WJA Training
WJA Drain and Sewer Cleaning Module (DS)
Candidates will learn the safe operation of jetting equipment for use in drain and sewer cleaning environments
Water Jetting Association (WJA)
Drain and Sewer Cleaning Module (DS)
We offer classroom based tuition with practical instruction for the safe and efficient use of high-pressure water jetting equipment for various types of drain and sewer cleaning applications.
Whether it’s to clear blockages, scale, or debris, the WJA Drain and Sewer Cleaning Module has you covered. The WJA Drain and Sewer Cleaning training module provides a thorough understanding of high pressure water jetting equipment, its safe and effective use, as well as various types of drain and sewer cleaning techniques.
The course takes you from start to finish in drain and sewer cleaning, with a focus on safety, operator productivity, and environmental impact.
The course is designed to deliver the knowledge and skills required to safely clean drains and sewers with high pressure water jetting equipment.
Key features of WJA Drain & Sewer Cleaning Module
01.
One Half Day Contact Time
02.
Classroom and Practical Elements
03.
Receive an Operational Jetting Card
Benefits of WJA Training
Safety
Candidates will gain a greater understanding of the dangers and safety requirements of drain and sewer cleaning.
Hands On
Candidates will gain hands on time with the kind of jetting equipment commonly used in drain and sewer cleaning applications as well as carry out some cleaning operations.
Proficiency
Candidates will gain a deeper understanding of the jetting principles increasing their ability to carry out drain and sewer cleaning tasks.
Development
Candidates who successfully complete the course gain a City and Guilds approved certificate and photo card showing their credentials.
WJA DRAIN & SEWER JETTING APPLICATION COURSE CONTENT
Registration & Introduction
Review of Key Safety Awareness Issues
Nozzles & jets – pumps &ancillaries- pressure controls- water jetting hose – hazards & injuries – PE – operational procedures.
Applications & Machines
Scope of drain & sewer cleaning applications; other pipeline systems. Range of cleaning requirements and standards. Range of jetting machines suitable for drain & sewer cleaning.
Jetting Equipment - Nozzles & Ancillaries
Review nozzle principles – fixed jet nozzles, rotating nozzles, life & wear characteristics, driven rotating nozzles, associated ancillary equipment.
Jetting Equipment - Water Jetting Hose
Hose used in drain & sewer applications, damage & wear possibilities, hose ancillaries. capabilities.
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.
Job Assessment & Planning
Information & assessment – site location, access to & layout of pipeline; construction material & nature of contaminants – initial condition and required finished condition; water provision, waste disposal, hazards. Selection of equipment & manning levels – jetting machine/nozzles/accessories, number and duties of operators; single person operation. Determine job method based on safe system of work.
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 PE. 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, prep for nozzle entry, proceed with operation. Rotate team members through duties. Review at each rotation and final review.
Disconnect equipment & clear site.
Summary
Review of course content as above, with opportunity for further discussion prior to Questionnaire.
WJA MODULES
Adding WJA Modules to WJA Safety Awareness will give jetters operational status in one or more of these areas of specialism.
Surface Preparation (SP)
Clear floor areas, strip coatings, remove graffiti, and clean industrial equipment the WJA Surface Preparation and Cleaning Module
Tube & Pipe Cleaning (TP)
Learn to safely and effectively clean tube bundles and pipework with the WJA Tube and Pipe Cleaning Module
Hydrodemolition (HD)
Recognise the safety considerations and the benfits of hydrodemolition processes in the WJA Hydrodemolition Module