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  1. 3Hugger

    Water balance for a public park ( 7 acres )

    This effort in storage of rainwater is in an effort towards sustainability...... in real dollar terms immediate savings may not be immediately realized. I will assume water storage is full by end of May and start my water budget in June when irrigation is to start. Intially the new plantings...
  2. 3Hugger

    Water balance for a public park ( 7 acres )

    Thanks for the reply. I would like to perform a monthly water balance for a public park in Toronto, Canada. The irrigation system will not come on during rain events. The park is to be built and topped with planting soil to support lawns and plants. I will choose an appropriate Runoff...
  3. 3Hugger

    Water balance for a public park ( 7 acres )

    Thank you for your reply. I figure that for a rought idea of a water budget, the In - Out = change in storage would be enough. The park in question is in Canada so I am more concerned about water balance during 4 months of the year. My change in storage term relates to the amount of water...
  4. 3Hugger

    Water balance for a public park ( 7 acres )

    Hi, I am attempting to produce a water balance or budget for a park. Basic Equation: In (precipitation) - Out (Evapotransiration + Evaporation from 1100m2 marsh surface + infiltration (dependent on soil and density of plantings) + irrigation for season) = Change in Storage with time. Now if I...
  5. 3Hugger

    Storage cells/tanks for irrigation water. Any particularily good ones

    I need an underground cell or tank that will collect and store rainfall on the park area to be used for irrigationl. This sustainable measure will help reduce the burden on conveyance system and water treatment plants. Information on ones successfully used in the past would be of great help...
  6. 3Hugger

    Stormwater/Wastewater

    There is a farmers market which needs to direct the wash water that generated at the end of the day to the sanitary sewer while directing any water from precipitation events to the storm sewer. This needs to be done so as to reduce the burden on the water treatment plant. So far I have come up...
  7. 3Hugger

    How to obtain inverts elevation for storm sewer profile?

    I have found my sizes for the storm pipe and would now like to design the profile ie. obtain inverts of pipe at each manhole along the pipe lenght. I am using 0.26% slope and have the upstream starting ground surface elevation. For instance I don't know how to obtain inverts when two different...
  8. 3Hugger

    Rainfall data for Antigua

    Thank you for the useful information. I have some numbers for my pipe size generated from my spreadsheet and although the results seem reasonable, I would not mind having a second opinion. Is there anywhere I can post my spreadsheet and details of the site?
  9. 3Hugger

    Rainfall data for Antigua

    I am involved with sizing drainage works for an airport in Antigua and would like to know if there is any past rainfall data for Antigua.......for now I will have to guess the storm duration and storm profile......so probally going to assume a design intensity of 75 mm/hr ....thanks for any...

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