§ 16.16

The purpose of this chapter is to establish the City's intent to implement complete streets concepts, which is reflected in City Resolution No. _______ C.M.S., as it may be amended, so as to uniformly regulate the design, construction, operation, and maintenance of the street system in parallel with the requirements of Chapter 12.02, Complete streets design standards. These provisions shall be applied upon an application for the subdivision of land as applicable, and/or as referenced in Chapter 12.02.

(Ord. No. 13153, § 3, 2-19-2013)

The alignment of all arterial streets and collector streets shall conform to those designated in the circulation element adopted by the City Council prior to the date of filing of the tentative map with the Advisory Agency. All proposed minor streets shall be in alignment with existing planned or platted streets with which they are to connect.

(Prior code § 7-4.15)

16.16.020 - Width of street right-of-way and width of pavement for non-hillside areas.

For the purpose of this chapter, the term "non-hillside area" shall be construed to mean land areas within the City adjacent to street right-of-way which has an average difference in elevation of 15 feet or less in a horizontal distance of 100 feet. Street right-of-way widths and pavement widths for non-hillside areas are established in the context of the complete streets approach as follows:

A.

Arterial streets shall be of the width indicated on the approved plans and not less than 80 feet in right-ofway width, and shall have a pavement width as determined by the Director of Public Works or his designee.

B.

Collector streets shall not be less than 60 feet in right-of-way width and shall have a pavement width as determined by the Director of Public Works or his designee.

C.

Local streets shall not be less than 50 feet in right-of-way width and not less than 30 feet in pavement width.

D.

Blind streets shall not be over 600 feet in length unless it includes means of a secondary access and shall not be less than 50 feet in right-of-way width and not less than 30 feet in pavement width. All blind streets shall terminate in a circular end having a minimum right-of-way diameter of 80 feet and a minimum pavement diameter of 70 feet, unless the Advisory Agency or other approving authority approves a "T" or "Y" shaped space in lieu of required turning circle.

E.

Alleys shall not be less than 26 feet in right-of-way width, and not less than 20 feet in pavement width.

(Ord. No. 13153, § 3, 2-19-2013)

Editor's note— Ord. No. 13153, § 3, adopted February 19, 2013, amended Section 16.16.020 in its entirety to read as herein set out. Formerly, Section 16.16.020 pertained to width of streets, and derived from the prior code § 7-4.16.

16.16.025 - Width of street right-of-way and width of pavement for hillside areas.

For the purpose of this chapter, the term "hillside area" shall be construed to mean land areas within the City adjacent to street right-of-way which has an average difference in elevation of more than 15 feet in a horizontal distance of 100 feet. Street right-of-way widths and pavement widths for hillside areas are established in the context of the complete streets approach as follows:

A.

Arterials shall have the same minimum width requirements as specified for non-hillside areas in Section 16.16.020.

B.

Collectors shall have the same minimum width requirements as specified for non-hillside areas in Section 16.16.020.

C.

Local streets shall not be less than 40 feet in right-of-way width.

1.

With lot frontage on both sides of the street, pavement width shall not be less than 26 feet.

2.

With lot frontage on one side of the street only, pavement width shall not be less than 24 feet.

D.

Blind streets shall not be over 600 feet in length unless it includes means of a secondary access and shall not be less than 50 feet in right-of-way width and not less than 26 feet in pavement width. All blind streets shall terminate in a circular end having a minimum right-of-way diameter of 80 feet and a minimum

pavement diameter of 70 feet, unless the Advisory Agency or other approving authority approves a "T" or "Y" shaped space in lieu of required turning circle.

E.

Alleys shall not be less than 26 feet in right-of-way width, and not less than 20 feet in pavement width.

(Ord. No. 13153, § 3, 2-19-2013)

The grades on arterial, collector and local streets and alleys shall be approved by the City Engineer. Concrete pavement with approved finish is required when the street grade exceeds 15 percent.

(Ord. No. 13153, § 3, 2-19-2013; Prior code § 7-4.17)

Street intersection shall be as nearly at right angles as practicable.

A.

At street or alley intersections, property line corners shall be rounded by an arc, the minimum radius of which shall be 15 and five feet respectively. In business districts a chord may be substituted for such arc.

B.

Street curb intersections shall be rounded by radii of at least ten feet.

C.

The above minimum radii for property line and curbs shall be increased when the smallest angle of intersection is less than 60 degrees.

(Ord. No. 13153, § 3, 2-19-2013; Prior code § 7-4.18)

Clear visibility, measured along the centerline, shall be provided for at least 300 feet on arterial streets; 200 feet on collector streets and at least 100 feet on local streets.

(Prior code § 7-4.19)

16.16.060 - Minimum radii of curvature on centerline of streets.

A.

Arterial streets, 500 feet;

B.

Collector streets, 300 feet;

C.

Local streets, 100 feet.

(Prior code § 7-4.20)

16.16.070 - Tangents.

There shall be a tangent between all reversed curves of at least 150 feet in length on all arterial streets and collector streets; and 50 feet on all local streets.

(Prior code § 7-4.21)

Editor's note— Ord. No. 13153, § 3, adopted February 19, 2013, repealed the former Section 16.16.080 in its entirety, which pertained to roadway widths, and derived from the prior code § 7-4.22.

Private streets, alleys or ways shall not be platted or laid out except with the approval and consent of the Advisory Agency and the City Council, and then only on conditions which guarantee the construction of necessary local improvements and continued maintenance thereof.

(Prior code § 7-4.23)

Street layout shall be designed to provide for future access to and not impose undue hardship upon unsubdivided property adjoining the subdivision.

(Prior code § 7-4.24)

Reserve strips at the end of streets or at the boundaries of subdivision shall be deeded unconditionally to the city.

(Prior code § 7-4.25)

Proposed street names shall not duplicate or too closely approximate phonetically the name of any street in Oakland or other East Bay Cities, or adjacent portions of Alameda County. Where streets are continuations of existing streets the existing street names shall be used.

(Prior code § 7-4.26)

Alleys shall be required in all business and industrial districts. Except in downtown and where justified by topographic conditions, alleys will not be approved in residential districts.

(Ord. No. 13153, § 3, 2-19-2013; Prior code § 7-4.27)

The width of blocks shall be sufficient to allow two tiers of lots of approximate depth.

(Prior code § 7-4.28)

Blocks shall not generally exceed 300 feet in length and blind streets 600 feet. Blind streets in excess of 600 feet shall include means of a secondary access.

(Ord. No. 13153, § 3, 2-19-2013; Prior code § 7-4.29)

Improved pedestrian ways not less than ten feet wide shall be provided near the center and entirely across any block over 500 feet in length.

(Ord. No. 13153, § 3, 2-19-2013; Prior code § 7-4.30)

16.16.170 - Lots.

Lot design shall be consistent with the provisions of Section 16.04.010, Purpose, and the following provisions:

A.

Every lot shall abut on a street, except as specified in Section 17.106.020.

B.

Double frontage lots shall not be platted.

C.

Reversed frontage of key lots shall be avoided in blocks exclusively residential.

D.

Lot lines shall be approximately at right angles to the street line on which the lot faces.

E.

Each lot shall have the minimum area prescribed by the zoning district within which it lies.

F.

Lots shall be equal or larger in measure than the prevalent size of existing lots in the surrounding 200-foot radius area except:

1.

Where the area is still considered acreage;

2.

Where a deliberate change in the character of the area has been initiated by the adoption of a specific plan, a change in zone, a development control map, or a planned unit development.

G.

Lots shall be designed in a manner to preserve and enhance natural out-croppings of rock, specimen trees or group of trees, creeks or other amenities.

(Ord. No. 13153, § 3, 2-19-2013; Prior code § 7-4.31)

Chapter 16.20 - IMPROVEMENTS

16.20.010 - Improvements generally.

A.

In all subdivisions all streets, alleys, easements, pedestrian ways, and lots shall be laid out to provide for approved sewer and drainage facilities. Subdivisions shall be designed to be consistent with the need to minimize flood damage. All public utilities and facilities, such as sewer, gas, electrical, and water systems shall be located, elevated, and constructed to minimize or eliminate flood damage. New or replacement water supply systems and sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters into the systems and discharges from the system into floodwaters. All streets shall be graded to the full extent and improved to approved grade. The street grading and improvements shall include necessary paving, curbs, sidewalks, catch basins, pipes, culverts, storm drains and sanitary sewers.

B.

Arterial and collector streets shall be graded to an approved width and improved to an extent necessary for the general use of the lot owners in the subdivisions and local neighborhood traffic and drainage needs.

(Prior code § 7-4.33)