Frequently Asked Questions. GR10000ICF Inches • cut/fill only. How to Read an Engineer's Grade Rod. Laserline GR1450 Series Direct Reading Grade Rod - 15ft or 5 meter reading. Build off a Grade Plan with Ease. When you are adding and subtracting measurements on a builder's rod, it is necessary to convert the fractions into the lowest common denominator. Remember to convert the fractions into their LCD (lowest common denomenator) to make computations easier. Traditionally, leveling rods come in one piece or adjustable telescoping segments and can be made of a variety of materials like wood, plastic, or aluminum. The builder's rod, also known as an architect's rod, is very similar to the engineer's rod.
Carrying Case (Model 1000-1301) is sold separately. The cross point on the target is the area where the colors meet in the center. SECO classifies their leveling rods in groups determined by their shape. How to Read a Direct Reading Grade Rod. Customers who bought this item also bought.
HOW TO READ CUT & FILL. When using a rod target, the operator must move the target up or down the rod until the cross point of the target is aligned with the crosshairs on the level's telescope. Leaving a Grade Rod on the ground or against a wall may cause serious damages. Both have a 5/8" x 11 female thread on the top to attach a prism. SECO's offerings include: Eighths - might also be called Inches. The distance between the hundredths is painted black on a white background.
Protects the tape numbers from wear and fading. Lower section: the back of the rod. The elevation of the benchmark is used as a prefix number. How to Use a Direct Elevation Rod. I have also heard the leveling rod referred to as an Engineer's Rod. Some leveling rods have powder coatings to protect their graduations against the harsh elements in outdoor settings, while others have graduations that are engraved by laser beams. The main thing that sets grade rods apart from other measuring devices is their ability to come in different lengths and thicknesses, depending on your preferences and needs. Inches are marked by black numbers. FEET, TENTHS AND HUNDREDTHS. Its tape lock grommets made of brass are oversized to prevent the tape from tearing. TOUGH - LIGHTWEIGHT - VERSATILE. Vectors Inc. recently added LaserLine brand direct reading rods to our inventory. Grade Rods are delicate instruments.
SECO's only catalog reference to a Philly rod is metric. How to Buy and Use a Grade Rod. The tape lock pin is safe and will not puncture or rip the tape when pushed against it. It will be either high quality (A Grade), or not so great quality (B Grade). If there is not a bulls-eye level attached to the rod, you can make sure its plumb by lining it up with the vertical crosshair of the telescope on the instrument being used. Common Types of Grade Rods. Catch Basin #12 2349. In surveying, determining the elevations or differences in heights can significantly help when leveling, establishing grades, or excavating. Grade Rods can be used with surveyor, optical and laser levels. From then on, every elevation reading around the job site can be read directly through your optical level. DuPont nylon parts: Tough and rugged for long-lasting life. Tape lock pin cannot puncture tape: Designed not to tear, puncture or rip tape when pushed against tape face instead of the grommet hole.
When using a leveling instrument with a rod target, the readings can only be exacted to 1/100'. You are using the last whole number and the decimal numbers of 2, 525. Laser Version Direct Reading/True Elevation Rod: For use with a laser detector. Because crossings with very tall embankments cannot be measured using a grade rod (even a fully extended one) and hand level, we have taken elevations using an "artificial" eye height through the structure to an observer with a grade rod on the other side. For use with a laser detector. Explain about each component used in a grade rod. Roll the tape until the laser detector pointer is at zero (between the blue and red sections).
Grade Rods can have adjustable segments or be constructed of a single piece of material. Existing grade is too HIGH. By Mike Wu on Mar 14, 2022. Ie, if you have a rod that has five sections, be sure to extend the first two sections at the bottom of the rod first, then work your way up to the top of the rod). That way, when your project goes out further than anticipated, it won't throw off your measurements if you can connect some more rod and still get accurate results. Tough, lightweight, and versatile, these direct reading (lenker style) laser rods bear the true test of quality in the field, and hold up exceptionally well. If you are using a rod that extends in sections, be sure to extend from the bottom up. You can extend any rod at any time by simply connecting an additional length of rod to it through either its upper end (with universal types) or bottom end (for butt types). A Footing Elevation 2351. Always collapse the Grade Rod before transporting it and never drag the instrument.
Grad Measurement||Feet Inches|. View/Download Laser Line Direct Reading Rod brochure. Solid tape lock with internal brake slide. Lower numbers on top. This is much more challenging and time consuming than the decimal system used with engineer's levels. That means there are different ways to read these survey rods. Readings because it takes the awkwardness. 4-Foot Rod Extension: Allows you to extend the GR1000 Series Direct Reading Grade Rods in 1-foot increments up to 4 additional feet. Are used with optical instruments and have.
This section is marked either in the decimal form of feet, tenths and hundredths of a foot or in feet, inches and fractions.