Reply to Broken downspout dumping water by foundation

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]It should be fine, OP. Not ideal but your house has perimeter drains and if they’re working properly, they can handle it. [/quote]

Utter nonsense.

If perimeter drains could handle it, why would the house have gutters and downspouts?

There was a time after perimeter drains were introduced, in the 50's and 60's, when people thought they were magic and could handle any amount of water. Houses were built without gutters and downspouts. Those that are still standing were retrofitted with gutters and downspouts. [/quote]

All homes built after 90s have exterior French drains and sump , you should be able to not ever have water in the basement even if a downspout fails. [/quote]

:lol:  :lol:  :lol:

This is complete and utter bullsh*t. I put up 1200 homes last year for a major east coast builder and not a single one had an exterior french drain. Not one.[/quote]

This is true. We don’t have them on our new home. [/quote]

That's wild, you should have gotten an inspection [/quote]

No. Code interpretation varies from locality to locality, and not all localities (or even states) have adopted the latest versions of the (conceptual) reference building code.

VA and MD have different interpretations in several areas of the code, for example. Some localities adopt selected parts of the newer conceptual building code but do not adopt all of it.

Purely as an example of local variation, MoCo requires an inspection after the Tyvek is on the exterior and before the siding, but Fairfax County does not even want to see that stage. [/quote]

Okay but I’m not sure they can build a house without perimeter drains. Maybe there’s some confusion here about terminology, or people don’t know what they are because they can’t see them, and maybe they drain by gravity so there’s no sump pit. [/quote]

The model code allows for houses built on well-drained soil not to have perimeter drains. 
"Exception: A drainage system is not required where the foundation is installed on well-drained ground or sand-gravel mixture soils according to the Unified Soil Classification System, Group I soils, as detailed in Table R405.1."

In other soil, drains are only required where there is "habitable or usable spaces located below grade." So a house with a slab on grade, or only crawlspace, doesn't require drains.

https://codes.iccsafe.org/s/IRC2021P2/part-iii-building-planning-and-construction/IRC2021P2-Pt03-Ch04-SecR405.1

Since the primary purpose of drains is to protect the foundation from water damage, my personal opinion is this code section is too lenient. [/quote]

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