HomeMy WebLinkAbout20080868 Ver 2_DCM Permit_20080821
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Permit Class Permit Number
MODIFICATIONAAIAJOR 168-07
STATE OF NORTH CAROLINA
Department of Environment and Natural Resources V }
and o
Coastal Resources Commission
AUG 2 1 2008 A
ihrmtt DENR - WATER QUALITY
A for WETLANDS AND STORMWATER BRANCH
X Major Development in an Area of Environmental Concern
h
pursuant to NCGS 113A-118
X Excavation and/or filling pursuant to NCGS 113-229
Issued to PCS Phosphate Company, Inc. 1530 NC Hwy 306 South, Aurora, NC 27806
z
Authorizing development in Beaufort County at adj. to Pamlico River, 1629 Hickory Point
Road, Aurora , as requested in the permittee's application dated 5/21/08, including the
attached work-plan drawings (7) as referenced in condition No 1 of this permit
This permit, issued on August 20, 2008 is subject to compliance with the application (where consistent
with the permit), all applicable regulations, special conditions and notes set forth below. Any violation of these terms may
be subject to fines, imprisonment or civil action; or may cause the permit to be null and void.
4
Y 1) Unless specifically altered herein, all development shall be carried out in compliance with the attached
list of workplan drawing
s: Drawing Nos. AOG-047-093 A, AOG-047-096 A, and AOG-047-097 A
f:1 I
dated "revised 5/16/08', AOG-047-094 A, AOG-047-095 A, and AOG-047-098 A dated "revised ti
5/9/08", and BOC-000-086 dated 5/9/08.
Excavation
2) Unless specifically altered herein, the dimensions of the area to be dredged shall not exceed the area that
is expressly and specifically set forth in the attached permit application and work lan drawings. An t
P b Y
proposal to change the area to be dredged shall require permit modification.
(See attached sheets for Additional Conditions) k
c This permit action may be appealed by the permittee or Signed by the authority of the Secretary of DENR and the
other qualified persons within twenty (20) days of the issuing Chairman of the Coastal Resources Commission.
date. An appeal requires resolution prior to work initiation or
continuance as the case may be.
f
This permit shall be accessible on-site to Department
personnel when the project is inspected for compliance. /
,son Director
Any maintenance work or project modification not covered James H.
hereunder requires further Division approval. Division of Coastal Management
} All work shall cease when the permit expires on This permit and its conditions are hereby accepted.
December 31, 2011
In issuing this permit, the State of North Carolina agrees
that your project is consistent with the North Carolina Coastal
Management Program. Signature of Permittee
}i?P'N-}.}.:,}r^:i4:i~`T4 `Ph~a57+~.UN.+hv-iaTaMN4x. ..14
F Phosphate Company, Inc. Permit # 168-07
Page 2 of 3
ADDITIONAL CONDITIONS
3) Excavation shall not exceed -4 feet below the normal water level. In no case
shall the depth of $
` excavation exceed the depth of connecting waters. gg
3i
4) No vegetated wetlands shall be excavated or filled. ¢
5) The temporary placement or double handling of fill materials within waters or vegetated wetlands is not
authorized.
Spoil Disposal
6) All excavated materials shall be confined to the areas indicated on the attached workplan drawings
behind adequate dikes or other retaining structures to prevent spillover of solids into any marsh or
surrounding waters. The spoil disposal areas shall be inspected and approved by a Division
representative prior to the placement of any spoil on site. Contact a Division representative at (252)
946-6481 to schedule this inspection.
Sedimentation and Erosion Control
7) Appropriate sedimentation and erosion control devices, measures or structures shall be implemented to
ensure that eroded materials do not enter adjacent wetlands, watercourses and property (e.g. silt fence,
x diversion swales or berms, etc.).
8) All disturbed areas shall be properly graded and provided a ground cover sufficient to restrain erosion
within thirty days of project completion.
General
9) The permittee understands and agrees that, if future operations by the United States requires the
removal, relocation, or other alteration of the structure or work authorized by this permit, or if in the
opinion of the Secretary of the Army or his authorized representative, said structure or work shall cause
unreasonable obstruction to free navigation of the navigable waters, the permittee shall be required,
upon due notice from the Corps of Engineers, to remove, relocate or alter the structural work or
obstructions caused thereby, without expense to the United States or the state of North Carolina. No
claim shall be made against the United States or the state of North Carolina on account of any such
removal or alteration.
10) This permit shall not be assigned, transferred, sold, or otherwise disposed of to a third party without the '
written approval of the Division of Coastal Management.
11) This modification shall be attached to the original of Permit No. 168-07, which was issued on 11/2/07,
and copies of both documents shall be readily available on site when Division personnel inspect the
project for compliance.
12) All conditions and stipulations of the active permit remain in force under this modification, unless
specifically altered herein.
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Y PCS Phosphate Company, Inc. Permit # 168-07 }
Page 3 of 3
ADDITIONAL CONDITIONS
NOTE: This permit does not eliminate the need to obtain any additional state, federal or local permits,
approvals or authorizations that may be required.
NOTE: Future development of the Permittee's property may require a modification of this permit.
1.
Contact a representative of the Division of Coastal Management at (252) 946-6481 prior to the
s commencement of any such activity for this determination. The permittee is further advised that,
in accordance with the rules of the Environmental Management Commission, many non-water
dependent activities are not authorized within 50 feet of the normal water level or landward edge
of any coastal wetlands, which ever is more restrictive. Contact the Division of Water Quality at
(252) 946-6481 for project specific clarification.
NOTE: The N.C. Division of Water Quality has assigned the proposed project DWQ Project No. 07-
1677 v2.
NOTE: The U.S. Army Corps of Engineers authorized the proposed project under General Permit No.
k 198200277 (COE Action Id. No. SAW-2007-03411-107) which was issued on 6/27/08.
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ADJACENT LANDOWNER TO THE WEST.• x-.172 \\5
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TREES x-1.97\\\ X J 94\\
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PAMLICO RIVER
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0~~~ = MATER/AL 70 BE REMOVED
GRASS
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ADJACENT LANDOWNER TO THE EAST.•
Mr. W. JEFFREY GASKINS
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RE R N DRA rW4N S
OVERALL PLAN VIEW AOG-047-092
AOG-047-094
SCALE 1" = 60' AOG-047-096
AOG-047-097
Revlslon AOG-047-098
A 511612008 AD0177ONAL INFORMATION ADDED 800-000-086
DRAWN DRAWING TITLE ENGINEERING DATE:
SCHALL JOB No. 12120107
CHECKED CIVIL AREA - 047 SCALE:
PCS N07ED
APPROVED p h o s p h a t e A U R O R A PROPOSED AREA TO HAVE BOTTOM DRAWING No.
777 MATERIAL REMOVED WITH BACKHOE
LOCA770N.• PCSRA BOAT BAS/N A 0G- 047- 093 A~
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(PAMLICO RIVER (WEST) (PAMLICO RIVER EAST)
i2 EXIS77NG 3.19 1.95 10
BOTTOM NWL
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PROPOSED DEPTH ORIGINALLY PERMI77ED
AFTER MATERIAL REMOVED DREDGED BOTTOM
SECTION A - A
(FROM DRAWING NUMBER A00-047-093)
NOT TO SCALE
MATERIAL TO BE REMOVED
SMALL OFFROAD DUMP TRUCK
FOR HOLDING MA TER/AL REMOVED
(PAMLICO RIVER (WEST) O
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PROTECTED AREA
(PAMLICO RIVER EAST)
THE DESIRED OUTCOME IS TO REESTABLISH A DEPTH
OF 4' ACROSS THE BOTTOM OF THE REFERENCE DRAWINGS
PROTECTED AREA. AOG-047-092
AOG-047-093
AOG-047-095
MATERIAL REMOVAL PLAN AOG-047-096
NOT TO SCALE AOG-047-097
Revision AOG-047-098
A 51912008 ADD177ONAL INFORMATION ADDED BOG-000-086
DRAWN DRAWING TITLE ENGINEERING DATE:
S.L.PASCHALL JOB No. 12120107
CHECKED C/WL AREA - 047 SCALE:
L NOTED
PCAPPROVED phosphate A U R 0 R A PROPOSED AREA TO HAVE' 80T70M DRAWING No.
APPROVED MATERIAL REMOVED WI7H BACKHOE
LOCH AON. PCSRA BOAT BASIN A OG- 047- 094 A
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SMALL OFFROAD DUMP TRUCK
FOR HOLDING MATERIAL REMOVED
SMALL BACKHOE
(PAMLICO RIVER (WEST) (PAMLICO RIVER EAST)
195 EXISTING
BOTTOM NWL
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- 4.0
7 7no/7z
PROPOSED DEPTH ORIGINALL Y PERMITTED
AFTER MA TERIAL REMO QED DREDGED BOTTOM
SECTION A - A
(FROM DRAWING NUMBER AOG-047-093)
MA TERIAL TO BE REMOVED
BOA T BASIN
PROTECTED AREA
SMALL OFFROAD DUMP TRUCK
FOR HOLDING MATERIAL REMOVED ~~P{
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CONCRETE REFERENCE DRA W/NGS
BOAT RAMP AOG-047-092
GRASS AOG-047-09J
PAVED ROADWAY AOG-047-094
AOG-047-096
AOG-047-097
Revision AOG-047-098
A 51912008 ADD/77ONAL INFORMATION ADDED BOG-000-086
DRAWN DRAWING TITLE ENGINEERING DATE:
SL.PASCHALL JOB No. 11120107
CHECKED SCALE:
C/ ~/L AREA - 047 N07E'D
APPROVED phospha e A U R 0 R A PROPOSED AREA TO HALE BOTTOM DRAWING No.
APPROVED MA7FR/AL REMOVED WITH SACKHO£
LOCATION.- PCSRA BOAT BASIN A 0G- 047- 095 A
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DRAWN DRAWING TITLE ENGINEERING DATE:
S.L.PASCHALL JOB No. 11212008
CHECKED
PCS C/V/L AREA - 047 SCALE: N07ED
hate A U R 0 R A ROUTE OF TRUCKS REMOKIVC DRAWING No.
APPROVED Phosphate
APPROVED SPOIL MATER/AL
LOCATION.- PCSRA BOAT BAS1N AOG-047-096 A
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S. L.PASCHALL JOB No. 11212008
CHECKED
PAC^}S C/A AREA - 047 SCALE: NO TED
APPROVED PhOSptP. A U R 0 R A TEMPORARY AREA FOR HOLDING DRAWING No.
APPROVED SPOIL MATERIAL FROM BOAT BASIN
AOG-047-097 A
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DRAWING TITLE ENL;INLEHING A :
SL.PASCHALL JOB No. 51912008
CHECKED
CI VIL AREA - 047 SCALE: NOTED
APPROVED phosp C AURORA STORAGE AREA FOR SPOIL MATER/AL DRAWING No.
APPROVED
LOCATION.- PCSRA BOAT BASIN A OG- 047- 098
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6.62 SEDIMENT FENCE (SILT F N . 1
DEFINITION A temporary sediment barrier consisting of filter Provide o riprop splash pad or other outlet pro- 7. Excavate a trench approximately 4 inches wide
fabric buried at the bottom, stretched, and sup- tection device for any point where flow may over- and B inches deep along the roposed line of po
ported by posts. top the sediment fence, such as natural depres- and upslope from the barrier Figure 6.620),
sions or swales. Ensure that the maximum height
PURPOSE To retain sediment from small disturbed areas by of the fence at a protected, reinforced outlet B. Backfill the trench with compacted soil o w L= 9
r
educing the velocity of sheet flows to allow does not exceed 1 ft and that support post spacing gravel placed over the filter fabric.
sediment deposition. does not exceed 4 fi.
-Zia 7
CONDITIONS WHERE 9. Do not attach the filter fabric to existing
PRACTICE APPLIES Below small disturbed areas less than 1/4 acre per The design life of o synthetic sediment fence trees. ;rte'
100 ft of fence. should be 6 months. Burlap is only acceptable for
periods up to 60 days. MAINTENANCE Inspect sediment fences at least once a week and
Where runoff can be stored behind the sediment CONSTRUCTION after each rainfall. Make any required repairs
fence without damaging the fence or the submerged SPECIFICATIONS MATERIALS immediately.
1. Use a synthetic filter fabric or a pervious B.JvJ1Yi
area behind the fence. sheet of polypropylene, nylon, polyester, or
polyethylene yarn, which is certified by the Should the fabric of a sediment fence collapse,
Do not install sediment fences across streams, manufacturer or supplier as conforming to the tear, decompose or bacome ineffective, replace it
ditches, or waterways. requirements shown in Table 6.62b. promptly. Replace burlap every 60 days.
PLANNING Synthetic filter fabric should contain ultraviolet
CONSIDERATIONS A sediment fence is a permeable barrier that ray inhibitors and stabilizers to provide minimum Remove sediment deposits as necessary to provide
should be planned as o system permeable retain sediment of 6 months of expected usable construction life adequate storage volume for the next rain and to
on the construction site. The fence retains at a temperature range of 0 to 120 degrees F. reduce pressure on the fence. Take care to avoid
sediment primarily by retarding flow and promoting undermining the fence during cleanout.
deposition. In operation, generally the fence 2. either E4-innsure ch that diameter posts f for or 2-inch sediment diameter fences are
oak,
becomes clogged with fine particles, which reduce pine, Remove all fencing materials and unstable sediment
bflow rote. This cousin o pond s, develop more or 1.33 W~inear ft steel with a minimum length deposits and bring the area to grade and stabilize
quickly behind the fence. The designer should of 4 ft. hfake sure that steel posts have profec- it after the contributing drainage area has been
~n n
anticipate ponding and provide sufficient storage tions to facilitate fastenng the fabric. properly stabilized. V
areas and overflow outlets to prevent flows from lift
overtopping the fence. Since sediment fences are 3. For reinforcement of standard strength filter
not designed to withstand high heads, locate them fabric, use wire fence with a minimum 14 gauge and AUG t,)
so that only shallow pools can form. Tie the ends a maximum mesh spacing of 6 inches. 1 2008
of a sediment fence into the landscape to prevent TABLE 6.62b 0
flow around the end of the fence before the pool SPECIFICATIONS FOR PHYSICAL PROPERTY R QUIREMENTS
reaches design level. Provide stabilized outlets SEDIMENT FENCE FABRIC Filtering Efficiency 857 (min)
to protect the fence system and release stormflows ANDST~RQU,r
that exceed the design storm. Tensile S rength at Stand rd Str ngt - ~ A RB *
Deposition occurs as the storage pool forms behind 207. (max. Elongation 30 Ib~lin in ~min~
- -
the fence. The designer can direct flows to
specified deposition areas through appropriate Slurry Flow Rote 0.3 gal/sq ft/min (min)
positioning of the fence or by providing an exca- CONSTRUCTION
vated area behind the fence. Plan deposition 1. Construct the sediment barrier of standard
areas at accessible points to promote routine strength or extra strength synthetic filter fab- Backfill min 8" Compacted fill
cleanout and maintenance. Show deposition areas
in the erosion and sedimentation control plan. A rias. thick layer of gravel
sediment fence acts as s diversion if placed 2. Ensure that the height of the sediment fence
slightly off the contour. This may be used by the does not exceed 18 inches above the ground sur- / Filter fabric
designer to control shallow, uniform flows from face. (Higher fences may impound volumes of water
small disturbed areas and to deliver sediment
laden water to deposition areas. sufficient to cause failure of the structure.)
f~
Sediment fences serve no function alongg ridges or r Construct the filler fabric from a continuous
new drainage divides where there is little move- roll cut io the length are the barrier to ovoid
ment of water. Confining or diverting runoff Joints. When pints are necessary, securely
unnecessarily with a sediment fence may create fasten the (flier cloth only of a support post l
erosion and sedimentation problems that would not with overlap to the next post. g
otherwise occur. ~
4. Support standard strength filler fabric by
DESIGN CRITERIA Ensure that the drainage area is no greater than wire mesh fastened securely to the upslope side of /
1/4 acre per 100 ft fence. the posts using heavy duty wire staples at least 1
inch long, or tie wires. Extend the wire mesh
Make the fence stable for the 10-yr peak storm support to the bottom of the trench. V-trench
runoff.
V
5. When a wire mesh support fence is used, space
Where all runoff is to be stored behind the fence, posts a maximum of 8 ft apart. Support posts
ensure that the maximum slope length behind a should be driven securely into the ground to a THIS STYLE USED IN BOTH SPOIL REMOVAL PLANS AT PCSRA
sediment fence does not exceed the specifications minimum of 18 inches.
shown in Table 6.62a.
6. Extra strength filter fabric with 6-ft post
Ensure that the depth of impounded water does not spacing does not require wire mesh support fence. Extension of fabric and wire
exceed 1.5 ft at any point along the fence. Staple or wire the fi ter fabric directly to
posts. into the trench
If nonerosive outlets are provided, slope length
may be increased beyond that shown in Table 6.62 ttQ1€ This information was obtained from Robert Chiles Filter fabric
a, but runoff from the area should be determined Engineering on May 9, 2008.
and bypass capacity and erosion potential along
the fence must be checked. The velocity of the I wire
flow at the outlet or along the fence should be in
keeping with Table 8.05d, Appendix 8.05. B =
TABLE 6.62a
MAXIMUM SLOPE LENGTH SLOPE S OPE
AND SLOPE FOR WHICH LENGTH ft) 4
SEDIMENT FENCE IS <27 1 000
APPLICABLE 2 to 57
5 to 107 75
10 to 0% 250 5 Figure 6.62a Installation detail of a sediment
10 t 15 fence.
FT DRAWN
SL.PASCHALL DRAWING TITLE ENGINEERING DATE 5-9-2008
No. SCALE
CHECKED PotashCorp Cl AIL AREA - 000 JOB
N TS.
APPROVED SEDIMENT FENCE SIC T FENCE
DRAWING NO.
ISSUE / REVISION ==UK APP, APP.
No. DATE APPROVED Aurora SOC- 000- 086
H:\PCSRA Boat Slip Repairs\DOG-047-091.dwg, 5/9/2008 10:33:21 AM, 1laurdata2lAURCMNT34 (Enoineerinc CoOier Room-Front)