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Tony Hwang Tony Hwang is offline
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Default Water in garage from cars/snow and no drain.

Robert Neville wrote:
wrote:

My garage was built in 1942.
It never had a floor drain in it.

Is there a standard way to add a drain?


Cut the slab with a diamond saw, dig a trench, lay the PVC, backfill, repour the
concrete. Tis a lot of work, especially if the slab doesn't have the proper
slope to bring the water to the drain.

If that's the case, you break up the entire slab with a jackhammer and repour
after the drain is installed.

The other question is where the drain empties. You'll need to find a storm drain
or sanitary line...

Hmmm,
Very simplistic approach. What if soil condition is not good for that?
My son is a civil engineer specializing in water management. Not long
ago he went out to an acerage where every thing was soaking wet around
house. The soil was too much clay which never drained water. He could
see water collected during the flood 4 years ago. The owner needed a big
work to install drain net work and holding pond.