Difference between revisions of "Calculator"
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{{alert|Volume and pollutant reductions calculated with the MIDS calculator will be incorrect if BMPs do not meet the following criteria|alert-warning}} | {{alert|Volume and pollutant reductions calculated with the MIDS calculator will be incorrect if BMPs do not meet the following criteria|alert-warning}} | ||
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*Volume and pollutant reductions given in the MIDS calculator are based on the assumption that the BMP is properly designed, constructed and maintained. Guidance and recommendations for design, construction and maintenance are contained within the individual BMP sections of this Manual. You can find lists of relevant web pages at the following links. | *Volume and pollutant reductions given in the MIDS calculator are based on the assumption that the BMP is properly designed, constructed and maintained. Guidance and recommendations for design, construction and maintenance are contained within the individual BMP sections of this Manual. You can find lists of relevant web pages at the following links. | ||
Revision as of 14:26, 3 January 2017
Information: The MIDS calculator has been updated to Version 3.
Download Version 3
View changes made from the previous version.
Caution: Please read the information on this page before downloading the MIDS calculator
Caution: Volume and pollutant reductions calculated with the MIDS calculator will be incorrect if BMPs do not meet the following criteria
- Volume and pollutant reductions given in the MIDS calculator are based on the assumption that the BMP is properly designed, constructed and maintained. Guidance and recommendations for design, construction and maintenance are contained within the individual BMP sections of this Manual. You can find lists of relevant web pages at the following links.
- Design criteria (NOTE the page Design criteria for filtration includes design criteria for swales.)
- Construction specifications
- Operation and maintenance
- BMPs must be designed and constructed in accordance with the Construction Stormwater General Permit (CSW permit). Requirements of the CSW permit are highlighted in red throughout the various sections of this Manual. It is important to note that volume reduction BMPs need at least three feet of separation to the seasonally saturated soils to be eligible under the CSW permit to receive credit for volume reduction. The pollutant removal credit is not valid for undersized or oversized practices.
- The MIDS calculator does not require sizing criteria for BMPs that do not achieve volume reductions (ponds, wetlands, sand filters). The pollutant removal credit in the calculator assumes these BMPs are properly sized per recommendations in this Manual.
We welcome comments and suggestions on the calculator. Please send comments to Anne Gelbmann. We will compile comments and, if resources allow, incorporate suggestions into future versions of the calculator.
NOTE: To download the calculator, click on the link below and open this folder MIDSCalculatorGUIInstallerJuly8.zip
Download just the Excel version of the calculator: File:MIDS calculator Excel only.xls
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