[Code 1964, § 21-20]
Street layout, block grading and lot grading data shall be shown on the subdivision plat, the objective being to establish the street grades, floor elevations and lot grades in proper relation to each other and to existing topography, considering property protection, appeal, use and drainage.
[Code 1964, § 21-21]
(a) 
Conformity to master plan. The arrangement, character, extent, width, grade and location of all streets in subdivisions shall conform to the master plan and shall be considered in their relation to existing and planned streets, to topographical conditions, to public convenience and safety and in their appropriate relation to the proposed uses of the land to be served by the streets.
(b) 
Streets not in master plan. Where not shown in the master plan, the arrangement of streets in a subdivision shall either:
(1) 
Provide for the continuation or appropriate projection of existing principal streets in surrounding areas; or
(2) 
Conform to a plan for the neighborhood approved by the city engineer to meet a particular situation where topographical or other conditions make continuance or conformance to existing streets impracticable.
(c) 
Minor streets. Minor streets shall be so laid out that their use by through traffic will be discouraged.
(d) 
Right-of-way widths. Street right-of-way widths shall be as shown in the master plan and where not shown in the master plan shall be designated by the city engineer.
(e) 
Half-streets. Half-streets shall be prohibited except where essential to the reasonable development of the subdivision in conformity with the other requirements of this chapter and where it will be practicable to require the dedication of the other half when the adjoining property is subdivided. Wherever a half-street is adjacent to a tract to be subdivided, the other half of the street shall be platted within such tract.
(f) 
Dead-end streets. Dead-end streets, designed to be so permanently, shall not be longer than 500 feet and shall be provided, if possible, at the closed end with a turnaround having an outside roadway diameter of at least 80 feet and a street property line diameter of at least 100 feet.
(g) 
Street names. No street names shall be used which will duplicate or be confused with the names of existing streets. Street names shall be subject to the approval of the common council.
(h) 
Grade. No street grade shall be less than 0.5%.
[Code 1964, § 21-22]
(a) 
Generally. Easements across lots or centered on rear or side lot lines in subdivisions shall be provided for utilities where necessary.
(b) 
Stormwater, drainage. Where a subdivision is traversed by a watercourse, drainageway, channel or stream, a stormwater easement or drainage right-of-way shall be provided conforming substantially with the lines of the watercourse and any further width or construction or both that will be adequate for the purpose. Parallel streets or parkways may be required in connection with the easement or right-of-way.
[Code 1964, § 21-23]
(a) 
Dimensions. The lengths, widths and shapes of blocks in subdivisions shall be determined with due regard to the following:
(1) 
Provision of adequate building sites suitable to the special needs of the type of use contemplated.
(2) 
Zoning requirements as to lot sizes and dimensions.
(3) 
Needs for convenient access, circulation, control and safety of street traffic.
(4) 
Limitations and opportunities of topography.
(b) 
Pedestrian right-of-way. A pedestrian right-of-way, not less than 10 feet wide, shall be required where deemed essential to provide circulation or to provide access to schools, playgrounds, shopping centers, transportation and other community facilities.
[Code 1964, § 21-24]
(a) 
Generally. The lot size, width, depth, shape and orientation and the minimum building setback lines shall be appropriate for the location of the subdivision and for the type of development and use contemplated.
(b) 
Conformity to zoning requirements. Lot dimensions and setbacks shall conform to the minimum requirements of the zoning chapter.
[Code 1964, § 21-25]
(a) 
Authority of city engineer. Where a proposed park, playground, school or other area for public use shown in the master plan is located in whole or in part in a subdivision, the city engineer may require the dedication or reservation of this area within the subdivision in those cases in which the city engineer deems the requirements to be reasonable.
(b) 
Authority of planning board. Where deemed essential by the city engineer upon consideration of the particular type of development proposed in the subdivision and especially in large-scale neighborhood unit development not anticipated in the master plan, the planning board may require the dedication or reservation of any other areas or sites of a character, extent and location suitable to the needs created by the development for schools, parks and other neighborhood purposes.