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Estates DC-SY 991230NDM NATHAN D. MAIER CONSULTING ENGINEERS, INC. December 30, 1999 Mr. Ken Griffin, P.E., City Engineer City of Coppell / Engineering Development 255 Parkway Boulevard / P.O. Box 478 Coppell, Texas 75019 RE: Holmes Tract, North of Sandy Lake, West of Denton Creek NDM Job # 9810102 Dear Mr. Griffin: The subject property is a 31.6-acre tract that fronts on the northerly line of Sandy Lake Road and is positioned between Hollywood Street to the west and Denton Creek to the east. Current zoning for the property is SF-12. The owner presented a request for a zoning change for PD(SF-9) to Council this past March 9. The Council had concerns about the potential erosion of Denton Creek banks adjacent to the platted lots and denied the request. To resolve the concems about Denton Creek, we have preformed a hydraulic study to determine the channel velocities for the more frequent storm events that maintain in-bank flows. A discharge of 2000-cfs was used for the authorized release from Grapevine Lake and 5000-cfs bank high flows represent a 2-year storm event. Any greater discharges than these values overtop the eastedy bank and combine flows with the Elm Fork. Ten field surveyed cross sections along the project reach were added to the in-house Denton Creek model "LBREX3.1H2". These cross section locations ara shown on the attached Exhibit 2- Cross Section Locations. Plots of the cross sections are also attached under Exhibit 3 - Cross Section Plots. Following is a tabulation of the resulting water surface elevations and channel velocities from the computer analysis. TABLE I - DENTON CREEK, COPPELL, TEXAS Cross Section Discha~e CWSEL VCH Discha~e CWSEL VCH Number (ds) (msl) ~ps) (ds) (msl) ~ps) 5610 2000 440.24 3.02 5000 445.44 4.12 5970 2000 440.43 3.24 5000 445.62 4.28 6430 2000 440.70 3.02 5000 445.92 3.97 6945 2000 440.94 3.83 5000 446.15 5.25 7515 2000 441.26 1.67 5000 446.69 2.70 7605 2000 441.27 1.61 5000 440.72 2.53 7705 2000 441.20 3.23 5000 446.58 4.81 8290 2000 441.47 3.13 5000 447.07 3.74 .8790 2000 441.72 2.88 5000 447.31 3.80 9120 2000 441.85 ! 3.08 5000 447.45 4.22 Two NorthPark / 8080 Park Lane / Suite 600 / Dallas, Texas 75231 / (214) 739-4741 The 100-year water surface elevation for the Elm Fork at this location is 446.0, which creates some shallow inundation on a portion of this property. This is intended to be addressed with CLOMR and CDC permits once the question concerning the erosion is resolved. During a field inspection of the creek banks it is apparent that the outside bends have experienced some erosion over an expanse of time. However, judging by the degree of root exposure and the size of the trees along the top bank, this erosion appears to have 'occurred over a long pedod. A possible resolution to the bank erosion question would be to construct bag walls at select creek reaches and/or establish a setback of perhaps 30-feet for an erosion zone. This information is being presented to you for your review and to establish some type of cdteria that will allow for this property to be developed into a single-family subdivision. Perhaps a field tdp to the site to inspect the creek could be beneficial to establish development criteda that are acceptable to the city and the owner. Attached are exhibits showing property location, cross section locations, plots of the stream cross sections, and a copy of the HEC-2 computer analysis. If additional information is requested, please contact me or Mike Daniel,P.E. at (214) 739- 4741 or email at mboyd(~ndmce.com. Sincerely, NATHAN D. MAIER CONSULTING ENGINEERS, INC. Michael H. Boyd, P.E. ,~, ~.."' ,~ ";-.'~.~,~ Executive Vice President f?...,". ~ U~CHAEL H ,nvn "~ Attachments · '. ','.~ ........... ;.-:¥:.~.... ..~ cc: C. Michael Daniel, P.E./NDMCE '~,~:P~'.'~.?*,/ST~..'~,~,~''~' RJ CARROLLTON p~p ,,2.169 NATHAN D. MAIER CONSULTINC; ENGINEERS, INC. Two Northpark / 8080 Park Lane / Suite 600 Dallas, Texas 75:231 / (:214) 7:39-4741 Exhibit 1 Property Map Exhibit 2 Cross S~tion Locations ~ ~ N~TH~N D. ~IER CONS~LTIN~ E~I~EERS, INC.  T~o ~orth~ark / 8080 Park Lane / Suite 600 Dallas, Texas 7523~ / (2~4) 739-474~ 5000CFS 4145,44 4,12 8000CFS 440,84 3,02 1000 1100 1200 ]]ist~nce (Feet) Section 5610 1300 5000CFS 4;45,62 4,28 2000CFS 4140,43 3,24 1000 I 1100 1200 Distance (?eet) Section 5970 1300 Exhibit 3, Sheet I of 5 Cross Section Plots NATHAN D. MAIER CONSULTING ENGINEERS, INC. Two Northpark / 8080 Park L~.ne / Suite 600 Dallas, Texas 75231 / (214) 739-4741 5000CFS 4]45,92 3,97 ] ] 5000CFS 446,15 5,25- 2000CFS 440,70 3.02 ] 2000CFS 440,94 3,83' 1000 1100 1800 1300 1000 1100 1800 1300 Dist:nce (~ee~) Dist:nce (Pee~) Section 6430 Section 6945 I::xhibit 3, Sheet Cros~ Section Plot~ NATHAN D. MAIER CONSULTING ENGINEERS, INC. Two Northpark / 8080 Park Lane / Suite 600 Dallas, Texas 75231 / (214) 739-4741 o o 5000CFS 446,69 2,70' 5000CFS 446,72 2,53' F'OOOCFS 441.26 1,67' POOOCFS 441.27 1,61 - lOOO llOD 1200 1300 lOOO 1100 1200 1300 Distance (~eet) Distance (~eet) Section 7515 Section 7605 Exhibit 3, Sheet 3 of 5 Cross Section Plots ~ [~ V NATHAN D. MAIEI~ CONSULTING ENC~INEERS, INC. Two Northpark / 8080 Park Lane / Suite 600 Dallas, Texas 75231 / (214) 739-4741 o w gEL VCH ' ~ C~/SEL VCH ' 5000CFS 446,58 4,811 5000CFS 447,07 3,741 2000CFS 441,20 3,231 2000CFS 441.47 3,13. g o 1000 1100 1200 '~ I I I I I Distance (Fee't) PO00 E~IO0 ~200 ~300 P400 ~500 Distance (~eet) Section 7705 Section 8290 Exhibit 3, Sheet 4 of 5 Cross Section Plots &J~ ~ V NATHAN D. MAIER CONSULTING ENGINEERS, INC. Two Northpark / 8080 Park Lane / Suite 600 Dallas, Texas 75231 / (214) 739-4741 w ] fil C~/SEL VCH ' 5000CFS 447.31 3.)30] 5000CFS 4]47,45 4,22 ' 2000CFS 441,72 8,88' P000CFS 441,85 3,08 . ~ I I I ~ I I I 1000 1100 1E~O0 1300 lOOO llDO 1200 1300 Distance (Feet) Distance (~eet) Section 8790 Section 9180 Exhibit 3, Sheet 5 of 5 Cross Section Plots ~ ~ V NATHAN D. MAIER CONSULTING ENGINEERS, INC. Two Northpark / 8080 Park Lane / Suite 600 Dallas, Texas 75231 / (214) 739-4741 * HEC-2 t~ATER SURFACE PROFILES * * * * Version 6.6.21 Hay 1991 * * * * RUN DATE 29DEC~9 TI#E 12:35:25 * * U.S. AP, NY CO~PS OF ENGINEERS * * HYDROLOGIC ENGINEERING CENTER * * (~)9 SECOND STREET, SUITE D * * DAVIS, CALIFORNIA 95616-~687 * * (916) 756-1106 * X X XXXXXXX XXXXX X X X X X X X X X XXXXXXX XXXX X X X X X X X X X X X X XXXXXXX XXXXX XXXXX XXXXX X X X XXXXX X X XXXXXXX 290EC99 12:35:25 PAGE HEC-2 WATER SURFACE PROFILES Version ~.6.2; Hay 1~1 THIS RUN EXECUTED 29DEC99 12:35:25 T1 T2 T2 T3 T4 T5 T6 EXISTING DENTON CREEK FLOOOPLAIN CONDITIONS GRAPEVINE LAKE RELEASE DISCHARGE EL# FORK NORHAL WATER LEVEL STARTING CI~IDITION DENTON CREEK - LUNA ROAD BRZDGE ANALYSES BY NATHAN D. FIAIER CONSULTING ENGINEERSw INC. FILE : LRBEX~.IH2 APRIL 15/99 ADD POINTS FOR NEW CROSS SECTIONS WHICH INCREASE ELEV NEAR LEFT BANK ADJUSTED RIGHT OVERBANKS ON NEM SECTIONS PUT IN X3CARDS J1 ICHECK ING NINV IDIR STRT NETRIC HVINS Q 2 J2 NPROF IPLOT PRFVS XSECV XSECH F# ALLDC 1 -1 J3 VARIABLE CODES FOR SUIIiUY PRINTOUT 150 J5 LPRNT NUMSEC ********REGUESTED SECTION NUMBERS -10 -10 NC .0/,5 .0~5 .04 .1 .3 QT & 2000 5000 13871 23083 SECTIONS 110 TO 4~80 FROM FILE : SLRDCEX. IH2 SECTIONS DETERNINED FROM ~ TOPOGRAPHIC NAPPING CHANNEL APPROXINATED USING STREAN BED ELEVATIONS FRON FIS PROFILE USEL FQ 431.0 CHNIN ITRACE Xl 110 42 2110 2190 )(3 10 GR 437 2 43? 96~ U~O 970 ~2 990 ~62.5 1000 GR ~Z~0.5 1025 439.5 1055 436.8 1280 436.9 1455 437.1 1500 GR 437.4 1575 438 1650 438.4 1775 438 1875 438.5 1900 GR 440 1920 /~0.2 1980 ~/~0.1 2065 /,60 2110 419.4 2151 GR 419.4 2152 4/,0 2190 /,/,3 2330 442 2430 ~1.8 2560 OR /,40 2640 /,$9.8 2710 438 2760 438 ~L~ 438.1 ~ GR ~0 3150 440.1 3175 ~,0 3200 439.8 3380 ,0 3590 GR 4/,1.8 3625 ~2 3655 ~,3.3 3895 4~,2 3730 /,42 3810 GR /143 388O ~7. ? 3930 ~)EC99 12:35:25 Xl 680 34 1545 167.5 540 170 570 X3 10 GR 437 90 437 993 438.7 1000 438.5 1040 GR 440.6 1200 442 1300 442.5 1430 442 1545 GR 424.2 1593 440 1625 442 1640 443.1 1680 GR 442.4 1770 442 1890 441.5 2230 441.3 2570 GR 443 2840 444 2890 445 2920 444 2950 ~R 442 3030 440.9 3060 442 3090 442.1 3200 GR 442.? 3510 442 3660 442.1 3740 447.6 3780 Xl 1330 31 1680 1810 810 230 X3 10 GR 4*2 320 4*3.8 380 443.0 580 GR 440 753 437 766 437 989 GR 4*2 1230 4.1.4 1340 442 1430 GR 442 1680 4*0 1720 425.8 1748 GR 4*2 . 1810 4.2.5 1880 GR ~4 3~ ~ 3130 ~.4 31~ GR ~7.7 SECTION a 23+70 REPEATED FO~ TRANSITION TO SITE LIMIT 650 443.8 4*O 442.1 4Z~.8 4.3.1 720 1000 1470 1762 2595 3240 Xl 2360 29 2580 2688 350 170 1030 X3 10 GR 4*2 364 4*2.6 409 4*2 439 4*2 1000 GR 442 1300 442.5 1710 442.6 21 75 443.5 2370 GR 444 2580 426.8 2614 426.8 ~ ~ 2670 GR 44* 2760 444 2830 443.9 2870 ~ 2910 OR 4*4.8 3080 444 3120 443.6 3170 444 3210 GR 444 3500 443.3 3640 ~, 3790 447.6 3850 APPROXIMATE DNSTRN END OF SANDY LNCE RD PROPERTY IN RT C)VERBAJIK Xl ?.370 29 2580 2688 10 10 10 X3 10 GR 442 3~ 442.6 409 442 439 442 1000 GR 442 1300 4.2.5 1710 442.6 2175 4.3.5 ;370 GR 444 2580 426.8 2614 426.8 26~ ~ 2670 OR ~ 2760 ~ 2830 4,3.9 2870 4~ 2910 GR 444.8 3080 44* 3120 443.6 3170 444 3210 GR 44* 3500 4*3.3 3640 4*4 37'90 4*7.6 3850 440 424.2 442.7 4*2 442 442 442 442 442.4 440 444 443.1 4*2 ,~ z~.5 PAGE 1145 1581 1710 28O0 299O 3330 745 1020 1590 1790 2810 3545 1180 256O 268O 298O 3340 1180 268O 296O 3340 Xl 2610 41 2510 2640 120 25 2~0 X~ 10 GR 4*2.4 367 442 492 4*2 809 4.1.2 862 4.1.9 1000 GR 441.8 1110 442 1195 442.2 1250 444 1350 444.5 1410 GR 444 1470 443.5 1525 4*2.2 1790 444 2155 444 2180 GR 4*3.9 2240 444 2280 444.2 2310 444 2340 4*3.8 ;390 GR 444 2440 44* 2510 427.0 254* 427'.0 2604 440 2630 GR 442 2640 444 2700 442 2800 442 2925 444 2935 OR 444 2990 443.9 3030 443.5 3100 ~ 3;30 443.8 3270 29DEC99 12:35:25 GR 444 3300 444.5 3500 444 3630 GR 447.5 398O 443.8 31'40 3920 Xl 3140 30 3095 3230 55 80 530 X3 10 GR 442.3 383 442 463 442 666 441.5 1000 441.8 1100 GR ~2 1240 442 1300 441.8 1320 442 1340 4~ 1430 GR 444 1550 442.2 1660 442.7 1795 ~ 2150 ~.3 2250 GR 444 2390 442 2525 442.8 2680 442.9 2825 442 3095 GR 440 3140 427.5 3165 427.5 3197 ~ 3230 44~.2 3271) GR 444.9 3360 444.3 3610 442.9 3800 442.7 3950 447.5 4010 28O 3420 34 3205 3380 100 270 10 442.1 433 442 455 442 622 442 1270 441.9 1410 442.2 1540 442.7 2075 444 2220 ~.5 *~ 2275 442.8 2500 444 2600 442 2650 /~4 3120 ~.4 3170 ~ 3205 427.7 3325 440 3350 442 3380 Z~) 3540 447.1 3615 4*6 3725 652 1630 2305 2745 3260 3395 3825 Xl X3 GR GR GR GR GR GR GR 441.6 442 427. ? 4*5.5 4.1.9 4~ 4*2 ~6.9 IOO0 1770 2610 298O 3289 3470 Xl 3890 40 3090 3185 130 625 470 )(3 10 GR 442.1 396 4*2 419 442 443 442.5 580 442 625 GR 442 1000 4*2 1110 4.2.1 11~ ~2 1215 ~2 12~ GR ~2.1 1~0 ~2.2 1550 4~ 1~ ~ 1~0 ~ 2~ GR 4~ 2140 ~2 21~ 440 2~0 ~2 2410 ~2.4 2450 GR ~ 23~ ~4.2 2525 ~& 2540 ~2.4 2~0 ~ ~0 GR ~5.& ~00 ~ 3~ ~2 3110 &~.2 31~ 4~.2 3153 GR ~ 31~ ~ 3210 ~ 3240 ~5 32~ ~ 32~ GR ~.8 3~ ~6 35~ ~5.4 35~ ~ ~50 ~.~ ~ APPROXlIqATE UPSTR# END OF SANDY LAKE RD PROPERTY IN RT OVERBANK 444 444.6 428.3 446 PAGE Xl 4*20 29 3145 3235 340 /,85 530 X3 10 GR 442.8 525 4*3.3 1000 443.4 1185 ~ 1380 GR 444.3 1560 444 1780 4*/,2.7 2010 ~ 2140 GR 442 2250 4*2 2760 ~ 2800 444.2 28~5 GR ~ 3025 ~ 3060 445.2 3095 4*4 3145 GR 428.3 3198 442 3225 444 3235 445.8 3280 GR 4~6.8 3405 ~ 3405 ~. 1 3575 4,5.6 3715 SECTION 0 4*+20 REPEATED FOR TRANSITION FROg SITE LI#IT 1440 2220 2935 3176 335O 291)£~ 12:35:25 Xl 4430 29 3145 3235 10 10 10 X3 10 GR 442.8 525 443.3 1000 443.4 1185 444 1380 GR 444.3 1560 444 1780 442.7 2010 444 2140 GR 442 2250 442 2760 444 2800 444.2 2845 GR 444 3025 444 3060 445.2 3095 444 3145 GR 428.3 3198 442 3225 444 3?.35 445.8 3280 GR 446.8 3405 446 3465 444.1 3575 445.6 3715 Xl 4780 27 3170 3~5 160 340 350 X3 10 OR 458 540 456 580 454 600 446 GR 445.5 1290 445 1725 ~4.7 2110 445.2 GR 446 2445 446 ~520 445.8 2695 444 GR 444 3060 443.5 3100 444 3130 444 GR 428.2 3234 428.2 325~ 440 3280 444 GR 445.5 ~430 445.9 3505 field cross section of creek Xl 5610 14 1089 1183 X3 10 GR 444.30 1000 444.41 1034 GR 438.55 1103 434.05 1114 GR 440.03 1183 444.16 1201 field cross section of creek Xl 5970 15 1097 1206 X3 10 GR 445.22 1000 445.46 1048 Gl{ 439.69 1121 433.75 1126 GR 437.58 118~ 439.62 1196 field cross section of creek X1 6430 11 1085 1183 X3 10 GR 445.56 1000 4~.08 10~0 GR 425.67 1127 433.80 1154 field cross sectio~ of creek Xl 6945 8 10~0 1180 X3 10 GR 445.97 1000 445.16 1050 GR 433.77 1172 445.52 1180 field cross section of creek X1 7515 8 1057 X3 10 GR 445.61 1000 445.~8 GR 433.09 1176 446.00 field cross section of creek 1184 1057 1184 710 443.56 433.91 300 444.40 426.47 444.39 450 444.41 439.26 550 445.02 590 1064 1115 1213 44O 1069 1153 120~ 450 1085 1160 44O 540 1069 ~0 442.32 426.79 447.04 443.86 433.~3 445.19 433.90 441.47 515 442.i'3 570 431.9:~ 65O 2250 2975 3170 3295 1089 1139 1245 1097 1180 1236 1097 1183 1112 1078 444 444 444.6 428.3 444.8 446 444.5 440 445.3 438.89 4~.~ 441.34 433.56 446.77 4~.01 441.93 4?.6.60 427.03 PAGE 1440 2220 2935 3176 3350 1000 ?34O 3030 3210 3355 1091 1171 1102 1181 1239 1102 1197 1144 1152 .) 29DEC99 12:35:25 PAGE 5 Xl 7605 13 1098 1224 125 X3 10 GR 445.95 1000 445.71 1054 442.37 GR 442.40 1101 433.88 1108 430.17 GR 432.11 1216 446.00 1224 446.90 field cross section of creek Xl 7705 9 1048 1112 158 X3 10 GR 442.87 1000 441.59 1017 442.82 GR 426.56 1082 432.11 1104 446.00 field cross section of creek Xl 8290 15 2282 2413 529 X3 10 GR 446.00 2067 445.64 2155 445.54 GR 434.26 2291 429.16 2324 433.96 GR 442.17 ..... 23~ /~.&l . - 2379 - 444.54 fietd cross section of creek Xl 87X70 13 1100 1213 485 X3 10 GR 446.29 1000 445.88 1049 446.30 GR 438.94 1135 436.26 1144 432.09 GR &35.17 1195 444.00 1213 446.00 field cross section of creek Xl 9120 13 1077 1176 315 X3 10 GR 445.17 1000 445.87 1045 446.20 SR &37.68 1109 431.64 1112 428.64 GR 438.31 1169 445.14 1176 448.90 NEW SECTIONS DETERM[MED FROM C~ TOPOGRAPHIC MAPPZ#G CHANNEL APPROXIMATED USING $TREN4BED ELEVATIONS Xl 9300 33 2224 2315 135 X3 10 GR 458.00 1000 456.00 1011 454.00 GR 448.00 1045 /,46.00 1063 GR 447.4 2179 446.00 2224 444.00 GR 438.00 2248 436.00 2250 434.00 GR 434.00 229~ 436.00 2303 438.00 6R 444.00 2311 446.00 2315 446.00 GR 448.00 2563 ~48.00 2643 449.50 45 90 1073 443.09 1142 427.43 1274 40 100 1028 442.77 1112 446.90 6~8 585 2207 2345 434.85 · 2393 445.31 500 500 1100 ~.63 1154 423.63 1263 335 330 1077 444.70 1138 434.01 1226 FROM FIS PROFILE 140 150 1022 452.00 1224 2231 442.00 2253 427.8 1081 1158 1048 1167. 2250 2347 2413 1117 1177 1083 1163 10~0 1473 2236 2261 23O7 246~ 443.04 429.27 429.08 446.18 438.37 445.50 439.75 432.72 443.03 434.22 450.00 ~6.00 ~0.00 427.8 448.00 10(78 1186 1063 1125 1193 1099 1165 1039 Z039 2242 ~.78 2310 2481 LK~)EC99 12:35:25 PAGE Xl X3 GR GR GR GR GR GR GR GR GR 10270 10 4~6.00 456.00 452.00 444.00 4~8.00 440.00 427.7 442.00 42 1000 103~ 1079 1332 1897 19~9 2OOO 2O22 25O5 1931 448°00 458.00 450.00 444.00 448.00 438.00 434. O0 444.00 448.00 2055 1015 1040 1085 1454 1925 2008 2O33 :~626 55O 450.00 458.00 436.00 436.00 1040 1021 1058 1091 1931 2011 2055 97O 452.{)0 456.00 ~.00 ~.00 444.00 4~ 4~.00 447.0{) 1025 1065 1098 1676 1938 1959 2015 Z~19 454.00 454.00 4~,4.00 ~7 44~.00 4:*7.7 4/,0.00 ~.0{) 10~9 107~ 1305 18~8 19~3 1968 :'019 :*45:* Xl 11620 X3 10 GR 4~0.00 GR 440.00 GR ~ 444,00 GR 448. O0 6R 44:*.00 GR 4:*7.6 GR 440.00 GR /d~8. O0 100{) 1140 1~9 2631 2725 2749 2782 2887 27O8 4~.00 442.00 444.0{) 448.9 440.00 4;~?.6 ~.00 448.00 2826 1005 1254 1952 273O 2771 2787 1160 437.90 438.00 43~o00 1009 1633 1~80 27O8 2733 2775 27~4 3335 1350 437.90 11~9 1703 2716 :*777 ?.8O8 1131 7...365 ~8:.6 PAGE T1 T~ T~ T3 EXISTING DENTON CREEK FLOODPLAIN CONDITIONS 2-YR ULT[HATE DISCHARGE ELH FORK #ORNAL MATER LEVEL STARTING CONDITION DENTON CREEK - LUNA ROAD BRIDGE J1 [CHECK [I~Z N[NV ID[R STRT HETR[C HV[NS J2 NPROF [PLOT PRFVS XSECV XSECH FN ALLDC 15 -1 ~SEL 431.0 CHN[H FO ITRACE 29DEC9~ 12:35:25 PAGE HEC-2 UATER SURFACE PROFILES Version 4,6.2; Hay 1~1 THIS RUN EXECUTED 290EC~9 12:35:25 NOTE- ASTERISK (*) AT LEFT OF CROSS-SECTION NUHBER %NDICATES MESSAGE IN SUMMARY OF ERRORS LIST DENTON CREEK - LUNA ROAD ~Y PRINTOUT TABLE 150 ~,..SECNO XLCH ;,,ELTRD ELLC ELNIN .... G 110.000 .00 .00 .00 419.40 2000.00 110.000 .00 .00 .00 419.40 5000.00 680.000 570.00 .00 .00 424.20 2000.00 * (=~0.000 570.00 .00 .00 424.20 5000.00 1330.000 650.00 .00 .00 425.80 2000.00 1330.000 650.00 .00 .00 425.80 5000.00 * 2360.000 1030.00 .00 .00 426.80 2000.00 * 2360.000 1030.00 .00 .00 426.80 5000.00 2370.000 10.00 .00 .00 426.80 2000.00 2370.000 10.00 .00 ,IX) 426.80 5000.00 * 2610,000 240.00 .00 .00 427.00 2000.00 * 7610.000 240.00 .00 .00 427.00 5000.00 * 3140.000 530.00 .00 .00 427.50 2000.00 3140.000 530.00 .00 .00 427.50 5000.00 3420.000 280.00 .00 .00 427.70 2000.00 * 3420.000 280.00 .00 .00 427.70 5000.00 * 3890.000 470.00 .00 .00 428.20 2000.00 * 38~0.000 470.00 .00 .00 428.20 5000.00 * 4420.000 530.00 .00 .00 428.30 2000.00 * 4420.000 530.00 .00 .00 428.30 5000.00 4430.000 10.00 .00 .00 428.30 2000.00 4430.000 10.00 .00 .00 428.30 5000.00 .CI~SEL ~/CRIWS EG 431.00 .00 431.85 432.46 432.46 435.82 433.44 .00 43~.21 438.51 .00 439.64 435.70 .00 436.27 441.05 .00 441.87 437.38 .00 437.60 443.07 .00 443.43 437.39 .00 437.61 437.63 .00 437.71 443.42 .00 443.57 437.75 .00 437.96 443.64 .00 443.70 437.98 .00 438.16 443.61 .00 443.89 438.26 .00 438.75 439.24 .00 439.51 444.90 .00 444.94 439.25 .00 439.52 444.90 .00 444.94 lO*KS 43.49 146.55 39.14 25.55 32.81 7.48 8.35 7.40 8.31 2.41 2.~ 7.~ 2.97 6.24 9.?0 21.51 21.72 9.9/, 1.88 9.88 1.85 VCH AREA .01K 7.42 269.62 303.27 14.71 99.95 413.02 7.05 ?.83.74 319.69 8.53 586.01 845.31 6.02 331.99 395.64 7.29 686.16 872.93 3.72 537.81 731.48 4.88 1044.13 1729.97 3.71 539.70 735.03 4.87 1046.36 1734.16 2.32 863.72 1287.00 3.15 1801.26 2973.89 3.72 537.26 723.93 2.58 3959.20 2901.80 3.42 58~.33 800.57 4.21 119~.(~7 1603.39 5.62 356.01 431.23 6.60 757.67 1072.84 4.19 47~.86 63~.26 2.28 5122.72 364,9.36 4.18 477.90 636.14 2.26 5159.04 3677.35 290EC99 SECNO 4780.000 4780.000 5610.000 5610.000 5970.000 5970.000 6430.000 6430.000 6945.000 6945.000 7515.000 7515.000 76O5.000 7605.000 7705.000 7705.000 8290.000 8290.000 8790.000 8790.000 9120.000 9120.000 9300.000 9300.000 10270.000 10270.000 11620.000 1162.0.000 12:35:25 XLCH 350. O0 350.00 830.00 830.00 360.00 36O.00 460.00 460.00 515.00 515.00 570.00 570.00 90.00 100.00 100.00 585.00 585.00 500.00 500.00 330.00 330.00 150.00 150.00 970.00 970.00 1350.00 1350.00 ELTRD .00 .00 .00 .00 .00 .00 ,00 .00 .00 .00 .00 .00 .00 .00 .00 ,00 ,00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ELLC .00 ELMIN 428.20 .00 428.20 .00 426.79 .00 426.79 .00 426.47 .00 426.47 .00 425.67 .00 425.67 .00 426.60 .00 426.60 .00 427.03 .00 427.03 .00 427.43 .00 427.43 .00 426.56 .00 426.56 .00 429.16 .00 429.16 .00 425.63 .00 425.63 .00 428.64 .00 428.64 .00 427.80 .00 427.80 .00 427.70 .00 427.70 .00 427.4~3 .00 427.4~) Q C~SEL CRI~S 2000.00 439.61 .00 5000.00 444.81 .00 2000.00 440.24 .00 5000.00 445.44 .00 2000.00 440.43 .00 5000.00 445.62 .00 2000.00 440.70 .00 5000.00 445.92 .00 2000.00 440.94 .00 5000.00 446.15 ,00 2000.00 441.26 .00 5000.00 446.69~.~ .... .00 2000.00 441.27 .00 5000.00 446.72 .00 2000.00 441.20 .00 5000.00 446.58 .00 2000.00 441.47 .00 5000.00 447.07 .00 2000.00 441.72 .00 5000.00 447.31 .00 2000.00 441.85 .00 5000.00 447.45 .00 2000.00 441.92 .00 5000.00 447.73 .00 2000.00 442.28 .00 5000.00 447.84 .00 2000.00 442.72 .00 5000.00 448.00 437.55 EG 439.84 445.13 440.38 445.69 440.59 445.90 440.84 446.15 441.17 446.57 441.30 446.81 441.31 446.82 441.36 446.92 441.63 447.27 441.85 447.53 447.71 442.~ 447.77 442.38 447.88 446.34 10'K$ 8.14 10.04 5.15 4.76 6.09 6.37 4.81 4.71 7.20 11.57 .95 1.71 .92 1.40 4.14 5.95 4.89 5.60 4.12 4.67 4.22 1.31 2.68 1.48 5.10 9.53 VCH 3.88 3.02 4.12 3.24 4.28 3.02 3.97 3.83 5.25 1.67 2.70 1.61 2.53 3.23 4.81 3.13 3.74 3.80 3.~ 4.22 3.03 2.14 2.57 2.14 3.32 PAGE 9 AREA 515.69 1261.90 1369.32 617.09 1245.32 662.56 1454.10 522.47 1019.95 1197.36 1907.03 17.39.38 2123.65 619.95 1164.73 638.57 1645.16 695.55 1489.64 649.50 1310.02 660.45 4544.35 778.76 4172.44 1069.36 .01K 700.83 1577.89 881.52 2292.32 810.52 1980.32 911.97 2302.96 745.42 142'{).16 2054.37 3822.26~-- 2083.59 4220.38 2050.3/, 2113.38 2314.82 973.7'8 2101.01 1222.16 4111.63 1619.46 ,) 290EC99 12:35:25 DENTON CREEK - LUNA ROAD StJN~RY PRINTOUT TABLE 150 SECNO g CI~EL 110.000 2000.00 431.00 110.000 5000.00 432.46 680.000 2000.00 433.44 680. 000 5000. O0 438.51 1330. 000 2000. O0 435.70 1330.000 5000.00 /o41.05 2360.000 2000.00 437.~ 23d~3.000 5{){)0.00 443.07 2370.000 2oo0.00 437.39 2370.000 5000.00 443.08 2610. 000 2000. O0 437.63 2610.000 5000.00 443.42 3140. 000 2000. O0 437.75 3140.000 5000.00 443.64 3420. 000 2000. O0 437.98 3420.000 5000.00 443.61 3890. 000 2000. O0 4~. 26 3890.000 5000.00 443.99 4420.000 2000. O0 439.24 4420.000 5000.00 ~.90 4430. 000 2000. O0 439.25 4~30. 000 5000.00 444.90 4780.000 2000. O0 439.61 4~.000 5000.00 444.81 5610.000 2000.00 440.24 5610.000 5000.00 445.44 5970.000 2000.00 440.43 5970.000 5000.00 445.62 6430.000 2000. O0 440.70 6430.000 5000.00 445.92 6945.000 2000.00 440.94 69~5.000 5000. O0 446.15 D l FUSP .00 1.46 .00 5.07 .00 5.34 .00 5.68 .00 5.68 .00 5.79 .00 5.89 .00 5.64 .00 5.73 .00 5.66 .00 5.65 .00 5.20 .00 5.20 .00 5.19 .00 5.?..3 .00 5.21 DIF~SX 2.~4 6.05 1.68 2.02 .01 .01 .35 .37 .99 .92 .01 .00 .36 .63 .63 .19 .18 .27 .31 DI FIG,S .00 1.46 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 TOI~ID 45.49 51.07 49.41 69.91 53.05 101.42 71.73 140.77 71.83 141.44 102.52 374.80 2325.12 176.40 55.78 65.17 65.23 2835.38 68.41 654.86 223.13 85.16 236.81 85.63 248.00 61.32 230.00 XLCH .00 .00 570.00 570.00 650.00 650.00 1030.00 1030.00 10.00 10.00 240.00 240. O0 530.00 530.00 280. O0 470.00 470.00 530.00 10.00 10.00 350.00 350.00 830.00 515.00 515.00 PAGE 10 290EC~ 12:35: 25 SECNO * 7515.000 2000.00 441.26 * 7515.000 5000.00 446.69 7605.000 2000. O0 441.27 7605.000 5000. O0 446.72 * 7705.000 2000. O0 441.20 * 7705.000 5000.00 446.58 8290.000 2000.00 441.47 8290.000 5000. O0 447.07 87~0.000 2000. O0 44 1.72 8790.000 5000.00 ~.7.31 9120.000 2000.00 441.85 9120.000 , 5000.00 447.45 9300.000 2000.00 ~.1.92 * 9300.000 5000.00 447.73 10270.000 2000. O0 442.28 10270.000 5000. O0 447.8~ 11620.000 2000.00 442.72 * 11620.000 5000.00 448.00 G .00 5.~. .00 5.46 .00 5.38 .00 5.60 .00 5.59 .00 5.60 .00 5.82 .00 5.56 .00 5.28 CUSEL D I FUSP D l F~X D I FKUS TOf~ID XLCH .32 .00 110.81 570.00 · 54 .00 222.51 570.00 .01 .00 119.3~ 90.00 .03 .00 264.26 90.00 -.07 .00 59.58 100.00 - .14 .00 144.43 100.00 .27 .00 79.53 585.00 .~8 .00 433.00 585.00 .25 .00 86.60 500.00 .24 .00 263.00 500.00 .12 .00 71.42. 330.00 .13 .00 206.66 330.00 .07 .00 73.58 150.00 .29 .00 1431.97 150.00 .36 .00 81.16 970.00 .11 .00 1498.75 970.00 .4~, .00 66.29 1350.00 .16 .00 118.00 1350.00 PAGE 11 2~0EC99 12:35=25 SUI414ARY OF ERRORS AND SPECIAL NOTES CAUTION SECNO= 110.000 PROFILE= WARNING SECNO= 680.000 PROFILE= WARNING SECNO= Z360.000 PROFILE= WARNING SECNO= 2360.000 PROFILE= WARNING SECNO= 2610.000 PROFILE= WARNING SECNO= 2610.000 PROFILE= WARNING SECNO=- 3140o000 PROFILE= WARNING SECNO= 3~20.000 PROFILE= WARNING SECNO= 3890.000 PROFILE= WARNING SECNO= 3890.000 PROFILE= WARNING SECNO= /~20.000 PROFILE= WARNING SECNO= ~20.000 PROFILE= WARNING SECNO=- 4780.000 PROFILE= WARNING SECNO= 5610.000 PROFILE= WARNING SECNO= 6945.000 PROFILE= WARNING SECNO=- 7515.000 PROFILE= WARNZNG SECHO= 7515.000 PROFILE= WARNING SECNC)= 7705.000 PROFILE= WARNING SECN~ 7705.000 PROFILE= WANNZNG SECNO= 9300.000 PROFILE= CAUTZON SECNC)= 11620.000 PROFILE= CAUTZON SECNO= 11620.000 PROFILE= CRITICAL DEPTH ASStJNED CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE 1 CONVEYANCE CHANGE OUTSZDE ACCEPTABLE RANGE 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE 2 CONVEYANCE CHANGE OUTSZDE ACCEPTABLE RANGE 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE 2 CC~IVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CONVEYANCE CHANGE OUTSZDE ACCEPTABLE RANGE CONVEYABCE CHANGE OUTSIDE ACCEPTABLE RANGE 1 CONVEYANCE CHANGE OUTSZDE ACCEPTABLE RANGE 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE 2 WSEL ASSUI4ED BASED ON#iN DIFF 2 20 TRIALS ATTEIqPTED TO BALANCE WSEL PAGE 12