Grading the yard
I’m grading my yard. Conventional wisdom seems to be to grade it away from the house so water doesn’t seep into the foundation. But wouldn’t water then collect at the rear of the yard? Or flow into my neighbor’s yard at the back? Near the house I have a drain but it doesn’t make sense to grade the yard towards the house either.
Are all brownstone yards graded towards the center of the block?

chemosphere
in General Discussion 8 years and 2 months ago
7
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Arkady | 8 years and 2 months ago
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dave – that’s essentially what I have & it works well. Not entirely impervious – crazy paving but otherwise similar.

EJR | 8 years and 2 months ago
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> @daveinbedstuy
> Make sure your main drain pipe is clear and can handle the runoff though…all the way out the front and into the sewer pipe or the backup from additional water is going to cause even bigger problems.
This assumes the city’s sewer system can handle the volume of water and won’t back up. I had a sewer main backup issue with this most recent storm even though my sewer line was clear and properly functioning. The sewer company dismissed the idea of a check valve, saying that it is an expensive install that will fail in time. They recommended a sump pump with a run-off to the street.
If you’re completely redoing the yard, is it feasible to install a large pit in the ground to collect excess water as a backup to the sewer system?

daveinbedstuy | 8 years and 2 months ago
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I wouldn’t grade it towards even if there were a drain. I would keep it level unless it’s right up against the house and then I would grade about 3′ of it away. It may even be better to have an impervious surface (concrete) up agaisnt the house but pitched away so the water runs off and perhaps a french drain at the edge of that where it does run off. Make sure your main drain pipe is clear and can handle the runoff though…all the way out the front and into the sewer pipe or the backup from additional water is going to cause even bigger problems.

chemosphere | 8 years and 2 months ago
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thanks all. I will certainly look into a french drain. But regardless I’m still wondering how people grade the yard: towards the house or away from the house?

Arkady | 8 years and 2 months ago
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I’d look into having a french drain put in.

chemosphere | 8 years and 2 months ago
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It’s dirt. It does absorb a fair amount, but in storms like the very heavy one a few days ago, it took about 8 hours to sink in to the ground.

CarmenR | 8 years and 2 months ago
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What is the surface of the yard? If it’s gravel or dirt or anything that’s not concrete, the ground should absorb a fair amount of rainfall without flowing in any direction.