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It's the liner thing that has me baffled. I'm sure Lanelle and I have run into the same regs she mentions in NoVA where the amount of impervious surface is limited to a percent of lot size, even on residential jobs. So I've had to either spec permeable pavement, or rain gardens/ infiltration trenches in order to get that driveway or accessory structure through. That being the case, I'd assume that the liner is only under the pavers, right? Because the goal would be to allow the water to percolate through and be filtered by the soil, as in a typical infiltration trench?
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Dave
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