Test Content & Lesson Curriculum
Certified Water/Wastewater Maintenance Technician I CWWMT-I
| Source | Training Module Title & Description | Lesson No. | Lesson Title |
| Unit | Reading Blue Prints | Lesson 1 | Introduction to Blue Prints |
| 101 | Covers all types of blue prints used in plants. Discusses machine parts and machine drawings. Examines hydraulic, pneumatic, piping, plumbing, electrical drawings. Introduces sketching used in plants | Lesson 2 | Machine Parts |
| Lesson 3 | Machine Drawings | ||
| Lesson 6 | Hydraulic and Pneumatic Drawings | ||
| Lesson 7 | Piping and Plumbing Drawings | ||
| Lesson 8 | Electrical Drawings | ||
| Lesson 10 | Sketching | ||
| Unit | Schematic and Symbols | Lesson 1 | Introduction to Schematics and Symbols |
| 102 | Covers all types of schematics and symbols used in commercial and industrial settings. Examines symbols on schematics, electrical symbols, and diagrams, piping symbols and diagrams, hydraulic and pneumatic diagrams and symbols. Covers welding and joining symbols | Lesson 2 | Symbols on Schematics |
| Lesson 3 | Electrical Symbols | ||
| Lesson 4 | Electrical Diagrams | ||
| Lesson 5 | Piping Symbols | ||
| Lesson 6 | Piping Diagrams | ||
| Lesson 7 | Hydraulic and Pneumatic Symbols | ||
| Lesson 8 | Hydraulic and Pneumatic Diagrams | ||
| Lesson 10 | Welding and Joining Symbols | ||
| Unit | Mathematics in the Plant | Lesson 1 | Whole Numbers |
| 103 | Begins by introducing mathematics basics - numbers and numerals, subtraction, addition multiplication, and division. Examines common fractions and decimal fractions, ratios and proportions, powers and roots. Discusses the calculator: use, basic and special functions, internal logic, and special purpose calculators. Moves on to cover geometry, algebra, and formulas for problem solving. Concludes by explaining properties of triangles and trig and inverse trig functions. | Lesson 2 | Common Fractions |
| Lesson 3 | Decimal Fractions | ||
| Lesson 4 | Ratios and Proportions | ||
| Lesson 5 | Powers and Roots | ||
| Lesson 7 | Geometry | ||
| Lesson 8 | Algebra | ||
| Lesson 9 | Using Formulas | ||
| Lesson 10 | Trigonometry | ||
| Unit | Making Measurements | Lesson 1 | Units of Measurements |
| 104 | Covers units of measurement used in commercial and industrial applications. Examines all aspects of basic measurement concepts and procedures, including accuracy and tolerance. Discusses techniques and services for comparison measurements. Shows common methods for measuring volume, motion, force, temperature, fluid flow, and electricity. Explains how to use scales and rules, combination calipers, and micrometers. | Lesson 3 | Linear Measurement |
| Lesson 4 | Comparison and Surface Measurement | ||
| Lesson 5 | Measuring Bulk Material | ||
| Lesson 6 | Measuring Motion | ||
| Lesson 7 | Measuring Forces | ||
| Lesson 8 | Measuring Temperature | ||
| Lesson 9 | Measuring Fluids | ||
| Lesson 10 | Measuring Electricity | ||
| Unit | Metals in the Plant | Lesson 1 | Introduction to Metals |
| 105 | Introduces metals, metallurgy, and metalworking. Discusses the properties of metal including its mechanical properties. Covers iron and standard steels. Explains the different kinds of heat treatment and their usage. Discusses some techniques of working with copper, lead, nickel, tin, and zinc. | Lesson 2 | Properties of Metals |
| Lesson 4 | Iron and Steel | ||
| Lesson 5 | Standards Steels | ||
| Lesson 6 | Heat Treatment | ||
| Lesson 7 | Copper | ||
| Lesson 10 | Lead, Nickel, Tin and Zinc | ||
| Unit | Nonmetals in the Plant | Lesson 1 | Introduction to Nonmetals |
| 106 | Introduces major nonmetal materials and how they are most frequently used. Describes properties, characteristics, and classifications of each material. Covers synthetic and natural materials. Surveys industrial chemicals. Chemical safety precautions are covered, along with the proper use of protective equipment. | Lesson 2 | Plastics |
| Lesson 3 | Rubber | ||
| Lesson 8 | Industrial Chemicals | ||
| Lesson 10 | Carbon | ||
| Unit | Hand Tools | Lesson 1 | Measuring Tools |
| 107 | Covers the most important hand tools used on the job. Begins with measuring tools, including a discussion of units of measurement. Examines the various kinds of wrenches and screwdrivers, their uses and handling techniques. Explains other hand tools by specialty: pipefitting tools, plumbing tools, electrician's tools, and metalworking tools. Ends with hoisting and pulling tools. | Lesson 2 | Wrenches and Screwdrivers |
| Lesson 3 | Pipefitting Tools | ||
| Lesson 4 | Plumbing Tools | ||
| Lesson 5 | Electrician’s Tools | ||
| Lesson 9 | Metalworking Tools | ||
| Lesson 10 | Hoisting and Pulling Tools | ||
| Unit | Portable Power Tools | Lesson 1 | Electric Drills |
| 108 | Explains the uses, selection, safety, and care of industrial power tools: electric drills, electric hammers, pneumatic drills and hammers, screwdrivers, nut runners, wrenches, linear-motion saws, electric sanders, grinders, and shears. Covers tool sharpening techniques for selected tools. | Lesson 2 | Electric Hammers |
| Lesson 3 | Pneumatic Drills and Hammers | ||
| Lesson 4 | Screwdrivers, Nutrunners, and Wrenches | ||
| Lesson 5 | Linear Motion Saws | ||
| Lesson 8 | Electric Sanders | ||
| Lesson 9 | Grinders and Shears | ||
| Lesson 10 | Tool Sharpening | ||
| Unit | Industrial Safety and Health | Lesson 1 | Introduction to Safety and Health |
| 109.1 | Explains government involvement in ensuring a safe workplace. Discusses safety in various situations. Discusses personal protective equipment and fire safety. Includes expanded coverage of many health hazards. Covers ergonomics, environmental responsibility and importance of maintaining a safe work environment. | Lesson 2 | Government Safety and Health Regulations |
| Lesson 3 | Personal Protective Equipment | ||
| Lesson 4 | Chemical Safety | ||
| Lesson 5 | Tool Safety | ||
| Lesson 6 | Material Handling | ||
| Lesson 7 | Working Safely with Machinery | ||
| Lesson 8 | Working Safely with Electricity | ||
| Lesson 9 | Electrical Equipment Safety | ||
| Lesson 10 | Fire Safety | ||
| Lesson 11 | Protecting Your Health | ||
| Lesson 12 | A Safe Work Environment | ||
| Unit | Troubleshooting Skills | Lesson 1 | Introduction to Troubleshooting |
| 110 | Explores the subject of troubleshooting and the importance of proper maintenance procedures. Covers working with others, aids in communication, and trade responsibilities. Outlines troubleshooting techniques and aids, using schematics and symbols. Focuses on specific maintenance tasks, breakdown maintenance, and planned maintenance. | Lesson 2 | Working with other People |
| Lesson 3 | Troubleshooting Techniques | ||
| Lesson 4 | Aids to Troubleshooting | ||
| Lesson 5 | Preparing for Troubleshooting | ||
| Lesson 6 | Using Schematics and Diagrams | ||
| Lesson 7 | Solving Mechanical Problems | ||
| Lesson 8 | Solving Electrical Problems | ||
| Lesson 9 | Breakdown Maintenance | ||
| Lesson 10 | Planned Maintenance | ||
| Unit | Force and Motion | Lesson 1 | Scalars and Vectors |
| 391 | Covers fundamentals of force and motion, showing how an engineer thinks about these concepts. Demonstrates how mathematical and graphical representations can help clarify thinking about mechanical force and motion. | Lesson 2 | Motion Along a Straight Line |
| Lesson 3 | Acceleration | ||
| Lesson 4 | How to Describe Force | ||
| Lesson 5 | Force and Acceleration | ||
| Lesson 6 | Equilibrium | ||
| Lesson 7 | Rotational and Circular Motion | ||
| Lesson 8 | Simple Harmonic Motion | ||
| Sacramento Manual | Wastewater Treatment Plant Operation | Lesson 1 | Preliminary Treatment, Chapter 4 |
| Wastewater Treatment Vol. I & II | Serves as an overview of wastewater treatment for maintenance personnel. Explains various treatment processes, components and microbiology. Defines the basic modes of operation and their advantages and disadvantages. Explains the processes that make up solids handling and sludge removal and dewatering. Describes methods of disinfection. | Lesson 2 | Sedimentation & Floatation, Chapter 5 |
| Lesson 3 | Biological Filtration, Chapter 6 | ||
| Lesson 4 | Rotating Biological Contactors, Chapter 7 | ||
| Lesson 5 | Activated Sludge, Chapter 8 | ||
| Lesson 6 | Activated Sludge,Chapter 11 | ||
| Lesson 7 | Stabilization Ponds,Chapter 9 | ||
| Lesson 8 | Effluent Disinfection, Chapter 10 | ||
| Lesson 9 | Sludge Digestion and Solids Handling, Chapter 12 | ||
| Lesson 10 | Plant Safety, Chapter 14 | ||
| Lesson 11 | Maintenance, Chapter 15 | ||
| WEF | Basic Maintenance of Diffused Aeration Systems | Lesson 1 | Blowers |
| Assists the student in understanding and being able to identify the major components of lobe and centrifugal blowers, and the diffused aeration system. Provides instruction on the purpose, operation and maintenance requirements of filters, regulating/shut off valves, pressure relief valves and diffusers. | Lesson 2 | Filters | |
| Lesson 3 | Diffusers | ||
| Lesson 4 | Regulating/Shutoff Valves | ||
| Lesson 5 | Operation | ||
| Lesson 6 | Maintenance | ||
| WEF | Basic Maintenance of Mechanical Aeration Systems | Lesson 1 | Operation of Surface & Subsurface Aeration |
| Identifies the components of a mechanical aeration system: motor, gear reducer, base plate, bearing housing, impeller shaft, drive ring, adjusting rods, jacking screws, blade ring, blades, and draft tubes. Also discusses function and operation of surface and subsurface aeration and methods of steadying the shaft; PM, including inspection and lubrication procedures. | Lesson 2 | Preventive Maintenance | |
| Lesson 3 | Lubrication | ||
| Lesson 4 | Lockout/Tagout Procedures | ||
| Lesson 5 | General Safety | ||
| WEF | Basic Maintenance of Circular Secondary Clarifiers | Lesson 1 | Components of Circular Clarifiers |
| Describes the function of each of the typical components of a circular clarifier; gear reducer, sludge collector mechanism, and the scum removal mechanism. Describes normal preventive maintenance, including daily inspection, lubrication procedures, lockout/ tag out procedures and general safety considerations. | Lesson 2 | Function of Gear Reducers | |
| Lesson 3 | Sludge Collector and Scum Removal Mechanisms | ||
| Lesson 4 | Preventive Maintenance | ||
| WEF | Basic Maintenance of Rectangular Clarifiers | Lesson 1 | Components of Rectangular Clarifiers |
| Identifies the function and components of a rectangular clarifier. Describes the function of the gear reducer, sludge collector mechanism, and scum removal mechanism. Describes preventive maintenance, including daily inspection and lubrication procedures. Describes the purpose of lockout/ tag out procedures and identifies general safety considerations. | Lesson 2 | Function of Gear Reducers | |
| Lesson 3 | Sludge Collector and Scum Removal Mechanisms | ||
| Lesson 4 | Preventive Maintenance | ||
| Sacramento Manual | Water Treatment Plant Operation | Lesson 1 | Coagulation & Flocculation,Chapter 4 |
| Water Treatment Vol. I & II | Serves as an overview of water treatment for maintenance personnel. Explains various treatment processes, components and water chemistry. Defines the basic modes of operation and their advantages and disadvantages. Explains the processes that make up solids handling and sludge removal and dewatering. Describes methods of disinfection. | Lesson 2 | Sedimentation, Chapter 5 |
| Lesson 3 | Filtration, Chapter 6 | ||
| Lesson 4 | Disinfection, Chapter 7 | ||
| Lesson 5 | Taste & Odor Control, Chapter 9 | ||
| Lesson 6 | Iron & Manganese Control, Chapter12 | ||
| Lesson 7 | Fluoridation, Chapter 13 | ||
| Lesson 8 | Softening, Chapter 14 | ||
| Lesson 9 | Handling & Disposal of Wastes, Chapter17 | ||
| Lesson 10 | Maintenance, Chapter18 | ||
| Lesson 11 | Instrumentation, Chapter 19 | ||
| Lesson 12 | Safety, Chapter 20 |
Revision 10/13/2005
Return to IMI Training & Certification Page