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HomeMy WebLinkAboutCity of Tamarac Ordinance O-1971-0220 CITY OF TAMARAC, FLORIDA ORDINANCE N0. 2*4 AN ORDINANCE ADOPTING PLATTING REGULATIONS; PROVIDING STANDARDS FOR THE PREPARATION OF SUBDIVISION PLATS; DEFINING A SUBDIVISION AND OTHER TERMS AND WORDS; REQUIRING SUB- MISSION OF OVER-ALL PLANS TO THE CITY PLANNING AND ZONING BOARD AND OTHER OFFI- CIALS DEPARTMENTS AND GOVERNMENTAL UNITS; ESTAH ISHING STANDARDS FOR OVER-ALL PLANS; ESTABLISHING PENALTIES; PROVIDING AN EF- FECTIVE DATE; REPEALING LAWS IN CONFLICT; AND PROVIDING A SAVINGS CLAUSE. BE IT ORDAINED BY THE COUNCIL OF THE CITY OF TAMARAC, FLORIDA: SECTION 1: The attached Platting Regulations are hereby �\ incorporated herein by reference as if fully set forth herein. SECTION 2: No owner, agent or other developer or vendor of real property in the City of Tamarac shall create a sub- division of land within the definition contained herein without first filing a plat conforming to the requirements hereof, unless a variance has been granted in accordance with the provisions of this Ordinance. SECTION 3: It shall be the duty of the engineering department strictly to enforce all the provisions of this chapter. The general agent, architect, builder, contractor, owner or tenant, or any other person who commits, takes part in or assists in any violation of this chapter, or who maintains any promises in which any violation of this chapter shall exist, shall for each and every violation, upon conviction, be punished by a fine not exceeding One Hundred Dollars ($100.00) or by imprisonment not exceeding thirty (30) days, or by both such fine and imprisonment in the discretion of the municipal judge. Each day a violation is permitted to exist shall constitute a separate offense. SECTION 4: The' City Council recognizes that there are certain parcels of land of such size and shape and subject to such title restrictions or so affected by physical conditions that strict conformity with the standards herein set forth would constitute a hardship. The, City Council may, therefore, grant an exception permit when all of the following conditions pertain: A. That an undue hardship will be imposed, if all the standards set forth herein are complied with and that such compliance would. thus be unreasonable. B. That the granting of the exception will not set a precedent in any way for other and unlike conditions. C. That such permit for exception will not be detrimental to the interests of the community as set forth in this Ordinance. D. Before the City Council may grant an exception, it shall_ first make a finding that such an exception exists. E. The City Council m.ay set forth the conditions which it believes should be imposed as safeguards in the best interest of the community. SECTION 5: The filing of the preliminary plat shall be accompanied by the payment of a filing and plan -checking fee of twenty-five dollars for each tract, plus fifty cents for each separate parcel of land. shown on said tract. SECTION 6: Should any section or provision of this Ordinance or any portion thereof, or any paragraph, sentence or word be declared by a court of competent jurisdiction to be, invalid., such decision shall not affect the validity of the remainder hereof as a whole or any part hereof, other than the part declared to be invalid. SECTION 7: All Ordinances or parts of Ordinances in confict herewith be and the same are hereby repealed. WA Y SECTION 8: This Ordinance shall becorne effective innnediately upon its final passage. PASSED FIRST READING this " day of �' �_ ., .� �, a 1971. PASSED SECOND READING this 'Q day of r 1971. PASSED THIRD READING this.day of_s,—Aft;,—�� ,_, 1971. ATTEST: II CITY CLERK HEZERY CE-izj-,IFY that I hav! approved the form and correctness of this Ordinance `CITY ATTORNEY - IF91 '!1'J 0 001 K RECORD OF COUNCIL VOTE Mayor Seltman , ' - , " 00011 Vice Mayor Lange 14 Councilman Johnson _ia.,g Councilman Schultz Councilman Zarcone A PLATTING REGULATIONS SECTION 1 - PURPOSE OF PLATTING REGULATIONS SECTION 2 - DEFINITIONS SECTION 3 w PROCEDURE FOR PREPARATION & FILING OF PLATS A. Sketch Plats B. Overall Plans C. Preliminary Plats D. Final Plats SECTION 4 - DESIGN STANDARDS FOR SUBDIVISION I i SECTION 1 - PURPOSE OF PLATTING REGULATIONS 1. To assure the orderly and efficient development of the CITY OF TAMARAC. 2. To establish uniform standards for the preparation of subdivision plats. 3. To assure consistent and equitable treatment for Engineers, Surveyors and Subdividers in the review and processing of their plats. 4. To coordinate the Zoning & Subdivision Improvement Regulations of the CITY OF TAMARAC. SECTION 2 - DEFINITIONS (1) Inclusions: As used in these Regulations, words in the singular include the plural and those in the plural include the singular. The word "person" includes a corporation, unincorporated association and a part- nership, as well as an individual. The word "building" include's structure and shall be construed as if followed by the phrase "or part thereof." The word "street" includes avenue, boulevard, parkway, court, highway, lane, road, terrace, causeway, way and expressway. The word "Watercourse" includes channel, creek, ditch, drain, dry run, spring, stream and canal, but does not include a lake, pond or pool without outlet. The word "may" is permissive; the words "shall"and "will" are mandatory and not merely directory. (2) Definitions of Terms: ALLEY A minor right-of-way providing secondary vehicular access to the side or rear of properties otherwise abutting on a street. APPROVAL,TENTATIVE: The official action taken on a proposed plat, subdivision or dedication by the Board, generally on a preliminary plat, committing the Board to final approval on a final plat incorporating the design arrangements and provisions which are the basis for tentative approval, APPROVAL FINAL: The official action of the Board on a final plat which incorporates all features and provisions of a plat which has previously been given tentative approval. BOARD: Shall mean the City Planning and Zoning Board. COMMISSION: Shall mean the City Commission. CUL-DE-SAC: A minor street intersecting another street at one end and terminated at the other end by vehicular turnaround, DEVELOPER: A person or his agent, who undertakes the activities covered by these regulations, particularly the preparation and presentation of a subdivision plat showing the layout of the land and the public improvements involved therein. ISM Inasmuch as the subdivision plat is merely a necessary means to the end of assuring a satisfactory development, the term "developer" is• intended'to include the term "subdivider," even though the persons involved in successive stages of the project may vary. EASEMENT: A right-of-way acquired by public authority to use or control property for a designated purpose. HALF OR PARTIAL STREET: A street, generally parallel and adjacent to the boundary line of a tract, having a lesser right-of-way width than that required for full development of the type of street involved. H.C.P.: Shall mean Horizontal Control Points, each of which shall consist of a Nail in a Disc stamped with Surveyor's Registration Number or brass marker, marked HCP, and shall be located as required by Broward County. IMPROVEMENT PUBLIC: Any of the following: street pavement, with or without curbs and gutters; sidewalks, alley pavement; walkway pavements; water mains; sanitary sewers; storm drains; street name signs, street trees; Permanent Reference Monuments (PRM); Horizontal Control Points(HCP). LOT: A tract or parcel of land indentified as a single unit in a subdivision, and intended for transfer of ownership, use or improvement. IOT DEPTH: The mean horizontal distance between the front and rear lines of a lot. LOT WIDTH: The horizontal distance between the side lines of a lot at the front yard line or at the front lot line where no front setback is required. MOBILE HOME SUBDIVISION: Shall mean a subdivision wherein lots are platted, for sale or for lease for a period in excess of one year, for occupancy by a house trailer or mobile home for one family per lot. MULTIPLE DWELLING: A building which provides separate living quarters for two or more families. -3- OVER-ALL PLAN: A plan depicting a general layout of streets, blocks, lots, waterways, etc. for the future subdividing of an area, which may be platted in sections for each of which a preliminary plat will be filed. PERMANENT REFERENCE MONUMENTS PRM : Monuments as defined by Chapter 177, Florida Statutes. PLAT FINAL: A complete and exact subdivision plan, prepared for official recording as required by statute, to identify and define property rights, dedications and public improvements, and incorporating all corrections required by the City Planning and zoning Board and City Engineer upon review of the preliminary plat. PLAT PRELIMINARY: A tentative subdivision plan, in the same detail as final plat, and showing proposed street and lot layout as a basis for consideration prior to submission of the original tracing of a final plat.' This could also be called a "Preliminary Final Plat." _PLAT, SKETCH: An' informal plan, not necessarily to scale, indicating salient existing features of a tract and its surroundings and the general layout of the proposed subdivision. REVERSE FRONTAGE LOT: A lot extending between and having frontage on a trafficway and a minor street and with no vehicular access from the trafficway. RIGHT-OF-WAY: Land reserved, used or to be used for a street, alley, walkway, drainage facility or other public purpose. INE: The line within a property defining SETBACK OR BASE BUILDING L the required minimum distance between any enclosed structure and the adjacent right-of-waY. SIGHT DISTANCE: The minimum extent of unobstructed vision (in a horizontal or vertical plan) along a street from a vehicle located at any given point on the street. -4- 11 STREET: A public thoroughfare which normally affords principal means of access to abutting property. STREET, MINOR: A street used primarily for access to abutting property. STREET, COLLECTOR: A street which, in addition to giving access to abutting properties, carries traffic from minor streets to the major system of arterial streets and highways, including the principal entrance street of a residential development and streets for circulation within such a development. STREET MARGINAL ACCESS: A minor street parallel to and adjacent to a traffic way, and which provides access to abutting property and protection from through traffic. SUBDIVIDER: See DEVELOPER. SUBDIVISION: The division of land into two or more lots or parcels for purpose of transfer of ownership or development, or if a new street is involved, any division of a parcel of land. TRAFFICWAY: A street other than minor or collector streets, which is intended primarily for through travel by all types of traffic for con- siderable distances, including freeways, expressways, primary arterial o highways, major thoroughfares and secondary thoroughfares, or as identified on a Trafficway Plan. TRAFFICWAY, FREEWAY: Freeways are fully controlled access highways whose function is,to carry high-speed, high -volume, continuous through traffic for.trips of appreciable length. These highways shall be free of conflicting traffic, give no service to adjacent property and have no provisions for pedestrians or parking. Frontage or service roads may be included for access to abutting property. -5- TRAFFICWAY EXPRESSWAY: Expressways are limited -access highways whose function is to carry high-speed, medium high -volume, through traffic. Expressways may have some at -grade signalized intersections, but will give no service to adjacent property. Frontage or service roads may be included for access to abutting property. TRAFFICWAY PRIMARY ARTERIAL HIGHWAY: Primary arterial highways are highways whose principal function is to carry through traffic over considerable distances. The secondary function of these highways is to give service to adjacent property. Points of intersection and cross- ing of other streets should be limited so that major function, carrying .through traffic, will not be unduly impaired. TRAFFIC MAJOR THOROUGHFARE: Major thoroughfares are highways whose primary function is carrying through traffic but in lesser volumes and over shorter distances than a primary arterial. These highways also provide, as a secondary function, access to adjacent property. TRAFFICWAY SECONDARY THOROUGHFARE: Secondary thoroughfares are high- ways carrying through traffic over relatively short distances. These highways usually connect with primary arterials or major thoroughfares and provide service to adjacent property. WALKWAY: A right-of-way intended primarily for pedestrians, excluding self-propelled vehicles, which cuts across a block to improve circulation and access to adjacent street, services or properties. !LAW SECTION 3 - PROCEDURE FOR PREPARATION AND FILING OF PLATS A. Sketch Plat 1. Submission: a. A sketch plat may be submitted by a subdivider for review by the Board with nine (9) prints being supplied to,the Board at least seven (7) calendar days prior to their meeting. 2. Processing: a. Such sketch plats will be considered as submitted for informal discussion between the subdivider and/or his engineer and the Board. Submission of a subdivision sketch plat shall not constitute formal filing of a plat. b. As far as may be practicable on the basis of a sketch plat, the Board will informally advise the subdivider as promptly as possible of the sketch plat's compliance with pertinent regulations and will discuss possible modifications necessary to secure confor- mance with said regulations. 3. Requirements: a. Data furnished on a sketch plat shall include,, but not be limited to, the following: (1) Tract boundaries, clearly identified on all sides; (2) Location with respect to one or more land lines, identifying the section lines or other land lines shown; (3) Streets on or adjacent to the tract including street layout; (4) Lots and blocks of adjacent recorded plats, giving plat book and page number along with names of such plats; (5) Sfgnificant physical features such as canals, lakes, etc. (6) Proposed general lot, layout with typical lot sizes; (7) Proposed drainage easements including any existing easement; ($) Other existing easements including Fla. Power it Light Co.; gas, water, or other pipe line easements, or other utility easements; UFC I (9) Any proposed canals, lakes and/or rock pits; (10) A location sketch as required on the final plat; (11) The legal description of the property being platted. b. A sketch plat should be closely -approximate scale, but precise dimensions are not required. B. Over-all Plan 1. Submission: a. An over-all plan for any proposed subdivision which is to be recorded in sections shall be filed with the Board for review in advance of preliminary plats or with the:first sketch plat for a part of the area. b. The plan will then be considered by the Board at its next regular meeting. 2. Processing: a. A subdivider seeking approval of an over-all plan shall submit nine (9) copies of the plan to the Board. Copies of the plat shall be referred to the City Engineer, the Utility Department, any Drainage District in which the plan may lie, and any Municipality adjacent to the proposed plan. The agencies involved shall report their comments and recommendations to the Board at its next regular meeting. (1) The City Engineer shall check the plan for general engineering and drainage requirements, and conformity with the overall City -Erafficways Plan. (2) The City Utility Department shall determine any utility easements that may be required, (3) The Planning and zoning Board shalt check the plat for general conformance to the ZONING REQUIREMENTS and assign correct street names to the plan. 10 I 1 I 3. Recu; : ements for. Over --Ail Plan if One prepared: a. I -he over-all plan shall be of a scale of not more than 200 feet to the inch except that a scale of j00 Feet to the inch may be used for very large areas. r b. The over-all p,an shall show or be eccompanIad by the ,oi;owing information: (1) proposed subdivision name. (2) North arrow, scale, and date. (3) Name of registered er,g i neer or su;-veyor respo„s ; b; e for Zha plan. r4 � ) 5ubdivislon boundaries. (5) All existing watercourses, canals, bodes of water anu mayor drainage dis r'.cLs. (6) All existing streets and a;;eys on, or adjuGen4 to, the trac.. (7) All existing property --,as, l:Gyl:.Mailts aljd r"S" s of wGy. (8) .Location and width of all proposed streets, alleys, rlyhl.s of way and, easements, proposed lot lines, playgrounds, public areas and parcels of land reserved for public use. (�) A location sketch for aasy identification of the area covered. (10) Rel at i onsh, i p to section corner s, section lines, or a;;y other major land 1 l ne(s) : nCi ud ins approximate: distances f rox, situ known points or 1 fires. C. Preliminary Plats i. 5ub�;,ission: a. Prel iminary plats for all prapose.d subdivisions of land lying wit;,;;, the CITY OF TAMARAC, sha11 be. filed with, the Board for review. b. Plats will be considered by the Board at the next regular ;,;eetinc, occurring at least seven (7) calendar days subsequent to fil:;.,. -9- 2. Processing: a. A subdivider seeking approval of a subdivision plat shall transmit nine (9) copies of the Preliminary Plat to the Board. Copies of the plat shall then be referred by the Board to the City Engineer, Utility Department and any Drainage District in which the plat may lie and any Municipality adjacent to the proposed plat. (1) The City Engineer shall examine and check the Preliminary Plat for general engineering and drainage requirements, and conformity to the overall City Trafficways Plan. (2) The Utility Department shall check against known utility facilities and easements, or such new ones as may be required. (3) Any Drainage District shall check to make sure all drainage needs are fulfilled, and that no trafficway proposed on the plat interferes with present drainage facilities, or those planned for the future. (4) The Planning is Zoning Board shall assign correct street names to the Preliminary Plat, check lot sixes to assure conformity with minimum standards set forth by the ZONING REQUIREMENTS. and shall coordinate the recommendations of the several agencies above mentioned. 3. Requirements: a. The Preliminary Plat shall be at a scale of not more than 100 feet to the inch, provided that a scale of 200 feet to the inch may be used for large areas. b. The Preliminary Plat shall show or be accompanied by the following information: (1) Proposed subdivision name or identifying title which shall not duplicate nor closely approximate the name of any other sub- division in the County except in cases where the subdivision is an added section to a former subdivision or where it is a Re -plat of d portion or all of a former subdivision. 31112 (2) Location sketch with Section. (3) North arrow, scale and date. (4) Name of the owner of the property or his authorized agent. (5) Name of the registered engineer or surveyor responsible for the plat. (6) Locations and names of adjacent subdivisions. (7) Subdivision boundaries with angles and distances. Boundaries must be clearly marked with heavy line. (8) All existing watercourses, canals, and bodies of water. (9) All existing streets and alleys on or adjacent to the tract, including name and right-of-way width. (10) All existing property lines, easements and rights -of -way arc the purpose for which the aasements or rights -of -way have been established, where known to the engineer or surveyor. (11) hocation and width of all proposed streets, alleys, right -of- way easements; proposed lot lines with dimensions, playgrounds, public areas, and parcels of land proposed or reserved for public use. 4. Limitations on Plat Approval: a. The following limitations and conditions are placed on the Prel:minary plat approvals given by the Board: (1) The approval of the soars shall have full force and effect for a period of six months from the date of approval. (2) if no final plat has been filed for the area covered by the preliminary Piat bCfore the approval period has elap50d, thu approval shall become suspended. if final plats are filed for only a portion of the preliminary plat, the approval on the remaining portions shall become suspended. D. Final Plats 1. Submission: The original of the Final Plat, together with six (6) prints shall be submitted to the Board for review at least seven (7) days prior to Board meeting. The Final Plat shall be accompanied by the following: a. Pavement and Drainage Plan approval. b. Utility Plan approval (water & sewer). c, Drainage District approval, as applicable. d. Certificate of Title. 4 2. 'Processing: a. The City Engineer shall check all final plats to verify conformity with the Preliminary Plat as approved by the Board. b. Upon final approval by the Board, the Final Plat shall be transmitted by the Board to the City Council, for final approval. C. Prior to formal approval by the Council, the subdivider shall submit to the City Manager: 0) Subdivider's Performance Bond for subdivision improvements. (2) Subdivision improvement inspection fees. d. Upon approval by the Council and affixing the Corporate seal of the CITY OF TAMARAC and the signature of the Mayor and City Clerk, said Plat shall be forwarded to the City Engineer for his signature. The City Engineer in turn shall forward said Plat to the Broward County Engineering Department for further processing. 3. Requirements: a. The Final Plat tracing, in the form of linen or dimensionally stable plastic film, shall be prepared in accordance with the State Plat Low, Chapter 177 Florida Statutes, and with these regulations. the overall" size shall be 241lx36'' with borders as required by Broward County. b. The following features shall incorporated in prominent location on the plat. (If more than one sheet is required, these items shall be placed on the first sheet or page.) -12- (1) Plat Title (all lettering same type and size). (2) Section, Township and Range. (3) City of Tamarac, Broward County, Florida. (4) Graphic Scale. (5) Legal Description. (6) Location Sketch. c. The Final Plat shall exhibit the below listed certificates, signatures, and approvals in the currently accepted format: (1) Dedication by owner(s) witnessed (if by corporation, two designated officer'ssignatures and corporate seal). (2) Acknowledgement of Dedication by Notary Public. (3) Surveyor's Certificate, signature and seal. (4) City Council's Approval. (5) City Engineer's Approval. (6) City Planning and Zoning Board's Approval. (7) County Engineer's Approval. (8) Area Planning Board's Approval. (9) Mortgagee.Approval(s). (10) Certificate of the Clerk of the Circuit Court. d. The delineation of -the plat at a scale no smaller than 1"=100 feet shall show the following information and features: (1) Plat boundary with all courses and dimensions with ties to two or more land corners, or to a recorded subdivision corner and one land corner. (2) North Arrow. (3) Width of all streets, alleys, rights -of -way and easements. (4) Street Names. (5) Lot and Block numbers or designations. M-C 1 I (6) permanent Reference Monuments. (7) Horizontal Control Points. ($) Block corner radii. (9) Lot dimensions to the nearest hundredth of a foot, except where riparian boundaries are involved. (10) Arc length and central angles on all curvilinear lot dimensions. (11) Angles or bearings indicating the direction of all lines. (12) Centerline dimensions of all streets including arc lengths, central angles, radii and tangents of all curves. t4- S CTipN DcSIGN STANDARDS FOR SUNDIViSIONS A. STREETS AND ALLEYS: �. CONFORMITY TO TRAFFICWAYS PLAN shall conform to the The location, direction and -width of highways all pf f icial Tr,aff icways Plan of t„e CiTY Or TAMARAC. 2; RELATION TO EXISTING STR�.SET SYSTEM rovisions The arrangement of streets in new Subdivisions shall make p for roper extension of existingdedicated streets in existing sub- P divisions where such extension is appropriate. j. PROVISION FOR PLATTING ADJOINING UNPLATTED AREAS new subdivisions shall be such as to The arrangement of streets in facilitate, and coordinate with the desirable future platting of d �-Provide � or f adjoining unplatted property of a similar character, an �60 - local circulation and convenient access to neighborhood acilit,es. 4. PROTECTION FROM THROUGiI TRAFFIC Minor and collector residential streets shall be laid out and arranged so as to discourage their use by through traffic. Residential streets shall not connect with industrial areas unless unavoidable. 7, TRAFFICWAY FRONTAGE Wh ere a residential subdivision or residential property abuts or existing r wire marginal wccuss streets, or proposed trafficway, the Board me,/ require with screen planting contained in a non -access strip reverse frontage deep loth with or without rear serv;ce along the rear property line, P alleys, or such other treatment as may be necessary for adequate Y of residential properties and to minimize conflict o P rotection r thrau�n and local traffic. 6. PLATS ADJACENT TO RAILROAD OR EXPRESSWAY RIGHT-OF-WAY Where a subdivision borders on or contains a right-of-way for a rail- road, expressway, drainage canal or waterway, the Board may require a street approximately parallel to and on each side of such right-of- way, at a distance suitable for the appropriate use of the intervening land. Such distances shall also be determined with due regard for the requirements of approach grades for future grade separations. 7. RESERVE STRIPS Reserve strips controlling access to streets shall be prohibited except where their control is definitely placed under conditions approved by the Board. 8. PRIVATE STREETS There shall be no private streets platted in a subdivision. Every subdivided lot or parcel shall be served from a publicly dedicated street. This requirement may be waived by the Board in special situations where the Board finds public safety, convenience and welfare can be adequately served by other means. q. HALF STREETS New half or partial streets shall not be permitted except where essential to reasonable subdivision of a tract in conformance with these regulations or where satisfactory assurance for dedication of the remaining part of the street is provided. Whenever a tract to be subdivided borders on an existing half or partial street the other part of the street shall be dedicated within such tract. 10. FUTURE RESUBDIVISION If lots resulting from original subdivision are large enough to permit or require resubdivision, or if a portion of the tract is not sub- divided, adequate street right-of-way to permit future subdivision shall be provided as necessary. a. 'rj ll. DEAD-END STREETS Dead-end streets shall be prohibited, except where appropriate as stubs 'to permit future street extension into adjoining unsubdivtded tracts, or when designed as cul-de-sacs. l2. CUL-DE-SACS a. Cul-de-sacs, permianently designed as suck, shall not exceed 400 feet in length, except in special circurrstancas warranting extra length. b. Owl -de -sacs shall be provided at zhe closed and with a circula,- dedicated area not less than 70 feet in d{aimeter for tusna'rour,d Purposes. Turnarounds in business, commercial and industrial areas shall be 100 feet in dlzimeter. l3. STREET ,R:GHTS-OF-WAY a. Unless otherwise indicated or required by the Trafficways Plan, or specifically excepted by the. Planning and Zoning Board, street rights -of -way shall not be less than the following.. STREET TYPE RiGHTS-OF-WAY FEET Freeway 300 Expressway 200 Primary Arterial Highway 120 Major Thoroughfare Secondary Thoroughfare 80 Collector 60 2_` Minor, for multiple residential, business, or industrial areas 50 Minor, for single or duplex dwelling areas 30 G Marginal Access 20 *(Except trafficway previously established at 100 feet width of right-of-way as shown in the Zoning Regulations of the CITY OF TAMARAC). SWO b. Additional right-of-way width may be required to promote public safety and convenience, or to assure adequate access, circulation and parking in high density residential areas, commercial areas and industrial areas. c. Where a subdivision abuts or contains an existing street of inadequate right-of-way width, additional right-of-way in conformance with the above standards may be required. 14. ALLEYS a. Alleys should be provided to serve multiple dwelling, business, commercial and industrial areas, except that the Board may waive this requirement where other definite and assured provision is made for service access, off-street loading, unloading and parking consistent with and adequate for the uses permissible on the property involved.. b. The width of an alley.shall be at least 20 feet. G. Changes in alignment or intersections of alleys shall be made on a centerline radius of not less than 35 feet minimum. d. Dead-end alleys shall be avoided where possbile, but if unavoidable, shall be provided with adequate turnaround facilities for service trucks at the dead-end, with a minimum external diameter of 94 feet, or as determined to be adequate by the Board. e. Block corners adjacent to alleys shall have a minimum radius of 15 feet in'residential areas and 25 feet in business, commercial and industrial areas. 15. EASEMENTS a. Easements across lots or centered on rear or side lot lines shall be provided for public utilities where necessary and shall be at least 12 feet in total width. -18- b. Where a subdivision is traversed by a watercourse, drainage way, canal, or stream, there shall be provided a drainage easement or..right-of-way conforming substantially with the lines '*of such watercourses. Parallel streets or maintenance easements flay be r.equi'red where necessary for service or maintenance. c. .'Easements may be required for drainage purposes of such size s, and location•as may be determined by the City Engineer., or by a drainage district if the plat lies within its jurisdiction. 16. STREET ALIGNMENT a. Curvilinear streets are recommended for residential minor and "collector streets in order to discourage excessive vehicular speeds and to provide attractive vistas. b. Whenever a street changes direction, or connecting street lines deflect from each other, by more than 10 degrees, there shall be a horizontal curve. c. To ensure adequate sight distance, minimum centerline radii for horizontal curves shall be as follows: Major Thoroughfare 750 feet Secondary Thoroughfare 500 feet Collector Streets 300 feet Minor Streets 150 feet d. A tangent of at least 100 feet shall be inserted between horizontal curves in opposite directions on collector streets. On secondary thoroughfares this tangent shall.be 150 feet. Said tangent distances on major thoroughfares will be evaluated considering the overall plat layout, intersections, etc. 17. STREET INTERSECTIONS a. Streets shall be laid out to intersect as nearly as possible at right angles. No street shall intersect another at an angle of less than 60 degrees, except at a ''Y" intersection of two minor streets. MR2 b. Multiple intersections involving junction of more than two streets shall be prohibited except where found to be unavoidable by the Board. C. "T" intersections of minor and collector streets are to be encouraged. d. As far as possible, intersections with trafficways other than Secondary Thoroughfares shall be located not less than 800 feet apart, measured from centerline to centerline. e. Street intersections shall be a minimum of 125 feet apart, except where both centerlines are continuous through the intersection. f. Property line corners at intersections shall have a minimum radii of 25 feet. Where the angle of intersection is less than 60 degrees, a greater radius may be required by the Board. 18. EXCESSIVE STREET WIDTHS Streets shall not be platted to a width of more than 200 percent of the minimum width specified in these regulations for the type of street involved. No street shall be platted for center island development except where such center.1slands may be desirable or necessary for.traffic separation and safety, as determined by the Board. 19. CONNECTION TO PUBLIC STREETS The street system of any area to be platted shall have a direct connection, over public rights -of -way, to streets or trafficways. B. BLOCKS: 1. The length, width and shape of blocks shall be determined with due regard to: a. Provision of building sites adequate for the contemplated use. b. Zoning requirements. c. Need for convenient and safe access, circulation, control of pedestrian and vehicular trarfic. d. Limitations and opportunities of topographic features. 2. Block length shall not exceed 1,320 feet nor be less than 500 feet, unless found unavoidable by the Board. aw� 3. Where found necessary by the Board, pedestrian crosswalks, not less than 10 feet in width, may be required in blocks over 1,000 feet in length to provide safe and convenient access to schools, playgrounds, shopping centers, transportation or other community facilities. C. LOTS 1. The lot arrangement and design shall be such that all lots will provide w satisfactory.and desirable building sites, properly related to topography and to the character of the surrounding development. 2. Lot dimensions and areas shall not be less than specified by applicable provisions of the Zoning Regulations. 3. Corner lots shall be a minimum of 5 feet wider than the minimum width required by the Zoning Regulations for interior lots. 4. Side lot lines shall be substantially at right angles or radial to street lines. .5. Double frontage and reverse frontage lots for residential use shall be avoided, except where essential to provide separation of residential development from trafficways or to overcome specific handicaps of topography and orientation. A planting screen strip of at least 5 feet, and across which there shall be no right of vehicular movement or.use, shall be provided along the property line of lots abutting such trafficway or other disadvantageous sutuation. 6. Every lot shall -abut upon and have permanent access to a public street and residential lots shall have a street frontage of not less than 20 feet. 7. Lot arrangement and design shall be properly related to topography, to nature of contiguous property,?and to the character of surrounding development. D. CANALS AND WATER'AREAS: v Canals or water areas connecting to navigable waterways accessible to the public shall not be dedicated to the public unless a maintenance easement of 20 feet is provided along the canal dedication. The minimum.width .of canal dedication shall be 50 feet. -21-