Water Jet Training carry out safety awareness, drain and sewer, surface preparation and pressure washer training on behalf of the water jetting association.
All our courses are city and guilds accredited and last for three years in which time additional modules can be added to your water jetting association card.
All courses are city and guilds accredited and last for three years. Once completed our certification and ID cards are available digitally within 21 days and have all course materials accessible 24 hours a day whilst using the water jetting association App.
City & guilds accredited course based around the safe use of high pressure water.
Designed for the inexperienced operative to senior management.
Please see below a summary of what is covered on this course:
1. REGISTRATION & INTRODUCTION
2. APPLICATIONS & MACHINES:
Cleaning & surface preparation – surfaces / drain & sewers / pipes / tubes. Jet cutting – precision and volume removal. Effect of varying pressure / flow at the nozzle. Range of jetting machines, configurations & categories (Pressure Washers / General Purpose / Medium-Heavy Duty / UHP / Drain & Sewer Jetters).
3. LEGISLATION & THE WJA CODES OF PRACTICE:
Health & Safety at Work Act. WJA Codes of Practice, status, use & recognition by the Health and Safety Executive (HSE). Management Regulations – Risk Assessment, PPE at Work Regulations, COSHH. Employer/ Employee responsibilities. Enforcement Powers. Other relevant legislation – e.g. Environmental Protection Act, Control of Pollution Act.
4. JETTING EQUIPMENT – NOZZLES:
Jet principles – purpose of nozzles, power of water jet, jet pressure/flow characteristics, jet reaction force. Types of nozzle – forward facing, fixed & spinning jets, multi-jet fixed & jet spinning nozzles.
5. JETTING EQUIPMENT – PUMPS:
Pump configuration – standard piston ~ plunger pump, positive displacement action, operating features, effects of blockages, variation of plunger sizes. Other pump configurations, diaphragm and intensifier types. Drive arrangements, engine / electric motor, hazardous area equipment Water supply/delivery features – filtration requirements, boost feed pumps, pulsation dampeners, jump-jet. Pressure safety relief options – relief valve / bursting disc. Pressure gauge features.
6. JETTING EQUIPMENT – PRESSURE CONTROLS:
Dump & dry shut controls, fail-safe / selector versions, direct manual operation / remote operation via electric-pneumatic-hydraulic controls, automatic unloader valve for dry shut, pressure regulators, automatic off-load engine speed control systems.
7. JETTING EQUIPMENT – HIGH PRESSURE HOSE:
Hose construction & pressure ratings, external & internal damage possibilities, hazards arising from damaged hoses, inspection requirements. Hose end fittings, construction / assembly / testing. Connectors & hose end couplings – types & features. Bore size & flow ratings. Hose for general / high flow / small bore tube & pipe cleaning. Pressure drop due to flow through hose & lances – effect on pressure available at the nozzle.
8. WATER JETTING HAZARDS:
Hazards arising – directly from the water jet – from operational regime – from site environment.
9. WATER JETTING INJURIES:
Effects of impact by high pressure water jet, nature of internal injuries caused, action in event of a jetting injury -awareness of possible absence of visual injury & use of WJA Medical Card.
10. PERSONAL PROTECTIVE EQUIPMENT:
General principles regarding use of PPE, as a last resort. Main body protection – limits on effectiveness against direct impact of water jet. Protection of head / hands / feet / hearing / respiration. Particular requirements when using UHP.
11. OPERATIONAL PROCEDURES:
Routine care & inspection, site preparations, preparations for operation, team operation. Safety points during operation – use of manual jetting gun/lance, tube/pipe/drain cleaning nozzle/lance/hose combinations & techniques. Safe use of non-standard equipment – e.g. tee nozzle. Site shutdown & antifreeze procedures. Use of Do/Do Not Guide.
12. SUMMARY:
Review of course content as above, with opportunity for any further discussion before Questionnaire.
Please see below a summary of what is covered on this course:
1. REGISTRATION & INTRODUCTION
2. REVIEW KEY SAFETY AWARENESS ISSUES
Nozzles & Jets, Pumps & Ancillaries, Pressure Controls, High Pressure Hose, Hazards & Injuries, Personal Protective Equipment, Operational Procedures.
3. APPLICATIONS & MACHINES:
Scope of drain & sewer cleaning applications; other pipeline systems. Range of cleaning requirements & standards. Range of Jetting Machines suitable for drain & sewer cleaning.
4. JETTING EQUIPMENT – NOZZLES & ANCILLARIES:
Review nozzle principles – fixed jet nozzles, rotating nozzles, life & wear characteristics, driven rotating nozzles, associated ancillary equipment.
5. JETTING EQUIPMENT – HIGH PRESSURE HOSE:
Hose used in drain & sewer applications, damage & wear possibilities; hose ancillaries. Bore size & flow capabilities.
6. JETTING EQUIPMENT – MACHINES:
Range of jetting machines used, engine controls & instruments. Pump pressure controls, review dump/dry shut & selector / fail safe types, pressure safety relief. Water supply/delivery features – filtration requirements, boost feed pumps, built-in anti-freeze provisions.
7. JOB ASSESSMENT & PLANNING:
Information & assessment – site location, access to & layout of pipeline; construction material & nature of contaminants – initial condition and require finished condition; water provision, waste disposal, hazards. Selection of equipment & manning levels – jetting machine / nozzles / accessories, number & duties of operators, single person operation. Determine job method, based on safe system of work.
8. OPERATIONAL PROCEDURES
Daily checks – manufacturer’s instructions, other items requiring regular checks. Setting-up – permits / authorisations, barriers & warning signs, positioning of machine & equipment, team duties & signals, flushing, leaks check, preparation for entry of nozzle. Nozzle entry & advance into pipe; control & monitoring during cleaning, debris extraction, standard of finish. Release of hose if trapped by debris; removal of nozzle on completion. Job completion – client inspection, waste removal, equipment decontamination, return site to safe condition.
9. PRACTICAL EXERCISES:
Jetting machine & equipment – review features, and demonstrate daily checks, start / run / stop. Job assessment – review & discuss, site location & constraints, accessibility, pipeline layout & features. Pipe construction, nature of contamination, required finishing condition. Water supply, effluent drainage & waste disposal. Hazards & use of PPE. Discussion of options, agree job method.
Site preparation – setting up work area. Team talk – review job method, signal, set up team(s). Position jetting machine, layout & check equipment. Demonstrate all procedures to full group. For all teams, instruct each operator in each duty. Trainees carry out exercise, each team following instructions to set up, flush, check for leaks, prep for nozzle entry, proceed with operation. Rotate team members through duties. Review at each rotation and final review. Disconnect equipment & clear site.
10. SUMMARY:
Review of course content as above, with opportunity for any further discussion before Questionnaire.
Please see below a summary of what is covered on this course:
WJA – SURFACE CLEANING & PREPARATION COURSE
1 REGISTRATION & INTRODUCTION
2 REVIEW KEY SAFETY AWARENESS ISSUES (include only when presented as a ‘Stand-Alone’ Course). Nozzles & jets – pumps & ancillaries – pressure controls – water jetting hose – hazards & Injuries – PPE – operational procedures
.
3 APPLICATIONS & MACHINES:
Scope of surface cleaning & preparation applications. Range of tasks, and differentiation between surface cleaning & surface preparation. Range of jetting machines suitable for surface cleaning / preparation.
4 JETTING EQUIPMENT – NOZZLES & ANCILLARIES:
Review nozzle principles – fixed jet nozzles, rotating nozzles, life & wear characteristics, associated ancillary equipment including automatic, semi automatic & wet abrasive blasting.
5 JETTING EQUIPMENT – HIGH PRESSURE HOSE:
Hose used in surface cleaning & preparation applications, damage & wear possibilities, hose ancillaries. Review bore size & flow ratings.
6 JETTING EQUIPMENT – MACHINES:
Range of jetting machines used – engine controls & instruments. Pump pressure controls, review dump / dry shut & selector / fail safe types, auto engine speed control systems, pressure safety relief.
Water supply / delivery features – filtration requirements, boost feed pumps, built-in anti freeze provisions.
7 JOB ASSESSMENT & PLANNING:
Information & assessment – site location, access to work area, surface to be cleaned & layout; base material & contaminants – initial condition and required finished condition; water provision, waste disposal, hazards. Selection of equipment & manning levels – jetting machine / nozzles / accessories, number & duties of operators, single person operation. Determine job method, based on safe system of work.
8 OPERATIONAL PROCEDURES:
Daily checks – manufacturer’s instructions, other items requiring regular checks.
Setting up – permits / authorisations, barriers & warning signs, positioning of machine & equipment, team duties & signals, flushing, leaks check, trial run. Monitoring of operation – flying debris, waste contamination, work standard. Job completion – client inspection, waste removal, equipment decontamination, return site to safe condition.
9 PRACTICAL EXERCISES:
Jetting machine & equipment – review features and demonstrate daily checks, start / run / stop.
Job assessment – review & discuss – site location & constraints, accessibility, screening / extraction requirements. Work surface – nature of contamination, work to be carried out & standard of finish. Water supply, effluent drainage. Hazards & use of PPE. Discussion of options, agree job method.
Site preparation – setting up work area. Team talk – review job method, signals, set up team(s). Positioning of jetting machine, layout & check equipment. Demonstrate all procedures to full group. For all teams, instruct each operator in each duty. Trainees carry out exercise – each team following instructions to set up, flush, check for leaks, carry out trial run, proceed with operation. Rotate team members through duties. Review at each rotation and final review. Disconnect equipment & clear site.
10 SUMMARY:
Review of course content as above, with opportunity for further discussion prior to questionnaire.
THE STAND ALONE ONE DAY CITY AND GUILDS COURSE
Please see below a summary of what is covered on this course:
1. REGISTRATION & INTRODUCTION
2. APPLICATIONS & MACHINES:
Effect of varying pressure/flow at the nozzle – range of jetting machines – configurations & categories (pressure washers)
3. LEGISLATION & THE WJA CODES OF PRACTICE:
Health & Safety at Work Act – WJA Codes of Practice – status, use and recognition by the HSE Management Regulations – Risk Assessment – PPE at Work Regulations – COSHH – Employer/Emplyee responsibilities – Enforcement Powers – other relevant legislation e.g. Environmental Protection Act / control of Pollution Act. Confined Spaces entry Requirements.
4. NOZZLES:
Jet principles – purpose of nozzles – power of water jet – jet pressure/flow characteristic – jet reaction force. Types of nozzle – forward facing, fixed & spinning jets, multi-jet fixed & spinning nozzles.
5. PUMPS:
Pump configuration – standard piston/plunger pump, positive displacement action, operating features, effects of blockages, variation of plunger sizes. Other pump configurations – diaphragm and intensifier types. Drive arrangements – engine/electric motor, hazardous area equipment. Water supply/delivery features – filtration equipment, boost feed pumps, pulsation dampers, jump-jet. Pressure safety relief options – relief valve/bursting disc. Pressure gauge features.
6. PRESSURE CONTROLS:
Dump & dry shut controls – fail-safe/selector versions, direct manual operation/remote operation via electric-pneumatic-hydraulic controls, automatic unloader valve for dry shut, pressure regulators and automatic off-load engine speed control systems.
7. WATER JETTING HOSE:
Hose construction & pressure ratings, external & internal damage possibilities, hazards arising from damaged hoses, inspection requirements. Hose end fittings, construction/assembly/testing. Connectors & hose end couplings – types & features. Bore size & flow ratings. Hose for general/high flow/small bore tube & pipe cleaning. Pressure drop due to flow through hose & lances – effect on pressure available at the nozzle.
8. HAZARDS:
Hazards arising directly from the water jet – from operational regime – from site environment.
9. INJURIES:
Effects of impact by high pressure water jet – nature of internal injuries caused – action in event of a jetting injury – awareness of possible absence of visual injury & use of WJA Medical Card.
10, PERSONAL PROTECTIVE EQUIPMENT:
General principles regarding use of PPE, as a last resort; Main body protection – limits on effectiveness against direct impact of water jet. Protection of head, hands, feet, hearing, respiration.
11. OPERATIONAL PROCEDURES:
Routine care & inspection – site preparations – preparations for operation – team operation. Safety ponts during operations – use of manual jetting gun, tube/pipe/drain cleaning nozzle/hose combinations & techniques. Safe use of non-standard equipment e.g. tee nozzle. Site shutdown & anti freeze procedures. Use of DO/DO NOT GUIDE.
12. SUMMARY:
Review of course content as above – with opportunity for any further discussion before Questionnaire.
below are frequently asked questions. If there is any additional information you require please feel free to email or call us.
We are more than happy for you to visit us when courses are not being carried out. Please give us a call to arrange a time and date which is suitable.
Yes. we offer bespoke courses at your place of work. Our trainers will travel with all course materials and training aids. As long as you have an appropriate training space we can deliver the courses to you.
Any course booked has to be paid for in full at the time of booking.