Drainage grading re-establishes positive fall, so surface water moves away from foundations instead of toward them.
Shallow shaped channels that carry runoff across the property without looking engineered.
Subsurface collection installed where standing water cannot be graded away.
Roof water piped well away from the foundation instead of dumping at the corner of the house.
Low areas re-sloped and drained so turf stops drowning.
Negative grade along the house corrected to shed water outward.
Water redirected so it stops washing across and undermining patios and walkways.
Swales and grade changes that intercept water arriving from uphill.
Deep enough to be out of the way of mowing and to maintain fall to the discharge point, typically a shallow trench with solid pipe. Solid pipe rather than perforated matters here, since you want roof water carried away, not released back into the soil next to the house.
Considerably. Northern Illinois clay drains very slowly, so surface grading carries much more of the load and subsurface drains need to be designed with that in mind rather than assuming water will percolate.
No. We design outflow to a legal and appropriate discharge point on your property or an approved location. Shifting a problem next door is not a solution.
Questions? Call us!