(a)
Provision
for future subdivision.
If a tract is subdivided into
parcels larger than ordinary building lots, such parcels shall be
arranged to allow the opening of future streets and logical further
subdivision.
(b)
Suitable
building sites.
Every lot must contain a suitable building
site.
(c)
Suitability
of land use.
Land shall be suited to the purpose for
which it is to be used.
(d)
Site
improvements.
Streets, alleys, sidewalks and other site
improvements required under the provisions of this chapter to be installed
in subdivisions by the subdivider shall conform to the specifications
of this chapter and to the then current policies and specifications
promulgated by the city engineer.
(1965 Code, sec. 22-10)
(a)
Street
layout.
The arrangement, character, extent, width, grade
and location of all streets shall be considered in their relation
to existing streets, to topographical conditions, to public safety
and convenience, and in their appropriate relation to the proposed
uses of the land to be served by such streets.
(b)
Relation
to adjoining street system.
Where necessary to the neighborhood
pattern, existing principal streets in adjoining areas shall be continued
and shall be at least as wide as such existing streets and in alignment
therewith. Where streets change design in alignment and width, an
appropriate transition shall be provided for safe and efficient traffic
flow.
(c)
Street
jogs.
Whenever possible, street jogs with centerline
offsets of less than one hundred twenty-five (125) feet shall be avoided
at their intersections with primary and secondary streets.
(d)
Street
intersections.
Street intersections shall be as nearly
at right angles as practicable.
(e)
Culs-de-sac
streets.
In general, culs-de-sac streets shall have a
turnaround of not less than one hundred (100) feet in diameter in
residential areas, and not less than two hundred (200) feet in diameter
in commercial and industrial areas. The turnaround shall include at
least eighteen (18) feet of paved driving surface with a minimum exterior
radius of forty (40) feet for residential areas and eighty (80) feet
for commercial areas. The interior of the turnaround may be landscaped
as desired or paved. The council will accept or reject a plan with
culs-de-sac streets other than described below based on its merits
after considering density, land use, safety and convenience.
(f)
Width
and rights-of-way.
Pavement width and right-of-way shall
be thirty (30) feet and fifty (50) feet respectively. In the event
that the subdivision is completely residential and is not traversed
by a major traffic artery, a forty-foot right-of-way and twenty-six-foot
paved street may be approved.
(h)
Streetlights.
Streetlights shall be provided in all subdivisions within the
city. Streetlights shall be installed by the city public service board
at all public street intersections with other public streets and crosswalks
within the subdivision, at paved safety lane intersections with public
streets, and at other locations as designated by the city engineer.
The subdivider shall contract with the city public service board for
payment of all costs associated with the engineering and installation
of streetlighting. Such contracts must be executed prior to acceptance
of the public streets for maintenance.
(i)
Street
name signs.
Street name signs shall be installed at all
intersections within and abutting the subdivision. Such signs shall
be manufactured by the city. The city will erect the signs at no cost
to the subdivider, but he shall pay the actual costs of all material
and labor associated with the manufacture of the signs. Street name
signs shall not be installed until the street has been accepted for
maintenance by the city.
(j)
Street
construction.
All streets shall be constructed, with
respect to base, surfacing, curbs and geometric design criteria in
accordance with the standards and specifications promulgated by the
city engineer.
(1965 Code, sec. 22-11)
The city council in its discretion may require sidewalks in
a subdivision.
(1965 Code, sec. 22-12)
Water supply and distribution. All subdivisions
shall be provided with water supply and distribution systems approved
by the state health department and the city. The design, materials,
and construction of all water supply and distribution systems in the
planning area shall conform to the regulations specified in the applicable
sections of the city Code. No water supply and distribution improvements
shall be constructed by the subdivider until the plat has been approved.
(1965 Code, sec. 22-13)
(a)
Connection
with the sanitary sewer system of the city shall be required.
(b)
Extension
to the existing system, if required, shall be constructed by the developer.
They must be in place prior to the issuance of a building permit.
(1965 Code, sec. 22-14)
(a)
Where
drainage channels, watercourses or low areas that collect water exist
within a subdivision, a drainage study prepared by a registered professional
engineer must accompany the request for approval of the subdivision
plan, plat or replat. The study must show as a minimum that the proposed
subdivision as a whole will not increase or aggravate drainage problems
either upstream or downstream during construction or thereafter. The
study must consider storage volumes and velocities. The study must
include plans and specifications showing complete construction details
including calculations showing the basis for design. The one hundred-year
rainfall intensity, or the twenty-five-year ultimate development,
whichever is greater, shall be used.
(b)
In addition
to the above requirements, subdivision plans, plats or replats in
the defined floodplain must comply with all provisions of the city's
current floodplain ordinance.
(1965 Code, sec. 22-17)
