Surveying & Geomatics
Intermediate

Relative Precision

Closure error expressed as a fraction of the traverse perimeter.

Formula

RP=EPRP = \frac{E}{P}

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Variables

RPRelative precision
EClosure error
PPerimeter length

Example

E=0.5 m, P=1000 m: RP = 1/2000

Did You Know?

A precision of 1/5000 or better is typically demanded for boundary surveys.

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