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RES 2022-0810 - Purple Martin Hill - Preliminary PlatWOODB R O O K IDA P O I N T E N O R T H AG R4 R4 Know what's below.before you dig.Call R OF REVISIONS DESIGNER / DRAFTER PROJECT NUMBER DATE SHEET BOOK AND PAGE LAMPRYNEARSON.COM OMAHA, NEBRASKA14710 W. DODGE RD, STE. 100 (402)496.2498 FORT COLLINS, COLORADO4715 INNOVATION DR., STE. 100 (970)226.0342 KANSAS CITY, MISSOURI9001 STATE LINE RD., STE. 200 (816)361.0440 WILLIAM E. KNIGHT LS-566 PURPLE MARTIN HILL EXHIBIT A PJB City of Omaha Planning Department 1819 Farnam Street Suite 1100 Omaha, NE 68183 402-444-5150 Planning.CityofOmaha.org Date: July 27, 2022 Case Number: C10-22-182, C10-22-183, C12-22-184 Applicant: Denise Gehringer Sheltering Tree Inc. Request: Preliminary Plat approval of PURPLE MARTIN HILL, a subdivision outside city limits, with rezoning from AG to DR and R6, along with expansion of the MCC-Major Commercial Corridor Overlay District for a portion of the site. Location: Northwest of 180th Street and Purple Martin Parkway I. GENERAL INFORMATION: Purpose: To subdivide and rezone approximately 19 acres to allow for development of a 48-unit affordable apartment complex. Existing Use(s): Undeveloped Existing Zoning: AG Adjacent Land Use(s): Adjacent Zoning North: Agricultural North: AG South: Residential South: R4 East: Agricultural East: AG West: Civic West: R4 Future Land Use Designation(s): Low Density Residential Applicable Regulations: If approved, development of the site will be subject to the underlying DR and R6 zoning regulations, the MCC-Major Commercial Corridor Overlay District requirements for a portion of the site, and all other applicable regulations. II. SPECIAL INFORMATION: Site Characteristics: The subject site comprises approximately 19 acres of unplatted ground located northwest of 180th Street and Purple Martin Parkway. The land is generally flat and has historically been used for agricultural purposes. Development Proposal: At the July 6, 2022 meeting, the Planning Board laid over this request for Preliminary Plat approval of PURPLE MARTIN HILL, a subdivision outside city limits, with rezoning from AG to DR and R6, along with expansion of the MCC-Major Commercial Corridor Overlay District for a portion of the site, to allow the applicant time to submit additional documentation related to PCSMP as well as to hold a neighborhood meeting with adjacent property owners. The applicant has since submitted the necessary PCSMP materials and also held a neighborhood meeting on July 20, 2022. The applicant still proposes to subdivide the property into two lots and one outlot in two phases of development. PURPLE MARTIN HILL Case No.C10-22-182, C10-22-183, C12-22-184 Page: 2 PJB The first phase of development (Lot 1 & OL A) comprises the west half of the subdivision and proposes construction of a 48-unit single-story affordable apartment complex and limited surface parking for developmentally disabled individuals. Outlot A is designated for drainage purposes and would also include a driveway connection for the proposed apartment complex to the adjacent street. 182nd Street will be extended as part of phase one, providing the required north/south through-route connection from Fort Street to Ida Street. Both Lot 1 and Outlot A are proposed with R6 zoning. Phase two (Lot 2) incorporates the east half of the subdivision. No development is proposed on Lot 2 at this time. Lot 2 is proposed with DR zoning along with the MCC-Major Commercial Corridor Overlay District. Public Improvements: Traffic and Circulation: Grant a noise attenuation easement 115 feet from the centerline of 180th Street, and show the standard easement language on the plat. Place a note on the plat that there shall be no direct access to 180th Street from any lots. Provide a reimbursement for prior 180th Street improvements. Provide for the widening of 180th Street to three lanes along the subdivision’s frontage. Review the Right of Way dedication along 180th Street. The existing right of way is incorrectly shown. ROW must be dedicated for 180th Street, 75 feet from the centerline. Coordinate with the Planning and Public Works Departments on the Complete Streets Design Guide Design Checklists. Proposed site grades along the boundaries of the platting, adjacent to 180th Street, must be coordinated with the future improvement of the roadway. The consultant will be required to submit cross section information, for review purposes, that shows the relationship of the proposed site grading to the existing and future 180th Street improvements. Certification of the grade coordination will be required prior to the City of Omaha’s approval of the final plat. Temporary turn-arounds must be provided at the terminus of all temporarily dead-ended streets. If Purple Martin Hill Addition will not be located in a Sanitary Improvement District, a maintenance agreement will be required before Douglas County will provide routine maintenance of public streets or request street lights on behalf of the Developer. If not located in a Sanitary Improvement District, major maintenance activities are the responsibility of the adjacent property owner. PURPLE MARTIN HILL Case No.C10-22-182, C10-22-183, C12-22-184 Page: 3 PJB Sanitary Sewer: Submit the 30% design report for the sanitary sewer to the Public Works Design Division per Section 2.14 of the City’s Wastewater Collection Systems Design Manual. Storm Sewer: Storm sewer design computations and final plans must be submitted to the Douglas County Engineer for review that relate to the handling of roadway and site drainage along the development boundary adjacent to 180th Street. Sidewalks: Construct sidewalks along all street frontages, including the subdivision’s 180th Street frontage. Utilities: Any grading, sewer or utility work carried out in conjunction with this development, in 180th Street right-of-ways, will require a permit(s) from the Douglas County Engineer. Transmission lines exist on the south side of the development and within 180th Street right-of-way adjacent to this site; the applicant must coordinate with OPPD regarding the layout of the proposed development. Grading and Drainage: Receive preliminary approval of the PCSMP from Public Works prior to the application for final plat approval; upload the drainage study and preliminary plans to Permix. The project must comply with all stormwater management policies and ordinances, including providing for a no net increase in stormwater runoff. and treating the first ½” of stormwater for water quality. Parks and Open Space: Parks: Coordinate the design and construction of park P46 with adjacent SIDs and the Omaha Parks Department park planning staff. The park design shall meet the requirements as outlined in the Suburban Park Master Plan, 2016 Update. The park must be designed by a Professional Landscape Architect licensed in the State of Nebraska. Six foot wide sidewalk and street trees will need to be installed on the north side of Purple Martin Parkway. Final construction plans for these improvements will need to be submitted to the Parks Department for review and approval. Trails and/or open space constructed within the development that are not part of the suburban park master plan shall be privately constructed and maintained by the developer, HOA or other approved entity park. Outlots: Provide for the use, ownership, and maintenance of the outlot in the subdivision agreement. Environmental: Noxious Weeds: The applicant has submitted an acceptable letter of approval from Douglas County for a Noxious Weed Plan. Tree canopy analysis and mitigation plan are satisfactory. Ten (10) mitigation trees will be planted in the common area of the multifamily buildings. No wetlands are present on the site. Emergency Management: The applicant has submitted a letter stating that installation of a new outdoor warning siren is required with this development. The applicant PURPLE MARTIN HILL Case No.C10-22-182, C10-22-183, C12-22-184 Page: 4 PJB must coordinate with the Douglas County Emergency Management Agency regarding the installation of the required outdoor warning system. Financing: No financing information was provided. Submit a source and use of funds if the subdivision will be located within an SID or indicate that the development will be privately funded. Land Use and Planning: Future Land Use: The subject site is designated for low-density residential development in the Future Land Use element of the Omaha Master Plan. However, the Master Plan allows for groupings of 100 multi-family units outside of the density corridors and away from the office, commercial or civic portions of a mixed-use area, provided it is more than a quarter mile away from the nearest multi-family development. The subject site is more than a quarter mile away from any adjacent multi-family development and the R6-zoned lot is 4.595 acres, which would limit the number of possible units on this lot to 100, per the allowed density in the R6 district. Outlot A is also proposed with R6 zoning. However, the intention of this R6 zoning is to allow for the proposed driveway connection to cross through the outlot to the multi-family development and will not result in any additional units beyond the 100 allowed on Lot 1 (off-street parking facilities for multi- family may only be located on an adjacent site in the same or a more intensive zoning district). The proposed R6 zoning is appropriate. The proposed DR zoning is in keeping with the low-density residential designation of the Omaha Master Plan for the subject site. Further, one of the intentions of the DR development reserve district is to provide a transitional zone for the orderly conversion of land from agricultural and rural to urban uses. Given the unknown development plans for Lot 2, the proposed DR zoning is appropriate. 180th Street is designated as a Major Commercial Corridor in the Omaha Master Plan. The requested MCC-Overlay for Lot 2 is appropriate. Future development on Lot 2 must comply with the MCC overlay. A detailed code compliance review will take place with the submittal of a building permit. Site Plan: While a full zoning review of the submitted development plan was not completed as part of this request, it was noted that the provided parking does not appear to comply with the proposed unit count per Section 55-734. - Schedule of off-street parking requirements. The applicant has previously indicated the desire to provide less off-street parking than what the zoning regulations would normally require for this use due to the fact that a larger number of their clients do not drive, but are served by van and bus service to and from destinations. Any reduction to the required number of parking stalls must be approved by the Zoning Board of Appeals. III. ANALYSIS: Conditionally, the proposed subdivision and rezoning is consistent with and carries out the goals and objectives of the City of Omaha Master Plan. PURPLE MARTIN HILL Case No.C10-22-182, C10-22-183, C12-22-184 Page: 5 PJB IV. RECOMMENDATIONS: Approval of the rezoning from AG to DR and R6. Approval of the MCC-Major Commercial Corridor Overlay for Lot 2. Approval of the Preliminary Plat, subject to the following conditions: 1. Grant a noise attenuation easement 115 feet from the centerline of 180th Street, and show the standard easement language on the plat. 2. Place a note on the plat that there shall be no direct access to 180th Street from any lots. 3. Provide a reimbursement for prior 180th Street improvements. 4. Provide for the widening of 180th Street to three lanes along the subdivision’s frontage. 5. Dedicate ROW along 180th Street, 75 feet from the centerline. 6. Coordinate with the Planning and Public Works Departments on the Complete Streets Design Guide Design Checklists. 7. Proposed site grades along the boundaries of the platting, adjacent to 180th Street, must be coordinated with the future improvement of the roadway. 8. Temporary turn-arounds must be provided at the terminus of all temporarily dead- ended streets. 9. If Purple Martin Hill Addition will not be located in a Sanitary Improvement District, a maintenance agreement will be required. 10. Submit the 30% design report for the sanitary sewer to the Public Works Design Division per Section 2.14 of the City’s Wastewater Collection Systems Design Manual. 11. Storm sewer design computations and final plans must be submitted to the Douglas County Engineer for review. 12. Construct sidewalks along all street frontages, including the subdivision’s 180th Street frontage. 13. Obtain all necessary permits from Douglas County. 14. Coordinate with OPPD regarding the layout of the proposed development. 15. Receive preliminary approval of the PCSMP from Public Works prior to the application for final plat approval; upload the drainage study and preliminary plans to Permix. 16. Comply with all stormwater management policies and ordinances 17. Coordinate the design and construction of park P46 with adjacent SIDs and the Omaha Parks Department park planning staff. 18. Install Six foot wide sidewalk and street trees on the north side of Purple Martin Parkway. 19. Trails and/or open space constructed within the development that are not part of the suburban park master plan shall be privately constructed and maintained by the developer, HOA or other approved entity park. 20. Provide for the use, ownership, and maintenance of the outlot in the subdivision agreement. 21. Submit a source and use of funds if the subdivision will be located within an SID or indicate that the development will be privately funded. V. ATTACHMENTS: Preliminary Plat Site Plan WOODB R O O K IDA P O I N T E N O R T H AG R4 R4 Know what's below.before you dig.Call R OF REVISIONS DESIGNER / DRAFTER PROJECT NUMBER DATE SHEET BOOK AND PAGE LAMPRYNEARSON.COM OMAHA, NEBRASKA14710 W. DODGE RD, STE. 100 (402)496.2498 FORT COLLINS, COLORADO4715 INNOVATION DR., STE. 100 (970)226.0342 KANSAS CITY, MISSOURI9001 STATE LINE RD., STE. 200 (816)361.0440 WILLIAM E. KNIGHT LS-566 PURPLE MARTIN HILL EXHIBIT A Know what's below.before you dig.Call R LAMPRYNEARSON.COM OMAHA, NEBRASKA14710 W. DODGE RD, STE. 100 (402)496.2498 FORT COLLINS, COLORADO4715 INNOVATION DR., STE. 100 (970)226.0342 KANSAS CITY, MISSOURI9001 STATE LINE RD., STE. 200 (816)361.0440 AARON GROTE SUBJECT AREA IS SHADED - AUGUST 2022 R4 AG R4 AG R4 R4 R4 R4 R4 R4R4 Ha rt ma n Ave Ka ns a s Ave P urp le M a rt in Pkwy N 1 8 3 r d S t N 1 82n d Ave N182nd S t N181st Ave N181st St N 1 80t h St R6 DR ±0 1,300 Feet 4CASE:C10-22-182, C10-22-183, C12-22-184APPLICANT:Denise Gehringer, Sheltering Tree Inc.REQUEST:Preliminary Plat approval of PURPLE MARTIN HILL, a subdivision outside citylimits, with rezoning from AG to DR and R6, along with expansion of the MCC-MajorCommercial Corridor Overlay District for a portion of the siteLOCATION:Northwest of 180th Street and Purple Martin Parkway