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GRADING CONTRACTOR SHALL CHECK/ IDENTIFY FOR ALL UNDERGROUND UTILITIES PRIOR TO BEGINNING THE CLEARING / GRADING. 2. ALL EROSION CONTROL DEVICES SHALL BE MAINTAINED DAILY. THE SEDIMENT BASIN SHALL BE CLEANED OUT WHEN THE SEDIMENT REACHES 1/2 OF THE SEDIMENT STORAGE CAPACITY. SILT FENCE SHALL BE CLEANED FROM SEDIMENT WHEN TNE SEDIMENT LEVEL IS HALF WAY UP THE SILT FENCE FABRIC. THE CONSTRUCTION ENTRANCE MAY REQUIRE ADDITIONAL STONE TO PREVENT TRACKING ONTO KIT CREEK ROAD. THE GRADING CONTRACTOR WILL BE RESPONSIBLE FOR CLEANING ANY TRACKING OF SEDIMENT ONTO PAVED ROAD AS SOON AS POSSIBLE, BUT BEFORE THE END OF THE WORK DAY. 3. ALL DEBRIS STOCK PILES SHALL BE REMOVED AND PROPERLY DISPOSED (I.E. MULCH AND ORGANIC MATERIALS). 4. INSTALL A TEMPORARY BERM AT TOP OF SUBSTATION PAD FILL SLOPES TO PREVENT RUNOFF ONTO SLOPES DURING CONSTRUCTION. BERM IS TO BE REMOVED UPON SLOPE STABILIZATION. Call at least three working days before you plan on digging North� Carolina `� ,• www.nc811.org \ � Dial 811 or 7-800-632-4949 NC DENR GROUND STABILIZATION DESCRIPTION TIME EXCEPTIONS PERIMETER DIKES, SWALES, DITCHES AND 7 DAYS NONE SLOPES HIGH QUALITY WATER (HQW) ZONES 7 DAYS NONE IF SLOPES ARE 10' OR LESS IN SLOPES STEEPER THAN 3:1 7 DAYS LENGTH AND ARE NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED SLOPES 3:1 OR FLATTER 14 DAYS �-DAYS FOR SLOPES GREATER THAN 50 FEET IN LENGTH ALL OTHER AREAS WITH FLATTER THAN 4:1 14 DAYS NONE (EXCEPT FOR PERIMETERS AND HQW ZONES) PARCEL DATA: OWNER: DUKE ENERGY CAROLINAS, LLC 422 SOUTH CHURCH STREET CHARLOTTE, NC 28242-0001 PHONE: 704.328.4021 PHYSICAL ADDRESS: 9001 MOORESVILLE ROAD CONCORD, NC 28027 PID NUMBER: 03-005-0015.00 LAND UNIT NUMBER: 1005604 TOTAL AREA: UNKNOWN PARCEL ZONING: AO - AGRICULTURAL OPEN DISTRICT SITE DATA: TOTAL SITE AREA: TOTAL DISTURBED AREA: EXISTING IMPERVIOUS AREA PROPOSED GRAVEL AREA: RIVER BASIN: WATERSHED: STREAM NAME: 15.15 +/— AC. 2.0 AC. 0 AC. 0.53 AC. YADKIN WS-11 CODDLE CREEK TRIB. 4 (FIRM) EMERSON BRANCH (USDA) ILEGEND: PROPERTY LINES � � ROAD R/W LI M ITS EXISTING LINE R/W LIMITS PROPOSED TRANSMISSION LINE oE oE EXISTING TRANSMISSION LINE 4-STRAND BARB WIRE FENCE X X EXISTING MAJOR CONTOUR � PROPOSED MAJOR CONTOUR EXISTING MINOR CONTOUR PROPOSED MINOR CONTOUR PROPOSED CULVERT INSTALLATION RIPRAP APRON / CULVERT INLET PROTECTION TEMPORARY CLEAN WATER DIVERSION SWALE >T� � PERMANENT DIVERSION SWALE SILT FENCE TEMPORARY ROCK CHECK DAM EXISTING UTILITY POLE � CONSTRUCTION ENTRANCE EROSION CONTROL MATTING - SWALE INSTALLATION EROSION CONTROL MATTING-SLOPE INSTALLATION F I L E NAM E: 2709523 ERC. DWG STEEL POST (1.33 LB/LIN FT STEEL- 4FT MIN LENGTH) EXTRA STRENGTH FILTER FABRIC NEEDED WITHOUT WIRE MESH FABRIC; FABRIC HEIGHT, 18" TO 24" STEEL POST F_ �� F� 6 FT. MAX. SPACING � I �y 24" MIN. � � RUNOFF � 24" MAX. \ �� _ BACKFILL TRENCH WITH COMPACTED 8" DOWN-4" FORWARD STANDARD DETAIL TRENCH WITH NATIVE BACKFILL NOTES: 1. INSPECT AND REPAIR FENCE AFTER EACH STORM EVENT AND REMOVE SEDIMENT WHEN DEPOSITS REACH 30% OF FENCE HEIGHT. 2. REMOVED SEDIMENT SHALL BE DEPOSITED TO AN AREA THAT WILL NOT CONTRIBUTE SEDIMENT OFF-SITE AND CAN BE PERMANENTLY STABILIZED. 3. SILT FENCE SHALL BE PLACED ON SLOPE CONTOURS TO MAXIMIZE PONDING EFFICIENCY. 4. SILT FENCE DRAINAGE AREA OF 1/4 ACRE OR LESS PER 100 LF. 5. WIRE MESH REINFORCEMENT SHALL CONSIST OF 14 GAUGE WIRE X 6" SPACING. 6. SYNTHETIC FILTER FABRIC MIN. REQUIREMENTS: A. TENSILE STRENGTH - 90 LBS; B. PERMITTIVITY - 0.05 SEC-1; C. APPARENT OPENING SIZE - 30 US STD. SIEVE; AND, D. ULTRAVIOLET STABILITY - 70% EC 01 WIRE MESH FABRIC; CONTINUOUS THROUGH ROCK OUTLET NCDOT CLASS A RIP RAP 1'-6" HIGH 4' STEEL POST (1.33 LB/LIN FT STEEL- 4FT MIN LENGTH) � _ EC 02 S LT FENCE DETA � li F� � 6' MAX. SPACING DESIGN DRAINAGE AREA y�EIR LENGTH (L) TYPE (APPROX.) MIN. 1/4 1/2 ACRE 4.0 FT STEEL POST 4 (1.33 LB/LIN FT STEEL- 4FT MIN LENGTH) SILT FENCE � 9" MAX (RECOMMENDED) STORAGE HEIGHT � PONDING HEIGHT STEEL POST 36 in. ABOVE GRADE (MAX.) RUNOFF � , � ? # 57 WASHED �� STONE ,f��ll $�� ROCK SECTION DETAIL TRENCH WITH GRAVEL S LT �EN CE W/ R OCK OU T�ET 1/4" WIRE MESH STEEL POSTS � � �. -3� � � � � �, �� ' rE ' b �� F ... ."' "' " "" "�"�' �;; J� oa o �� : � #57 WASHED STONE DROP INLET WITH GRATE SEE 2712032SDR DET. 2 SHT. 4 EC O � NOTE: 1. THE FABRIC SHALL CONTAIN ULTRAVIOLET PROHIBITORS 2. CUT FABRIC FROM CONTINUOUS ROLL TO PREVENT JOINTS 3. GATHER EXCESS MESH AT CORNERS 4. FASTEN FABRIC SECURELY TO THE STEEL POSTS HEIGHT: MIN. 2' 1' STEEL POSTS WIRE MESH-HARDWARE CLOTH 23 GA. MIN. & SHALL HAVE �1/4" MESH OPENINGS #57 WASHED STONE BOTTOM OF WIRE MESH �EXTENDS 1' UNDER STONE �i 2' CATCH BAS N NLET PROTECTION STEEL POST DRIVEN 18" INTO GROUND � $>� NOTES: 9�> 1. KEY STONE INTO THE DITCH BANKS AND EXTEND A � IT BEYOND THE ABUTMENTS A MINIMUM OF 18" __ _ _ ___!_- TO PREVENT OVER FLOW AROUND DAM. , 2. DRAINAGE AREA IS LIMITED TO 1/2 ACRE. � 3. MAX HEIGHT AT CENTER OF DAM- 24" N CLASS 'B' �' � 4. CENTER OF DAM 9" BELOW NATURAL GROUND AT OUTER EDGES. OUTER EDGES TO BE PLACED OVER RIP-RAP A FILTER THE CHANNEL BANKS TO KEEP WATER FROM FABRIC CUTTING AROUND THE DAM. SECTION VIEW LOOKING UPSTREAM 5. SPACE CHECK DAMS IN A CHANNEL SO THAT THE CREST OF DOWNSTREAM DAM IS AT ELEVATION OF 12" OF #57 THE TOE OF UPSTREAM DAM. WASHED STONE � _ FLOW �t --�' --- - N FILTER CLOTH - --,--,_- 4 TO 6 FEET SECTION A- A CENTER OF DAM EC 04 EC 05 'L' = THE DISTANCE SUCH THAT POINTS A& B ARE OF EQUAL ELEVATIONS 'L' L' POINT 'A' _ _ - - POINT 'B' _ _---.� SPACING BETWEEN CHECK DAMS ROCK CHECK DAM SURFACE STABILIZATION MEASURES Seeding will be completed immediately following site reclamation and prior to project completion. Temporary or intermediate seeding, mulching, matting, or other surtace stabilization measures will be placed on disturbed areas following initial soil disturbance. Prior to seeding, all surfaces shall be scarified to a depth of four to six inches to enhance seed germination and help impede stormwater runoff. Seeding mixtures will be tailored to site-specific conditions, steepness of slopes, climate, location, and elevation. Typical seeding guidelines are as follows: February through mid-April Ky-31 Tall Fescue 120 Ib/acre Sericea lespedeza (scarified) 30 Ib/acre Kobe lespedeza 10 Ib/acre Mid-April through July Ky-31 Tall Fescue 120 Ib/acre Sericea lespedeza (scarified) 30 Ib/acre Kobe lespedeza 10 Ib/acre August through January Ky-31 Tall Fescue 120 Ib/acre Sericea lespedeza (unscarified) 50 Ib/acre Kobe lespedeza 10 Ib/acre RYE GRASS shall NOT be used. Special exceptions may be allowed ONLY with the approval of the Engineer and shall be considered "temporary" seeding only. Prior to completion of project, all areas seeded with rye grass shall be reseeded for permanent stabilization per above schedule. Nurse crops shall be added to aid the establishment of permanent vegetation. General guidelines for nurse crop seeding rates are as follows. May through mid-August German Millet 10 Ib/acre Mid-August through April Rye Grain 40 Iblacre In the absence of soil tests, fertilizer and lime will generally be applied at the following rates: 10-10-10 Fertilizer 500 Ib/acre Ground agricultural limestone 2000 Ib/acre Liquid lime or alternative fertilizers may be substituted in various situations. Mulch or matting shall be applied to all seeded areas to aid in the establishment of vegetation and help impede erosion. Vegetative mulch, typically wheat or oat straw, shall be applied at the rate of 3,000 to 4,000 Ibs/acre. NOTE: SEEDING FOR GROUNDCOVER ON EXPOSED SLOPES SHALL BE PERFORMED WITHIN 15 DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. SEEDING SPEC F CAT ONS PROPOSED SCHEDULE OF EVENTS AND CONSTRUCTION SEQUENCE 1. OBTAIN PLAN APPROVAL AND ALL APPLICABLE CONSTRUCTION/GRADING PERMITS. 2. FLAG/MARK WORK LIMITS FOR SITE DEVELOPMENT CONSTRUCTION. 3. ESTABLISH SITE ACCESS AND INSTALL CONSTRUCTION ENTRANCE. 4. PERFORM CLEARING FOR EROSION CONTROL MEASURES AND INSTALL MEASURES AS INDICATED IN EROSION AND SEDIMENT PLANS. 5. INSTALL THE SITE CUT-SLOPE DIVERSION SWALE TO DIVERT STORMWATER FROM THE SITE TO HELP KEEP STORMWATER OFF THE CONSTRUCTION SITE. CUT-SLOPE SWALE MUST BE IMMEDIATELY MATTED/SEEDED FOR STABILITY. 6. BEGIN SITE CLEARING AND GRUBBING OPERATIONS. 7. PERFORM SUBSTATION GRADING AND EARTHWORK, INCLUDING ALL FILL AND EXCAVATION. 8. COMPLETE SUBSTATION ACCESS DRIVES, INCLUDING THE INSTALLATION OF ALL CULVERTS AND SWALES. STABILIZE ACCESS WITH GRAVEL PAVING. 9. INSTALL SUBSTATION PAD SUBSURFACE DRAINAGE AND PIPING SYSTEM. 10. UPON COMPLETION OF SITE DEVELOPMENT ACTIVITIES, ALL DISTURBED SURFACES SHALL BE STABILIZED VIA SEEDING, FERTILIZING AND MULCHING. IN GENERAL, ALL DISTURBED AREAS MUST BE STABILIZED WITHIN 14 DAYS FOLLOWING COMPLETION OF CONSTRUCTION. SWALES, DITCHES AND SLOPES STEEPER THAN 2:1 MUST BE SEEDED WITHIN 7 DAYS. 11. CONTRACTOR SHALL INSPECT AND MAINTAIN EROSION CONTROL MEASURES THROUGH DURATION OF THE PROJECT. 12. COMPLETE SUBSTATION CONSTRUCTION AND BEGIN INSTALLATION OF ELECTRICAL LINES. 13. MAINTAIN ALL EROSION CONTROL MEASURES UNTIL SITE HAS BEEN STABILIZED. 14. REMOVE SEDIMENT AND EROSION CONTROL MEASURES AFTER SITE STABILIZATION (AT THE DIRECTION OF THE OWNER). EC 08 EC 07 IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6"(15CM) MAY BE NECESSARY TO PROPERLY SECURE THE RECP'S. 1. PREPARE SOIL BEFORE INSTALLING ROLLED EROSION CONTROL PRODUCTS (RECPS), INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED. 2.BEGIN AT THE TOP OF THE SLOPE BY ANCHORING THE RECPS IN A 6"(15CM) DEEP X 6"(15CM) WIDE TRENCH WITH APPROXIMATELY 12" (30CM) OF RECPS EXTENDED BEYOND THE UP-SLOPE PORTION OF THE TRENCH. ANCHOR THE RECPS WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30CM) APARTIN THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO THE COMPACTED SOIL AND FOLD THE REMAINING 12"(30CM) PORTION OF RECPS BACK OVER THE SEED AND COMPACTED SOIL. SECURE RECPS OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED APPROXIMATELY 12"(30CM) APART ACROSS THE WIDTH OF THE RECPS. 3.ROLL THE RECPS (A) DOWN OR (B) HORIZONTALLY ACROSS THE SLOPE. RECPS WILL UNROLL WITH APPROPRIATE SIDE AGAINST THE SOIL SURFACE. ALL RECPS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. 4.THE EDGES OF PARALLEL RECPS MUST BE STAPLED WITH APPROXIMATELY 2" - 5" (5-12.5CM) OVERLAP DEPENDING ON THE RECPS TYPE. 5.CONSECUTIVE RECPS SPLICED DOWN THE SLOPE MUST BE END OVER END (SHINGLE STYLE) WITH AN APPROXIMATE 3"(7.5CM) OVERLAP. STAPLE THROUGH OVERLAPPED AREA, APPROXIMATELY 12"(30CM) APART ACROSS ENTIRE RECPS WIDTH. SLOPE M ATT N G N STA�LAT ON DETAI L VC �YNE�6ETIC ° UC SYNERGETIC, LLC - North Carolina COA No. F-1217 123 North White Street, Fort Mill, SC 29715 SCALE: AS NOTED A REv SEAL: 6" (15cm) 0 4"-6" � (10-15cm) � ��rr � 6" (15cm) 6" (15cm) 0 / "(lOcm � 4"(lOcm) , � 6�� lll� -I �� , m) J I= ,. , � � � � � , \ ^I .� .� .__. .� .__, � ,�i,, � "-- s ;.-. I� 0 - CRITICAL POINTS A. OVERLAPS AND SEAMS B. PROJECTED WATER LINE C. CHANNEL BOTTOM/SIDE SLOPE VERTICES A A B C B C �. �' �_ °-_ EC 09 90°/a REVIEW ISSUE DESCRIPTION 'l��ll � ��a i�r� G��: n�, � PRELIMINARY r�rr,l, nr �ira�rFr�ra�, �� AS BUILT �'0�A�('IDI'\=TT Il: a �1'U :I-1a 1�� \%0�'I' 11L' Contract; LO=1 _�7;'U. l�G'PI �OUL'('I�'l� Ol; COPI1'D. L"17'IICI, iPEfOI,I,1 OF� T�\� PaP7'. Company: OR lI4DP, PI RIJf' I1 a \�1 lI� ��V�L7t II 1'1'JIOC�'I' 7'IIL� iNRITI L \' Phone: CO \ ` l;' 17' 0!' DC�I�T' C\'F'PCl Date: ('ORl'OP-ITT01�. �`�i 11�'��i�''.`r� 1` �p�e;_ _n,�; r•. � i ,��.:,�- `�,'�'-.�� 'n nr`' •'tl-'ll�' 4 �/ I�� ; ii U��l NOTES: *HORIZONTAL STAPLE SPACING SHOULD BE ALTERED IF NECESSARY TO ALLOW STAPLES TO SECURE THE CRITICAL POINTS ALONG THE CHANNEL SURFACE. **IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6"(15CM) MAY BE NECESSARY TO PROPERLY SECURE THE RECP'S. 1. PREPARE SOIL BEFORE INSTALLING ROLLED EROSION CONTROL PRODUCTS (RECPS), INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED. 2.BEGIN AT THE TOP OF THE CHANNEL BY ANCHORING THE RECPS IN A 6"(15CM) DEEP X 6"(15CM) WIDE TRENCH WITH APPROXIMATELY 12"(30CM) OF RECPS EXTENDED BEYOND THE UP-SLOPE PORTION OF THE TRENCH. USE SHOREMAX MAT AT THE CHANNEL/CULVERT OUTLET AS SUPPLEMENTAL SCOUR PROTECTION AS NEEDED. ANCHOR THE RECPS WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12"(30CM) APART IN THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO THE COMPACTED SOIL AND FOLD THE REMAINING 12"(30CM) PORTION OF RECPS BACK OVER THE SEED AND COMPACTED SOIL. SECURE RECPS OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED APPROXIMATELY 12" APART ACROSS THE WIDTH OF THE RECPS. 3.ROLL CENTER RECPS IN DIRECTION OF WATER FLOW IN BOTTOM OF CHANNEL. RECPS WILL UNROLL WITH APPROPRIATE SIDE AGAINST THE SOIL SURFACE. ALL RECPS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. 4.PLACE CONSECUTIVE RECPS END-OVER-END (SHINGLE STYLE) WITH A 4"-6" OVERLAP. USE A DOUBLE ROW OF STAPLES STAGGERED 4" APART AND 4" ON CENTER TO SECURE RECPS. S.FULL LENGTH EDGE OF RECPS AT TOP OF SIDE SLOPES MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12"(30CM) APART IN A 6"(15CM) DEEP X 6"(15CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. 6.ADJACENT RECPS MUST BE OVERLAPPED APPROXIMATELY 2"-5" (5-12.5CM) (DEPENDING ON RECPS TYPE) AND STAPLED. 7.IN HIGH FLOW CHANNEL APPLICATIONS A STAPLE CHECK SLOT IS RECOMMENDED AT 30 TO 40 FOOT (9 -12M) INTERVALS. USE A DOUBLE ROW OF STAPLES STAGGERED 4"(10CM) APART AND 4"(10CM) ON CENTER OVER ENTIRE WIDTH OF THE CHANNEL. 8.THE TERMINAL END OF THE RECPS MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30CM) APART IN A 6"(15CM) DEEP X 6"(15CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. SWALE M ATT N G N STA�LAT ON DETA � REVIEW HB00184C1 CAN-UCS CAN-UCS WJB-UCS 02/03/2017 ISSUE TYPE DPI DFT DES/CHK ENG DATE REVISION HISTORY T�T�E: ACCESS ROAD zERO EROSION CONTROL DETAILS . 100kV-12kV SUBSTATION `°��°" WINDY ROAD ACCESS � DU� c�rv: CONCORD couNn: CABARRUS STATE: NC �� SHEET SIZE: REGION: - STATION NUMBER: DRAWING NUMBER: REV: ENERGY• ARCH D NC SC 2594 2709523ERC A SHEEf Z OF 2 F I L E NAM E: 2709523 ERC. DWG