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Ordinance 2004-66 ORDINANCE NO. 2004- 66 AN ORDINANCE OF THE BOARD OF COUNTY COMMISSIONERS OF COLLIER COUNTY, FLORIDA, PROVIDING FOR THE CREATION OF A COLLIER COUNTY ADMINISTRATIVE CODE; PROVIDING FOR THE SUBSEQUENT AMENDMENT, REVISION, OR MODIFICATION TO THAT ADMINISTRATIVE CODE; PROVIDING FOR CONFLICT AND SEVERABILITY; PROVIDING FOR CODIFICATION AND INCLUSION IN THE CODE OF LAWS AND ORDINANCES; AND PROVIDING FOR AN EFFECTIVE DATE. RECITALS WHEREAS, the Board of County Commissioners ("Board"), as the governing body in and for Collier County, desires to provide for a comprehensive compilation of those certain procedures that are followed for selected administrative functions regularly performed by County government; and WHEREAS, the Board has determined that its creation of an Administrative Code is in the best interests of the efficient administration of the County's governmental powers and that such administrative codes are authorized pursuant to Section '1?5.74 (1 )(j), Fla. Stat. (2004); and ,-'! , " WHEREAS, this Ordinance is intended to establish an Administrativ~~Code anêrl to provide for a simplified and expeditious method to maintain and ~mend~ th~ :::~ ;:.~ r. n Administrative Code. i:;'r;i NOW, THEREFORE BE IT ORDAINED by the Board of County Commissioners of Collier County, Florida, that: SECTION ONE: RECITALS The foregoing Recitals are true and correct and are incorporated by reference herein as if fully set forth. SECTION TWO: CREATION OF, AND SUBSEQUENT AMENDMENTS, REVISIONS, OR MODIFICATIONS TO, AN ADMINISTRATIVE CODE. The Collier County Code of Laws and Ordinances is amended to add the following provisions to Chapter 2, Administration, in Article 1, In General) as Section 2-10, et seq., thereof, and reserving those sections presently "Reserved" and not otherwise used or required by this Ordinance: Page I of 4 Words ~tfllel, thrøl:lgh are deleted, words underlined are added Sec. 2-10. Administrative Code. A Collier County Administrative Code. authorized pursuant to Section 125.74 (1)(i). Fla. Stat. (2004). is to be created and maintained by the County Manaqer as provided for in this Code. The classification and numberinq system for cataloquinq the provisions of the Administrative Code will be as specified by procedures set forth in an adopted administrative code provision. as will be any procedures for the draftinq and review of such provisions prior to their adoption. Sec. 2-11. Amendment of Administrative Code. All amendments. additions. revisions. or modifications required to maintain the Collier County Administrative Code will be made by resolution of the Board adopted by majority vote at any reqular or special meetinq of the Board. Such resolutions may be placed as an item on the reqular. consent. or summary meetinq aqenda. as deemed appropriate by the County Manaqer in consultation with the County Attorney. Sec. 2-12. Form of Administrative Code. All provisions of the Administrative Code are to be published on a form substantially similar to that set forth in Exhibit A. below: ADMINISTRATIVE CODE COLLIER COUNTY BOARD OF COUNTY COMMISSIONERS CATEGORY: CODE NUMBER: CODE SECTION HEADING: ADOPTED: AMENDED: ORIGINATING DIVISION/DEPARTMENT: PURPOSE/SCOPE: POLICY/PROCEDURE: rPage#l AC X-X:Y . . ExhIbIt A Page 2 of4 Words struGk throl:lgh are deleted, words underlined are added SECTION THREE: ADOPTION OF PROVISIONS INTO ADMINISTRATIVE CODE The provisions contained in Exhibit "A," attached hereto and incorporated by reference as if fully set forth herein, are hereby adopted as the initial provisions of the Collier County Administrative Code. SECTION FOUR: CONFLICT AND SEVERABILITY In the event that this Ordinance conflicts with any other Ordinance of Collier County or other applicable law, the more restrictive provisions will apply. If any phrase or portion of this Ordinance is held invalid or unconstitutional by any court of competent jurisdiction, such portion is to be deemed a separate, distinct and independent provision and such holding will not affect the validity of the remaining portion. SECTION FIVE: CODIFICATION, INCLUSION IN ADMINISTRATIVE CODE AND SCRIVENER'S ERRORS The provisions of this Ordinance are to be made a part of the Collier County Code of Laws and Ordinances, and the text of Exhibit "A" is to be made a part of the Collier County Administrative Code consistent with the form adopted as part of Code of Laws Section 2-12 in its Exhibit "A." The sections of the Ordinance may be renumbered or re-Iettered to accomplish such, and the word "ordinance" may be changed to "section," "article," or any other appropriate word. Typographical/Scrivener's errors which do not affect the intent of the Ordinance's provisions may be authorized by the County Manager, or his designee, without need of further public hearing, by filing a corrected or re-codified copy of the same with the Clerk of the Circuit Court. SECTION SIX: EFFECTIVE DATE This Ordinance will become effective upon filing with the Department of State', except that the provisions of the adopted Administrative Code set forth in Exhibit A of Section Three are effective at 12:01 A.M., on October 18, 2004. Page 3 of4 Words struck throl:lgh are deleted, words underlined are added PASSED AND DULY ADOPTED by the Board of County Commissioners of Collier County, Florida, this /t7<~ Mday of ¿) (! It' b¿,~ 2004. ATTEST: DWIGHT ~. BROCK, CLERK 'c, BOARD OF COUNTY COMMISSIONERS OF COLLIER COUNTY, FLORIDA ~~¿~ DO NA FIALA, CHAIRMAN By: ,\.' By: . ~. . ~ .' .. . ;,.~. ,.: k' ~putv. Clerk -Attest (,HI' 0 0 '!<" ~. S ;; fqAAture.. ooJi. ""j . , \', ,I, " ApprovedL'äs'to form and ~p¡;¡ Patrick G. it Assistant County Attorney TrT~ ~!_-~;-';·f!t..;.f-w'~ tfìè SecretCi'Y,~ ,;'!ç..-' ¡}/'? ...i.5- ¿ C Y Of Cu'..) () b eY, .4.or,)'f. end o:I,;~: 0 , fl'j:'-r- r-.~<">:..~--,·"i f-! :.--, ?~ "I <J ',:;,...... \ '~.~,~ ,f ',.-~ --'.!§.'--" of ()rj~¡¡~ð""" _ BY<_···oo -- DI.;:,C:'.Ü:.' t.;~ïk Page 4 of4 Words struck through are deleted, words underlined are added EXHIBIT "A" ADMINISTRATIVE CODE FOR FEES Establishment of schedule of fees, costs and other charges. The board of county commissioners will, from time to time as deemed necessary, establish and adopt a schedule of fees and charges for application and document processing, public meetings, public hearings, other meetings and hearings, transcripts, approvals, denials, development permits, development orders, development, construction, interpretations, enforcement, inspection services, sales of documents, review, resubmission, and any other zoning or development related services, and any other services provided or costs incurred by or on behalf of the county as specified in this administrative code. Maintenance and amendment of schedule. The schedule of fees, costs and other charges shall be maintained in the county manager's office and shall be available for public inspection during normal business hours. Additional copies or part or all of the schedule of fees, costs and other charges may be maintained in other appropriate county departments. The schedule of fees, costs and other charges may be amended, modified or otherwise changed in accordance with the procedures of this administrative code. Payment of fees, costs, and other charges. The appropriate fees, costs, and other charges specified in the schedule of fees, costs and other charges must be submitted with, and paid at the time of, initial application submission or other initial document submission except as otherwise specified in this administrative code or the schedule of fees, costs, and other charges. The applicant, or if no applicant, the person requesting the county service, document, or other item, will be responsible for the payment of all fees, costs and other charges identified in the schedule of fees, costs and other charges, except as expressly provided otherwise in this administrative code or the schedule of fees, costs, and other charges. The fees, costs, and other charges specified in the schedule of fees and costs and other charges will be twice the amount listed for petitions or requests applied for, or on approval after- the-fact, with the exception of minor after-the-fact yard encroachment requests. Until the applicable fees, costs and other charges have been paid in full, no action or activity of any type or kind will be taken on any other pending application, petition, or request. The provisions contained in this section do not apply to any impact fee regulations. * * * * * * * * * * * * ADMINISTRATIVE CODE FOR COLLIER COUNTY CONSTRUCTION STANDARDS MANUAL Title and Purpose. The following document and any provisions contained herein may be referred to as the Collier County Construction Standards Manual (hereafter "Construction Manual" or "Construction Standards"). The purpose of these Construction Standards is to ensure that development projects within the County conform to aesthetically pleasing and structurally sound standards in order to maintain the character of the community and provide a safe environment for the citizens to live in. Design requirements for subdivisions. A. The design of the required improvements for all subdivisions and developments pursuant to section 10.02.03 of the Land Development Code within Collier County must be in accordance with generally accepted professional engineering principles and practices. The standards established in this section are intended only as minimum guidelines for the design engineer and are not intended to deprive the engineer of their responsibility for the technical adequacy of his design or freedom to use his engineering judgment and discretion in the practice of his profession. B. Design data, such as calculations or analyses, must be submitted along with the subdivision and development improvement plans covering important features affecting design or construction prior to the issuance of any required county development orders, permits or approvals. Such calculations and analyses may include, but not be limited to: low and high water elevations, utility hydraulic and drainage calculations, subsurface soil data, alternate pavement and sub-grade types and centerline elevations when the minimum standards of Florida department of transportation or the American Association of State Highway and Transportation Officials are inadequate, inappropriate or not applicable. C. The design of all required improvements must be equivalent to the county design requirements established in any adopted county regulation, as applicable, including the following. 1. Access. Access to lots within a subdivision shall be designed to accomplish access to the lots by use of local streets. Access to residential lots must be in accordance with Code of Laws chapter 110, article II, construction standards handbook for work within the public right-of-way as set froth in Ordinance No. 93-63, as amended. a. Intermittent access points to marginal access roads must be a minimum of 660 feet apart. Access points to marginal access roads must be provided with appropriate turn lanes, signalization or other necessary traffic control measures. When double-frontage lots are created adjacent to a collector or arterial street and a local street, they must front on the local street, which will provide access to said lot. Access to the lot will not be provided by means of the major collector or arterial street. In such cases, the lot will be buffered as required herein. Access management regulations as required by the Growth Management Act and county comprehensive plan, when implemented, will supersede this section where applicable. Where access locations are not consistent with the county's access management policy, a separate access capacity analysis will be required to identify capacity impacts and appropriate mitigation. b. In the case of commercial or industrial subdivisions which contain or include parcels which are separated by common parking area or other common area, sometimes referred to as "outparcels", "anchor store parcels", or "fee simple footprint parcels", or an integrated phased development as defined in Section 1.08.00 of the Land Development Code, access will be created through an internal access provision documented on the final subdivision plat. Internal access provisions shown on the final subdivision plat will include by way of example, but not limited to, cross-covenants, cross-easements, dedicated access tracts, or the like, and will clearly and specifically identify the dominant and servient estates involved, and the scope and duration of such internal access provision. 2. Alleys. Industrial, commercial and residential alley along the rear lot lines must have an alley easement at least 24 feet wide containing a vehicular pavement width of at least ten feet. a. The alley edge of pavement-radius must be a minimum of 15 feet and be designed for the appropriate design vehicle. b. Alley grades must not exceed five percent or be less than 0.3 percent. c. All alleys created must be owned and maintained by a property owners' association or other similar entity and will be so dedicated on the final plat. 3. Blocks. The length, width and shape of blocks are to be determined with due regard to: a. Zoning requirements as to lot size and dimensions. b. Need for convenient access, circulation, control and safety of vehicular and pedestrian traffic. c. Limitations and opportunities of topography, including all natural and preserved features identified. Where special topographical conditions exist, block lengths greater than 660 feet may be approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. Traffic calming devices, as approved in the Neighborhood Traffic Management Program, are to be provided in block lengths greater than 660 feet. 4. Bridges. Bridges will be designed in accordance with current Florida department of transportation practices or appropriate specifications by the applicant's structural engineer and may be required to include provisions for utility installations and will require sidewalks on both sides of the bridge. The bridge must be designed by a Florida professional engineer and is subject to the approval of the county manager or his designee and those other agencies having jurisdiction over the proposed facilities. Generally, bridges will be designed as reinforced concrete, however, other low maintenance materials may be used upon request and approval, when supported by a design report prepared by the developer's professional engineer which provides particular assurance relative to the integrity of the materials to be utilized. a. At a minimum, the width of all bridges will be required to incorporate a clear roadway width equaling the travel lane width plus two feet to the curb and six-foot sidewalks; however, variations may be considered pursuant to section 10.02.04 of the Land Development Code. Bridge width may vary with the classification of the roadway section to be carried. All bridge structures must be designed for H-20 loading, incorporating adequate corrosion and erosion protection. 5. Buffers. Landscape buffers, when required by this administrative code, section 4.06.00 of the Land Development Code, or other county regulation must be in addition to the required right-of-way width and will be designated as a separate buffer tract or easement on the final subdivision plat. The minimum buffer width must be in conformance with section 4.06.00 of the Land Development Code. In no case will the required buffer be constructed to reduce cross-corner or stopping sight distances, or safe pedestrian passage. All buffer tracts or easements must be owned and maintained by a property owner's association or other similar entity and will be so dedicated on the final subdivision plat. 6. Canals. Any navigable canal or waterway designed as part of a development or subdivision, intended to serve two or more properties, will be designed in compliance with the requirements of the county's water management master plan and sections 22-106 through 22-119 of the Code of Laws, or other governmental entities with jurisdiction, where applicable. The slopes of the canal banks must be stabilized with suitable riprap, native vegetation or other proven erosion control measures. 7. Easements. a. Utility easements. Utility easements no less than ten feet wide, unless otherwise approved by the County Manager or his designee pursuant to section 10.02.04 of the Land Development Code, must be provided to accommodate all required utilities to, across, or along lots and, where possible, will be centered on lot lines with convenient access for maintenance. Utility easements and drainage easements may not be combined without prior written approval of the county manager or his designee; and drainage easements will take precedence and be so noted on the final subdivision plat. i. All utility easements for water and sewer facilities that will be conveyed to the Collier County Water-Sewer District must be separately identified and dedicated on the final subdivision plat as "County Utility Easement" (C.U.E.) and must be a minimum of 15 feet wide unless otherwise approved by the Collier County utility division. Except when crossing other easements, such easements will not be inconsistent with other existing utility easements, or later subjected to uses inconsistent with the use of the easement area for utility purposes unless otherwise approved by the Collier County utility division pursuant to the conditions in section 10.02.04 of the Land Development Code. b. Drainage easements. Drainage easements will be provided to accommodate open drainage facilities at a width no less than a total of ten feet. The actual size of the easement in excess of the ten-foot minimum will be determined based on the hydraulic design of the flowway and the use of bank stabilization approved by the county manager or his designee or minimum side slopes at a four to one ratio, without stabilization. i. Where underground drainage structures are installed, the easement width will be sized to accommodate construction, ----"~,--"'------- maintenance and replacement of said structures. In no case will said easement be less than 15 feet in width, unless otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. ii. When a subdivision or development includes or requires access across canals, watercourses, water bodies, streams, drainageways, channels, naturally occurring wetlands (that are to be preserved), or the like, a drainage easement and adjoining maintenance/access easement will be provided which conforms substantially to the lines of such watercourses unless otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. Maintenance and access easements for the subdivision's or development's approved water management system will be created and sized in compliance with the rules and regulations of the South Florida Water Management District, as amended. For canals or waterways maintenance/access easement will be provided in accordance with requirements of the entity with responsibility for maintenance/access. iii. Drainage easements will be created to provide for the flow of surface waters from contributory areas. c. Protected/preserve area and easements. A nonexclusive easement or tract in favor of Collier County, without any maintenance obligation, will be provided for all "protected/preserve" areas required to be designated on the preliminary and final subdivision plats or only on the final subdivision plat if the applicant chooses not to submit the optional preliminary subdivision plat. Any buildable lot or parcel subject to or abutting a protected/preserve area required to be designated on the preliminary and final subdivision plats, or only on the final subdivision plat if the applicant chooses not to submit the optional preliminary subdivision plat, must have a minimum 25-foot setback from the boundary of such protected/preserve area in which no principle structure may be constructed. Further, the preliminary and final subdivision plats, or only on the final subdivision plat if the applicant chooses not to submit the optional preliminary subdivision plat, will require that no alteration, including accessory structures, fill placement, grading, plant alteration or removal, or similar activity will be permitted within such setback area without the prior written consent of the county manager or his designee; provided, in no event will these activities be permitted in such setback area within ten feet of the protected/preserve area boundary. Additional regulations regarding preserve setbacks and buffers are located in sections 3.05.00 and 10.02.06 of the Land Development Code, and will be applicable for all preserves, regardless if they are platted or simply identified by recorded conservation easement. i. The boundaries of all required easements must be dimensioned on the final subdivision plat. Required protected/preserve areas must be identified as separate tracts or easements having access to them from a platted right-of-way. No individual residential or commercial lot or parcel lines may project into them when platted as a tract. If the protected/preserve area is determined to be jurisdictional in nature, verification must be provided which documents the approval of the boundary limits from the appropriate local, state or federal agencies having jurisdiction and when applicable pursuant to the requirements and provisions of the growth management plan. All required easements or tracts for protected/preserve areas will be dedicated and also establish the permitted uses for said easement(s) and/or tracts on the final subdivision plat to Collier County without the responsibility for maintenance and/or to a property owners' association or similar entity with maintenance responsibilities. An applicant who wishes to set aside, dedicate or grant additional protected preserve areas not otherwise required to be designated on the preliminary subdivision plat and final subdivision plats, or only on the final subdivision plat if the applicant chooses not to submit the optional preliminary subdivision plat, may do so by grant or dedication without being bound by the provisions of this section. d. Improvement plans. The improvement plans for required improvements which will be constructed within an existing easement must illustrate the existing easement and existing facilities, and the proposed easement and the proposed facilities. Copies of the improvement plans will be provided by the applicant to the holder of the easement(s) simultaneously with its submission to the county. i. The review and approval of improvement plans does not authorize the construction of required improvements which are inconsistent with existing easement(s) of record. 8. Fire hydrants. All hydrants must be connected to water systems having sufficient storage or emergency pumping facilities to provide for the minimum fire flows to be maintained for at least four hours or the current recommendation of the Fire Suppression Rating of the Insurance Services Office, whichever is greater. Hydrants must be placed on common lot lines within the approved right-of-way unless greater otherwise approved by the County Manager or his designee pursuant to section 10.02.04 of the Land Development Code. a. Hydrants must be installed and placed in a manner complying with the requirements set forth in the latest edition of NFPA No. 24 entitled "Standard for the I nstallation of Private Fire Service Mains and Their Appurtenances," published by the National Fire Protection Association. Hydrants to be installed within subdivided lots for fire protection purposes will be evaluated during the site development plan review process as required in section 10.02.03 of the Land Development Code. Those installations must comply with the standards set forth in the latest edition of NFPA 1141 entitled "Standard for Fire Protection in Planned Building Groups." i. Residential land development. In one and two-family land developments with not more than ten dwelling units per acre, fire hydrants will be spaced not greater than 500 feet apart and not more than 250 feet from the center of any lot in the subdivision and must be connected to mains no less than six inches in diameter. The system must provide capacity for fire flows of at least 500 gallons per minute or greater, in addition to maximum day domestic requirements at residual pressures of not less than 20 pounds per square inch unless otherwise required by the applicable fire code. ii. Commercial, industrial, single family with structures in excess of 5,000 square feet, and multifamily developments. Fire hydrants located in these areas must be connected to water mains no less than eight inches in diameter. In no case will the spacing of hydrants be greater than 300 feet apart. Additional on site fire hydrants are required when portions of structures are more than 150 feet from the street. These hydrants will be located as determined by the fire code official. Hydrant spacing and size must be capable of providing water flows adequate to meet the requirements of the Fire Flow Analysis. In no case will the flow be less than 750 gallons per minute with the residual pressure of 20 pounds per square inch at the most demanding point of discharge. 9. Median strips and entranceways. a. Median strips. Median strips which are part of the publicly dedicated or deeded right-of-way will not be utilized for any purpose other than by the county or a public utility. When an applicant desires to beautify a public median strip in a subdivision he may do so in accordance with the guidelines established in section 4.06.00 of the Land Development Code to allow placing of grass, shrubs and trees in general within the median strip under a right-of-way permit after submission and approval of landscaping plans. Selection of landscaping within the public or private median will be based on accepted traffic safety standards and the prevention of interference with maintenance requirements of utilities within a median. Upon completion of the median improvements, the landscaping will be maintained by a property owners' association, a condominium association, cooperative association, or other like or similar entity. b. Subdivision or land development entrance ways. Subdivision or development entranceways consisting of habitable or unhabitable structures, walls, fences, gates, rock piles or the like are not permitted within the median strip of a publicly dedicated right-of- way. Decorative entranceways may be constructed upon property adjacent to a right-of-way in compliance with this Code and will be placed so as to not interfere with any cross-corner or stopping sight distance or constitute a traffic hazard. Any improvements within private rights-of-way must not be placed over any underground improvements without the prior written consent of the intended owner of the improvements. Upon completion of the entranceway, all improvements will be maintained by the property owners' association, condominium association, cooperative association, or other similar entity. 10. Monuments. The design and location of permanent reference monuments, "P.R.M.s," and permanent control points, "P.C.P.s," shall be as prescribed by F.S. ch. 177, as amended. Where monuments would occur within street pavement areas, they will be installed utilizing appropriate offset monuments as prescribed by F.S. ch. 177, as amended. All information pertaining to the location of P.R.M.s will be indicated in note form on the plat, such as underground installations and the like. 11. Sanitary sewage system, central. A complete central sewer system and interim wastewater treatment facility, if required, must be designed and constructed to provide service to all lots and parcels within the subdivision or development. The system will be designed, constructed, owned, operated and maintained pursuant to the requirements of the Utilities Standards and Procedures provisions of the Code of Laws in Chapter 134, Article III, as amended, or to specifications of the applicable service provider. 12. Sanitary sewage system, individual. Except as otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code, no subdivision or development will be constructed utilizing individual sewage disposal system for each lot or parcel. Any exemption from this requirement must be designed in conformance with chapter 100-6, F.A.C., and must obtain the written approval of the county manager or designee and the board of county commissioners. Such exemption must be in compliance with the provisions of the county's growth management plan, and must be approved by the County Manager or his designee. 13. Streets. The street layout of all subdivisions or developments must be coordinated with the street systems of the surrounding areas. Adjacent properties must be provided with local street interconnections unless topography, other natural features, or other ordinances/regulations do not allow or require said connections. All arterial or collector streets will be planned to conform to the Collier County comprehensive plan. Collector and arterial streets within a development will not have individual residential driveway connections. Their location and right-of-way cross section must be reviewed and approved by the county manager or designee during the preliminary subdivision plat review process. All subdivisions will provide rights-of-way in conformance with the comprehensive plan and the right-of-way cross section contained in appendix B. All streets must be designed and constructed to provide for optimum vehicular and pedestrian safety, long service life and low cost of maintenance. a. Street access. Every subdivision or development will have legal and adequate access to a street dedicated for public use and which has been accepted for maintenance by or dedicated to the State of Florida or Collier County, as described in section 10.02.05 of the Land Development Code. When a subdivision or development does not immediately adjoin such a street, the applicant must provide access to the development from a dedicated street in accordance with these regulations and provide legal documentation that access is available to the project site. All lots within a subdivision or development must be provided legal access to a street dedicated for public use. b. Adjoining or proposed adjoining street c systems. The arrangement of streets in subdivisions or developments may be required to make provision for the continuation of existing or proposed collector or arterial streets to and from adjoining ....._"._..._...~..-- properties, whether developed or undeveloped, and for their proper projection to ensure a coordinated and integrated street system per requirements of the growth management plan, this administrative code or other ordinances and regulations. Where a subdivision or development abuts an existing or proposed public arterial or collector street, buffering will be required as per section 4.06.00 of the Land Development Code. c. Local streets. Use of local streets by cut through traffic will be discouraged, using methods (like traffic calming) that do not compromise connectivity or reduce the number of access points to the subdivision. d. Traffic analysis. If the proposed land development or subdivision will generate traffic volumes in excess of 1,000 ADT (average daily trips) or 100 vehicles per hour, peak hour/peak season, whichever is more restrictive, then a traffic analysis, prepared by a professional engineer, must be provided by the developer. i. The analysis will show the impact on the proposed internal streets of the subdivision or development and existing externally affected streets. The analysis will be used to determine the street classification, width and number of traffic lanes internal to the development and any requirements for off-site (external) improvements on the existing street system per the Collier County growth management plan. e. Street right-of-way width. The minimum right-of-way widths to be utilized will be as follows and, where applicable, will be clarified by the cross sections contained in appendix B. and will be directly related to traffic volume as indicated in the definition of each street continued herein and where applicable clarified by the cross sections contained in appendix B. Private street right-of-way widths and design may be determined on a case-by-case basis in accordance with section 10.02.04 of the Land Development Code. Street Type (feet) R/W Width* Number of All Streets Lane Width (feet) lanes Cul-de-sac 60 2 10 Local 60 2 10 Minor collector 80 2 11 --1 2 Minor collector 80--1 00 2 11 --1 2 (divided) Major collector or As determined for 4 11--12 minor arterial* median and turn lanes Note: Any rural cross sections approved may require expanded right-of-way widths for additional shoulder and swale facilities. Design to be approved on a case-by-case basis. *If an alley is utilized, the right-of-way width may be reduced upon approval of the transportation services administrator. f. Dead-end streets. Dead-end streets will be prohibited except when designed as a cul-de-sac. When a street is designed to be extended when the adjacent property is developed, a temporary cul-de-sac and right-of-way will be designed. Culs-de-sac in excess of 1,000 feet will not be permitted unless existing topographical conditions or other natural features preclude a street layout to avoid longer culs-de-sac. When conflicts occur between the design standards of this section and the County Fire Protection Code, or its successor provisions in Code of Laws Chapter 58, Article III, the standards of this section will take precedence. i. Culs-de-sac must have a minimum 40-foot pavement radius (to back of valley gutter) and 50-foot right-of-way radius. If islands are to be installed within a cul-de-sac, they must have a minimum 45-foot outside edge of pavement and an inside edge of pavement radius of no greater than 25 feet (See Figure 4 below). 2' 0' 2' . Cul-de-sac Detail Not to Sect e Figure 4 g. Curbs/valley guttt~r. All streets must be provided with valley gutter or curbs to provide for drainage. Curbs will be required at street intersections and for those areas requiring additional vehicular protection. All required intersection curbs must extend ten feet beyond the radius. h. Intersection radii. Street intersections will be provided with a minimum of a 25-foot radius (edge of pavement) for local or cul-de- sac streets and 40-foot radius for collector, arterial and commercial/industrial streets. If two local or cul-de-sac streets intersect at less than 90 degrees, a radius of greater than 30 feet may be required. Intersection right-of-way lines must be provided with no less than a 25-foot radius, or as approved by the county manager or designee. i. All intersections must be provided with ramps where sidewalks are required. i. Intersections and street jogs. Wherever feasible, streets will be arranged so as to intersect at right angles. Two streets must not intersect at an angle less than 60 degrees. When an intersection occurs on a curve, it should be made radially at the point of intersection, with a minimum 75-foot tangent measured from intersecting centerlines. All local cross streets or stop streets should provide a minimum 50-foot tangent measured from intersecting centerline. Any proposed deviation to the tangent requirements must be supported by design calculations submitted by the applicant's professional engineer. The calculations must be based on the roadway speed limit and the Florida Department of Transportation "Green Book" standards for degree of curvature. Streets classified higher than local will be provided with appropriately larger tangents, supported by design calculations. (i) Street jogs, at intersections, are prohibited. In no case will intersections be located closer than 100 feet apart, as measured between closest right-of-way lines. The use of the 100-foot intersection separation criteria will be used only when a traffic impact analysis indicated that neither intersection will require turn lanes or signalization. (ii) Intersections of more than two streets will be subject to the approval of the county manager or designee. j. Reverse curves. Tangents will be provided for all streets, between reverse curves, according to the following, unless otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. Street Classification Tangent (Minimum) (feet) Cul-de-sac 25 Local 50 Minor collector/commercial/industrial 75 All other streets 100 k. Construction in muck or clay areas. The design of street proposed in excessive muck areas will be considered on an individual basis and may, where so directed by the county manager or his designee, require the use of under drains. Alternate methods of construction may be considered by the county manager or his designee based on a design study, containing soil testing data, and recommendations prepared by a geotechnical engineer licensed to practice in the State of Florida and supported by the applicant's professional engineer. I. Materials. Streets must include a stabilized subgrade, base and wearing surface in accordance with standards designated by the county manager or his designee and as shown in the typical sections. i. Subgrade and shoulders. All subgrade and shoulders must be stabilized to a depth of 12 inches and to the full width as shown on the typical section drawing. The stabilized area must be free of muck, roots and other objectionable material. The subgrade and shoulders must be stabilized and compacted to obtain the minimum limerock bearing ratio (LBR) of 40 LBR and at least 98 percent of maximum density as determined by AASHTO T180. If the bearing value of the natural soil is less than that specified, the subgrade and shoulders must be stabilized in accordance with section 160 of the Florida Department of Transportation Standard Specifications for Road and Bridge Construction (latest edition thereof). The construction of the subgrade and shoulders must generally conform to sections 160-8 and 160-9 of the Florida Department of Transportation Standard Specifications for Road and Bridge Construction (latest edition thereof). ii. Base. The base must be compacted limerock constructed to the thickness specified in the typical section drawing for the class and type of road to be constructed, and must be built to the specified width and centered on the subgrade. Limerock used for the base must meet the standard specifications for grade no. 2 limerock and must be -....--.--..'. - compacted to obtain at least 98 percent maximum density as determined' by AASHTO T180. Construction and materials of the base must conform to sections 200 and 911 of Florida Department of Transportation Standard Specifications for Road and Bridge Construction (latest edition thereof). Alternate base courses that meet FOOT specifications may be considered and approved by the county manager or his designee. iii. Prime. The base must be primed with type RC-70 bituminous material of SS-1 (asphalt emulsion) and must comply with section 270-2 of the standard Florida department of transportation specifications. iv. Surface course. The surface course thickness and width must be as specified in the typical section drawings. The processing of the mixture and construction of the surface course must comply with sections 320, 330 and 332 of the standard Florida department of transportation specifications. v. Grass. All areas within the right-of-way not receiving the surface course must receive seed, fertilizer and mulch in accordance with sections 570, 981, 982 and 983 of the standard Florida department of transportation specifications. Where sod is specified by the County Manager or his designee for erosion control, it will be installed prior to preliminary acceptance of the roadway. vi. Maintenance. The applicant will be responsible for maintenance of the roads for the period between preliminary and final acceptance as specified herein. This includes workmanship, materials, and all repairs and maintenance. vii. Testing, The applicant must have the subgrade and shoulders tested for compaction and limerock bearing ratio (LBR) at intervals set forth in the latest edition of the Florida Department of Transportation Standard Specifications for Road and Bridge Construction or as directed by the county manager or his designee. The subgrade and base will be tested for compaction by a certified engineering testing laboratory. Prior to acceptance by the county, a copy of the test results along with a statement of compliance issued by the testing laboratory, must be furnished. to the county manager or his designee. viii. Inspection. During construction, a field inspection will be made by the county manager or his designee. It is the applicant's 0 responsibility to provide written notice to the county manager or his designee when construction is ready for inspection. ix. Signs. The developer must provide and install traffic control signs, street name and speed limit signs. All signs must be of noncorrosive, reflective material construction or of a type approved by the county manager or his designee. One double-sided street name sign of standard design as prescribed by current county standards will be provided at each intersection for each named street unless otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. A street sign will be placed at a point eight feet from the edge of pavement on a radial line that bisects the intersection radius curve unless otherwise approved by the county manager or his designe(3 pursuant to section section 10.02.04 of the Land Development Code. All signs must be designated on the construction plans prior to their approval by the county manager or his designee. x. Pavement striping. All work will be in accordance with section 711 of the Florida Department of Transportation Standard Specifications for Road and Bridge Construction (latest edition thereof). m. Alternative types of pavement, base and subgrade. Alternate types of pavement, base and subgrade determined by the county manager or his designee to be equivalent to those specified in this section may be approved. Application for such approval must be accompanied by written data, calculations and analysis which show, by generally accepted engineering principles, that the alternate types are Hqual or superior to those specified. n. Street grades. Street grades must be determined in relation to the drainage facilities for the subdivision and must not exceed four percent nor be less than 0.3 percent, unless otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. Street grades must be shown on the development plans by direction and percent of fall on the road profiles. o. Swales. Swales will not be permitted within the right-of-way in lieu of curbs or valley gutters unless the provision for a rural section specified in section 10.02.05 of the Land Development Code, Required improvements, is justified. Swales may be permitted to convey rear yard drainage and to collect street drainage. p. Marginal access streets. Where a subdivision or development abuts or contains existing limited access highway, freeway or arterial street, and if access is desired to adjoining property other than street connections, a marginal access street to afford separation of through and local traffic may be required by the county manager or his designee. q. Half streets. Half or partial streets will not be permitted except where essential to the reasonable development of a property in conformance with the circulation plan, comprehensive plan or these regulations and where, in addition, dedication of the remaining part of the required street right-of-way is provided. Whenever a property to be developed borders on an existing half or partial street, the other part of the street will be required to be dedicated and constructed within such property. A proposed development or subdivision that adjoins or includes an existing street which does not conform to the minimum right-of-way requirements of these regulations must provide for the dedication of additional right-of- way along either one or both sides of said street so that the minimum right-of-way requirements of these regulations will be esta bl ished. r. Limited access strips. Limited access strips controlling access to streets on adjacent parcels will be prohibited except where approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. s. Clearance and height. At least 17 feet of nominal clearance must be provided over the full width of public streets, private streets, fire lanes, and other means of vehicular access. Overhead public utilities may require a greater height and will be evaluated on a case-by-case basis. t. Pavement samples. The developer must provide core samples of both the base course and surface course of the completed public and private roadways prior to preliminary approval. The core samples will be taken at a maximum of 300 feet intervals and arrangements will be made to immediately replace the areas so removed with materials and construction to conform to the specifications and to the line and grade of the immediate surroundings' pavement surface. The core samples must be taken by an approved testing laboratory and/or professional engineer and certified as to location and thickness measured. i. A tolerance of one-quarter inch for pavement surface and one-half inch for base course may be accepted. Any deviations more than these tolerances will result in withholding preliminary acceptance until such time that the pavement is brought up to county standards. u. Sidewalk parking. The distance from the back of the sidewalk to the garage door must be at least 23 feet to allow room to park a vehicle on the driveway without parking over the sidewalk. Should the garage be side-loaded there must be at least a 23-foot paved area on a perpendicular plane to the garage door or plans must ensure that parked vehicles will not interfere with pedestrian traffic. 14. Utility installation. After the clearing, grubbing, and grading has been completed within six inches of final subgrade of the roadway for a street, all underground work for the water mains, sanitary sewers, storm sewers, gas mains, telephone, electrical power conduits and appurtenances and any other utility will be installed across the width of the street to the sidewalk area, or provisions will be made so that the roadway or right-of- way will not be disturbed by future utility installations. All underground improvements so installed for the purpose of future service connections will be properly capped and backfilled. 15. Utility casings. All casings to be installed within the roadway section of a project must be located at a depth at least six inches below the bottom elevation of the roadway stabilized based course. All casings providing water service must extend to the intersection of the right-of-way line and the lot line. Unless approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code, all casings required for the complete service of underground utilities to the subdivision must be installed during the construction phase of the project. Any casing which must be placed after completion of the roadway stabilization and paving will have its method of installation approved by the county manager or his designee. 16. Water management. a. Scope. A complete stormwater management system will be provided for all areas within the subdivision or development, including lots, streets and alleys. The system design must meet the applicable provisions of the current Collier County codes and ordinances, South Florida Water Management District rules and regulations pursuant to F.S. ch. 373, and chapter 17-40 and title 40E, Florida Administrative Code, and any other affected state and federal agencies' 0 rules and regulations in effect at the time of preliminary subdivision plat submission. i. Where stormwater runoff from outside the subdivision or development historically passes on, passes over or through areas of the subdivision or development, such runoff must be included in the stormwater system design. The system must be designed for long life, low cost maintenance by normal methods and provide for optimal on-site detention of stormwater runoff and groundwater recharge in accordance with applicable county and SFWMD regulations. ii. Water management areas will be required to be maintained in perpetuity according to the approved plans. Water management areas not maintained will be corrected according to approved plans within 30 days. b. Rainfall and runoff criteria. The system must be designed for "design floods" resulting from rain storms and antecedent conditions for all system components in accordance with current Collier County and South Florida Water Management District criteria. i. Lakes. Artificial lakes and retention basins proposed as part of a stormwater retention system for on-site water management must be designed and, when required by this administrative code or other ordinances or regulations of Collier County, state or region, monitored for quality by the applicant pursuant to the county excavation regulations, at no cost to the county. All lakes will be set back from abutting roadways or intersections pursuant to the design standards established in sections 22-106 through 22-119 of the Code of Laws and Ordinances. ii. Runoff coefficients. Existing land usage will be considered for the selection of proper runoff coefficients within the drainage basins involved, whether within the subdivision or development or not. c. Stormwater outfalls. Stormwater runoff must be conducted to positive outfalls that can be permanently maintained, practicably and legally. Outfalls to existing waterways, canals, preserve or conservation areas, lakes or storm sewers will be acceptable provided it can be demonstrated through a professional engineering study to the county manager or his designee that such receiving systems have adequate capacity to receive the proposed quantity and quality of the additional flow. i. Side ditches or swales along public or private roads will not be accepted as suitable positive outfalls except as may be specifically accepted under the provisions of this administrative code by the county manager or his designee, and by the Florida department of transportation if applicable. The storage of stormwater runoff in other existing or proposed ditches or swales within a public or private right-of- way will be permitted for volume storage when approved under South Florida Water Management District design criteria, but will not be utilized to satisfy the stormwater storage (quality) requirements of a development's master water management system. ii. Drainage wells or underdrains may be accepted as positive outfalls where adequate percolation volumes can be provided in locations capable of accepting the design quantities of water. d. Major waterway. Improvement or establishment of major waterways and canals will be developed in full accord with applicable stormwater management criteria. Engineering data, criteria and suitable calculations will be submitted to the county manager or his designee prior to approval of construction plans. i. Roadways over major waterways will be structures approved by the county manager or his designee, sized to maintain flow capacity, designed to assure long life and minimal maintenance. Construction must meet all current Florida Department of Transportation Standard Specifications for Road and Bridge Construction, unless otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code. e. Outfall ditches and open channels. Unless otherwise approved by the county manager or his designee pursuant to section 10.02.04 of the Land Development Code, side slopes no steeper than four to one will be allowed. Protection against scour and erosion will be provided as required by the county manager or his designee. f. Roadside swales. i. Design. In the interest of preserving the existing natural groundwater levels, roadways will not be designed so as to cause the significant lowering of the water levels existing in the area prior to development. Roadside swales and ditches may be permitted within street rights-of-way where the use of roadside swales can be justified to the county manager or his designee through a written report prepared by the applicant's professional engineer. Swales, where permissible, will have side slopes no steeper than four to one and they will not be utilized to satisfy the stormwater quality (volume) requirements of a project's master water management system. Where flow velocities in excess of four feet per second are anticipated, urban right-of-way sections will be required. ii. Erosion protection. All unpaved areas within the permanent right-of-way must be provided with permanent erosion protection, such as native vegetation or turf. Swale ditches will be sodded, sprigged or seeded a lateral distance extending from the road pavement to the top of the swale ditch backs lope. Where valley guttered sections are used for drainageways, turf protection must be placed from the edge of the gutter to the outer limits of the right-of-way. If seeding is utilized, then mulching in accordance with the Florida department of transportation standards will be required. Additionally, if seeding and mulching are utilized, then a strip of sod one foot wide will be placed along the face of the pavement or curb section and over the invert of any approved swale section within the runoff flowway. All swales subject to erosion velocities will have adequate erosion protection in the form of riprap or other applicable like methods. iii. Driveways across swale ditches. Driveways across permitted swale ditches must have placed beneath them drainage pipes of adequate size and type approved by the county manager or his designee, based on the capacity requirements calculated by the applicant's professional engineer for the development's master water management system. g. Street drainage. Street drainage within the road right-of-way through grassed swales will be permitted for rural cross sections only except where velocities in excess of four feet per second are anticipated. The flow from these swales or other types of drainage facilities will be diverted to natural percolation areas, artificial seepage basins or artificial lakes of at least sufficient capacity to comply with the criteria of Collier County and the South Florida Water Management District. Other equally effective methods of returning cleansed waters to the aquifer will be acceptable upon prior review and approval by the county manager or his designee. i. Existing natural lakes may be used as detention areas provided that they have adequate storage capacity and that pretreatment measures approved by the county manager or his designee are taken to prevent pollutant matter from entering the lake. Positive outfall drainage facilities will be provided away from all percolation areas, seepage basins, detention areas and artificial lakes to handle the runoff from storms which exceed the required design storm event in duration and/or severity. h. Percolation areas. The actual area required will depend on the percolation rate for the soils at the specific site and the manner in which the site is developed in accordance with Collier County and South Florida Water Management District criteria. All percolation areas will be grassed in accordance with requirements of this administrative code and will be planted in trees, shrubs, or other plants capable of taking up large volumes of nutrients. i. Underground drainage. Where drainage plans provide for, or it is so directed by the county manager or designee, the collection of stormwater in underground pipes, inlets and other appurtenances for conveyance to an intermediate or ultimate outfall, the following minimum design criteria will be observed: (i) The minimum pipe used within a publicly maintained stormwater collection system will be 15 inches in diameter. (ii) Inlets will be spaced at such intervals and in such a manner to allow for the acceptance of 100 percent of the ten-year, one-hour storm runoff. (iii) The distance between terminating and intermediate structures must not exceed those required by the Florida department of transportation, pursuant to Florida Department of Transportation Drainage Manual, Volumes 1--4 (1987 edition or latest revision). (iv) The stormwater, underground collection system, must be so designed that the elevation of the hydraulic gradient during a ten-year, one-hour storm event is never higher than "'" . _......<...~"- the crown elevation of any publicly maintained roadway in the system.. (v) The pipes must be designed to minimize sediment deposits. (vi) The pipe materials must meet the requirements set forth in sections 943--948 inclusive of the current edition of the Florida Department of Transportation Standard Specifications for Road and Bridge ConstruCtion. Only concrete pipe or other pipe materials approved by the county manager or his designee may be used in tidal or salt waters. (vii) All drainage pipes must be fitted with headwalls, endwalls, inlets and other appropriate terminating and intermediate structures. j. Stormwater disposal. The method of ultimate disposal of storm waters will be dependent upon the soil characteristic underlying the development or subdivision. All stormwaters will be subjected to treatment for the removal of petroleum residues, oils, suspended solids and other pollutants found in stormwater runoff. The method of treatment will be determined by the applicant's professional engineer responsible for the preparation of the stormwater management plans and specifications, and will be subject to the approval of the county manager or his designee and the concerned state agencies. STATE OF FLORIDA) COUNTY OF COLLIER) I, DWIGHT E. BROCK, Clerk of Courts in and for the Twentieth Judicial Circuit, Collier County, Florida, do hereby certify that the foregoing is a true and correct copy of: ORDINANCE 2004-66 Which was adopted by the Board of County Commissioners on the 12th day of October 2004, during Regular Session. WITNESS my hand and the official seal of the Board of County Commissioners of Collier County, Florida, this 14th day of October, 2004. DWIGHT E. BROCK",. \':1'= ~., Clerk of Courts .~ttà:..aleitJf, ~.,. 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