- Ensure all jetting operatives are trained on high-pressure water equipment
- Wear full PPE including waterproofs, face shield, gloves, and safety boots
- Depressurise the system before connecting, disconnecting, or adjusting nozzles
- Assess each manhole for confined space hazards before opening for jetting
- Deploy traffic management where jetting takes place near live roads or footways
- Keep bystanders and other workers outside the exclusion zone during jetting
- Secure the jetting hose to prevent whip if the nozzle snags in the pipe
- Wash hands and face thoroughly before eating, drinking, or smoking
- Ensure vaccinations for hepatitis A and tetanus are current before starting work
- Position the jetting vehicle on firm ground with stabilisers fully deployed
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- DON'T point the jetting nozzle towards yourself or other people at any time
- DON'T work on pressurised hose connections — always depressurise first
- DON'T enter manholes for jetting without confined space assessment and controls
- DON'T ignore hose movement or vibration — it may indicate a developing snag
- DON'T operate jetting equipment without hearing protection in place
- DON'T touch your face, eat, or drink before decontaminating after drain work
- DON'T allow members of the public near the jetting operation or open manholes
- DON'T jet into sealed sections without confirming pressure can vent safely
- DON'T use damaged hoses or fittings — they can burst under high pressure
- DON'T leave open manholes unattended and unguarded during the operation
See also: Below Ground Drainage Installation | Manholes and Chambers
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