, battery life, and hence power consumption than others.
How to set up a laser leveler?
The set-up for a laser level like this one is ridiculously easy, just follow these steps: 1 Set the laser on the tripod on a flat surface 2 Push the "on" button 3 Allow a few seconds to self-level and start rotating.
How far away is the laser beam from the laser?
This laser beam, it's red on RL-5HB, gives you a horizontal, level beam to measure off from that is accurate up to +/- 20 arc seconds, 1300 feet or 400m away from the laser.
How long does it take for Topcon lasers to ship?
You order it and it gets shipped to your door within a couple days. I have 3 of these Topcon lasers and that's how I did it with no problems.
How many different readings on a house foundation floor sub-grade?
Then I take another that might show up as 5, and another that might be a 3 and so on. I might take 10 different readings on a house foundation floor sub-grade like this.
Do you have to keep moving a benchmark grade?
You don't want to have to keep moving it around once you establish you benchmark grade.
Can you use a laser level to level the ground?
Now if you're using the laser level to just level the ground, you would set your receiver to your pre-determined grade and keep checking the dirt as you dump it and spread it around.
How to find grade in degrees?
Using basic trigonometry, you can find grade in degrees quickly. The diagram below shows the three basic aspects you’ll need to find grade. Simply take “rise over run” and use arctangent (tan -1) to find theta (θ) – that’s your grade in degrees. Returning to our example, the rise is 2 and the run is 6.
How to find elevation percentage?
The process for measuring elevation as a percentage is the same as finding elevation change as a decimal, with one extra step. So, find the rise over run. In our example, it’s 2 over 6 (2/6) – this is .33. Then simply multiply the decimal by 100 to find the percentage. In this case, 33%. A positive percentage indicates an upward slope. A positive number indicates an upward slope, and vice versa.
What is Elevation Grade?
Grade of an object’s physical feature, a landform or a line (plane) is used to indicate the slope of the thing being measured. Applications of grade include physical features like hills, riverbanks and canyons and construction aspects such as roads, roof pitch and landscaping. In other words, how to find elevation grade is an important skill in many areas.
What is the difference between desired grade and current grade?
The difference between the desired grade (1.5") and the current grade (0.5") is how much you must cut from the toe stake.
What is grade in trigonometry?
In trigonometric terms, grade is the tangent of the angle of a surface being measured to the horizontal. The larger the number, the greater the grade (or ‘tilt’). In this case, grade is expressed in degrees. For example, the elevation grade of a street could be 6.2°, meaning the street tilts upward 6.2° from horizontal (the horizon). In other words, you’re traveling uphill.
How to find elevation change as a decimal?
An easy-to-remember equation for finding change in elevation as a decimal is “rise over run,” meaning the rise (the change in vertical distance) divided by the run (the change in horizontal distance). As an example, let’s say the rise is 2 and the run is 6. So, you’d take 2 over 6 (or 2/6) to get .33 – that’s your grade as a decimal.
How to use transit level?
Transit levels can be used to help you figure out the angle created by a set of three objects, and the distance between each object relative to the other two.