using a minimum and maximum range of hours for each major job
function and the successful demonstration of identified competencies.
Hydro Blaster/Vacuum Technician
USDOL
Work Process Content
On the Job Training
Health and Safety Awareness
17
- Don (put on), doff (remove), inspect, and maintain the proper PPE that should be worn during hydroblasting/vacuuming including, but not limited to: Head, Face, Eyes, Ears, Hands, Body, Feet, Respiratory
- Attend pre-job safety meetings
- Adhere to site specific safety rules and federal regulations
- Observe Vessel Entry/Confined Space regulations
- Read and understand MSDS
- Maintain the recommended operating pressure of the job scope
- Establish and maintain a safe working perimeter
- Mechanical System Safety
- Electrical System Safety
- Pump Safety
- Fitting Safety
- Hose Safety
- Surface Cleaning
- Tube Cleaning
- Lance Safety
- Vehicle Safety
- Administer the proper medical procedures associated with hydroblasting/vacuuming injuries.
Introduction to the Hydroblasting Trade
8
- Identify and explain the basic terminology used in the hydroblasting trade.
- Apply the concepts of pressure, flow rate, and velocity as they pertain to the hydroblasting trade.
- Set-up, operation, delivery, and shut-down
- Roles and responsibilities of the hydroblasting team.
- Low Pressure Water Washing
- High Pressure Water Washing
- High Pressure Hydroblasting
- Ultra High Pressure Hydroblasting
Hydroblasting Equipment
28
- Power (Drive) Units
- Diesel
- Gas
- Propane, etc.
- Pumps
- Crankshaft (power end)
- Piston (fluid end)
- Dump Valve
- Changeover Valve
- Relief Valve
- Hoses
- Feed Hose
- Lead Hose
- Work Hose
- Guns
- Dump
- Dry Shut-off
- Lance (Flex and Rigid)
- Nozzles
- Rotating
- Non-Rotating
- Fan or zero-degree
- Self-propelled or air-propelled
- Single orifice
- Multiple orifice, up to 5 tips
- Perform daily inspections to insure safe operation of hydroblasting equipment.
- Apply the operational productivity procedures identified by industry standards.
- Identify potentially hazardous chemicals, materials and conditions and the requirements for loading and unloading the truck.
Hydroblasting Techniques
22
- Recognize an example of a preservice and operational checklist for high pressure water cleaning.
- Pre-job Planning
- Area Limits
- Hook-up
- Start up
- Operational Check
- Tightening and Adjusting Components
- Equipment Malfunction
- Reaction Force
- Operating Pressure and Orifice Selection
- Effect of Pressure Change
- Operator Position
- Use of Balanced Nozzle Orifices
- Procedures for Entering the Working Area
- Additional Protection
- Protective Equipment
- Pressurizing the System
- Shotgunning
- Line Moleing
- Flex Lancing
- Rigid Lancing
- Stationary Oscillating Head
Hydroblasting Maintenance
21
- Power (Drive) Unit
- Pressure Pump
- Water Inlet, Reservoir, and Booster Pumps
- Filters and Strainers
- Hose Assemblies
- Nozzles
- Guns
- Lance Connections
- Trigger and Valve Controls
- Foot Control Valves
- Electrical Equipment
- Electrical boxes
- Connections
- Switches
- Cables, and
- Fittings
- Rupture (Bursting) Discs
- Trailers
- Use only the tools and parts recommended by the manufacturer for assembling and disassembling high pressure components.
- Inspect all components of a high pressure water jet system to make sure they are of the correct size, thread, and pressure rating for the use intended (Compatibility).
- Adhere to the manufacturer’s recommendations for circulating antifreeze through the system’s water lines.
Vacuum Technician Techniques
50
- Identify and explain the basic terminology used in the Vacuum Truck Technician trade.
- Hoses are properly routed
- Safety Tees are properly installed
- Vacuum equipment is working properly
- Vehicle is properly grounded
- Work areas are properly barricaded
- Apply the concepts of pressure and vacuum as they pertain to the vacuuming trade.
- Technician Control Panel
- Vacuum Pump
- Primary Shut-Off Trap
- Secondary Moisture Trap
- Oil Catch Muffler
- Manway (Access Panel)
- Vacuum Relief Valve
- Pressure Relief Valve
- Pressure/Vacuum Gauge
- Oil Reservoir
- Pre-filter
- Oil Separator
- Silencer
- Exhaust Interceptor
- Vacuum Tank (Carbon Steel, Aluminum, and Stainless Steel).
- Dry Vacuum Truck
- Wet Vacuum Truck
- Combination (Dry/Wet) Vacuum Truck
- Hydro Excavator
- Planning
- Checklists
- Hoses, Pipes, and Fittings Preparation
- Electrical Equipment Preparation and Safety
- Grounding
- Review of MSDS
- Starting the Truck Engine
- Driving the Truck
- Field Set-up
- Position Hose and Safety Tee
- Test Equipment and Safety Devices
- Vacuum Loading Procedures
- Material Disposal (including transporting materials)
- Truck Mechanical Requirements
- Gross Vehicle Weight Rating (GVWR)
- Personnel Proximity to Truck
- Liquid Vacuum Truck Safety
- Overhead Obstacles
- Underground Issues
- Uneven/Unstable Ground Conditions
- Pedestrians
- Higher Center of Gravity
- Parking
- Dumping of Truck Contents
Vacuum Technician Maintenance
15
- Pre-Operational
- Planning
- Company Provided Checklists
- Inspect Vehicles
- Obtain and Inspect Tools and Equipment are in proper working condition
- Obtain and Inspect PPE
- Operational
- Proper shut-down procedures
- Gather all tools and equipment
- Clean all tools and equipment
- Clean up project work site
- Inspect vehicles prior to return trip
- Closeout all project paperwork
- Identify the proper use of tools and equipment for repairing vacuum truck equipment.
- Recognize when the vacuum truck equipment is in need of maintenance and notify the appropriate supervisor.
C.D.L Class B with HAZMAT Endorsement
9
- Pre-trip (checklists)
- On the road
- Post-trip vehicle and equipment inspections (checklists)
- Demonstrate basic operating skills of a commercial vehicle.
- Successfully pass the State Department of Motor Vehicles Examination for a C.D.L. Class B with Hazmat Endorsement.
- Identify and explain the safety procedures; alcohol and drug effects; laws and penalties that are applicable to the commercial driver.
- Demonstrate at a proficient level with regard to performing pre-trip, on the road, and post-trip vehicle and equipment inspections and sliding fifth-wheels and tandems.
- Demonstrate the ability to be skillful in safe driving techniques.
- Demonstrate proficient skills in map reading, trip planning, maintaining a log book, cargo documentation, coupling and uncoupling, and be aware of emergency responsibilities and regulations of transportation agencies.
Related Instruction Content
Training Provider(s):
Core Curriculum
96
Health and Safety Awareness
16
List the proper PPE that should be worn during hydroblasting. Recognize unsafe jobsite conditions. Explain the importance of maintaining and using equipment safely. Identify the nature of hydroblasting injuries. Identify the proper medical procedures associated with hydroblasting injuries. Define the key terms relating to Hazardous Waste. Explain the operations that are covered by the HAZWOPER standard (the scope of the standard). Compare and contrast the characteristics of a confined space with those of a permit required confined space. Identify 29 CFR 1910.146 as OSHA’s General Industry Confined Spaces Rule. Describe the qualifications of a competent Aerial/Scissor Lift Operator. Classify environmental hazards and related safety precautions, including fall protection, for aerial/scissor lift operations. Describe the responsibilities, warning and instructions of the operator when working on an aerial platform. Identify types of scissor lifts; their components and operations.
Introduction to Hydroblasting Trade
16
Explain the concepts of pressure, flow rate, and velocity as they pertain to the hydroblasting trade. Explain the historical significance of the hydroblasting trade. Define hydroblasting and recognize the four categories of hydroblasting. Identify the applications in which hydroblasting is used. Determine the advantages and limitations of hydroblasting. Identify and explain the basic terminology used in the hydroblasting trade.
Hydroblasting Equipment
24
Identify the various components of the hydroblasting system. Perform daily inspections to identify problems with equipment. Apply the operational productivity procedures identified by industry standards.
Hydroblasting Techniques
24
Recognize an example of a pre-service and operational checklist for high pressure water cleaning. List and demonstrate, in the correct order, the pre-operating procedures used in hydroblasting. List and demonstrate, in the correct order, the operating procedures used in hydroblasting. List and demonstrate, in the correct order, the operating procedures used in hydro excavation.
Hydroblasting Maintenance
16
Inspect and perform daily maintenance checks on all components of the system. Perform routine inspections of all external and internal parts of valves, fittings and gun components of the system. Provide scheduled servicing to the pump and major components of the system.
Vacuum Technician Techniques
40
Explain the history of Pressure Truck and Vacuum and its applications Define the basic terminology and training requirements associated with the Vacuum Technician trade. Identify the components of the Pressure Truck and Vacuum. Identify the appropriate Personal Protective Equipment used in the Vacuum Truck trade. List and demonstrate, in correct order, the preoperating procedures used in vacuuming. Identify potentially hazardous chemicals, materials and conditions and the requirements for loading and unloading the truck. List and demonstrate, in correct order, the general operating procedures used in vacuuming.
Vacuum Technician Maintenance
40
Recognize when the vacuum truck equipment is in need of routine maintenance and servicing prior to, during and following operation. Identify and perform the appropriate types (daily, interval, and scheduled) of routine maintenance and servicing of the vacuum truck equipment. Identify the proper use of tools and equipment used for repairing vacuum truck equipment. Recognize when the vacuum truck equipment is in need of advanced maintenance. Perform the appropriate advanced maintenance based on the manufacturer’s recommendations.
C.D.L. Class B with HAZMAT Endorsement
40
Explain the vehicle inspection process of a commercial vehicle. Demonstrate basic control skills of a commercial vehicle. Successfully pass the State Department of Motor Vehicles Examination for a C.D.L. Class B with Hazmat Endorsement. Identify and explain the safety procedures; alcohol and drug effects; laws and penalties that are applicable to the commercial driver. Demonstrate at a proficient level with regard to performing pre-trip, on the road, and post-trip vehicle and equipment inspections and sliding fifth-wheels and tandems. Demonstrate the ability to be skillful in safe driving techniques. Demonstrate proficient skills in map reading, trip planning, maintaining a log book, cargo documentation, coupling and uncoupling, and be aware of emergency responsibilities and regulations of transportation agencies.