3B - Preliminary Plat Application

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connection. The sewer shall also be extended to the exterior boundary of the subdivision at locations designated by the Engineer. — 2. Onsite systems or cluster onsite systems shall conform to Minnesota Pollution Control Agency Standards, Individual Sewage Treatment Systems Standard, (Chapter 7080 of the Minnesota Administrative Rules), and provide for two(2)treatment sites for drainfields. 3. Municipal sewage facilities shall be designed by a Registered Engineer, approved by the City Engineer, approved by the Minnesota Pollution Control Agency, and installed according to "Standard Utilities Specifications", City — Engineer's Association of Minnesota. Section i7-9.8 WATER SUPPLY STANDARDS — The subdivider shall be responsible to provide the proposed subdivision with adequate spacing between building sites, onsite sewage disposal sites, and potential well locations to allow the well installations in conformance with the City of Pequot Lakes Zoning Ordinance requirements or the subdivider shall provide the lot with a cluster water — supply system to be owned and operated by a property owner's association or the subdivider shall provide municipal water service to the lot. 1. A municipal water system shall be extended to the lot at the expense of the subdivider by agreement in the Development Contract between the subdivider and the Council if the existing municipal system is adjacent to the parcel being subdivided or reasonably close in the opinion of the engineer and — Planning Commission or if the density of the proposed development necessitates a municipal water connection. The watermain shall also be extended to the exterior boundary at locations designated by the Engineer. — 2. Onsite wells or cluster water systems shall conform to the Minnesota Department of Health Rules and Regulations MHD 210-230 "Water Well Construction Code", and the cluster system shall receive the approval of the City Engineer. — 3. Municipal water facilities shall be designed by a Registered Engineer, approved by the City Engineer,approved by the Minnesota Department of Health and installed according to "Standard Utilities Specifications" City Engineer's — Association of Minnesota. Section:17-9.9 DRAINAGE/GRADING STANDARDS The subdivider shall consider the retention of natural stormwater/snowmelt drainage — patterns in the design of his proposed subdivision.The subdivider shall be responsible to provide adequate drainage facilities for his development and upstream properties. 1. Drainage Plan(s). All subdivisions shall demonstrate provisions for — adequate surface or subsurface runoff of storm water and snow melt directed to natural drainageways. 2. All natural drainageways draining properties upstream from the subject property shall be identified and preserved, and no structures shall be less than -' one(1)foot above the water level in the drainageway created by a storm of a ioo- year, 24-hour rain event. No filling of areas inundated by the loo-year, 24-hour rain event shall be allowed. — 3. Additional runoff for a loo-year, 24-hour rain event from all streets and building sites at build-out shall be accounted for and maintained within the development. — 4. Natural or manmade storage areas shall be utilized where needed and shall be designated by drainage and utility easement by the subdivider. All -1 Pequot Lakes Staff Report 3(b)-4 April 17,2008