Site Drainage Flashcards
The grade near the foundation should slope a minimum of 5% or ?
6 inches in the first 10 feet.
Drains should be installed around all concrete and masonry foundations that are below grade and…
Enclose a habitable or usable space:
If the foundation is in an area with sandy, gravelly soils or well-drained ground this may not be required?
A drainage systems
Downspouts should discharge away from the house a minimum of…
4 to 6 ft
Flowerbeds next to the foundations should be checked for signs of what?
Standing water.
Why should trees near the home and foundation be noted?
Because the roots may affect the foundation or underground drainage pipes.
To prevent rot, wood siding and sill plates should be how far above grade?
6 to 8 inches
The maximum slope of a lot should be what?
Roughly 1-in-2.
If a home is on a steep slope, it should be noted because the house may be subject to this?
Erosion or movement.
