HomeMy WebLinkAbout20140514 Ver 1_More Info Received_20140707 (3)CLEAN AND M
CUL
NOTES:
1) DATA BASED ON TOTAL STATION SURVEYS APRIL 28, 2010 AND MAY 26, 2010.
2) DRAWING FOR CONCEPTUAL PURPOSES ONLY; PRECISE CHANNEL AND STRUCTURE LOCATIONS
TO BE DETERMINED DURING CONSTRUCTION BY FIELD ENGINEER
3) REPLACE (2) 30" CMP WITH SAME; SET UPPER INVERT AT EXISTING ELEVATION; INSTALL AT
4% SLOPE UNDER ROAD.
4) REPLACE (2) 60" CMP WITH SINGLE BOTTOMLESS ARCH CULVERT; MAINTAIN DESIGN CHANNEL
CROSS- SECTION THROUGH CULVERT.
5) CLEAN AND MAINTAIN EXISTING (2) 48" CMP.
RIFFLE
BANKFULL BENCH
O LOG VANE
BOULDER CROSS VANE
DOUBLE -DROP
BOULDER CROSS VANE
RELOCATE EXISTING FOOTS DC,E
RELOCATE EXISTING TRA I
ELEVATED SEWER LINE
REMOVE RIPRAP FILL
REPLACE CULVERTS
(SEE NOTES)
REMOVE FENCE
EXISTING THALWEG
DESIGN THALWEG
EXISTING TOP OF BANK
DESIGN TOP OF BANK
o EXISTING TREE
0 EXISTING CULVERT
EXTENT OF BACKWATER FROM
HIWASSEE RIVER
(MAY 26, 2010)
SCALE 1" = 80'
40 0 40 80
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DATE
09/23/2010
PROJECT NO.
FILENAME MURPHY.DWG
SHEET NO.
PL - 2
DRANNG NO.
RIFFLE
PAVED ROAD BANKFULL BENCH
O LOG VANE
BOULDER CROSS VANE
INSTALL BOULDER CROSS VANE DOUBLE -DROP
PER ATTACHED DETAIL BOULDER CROSS VANE
REMOVE EXISTING TREES
CLEAN AND MAINTAIN EXISTING
CULVERTS
ESTABLISH NEW TOP OF BANK
TO CREATE 40 -FOOT WIDE CORRIDOR
GRADE FROM NEW TOP OF BANK TEL
BANKFULL ELEVATION AT 2:1 SLOPE
N
INSTALL NAG125BN OR SIMILAR ON
ALL SLOPES
�\7
REMOVE EXISTING TREES
W
NOTES:
1) DATA BASED ON TOTAL STATION SURVEYS APRIL 28, 2010 AND MAY 26, 2010.
2) DRAWING FOR CONCEPTUAL PURPOSES ONLY; PRECISE CHANNEL AND STRUCTURE LOCATIONS
TO BE DETERMINED DURING CONSTRUCTION BY FIELD ENGINEER
3) REPLACE (2) 30" CMP WITH SAME; SET UPPER INVERT AT EXISTING ELEVATION; INSTALL AT
4% SLOPE UNDER ROAD.
4) REPLACE (2) 60" CMP WITH SINGLE BOTTOMLESS ARCH CULVERT; MAINTAIN DESIGN CHANNEL
CROSS- SECTION THROUGH CULVERT.
5) CLEAN AND MAINTAIN EXISTING (2) 48" CMP.
INSTALL LOG VANES
PER ATTACHED DETAIL
TRIBUTARY
o
SEE DESIGN CROSS- SECTION
FOR CHANNEL DIMENSIONS
E.
REMOVE EXISTING TREES
EXISTING THALWEG
DESIGN THALWEG
EXISTING TOP OF BANK
DESIGN TOP OF BANK
o EXISTING TREE
EXISTING CULVERT
REMOVE EXISTING FOOTBRIDGE
REPLACE CULVERTS
(SEE NOTES) ,
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O INSTALL BOULDER CROSS VANE
PER ATTACHED DETAIL
O SCALE 1" = 40'
20 0 20 40
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DATE
09/23/2010
PROJECT NO.
FILENAME MURPHY.DWG
SHEET NO.
PL — b
DRA'MNG NO.
0
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INSTALL DOUBLE -DROP
BOULDER CROSS VANES (5)
PER ATTACHED DETAIL
\ REPLACE CULVERTS
\ (SEE NOTES)
NOTES:
1) DATA BASED ON TOTAL STATION SURVEYS APRIL 28, 2010 AND MAY 26, 2010.
2) DRAWING FOR CONCEPTUAL PURPOSES ONLY; PRECISE CHANNEL AND STRUCTURE LOCATIONS
TO BE DETERMINED DURING CONSTRUCTION BY FIELD ENGINEER
3) REPLACE (2) 30" CMP WITH SAME; SET UPPER INVERT AT EXISTING ELEVATION; INSTALL AT
4% SLOPE UNDER ROAD.
4) REPLACE (2) 60" CMP WITH SINGLE BOTTOMLESS ARCH CULVERT; MAINTAIN DESIGN CHANNEL
CROSS- SECTION THROUGH CULVERT.
5) CLEAN AND MAINTAIN EXISTING (2) 48" CMP.
RIFFLE
BANKFULL BENCH
O LOG VANE
BOULDER CROSS VANE
DOUBLE -DROP
BOULDER CROSS VANE
EXISTING THALWEG
DESIGN THALWEG
EXISTING TOP OF BANK
DESIGN TOP OF BANK
0 EXISTING TREE
EXISTING CULVERT
SCALE 1" = 40'
20 0 20 40
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DATE
09/23/2010
PROJECT NO.
FILENAME MURPHY.DWG
SHEET NO.
PL- 4
DRA'MNG NO.
- RIFFLE
- BANKFULL BENCH
D LOG VANE
BOULDER CROSS VANE
DOUBLE -DROP
BOULDER CROSS VANE
EXISTING THALWEG
DESIGN THALWEG
EXISTING TOP OF BAN
DESIGN TOP OF BANK
O EXISTING TREE
CZ:::3 EXISTING CULVERT
NOTES:
1) DATA BASED ON TOTAL STATION SURVEYS APRIL 28, 2010 AND MAY 26, 2010,
2) DRAWING FOR CONCEPTUAL PURPOSES ONLY; PRECISE CHANNEL AND STRUCTURE LOCATIONS
TO BE DETERMINED DURING CONSTRUCTION BY FIELD ENGINEER
3) REPLACE (2) 30" CMP WITH SAME; SET UPPER INVERT AT EXISTING ELEVATION; INSTALL AT
4% SLOPE UNDER ROAD.
4) REPLACE (2) 60" CMP WITH SINGLE BOTTOMLESS ARCH CULVERT; MAINTAIN DESIGN CHANNEL
CROSS- SECTION THROUGH CULVERT.
5) CLEAN AND MAINTAIN EXISTING (2) 48" CMP.
TRIB\UT/�! r
RELOCATE EXISTING FOOTBRIDGE
RELOCATE EXISTING TRAIT_
ESTABLISH NEW TOP OF BANK
APPROX. 20 -FEET FROM EXISTING
TOP OF BANK
GRADE FROM NEW TOP OF BANK TO
BANKFULL ELEVATION AT 2:1 SLOPE
ELEVATED SEWER LINE
INSTALL NAG125BN OR SIMILAR ON
ALL SLOPES
O O
REMOVE EXISTING TREE
TRIBUTARY
01,
REMOVE FENCE
EXTENT OF BACKWATER FROM
HIWASSEE RIVER
(MAY 26, 2010)
MAINTAIN EXISTING THALWEG AND
CHANNEL LOCATIONS DOWNSTREAM
OF CULVERTS
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SCALE 1" = 40' 0e/23 /2010
PROJECT NO.
20 0 20 40 FILENAME
MURPH Y.DWG
SHEET N0.
PL- 5
DRA'MNG NO.
BAC
SEL
FILTE
FOOTER LOG
SELECT MATERIAL/
FILTER FABRIC
N❑TES�
PLAN VIEW
______ _ ______ BANKFULL ELEVATION _____________
HEADER LOG /
__ _�___1/2 B_ANKEULL_
- ELEVATION
FOOTER LOG STREAMBED
ELEVATION
SECTI ❑N A -A
1. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE
OF THE STRUCTURE 1/4 DIAMETER FROM THE TOP OF THE
LOG. THE NAILS SHALL BE ON 12 INCH CENTERS FILTER
FABRIC SHALL BE BURIED IN THE BOTTOM OF THE
CHANNEL AND SHALL BE PLACED THE ENTIRE LENGTH OF
THE STRUCTURE
2 A TRENCH SHALL BE DUG IN SUCH A MANNER THAT THE
FOOTER BOULDERS AND LOGS A MINIMUM OF 2/3 OF THE
HEADER BOULDER IS BURIED BENEATH THE BED SURFACE
ELEVATION
LOG VANE
SCALE: NTS
BANKFULL ELEVATION
-----------------------------------------------------------------------------------
////////// HEADER LGG
1/2 BANKFULL ELEVATION
---------------------------------------------------------
STREAMBED
ELEVATION
T
FOOTER LEGS
WILL BXISTIN C U I
SB
THE E G TRATE AND SHALL
BE A MINIMUM OF THE 13" DIAMETER
3. LOG IS HARDWOOD AND A MINIMUM DIAMETER OF 24
THE LOG SHALL BE BURIED A MINIMUM OF 5 FT IN THE
BANKS,
4. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM
SIDE OF THE VANE STRUCTURE TO PREVENT WASHOUT OF
SEDIMENT THROUGH BOULDER GAPS, FILTER FABRIC
SHALL EXTEND FROM THE BOTTOM OF THE FOOTER
BOULDER TO THE FINISHED GRADE ELEVATION AND
SHALL BE PLACED THE ENTIRE LENGTH OF THE
STRUCTURE,
SECTI ❑N B -B
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DATE
09/29/201
PROJECT NO.
FILENAME
MURPHY.DWG
SHEET N0
DRAWING NO
FILTER
20 - 3
BACKFILL W:
SELECT MATE
BANKF
i F`HW i FLOW i ROCK CROSS VANE
1/3 OF PROPOSED 1/3 O� PROPOSED 1/3 OF PRUPUSED SCALE: N T S
BANKFULL WIDTH BANKFUL_ WIDTH BANKFULL WIDTH
NOTES:
i
1/3 OF PROPOSED 1/3 OF PROPOSED 1/3 OF PROPOSED
BANKFULL WIDTH BANKFULL WIDTH BANKFULL WIDTH
NO GAPS
BANKFULL BETWEEN
ELEVATION FBOULDERS
TOP OF CENTER 1/3 STONES
SET AT ELEVATION SHOWN �
JON LONGITUDINAL PROFILE
-OUT
STREAMBED —
ELEV.
FOOTER BOULDERS -
WILL BE PLACED INTO
THE EXISTING SUBSTRATE
C R❑ S S S E C T I O N A MINIMUM OF THE ROCK
DIAMETER
1. ALL STONES ARE TO BE STRUCTURE STONE.
2. GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY
FITTING BOULDERS TOGETHER, PLUGGING WITH
STRUCTURE STONE CLASS A AND SELECT MATERIAL OR
CHINKING STONE APPROVED BY DESIGN ENGINEER,
AND LINING WITH FILTER FABRIC.
3. DIMENSIONS AND SLOPES MAYBE ADJUSTED TO FIT
BY THE DESIGN ENGINEER.
4. CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS
TIGHTLY.
5, FOOTER BOULDERS AND VANE BOULDERS SHALL BE
NATIVE STONE OR SHOT ROCK, CUBICAL OR
RECTANGULAR IN NATURE,
6, SLOPE OF VANE FROM CENTERLINE TO THE TOP OF
THE VANE ARM SHALL BE 2 -57..
7. ELEVATION CHANGE SHALL BE SPLIT EVENLY OVER
TWO DROPS,
VANE SEOpE
FOOTER BOULDERS
WILL BE PLACED INTO
THE EXISTING SUBTRATE
A MINIMUM OF THE BOULDER DIAMETER STREAMBED
ELEVATION
8, THERE SHALL BE NO DROP GREATER' THAN 6 INCHES.
9, THE ELEVATION OF EACH GRADE CONTROL STRUCTURE
SHOULD BE EQUAL TO OR GREATER THAN THE
ELEVATION OF THE TOP OF THE FOOTER ROCKS
DIRECTLY UPSTREAM,
SECTIEN BB
10. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM
SIDE OF THE STRUCTURE TO PREVENT WASHOUT OF
SEDIMENT THROUGH BOULDER GAPS, FILTER FABRIC
SHALL EXTEND FROM THE BOTTOM OF THE FOOTER
BOULDER TO THE FINISHED GRADE ELEVATION AND
SHALL BE PLACED THE ENTIRE LENGTH OF THE
STRUCTURE
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DATE
09/9/201
PROJECT NO.
FILENAME
MURPHY.DWG
SHEET NO.
DRA`MNG NO.
SLOPE OF VANE FROM CENTERLINE
z
FILTER
TOP BANKFULL SHALL BE 2 -57,
zN
FABRIC
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FLOW
o
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HEADER
STONE
__ -- - - - --
PO OL
_
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/ / /�
°
STONE
STREAMBEDw
o
ELEV.
o�z
0
SECTION A— A
m
STREAMBANK
BANKFULL ELEVATION
STREAMBED —
ELEV.
FOOTER BOULDERS -
WILL BE PLACED INTO
THE EXISTING SUBSTRATE
C R❑ S S S E C T I O N A MINIMUM OF THE ROCK
DIAMETER
1. ALL STONES ARE TO BE STRUCTURE STONE.
2. GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY
FITTING BOULDERS TOGETHER, PLUGGING WITH
STRUCTURE STONE CLASS A AND SELECT MATERIAL OR
CHINKING STONE APPROVED BY DESIGN ENGINEER,
AND LINING WITH FILTER FABRIC.
3. DIMENSIONS AND SLOPES MAYBE ADJUSTED TO FIT
BY THE DESIGN ENGINEER.
4. CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS
TIGHTLY.
5, FOOTER BOULDERS AND VANE BOULDERS SHALL BE
NATIVE STONE OR SHOT ROCK, CUBICAL OR
RECTANGULAR IN NATURE,
6, SLOPE OF VANE FROM CENTERLINE TO THE TOP OF
THE VANE ARM SHALL BE 2 -57..
7. ELEVATION CHANGE SHALL BE SPLIT EVENLY OVER
TWO DROPS,
VANE SEOpE
FOOTER BOULDERS
WILL BE PLACED INTO
THE EXISTING SUBTRATE
A MINIMUM OF THE BOULDER DIAMETER STREAMBED
ELEVATION
8, THERE SHALL BE NO DROP GREATER' THAN 6 INCHES.
9, THE ELEVATION OF EACH GRADE CONTROL STRUCTURE
SHOULD BE EQUAL TO OR GREATER THAN THE
ELEVATION OF THE TOP OF THE FOOTER ROCKS
DIRECTLY UPSTREAM,
SECTIEN BB
10. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM
SIDE OF THE STRUCTURE TO PREVENT WASHOUT OF
SEDIMENT THROUGH BOULDER GAPS, FILTER FABRIC
SHALL EXTEND FROM THE BOTTOM OF THE FOOTER
BOULDER TO THE FINISHED GRADE ELEVATION AND
SHALL BE PLACED THE ENTIRE LENGTH OF THE
STRUCTURE
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DATE
09/9/201
PROJECT NO.
FILENAME
MURPHY.DWG
SHEET NO.
DRA`MNG NO.
DOUBLE DROP ROCK CROSS VANE
SCALE: NTS
1/3 OF PROPOSED
BANKFULL WIDTH
a
I w
A
FILTER FABRIC I I — BANKFULL
20 - 30 deg /
BACKFILL WITH I
SELECT MATERIAL° 01
i Sl EP \\ I
PC OL \ \ ° I SEE NOTE 7
\
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Z N
I B SCO
A
1/3 OF PROPOSED 1/3 OF PROPOSED 1/3 OF PROPOSED
BANKFULL WIDTH BANKFULL WIDTH BANKFULL WIDTH
NO GAPS
BANKFULL BETWEEN
ELEVATION BOULDERS
\ TOP OF CENTER 1/3 STONES
SET AT ELEVATION SHOWN
\\ ON LONGITUDINAL PROFILE
/
STREAMBED
ELEV. —
//7
CROSS - SECTION
NOTES:
1. ALL STONES ARE TO BE STRUCTURE STONE.
2. GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY FITTING
BOULDERS TOGETHER AND PLUGGING WITH STRUCTURE
STONE CLASS A AND SELECT MATERIAL OR CHINKING STONE
APPROVED BY DESIGN ENGINEER, AND LINING WITH FILTER
FABRIC.
3. DIMENSIONS AND SLOPES MAY BE ADJUSTED TO FIT BY THE
DESIGN ENGINEER.
/ FOOTER BOULDERS
WILL BE PLACED INTO
THE EXISTING SUBSTRATE
A MINIMUM OF THE ROCK
DIAMETER
FILTER
FABRIC
HEADER
STONE
FOOTER
STONE
SLOPE OF VANE FROM CENTERLINE
TOP BANKFULL SHALL BE 2 -5%
FLOW
0-- T
POOL
7/ '
IC
SECTION A -P-
MAX OF 0.5'—
�TREAMBED
ELEV.
STEP ROCKS
— /_ STREAMBANK
T\\r
0
VANE SLOpF
FOOTER BOULDERS
WILL BE PLACED INTO
THE EXISTING SUBTRATE
A MINIMUM OF THE BOULDER DIAMETER STREAMBED
ELEVATION
BANKFULL ELEVATION
SECTION B -B
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4. CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS TIGHTLY.
5. FOOTER BOULDERS AND VANE BOULDERS SHALL BE NATIVE
STONE OR SHOT ROCK, CUBICAL OR RECTANGULAR IN NATURE.
6. SLOPE OF VANE FROM CENTERLINE TO THE TOP OF THE VANE
ARM SHALL BE 2 -5%
7. ELEVATION CHANGE SHALL BE SPLIT EVENLY OVER TWO
DROPS.
8. THERE SHALL BE NO DROP GREATER THAN 6 INCHES.
9. THE ELEVATION OF EACH GRADE CONTROL STRUCTURE SHOULD
BE EQUAL TO OR GREATER THAN THE ELEVATION OF THE TOP OF
THE FOOTER ROCKS DIRECTLY UPSTREAM.
10. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF
THE STRUCTURE TO PREVENT WASHOUT OF SEDIMENT
THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND
FROM THE BOTTOM OF THE FOOTER BOULDER TO THE
FINISHED GRADE ELEVATION AND SHALL BE PLACED THE
ENTIRE LENGTH OF THE STRUCTURE.
DATE
09/29/201
PROJECT NO.
FILENAME MURPHY.DWO
SHEET NO.
DRAWING NO.
USFS Tusquitee Ranger District Office, Murphy, NC
Longitudinal Profile - Mainstem
Design
100
95
90
0
W
85
Existing Thalweg
— Existing Culvert
Proposed Thalweg
• Proposed Structure
80
Proposed Bankfull
75
0 200 400 600 800 1000 1200
Station (feet)
USFS Tusquitee Ranger District Office, Murphy, NC
Longitudinal Profile - Tributary
Design
�i
■
■
X x
■ x
■
■ x X2
■x ■
x
— *—Existing Thalweg
— Existing Culvert
■ Left Top of Bank
x Right Top of Bank
.`����
Proposed Thalweg
• Proposed Structure
USFS Tusquitee Ranger District Office, Murphy, NC
Cross - sections
Design
Design riffle cross - section (lower reach)
90.0
89.0
88.0
w 87.0
0 86.0
y 85.0
v
w 84.0
83.0 Design cross- section
Existing cross - sect on 1
82.0
0 10 20 30 40 50 60 70 80
Distance (feet)
Area =
8.3
sq ft
Width =
9.1
ft
Mean depth =
0.9
ft
Max depth =
1.3
ft
W/D ratio =
10.1
Design riffle cross - section (upper reach)
97.0
96.0
95.0
94.0
0 93.0
v 92.0
w 91.0
�� Design cross - section
90.0 Existing cross- section ]
89.0
0 10 20 30 40 50 60 70 80
Distance (feet)
Area =
5.0
sq ft
Width =
7.2
ft
Mean depth =
0.7
ft
Max depth =
0.9
ft
W/D ratio =
10.5