The minimum requirements for subdivision streets shall be as
follows:
(a) Collector Streets. Collector streets shall have seventy-two feet
(72') of right-of-way and concrete curbs and gutters with forty-eight
feet (48') between curbs (four to twelve foot [4' - 12'],
two to eight foot [2' - 8'] lanes);
(b) General Local Streets. General local streets shall have sixty feet
(60') of right-of-way and concrete curbs and gutters with forty
feet (40') between curbs (two twelve foot [12'] lanes
and two eight foot [8'] lanes) and asphalt pavement;
(c) Restricted Local. Restricted local streets shall have fifty feet
(50') of right-of-way and concrete curbs and gutters with thirty-two
feet (32') between curbs (two traffic lanes, restricted parking),
asphalt pavement;
(d) Alleys. Alleys shall have twenty (20) feet of right-of-way and asphalt
pavement full width;
(e) Street Name Signs. All streets and roads shall be identified by street
name signs; and
(f) Dead-End Streets. Barricades with a length equal to the width of
the right-of-way shall be required at the end of dead-end streets.
(Ord. 249 § 3, 1989)
The minimum requirements for the supply and distribution of
domestic water for subdivisions shall be as follows:
(a) Available Water Source. A water source shall be available which can
provide five hundred (500) gallons per day per single-family residence
lot and four hundred fifty (450) gallons per day per lot for all other
lots, in all cases deliverable in a two-hour period;
(b) Installation of a Piped Water System. A piped water system shall
be installed; and
(c) Required Service Connections. The following service connection sizes
shall be required: single-family residence lot—one inch (1");
multiple family residence lot—two inch (2"); commercial
or industrial lot—two inch (2").
(Ord. 249 § 3, 1989)
The minimum requirements for fire protection facilities shall
be as follows:
(a) Approval by Agency Providing Fire Protection. The type of fire hydrant
and connection shall be approved by the agency providing fire protection
to the subdivision;
(b) Hydrant Location. One hydrant shall be located at each street intersection,
and others shall be located not more than four hundred feet (400')
apart along streets in any direction; and
(c) Water Flow Requirements. The water system serving the subdivision
shall be capable of delivering a flow to any hydrant at a rate of
not less than one thousand (1000) gallons per minute, at a pressure
of twenty (20) pounds per square inch, over and above the average
daily domestic consumption rate, which rate is established at one
hundred fifty (150) gallons per minute for the area served by any
one hydrant.
(d) Additional Minimum Standards. The agency providing fire protection
may establish additional minimum standards for the delivery of water
from fire hydrants.
(Ord. 249 § 3, 1989)
The minimum requirements for sewage disposal systems to be installed
in or to serve subdivisions shall be as follows:
(a) Sewer mains and laterals shall be installed to serve all lots for
which the Commission determines that a satisfactory sewage disposal
plant is or will be available.
(b) The subdivider shall provide, or contribute on a pro rata basis to
the provision of, a sewage disposal plant to serve any subdivision
for which the Commission determines that there is not satisfactory
sewage plant capacity available.
(c) The extent of improvements will be based upon a sewer study performed
for and paid by the applicant.
(Ord. 249 § 3, 1989)
The minimum requirements for the control of flood waters crossing
or flowing into subdivisions shall be as follows:
(a) The basis of design shall be a storm having a frequency of once in
one hundred (100) years;
(b) The flood control agency shall approve all plans for flood control
facilities; and
(c) Streets and highways shall not be used as flood channels without
the prior approval of the Engineer.
(d) Consideration of flood plain management techniques, when feasible,
such as linear parks, golf courses, and/or open space preservation
in lieu of channelization.
(Ord. 249 § 3, 1989)
The minimum requirements for drainage facilities in subdivisions
shall be as follows:
(a) The basis of design shall be a rate of one cubic foot for run-off
per second per acre of land in the subdivision;
(b) Plans for drainage facilities shall be approved by the Engineer;
(c) Local storm drain improvement shall be constructed as part of the
improvement program for each parcel or tract map and shall be phased
to occur upon final map approval; and
(d) The use of streets and highways for drainage purposes may be prohibited
by the Engineer, if, in his opinion, the use is impractical or not
in the interest of public health and safety.
(Ord. 249 § 3, 1989)
All grading shall conform to the following:
(a) When the site grading causes a cut in excess of one foot (1')
below the natural ground level at the subdivision boundary line, the
toe of the cut slope shall be located one foot (1') distant
from the subdivision boundary line for each vertical foot of slope,
except that the horizontal distance need not exceed two feet (2');
(b) The maximum cut slope gradient shall be one foot (1') vertically
to each two feet (2') horizontally;
(c) When site grading causes a fill in excess of one foot (1')
above the natural ground level at the subdivision boundary line, the
toe of the slope shall be located one foot (1') distant from
the boundary line;
(d) The maximum fill slope gradient shall be one foot (1') vertically
to each five feet (5') horizontally; and
(e) In lieu of such slopes, a wall adequate to retain such bank may be
constructed, provided that surface water is disposed of laterally
along the wall into a street or proper drainage facility.
(a) Lines for electric power, vaults and other appurtenances, telephone
or other communication, street lighting and cable television lines
shall be placed underground.
(b) If for some reason utility vaults and other appurtenances cannot
be placed underground, the applicant can request a waiver subject
to the review and approval of the City Architecture Landscape Committee,
the Planning Commission, and the City Council. If the project proposed
was subject to public hearing then the exception request will be subject
to the same requirements.
(c) If the owner or subdivider establishes that an underground installation of such facilities would be unreasonable or impractical due to soil or topographical conditions, and that the use of overhead lines would not be unduly detrimental to other property in the vicinity, such underground lines shall not be required, provided that the City Council makes the findings required under Section
20.76.030(b) and
(c).
(Ord. 249 § 3, 1989; Ord. 454 § 2, 1999)