SW8000514_APPROVED PLANS_20001012

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW Ocm,�—l`-t
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
4�2� `o�
YYYYMMDD

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REVISIONS
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DALLAS HARRIS REAL ESTATE
TRACT "B"
MAP BOOK 34, PAGE 212
DALLAS HARRIS REAL ESTATE
TRACT "B"
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- LIMITS OF DISTURBANCE
SITE DATA
TOTAL AREA
ZONING
ALLOWABLE IMPERVIOUS AREA
31.79 ACRES
B-2
23.63 ACRES
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LIMITS OF DISTURBANCE` ` DATE 09-13-00
DESIGN Pill
TSF Ts TSF TEMPORARY SILT FENCE --- x - x DRAWN MVL.
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SHEET 1 OF 2
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REVISIONS
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PERMANENT GRASSING DETAIL
SEEDING MIXTURE
SIPME'S RATE llblacr+�)
SERICEA 30
COMMON BERMUDAGRASS 10
MILLET 10
TALL FTAµESCUE 50
SEEDING NOTES
1. WHERE A NEAT APPEARANCE IS DESIRED, OMIT SERICEA.
2. USE COMMON BERUDAGRASS ONLY ON ISOLATED SITES WHERE IT CANNOT BE-
COME A PEST. BERMUDrAGRASS MAY BE REPLACED WITH 5 lb/acre CENTiPEDEGRASS.
SEEDING DATES
APRIL I - JULY 15
SOIL AMENDMENTS
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 3.000 lb/acre
GROUND AGRICULTURE LIMESTONE AND 500 Ib/are 10-10-10 FERTILIZER.
MULCH
APPLY 4,000 lb/acre GRAIN STRAWOR EQUIVALENT COVER OF ANOTHER SUITABLE
MULCH. ANCHOR BY TACKING WITH ASPHALT, ROVING. OR NETTING OR BY CRIMPING
WITH A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE
USED AS A MULCH ANCHORING TOOL
MAINTENANCE
REFERTILIZE THE FOLLO ANG APRIL WITH 50 Ib acre NITROGEN, REPEAT AS GROWTH
REQUIRES. MAY BE MOWED ONLY ONCE A YEAR. WHERE A NEAT APPEARANCE IS
DESIRED, OMIT SERICEA AND MOW AS OFTEN AS NEEDED.
FALL -'-WINTER
PERMANENT GRASSING DETAIL
SEEDING MIXTURE
SIRMIESAFL ,(Ib/MMI
TALL FESCUE (BLEND OF TWO OR
RYEHR((GRAIE )PROVED VARIETIES) 200
SEEDING DATES
JANUARY - APRIL
AUGUST _ DECEMBER
SOIL AMENDMENTS
APPLY LINE AND FERTLIZER ACCORDING TO SOIL TESTS, OR APPLY 3.000-5,ODO ib/acre
GROUND AGRICULTURAL LIMESTONE (USE THE LOWER RATE ON SANDY SOILS) AND
1,000 lb/acre 10-10-10 FER111JZER
MULCH
APPLY 4,000 acre GRAIN STRAW OR EQUIVALENT COVER OF ANOTHER SUITABLE
MULCH, ANCHIb STRAW BY TACKING WITH ASPHALT, ROVING, OR NETTING OR BY CRIMP-
ING WITH A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN
BE USED AS A MULCH ANCHORING TOOT.
MAINTENANCE
FERTILIZE ACCORDING TO SOIL TESTS OR APPLY 40 Nb/acre NITROGEN IN JANUARY
OR FEBRUARY, 40 lb W SEPTEMBER AND 40 lb IN NOMMIBER, FROM A 12-4-8.
16-4-8, OR SIMILAR TURF FERTILIZER. AVOID FERTILIZER APPLICATIONS DURING
WARM WEATHER, AS THIS INCREASES STAND LOSSES TO DISEASE. RESEED, FERTILIZE.
AND MULCH DAMAGED AREAS IMMEDIATELY. MOW TO A HEIGHT OF 2.5-3.5 INCHES
AS NEEDED.
LATE WINTER do EARLY SPRING
TEMPORARY GRASSING DETAIL
SEEDING MIXTURE
SPECIES fibaSMI
Rye (grain) 120
Annual lespedeza (Kobe in
Piedmont and Coastal Plain,
Korean in Mountains) 50
Omit annual lespedeza when duration of temporary cover is not to extend
beyond June.
SEEDING DATES:
Mountains - Above 2500 ft. Feb. 15-May 15
Below 2500 ft: Feb. 1-Moy 1
Piedmont - Jan. 1-May 1
Coastal Plain - Dec. 1-Apr. 15
SOIL AMENDMENTS
Follow recommendations of soil tests or apply 2.000 Ib/ocre ground agricul-
tural limestone and 750 Ib/ocra 10-10-10 fertilizer.
MULCH
APPLY 4,000 LB/ACRE STRAW, ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING,
OR A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE
USED AS A MULCH ANCHORING TOOL
MAINTENANCE
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch im-
mediot* following erosion or other damage.
TEMPORARY SUMMER GRASSING DETAIL
SEEDING MIXTURE
ITIM RATE flb/aGW
GERMAN MILLET 40
IN THE PIEDMONT AND MOUNTAINS. A SMALL -STEMMED SUNOANGRASS MAY BE
SUBSTITUTED AT A RATE OF 50 LB/ACRE,
SEEDING NOTES
MOUNTAINS - MAY 15-AUG. 15
PNEOMONT - MAY 1-AUG. 15
COASTAL PLAN - APR. 15-AUG. 15
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,D00 LB/ACRE GROUND AGRICUL-
TURAL LIMESTONE AND 750 LB/ACRE 10-10-10 FERTILIZER.
MULCH
APPLY 4,000 LS/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT. NETTING,
OR A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE
USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IM-
MEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
TEMPORARY FALL GRASSING DETAIL
SEEDING MIXTURE
SPECIES BED fIb/acre]
Rye (grain) 120
SEEDING NOTES
MOUNTAINS - AUG. 15-DEC. 15
COASTAL PLAN and PIEDMONT - AUG. 15--DEC 30
SOIL AMENDMENTS
FOLLOW SOIL TESTS OR APPLY 2,000 LB/ACRE GROUND AGRICULTURAL.
LIMESTONE AND 1,DDQ LB/ACRE 10-10-10 FERTILIZER.
MULCH
APPLY 4,000 LS/ACRE STRAW. ANCHOR STRAW SY TACKING WITH ASPHALT, NETTING,
OR A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE
USED AS A MULCH ANCHORING TOOL
MAINTENANCE
Repair and refertilize domaged areas immediately. Topdress with 50 ib/ocre
of nitrogen in March. If it is necessary to extend 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.
TOP OF BANK
EL. 46.5
NORMAL POOL
EL. 39.0
6'
EMBANKMENT
lZ
FLOOD
POOL
EL.
41.5
NORMAL
POOL
EL.
39.0
- - -- -
1� EL 3$.0
�1 6
FOREBAY 3
1 MAIN POOL
BOTTOM EL. 36.0 1
3
3 BOTTOM
,
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SEE PLAN
SECTION A - A � +R' E= EQUAL
ENERGY DISSIPATOR.
NTS
A STEEL E A =
t- 30" R 1
i� 4=Q��-uu
•
GALV. BAR GRATING - 1" x 1/0" BEARING BARS. FASTEN WITH
TYPE J CLIPS. ATTACH TO 1-1/4' x 1-1/4' x1/4" GALVANIZED ATTACH GALVANIZED WIRE
ANGLE FRAME. MORTOR FRAME TO TOP OFF OUILLEETT STRUCTURE.-7 CLOTH OVER SMALL DIAMETER
TOP OF BANK] 1 ORIFICE (8 MESH .D20 WIRE)
30" 1
I
TEMPORARY
GRAVEL
' " FILTER
C A BOTTOM 36.5
MW
DETENTION POND OUTLET STRUCTURE
;ig
2' SPILLWAY
SUMP UNDISTURBED
BOTTOM CHANNEL BOTTOM
CROSS SECTION
TEMPORARY SEDIMENT TRAP TABLE
NO.
DISTURBED
AREA (Ac)
REQ'D
VOLUME
LENGTH
(FT)
WIDTH
(FT)
DEPTH
(FT)
PROVIDED
OLUM `
1
2.58
4,644
240
10
2
4,800
2
2.41
4,330
240
10
2
4,800
STONE SECTION A --A
NOTES:
1. SILT TRAP WILL BE CONSTRUCTED FIRST,
SUMP SECONDLY.
2. TRAPTOBOTTOMFEET.
WILL � 0 LESS
3. 3. SPILLWAY DEPTH SHALL BE ONE FOOT.
4. STONE FACE SHOULD BE NO LESS THAN 6 INCHES
MEASURED PERPENNDICULARLY FROM THE FACE
OF THE LARGE STONE.
5. SUMP DIMENSIONS SHOULD ALLOW FOR A MINIMUM OF
900 CF OF SEDIMENT STORAGE.
6. DEPTH OF SEDIMENT IN SUMP WILL BE CHECKED AFTER
EACH STORM AND CLEANED AS NECESSARY.
7. REMOVAL OF S�ILT TRAP WILL BE DONE IN SUCH A WAY
AS TO LIMIT 51LTRATION.
TEMPORARY SILT TRAP_
DETAIL
NTS
2-1/2 GA. 6
EDIATE WIRESI
n
J
STEEL OR WOOD POST
WIRE FABRIC
FILTER FABRIC
ANCHOR FABRIC SKIRT
C I Ac niore rm av rur_Irur=
U LJ
NOTES:
1. FENCE FABRIC SHALL. BE A MIN. OF 32" IN WM{�TH AND
SHALL HAVE A MIN. OF SIX LINE WIRES WITH 12 STAY
SPACING.
2. FABRIC SHALL BE FOR EROSION CONTROL AND MIN. OF
36" IN WIDTH. FABRIC SHALL BE FASTENED
ADEQUATELY TO THE WIRE FABRIC AS DIRECTED BY THE
ENGINEER.
3. STEEL POST SHALL BE 5'-0" 1N HEIGHT AND BE OF THE
SELF -FASTENER STEEL ANGLE TYPE.
4. WOOD POST SHALL BE A MIN. OF 6' IN HEIGHT AND 3'
TO 4' IN DIAMETER. WIRE FABRIC SHALL BE FASTENED
TO WOODEN POST WITH NOT LESS THAN #0 WARE STAOLE
1 1/2" LONG
I
NTS
46.5
TOP OF
BANK
46.5
44.0
EMERGENCY SPILLWAY DETAIL
N
TEMPORARY GRAVELLED
CONSTRUCTION ENTRANCE_
INTS
30" F,E.S.
INVERT = 36.0
20' x 20' x 2q-" ENERGY'
DISSIPATOR, CLASS 8 NCI
EROSION CONTROL STONE
LEVEL SPREADER
Vi Ji ,n W W W
v `aiL W 4,
VEGETATIVE _FILTER DETAIL
N.T.S.
7.85
SITE WORK NOTES
1. THE CONTRACTOR SHALL VISIT THE SITE AND BECOME FAMILIARIZED WITH EXISTING
CONDTIONS BOTH ON AND IMMEDIATELY ADJACENT TO THE SITE.
2. CLEARING: CONTRACTOR SHALL REMOVE ALL TREES AND VEGETATION WITHIN LIMITS
OF CONSTRICTION UNLESS OTHERWISE DESIGNATED TO REMAIN.
3. GRUBBING LAND STRIPPING: CONTRACTOR SHALL RAKE AND REMOVE ROOTS, STUMPS,
VEGETATION, DEBRIS, EXISTING STRUCTURES ABOVE AND BELOW GRADE, ORGANIC
MATERIAL OR ANY OTHER UNSUITABLE MATERIAL WITHIN LIMITS OF CONSTRUCTION.
4. MUCKING: CONTRACTOR SHALL COORDINATE WITH OWNER AND THEIR GEOTECHNICAL
REPRESENTATIVE TO COORDINATE REMOVAL OF ANY SOFT AREAS.
5. DISPOSAL: CLEARED, GRUBBED, STRIPPED OR OTHER WASTE MATERIAL SHALL BE
REMOVED FROM SITE AND DISPOSED OF IN A PROPERLY PERMITTED FACILITY.
6. FILL AND COMPACTION SHOULD COMPLY WITH GEOTECHNICAL REPORT.
7. THE CONTRACTOR SHALL NOTE THAT THE GRADING PLAN MAY NOT REPRESENT A BALANCED
EARTHWORK CONDITION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CUT AND
FILL QUANTTIES AND COMPLETE INSTALLATION TO SPECIFIED GRADES.
8. THE CONTRACTOR SHALL FURNISH SUITABLE BORROW MATERIAL FROM AN OFF -SITE
PROPERLY DERMITTED FACILITY AS REQUIRED.
9. THE CONTRACTOR IS RESPONSIBLE FOR THE LOCATION AND PROTECTION OF ALL
EXISTING UTLITIES DURING CONSTRUCTION. BEFORE COMMENCING ANY EXCAVATIONS
IN OR ALONG ROADWAYS OR RIGHT--OF-WAYS, PUBLIC AREAS OR IN PRIVATE
EASEMENTS, THE CONTRACTOR SHALL NOTIFY ALL APPROPRIATE PERSONNEL OF
THEIR INTENT TO EXCAVATE, IN WRITING, NOT LESS THAN 10 DAYS PRIOR TO EXCAVATING.
10, THE CONTRACTOR SHALL BE RESPONSIBLE TO COORDINATE DISCONNECTION/
RECONNECTION AND/OR THE RELOCATION OF ALL EXISTING UTILITIES WITH
APPROPRIATE PERSONNEL,
11. EXISTING SURVEYING PERFORMED BY T _ _ AND SUPPLIED BY THE OWNER.
12. THE CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS AT THE SITE. FURTHERMORE
THE CONTRACTOR SHALL REPORT ALL DISCREPANCIES OR QUESTIONS TO THE ENGINEER
PRIOR TO INSTALLATION.
13. THE CONTRACTOR SHALL PROVIDE ANY AND ALL LAYOUT REQUIRED TO CONSTRUCT
HIS WORK UNLESS OTHERWISE DIRECTED BY OWNER.
14, ALL PVC UTILITY MAINS SHALL BE INSTALLED WITH A MINIMUM OF 36" COVER
AT FINAL GRADE.
15. ALL SERVICE` CONNECTIONS SHALL BE INSTALLED TO MEET ALL LOCAL AND STATE CODES.
METERS, TAPS, MATERIALS, WORKMANSHIP AND ALL FEES SHALL BE THE RESPONSIBILITY
OF THE CONTRACTOR AND SHALL COMPLY WITH ALL REQUIREMENTS.
16, ALL PAVEMENT, BASE AND SUBGRADE SHALL COMFORM TO NCDOT STANDARDS INCLUDING
WORKMANSHIP, MATERIALS AND EQUIPMENT. APPROPRIATE BARRICADES, SIGNS, LIGHTS
OR OTHER TRAFFIC CONTROL DEVICES SHALT. BE PROVIDED IN ACCORDANCE WITH NCDOT
TO MAINTAIN SAFETY AND TWO WAY TRAFFIC.
17. ALL AREAS SHALL BE GRADED FOR POSITIVE DRAINAGE. THE CONTRACTOR SHALL REPORT
ANY DISCREPANCIES TO THE ENGINEER PRIOR TO INSTALLATION. ALL AREAS SHALL BE
SLOPED TO DRAIN AWAY FROM BUILDINGS AT ALL TIMES.
18. CONCRETE STORM DRAINAGE PIPE SHALL BE CLASS III WITH RUBBER GASKETED JOINTS
AND INSTALLED IN ACCORDANCE WITH MANUFACTURER'S REQUIREMENTS.
19. USE WHITE LANE MARKING PAINT FOR ALL PAVEMENT MARKINGS. PAINT SHALL BE A
CHLORINATED RUBBER ALKYD, FS TT-P-115, TYPE III, FACTORY MIXED, QUICK DRYING,
NON BLEEDING. REFLECTIVE MATERIAL MAY BE ADDED AT OWNER'S OPTION FOR
NIGHT REFLECTING.
20. DUCTILE IRON SHALL BE CLASS 50.
21. CONCRETE FOR WALKS, CURBS AND DRIVES SHALL HAVE A MINIMUMN COMPRESSIVE
STRENGTH OF 3000 PSI 0 28 DAYS - AIR ENTRAINED.
22. FIELD TESTING SHALL BE DONE BY AN INDEPENDENT TESTING LABORATORY PAID FOR
BY THE OWNER, FURTHER TESTING REQUIRED DUE TO A FAILED TEST WILL BE
PAID FOR BY THE CONTRACTOR.
23, SEE GEOTECHNICAL REPORT NO. _ _ DATED _ BY
__ FOR ADDTIONAL REQUIREMENTS,
CONSTRUCTION SEQUENCE
1. NO CUT SLDPE OR FILL SLOPE SHALL EXCEED A RISE OR FALL OF ONE FOOT FOR
EVERY RUN OF 3 FEET (1 VERTICAL TO 3 HORIZONTAL).
2. NO SEDIMENT WILL BE ALLOWED TO EXIT THE SITE. ALL EROSION SHALL BE CONTROLLED
INCLUDING SIDE SLOPES DURING AND AFTER CONSTRUCTION.
3. INSTALL PRIMARY EROSION CONTROL MEASURES BEFORE BEGINNING CONSTRUCTION INCLUDING
BUT NOT LIMITED TO GRAVELLED CONSTRUCTION ENTRANCE, SILT FENCE, CHECK DAMS, ETC.
INSTALL ALL. SECONDARY EROSION CONTROL MEASURES AS SOON AS POSSIBLE AFTER BEGINNING
CONSTRUCTION.
4. ALL EROSION CONTROL MEASURES TO BE INSPECTED AFTER EACH RAIN.
SILT FENCE, SILT TRAPS, AND INLET PROTECTION TO BE CLEANED WHEN HALF FULL.
5. IF APPLICABLE, CONSTRUCT PROPOSED RETENTION POND TO ACT AS A SEDIMENT BASIN
DURING CONSTRUCTION. REMOVE ACCUMULATION OF SILT AS REQUIRED TO ALLOW PROPER
FUNCTIONIN3. RESTORE POND TO DESIGN LEVELS AT THE COMPLETION OF CONSTRUCTION,
6. IF APPLICABLE, INSTALL DROP INLETS WITH INLET PROTECTION TO ACT AS SILT TRAPS
DURING CONSTRUCTION. REMOVE ACCUMULATED SILT AS NEEDED TO PREVENT SILT FROM
ENTERING STORM DRAIN PIPING.
7. A 4" LAYER OF TOPSOIL SHALL BE APPLIED TO ALL NEW AREAS TO BE GRASSED,
8. ALL DISTUR3ED AREAS SHALL BE SEEDED IN ACCORDANCE WITH SEEDING SCHEDULE AS
SOON AS FOSSIBLE BUT NO LATER THAN 30 DAYS AFTER DISTURBANCE.
ALL SLOPED AREAS TO BE SEEDED NO LATER THAN 15 DAYS.
9. MAINTAIN ALL EROSION CONTROL MEASURES UNITL PROJECT IS COMPLETE.
10, MORE STRINGENT MEASURES MAY BE REQUIRED TO HALT EROSION IF THOSE ON THIS
PLAN PROVE TO BE LESS EFFECTIVE.
11. REMOVE ALL TEMPORARY EROSION CONTROL MEASURES UPON COMPLETION OF CONSTRUCTION.
ALL PERMA14ENT MEASURES SHALL BE WELL ESTABLISHED PRIOR TO PROJECT COMPLETION.
MAINTENANCE REQUIREMENTS
1. CONSTRUCTION ENTRANCE MUST BE MAINTAINED TO PREVENT MUD OR SEDIMENT FROM LEAVING
SITE. PERIODIC TOP DRESSING WITH TWO INCH STONE MAY BE REQUIRED.
2. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY AND
OPERATION FOLLOWING EVERY RUNOFF -PRODUCING RAINFALL, BUT IN NO CASE LESS THAN
ONCE EVERY WEEK. ANY NEEDED REPAIRS WILL BE MADE IMMEDIATELY TO MAINTAIN ALL
PRACTICES AS DESIGNED,
3. SEDIMENT TRAPS ANDCSEDIMENT BASINS WILL BE CLEANED WHEN THE LEVEL OF SEDIMENT REACHES
2.0 FEET BELOW THE TOP OF THE RISER. #57 GRAVEL WILL BE CLEANED OR REPLACED WHEN THE
SEDIMENT POOL NO LONGER DRAINS PROPERLY.
4. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES ABOUT
0.5 FEET DEEP AT THE FENCE. THE SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY
TO MAINTA N A BARRIER.
5, ALL SEEDEE, AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND MULCHED ACCORDING
TO SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS,
DENSE VEGETATIVE COVER.
I A+
�-15 CMP
'-�"'�` (SPLIT IN HALF)
BUR`' TO EXIST.
NATURAL GRADE
VEGETATED IL
FILTER
PLAN VIEW
LEVEL SPREADER DETAIL
NTS
50' VEGETATEDI, FIL ER �' ' '`t' _.
Ems
1 /2 SECTION OF
15" CMP x 40' LENGTH
CROSS SECTION
LEVEL SPREADER DETAIL
NTS
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- 17374
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DATE 09-13-00
DESIGN PGT
DRAWN MLV
C 2
SHEET 2 OF 2
00040
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