A detention basin or retarding basin is an excavated area installed on or adjacent to tributaries of rivers streams lakes or bays to protect against flooding and in some cases downstream erosion by storing water for a limited period of time.
Detention pond landscape design.
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Successfully incorporate ponds into different sites and how to address the physical character architectural and landscape elements.
My first pre post development project is a step by step article that walks you through a complete detention pond design using the nrcs method.
It is generally the least expensive and most reliable of the measures that have been considered.
Pima county regional flood control district 97 e.
Estimating storage requirements of the detention pond the detention basin is the most widely used measurethe detention basin is the most widely used measure for controlling peak discharge.
These basins are also called dry ponds holding ponds or dry detention basins if no permanent pool of water exists.
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Floodplain and erosion hazard management ordinance.
The photos also demonstrate ecologically and friendly approaches to site development and creative landscape design above underground detention vault with porous landscape detention in the background.
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Design return period storm must be used.
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Projects that convert of an acre of native vegetation to lawn or landscape or convert 2 5 acres or more of native vegetation to pasture in a threshold discharge.
Detention pond design guide page 2 of 13 2.
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Design standards for stormwater detention and retention supplement to title 16 chapter 16 48 runoff detention systems.
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