Strainer (SNR)

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

Name

strainer

Datatype

Boolean

Definition

An indication that an entity poses a hazard to water-borne movement by blocking the passage of larger objects whilst permitting the free flow of water to continue.

Description

These objects can be very dangerous, because the force of the water will pin an object or body against the strainer and then pile up, pushing it down under water. Strainers are formed by many different objects, for example: storm grates over tunnels, trees that have fallen into a river (a 'log jam'), bushes by the side of the river that are flooded during high water, and reinforcing bars from broken concrete.

Accepted

2013-10-18

Defined by

DFDD

Used by

BD140 Snag