HomeMy WebLinkAbout8503_Duke_PineHallRd_Phase2Req_DIN26781_20160929Belews Creek Steam Station 3195 Pine Hall Road Belews Creek, NC 27009
336-445-0610
336-669-2994
www.duke-energy.com Page 1 of 2
September 28, 2016
North Carolina Department of Environmental Quality
Division of Waste Management
Solid Waste Section
2090 U.S. Highway 70
Swannanoa, North Carolina 28778 Attn: Mr. Larry Frost (electronic delivery only)
Re: Pine Hall Road Landfill Cover System Modification Plan - Phase II
Permit No.: 8503-INDUS Belews Creek Pine Hall Rd Landfill
Belews Creek Steam Station Stokes County
Belews Creek, North Carolina 27009
Dear Mr. Frost,
On February 26, 2016 Duke Energy Belews Creek Steam Station (Duke) received approval to
perform cover system modifications at the Pine Hall landfill. The previously approved cover
system modifications was substantially complete in August with Construction Quality Assurance
(CQA) report currently under internal Duke review.
This letter serves as a request to perform additional cover system modifications at the Pine Hall
landfill. These additional modifications are being referred to as Phase II.
CQA and technical specifications for the attached Phase II will be performed under the
approved, February 25, 2016 submittal for Pine Hall Road Landfill cover system modifications (now referred to as Phase 1).
Erosion and Sediment Control permit for this scope will be obtained from the Division of Land
Quality.
Duke Energy is committed to excellent environmental stewardship and cooperation with the
Division regarding the operation, maintenance, safety, and integrity of all of its facilities. We
look forward to continuing to work with you regarding environmental concerns.
If there are any questions regarding this request, please contact Melonie Martin at (336) 445-0610.
www.duke-energy.com Page 2 of 2
Respectfully submitted,
Kimberlee Witt, PE
Environmental Services
Attachments: Cover System Modifications Drawings, BC-129 Phase II
cc (via e-mail): Ed Mussler, NCDEQ
Shawn McKee, NCDEQ
Evan Andrews, Duke Energy
Will Harrison, Duke Energy Melonie Martin, Duke Energy
Ed Sullivan, Duke Energy
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CONTACT INFORMATIONOWNER: DUKE ENERGY CAROLINAS, INCADDRESS: 400 SOUTH TRYON STREET CHARLOTTE, NORTH CAROLINA 28201 PROJECT AREA
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BELEWS CREEK STEAM STATIONPROJECT AREABELEWS CREEKSTEAM STATIONENGINEER: AMEC FOSTER WHEELERADDRESS: 2801 YORKMONT ROAD, SUITE 100 CHARLOTTE, NORTH CAROLINA 28208PHONE: 704-357-5515
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REFERENCE:1. EXISTING TOPOGRAPHIC INFORMATION WAS PRODUCED BY PHOTOGRAMMETRIC METHODSFROM AERIAL PHOTOGRAPHY OBTAINED ON APRIL 14, 2014 BY WSP GLOBAL INC AND ESPASSOCIATES, INC, DATED AUGUST 05, 2016.2. EXISTING STORMWATER FEATURES TAKEN FROM S&ME DRAWING BC-1039.08.00 AS-BUILT DATEDOCTOBER 18, 2012.3. EXISTING 18" AND 2 - 30" CMP LOCATIONS DETERMINED FROM GPS COORDINATES IN A REPORTENTITLED " SUMMARY REPORT - REV001, ISSUE BC-118 UNIDENTIFIED PIPES", DATED 8/31/15, BYAECOM.
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REFERENCE:1. EXISTING TOPOGRAPHIC INFORMATION WAS PRODUCED BY PHOTOGRAMMETRIC METHODSFROM AERIAL PHOTOGRAPHY OBTAINED ON APRIL 14, 2014 BY WSP GLOBAL INC AND ESPASSOCIATES, INC, DATED AUGUST 05, 2016.2. EXISTING STORMWATER FEATURES TAKEN FROM S&ME DRAWING BC-1039.08.00 AS-BUILT DATEDOCTOBER 18, 2012.3. EXISTING 18" AND 2 - 30" CMP LOCATIONS DETERMINED FROM GPS COORDINATES IN A REPORTENTITLED " SUMMARY REPORT - REV001, ISSUE BC-118 UNIDENTIFIED PIPES", DATED 8/31/15, BYAECOM.NOTES:1. DUKE ENERGY WILL EXERCISE THE OPTION TO REMOVE THE PERIPHERAL PIPES AND INLETS, ASIDENTIFIED ON THIS DRAWING, AT ITS DISCRETION, AND IF CHANGES TO STATE LAWS ORREGULATIONS MAKE REMOVAL NECESSARY.2. IF REMOVED, CONTRACTOR SHALL RESTORE GRADE AND STABILIZE THE AREAS OF PIPE / INLETREMOVAL. CONTRACTOR IS RESPONSIBLE FOR OFF-SITE DISPOSAL OF PIPES AND STRUCTURES.
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INSPECTION AND MAINTENANCE NOTES:1.ALL SEDIMENT AND EROSION CONTROL DEVICES AND PLANTED AREAS SHALL BE INSPECTED EVERY SEVEN (7) CALENDAR DAYS AND AFTER E
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RAINFALL OCCURRENCE THAT EXCEEDS ONE-HALF (1/2) INCH WITHIN A 24-HOUR PERIOD. DAMAGED OR INEFFECTIVE DEVICES SHALL BE REPA
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REPLACED, AS NECESSARY, AS SOON AS PRACTICAL.2.REMOVE ACCUMULATED SEDIMENT WHEN IT REACHES 1/3 THE HEIGHT OF THE DEVICE.3.REMOVED SEDIMENT SHALL BE PLACED IN STOCKPILE STORAGE AREAS OR SPREAD THINLY ACROSS DISTURBED AREA. STABILIZE THE REMOV
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5.REMOVE TEMPORARY E&SC MEASURES UPON STABILIZATION OF THE TRIBUTARY DRAINAGE AREA. REMOVE ALL CONSTRUCTION MATERIAL A
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SEDIMENT, AND DISPOSE OF THEM PROPERLY. GRADE THE DISTURBED AREA TO DRAIN AND STABILIZE ACCORDINGLY.
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ROCK CHECK DAMNOT TO SCALE 1.006
DEFINITIONCONTROLLING RUNOFF AND EROSION ON DISTURBED AREAS BY ESTABLISHINGPERENNIAL VEGETATIVE COVER WITH SEED.PURPOSETO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS,AND TO PERMANENTLY STABILIZE SUCH AREAS IN A MANNER THAT ISECONOMICAL, ADAPTS TO SITE CONDITIONS, AND ALLOWS SELECTION OF THEMOST APPROPRIATE PLANT MATERIALS.SPECIFICATIONSSEEDBED REQUIREMENTSESTABLISHMENT OF VEGETATION SHOULD NOT BE ATTEMPTED ON SITES THATARE UNSUITABLE DUE TO EXCESSIVE SOIL COMPACTION, INAPPROPRIATE SOILTEXTURE, POOR DRAINAGE, CONCENTRATED OVERLAND FLOW, OR STEEPNESSOF SLOPE UNTIL MEASURES HAVE BEEN TAKEN TO CORRECT THESE PROBLEMS.TO MAINTAIN A GOOD STAND OF VEGETATION, THE SOIL MUST MEET CERTAINMINIMUM REQUIREMENTS AS A GROWTH MEDIUM. THE EXISTING SOIL SHOULDHAVE THESE CRITERIA:xENOUGH FINE-GRAINED (SILT AND CLAY) MATERIAL TO MAINTAIN ADEQUATEMOISTURE AND NUTRIENT SUPPLY (AVAILABLE WATER CAPACITY OF ATLEAST .05 INCHES WATER TO 1 INCH OF SOIL).xSUFFICIENT PORE SPACE TO PERMIT ROOT PENETRATION.xSUFFICIENT DEPTH OF SOIL TO PROVIDE AN ADEQUATE ROOT ZONE. THEDEPTH TO ROCK OR IMPERMEABLE LAYERS SUCH AS HARDPANS SHOULD BE12 INCHES OR MORE, EXCEPT ON SLOPES STEEPER THAN 2:1 WHERE THEADDITION OF SOIL IS NOT FEASIBLE.xA FAVORABLE PH RANGE FOR PLANT GROWTH, USUALLY 6.0 - 6.5.xFREE FROM LARGE ROOTS, BRANCHES, STONES, LARGE CLODS OF EARTH,OR TRASH OF ANY KIND. CLODS AND STONES MAY BE LEFT ON SLOPESSTEEPER THAN 3:1 IF THEY ARE TO BE HYDRO SEEDED.IF ANY OF THE ABOVE CRITERIA ARE NOT MET - I.E., IF EXISTING SOIL IS TOOCOARSE, DENSE, SHALLOW OR ACIDIC TO FOSTER VEGETATION - SPECIALAMENDMENTS ARE REQUIRED. THE SOIL CONDITIONERS DESCRIBED BELOW MAYBE BENEFICIAL OR, PREFERABLY, TOPSOIL MAY BE APPLIED.SEEDBED PREPARATIONINSTALL NECESSARY MECHANICAL EROSION AND SEDIMENTATION CONTROLPRACTICES BEFORE SEEDING, AND COMPLETE GRADING ACCORDING TO THEAPPROVED PLAN.LIME AND FERTILIZER NEEDS SHOULD BE DETERMINED BY SOIL TESTS.DIRECTIONS, SAMPLE CARTONS, AND INFORMATION SHEETS ARE AVAILABLETHROUGH COUNTY AGRICULTURAL EXTENSION OFFICES. TESTING IS ALSO DONEBY COMMERCIAL LABORATORIES.WHEN SOIL TEST RESULTS ARE NOT AVAILABLE FOR TEMPORARY SEEDBEDPREPARATION FOLLOW RATES SUGGESTED IN THE SEEDING SPECIFICATIONSSHOWN AT RIGHT. APPLICATION RATES USUALLY FALL INTO THE FOLLOWINGRANGES:xGROUND AGRICULTURAL LIMESTONE: LIGHT-TEXTURED, SANDY SOILS: 1 TO1-1/2 TONS/ACRE ,HEAVY-TEXTURED, CLAYEY SOILS: 2-3 TONS/ACRExFERTILIZER: 700-1000 LB/ACRE OF 10-10-10 (OR THE EQUIVALENT)APPLY LIME AND FERTILIZER EVENLY AND INCORPORATE INTO THE TOP 4-6INCHES OF SOIL BY DISKING OR OTHER SUITABLE MEANS. OPERATE MACHINERYON THE CONTOUR. WHEN USING A HYDRO SEEDER, APPLY LIME AND FERTILIZERTO A ROUGH, LOOSE SURFACE.ROUGHEN SURFACES PRIOR TO SEEDING.COMPLETE SEEDBED PREPARATION BY BREAKING UP LARGE CLODS AND RAKINGINTO A SMOOTH, UNIFORM SURFACE (SLOPES LESS THAN 3:1). FILL IN OR LEVELDEPRESSIONS THAT CAN COLLECT WATER. BROADCAST SEED INTO A FRESHLYLOOSENED SEEDBED THAT HAS NOT BEEN SEALED BY RAINFALL.SEEDINGSEEDING DATES GIVEN IN THE SEEDING MIXTURE SPECIFICATIONS AREDESIGNATED AS "BEST" OR "POSSIBLE". SEEDINGS PROPERLY CARRIED OUTWITHIN THE "BEST" DATES HAVE A HIGH PROBABILITY OF SUCCESS. IT IS ALSOPOSSIBLE TO HAVE SATISFACTORY ESTABLISHMENT WHEN SEEDING OUTSIDETHESE DATES. HOWEVER, AS YOU DEVIATE FROM THEM, THE PROBABILITY OFFAILURE INCREASES RAPIDLY. SEEDING ON THE LAST DATE SHOWN UNDER"POSSIBLE" MAY REDUCE CHANGES OF SUCCESS BY 30-50%. ALWAYS TAKE THISINTO ACCOUNT IN SCHEDULING LAND-DISTURBING ACTIVITIES.LABELING OF NON-CERTIFIED SEED IS ALSO REQUIRED BY LAW. LABELS CONTAINIMPORTANT INFORMATION ON SEED PURITY, GERMINATION, AND PRESENCE OFWOOD SEEDS. SEEDS MUST MEET STATE STANDARDS FOR CONTENT OFNOXIOUS WEEDS. DO NO ACCEPT SEED CONTAINING "PROHIBITED" NOXIOUSWEED SEED.INOCULATE LEGUME SEED WITH THE RHIZOBIUM BACTERIA APPROPRIATE TO THESPECIES OF LEGUME.APPLY SEED UNIFORMLY WITH A CYCLONE SEEDER, DROP-TYPE SPREADER,DRILL, CULTIPACKER SEEDER, OR HYDRO SEEDER ON A FIRM, FRIABLE SEEDBED.WHEN USING A DRILL OR CULTIPACKER SEEDER, PLANT SMALL GRAINS NO MORETHAN 1 INCH DEEP, GRASSES AND LEGUMES NO MORE THAN 1/2 INCH.EQUIPMENT SHOULD BE CALIBRATED IN THE FIELD FOR THE DESIRED SEEDINGRATE.WHEN USING BROADCAST-SEEDING METHODS, SUBDIVIDE THE AREA INTOWORKABLE SECTIONS AND DETERMINE THE AMOUNT OF SEED NEEDED FOR EACHSECTION. APPLY ONE-HALF THE SEED WHILE MOVING BACK AND FORTH ACROSSTHE AREA, MAKING A UNIFORM PATTERN: THEN APPLY THE SECOND HALF IN THESAME WAY, BUT MOVING AT RIGHT ANGLES TO THE FIRST PASS.MULCH ALL PLANTINGS IMMEDIATELY AFTER SEEDING.HYDRO SEEDINGSURFACE ROUGHENING IS PARTICULARLY IMPORTANT WHEN HYDRO SEEDING,AS A ROUGHENED SLOPE WILL PROVIDE SOME NATURAL COVERAGE FOR LIME,FERTILIZER, AND SEED. THE SURFACE SHOULD NOT BE COMPACTED ORSMOOTH. FINE SEEDBED PREPARATION IS NOT NECESSARY FOR HYDROSEEDING OPERATIONS: LARGE CLODS, STONES, AND IRREGULARITIES PROVIDECAVITIES IN WHICH SEEDS CAN LODGE.RATE OF WOOD FIBER (CELLULOSE) APPLICATION SHALL BE 1,000 - 2,000 LB/ACRE.APPLY LEGUME INOCULANTS AT FOUR TIMES THE RECOMMENDED RATE WHENADDING INOCULANT TO A HYDRO SEEDER SLURRY.IF A MACHINERY BREAKDOWN OF 1/2 TO 2 HOURS OCCURS, ADD 50% MORE SEEDTO THE TANK, BASED ON THE PROPORTION OF THE SLURRY REMAINING. THISSHOULD COMPENSATE FOR DAMAGE TO SEED. BEYOND 2 HOURS, A FULL RATEOF NEW SEED MAY BE NECESSARY.LIME IS NOT NORMALLY APPLIED WITH A HYDRAULIC SEEDER BECAUSE IT ISABRASIVE. IT CAN BE BLOWN ONTO STEEP SLOPES IN DRY FORM.MAINTENANCEGENERALLY, A STAND OF VEGETATION CANNOT BE DETERMINED TO
B
E
F
U
L
L
Y
ESTABLISHED UNTIL IT HAS BEEN MAINTAINED FOR ONE FULL Y
E
A
R
F
R
O
M
PLANTING. INSPECT SEEDED AREAS FOR FAILURE AND MAKE N
E
C
E
S
S
A
R
Y
REPAIRS AND RESEEDINGS WITHIN THE SAME SEASON, IF POSSIBLE.RESEEDING--IF A STAND HAS INADEQUATE COVER, RE-EVALUATE
C
H
O
I
C
E
O
F
PLANT MATERIALS AND QUANTITIES OF LIME AND FERTILIZER. RE-EST
A
B
L
I
S
H
T
H
E
STAND AFTER SEEDBED PREPARATION OR OVER- SEED THE STAND.
C
O
N
S
I
D
E
R
SEEDING TEMPORARY, ANNUAL SPECIES IF THE TIME OF YEA
R
I
S
N
O
T
APPROPRIATE FOR PERMANENT SEEDING.IF VEGETATION FAILS TO GROW, SOIL MUST BE TESTED TO DETERMINE
I
F
A
C
I
D
I
T
Y
OR NUTRIENT IMBALANCE IS RESPONSIBLE.FERTILIZATION--ON THE TYPICAL DISTURBED SITE, FULL ESTA
B
L
I
S
H
M
E
N
T
USUALLY REQUIRES RE-FERTILIZATION IN THE SECOND GROWING SEA
S
O
N
.
F
I
N
E
TURF REQUIRES ANNUAL MAINTENANCE FERTILIZATION. USE SOI
L
T
E
S
T
S
I
F
POSSIBLE OR FOLLOW THE GUIDELINES GIVEN FOR THE SPECIFI
C
S
E
E
D
I
N
G
MIXTURE.TEMPORARY SEEDING SPECIFICATIONSSEEDING MIXTURE (FALL) SPECIES* RATE (L
B
/
A
C
R
E
)
RYE GRAIN (SECALE CEREALE)
1
2
0
SEEDING MIXTURE (LATE WINTER EARLY SPRING)SPECIES* RATE (L
B
/
A
C
R
E
)
RYE GRAIN (SECALE CEREALE)
1
2
0
SEEDING MIXTURE (SUMMER)SPECIES* RATE (L
B
/
A
C
R
E
)
GERMAN MILLET (SETARIA ITALICA)
4
0
SEEDING DATES (PIEDMONT)FALL:AUG. 15
-
D
E
C
.
3
0
LATE WINTER (EARLY SPRING): JAN. 1 - MAY 1 LATESUMMER:MAY 1 -
A
U
G
.
1
5
SOIL AMENDMENTSFOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB/ACR
E
G
R
O
U
N
D
AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-10-10 FERTILIZER.MULCHAPPLY 4,000 LB/ACRE STRAW. ANCHOR MULCH BY TACKING WITH
A
S
P
H
A
L
T
,
ROVING OR A MULCH ANCHORING TOOL. A DISK WITH BLADES S
E
T
N
E
A
R
L
Y
STRAIGHT CAN BE USED AS A MULCH ANCHORING. TOOL.MAINTENANCERE-FERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, RE-FER
T
I
L
I
Z
E
A
N
D
MULCH IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.PURSUANT TO G.S. 113A-57(2), THE ANGLE FOR GRADED SLOPES AND F
I
L
L
S
S
H
A
L
L
BE NO GREATER THAN THE ANGLE THAT CAN BE RETAINED BY V
E
G
E
T
A
T
I
V
E
COVER OR OTHER ADEQUATE EROSION-CONTROL DEVICES OR STRU
C
T
U
R
E
S
.
I
N
ANY EVENT, 3H:1V OR GREATER SLOPES LEFT EXPOSED WILL,
W
I
T
H
I
N
7
CALENDAR DAYS OF COMPLETION OF ANY PHASE OF GRADING, BE P
L
A
N
T
E
D
O
R
OTHERWISE PROVIDED WITH TEMPORARY OR PERMANENT GROU
N
D
C
O
V
E
R
,
DEVICES, OR STRUCTURES SUFFICIENT TO RESTRAIN EROSION.PURSUANT TO G.S. 113A-57(3), PROVISIONS FOR PERMANENT GRO
U
N
D
C
O
V
E
R
SUFFICIENT TO RESTRAIN EROSION MUST BE ACCOMPLISHED
F
O
R
A
L
L
DISTURBED AREAS WITHIN 14 WORKING DAYS FOLLOWING COMP
L
E
T
I
O
N
O
F
CONSTRUCTION OR DEVELOPMENT.*REF: 6.10 A,B AND C, NC EROSION AND SEDIMENT CONTROL PLA
N
N
I
N
G
A
N
D
DESIGN MANUAL, 2013.PERMANENT SEEDING SPECIFICATIONSSEEDING MIXTURESPECIES*RATE
(
L
B
/
A
C
R
E
)
TALL FESCUE (FESTUCA ARUNDINACEA) (GRASS LINED CHANNELS)
2
0
0
TALL FESCUE (FESTUCA ARUNDINACEA) (OTHER AREAS)
1
0
0
NURSE PLANTSBETWEEN MAY 1 AND AUG. 15, ADD 10 LB/ACRE GERMAN MILLET (SETA
R
I
A
I
T
A
L
I
C
A
)
OR 15 LB/ACRE SUDAN GRASS. PRIOR TO MAY 1 OR AFTER AUG.
1
5
,
A
D
D
4
0
LB/ACRE RYE GRAIN (SECALE CEREALE).SEEDING DATESBESTPOSSIB
L
E
FALL: AUG. 25 - SEPT. 15 AUG. 20
-
O
C
T
.
2
5
LATE WINTER:FEB. 15 - MAR. 21FEB. 1 -
A
P
R
.
1
5
SOIL AMENDMENTSA NORTH CAROLINA DEPARTMENT OF AGRICULTURE SOILS TEST (
O
R
E
Q
U
A
L
)
SHALL BE OBTAINED FOR ALL AREAS TO BE SEEDED, SPRIGGED, S
O
D
D
E
D
O
R
PLANTED. RECOMMENDED FERTILIZER AND PH ADJUSTING PRODUCT
S
S
H
A
L
L
B
E
INCORPORATED INTO THE PREPARED AREAS AND BACKFILL MATERIAL
P
E
R
T
E
S
T
S
TAKEN PRIOR TO, DURING AND AFTER CONSTRUCTION.MULCHAPPLY 4,000-5,000 LB/ACRE GRAIN STRAW OR EQUIVALENT COVER O
F
A
N
O
T
H
E
R
SUITABLE MULCHING MATERIAL. ANCHOR MULCH BY TACKING WIT
H
A
S
P
H
A
L
T
,
ROVING, OR NETTING. NETTING IS THE PREFERRED ANCHORING M
E
T
H
O
D
O
N
STEEP SLOPES.MAINTENANCERE-FERTILIZE IN THE SECOND YEAR UNLESS GROWTH IS FULLY ADEQ
U
A
T
E
.
M
A
Y
BE MOWED ONCE OR TWICE A YEAR, BUT MOWING IS NOT NECESSAR
Y
.
R
E
S
E
E
D
,
FERTILIZE, AND MULCH DAMAGED AREAS IMMEDIATELY.PURSUANT TO G.S. 113A-57(3), PROVISIONS FOR PERMANENT GRO
U
N
D
C
O
V
E
R
SUFFICIENT TO RESTRAIN EROSION MUST BE ACCOMPLISHED
F
O
R
A
L
L
DISTURBED AREAS WITHIN 14 WORKING DAYS.*REF: 6.11 NC EROSION AND SEDIMENT CONTROL PLANNING A
N
D
D
E
S
I
G
N
MANUAL, 2013.
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