20171341 Ver 1_More Info Received_20171109

BRANDY BRANCH STREAM RESTORATION
294 AND 314 KINGFISHER LANE, MILLS RIVER, NC - HENDERSON COUNTY, NORTH CAROLINA
PROJECT DIRECTORY
LAND OWNER
ENGINEER
JENNINGS ENVIRONMENTAL
GREG JENNINGS, PHD, PE
919.600.4790
[e-mail]
SHEETINDEX
TITLE SHEET
1.0
PROPOSED PLAN
2.0
PROPOSED PLANTING PLAN
3.0
PROPOSED CROSS-SECTIONS
4.0
PROPOSED DETAILS
5.0
60% PLAN - PERMITTING AND REVIEW
NOVEMBER 10, 2017
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COARSEN AND ENHANCE
RIFFLE WITH NATIVE BED
MATERIAL. SEE DETAIL.
0 12 24
Feet
1 INCH = 12 FEET
EROSION CONTROL MATTING.
SEE DETAIL.
COIR LOG TOE PROTECTION.
SEE DETAIL.
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® EROSION CONTROL MATTING WITH HIGH DENSITY LIVE STAKING,
�I PERMANENT SEED, TEMPORARY SEED AND SOIL PREP - 1,000 FT2
++++ LIVE STAKES / CONTAINERIZED PLANTS PERMANENT SEED,
+ TEMPORARY SEED AND SOIL PREP - 3,650 FT2
WC
0 12 24
Feet
1 INCH = 12 FEET
30 FT
STREAMBANK AND BUFFER PLANTING SPECIFICATIONS
LIVE STAKES AND CONTAINERIZED PLANTS -
4,650 FT2
SCIENTIFIC NAME
COMMON NAME
SIZE (CAL)
SPACING'
QTY
Liriodendron tulipifera
TULIP POPLAR
0.25" - 1.0"
2 FT / 5 FT O.C.
50
Salix sericea
SILKY WILLOW
0.50" - 1.0"
2 FT / 5 FT O.C.
+
+
SYCAMORE
+
2 FT / 5 FT O.C.
+
Betula nigra
+
0.25" - 1.0"
1 2 FT / 5 FT O.C.
50
Comus amomum
+
0.25" - 1.0"
2 FT / 5 FT O.C.
100
PERMANENT SEEDING - 4,650 FT2
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COMMON NAME
TYPE
APP. RATE
QTY
------
RIPARIAN SEED MIX
SEED
4 LBS / 1000 SF
20 LBS
Elymus virginicus
VIRGINIA WILD RYE
SEED
20%.
------
Agrostis perennans
AUTUMN BENT GRASS
SEED
15%
------
Pancicum virgatum
SWITCHGRASS
SEED
15%
------
Redbeckia hirta
BLACK-EYED SUSAN
SEED
10%
------
Coreopsis lanceolata
LANCELEAF COREOPSIS
SEED
10%
------
Andropogon gerardii
BIG BLUESTEM
SEED
10%
------
Juncus effusus
SOFT RUSH
SEED
10%
+
Schizachyrium scoparium
+
SEED
+
+
INDIAN GRASS
SEED
5%
------
+
TEMPORARY SEEDING, MULCHING AND SOIL PREP
+
+
COMMON NAME
+
APP. RATE
+
Secale Cereale
RYE GRAIN
SEED
5 LBS / 1000 SF
25 LBS
------
GROUND AG. LIMESTONE
PELLET
45 LBS / 1000 SF
210 LBS
------
10-10-10 FERTILIZER
PELLET
17 LBS / 1000 SF
80 LBS
-----
WHEAT STRAW MULCH
STRAW
1 90 LBS / 1000 SF 1
415 LBS
+
+
+
+
L
+
+
+
+
+
+
+
+
+
+
+
+
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WC
0 12 24
Feet
1 INCH = 12 FEET
30 FT
STREAMBANK AND BUFFER PLANTING SPECIFICATIONS
LIVE STAKES AND CONTAINERIZED PLANTS -
4,650 FT2
SCIENTIFIC NAME
COMMON NAME
SIZE (CAL)
SPACING'
QTY
Liriodendron tulipifera
TULIP POPLAR
0.25" - 1.0"
2 FT / 5 FT O.C.
50
Salix sericea
SILKY WILLOW
0.50" - 1.0"
2 FT / 5 FT O.C.
50
Platanus occidentalis
SYCAMORE
0.25" - 1.0"
2 FT / 5 FT O.C.
50
Betula nigra
RIVER BIRCH
0.25" - 1.0"
1 2 FT / 5 FT O.C.
50
Comus amomum
SILKY DOGWOOD 1
0.25" - 1.0"
2 FT / 5 FT O.C.
100
PERMANENT SEEDING - 4,650 FT2
SCIENTIFIC NAME
COMMON NAME
TYPE
APP. RATE
QTY
------
RIPARIAN SEED MIX
SEED
4 LBS / 1000 SF
20 LBS
Elymus virginicus
VIRGINIA WILD RYE
SEED
20%.
------
Agrostis perennans
AUTUMN BENT GRASS
SEED
15%
------
Pancicum virgatum
SWITCHGRASS
SEED
15%
------
Redbeckia hirta
BLACK-EYED SUSAN
SEED
10%
------
Coreopsis lanceolata
LANCELEAF COREOPSIS
SEED
10%
------
Andropogon gerardii
BIG BLUESTEM
SEED
10%
------
Juncus effusus
SOFT RUSH
SEED
10%
------
Schizachyrium scoparium
LITTLE BLUESTEM
SEED
5%
Sorghastrum nutans
INDIAN GRASS
SEED
5%
------
TEMPORARY SEEDING, MULCHING AND SOIL PREP
4,650 FT2
SCIENTIFIC NAME
COMMON NAME
TYPE
APP. RATE
QUANTITY
Secale Cereale
RYE GRAIN
SEED
5 LBS / 1000 SF
25 LBS
------
GROUND AG. LIMESTONE
PELLET
45 LBS / 1000 SF
210 LBS
------
10-10-10 FERTILIZER
PELLET
17 LBS / 1000 SF
80 LBS
-----
WHEAT STRAW MULCH
STRAW
1 90 LBS / 1000 SF 1
415 LBS
PLANTING TECHNIQUES
A. PLANTINGS, TEMPORARY AND PERMANENT SEED SHALL EXTEND 20 FT OUTSIDE LTOB AND 15 FT OUTSIDE RTOB AS
SHOWN ON THE PLAN.
B. INSURE THAT ROOTS, ONCE REMOVED FROM POT, ARE STRAIGHTENED AND FACE DOWNWARD.
C. CREATE PLANTING AREA FOR EACH PLANT AND EXCAVATE PIT
D. PLACE PLANTS IN PIT INSURING ROOTS ARE FACING COMPLETELY DOWNWARD
E. HEEL IN SOIL AROUND PLANT AND PROCEED TO NEXT PLANTING LOCATION
F. NEWLY -PLANTED PLANTS NEED TO BE FASTENED TO THE SUBSTRATE FOR THE ESTABLISHMENT OF NEW ROOTS
G. ROOTS SHALL BE SPREAD IN THEIR NORMAL POSITION. ALL BROKEN OR FRAYED ROOTS SHALL BE CUT OFF CLEANLY.
H. THE DIAMETER OF THE PLANTING HOLES (PITS) FOR EACH PLANT SHOULD BE AT LEAST THREE TIMES THE DIAMETER OF
THE ROOT MASS. SCARIFY THE PLANTING PIT PRIOR TO EACH PLANT INSTALLATION.
I. SET PLANTS UPRIGHT IN THE CENTER OF THE PIT. THE BOTTOM OF THE ROOT MASS SHOULD BE RESTING ON
UNDISTURBED SOIL.
J. PLACE BACKFILL AROUND BASE AND SIDES OF ROOT MASS, AND WORK EACH LAYER TO SETTLE BACKFILL AND TO
ELIMINATE VOIDS AND AIR POCKETS. WHEN PIT IS APPROXIMATELY 2/3 FULL, WATER THOROUGHLY BEFORE PLACING
REMAINDER OF THE BACKFILL. WATER AGAIN AFTER PLACING FINAL LAYER OF BACKFILL.
CONTAINER STOCK / LIVE STAKES
A. STOCK SHALL HAVE BEEN GROWN IN A CONTAINER LONG ENOUGH FOR THE ROOT SYSTEM TO HAVE DEVELOPED
SUFFICIENTLY TO HOLD ITS SOIL TOGETHER ONCE REMOVED FROM THE CONTAINER.
B. CONTAINER PLANTS WILL NEED TO BE WATERED REGULARLY AND PLACED IN SHADY CONDITIONS UNTIL PLANTING
OCCURS.
C. CUTTINGS SHOULD BE INSTALLED THE SAME DAY THEY ARE CUT. THE STAKE SHOULD BE ORIENTED WITH THE BUDS
POINTED UP, AND THE BOTTOM SHOULD BE CUT AT AN ANGLE FOR EASY INSERTION INTO THE GROUND.
D. ABOUT FOUR-FIFTHS OF THE LENGTH OF THE STAKE SHOULD BE BELOW GROUND AND ANGLED DOWNSTREAM. AN IRON
BAR CAN BE USED TO MAKE A PILOT HOLE TO PREVENT BARK FROM BEING DAMAGED DURING INSTALLATION.
PLANT LOCATIONS
A. NEW PLANTINGS SHALL BE LOCATED WHERE SHOWN ON PLAN EXCEPT WHERE CHANGES HAVE BEEN MADE BY THE
PROJECT ENGINEER ONSITE.
B. NECESSARY ADJUSTMENTS SHALL BE MADE ONLY AFTER APPROVED BY THE OWNER OR PROJECT ENGINEER.
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BRANDY BRANCH RIFFLE CROSS-SECTION (TYP.)
FLOODPLAIN
PROPOSED 700 GRAM COIR EROSION
CONTROL MATTING, SEE DETAIL
WIDTH VARIES PER PLAN
7.0 FT
PROPOSED BKF WSE_ _ I — 0.81
PROPOSED CENTERLINE ALIGNMENT
FLOODPLAIN.
FLOODPLAIN
BRANDY BRANCH POOL CROSS-SECTION (TYP.)
WIDTH VARIES PER PLAN
PROPOSED BKF WSE
POINT BAR
9.0 FT
111'
PROPOSED CENTERLINE ALIGNMENT
— FLOODPLAIN
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COIR LOC
INSTF
COIR LOG TOE PROTECTION
DETAILED PLAN
EMBED COIR LOG INTO STREAM
BANK SUCH THAT 4OF THE COIR
LOG IS SUBMERGED BELOW
BASE FLOW WSE
COIR LOG TOE PROTECTION
NOT TO SCALE
WRAP EROSION CONTROL MATTING OVER COIR LOG
AND SECURE WITH WOODEN STAKE
COIR LOG TOE PROTECTION
NOTES
1. THE COIR LOG TOE PROTECTION IS A DESIGN FEATURE THAT IS USED ON OUTSIDE MEANDER
BENDS TO PROTECT THE STREAM BANK TOE FROM EROSION IMMIDIATELY AFTER
CONSTRUCTION. THIS TOE PROTECTION MEASURE ALSO FACILITATES THE ESTABLISHMENT OF
BANK VEGETATION TO PROMOTE LONG TERM ROOT STRUCTURE AND ROOT DENSITY. PLACE
COIR ROLLS ALONG THE STREAM BANK AS DESIGNED. TIE THE ENDS OF ADJACENT COIR ROLLS
TOGETHER WITH COIR TWINES. 6MM TWINE IS RECOMMENDED. USE EXTRA LOOPS OF COIR
TWINE THROUGH THE OUTER NETTING OF ADJACENT COIR ROLLS.
2. COIR LOGS USED FOR STREAMBANK TOE PROTECTION SHALL BE A MINIMUM OF 12" IN
DIAMETER.
3. EMBED COIR LOGS AT THE BANK TOE SUCH THAT z OF THE COIR LOG IS SUBMERGED BELOW
THE BASE FLOW WSE.
4. WRAP EROSION CONTROL MATTING OVER THE COIR LOG AND SECURE AT THE STREAM BANK
TOE WITH A WOODEN STAKE AND NAIL.
5. WOODEN STAKES (2"X4") WITH A 3-4" NAIL AT THE TOP IS RECOMMENDED FOR COIR ROLL
INSTALLATION. IN GENERAL, 36" LONG WEDGES ARE RECOMMENDED FOR 12" DIAMETER COIR
ROLLS.
6. BEND THE ENDS OF THE FIRST AND THE LAST COIR ROLL TOWARDS THE STREAM BANK AND TIE
THEM INTO THE BANK. THIS AVOIDS WATER GATHERING BEHIND THE COIR ROLLS AND
PREVENTS PULLING THE COIR ROLL OUT.
7. ONCE THE COIR ROLLS ARE INSTALLED PROPERLY, PLANT SUITABLE NATIVE LIVESTAKES AND
CONTAINERIZED PLANTS ON AND AROUND COIR ROLLS WHERE WATER IS AVAILABLE FOR THE
YOUNG PLANTS.
COIR LOG MIN. DIAMETER = 12"
00
BASE FLOW WSE
DETAILED PROFILE - SECTION A - A'
NOT TO SCALE
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CONSTRUCTED RIFFLE
DETAILED PLAN
P.T. ELEVATION
PER PROFILE
GLIDE
Q?
BANKFULL WSE
BABA=OW WSE RIFFLE SLOPE VARIES
PER PROFILE
SELECT RIFFLE SUBSTRATE
MATERIAL PER NOTES
SELECT RIFFLE SUBSTRATE
MATERIAL DEPTH AND GRADATION
PER NOTES
CONSTRUCTED RIFFLE
DETAILED CROSS-SECTION A - A'
NOT TO SCALE
P.C. ELEVATION
PER PROFILE
RUN
CONSTRUCTED RIFFLE NOT TO SCALE
NOTES
1. THE CONSTRUCTED RIFFLE IS A STREAM AND RIVER RESTORATION DESIGN FEATURE THAT INCORPORATES
COARSE MATERIAL IN THE CHANNEL BOTTOM THAT WILL NOT BE MOBILIZED UNDER DEFINED FLOW
CONDITIONS. REPLACING (OR ADDING TO) THE NATIVE CHANNEL BED MATERIAL WITH LARGER DIAMETER
ROCK CREATES A RIFFLE THAT FUNCTIONS AS A RIGID GRADE CONTROL. LARGER ROCK MATERIAL
ENHANCES FLOW DIVERSITY AND TURBULENCE UNDER BASE FLOW CONDITIONS, WHICH PROMOTES
AQUATIC HABITAT, NUTRIENT PROCESSING AND RE -AERATION OF STREAM FLOW BENEFITING WATER
QUALITY. THE D50, D85, Dyo OR Doo PARTICLES OF THE CONSTRUCTED MAY BE DESIGNED TO RESIST tBKF
WHILE ALLOWING SMALLER SUBSTRATE PARTICLES TO BE MOBILIZED AND REPLACED BY UPSTREAM
SEDIMENT SEDIMENT SUPPLY.
2. ALL SELECT RIFFLE MATERIAL SHALL BE QUARRIED STONE UNLESS NATIVE MATERIAL OF SIMILAR SIZE IS
AVAILABLE ONSITE AND MEETS THE CONSTRUCTED RIFFLE SIZE SPECIFICATIONS. THE ENGINEER MUST
APPROVE THE USE OF ALL ONSITE NATIVE MATERIAL.
3. THE GRAVEL AND COBBLE SUBSTRATE USED FOR THIS DESIGN FEATURE SHOULD BE PREFERENTIALLY
HARVESTED FROM THE EXISITING CHANNEL AND OTHER DESIGNATED MINING AREAS ONSITE.
4. SORTING AND SIEVING OF THE HARVESTED RIFFLE SUBSTRATE IS INCIDENTAL TO THE CONSTRUCTION OF
THIS STRUCTURE.
5. SELECT RIFFLE MATERIAL SHALL HAVE A GRADATION AS DEFINED IN THE TABLE WITHIN THIS DETAIL OR AS
APPROVED BY THE ENGINEER. SELECT RIFFLE MATERIAL SHALL BE WELL GRADED WHEN IT IS PLACED IN
THE CHANNEL.
6. FOR INSTALLATION, THE CONTRACTOR SHALL OVER EXCAVATE THE LENGTH OF THE RIFFLE, INSTALL 700
GRAM COIR FIBER EROSION CONTROL MATTING, KEY MATTING INTO THE RIFFLE TRENCH AND BACKFILL
WITH THE SPECIFIED SELECT RIFFLE MATERIAL TO THE ELEVATIONS SHOWN ON THE PROPOSED PROFILE.
7. CONSTRUCTED RIFFLE MATERIAL SHALL EXTEND A MINIMUM OF 3.0 FT U/S OF THE P.T. INTO THE GLIDE AND
D/S TO THE P.C.
8. P.T. AND P.C. STATIONS AND ELEVATIONS ARE INCLUDED IN THE PROPOSED PLAN AND PROFILE SHEETS.
9. SELECT RIFFLE MATERIAL DEPTH SHALL BE AT LEAST 2.5 TIMES THE Doo (MM) SPECIFIED BY THE ENGINEER.
10. SELECT RIFFLE MATERIAL WILL BE PLACED AT A UNIFORM THICKNESS.
11. THE SELECT RIFFLE MATERIAL WILL BE PLACED SUCH THAT, IN CROSS-SECTION, ITS LOWEST ELEVATION
OCCURS IN THE CENTER OF THE CHANNEL AS PER THE DETAIL.
12. SELECT RIFFLE MATERIAL SHALL BE COMPACTED USING TRACK EQUIPMENT OR AN EXCAVATOR BUCKET
SUCH THAT FUTURE SETTLEMENT OF THE MATERIAL IS KEPT TO A MINIMUM.
13. THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFACE IN
ACCORDANCE WITH THE LINES, GRADES, AND CROSS-SECTIONS OR ELEVATIONS SHOWN ON THE
DRAWINGS. THE DEGREE OF FINISH FOR INVERT ELEVATIONS SHALL BE WITHIN 0.1 FT OF THE GRADES AND
ELEVATIONS INDICATED.
14. RE -DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUIRED FOLLOWING
INSTALLATION OF IN -STREAM STRUCTURES AND SHALL BE CONSIDERED INCIDENTAL TO CONSTRUCTION.
15. SEE TYPICAL RIFFLE CROSS SECTION FOR DIMENSIONS.
BANKFULL
EROSION CONTROL MATTING
COIR 700 GRAM
BANKFULL WSE
BASEFLOW WSE
/ RIFFLE SUBSTRATE
/ // DEP j IN. = 2.5VD,/,7
SELECT RIFFLE SUBSTRATE
MATERIAL GRADATION PER NOTES
NOT TO SCALE CONSTRUCTED RIFFLE WITH LOG ROLLERS NOT TO SCALE
DETAILED CROSS-SECTION B - B'
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EROSION CONTROL MATTING
DETAILED PLAN
6" MIN. HORIZONTAL
OVERLAP
6" MIN. VERTICAL
OVERLAP
lTV M
6" MIN. HORIZONTAL)
OVERLAP
EROSION CONTROL MATTING
DETAILED STAKING PLAN
EROSION CONTROL MATTING
NOTES
1. EROSION CONTROL MATTING IS USED TO PROTECT RECENTLY
A' CONSTRUCTED STREAM BANKS FROM EROSION. THE MATTING WILL
REMAIN INTACT WHILE THE BANK AND RIPARIAN VEGETATION MATURES,
PROVIDING CRITICAL BANK PROTECTION.
2. BEFORE INSTALLING COIR FIBER BLANKET, RAKE SOIL LEVEL AND ADD
SEED, FERTILIZER, LIME AND MULCH.
3. 700 GRAM COIR FIBER EROSION CONTROL MATTING SHALL BE PLACED
ALONG THE LENGTH OF THE NEW CHANNEL FROM THE TOE OF SLOPE
OUT TO A MINIMUM OF 3 FT BEYOND THE BANKFULL ELEVATION.
4. SECURE COIR MATTING IN PLACE BY STAKING AND OVERLAPPING AT
THE SEEMS WITH A SHINGLE -TYPE METHOD SUCH THAT THE
OVERLAPPING PIECE IS IN THE SAME DIRECTION AND AS THE STREAM
FLOW. ADDITIONAL STAKING SHALL BE APPLIED BY THE CONTRACTOR
AT NO ADDITIONAL COST IF THE MATTING SEPARATES FROM THE SOIL
MORE THAN ONE INCH UNDER A REASONABLE PULL.
NOT TO SCALE
--SUPPLEMENT WOODEN STAKES
WITH 12" ECO -STAKES
X700 GRAM COIR FIBER MATTING
-**\\-2' LONG 2" x 2" WOOD STAKES
w/ 3" GALVANIZED ROOFING NAIL
AT THE TOP TO SECURE MATTING
700 GRAM COIR--,\
MATTING
3'
EARTH
w/ 3" GALVANIZED ROOFING NAIL
AT THE TOP TO SECURE MATTING
NOT TO SCALE EROSION CONTROL MATTING NOT TO SCALE
DETAILED CROSS-SECTION A - A'
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6" MIN. HORIZONTAL)
OVERLAP
EROSION CONTROL MATTING
DETAILED STAKING PLAN
EROSION CONTROL MATTING
NOTES
1. EROSION CONTROL MATTING IS USED TO PROTECT RECENTLY
A' CONSTRUCTED STREAM BANKS FROM EROSION. THE MATTING WILL
REMAIN INTACT WHILE THE BANK AND RIPARIAN VEGETATION MATURES,
PROVIDING CRITICAL BANK PROTECTION.
2. BEFORE INSTALLING COIR FIBER BLANKET, RAKE SOIL LEVEL AND ADD
SEED, FERTILIZER, LIME AND MULCH.
3. 700 GRAM COIR FIBER EROSION CONTROL MATTING SHALL BE PLACED
ALONG THE LENGTH OF THE NEW CHANNEL FROM THE TOE OF SLOPE
OUT TO A MINIMUM OF 3 FT BEYOND THE BANKFULL ELEVATION.
4. SECURE COIR MATTING IN PLACE BY STAKING AND OVERLAPPING AT
THE SEEMS WITH A SHINGLE -TYPE METHOD SUCH THAT THE
OVERLAPPING PIECE IS IN THE SAME DIRECTION AND AS THE STREAM
FLOW. ADDITIONAL STAKING SHALL BE APPLIED BY THE CONTRACTOR
AT NO ADDITIONAL COST IF THE MATTING SEPARATES FROM THE SOIL
MORE THAN ONE INCH UNDER A REASONABLE PULL.
NOT TO SCALE
--SUPPLEMENT WOODEN STAKES
WITH 12" ECO -STAKES
X700 GRAM COIR FIBER MATTING
-**\\-2' LONG 2" x 2" WOOD STAKES
w/ 3" GALVANIZED ROOFING NAIL
AT THE TOP TO SECURE MATTING
700 GRAM COIR--,\
MATTING
3'
EARTH
w/ 3" GALVANIZED ROOFING NAIL
AT THE TOP TO SECURE MATTING
NOT TO SCALE EROSION CONTROL MATTING NOT TO SCALE
DETAILED CROSS-SECTION A - A'
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