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Home My WebLink About20110089 Ver 3_More Info Received_20170725GRADING AND DRAINAGE NOTES: 1. EARTHWORK QUANTITIES HAVE BEEN ESTIMATED AND SITE AS SHOWN IS ASSUMED TO REPRESENT A BALANCED CUT / FILL CONDITION. PROJECT OBJECTIVE IS TO GRADE AS MUCH OF FUTURE ADDITION AS MATERIAL ALLOWS. 2. CONTRACTOR SHALL PERFORM HIS OWN ESTIMATE AND SHALL PROVIDE ALL EARTHWORK NECESSARY TO ACHIEVE THE DESIGN GRADE, INCLUDING ANY OFFSITE BORROW OR SPOILS REQUIRED. 3. CONTRACTOR SHALL PROVIDE POSITIVE DRAINAGE IN ALL GRADED AREAS, INCLUDING PAVING, LAWN AND LANDSCAPE AREAS. 4. THE CONTRACTOR SHALL IMMEDIATELY REPORT TO THE OWNER ANY DISCREPANCIES FOUND BETWEEN ACTUAL FIELD CONDITIONS AND CONSTRUCTION DOCUMENTS AND SHALL WAIT FOR INSTRUCTIONS PRIOR TO PROCEEDING. 5. CONTRACTOR SHALL VERIFY LOCATION OF ALL UNDERGROUND UTILITIES PRIOR TO BEGINNING WORK, BOTH PUBLIC AND PRIVATE. CONTRACTOR IS FULLY RESPONSIBLE FOR ALL UNDERGROUND UTILITIES AND SHALL REPAIR ANY DAMAGE AS A RESULT OF THIS CONTRACT. 6. CONTRACTOR SHALL BLEND NEW EARTHWORK SMOOTHLY TO TRANSITION BACK TO EXISTING GRADE. 7. THE PROPOSED CONTOURS AND SPOT ELEVATIONS SHOWN IN DRIVES, PARKING LOTS AND SIDEWALKS ARE FINISHED ELEVATIONS INCLUDING ASPHALT. REFER TO PAVEMENT CROSS SECTION DATA TO ESTABLISH CORRECT SUBBASE OR AGGREGATE BASE COURSE ELEVATIONS TO BE COMPLETED UNDER THIS CONTRACT. 8. ALL "STD." NUMBERS REFER TO THE (AGENCY) DEVELOPMENT STANDARDS. 9. ON-SITE BURIAL PITS REQUIRE AN ON-SITE DEMOLITION LANDFILL PERMIT FROM THE ZONING ADMINISTRATOR. 10. MAXIMUM CROSS SLOPE OF SIDEWALKS SHALL BE 1/4" /FT. 11. SLOPES SHALL BE GRADED NO STEEPER THAN 2:1. W/ OUT ADDITIONAL STABILIZATION MEASURES AND PRIOR APPROVAL. 12. APPROVAL OF THIS PLAN IS NOT AN AUTHORIZATION TO GRADE ADJACENT PROPERTIES. WHEN FIELD CONDITIONS WARRANT OFF-SITE GRADING, PERMISSION MUST BE OBTAINED FROM THE AFFECTED PROPERTY OWNERS. NOTE: PROVIDE 4" CLEANOUTS FOR SAND FILTER UNDERDRAIN SYSTEM EVERY 50 -FT AND ALL BENDS FILTER FABRIC 1" DEBRIS SCREEN AROUND (CLEAN WASHED PERIMETER & STONE) BOTTOM WEIR EARTHEN BERM. FILTER FABRIC 1.5' SAND FILTER AMERICAN 1.5' OF CLEAN PERMANENT WASHED OR APPROVED EQUAL. CONCRETE SAND ELEVATION = 774'. ASTM -C33 WEIR EARTHEN FILTER FABRIC EMERGENCY 6" RAV AY R ,/ COMPACTED EARTH/ 6" PERFORATED GREEN P300 UNDERDRAIN TURF REINFORCEMENT MAT, WRAPPED IN 12'Wx17'L. FILTER FABRIC DETAILS: oo - Provide 95% Compaction L.1 - Underdrain shall be 6" perforated PVC pipe in a 12" gravel layer. Pipe shall have J -inch perforations, spaced at 6" centers, with a minimum of 4 -holes per row. Perforated pipe must have 0.5 % slope min. Underdrain may be HDPE (AASHTO M252) - Underdrain pipe shall be wrapped with filter fabric - Cleanouts shall extend 6" above Filter Media - Minimum of 12" of filter media over drainage pipe. NOTE: Drainage Area must be stabilized prior to filtration controls and filter media being installed and brought online. SAND FILTER MEDIA N.T.S. 1.65' SF #2 COMPACTED SOIL 3:1 SIDE SLOPE 1.5' SF #1 SF 2 ELEV: 777' M 13. ALL PROPOSED CONTOURS IN ALL "FILL" AREAS SHOWN ON THIS PLAN REPRESENT COMPACTED STRUCTURAL FILL AND SHALL BE CONSTRUCTED WITH SATISFACTORY MATERIAL COMPACTED TO THE STANDARDS OUTLINED IN THE SPECIFICATIONS. 14. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA AND SPECIFICATIONS: 14.1 NO MORE THAN 500 LF OF TRENCH MAY BE OPENED AT ONE TIME. 14.2 EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. 14.3 EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT VIOLATE EROSION AND SEDIMENT CONTROL LAW OR ADVERSELY AFFECT FLOWING STREAMS OR OFF-SITE PROPERTY. 14.4 MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE COMPACTED PER THE SPECIFICATIONS. 14.5 APPLICABLE SAFETY REGULATIONS SHALL BE FOLLOWED, AND ARE THE SOLE RESPONSIBILITY OF THE CONTRACTOR TO IMPLEMENT. NOTE: CONVERSION OF SKIMMER BASINS TO SAND FILTERS SHALL NOT OCCUR UNTIL SITE CONSTRUCTION ACTIVITIES ARE COMPLETED AND GROUNDCOVER IS FULLY STABILIZED. SAND FILTER NOTES: Line Size Slope Invert In Invert Out 1. OVERFLOW WEIR EARTHEN BERM. EMERGENCY SPILLWAY TO BE LINED WITH NORTH AMERICAN GREEN P300 PERMANENT TURF REINFORCEMENT MAT, OR APPROVED EQUAL. 5'Wx30'L. TOP OF WEIR ELEVATION = 774'. 2. OVERFLOW WEIR EARTHEN BERM. EMERGENCY SPILLWAY TO BE LINED WITH NORTH AMERICAN GREEN P300 PERMANENT TURF REINFORCEMENT MAT, OR APPROVED EQUAL. 12'Wx17'L. TOP OF WEIR ELEVATION = 779.58'. Inlet ID Length Line Size Slope Invert In Invert Out Rim Elev Material PIPE 09.25.14 (ft) (in.) (%) (ft) (ft) (ft) Class ADD EASEMENT 07.24.17 FES1 �*k poo 772 772 LL ZL3 O U r pj 0 73.5 15 5 oo IM L.1 RCP -3 STM 1 MH 1 Ul Z2 =Z 780.5 775.68 783.5 Z ' W 39 15 5.13 RCP -3 STM 2 MH 2 789 782.5 792 90 15 1 RCP -3 STM 3 CI 1 791.25 800.8 FES 2 777 777 64 24 2 RCP -3 STM 4 MH 3 786 780.1 789 28 24 3 RCP -3 STM 5 DCI 1 787.4 796.6 N 0 L E S D U E FRE A L ESTATE DS i MV. IFO_ AFR T N E F\ LLC 9 , I (( 2203/541 � �• I I III III I I 1 U P i SEE, NOTE 1 PIN 4603-22-0287 I 11 III I III I� I \ CLEARING LIMITS (TYP.) i ii iii I ' 766 R�MA�N DER OR TRACT #1 3:1 MAX. I I; III II 1 I III I 1 0 SIDE SLOPES �2T 'O0'K ;1 6-1107 ► II MH 66 Q CORIPRAP OUTFALL \i 1 i I i ) i �� / if v� I RIM .806.28' 3:1 SEE 9NEET C9 I 1 i i I I I i / I I �I/ II j l INV 794.88 W O O D E D SLOPES FES 1 _�-------- --- _.. \ MIH 2 S° g° 1 '� -' / WOODED E %F- LO E I R -----� -- - --�--- ® -•--�- , 5 0/ E - � 5 - ---- / ---- I I ii 1 \ IVIN. STONE =0.5 / -�' _ •�-- , - ---- --- --- ---- -r- ° I I u I r, „ , --- \ -- --- �- el 1------- I --- -- -- 805 2 SI E S -- 9 r 6 OLID P -----r- --=----------- _ I ii I I iii 1 0 37 F , M 1 fi I --- TC 1 80 .55 i i) 1 lil iii I ;�S�ND FILTER 53-S I % BC:i 80 .05 i l ii I iii STM 3 1 ® / i ; I '� I i �� W I `� \ / I I I 'i �'�� TC: 802.4, T 802.4' TC: 80h.4' N I i I i/ I i I 1 W X FOREBA`� \ C: 801.9 ' ea 00 I oo I I r,\ 01.9 BC: 801.9 o I o I _I I i iln II 1 o _ I° � I LF OF 6" II *R,FOR TED PVC - - - I _ _ _ , , x I iA ) 1l� I i iii II 1 WITH CLE OUTS ✓ I ` I SAND TER #1 r 1DRAINAG MITS I 150 HDPE SLO DRAIN o o II IIS III III /�D 1 I Iv I i i t 1 1 i i I I 0 00 I i I 1 I I R50' I ' i co Q0 I1I1 od w N' Q 3:1 SIDE o CL ISLOPES I iu I 1 o n I \ I I LOT ,1 1 I i `il U I I i CO III 7.576 AC. I TOTPIL I X 11 Jill I 1 00 iii it I ORT ON OR 1,RACT 1 �I� 11' I i � I o I / I I I i# 1 i i/Y i t I� i� i i l LATv BOOK 16-167 / I / I io � � li I,I -1 i � 1 Ilif � z 1r II PROPOSED BUILDING ' �z��'; i-- �' i '�i11 �- o 11 � I UTURE BUILDINGI� w l � , � I, ' 1 ADDITION a- / 50,000 -SF / I /1I— IZ I II, it„ii - I I w = u o- (� I cn II I I o 50,000 -SF n I FFE=802.50' w1 I I I ;,;' I I- 1 l I IQa�I I II J III f �� I� III II I ii Q iIj =I ail I I I .�ii� III I I I w_ � NCDOT 15" HDPE SLOPE D�AIN �Q 7:�ONUMENTI _ I II 11 � JRIM 805.12 (� 1 SAND FILTER 2 I: 1 i I I ' I / II INV 791,87' L� V� N IG TRUST DRAINAGE LIMI S I 2146/031 n� 11 .t I M M I � � I iTj I � l Mrd 1 0 N / I FOREPAY (952 S07�8.5 /i s -r M o fCW �I I 11 I 1 I I /{�. ..'I• •'.�.r� I I I D I I II d � , � I r • ` • •, !• • � � . � . ' � i I I I I I � / � III 1 0 „ •• , ',�": L •' f .' I l Q IIID ,� � I 11/ 58LF OF '• / i` I I I n ' ��Lq2FORATED VC \ i :i • i • r l , . I / I I u�Q °I T'WITHI CLEAN TS778 SANq FI LTE -SF b i / I ° ° SF 1 ELEV: 775' �, �, , O QD r u i` FSS 2 � 10 FT. SWM MAINTENANCE EASEMENT I I , 1 I � A � 1 � � u , 1 '0 �� 1 `Yg I 7 74 I , ��- 1 6 SOLID PVA' 44 -LF STM 4 7' O -- -- - - _ d 1 --- MHS II �= I l 10 1 \ WOOD LL - _ 1 I r TM - -- S�S DCI 1 i / � , I 1� OVERFLOW �EIR 80 __RC �• I D5 MIN. STONE SIZE=0.5 1? Know what's below. SAND FILTER NOTE 2 1 N 8228 �>�- / -----_ 1 - I 1 ODED -�� --80 _, I p Call before you dig. / I I NORTH CAROLINA RIPRAP OUTFALL E M A I NI DER 1 : - I � I , del , SEE SHEET C9 •-� __ I� � i u I o i o 1 _ ONE -CALL CENTER INC. SECTION A -A PN 460320-2306 1 DIAL 811 or 1-800-632-4949 II 2203/541 I I � �� 2 BUSINESS DAYS BEFORE DIGGING www.ncocc.org Copyright 2017 CES GroupEngineersLLP N 3 L E S U E REAL ESTATE o 11 IN SEAL. REVISIONS NO: ISSUE: DATE: 1 ADDED STORM 09.16.14 2 REVISED STORM 09.25.14 3 SAND FILTER 09.26.14 4 SAND FILTER 05.21.15 5 ADD EASEMENT 07.24.17 EL EL 0 0 U w It 0 v J N W m z aW 0 0 Ln �*k poo Z z oLLIM a U LL ZL3 O U r pj 0 L9W W to _ Z oo IM L.1 Wv -'t u Ul Z2 =Z a �3 3 W�o�3 Z ' W WZ N DRAWN DRAWN BY. CES CHECKED BY. DSL PROJECT NO: 6583 COMMENTS: DATE APPROVED: SCALE: 1"=50' DRAWING TITLE: GRADING PLAN DRAWING NUMBER: U U w v L z 0 Z z oLLIM a U - LLJ O U V V) w 0 1-_ V� LU 0 cr_13- DRAWN DRAWN BY. CES CHECKED BY. DSL PROJECT NO: 6583 COMMENTS: DATE APPROVED: SCALE: 1"=50' DRAWING TITLE: GRADING PLAN DRAWING NUMBER: