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Safe Horizontal Clearance (SHC)

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

RDF: shc.ttl

Name

safeHorizontalClearance

Datatype

Real

Definition

Minimum safe horizontal distance between adjacent structures on either side of a navigable channel.

Accepted

2013-10-18

Defined by

DFDD

Physical quantity

length

Recommended unit

Metre (m)

Used by

• AQ090 Entrance and/or Exit
• BH010 Aqueduct
• BH030 Ditch
• BI030 Lock
• BI006 Ship Elevator
• BH140 River
• BI045 Basin Gate
• BH020 Canal
• AQ059 Transportation Route Characteristic Change
• AL211 Transportation Route Protection Structure
• AQ130 Tunnel

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