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Designing Rainwater Harvesting Pond

RWH #

Click Add in Project View to create a new MSMA project. Choose RWH, select MSMA 1st Edition, create the name of the project, and click Create. 

Rainfall Data #

Determine the average yearly rainfall by inputting the average monthly rainfall from January to December.

Harvested Rainfall #

Determine the amount of harvested rainfall by inputting data in the Harvested Rainfall tab.

  1. Input the plane area of rooftop catchment, impervious pavement catchment, and/or landscape catchment.
  1. Input the runoff coefficient of rooftop catchment, impervious pavement catchment, and/or landscape catchment.
  1. Click on the “ Calculate” button to obtain the harvested rainfall from different types of catchment areas and total yearly harvested rainfall.

Water Demand #

Determine the amount of water demand by inputting data in the Harvested Rainfall tab.

  1. Choose the Appliance (outdoor/indoor).
  2. Select the Unit.
  3. Input the Frequency of Use.
  4. Click on “ Calculate” to obtain average water demand and required tank storage.

Tank Sizing #

Design tank volume by inputting data in Tank Sizing tab.

  1. Select the type of the tank.
  2. Input the dimension of the pond design.
  3. Click the “ Calculate” button to obtain Tank Storage.

Result #

Click the “ Analyse” button to generate the results.

Click Textual Report, Summary Report, or Graph tabs to show the outcomes respectively.

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