17.10.150 - Subdivision and Condominium Plat Layout Requirements.

A.

General Layout Requirements.

1.

Roads shall be graded and improved and conform to the South Salt Lake City Standards and Construction Specifications, and Standard Drawings and shall be approved as to design and specifications by the City Engineer, in accordance with the Construction Plans and Specifications required to be submitted prior to Final Plat approval.

2.

In Developments with non-Residential components, the Streets, and other Access ways shall be planned in connection with the grouping of Buildings, location of rail facilities, and the provision of Alleys, truck loading and maneuvering Areas, and walks and parking Areas to minimize conflict of movement between the various types of traffic and with pedestrians.

3.

Proposed Streets shall be extended to the boundary lines of the tract to be platted, unless prevented by topography or other physical conditions.

B.

Frontage on and Arrangement to Improved Roads.

1.

No Subdivision or Plat shall be approved unless the Area to be platted has Frontage on and Access from an existing Street on the Roadways and Functional Classifications in the General Plan unless such Street is an existing state highway; or a dedicated public Street shown upon a Subdivision Plat approved by the Planning Commission and recorded in the County Recorder's office. Such Street or highway must be suitably improved as required by the state highway rules, City regulations, specifications, or orders, or such improvements shall be secured by an Infrastructure Improvement Assurance, with the width and Right-of-Way and Road Profile required by this Chapter.

2.

Wherever the Area to be subdivided or platted is to utilize existing Street Frontage, such road shall be suitably improved as provided above.

3.

All Streets shall be integrated with the thoroughfares and Dedicated Rights-of-Way established in the Standard Road Profiles and in the Roadways and Functional Classifications in the General Plan.

4.

All thoroughfares shall be configured to address specific traffic generators such as industries, business districts, schools, churches, and shopping centers; to population densities; and to the pattern of existing, proposed, and future land Uses.

C.

Road Design Considering Blocks.

1.

Block lengths in Single-Family residential Areas should not exceed six hundred (600) feet and shall not be less than four hundred (400) feet in length.

2.

Wherever practicable, Blocks along Major Collector and all Arterial Streets shall be not less than six hundred (600) feet in length.

3.

Planning Commission may require the reservation of an easement through a Block to accommodate utilities, drainage facilities, and/or pedestrian traffic.

4.

Planning Commission may require improved pedestrian ways and crosswalks, not less than ten (10) feet wide, through the center of any proposed Development Block that is more than eight hundred (800) feet long.

D.

Access to/from Arterial or Collector Streets. Where a Subdivision or Plat borders on or contains an existing or proposed Arterial or Collector, the Planning Commission may require that Access to such Streets be limited by one (1) of the following means:

1.

The Subdivision of Lots to back onto the Arterial or Collector and Front onto a parallel Local Street; no direct Access from the primary Arterial or Collector Street, with Screening provided in a strip of land along the Rear Property Line of such Lots.

2.

A series of U-shaped Streets or short loops entered from and designed generally at right angles to such a parallel Street, with the rear boundary lines of their terminal Lots backing onto the Arterial or Collector Street.

E.

Construction of Dead-End Roads. The arrangement of Streets shall provide for the continuation of principal Streets between adjacent Properties to allow for convenient movement of traffic, effective fire protection, for efficient provision of utilities.

1.

Dead End Road-Temporary. If the adjacent Property is undeveloped and the Street must be a dead-end Street temporarily, the Right-of-Way shall be extended to the Property Line. A temporary turnabout shall be provided on all temporary dead-end Streets, with the notation on the Plat that land outside the normal Street Right-of-Way shall revert to abutting Property Owners whenever the Street is continued. The Planning Commission shall limit the length and use of temporary dead-end Streets in accordance with these regulations.

2.

Existing Dead-End Roads, Permanent. Where an existing road does not extend to the boundary of the Subdivision and its continuation is not required by the Planning Commission for Access to adjoining Property, its terminus shall not be nearer to such boundary than fifty (50) feet. The Planning Commission may require the reservation of an appropriate easement to accommodate drainage facilities, pedestrian traffic, or utilities. A Cul-de-Sac turnaround shall be provided at the end of a permanent, existing dead-end Street in accordance with the Design Standards, Construction Specifications, and Standard Drawings. For greater convenience to traffic and more effective police and fire protection, existing dead-end Streets shall be limited in length to six hundred and fifty (650) feet and no more than ten (10) equivalent residential units.

F.

Road Names. The Subdivision or Condominium Plat Applicant, upon consent of the Planning Commission, shall name all roads at the time of Preliminary Plat approval. Names shall be sufficiently different in sound and in spelling from other road names in Salt Lake County, Utah to prevent confusion to emergency responders. A road that is or is planned as a continuation of an existing road shall bear the same name.

G.

Road Regulatory Signs. The Applicant shall erect or post acceptable Guarantees ensuring each road regulatory Sign and Street name Sign required by the City Engineer has been installed at all road intersections prior to the first Certificate of Occupancy. Street and road regulatory signs shall be designed according to South Salt Lake City Design Standards, Construction Specifications, and Standard Drawings.

H.

Street Lights/Project Lighting. Installation of Street lights and Project lighting is required for every Subdivision of land and Condominium Plat and shall be placed by the Applicant in accordance with South Salt Lake City Design Standards, the South Salt Lake Lighting Master Plan, Construction Specifications, and Standard Drawings as approved, in writing, by the City Engineer.

1.

The Applicant shall pay to the City a Street light system development fee in the amount set forth in the City fee schedule, which amount, if necessary, shall be adjusted to cover the City's entire expense for the design, installation, and maintenance of a Street lighting system for the Development.

2.

The City shall provide for the design and installation of the Street lighting system by contract with Rocky Mountain Power (or its successor in interest) and shall pay the cost of electricity provided to the Street lighting system.

I.

Road Design Standards. In order to provide for roads of suitable location, width, and improvement to accommodate prospective traffic and afford satisfactory Access to police, fire fighting, snow removal, sanitation, and road maintenance equipment, and to coordinate roads so as to compose a convenient system and avoid undue hardships to adjoining Properties, the design standards for roads are hereby required to comply with the South Salt Lake City Development Standards, Construction Specifications and Standard Drawings, and Roadways and Functional Classifications in the General Plan.

1.

Road Surfacing and Improvements. After a four-(4) inch quad conduit duct and sewer and water utilities have been installed, the Applicant shall compose and compact all road base, shall construct curbs, gutters, sidewalks, culverts, drains, and bridges, and shall surface or cause to be surfaced roadways and the complete road profile installed. Said surfacing shall be of such character as is suitable for the expected traffic. Types of pavement shall be determined by the City Engineer, based on the soil's compaction test within the Right-of-Way. In all circumstances the City Engineer shall require at least four-(4) inch of asphalt upon untreated base course; native material must have a minimum CBR of 3.0. Adequate provision shall be made for culverts, drains, and bridges.

2.

All road pavement, shoulders, drainage improvements and Structures, curbs, turnarounds, and sidewalks shall conform to the adopted Construction Standards and Specifications and shall be incorporated into the construction plans required to be submitted by the Applicant for Plat approval.

J.

Fire Access. All Structures must meet the requirements of Appendix D of the International Fire Code in effect in the State of Utah.

K.

Intersection Design Standards.

1.

Streets shall be laid out to intersect as nearly as possible at right angles. A proposed intersection of two (2) new Streets at an angle within ten (10) degrees perpendicular is required. An oblique Street shall be curved approaching an intersection and shall be approximately at right angles for at least one hundred (100) feet there from. Not more than two (2) Streets shall intersect at any one (1) point.

2.

Proposed new intersections along one (1) side of an existing Street shall, wherever practicable, coincide with any existing intersection on the opposite side of such Street. Street jogs with center line offsets of less than one hundred and fifty (150) feet shall not be permitted, except where the intersected Street has separated dual drives without median breaks at either intersection. Where Streets intersect with Arterial or Collectors Streets, their alignment shall be continuous. Intersections of major Streets shall be at least eight hundred (800) feet apart.

3.

Minimum curb radius at the intersection of two (2) Local Streets shall be at least twenty (20) feet, and minimum curb radius at an intersection involving a collector Street shall be at least twenty-eight (28) feet. Alley intersections and abrupt changes in alignment within a Block shall have the corners cut off in accordance with standard engineering practice to permit safe vehicular movement and a safe Sight Distance Triangle.

4.

Intersections shall be designed with a flat Grade wherever practical. At the approach to an intersection, a leveling Area shall be provided having not greater than a two percent (2%) Slope for a distance of sixty (60) feet, measured from the nearest Right-of-Way line of the intersecting Street.

5.

The cross Slopes on all Streets, including intersections, shall be three percent (3%) or less.

L.

Road Dedications and Reservations.

1.

New Perimeter Streets. Street systems in new Subdivisions or Condominium Plats shall be configured to eliminate or avoid new perimeter half-Streets. The Planning Commission may authorize a new perimeter Street where the Applicant improves and Dedicates the entire required Street Right-of-Way width.

2.

Widening and Realignment of Existing Roads. Where a Subdivision borders an existing narrow road or when the Standard Road Profile and Roadways and Functional Classifications in the General Plan indicates plans for realignment or widening a road that would require use of some of the land in the Subdivision, the Applicant shall be required to improve and Dedicate at its expense such Areas for widening or realignment of such roads. Such Frontage roads and Streets shall be improved and Dedicated by the Applicant at its expense to the full width as required by these regulations. Land reserved for any road purpose may not be counted in satisfying Yard or Area requirements contained in this Title.

(Ord. No. 2020-02, § IV(Exh. C), 1-8-2020; Ord. No. 2021-06, § XXI, 5-26-2021; Ord. No. 2022-08, § I(Exh. A), 4-13-2022; Ord. No. 2023-27, § 1(Exh. A), 9-12-2023; Ord. No. 2024-04, § I(Exh. A), 5-8-2024)