Agenda - 02-04-1991 - Laserfiche WebLink

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year storm runoff in the receivin¢ watercourse to the _ discharge point does not exceed the greater of: 1. the velocity established by the table in RLiAgaph 3 of Ac--subsection: or 2. the velocity of the 10 -year storm runoff in the receiving watercourse prior to development; If conditions (I)- or 2 of this para ra h cannot be met then the receiving watercourse to and including the dischaMep2int shall be designed and constructed to withstand the expected velocity any—where-the velocity exceeds the "prior, to development" velocity by 10%. COMMENTARY.• These revisions are made to clarify the intent of this section which is to protect watercourses on the site from the impact of increased runoff`' velocity and to ensure that the design results in a nonerosive - velocity at ahe point of discharge. Section 10 Borrow and Waste Areas When the person conducting the land- disturbing activity is also the person conducting the borrow and waste disposal activity, areas from which borrow is obtained and which are not regulated by the provisions of the Mining Act of 1971, and waste areas for surplus materials other than landfills regulated by the Departments Division of Solid Waste Management , shall be considered as part of the land- disturbing activity where the borrow material is being used or from which the waste material originated. When the person conducting the land- disturbing activity is not the person obtaining the borrow and /or disposing of the waste, these areas shall be considered a separate land- disturbing activity. COJIDAENTARY- ?his revision addresses a name change in this agency. Section 15 Existing Uncovered Areas b. Notice of Violation The Erosion Control Officer will serve upon the landowner or other person in possession or control of the land written notice of violation by registered or certified mail, return receipt requested, or other means reasonably calculated to give actual notice. The notice will set forth the measures needed to comply and will state the time within which such measures must be completed. In determining the measures required and the time allowed for compliance, the authority serving notice shall take into consideration the economic feasibility, technology, and quantity of work required, and shall set reasonable and attainable time limits for compliance. C0II0WFJMRY.- This revision is intended to improve notification to the person responsible for a violation. Section 17 Permits d. Expiration of Permits For the numm of determining the a iration date of the - jZIM NM=al and 2nding the land - disturbing activity is considered to have started when the reconstrac 'on conference has been held the necessary erosion control practices have been properly installed,, and the site clearing or grading has begun. COM dENTARY.- This revision is proposed by the staff. The purpose is to emphasize holding the preconstruction conference, and, for the purpose of determining the expiration date of the permit, the conference must have been held in order to consider work to have started. 6 1 -15 -91 32