NCG021075_Site Plan 2_20260609

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� EX. AND PROPOSED GENERAL CIVIL-SITE NOTES:
CORN OR OTHER CROPS 1. THE CONTRACTOR IS REQUIRED TO OBTAIN ANY/ALL PERMITS
' 4 FT MIN N. REQUIRED FOR CONSTRUCTION OF THESE PLANS. Ou" OGWOOD
2. ALL CONSTRUCTION TO BE IN ACCORDANCE WITH PERMITS ISSUED, LAND DEVELOPMENT
TOP 0� BERM TOP 0E BCM� EMERGENCY SPILLWAY WITH STONE 205 Sierra Dr
- I - - 3. THE CONTRACTOR IS TO ESTABLISH AND CHECK ALL HORIZONTAL
AND FABRIC. TRAIL FABIRIC AND AND VERTICAL CONTROLS TO BE USED WITH THE PROJECT. Wilmington, NC 2$409
CONTRACTOR SHALL EMPLOY A PROFESSIONAL SURVEYOR TO 910-264-1071
FROM EXCAVATION PIT � �, I = �, � STONE DOWN TO BLIND SWALE P-27s5
II - !EMERGENCY S P I'_LWAY PERFORM SITE IMPROVEMENT STA�KEOUT(S).
Q_ 1 E1 BELOW
DE WATERING PUMP TOP ` 4. ANYTIME WORK IS PERFORMED OFF-SITE OR WITHIN AN EXISTING
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EASEMENT,THE CONTRACTOR IS TO NOTIFY THE HOLDER OF SAID p . °°°°°°°°° /
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EASEMENT AND TO FOLLOW ANY GUIDELINES OR STANDARDS WHICH w �
ARE ASSOCIATED WITH OR REFERENCED IN THE RECORDED ,
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MOSTLY CLEAN WATER ' I - c1d 1-9EASEMENT.CONTRACTOR SHALL EMPLOY PROFESSIONAL -1 _
SEAL
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1 o SURVEYOR TO PERFORM LOCATION OF EASEMENTS AS NEEDED. co \ 034354
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DISCHARGED INTO BASIN �� /' ) �.LI �j w x < G
�,_ 5. CIVIL SITE PLANS DO NOT REPRESENT ACCURACY OR PIPE w "� ° �NGINE��°°°��
-- - - - - - -- ---- --- --- -- "��c PENETRATION LOCATIONS OF ALL STRUCTURES.CONTRACTOR AND w '% S
MAN-MADE BERM ------ --- �- -- --- -�� - ---- v m ,, BRANGN
AROUND, FIELD __-__ ___ _ `t OWNER SHALL REFER TO ARCHITECTURAL DRAWINGS FOR ALL J lI i i i \
SEDIMENT _- MAN-MADE B E R r✓l BUILDING DIMENSIONS AND DETAILS. 512 j 6
STORAGE AROUND FIELD REVISION NO.
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- BLIND N D SWALE GENERAL CONTRACT NOTES: a
BOTTOM GRADE IS NATURAL FIELD GRADE I �
(SI-
DETAILS)-- 1. REASONABLE CARE HAS BEEN EXERCISED IN SHOWING THE LOCATION
OF EXISTING UTILITIES ON THE PLANS.THE EXACT LOCATION OF ALL 1, NCDEQ SUBMITTAL
POROUS BAFFLES, TY P. EXISTING UTILITIES IS NOT KNOWN IN ALL CASES. THE CONTRACTOR p --
SHALL EXPLORE THE AREA AHEAD OF DITCHING OPERATIONS BY Z
7 O O g m- C O I R FABRIC OBSERVATIONS, ELECTRONIC DEVICES,HAND DIGGING AND BY o 2. DWR-DEWA TERING
(N.A. GREEN C-� 25BN OR ENGINEER-APPROVED EQUAL). PERSONAL CONTACT WITH THE UTILITY COMPANIES. INORDERTO w
BAFFLE 1 =25% X BASIN LENGTH LOCATE EXISTING UTILITIES IN ADVANCE OF TRENCHING OPERATIONS SO j
C T AS TO ELIMINATE OR MINIMIZE DAMAGE TO EXISTING UTILITIES. THE w
BAFFLE 2-50% X BASIN LENGTH O E C i O �I CONTRACTOR SHALL BE RESPONSIBLE FOR ALL COSTS RESULTING FROM F_
BAFFLE 3=75% X BASIN EENCTH ANY DAMAGE TO THE EXISTING UTILITY LINES INCLUDING LOSS OF O
UTILITY REVENUES. CONTRACTOR SHALL ARRANGE FOR TEMPORARY ~
SUPPORT OF EXISTING UTILITIES,SUCH AS POLES,CONDUITS, FIBER co
SEDIMENT C E EA N O U T STAKE SETTLING BASIN CONSTRUCTION G E` G E�\C : OPTIC CABLES,TELEPHONE CABLES,WATER LINES,ETC.
MARKED AT HALF THE BAFFLE DEPTH 0
(SEDIMENT SHALL_. BE REMOVED AND 1 . INSTALL BERM AROUND NATURAL GRADE AS SHOWN ON THE PLANS AND DETAILS, � ET 2. CONTRACTOR SHALL COMPLY WITH THE LATEST REVISIONS AND �
1 J INTERPRETATIONS OF THE DEPARTMENT OF LABOR SAFETY AND HEALTH
PLACED BACK INTO THE SEDIMENT BASIC) 2. INSTALL THE DETAILS AS SHOWN ON THE DETAILS AND PLANS. TOP OF BASIN REGULATIONS FOR CONSTRUCTION PROMULGATED UNDER THE 0
OCCUPATIONAL SAFETY AND HEALTH ACT. I_-
3. SELECT THE PUMP(S) AS RATED FOR TOTAL GPM LESS I HAN 2�360 GPM OR
3. CONTRACTOR SHALL PLAN AND CONSTRUCT WORK SO AS TO CAUSE
ADVISE ENGINEER SO THAT A REVISED DAILY PUMPING TIME CAN BE CALCULATED. O E-
--- -------- MINIMUM INCONVENIENCE TO THE OWNER AND THE PUBLIC. THE U
SPWY ELEV. wNOTES:
2. INSTALL PUMP' HOSE INTO THE BOTTOM OF THE INFILTRATION BASIN AND SECURE ----- CONTRACTOR SHALL PROVIDE,ERECT AND MAINTAIN AT ALL TIMES
PROPERLY. ON THE SUCTION END OF THE PUMP USE FILTER ATTACHMENT TO DURING THE PROGRESS OR TEMPORARY SUSPENSION OF WORK, Q
SUITABLE BARRIERS,FENCES,SIGNS OR OTHER ADEQUATE cn Lu
PREVENT LARGE EARTH MATERIALS FROM ENTERING THE BASIN. PROTECTION, INCLUDING FLAGMEN AND WATCHMEN AS NECESSARY TO . ; Q
1. POROUS BAFFELS SHALL BE STAKED EVERY 4-FT WITH 5-FT STEEL POSTS. INSURE THE SAFETY OF THE PUBLIC AS WELL AS THOSE ENGAGED IN w �,J O w
2. ENSURE THAT BOTTOM OF INFILTRATION IS NOT COMPACTED OR MINIMALLY DISTURBED TO 3. ONCE INFILTRATION BASIN IS EXCAVATED PROPERLY AND SCOPES ARE STABILIZED NOTE: THE CONSTRUCTION WORK.CONSTRUCTION SIGNING SHALL BE IN o Ix p
MAINTAIN INFILTRATION OF UNDERLYING SOIL. WITH VEGETATION THE DE-WATERING CAN COMMENCE. 12-INCH THICK LAYER OF NCDOT CLASS B STONE (d50=8") WITH A ACCORDANCE WITH THE LATEST EDITION OF"CONSTRUCTION AND 0- Q, z f--- L0 w
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3. DO NOT EXCAVATE BELOW THE WATER TABLE. 4-INCH THICK LAYER OF NO. 57 STONE BEDDING ON NON-WOVEN "MAINTENANCE OPERATIONS SUPPLEMENT TO THE MANUAL ON UNIFORM 00
TRAFFIC CONTROL DEVICES BYTHIE USDOT. OJ
4. FOLLOW STORPMWATER POLLUTION PREVENTION PLAN (SPPP) FOR STANDARD FILTER FABRIC (GEOTEX NW-801 OR ENGINEER-APPROVED EQUAL) j a.. � U
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4. VEGETATE ACCORDING TO THE PERMANENT SEEDING AND MULCHING SPECIFICATIONS. OPERATIONAL PROCEDURES AND WATER QUALITY TESTING SCHEDULES IN
4. ANY DISCREPANCY IN THIS PLAN AND ACTUAL FIELD CONDITIONS SHALL
5. PUMP SHALL ONLY OPERATE FOR 6 CONTINUOS HOURS PER DAY WHEN BASIN IS DRY AND ACCORDANCE WITH NPDES NCO02 MINE DISCHARGE PERMIT. b u L1.1 Z
- -- BE REPORTED TO THE OWNER PRIOR TO START OF CONSTRUCTION. �
PUMP SHALL ONLY OPERATE FOR 3 CONTINUOS HOURS PER DAY WHEN FULL. GENERAL CONTRACTOR SHALL BE(RESPONSIBLE FOR VERIFICATION OF a. F. uj O
{ ALL SETBACKS,EASEMENTS AND DIMENSIONS SHOWN HEREON BEFORE p O
SETTLING BASIN EMERGENCY SPILLWAY DETAIL BEGINNING CONSTRUCTION. p 0 w I- N
NOT TO SCALE
-- 5. DO NOT SCALE THIS DRAWING AS IT IS A REPRODUCTION AND SUBJECT 0 „ LL Z
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TO DISTORTION. O
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6. IF DEPARTURES FROM THE SPECIFICATIONS OR DRAWINGS ARE DEEMED p 0 L0
NECESSARY BY THE CONTRACTOR„DETAILS OF SUCH DEPARTURES AND
REASONS THEREOF SHALL BE GIVEN TO THE OWNER FOR REVIEW,NO N
DEPARTURES FROM THE CONTRACT DOCUMENTS SHALL BE MADE
6-FT STONE: EROSION CONTROL MEASURES MAINTENANCE: WITHOUT THE PERMISSION OF THE OWNER AND ENGINEER. w
AND NON-WOVEN (FABRIC FROM 1. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY AND OPERATION 7. CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL w
----- 4.5 FT F�- �PS`N FOLLOWING EVERY 1/2-INCH OR GREATER RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK. UNDERGROUND UTILITIES.THE LOCATION OF ALL EXISTING UTILITIES w W
ON ANY NEEDED REPAIRS WILL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS DESIGNED. ARE NOT NECESSARILY SHOWN ON PLANS AND WHERE SHOWN ARE Q
ONLY APPROXIMATE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR m
FLOW TO 2. ALL CONSTRUCTION ENTRANCES WILL BE PERIODICALLY TOP DRESSED WITH AN ADDITIONAL 2 INCHES ANY DAMAGE TO UNDERGROUND STRUCTURES. THE CONTRACTOR IS W
CREEK RIPARIAN - GRASS SOD 4" PUMP OFF#4 STONE TO MAINTAIN PROPER DEPTH. ANY SEDIMENT THAT IS TRACKED INTO A PUBLIC ROAD RESPONSIBLE FOR CONTACTING ALL NONSUBSCRIBING UTILITIES. C A L CL
BUFFER {300 GPM) SHALL BE IMMEDIATELY REMOVED. L NC-811.
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---- 3. SEDIMENT FENCE/SEDIMENT FENCE OUTLETS-SEDIMENT WILL BE REMOVED BEHIND THE SEDIMENT 8. THE CONTRACTOR SHALL OBTAIN AND PAY FOR ALL INSPECTIONS, w
3 FLOAT SUCTION DISCHARGE PIPE FENCE WHEN IT BECOMES HALF-FILLED. THE SEDIMENT FENCE WILL BE BE REPAIRED AS NECESSARY CERTIFICATIONS,EQUIPMENT,ETC..,THAT MAY BE REQUIRED. �
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TO MAINTAIN A BARRIER.STAKES MUST BE STEEL AND SPACED 6 FEET WITH EXTRA STRENGTH FABRIC
MIN. 1.5 FT AND NO WIRE BACKING. STAKE SPACING CAN BE 8 FEET WHEN STANDARD STRENGTH FABRIC AND WIRE
- 4-6 INCH WASHED = I 9. THE ENGINEER DISCLAIMS ANY ROLE IN THE CONSTRUCTION MEANS AND �
BACKING ARE USED.IF ROCK FILTERS(OR EXCELSIOR WATTLES)ARE DESIGNED AT LOW POINTS IN THE
METHODS ASSOCIATED WITH THE PROJECT AS SET FORTH IN THESE
STONE LAYER J - v SEDIMENT FENCE THE ROCK OR WATTLE WILL BE REPAIRED OR REPLACED IF IT BECOMES HALF FULL OF PLANS. _
ON 6-FT NON-WOVEN DEWATERING PIT AREA SEDIMENT,NO LONGER DRAINS,OR IS DAMAGED.
FILTER FABRIC ACTIVE EXCAVATION PIT >- z
-- 4. ALL SEEDED AREAS WILL BE FERTILIZED,RESEEDED AS NECESSARY,AND MULCHED ACCORDING TO Z
SPECIFICATIONS TO MAINTAIN A VIGOROUS,DENSE VEGETATIVE COVER.REF.RECLAMATION PLAN. Q
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5. SEDIMENT BASIN/SEDIMENT TRAPS-REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL 0 •��
NOTES: PUMP NOTES: DIMENSIONS WHEN IT ACCUMULATES TO WITHIN ONE HALF OF THE DESIGN DEPTH. PLACE SEDIMENT IN w z
AREA WITH SEDIMENT CONTROLS. CHECK THE EMBANKMENT,SPILLWAYS,AND OUTLET FOR EROSION p
1. 'BLIND SWALE'MEANS BOTH ENDS TERMINATE INTO THE GROUND PER THE 1. PUMP TO BE USED INTERMITTENTLY DURING HEAVY RAIN EVENTS TO HELP DAMAGE,PIPING,AND SETTLEMENT, MAKE ALL NECESSARY REPAIRS IMMEDIATELY. REMOVE ALL wO
LAYOUT PLAN AND SWALE HAS 0%SLOPE. SIMILAR TO AN EXCAVATED TRENCH WITH EXCAVATION. TRASH AND OTHER DEBRIS FROM THE RISER AND POOL AREA. BAFFLES WILL BE REPAIRED OR m
REPLACED IF THEY COLLAPSE,TEAR,DECOMPOSE,ETC.WITH 3:1 SIDE SLOPES.
2. PUMP TYP. OPERATES ON AN 8-HR TIME SCHEDULE. NO NIGHTS OR 24-HR z V
. 6. SEDIMENT BASIN BAFFLES-BAFFLES WILL BE REPAIRED OR REPLACED IF THEY COLLAPSE,TEAR, -�
2. USE B�ERMUDA OR OTHER TYPE OF GRASS SOD LINING AND STABILIZE FOR ROOT PUMPING OCCURS. � -
ESTABLISHMENT. DECOMPOSE,OR BECOME INEFFECTIVE. THEY WILL BE REPLACED PROMPTLY. SEDIMENT WILL BE Q Q O
REMOVED WHEN DEPOSITS REACH HALF THE HEIGHT OF THE FIRST BAFFLE.
3. THE PURPOSE OF THE SWALE IS TO ACT AS THE OVERFLOW FROM THE SETTLING p z
T_YP. CELL_MINING PUMP_ _SCENARIO
BASIN{TO DIFFUSE THE FLOW BEFORE ENTERING THE RIPARIAN BUFFERS. NOT TO SCALE i 7. OUTLET PROTECTION-INSPECT RIP RAP OUTLET STRUCTURES WEEKLY AND AFTER RAINFALL EVENTS U C) W
TO SEE IF ANY EROSION AROUND OR BELOW THE RIP RAP HAS TAKEN PLACE,OR IF STONES HAVE BEEN U) W -�
DISLODGED. IMMEDIATELY MAKE ALL NEEDED REPAIRS TO PREVENT FURTHER OFFSITE -� W ..
SEDIMENTATION. C1 [L
BLIND SWALE AND GRAVEL STRIP DETAIL _ w
NOT TO SCALE 8. EhOERGENCY SPILLWAY/FOREBAY PROTECTION-AFTER EVERY HIGH-WATER EVENT INSPECT THE O
INTEGRITY OF THE LINED SPILLWAY AND THE ADJACENT EARTHEN BANKS. IMMEDIATELY MAKE ALL O (n
- ---------------- - --- - -- --- ------, NEEDED REPAIRS TO PREVENT FURTHER DAMAGE. REPAIR ANY VOIDS IN THE RIP RAP LINED APRONS. (D Z
STEEL POSTS RE-ESTABLISH ANY LOOSE STONES,AND FIX GAPS IN THE ADJACENT VEGETATIVE COVER. ( Z
STAKE TO SUPPORT WIRE FIX FABRIC TO p
STEEL POSTS O Q J O
4-FT SPACI G
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1. COIR FIBER MATERIAL SHALL BE 0.30"THICK,TENSILE STRENGTH OF w
900x680 Ib/ft min, ELONGATION OF 69%x34%,ALLOW 10-12 fps,700g/m2 `t
WEIGHT MIN.,WIDTH OF 6.5 FT,AND AT LEAST 50%OPEN AREA. DO NOT z
SPLICE THE FABRIC ACROSS THE BAFFLE. O
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COIR FIBER BAFFLE DETAIL MINE
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NOT TO SCALE w D E WAT E K I N G
Q DETAILS
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25114.DLD
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SCALE: 1" = 120'
DATE: 5/22/26
SHEET:
CD1 01
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