20090266 Ver 5_Erosion Control Plan_20180727

Greenville Township, Pitt County, North CarolinaDate:
REVISIONS:1721 Waterway Road07-26-2016Engineers & Planners3280 Charles Blvd. | Suite BGreenville, NC 27858(252) 558-0888www.arkconsultinggroup.comNC License: P-1199Project Manager:
Drawn By:
Checked By:
Project Number:
Drawing Number:
16020
D-1077
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BCFRKConsulting Group, PLLC08/04/16WATER TREATMENT PLANTCOVER SHEETC-1SUNNYBROOK RDW.
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SITE
0 200'100'200'
1 inch = ft200SCALE
Sheet No. C-1 Cover
Sheet No. C-2 Dredge Discharge Area 1
Sheet No. C-3 Dredge Discharge Area 2
Survey 2 Sheets
(Spruill & Associates, P.A.)
Survey Note:
BOUNDARY AND TOPOGRAPHIC INFORMATION SHOWN HEREON WAS PREPARED BY
SPRUILL & ASSOCIATES INC., AS SHOWN ON DRAWING ENTITLED TOPOGRAPHIC SURVEY
FOR GREENVILLE UTILITIES COMMISSION A PORTION OF THE WATER TREATMENT PLANT,
DATED MAY 30, 2016, ATTACHED TO THIS DRAWING SET FOR REFERENCE.
Erosion Control Measures:
Proposed Project:
1. Construction and implementation of appropriate 1 Week
sedimentation and erosion control measures.
3. Dredging Operations 4 Weeks
5. Seeding & Mulching 1 Week
6. Removal of Erosion Control Measures 1 Week
2. Construct Ditches to Receive Dredge Discharge 2 Weeks
Erosion And Sedimentation Control Provisions:
General Notes:
1. OBTAIN AND POST A COPY OF THE CERTIFICATE OF EROSION CONTROL PLAN APPROVAL
AT THE PRIMARY ENTRANCE TO EACH PROJECT AREA. CERTIFICATE SHALL REMAIN UNTIL
THE SITE IS PERMANENTLY STABILIZED.
2. ROCK INLET SEDIMENT TRAPS TO BE INSTALLED AROUND EACH CATCH BASIN AND DROP
INLET AND ALL LOCATIONS INDICATED ON PLANS.
3. ALL DISTURBED AREAS SHALL BE PERMANENTLY SEEDED.
4. MINIMIZE CLEARING AND PROTECT EXISTING VEGETATION OUTSIDE CONSTRUCTION
LIMITS.
5. EXISTING ON-SITE DRIVEWAYS SHALL SERVE AS CONSTRUCTION ENTRANCES.
6. SEED OR OTHERWISE PROVIDE GROUND COVER DEVICES OR STRUCTURES SUFFICIENT TO
RESTRAIN EROSION FOR ALL EXPOSED SLOPES WITHIN 7 DAYS OF COMPLETION OF ANY
PHASE OF GRADING ON PERIMETER AREAS AND SLOPES STEEPER THAN 3:1. ALL OTHER
AREAS SHALL BE STABILIZED WITHIN 14 DAYS.
7. CONTRACTOR SHALL INSPECT AND MAINTAIN AS NEEDED ALL EROSION CONTROL DEVICES
ON A WEEKLY BASIS AND AFTER EACH MAJOR STORM EVENT. FAILURE TO KEEP ALL
EROSION CONTROL DEVICES IN PROPER WORKING ORDER MAY RESULT IN A STOP WORK
ORDER OR CIVIL PENALTIES UP TO $5000.00 PER DAY OF VIOLATION.
The project consists of dredging of existing water impoundments.
1. CONTRACTOR SHALL CONTACT NC ONE-CALL (1-800-632-4949) 72 HRS. IN ADVANCE
AND HAVE ALL UNDERGROUND UTILITIES LOCATED PRIOR TO EXCAVATING OR
TRENCHING.
2. NO NEW IMPERVIOUS AREA WILL BE INSTALLED AS A PART OF THIS PROJECT. A
STORMWATER MANAGEMENT PLAN IS NOT REQUIRED.
3. ACCEPTANCE AND APPROVAL OF THIS PLAN IS CONDITIONED UPON THE
CONTRACTORS COMPLIANCE WITH FEDERAL AND STATE WATER QUALITY LAWS,
REGULATION AND RULES. IN ADDITION LOCAL CITY AND COUNTY ORDINANCES OR
RULES MAY ALSO APPLY TO THIS LAND DISTURBING ACTIVITY. APPROVAL OF THE
EROSION CONTROL PLAN DOES NOT SUPERSEDE ANY OTHER PERMIT OR APPROVAL.
4. BE ADVISED OF THE RULES TO PROTECT AND MAINTAIN EXISTING BUFFERS ALONG
WATERCOURSES IN THE NEUSE AND TAR / PAMLICO RIVER BASINS. THESE RULES ARE
ENFORCED BY THE DIVISION OF WATER RESOURCES (DWR). DIRECT ANY QUESTIONS
ABOUT THE APPLICABILITY OF THESE RULES TO THE PROJECT TO THE REGIONAL WATER
QUALITY SUPERVISOR, WASHINGTON REGIONAL OFFICE AT [phone].
An anticipated time schedule of 3 months is expected for this project.
OWNER
Sheet Index:
GREENVILLE UTILITIES COMMISSION
PO BOX 1847
GREENVILLE, N.C. 27835
[phone]
GREENVILLE UTILITIES COMMISSION
EROSION & SEDIMENTATION CONTROL PLAN
1721 WATERWAY ROAD
4. Backfill Ditches and Grade Site 2 Weeks
4. Ground Stabilization (Per NCG010000)
a. Soil stabilization shall be achieved on any area of a site where land-disturbing activities have temporarily or permanently
ceased according to the following schedule:
i. All perimeter dikes, swales, ditches, perimeter slopes and all slopes steeper than 3 horizontal to 1 vertical (3:1) shall be
provided temporary or permanent stabilization with ground cover as soon as practicable but in any event within 7
calendar days from the last land-disturbing activity.
ii. All other disturbed areas shall be provided temporary or permanent stabilization with ground cover as soon as practicable
but in any event within 14 calendar days from the last land-disturbing activity.
b. Conditions - In meeting the stabilization requirements above, the following conditions or exemptions shall apply:
i. Extensions of time may be approved by the permitting authority based on weather or other site-specific conditions that
make compliance impracticable.
ii. All slopes 50' in length or greater shall apply the ground cover within 7 days except when the slope is flatter than 4:1.
Slopes less than 50' shall apply ground cover within 14 days except when slopes are steeper than 3:1, the 7
day-requirement applies.
iii. Any sloped area flatter than 4:1 shall be exempt from the 7-day ground cover requirement.
iv. Slopes 10' or less in length shall be exempt from the 7-day ground cover requirement except when the slope is steeper
than 2:1.
v. Although stabilization is usually specified as ground cover, other methods, such as chemical stabilization, may be allowed
on a case-by-case basis.
vi. For portions of projects within one mile and draining to trout waters and High Quality Waters as classified by the
Environmental Management Commission, stabilization with ground cover shall be achieved as soon as practicable but in
any event on all areas of the site within 7 calendar days from the last land-disturbing act.
vii. For portions of projects located in Outstanding Resource Waters watersheds as classified by the Environmental
Management Commission, stabilization with ground cover shall be achieved as soon as practicable but in any event on all
areas within 7 calendar days from the last land-disturbing act.
viii. Portions of a site that are lower in elevation than adjacent discharge locations and are not expected to discharge during
construction may be exempt from the temporary ground cover requirements if identified on the approved E&SC plan or
added by the permitting authority.
5. Self Inspection and Reporting Requirements (Per NCG010000)
Minimum self inspection and reporting requirements are as follows unless otherwise approved in writing by the Division of
Water Quality.
a. A rain gauge shall be maintained in good working order on the site unless another rain monitoring device has been
approved by the permitting authority.
b. A written record of the daily rainfall amounts shall be retained and all records shall be made available to DWQ or
authorized agent upon request (Note: if no rainfall occurred, the permittee must record “zero”).
c. Erosion and sedimentation control measures shall be inspected to ensure that they are operating correctly. Inspection
records must be maintained for each inspection event and for each measure. At a minimum, inspection of measures must
occur at the frequency indicated below:
i. All erosion and sedimentation control measures must be inspected by or under the direction of the permittee at least once
every seven calendar days, and
ii. All erosion and sediment control measures must be inspected by or under the direction of the permittee within 24 hours
after any storm event of greater than 0.50 inches of rain per 24 hour period.
iii. Times when a determination that adverse weather conditions prevented inspections should be documented on the
Inspection Record.
d. Once land disturbance has begun on the site, stormwater runoff discharge outfalls shall be inspected by observation for
erosion, sedimentation and other stormwater discharge characteristics such as clarity, floating solids, and oil sheens.
Inspections of the outfalls shall be made at least once every seven calendar days and within 24 hours after any storm
event of greater than 0.50 inches of rain per 24 hour period.
e. Inspections are only required to be made during normal business hours. When adverse weather conditions would cause
the safety of the inspection personnel to be in jeopardy, the inspection can be delayed until it is deemed safe to perform
these duties. If the inspection cannot be done on that day, it must be completed on the following business day.
f. Twenty-four Hour Reporting for visible sediment deposition
i. The permittee shall report to the Division of Water Quality central office or the appropriate regional office any visible
sediment being deposited in any stream or wetland or any noncompliance which may endanger health or the
environment. (See Section IX of this permit for contact information.) Any information shall be provided orally or
electronically within 24 hours from the time the permittee became aware of the circumstances. Visible discoloration or
suspended solids in the effluent should be recorded on the Inspection Record as provided below.
ii. A written submission shall be provided to the appropriate regional office of the DWQ within 5 days of the time the
permittee becomes aware of the circumstances. The written submission shall contain a description of the sediment
deposition and actions taken to address the cause of the deposition. The Division of Water Quality staff may waive the
requirement for a written report on a case-by-case basis.
g. Records of inspections made during the previous 30 days shall remain on the site and available for agency inspectors at all
times during normal working hours, unless the permitting authority provides a site-specific exemption based on unique
site conditions that make this requirement not practical. Older records must be maintained for a period of one year after
project completion and made available upon request. The records must provide the details of each inspection including
observations, and actions taken in accordance with this permit. The permittee shall record the required rainfall and
monitoring observations on the “Inspection Record for Activities Under Stormwater General Permit NCG010000” form
provided by the Division or a similar inspection form that is inclusive of all of the elements contained in the Division's form.
Electronic storage of records will be allowed if approved by the permitting authority.
h. Inspection records must include, at a minimum, the following:
i. Control Measure Inspections: Inspection records must include at a minimum:
1. identification of the measures inspected,
2. date and time of the inspection,
3. name of the person performing the inspection,
4. indication of whether the measures were operating properly,
5. description of maintenance needs for the measure,
6. corrective actions taken and
7. date of actions taken.
ii. Stormwater Discharge Inspections: Inspection records must include at a minimum:
1. identification of the discharge outfall inspected,
2. date and time of the inspection,
3. name of the person performing the inspection,
4. evidence of indicators of stormwater pollution such as oil sheen, floating or suspended solids or discoloration,
5. indication of visible sediment leaving the site,
6. actions taken to correct/prevent sedimentation and
7. date of actions taken.
iii. Visible Sedimentation Found Outside the Site Limits: Inspection records must include:
1. an explanation as to the actions taken to control future releases,
2. actions taken to clean up or stabilize the sediment that has left the site limits and
3. the date of actions taken.
iv. Visible Sedimentation Found in Streams or Wetlands: All inspections should include evaluation of streams or wetlands
onsite or offsite (where accessible) to determine if visible sedimentation has occurred.
v. Visible Stream Turbidity - If the discharge from a site results in visible stream turbidity, inspection records must record that
evidence and actions taken to reduce sediment contributions. Sites discharging to streams named on the state's 303(d) list
as impaired for sediment-related causes may be required to perform additional monitoring, inspections or application of
more-stringent management practices if it is determined that the additional requirements are needed to assure
compliance with the federal or state impaired-waters conditions. If a discharge covered by this permit enters a stream
segment that is listed on the Impaired Stream List for sediment-related causes, and a Total Maximum Daily Load (TMDL)
has been prepared for those pollutants, the permittee must implement measures to ensure that the discharge of
pollutants from the site is consistent with the assumptions and meets the requirements of the approved TMDL. The DWQ
303(d) list can be found at: http://h2o.enr.state.nc.us/tmdl/General_303d.htm/
6. All erosion and sedimentation control devices shall remain in place and be maintained by the Contractor until all seeding is
established and construction areas have been stabilized.
7. Temporary Seeding - Seed in accordance with Soil Conservation Service recommendations with regard to seed type, rate of
application, fertilizer, etc.
1. All work will be done in accordance with the Sedimentation Control Act of 1973, the North Carolina Department of
Environment and Natural Resources. No land disturbing activity beyond that required to install the appropriate erosion control
measures may proceed until measures are inspected and approved.
2. Prior to topsoil stripping or demolition operations, silt fence and check dams shall be installed as shown on the construction
drawings.
3. Seed bed preparation shall be conducted according to North Carolina Department of Transportation Standard Specifications
for Roads and Structures (D.O.T.). The ground surface shall be cleared of stumps, stones, roots, cables, wire, grade stakes, and
other materials that might hinder proper grading, tillage, seeding or subsequent maintenance operations. Grades on the area
to be seeded shall be maintained in a true and even condition. Maintenance shall include any necessary repairs to previously
graded areas. All graded areas shall be thoroughly tilled to a depth of at least four (4) inches by plowing, disking, harrowing, or
other approved methods until the condition of the soil is acceptable. On sites where soil conditions are such that high clay
content and excessive compaction cause difficulty in getting clods and lumps effectively pulverized, the Contractor shall use
the rotary tillage machinery until the mixing of the soil is acceptable and no clods or clumps remain larger than 1 1/2 inches in
diameter. A firm and compact seed bed is required and after being graded, the seed bed shall be lightly compacted with a
land roller, such as a cultipacker, before and after seeding. Limestone shall be dolomitic agriculture ground limestone
containing not less than 10 percent magnesium oxide. Lime shall be uniformly applied at the rate of 2 tons per acre. Fertilizer
shall be uniformly applied at a rate of 500 pounds per acre of 10-20-20 analysis. The fertilizer shall be incorporated into the
upper three or four inches of prepared seed bed just prior to the last tillage operation, but in no case shall it be applied more
than three days prior to seeding. Fertilizer shall be used immediately after delivery or stored in a manner that will not permit
it to harden or destroy its effectiveness.
When hydroseeding equipment is used for seeding, fertilizer shall be applied simultaneously with seed, using the above rates
of application. Seed shall be certified seed or equivalent based on North Carolina Seed Improvement Association requirements
for certification. All seed shall be furnished in sealed standard containers. Seed which has become wet, moldy, or otherwise
damaged prior to seeding will not be acceptable. Seeding shall be accomplished with hand planters, power- drawn planters,
hand packers, or hydroseeding equipment at the rates prescribed in the Permanent Seeding Schedule at left:
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AREA 1
Site Data
TOTAL ACREAGE IN SITE: 147± AC.
TAX MAP NUMBER:4679
TAX PARCEL NUMBER:20440, 12732, 20439, 39180
CURRENT ZONING: RA-20
DISTURBED ACREAGE:15.0 AC.
RIVER BASIN:TAR-PAMLICO
ADDRESS:1721 WATERWAY ROAD
DREDGE
DISCHARGE
AREA 1 DREDGE DISCHARGEAREA 2IMPOUNDMENT
AREA 2
LODLODLODLODLODLODLODLOD
LOD
LOD
LOD
LOD
LOD
LODLODLODLODLOD LOD LOD LOD LOD LOD LOD LOD LOD
LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD
LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD25UNIFORMLY GRADE
WITHIN LIMITS OFDISTURBANCE
UNIFORMLY GRADE
WITHIN LIMITS OF
DISTURBANCE
UNIFORMLY GRADEWITHIN LIMITS OF
DISTURBANCE
UNIFORMLY GRADEWITHIN LIMITS OFDISTURBANCE
UNIFORMLY GRADE TO
ELEVATION 25 WITHIN
LIMITS OF DISTURBANCE19EXISTING BASIN T
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(PROTECT)
LIMITS OF
DISTURBANCE
(9.9 ACRES)
FILL EXISTING DITCH(S)
FILL EXISTING DITCH(S)
FILL EXISTING DITCH(S)
PROTECT24
2425252526262626252424FILL EXISTING DITCH(S)23FILL EXISTING DITCH(S)
LEGEND
LOD
SF Greenville Township, Pitt County, North CarolinaDate:
REVISIONS:1721 Waterway Road07-26-2016Engineers & Planners3280 Charles Blvd. | Suite BGreenville, NC 27858(252) 558-0888www.arkconsultinggroup.comNC License: P-1199Project Manager:
Drawn By:
Checked By:
Project Number:
Drawing Number:
16020
D-1077
STA
EW
BCFRKConsulting Group, PLLCRev. 08/04/16WATER TREATMENT PLANTGRADING PLAN AND EROSION CONTROL PLANC-2040'20'40'
1 inch = ft40SCALE
DREDGE DISCHARGE AREA 1
LOD
LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD(PROTECT)LIMITS OF DISTURBANCE
(5.0 ACRES)
SETTLEMENTDITCHES
SETTLEMENT
DITCHES
SETTLEMENTDITCHES
SETTLEMENTDITCHES
SETTLEMENT
DITCHES
ROCK INLET
SEDIMENT TRAP
PROTECT EXISTING PIPE
PROTECT EXISTING PIPE
(PROTECT)
212019
201918
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24232221202120
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20202020211918192020191820192122
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LEGEND
LOD
SF
Greenville Township, Pitt County, North CarolinaDate:
REVISIONS:1721 Waterway Road07-26-2016Engineers & Planners3280 Charles Blvd. | Suite BGreenville, NC 27858(252) 558-0888www.arkconsultinggroup.comNC License: P-1199Project Manager:
Drawn By:
Checked By:
Project Number:
Drawing Number:
16020
D-1077
STA
EW
BCFRKConsulting Group, PLLCRev. 08/04/16WATER TREATMENT PLANTGRADING AND EROSION CONTROL PLANC-3
0 40'20'40'
1 inch = ft40SCALE
DREDGE DISCHARGE AREA 2
WIRE FABRIC
UV RESISTANT
GEOTEXTILE FABRIC
TAMPED
BACKFILL
6' MAX. EXTRA STRENGTH FABRIC W/O WIRE FENCE
12 GAUGE, 4"x 4" WELDED WIRE FABRIC
8' MAX. STANDARD STRENGTH FABRIC W/ WIRE FENCE
24"FILL SLOPE
36"GROUND LINE24"NOTES:
INSPECT SEDIMENT FENCES AT
LEAST ONCE A WEEK AND AFTER
EACH RAINFALL. MAKE ANY
REQUIRED REPAIRS IMMEDIATELY.
SHOULD THE FABRIC OF A
SEDIMENT FENCE COLLAPSE, TEAR,
DECOMPOSE OR BECOME
INEFFECTIVE, REPLACE IT
PROMPTLY.
REMOVE SEDIMENT DEPOSITS AS
NECESSARY TO PROVIDE ADEQUATE
STORAGE VOLUME FOR THE NEXT
RAIN AND TO REDUCE PRESSURE ON
THE FENCE. TAKE CARE TO AVOID
UNDERMINING THE FENCE DURING
CLEANOUT.
REMOVE ALL FENCING MATERIALS
AND UNSTABLE SEDIMENT
DEPOSITS AND BRING THE AREA TO
GRADE AND STABILIZE IT AFTER THE
CONTRIBUTING DRAINAGE AREA
HAS BEEN PROPERLY STABILIZED.
STEEL POST
TEMPORARY SILT FENCE
(NOT TO SCALE)
8" DOWN & 4" FORWARD
ALONG THE TRENCH
4' MIN.TOP OF SILT FENCEMUST BE AT LEAST1' ABOVE THE TOPOF WASHED STONE30" MIN.HEIGHTOF STONEBURY WIRE FENCE, FILTER
FABRIC AND HARDWARE
CLOTH IN TRENCH
STEEL FENCE POST SET MAX 2'
APART18" INTO SOLID GROUND
SILT FENCE
BURY 6" OF UPPER
EDGE OF FILTER
FABRIC IN TRENCH
BURY WIRE FENCE AND
HARDWARE CLOTH
3' FILTER
FABRIC ON
GROUND
FILTER STONE
FILTER OF 1" DIA.
WASHED STONE
SECTION VIEW
FRONT VIEW
SILT FENCE OUTLET
(NOT TO SCALE)
MAXIMUM POST SPACING 4 FT.
SECTION A-A
MULTI-DIRECTIONAL FLOW
CONTROL STONE
SEDIMENT
2'
2'
1'-6"
A
DIMENSION VARIABLE
AVERAGE BOX
2'
*
6"
*
12"
1/4" WIRE MESH
A
NOTES:
SEDIMENT CONTROL STONE SHALL BE NO. 5
OR NO. 57 AND SHALL BE PAID FOR AT THE
CONTRACT UNIT PRICE PER TON "SEDIMENT
CONTROL STONE."
WIRE MESH SHALL BE HARDWARE CLOTH 23
GAUGE MIN. AND SHALL HAVE 1/4 INCH MESH
OPENINGS.
TOP OF WIRE MESH SHALL BE A MINIMUM OF
ONE FOOT BELOW THE SHOULDER OR ANY
DIVERSION POINT.
STEEL POST SHALL BE 5 FT. IN HEIGHT, BE
INSTALLED 1.5 FT. DEEP MINIMUM, AND BE
OF THE SELF-FASTENER ANGLE STEEL TYPE.
WOOD POST SHALL BE 6 FT. IN HEIGHT, BE
INSTALLED TO 1.5 FT. DEEP MINIMUM, AND BE
3 INCHES IN DIAMETER. POST SPACING SHALL
BE A MAXIMUM OF 4 FT.
INSPECT INLETS AT LEAST WEEKLY AND AFTER
EACH SIGNIFICANT (1
2 INCH OR GREATER)
RAINFALL EVENT. CLEAR THE MESH WIRE OF
ANY DEBRIS OR OTHER OBJECTS TO PROVIDE
ADEQUATE FLOW FOR SUBSEQUENT RAINS.
TAKE CARE NOT TO DAMAGE OR UNDERCUT
THE WIRE MESH DURING SEDIMENT
REMOVAL. REPLACE STONE AS NEEDED.
FILTERED
WATER
ROCK INLET SEDIMENT TRAP
(NOT TO SCALE)
Grading Notes:
1. UPON COMPLETION OF DREDGING OPERATIONS, DITCHES SHALL BE BACKFILLED AND
THE AREA SHALL BE UNIFORMLY GRADED TO PROVIDE POSITIVE DRAINAGE.