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HomeMy WebLinkAboutData Requirements - Infrastructure Plans & Subdivision Plans 10.03.010 Master Plan Development Master Plan. If the proposed subdivision is part of a larger area intended for development, a Development Master Plan of the entire area is required. 10.03.020 Required Improvements for Infrastructure Responsibility of Sub-divider. All required improvements such as streets, seal coating, alleys, utilities, street lighting, drainage, easements, and other facilities which are required as a condition to plat approval shall be the responsibility of the sub-divider and shall meet City specifications and standards of construction. Engineered Plans. These plans must be done by an Idaho Registered Engineer, be approved for individual subdivisions by the City Engineer, must comply with the adopted Design Standards and Specifications of the City, and must be approved by the Departments of Environmental Quality (D.E.Q.) at District 7 Health. Standard Drawings and Specifications. The following will need to be in compliance with the adopted Standard Drawings and Specifications of the City. The following improvements shall also be approved for individual subdivisions by the City Engineer. Pedestrian ways Public Sites, Open Spaces, and Natural Features Water Systems Fire Hydrants Wastewater Systems Storm Water Disposal Monuments Curb, gutter, and street improvements Street signage Street lighting 10.03.030 Infrastructure Plan Data - Public Works Detailed plans for proper and adequate provisions including type, extent, location, and capacity of facilities shall be made for disposal of wastewater (sewer), water, supply, and storm water (drainage and drainage pre-treatment, storm water detention plans). Water Supply Systems. Proper and adequate provision shall be made for culinary water service to each lot. It shall be the responsibility of the sub-divider to furnish such evidence as may be required relative to the design, operation, volume, and quality of water supply and facilities proposed including pipe size, pipe materials, location, valve location, hydrant location and any special requirements. Location. Water lines are to be located at approximately the center of new residential lots. Commercial Developments. The location and size of service lines for commercial developments are to be approved by the City Engineer. Wastewater Management. Proper and adequate provisions shall be made for wastewater disposal. It shall be the responsibility of the sub-divider to furnish such evidence as may be required relative to the design and operation of the sanitary sewage facilities proposed including pipe size, manhole location, pipe slope and information on any required pump stations. Storm Water Management. It shall be the responsibility of the sub-divider to furnish the City such evidence as may be required relative to design and operation of any storm water system proposed and how storm water will be disposed of with supporting calculations. Topography. Topography by contours or other method approved by the City Engineer and shown on the same map as the proposed subdivision layout. Contour intervals shall be such as to adequately reflect the character and drainage of the land. In most cases, the contour interval will be two (2’) feet. Water features and Wetlands. Location and extent of all water features and known areas of wetlands, and the direction of their flow. Required items 1, 2 & 3 above shall consider and include Health Department and Soil Conservation Service data and requirements which the sub-divider has accumulated to submit with the Plat. Profiles. Profiles of sanitary sewer, street drainage, drainage pre-treatment, storm water detention and water distribution systems, showing pipe size and location of valves and fire hydrants, all to conform to city and state standards; Fire Hydrants. Fire protection shall be included in the design of the project to meet the requirements of the City Engineering Standards and International Fire Code and this ordinance. Fire Hydrants. The location of fire hydrants required to serve the subdivision shall be approved by the City and meet the requirements of this section. Irrigation Management. The sub-divider shall indicate how site landscaping irrigation will be managed and provided. Water Rights and Shares. All water rights or shares that have been historically linked to the development property shall be used for site irrigation or surrendered to the city. Street Plans. Central line profiles showing finished grades of all streets; show typical sections and pavement structure. Cross sections of proposed streets showing widths of roadway, curbs, locations and width of sidewalks and location and size of utility mains; Street Layout. Street layout, including classification, location, length, width and course of public streets, alleys, pedestrian ways and easements. Show right-of-way lines, radii, points of tendency, and central angles of all curvilinear street and alleys, and radii of all street line intersections. (Idaho Code 50-1303) Show connections to adjoining platted tracts. Curb and Gutter. Curb and gutter pre current City Engineering Standards. Estimated Cost. The estimated cost of street, sewer, drainage and drainage pre-treatment, storm water detention, water, and other public infrastructure improvements within the planned unit development. Pedestrian Ways Location. Concrete sidewalks shall be provided on both sides of dedicated streets. Setback. All sidewalks are to be set back from the curb per current City Engineering Standards and the area between the sidewalk and curb and gutter is to be landscaped. ADA. Sidewalks shall connect to cross walks at each intersection and shall meet the requirement as defined for ADA accessibility. Larger widths. Pedestrian ways with right-of-way widths of ten (10’) feet or greater may be required where essential for circulation or access to schools, playgrounds, shopping centers, transportation and other community facilities. Connectivity. Connectivity to main routes in town for bicycle and pedestrian connections to main routes shall be included in the design of developments. Utility Plans. Utility plans shall be made in accordance with Standard Plans and Specifications. Show course, length and width of utility easements. 10.03.040 Plat Data Form of Presentation. The following information is required as part of the Plat submitted and shall be shown graphically, or by note on plans, or by letter, and may comprise several sheets. Format. All work shall be submitted in AutoCAD format and a digital copy shall be submitted. General Mapping Scale. All mapped data for the same plat shall be drawn at the same standard engineering scale, having no more than one-hundred (100’) feet to an (1”) inch unless otherwise approved as to scale. The scale should produce an overall drawing measuring eighteen inches by twenty-seven (18”x 27”) inches. (Idaho Code 50-1304) North Arrow (Idaho Code 50-1304), and Date of the Plat preparation Name and Location. Proposed name of subdivision and its location by section, township, and range; county, reference by dimension and bearing to at least two (2) section corners or quarter section corners and the basis of bearing. (Idaho Code 50-1304) Dimensions. All dimensions shall be expressed in feet and decimals. All required data to accurately calculate any curvilinear dimensions shown on the plat. Survey Markers. (See subsection 10.04.030) Boundaries. Boundaries of the tract to be subdivided shall show dimensions. (Idaho Code 50-1304) Legal Description. A legal description of the exterior boundary of the subdivision. (Idaho Code 50-1304) Boundary. Boundaries of the tract to be subdivided fully balanced and closed, showing all bearings and distances determined by an accurate survey in the field. All boundary corners are also to show state plane coordinates. Bearing and distance ties to two (2) sections or section corners and a description of the corners. Show basis of bearing. Excepted Parcels. Any excepted parcel(s) within the plat boundaries shall show all bearings and distances, determined by an accurate survey in the field. Cardinal Point. Location and description of cardinal point to which all dimensions, angles, bearings, and similar data on the plat shall be referenced. Vicinity Map. Vicinity Map drawn to scale of 1” equal 800’, clearly showing proposed subdivision’s configuration in relationship to adjacent subdivisions, main arterial routes, collector streets, etc. Contact Information. Sub-divider. Name, address, and phone number of sub-divider Engineer or Land Surveyor. Name, address, and phone number of engineer or land surveyor Listed Items Zone. By note, the existing zoning classification of tract. (Idaho Code 50-1304) Acreage. By note, the approximate acreage of the tract. Lots & Blocks. All lots and blocks shall be numbered throughout the plat in accordance with Idaho Code. (Idaho Code 50-1304) “Exception”, “tracts”, and “private parks”, shall be so designated, lettered, or named and clearly dimensioned. Typical lot dimensions to scale; dimensions of all corner lots and curvilinear sections of streets; each lot numbers individually; total number of lots. Streets, Public Areas, and Permanent Structures. Location, widths, and names of all platted streets, railroads, utility right-of-way of public record, easements (Idaho Code 50-1303), public areas, permanent structures to remain including water wells, and municipal corporation lines within or adjacent to tract. Easements. Show location, width and use of all easements for rights-of-way provided for public services or utilities and any limitations of the easements. (Idaho Code 50-1304) Public Use Areas. Designation of all land to be dedicated or reserved for public use with use indicated. Future acquisition. Where it is determined that a proposed park, playground, school or other public use as shown on a future acquisition map, as authorized in Idaho Code, is located in whole or in part within a proposed subdivision, the Commission shall notify the appropriate public agency concerning the land proposed to be acquired. Suspend Consideration. Within thirty (30) days of the date of notice, the public agency may request the governing body to suspend consideration on the proposed subdivision for sixty (60) days. No agreement. If an agreement is not reached within (60) days, the Commission shall resume consideration of the subdivision. Large Subdivisions. Subdivisions of more than one-hundred (100) units shall be required to provide at least ten (10%) percent of the land for public use at fair market rates at the time of development. Adjacent Subdivisions or Surveys. Name and filing number of any recorded adjacent subdivision or record of survey having common boundary with the tract. Special Features. Appropriate information that sufficiently details the proposed development within any special development area, such as hillside, planned unit development, flood plain, cemetery, mobile home park, large scale development, hazardous and unique areas of development. Existing natural features which add value to residential development and enhance the attractiveness of the community such as streets, watercourses, historic spots, and similar irreplaceable assets shall be preserved, insofar as possible, in the design of the subdivision. Zoning Classifications. If plat includes land for which multi-family, commercial, or industrial use, such areas shall be clearly designated together with existing zoning classification and status of zoning changes, if any. 10.03.050 Certifications & Dedications Land Surveyor. Name, address, and official seal of the registered professional land surveyor preparing the plat. (Idaho Code 50-1309) Drainage. All drainage ways to be dedicated to the public. Dedications to Public. Location, dimensions, bearings, radii, arcs, and central angles of all sites to be dedicated to the public will be clearly indicated and intended use specified. 10.03.060 Additional Submittals Traffic Study. A traffic study may be required by the City Engineer for any development that has a potential to significantly impact traffic flow. Landscape Plans. Detailed landscaping plans showing the type and size of all plant material and its location, the irrigation system, decorative materials, recreation equipment and special effects; and the schedule for removal and replanting of vegetation.