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// CODE SNIPPET

406.7 Altering Slopes

Private Sewage Disposal Code 2009 > 4 Site Evaluation and Requirements > 406 Site Requirements > 406.7 Altering Slopes
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Areas with slopes exceeding those specified in Section 402.1 shall not be used unless graded and reshaped in accordance with Sections 406.7.1 through 406.7.3.

406.7.1 Site Investigation

Soil test data shall show that a sufficient depth of suitable soil material is present to provide the required amount of soil over bedrock and ground water after alteration. A complete site evaluation as specified in this section shall be performed after alteration of the site.

406.7.2 System Location

A soil absorption system shall be installed in the cut area of an altered site. A soil absorption system shall not be installed in the fill area of an altered site. The area of fill on an altered site is permitted to be used as a portion of the required 20-foot (6096 mm) separating distance from the crown of a critical slope. There shall be a minimum of 6 feet (1829 mm) of natural soil between the edge of a system area and the downslope side of the altered area.

406.7.3 Site Protection

Altered slope areas shall be positioned so that surface water drainage will be diverted away from the system areas. Disturbed areas shall be seeded or sodded with grass, and appropriate steps shall be taken to control erosion (see Figure 406.7.3).

For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm.
FIGURE 406.7.3
CONCEPTUAL DESIGN SKETCH FOR ALTERING SLOPES

Related Code Sections


406.7 Site Evaluation and Requirements, Altering Slopes
Altered slope areas shall be positioned so that surface water drainage will be diverted away from the system areas. Disturbed areas shall ...
Private Sewage Disposal Code 2018 > 4 Site Evaluation and Requirements > 406 Site Requirements > 406.7 Altering Slopes
406.7 Site Evaluation and Requirements, Altering Slopes
Altered slope areas shall be positioned so that surface water drainage will be diverted away from the system areas. Disturbed areas shall be seeded ...
Private Sewage Disposal Code 2009 > 4 Site Evaluation and Requirements > 406 Site Requirements > 406.7 Altering Slopes
406.7 Site Evaluation and Requirements, Altering Slopes
Altered slope areas shall be positioned so that surface water drainage will be diverted away from the system areas. Disturbed areas shall be seeded ...
Private Sewage Disposal Code 2012 > 4 Site Evaluation and Requirements > 406 Site Requirements > 406.7 Altering Slopes
406.7 Site Evaluation and Requirements, Altering Slopes
Altered slope areas shall be positioned so that surface water drainage will be diverted away from the system areas. Disturbed areas shall ...
Private Sewage Disposal Code 2015 > 4 Site Evaluation and Requirements > 406 Site Requirements > 406.7 Altering Slopes
406.7.3 Site Evaluation and Requirements, Site Protection
Altered slope areas shall be positioned so that surface water drainage will be diverted away from the system areas. Disturbed areas shall be seeded ...
Private Sewage Disposal Code 2009 > 4 Site Evaluation and Requirements > 406 Site Requirements > 406.7 Altering Slopes > 406.7.3 Site Protection
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