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2009-September 17 PC 1 0 2 W e s t M a i n S t r e e t \ P r a t t v i l l e , A L 3 6 0 6 7 \ 334. 5 9 5 . 0 5 0 0 \ p r a t t v i l l e a l . g o v BILL GILLESPIE, JR. MAYOR J. SCOTT STEPHENS, AICP DIRECTOR C ITY O F P R A TTVILLE P LA N N IN G C OMM IS S IO N A GEN D A September 17, 2020 3:00 p.m. Call to Order: Roll Call: Mayor Gillespie, Councilman Cables, Chairman Smith, Vice-Chairman Gardner, Chief Johnson, Mrs. Carpenter, Mr. Hayden, Mr. Jackson, and Mr. Mullins. Minutes: August 20, 2020 Old Business: 1. Sketch Plan: Henderson Property Location: Henderson Lane and US Highway 31 N Petitioner: William Henderson Representative: Flowers and White Engineering, LLC Tabled 6/18, 7/16, 8/20 District 3 2. Zoning Amendment: R-2 (Single Family Residential) to R-3 (Single Family Residential) Henderson Property Location: Henderson Lane and US Highway 31 N Petitioner: William Henderson Representative: Flowers and White Engineering, LLC Tabled 6/18, 7/16, 8/20 District 3 3. Preliminary Plat: Midtown Oaks Plat 5 Location: South of Sunset Drive and Honeysuckle Drive Petitioner: Goodwyn Building Company, Inc. Representative: Goodwyn, Mills & Cawood, Inc. Tabled 8/20 Public Hearing District 7 4. Subdivision Regulations Amendment: Flag Lots 5. Subdivision Regulations Amendment: Access Roads New Business: 6. Preliminary Plat: Park Place Plat #1 Location: College Street Petitioner: Evelyn Doster Holdings, LLC Public Hearing District 1 Miscellaneous: Adjourn: Approved 10/15/20 Prattville Planning Commission September 17, 2020 Minutes Page 1 of 3 CITY OF PRATTVILLE PLANNING COMMISSION MINUTES September 17, 2020 Call to order: Chairman Tim Smith called the meeting to order at 3:00 p.m. Roll Call: Members present were Mayor Bill Gillespie, Chairman Tim Smith, Vice-Chairman Reuben Gardner, Chief Dallis Johnson, Mrs. Paula Carpenter, and Mr. Seth Hayden. Absent: Councilman Richard Cables, Mr. Martin Jackson, and Mr. Mugs Mullins. (Quorum present) Staff present: Mr. Scott Stephens, City Planner; Mr. Darrell Rigsby, Senior Planner; Mr. Tommie Williams, Planner; and Ms. Alisa Morgan, Secretary. Minutes: Mr. Gardner moved to approve the minutes of the August 20, 2020 meeting. Chief Johnson seconded the motion. The motion passed unanimously. Old Business: 1. Sketch Plan: Henderson Property Location: Henderson Lane and US Highway 31 N Petitioner: William Henderson Representative: Flowers and White Engineering, LLC 2. Zoning Amendment: R-2 (Single Family Residential) to R-3 (Single Family Residential) Henderson Property Location: Henderson Lane and US Highway 31 N Petitioner: William Henderson Representative: Flowers and White Engineering, LLC Ken White, Jr. of Flowers and White Engineering, LLC, petitioner’s representative, made a request to withdraw the sketch plan and rezoning amendment of Henderson Property. New Business: 3. Preliminary Plat: Midtown Oaks Plat 5 Location: South of Sunset Drive and Honeysuckle Drive Petitioner: Goodwyn Building Company, Inc. Representative: Goodwyn, Mills & Cawood, Inc. Mr. Stephens introduced the preliminary plat of Midtown Oaks Plat 5. The proposed 36 lot subdivision is an extension of the Midtown Oaks Subdivision. He stated that staff recommends approval contingent upon property is rezoned to R-3, construction plans fully approved by staff, stormwater plans fully approved by staff, and final plat to include stormwater easement and detention areas. Juan Gacha of Goodwyn, Mills & Cawood, Inc., stated that the proposed plat is continuing as the previous Midtown Oaks development. He stated that they plan to continue to Plat 6. Chairman Smith opened the floor for public comments. There being none, the public hearing was closed. Approved 10/15/20 Prattville Planning Commission September 17, 2020 Minutes Page 2 of 3 Mr. Gardner introduced a resolution recommending approval of the preliminary plat of Midtown Oaks Plat 5 and moved for its approval. Mrs. Carpenter seconded the motion. During the Commission’s discussion they expressed concerns about the development’s continuance without a master plan for future development. After their discussion, the vote was called. The motion to approve passed unanimously. 6. Preliminary Plat: Park Place Plat #1 Location: College Street Petitioner: Evelyn Doster Holdings, LLC Ed Rouze, petitioner, was present as representative for the preliminary plat of Park Place Plat #1. Mr. Stephens introduced the preliminary plat of Park Place Plat #1. He stated that the property is zoned R-2, single-family residential and the proposed lots do not comply with the zoning requirements. The petitioner received Board of Zoning Adjustment approval (12/19/2019) to allow the varied setback requirements making the existing lots legal non-conforming. Chairman Smith opened the floor for public comments. There being none, the public hearing was closed. Mrs. Carpenter introduced a resolution recommending approval of the preliminary plat of Park Place Plat #1 and moved for its approval. Mr. Gardner seconded the motion. The motion to approve passed unanimously. 7. Subdivision Regulations Amendment: Flag Lots Mr. Stephens presented the proposed amendment to the Subdivision Regulations to address flag lots as reviewed by the committee. Chairman Smith introduced a resolution recommending approval to amend the Subdivision Regulations, Article V, Section F.-Lots and moved for its approval. Mr. Gardner seconded the motion. Chairman Smith opened the floor for public comments. There being none, the public hearing was closed. Mrs. Carpenter moved to amend the amendment as presented to include that (f.) prior to a certificate of occupancy being issued, an all-weather driveway surface shall be in place. Mayor Gillespie seconded the motion. The motion to amend passed unanimously. The amended motion to approve passed unanimously. 8. Subdivision Regulations Amendment: Access Roads Mr. Stephens presented the proposed amendment to the Subdivision Regulations to address streets’ access and remoteness into subdivisions as reviewed by the committee. Approved 10/15/20 Prattville Planning Commission September 17, 2020 Minutes Page 3 of 3 Chairman Smith opened the floor for public comments. There being none, the public hearing was closed. Councilman Cables introduced a resolution recommending approval to amend the Subdivision Regulations, Article V, Section B.-Streets and moved for its approval. Chief Johnson seconded the motion. The motion to approve passed unanimously. Miscellaneous Business: Mr. Stephens provided an update to the Project Prattville (Comprehensive Plan). He stated that a meeting will be held on Tuesday (9/22) at the Doster Center at 6:00 p.m. Interested parties can also view via Zoom. Mr. Stephens also encouraged everyone to complete the Census and reminded them of the importance in doing so. Adjourn: There being no other business, the meeting was adjourned at 3:38 p.m. Respectfully submitted, Alisa Morgan, Secretary Prattville Planning Commission Preliminary Plat for Midtown Oaks Plat 5 CitizenServe #20-000859; PRE20-000014 Page 1 of 3 Planning Commission Staff Report SUBDIVISION NAME: Preliminary Plat for Midtown Oaks 5 MEETING DATE: September 17, 2020 A.BACKGROUND: Applicant/Representative: Goodwyn Mills & Cawood on behalf of HD&D Land Company, LLC Owner: HD&D Land Company, LLC Property Location: South of Sunset Drive at Honeysuckle Drive Property Identification: Autauga County 19051530070440000 Property Size: 62 +/- Acres Future Land Use Map (FLUM) Designation: Mixed-Use Residential Current Zoning District: R-2 Single Family Residential Existing Land Use: Vacant / Undeveloped Land B.DEVELOPMENT STATUS & HISTORY: Previous Requests: May not be exhaustive 5/21/2020 Sketch Plan Approved by PC 8/21/2020 Rezoning from R-2 to R-3 rec’d by PC Agenda Item #3 Preliminary Plat for Midtown Oaks Plat 5 CitizenServe #20-000859; PRE20-000014 Page 2 of 3 C.SURROUNDING LAND USE AND ZONING: D.EVALUATION/COMMENTS: Street Connectivity: Proposed subdivision connects Sunset Drive and Honeysuckle Drive with a connecting street in between. Water/Sewer: This site has access to existing municipal water or municipal sewer. R-3 Single Family Residential District Standards: Lot requirements for uses in R-2 vs. R-3 Zoning: Direction Land Use Zoning North Single Family Residential (Midtown Oaks) R-3 South Vacant / Undeveloped R-2 / FAR East Vacant / Undeveloped R-2 West Single-Family Residential (Abney Estates) R-2 R-2 Single Family Residential R-3 Single Family Residential Minimum Lot Size 10,500 ft2 7,500 ft2 Minimum Width at Building Line 75 feet 60 feet Maximum Lot Coverage 25% 35% Front Setback 35 feet 25 feet Rear Yard 40 feet 30 feet Side Yards 10 feet / 10 feet 8 feet / 6 feet Agenda Item #3 Preliminary Plat for Midtown Oaks Plat 5 CitizenServe #20-000859; PRE20-000014 Page 3 of 3 Staff Comments: This preliminary plat proposes to subdivide 9.324 +/- acres into 36 lots, and include a remaining 10+/- acre parcel (Future Phase 6) and a 42+/- acre parcel for stormwater purposes. This plat is an extension of the Midtown Oaks Subdivision. The PC recommended rezoning of this area from R-2 to R-3 at its 8/21/2020 meeting. Staff recommends approval of plat with the following conditions: 1.Property is rezoned to R-3 (public hearing and vote scheduled for 10/6/2020 City Council meeting) 2.Construction plans fully approved by staff 3.Stormwater plans fully approved by staff 4.Final Plat to include stormwater easement and detention areas Reviewed by: Darrell Rigsby, Senior Planner Recommendation: Approve with Conditions Agenda Item #3 SUNSET DRSUNSET CTGEORGE DRHONEYSUCKLE DRAerial Map - Midtown Oaks #5 ± Legend Subject Area Streets Autauga Tax Parcels 0 500250 Feet Locations are approximate Agenda Item #3 SUNSET DR LIN A D R LEIGH DRCAROL STPATRICK ST ABN E Y D R H O N E Y S U C K L E D R STONEWALL DRGEORGE DRLAWRENCE STSARA LNS M E M O R I A L D R DANYA DRDANYA CT CER E S A D R MO R R I S C I R OLD H W Y 3 1 PELHAM LNSTRENGTH ST SUNSET CTLO U I S E C T Location Map - Midtown Oaks #5 ± Legend Subject Area Streets Autauga Tax Parcels 0 1,000500 Feet Locations are approximate Agenda Item #3 SUNSET DR LIN A D R LEIGH DRCAROL STPATRICK ST ABN E Y D R H O N E Y S U C K L E D R STONEWALL DRGEORGE DRLAWRENCE STSARA LNS M E M O R I A L D R DANYA DRDANYA CT CER E S A D R MO R R I S C I R OLD H W Y 3 1 PELHAM LNSTRENGTH ST SUNSET CTLO U I S E C T R-2 F.A.R. T-1 R-3 B-2 R-3 R-6 R-2 Zoning Map - Midtown Oaks #5 ± Legend Subject Area Streets Autauga Tax Parcels R-2 R-3 R-6 B-2 T-1 F.A.R. 0 1,000500 Feet Locations are approximate Agenda Item #3 Agenda Item #3 Agenda Item #3 BLOCK D BLOCK A BLOCK D BLOCK B BLOCK CPLAT 1 PLAT 2 PLAT 4 BLOCK EBLOCK D BLOCK FBLOCK GFUTURE PLAT 6 DRAWN BY:ISSUE DATECHECKED BY:sheetofA E D G F H 1 2 3 4 65 7 8 109 B C 1 2 3 4 65 7 8 109 MIDTOWN OAKSSUBDIVISION PLAT 5PRATTVILLE, ALABAMACMGM200078Initial Submittal07.21.2020Per City Comments 09.14.20202660 East Chase Lane, Suite 200T 334.271.3200G M C N E T W O R K . C O MMontgomery, AL 36117PRELIMINARYSITE PLANC3.010 60'120' Scale: 1" = 60' SITE LOCATION VICINITY MAP NOT TO SCALE T:\Montgomery\CMGM Proj\Goodwyn Building CO\20-00xx Midtown Oaks Plat 5\0 DWG\+PLANS\C3.01 SITE PLAN MIDTOWN OAKS-PLAT 5.dwg Agenda Item #3 BLOCK EBLOCK F FUTURE PLAT 6 DRAWN BY:ISSUE DATECHECKED BY:sheetofA E D G F H 1 2 3 4 65 7 8 109 B C 1 2 3 4 65 7 8 109 MIDTOWN OAKSSUBDIVISION PLAT 5PRATTVILLE, ALABAMACMGM200078Initial Submittal07.21.2020Per City Comments 09.14.20202660 East Chase Lane, Suite 200T 334.271.3200G M C N E T W O R K . C O MMontgomery, AL 36117PRELIMINARYSITE PLANC3.020 100'200' Scale: 1" = 100' SITE LOCATION VICINITY MAP NOT TO SCALE T:\Montgomery\CMGM Proj\Goodwyn Building CO\20-00xx Midtown Oaks Plat 5\0 DWG\+PLANS\C3.01 SITE PLAN MIDTOWN OAKS-PLAT 5.dwg Parcel A Agenda Item #3 Page 1 of 3 Planning Commission Staff Report SUBDIVISION NAME: Preliminary Plat for Park Place MEETING DATE: September 17, 2020 A.BACKGROUND: Applicant/Representative: Evelyn Doster Holdings, LLC. Owner: Evelyn Doster Holdings, LLC. Property Location: East Main and College Street Property Identification: 19051620000250000, 19051620000310000, 19051620000320000, 19051620000260000 Property Size: 2.04 acres Current Zoning District: R-2 Single Family Residential Existing Land Use: Residential B.DEVELOPMENT STATUS & HISTORY: Previous Requests: May not be exhaustive 12/19/2019 – Variance for 232 & 244 E Main Street; 320,326,321, & 325 College Street Request - A Variance has been requested reduce the minimum lot dimensions, minimum area and setback requirements. Variance requested of 15.56’ for front setback/18.46’ width at building line & 731 Sq ft. for lot 10A (326 College Street) Variance requested of 15.26’ for front setback, and 2.15’ & 1.47’ for side setback/ 21.97’ width at building line & lot area of 2,670 sq. ft. for lot 9A (320 College Street) Variance requested of 23.01’ for front setback/ 3.19’ & 2.7’ for side setback/ 26.96’ width at building line & lot area of 1,810.1 Sq ft. for lot 2A (321 College Street) Variance requested of 22.91’for front setback & 3.04’ for side setback/ 18.02’ width at building line & 2,295.1 sq. ft. lot area for lot 1A (325 College Street) Page 2 of 3  Variance for accessory structure on Lot 9A & 10A of 0’ & Lot 2A & 1A of 0’. C. SURROUNDING LAND USE AND ZONING: D. EVALUATION/COMMENTS: Street Connectivity: Proposed subdivision borders East Main Street and College. No additional streets are proposed in plat. Water/Sewer: This site has access to existing municipal water or municipal sewer. R-2 Single Family Residential District Standards: Lot requirements for uses in R-2 zoning include the following: MINIMUM SETBACKS AND YARD SIZES:  Front – 35 Feet  Rear – 40 Feet  Sides – 10 Feet MINIMUM/MAXIMUM YARD SIZE:  Minimum Area – 10,500 sq. ft.  Minimum Width at Building Line – 75 Feet  Maximum Lot Coverage – 25% Direction Land Use Zoning North Developed Residential R-2 Single-Family South Developed Residential R-2 Single-Family & R-6 Townhouse East Developed Residential R-2 Single-Family West Developed Residential R-2 Single-Family Page 3 of 3 Staff Comments: This preliminary plat proposes to subdivide blocks A & C. The blocks will be subdivided into 8 different parcels, with the largest parcel being 0.58 acres and the smallest being 0.16 acres. Block A will be subdivided into lots 9A and 10A, while Block C will be subdivided into lots 1A, 2A, & 3A. Lots 3, 5A, & 7A are existing. All of the lots will have a dwelling located on it except lot 3, which will remain empty. These lots have existing houses on them. The petitioner desires to separate them into individual lots. December 19, 2019 the applicant petitioned to encroach on front and side setbacks, reduce the minimum lot dimensions, and reduce minimum lot area for lots 10A, 9A, 2A, & 1A. The minimum setbacks and minimum yard size are listed above. The applicant also wanted to request a variance 0` setback for the accessory structures on lots 10A, 9A, 2A, and 1A. The zoning ordinance states that an “Accessory structures shall not be located closer than five feet (5') to property lines” and their structures are located directly on the property line. Reviewed by: Tommie Williams, Planner Recommendation: Approve Agenda Item #6 E MAIN ST S WASHINGTON ST Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID,IGN, and the GIS User Community ±LegendSubject Area018090 Feet Locations are approximate Aerial Map - Park Place Agenda Item #6 1ST ST E MAIN ST S WASHINGTON STCOLLEGE STS CHESTNUT STS NORTHINGTON STOAKCREEKCIRTICHNOR ST W MAIN ST Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID,IGN, and the GIS User Community ±LegendSubject Area0400200 Feet Locations are approximate Location Map - Park Place Agenda Item #6 1ST ST E MAIN ST S WASHINGTON STS NORTHINGTON STCOLLEGE STR-2 B-2 R-3 B-2 O-1 R-6 ±LegendSubject Area0300150 Feet Locations are approximate Zoning Map - Park Place Agenda Item #6 Agenda Item #6 Agenda Item #6 Text Amendment: Flag Lots Page 1 of 1 Planning Commission Staff Report TEXT AMENDMENT: Proposed amendment to Subdivision Regulations, Article V, Section F. – Lots, to provide specific requirements and guidance if and when flag lots are proposed in subdivisions MEETING DATE: August 20, 2020 Please see attachment with proposed language to amend the Subdivision Regulations, Article V (General Requirements and Minimum Design Standards), Section F (Lots). The proposed language will define and provide specific requirements for flag lots if a subdivider desires to utilize them in a design. Reviewed by: Scott Stephens Recommendation: Approve Attachment A Section F. - Lots. (1) Layout: Lot sizes, width, depth, shape, and orientations, together with minimum building setback lines, shall be appropriate to the location of the subdivision, the zoning, and to the type of development or use intended. (2) Size: Minimum lot dimensions must meet the requirements of the zoning ordinance and the health department. In such cases where requirements conflict, the larger requirement shall govern. (3) Depth and width: Depth and width of properties laid out for commercial and industrial purposes shall be adequate for off-street parking and loading. All lot depths shall be adequate for the use intended. (4) Corner lots: Corner lots for residential use shall have sufficient width to permit appropriate building setback from and orientation to both streets. (5) Connection to public street required: Each new lot shall front upon a street whose right-of-way is not less than fifty (50) feet in width and which is connected with the public street system. (6) Double frontage lots: Double frontage and reverse frontage lots shall be avoided except where essential to provide separation of residential development from traffic arteries, or so as to overcome specific disadvantages of topography and orientation. The subdivider shall put in a planting screen easement of not less than ten (10) feet in width, and across which there shall be no right of access, along the line of lots abutting such a traffic artery or other linear feature. (7) Side lot lines: Side lot lines shall be substantially at right angles to streets except on curves where they shall be radial. (8) Flag lots: Lots so shaped that the building area is set back from the street on which it fronts, and includes an access strip (the stem) connecting the building area to the street. a. Flag lots may be allowed in a subdivision to better utilize irregularly shaped property or areas with other limitations. b. The minimum area for a flag lot shall be at least twice that of the minimum area required by the underlying zoning or other minimum lot area requirements. c. The stem shall be at least 25 feet in width along its full length from street frontage to building area. d. Flag lots may be created in groups not exceeding two. In such cases, the stems must be adjacent. Non-adjacent flag lot stems on the same side of the street shall be separated by a distance of at least 300 feet. Stems shall be at least 50 feet from any intersection. e. Setback requirements must be met within the main building area of the lot. Text Amendment: Access Roads Page 1 of 1 Planning Commission Staff Report TEXT AMENDMENT: Proposed amendment to Subdivision Regulations, Article V, Section B. – Streets, to provide specific requirements and guidance for access roads into subdivisions. MEETING DATE: August 20, 2020 Please see attachment with proposed language to amend the Subdivision Regulations, Article V (General Requirements and Minimum Design Standards), Section B (Streets). The proposed language will define and provide specific requirements for the number of access roads, as well as a minimum distance of separation (or ‘remoteness’), in residential subdivisions. Reviewed by: Scott Stephens Recommendation: Approve Attachment A Section B. - Streets. (1) General regulations: a. Arrangement of streets: The arrangement, character, extent, width, grade, and locations of all streets shall conform to the community plan and shall be considered in relations to existing and proposed streets, topographical conditions, the public convenience and safety, and their appropriate relation to proposed land uses served by such streets. b. Streets not shown on plan: Where such is not shown in the community plan, the arrangement of streets in a subdivision shall either: 1. Provide for the continuation or appropriate projection of existing major streets in surrounding area; or 2. Conform to a plan for the neighborhood approved or adopted by the planning commission. c. Minor streets: Minor streets shall be so laid out so that their use by through traffic is discouraged. d. Buffering along arterials: Where a subdivision abuts or contains an existing or proposed arterial street, the planning commission may require marginal access streets, reverse frontage with screen planting contained in a non-access reservation along the rear property line, deep lots with rear service access, or such other treatment as may be necessary for adequate protection of residential properties and to afford separation of through and local traffic. e. Access along linear barriers: Where a subdivision borders on or contains a railroad right-of-way or limited access highway right-of-way, stream way or drainage way; the planning commission may require a street approximately parallel to or on each side of such right-of-way or feature. The location of any such road shall be determined with due regard for the proper use of land and for the requirements of approach grades and future grade separations. f. Tangent requirements: A minimum tangent of one hundred (100) feet shall be introduced between reverse curves on arterial and collector streets or greater as determined necessary by the city engineer. g. Sight distances: When connecting street lines deflect from each other at any one point by more than ten (10) degrees, they shall be connected by a curve with a radius adequate to ensure a sight distance of not less than two hundred (200) feet for minor and collector streets and of such greater radii as the city engineer shall determine for other streets. h. Angle of intersection: All streets shall intersect as nearly as possible at right angles. If the angle of intersection is greater than five (5) degrees from the vertical, the intersection must be approved by the city engineer. i. Arterial sight distances: Intersections with an arterial street or boulevard shall be at least eight hundred (800) feet apart measured from centerline to centerline, and all such intersections shall be subject to the approval of the planning commission. j. Sight lines to be maintained: Proper sight lines shall be maintained at all intersections of streets. Measured along the centerline, there shall be a clear sight triangle of seventy-five (75) feet for local and collector streets and one hundred fifty (150) feet for arterial streets; from a point of intersection. This shall be indicated on all plans. No building or obstruction shall be permitted in this area. k. Rounding at street corners: Property lines at street intersections shall be rounded with a radius of twenty (20) feet, or of greater radius where the planning commission may deem it necessary. Comparable cutoffs or chords may be permitted in place of rounded corners. l. Developments of one- or two-family dwellings, where the number of dwelling units exceeds 30, shall be provided with at least two separate access roads. Where multiple access roads are required, at least two shall be placed a distance apart equal to not less than one-half of the length of the maximum overall diagonal dimension of the property or area to be served, measured in a straight line between accesses. Where the planning commission finds that hardships my result from strict compliance with this section it may, after receiving an opinion from the Fire Marshal and any other appropriate staff, consider the following exceptions: 1. All dwelling units are equipped throughout with an approved automatic sprinkler system 2. Adequate access points provided for future development 3. Reduction of distance between access roads with the following conditions: i. Additional fire hydrants provided as determined by the Fire Marshal ii. No overhead utilities installed in development (i.e. no large utility or power poles) (2) Unusable reserve strips: Reserve strips controlling access to streets shall not be allowed except where such control is placed with the city under conditions approved by the planning commission. (3) Street jogs: Street jogs with centerline offsets of less than one hundred twenty-five (125) feet shall be avoided. (4) Minimum street right-of-way widths: Street right-of-way widths shall be as shown in the community plan or where not shown they shall not be less than as follows: Street Type Right-of-Way (in feet) Arterial boulevard* 120** Arterial street* 100 Collector street* 65 Minor street 50 Marginal access street 50 Cul-de-sacs and loops 50 Alleys 24 *Major streets **The amount of right-of-way deemed reasonable to be required by dedication shall not exceed 120 feet in width. It is also deemed reasonable that an additional 20-foot setback be required along proposed arterial highways and streets, in addition to the setback required in the zoning ordinance. (5) Minimum roadway widths: Pavement Width from Curb Faces Street Type (in feet) Arterial boulevard 60 Arterial street 51 Collector street 42 Minor street 29 Marginal access street 29 Cul-de-sacs and loops 29 Alleys (curb not required) 20 (6) Additional width on existing streets: Subdivisions that adjoin existing streets shall dedicate additional right-of-way to meet the minimum street requirements specified above in B(4) and (5). a. The entire right-of-way shall be provided where any part of the subdivision is on both sides of the existing street. b. When the subdivision is located on only one (1) side of the existing street, one-half of the required right-of-way, measured from the centerline of the roadway shall be dedicated. (7) Street grades: Street grades shall not exceed the following unless otherwise recommended and approved by the city engineer. Street Type Percent grade Arterial boulevard 03.0* Arterial street 05.0* Collector street 07.0* Minor street 12.0* Marginal access street 12.0* Cul-de-sacs and loops 12.0* Alleys 12.0* *Vertical curves shall be such as to prevent abrupt change and shall be as approved by the city engineer. (8) Gutter grades: The minimum grade of any gutter shall not be less than five-tenths (0.5) percent unless otherwise approved by the city engineer. Cross drains are not permitted on streets of collector level or above unless recommended by the city engineer. (9) Horizontal curves: Where a deflection angle of more than ten (10) degrees in the alignment of a street occurs, a curve of reasonably long radius shall be introduced. On streets sixty-five (65) feet or more in width, the centerline radius of curvature shall be not less than three hundred (300) feet; and on other streets, not less than one hundred (100) feet. (10) Vertical curves: Every change in grade shall be connected by a vertical curve constructed so as to afford a minimum sight distance of two hundred (200) feet, said sight distance being measured from the driver's eye, which is assumed to be three and one-half (3½) feet above the pavement surface to an object six (6) inches high on the pavement. Profiles of all streets showing natural and finished grades drawn to a scale of not less than one (1) inch equals one hundred (100) feet horizontal, and one (1) inch equals twenty (20) feet vertical, may be required by the planning commission. Delta, T, and R shall be noted on the vertical profiles. On major streets greater sight distance may be required by the city engineer. (11) Cul-de-sacs (dead end streets): a. Turn-arounds required: Minor terminal streets or courts designed to have one end permanently closed shall be no more than one thousand (1000) feet long unless greater length is necessitated by topography. All such streets shall be provided at the closed end with a turn-around having an outside roadway diameter of at least eighty (80) feet and a street right-of-way of at least one hundred (100) feet. b. Temporary turn-arounds: Where, in the opinion of the planning commission, it is desirable to provide for street access to adjoining property, proposed streets shall be extended by dedication to the boundary of the subdivision. Such streets shall have a right-of-way of at least fifty (50) feet and be provided with a temporary turn-around having a roadway diameter of at least eighty (80) feet (Not required if stub out is only one (1) lot in depth). (12) Alleys: a. Where required: Alleys shall be provided in commercial and industrial subdivisions. The planning commission may waive this requirement where other definite and assured access is provided. b. Where optional: Provisions for alleys along the rear of residential lots is optional except where, in the opinion of the planning commission, such alleys are advisable. c. Alignment: At all intersections, changes in alignment shall be avoided, but where necessary, corners shall be cut off sufficiently to permit safe vehicle movement. d. Dead ends: Dead end alleys shall be avoided where possible, but if unavoidable, shall be provided with an adequate turn-around as required by the city engineer. (13) Alternative street standards: Subdivisions not located within the corporate limits of the City of Prattville, in which public streets shall be accepted and maintained by a county government, may be developed to such standards and using such surfaces as the county shall direct, provided that: a. Right-of-way widths and curb and gutter requirements shall not be less than those required by these regulations for comparable city road types. b. All public roads shall be paved. (14) Curb and gutter requirements: Curbs and gutters shall be required for all streets except those on which no lot is less than one and one-half (1½) acre in size, and no lot dimension fronting on a street is less than one hundred fifty (150) feet. Curb and gutter may still be required if, in the opinion of the city engineer, they are required for proper drainage.