The preliminary plat shall be clearly and legibly drawn or reproduced at a scale of not less than one inch equals 100 feet. Preliminary plats shall be designed and drawn by a licensed state land surveyor. The plat shall be designed in compliance with the provisions of this article and shall show or be accompanied by the following information:
A.
A key map showing the entire subdivision and its relation to surrounding areas.
B.
The tract name, Tax Map sheet, block and lot number, date, reference meridian, graphic scale and the following names and addresses:
C.
Acreage of tract to be subdivided to nearest tenth of an acre.
D.
Lot lines and appropriate distances of proposed lots.
E.
Sufficient elevations or contours to determine the general slope and natural drainage of the land and the high and low points and tentative cross sections and center-line profiles for all proposed new streets.
F.
The location of existing and proposed property lines, streets, buildings, watercourses, railroads, bridges, culverts, drainpipes and any significant natural features, such as wooded areas and rock formations.
G.
Plans of proposed utility layouts (sewers, storm drains, water, gas and electricity) showing feasible connections to existing or any proposed utility systems. When an individual water supply or sewage disposal system is proposed, the plan for such system shall be approved by the appropriate local, county or state health agency. When a public sewage disposal system is not available, the developer shall have percolation tests or soil log made and submit the results with the preliminary plat. Any subdivision or part thereof which does not meet with the established requirements of this article or other applicable regulations shall not be approved by the appropriate local, county or state health agency.
(1)
For all major subdivisions, the developer shall arrange with the serving utility for the underground installation of the utility's distribution supply lines and service connections in accordance with the provisions of the applicable standard terms and conditions incorporated a part of its tariff as the same are now on file with the State Board of Public Utility Commissioners and shall submit to the municipal agency prior to the granting of final approval a written instrument from each serving utility which shall evidence full compliance with the provisions of this subsection, provided that lots in such subdivisions which abut existing streets where overhead electric and telephone distribution supply lines have theretofore been installed on any portion of the streets involved may be supplied with electric and telephone service from such overhead lines as existing extensions thereof, but the service connections from the utility's overhead lines shall be installed underground.
(2)
All minor subdivisions shall be presented to the municipal agency in order to determine the necessity for, or the advisability of, installing underground utility services; if the municipal agency determines that the utility services shall be installed underground, then the developer shall comply with all the requirements as set forth in Subsection G(1) of this section.
(3)
Wherever the utility is not installed in the public right-of way, an appropriate utility easement not less than 15 feet in width shall be provided. A copy of any protective covenants or deed restrictions applying to the land being subdivided shall be stated on the preliminary plat.
H.
A lot grading plan shall be prepared showing existing and final contours at five-foot intervals for slopes averaging 10% or greater and at two-foot intervals for land of lesser slope. There shall be indicated on the plan final elevations proposed for the corners of each building on the lot and at the setback line on the lot side lines. The proposed first floor and garage floor elevations must also be shown. The lot grading plan must show, in addition to the above, the proposed elevation of the lowest opening, such as a basement window.[1]