High Pressure Water Jetting - Drain & Sewer Cleaning

Applications & Machines Cleaning & surface preparation Jet cutting - precision and volume removal Legislation & the WJA codes of practice Health & Safety at Work Act WJA codes of practice Jetting equipment - Nozzles Jet principles Types of nozzle Jetting equipment - Pumps Pump configuration Water supply/delivery features Pressure safety release options Jetting equipment - Pressure Controls Dump & dry shut controls Pressure regulators Jetting equipment - High Pressure Hose Hose construction & pressure ratings Hose end fittings Connectors and hose end couplings Water jetting hazards Directly from the water jet Hose end fittings Water jetting injuries Effects of impact by high pressure water jet Use of WJA medical card Operational procedures Routine care & inspection Safety points during operation Applications & Machines Scope of drain & sewer cleaning applications Range of cleaning requirements & standards Jetting Equipment - Nozzles & Ancillaries Review nozzle principles Jetting Equipment - High Pressure Hose Hose used in drain & sewer applications Bore size & flow capabilities Jetting Equipment - Machines Range of jetting machines used Pump pressure controls Water supply/delivery features Job Assessment & Planning Information & assessment Selection of equipment & manning levels safe system of work Operational Procedures Daily checks Setting-up Nozzle entry & advance into pipe Practical Exercises Jetting machine & equipment Job assessment Discussion of options