Physical Map Revision Flood Insurance Study

Transcription

1 Physical Map Revision Flood Insurance Study Collin County, Texas Over the Shoulder Review Meeting Draft Floodplain Mapping 1 October 26, 2011

2 Presentation Overview Introductions and Sign in Meeting Purpose and Overview Community Points of Contact Review Overview of Flood Study Process Approved LOMRs Draft Floodplain Mapping Schedule Update Information Resources Questions and Contact Information Breakout Sessions for Draft Floodplain Mapping Review 2

3 Introductions Introduction of Participants Name Community / Affiliation Your Department Your Role/Title Please make sure that you sign in 3

4 Meeting Purpose and Overview Why are we here? Provide Project Update Present Draft Floodplain Mapping Products for Community Review Review incorporated LOMRs Identify Problems and Discrepancies Earlier in the Process Project Schedule Update 4

5 Community Points of Contact Community Contact Name Address Telephone Address Allen, City of Mayor Stephen Terrell City Hall 305 Century Parkway, 1st Floor, Allen, TX Allen, City of Director of Engineering - John Baumgartner, P.E. City Hall 305 Century Parkway, 1st Floor, Allen, TX jbaumgartner@cityofallen.org Carrollton, City of Mayor Matthew Marchant 1945 East Jackson Road, Carrollton, TX Carrollton, City of Floodplain Administrator/ Civil Engineering Manager - Mike McKay 1945 East Jackson Road, Carrollton, TX mike.mckay@cityofcarrollton.com Collin County Judge Keith Self 2300 Bloomdale Road McKinney, TX keith.self@collincotx.gov Collin County Director of Engineering - Ruben Delgado 825 North McDonald Street, Suite 160, McKinney, TX rdelgado@collincountytx.gov Dallas, City of Mayor Mike Rawlings 1500 Marilla Street, Room 5EN, Dallas, TX Dallas, City of Watershed Program Manager - Stephen Parker, P.E., C.F.M. 320 East Jefferson, Room 200, Dallas, TX stephen.parker@dallascityhall.com Fairview, Town of Mayor Sim Israeloff 732 Town Place, Fairview, TX mayor@fairviewtexas.org Fairview, Town of Town Engineer - James Chancellor, P.E. 500 South State Highway 5, Fairview, TX jchancellor@fairviewtexas.org Frisco, City of Mayor Maher Maso 6101 Frisco Square Boulevard, Frisco, TX mmaso@friscotexas.gov Frisco, City of Storm Water Engineer - Allyssa Sanders, P.E., C.F.M Frisco Square Boulevard, 3rd Floor, Frisco, TX asanders@friscotexas.gov McKinney, City of Mayor Brian Loughmiller 222 N. Tennessee Street, McKinney, TX McKinney, City of Floodplain Administrator - W. Kyle Odom 222 N. Tennessee Street, McKinney, TX kodom@mckinneytexas.org Plano, City of Mayor Phil Dyer 1520 Avenue K, Room 250, Plano, TX phildyer@plano.gov Plano, City of Director of Public Works - Gerald Cosgrove, P.E Avenue K, Room 250, Plano, TX geraldc@plano.gov Richardson, City of Mayor Bob Townsend 411 W. Arapaho Rd, Richardson, TX Richardson, City of Assistant Director of Engineering - Jim Lockart Engineering Department, 411 West Arapaho Road, Richardson, TX jim.lockart@cor.gov 5

6 Overview of Flood Study Process FEMA Flood Study Project Phases Scoping Meeting (completed) Project Kickoff Meeting (completed) Data Acquisition & Development FIRM Production & Preliminary FIRM Issuance CCO Meeting Post Preliminary Processing 6

7 Flood Study Process: Scoping / Initial Coordination Initial Coordination Summary Overview of Final Scope 57 miles of stream developed on new topographic data provided by the Texas Natural Resources Information System and North Central Texas Council of Governments 11 FIRM panels to be revised 7

8 8 Flood Study Process: Scoping / Initial Coordination

9 Flood Study Process: Base Map Development Base Data Layers Imagery, political boundaries, hydrographic features, and roads data provided by the NCTCOG Effective FIRM database used for all other base data 9

10 Flood Study Process: Topographic Data Development Terrain source used for PMR 2009 LiDAR from TNRIS 2007 Photogrammetric Data from NCTCOG 10

11 Flood Study Process: Field Survey and Reconnaissance Reconnaissance performed by modeling team Field Survey Cross-sections taken at approx. every 3,000 feet and at every structure which extended feet into overbanks Structure surveys As-built data from communities also collected 11

12 Flood Study Process: Flood Engineering Data Development Enhanced Product - Riverine Hydrology Rainfall-Runoff Models (HEC- HMS 3.4) Hydrology is complete and was submitted on March 21, 2011 Hydraulics 57 miles of AE Zones w/floodways (HEC-RAS 4.0.0) Hydraulics is complete and was submitted on June 30,

13 Flood Study Process Products (all study types) Flood Insurance Study Preliminary FIRM GIS Database Mapping Panels Hardcopy Adobe PDF on data disk 13

14 LOMRs LOMRs Ongoing drainage improvement projects Outreach to communities multiple times to ensure all approved LOMRs are being incorporated It s not too late We will do the best we can to incorporate 14

15 LOMR INCORPORATION No. Identifier 1. West Rowlett Creek Reclamation 2. Hardin Boulevard Extension Stream 2L1 and Prairie Creek (Reissuance of LOMR Case No P) 1 4. Estancia at Ridgeview Ranch (Reissuance of LOMR P) 5. Spring Lake Estates (Reissuance of LOMR P) 6. Wysong Tract (Reissuance of LOMR P) TPC at Craig Ranch and Craig 7. Ranch, Phase 3 (Reissuance of LOMR P) Cottonwood Branch (Reissuance of LOMR B193P) Panther Creek (Reissuance of LOMR P) 3 Watters Branch at Exchange Parkway 2 Brookfield Phase II (Reissuance of Case No P) 3 Lakes on Legacy & Heritage Lakes Subdivision (Reissuance of Case No P) No. 13. Identifier Legacy Drive Estates, Phase II (Reissuance of LOMR P) 14. Deer Creek Cottonwood Creek No. 1, For Star Creek Collin County TX Rowlett Creek Exchange Parkway Westbound Lanes 17. Hunters Creek Estates 18. Anselmi Tract, APL001 (Reissuance of LOMR P) 19. Hillcrest Road and Franklin Road Acre Tract in the SE Corner of Hillcrest Road and SH 190 Intersection (Reissuance of LOMR P) 21. Ridgeview Drive Brazos Electric Co. Tract on Cottonwood Creek Chapel Creek Addition (Reissuance of LOMR P) 24. Chapel Creek Addition 25 Wilson Creek Tributary (Reissuance of LOMR Case No B170P) 1 LOMR for Prairie Creek was superseded. 2 LOMR was partially incorporated (flood profiles and FWDTs only). 3 LOMR was partially incorporated (flood profiles, FWDTs and FIRM update for PMR area only). 15

16 LOMRs 16

17 LOMRs 17

18 2. Hardin Boulevard Extension - Wilson Creek, Franklin Branch, Wilson Creek Tributary 9 Case Number: P (Panel 0260) Effective FIRM Revised Area Based on LOMR 18

19 8. Cottonwood Branch (Reissuance of LOMR B193P) - Cottonwood Branch Case Number: P (Panel 0240) Effective FIRM Revised Area Based on LOMR 19

20 16. Rowlett Creek Exchange Parkway Westbound Lanes - Rowlett Creek Case Number: P (Panel 0380) Effective FIRM Revised Area Based on LOMR 20

21 17. Hunters Creek Estates - Stream 2I12 Case Number: P (Panels 0370, 0380, & 0390) Effective FIRM Revised Area Based On LOMR 21

22 Acre Tract in the SE Corner of Hillcrest Road and SH 190 Intersection (Reissuance of LOMR P) - Stream 5B14 Case Number: P (Panel 0370) Effective FIRM Revised Area Based On LOMR 22

23 Draft Floodplain Mapping Product One set of maps provided to each Community for review and comments Panels are in DRAFT form only and cannot be used for permitting or copied Please return any comments by November 9, 2011 An envelope for shipping maps back is provided and UPS labels will be provided immediately after contacting RAMPP study manager 23

24 Sample Draft Floodplain Mapping Panel 24

25 Significant Areas of Change Panel Prairie Creek 25

26 Significant Areas of Change Panel Stream 5B24 26

27 Significant Areas of Change Panel Stream 5B35 27

28 Significant Areas of Change Panel Stream 5B36 28

29 Schedule Update Preliminary Issuance Target: 12/30/11 Post Preliminary Consists of Three Stages Community Coordination Meeting Appeal Period and Resolution Map Adoption FEMA Publication

30 Information Resources

31 Information Resources 31 31

32 Information Resources 32 32

33 Contact Information - Texas FEMA Project Monitor Ron Wanhanen ronald.wanhanen@fema.dhs.gov FEMA Mitigation Planning Contact Patricia Schaffer Texas NFIP Coordinator Mike Segner Texas Planning Contact Greg Pekar, SHMO Production Lead Contacts Elizabeth Levitz elizabeth_levitz@urscorp.com Andrew Cao andrew_cao@urscorp.com 33

34 Questions? 34

35 Breakouts Draft Floodplain Mapping Review 35

36 36