Form Updated: 07/2020
Development Services 1601 S. State St P.O. Box 1299 Decatur, TX 76234 www.decaturtx.org
Identify all existing easements and encumbrances on the property.
Include front building setback lines on all lots and sites. Side yard building setback lines shall be shown at street
intersections and crosswalks.
Identify all areas proposed for park dedication.
Identify all areas proposed for landscaping.
Identify all proposed buffers.
Identify all proposed green space.
Utilities
The identification, location, and size of all existing and proposed public facilities, including water and sanitary
sewer lines and associated easements that are proposed to serve the development.
Provide water and sewer demand/loading calculations, if anticipated/potential number of residential units exceeds
25 and/or amount of non-residential square footage is anticipated to exceed 130,680 square feet (3 acres), based
on City of Decatur Design Standards.
The Preliminary Plat shall include all existing sewers, water mains, gas mains, electric and telephone lines,
culverts or other underground structures or utilities within the tract and immediately adjacent thereto with pipe
sizes and locations indicated.
In the event water mains and sewers are not on or adjacent to the tract, indicate the direction, distance and size
of the destination mains, including invert elevations of the sewer lines.
Information on the means by which any alternative water or sanitary sewer service is to be provided, such as be
wells or septic systems and the location and distance from nearest public facility.
The size and location of all proposed water distribution mains, including valves and fire hydrants, may be required.
The size and location of all proposed sewer mains, including manholes, preliminary grades for each main between
manholes and the depth of each manhole may also be required.
The identification, location and size of all existing gas, petroleum, or similar common carrier easements located
within or on the boundary of the development. If no easements or pipelines are located on the property, add a
note to that effect.
Streets, Sidewalks and Driveways
The City may require that the Developer provide, at the Developer’s expense, a traffic study of the proposed
development. Traffic Study is required.
Three (3) copies of this study shall be submitted for review concurrently with the submittal of the Preliminary
Plat.
The traffic study shall be prepared and sealed by a Licensed Professional Engineer in the State of Texas.
Prior to Preliminary Plat approval, revisions to the traffic study shall be made as required by the City.
The identification, location and size of all existing and proposed streets, street names and street rights-of-way
located within the development or adjacent developments and any proposed roads identified on the Roadway
Component of the Mobility Plan.
Location of existing sidewalks within or adjacent to the property.
The location of any existing or proposed driveways / curb cuts that access or are proposed to access any existing or
proposed arterial or collector street located within the development, adjacent to the development or within 200
feet of the boundary of the development.
Centerline of existing and proposed right-of-way with dimension and arrow from centerline to edge of proposed
right-of-way with dimension.
When the Preliminary Plat includes curved streets, all relevant curve data including arc lengths, radii, internal
angles, points of curvature, and length and bearing of tangents shall be shown. For lots facing on curved streets,
the cord length of the lot at the front building setback line shall be shown.
Drainage
The City may require that the owner provide, at the owner’s expense, a drainage study of the proposed
development. Drainage Study is required.