HomeMy WebLinkAbout20170359 Ver 2_PCN Form Submission_20190826DR
02*10n of Water R"Ourc"
Pre -Construction Notification (PCN) Form
September 29, 2018 Ver 3
Initial Review
Has this project met the requirements for acceptance into the review process?*
r Yes
r No
Is this project a public transportation project?*
r Yes r No
Change only if needed.
BIMS # Assigned *
Version#*
20170359
2
Is a payment required for this project?*
* No payment required
What amout is owed?*
* Fee received
r $240.00
r Fee needed - send electronic notification
r $570.00
Reviewing Office* Select Project Reviewer*
Central Office - (919) 707-9000 Sue Homewood:eads\slhomemod
Information for Initial Review
1a. Name of project:
Loch Donnie Dredging, Island Enhancements, and Linville River Stabilization Project
1a. Who is the Primary Contact?*
Keven Arrance
1 b. Primary Contact Email:*
karrance@hazenandsawyer.com
Date Submitted
8/26/2019
Nearest Body of Water
Linville River
Basin
Catawba
Water Classification
C; Tr
Site Coordinates
Latitude:
36.101170
A. Processing Information
County (or Counties) where the project is located:
Avery
Is this project a public transportation project?*
r Yes r No
Longitude:
-81.852862
1a. Type(s) of approval sought from the Corps:
V Section 404 Permit (wetlands, streams and waters, Clean Water Act)
V Section 10 Permit (navigable venters, tidal waters, Rivers and Harbors Act)
1 b. What type(s) of permit(s) do you wish to seek authorization?
F Nationwide Permit (NWP)
F- Regional General Permit (RGP)
P Standard (IP)
1c. Primary Contact Phone:*
(919)522-4269
1c. Has the NWP or GP number been verified by the Corps?
r Yes r No
1d. Type(s) of approval sought from the DWR:
R 401 Water Quality Certification - Regular r 401 Water Quality Certification - Express
F Non -404 Jurisdictional General Permit r Riparian Buffer Authorization
F Individual Permit
1e. Is this notification solely for the record because written approval is not required?
For the record only for DWR 401 Certification: r Yes r No
For the record only for Corps Permit: r Yes r No
1f. Is this an after -the -fact permit application?*
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
Acceptance Letter Attachment
1h. lathe project located in any of NC's twenty coastal counties?
r Yes r No
1j. Is the project located in a designated trout watershed?
r Yes r No
B. Applicant Information
1d. Who is applying for the permit?
rJ Owner r Applicant (other than owner)
1e. Is there an Age nVConsultant for this project?
r Yes r No
2. Owner Information
2a. Name(s) on recorded deed:
Grandfather Golf & Country Club
2b. Deed book and page no.:
001781743,003000866
2c. Responsible party:
Alan Shuping, Director of Facilities and Infrastructure
2d. Address
Street Address
2120 Highway 105 South
Address Line 2
aty
Linville
Fbstal / Zip Code
28646
2e. Telephone Number
(828)898-4531
2g. Email Address:*
ashuping@grandfatherclubnc.com
2a. Name(s) on recorded deed:
GFGCC Common Area for Condos Wilmor Corp
2b. Deed book and page no.:
00770818,00780001,00720338,00720114,000740648,00732294,00741559,00820964,
00821618, 00892002, 00891974, 00891717, 00850387, 00821968, 01110055, 01050009
2c. Responsible party:
Alan Shuping, Director of Facilities and Infrastructure
2d. Address
State / Province / legion
NC
Q�untry
USA
2f. Fax Number:
Street Address
Loch Donnie Dr
Address Lim 2
City
Linville
Postal / Zip Code
28646
2e. Telephone Number:
(828)898-4531
2g. Email Address:*
ashuping@grandfatherclubnc.com
2a. Name(s) on recorded deed:
James and Barbara Goodmon
2b. Deed book and page no.:
004730347
2c. Responsible party:
2d. Address
Street Address
192 Woodchuck Rd
Address Line 2
aty
Linville
Postal / Zip Code
28646
2e. Telephone Number:
(919)781-7625
2g. Email Address:*
jgoodmon@cbc-raleigh.com
State / Province / Flegm
NC
Country
USA
2f. Fax Number:
State / Province / Fegion
NC
Country
USA
2f. Fax Number:
C. Project Information and Prior Project History Q
1. Project Information
1b. Subdivision name:
(If appropriate)
1c. Nearest municipality/town:
Linville, NC
2. Project Identification
2a. Property Identification Number:
185600778135,185600783560,
185600862336,185600676030,
185600676104,185600676583,
185600678656,185600679592,
18560079785,18560079976,
185600772908,185600773971,
185600781236,185600782309,
185600783201,185600784017,
185600784297, 185600785550, 2b. Property size:
185600786847,185600675394 23
2c. Project Address
Street Address
2120 Highway 105 South
Address Line 2
City
State / Province / Region
Linville
NC
Postal / Zip Code
Country
28646
USA
3. Surface Waters
3a. Name of the nearest body of water to proposed project:*
Linville River
3b. Water Resources Classification of nearest receiving water:*
C; Tr
3c. What river basin(s) is your project located in?*
Catawba
3d. Please provide the 12 -digit HUC in which the project is located.
030501010301
4. Project Description and History
4a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application:*
The project area is located within the Grandfather Golf and Country Club. Loch Donnie is a manmade impoundment on the Linville River, a designated public mountain trout stream.
Loch Donnie and the Linville River within the project area has accumulated a significant amount of sediment due to years of deposition. There are six uninhabited islands and one
inhabited island within Loch Dornie that are experiencing bank erosion on steep banks. There are seven pedestrian bridges within the project area; two of the bridges support sanitary
sewer lines, which are hung on the substructure of the bridges. One of the bridges has been closed due to imminent risk of catastrophic failure. The closed bridge is one of the two
bridges that supports a sanitary sewer. Failure of the bridge structure would result in loss of the supported sewer and spillage of raw sewage into the Linville River.
Land use of the project vicinity includes the golf course, administrative and recreational buildings associated with the golf course and country club, other recreational areas, residential
properties, and undeveloped forested areas. Recreational facilities and areas include a clubhouse, maintained lawn areas, a beach area adjacent to Loch Dornie, and a walking path.
Residential development includes single-family and multi -family units around Loch Dornie and multi -family units on the inhabited island in Loch Dornie.
4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?*
O Yes r No G Unknown
4c. If yes, please give the DWR Certification number or the Corps Action ID (exp. SAW -0000-00000).
The project was previously reviewed under USACE Action ID SAW -2017-01373 and DWR# 20170359. The permit was withdrawn, pending design modifications, prior to a permit
decision by USACE. The design has been modified and is herein resubmitted for regulatory review.
Project History Upload
GrandfatherlPapp_June2017withPNcomments. pdf
7.67MB
4d. Attach an 8 1/2X 11 excerpt from the most recent version of the USGS topographic map indicating the location of the project site. (for DWR)
Figure 1 - Topo.pdf
3.19MB
4e. Attach an 8 1/2 X 11 excerpt from the most recent version of the published County NRCS Soil Survey map depicting the project site. (for DWR)
Soil Survey 2005 - sheet14_l.pdf 723.23KB
4f. List the total estimated acreage of all existing wetlands on the property:
0.01
4g. List the total estimated linear feet of all existing streams on the property:
967
4h. Explain the purpose of the proposed project:*
The primary purposes of the project are (1) to dredge accumulated sediments from the Linville River and Loch Dornie, (2) to improve unstable river banks and lake shoreline areas, (3)
replace pedestrian bridges that have become unsafe and hazardous, and (4) protection of sanitary sewer assets. Secondary purposes include (5) enhancing the lake shoreline, (6)
improving safety and enjoyment for pedestrians, and (7) reduce future maintenance needs.
41. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*
The proposed project is located within the Grandfather Golf and Country Club (GGCC), which is located along Highway 105 South, southwest of Boone, and north of Linville. The
project is located within parcels owned by GGCC, the GGCC Common Area for Condos Wilmor Corp, and one private owner. Within the project area, jurisdictional waters of the US
consist of the Linville River and an impoundment of the Linville River, herein referred to as Loch Dornie. The Linville River, including Loch Dornie, is a designated public mountain trout
water.
The proposed project consists of numerous enhancements within the GGCC property. The primary goal of the project is to remove accumulated sediments from within Loch Dornie and
the Linville River channel while providing bank and shoreline stabilization. The project components include dredging accumulated sediments, reconstruction of uninhabited islands in
Loch Donnie, removal of seven pedestrian bridges and replacement of five of the seven bridges, sanitary sewer replacement and protection, bank and shoreline stabilization,
construction of a new event lawn and pedestrian path, and erosion and sediment control measures in the environmental release channel (Figure 4).
Loch Donnie has received sediments from areas upstream of the GGCC property that have been transported by the Linville River and deposited in the lake when water flows slowed.
The sediments are proposed to be dredged from the lake and reused onsite for shoreline stabilization. Additionally, in the upper portion of the lake, Loch Dornie is split into narrow lake
canals that are referred to as the "east channel' and the "west channel'. At the split, a large amount of cobble has been deposited by the river and is altering the flow patterns in the two
lake channels, occasionally eliminating flows in the east channel. The cobble is proposed to be removed by dredging and reused onsite for shoreline stabilization.
Currently, there are six uninhabited islands in Loch Donnie. These islands are proposed to be removed or modified as part of the project. The uninhabited islands are characterized by
deteriorating shorelines. Four of the six islands are currently connected by pedestrian footbridges (Bridges A through E). GGCC proposes to remove or modify the six uninhabited
islands and construct two new uninhabited islands in approximately the same location in Loch Dornie. The two new, larger islands will be connected by three new pedestrian footbridges
(Proposed Bridge #1, #2, and #3). The footbridges will be made of fiber reinforced plastic (FRP) with concrete bridge abutments at each end. Bridges #1 and #2 will span the waterway
and avoid permanent impacts to the lake and lakebed. Bridge #3 will consist of three 60 -foot long sections that will require two support piers to be constructed in the lake. Three options
for the piers have been designed; the option selected shall depend on the foundation conditions encountered during construction. Dependent upon geotechnical conditions, the piers
Wil consist of either treated wooden piles driven to depth adequate for support, or concrete supports or wooden piles anchored into a cast -in-place concrete. The two piers are
assumed to be 15 feet tall and 2.5 to 2.5 feet wide. The long dimension will be 9.5 feet at the top and roughly 18 feet at the base. The dimensions of two cast -in-place concrete bases to
establish a level foundation for each pier are assumed to be 22 feet long, 7 feet wide, and 2 feet deep.
The new islands will be constructed with gentler sloping shorelines that are designed to be more stable and withstand greater sheer stresses than the current shorelines. Fill materials
used to construct the two new islands are anticipated to consist of suitable dry borrow material, dredged lakebed and cobble materials from within the project area. The shorelines will
be landscaped and planted to improve the resiliency and stability of the new land surface. The large island is proposed to be 0.61 acre in size, and the small island is proposed to be
0.26 acre in size.
Within the project area, there are a total of seven existing pedestrian bridges (Bridges A through G). Five of the existing bridges (Bridges A through E) connect land on either side of
Loch Dornie with the aforementioned five uninhabited islands. Bridge F connects land along the western shore of Loch Dornie with the inhabited island that is situated between the west
and east channels of the upper Loch Dornie. Bridge G spans the Linville River immediately upstream of the west and east channel split. Bridge G has been closed to users due to its
lack of structural integrity and severe risk of structural failure. Bridges F and G are proposed to be replaced. Bridge F is proposed to be replaced in place with Bridge #4. Bridge G is
proposed to be replaced by Bridge #5 and will be adjusted slightly from the alignment of the existing bridge in order to simplify sanitary sewer reconnection.
There are three segments of sanitary sewer pipes that need replacement or protection. Two segments are currently attached to the substructure of Bridges F and G described in the
preceding paragraph. These two sanitary sewer pipes will be replaced in-kind and in similar fashion. The new sewers will be attached to the substructure of the new bridges. As the
alignment and length of Bridge F is to remain unchanged, the associated 6 -inch diameter sewer will also be replaced with the same length of pipe as is present. As Bridge G will be
realigned from its current position, the associated 8 -inch diameter sewer will likewise be extended. With 96 feet of existing sewer being replaced with 105 feet of new sewer. The third
sanitary sewer segment is proposed to be protected. The third segment consists of an exposed pipe crossing the Linville River in the northern most portion of the project area.
Protection of the sewer is proposed to be accomplished by construction of a grade control sill (GCS) around the pipe. The GCS consists of rock that will be placed to protect the 8 -inch
diameter pipe across the full width of the river.
Bank and shoreline stabilization measures are proposed along reaches of the Linville River, the east and west lake channels of Loch Dornie, and Loch Dornie. A total of eight locations
are proposed for bank or shoreline stabilization, not including the previously described island construction and associated shoreline stability design. Bank stabilization (BS) #1 is located
within the Linville River in the upstream most portion of the project area. BS #1 consists of construction of a 208 foot long imbricated rock wall along the west bank of the river, regrading
the east bank of the river to create a floodplain bench, and installation of 5 GCSs in the bed of the river. BS #2 is Ionated along the west bank of the Linville River immediately
downstream of Bridge G. The BS #2 location is immediately upstream of the transition from flowing river to impounded open water area. Stabilization of the BS #2 site consists of
constructing an imbricated rock wall along 80 feet of the west bank of the river that will tie into an existing stacked rock wall and will match the existing bank surface. The imbricated rock
wall is needed to provide structural support to a very steep bank adjacent to a building. BS #2 will also protect the new bridge and sanitary sewer manhole from hazards associated with
future erosion of the stream bank.
BS #3 and #4 are associated with the shoreline along the inhabited island in Loch Dornie. BS #3 is located along the west bank of the east lake channel. The BS #3 site has nearly
vertical banks and is at high risk of undermining the structural integrity of private residences on the island if left in its current condition. BS #4 is located along the south bank of the
inhabited island and is located where the east and west lake channels converge in Loch Dornie. Due to the current geometry and location of the bank at the BS #4 site, the conditions
are appropriate to allow the development of eddies during times of high flows. BS #4 is needed to protect private residential structures, provide increased shoreline stability, and
improve accessibility and safety along the south end of the inhabited island.
BS #5 and #6 are located along the western shore of Loch Dornie. BS #5 consists of construction of a littoral shore and retention of the existing location of the lake's edge of water. BS
#6 includes backfilling the site to smooth the line of the shore and reduce shoreline slope to reduce the risk of future erosive forces along the segment of shoreline. BS #6 involves
shifting the edge of water eastward.
BS #7 and #8 are located along the eastern shore of Loch Dornie. BS #7 is located near the downstream end of the east lake channel of upper Loch Dornie. BS #7 is triangular in
shape and shows evidence of ongoing erosion of the existing shoreline. The area has a history of maintenance issues, primarily related to the steep slope above normal pool elevation
and the frequent sediment deposition. The area is proposed to be backfilled, shifting the edge of water to the southwest. Within the BS #7 area, an existing stormwater pipe discharges
into Loch Dornie. The pipe is proposed to be extended by 105 feet through the area to be backfilled in order to retain the existing discharge into the lake. BS #4, #6, and #7 have been
designed to encourage water movement that is anticipated to promote self -maintenance of the newly dredged areas, thereby reducing future maintenance needs.
BS #8 is located adjacent to the existing clubhouse on the eastern shore of the lake. The shoreline at the BS #8 site is proposed to be extended into the lake. The northern portion of
the BS #8 site is to be graded with gentler slopes than are currently present, and the southern section of BS #8 site is proposed to be stabilized with a concrete retaining wall. The area
around BS #8 is often used by residents and visitors to GGCC and presents a hazard due to the steep, abrupt slopes and ongoing erosion. The design of BS #8 provides for shoreline
stabilization and pedestrian safety as well as the construction of an event lawn. The event lawn will provide an outdoor space for recreation and gatherings with the scenic lake as a
backdrop.
The proposed enhancements of the GGCC property include path improvements for an approximately 1,300 -foot long, 6 -foot wide pedestrian path along the west side of Loch Dornie.
The current path is maintained grass, follows the existing sanitary sewer alignment and is occasionally used for maintenance access. The proposed pedestrian path improvements will
connect the club's administrative offices, fitness center and recreation area to multiple residences and condos surrounding upper Loch Dornie as well as the island bridges that connect
over to the clubhouse. An additional 200 feet of pedestrian path improvements will connect Loch Dornie Drive to proposed Bridge#4 and extend briefly east of Bridge #4 on the
inhabited island. The path is proposed to consist of compacted subgrade with 4 -inch deep compacted aggregated base topped with 4 -inch thick granite screenings. The edges of the
path will be maintained in perpetuity by 6 -inch tall aluminum edging that will be held in place by 12 -inch long aluminum stakes. Presently, pedestrians share the paved roadways with
vehicular traffic. The roads are two-lane facilities with narrow, vegetated shoulders, presenting a safety concern for pedestrians. The proposed pedestrian path will provide a safe
alternative to sharing the road as well as a more scenic, aesthetically pleasing route.
Loch Dornie discharges water over the spillway, located at the southeastern corner of the lake, and through an environmental release pipe. GGCC is required to maintain a minimum
flowthrough the environmental release pipe to support aquatic life in the Linville River downstream of the Loch Dornie dam. To accommodate the proposed in -water work of the project,
the lake will be drawn down to establish dry work areas, which will result in no water passing over the spillway and the only flows from the lake being through the environmental release
pipe. Water diversion and erosion and sedimentation control measures will be in place to protect water quality. During large storm events, however, water in the lake is expected to rise
and be characterized in higher than normal turbidity due to suspended sediments. In order to protect downstream water quality during the lake draw -down period, the project also
includes an additional level of treatment that is the placement of erosion and sediment control measures below the dam in the environmental release channel. These measures consist
of floc logs or blocks to introduce polyacrylamide and coir log rolls to trap suspended sediments.
Erosion and sediment control measures will be implemented and maintained in good condition throughout the construction period. Measures shall include silt fencing along the
downgradient limits of disturbance, turbidity curtains in Loch Dornie immediately downstream of the work areas and immediately upstream of the spillway, and floc logs and coir log rolls
in the environmental release channel. Additionally, all work conducted in the river or lake will be performed in dry work conditions. The river will be diverted away from active construction
areas and will be conveyed via gravity diversion pipes as needed to ensure dry work zones. The lake will be drawn down at the commencement of construction in order to establish dry
work areas to accommodate the proposed lake dredging, island reconstruction, and shoreline stabilization.
Construction access to the construction area will be provided by the existing roads at the GGCC. Vehicular and equipment access within the limits of disturbance shall be provided via
existing access paths, stabilized construction entrances, and temporary access paths. The temporary access paths are proposed to be constructed of Geoterra structural mats or
similar construction matting. The access paths will generally be 12 feet wide and located in upland areas. Four points of direct stream or lake access or crossing are proposed along the
access paths, and all other stream crossings coincide with existing site access paths and existing culverts. Stabilized construction entrances shall be installed where temporary access
paths intersect the existing paved roadways. Stabilized construction entrances will consist of a gravel pad measuring at least 50 feet in length, 12 feet in width, and 6 inches in depth.
The gravel will be placed on filter fabric. The construction entrance is to be inspected weekly and following each rainfall producing 0.5 inch or more of rain.
Indirect impacts may result from the proposed project. Potential indirect impacts include alterations of downstream water quality, temporary alteration of the aesthetic quality of the site,
and increased traffic within the GGCC property during construction. Downstream water quality will be protected by implementation of suitable stormwater Best Management Practices
(BMPs) and a project -specific approved erosion and sedimentation plan. The environmental release channel, which maintains minimum flows from the lake to the downstream reach of
Linville River, will provide protection to Linville River from suspended sediments and turbidity via temporary placement of flo9cculent blocks and coir logs/wattles at the outfall pipe inlet
and within the environmental release channel. The visual character of the GGCC will be temporary altered during construction. The aesthetic impact is part of the reason behind
scheduling construction during the off-season, allowing the number of residents and guests to be affected by the visual impact to be reduced in comparison to the number of people
onsite during GGCC's season. Winter scheduling also minimizes the effects of increased traffic associated with construction as there are fewer vehicles onsite during the winter months.
The proposed construction schedule was developed, giving consideration to restrictions associated with encroachment into trout waters and buffers along trout waters as well as the
dates of the GGCC off-season. The trout waters and buffer time -of -year restriction is herein requested to be adjusted via WRC variance to allow in -water work and land disturbance
within the protected buffer beginning on January 1. Work is proposed to begin in November and be completed by April 30.
During the months of November and December, work is proposed to consist of site preparation and other activities upgradient of the landward limit of the trout buffer, which is 25 feet
wide and abuts the top of bank of the Linville River and Loch Dornie. These activities include installation of stabilized construction entrances and staging areas in high ground,
disassembling of existing wood bridge structures, replacement of existing Bridge G with proposed Bridge #5, and construction of a retaining wall section in high ground by the
clubhouse. Bridge #5 will be assembled on high ground immediately adjacent to the proposed location then lifted into place using a crane. January 1, in -water work and buffer -disturbing
work is proposed to commence. This work shall consist of major grading, dredging, and wall construction, and is expected to occur over a three-month period, ending on or about March
31. Final stabilization measures, bridge construction, and landscaping is one month, occurring from April 1 to April 30.
Construction equipment is anticipated to include large excavators, bulldozers, and dump trucks. Small skid steer loaders are expected to be utilized onsite as well. A crane is proposed
to be used for placing some of the bridge structures. Additionally, jackhammers or similar equipment may be used, if found to be necessary, where bedrock is encountered. A pile driver
may be used to install proposed bridge piers.
4j. Please upload project drawings for the proposed project.
COMBINED_HS-STEWART_75%.pdf 102.86MB
5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the property or proposed impact areas?*
F Yes
Comments
C' No
O Unknown
5b. If the Corps made a jurisdictional determination, what type of determination was made?*
C Preliminary r Approved r Not Verified r Unknown G N/A
Corps AID Number:
The Corps has not made a jurisdictional determination for the subject project.
Sc. If 5a is yes, who delineated the jurisdictional areas?
.......... .........._
Name (if known): Keven Arrance
Agency/Consultant Company: Hazen and Sawyer
Other:
5d1. Jurisdictional determination upload
6. Future Project Plans
6a. Is this a phased project?*
r Yes s No
Are any other NWP(s), regional general permit(s), or individual permits(s) used, or intended to be used, to authorize any part of the proposed project or related activity?
No.
D. Proposed Impacts Inventory
1. Impacts Summary
1a. Where are the impacts associated with your project? (check all that apply):
F Wetlands W Streams -tributaries F Buffers
W Open Waters F Pond Construction
3. Stream Impacts
31. Total jurisdictional ditch impact in square feet:
0
3i. Total permanent stream impacts: 31. Total temporary stream impacts:
279 71
3i. Total stream and ditch impacts:
350
3j. Comments:
4. Open Water Impacts
4 S tea #
L1
3a. Reason for impact (?)
3b.lmpact type
3c. Type of impact*
3d. S. name *
3e. Stream Type *
3f. Type of
3g. S. width *
3h. Impact
❑
Loch Dornie
Fill
Lake
1.07
(?)
Jurisdiction*
P
length*
S1
Sanitarysewer rotection
P
Permanent
Stabilization
Linville River
Perennial
Corps28
6
Avarage (feet)
(Ir�rfeet)
S2
Bank stabilization #1
Permanent
Bank Stabilization J
Linville River
Perennial
Corps33
208
Average (feet)
(linear feet)
S3
Construction access for S2
Temporary
Excavation
Linville River
Perennial
Corps
33
12
Average (fee[)
(lir�rfeet)
S4
Grade control sills 4
()
Permanent
Stabilization
Linville River
Perennial
Cors
P
33
65
Average (feet)
(Gr�rfeet)
S5
Bank stabilization #2
Tem ora
p rY
Bank Stabilization
Linville River
Perennial
CorPs
28
54
Average (feet)
(Grpfeet)
S6
Bridge and sewer
Temporary
Other
J
Linville River
Perennial
Corps
I
28
5
replacement
Average (feet)
(linear feet)
31. Total jurisdictional ditch impact in square feet:
0
3i. Total permanent stream impacts: 31. Total temporary stream impacts:
279 71
3i. Total stream and ditch impacts:
350
3j. Comments:
4. Open Water Impacts
4 S tea #
L1
4a1. Impact Reason
Dredging accumulated
sediments
4b. Impact type
P
4c. Name of waterbody
Loch DornieDredging
4d. Activity type
4e. Waterbody type
Lake
4f. Impact area
5.92
L2
Island construction
P
Loch Dornie
Fill
Lake
1.07
L3
Shoreline stabilization
P
Loch Dornie
Stabilization
Lake
1.12
L4 Dewatering and �TDewateringLoch Dornie Lake 4.60
turbidity curtain
L5 Bridge pier footing P —11 Loch Dornie Fill Lake 0.01
4g. Total temporary open water Impacts: 4g. Total permanent open water impacts:
4.60 8.12
4g. Total open water impacts:
12.72
4h. Comments:
Impact Site 1_1 - The calculated volume of material to be dredged is 25,118 cubic yards.
Impact Site L2 and L3 - The calculated volume of dredged material to be used for island reconstruction and bank/shoreline stabilization is 7,238 cubic
yards.
Impact Site L3 includes BS #3 through BS #8.
Impact Site L5 includes 308 square feet (0.007 acre).
E. Impact Justification and Mitigation
1. Avoidance and Minimization
Ia. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project:
Full avoidance of impacts can only be accomplished with a no -build alternative, which leaves bridges in imminent danger of collapse, risks a failure of
sanitary sewer pipelines and associated spillage of raw sewage into the Linville River, and allows the effects of accumulated sediments to remain and
continue to increase. The effects of accumulated sediments include restriction of flow, potential increase in water temperature, excessive growth of
vegetation in shallow lake areas, and possibly increased sedimentation downstream during high flows.
Stormwater Best Management Practices (BMPs) have been included in the project design to ensure that water quality is protected during construction.
BMPs include silt fencing with stone outlets, turbidity curtains downstream of work area and upstream of the lake spillway, and routine inspection and
maintenance of erosion and sediment control measures.
Shoreline stabilization has been designed to be resilient to high flows that are characteristic of the project vicinity. Shoreline and bank stabilization
measures will protect downstream water quality by reducing eroded sediments in the waterway and by providing vegetated shore areas that will
facilitate nutrient and sediment removal from stormwater prior to entering the waterways. Additionally, the island reconstruction and shoreline
stabilization components have been designed to improve flow patterns through the lake and encourage more favorable sediment transport and
sediment deposition patterns, which will help to minimize future maintenance dredging needs and eliminate offsite disposal of dredged materials.
The construction schedule has been set to restrict in -water work during trout spawning period, allowing in -water work and land disturbance within the
25 -foot trout waters buffer to commence no earlier than January 1. The construction schedule requires a variance from the NC Wildlife Resources
Commission (WRC), which is being requested for concurrent review. As a variance was previously authorized by WRC for the project, it is anticipated
that construction will be permitted to begin in January.
Lake and river access points and/or crossings will be provided by eAsting access paths and four temporary construction access paths. The access
plan strikes a balance between minimizing the number of access points and crossings and minimizing excessive vehicular and equipment movements
within the lake and river beds.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:
All in-vater work will be performed under dry conditions. Dry work areas will be established using stream diversions to direct river flows into the west or
east channel as needed, draw -down of the lake by 8 feet, gravity -fed piped conveyance of river flows through work areas, and a siphon and pump
system to maintain the lake drawdown. The siphon and pump system will be installed at the downstream end of the lake and will be used to temporarily
dewater the lake, pumping water over the lake spillway as needed to maintain the lake drawdown.
All cast -in-place concrete work shall be performed in dry conditions. All necessary measures will be taken to ensure that surface waters do not contact
wet concrete.
Turbidity curtains will be installed at two locations in the lake. A pair of turbidity curtains will be installed immediately upgradient of the northern edge of
water during lake drawdown to capture suspended sediments at the downgradient edge of the work area associated with the dredging and island
reconstruction. A turbidity curtain will be installed between the edge of water during lake drawdown and the siphon and pump system that will be
placed at the lake spillway.
Silt fencing with stabilized outlets will be installed along the downgradient edge of upland work areas. The silt fence will be inspected regularly and
maintained as needed to ensure efficacy.
Dredging methods were evaluated for the proposed project. Hydraulic dredging of the lake and river bed was considered but determined to not meet
the needs of the project. The time required to remove the necessary volume of material and the cost associated with hydraulic dredging would result
in extending the construction schedule into the GGCC's in -season time and roughly doubling the cost for the dredging.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State?
r Yes r No
2b. If this project DOES NOT require Compensatory Mitigation, explain why:
F. Stormwater Management and Diffuse Flow Plan (required by DWR)
1. Diffuse Flow Plan
Ia. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules?
O Yes 6 No
If no, explain why:
Project is located in the Catawba River basin, along the Linville River. The area is not subject to the NC Riparian Buffer Protection Rules.
2. Stormwater Management Plan
2a. Is this a NCDOT project subject to compliance with NCDOT's Individual NPDES permit NCS000250?*
r Yes f. No
2b. Does this project meet the requirements for low density projects as defined in 15A NCAC 02H .1003(2)?
r Yes r No
Comments:
G. Supplementary Information
1. Environmental Documentation
1a. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federallstate) land?*
r Yes r No
2. Violations (DWR Requirement)
2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), or DWR Surface Water or Wetland Standards or
Riparian Buffer Rules (15ANCAC 2B.0200)?*
r Yes r No
3. Cumulative Impacts (DWR Requirement)
3a. Will this project result in additional development, which could impact nearby downstream water quality?*
r Yes r No
3b. If you answered "no," provide a short narrative description.
The project constitutes maintenance and repair of eAsting lands and infrastructure. No increase in capacity of services is provided, and no new areas
Will be made available to support future development.
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
r Yes f. Nor N/A
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or habitat?*
r Yes r No
Sb. Have you checked with the USFWS concerning Endangered Species Act impacts?*
f Yes r No
5d. Is another Federal agency involved?*
r Yes r No
5e. Is this a DOT project located within Division's 1-8?
r Yes r No
5f. Will you cut anytrees in order to conduct the work in waters of the U.S.?
r Yes r No
5g. Does this project involve bridge maintenance or removal?
r Yes r No
59(1). If yes, have you inspected the bridge for signs of bat use such as staining, guano, bats, etc.?
r Yes r No
If you answered "Yes" to 5g(1), did you discover any signs of bat use?
r Yes r No r Unknown
Sh. Does this project involve the construction/installation of a wind turbine(s)?*
C Yes r No
r Unknown
51. Does this project involve (1) blasting, and/or (2) other percussive activities that will be conducted by machines, such as jackhammers, mechanized pile drivers, etc.?
r Yes r No
If yes, please provide details to include type of percussive activity, purpose, duration, and specific location of this activity on the property.
Percussive Activities.pdf 42.66KB
5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat?
A Hazen biologist reviewed the habitat requirements for each federally listed species and assessed the availability of suitable habitat within the project
vicinity. Habitat is available within or surrounding the project area for northern long-eared bat. Trees and bridges are proposed to be removed as part
of the project. However, all demolition and site clearing work is proposed to be completed during winter months, which is during the northern long-
eared bat hibernation period. Therefore, no impacts to the species are anticipated to result from the project.
Consultation Documentation Upload
IPaC_20190818.pdf 946.13KB
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as an Essential Fish Habitat?*
C Yes r No
6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?*
Online mapper of essential fish habitat was reviewed relative to the project vicinity.
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status?*
C Yes O No
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?*
HPOWEB GIS Service was reviewed most recently on August 18, 2019. The nearest potentially historic resource is the Blue Ridge Parkway, located
more than 7,000 feet from the project area at the nearest point. The Blue Ridge Parkway has been determined eligible for listing on the NRHP. The
project will not be visible from or alter the viewshed of the Blue Ridge Parkway as Grandfather Mountain is situated between the project and the Blue
Ridge Parkway.
7c. Historic or Prehistoric Information Upload
HPOWEB_20190818.pdf 332.01 KB
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA -designated 100 -year floodplain?*
O Yes C No
8b. If yes, explain how project meets FEMA requirements:
A No -Rise evaluation was conducted and submitted to local floodplain manager and FEMA that demonstrates that the grade changes to the project
area (lake dredging, island removal/relocation, bank stabilization) do not impact the base flood elevations, floodway elevations or widths, and stream
velocities as published by FEMA in the Preliminary Flood Insurance Rate Map No. 3710185600J, published December 2, 2008, and the corresponding
Preliminary Flood Insurance Study 37011 CV000, revised December 3, 2009.
8c. What source(s) did you use to make the floodplain determination?*
FEMA FIRM Panel 3710185600J, effective December 2, 2008 was reviewed.
Miscellaneous
Comments
Directions to site:
From Asheville, Take 1-40 east to exit 72 for US -70 toward Old Fort/Mountain Gateway Museum. Follow US -70 east to NC -183 south toward Pineola. In 4.5 miles, turn left onto NC -181
north. Take a slight right onto US -221 north. In 3.6 miles, turn left onto NC -105 north. Continue 2.2 miles, and the Grandfather Golf and Country Club entrance is on the right.
Miscellaneous attachments not previously requested.
3710185600J.pdf
262.13KB
Figure 2 - Project Vicinity.pdf
2.54MB
Figure 3 - Waters of the US.pdf
2.58MB
Figure 4 - Proposed Project Layout.pdf
3.28MB
Figure 5a - Impacts Map.pdf
136.19KB
Figure 5b - Impacts Map.pdf
116.9KB
Signature
[a By checking the box and signing below, I certify that:
• I have given true, accurate, and complete information on this form;
• I agree that submission of this PCN form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act");
• I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act");
• I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature; AND
• I intend to electronically sign and submit the PCN form.
Full Name:
Keven Arrance
Signature
Date
8/26/2019
AGENT AUTHORIZATION FORM
PROPERTY LEGAL DESCRIPTION:
The Grandfather Golf and Country Club proposes to perform dredging, island creation, and shoreline
stabilization in and along the Linville River within the GGCC property. The property is located at
2120 Highway 105 South, Linville, Avery County, North Carolina.
STREET ADDRESS: 2120 Highway 105 South
PROPERTY OWNER: Grandfather Golf and Country Club; GFGCC Common Area for Condos
Wi/mor Corp;lames and Barbara Goodmon
The undersigned, Alan shuping, Director ofFacilities andlnfrastructure, does hereby authorize
Keven Arrance o f Hazen and sawyer
(Contractor / Agent) (Name of consulting firm)
to act on my behalf and take all actions necessary for the processing, issuance and acceptance of
this permit or certification and any and all standard and special conditions attached, excluding any
and all financial obligations.
SIGNATORIES ADDRESS:
Grandfather Golf and Country Club
PO Box 368
Linville, NC 28646
Telephone: 828.898.4531
I hereby certify the above information submitted in this application is true and accurate to the
best of our knowledge.
Authorized
Date: l 1- A'01 n
Project Area
2,000 0 2,0001,000 Feet Figure 1: USGS Topographic MapLoch Dornie Dredging, Island Enhancements,and Linville River Stabilization ProjectGrandfather Golf and Country ClubLinville, NC1 inch = 2,000 feet®
Project Area
300 0 300150 Feet Figure 2: Project Vicinity MapLoch Dornie Dredging, Island Enhancements,and Linville River Stabilization ProjectGrandfather Golf and Country ClubLinville, NC1 inch = 300 feet®
Project Area
300 0 300150 Feet Figure 3: Waters of the US MapLoch Dornie Dredging, Island Enhancements,and Linville River Stabilization ProjectGrandfather Golf and Country ClubLinville, NC1 inch = 300 feet®
Linville River
West Channelof Loch Dornie East Channelof Loch Dornie
Loch Dornie
Linville River
Loch Dornie Spillway
Sanitary Sewer Protection(Grade Control Sill #5)
BS #1
Grade Control Sills #2 - 5Grade Control Sills #1 - 4
Construction Access Path
Construction Access Path
Bridge #5 andSewer Pipe Replacement
BS #2
Bridge #4 andSewer Pipe Replacement
BS #3
BS #4
BS #5
BS #6
BS #7
BS #8
Pedestrian Path
Bridge #1
Bridge #2
Bridge #3
LargeIsland
SmallIsland
Stormwater Pipe Extension
Temporary Siphon/Pump Systemfor Dewatering Loch Dornie
Erosion and Sediment ControlEnvironmental Release Channel
200 0 200100 Feet
300 0 300150 Feet Figure 4: Proposed Project LayoutLoch Dornie Dredging, Island Enhancements,and Linville River Stabilization ProjectGrandfather Golf and Country ClubLinville, NC1 inch = 300 feet®
Impact S2 - Bank Stabilization208 Feet of Permanent ImpactImbricated Rock Wall
Impact S5 - Bank Stabilization54 Feet Temporary ImpactInstall Embedded Imbricated Rock Wall
Impact S1 - Sewer Protection6 Feet of Permanent Impact
Impact L4 - Dewatering and Turbidity Curtains4.60 Acres of Temporary Impact
200 0 200100 Feet Figure 5a: Impacts MapLoch Dornie Dredging, Island Enhancements,and Linville River Stabilization ProjectGrandfather Golf and Country ClubLinville, NC1 inch = 200 feet®
Impact S3 - Temporary Construction Access12 Feet of Temporary ImpactExcavation to Install Imbricated Rock Wall
Impact S4Grade Control Sills65 FeetPermanent Impact
Impact S6 - Maintenance5 Feet of Temporary ImpactReplace Bridge #5and Sanitary Sewer
Impact L1 - Dredging5.92 Acres of Permanent Impact
Impact L2 - Island Construction1.07 Acres of Permanent ImpactImpact L2 - Island Construction1.07 Acres of Permanent Impact
Impact L3 - Shoreline Stabilization1.12 Acres of Permanent Impact(BS #3 - BS #8)
Impact L5 - Bridge Footings (Fill)0.007 Acre of Permanent Impact
Impact L4 - Dewatering and Turbidity Curtains4.60 Acres of Temporary Impact
200 0 200100 Feet Figure 5b: Impacts MapLoch Dornie Dredging, Island Enhancements,and Linville River Stabilization ProjectGrandfather Golf and Country ClubLinville, NC1 inch = 200 feet®
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44117LAF2LMKGC>O@OCLD9LMOF1@MLIGK@2;?"3NMG"53=3"4@MJGK"691=3839?<"94/"9=<LGKON9=6KBGQGBP@I7GNOGKE9=7GNOGKE"4LKC9=521CKOCM<LGKO9=0LPKB@MGCN9@OGLK@I=CEGNOCM0LPKB@MR0LPKB@MRLD2CNOMLRCB$=CJLQCB9=7GNOGKE>7<LGKON>76KBGQGBP@I3KOMR>7@KB2;3CKOMR/PEPNO&,"’%&-%%#)*%#-%#’(JGJG%%#+&#)%#(*HJHJ&.(’"+&&
G.5i. If yes, please provide details to include type of percussive activity, purpose, duration, and specific
location of this activity on the property.
Blasting is not proposed to occur as part of construction of the proposed project. Jackhammers or
similar equipment may be used, if necessary, where bedrock is encountered. Pile drivers may be used
for placement of proposed bridge piers. The duration of these operations will be determined upon rock
location, depth, and hardness. It is anticipated that jackhammers or similar equipment may be used to
assist grading activities, particularly in the bank stabilization areas. Pile drivers may be used in the
vicinity of proposed bridge #3. Consideration of nearby structures will be given to ensure that
percussive activities do not compromise the structural or visual integrity of existing structures.
IPaC resource list
This report is an automatically generated list of species and other resources such as critical habitat
(collectively referred to as trust resources) under the U.S. Fish and Wildlife Service's (USFWS)
jurisdiction that are known or expected to be on or near the project area referenced below. The list
may also include trust resources that occur outside of the project area, but that could potentially be
directly or indirectly affected by activities in the project area. However, determining the likelihood and
extent of effects a project may have on trust resources typically requires gathering additional site-
specific (e.g., vegetation/species surveys) and project-specific (e.g., magnitude and timing of proposed
activities) information.
Below is a summary of the project information you provided and contact information for the USFWS
office(s) with jurisdiction in the defined project area. Please read the introduction to each section that
follows (Endangered Species, Migratory Birds, USFWS Facilities, and NWI Wetlands) for additional
information applicable to the trust resources addressed in that section.
Location
Avery County, North Carolina
Local office
Asheville Ecological Services Field Office
(828) 258-3939
(828) 258-5330
160 Zillicoa Street
Asheville, NC 28801-1082
http://www.fws.gov/nc-es/es/countyfr.html
U.S. Fish & Wildlife ServiceIPaCInformation for Planning and Consultation
Page 1 of 12IPaC: Explore Location
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Endangered species
This resource list is for informational purposes only and does not constitute an analysis of project
level impacts.
The primary information used to generate this list is the known or expected range of each species.
Additional areas of influence (AOI) for species are also considered. An AOI includes areas outside of the
species range if the species could be indirectly affected by activities in that area (e.g., placing a dam
upstream of a fish population, even if that fish does not occur at the dam site, may indirectly impact
the species by reducing or eliminating water flow downstream). Because species can move, and site
conditions can change, the species on this list are not guaranteed to be found on or near the project
area. To fully determine any potential effects to species, additional site-specific and project-specific
information is often required.
Section 7 of the Endangered Species Act requires Federal agencies to "request of the Secretary
information whether any species which is listed or proposed to be listed may be present in the area of
such proposed action" for any project that is conducted, permitted, funded, or licensed by any Federal
agency. A letter from the local office and a species list which fulfills this requirement can only be
obtained by requesting an official species list from either the Regulatory Review section in IPaC (see
directions below) or from the local field office directly.
For project evaluations that require USFWS concurrence/review, please return to the IPaC website and
request an official species list by doing the following:
1. Draw the project location and click CONTINUE.
2. Click DEFINE PROJECT.
3. Log in (if directed to do so).
4. Provide a name and description for your project.
5. Click REQUEST SPECIES LIST.
Listed species
and their critical habitats are managed by the Ecological Services Program of the U.S. Fish and Wildlife
Service (USFWS) and the fisheries division of the National Oceanic and Atmospheric Administration
(NOAA Fisheries ).
Species and critical habitats under the sole responsibility of NOAA Fisheries are not shown on this list.
Please contact NOAA Fisheries for species under their jurisdiction.
1. Species listed under the Endangered Species Act are threatened or endangered; IPaC also shows
species that are candidates, or proposed, for listing. See the listing status page for more
information.
2.NOAA Fisheries, also known as the National Marine Fisheries Service (NMFS), is an office of the
National Oceanic and Atmospheric Administration within the Department of Commerce.
The following species are potentially affected by activities in this location:
1
2
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Mammals
Arachnids
Flowering Plants
NAME STATUS
Carolina Northern Flying Squirrel Glaucomys sabrinus coloratus
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/2657
Endangered
Gray Bat Myotis grisescens
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/6329
Endangered
Northern Long-eared Bat Myotis septentrionalis
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/9045
Threatened
Virginia Big-eared Bat Corynorhinus (=Plecotus) townsendii
virginianus
There is final critical habitat for this species. Your location is outside the
critical habitat.
https://ecos.fws.gov/ecp/species/8369
Endangered
NAME STATUS
Spruce-fir Moss Spider Microhexura montivaga
There is final critical habitat for this species. Your location is outside the
critical habitat.
https://ecos.fws.gov/ecp/species/4801
Endangered
NAME STATUS
Blue Ridge Goldenrod Solidago spithamaea
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/5821
Threatened
Heller's Blazingstar Liatris helleri
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/5962
Threatened
Roan Mountain Bluet Hedyotis purpurea var. montana
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/1087
Endangered
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Lichens
Critical habitats
Potential effects to critical habitat(s) in this location must be analyzed along with the endangered
species themselves.
THERE ARE NO CRITICAL HABITATS AT THIS LOCATION.
Migratory birds
The birds listed below are birds of particular concern either because they occur on the USFWS Birds of
Conservation Concern (BCC) list or warrant special attention in your project location. To learn more
about the levels of concern for birds on your list and how this list is generated, see the FAQ below. This
is not a list of every bird you may find in this location, nor a guarantee that every bird on this list will be
Spreading Avens Geum radiatum
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/6854
Endangered
NAME STATUS
Rock Gnome Lichen Gymnoderma lineare
No critical habitat has been designated for this species.
https://ecos.fws.gov/ecp/species/3933
Endangered
Certain birds are protected under the Migratory Bird Treaty Act
and the Bald and Golden Eagle Protection Act .
Any person or organization who plans or conducts activities that may result in impacts to migratory
birds, eagles, and their habitats should follow appropriate regulations and consider implementing
appropriate conservation measures, as described below.
1. The Migratory Birds Treaty Act of 1918.
2. The Bald and Golden Eagle Protection Act of 1940.
Additional information can be found using the following links:
• Birds of Conservation Concern http://www.fws.gov/birds/management/managed-species/
birds-of-conservation-concern.php
• Measures for avoiding and minimizing impacts to birds
http://www.fws.gov/birds/management/project-assessment-tools-and-guidance/
conservation-measures.php
• Nationwide conservation measures for birds
http://www.fws.gov/migratorybirds/pdf/management/nationwidestandardconservationmeasures.pdf
1 2
Page 4 of 12IPaC: Explore Location
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found in your project area. To see exact locations of where birders and the general public have sighted
birds in and around your project area, visit the E-bird data mapping tool (Tip: enter your location,
desired date range and a species on your list). For projects that occur off the Atlantic Coast, additional
maps and models detailing the relative occurrence and abundance of bird species on your list are
available. Links to additional information about Atlantic Coast birds, and other important information
about your migratory bird list, including how to properly interpret and use your migratory bird report,
can be found below.
For guidance on when to schedule activities or implement avoidance and minimization measures to
reduce impacts to migratory birds on your list, click on the PROBABILITY OF PRESENCE SUMMARY at
the top of your list to see when these birds are most likely to be present and breeding in your project
area.
NAME BREEDING SEASON (IF A BREEDING
SEASON IS INDICATED FOR A BIRD
ON YOUR LIST, THE BIRD MAY
BREED IN YOUR PROJECT AREA
SOMETIME WITHIN THE
TIMEFRAME SPECIFIED, WHICH IS A
VERY LIBERAL ESTIMATE OF THE
DATES INSIDE WHICH THE BIRD
BREEDS ACROSS ITS ENTIRE
RANGE. "BREEDS ELSEWHERE"
INDICATES THAT THE BIRD DOES
NOT LIKELY BREED IN YOUR
PROJECT AREA.)
Bald Eagle Haliaeetus leucocephalus
This is not a Bird of Conservation Concern (BCC) in this area, but
warrants attention because of the Eagle Act or for potential
susceptibilities in offshore areas from certain types of development or
activities.
https://ecos.fws.gov/ecp/species/1626
Breeds Sep 1 to Aug 31
Canada Warbler Cardellina canadensis
This is a Bird of Conservation Concern (BCC) throughout its range in the
continental USA and Alaska.
Breeds May 20 to Aug 10
Golden Eagle Aquila chrysaetos
This is not a Bird of Conservation Concern (BCC) in this area, but
warrants attention because of the Eagle Act or for potential
susceptibilities in offshore areas from certain types of development or
activities.
https://ecos.fws.gov/ecp/species/1680
Breeds elsewhere
Golden-winged Warbler Vermivora chrysoptera
This is a Bird of Conservation Concern (BCC) throughout its range in the
continental USA and Alaska.
https://ecos.fws.gov/ecp/species/8745
Breeds May 1 to Jul 20
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Probability of Presence Summary
The graphs below provide our best understanding of when birds of concern are most likely to be
present in your project area. This information can be used to tailor and schedule your project activities
to avoid or minimize impacts to birds. Please make sure you read and understand the FAQ “Proper
Interpretation and Use of Your Migratory Bird Report” before using or attempting to interpret this
report.
Probability of Presence ( )
Each green bar represents the bird's relative probability of presence in the 10km grid cell(s) your
project overlaps during a particular week of the year. (A year is represented as 12 4-week months.) A
taller bar indicates a higher probability of species presence. The survey effort (see below) can be used
to establish a level of confidence in the presence score. One can have higher confidence in the
presence score if the corresponding survey effort is also high.
How is the probability of presence score calculated? The calculation is done in three steps:
1. The probability of presence for each week is calculated as the number of survey events in the week
where the species was detected divided by the total number of survey events for that week. For
example, if in week 12 there were 20 survey events and the Spotted Towhee was found in 5 of
them, the probability of presence of the Spotted Towhee in week 12 is 0.25.
2. To properly present the pattern of presence across the year, the relative probability of presence is
calculated. This is the probability of presence divided by the maximum probability of presence
across all weeks. For example, imagine the probability of presence in week 20 for the Spotted
Towhee is 0.05, and that the probability of presence at week 12 (0.25) is the maximum of any week
of the year. The relative probability of presence on week 12 is 0.25/0.25 = 1; at week 20 it is
0.05/0.25 = 0.2.
3. The relative probability of presence calculated in the previous step undergoes a statistical
conversion so that all possible values fall between 0 and 10, inclusive. This is the probability of
presence score.
Northern Saw-whet Owl Aegolius acadicus acadicus
This is a Bird of Conservation Concern (BCC) only in particular Bird
Conservation Regions (BCRs) in the continental USA
Breeds Mar 1 to Jul 31
Prairie Warbler Dendroica discolor
This is a Bird of Conservation Concern (BCC) throughout its range in the
continental USA and Alaska.
Breeds May 1 to Jul 31
Wood Thrush Hylocichla mustelina
This is a Bird of Conservation Concern (BCC) throughout its range in the
continental USA and Alaska.
Breeds May 10 to Aug 31
Yellow-bellied Sapsucker sphyrapicus varius
This is a Bird of Conservation Concern (BCC) only in particular Bird
Conservation Regions (BCRs) in the continental USA
https://ecos.fws.gov/ecp/species/8792
Breeds May 10 to Jul 15
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no data survey effort breeding season probability of presence
To see a bar's probability of presence score, simply hover your mouse cursor over the bar.
Breeding Season ( )
Yellow bars denote a very liberal estimate of the time-frame inside which the bird breeds across its
entire range. If there are no yellow bars shown for a bird, it does not breed in your project area.
Survey Effort ( )
Vertical black lines superimposed on probability of presence bars indicate the number of surveys
performed for that species in the 10km grid cell(s) your project area overlaps. The number of surveys is
expressed as a range, for example, 33 to 64 surveys.
To see a bar's survey effort range, simply hover your mouse cursor over the bar.
No Data ( )
A week is marked as having no data if there were no survey events for that week.
Survey Timeframe
Surveys from only the last 10 years are used in order to ensure delivery of currently relevant
information. The exception to this is areas off the Atlantic coast, where bird returns are based on all
years of available data, since data in these areas is currently much more sparse.
SPECIES JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Bald Eagle
Non-BCC Vulnerable
(This is not a Bird of
Conservation Concern
(BCC) in this area, but
warrants attention
because of the Eagle
Act or for potential
susceptibilities in
offshore areas from
certain types of
development or
activities.)
Canada Warbler
BCC Rangewide (CON)
(This is a Bird of
Conservation Concern
(BCC) throughout its
range in the
continental USA and
Alaska.)
Golden Eagle
Non-BCC Vulnerable
(This is not a Bird of
Conservation Concern
(BCC) in this area, but
warrants attention
because of the Eagle
Act or for potential
susceptibilities in
offshore areas from
certain types of
development or
activities.)
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Golden-winged
Warbler
BCC Rangewide (CON)
(This is a Bird of
Conservation Concern
(BCC) throughout its
range in the
continental USA and
Alaska.)
Northern Saw-whet
Owl
BCC - BCR (This is a
Bird of Conservation
Concern (BCC) only in
particular Bird
Conservation Regions
(BCRs) in the
continental USA)
Prairie Warbler
BCC Rangewide (CON)
(This is a Bird of
Conservation Concern
(BCC) throughout its
range in the
continental USA and
Alaska.)
Wood Thrush
BCC Rangewide (CON)
(This is a Bird of
Conservation Concern
(BCC) throughout its
range in the
continental USA and
Alaska.)
Yellow-bellied
Sapsucker
BCC - BCR (This is a
Bird of Conservation
Concern (BCC) only in
particular Bird
Conservation Regions
(BCRs) in the
continental USA)
Tell me more about conservation measures I can implement to avoid or minimize impacts to migratory birds.
Nationwide Conservation Measures describes measures that can help avoid and minimize impacts to all birds at any
location year round. Implementation of these measures is particularly important when birds are most likely to occur in
the project area. When birds may be breeding in the area, identifying the locations of any active nests and avoiding
their destruction is a very helpful impact minimization measure. To see when birds are most likely to occur and be
breeding in your project area, view the Probability of Presence Summary.Additional measures and/or permits may be
advisable depending on the type of activity you are conducting and the type of infrastructure or bird species present
on your project site.
What does IPaC use to generate the migratory birds potentially occurring in my specified location?
The Migratory Bird Resource List is comprised of USFWS Birds of Conservation Concern (BCC)and other species that
may warrant special attention in your project location.
The migratory bird list generated for your project is derived from data provided by the Avian Knowledge Network
(AKN). The AKN data is based on a growing collection of survey, banding, and citizen science datasets and is queried
and filtered to return a list of those birds reported as occurring in the 10km grid cell(s) which your project intersects,
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and that have been identified as warranting special attention because they are a BCC species in that area, an eagle
(Eagle Act requirements may apply), or a species that has a particular vulnerability to offshore activities or
development.
Again, the Migratory Bird Resource list includes only a subset of birds that may occur in your project area. It is not
representative of all birds that may occur in your project area. To get a list of all birds potentially present in your
project area, please visit the AKN Phenology Tool.
What does IPaC use to generate the probability of presence graphs for the migratory birds potentially occurring in
my specified location?
The probability of presence graphs associated with your migratory bird list are based on data provided by the Avian
Knowledge Network (AKN). This data is derived from a growing collection of survey, banding, and citizen science
datasets .
Probability of presence data is continuously being updated as new and better information becomes available. To learn
more about how the probability of presence graphs are produced and how to interpret them, go the Probability of
Presence Summary and then click on the "Tell me about these graphs" link.
How do I know if a bird is breeding, wintering, migrating or present year-round in my project area?
To see what part of a particular bird's range your project area falls within (i.e. breeding, wintering, migrating or year-
round), you may refer to the following resources:The Cornell Lab of Ornithology All About Birds Bird Guide, or (if you
are unsuccessful in locating the bird of interest there), the Cornell Lab of Ornithology Neotropical Birds guide. If a bird
on your migratory bird species list has a breeding season associated with it, if that bird does occur in your project area,
there may be nests present at some point within the timeframe specified. If "Breeds elsewhere" is indicated, then the
bird likely does not breed in your project area.
What are the levels of concern for migratory birds?
Migratory birds delivered through IPaC fall into the following distinct categories of concern:
1. "BCC Rangewide" birds are Birds of Conservation Concern (BCC) that are of concern throughout their range
anywhere within the USA (including Hawaii, the Pacific Islands, Puerto Rico, and the Virgin Islands);
2. "BCC - BCR" birds are BCCs that are of concern only in particular Bird Conservation Regions (BCRs) in the
continental USA; and
3. "Non-BCC - Vulnerable" birds are not BCC species in your project area, but appear on your list either because of
the Eagle Act requirements (for eagles) or (for non-eagles) potential susceptibilities in offshore areas from certain
types of development or activities (e.g. offshore energy development or longline fishing).
Although it is important to try to avoid and minimize impacts to all birds, efforts should be made, in particular, to avoid
and minimize impacts to the birds on this list, especially eagles and BCC species of rangewide concern. For more
information on conservation measures you can implement to help avoid and minimize migratory bird impacts and
requirements for eagles, please see the FAQs for these topics.
Details about birds that are potentially affected by offshore projects
For additional details about the relative occurrence and abundance of both individual bird species and groups of bird
species within your project area off the Atlantic Coast, please visit the Northeast Ocean Data Portal. The Portal also
offers data and information about other taxa besides birds that may be helpful to you in your project review.
Alternately, you may download the bird model results files underlying the portal maps through the NOAA NCCOS
Integrative Statistical Modeling and Predictive Mapping of Marine Bird Distributions and Abundance on the Atlantic
Outer Continental Shelf project webpage.
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Bird tracking data can also provide additional details about occurrence and habitat use throughout the year, including
migration. Models relying on survey data may not include this information. For additional information on marine bird
tracking data, see the Diving Bird Study and the nanotag studies or contact Caleb Spiegel or Pam Loring.
What if I have eagles on my list?
If your project has the potential to disturb or kill eagles, you may need to obtain a permit to avoid violating the Eagle
Act should such impacts occur.
Proper Interpretation and Use of Your Migratory Bird Report
The migratory bird list generated is not a list of all birds in your project area, only a subset of birds of priority concern.
To learn more about how your list is generated, and see options for identifying what other birds may be in your project
area, please see the FAQ “What does IPaC use to generate the migratory birds potentially occurring in my specified
location”. Please be aware this report provides the “probability of presence” of birds within the 10 km grid cell(s) that
overlap your project; not your exact project footprint. On the graphs provided, please also look carefully at the survey
effort (indicated by the black vertical bar) and for the existence of the “no data” indicator (a red horizontal bar). A high
survey effort is the key component. If the survey effort is high, then the probability of presence score can be viewed as
more dependable. In contrast, a low survey effort bar or no data bar means a lack of data and, therefore, a lack of
certainty about presence of the species. This list is not perfect; it is simply a starting point for identifying what birds of
concern have the potential to be in your project area, when they might be there, and if they might be breeding (which
means nests might be present). The list helps you know what to look for to confirm presence, and helps guide you in
knowing when to implement conservation measures to avoid or minimize potential impacts from your project
activities, should presence be confirmed. To learn more about conservation measures, visit the FAQ “Tell me about
conservation measures I can implement to avoid or minimize impacts to migratory birds” at the bottom of your
migratory bird trust resources page.
Facilities
National Wildlife Refuge lands
Any activity proposed on lands managed by the National Wildlife Refuge system must undergo a
'Compatibility Determination' conducted by the Refuge. Please contact the individual Refuges to
discuss any questions or concerns.
THERE ARE NO REFUGE LANDS AT THIS LOCATION.
Fish hatcheries
THERE ARE NO FISH HATCHERIES AT THIS LOCATION.
Wetlands in the National Wetlands Inventory
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Impacts to NWI wetlands and other aquatic habitats may be subject to regulation under Section 404 of
the Clean Water Act, or other State/Federal statutes.
For more information please contact the Regulatory Program of the local U.S. Army Corps of Engineers
District.
Please note that the NWI data being shown may be out of date. We are currently working to update our
NWI data set. We recommend you verify these results with a site visit to determine the actual extent of
wetlands on site.
This location overlaps the following wetlands:
Data limitations
The Service's objective of mapping wetlands and deepwater habitats is to produce reconnaissance level information
on the location, type and size of these resources. The maps are prepared from the analysis of high altitude imagery.
Wetlands are identified based on vegetation, visible hydrology and geography. A margin of error is inherent in the use
of imagery; thus, detailed on-the-ground inspection of any particular site may result in revision of the wetland
boundaries or classification established through image analysis.
The accuracy of image interpretation depends on the quality of the imagery, the experience of the image analysts, the
amount and quality of the collateral data and the amount of ground truth verification work conducted. Metadata
should be consulted to determine the date of the source imagery used and any mapping problems.
Wetlands or other mapped features may have changed since the date of the imagery or field work. There may be
occasional differences in polygon boundaries or classifications between the information depicted on the map and the
actual conditions on site.
Data exclusions
Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery
as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic
vegetation that are found in the intertidal and subtidal zones of estuaries and nearshore coastal waters. Some
deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These
habitats, because of their depth, go undetected by aerial imagery.
Data precautions
Federal, state, and local regulatory agencies with jurisdiction over wetlands may define and describe wetlands in a
different manner than that used in this inventory. There is no attempt, in either the design or products of this
inventory, to define the limits of proprietary jurisdiction of any Federal, state, or local government or to establish the
geographical scope of the regulatory programs of government agencies. Persons intending to engage in activities
involving modifications within or adjacent to wetland areas should seek the advice of appropriate federal, state, or
LAKE
L1UBHh
RIVERINE
R4SBC
R3UBH
R3UBHx
R5UBH
A full description for each wetland code can be found at the National Wetlands Inventory website
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local agencies concerning specified agency regulatory programs and proprietary jurisdictions that may affect such
activities.
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