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HomeMy WebLinkAboutL_Declaration_Of_Covenant_BMP_180206_v2 - ApprovedDeclaration of Covenant EXHIBIT B MAINTENANCE INSTRUCTION FOR PERFORATED PIPE CONNECTION Your property contains a stormwater management flow control BMP (best management practice) called a "perforated pipe connection," which was installed to reduce the stormwater runoff impacts of some or all of the impervious surface on your property. A perforated pipe connection is a length of drainage conveyance pipe with holes in the bottom, designed to "leak" runoff, conveyed by the pipe, into a gravel filled trench where it can be soaked into the surrounding soil. The connection is intended to provide opportunity for infiltration of any runoff that is being conveyed from an impervious surface (usually a roof) to a local drainage system such as a ditch or roadway pipe system. The size and composition of the perforated pipe connection as depicted by the flow control BMP site plan and design details must be maintained and may not be changed without written approval either from the City of Renton or through a future development permit from the City of Renton. The soil overtop of the perforated portion of the system must not be compacted or covered with impervious materials. PERFORATED PIPE CONNECTION FOR A SINGLE FAMILY RESIDENCE STANDARD DETAIL