§ 17.40

The street pattern of each proposed subdivision shall reflect the General Plan of the City and shall be designed in accordance with the design standards in this chapter. (Ord. 143-76 § 2, 1976)

Street design shall be in accordance with the provisions of Chapters 17.68 and 17.72. (Ord. 143-76 § 2, 1976)

Reserve strips controlling the access to streets or other public rights-of-way shall not be approved unless such strips are deemed necessary by the Planning Commission for the protection of the public welfare or substantial property rights and in no case unless the control and disposal of the land comprising such strips are placed in the control of the City. (Ord. 143-76 § 2, 1976)

Where a subdivision adjoins unsubdivided land, streets in the subdivision shall ordinarily be extended to the adjacent unsubdivided land as prescribed by the Planning Commission to provide access to the unsubdivided land in the event of its future subdivision. (Ord. 143-76 § 2, 1976)

No street name shall be used which duplicates or may be confused with the name of any street existing in the City, any adjacent cities, or adjacent unincorporated areas. (Ord. 143-76 § 2, 1976)

Streets and alleys at their intersections shall be provided with twenty-foot radius turns at property lines in all subdivisions other than industrial subdivisions in which case the radii shall be such as to provide forty-foot radii at curbline. Intersections with major streets shall have the minimum radii of forty feet at property line.

(Ord. 143-76 § 2, 1976)

The length of a cul-de-sac street in a residential subdivision shall not exceed five hundred feet except that a cul-de-sac of up to six hundred feet in length may be permitted, provided that it has frontage of no more than sixteen lots excluding corner lots. Length shall be measured from the property line of the through street to the center of the turnaround. (Ord. 143-76 § 2, 1976)

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Union City, CA § 17.40.080

UNION CITY CODE

§ 17.40.150

All streets shall normally intersect as nearly as possible at right angles and the centerlines of intersection streets shall be tangents or have a radius greater than six hundred feet for a distance of one hundred feet from their intersection. Streets entering upon opposite side of any given street shall have their centerlines directly opposite each other or the centerlines shall be offset by at least one hundred fifty feet for all minor residential streets and two hundred feet for all other streets.

(Ord. 143-76 § 2, 1976)

Entrance from a frontage road to a major thoroughfare shall be designed to assure satisfactory traffic flow and safety.

(Ord. 143-76 § 2, 1976)

Curbs shall be concrete vertical type. (Ord. 143-76 § 2, 1976)

Sidewalks shall be unobstructed by utility installations wherever reasonably possible, or by planting, shall be made of Portland cement concrete, approved by the City Engineer and shall be at least four feet wide.

(Ord. 143-76 § 2, 1976)

Grade of streets shall not be less than three-tenths of one percent and shall not be greater than fifteen percent for collector streets and not greater than ten percent for major streets except with the approval of the City Engineer. In any case, street grades shall not exceed twenty percent. (Ord. 143-76 § 2, 1976)

Excessive fill and cut slopes when necessary in the opinion of the City Engineer shall have an easement equal to the cut or fill distance plus ten feet. (Ord. 143-76 § 2, 1976)

Wherever a street intersects another street, no part of one street within fifty feet of the near curbline of the other street shall have a slope above such intersection in excess of eight percent or below such intersection in excess of six percent and the maximum grade of either street within an intersection shall be four percent.

(Ord. 143-76 § 2, 1976)

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Union City, CA

SUBDIVISIONS

§ 17.40.150

§ 17.40.170

• A. Normally, the minimum distance between points of access to a major thoroughfare shall be one thousand feet.

• B. Where a waiver of access has been required, a masonry barrier, the design and height of which shall be subject to approval by the City, should be constructed.

• (Ord. 143-76 § 2, 1976)

The structural design of the roadbed shall include determination of the thickness of subbases, bases and surfacing to be placed over basement soil, based on the method specified in the City's Standard Specifications and Design Criteria according to the method as specified in the specifications. In no case shall the thickness of untreated base be less than six inches nor shall the thickness of plant-mixed surfacing be less than two inches.

(Ord. 143-76 § 2, 1976; amended during 1990 republication)

Where no criteria for street improvement design are given in this chapter, such improvements shall be designed in accordance with the specifications. (Ord. 143-76 § 2, 1976)

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Union City, CA

SUBDIVISIONS

§ 17.44.010

§ 17.44.060

CHAPTER 17.44 LOTS AND BLOCKS