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  1. #1
    mathew stouffer's Avatar
    mathew stouffer Guest

    Default Grade sloping towards retaining wall

    Is there slope requirements for grade along retaining walls. Seems like common sense

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  2. #2
    Richard Stanley's Avatar
    Richard Stanley Guest

    Default Re: Grade sloping towards retaining wall

    Drainage is an important component that should be incorporated into the design and construction.


  3. #3
    Join Date
    Sep 2008
    Location
    Texas
    Posts
    745

    Default Re: Grade sloping towards retaining wall

    R401.3 Drainage.
    Surface drainage shall be diverted to a
    storm sewer conveyance or other approved point of collection
    so as to not create a hazard. Lots shall be graded to drain surface
    water away from foundation walls. The grade shall fall a minimum of
    6 inches (152 mm)within the first 10 feet (3048 mm).


    Exception:
    Where lot lines, walls, slopes or other physical
    barriers prohibit 6 inches (152 mm) of fall within 10 feet
    (3048 mm), the final grade shall slope away from the foundation
    at a minimum slope of 5 percent and the water shall
    be directed to drains or swales to ensure drainage away from
    the structure.Swales shall be sloped a minimum of 2 percent
    when located within 10 feet (3048 mm) of the building
    foundation. Impervious surfaces within 10 feet (3048 mm)
    of the building foundation shall be sloped a minimum of 2
    percent away from the building.



    R403.3.3 Drainage.
    Final grade shall be sloped in accordance
    with Section R401.3. In other than Group I Soils, as
    detailed in Table R405.1, gravel or crushed stone beneath
    horizontal insulation below ground shall drain to daylight or
    into an approved sewer system.




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