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This is a very correct approach, if you want different types of drains and drains to work as intended, take care of the correct choice and operation. While gutters collect rainfall as it runs off the roof, French drains carry water away from the ground. Redirecting the flow of water with a French drain eliminates this problem, here https://rapidserviceplumbing.com.au/plumbing-guides/how-to-install-a-french-drain/ you can find more information on this topic