10607172Stormwater Management
Course Information
Description
Focuses on the sizing and layout of culvert and storm sewer systems. Topics include storm water quantity calculations, open channel hydraulics, culvert and storm sewer sizing, detention basin sizing, water quality regulations and water quality improvements.
Total Credits
2
Course Competencies
  1. Examine basic hydraulic principles
    Assessment Strategies
    by scoring 70% or higher on quizzes
    by scoring 70% or higher on exams
    by completing homework assignments covering pressure, energy, and pipe flow.
    Criteria
    you summarize pressure
    you identify the fundamental units of pressure
    you summarize hydrostatic pressure
    you identify the four characteristics of hydrostatic pressure
    you explain the difference between atmospheric, gage and absolute pressures
    you summarize pressure head
    you calculate the pressure head in open and closed systems
    you calculate the pressure in open and closed systems
    you convert between English and SI units of pressure
    you identify the fundamental units of flow
    you convert between English and SI units of flow
    you explain the continuity of flow concept
    you perform calculations using the continuity of flow equations
    you explain the control volume concept
    you identify the three forms of mechanical energy in a hydraulic system
    you explain the difference between the energy grade line and hydraulic grade line
    you plot the energy grade line and hydraulic grade line for a pipe system
    you explain the head loss concept
    you explain the difference between minor and major losses in a pipe system
    you perform calculations using Manning's equation
    you identify the most efficient channel cross-section
    you complete homework

  2. Examine basic hydrologic principles
    Assessment Strategies
    by scoring 70% or higher on quizzes
    by scoring 70% or higher on exams
    by completing homework assignments covering rainfall estimation, drainage divide determination and runoff calculations
    Criteria
    you summarize hydrology
    you explain the hydrologic cycle
    you identify common units for measuring rainfall and rainfall intensity
    you summarize recurrence interval
    you use intensity-duration-frequency curves to estimate rainfall amounts
    you identify factors that influence runoff amounts
    you explain the watershed concept
    you draw the drainage divides for a given land area
    you identify the three common methods for determining runoff quantities
    you explain the concept of time of concentration
    you explain the difference between overland flow, shallow concentrated flow and channel flow
    you perform runoff computations using the rational, SCS and USGS methods
    you identify the limitations of the three runoff computational methods
    you complete homework assignment covering rainfall estimation, drainage divide determination and runoff calculations.

  3. Examine culvert systems
    Assessment Strategies
    by scoring 70% or higher on quizzes
    by scoring 70% or higher on exams
    by completing homework assignments covering culvert hydraulic computations
    Criteria
    you summarize normal depth
    you identify typical culvert materials
    you explain the purpose of pipe bedding
    you differentiate between the crown and invert of a pipe
    you identify common culvert system components
    you compute the normal depth in a stream using Manning's equation
    you identify the three principle components of headloss in a culvert system
    you explain the difference between inlet controlled and outlet controlled systems
    you determine the allowable headwater elevation for a culvert system
    you calculate the required barrel size for a culvert
    you compute the actual headwater depth given the culvert geometry
    you explain how the entrance headloss coefficient varies with entrance geometry
    you explain how culvert alignment impacts upstream and downstream drainage systems
    you choose appropriate Manning's roughness coefficients based on pipe material
    you explain how changing a culvert's geometry impacts its capacity
    you identify seven methods for controlling erosion at culvert outfalls
    you determine tailwater depths given channel geometry
    you complete homework assignments covering culvert hydraulic computations

  4. Examine storm sewer systems
    Assessment Strategies
    by scoring 70% or higher on quizzes
    by scoring 70% or higher on exams
    by completing homework assignments covering storm sewer layout and sizing
    Criteria
    you identify the primary components of a storm sewer systems
    you identify the primary materials used in storm sewer construction
    you summarize the steps in performing storm sewer sizing and layout
    you identify the typical locations for installing storm sewer inlets
    you identify the typical locations for installing storm sewer access structures
    you identify the primary constraints in the hydraulic design of storm sewers
    you identify factors that impact inlet efficiency
    you explain why the width of gutter spread should be minimized
    you determine inlet efficiency given inlet geometry and clogging factors
    you summarize bypass flow
    you compute bypass flow
    you summarize inlet time
    you summarize "run" as used in storm sewer design and construction
    you determine the inlet time given land cover and slope
    you summarize the term tributary area
    you determine the tributary area for a given inlet
    you determine the pipe flow time
    you determine the initial pipe slope given the street geometry
    you calculate the theoretical pipe size for a given run of storm sewer
    you determine the final pipe slope and size for a given run of storm sewer
    you complete homework assignments covering layout and sizing of storm sewer systems