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Activity 2.3.11 Calculating Property Drainage.pdf

In this activity, you will calculate peak runoff using the rational method. Equipment ... A = Drainage area in acres C = Runoff coefficient (see table) ...  Down

STORMWATER DRAINAGE DESIGN - Knox County,.pdf

Stormwater drainage design is an integral ... • For drainage facilities with cross-sectional area greater ... Calculate required protection for ...  Down

EC-11 Slope Drains - Concord, California.pdf

When using slope drains, limit drainage area to 10 acres per pipe. For larger areas, ... Inspect slope drainage for accumulations of debris and sediment ...   Down

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  • EC-11 Slope Drains - Concord, California

    When using slope drains, limit drainage area to 10 acres per pipe. For larger areas, ... Inspect slope drainage for accumulations of debris and sediment.

    www.ci.concord.ca.us/pdf/living/recycle/brochures/slope-drains.pdf
  • The Simple Method to Calculate Urban Stormwater Loads

    A-1 This appendix presents data and methodologies for using the Simple Method (Schueler, 1987) to estimate pollutant load from a site or drainage area.

    www.hydrocad.net/pdf/NY-Simple-Method.pdf
  • Estimating annual runoff - CDRF

    Divide gallons by 27,154 to calculate acre-inches ... 5 Total production area draining to storage (line 3 - Line 4) [acres] 6 Total drainage into storage (Line 2 x ...

    cdrf.org/wp-content/uploads/2012/10/3.7-Estimating-Annual-Runoff1.pdf
  • 3.1.3 Rational Method - Knox County, Tennessee

    Method considers the entire drainage area as a single unit and estimates the peak discharge at ... Rational Method equation is presented in Sections 3.1.3.3 and 3.1.3 ...

    www.knoxcounty.org/stormwater/pdfs/vol2/3-1-3%20Rational%20Method.pdf
  • Do it Yourself! Impervious Surface Buildout Analysis

    appropriate framework is the watershed or drainage basin. ... to calculate the percentage of impervious surface. ... of impervious area.

    nemo.uconn.edu/publications/tech_papers/tech_paper_4.pdf
  • Drainage Area Delineation for Storm Water Drains from ...

    Drainage Area Delineation ... -Uses DEM to calculate area drained by each inlet. -Uses DEM to determine above and below ground (in pipes) drainage behavior.

    proceedings.esri.com/library/userconf/proc14/papers/803_54.pdf
  • Runoff Reduction Method - Virginia

    done on a drainage area basis. ... will calculate the Runoff Reduction Volume in column I and the Remaining Runoff ... the Virginia Runoff Reduction Method" ...

    www.deq.virginia.gov/Portals/0/DEQ/Water/Guidance/SWMHandbook/VRRM...
  • Chapter 2: Understanding Flow - Plastics Pipe Institute

    In urban areas, the drainage area usually consists of subareas of different surface ... soil group, calculate the weighted CN for the total watershed area. CN ...

    plasticpipe.org/pdf/chapter-2_understanding_flow.pdf
  • Drainage Manual Report - Spanish Fork, Utah

    Engineer. Table 4-1 indicates the applicable total drainage area for each modelling approach. Table 4-1 ... to calculate the time of concentration.

    www.spanishfork.org/dept/pubworks/engineering/pdf/Drainage_Manual.pdf
  • Appendix E - Treatment Volume Peak Flow Rate

    The peak rate of discharge from a drainage area can be calculated from any one of several ... Step 3: Calculate the Treatment Volume peak discharge ...

    www.dep.wv.gov/.../Appendix_E_Treatment_Volume_Peak_Flow_Rate_WV-SW...