3. EXTERNAL CHANNEL k e e r C y a 0 9 w y e s w t a - - PowerPoint PPT Presentation

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3. EXTERNAL CHANNEL k e e r C y a 0 9 w y e s w t a - - PowerPoint PPT Presentation

3. EXTERNAL CHANNEL k e e r C y a 0 9 w y e s w t a H i G S l U E l Robinson's Y A Landing W D R W a l A W E M O H i l l G r d h a n S k High e a Blakely Meadows r k n s Bend e d e S c r E LL


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SLIDE 1 ELLI S CR EE K T E RRI T O R Y B L V D . H O M E W A R D W A Y H O M E W A R D W A Y B LVD.

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Bend Blakely Pointe Lake Creek Stone Forest Preston Watermill Place Greyston Glen River Meadow

West Park

Cambridge Ridge

Crescent Ridge

Autumn Meadows High

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New Territory

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Park Cambridge Park Cambridge

TRACT OUT

Sports Complex

M.S. Sartartia Crest Laurel Pointe Brandon's

Lakewind Landing Robinson's

New Territory

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100 SCALE: 1"=200'

200 200 400

YOU ARE HERE

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  • 3. EXTERNAL CHANNEL
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SLIDE 2
  • 3. EXTERNAL CHANNEL

CONSTRUCTED BOULDER RIFFLE J-HOOK WOOD TOE

LEGEND EXISTING CHANNEL CENTERLINE PROPOSED CHANNEL CENTERLINE PROPOSED CHANNEL BANKFULL PROPOSED CHANNEL INNER BERM GEOMORPHIC FLOODPLAIN 100-YR FLOODPLAIN LIMITS OF DISTURBANCE EXISTING CONTOURS MAJOR EXISTING CONTOURS MINOR PROPOSED CONTOURS MAJOR PROPOSED CONTOURS MINOR

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SCALE: 1"=100' 100 100

200

BRAZ

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DROP STRUCTURE

EXISTING GABION

WHY:

damage to the adjacent levee Erosion of the channel may cause

+ 1 + 2 +0 3 + 4 + 5 + 6 + 7 + 8 + 9 + 1 + 1 1 + 1 2 + 1 3 +0 1 4 + 1 5 + 1 6 + 1 7 + 1 7 + 6 8

DROP STRUCTURE

EXISTING GABION

DROP STRUCTURE

EXISTING GABION

STRUCTURE PILE DROP EXISTING SHEET STRUCTURE PILE DROP EXISTING SHEET DROP STRUCTURE

EXISTING GABION

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DOWNSTREAM SHEET PILE STRUCTURE

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SLIDE 3
  • 3. EXTERNAL CHANNEL

HOW:

CONSTRUCTED ROCK J-HOOK CONSTRUCTED BOULDER RIFFLE

velocities and eliminate erosive forces

  • f large flood control channel to reduce

Use "nested" natural channel design inside