02- 385 C.M.R. ch. 890, § C-III

Current through 2024-51, December 18, 2024

Section 385-890-C-III - Site Drainage

A.Purpose

Drainage must be provided to direct surface water away from the home to protect against erosion of foundation supports and to prevent water build-up under the home, as shown in the Figure to Subchapter C, Section III- Site Drainage.

B. The home site must be graded as shown in the Figure to Subchapter C, Section III- Site Drainage, or other methods, such as a drain tile and automatic sump pump system, must be provided to remove any water that may collect under the home.

C. All drainage must be diverted away from the home and must slope a minimum of one-half inch per foot away from the foundation for the first ten feet.Where property lines, walls, slopes, or other physical conditions prohibit this slope, the site must be provided with drains or swales or otherwise graded to drain water away from the structure as shown in the Figure to Subchapter C, Section III - Site Drainage.

D.Sloped Site Considerations

The home, where sited, must be protected from surface runoff from the surrounding area.

E.Gutters and Downspouts

Manufacturers must specify in their installation instructions whether the home is suitable for the installation of gutters and down spouts.If suitable, the installation instructions must indicate that when gutters and downspouts are installed, the runoff must be directed away from the home.

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Figure to Subchapter C, Section III - Site Drainage

02- 385 C.M.R. ch. 890, § C-III