ACEOPS.ORG Home PageIowa DNR Wastewater Treatment Grade I Need-to-Know            

Establish safety plans and apply safety procedures

Plans and procedures include:

Required capabilities:

·       Blood borne pathogens

·       Ability to assess likelihood of disaster occurring

·       Chemical hazard communication

·       Ability to communicate safety hazards verbally

·       Confined space entry

and in writing

·       Electrical grounding

·       Ability to demonstrate safe work habits

·       First-aid

·       Ability to follow written procedures

·       General safety and health

·       Ability to identify potential safety hazards

·       Lifting

·       Ability to interpret Material Safety Data Sheets

·       Lock-out/tag-out

·       Ability to recognize unsafe work conditions

·       Personal hygiene

·       Ability to select and operate safety equipment

·       Personal protective equipment

·       Knowledge of emergency plans

·       Respiratory protection

·       Knowledge of personal protective equipment

·       Slips, trips, and falls

·       Knowledge of potential causes and impact of disasters

·       Spill response

·       Knowledge of proper application, handling, and storage of chemicals

 

·       Knowledge of proper lifting procedures

 

·       Knowledge of safety regulations

 

Monitor, evaluate, and adjust processes and collection systems

Processes include:

Required capabilities:

·       Chemical addition

·       Ability to adjust chemical feed rates, flow patterns, and

·       Clarifiers

process units

·       Disinfection

·       Ability to calculate dosage rates

·       Pumping of main flow

·       Ability to confirm chemical strength

·       Screens

·       Ability to evaluate, diagnose, and troubleshoot process

·      Waste stabilization ponds

units

·      Grinder pumps

·       Ability to maintain processes in normal operating

·      Sand filters

conditions

·      Septic tanks

·       Ability to measure and prepare chemicals

·      Trickling filters

·       Ability to perform basic math and process control

·      Aerobic digesters

calculations

·      Anaerobic digesters

·       Knowledge of biological science

·      Collection system:

·       Knowledge of general chemistry

-Identify source of infiltration/inflow

·       Knowledge of general electrical principles

-Proper service connection

·       Knowledge of mechanical principles

-Identify source of blockage

·       Knowledge of normal chemical range

-Remove blockage

·       Knowledge of principles of measurement

-Repair broken main

·       Knowledge of regulations

 

·       Knowledge of wastewater treatment concepts and treatment processes

 


Evaluate physical characteristics of wastestream

Characteristics include:

Required capabilities:

·       Color         

·       Ability to discriminate between normal and

·       Flow pattern

abnormal conditions

·       Foam

·       Knowledge of normal characteristics of wastewater

·       Mixing pattern

 

·       Odor

 

·       Solids concentration

 

·       Volume

 

 

Perform and interpret laboratory analyses

Analyses include:

Required capabilities:

·       5-day biochemical oxygen demand

·       Ability to calibrate instruments

·       Chlorine residual

·       Ability to follow written procedures

·       Dissolved oxygen

·       Ability to interpret and transcribe date

·       pH

·       Ability to perform laboratory calculations

·       Settleable solids

·       Ability to recognize abnormal analytical results

·       Temperature

·       Knowledge of biological science

·       Total suspended solids

·       Knowledge of general chemistry

 

·       Knowledge of laboratory equipment and procedures

 

·       Knowledge of normal characteristics of wastewater

 

·       Knowledge of principles of measurement

 

·       Knowledge of quality control and assurance practices

 

·       Knowledge of sampling procedures

 

·       Knowledge of Standard Methods

 

Operate equipment

Equipment includes:

Required capabilities:

·       Backflow prevention devices

·       Ability to adjust operation of equipment

·       Blowers and compressors

·       Ability to evaluate operation of equipment

·       Chemical feeders

·       Ability to monitor operation of equipment

·       Computers

·       Knowledge of electrical and mechanical principles

·       Drives

·       Knowledge of function of tools

·       Electronic testing equipment

·       Knowledge of start-up and shut-down procedures

·       Engines

·       Knowledge of wastewater treatment concepts

·       Generators

 

·       Heavy vehicles

 

·       Instrumentation

 

·       Motors

 

·       Pumps

 

·       Valves

 

 


Evaluate operation of equipment

Tasks include:

Required capabilities:

·       Read meters

·       Ability to monitor and adjust equipment

·       Read charts

·       Ability to report findings

·       Read pressure gauges

·       Knowledge of electrical and mechanical principles

·       Check speed of equipment

·       Knowledge of process control instrumentation

·       Measure temperature of equipment

 

·       Inspect equipment for abnormal conditions

 

 

Perform preventive and corrective maintenance

Equipment includes:

Required capabilities:

·       Blowers and compressors

·       Ability to assign work to proper trade

·       Chemical feeders

·       Ability to calibrate equipment

·       Instrumentation

·       Ability to diagnose and troubleshoot units

·       Motors

·       Ability to differentiate between preventive and

·       Pumps

corrective maintenance

 

·       Ability to follow written procedures

 

·       Ability to perform general maintenance

 

·       Knowledge of electrical and mechanical principles

 

·       Knowledge of facility operation and maintenance

 

·       Knowledge of start-up and shut-down procedures

 

Perform administrative duties

Tasks include:

Required capabilities:

·       Control employee work activities

·       Ability to communicate verbally and in writing

·       Establish recordkeeping systems for facility

·       Ability to determine what information needs to be

·       Plan and organize work activities

recorded

·       Record information relating to facility performance

·       Ability to evaluate facility performance

·       Respond to complaints

·       Ability to organize information and follow written

·       Write internal, state, and federal reports