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Last modified
1/26/2010 10:13:22 AM
Creation date
10/25/2007 5:33:15 PM
Metadata
Fields
Template:
Floodplain Documents
County
Boulder
Community
Boulder
Stream Name
Fourmile Canyon
Basin
South Platte
Title
Fourmile Canyon Creek - Major Drainageway Planning - Phase A Report - Alternatives Analysis
Date
6/1/2000
Prepared For
UDFCD, Boulder
Prepared By
Love & Associates
Floodplain - Doc Type
Flood Mitigation/Flood Warning/Watershed Restoration
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<br />539 <br /> <br />385 <br />514 <br />557 <br /> <br />5525 <br /> <br />5532 <br />5530.9 <br />5529.9 <br /> <br />536 <br />575 <br /> <br />264 <br />489 <br />547 <br /> <br />5524 <br />5528.5 <br /> <br />77 <br /> <br />5531 <br />5531 <br />5529.7 <br /> <br />530 <br />560 <br />72 <br /> <br />225 <br />475 <br />541 <br /> <br />5523 <br />5528 <br /> <br />70 <br /> <br />5532 <br />5531.5 <br />5528.9 <br /> <br />518 <br />555 <br /> <br />547 <br />385 <br />90 <br />450 <br />536 <br /> <br />5523 <br />5527 <br /> <br />489 <br /> <br />5534 <br />5531.5 <br />5526.9 <br /> <br />515 <br />553 <br /> <br />16 <br /> <br />84 <br />400 <br />526 <br />569 <br /> <br />5526 <br />5525 <br /> <br />Xl 464. 6 <br />X3 10 <br />GR 5536 <br />GR 5532 <br />GR5523 . 3 <br />GR 5530 <br /> <br />GR <br />GR <br /> <br />11/30/99 Remove Pedestrian Cro$sing <br />Section 440.2 Upstream Face of Pedestrian Crossing <br />Artificial Low Chord to Model 100% Blockage <br />Actual Low Chord BT Cards 5518.3@lS96 5517.6@1604 <br />-6 1582 5521 5521 1596 5519.1 5514.8 <br />1604 5518.4 5517.6 1604 5518.4 5514.8 <br />17 1582 1631 20 20 25 <br /> <br />I <br /> <br />I <br /> <br />385 <br />514 <br />557 <br /> <br />5532.1 <br />5531 <br />5530 <br /> <br />264 <br />489 <br />547 <br /> <br />5531.1 <br />5531.1 <br />5529.8 <br /> <br />225 <br />475 <br />541 <br /> <br />5532.1 <br />5531. 6 <br />5529 <br /> <br />547 <br />365 <br />90 <br />450 <br />536 <br /> <br />469 <br /> <br />5534.1 <br />5531. 6 <br />5527 <br /> <br />16 <br /> <br />64 <br />400 <br />526 <br />569 <br /> <br />X1464.61 <br />X3 10 <br />GR5536.1 <br />GR5532.1 <br />GR5525.3 <br />GR5530.1 <br /> <br />55la.3 <br />5519 <br /> <br />5514. 6 <br />5519 <br />1544 <br />1604 <br />1675 <br /> <br />5519.1 <br />5519 <br /> <br />5519.1 <br />5519 <br />5524 <br />5514.6 <br />5521. 3 <br /> <br />1596 <br />1625 <br /> <br />1596 <br />1625 <br />1535 <br />1596 <br />1640 <br /> <br />5514.8 <br />5514. 6 <br />5525 <br />5514.8 <br />5521. 4 <br /> <br />5519.1 <br />5516.4 <br />1465 <br />1582 <br />1631 <br /> <br />1596 <br />1604 <br />5526 <br />5521 <br />5521 <br /> <br />5521 <br />5514.8 <br />1445 <br />1576 <br />1629 <br />1780 <br /> <br />5521 <br />5518.4 <br />5526 <br />5522 <br />5520 <br />5523.8 <br /> <br />1582 <br />1604 <br />1260 <br />1552 <br />1625 <br />1730 <br /> <br />440.2 <br />10 <br />-6 <br /> <br />5528 <br />5523 <br />5519 <br />5522 <br /> <br />I <br /> <br />250 <br />432 <br />531 <br />579 <br /> <br />5534 <br />5535 <br />5535 <br />5533 <br /> <br />225 <br />391 <br />466 <br />575 <br /> <br />104 <br />5534 <br />5534 <br />5536 <br />5532.6 <br /> <br />150 <br />200 <br />370 <br />472 <br />565 <br /> <br />169 <br />5534 <br />5534 <br />5536.5 <br />5532.5 <br /> <br />565 <br />165 <br />310 <br />456 <br />556 <br /> <br />531 <br />5536 <br />5534 <br />5536 <br />5532 <br /> <br />21 <br />170 <br />275 <br />441.5 <br />547 <br />585 <br /> <br />X1464.7 <br />GR5536.2 <br />GR 5534 <br />GR 5535 <br />GR5527.5 <br />GR5535.4 <br /> <br />1544 <br />1604 <br />1675 <br /> <br />5524 <br />5514.8 <br />5521. 3 <br /> <br />1535 <br />1596 <br />1640 <br /> <br />Remove Ineffective Flow Area Encroachments <br />Just Upstream of Pedestrian Crossing <br />1562 1631 22 27 2 <br />1596 5519.1 1604 5518. <br /> <br />5525 <br />5514.6 <br />5521. 4 <br /> <br />1465 <br />1582 <br />1631 <br /> <br />5526 <br />5521 <br />5521 <br /> <br />1445 <br />1576 <br />1629 <br />1780 <br /> <br />5526 <br />5522 <br />5520 <br />5523.8 <br /> <br />440.21 <br />17 <br /> <br />1260 <br />1552 <br />1625 <br />1730 <br /> <br />. 11/30/99 <br />,.. Section <br />X1440.21 <br />. 10 <br />X3 10 <br />GR 5528 <br />GR 5523 <br />GR 5519 <br />GR 5522 <br /> <br />I <br /> <br />I <br /> <br />250 <br />432 <br />531 <br />579 <br /> <br />260 <br />413 <br />545 <br />587 <br /> <br />5534 <br />5535 <br />5535 <br />5533 <br /> <br />5536 <br />5538 <br />5530.6 <br />5536 <br /> <br />225 <br />391 <br />486 <br />575 <br /> <br />235 <br />380 <br />535 <br />582 <br /> <br />4 <br />5534.1 <br />5534.1 <br />5536.1 <br />5532.7 <br /> <br />76 <br />5536 <br />5536 <br />5535 <br />5535.4 <br /> <br />4 <br />200 <br />370 <br />472 <br />565 <br /> <br />60 <br />215 <br />355 <br />530 <br />572 <br /> <br />4 <br />5534.1 <br />5534.1 <br />5536.6 <br />5532.6 <br /> <br />Il <br />5538 <br />5536 <br />5537 <br />5535.2 <br /> <br />565 <br />165 <br />310 <br />458 <br />556 <br /> <br />572 <br />70 <br />335 <br />516 <br />567 <br />594 <br /> <br />531 <br />5536.1 <br />5534.1 <br />5536.1 <br />5532.1 <br /> <br />518 <br />5538 <br />5536 <br />5538 <br />5535 <br />5538.3 <br /> <br />21 <br />170 <br />275 <br />441.5 <br />547 <br />585 <br /> <br />22 <br />60 <br />280 <br />423 <br />554 <br />590 <br /> <br />XIH4.71 <br />GR5536.3 <br />GR5534.1 <br />GR5535.1 <br />GR5527.6 <br />GR5535.5 <br /> <br />464.8 <br />5540 <br />5536 <br />5538 <br />5534 <br />5537 <br /> <br />Xl <br />GR <br />GR <br />GR <br />GR <br />GR <br /> <br />1445 <br />1585 <br />1625 <br /> <br />5527 <br />5521 <br />5517 <br /> <br />1410 <br />1576 <br />1604 <br />1730 <br /> <br />33 <br />5526 <br />5523 <br />5516 <br />5524.8 <br /> <br />6500 <br /> <br />Pedestrian crc.sing <br />1637 42 38 <br />1055 5530 1215 <br />1537 5525 1575 <br />1595 5515 1603 <br />1645 5524 1680 <br /> <br />3590 <br /> <br />2686 <br /> <br />794 <br /> <br />440.3 Upstream of <br />19 1575 <br />960 5532 <br />1490 5526 <br />1586 5515 <br />1637 5522.5 <br /> <br />316 <br /> <br />58 <br /> <br />* Section <br />Xl 440.3 <br />GR 5534 <br />GR 5527 <br />GR 5519 <br />GR 5522 <br /> <br />I <br /> <br />I <br /> <br />Qr <br /> <br />260 <br />413 <br />545 <br />587 <br /> <br />5536.1 <br />5538.1 <br />5530.7 <br />5536.1 <br /> <br />235 <br />380 <br />535 <br />562 <br /> <br />4 <br />5536.1 <br />5536.1 <br />5535.1 <br />5535.5 <br /> <br />4 <br />215 <br />355 <br />530 <br />572 <br /> <br />5538 <br />5536 <br />5537 <br />5535 <br /> <br />572 <br />70 <br />335 <br />518 <br />567 <br />594 <br /> <br />518 <br />5538.1 <br />5536.1 <br />5538.1 <br />5535.1 <br />55n.4 <br /> <br />22 <br />60 <br />280 <br />423 <br />554 <br />590 <br /> <br />X1464.81 <br />GR5540.1 <br />GR5536.1 <br />GR5538.1 <br />GR5534.1 <br />GR5537.1 <br /> <br />1410 <br />1116 <br />1830 <br /> <br />5530 <br />5515.8 <br />5525.5 <br /> <br />1300 <br />1710 <br />1758 <br /> <br />33 <br /> <br />5532 <br />5515.8 <br />5526 <br /> <br />BOl< Culvert <br />30 <br />1730 <br />1160 <br />1110 <br />1730 <br /> <br />441 Ju.t Down.tream of Broadway <br />15 1710 1730 40 <br /> <br />5534 <br />5527.3 <br />5526.9 <br /> <br />1090 <br />1620 <br />1730 <br /> <br />5536 <br />5528 <br />5516.8 <br /> <br />1000 <br />1605 <br />1716 <br /> <br />* Section <br />Xl 441 <br />X3 10 <br />GR 5538 <br />GR 5529 <br />GR5516.8 <br /> <br />I <br /> <br />340 <br />488 <br />548.5 <br />575 <br />610 <br /> <br />5542 <br />5542 <br />5541 <br />5536 <br />5543.1 <br /> <br />310 <br />484 <br />545 <br />566 <br />606 <br /> <br />149 <br />5542 <br />5541 <br />5542 <br />5534.8 <br />5543 <br /> <br />130 <br />200 <br />474 <br />527 <br />558 <br />598 <br /> <br />148 <br />5540 <br />5540.2 <br />5543 <br />5538 <br />5540 <br /> <br />588 <br />150 <br />460 <br />516 <br />555 <br />588 <br /> <br />527 <br />5542 <br />5541 <br />5543.2 <br />5539 <br />5539.5 <br /> <br />25 <br />o <br />425 <br />494 <br />553 <br />561 <br /> <br />466 <br />5544 <br />5542 <br />5543 <br />5540 <br />5539 <br /> <br />Xl <br />GR <br />GR <br />GR <br />GR <br />GR <br /> <br />5524 <br /> <br />1410 <br />1116 <br />1830 <br /> <br />5529 <br /> <br />5530 <br />5515.8 <br />5525.6 <br /> <br />1716 <br /> <br />1300 <br />1710 <br />1758 <br /> <br />Face of Broadway BOl< Culvert <br />Adjustment to Low Cord Elevation <br />1730 5 5 5 <br />1730 <br />5529.9 <br />5526.9 <br />1160 <br />1710 <br />1730 <br /> <br />5524.6 <br />5526.9 <br />5532 <br />5515.8 <br />5526 <br /> <br />1110 <br />1730 <br />5534 <br />5527.3 <br />5526.9 <br /> <br />5527.3 <br />5524.6 <br />1090 <br />1620 <br />1730 <br /> <br />013 <br /> <br />. Section 441.1 Downstream <br />. A.sumed Blockage 0% No <br />Xl 441.1 15 1710 <br />;<3 10 <br />Br -5 <br />Br <br />GR 5538 <br />GR 5529 <br />GR5516.8 <br /> <br />5527.3 <br />5529.5 <br />5536 <br />5528 <br />5516.8 <br /> <br />013 <br /> <br />1710 <br />1730 <br />1000 <br />1605 <br />1116 <br /> <br />013 <br /> <br />NC <br /> <br />I <br /> <br />I <br /> <br />4 <br />5542.1 <br />5541.1 <br />5542.1 <br />5537 <br />5543.1 <br /> <br />4 <br />200 <br />474 <br />527 <br />558 <br />598 <br /> <br />588 <br />150 <br />460 <br />516 <br />555 <br />588 <br /> <br />527 <br />5542.1 <br />5541.1 <br />5543.3 <br />5539.1 <br />5539.6 <br /> <br />25 <br />o <br />425 <br />494 <br />553 <br />581 <br /> <br />Xl 466. <br />GR5544. <br />GR554 2. <br />GR5543. <br />GR5540. <br />GR5539. <br /> <br />340 <br />488 <br />548.5 <br />575 <br />610 <br /> <br />5542.1 <br />5542.1 <br />5541.1 <br />5538.1 <br />5543.2 <br /> <br />310 <br />484 <br />545 <br />566 <br />608 <br /> <br />5540 <br />5540 <br />5543 <br />5538 <br />5540 <br /> <br />06 <br /> <br />04 <br /> <br />06 <br /> <br />NC <br /> <br />I <br /> <br />340 <br />499 <br />568 <br />611 <br /> <br />5546 <br />5547.9 <br />5543 <br />5545.8 <br /> <br />280 <br />491 <br />564 <br />595 <br /> <br />154 <br />5544 <br />5547 <br />5542 <br />5546 <br /> <br />140 <br />115 <br />464 <br />561 <br />590 <br /> <br />153 <br />5544 <br />5546 <br />5539 <br />5545 <br /> <br />611 <br />100 <br />448 <br />546 <br />587 <br />626 <br /> <br />546 <br />5546 <br />5545.6 <br />5544 <br />5544 <br />5546 <br /> <br />22 <br />95 <br />404 <br />534 <br />573 <br />621 <br /> <br />Xl 467 <br />GR 5548 <br />GR 5546 <br />GR 5547 <br />GR5543.6 <br />GR 5546 <br /> <br />5525 <br /> <br />5531 <br /> <br />1116 <br /> <br />Box Culvert <br />Low Cord Elevation <br />67 59 <br />1730 <br />5531.6 <br />5527.1 <br />1597 <br />1116 <br /> <br />5525.0 <br />5527.1 <br />5528 <br />5517 . 2 <br /> <br />451 Up.tream Face of Broadway <br />Blockage 0% No Adjustment to <br />11 1710 1730 67 <br /> <br />1110 <br />1730 <br />5529 <br />5517.2 <br /> <br />5527.5 <br />5525.0 <br />1550 <br />1116 <br /> <br />5527.5 <br />5531. 6 <br />5530 <br />5516.2 <br /> <br />1110 <br />1730 <br />1420 <br />1110 <br />1780 <br /> <br />* Section <br />... As sumed <br />Xl 451 <br />X3 10 <br />BT -5 <br />BT <br />GR 5532 <br />GR5516.2 <br />GR 5526 <br /> <br />I <br /> <br />340 <br />499 <br />568 <br />611 <br /> <br />5546. <br />554 <br />5543. <br />5545. <br /> <br />280 <br />491 <br />564 <br />595 <br /> <br />5544 <br />5547 <br />5542 <br />5546 <br /> <br />4 <br />115 <br />464 <br />561 <br />590 <br /> <br />5544 <br />5546 <br />5541 <br />5545 <br /> <br />611 <br />100 <br />448 <br />546 <br />587 <br />626 <br /> <br />546 <br />5546.1 <br />5545.7 <br />5544.1 <br />5544 .1 <br />5546.1 <br /> <br />22 <br />95 <br />404 <br />534 <br />573 <br />621 <br /> <br />Xl 467 <br />GR5548 <br />GR5546 <br />GR5547 <br />GR5543 <br />GR5546 <br /> <br />1110 <br />1730 <br /> <br />5527 <br />5527 <br /> <br />1653 <br />1730 <br /> <br />BOl< Culvert <br />5 <br />1730 <br />1597 5528 <br />1116 5517.2 <br /> <br />Broadway <br />5 <br /> <br />Just Upstream of <br />1710 1730 <br /> <br />1 <br />11 <br /> <br />451 <br /> <br />'" Section <br />Xl 451.1 <br />X3 10 <br />GR 5532 <br />GR5516.2 <br />GR 5526 <br /> <br />I <br /> <br />395 <br />502 <br />566.5 <br />640 <br /> <br />5550 <br />5550.3 <br />5549 <br />5552 <br /> <br />395 <br />474 <br />557 <br />599 <br /> <br />III <br />5550 <br />5550 <br />5549 <br />5548 <br /> <br />150 <br />300 <br />466 <br />547 <br />588 <br /> <br />169 <br />5550 <br />5549.8 <br />5548.6 <br />5547 <br /> <br />646 <br />255 <br />460 <br />536 <br />579.5 <br />656 <br /> <br />566.5 <br />5550 <br />5550 <br />5549 <br />5543.5 <br />5552.5 <br /> <br />22 <br />150 <br />432 <br />523 <br />568 <br />646 <br /> <br />Xl 468 <br />GR 5552 <br />GR5550.5 <br />GR 5550 <br />GR 5548 <br />GR5552.4 <br /> <br />1110 <br />1730 <br /> <br />457 <br />483 <br />498 <br /> <br />5527 <br />5527 <br /> <br />5528 <br />5519 <br />5521 <br /> <br />1653 <br />1730 <br /> <br />416 <br />478 <br />495 <br />540 <br /> <br />80 <br />5529 <br />5519 <br />5519 <br />5527.3 <br /> <br />85 <br />392 <br />475 <br />491 <br />527 <br /> <br />5529 <br />5517.2 <br /> <br />60 <br />5530 <br />5524 <br />5519 <br />5527 <br /> <br />1550 <br />1116 <br /> <br />520 <br />324 <br />467 <br />490 <br />520 <br /> <br />5530 <br />5516.2 <br /> <br />461 <br />5530 <br />5527 <br />5518 <br />5526 <br /> <br />1420 <br />1710 <br />1780 <br /> <br />19 <br />130 <br />461 <br />484 <br />518 <br /> <br />461 <br />5532 <br />5528 <br />5518 <br />5521 <br /> <br />Xl <br />GR <br />GR <br />GR <br />GR <br /> <br />I <br /> <br />395 <br />502 <br />566.5 <br />640 <br /> <br />5550 <br />5550 <br />5549 <br />5552 <br /> <br />395 <br />474 <br />557 <br />599 <br /> <br />5550 <br />5550 <br />5549 <br />5546 <br /> <br />4 <br />300 <br />466 <br />547 <br />588 <br /> <br />4 <br />1 <br />9 <br />9 <br />1 <br /> <br />5550 <br />5549 <br />5548 <br />5547 <br /> <br />646 <br />255 <br />460 <br />536 <br />579.5 <br />656 <br /> <br />055 <br /> <br />5 <br />1 <br />1 <br />1 <br />6 <br />6 <br /> <br />566. <br />5550. <br />5550. <br />5549. <br />5545. <br />5552. <br /> <br />06 <br /> <br />22 <br />150 <br />432 <br />523 <br />568 <br />646 <br /> <br />06 <br /> <br />1 <br />1 <br />6 <br />1 <br />1 <br />5 <br /> <br />Xl 468. <br />GR5552. <br />GR5550. <br />GR5550. <br />GR554 8. <br />GR5552. <br /> <br />NC <br /> <br />457 <br />495 <br /> <br />5528 <br />5519 <br /> <br />416 <br />478 <br />527 <br /> <br />4 <br />5529 <br />5519 <br />5527 <br /> <br />4 <br />392 <br />475 <br />520 <br /> <br />.3 <br /> <br />4 <br />5530 <br />:.524 <br />5526 <br /> <br />520 <br />324 <br />467 <br />518 <br /> <br />461 <br />5530 <br />5527 <br />5521 <br /> <br />14 <br />130 <br />461 <br />498 <br /> <br />461.1 <br />5532 <br />5528 <br />5521 <br /> <br />NC <br /> <br />Xl <br />GR <br />GR <br />GR <br /> <br />I <br /> <br />485 <br />575 <br />611 <br /> <br />5556.5 <br />5553 <br />5557 <br /> <br />365 <br />564 <br />604 <br />685 <br /> <br />216 <br />5556 <br />5555 <br />5556 <br />5558.7 <br /> <br />(2/20/98 <br />214 <br />165 <br />562 <br />597 <br />653 <br /> <br />Up.treM! <br />214 <br />5558 <br />5557 <br />5555 <br />5558.4 <br /> <br />. Section Relocated: Drop Moved <br />Xl 476 19 549 643 <br />GR 5562 0 5560 68 <br />GR5557.8 549 5557 560 <br />GR 5551 578 5548.3 580 <br />GR 5558 631 5558.5 643 <br /> <br />450 <br />507 <br />539 <br /> <br />5530 <br />5529 <br />5525 <br /> <br />400 <br />502 <br />536 <br />575 <br /> <br />55 <br />5531 <br />5529.3 <br />5524 <br />5528.5 <br /> <br />4 <br />5531 <br />5529.3 <br /> <br />55 <br />337 <br />485 <br />530 <br />560 <br /> <br />4 <br />337 <br />485 <br /> <br />55 <br />5530 <br />5529.3 <br />5522 <br />5528 <br /> <br />4 <br />5530 <br />5529.3 <br /> <br />560 <br />292 <br />478 <br />518 <br />555 <br /> <br />560 <br />292 <br />478 <br /> <br />507 <br />5530 <br />5529 <br />5522 <br />5527 <br /> <br />507 <br />5530 <br />5529 <br /> <br />19 <br />195 <br />473 <br />515 <br />553 <br /> <br />19 <br />195 <br />473 <br /> <br />462 <br />5532 <br />5529 <br />5526 <br />5525 <br /> <br />462.1 <br />5532 <br />5529 <br /> <br />Xl <br />GR <br />OR <br />GR <br />GR <br /> <br />Xl <br />GR <br />GR <br /> <br />I <br /> <br />I <br /> <br />B-9 <br /> <br />450 <br />507 <br /> <br />5530 <br />5529 <br /> <br />400 <br />502 <br /> <br />I <br /> <br />I <br />
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