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    3,000 square feet is a good move from the current 5,000
    Dry wells will work for a while but if not monitored and maintained will fail.
    Enforcing the replanting of trees as conditioned will help.
    Imposing required rain barrels would be a good thing.
    Paragraph 6 alarms me. Shouldn’t we always lean towards the maximum guideline vs. the minimum or none at all? We can always ease the prior if needed.
    Brookhaven sure has a tendency to ignore the obvious and make things harder than they need to be.

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    Hunter Burke

    This is so late to be implemented, the impact has already been terrible and Brookhaven has been virtually useless in acknowledging the problems, correcting issues during construction, and, most certainly in accepting their responsibility for the existing infrastructure maintenance and remediation. Even today. Citizens have been vocal about their property damage for years. It is generally good news, but much too difficult getting to even this minor improvement. Thanks nonetheless, things have been improving since Mayor Jay.

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    Tom Reilly

    One gallon of water weighs over 8 pounds. It take 24,000 gallons of water to put one inch of rain on one acre of land. That’s some 200,000 pounds of water per inch per acre. Nothing to be taken lightly. –Tom Reilly

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    I live in an older home in Brookhaven and the 3 uphill lots have been redeveloped in the last 4 years with the old homes being demolished and new large homes built in their place. Having witnessed the change in runoff firsthand with each new house built, I know the surface water runoff during a rainstorm increases in volume and surges in speed dramatically. This is because typically 90%+ of the lot is “disturbed” by the bulldozers demolishing the older home digging out the concrete footings, removing trees, digging a new larger foundation, trenching in sewer and water and installing a construction driveway leaving the lot now compacted clay with no vegetation to absorb rain. Even with the addition of silt fence and hay bales, the storm water runoff increases dramatically in the form of a “surge” of water during the rain. Silt fence will only stop silt, not water. So during the critical hours right after a heavy rain the runoff will come quicker and more water will rush off the lot and flooding is evitable.

    When the home is completed, the new clay soil yard is graded and compacted and essentially non-pervious even with addition of grass sod which only adds about 1″ of topsoil/roots and becomes saturated quickly in a rainfall. The lot is now sloped so no ponding occurs you have a dramatic % increase in impervious surfaces such as driveways, roofs and sidewalks.

    Drywells are buried plastic barrels with drainage holes for rainwater to be stored until it is absorbed into the ground. In practice, many fail and are removed because they are undersized and do not work well in clay soils. Since clay soil does not absorb water quickly, the drywell fills up with water and debris/leaves from the roof gutters and bacterial growth soon occurs in the stagnant water emitting a methane smell and overflowing frequently.

    There are no easy solutions but my experience leads me to believe this issue serious and should be addressed. If your home begins to experience flooding each time it rains when a new large home has been build uphill, then your house now has a fair market value of $0 (except for the tear down land value) because you can’t sell a home that floods.

    The fair solution is to implement a regulation similar to what is now being proposed by the Brookhaven, but it would also be reasonable for Brookhaven to require a stormwater impact fee for improvements in a neighborhood to address the needed infrastructure improvements that are required such a ditch cleaning, repairing existing stormwater pipes , repair and add new inlets, etc.

    Finally, Brookhaven Building Dept should require the builder to file a StormWater Plan to 1) calculate the stormwater impact and 2) demonstrate how they intend to control stormwater surges during construction that meet State of Georgia stormwater standards and 3) calculate the final stormwater profile and how it will prevent flooding.

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