Reading A Grade Rod Construction

A builder s rod for example is marked the same way as a tape measure with tick marks for feet inches and inch fractions.

Reading a grade rod construction.

An alternative topographer s rod has the graduations numbered upwards from the base. Grade rods are tools used to measure a change in elevation. Instead of moving the rod from the turning point the instrument is moved to a new location. It also works as a tool where rotary lasers and detectors are used in measuring elevations.

Caring for a grade rod. Stadia rods or staffs. Commonly constructed from wood plastic or aluminum grade rods are available in a variety of sizes and units of measurements. The instrument is then leveled and adjustments are made to correctly make new measurements.

Aluminum grade rod for excavating jobs including basements and more. The cut and fill feature is typically used on new job sites that are being prepared for grading. This rod features easy to read measurements including inches feet and metric graduations for your convenience. The site is balanced by moving dirt from high areas and placing it in low areas according to the engineer s construction plans.

A direct reading from the grade rod is used to determine the elevation of the turning point. Learn how to read a leveling rod marked in decimal feet. The laserline gr1450 15 direct reading laser grade rod cut fill is a direct reading rod with cut and fill applications. When placed at any point where the level is to be read the value seen is the height above or below the viewer s position.