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Practitioner's Tool / Case Studies: Cocopeat Implementations in South-East Asia

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→‎How We Built Our Cocopeat Bio Filter - by Jet Pabilonia

#'''Preparing the site'''. Locate the site where the filter box will be constructed. The site should be in an area that is elevated slightly so that surface water from storm events will not flood the system. Once the site is selected, level it and place 5 cm or so of gravel or sand to prepare a firm foundation for the filter box.

#'''Size the filter box'''. We used the cocopeat ~~sizing tool to determine the filter size. You can access that tool~~ [[:File:Septictanksizingtoolwithcocopeatmodule.xlsx|~~here~~Septic Tank Sizing Worksheet]]tool to determine the filter size. From this tool, we determined the filter box size should be 2.4 meters square and 1.2 meters deep.

#'''Build the filter box'''. Filter boxes can be constructed out of lumber, hollow block, or other structural materials. We chose lumber as it was readily available. We used typical framing lumber and plywood to construct the filter box. We used nails and screws to secure the plywood to the frame so that it would last.

#'''Drilling the transfer hole'''. We drilled a hole just above the floor of the filter that would allow the collection pipe to pass through the filter. The purpose is so that the treated effluent can be collected and sent to the irrigation field. For this installation, we determined that the collection pipe would sit about 6 cm above the floor so that is the elevation we used to locate the hole.

Winona

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