NCC222251_Site Plan or Location Map_20220617

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NON-INVASIVE PERMANENT: SEEDING / �O
NON-INVASIVE PERMANENT SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING
NON-INVASIVE PERMANENT SEEDING
SEEDING MIXTURE
RECOMMENDATIONS FOR SUMMER
Species
Rate
SEEDING MIXTURE
Centipede
5lbs/acre
Species Rate
Indian Woodoats
1.5-2.5 Ibs/acre`
Indian Woodoats 1.5-2.5 lbs/acre*
Virginia Wild Rye
4-6 Ibs/acre"
Virginia Wild Rye 4-6 Ibs/acre"
*Depending upon mix with other species. See table 6.11.d
I from Chapter 6 of the NC Erosion and Sediment Control
Planning and Design Manual.
I
Seeding Dates
Coastal or Eastern Piedmont for Centipede- Sept. 1 - May 1
Coastal and Piedmont for Indian Woodoats and Virginia
Wild Rye- Feb 15 - April 1
Mountains for Indian Woodoats and Virginia Wild Rye -
March 1 - May 15
Maintenance:
j Significant maintenance may be required to obtain desired
cover once centipede is planted. Acceptable for sodding.
*Depending upon mix with other species.
See table 6.11.d from Chapter 6 of the INC
Erosion and Sediment Control Planning
and Design Manual.
Seeding Dates
Mountains - July 15- Aug 15
Piedmont - Aug 15 - Oct 15
Maintenance:
Indian Woodoats and Virginia Wild Rye
are both sun and shade tolerant.
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SEEDING MIXTURE
Species Rate
Hard Fescue 15 Ibs/acre
Switchgrass 2.5-3.5lbs/acre*
Indian Grass 5-7 Ibs/acre
Big Bluestem 5-7 Ibs/acre"
Indian Woodoats 1.5-2.5 Ibs/acre
Virginia Wild Rye 4-6 Ibs/acre
I
*Depending upon mix with other species. See table 6.11.d from
Chapter 6 of the NC Erosion and Sediment Control Planning and
Design Manual
Seeding Dates
Mountains - Hard Fescue- Aug 1 - June 1
Mountains- Switchgrass, Indian Grass, Big Bluestem- Dec 1 -April 15
Piedmont and Coastal- Switchgrass, Indian Grass, Big Bluestem-
Dec 1 -April 1
Coastal- Indian Woodoats and Virginia Wild Rye- Sept 1 - Nov 1
Maintenance:
Hard Fescue is not recommended for slopes > 5%. Prefers shade.
SEED BED PREPARATION:
LIMING- Apply time according to soil test recommendations. If the pH (acidity) of the soil is not known, an application of ground agricultural limestone at the rate of! to 121 tons/acre on coarse -textured
soils and 2-3 tons/acre on fine -textured soils is usually sufficient. Apply limestone uniformly and incorporate into the top 4-6 inches of soil. Soils with a pH of 6 or higher need not be limed.
FERTILIZER- Base application rates on soil tests. When these are not possible, apply a 10-10-10 grade fertilizer at 700-1,000 lb/acre. Both fertilizer and lime should be incorporated into the top 4-6
inches of soil, if a hydraulic seeder is used, do not mix seed and fertilizer more than 30 minutes before application.
SURFACE ROUGHENING- If recent tillage operations have resulted in a loose surface additional roughening may not be required, except to break up large clods. If rainfall causes the surface to
become sealed or crusted, loosen it just prior to seeding by raking, harrowing, or other suitable methods for fine grading. The finished grade shall be a smooth even soil surface with a loosen
uniformly fine texture. All ridges and depressions shalt be removed and tilled to provide the approved surface drainage. Planting is to be done immediately after finished grades are obtained and
seedbed preparation is completed.
NOTES:
1. Permanent seeding, sodding or other means of stabilization are required when all construction work is completed according to the NPDES tirreframe's table,
2. A North Carolina Department of Agriculture soils test (or equal) is highly recommended to be obtained for all areas to be seeded, sprigged, sodded or planted.
3. Use a seeding mix that will produce fast growing nurse crops and includes non-invasive species that will eventually provide a permanent groundcover. Soil blankets may be used in lieu of nurse
crops. Mat, tack or crimp mulch, as needed to stabilize seeded areas until root establishment. Mulch must be applied uniformly over the soil with a cover density ofat least 80%.
4. Ground cover shall be maintained until permanent vegetation is established and stable against accelerated erosion.
rTozra cA�ollra�• ;._
envu rrf�er°urQ X'��Y PERMANENT SEEDING RECOMMENDATIONS
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TEMPORARY SEEDING RECOMMENDATIONS
DATE
LOCATION
TYPE
RATE
AMENDMENT/MULCH
MAINTENANCE NOTES
FEBRUARY 1 - MAY 15
FEBRUARY 1 - MAY 1
JANUARY l -MAY 1
MOUNTAINS (Above 2,500 ft)
MOUNTAINS (Below 2,500 it)
PIEDMOUNT
C06HALEL61NJ
RYE (GRAIN)
ANNUAL LESPEDEZA (KOBE)
120 LB/ACRE
50 LB/ACRE
AGRICULTURAL LIMESTONE: 3,000 LBS / ACRE
FERTILIZER: 750 LBS / ACRE - T 0-10-10
MULCH: 4,000 LBS / ACRE STRAW. ANCHOR STRAW BY TACKING
WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZER AND MULCH
IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
_
DECEMBER 1 APRIL 15
MAY 15 -AUGUST 15
MAY 1 -AUGUST 15
MOUNTAINS
_ PIEDMOUNT
COASTAL PLAIN I
GERMAN MILLET
40 LB/ACRE
AGRICULTURAL LIMESTONE: 2,000 LBS / ACRE
FERTILIZER: 750 LBS / ACRE - 10-10-10
MULCH: 4,000 LBS / ACRE STRAW. ANCHOR STRAW BY TACKING
WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZER AND MULCH
IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
APRIL 15 - AUGUST 15
AUGUST 15 - DECEMBER 15
AUGUST 15 - DECEMBER 30
MOUNTAINS
PIEDMOUNT
COASTAL PLAIN
RYE (GRAIN)
120 LB/ACRE
AGRICULTURAL LIMESTONE: 2,000 LBS / ACRE
FERTILIZER: 1,000 LBS / ACRE - 10-10-10
MULCH: 4,000 LBS / ACRE STRAW. ANCHOR STRAW BY TACKING
WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOPDRESS WITH 50 LB/ACRE
OF NITROGEN IN MARCH. IF IT IS NECESSARY TO EXTENT TEMPORARY COVER BEYOND
JUNE 15, OVERSEED WITH 50 LB/ACRE KOBE (PIEDMONT AND COASTAL PLAIN) OR
KOREAN (MOUNTAINS) LESPEDEZA IN LATE FEBRUARY OR EARLY MARCH.
AUGUST 15 - DECEMBER 30
AREA
0
2
3
NPDES STABILIZATION SCHEDULE
1) GROUND STABILIZATION
SITE AREA
STABILIZATION
STABILIZATION TIME
DESCRIPTION
TIME FRAME
FRAME EXCEPTIONS
• PERIMETER DIKES,
SWALES, DITCHES,
7 DAYS
NONE
AND SLOPES
• HIGH QUALITY
WATER (HQW)
7 DAYS
NONE
ZONES
IF SLOPES ARE I O' OR
• SLOPES STEEPER
LESS IN LENGTH AND ARE
THAN 3:1
7 DAYS
NOT STEEPER THAN 2: 1,
14 DAYS ARE ALLOWED
• SLOPES 3:1 OR
7-DAYS FOR SLOPES
FLATTER
14 DAYS
GREATER THAN 50 FEET IN
LENGTH
• ALL OTHER AREAS
NONE
WITH SLOPES
14 DAYS
(EXCEPT FOR PERIMETERS
FLATTER THAN 4:1
AND HOW ZONES)
• "EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING AUTHORITY
BASED ON WEATHER OR OTHER SITE -SPECIFIC CONDITIONS THAT MAKE
COMPLIANCE IMPRACTICABLE:' (SECTION 11.6(2)(b))
2) BUILDING WASTES HANDLING
• NO PAINT OR LIQUID WASTES IN STREAM OR STORM DRAINS
• DEDICATED AREAS FOR DEMOLITION, CONSTRUCTION, AND
OTHER WASTES MUST BE LOCATED 50'FROM STORM DRAINS AND
STREAMS UNLESS NO REASONABLE ALTERNATIVES AVAILABLE.
• EARTHEN -MATERIAL STOCKPILES MUST BE LOCATED 50' FROM STORM
DRAINS AND STREAMS UNLESS NO REASONABLE ALTERNATIVES
AVAILABLE.
• CONCRETE MATERIALS MUST BE CONTROLLED TO AVOID CONTACT
WITH SURFACE WATERS, WETLANDS, OR BUFFERS
3) DISCHARGES TO FEDERALLY -LISTED WATERS
• REQUIREMENTS ARE THE SAME AS IN PREVIOUS PERMIT.
• THE PERMIT ALLOWS REDUCTION FROM THE 20 ACRE MINIMUM IF THE
DIRECTOR OF DWQ DETERMINES THAT OTHER BMP'S PROVIDE
EQUIVALENT PROTECTION.
4) INSPECTIONS
• SAME WEEKLY INSPECTION REQUIREMENTS
• SAME RAIN GAUGE & INSPECTIONS AFTER 0.5" RAIN EVENT
• INSPECTIONS ARE ONLY REQUIRED DURING "NORMAL BUSINESS HOURS"
• INSPECTION REPORTS MUST BE AVAILABLE ON -SITE DURING BUSINESS
HOURS UNLESS A SITE -SPECIFIC EXEMPTION IS APPROVED.
• RECORDS MUST BE KEPT FOR 3 YEARS AND AVAILABLE ON REQUEST.
• ELECTRONICALLY -AVAILABLE RECORDS MAY BE SUBSTITUTED UNDER
CERTAIN CONDITIONS.
5) IMPLEMENTATION OF NEW PERMIT CONDITIONS
• PROJECTS PERMITTED UNDER THE PREVIOUS PERMIT CAN CONTINUE
TO FOLLOW THE PREVIOUSLY -PERMITTED CONDITIONS.
• COMPLETE APPLICATIONS RECEIVED PRIOR TO AUGUST 3, 201 1 CAN
FOLLOW CONDITIONS OF APPROVED APPLICATION.
• APPLICATIONS RECEIVED AFTER AUGUST 2, 2011 MUST COMPLY WITH
NEW PERMIT CONDITIONS.
6) CONDITIONS IN EROSION & SEDIMENTATION CONTROL
PLANS *
• DESIGNATION ON THE PLANS WHERE THE 7 AND 14 DAY GROUND
STABILIZATION REQUIREMENTS OF THE NPDES PERMIT APPLY
• DESIGNATION ON THE PLANS WHERE BASINS THAT COMPLY WITH THE
SURFACE -WITHDRAWAL REQUIREMENTS OF THE NPDES PERMIT ARE
LOCATED.
7) SEDIMENT BASINS
• OUTLET STRUCTURES MUST WITHDRAW FROM BASIN SURFACE
UNLESS DRAINAGE AREA IS LESS THAN I ACRE.
• USE ONLY D`NQ-APPROVED FLOCCULANTS.
NPDES STABILIZATION LEGEND
NPDES STABILIZATION AREA 1
NPDES STABILIZATION AREA 2
NPDES STABILIZATION AREA 3
NDPES DOCUMENTATION NOTES
l . THIS PAGE IS SUBMITTED TO COMPLY WITH THE NPDES GENERAL STORMWATER
PERMIT NCG010000.
2. THIS PAGE CAN BE APPROVED BY THE CITY PURSUANT TO NPDES GENERAL
STORMVA(ATER PERMIT NCG010000 ONLY.
3. THIS PAGE OF THE APPROVED PLANS IS ENFORCEABLE EXCLUSIVELY PURSUANT TO
NPDES GENERAL STORMWATER PERMIT NCG010000.
4. THE CITY IS NOT AUTHORIZED TO ENFORCE THIS PAGE OF THE PLANS AND IT IS NOT
A PART OF THE APPROVED PLANS FOR PURPOSES OF ENFORCEMENT ACTION
UNDER THE CITY CODE.
TEMPORARY SEEDBED PREPARATION
1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE
SOIL CONDITIONS, IF AVAILABLE.
2. RIP THE ENTIRE AREA TO 6 INCHES DEEP.
3. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS, LEAVING
SURFACE REASONABLY SMOOTH AND UNIFORM.
4. APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND
MIX WITH SOIL. (SEE ADMIXTURE BELOW)
5. CONTINUE TILLAGE UNTIL A WELL -PULVERIZED, FIRM, REASONABLY UNIFORM
SEEDBED IS PREPARED 4 TO 6 INCHES DEEP.
6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING
EQUIPMENT OR CULTIPACK AFTER SEEDING.
7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH.
8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS
WITHIN THE PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD BE MORE THAN 60%
DAMAGED, RE-ESTABLISH FOLLOWING THE ORIGINAL LIME, FERTILIZER, AND
SEEDING RATES.
9. CONSULT E&SC ENVIRONMENTAL ENGINEERS ON MAINTENANCE TREATMENT AND
FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED.
SEEDBED PREPARATION
1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE
SOIL CONDITIONS, IF AVAILABLE.
2. RIP THE ENTIRE AREA TO 6 INCHES DEEP.
3. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS, LEAVING
SURFACE REASONABLY SMOOTH AND UNIFORM.
4. APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND
MIX WITH SOIL. (SEE ADMIXTURE BELOW)
5. CONTINUE TILLAGE UNTIL A WELL -PULVERIZED, FIRM, REASONABLY UNIFORM
SEEDBED IS PREPARED 4 TO 6 INCHES DEEP.
6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING
EQUIPMENT OR CULTIPACK AFTER SEEDING.
7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH.
8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS
WITHIN THE PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD BE MORE THAN 60%
DAMAGED, RE-ESTABLISH FOLLOWING THE ORIGINAL LIME, FERTILIZER, AND
SEEDING RATES.
9. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS
WITHIN THE PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD BE MORE THAN 50%
DAMAGED, RE-ESTABLISH FOLLOWING THE ORIGINAL LIME, FERTILIZER, AND
SEEDING RATES AND LANDSCAPING PLANS.
10. SEE SEEDING SCHEDULES ON THIS SHEET FOR PERMANENT SEEDING, MULCHING,
AND FERTILIZING RATES. ALL AREAS NOT DESIGNATED TO RECEIVE PLANTS SHALL BE
SEEDED PER THE LANDSCAPING PLANS.
M AY 2 5 2022
ENGINEERING DEPARTMENT
ALL CONSTRUCTION SHALL BE IN ACCORDANCE
30' 15' 0 30' WITH ALL NEW HANOVER COUNTY AND NCDOT
SCALE: V=30' STANDARDS AND SPECIFICATIONS
SEPI ENGINEERING & CONSTRUCTION, INC.
RALEIGH I CHARLOTTE I WILMINGTON
BEAUFORT I CHARLESTON
1 GLENWOOD AVE. I SUITE 600
RALEIGH, NC 27603
PHONE [phone]
sepiinc.com
COPYRIGHT© 2022 SEPI ENGINEERING & CONSTRUCTION, INC
0 3 WORKING DAYS
BEFORE YOU DIG
FOR THE LOCATION OF
UNDERGROUND FACILITIES
Know what's below.
CCIII before you dig.
THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN AN
APPROXIMATE WAY ONLY AND HAVE NOT BEEN INDEPENDENTLY VERIFIED BY
THE OWNER OR ITS REPRESENTATIVE. THE CONTRACTOR SHALL DETERMINE THE
EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK, AND
AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT
BE OCCASIONED BY THE CONTRACTOR'S FAILURE TO EXACTLY LOCATE AND
PRESERVE ANY AND ALL UNDERGROUND UTILITIES.
NOTICE:
CONSTRUCTION SITE SAFETY IS THE SOLE RESPONSIBILITY OF
THE CONTRACTOR NEITHER THE OWNER NOR THE ENGINEER
SHALL BE EXPECTED TO ASSUME ANY RESPONSIBILITY FOR
SAFETY OF THE WORK, OF PERSONS ENGAGED IN THE WORK,
OF ANY NEARBY STRUCTURES, OR OF ANY OTHER PERSONS.
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COPYRIGHT© 2022
SEPI ENGINEERING & CONSTRUCTION, INC
2508 SHANDY LAN
- SEDIMENT AND
EROSION CONTROL
2508 SHANDY LANE
WILMINGTON, NC, 28409
PREPARED FOR:
BHDB INC.
4930 PINE STREET
WILMINGTON, NC 28403
LAND DISTURBANCE
SUBMITTAL
GRADING PERMIT #22-22
DATE
PROJECT: SE22.071.00 I d
ISSUE: NHC SEC REVIEW 4/4/2022
REVISIONS:
i NHC SEC COMMENTS 5/16/2022
22 NHC SEC COMMENTS 5/23/2022
PROJ. MGR: I J WAGONER
DRAWN BY: J ADRIATICO
CHECKED BY: J WAGONER
NDPES