NCC232958_Site Plan or Location Map (5)_20231004

EROSION,SEDIMENT CONTROL AND DRAINAGE NARRATIVE
- REGULARTORY REQUIREMENTS lw
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THIS DESIGN NARRATIVE IS PRESENTED IN PREPARATION FOR THE PROPOSED DEVELOPMENT OF A ROYAL FARMS, IN SEQUENCE OF CONSTRUCTION 0
O ACCORDANCE WITH REQUIREMENTS OUTLINED IN THE UNIFIED DEVELOPMENT ORDINANCE FOR THE CITY OF WASHINGTON. 1. ACQUIRE ALL NECESSARY PERMITS PRIOR TO THE BEGINNING OF CONSTRUCTION.
PROJECT DESCRIPTION 2. CONTACT THE APPROPRIATE PARTIES WITH NOTICE OF CONSTRUCTION.
r 3. INSTALL ADDITIONAL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON SHEET CE101 OF THE PLAN
E THE SUBJECT PROPERTY IS WITHIN THE CITY OF WASHINGTON, NORTH CAROLINA. THE SITE IS LOCATED ON THE EAST CORNER SET, INCLUDING A CONSTRUCTION ENTRANCE, INLET PROTECTION, AND SILT FENCE.
OF WEST 5TH STREET (PACTOLUS HIGHWAY) AND WEST 15TH STREET. THE PROPOSED DEVELOPMENT IS AN APPROXIMATELY 4. PERFORM DEMOLITION AS SHOWN ON SHEET CE101.
5,154 SQUARE FOOT BUILDING WITH ASSOCIATED INFRASTRUCTURE AND PARKING LOT. 5. ROUGH GRADE THE SITE TO MATCH PROPOSED DRAINAGE PATTERNS.
EXISTING CONDITIONS 6. BEGIN STORM DRAINAGE SYSTEM AND INFILTRATION BASIN INSTALLATION WITH INLET PROTECTION WHERE APPLICABLE. Z
BEGIN INSTALLATION OF UNDERGROUND UTILITIES. 0
THE SITE IS PARTIALLY DEVELOPED WITH TWO EXISTING SINGLE FAMILY HOMES ON-SITE. THE EXISTING STORMWATER DRAINS 7. COMPLETE UTILITY INSTALLATIONS. PERFORM FINE GRADING AND PLACE BASE STONE. N
TO THE SOUTHEAST BETWEEN TO THE REAR OF A SINGLE FAMILY LOT. THERE IS NOT A DRAINAGE EASEMENTEVENT IN
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LOCATION. THE LIMITS OF DISTURBANCE IS APPROXIMATELY 2.56 ACRES. THE PARCEL ACREAGE IS 2.19 ACRES WITH AN 8. BEGIN CONSTRUCTION OF ON-SITE ROADWAY IMPROVEMENTS INCLUDING CURB INSTALLATION, AND ADA RAMPS. ce
EXISTING IMPERVIOUS ACREAGE OF 0.14. THERE ARE EXISTING GAS, WATER, SEWER, AND STORM LINES PRESENT IN THE RIGHT 9. CONSTRUCT CONCRETE PAVEMENT AND PROPOSED BUILDING. INSTALL SITE LANDSCAPING, TREES, SIGNAGE, LIGHTING, AND
OF WAY WITHIN THE LIMITS OF DISTURBANCE. OTHER SITE AMENITIES.
10. STABILIZE ANY DENUDED AREAS. TEMPORARILY SEED ALL DENUDED AREAS THAT WILL REMAIN DORMANT FOR 14 DAYS OR
ADJACENT PROPERTY MORE WITHIN 24 HOURS. PERMANENTLY SEED DENUDED AREAS THAT HAVE REACHED FINAL GRADE WITHIN 14 HOURS
THE SITE IS BOUNDED BY BOTH WEST 5TH STREET(PACTOLUS HIGHWAY) AND WEST 15TH STREET TO THE SOUTHWEST AND 11. MAINTAIN AREA WITHIN LIMITS OF CONSTRUCTION. REPAIR AND RE-SEED, OR APPLY OTHER EROSION CONTROL MEASURES
_ NORTHWEST, RESPECTIVELY. TO THE SOUTHEAST THERE IS AN EXISTING SINGLE FAMILY HOME THAT WILL REMAIN, TO THE SUCH AS MATTING, TO ANY AREAS WHERE STABILIZATION HAS NOT OCCURRED, OR DAMAGE IS EVIDENT DUE TO RUNOFF.
o NORTHEAST LIES AN EXISTING HOTEL DEVELOPMENT TO REMAIN. 12. AT THE COMPLETION OF STABILIZATION, CONTRACTOR SHALL OBTAIN WRITTEN APPROVAL FROM THE CITY AND THE OWNER zS
TO REMOVE TEMPORARY MEASURES.
PROPOSED CONDITIONS
a CTHE PROPOSED SITE IMPROVEMENTS CONSIST OF APPROXIMATELY 2.56 ACRES OF SITE DISTURBANCE THAT INCLUDES 5,154 SF N
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GAS STATION AND CONVENIENCE STORE WITH AN OUTDOOR PATIO AREA, A PARKING LOT, AND A PROPOSED TURN LANE IN c.
E THE WEST 5TH STREET(PACTOLUS HIGHWAY) RIGHT-OF-WAY. THE SITE IMPROVEMENTS WILL INCREASE THE OVERALL SITE >L z
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IMPERVIOUSNESS. THE SITE STORMWATER WILL BE CONTAINED AND TREATED ON SITE THROUGH THE USE OF TWO INFILTRATION O
BASINS. 10,4
THE PROPERTY WILL HAVE TWO POINTS OF ACCESS, ONE OFF OF WEST 5TH STREET(PACTOLUS HIGHWAY) AND A SECOND §
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OFF OF WEST 15TH STREET. LANDSCAPING IS ALSO PROPOSED BY THIS PROJECT. THERE ARE NEW SEWER, WATER, AND DRY a 6 x z
UTILITIES PROPOSED FOR THIS PROJECT. ^ o>7 o
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CRITICAL AREAS z o w
- THERE ARE NO CRITICAL AREAS WITHIN THE SUBJECT AREA. F
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r SORROW AND SPOIL MATERIALS r/ w
mia Z, v ANY BORROW OPERATIONS WILL BE REQUIRED TO BE IN CONFORMANCE WITH FEDERAL, STATE, AND LOCAL REGULATIONS. THE Y w n
DISPOSAL OF EXCESS MATERIALS BY THE CONTRACTOR IS ANTICIPATED TO OCCUR ON—SITE OR USING APPROPRIATE
PRACTICES IN ACCORDANCE WITH THE APPLICABLE CITY, COUNTY, AND STATE CODES. c,N z
7` EROSION AND SEDIMENT CONTROL • ©
s ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE he
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° E MINIMUM STANDARDS AND SPECIFICATIONS OF THE LATEST EDITION OF THE NORTH CARO!INA EROSION AND SFDIMENT a
CONTROI PI ANNING AND DESIGN MANUAL.
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THE FOLLOWING EROSION CONTROL MEASURES SHALL BE INCORPORATED FOR THIS E&S PHASE OF CONSTRUCTION: p,,,� CA Ro t,,,
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-. 1. EROSION AND SEDIMENT CONTROL MEASURES WILL BE SPECIFIED FOR USE DURING CONSTRUCTION THAT WILL CONTROL .#;••OF 04,•.'I f.
IMPACTS ON SITE AND ON THE RECEIVING WATERS DURING CONSTRUCTION. ;i
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7 2. A. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT SHALL BE PROVIDED AT THE SOUTHWEST ENTRANCE OFF OF WEST :0 1s a3/2oz G
E 5TH STREET. DURING THE WET WEATHER IT AMY BE NECESSARY TO WASH VEHICLE TIRES AT THIS LOCATION. THE ' O *$fl49 QO,�
- ENTRANCE WILL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENT CONTROL ,�''.,,fr � •
9° PLANNING AND DESIGN MANUAL (PRACTICE 6.06). WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED M. ,,,`p
o`° PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT ONTO THE PAVED SURFACE. ,��"""""',,,
WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY rc AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND - >- > 0N z >- z 0
TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS w N NN
REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL SUBDIVISION LOTS AS WELL AS LARGER LAND 0 w N
DISTURBING ACTIVITIES. a N ¢co Q 'm
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3. TEMPORARY BLOCK AND GRAVEL DROP INLET PROTECTION DEVICES WILL BE INSTALLED AT THE EXISTING GRATE INLETS AS = w N
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_ SHOWN ON THE DEMOLITION AND E&SC PLAN SHEET. THE INLET PROTECTION WILL BE INSTALLED IN ACCORDANCE WITH Na o o ,t
THE NORTH CAROLINA EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL(PRACTICE 6.52).
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4'''2 4. A SILT FENCE WILL BE CONSTRUCTED ALONG THE LIMITS OF DISTURBANCE WHERE APPLICABLE, SEE DEMOLITION AND E&SC Z in
PLAN SHEET FOR EXACT LOCATIONS. THE SEDIMENT FENCE WILL BE INSTALLED IN ACCORDANCE WITH THE NORTH
CAROLINA EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL (PRACTICE 6.62). C -_
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M o 5. TEMPORARY GRAVEL CONSTRUCTION ENTRANCES/EXITS AND EROSION CONTROL STONE ARE TO BE INSTALLED PRIOR TO E Q
iO a CLEARING AND GRUBBING AND PRIOR TO THE FIRST PHASE OF CONSTRUCTION. w
°d 6. THE CONTRACTOR SHALL COMPLETE CONSTRUCTION OF THE DRAINAGE FACILITIES WITHIN THIRTY (30) DAYS FOLLOWING CO CL
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m COMPLETION OF ROUGH GRADING AT ANY POINT WITHIN THE PROJECT. (21
"4-5 I g 7. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE. Q z
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° 8. AREAS WHICH ARE NOT TO BE DISTURBED WILL BE CLEARLY MARKED BY FENCING, FLAGS, ETC. Z C/
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E 7 9. MAINTENANCE: - Z
N - DURING THE DEVELOPMENT OF THE A SITE, THE DEVELOPER SHALL INSTALL AND MAINTAIN ALL TEMPORARY AND 0 O
PERMANENT STORMWATER CONTROL MEASURES AS REQUIRED BY THE APPROVED PLAN OR ANY PROVISION OF THIS
ARTICLE, THE ACT OR ANY ORDER ADOPTED PURSUANT TO THIS ARTICLE OR THE ACT. AFTER SITE DEVELOPMENT, THE w/ U
o m DEVELOPER SHALL INSTALL AND/OR MAINTAIN ALL NECESSARY PERMANENT STORMWATER CONTROL MEASURES SPECIFIED
IN THE APPROVED PLAN, EXCEPT THOSE MEASURES INSTALLED WITHIN A ROAD OR STREET RIGHT-OF-WAY OR EASEMENT UJ
ACCEPTED FOR MAINTENANCE BY A GOVERNMENTAL AGENCY. CONVEYANCE OF THE PROPERTY SHALL NOT TERMINATE THE
E E ORIGINAL DEVELOPER'S OBLIGATIONS UNDER THIS ARTICLE UNTIL SUCH TIME AS A REPLACEMENT PERMIT IS APPROVED BY
THE COUNTY ENGINEER, OR DESIGNEE. THE ORIGINAL DEVELOPER SHALL INCLUDE IN THE DEED CONVEYING THE PROPERTY a
NOTICE OF THE EXISTENCE OF THE STORMWATER CONTROL MEASURES AND THE PURCHASER'S OBLIGATIONS TO MAINTAIN z
o AND INSPECT THEM AND TO OBTAIN A PERMIT AND OTHERWISE COMPLY WITH THE TERMS OF THIS ARTICLE. THE It) 0
FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: O Q
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6 d a. CONSTRUCTION ENTRANCE - INSPECT CONSTRUCTION ROADS AND PARKING AREAS PERIODICALLY FOR CONDITION OF I
SURFACE. TOP DRESS WITH NEW GRAVEL AS NEEDED. CHECK ROAD DITCHES AND OTHER SEEDED AREAS FOR EROSION LLIct
AND SEDIMENTATION AFTER RUNOFF-PRODUCING RAINS. MAINTAIN ALL VEGETATION IN A HEALTHY, VIGOROUS CONDITION. V) o
SEDIMENT PRODUCING AREAS SHOULD BE TREATED IMMEDIATELY. 0 tY
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5. b. SILT FENCE - INSPECT SILT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED V) p Q
REPAIRS IMMEDIATELY. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR BECOME LU LL
E H INEFFECTIVE, REPLACE IT IMMEDIATELY. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE rn CC _1VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE 2 d Q
a DURING CLEANOUT. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE LLI
122 d AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED. Q 0_ O
c. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CHECKED PERIODICALLY, AND AFTER EVERY HEAVY LL 0-
Ji RAIN EVENT. SEDIMENT SHALL BE REMOVED FROM DIVERSIONS AND OTHER RUNOFF CONTROL PRACTICES. IF ANY DAMAGE, J
INCLUDING WASHOUTS AND BREAK OCCUR, THEY SHALL BE REPAIRED IMMEDIATELY. ANY AREA THAT SHOWS EVIDENCE OF
EROSION SHALL BE REPAIRED BEFORE THEY WORSEN. ' z
d. THE RESPONSIBILITY OF ALL EROSION AND SEDIMENT CONTROL MAINTENANCE SHALL BE THE SOLE RESPONSIBILITY O 0
Lc '0OF THE CONTRACTOR DURING THE CONSTRUCTION PHASE OF THE PROJECT, AFTER THE SITE HAS BEEN STABILIZED L.
RESPONSIBILITY SHALL BE TRANSFERRED TO THE PROPERTY OWNER.
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e. ALL DENUDED AREAS AND EXPOSED SLOPES SHALL BE STABILIZED WITH TEMPORARY/PERMANENT SEEDING WITHIN V 3
>°d 21 CALENDAR DAYS. PERMANENT SEEDING SHALL BE APPLIED TO ALL AREAS OF COMPLETED CONSTRUCTION WITH 15
m; WORKING DAYS OR 90 CALENDAR DAYS, WHICHEVER IS SHORTER. SHEET NUMBER
CE501
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