20150003 Ver 1_More Info Received_20150203

Homewood, Sue
From: Cartner, Daphne
Sent: Tuesday, February 03, 2015 2:38 PM
To: Homewood, Sue
Cc: Alexander, Tasha L SAW
Subject: RE: Benton EQUIP project (UNCLASSIFIED)
Attachments: RockStructures.pdf, Benton detail blanket.pdf, Benton Planview- revised. pdf; Benton
Reach l.pdf, Benton Reach 2.pdf, Benton Reach 3.pdf, Benton_rock structures.pdf;
LOG VANE SPECIFICATION S.pdf
Sue & Tasha,
Sorry about the delay. Attached are the additional drawings /specs you requested. Please let me know if you need any
additional information.
Thanks,
Daphne
Please note the new address and phone number.
Daphne Cartner
North Carolina Department of Agriculture & Consumer Services Division of Soil and Water Conservation Western
Piedmont Technical Services Center PO Box 845 Mocksville, NC 27028
Voice: (336) 753 -0076
www.ncagr.gov/swc/
E -mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
- - - -- Original Message---- -
From: Homewood, Sue
Sent: Monday, February 02, 2015 2:33 PM
To: Cartner, Daphne
Cc: Alexander, Tasha L SAW
Subject: RE: Benton EQUIP project (UNCLASSIFIED)
Hey Daphne,
Do you have an idea of when you might have the revised drawings? I have a very tight week next week which is my
deadline for sending out a formal request, so I'll probably need to do it by this Friday unless you can send me the
updated drawings by then. Thanks.
Please note my new contact information
Sue Homewood
NC DENR Winston -Salem Regional Office
Division of Water Resources — Water Quality Programs
450 W. Hanes Mill Rd, Suite 300
Winston Salem NC 27105
1

Voice: (336) 776 -9693
Cell: (336) 813 -1863
E -mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
- - - -- Original Message---- -
From: Cartner, Daphne
Sent: Wednesday, January 21, 2015 8:34 AM
To: Alexander, Tasha L SAW; Homewood, Sue
Subject: RE: Benton EQUIP project (UNCLASSIFIED)
Tasha & Sue,
I have been out of the office a good bit and haven't had a chance to "blow up" the drawings and on my way out again
now.
I will be on site during construction. A good bit of the work by its nature will be on the upper banks (bankfull up) and we
will be working in the dry. In the reach where the pattern is being modified there will be times however to ensure that
structures are properly located we will need to let the water flow through the work area for short periods. The banks
will already be shaped and stabilized (seeded and matted) daily.
I will get you the drawings and specs the first of the week.
Thanks,
Daphne
Please note the new address and phone number.
Daphne Cartner
North Carolina Department of Agriculture & Consumer Services Division of Soil and Water Conservation Western
Piedmont Technical Services Center PO Box 845 Mocksville, NC 27028
Voice: (336) 753 -0076
www.ncagr.gov/swc/
E -mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
- - - -- Original Message---- -
From: Alexander, Tasha L SAW [ mailto: Tasha .L.Alexander @usace.army.mil]
Sent: Tuesday, January 20, 2015 2:56 PM
To: Homewood, Sue; Cartner, Daphne
Subject: RE: Benton EQUIP project (UNCLASSIFIED)
Classification: UNCLASSIFIED
Caveats: NONE
Daphne,
Could you please send me a copy of the response package as well?

Thank you,
Tasha Alexander
Regulatory Specialist
Asheville Regulatory Field Office
U.S. Army Corps of Engineers - Wilmington District
151 Patton Avenue, Room 208
Asheville, North Carolina 28801
Phone: [phone], extension 226
email: [e-mail] The Wilmington District is committed to providing the highest level of support
to the public. To help us ensure we continue to do so, please complete the Customer Satisfaction Survey located at our
website at http: / /www.saw.usace.army.miI/ missions /ReguIatoryPermitProgram.aspx to complete the survey online.
- - - -- Original Message---- -
From: Homewood, Sue [ mailto:sue.homewood @ncdenr.gov]
Sent: Thursday, January 15, 2015 12:35 PM
To: Cartner, Daphne
Cc: Alexander, Tasha L SAW
Subject: [EXTERNAL] Benton EQUIP project
Hi Daphne,
I have a couple questions and items to request for my file.
Questions:
Our General Certification 3885 requires that all work be done in the dry (i.e. pump around while working in channel).
Were you planning on doing this during the construction?
Will you be supervising the construction? Typically we like to see more detailed plans to ensure a contractor is going to
remain in compliance with a permit, but sometimes with local assistance programs instead I just condition the permit
that says the designer will oversee all the work.
A couple items for my file:
Could you provide me with a blow up of the overall plans. I appreciate that you fit it all on an 11x17 sheet but it's pretty
hard to see all the details well. You can keep it on 11x17, just maybe provide a few pages zoomed in on different
sections of the streams please.

Also, I need technical specifications /details for all the types of structures you intend to use in the project. You can
provide just a generic detail /spec for each structure.
Thanks and if you have any questions or problems with these items please call or email me.
Please note my new contact information
Sue Homewood
NC DENR Winston -Salem Regional Office
Division of Water Resources - Water Quality Programs
450 W. Hanes Mill Rd, Suite 300
Winston Salem NC 27105
Voice: (336) 776 -9693
Cell: (336) 813 -1863
E -mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
Classification: UNCLASSIFIED
Caveats: NONE

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CONSTRUCTION SPECIFICATION
LOG VANE
1) SCOPE
This specification covers the installation of Log Vane(s) at location(s) as shown on the
construction plans and as directed by the engineer.
2) PURPOSE
• Redirect erosive velocities away from streambanks
• Provide aquatic and terrestrial habitat
• This practice does not apply to streams that are highly entrenched.
3) DEFINITIONS
LOG VANE — A log, fourteen to twenty feet long placed at an angle of 20 to 30 degrees off the
bank and at a slope of 5 to 7 percent. (See Fig 1)
ENGINEER - The USDA -NRCS and/or SWCD person(s) who have appropriate construction
approval authority for Practice Standard 580, Streambank and Shoreline
Protection for the specific size and type of structure.
STREAM BANK — Portions of intermittent or perennial stream banks that are eroding at an
accelerated rate due to the effects of stream flow near banks without adequate
vegetative cover and supporting riparian area.
BANKFULL (BKF) — The stream flow level at which the stream channel is formed and
maintained. The term "bankfull" should not be confused with "the top of the
bank ". Persons who have received training in Natural Stream Channel
evaluation shall identify the bankfull elevation.
4) PLANNING CONSIDERATIONS
This practice should be applied as a part of a total Natural Stream Channel Restoration design.
Log Vanes are not intended to be a total solution to the streambank erosion problem in
themselves. They are to be used as a component of a total streambank management plan, which
may require a number of associated practices. In some cases modification of the stream
dimension, pattern and profile may be required before structures are installed. The use of log
vanes without considering the stable dimension, pattern, and profile of the stream will most
likely result in failure.
USDA -NRCS page 1 Log Vane
North Carolina October 2004

5) PERMITTING
No work, which is covered by this specification, shall be performed until the Army Corp of
Engineers has issued a Section 404 permit and the Division of Water Quality has issued a
Section 401 certification (if required). The final construction plans and specifications must be
prepared and approved prior to the beginning of construction.
6) EQUIPMENT
A hydraulic excavator (trackhoe) with a hydraulic "thumb" shall be used to handle and install
log vanes
A chain saw shall be available on site during construction
All required safety equipment shall be available during construction. Safety equipment
includes but is not limited to hard hats, chain saw chaps, gloves, and eye and hearing
protection.
7) SUPERVISION
The engineer must be on -site to supervise and inspect each operation as it is performed. No
work, which is covered by this specification, shall be performed in the absence of the engineer
except as approved by the engineer. The work shall be conducted as directed by the engineer.
The engineer shall be notified a minimum of 24 hours before installation is performed.
8) INSTALLATION
Excavate a trench into the bank to embed one end of the log vane. The top of the log vane at the
point where it enters the bank should normally be at approximately the "inter- berm" elevation
(inter -berm is approximately one half the distance between water surface and bankfull).
Excavate a trench in the streambed to embed the other end of the log vane. Place very large
cobble /small boulder size rocks (dependant upon stream size) on the end of the log to form a "J-
Hook" and to prevent the log from floating out of the streambed. Placing geotextile fabric filter
cloth on the side of the log toward the bank shall close any opening between the bottom of the
log and the streambed. This filter cloth should be nailed with large headed nails, such as roofing
nails, to the side of the log. The remaining filter cloth is to be draped down along side of the log
and onto the bed of the stream. Place streambed material back fill over the top of the filter cloth
to a point sufficient to stop all flow below the log. Note the process of installing the filter cloth
and backfill is best done concurrently. If an attempt is made to nail the filter cloth along the log
for the entire length before any backfill is placed, the filter cloth will tend to wash under the log.
If rocks are not available or are considered to be undesirable then, install a stake in the streambed
on the downstream side of the log vane. The stake should be at least six inches in diameter at the
smallest point. Sharpen the stake on one end and drive it into the streambed with the equipment
used to place the log vane. The stake should be as long as can possibly be driven into the
streambed. Any stake remaining above the top of the log vane after driving, shall be cut off to
within approximately 6 inches of the top of the log vane. Connect the log vane and stake with a
cable and cable clamps.
USDA -NRCS page 2 Log Vane
North Carolina October 2004

All excavation will be performed at the location, elevation, and orientation and to the dimensions
as directed by the engineer. (See figure 1)
Equipment that appears to be leaking fluids shall be removed to a safe site away from the stream
corridor until it is repaired and confirmed that no leaks exist.
9) ASSOCIATED PRACTICES
• ROCK VANES, CROSS VANES, J HOOKS, LOG VANES and related instream structures
planned as an integral component of the natural stream channel restoration design.
• CRITICAL AREA SEEDING shall be applied on all disturbed areas.
• WOODY VEGETATION shall be established on the sloped bank above bankfull and on top
of the bank.
• RIPARIAN FOREST BUFFER should be considered.
• LIVESTOCK EXCLUSION shall be installed if livestock are pastured in the area.
10) FIGURES
Figures attached to this specification illustrate the placement and orientation of the root wads.
Figures are as follows:
Figure 1 — Log Vane Cross Section
Figure 2 — Log Vane Plan View
USDA -NRCS page 3 Log Vane
North Carolina October 2004

Area between bottom of log
and streambed MUST be slUed
If log does not reach the
streambed, Install fabric filter
cloth, nailed to the log and
draped into the void and
back with streambed material.
bankfiull TOP OF LOG VANE SHALL
SLOPE DOWN AT 5% TO 7%
17 Normal Water Level J -Hook rocks
CRESS SECTIEN
L ❑G VANE STRUCTURE
Figure 1
DIREC r �(
ION EF FL W
r
----_P❑RTI ❑N BURIED
LOG VANE �'� IN STREAM BED
c `
�'� Strearnbank
i
PLAN VIEW
LEG VANE STRUCTURE
Figure 2
USDA -NRCS page 4 Log Vane
North Carolina October 2004

CONSTRUCTION SPECIFICATION
ROCK STRUCTURES
The work shall consist of the construction of natural rock or rock riprap structures
including rock vanes, J -hook vanes, rock cross vanes, cross vane rock weirs, and /or
step -pool structures. The work shall consist of furnishing, transporting and installing
materials to construct the rock structures in accordance with the plans and
specifications.
Materials
Individual rocks shall be dense, sound and free from cracks, seams, and other
defects. The rocks shall have a specific gravity of not less than 2.5. The size and
grading of the rock shall be as shown on the drawings. The dimensions of the rock
shall be 4 ft. long x 3 ft. wide x 2 ft. high. The dimensions may vary within +/- 1 foot.
Flat rocks are preferred since they are more adapted for the intended use. The
weight range of each rock should be between 1 and 3 tons. The source of rock
shall be identified and approved by the Engineer prior to delivery to the site. It is
anticipated that the rock will be a special order to obtain the specified sizes if the
rock is to be obtained from a quarry.
Subgrade Preparation
The subgrade surfaces on which the rock is to be placed shall be cut or filled and
graded to the lines and grades shown on the drawings. When fill is required, it shall
consist of approved materials that have been placed according to the Construction
Specification for Earthfill. The rock shall not be placed until the prepared subgrade
has been inspected and approved by the Engineer.
Placement
The rock shall be placed by equipment on the surfaces and to the depths specified.
The footer rock shall be placed first. If more than one footer rock layer is to be
placed, placement shall begin with the bottom layer and proceed in sequence until
all footer rock layers and the surface rock layer have been placed. A hydraulic
excavator equipped with a hydraulic thumb shall accomplish placement of the rock
in the structure unless otherwise approved by the Engineer.
The rock shall be placed in a manner to prevent damage to structures. Hand
placing will be required to the extent necessary to prevent damage to any structure.
All rock structures are designed to be installed on a 20 degree angle from the
channel bank toward the center of the stream. The grade, top and bottom, of the
structure gradually tapers down from the channel bank toward the center of the
stream. For the structure to work properly, the rock must be placed as shown on
the drawings unless directed otherwise by the Engineer.
NRCS -NC Page 1 of 1 2/99
Rock Structures AGJessup

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