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Ordinance 410CITY OF CHANHASSEN CARVER AND HENNEPIN COUNTIES, MINNESOTA ORDINANCE NO.410 AN ORDINANCE AMENDING CHAPTER 18, SUBDIVISIONS, CHANHASSEN CITY CODE THE CITY COUNCIL OF THE CITY OF CHANHASSEN, MINNESOTA ORDAINS: Section 1. Section 18-40 (2) g of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: Location, size and approximate grade of proposed public sewer and water mains. If public sewer is not available, the developer shall provide community sewage treatment system (CSTS) for subdivisions in excess of two lots. If public sewer and water are not available, the developer shall provide site evaluation data required by "Minnesota Rules Chapter 7080 Individual Sewage Treatment Systems Standards" and Chapter 19, Article IV, of the Chanhassen City Code, to determine the suitability of the site for individual sewage systems. The following data is required for review: 1. Location of two drainfield sites per lot or per CSTS site. 2. Two soil borings on each drainfield site for a total of four soil borings per lot or per CSTS site and two percolation tests per drainfield site for a total of four percolation tests per lot or CSTS site. 3. The infiltration area shall be based on the anticipated wastewater generated from all sources that could use the CSTS. 5. All plans for a CSTS shall be prepared by a licensed designer and qualified Minnesota Professional Engineer. Section 2. Section 18-40 (4) d of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: A proposed grading plan shown at contour intervals appropriate to the topography or spot elevations indicating the relationship of proposed changes to existing topography and remaining features. (1) All proposed retaining walls must be shown on the plan. The top and bottom elevations of the wall must be noted. (2) The preliminary and final grading plans must be 50 scale or larger. The grading plan must comply with the following design standards as well as the requirement of • Chapter 7 of the Chanhassen City Code: a) The lowest floor elevation must be minimum 3 feet above the highest known groundwater elevation and must meet the minimum requirements set forth in Section 20-481 (e) (1). b) The style of home (e.g., slab on grade, split entry, lookout, walkout, full basement) must be noted on the plan. c) The standard lot benching detail for each proposed style of home must be shown. d) Drain tile service must be provided to all properties where runoff will flow from the back to the front of the lot. e) Identify proposed soil stockpile areas and note stabilization measures that will be taken. Section 3. Section 18-41 (a) (5) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: A digital copy in Axf format and a digital copy in .tif format of the final plat shall be submitted. The digital files must be in the current Carver County coordinate system. Section 4. Section 18-57 (k) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: The maximum length of a street terminating in a cul-de-sac shall be 800 feet. The length of the cul-de-sac shall be measured from the intersection of the centerlines of the cul-de- sac to the intersecting street to the center point of the cul-de-sac. Section S. The City Code, City of Chanhassen, Minnesota, is hereby amended by adding a section to be numbered 18-57 (t), which shall read as follows: Temporary cul-de-sacs must be constructed at all locations where a street stub will be constructed and will be extended in the future. The temporary cul-de-sac must be 90 feet in diameter and lie within platted right-of-way or easement. The developer must submit an escrow for the cost of removing the temporary cul-de-sac and vacating the easement (if applicable). Section 6. Section 18-57 (p) (8) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: Maintenance and repair of private utilities located within the private street shall be the responsibility of the benefiting property. Section 7. The City Code, City of Chanhassen, Minnesota, is hereby amended by adding a section to be numbered 18-60 0), which shall read as follows: Proposed house sizes shall be shown on the subdivision plan and shall be designed to accommodate residents' future house expansion (e.g., porches) and accessory structures (e.g., decks and patios) as well as the driveway and sidewalks to building entrances. If house plans are not known, then a 60 foot by 60 foot building pad and a 30 foot wide access driveway shall be used. The maximum permitted impervious surface shall be 4 calculated for each lot and the permitted houses and structures shall be limited to those sizes. • Section 8. Section 18-61(d) (2) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: Prior to the submittal of development plans, a tree survey of the site shall be prepared by a registered landscape architect, licensed forester, or other professional approved by the city. This survey shall include the species, DBH size (DBH means diameter measured at breast height, four and five -tenths feet above the ground), condition, location of all trees over ten (10) inches in diameter and any damaged or diseased trees on site. All significant special, damaged or diseased trees shall be tagged and identified by number on the survey. A delineation of the existing canopy coverage area(s) which outlines all areas covered by tree canopy shall be included as part of the survey. Additionally, all damaged and diseased trees shall be cataloged with the nature and extent of any damage or disease specified. a. Based on this survey and either site observation and measurement or a current aerial photograph (taken within one year of the date of plan submittal) interpretation, the following shall be calculated: 1. Base line canopy coverage. 2. Minimum canopy coverage requirements. ItThe following table shall be used to determine the minimum amount of canopy coverage that must be maintained or provided on -site as part of the development. It shall represent the minimum canopy coverage, consisting of existing tree canopy and/or additional trees required for the site. Existing wetland and bluff areas located on site shall be excluded from the calculation of site area in the determination of site coverage. If a forested area is to be dedicated to the city for park land, then this area shall not be included in the base line canopy coverage area calculation nor shall it count towards the minimum canopy coverage for the site. 0 6 • ase Line Canopy Coverage Per Acre Comprehensive Plan Designation 80--100% 0--79% 0--59% 0--39% 19% or less Commercial/industrial/institutional 8% 25% 0% 14% 10% f1igh density residential 35% 30% 5% 0% 15% Medium density residential 0% 35% 30% 25% 0% Low density residential 55% 6% 35% 30% 5% Large lot residential 68% 56% 3% 35% 5% Base line canopy coverage is the canopy coverage existing at the time the development application is filed with the city. Minimum canopy coverage is determined by using the matrix. Priority shall be given to retaining stands of trees and undisturbed wooded lands over individual specimen trees that will be incorporated into the development. No more than ten percent of the canopy retention requirement may be met by an individual tree that is not included within a designated woodland area. For developments that do not meet the minimum canopy coverage, the developer shall be required to develop a planting plan to bring the total canopy coverage up to the minimum requirement. For development that removes canopy area or trees that would otherwise be used to meet the canopy coverage retention requirement, the developer shall develop a replacement plan. The replacement plan must designate an area at least one and two -tenths times the removed canopy coverage area that shall be planted with replacement trees for those removed. This plan shall locate additional trees either as a continuation of existing stands of trees that are to be preserved or create new stands of trees in desirable locations such as along roadway corridors, on the north and west perimeters of the development, in common open areas, or adjacent to park facilities. The following criteria shall be followed in establishing minimum canopy coverage: 0 1. When planting trees, one tree shall be deemed to provide 1,089 square feet of required canopy coverage; 2. Trees must be from the approved list of desirable species (preference given for trees designated as native); 3. No more than one-third of the trees may be from any one tree species; 4. Trees shall average at least two -and -one -half -inch caliper and may be a minimum of one -and -one -half -inch caliper; 5. Not less than 20 percent of the trees shall be conifers; 6. Conifer trees shall average seven feet and shall be a minimum of six feet in height; 7. Plant materials used for the reforestation shall be of a similar species as vegetation found on site; 8. Trees shall be used that are appropriate to the soil conditions found on site; and 9. Trees shall be from certified nursery stock as defined and controlled by M.S. § 18H.02. It r� �J Section 9. Section 18-79 (i) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: In residential plats, one acre of land shall be conveyed to the city as an Outlot by warranty deed for every 75 people the platted land could house based upon the following population calculations: Single-family detached dwelling per lot: 3.5 persons Two-family dwelling per dwelling unit: 3.0 persons Apartment, townhouses, condominiums and other dwelling units, per bedroom: 1.0 person Section 10. Section 18-79 (p) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: Park dedication fees shall be paid at the time of final plat recording. 5 f C7 Section 11. This ordinance shall be effective immediately upon its passage and publication. PASSED AND ADOPTED this 23rd day of January, 2006, by the City Council of the City of Chanhass , Minnesota. Todd Gerhardt, City Manager <--- (I ,Lk . Thomas A. Furlong, (Published in the Chanhassen Villager on February 2, 2006) rel Affidavit of Publication Southwest Suburban Publishing State of Minnesota) )SS. County of Carver ) Laurie A. Hartmann, being duly sworn, on oath says that she is the publisher or the authorized agent of the publisher of the newspapers known as the Chaska Herald and the Chanhassen Vil- lager and has full knowledge of the facts herein stated as follows: (A) These newspapers have complied with the requirements constituting qualification as a legal newspaper, as provided by Minnesota Statute 331A.02, 331A.07, and other applicable laws, as amended. (B) The printed public notice that is attached to this Affidavit and identified as No. l� �0 0 , was published on the date or dates and in the newspaper stated in the attached Notice and said Notice is hereby incorporated as part of this Affidavit. Said notice was cut from the columns of the newspaper specified. Printed below is a copy of the lower case alphabet from A to Z, both inclusive, and is hereby acknowledged as being the kind and size of type used in the composition and publication of the Notice: abcdefghijklmnopqrstuv yz B Laurie A. Hartmann Subscribed and sworn before me on this ?L� day of Lt tL� �� , 2006 GWEN M. RADUENZ NOTARY PUBLIC - WNNESOTA My Caroni m Expires Jan. 31, 2010 Notary Public RATE INFORMATION Lowest classified rate paid by commercial users for comparable space.... $40.00 per column inch Maximum rate allowed by law for the above matter ................................ $40.00 per column inch Rate actually charged for the above matter ............................................... $11.51 per column inch CITY OF CHANHASSEN CARVER AND HENNEPIN COUNTIES, MINNESOTA ORDINANCE NO.410 AN ORDINANCE AMENDING CHAPTER 18, SUBDIVISIONS, CHANHASSEN CITY CODE THE CITY COUNCIL OF THE CITY OF CHANHASSEN, MINNESOTA ORDAINS: Section 11. Section 18-40 (2) g of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: Location, size and approximate ' grade of proposed public, sewer and water mains. If public sewer is not available, the developer shall provide community sewage treatment system (CSTS)for subdivisions in excess oftwo lots. If public sewer and water are not available, the developer shall provide site evaluation data required by "Minnesota Rules Chapter 7080 Individual Sewage Treatment Systems Standards" and Chapter 19, Article IV, of the Chanhassen City Code, to determine the suitability of the site for individual sewage systems. The following data is required for review: 1. Location of two drainfield sites per lot or per CSTS site. 2. Two soil borings on each drainfield site for a total of four soil borings per lot or per CSTS site and two percolation tests per drainfield site for a total of four percolation tests pOr lot or CSTS site. 3. The infiltration area shall be based on the anticipated wastewater generated from all sources that could use the CSTS. 5. All plans for a CSTS shall be prepared by a licensed designer and qualified Minnesota Professional Engineer. Section 2. Section 18-40 (4) d of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: A proposed grading plan shown at contour intervals appropriate to the topography or spot elevations indicating the relationship of proposed changes to existing topography and remaining features. (1) All proposed retaining walls must be shown on the plan. The top and bottom elevations of the wall must be noted. (2) The preliminaryand final grading plans must be 50 scale or larger. The grading plan must comply the following design standards as well as the requirement of Chapter 7 of the Chanhassen City Code: The lowest floor elevation must be minimum 3 feet above the highest known groundwater elevation andmust meet the minimum requirements set forth in Section 20-481 (e) (1). The style of home (e.g., slab on grade, split entry, lookout, walkout, full basement) must be noted on the plan. The standard lot benching detail for each proposed style of home must be shown. Draintile service mustbe provided to allproperties whererunoffwiuflow from the back to the front of the lot. Identify proposed soil stockpile areas and note stabilization measures that will be taken. Section 3. Section .18-41. (a) (5) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as fobs: A digital copy in Axf format and a digital copy in .tif format of the final plat shall besubmitted. The digitalfRes mustbe in the current Carver County coordinate system. Section 4. Section 18-57 (k) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: The maximum length of a street terminating in a cul-de-sac shall be 800 feet. The length of the cul-de-sac shall be measured from the intersection of the centerlines of the cul-de-sac to the, intersecting street to the center point of the cul-de-sac. Section 5. The City Code, City of Chanhassen; Minnesota, is hereby amended by adding a section to be numbered 18-57 (t), which shall read as follows: Temporary cul-de-sacs must be constructed at alllocations where a street stub will be constructed and will be extended in the future. The temporary cul-de-sac must be 90 feet in d eter and lie within platted right-of-way or easement. The developer mast sit an escrow for the cost of removing the temporary cul-de-sac and vacating the easement (if applicable). Section 6. Section 18-57 (p) (8) of the City Code, City of Chanhassen, Minnesota, is hereby amended to read as follows: Maintenance and repair of private utilities located within the private street shall be the responsibility of the benefiting property. Section 7. The City Code, City of Chanhassen, Minnesota, is hereby amended by adding a section to be numbered 18-60 0), which shall read as follows: Proposed house sizes shall be shown on the subdivision plan and shall be designed to accommodate residents' future house expansion (e.g., porches) and accessory structures (e.g., decks and patios) as well as the driveway ands sidewalks to building entrances. If house plans are not known, then a 60 foo by 60 foot building pad and a 30 foot wide access driveway shall be used. Thi maximum permitted impervious surface shall be calculated for each lot the permitted houses and structures shall be limited to those sizes. Section &. Section 18f1(d) (2) of the City Code, City of n, Minnesota, is hereby amended to read as follows: Prior to the submittal of development plans,.a tree survey ofthe site be prepared by a registered landscape architect, licensed forester, or er professional app>� oved by the city. This survey shall include the species BH size (DBH means diameter measured at breast height, four and five- nths feet above the ground), condition, location of all trees over ten (10) ' es m diameter and any.damaged or diseased trees on site. All significant pecial, damaged or diseased trees shall be tagged and identified by numb on the survey. A delineation of the existing canopy coverage area(s) whichoutlines all areas covered by tree canopy shall be included as part of the survey. Additionally, all damaged and diseased trees shall be cataloged with the nature and extent of any damage or disease specified. a. ' Based on this survey and either site observation and measurement or a current aerial photograph (taken within one year of the date of plan 1. Base line canopy coverage. 2. Minimum canopy coverage requirements. The following table shall be used to determine the minimum amount of canopy coverage that must be maintained or provided on -site as part of the development. It shall represent the minimum canopy coverage, consisting of existing tree canopy and/or additional trees required for the site. Existing wetland and bluff areas located on site shall be excluded from the calculation of site area in the determination of site coverage. If a forested area is to be dedicated to the city for park land, then this area shall not be included in the base line, canopy coverage area calculation nor shall it count towards the minimum canopy coverage for the site. It Comprehensive Plan Designation -100% 79% 59% --39% 19% or less Commercial/industrial/institutional 8% % 4% 10% gh density residential 5% 0% 5% 0% 15% um density residential % 5% 5% % w density residential 5% % 5% % arge lot residential % % �3% 5% �5% Base line canopy coverage is'the canopy coverage existing at the time the developmentapplicationisfiled with the city. Minimum canopy coverage is determined by using the matrix. Priority shall be given to retaining stands of trees and undisturbed wooded lands over individual specimen trees that will be incorporated into the development. No more than ten percent ofthe canopy retention requirement may be met by an individual tree that is not included within a designated woodland area. For developments that do not meet the minimum canopy coverage, the developer shallbe requiredto develop aplantingplan to bringthe total canopy coverage up to the minimum requirement. For development that removes c anopg we that would otherwise be used to -mod the cagy cove ri egt . the developer � &hail da replacnt �e repiaioil i#st designate an' area at 1*vA=*mdtwwt@n10A times the re� erage area that e w trees for those rimed. This plan shaft trerii a continuation off stands of trees that =--;=Way "or createm w stands of trees in desirablelocations such corridow, on the north and west perimeters of the development, in common open areas, or adjacent to park facilities. The following criteria shall be followed in establishing minimum canopy coverage: 1. When planting trees, one tree shall be deemed to provide 1,089 square feet of required canopy coverage; 2. Trees must be from the approved list of desirable species (preference given for trees designated as native); 3. No more than one-third of the trees may be from any one tree species; 4. Trees shall average at least two -and -one -half -inch caliper and may be a minimum of one -and -one-half inch caliper; 5. Not less than 20 percent of the trees shall be conifers; 6. Conifer trees shall average seven feet and shall be a minimum of six feet in height; 7. Plant materials used for the reforestation shall be of a similar species as vegetation found on site; 8. Trees shall be used that ire appropriate to the soil conditions found on site; and 9. Trees shall be from certified nursery stock as defined and controlled by M.S. § 18H.02. Section 9. Section 18- 7� (i) of the City Code, City of Chanhassen, Minnesota, is hereby amencod to read as follows: In residential plats, one acre of land shall be conveyed to the city as an Outlotby warranty deedfor oVery 75people the platted land could house based upon the following population calculations: Ingle -family detached dwellinnj per lot: 3.5 persons o-fanrily dwelling per dw/ling unit: 3.0 persons ums and other dwelling r bedroom: Apartment, townhouses, cq►domini g units, per 1.0 person Section 10. Secion 18-79 (p) of the City Code, City of Chanhassen, Minnesota, is hereW amended to read as follows: Park dedication fees shall be paid at the time of final plat recording. Section 11. Thijordinance shallbe effective immediately upon its passage and publication. PASSED ANP ADOPTED this 23'd `day of January, 2006, by the City Council of the CPity of Chanhassen, Minnesota. Todd Gerhardt, Manager Thomas A. Furlong, Mayo (Published in to Chanhassen VillW on Thursday, Febru 2, 2006; No. 4601)