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I I . . I I I I I "" "-' "-' "" u I -' -' ex: :c I "-' c.!l z ex: "" c.!l I I I I co I ..... "" f- D "-' I z ..... U- "-' D z: :::> I I TABLE III-4a GRANGE HALJ,.. CREEK MAJOR DRAINAGEWAY PLANNING STUDY DESIGN RUNOFF SUMMARY PLANNING BASIN GRANGE HALL CREEK, UNDEFINED TRIBUTARY ~XIST. EXISTING DEVELOPMENT-EXISTING FACILITIES FUTURE DEVELOPMENT-EXISTING FACILITIES DESIGN TRIB. DRAIN. PT. LOCATION AREA FACIL. 5 year 10 year 50 year 100 year 5 year 10 yea 50 year 100 year REMARKS STA. Acres) CAP. (c.ts,) Qp Vol. Qp Vol. Qp Vol. Qp Vol. Qp Vol. Qp Vol. Qp Vol. Qp Vol. ~na+6n 1-25 555 550 500 ~6 600 8.6 750 100 800 107 AME A FOR XISTH G COND ~TIONS 294+65 GRANT DRIVE 712 330 650 86 700 99 1000 117 1050 126 ~AM" A' "no fVTCT"I... 280+00 POND AT WASH. ST. 834 950 800 94 950 110 1200 131 1300 141 ~...~ ., FnR fVTCTTI I" 280+00 POND AT WASH ST.{D/S 834 - 480 23 650 25 850 28 1000 29 AME A FOR XISTI G 232+00 TRIB. S CONFL. rutS) 1075 - 550 104 750 124 1050 152 12nn lli~ lAM. A' .nR 232+00 TRIB. S CONFL. (D/S) 2152 - 800 175 1050 214 1450 268 1600 293 850 181i 1 1 ~n ?n l~~n ?A? 17t:n ?nt: 225+25 SPUR EMBANK. (U/S) 2152 900 800 175 1050 214 1450 268 1600 293 850 lAIi 11 ~n ??~ 1~~n ?Q? 17~n ?nt: 225+25 SPUR EMBANK. (D/S) 2152 - 550 16 650 30 700 55 750 liq linn ?1 "'t:n ?Q 7~n "'''' ?t:n Qn 2UffiO R.R. EMBANK. (U/S) 2252 1500 550 180 650 221 700 277 750 303 600 193 700 235 750 294 750 318 213+60 R.R. EMBANK. (D/S) 2252 - 550 7 600 11 700 16 700 19 550 9 650 13 700 18 750 20 191+90 TRIB. N CONFL. (U/S) 2292 - 550 182 600 223 700 280 700 307 550 200 650 242 700 301 750 327 191 +90 TRIB. N CONFL. (D/S) 3003 - 850 225 1050 278 1150 351 1200 385 950 247 1050 301 1150 376 1200 409 162+10 TRIB NE CONFL. (U/S) 3108 - 900 229 1100 285 1200 360 1300 395 1000 252 1100 308 1250 385 1300 420 162+10 TRIB NE CONFL. (D/S) 3894 - 1250 277 1500 347 1800 444 1900 488 1400 302 1650 373 2000 473 2200 516 143+65 COLORADO BLVD. (U/S) 4005 1600 1300 281 1550 354 1900 453 2000 499 1450 308 1700 381 2100 483 2200 528 143+65 COLORADO BLVD. (D/S) 4005 - 1250 11 1450 17 1550 33 1700 40 1350 13 1500 21 1600 38 1800 42 104+50 TRIB. SE CONFL. (U/S) 4362 - 1300 299 1550 377 1700 486 1800 535 1400 330 1550 409 1700 520 1900 569 L04+50 TRIB. SE CONFL. (D/S) 4503 - 1350 306 1600 386 1800 498 1900 549 1450 339 1600 421 1800 536 1950 586 79+70 RIVERDALE ROAD 4558 610 1350 309 1600 390 1850 503 1900 555 1450 343 1600 425 1800 542 1956 592 0 PLATTE RIVER CONFL 5049 - 1450 331 1750 421 2000 545 2150 602 1500 368 1800 459 2000 587 2200 643 - BASIN G-17 @ UPRR(US) 215 - 70 10 100 13 140 18 160 21 200 14 260 17 320 23 340 25 - BASIN G-17 @ UPRR(DS) 215 - 70 1 90 2 120 3 140 3 140 3 160 4 180 6 180 7 - RIVERDALE RD @ 104th 352 - 100 17 140 23 180 32 200 36 220 25 260 31 320 40 340 44 - PLATTE RIVER CONFL. 455 - 100 22 140 30 180 40 200 46 220 29 260 38 320 49 360 54 HYDRO-TRIAn. I Tn