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Bethel Estates 1-SY010608 (3)
Fcdclal ihncrgcncy Mmmgcmcm ASc~cy l"loodplain Analysis R. cport lbr a fi~r a pmtion of TRIBUTARY G-I of(;RAPEVINE CREEK Located m thc City of Coppcil. Dallas Counly, *I'cxas APPENDICES 6 -12 Vohunc 3 ot'3 Submitted ~I'o: I'he City of Coppcll, Texas and thc Federal Emergency Management Ak:choy Prepared For: The ltolmes Builders, lnc. 1406 Halsey Way Suite 100 Carrollton, Texas 75007 Prepared By: Jl) LANDES Inc. Civil & Environmental Engineers 1107 E. 1~t Street Fort Worth, Texas 76102 Jtmc, 2001 Federal Emergency Management Agency Floodplain Analysis Report for a Conditional Letter Of Map Revision for a portion of TRIBUTARY G-1 of GRAPEVINE CREEK Located in the City of Coppell, Dallas County, Texas APPENDICES 6 -12 Volume 3 of 3 Submitted To: The City of Coppell, Texas and the Federal Emergency Management Agency Prepared For: The Holmes Builders, Inc. 1406 Halsey Way Suite 100 Carrollton, Texas 75007 Prepared By: JD LANDES Inc. Civil & Environmental Engineers 1107 E. 1 ,t Street Fort Worth, Texas 76102 June, 2001 APPENDICES 6 - 12:HEC-2 Output Files APPENDIX 6: "CORRECTED EFFECTIVE" CONDITIONS WITH ENCROACHMENTS AND EXISTING DISCHARGES 100~Year Design Storm APPENDIX 7: "CORRECTED EFFECTIVE" CONDITIONS WITH EXISTING DISCHARGE 2-Year Design Storm APPENDIX 8: "CORRECTED EFFECTIVE" CONDITIONS WITH ENCROACHMENTS AND ULTIMATE DISCHARGES 100-Year Design Storm APPENDIX 9: "PROPOSED IMPROVED" CONDITIONS WITH EXISTING DISCHARGES 10, 50, 100 and 500-Year Design Storms APPENDIX 10: "PROPOSED IMPROVED" CONDITIONS WITH ENCROACHMENTS AND EXISTING DISCHARGES 100-Year Design Storm APPENDIX 11: "PROPOSED IMPROVED" CONDITIONS WITH EXISTING DISCHARGE 2-Year Design Storm APPENDIX 12: "PROPOSED IMPROVED" CONDITIONS WITH ENCROACHMENTS AND ULTIMATE DISCHARGES 100-Year Design Storm 0 o ~ 0 o ~°~ o ~ o CD 0 ~ ° o U ~o~oo 0 0 U ~oo 0 0 0 0 Z 0 oooo 0 o ~ 0 0 0 © U H ,< ,< U O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 oo O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 0 O0 O0 O0 O0 O0 O0 O0 O0 ~ O0 O0 O0 O0 O0 O0 O0 O0 ©0 O0 O0 O0 O0 0 0 O0 O0 " 0 0 0 0 0 0 0 0 0 0 O0 " O0 O0 O0 ~ O0 O0 O0 O0 O0 O0 ~ O0 O0 O0 O0 O0 O0 0 O0 (DO 0 O0 0 (DO O0 OC) O0 0 O0 CZ;CD 0 OCD 0 (DO OC) (;DO OC; 0 O0 O0 0 O0 0 O0 O0 O0 O0 0 cq HO00 oooo o o o oooo 0 · 0 o Z o o o o o oooo o o ~ 0 0 © o o ~ G 0 ~ o ~ mo00 U 00000000000000000 00000000000000000 ~00000000000000000 00000000000000000 00000000000000000 00000000000000000 00000000000000000 00000000000000000 00000000000000000 0 ~0000 o o o o o 0 .o o o 0ooo o o ~° U 0 0 0 0 U Z 0 0 0 Z 0 ° S o ~ © cq u o O0 o o 0 0 o o ~ o ~ o o 0 0 0 oooo o u 0 U 0 oo~. 0000 ooo.~¥ O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 ~ O0 O0 O0 O0 O0 ©0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 " O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 ~ O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 0 oo oo ~o oo ~ oo oo ~o z o O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 000000 0000 O0 0 O0 0 O0 O0 O0 O0 O0 0 000000 0000 O0 0 O0 0 O0 O0 O0 O0 O0 0 000000 0000 O0 0 O0 0 O0 O0 O0O0 O0 0 MO00 o o ~ H 0 o o o o 0 U 0 0 '0 H 0 0 o S o ~ H H 0 0 U oooo 0 ~°~ u o o o o ~ o ~ 0 0 0 o o o o o 0 c) 04 o ,¢ ,¢ 0 0 ~ o-~ ~ o .~o 0 0 0 o~ooo~ 0 Z °~ o ~ o o CD 0 O0 o000% o o I[ o 0 cq o ~ OOt~O o o ~° o 0 L9 U o ~ o ~ OOOO4 0 0 0 o U o Z 0 0 o > ° ~ 0 U 0 0 0 Z 0 0 o 0 0 oooo 0 U 0 0 U 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 ~ 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 ~ 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0 0000 0000 0000 0000 0000 0000 0000 Z 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 O0 ~ 0000 0000 0000 0000 0000 0000 0000 0000 0000 O0 0000 0000 0000 0000 0000 0000 0000 0000 0000 ~ 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 O0 ~ 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 O0 0000 0000 0000 0000 0000 0000 0000 0000 0000 O0 0 0000 0000 0000 0000 0000 0000 0000 0000 0000 O0 ~ ~ 0000 0000 0000 0000 0000 0000 0000 0000 0000 O0 O0 0 O0 00000 00000 000 00000 0000 000 0000 0 O0 oo0o0 00o00 000 00000 0000 000 0000 0 O0 00000 00000 000 00000 0000 000 0000 0 O0 ~ZOOZ OZO~O 00Z ZZZO0 ~ZZ ZmZ ~ZZZ oooo ooo o 0000 000 o ooo oooo o o 00o oo00 0 o ooo oooo 0 o oo oo o ~ ° o o o o o 0 0 ~oo~ U 0 U 0 U 0 U ~ o.~o.~o U o o o oo o o o 0 o ~ 0 U o 0 oooo oooo oooo 0 :> o o ~ o ~ U 0 0 o ~ 0 HO00 oooo U 0 0 o o 0 U O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 oo oo O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 0 O0 O0 O0 O0 O0 O0 O0 Z O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 0 O0 O0 O0 O0 O0 O0 O0 O0 O0 ~ ~ O0 O0 O0 O0 O0 O0 ~ 0000 0000 0 O0 O0 0 O0 0 O0 O0 0~0 O0 O0 O0 0 O0 0 O0 O0 O0 O0 0 O0 O0 CD O0 0 O0 O0 O0 O0 0 O0 O0 0 (:DO 0 (DO O0 OC; O0 0 O0 O0 0 0 0 0 0 0 O0 O0 O0 0 UU UU U UU U UU UU UU UU U o ~o o o ~o~o ZO g 00o0 oo00 0 G 000 o . o 0 o o U o o o 0 0 0 0 o O0 00000 000000 00000000000000000 00000000000000000 000 0 0 0 0000 o ~ oo °~ 0 ° o o 0 ~oo °~ © cq ~ o© o o 0 . 0 (D U 0 0 U ° ~ o ~ o o o o o o ~ o o o oooo 0 0 0 o o ° ~ o ~ oooo 0000 oooo o o oo00 0 - 0 U o ~ 0 0 000, 0 0 · 0 oooo o c> c> o Z O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 O0 OCD O0 O0 (DO ~ 0 0 O0 <DO O0 O0 O0 O0 ~:DO O0 O0 O0 O0 0 0 OC) O0 O<D O0 O0 O0 0 0 O0 O0 O0 O0 O0 O0 O0 O0 O0 .. 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