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Home My WebLink AboutSW1221002_Plansheet CL403.P2 - Grading/Drainage Plan_20230223 M OWNER / DEVELOPER LT Greater Asheville Regional Airport Authority 41, rr- qm 61 Terminal Drive Suite 1 AI Gres am Smi = — = — ffa8== pw $e `_ Fletcher, North Carolina 28732 t \ \ _ Owner Contact: Michael Reisman GS-NC P.C. �w / / / �� 8� �� Email: mreisman@flyavl.com An Affiliate of Gresham Smith e • / / hl c -w • s•• • ••••• •• • / � /: r / � —-f-—� / — �/ // // // // // // // � �—o —o—o�.,aT=r.� • � � \ ,\ \ \ \ 4.//' — W — — — — — /i1�• _ -,' — -- \ \ .I 201 South College St. / > IN Suite 1950 g / \ Charlotte, I C\ \ , NC 28244 \V � 704.944.7970 IN, \ \ \ \ r \ \ h d k $d \ NOTES: ® \\ \ PROJECT IS TO BE COMPLETED IN �m o • MULTIPLE PHASES. PROJECT IS TO ALWAYS MAINTAIN VEHICLE ACCESS r \ \ \ \ \ \ LL \\ 1 \ g TO PUBLIC SAFETY BUILDING AND��pp_ \\\\ \\ \\ `\ `\ \\ \ J \ I �y• \ \I SIDEWALK FROM PUBLIC SAFETY BUILDING TO TERMINAL. , ad A \V A v V A V A \ COORDINATE WITH CONTRACTOR ot,� \ \\ \\ a \\ • \\� \ PHASING DRAWINGS. � p \ •�� \\ \ `\ d& \\ \`\ \\ \ v v •• 1 A d SEE AIRSIDE CIVIL PLANS FOR ALL E&SC MEASURES ON WEST SIDE OF Gresham AOA BOUNDARY LINES. • " � ee •• • Smith CONTRACTOR TO IDENTIFY \ \ \ — ' — — •• ` �act� • / LOCATION AND ACCESS POINTS OF x ANY TEMPORARY STOCKPILE ON \ SITE AND SHALL CONSTRUCT STOCKPILE IN COMPLIANCE WITH DETAIL 12/CL902.P2. / ,••�•'• Q • 2145.95 19n — _� _ � \ J A — "`� • - � � � v � � evflie - • MW 37 REG IONAL AIRPORT Asheville Regional t a , --- �� Airport I s Terminal • I �g�z - : � \ \ ABC.d.m -- 'P ,/ 'T i / ` I �:; \ •¢ ` Modernization 6 E- _ 61 Terminal Drive Suite 1 Fletcher, North Carolina 28732 1IOo AOA OUNDARY $ %'l.; ` ` 02/16/2022 GS Project#: 43483.02 AOABOLINDARY _ _- _ \ aril III I \ \ I\ \ \ ( - \ p .F o•,�. AOA BOUNDARY. SEE AIRSIDE CIVIL PLANSSEAL -7 I I I\ I I I ) - - - FOR CONTINUATION OF E&SC MEASURES. \ A � �� vv ? �•;9 AOA BOUNDARY. SEE AIRSIDE CIVIL PLANS \ \\ \ / - / = 053149 � \\ \\ \ J� ]\\ / / FOR CONTINUATION OF E&SC MEASURES. I \ — \ \� — J / \ /// p F e • �& 10/24/2Z SITE OUTFALL %9� Nc N e�.��<• / / =1 / / /�»H �I RECEIVING WATERS: ,��/�ygN•D..Hvp\\\\\\ / / I UNNAMED TRIBUTARY CREEK OF FRENCH BROAD RIVER FRENCH BROAD RIVER, NCDEQ DIVISION OF WATER RESOURCES CLASSIFICATION B / / / - I LID /� — � � i � i � i � i � i � i � i � i � i � i � i MJ.G i M i i i i i � � NC 053149 � � / / / � I NATHAN HUDGENS, PE � i � i � \ / / PROJECT LIMITS OF DISTURBANCE = 13.0 AC / / O � � , / / / / , / // / // � I - I REVISION NO. DATE DESCRIPTION E&SC GENERAL NOTES: 1 02/16/22 ISSUE FOR CONSTRUCTION 2 03/09/22 ADDENDUM 02 1. SEDIMENT SHALL BE REMOVED FROM SILT FENCE WHEN REACHES 3 THE HEIGHT OF THE FENCE; / / / / / - �� o LEGEND SEDIMENT SHALL BE REMOVED FROM ALL OTHER E&SC MEASURES AND CONTROL AS 3 03/28/22 ADDENDUM 03 Q) — — PROPERTY LINE RECOMMENDED BY THE NORTH CAROLINA EROSION AND SEDIMENT CONTROL PLANNING AND / / / / / ' �� 4 05/02/22 AGENCY COMMENTS N DESIGN MANUAL, AND MUST BE REMOVED WHEN DESIGN CAPACITY HAS BEEN REDUCED BY 50%. - ' I I v \ \ 2. E&SC MEASURES SHALL BE IMPLEMENTED BEFORE EARTH-MOVING BEGINS. / / / / / / � 5 08/19/22 AGENCY COMMENTS BUILDING LINE 3. AREAS WHERE CONSTRUCTION HAS TEMPORARILY/PERMANENTLY CEASED SHALL BE STABILIZED / / / / / / - I I 6 10/24/22 ASI 006 WITHIN 14 DAYS (7 DAYS FOR> 33% SLOPES). 21 — —2145— — EXISTING MAJOR CONTOUR 4. INSPECTIONS OF OUTFALLS/E&SC MEASURES SHALL BE CONDUCTED AT LEAST TWICE WEEKLY / / - -0 AND AT LEAST 72 HOURS APART. Mo — — —2146— — — EXISTING MINOR CONTOUR 5. VEGETATION, E&SCS, AND OTHER PROTECTIVE MEASURES SHALL BE REPAIRED, REPLACED, OR II d MODIFIED WITHIN 7 DAYS OF BEING NOTIFIED OF AN ISSUE. / / / / SG w F I� U 6. CONSTRUCTION SHALL BE PHASED FOR ACTIVITIES THAT WILL DISTURB >50 ACRES. I 2145 MAJOR CONTOUR p 7. E&SCS SHALL BE DESIGNED TO CONTROL THE RAINFALL AND RUNOFF FROM A 10-YEAR, 24-HOUR � 2146 MINOR CONTOUR RETURN INTERVAL STORM. d' 8. TEMPORARY SEDIMENT BASIN SHALL BE PROVIDED FOR ON-SITE OUTFALLS THAT RECEIVE DRAINAGE FROM >5 ACRES. — — — — — — — STORM PIPE 9. SEDIMENT BASINS AND TRAPS SHALL BE DEWATERED AND ALL SEDIMENT TO BE REMOVED PRIOR TO REGRADING FOR PERMANENT PONDS. TEMPORARY SEDIMENT BASIN STRUCTURES AND � I I LIMITS OF DISTURANCE PIPES ARE NOT TO BE REMOVED OR CONVERTED TO THE PERMANENT STRUCTURES AND PIPES CL UNTIL AFTER THE DRAINAGE AREA HAS REACHED FINAL STABILIZATION. STRUCTURES AND PIPES SF SILT FENCE SHALL BE CLEANED OF SEDIMENT PRIOR TO CONVERSION TO PERMANENT STRUCTURES AND o PIPES. FS FILTER SOCK 10. IF BORROW OR WASTE MATERIAL IS REQUIRED OR GENERATED DURING GRADING OPERATIONS, ' Q U AN APPROVED EROSION AND SEDIMENT CONTROL PERMIT SHALL BE SECURED FOR THE BORROW TP TREE PROTECTION FENCE OR WASTE MATERIAL SITE PRIOR TO INITIATION OF ANY LAND DISTURBING ACTIVITY. ` — 11. ALL CATCH BASINS TO HAVE WASHED STONE IN SAND BAGS AS EXTERNAL PROTECTION. \\ 0 12. CONTRACTOR TO COORDINATE ALL UTILITY CROSSINGS TO ENSURE NO CONFLICTS WITH RIP-RAP EXISTING UTILITIES. \ ` \ o_ 13. CONTRACTOR TO COORDINATE TEMPORARY ACCESS ROADS WITH ENGINEER PRIOR TO cN TURF REINFORCED MATTING INSTALLATION AND CONSTRUCT TEMPORARY ACCESS IN ACCORDANCE WITH NCDEQ FINAL E&SC PLAN REGULATIONS. FINAL STABILIZATION SEDIMENT BASIN MAINTENANCE NOTES: 1* 1. INSPECT TEMPORARY SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH o SIGNIFICANT (2 INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. ALL DISTURBED AREAS TO BE STABILIZED WITHIN 14 DAYS AFTER CONSTRUCTION ACTIVITY HAS INLET PROTECTION 2. REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN IT I TEMPORARILY OR PERMANENTLY CEASED. O 0 ACCUMULATES TO ONE-HALF THE DESIGN DEPTH. STEEP SLOPES (33% OR GREATER) SHALL BE TEMPORARILY STABILIZED NO LATER THAN 7 DAYS CL403mP2 3. PLACE REMOVED SEDIMENT IN AN AREA WITH SEDIMENT CONTROLS. AFTER CONSTRUCTION ACTIVITY HAS TEMPORARILY OR PERMANENTLY CEASED. 4. CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND AREAS OF PERMANENT STABILIZATION TO BE SEEDED WITH KY-31 FESCUE AT 5 LBS PER 1,000 SF INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. STRAW MULCH AT 1.5 BALES PER 1,000 SF. 5. MAKE ALL NECESSARY REPAIRS IMMEDIATELY. 6. REMOVE ALL TRASH AND OTHER DEBRIS FROM THE RISER AND POOL AREA. EROSION CONTROL MATTING SHALL BE USED ON ALL SLOPES 3:1 OR STEEPER. 60' 0 60' 120' FINAL E&SC PLAN 7. SEDIMENT BASIN EMBANKMENTS SHALL BE PROVIDED WITH ADEQUATE GROUNDCOVER IMMEDIATELY UPON CONSTRUCTION IN THE INITIAL PHASE OF GRAPHIC SCALE p SCALE: 1"=60' CONSTRUCTION AND CONVERSION TO PERMANENT STORMWATER DETENTION POND CONSTRUCTION DOCUMENTS IN THE FINAL PHASE OF CONSTRUCTION. I