Glossary

Name Acronym Description
Rake hoe

A hand tool that includes a double-sided head that combines a rake on one side and a hoe on the other

Ram air turbine RAT

A small turbine that is connected to a hydraulic pump, or electrical generator, installed in an aircraft and used as a power source

Re-entrants

A small valley in a hillside, the centre of which would collect water and funnel it downhill, for example if there is heavy rain.

Refuse derived fuel RDF

Fuel produced from domestic and business waste, which includes biodegradable material as well as plastics. Non-combustible materials such as glass and metals are removed, and the residual material is then shredded. Refuse derived fuel is used to generate energy at recovery facilities, where they produce electricity and hot water.

Remediation

Environmental remediation deals with the removal of pollution or contaminants from soil, groundwater, sediment, surface water or similar, for the general protection of human health and the environment.

Rescue system

Enables a user to rescue themselves or others and prevents a free fall.

Roll over protection system ROPS

Active roll over devices can be found in convertible cars, 4×4 and utility vehicles, tractors, industrial vehicles and military vehicles. They are designed to protect vehicle occupants in the event that the vehicle overturns or rolls over. These can operate with explosive force away from the bodywork of the vehicle.

Rope access

Enables the user to get to and from the workplace in tension or suspension in such a way that a free fall is prevented or arrested; often used by specialist rescue teams that are trained to a higher level.

Run at caution

Operating rail vehicles at a reduced speed due to an incident on or near the railway, to enable the driver to be able to stop safely if required.

Running rails

The tracks that rail vehicle wheels are guided along, made from lengths of steel that are welded together. Some tracks have a third rail or fourth rail that provides electric power to a rail vehicle through a conductor placed alongside the tracks.

Rural-urban interface

The point at which rural land transitions into urban villages or towns.

Saddles

Identified as a curvature in the landscape formed between two areas of higher ground.

Safe air

An atmosphere that will not cause respiratory discomfort or injury.

Safety data sheet SDS

Provide information on chemical products that help users of those chemicals to make a risk assessment. They describe the hazards the chemical presents, and give information on handling, storage and emergency measures in case of accident.

Safety jet

Delivery hose deployed by personnel to protect committed crews and access and egress routes.

Salvor

A person engaged in the salvage of a vessel or items lost at sea.

Scene access control point

Controlled point through which essential people gain access to or from the inner cordon; this should include logging those people’s movements.

Scene evidence recovery manager

A police officer who manages and co-ordinates the scene of a mass fatality incident.

Scoop stretcher

A type of stretcher that can be split vertically into two parts, with shaped blades that can be brought together and secured underneath a casualty.

Scupper

A drain that is designed to allow water to flow out of a vessel while preventing debris from coming in.

Secondary decontamination

Further off-site decontamination that may involve washing, scrubbing, thermal treatment and airing.

Secondary device

A second destructive device designed to harm bystanders or responders following an initial attack.

Secure information boxes
Suitably secure information boxes in or on a tall building. Boxes should contain:
  • Responsible person UK contact details
  • The UK contact details of any other person who has the facilities to and is permitted to access the building as the responsible person considers appropriate
  • Copies of the building’s floor plans – which identify specified key firefighting equipment
  • A single page block plan – which identifies specified key firefighting equipment
Security device

A wide range of fittings that may be fitted to residential and business premises, including security doors, bars, shutters, locks and bolts. This could include self-locking features.

Senior investigating officer

A police officer in charge of an ongoing major police investigation.