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PDFWAC 332-130-080

Relative accuracy—Principles.

The following principles of relative accuracy are provided to guide those who may be analyzing their work by these procedures.
(1) Relative accuracy means the theoretical uncertainty in the location of any point or corner relative to other points or corners set, found, reestablished, or established. A standard of relative accuracy can be achieved by using appropriate equipment and implementing field and office procedures that will result in a ninety-five percent probability of achieving the accuracy required.
(2) Relative accuracy is not related to uncertainties due to differences between measured values and record values or uncertainties in the geodetic position.
(3) In the application of a relative accuracy standard, the surveyor must consider the established land use patterns, land values of and in the vicinity of the surveyed parcel, and the client's intended use of the property. Higher levels of precision are expected to be used in situations necessitating higher accuracy.
(4) Each land boundary survey should contain a statement identifying the method of mathematical analysis used in achieving a stated relative accuracy.
[Statutory Authority: RCW 58.24.040(1). WSR 90-06-028 (Order 568), § 332-130-080, filed 3/1/90, effective 4/1/90; WSR 89-11-028 (Order 561), § 332-130-080, filed 5/11/89; Order 275, § 332-130-080, filed 5/2/77.]
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