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Benchmark (CPA_1)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: cpa_1.ttl

Name

benchmark

Attribute

CPA Survey Control Point Type

Definition

A permanent, stable object containing a marked point of known elevation with respect to a datum used as a reference level for tidal observations or as a control point for levelling.

Accepted

2016-06-08

Defined by

DFDD

Allowed for

• ZB050 Survey Point

RWOI terms naming it

• RWO_04668 Benchmark Control Point

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.