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Characterize the components of a private on-site wastewater treatment system (POWTS)
Assessment Strategies
by labeling the components of a POWTS installation
by explaining the function of each part labeled
by adding to your journal
Criteria
apprentice matches components to their function
apprentice can explain the function of a specific component
apprentice identify system parts using a print or picture
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Make mathematical calculations needed to design a POWTS
Assessment Strategies
by solving given POWTS installation word problems
by adding to your journal
Criteria
solution is complete in every way
solution satisfies all essential conditions of the problem
solution is correct
solution includes correct units
apprentice appropriately apply mathematics to the situation
apprentice checks their work for completeness
apprentice make reasonable assumptions for solving the problem
apprentice writes the equations and supporting calculations
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Evaluate the site
Assessment Strategies
by selecting a location for a POWTS
given a site plan
by adding to your journal
Criteria
apprentice can apply the information on the soil test report to determine the infiltrative surface elevation
apprentice considers aesthetic characteristics
apprentice identifies setback requirements
apprentice recognizes soil forming factors
apprentice calculates slope to assist in determining location
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Relate soil science to the treatment of wastewater
Assessment Strategies
by selecting a system type suitable for a given site
by placing the system on the selected site after the soil evaluation
by determining the loading rate of soil to determine the square footage of cell absorption area
given a site plan
given a soil evaluation report
by adding to your journal
Criteria
apprentice can differentiate between texture, structure, and consistence
apprentice identifies limiting factors
apprentice determines the design load rates based on soil morphological condition.
apprentice evaluates course soil fragments
apprentice determines minimum vertical separation
apprentice determines the infiltrated surface elevation
apprentice can describe the water cycle
apprentice can identify soil report abbreviations on a soil report
apprentice can determine a minimum depth of unsaturated soil from Comm 83
apprentice can identify soil characteristics that impede water flow
apprentice can select POWTS design based on soil limiting factors of in situ soil
apprentice can describe biological treatment of wastewater within soils
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Locate applicable requirements for each portion of the POWTS
Assessment Strategies
by completing a written examination
by creating an application / code matrix
by adding to your journal
Criteria
apprentice can find a specifically applicable code within two tries
apprentice use table of contents and indexes in reference material to locate specific information
apprentice can name the applicable portion of the code or component manual when given a POWTS component
apprentice can write the administrative code citation for a given specific passage
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Identify anaerobic treatment tanks (ATT), formerly known as septic tank, for the requirements of POWTS
Assessment Strategies
by selecting an anaerobic treatment tank (ATT) for a given POWTS plan
by selecting a specific location for an ATT
given a site plan and occupancy/use information
by adding to your journal
Criteria
apprentice can explain the basic functions of an ATT
apprentice can size an ATT with occupancy/use parameters
apprentice can calculate maintenance cycle of an ATT
apprentice can match reference material citations to installation requirements
apprentice can select from manufacturers materials an acceptable ATT
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Explore an inground gravity POWTS
Assessment Strategies
by walking through a system design and installation procedure with the instructor
with reference to any POWTS related materials
given a site plan
by adding to your journal
Criteria
you explore how the design incorporates all necessary components for an inground gravity system
you explore how the design complies with soil and site evaluation restrictions applicable to an inground gravity system
you explore code compliance of the design ensuring that it includes necessary notes, references, and calculations
you explore how the design includes correct sizing for necessary components for an inground gravity system
you explore how the design contains the information required for plan submittal
you explore how the design conforms to all industry standards for drafting
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Explore an inground dose POWTS
Assessment Strategies
by walking through a system design and installation procedure with the instructor
with reference to any POWTS related materials
given a site plan
by adding to your journal
Criteria
you explore how the design complies with soil and site evaluation restrictions applicable to an inground dose system
you explore how the design calculations are made for pump size and selection for an inground dose system
you explore how the design takes into consideration the use of a siphon system as an alternative to pumps
you explore how the design includes necessary notes, references, and calculations
you explore how the design includes all necessary components for an inground dose system
you explore how the design includes correct sizing for necessary components for an inground dose system
you explore how the design contains the information required for plan submittal
you explore how the design conforms to all industry standards for drafting
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Explore an in-ground pressure distribution POWTS
Assessment Strategies
by walking through a system design and installation procedure with the instructor
with reference to any POWTS related materials
given a site plan
by adding to your journal
Criteria
you explore how the design complies with soil and site evaluation restrictions applicable to an inground pressure system
you explore how the design calculations are made for pump size and selection for an inground pressure system
you explore how the design considers the use of a siphon system as an alternative to pumps
you explore how the design includes necessary notes, references, and calculations
you explore how the design includes all necessary components for an inground pressure system
you explore how the design includes correct sizing for necessary components for an inground pressure system
you explore how the design contains the information required for plan submittal
you explore how the design conforms to all industry standards for drafting
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Explore an at-grade POWTS
Assessment Strategies
by walking through a system design and installation procedure with the instructor
with reference to any POWTS related materials
given a site plan
by adding to your journal
Criteria
you explore how the design complies with soil and site evaluation restrictions applicable to an at-grade POWTS
you explore how the design calculations are made for pump size and selection for an at-grade POWTS
you explore how the design considers the use of a siphon system as an alternative to pumps
you explore how the design includes necessary notes, references, and calculations
you explore how the design includes all necessary components for an at-grade POWTS
you explore how the design includes correct sizing for necessary components for an at-grade POWTS
you explore how the design contains the information required for plan submittal
you explore how the design conforms to all industry standards for drafting
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Explore a mound POWTS
Assessment Strategies
by walking through a system design and installation procedure with the instructor
with reference to any POWTS related materials
given a site plan
by adding to your journal
Criteria
you explore how the design complies with soil and site evaluation restrictions applicable to a mound POWTS
you explore how the design calculations are made for pump size and selection for a mound POWTS
you explore how the design considers the use of a siphon system as an alternative to pumps
you explore how the design includes necessary notes, references, and calculations
you explore how the design includes all necessary components for a mound POWTS
you explore how the design includes correct sizing for necessary components for a mound POWTS
you explore how the design contains the information required for plan submittal
you explore how the design conforms to all industry standards for drafting
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Explore a system using alternative components
Assessment Strategies
by selecting a specific components for a unique site
given unique specific site requirements
with reference to any POWTS related materials
by adding to your journal
Criteria
you explore the options available on the market
you complete a design that meets the requirements of the specific site
you consider package components as well as a design built
you compare different system costs
you can explain advantages and disadvantages of alternative components
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Determine holding tank requirements for a POWTS
Assessment Strategies
by sizing a holding tank
by identifying installation and anchoring requirements
by selecting a specific location for a holding tank
given a site plan
by adding to your journal
Criteria
installation requirements are in compliance with the plumbing code and related component manuals
sizing requirements are in compliance with the plumbing code and related component manuals
apprentice can determine anchoring requirements
apprentice can name common consideration for holding tank selection
apprentice can outline the broad steps for holding tank installation
apprentice can size a tank within the parameters defined in the administrative code and other references
apprentice consider tank material when determining tank requirements
apprentice can calculate gallons per inch in holding tanks
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Examine field service skills for a POWTS
Assessment Strategies
troubleshooting a case study of a system trouble or failure
create a source table for given problems
by adding to your journal
Criteria
apprentice can list in sequence the steps to install a POWTS
apprentice can identify the appropriate persons to contact and when to contact them
apprentice can identify safety hazards at a POWTS site
apprentice can identify tools and equipment needed for a POWTS installation
apprentice can assess site aesthetics
apprentice can calculate setback distances
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Create a POWTS journal
Assessment Strategies
by compiling a 3-ring binder and or a spiral binder including class notes, information and materials
Criteria
the journal has been updated continuously from competency #1 through competency #16
the journal has a Table Of Contents (TOC)
the journal contains a copy of your license
the journal includes all quizzes given
the journal includes all code reports handed out
the journal includes all other class handouts in sequential order