Clearing and Grading | Environment & Sustainability
sedimentation control plan approved by the department that shall define any limits on clearing and grading or specific erosion and sediment control measures required during this period. Alternate best management practices may be approved or required on-site by the inspector. d. If, during the course of construction, silt-laden runoff exceeding standards in the applicable City-adopted stormwater requirements leaves the construction site, or if clearing and grading limits or erosion and sediment control measures shown in the approved plan are not maintained, a notice of violation shall be issued. e. If the erosion and sediment control problem defined in the violation is not adequately repaired within 24 hours of the notice of violation, then a notice and order may be issued by the inspector to install adequate erosion and sediment control measures to stop silt-laden runoff from leaving the site. The notice and order may also require the contractor to discontinue any further clearing or grading, except for erosion and sediment control maintenance and repair, until the following March 31st. f. The following activities are exempt from the seasonal clearing and grading requirements of this subsection: i. Routine maintenance and necessary repair of erosion and sediment control facilities; ii. Routine maintenance of public facilities or existing utility structures as provided by SDC 21.03.020F.;
iii. Activities where there is 100 percent infiltration of surface water runoff within the site in approved and installed erosion and sedimentation control facilities; iv. Typical landscaping activities of existing single-family residences that do not require a permit; and
v. Public agency response to emergencies that threaten the public health, safety, and welfare.
Effective | January 1, 2022
Title 21: Sammamish Development Code | 189
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