(a) Generally. The owner of the property to be platted must provide an easement or fee simple dedication of all property needed for the construction of streets, thoroughfares, alleys, sidewalks, storm drainage facilities, floodways, water mains, wastewater mains and other utilities, and any other property necessary to serve the plat and to implement the requirements of this article. Dedications shown on plats are irrevocable offers to dedicate the property shown. Once the offer to dedicate is made, it may be accepted by an action by the city council, by acceptance of the improvements in the dedicated areas for the purposes intended, or by actual use by the city. No improvements may be accepted until they are constructed according to the approved plans, details, and specifications, and the final plat is filed for record in the office of the county clerk of the county in which the property is located.
(b) Apportionment of exactions. See Section 51A-1.109 for regulations and procedures concerning apportionment of exactions.
(c) Streets.
(1) The percentage of right-of-way dedication required for streets is as follows:
(A) When the full right-of-way width of a street is contained within the boundaries of a proposed plat, the entire required right-of-way contained within the boundaries of the plat must be dedicated.
(B) When a thoroughfare is along the perimeter of a proposed plat, sufficient right-of-way must be dedicated to provide one-half of the thoroughfare plan requirement, measured from the centerline of the existing right-of-way or, if there is no existing right-of-way, the proposed right-of-way as determined by the director and the chief planning officer. If the property on the side of the thoroughfare opposite the property to be platted is railroad right-of-way or a utility or floodway easement, or if some physical or topographical condition makes the property on that side of the street undesirable for street right-of-way, the commission may require a correspondingly greater dedication.
(C) When a thoroughfare has a city council approved detailed alignment, all right-of-way falling within the approved alignment and within the boundaries of the proposed plat must be dedicated.
(D) If substandard right-of-way exists for an existing perimeter thoroughfare based on the thoroughfare plan requirements, and the plat includes property on both sides of the existing thoroughfare, sufficient right-of-way must be dedicated to meet the entire right-of-way requirement.
(E) When substandard right-of-way exists based on this article for a perimeter minor street, sufficient right-of-way must be dedicated to meet one-half of the entire right-of-way width requirement.
(F) When no right-of-way exists and a minor street is proposed, whether perimeter or contained within the boundaries of the proposed plat, the full right-of-way width must be dedicated.
(2) The amount of right-of-way, pavement width, and minimum centerline radius for all minor streets must be provided in accordance with the chart in Section 51A-8.604.
(3) When property has been previously platted and improvements have been constructed, accepted, and used, the commission may waive the requirements for additional right-of-way for existing streets if:
(A) no realignment of any minor street is proposed;
(B) no change in zoning classification is proposed;
(C) the street has been improved with the required number of lanes, and the full right-of-way standard is not warranted by expected traffic volumes, property access requirements, truck, bus, and taxi loading, or pedestrian use;
(D) the director and the chief planning officer recommend the waiver; and
(E) the commission finds that the area is a redeveloping area.
(d) Corner clips and sight easements.
(1) Corner clips must be dedicated at all intersections by means of a street easement. A corner clip is a triangle with the legs along the edges of the street rights-of-way. The size of the corner clip is based on the city's current design standards. Corner clips must be sized to provide an adequate turning radius, or to maintain public appurtenances within the area of the corner clip.
(2) Sight easements must be provided if required by the Street Design Manual of the city of Dallas.
(e) Alley sight easements. Alley sight easements must be granted at the intersection of any alley with a street. The size of the sight easement is that of a triangle with legs along the property lines equaling 15 feet.
(f) Utilities and drainage easements. Easements necessary for poles, wires, conduits, wastewater, gas, water, telephone, electric power, storm drainage, and any other utilities needed to serve the property being platted must be granted. All easements must comply with the following standards:
(1) Unless the grantee of an easement gives express written approval, no structures, fences, trees, shrubs or any other improvement may be placed in, on, above, over, or across the easement. An exception to this rule is that paving for parking, walkways, and driveways may be constructed over or across utility or drainage easements unless such construction is specifically prohibited by the plat or easement instrument.
(2) Any structures, fences, trees, shrubs, or other improvements, including paving, exist at the pleasure of the grantee. The owner of the subservient estate is liable for the full cost for any adjustments, relocations, restorations, replacements, or reconstruction to any item placed within the easement other than the utilities. The grantee has no responsibility for any destruction or damage to items other than utilities placed within the easement. Grantees of easements have the right of ingress and egress to their respective easements for the purposes of constructing, inspecting, and maintaining their improvements.
(3) If alleys are not provided, rear lot drainage easements and facilities may be required to prevent cross-lot drainage.