O-2020-0269 - 10/8/2020I ORDINANCE NO. 0=2020=0269
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a AN ORDINANCE AMENDING ZONING AND DEVELOPMENT CODE,
s CHAPTER 4, ARTICLE V11 SECTION 4=88 CODE OF ORDINANCES
6 (2018 EDITION), CITY OF ROUND ROCK, TEXAS, REGARDING
7 SUBDIVISION AND ADDITION PLATS; AND PROVIDING FOR A
s SAVINGS CLAUSE AND REPEALING CONFLICTING ORDINANCES
9 AND RESOLUTIONS.
to
11 BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF ROUND ROCK,
12 TEXAS:
13 I.
is That Zoning and Development Code, Chapter 4, Article V11, Section 4-88, Code
is of Ordinances (2018 Edition), City of Round Rock, Texas, is hereby amended to read as
16 follows:
17 Chapter 4 - SUBDIVISION DESIGN AND CONSTRUCTION
18 Sec. 4=88. - Subdivision and addition plats.
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20 (a) Preliminary and final plats for additions or subdivisions shall show the limits of the ultimate 1
21 annual chance floodplain for all waterways draining 50 or more acres by hatch marking said
22 floodplain on the plat. In addition, all preliminary and final plats shall show the limits of zones A and
23 AE as depicted on the Federal Emergency Management Agency (FEMA) Flood Insurance Rate Map
24 (FIRM), if such zones fall within the boundaries of the plat.
25 (b) The final plat of any proposed addition or subdivision showing the limits of the ultimate 1 % annual
26 chance floodplain shall contain the following plat note:
27 "No fences, structures, storage or fill shall be placed within the limits of the ultimate 1 % annual
28 chance floodplain unless approved in accordance with city ordinances. "
29 (c) The final plat of any proposed addition or subdivision containing any property within SF-R, SF-1, SF-
30 21 SF-3, SF-D, TF or TH zoning districts, or single-family condominiums or detached, town homes
31 contained within a Planned Unit Development, shall provide public right-of-way, drainage easements
32 or separate lots dedicated for such purposes, as approved by the city, to cover at a minimum the
33 ultimate 1 % annual chance floodplain areas, drainage channels, pipe systems, and any other related
34 drainage facilities. All other final plats shall provide drainage easements or separate lots dedicated
35 for such purposes, as approved by the city, to cover at a minimum the ultimate 4% annual chance
36 floodplain areas, drainage channels, pipe systems and any other related drainage facilities.
37 (d) If any lot is adjacent to the ultimate 1 % annual chance floodplain, the final plat shall establish
38 minimum finished floor elevations (MFFE) for all such lots at two feet above the ultimate 1 % annual
39 chance floodplain elevation.
40 (1) For single -lot plats containing multiple foundations, a separate exhibit shall be provided prior to
41 recordation indicating the MFFE for each proposed slab adjacent to the ultimate 1 % annual
42 chance floodplain.
0112.20202; 00454802
1 (e) The final plat shall contain a statement by an engineer certifying the easements, slab elevations and
2 any other drainage related notes are in compliance with this chapter.
3 (fl No portion of any land located in the ultimate 1 % annual chance floodplain shall be counted toward
4 the minimum lot area requirement.
5 (g) For final plats that have been approved by the Planning and Zoning Commission (P&Z) prior to
6 October 1, 2020, re -delineation of floodplain limits and IVIFFE on the approved final plat, due to
7 adoption of Atlas 14 rainfall data, shall not be required as long as the final plat does not expire prior
8 to recordation with the county. P&Z approval of a preliminary plat shall not vest floodplain or IVIFFE
9 delineation for a subsequent final plat application.
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I I II.
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13 A. All ordinances, parts of ordinances, or resolutions in conflict herewith are
is expressly repealed.
is B. The invalidity of any section or provision of this ordinance shall not
16 invalidate other sections or provisions thereof.
17 C. The City Council hereby finds and declares that written notice of the date,
is hour, place and subject of the meeting at which this Ordinance was adopted was posted
ig and that such meeting was open to the public as required by law at all times during
20 which this Ordinance and the subject matter hereof were discussed, considered and
21 formally acted upon, all as required by the Open Meetings Act, Chapter 551, Texas.
22 Government Code, as amended.
23 Alternative 1.
24 By motion duly made, seconded and passed with an affirmative vote of all the
25 Council members present, the requirement for reading this ordinance on two separate
26 days was dispensed with.
27 READ, PASSED, and ADOPTED on first reading this day of
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2020.
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I Alternative 2.
2 READ and APPROVED on first reading this the G- t � day of
3 �����1�� , 2020.
4 READ, APPROVED and ADOPTED on second reading this the day of
s 4l�%6, 2020.
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9 CRAIG M RGA ,Mayor
io City of Round Ro k, Texas
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12 ATTEST:
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15 SARA L. WHITE, City Clerk
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