Physical Map Revision Flood Insurance Study Collin County, Texas Over the Shoulder Review Meeting Draft Floodplain Mapping 1 October 26, 2011
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
Introductions Introduction of Participants Name Community / Affiliation Your Department Your Role/Title Please make sure that you sign in 3
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
Community Points of Contact Community Contact Name Address Telephone Email Address Allen, City of Mayor Stephen Terrell City Hall 305 Century Parkway, 1st Floor, Allen, TX 75013 214.509.4105 sterrell@cityofallen.org Allen, City of Director of Engineering - John Baumgartner, P.E. City Hall 305 Century Parkway, 1st Floor, Allen, TX 75013 214.509.4577 jbaumgartner@cityofallen.org Carrollton, City of Mayor Matthew Marchant 1945 East Jackson Road, Carrollton, TX 75006 972.466.3001 Carrollton, City of Floodplain Administrator/ Civil Engineering Manager - Mike McKay 1945 East Jackson Road, Carrollton, TX 75006 972.466.3200 mike.mckay@cityofcarrollton.com Collin County Judge Keith Self 2300 Bloomdale Road McKinney, TX 75071 972.424.1460 keith.self@collincotx.gov Collin County Director of Engineering - Ruben Delgado 825 North McDonald Street, Suite 160, McKinney, TX 75069 972.548.3738 rdelgado@collincountytx.gov Dallas, City of Mayor Mike Rawlings 1500 Marilla Street, Room 5EN, Dallas, TX 75201 214.670.4054 Dallas, City of Watershed Program Manager - Stephen Parker, P.E., C.F.M. 320 East Jefferson, Room 200, Dallas, TX 75203 214.948.4690 stephen.parker@dallascityhall.com Fairview, Town of Mayor Sim Israeloff 732 Town Place, Fairview, TX 75069 972.562.0522 mayor@fairviewtexas.org Fairview, Town of Town Engineer - James Chancellor, P.E. 500 South State Highway 5, Fairview, TX 75069 972.886.4235 jchancellor@fairviewtexas.org Frisco, City of Mayor Maher Maso 6101 Frisco Square Boulevard, Frisco, TX 75069 972.292.5100 mmaso@friscotexas.gov Frisco, City of Storm Water Engineer - Allyssa Sanders, P.E., C.F.M. 6101 Frisco Square Boulevard, 3rd Floor, Frisco, TX 75069 972.292.5438 asanders@friscotexas.gov McKinney, City of Mayor Brian Loughmiller 222 N. Tennessee Street, McKinney, TX 75069 972.547.7507 McKinney, City of Floodplain Administrator - W. Kyle Odom 222 N. Tennessee Street, McKinney, TX 75069 972.547.7500 kodom@mckinneytexas.org Plano, City of Mayor Phil Dyer 1520 Avenue K, Room 250, Plano, TX 75086 972.941.7107 phildyer@plano.gov Plano, City of Director of Public Works - Gerald Cosgrove, P.E. 1520 Avenue K, Room 250, Plano, TX 75086 972.941.7152 geraldc@plano.gov Richardson, City of Mayor Bob Townsend 411 W. Arapaho Rd, Richardson, TX 75080 972.744.4100 Richardson, City of Assistant Director of Engineering - Jim Lockart Engineering Department, 411 West Arapaho Road, Richardson, TX 75080 972.744.4280 jim.lockart@cor.gov 5
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
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 Flood Study Process: Scoping / Initial Coordination
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
Flood Study Process: Topographic Data Development Terrain source used for PMR 2009 LiDAR from TNRIS 2007 Photogrammetric Data from NCTCOG 10
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 50-100 feet into overbanks Structure surveys As-built data from communities also collected 11
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, 2011 12
Flood Study Process Products (all study types) Flood Insurance Study Preliminary FIRM GIS Database Mapping Panels Hardcopy Adobe PDF on data disk 13
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
LOMR INCORPORATION No. Identifier 1. West Rowlett Creek Reclamation 2. Hardin Boulevard Extension Stream 2L1 and Prairie Creek 3. 063890002 (Reissuance of LOMR Case No. 07-06-0841P) 1 4. Estancia at Ridgeview Ranch (Reissuance of LOMR 07-06-0426P) 5. Spring Lake Estates (Reissuance of LOMR 07-06-1354P) 6. Wysong Tract (Reissuance of LOMR 07-06-1407P) TPC at Craig Ranch and Craig 7. Ranch, Phase 3 (Reissuance of LOMR 08-06-1994P) 2 8. 9. 10. 11. 12. Cottonwood Branch (Reissuance of LOMR 06-06-B193P) Panther Creek (Reissuance of LOMR 04-06-1201P) 3 Watters Branch at Exchange Parkway 2 Brookfield Phase II (Reissuance of Case No. 03-06-2534P) 3 Lakes on Legacy & Heritage Lakes Subdivision (Reissuance of Case No. 99-06-817P) No. 13. Identifier Legacy Drive Estates, Phase II (Reissuance of LOMR 04-06-672P) 14. Deer Creek 15. 16. 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 07-06-0542P) 19. Hillcrest Road and Franklin Road 3 20. 8.65 Acre Tract in the SE Corner of Hillcrest Road and SH 190 Intersection (Reissuance of LOMR 98-06-1555P) 21. Ridgeview Drive 2 22. 23. Brazos Electric Co. Tract on Cottonwood Creek Chapel Creek Addition (Reissuance of LOMR 03-06-2038P) 24. Chapel Creek Addition 25 Wilson Creek Tributary (Reissuance of LOMR Case No. 06-06-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
LOMRs 16
LOMRs 17
2. Hardin Boulevard Extension - Wilson Creek, Franklin Branch, Wilson Creek Tributary 9 Case Number: 09-06-1503P (Panel 0260) Effective FIRM Revised Area Based on LOMR 18
8. Cottonwood Branch (Reissuance of LOMR 06-06-B193P) - Cottonwood Branch Case Number: 09-06-3155P (Panel 0240) Effective FIRM Revised Area Based on LOMR 19
16. Rowlett Creek Exchange Parkway Westbound Lanes - Rowlett Creek Case Number: 10-06-0963P (Panel 0380) Effective FIRM Revised Area Based on LOMR 20
17. Hunters Creek Estates - Stream 2I12 Case Number: 10-06-0997P (Panels 0370, 0380, & 0390) Effective FIRM Revised Area Based On LOMR 21
20. 8.65 Acre Tract in the SE Corner of Hillcrest Road and SH 190 Intersection (Reissuance of LOMR 98-06-1555P) - Stream 5B14 Case Number: 10-06-1941P (Panel 0370) Effective FIRM Revised Area Based On LOMR 22
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
Sample Draft Floodplain Mapping Panel 24
Significant Areas of Change Panel 0370 - Prairie Creek 25
Significant Areas of Change Panel 0370 - Stream 5B24 26
Significant Areas of Change Panel 0360 - Stream 5B35 27
Significant Areas of Change Panel 0360 - Stream 5B36 28
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 495 29
Information Resources http://www.rampp-team.com 30 30
Information Resources 31 31
Information Resources 32 32
Contact Information - Texas FEMA Project Monitor Ron Wanhanen 940-383-7334 ronald.wanhanen@fema.dhs.gov FEMA Mitigation Planning Contact Patricia Schaffer 940-898-5136 Texas NFIP Coordinator Mike Segner 512-463-3509 Texas Planning Contact Greg Pekar, SHMO 512-424-2429 Production Lead Contacts Elizabeth Levitz 713-914-6569 elizabeth_levitz@urscorp.com Andrew Cao 713-914-6515 andrew_cao@urscorp.com 33
Questions? 34
Breakouts Draft Floodplain Mapping Review 35
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