HomeMy WebLinkAbout(1991, 10/28) - L-4 - AmendedL 4
PRIVATE STREETS
1. Private streets will be allowed in new developments where their use
is logically consistent with a desire for neighborhood
identification and control of access, and where special overall
design concepts may be involved. The use of private streets will be
subject to review and approval by the Planning Commission and the
City Council.
2. Private streets will be permitted only where a satisfactory means of
providing for their maintenance and operation is demonstrated.
3. The use of private streets as a device for permitting inadequate
design will not be allowed.
4. The use of private streets is ordinarily limited to cul -de -sacs and
to minor local streets not carrying through traffic.
5, The design of all private streets shall be reviewed and approved by
the Public Works Department; and the construction shall be inspected
by the Public Works Department, with a standard inspection fee to be
paid.
6. The following design standards shall be used for new private
streets:
A. General
1. Where streets other than minor local streets are
proposed to be private, the design shall conform in all
respects to the requirements established for public
streets, except as may be otherwise permitted under
Number 2 below.
2. Where special circumstances exist, deviations from the
standards will be subject to approval by the Public
Works Department after an individual review.
3. Streets shall be adequately designed to provide for lane
delineation, street sweeping, and drainage control. A
standard crown section with concrete curb and gutter on
both sides will be required.
4. Depressed approaches shall be used at all driveways
where streets have curb and gutter.
5. Concrete sidewalks shall be provided in the right -of-
way, unless other means of accommodating pedestrian
traffic which would normally use the street are provided
in the development.
6. Lighting adequate for pedestrian and vehicle safety and
sufficient to minimize police problems shall be
provided.
7. Adequate provision for public utilities shall be made.
A separate document dedicating exclusive public utility
easements to the City shall be provided when required in
order to eliminate any conflict of rights between City
40 utilities and other public utilities. Where surfaces
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3. Centerline radius shall be 150' minimum for loop streets
over 800' in length, and 100' minimum cul -de -sacs and
for loop streets less than 800' in length. Where right
angled bends are used in the street pattern, in lieu of
the minimum radii required above, widening sufficient to
accommodate truck turning movements shall be provided by
use of knuckles or other appropriate means.
4. Curb returns radius shall be 15' minimum.
other than standard concrete (gray) and asphalt cement
are to be constructed over City utilities and storm
drains, a non - standard improvements agreement shall be
executed to provide for the replacement of non - standard
surfacing by the owner or community association.
8. Adequate provision shall be made for trash pick up and
for emergency vehicle access.
9. Adequate signs, subject to the approval of the City,
shall be provided and maintained at all entrances to
private streets clearly designating the private status
of such streets.
10. Speed bumps will be permitted only in accordance with
applicable provisions of Council Policy L -13 Road Bumps.
11. A traffic control plan shall be prepared for review and
approval by the City Traffic Engineer.
B. Minimum Paved Widths
1. With parking on both sides: 36' curb to curb.
2. With parking on one side only or no parking: 32' curb to
curb.
C. Grades
1. Desirable maximum - 108.
2. Maximum - 158 for special circumstances.
3. Minimum - 0.48.
4. Provide vertical curves for grade breaks over 18.
5. Cross fall between curb tops and /or gutters shall not
exceed 0.15' per 10' of roadway width.
D. Alignment
1. Streets shall normally intersect at right angles and
shall have at least 20' of tangent adjacent to
intersections. The tangent length shall be increased
where short radius curves are used near the
intersections.
2. Cul -de -sacs shall not ordinarily exceed 400' in length.
Curb radius at the turn - around shall be at least 40'.
3. Centerline radius shall be 150' minimum for loop streets
over 800' in length, and 100' minimum cul -de -sacs and
for loop streets less than 800' in length. Where right
angled bends are used in the street pattern, in lieu of
the minimum radii required above, widening sufficient to
accommodate truck turning movements shall be provided by
use of knuckles or other appropriate means.
4. Curb returns radius shall be 15' minimum.
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E. Access Control
1. Gates to control vehicular access into a private
community shall be of a type approved by the Fire
Department, Police Department, and the Public Works
Department.
2. A turn- around prior to the control gate shall be
provided so that vehicles are not required to back out
onto the adjacent public street.
3. Adequate vehicular storage space shall be provided on
the private street prior to the control gate so that
vehicles will not block the adjacent public street.
F. Structural Section
1. The minimum structural section shall ordinarily be 3" AC
over 4" AB over 6" of compacted subgrade. The section
shall be revised as required by accepted standards of
engineering design in accordance with the results of
soil tests on the native subgrade material.
G. Vehicle Code Enforcement
1. New Development - Vehicle code enforcement may be a
condition of development.
2. Existing Development - Consideration will be given by
the City Council for police enforcement of the Vehicle
Code on private street systems when the following
conditions have been met:
a. The City has received a formal request in
compliance with the California Vehicle Code.
b. The request is accompanied by a written report
and recommendations from both the Police Chief
and Traffic Engineer.
3. If the City Council decides to approve the request, the
following minimum conditions shall apply:
a. All applicable provisions of the Vehicle Code
shall be enforced.
b. All non - standard traffic control devices shall be
removed by the applicant, e.g., bumps which do
not conform to Policy L -13, traffic signs and
traffic striping.
C. All unnecessary sight obstructions and
encroachments shall be removed.
H. Planning Commission Review
The Planning Commission shall consider the recommendations of
the Police Department in all tentative map or use permit
proceedings where a private street system is proposed.
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1. The City will assume no responsibility for enforcement of
traffic control unless specifically requested and approved.
2. The City will perform trash pickup on private streets
providing such streets are fully accessible to and usable by
the City's trash trucks.
3. The City will not provide pavement maintenance or sweeping
services on private streets.
4. The City will operate and maintain street lights on private
streets only if design and construction of the street lighting
system are fully in accord with all City standards, an
appropriate utility easement has been dedicated, and the
system is fully accessible to City forces for maintenance.
Adopted - November 23, 1964
Amended - March 9, 1970
Amended - August 9, 1971
Amended - August 9, 1976
Amended - November 27, 1978
Amended - October 12, 1982 •
Amended - October 28, 1991