SW3240305_Plansheet - Misc. Detail_20240604 (2)

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PART III PART III PART III = 029501 = co
SELF-INSPECTION, RECORDKEEPING AND REPORTING SELF-INSPECTION, RECORDKEEPING AND REPORTING SELF-INSPECTION, RECORDKEEPING AND REPORTING
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SECTION A: SELF-INSPECTION % E. coy- \\ Q
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SECTION B. RECORDKEEPING SECTION C. REPORTING 0
12/12/2023 N
Self-inspections are required during normal business hours in accordance with the table 1. E&SC Plan Documentation 1. Occurrences that Must be Reported o
A below. When adverse weather or site conditions would cause the safety of the inspection w w w > LU Q
The approved E&SC plan as well as any approved deviation shall be kept on the site. The Permittees shall report the following occurrences:
personnel to be in jeopardy, the inspection may be delayed until the next business day on approved E&SC Ian must be kept up-to-date throughout the coverage under this permit. Q o
P p p- g g p (a� Visible sediment deposition in a stream or wetland.
which it is safe to perform the inspection. In addition, when a storm event of equal to or m m m The following items pertaining to the E&SC plan shall be kept on site and available for >-
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greater than 1.0 inch occurs outside of normal business hours, the self-inspection shall be inspection at all times during normal business hours.
performed upon the commencement of the next business day. Any time when inspections (b) nil spills if:
were delayed shall be noted in the Inspection Record. Item to Document Documentation Requirements . They are 25 gallons or more,
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Frequency (a) Each E&SC measure has been installed Initial and date each E&SC measure on a copy . They are less than 25 gallons but cannot be cleaned up within 24 hours, Q
Inspect (during normal Inspection records must include: and does not significantly deviate from the of the approved E&SC plan or complete, date w LU
business hours) locations, dimensions and relative elevations and sign an inspection report that lists each ■ They cause sheen on surface waters (regardless of volume), or , om
1 Rain gauge Dail Dail rainfall amounts. aQ
( ) y y shown on the approved E&SC plan. E&SC measure shown on the approved E&SC . They are within 100 feet of surface waters (regardless of volume). =LL
maintained in If no daily rain gauge observations are made during weekend or HO
good working holiday periods, and no individual-day rainfall information is plan. This documentation is required upon the wz
initial installation of the E&SC measures or if C)�
order available record the cumulative rain measurement for those un- Q
the E&SC measures are modified after initial (c) Releases ❑f hazardous substances in excess of reportable quantities under Section 311 of E2
attended days (anc this will determine if a site inspection is _O Y co o
needed). Days on v\,hich no rainfall occurred shall be recorded as installation, of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA C/) = J�
"zero." The permittee may use another rain-monitoring device ' w U oa
(b) A phase of grading has been completed. Initial and date a copy of the approved E&SC (Ref: 40 CFR 302.4} or G.S. 143-215.85. � co �w
approved by the Division. U
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(2) E&SC At least once per 1. Identification of the measures inspected, plan or complete, date and sign an inspection Z o of
Measures 7 calendar days 2. Date and time of the inspection, report to indicate completion of the a 3:w w
(d) Anticipated bypasses and unanticipated bypasses. 10 LL=
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and within 24 3. Name of the person performing the inspection, construction phase. °
hours of a rain 4. Indication of whether the measures were operating V) z z w o
(c) Ground cover is located and installed Initial and date a copy of the approved E&SC Z LULU
event > 1.0 inch in properly, o J J
24 hours 5. Description of m2intenance needs for the measure, in accordance with the approved E&SC plan or complete, date and sign an inspection (e) Noncompliance with the conditions of this permit that may endanger health or the
B 6. Description, evidence, and date of corrective actions taken. plan. report to indicate compliance with approved environment. o 0 0 o z w
(3) stormwater At least once per 1. Identification of the discharge outfalls inspected, ground cover specifications. > > > Y U
discharge 7 calendar days 2. Date and time of the inspection, v_ v_ v_ z
} p performing p (d) The maintenance and repair Complete, date and sign an inspection report. 2. Reporting Timeframes and Other Requirements m m w=outfalls SDCs and within 24 3. Name of the person erformin the inspection, N N N of�
hours of a rain 4. Evidence of indicators of stormwater pollution such as oil requirements for all E&SC measures N N N =°
event 1.o inch in sheen, floating or suspended solids or discoloration, have been performed. After a permittee becomes aware of an occurrence that must be reported, he shall contact o Q Z o LU Q
24 hours 5. Indication of visible sediment leaving the site, the appropriate Division regional office within the tmeframes and in accordance with the Ln
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6. Descri lion evidence, and date of corrective actions taken. (e) Corrective actions have been taken Initial and date a copy of the approved E&SC z
p other requirements listed below. Occurrences outside normal business hours may also be o m Q o z a�
(4) Perimeter of At least ante per If visible sedimentation is found outside site limits, then a record to E&SC measures. plan or complete, date and sign an inspection reported to the Department's Environmental Emergency Center personnel at (800) z 0 O Q
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site 7 calendar days of the following shall be made: report to indicate the completion of the U)of
and within 24 1. Actions taken to clean up or stabilize the sediment that has left corrective action. 858-0368. Z O
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hours of a rain the site limits,
event > 1.0 inch in 2. Description, evidence and date of corrective actions taken and 2. Additional Documentation to be Kept on Site Occurrence Reporting Timeframes (After Discovery) and Other Requirements l" o o
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24 hours 3. An explanation as to the actions taken to control future In addition to the E&SC plan documents above, the following items shall be kept on the (a) Visible sediment + Within 24 hours, an oral or electronic notification. I Z o Q d
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site and available for inspectors at all times during normal business hours, unless the deposition in a . Within 7calendardays, a report thatcontains a description of the oQ N o=
(5) Streams or At least once per If the stream or wetland has increased visible sedimentation or a z LU Q
Division provides a site-specific exemption based on unique site conditions that make stream or wetland sediment and actions taken to address the cause of the deposition. �w; w w w
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wetlands onsite 7 calendar days stream has visible increased turbidity from the construction cn- o
or offsite and within 24 activity,then a record of the following shall be made: this requirement not practical: Division staff may waive the requirement for a written report on a } 0)Ld= Q � p Q o
(where hours of a rain 1. Description, evidence and date of corrective actions taken, and case-by-case basis. Q cq J� J � U z Z
accessible) event > 1.0 inch in 2. Records of the required reports to the appropriate Division (a� This General Permit as well as the Certificate of Coverage, after it is received. + If the stream is named on the NC 303(d) list as impaired for sediment- " mo J 0 _ _ ?o
24 hour5 Regional office per Part III, Section C, Item (2)(a) of this permit. related causes, the permittee may be required to perform additional X�,� Q o co
(6) Ground After each phase 1. The phase of grading (installation of perimeter E&SC monitoring, inspections or apply more stringent practices if staff w ``F,� _ Z o 0
(b) Records of inspections made during the previous twelve months. The permittee shall
stabilization of grading measures, clearing and grubbing, installation of storm m w � O U LU Q
determine that additional requirements are needed to assure compliance �,r Z= � � _ �
measures drainage facilities, completion of all land-disturbing record the required observations on the Inspection Record Form provided by the LO0U
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with the federal or state impaired-waters conditions. o N o Z Q Z)Z z p
activity, construction or redevelopment, permanent Division or a similar inspection form that includes all the required elements. Use of 0Q� �w w O J z
b Oils ills and o Within Z4 hours, an oral or electronic notification. The notification Z m Q Q �' w cn o' Z
C ground cover). p J�,z J ` Y . Q
electronically-available records in lieu of the required paper copies will be allowed if release of shall include information about the date
2. Documentation that the required ground stabilization time, nature, volume and Z Of moo o Lo v
shown to provide equal access and utility as the hard-co records. zQ�QQ
measures have been provided within the required p q y hard-copy hazardous location of the spill cr release. o c)C
timeframe or an assurance that they will be provided as substances per Item "� °
soon as possible. 3. Documentation to be Retained for Three Years o o o U)
p 1(b)-(c) above Z o_Z Z Ui
All data used to complete the e-NOI and all inspection records shall be maintained for a period (c) Anticipated + A report of least ten days before the date of the bypass, if possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement. of three years after project completion and made available upon request. [40 CFR 122.41] bypasses [40 CFR The report shall include an evaluation of the anticipated quality and U)
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122.41(m)(3)] effect of the bypass. o Q (�
PART II, SECTION G, ITEM (4) (d) Unanticipated • Within 24 hours, an oral or electronic notification. z Z
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DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT bypasses [40 CFR Within 7calendardays, a report that includes an evaluation of the O W >_
122.41(m)(3)] quality and effect of the bypass. Q
(e) Noncompliance • Within 24 hours, an DraI or electronic notification. m J Z
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down with the conditions Within 7 calendar days, a report that contains a description of the U L 0
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for maintenance or close out unless this Is Infeasible. The circumstances In which It Is not feasible to withdraw water from the surface shall be rare (for example, times with extended cold weather). of this permit that noncompliance, and its causes; the period of noncompliance,
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Non-surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met: may endanger including exact dates and times, and if the noncompliance has not o
health or the been corrected, the anticipated time noncompliance is expected to r Q
environment[40 continue; and steps taken or planned to reduce, eliminate, and LUU �
(a) The E&SC plan authority has been provided with documentation of the non-surface withdrawal and the specific time periods or conditions in which it will occur. The non-surface withdrawal CFR 122.41(I){7}] prevent reoccurrence of the noncompliance. [ I❑ CFR 122.41(I)(5). w Z �
shall not commence until the E&SC plan authority has approved these items, o O Q
+ Division staff may waive the requirement for a written report on a J
(b) The non-surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit, case-by-case basis. Y O Q
(c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include Q U
properly sited, designed and maintained dewatering tanks, weir tanks, and filtration systems,
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(d) Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item (c) above, ,ink
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(e) Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and ,
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(f) Sediment removed from the dewatering treatment devices described In Item (c) above Is disposed of In a manner that does not cause deposition of sediment Into waters of the United States. . y AS NOTED
VERIFY SCALE
BAR IS ONE INCH ON
NCGO 1 SELF-INSPECTION RECORDKEEPING AND REPORTING EFFECTIVE : 04/01 / 19 BORIGINALDRAWING.
DATE DECEMBER 2023
PROJ D3717400
DWG C-07
SHEET 7 of 11
FILENAME: Erosion Details.dwg PLOT DATE: 12/12/2023 PLOT TIME: 11:57:33 AM