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HomeMy WebLinkAbout20090566 Ver 3_Stormwater Site Plans_20111222Strickland, Bev From dbatadle@mckimcreed com Sent Thursday December 22 2011 8 49 AM To Strickland Bev Sub�ect Secure Fde Transfer Sender dbatadleCalmckimcreed com Upload Date 2011 12 22 07 47 21 0 Message Beverly Please download the zip file containing PDFs of the drawmgs we submitted to you on Tuesday Let me know if you have any questions Thanks Don B Click the follow�ng link to download your fde(s) Chck to Retrieve Fde(s) 2011 12 20 DWQ 2nd Submittal zip If the above link is not clickable copy and paste the following URL into your browser https //www sendthisfile com/VZ244YobISwclNUOsLdUmGmm Note These files wdl expire in 14 days from the time this email was generated This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed if you have received this e-mail in error please notify the system manager Please note that any views or opinions presented in this e-mail are solely those of the author and do not necessarily represent those of the company Finally the recipient should check this e-mail and any attachments for the presence of viruses The company accepts no liability for any damage caused by any virus transmitted by this e-mail 1 ❑� C 0 � � � 4 3 2 MATCHLINE SEE SHEET C1201 ---� ' _ � � \ \ � � `� � � � a�'%/ � / 1 1 � �/ / x♦ : � �jy � ,. � : ��.�� .,- ��� � � i / ,� � � � - / � � � � t , � -' � / � , % ��A ; � i ' i / ` , V B STANDARD �'E�MANENT i �p � / \ \ �� � -�' ,� \ I \ � ,�. � , � � ` , - � ' i � � / / - �. i i \ 1 � � � ♦` C51 V-SHAPED SWALE #8 `�J � -�3 �-- � � / J � � � � � � � � 1 � � � � � �� �, i � ` , � \ / � - /� / `` , //� I ' / Q„ ,\ i - __ �` � .� � I / -_ � \ \ \ \ � � / / ♦ / ` � � \ ♦ / \ � . � � � � / � ___,' ,--" _�i �� � \� \\ � \�� � � � �,� \ 1 �1 � \ \ \ \ ��� ♦ ..� °� �� ' .� J ������ � , � ,� / ' / ' ' - ^ \ \ \ \ \ \ � � � \ \ ; � ` •+ / / ,; , �� �A � \ \ \ / � � I � � I __-- � � -� \ � � � � � i� I i • ^. � O � � � � � / / � � �- � J � STANDARD TEMPORARY 2 � � - � � � � � � � � s � � �� � I \ \ � - N .�� ��� �� U� '�' , r� . � c � � �� � \ � i � _ � - - - � � � DIVERSION DITCH A C 10 1 1 � �� � �"� -- � i �� � � � \ � � � �A� � � i ��� � � � ( / � - � � � i ' ��" �� � �\ RIf�RAF' „ � / � � � � � �� / / �/ ---1- -_� / � \ \ � \ 1 \ \I J �-" ��- ��/ i� � \\ \ �\ \ � �� `��d � �♦ � ' �� I ;, ��\ ' � ; ' �`\ 'i� ��� ��� �� �\ � / �� ��--- � � � � � � 1 1 \� � �i \ \�� � ��--�� � �s I , ��Z` j � I �`l,� � � � 0� �/ �\��� � \ I � - � � _-- - -�-4-0- - _ TEMPORARY SILT FENCE TREE 5 � � \ � 1 ` \ I � � J J � � � \ \ \� � � \`- - �e ` � l� � � � � `" . °.� �� � � � I � , i � � � _ - -_ � PROTECTION FENCE (TYP) C5i'01 � \ � � � � � � ' � / C3 CHECK DAM � \ � � �\ � � ---� � ,-� � <� i � � ,u � � EXISITNG � � �\ � � I � � � / / � � � ` I � � � � � �� C5 (TYP) � \ \ � � � . s �, / ; / �\'� \� DEMUCK BUILDING � � � � � i � � � � - - � - � � \ � � \ i '� . i � � � I � � _ __ - �\ � , V � ♦� FFE=230.85 � � � � � � / � � � � � � � ` � �� � STANDARD TEMPORARY �t5 / � � ,,,�� v � � � � - � � � � � J � I � \ � % / � - � � ` � � g1 SILT FENCE "� � � o � � � � � � � � � � I I I � / / - -�3� �IVERSION DITCH B�� 1 �5101 � ` � � � � �, '�J 0 � � �,� I I a , ` ' _, ; ,- � � � � � - -�. � � � � \ � � � � - - - _ � � � �s ` � , � � 1 '�� � C5101' OUTLET (TYP) � � ♦ � \ � ' i � �� � ��5��=�� -� �I1� \ � � �/� �j�----__� � �� \ � � LL�.. , �� o. , , ' _ . i ���_� � � - -_� � �i� ��--__ ��� ����\ � , �� ,_ ✓ ` `, _ � � \_�� , � , , � � , _ � _ � � � � � � , � � �, �, _ _ , _ �� ,, � � � -� , � , , � � , �;� �N�� _�� � � � l � �. / //� -_ � \\ � . � ; � i , � � � / i - � � -� � �2� � � \ � � � _ � I � � / �\ �\ / 2 /� � - � � � / / _- - - � � � � ( � � �I � /// / � _ _ \ \ ,� l I� � + _-�o � �� �� � � 35 � � � � / / �� \ � � \ � � \ ` 1 � /// � \ \ \ � \, //' � � ' � � �/ �� �\ �.. -- � ( � g� SILT FENCE � \ \ � 0� � , / � � \ � � ,. � � // - - � \ � 23 ` ' . � / � \ rys�� -�� � � � ♦ , � _- - - � � � � � � � � � � � \ \ \ � I � \ 11 �j � ��� �101 OUTLET (TYP) ��\ \ \ � �� / , � , � - �\�� �'� ���\�\� ♦ �� � ! , � �� . � \ 1 � � � � i � i - - - - � � ��\ � `� �l �a' ���1 �-- �� � -235-� �0 ��`�� � ��p� `� � -- -' � � - - LIMITS OF � --�� i � �\ 2 � \ � O �� � � � � � � � � � _ � � _--- -- � � --� � � �i � ,- _ _ _- -- - - -- � � � 3S� ' ey � ) �b \ o . `\\ �\ \ � � � \ _ 230- - - , .- � . � � � � _ � � � / �DISTURBANCE (TYP.) \ \ � / y� � � -- - � �� - � � \ � � � � _ , �' ' � / �`�� � �� \� �� \ ���� 2 � �' , � _- - � � � � � - �2c�g - � � � � � -I � -��- -- � - - - ___- --- � \ � \ \ � � 7 c�� 1 _ 7'� `� �� ���` �� � � � � --- -- /� � \ � �\ � � � 1 _ �5---_� � � � \ / 2� � / � _ �>�\�� �`\���� �� \• . � _����-� �--� �� � � � �-� - � f � _ -" ` � � � � : � �� -' ��� �.�� �� �� ,- �--� � \ � � ��� / �� � `-'--`�� \\ � \� � �� _ / �� I �♦ ', - ,-' --- - � � \ \\ \\��.i ---- �-- � �� � � � � �� 5� _� __ ii���� i� , �,�o - - � � - -- - - - � ,',�- �` � � � \ \ � - �� � - � - -- -- � \ �Qo , .- 1 � - _ __�23 � � � /l` � ' �_ ^ -- _�-� _- . ----. �-��� � - � �- , \ \ \ � 1 �- - - � � \ \ � \ �a`` CONTRACTOR TO � 1 \ � / 1. � �� R� � - / � J =, , � i � ; " - � - - - � i� � \ \ \ � � � _ � � � � � ��r 1 _ BLO�GK AN� GRAVEL 62 , � _ � /A � ` ; � � - � - �� -- � � � \ � v � INLET PROTECTION. C5102 � � �-- -- _- �� \ � \\ \ \ _ _ - - \\ \\ �� PROVIDE POSITIVE 1 � � // ��, i (% � \ ;l _ , _- - _ - \ - �- � - SLOPE � RI P'. _ � � �► � \ ,_ - - _ \ \ \ \ a ._ i s � 11�i � - � - -- - \ �/ � � � � � �t � 2-5 9- - -� _ � \ I \ l �- -- - \ � � � � \_i� o__--- �` � � � � '� ii� <'��1� �;i� �; �� ` '� , ; / � _ - _- � � -� �\ \ � � � � \ � �,�- _ _ _ -,, . \\ � � / � 1 � ' � II �"i�� �1�� ' \,: � � _- - - - - \ /� � � � \ \ \ � ,- � 2SO_`_ �� �o �\ 1 - � �, , - , � i � � i - -z60- - \ ✓ � \ � � \ �--' � _ _ - � , ' / . \ � i '- ---24�� � �,! � : � �,, I , 1 � 1 2 � � \240 I � /��-----� � \ \ \� � � \ � � 1_ ���-- ♦ _ _ __ � \ /. ��1___� /� I � � � � � 1 ; I I '. i � i� _----�\✓ \ � �\ �� � \� � �50- �.�,� � � e t I-__2 . � � � � � _--- - -- � / � \ \ � � � � � � � \ �� ' - � i% f RPF � I 4 O - -i � , / / � � �� \� � \ .� . � _-- . F' �"' - = � � •- � � y � � A3 RIP RAP OUTLET � / // � � 2� � � � � STANDARD TEMPORARY A A5� � � - -255 _ 2S ��►'F""=-_:--__ -_-_-��' ,� � (/ �O C5101 PROTECTION DETAIL / \ � DIVERSION DITCH D�51 C5�,01 Q� �, � � STANDARD TEMPORARY �A2 A5 � � � _ � � � � � � � � \ s ' � � � \ \ \ � � _ _ __ _ . � _ DIVERSION DITCH B 5102 101 , . �� ;/ ,',' % � � � \ , . � ---------------r----=---.--�------=- -T------_�------------- � ----TEMPORARY CONSTRUCTION C5 'G / ' : 1 � � � -_ \ \ � � / � � . _ � � ' � __ __ - F ; i , � l ,, \ � � � � � / _ _ _ 0 \ � _ � � _ _ ENTRANCE C5101 G� 1 � �:' � / � � � � \ � \ \ � 25� � 26 S � , � � _ ; ,; , / ; , 0 1 ;': ' � � \ \ � � \ � �� �i . �_ � � __ _ ��-� o "� � \ � \ : � - ___ . _ . t. _ - _- � ---------- =------ - -�-- � ; /,: � / � � � � � � � � � � \._ � �� ;�''�'_ __ . �cr ,� �------%;--=--------�-`\--------==--=----- °==--_ ,�.Rid�RaP i ;' � � � � � „; � � � STANDARD TEMPORARY A5 ' �'" -� -- STANDARD TEMPORARY A5 2�5- __ --,_ , i � � � ;., • , � BLOCK AND GRAVEL B2 -- �J ' ` ' / ' � , ! / ' �' '- ,r : - _ - - --� � . - - � � \ / -� �� � 1 DIVERSION DITCH A�10 C 01 � '� i. - T DIVERSION DITCH C C5101 � T _ � INLET PROTECTION C5102 ,� !�- � � 1 � , � / ► � ` ` ` � � � � ; �' � _ �� �\ ,� �� 245--__ ----_ � 1' `� '' ' / � � -,� /� \ � � \ \ � \ \ �_ .. � _ � _ _ - J � 65 � , __ � � ; ♦ ' TEMPORARY � � - / /� / � � � \ TEMPORARY SILT A3 � � _ � � � , _ i� � . �,��1,�� \\ , _ __ _ _ _ -' � � � , -;(_ ` ' � ,`, 15 CPP �� �4�'-_ I � ,. - / _ 1-Z � � :: ., :: ___- _ _ . _ _ � � � , - ; ;' , ` ,, , ` , \ , : , / � � ^ ) � , � - � / � FENCE J HOOK (TYP C5102 _ . _ ' ' � � � - � � � __ 24 ; � � , ' � ' , ; , . ,,: , � �� / / � � � � _I I ; co , Q.,., , . � S �.,�, , oS /; ; - . ;: ;... _ � � i � � i 1 � � i ;i ' � ,�, Z� ' -� � 2so� _ � � / � _ ; �, � - � ,'�, � 1 / / � \ \ � _I i � , \ � _ _ , ,,,. , � - , , � �� � I � ; - _ _. .„ , , , � �` �, ,,. ,, ; / � � _ _ � ; - - � _ _ , � , � t.�, , , , ' 1 r--- � ), , , • , , ; , , / -- � / � � � - I , � � _,. \ __ , ,., ,.w ,� , 2 0, � / � , � . � � . , , , -� , � . � , cs �- � �- _- ,' / \ � , ' , , `, �. \ i,. � ` ,, ` ,. \ _. - � � ' ,. , ;' ,' ! �. , � \ \ � I I � � � t� � ' / \ .: c'� ` � _ . ._ ; n - , � � I ,, i cD ,, `., , � �' __ , � �, ,�' , I � �``�`', . _ �- � / � I �, � s � _ _ - --� � _ '�. � '. 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THE INTENT OF THE CONSTRUCTION SEQUENCE IS TO PROVIDE THE CONTRACTOR WITH A GENERAL GUIDE FOR CONSTRUCTION PURPOSES. THIS SEQUENCE IS NOT INTENDED TO OUTLINE ALL CONSTRUCTION ACTIVITIES ON THIS PROJECT. 2. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 3. AI.L EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY. 4. IF IT IS DETERMINED DURING CONSTRUCTION THAT SEDIMENT IS LEAVING THE SITE, DESPITE PROPER IMPLEMENTATION AND MAINTENANCE, THE CONTRACTOR IS OBLIGATED TO TAKE ADDITIONAL CORRECTIVE ACTION. CONTACT OWNER'S REPRESENTATIVE AND ENGINEER WITH ANY ADDITIONAL MEASURES NEEDED. 5. CONTRACTOR SHALL ESTABLISH GROUNDCOVER ON DISTURBED AREAS WITHIN FOURTEEN (14) CALENDAR DAYS AFTER COMPLETION OF ANY PHASE OF GRADING. REFER TO NOTE �5 UNDER THE EROSION CONTROL NOTES SECTION. 6. CONTRACTOR SHALL ARRANGE A PRE-CONSTRUCTION MEETING WITH THE OWNER'S REPRESENTATIVE, ENGINEER, AND NCDENR-LQS AT LEAST 48 HOURS BEFORE LAND-DISTURBING ACTIVITY IS TO BEGIN. 7. OBTAIN LETTER OF PLAN APPROVAL FOR SEDIMENTATION AND EROSION CONTROL FROM NCDENR-LQS. 8. CONTRACTOR TO POST GRADING PERMIT PROMINENTLY ON SITE AT ALL TIMES. 9. CONTRACTOR TO VERIFY LOCATION AND DEPTH OF EXISTING UTILITIES TO AVOID CONFLICT DURING INSTALLATION OF EROSION CONTROL MEASURES, STORM SEWER PIPES, UNDERGROUND UTILITY LINES AND BUILDING PADS AND FOOTERS. CONTRACTOR IS TO CALL 1-800-632-4949 FOR 'NC ONE CALL" TO HAVE EXISTING UTILITIES LOCATED. 10. CONTRACTOR TO HAVE A PROFESSIONAL LAND SURVEYOR FLAG PROPERTY LINES, EASEMENTS, STREAM BUFFERS, TREE PROTECTION AREAS AND LIMITS OF DISTURBANCE. 11. CONTRACTOR SHALL CI.EAR ONLY ENOUGH AREA TO INSTALL EROSION CONTROL MEASURES. 12. INSTALL TEMPORARY CONSTRUCTION ENTRANCES, SILT FENCE, SILT FENCE J-HOOKS, SILT FENCE OUTLETS AND CHECK DAMS AS SHOWN. 13. INSTALL TEMPORARY SKIMMER SEDIMENT BASIN, IN�ET AND OUTLET PROTECTION AS SHOWN ON PLAN AND PER THE DIMENSIONS AND ELEVATIONS OF THE PERMANENT BMP AND INSTALL SKIMMER. SEED, MULCH AND ANCHOR BASIN UPON COMPLETION. 14. INSTALL TEMPORARY DIVERSION DITCHES #A, #B, #C AND #D AND TIE DITCHES TO TEMPORARY SKIMMER SEDIMENT BASIN AS SHOWN ON PLANS. INSTALL CHECK DAMS IN DITCHES AS SHOWN ON PLANS. SEED, MULCH AND INSTA�L TEMPORARY LINERS AS SHOWN ON SHEET C5101. 15. AFTER EACH SIGNIFICANT RAINFALL EVENT, CONTRACTOR IS TO INSPECT EXISTING 30" RCP FOR SEDIMENT. CONTRACTOR TO FLUSH OUT RCP IF SEDIMENT HAS ENTERED THE PIPE. 16. CONTACT NCDENR-LQS UPON WSTAL�ATION AND STABIUZATION OF MEASURES. 17. THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTA110N CONTROL PLAN IS BEING FOLLOWED. RULES DETAILING THE DOCUMENTAl10N OF THESE INSPECTION TOOK EFFECT OCTOBER 1, 2010. THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR CONSTRUCTION ACTIVITIES. THE FOCUS OF THE SELF-INSPECTION REPORT IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL MEASURES ACCORDING TO THE APPROVED PLAN. THE INSPECTIONS MUST BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED IN ACCORDANCE WITH NCGS 113A-54.1 AND 15A NCAC 4B.0131. THE SELF-INSPECTION FORM IS AVAILABLE AS AN EXCEL SPREADSHEET FROM http: //www.dlr.enr.state.nc.us/pages/sedimentation_new.html. IF YOU HAVE QUES110NS OR CANNOT ACCESS THE FORM, PLEASE CONTACT THIS OFFICE AT (919) 791-4200. 18. ONCE PHASE 1 EROSION CONTROL IS COMPLETED 4'�AN'D STICBtL"tZ�D �AiftD"''aPPR't?VED`iBl'' " Z ' NCDENR D�Q REPRESENTATIVE AND THE ENGINEER, THE CONTRACTOR MAY MOVE INTO PHASE II OF THE EROSION CONTROL. REFER TO SHEETS C1203 AND C1204. EROSION CONTROL NOTES 1. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 2. AL� EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY 3. ADDITIONAL SEDIMENT AND EROSION CONTROL MEASURES MAY NEED TO BE INSTALLED IF DEEMED NECESSARY BY EITHER THE ENGINEER OR ENVIROMENTAL INSPECTOR. 4. NO CONCRETE OR CEMENT SLURRY SHALL BE DISCHARGED FROM THE SITE. ANY HARDENED CONCRETE RESIDUE WILL BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH LOCAL AND STATE SOLID WASTE REGULATIONS. 5. ALL SWALES, DITCHES, PERIMETER SLOPES AND ALL SIOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH• GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND-DISTURBING ACTIVITY. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACIICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND-DISTRUBING ACIIVITY. 6. TEMPORARY SEDIMENT CONTROL MEASURES (SILT FENCE, DIVERSION DITCHES, CONSTRUCTION ENTRANCE, ETC.) SHALL BE MAINTAINED UNTIL ALL CONTRIBUTING AREAS ARE GRADED AND STABILIZED. 7. DUST CONTROL ON SITE SHALL BE MINIMIZED BY SPRAYING WATER ON DRY AREAS OF THE SITE. THE USE OF OILS AND OTHER PETROLEUM BASED OR TOXIC LIQUIDS FOR DUST SUPPRESSION IS STRICTLY PROHIBITED. 8. IF THE MAJORITY OF MUD OR DIRT IS NOT REMOVED FROM CONSTRUCTION TRAFFIC BY CONSTRUCTION ENTRANCES, CONTRACTOR SHALL CONSTRUCT VEHICLE WASH AREAS AT CONSTRUCTION TRAFFIC EXIT POINTS. MUD AND DIRT SHALL BE INTERCEPTED AND TRAPPED BEFORE WASH WATER IS ALLOWED TO BE DISCHARGED OFFSITE. RINSE-OFF WII.L NOT BE ALLOWED OUTSIDE THE PROJECT CONSTRUCTION LIMITS. 9. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT REACHES 4-INCHES DEEP. 10. MAXIMUM GRADED SLOPE SHALL NOT EXCEED 3:1. 11. REFER TO SHEETS C5101, C5102 AND C5103 FOR EROSION CONTROL DETAILS. 12. TOTAL DISTURBED AREA = 9.52 ACRES. 13. CONTRACTOR SHALL SEEK PERMIT FOR ANY BORROW AND/OR SPOIL AREAS NOT SHOWN ON THESE PLANS. 14. CONTRACTOR SHALL MAINTAIN 4" OF GRAVEL ON DRIVE LEADING FROM SITE TO PERMANENT AREA OF COMPACTED FILL DURING CONSTRUCTION GRADING NOTES 1. INITIATE EROSION CONTROL SEQUENCE BEFORE BEGINNING C�EARING AND GRADING OPERAl10NS. 2. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT VEGETATION BEYOND GRADING LIMITS. 3. STRIP TOPSOIL TO FULL DEPTH IN AREAS TO BE GRADED. 4. COMPACT ALL FILL AREAS TO 95� OF MAXIMUM DENSITY, OR PER GEOTECNNICAL RECdMMENDATIONS 5. ALL AREAS ARE TO BE GRADED SO THAT NO AREAS OF STANDING WA•TER OCCUR. 6. OPERATOR SHAL� FIELD VERIFY EXISIING TOPOGRAPHY IN RELATION TO THE PROPOSED GRADES TO ENSURE DRAINAGE IN THE DIRECTI❑NS INDICATED ON THE PLAN. LEGEN D . � �r r� ♦� O O O SF/TPF- -SF/TPF- SF --- -�'6�5 ` ARC FILTER PIPE INLET PROTECTION BLOCK & GRAVEL INLET PROTECTION RIP RAP OUTLET PROTECTION TEMPORARY CONSTRUCTION ENTRANCE EX. SILT FENCE/TREE PROTECTION FENCE NEW SILT FENCE/TREE PROTECTION FENCE SILT FENCE OUTLET LIMITS OF DISTURBANCE EXISTING CONTOUR PROPOSED CONTOUR � TEMPORARY DIVERSION DITCH �,ws�= a�.- �� 1��.�� PERMANENT STORM DRAINAGE PIPE � EX. CHECK DAM � PROPOSED CHECK DAM � � Ji� �' . 1730 VARSITY DRIVE, SUITE 500 RALEIGH, NORTH CAROLINA 27606 TELE: (919) 233-8091 FAX: (919) 233-8031 F1222 � A1 EROSION CONTROL PLAN C�2�� 1" = 40' _ i -� :• 1 � , „ C 1201.dwg I, C 0 � � ���� t��� �� � � y � �� Y � ° o 0 0 � � °'• � a'• � _ ���° � � ���� � ��� .� c ec a � � a� ,r � c� Q a� n U � � � ca J � � c' a �` a a� c � • � � C o a o m Q �' N � � C M •� C V Y O H O a� ¢��� �'_' � o @ U � � Q o��z° ,'; �����uiiniiiii,,,,� .��'�\���� �E .CAR��!'y.y', ; Q�4��9 %" =; - - ''�\ SEAL " - 028419 = ;� lZ�S_tr p\� ',,� FNGINEE-`� . p�,� ,,9,1;�. � .L I ���� ,. '�����������������` SEAL NOT VALID UNLESS SIGNED AND DATED � � � . • � � � �� v . , :, . . . • ., • , i • � • r . . . . .. ' " �■ � .. � + _.•. � , . f,y V � • � � , r ,. � • Issuetl Date By Project No. ���� Checked BY GML Drawn By �� Drawin9 EROSION_CONTROL PLAN- PHASE_1 File Name C1201.CAT Sheet C1201 3 15 ❑, C � � A 5 4 50' STREAM BUFFER (TYP) 3 2 � ���\����� \� � \\\� � �� � �� \��\��`�\�\\�' � i'' � � � �� � � � � i � \ �-- � �� ,� � ,,- � � � \ \� � � \ �� �� � \ �� � � �� \\��\ \ \�11� � � � � � � � � ( � �- - �� - - � - =;� -- � I/ ��� \ \ � ��� 1� � �\\\� � � �� �// � � � 1�\��� �\ � \\�\� � � � \ � \ \ � � \ \\ � \ � � / Q \ � � \� \� 1 �1 ��� � �\ \\� � (�/�, � I I �; ����\� � ���� � �� ,� � ` � � \ � �� ��� �� _ .��� , �� �� ! � �' � I I' 1 � 1' I I 1 � I � \ � �\ \ \\ \ 'I `I1 I I � I I I � \ \ \\ \ \\ � ��\ \ � �\ � � \ \ � \ �� � � �EXISTING DEADMAN � � / � � I 1 I I I I � � � I �I % I � I � �����\ \ �\ \ � \� � � � \ � \� � � ` �\\� TEST PAD AREA � � �� � I � i � � �� � 1� \ \ �� � �I�� � � �� ��� �� � � \ � ,,� � � / / �,� ,� � ������� �� � � �� ���� ���� ��� � � � ������ ���� ��� � � � � � �A� � A� �� � \ \ \ �`� � � /� i ��� ��'� � � � � � � �� ��� �� \ � � � �� � � � A\��� � � � �\�A � ��A � �\ \ � \ \ � � A � \ � � \ � ���� - � y / ����/��i �� r � � � � \ � A �\ \ � 1 �I��� � � / � V� \ � \ \ \ V� \ �V�� � � � � v \ v � l � ' , '<�� ; ' / �' � �;' j , �I I I \1 �A \ 1 /�,��%'� � � � �� � v � � � � . � � � \A �, , � I� �� � I /,�// �, I�I� I � �\ �� 1 \ 11��� � � � )�\\ \\\�� � ���� �y � � � � � � J�� � I �, � � / II � � � � � , s � � �� �� � � � A �� � I � ��i � �� /�/ �� / ��� � �� � � � � � \ ����)��j � � � � � \���A\\� \������ � � ���\ � � A � � �A � � � � � � , I �, ���� / � /. I � �� � � � � ������� � � � � ����� �� �� V� ��� � \ �� � � � �� � � � � � ��� /� ������� � � � I � I 1/ / \ / J � -, \ � \ � \ � . -_ � , � � � � � � � ) ���� ��� � - � � � ( � ��� � � \ / � � � � \ �� � � � � � � �' � , � I � � � � I � < < ��� � / ) , � ��� � � �� � � � � � � � � �� � �' � � � � � � � �` _ � �� �' �; ,' i i � � I / I I I � � )I���� - � � � � � � ��� � J I 1 � � I � � � � \ \ � � � \ \ i �i` C- � /����i EXISTING COVERED � I � � � � �i � � I / � % � � � I I I � � � \ � � � � � � � TEST MACHIN i � I �� /// i / � '- � � �/ � � �� \ \ � ��V� � sTORac� aREa� \ � �/�)/�����-__��/ / / �/ / �,� � � � � � � � � � � � � � � � � � /' ��� �" � / / � � I � \ ���I�� � ,// � � ) A�/� / I � � � � /�� � ) � / � �� � �/ , l / � � � I � \ 1�/�1�--� � ��--� / � �\� I � � � � � � / / � / l �/ � � / � � � �,`��� � � � � 1 � � ���1�� %���� ----� �/�������1 � � ����1 ���� ��i �i � � , � / / � �//� i /� 1 � �� � � ��// � J// ,� / �� � � ,/ �r�� / �� � l ���1 � (/ �� � . �`I-' �i�i � �� / // � � ' - / / � J � � ,� � / // �_ _/ �1 / �J` I I / / / /, �_/ / / / � � C� � / i,-- �� I I( i ��� ��� / r- �� � j/ � / CC 01 CHECK DAM � / J / / �- � � I / / � � � � / � j � I \ ' �� � �' /i �-���// / / � J � `�� � ���/ ( / I / \ � J �\ I � �� �� �� �/__J� / /�, � �������, �( � / / � //� � � � ��\ � I I -' ✓ � � / � l / � i / / - -� / - J � /� / /� � / i J l I I I \ ( � � / / '/� / � I ' � �--_,_ \��� \ ,,� / � DOUBLE ROW - �- - � -- `-� / / / � / I \ \ / � �j / � ( � I _ / � OF SILT FENCE / � � � I � � � � � � I _ � � I � 1 , � �� � \ ��� \�- � \ �� I \ \ ` C \\ 1 � \ \ I \ I �� � I � I � � � � \ ( I �---��� � � / /���� � �- �� ,� � / � � � / ) i � � � ( �.� /� �� � � � � \� � � I � . � � � � l � / / / / // / / / / / / / / J � J � � l� �- � l � / � � I � \�-�. .,� / � � �/ � / � � / � / / / / / /, � / � � / � � / / � � � �/ � � I ��_ ��� - ��� / � ��� � � � / � / / / / / / �/ / � � 1 \ _, / � � � � � � I�i � � . � ���� �� � � / / � l / � / / � �/ / � / . ������ 1 \ �.//// � � OUTLET CONTROL 4 , � I / � � � � � � � / I I 1 / � I � � � STRUCTURE� C 103 ♦ ♦` �� � ( � � � / � � � / � � ` I I � � � � I /� � /�� I ll �/ � � � �� i �� � � / / / � / / / / / /� � / // /� �� �/ � � � / � / � , /I � I � � / / / / � / � � � � I � � 1 '� , I SKIMMER C502 \�--� _ � ,� N�/ � � � / � / / � � � � � / � / //� �� ��I� � � � / � i�� I ll�� �� �_ � � � I � � / / /��/// �� / � � II I /�� � I� ��� ���I��� ���� \ ` `--- �� .� -'\ � � � � / ; / �/ / / / /// // �� I�� � � � � � � � I�� �� ���I� \ � � _-�� � �� i I � � � � � / / �� / / / �/ / �/ �/ � �� (� I I � � I I � � l I I I � � TEMP RARY ISKIMMER 3 � � � � � � � I � I I � � � � � � /� � � ` � I I I� I I I I/' I I � SEDI i ENT� BASIN� C5 02 � �� � � I I J 1� � � ����� ��' / � \ I � � I \ I I ' I I / � , � ' 1 \ ( / / / ' I / / I � / 1 ' � J6 � � � � \ � � 1 � \ 1 � � � � � � I � � I I � I / \ � � i � � � � � � \ \ � � C I / / � � / . / � \ \ � � \ � \ I I 1 ` \ \ \ � 1 1 t I I I I I I I I I / LL / \ / / \ \ \ \ \ \ \ \ I ' / / / � I \\ \ \\ \ I% � 1 � \\ ��\ �I I � � � � I l � --�/� � y � � � � �\ � �\ � � I I � � � • ��� \� �\ I � � 1 I I � � I I I I � � � /� � A3 EMER�ENC � � � \ � I � I � ' I \ � \� ��a I � � � , � I 1 1 ` \ � I I I I I I I I I I � �/ � � C5102 SPILLWAY � 1 � �\ \ � � � � � t ( I I / � � \ � \ \ \ \, \ \ �� � � \ �� i I II � � 1 \\� 11 � � \�� � � � � � �\ \ \ � \1�1 ��������������� ��-�//,,► ; � ���� ��\ ����\II�I( � �� �� \ � \� i� ��'9 � � � � �\� 1 � � � � � �I ��I��II� ���__� /,,,LL � ,REERTOSHETS �,� �\ �� 1 �� � I I � -� � �\ ��� � \ � I I I � \ \ ' ' ' I I ' 1 � ' , I . ' _ � �i`n � \ C5102, C5103 & C5104 � -' � � � � � I I � � � I � � > �� 11 `� - / � / / , ,� ` . 220 , l � I I � I ^ \ � 1 TEM R O E C TS O N F E N C E T Y P C5 01 ��/� \ �\ �� I I 1 I I I I � I � \ �/ \� \� FOR DETAIL OF WET -� i \ � \ I I I I I ' � � - \ I ' ' � � ` � � ��� � - _' ��� � � I \ / DETENTION BASIN � � � � � I I I I I I I I I / \ � / G , � 1 � 1 � � � � � I � / � / \ � � \ 1 `��\��\�������\��f ����� ' 1�a� \ �///���__-� �\l� � �'�� � � \ � ���\� � ;'�� \ � � �11 I I / / � � \ 1 � \� �� \ \\ ��I�y l _ X � ��� ��i��_--,� �� � �I I �� I � �'� � � � / I � I � I I I 1 � / � � / \ \ \ � � � � � �� \ \ \ � � � � � �- -� � \ /i i � , � � - �, � 1 � \ \ � I „�, � �� z� � �� J I � ' � � l � � \. ` ` \ � � � � \ \ �\ �� ��� � \ J i � � � � 1 �/ 'DIIST RBANCE TYP � � � � \ �\ � )�\� \� \� � ' I I � � /���/� \ � _ , � / �j � � � � � � � STANDARD TEMPORARY 2� \ �� / I / / � � / � � � / - � � 1 I I � � � � �� � �/ / � � I l / � � D VERSION DITCH A 'C5102 51 � � �\ i � , /// / / / / Z \ e / / � �\ \� � , i,, �, � � � I l � l � � � � � � ` �` �� � � � �� � � '� - `��` ��- � �� ,�;� � � �� 11 � �I �� ,� ,, � , � � ( r / � � � / � � � � � \ � � � � ' � I � i / / �� � ; � �A � � �� ��� , � � _z�, / / � � � / � � � \ \ � \ � � \ \ � � �- �; �,� / / / BAFFLES \ ;�, ; \ � � � �,� � ; / � � I � � � / / � � f � � � \ \ �,����� \� \ �\��� \\\ �� ( � o> - �� Ti �/// / �5 02 (TYP) 22a,'�� ;� � � �' �i� ,' , `� � �� . �� � � � � I � � � � I I � � � � � �� LIMITS OF � � I / � �'�� � ��/ / STANDARD� TEMPORARY �� G� , � _ ° , iII ����I �� ��� , A� �l � , A �� � %' � _ / ( � � I � / � DISTURBANCE (TYP.) I � / � �'`� I � � 1 / 51 2 C 102 DIVERSION DITCH B � CD � �� � i � `� ' � � �� ) � \ � � � � � � / � \ � \ \ \ � � � � ��, � I � / � , �:�, �,/� / - S ����� � �' �'J - - - � 1 \ V � I 1 � - � � � � A \ � A I � 1 � � i �� 1 \ \ 1 � � � i� i � � � � �% � �� ���� � �: ����'',' ��; �' � �,� � �, � � � ' � - `� � I � � / I \ \ I � I 1 I � � � � � � ✓� �e-- , / � � � \ � ;� i � �° °�� si�T FENCE B, `� `� ,� � ,� �,�� I � � -� �\ � �� � ,` _ � �,� � - - � % � � � � � � � � � � � 1 �� J�_ ��� � � � � � � � �\�LL T � � / �, s , �� I / �/ / � � J --' - -- � � / � � � I � � I I I � � J � I I � I ) � � �5 � � � I ` �\ � N �i��� / l� /�. OUTLET (TYP) C5101 � �� Il��l l� _ ----/-�--- � � \ � �/ i/ � � � � � I I i I � . � ��. � � I 1 � � l , ; __ , , � �., � � �� � � , `--I // / � J � I � \ 1 I � I I I / � � I ( � / �a ` � ` �\ � � � I � � \J �\,�\\ l �,� I �-8' i / � � l l / ^ ( ' � � I I � ' I � / � / � � � / ` I I I � � �` �' _ � \ j / � l: i�; �� �V �i 1 � l \ \ � � ` __- �2 � � _ � � / � � � � � � ` \ � � ' � � � � I � I �( -" / ��j � � � 1 � I � � � � � � � � -� � /�� �� � � � `pl ,i-��� �\ \ �\ �\�� - i/ �`'� � , i �i h / / � , s�' � � � `/ i �i ' i I /'I \ � \ \\ MATCHLINE SEE SHEET C1201 / \ \ �I �� '��_ � / �� � � z�-5- - /�/i� � \ ---' -_ � � - \ \ ^\ _ _ _ � \ � � - - \ � - --� 2 � \ _, � � � � \ � � � � \ \ �) /�/ � i � / � /� f � / `L2�y = - � j . � i � � - , � `��"� � --. , 5 4 3 2 �:- • ..' � .� � �`•'.•�. • • o` ... ,,.�. ♦ G • �\ `� • • �� ` � � � � • • -:•:•:•:`�. `..•.•.•.\ ' ,. . . . �.. ��;�:���• .�.�.�.� ►� •••••• .•.•.• . . 1 CONSTRUCTION SEQUENCE - PHASE I 1. THE INTENT OF THE CONSTRUCTION SEQUENCE IS TO PROVIDE THE CONIRACTOR WITH A GENERAL GUIDE FOR CONSTRUCTION PURPOSES. THIS SEQUENCE IS NOT INTENDED TO OUTLINE ALL CONSTRUCTION ACTIVITIES ON THIS PROJECT. 2. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CARO�INA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 3. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY. 4. IF IT IS DETERMINED DURING CONSTRUCTION THAT SEDIMENT IS LEAVING THE SITE, DESPITE PROPER IMPLEMENTATION AND MAINTENANCE, THE CONTRACTOR IS OBLIGATED TO TAKE ADDITIONAL CORRECTIVE ACTION. CONTACT OWNER'S REPRESENTATIVE AND ENGINEER WITH ANY ADDITIONAL MEASURES NEEDED. 5. CONTRACTOR SHALL ESTABLISH GROUNDCOVER ON DISTURBED AREAS WITHIN FOURTEEN (14) CALENDAR DAYS AFTER COMPLE110N OF ANY PHASE OF GRADING. REFER TO NOTE #5 UNDER THE EROSION CONTROL NOTES SECTION. 6. CONTRACTOR SHALL ARRANGE A PRE-CONSTRUCTION MEETING WITH THE OWNER'S REPRESENTATIVE, ENGINEER, AND NCDENR-LQS AT LEAST 48 HOURS BEFORE LAND-DISTURBING ACTIVITY IS TO BEGIN. 7. OBTAIN LETTER OF PLAN APPROVAL FOR SEDIMENTATION AND EROSION CONTROL FROM NCDENR-LQS. 8. CONTRACTOR TO POST GRADING PERMIT PROMINENTLY ON SITE AT ALL TIMES. ', 9. CONTRACTOR TO VERIFY LOCATION AND DEPTH OF EXISTING UTILITIES TO AVOID CONFLICT '� DURING INSTALLATION OF EROSION CONTROL MEASURES, STORM SEWER PIPES, UNDERGROUND ! UTILITY LINES AND BUILDING PADS AND FOOTERS. CONTRACTOR IS TO CALL 1-800-632-4949 FOR 'NC ONE CALL" TO HAVE EXISTING UTILITIES LOCATED. 10. CONTRACTOR TO HAVE A PROFESSIONAL LAND SURVEYOR FLAG PROPERTY LINES, EASEMENTS, STREAM BUFFERS, TREE PROTECTION AREAS AND LIMITS OF DISTURBANCE. 11. CONTRACTOR SHALL CLEAR ONLY ENOUGH AREA TO INSTALL EROSION CONTROL MEASURES. 12. INSTALL TEMPORARY CONSTRUCTION ENTRANCES, SILT FENCE, SILT FENCE J-HOOKS, SILT FENCE OUTLETS AND CHECK DAMS AS SHOWN. 13. INSTALL TEMPORARY SKIMMER SEDIMENT BASIN, INLET AND OUTLET PROTECTION AS SHOWN ON PLAN AND PER THE DIMENSIONS AND ELEVATIONS OF THE PERMANENT BMP AND INSTALL SKIMMER. SEED, MULCH AND ANCHOR BASIN UPON COMPLETION. 14. INSTALL TEMPORARY DIVERSION DITCHES #A, #B, #C AND #D AND TIE DITCHES TO TEMPORARY SKIMMER SEDIMENT BASIN AS SHOWN ON PLANS. INSTALL CHECK DAMS IN DITCHES AS SHOWN ON PLANS. SEED, MULCH AND INSTALL TEMPORARY LINERS AS SHOWN ON SHEET C5101. 15. AFTER EACH SIGNIFICANT RAINFALL EVENT, CONTRACTOR IS TO INSPECT EXISTING 30" RCP FOR SEDIMENT. CONTRACTOR TO FLUSH OUT RCP IF SEDIMENT HAS ENTERED THE PIPE. 16. CONTACT NCDENR-LQS UPON INSTALLATION AND STABILIZATION OF MEASURES. 17. THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR �AND-DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS BEING FOLLOWED. RULES DETAILING THE DOCUMENTATION OF THESE INSPECTION TOOK EFFECT OCTOBER 1, 2010. THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR CONSTRUCTION ACTIVITIES. THE FOCUS OF THE SELF-INSPECTION REPORT IS THE INSTA�LATION AND MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL MEASURES ACCORDING TO THE APPROVED PLAN. THE INSPECTIONS MUST BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTAB�ISHED IN ACCORDANCE WITH NCGS 113A-54.1 AND 15A NCAC 46.0131. THE SE�F-INSPECTION FORM IS AVAILABLE AS AN EXCEL SPREADSHEET FROM http: //www.dir.enr.state.nc.us/pages/sedimentation_new.htm�. IF YOU HAVE QUESTIONS OR CANNOT ACCESS THE FORM, PLEASE CONTACT THIS OFFICE AT (919) 791- 4200. 18. ONCE PHASE 1 EROSION CONTROL IS COMPLETED AND" STAB(CfZED" AND APPROVEI�" BY NCDENR-DLQ REPRESENTATIVE AND THE ENGINEER, THE CONTRACTOR MAY MOVE INTO'PHASE• II OF THE EROSION CONTROL. REFER TO SHEETS C1203 AND C1204. EROSION CONTROL NOTES 1. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 2. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY 3. ADDITIONAL SEDIMENT AND EROSION CONTROL MEASURES MAY NEED TO BE INSTALLED IF DEEMED NECESSARY BY EITHER THE ENGINEER OR ENVIROMENTAL INSPECTOR. 4. NO CONCRETE OR CEMENT S�URRY SHALL BE DISCHARGED FROM THE SITE. ANY HARDENED CONCRETE RESIDUE WILL BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH �OCAL AND STATE SOLID WASTE REGULATIONS. 5. ALL SWALES, DITCHES, PERIMETER SLOPES AND ALL SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABI�IZATION IMTH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND-DISTURBING ACTIVITY. A�L OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND-DISTRUBING ACTIVITY. 6. TEMPORARY SEDIMENT CONTROL MEASURES (SILT FENCE, DIVERSION DITCHES, CONSTRUCTION EN?RANCE, ETC.) SHALL BE MAINTAINED UNTIL ALL CONTRIBUTING AREAS ARE GRADED AND STABILIZED. �'I 7. DUST CONTROL ON SITE SHALL BE MINIMIZED BY SPRAYING WATER ON DRY AREAS OF THE SITE. I THE USE OF OILS AND OTHER PETROLEUM BASED OR TOXIC LIQUIDS FOR DUST SUPPRESSION IS STRICTLY PROHIBITED. 8. IF THE MAJORITY OF MUD OR DIRT IS NOT REMOVED FROM CONSTRUCTION TRAFFIC BY CONSTRUCTION ENTRANCES, CONTRACTOR SHA�L CONSTRUCT VEHICLE WASH AREAS AT CONSTRUC110N TRAFFIC EXIT POINTS. MUD AND DIRT SHALL BE INTERCEPTED AND TRAPPED BEFORE WASH WATER IS ALLOWED TO BE DISCHARGED OFFSITE. RINSE-OFF WILL NOT BE ALLOWED OUTSIDE THE PROJECT CONSTRUCTION LIMITS. 9. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT REACHES 4-INCHES DEEP. 10. MAXIMUM GRADED SLOPE SHALL NOT EXCEED 3:1. 11. REFER TO SHEETS C5101, C5102 AND C5103 FOR EROSION CONTROL DETAILS. 12. TOTAL DISTURBED AREA = 9.52 ACRES. 13. CONTRACTOR SHALL SEEK PERMIT FOR ANY BORROW AND/OR SPOIL AREAS NOT SHOWN ON THESE PLANS. 1 4. C O N T R A C T O R S H A L L M A I N T A I N 4" O F G R A V E L O N D R I V E L E A D i N G F R O M S I T E T O P E R M A N E N T A R E A OF COMPACTED FILL DURING CONSTRUCTION GRADING NOTES 1. INITIATE EROSION CONTROL SEQUENCE BEFORE BEGINNING CLEARING AND GRADING OPERATIONS. 2. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT VEGETATION BEYON D G R A D I N G L I M I T S. 3. STRIP TOPSOIL TO FULL DEPTH IN AREAS TO BE GRADED. 4. COMPACT ALL FILL AREAS TO 95% OF MAXIMUM DENSITY, OR PER GEOTECHNICAL RECOMMENDATIONS., S.ALL AREAS ARE TO BE GRADED SO THAT NO AREAS OF STANDING WATER OCCUR. 6. OPERATOR SHALL FIELD VERIFY EXISTING TOPOGRAPHY IN RELATION TO THE PROPOSED GRADES TO ENSURE DRAINAGE IN THE DIRECTIONS INDICATED ❑N THE PLAN. ♦ � Jv LEGEND ♦ � ARC FILTER PIPE INLET PROTECTION `r r♦ e� BLOCK & GRAVEL INLET PROTECTION RIP RAP OUTLET PROTECTION O O O TEMPORARY CONSTRUCTION ENTRANCE S�/TP� EX. SILT FENCE/TREE PROTECTION FENCE -SF/TPF- NEW SILT FENCE/TREE PROTECTION FENCE SF SILT FENCE OUTLET � � � LIMITS OF DISTURBANCE -_--`675 � �XicTinir_ rnniTni iR PROPOSED CONTOUR TEMPORARY DIVERSION DITCH � ,� PERMANENT STORM DRAINAGE PIPE Q EX. CHECK DAM � PROPOSED CHECK DAM C 1730 VARSITY DRIVE, SUITE 500 RALEIGH, NORTH CAROLINA 27606 TELE: (919) 233-8091 FAX: (919) 233-8031 F1222 ' A� � EROSION CONTROL PLAN - PHASE 1 C 120� 1 " = 40' � 0 40' 80' 1 � , „ C1201.dwg D C ■ ' � � � rn � o -� s �� � � � m � � °� Y L •� p O O N � °'�°' o � ; ���� � a; 05 rn � � rn rn .� c cv N � � U � � U L Q� � � � -a � cv J B C Q �L- � � � Y . � � �o a�°. o aw�i ¢ �' N � � C �v~j '� C V ;C O F- O � Q � V fB � � a U � � Q O a � z , \\��uiiiiiiiiiiiiii� � ,��`��p��N �ARO�� %, `\ � Q �E /o� 9 // = EAL - - 028419 = _ �� �`� _ /'��� t FNGYNEE`� �0���\ q�'T MI f � � �\��,� in SEAL NOT VALID UNLESS SIGNED AND DATED � � _ � � J � � _. � ^� � � � � � � � � Q .�:.. � � � y.. � � � � � � � W �� F� � � � � - t+ � � � � Issuetl Date By DD 09/30/11 GML DWQ SUBMITTAL � a/27/11 GML DWQ RE-SUBMITTAL 12/20/11 GML Project No. ��� Checked BY GML Drawn By �� o�oW�n9 EROSION_CONTROL PLAN- PHASE_1 File Name C 1201.CAT Sheet C 12 02 4 15 I�J C � A 5 - - - � � � � / � � \ � \ � � � � � / � ' �-3� �J /�J �� �-- � I �-- � � - � � � PERMANENT RIP-� ---� �� �----' � � LINED SWALE \\s��,\����, � ' � /� / � / / / � \ \ \ `�.�/ \ \ \ \ \ \ � /�i� ���- _�� J � // � � �\ \ �'1\ ` - �' _----__�--� / i� \\\ �\ � \ ��` 1\ i � � �- _,- __� �/ �� � \� \ \ \�� \�1 - � - -�-40- - � = �� �_- �__= �i_�/-� � � �� \� \ \ \�� � � � - � � �\ 1 I 1 �� � \ �; � � - , ��- � ---,\��i�_� I � � � � � � � � � � �- - -� � � I I � � -� ____i � � �i �� ��� ��i���5,�_ ��_ �� � � � � � � � i i \ \ � � ( � � / / � �NSTALLATION OF ROLLED EROSION D3 � � � � � � _ � � � � CONTROL PRODUCTS (TYP) C51 1 � � � �� � _---- _- ��� �� �� �-� � -��� � �� � � �� � � i� _ _ _ � � � \ \ � 1 -)i � � � � i � � � - _ --_ � � � = � � % � � -' - / \ RIP RAP OUTLET -` � � PROTECTION (TYP) � � � � � / � � � - _-__ - � , � _ �-_�� �� �� � � � � � � � � � � � � � � �� ��- ___ � � � \ FES-2 ��� - ' - - - `� � \ I N V = 238.30� _ �`� j� --__ \ \��� � � � � � ��`� � � _ _ _ i � � - � �- � � � �� �� �� ��_ ' -- -- �� � � � �� �� � �� - - � � - �� � � � \ � \ � 4.0' DIAMTER � � � � - -- _ _ _ �\ // \ � � \ \ PRECA\ MANHO \ � � � � � � - � � � -- - _- � �- -� � \ � \ \ � \ � � 1 � �' % ----- \/�. � � �� \ � \ �_ .. � ', j �---��o--\ .�^ \ � �� ��\\ \�\\\�\ _ i " � / / / i - - --� � � \ � \ ` �DMH�12 r�,� / �, % � � � j � � � \ \ � A � f�FM = T4�3. 6`Q \ - � � \ / / / � _ - - --, \ ' � � � �, � � � I V �PJ 239 25 �\ /� � � � � �/ = 2�� �\\\ \ � -�•� � �. � / � � � � -� \ - - \ � \ � � � \ If��V �UT�239.a5 � Q � � /�� J� �---- ���\�� ��\\\; � i � \ � \ � � � � -r /� / I TEMPORARY STABILIZATION FOR A�R \ �� � C�SLOPES GREATER THAN 10 FEET (TYP) 101 � i � / �-� � � � ` \\ \ � � � / �--� ) � '` \ \ �\ � � � �� � � � � � � A � � � � � " � �- � � / / ,/ // / � � � \ \ � � \ � \ �2 . -ji i��//l � \ \ \� \ \ � `._ � . ; 4 i j % / � I � � \ , � CI-6 � 1 � � � RIM=250.50 `• � , / � INV IN=247.60 I � � / , � \ \ .INV OUT=247.50 - � .� . 2F / � P / / / / - - � \ � �\ � 1 �` �5�� � � � � \ \ � \ � \ �� , / � / \ � � � � � �' / � / / � �\ I � CURB INLET 65 , �� � / / � � \ \ C5102 � � � \ _� ' / / / / � � � � � � \ ` / � PERMANENT RIP-RAP A2 / � � � � � � � LINED SWALE #2 C5102 � � - - � � \ � 1 � ��� � / / � / - - \ \ � � � �� �' �� \ ��� � 1 �� / /� �-- -� � � � � ( � / / � � -��� \ \ � i I STANDARD PERMANENT 65 � / / � � \ � 1 � V-SHAPED SWALE #4 C5101 - � \ \ ` / / : � / / � � \ \� CHECK DAM C3 \�� �� � / A \ .� � C5101 � � /� ��� / - - �- __ � �/ � � � � � � � " ' �,�' _ � ,' � 1 i ,�� `/. i � � /� �� � � � / � � � ) // �' \��! , r'` �, 4 MATCHLINE SEE SHEET C1204 3 -� -- - - - -� - _ ,� � - - ) > . � � - -�--_ --_._ __ __ �,SA � 1 �` � : ,_ � ( � 1 / , , �. � ' 1 �� � , ' , _ . � _ --_ M � U c�, �'' `" �., 1 ---_-'-- 1Q gL� -� v� �U�'qR OFF�C I I J � � � �_ � � � •;- _ � , ' � ► � -�� �K wALL-� --�_ w E g�ILDIN� o � _ � � � � � � . �s.s s S � � � � � � I I I I I I� � . 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I � � / / � I / / / l l � � , / , / i / � / / � � � � � � , � � �� /�/ � ��� � �� 5 4 3 2 �l�/ \\� i' � � �O DI-8 RIM=228.50 INV OUT=225.50 � � 1 � � � �-';' EXISTING DROP INLET '� TOP=227.75 ' � INV IN(SE)=222.00 ,� NEW INV IN(N)=222.10 � NEW INV IN(W)=222.10 2�,INV OUT(NE)=222.00 � ' -' 1 1 �: ` _ � _, t � _, �� ,_ ' � 1 �r / / � � � �� \ �_� i / / /. , / � � � "- -- �" � C51 2 CONTRACTOR TO CONVERT � � 1 P �� , '� � EXISTING DROP INLET TO _\ � . S`� ��� � �4 �f �THRQAT�D If�L\ � �� . �� �� �� � � _` �� �' ��� � �����/���\�\A� � � O � � ,i � I / -� � � �%�- ��\\\\\� \ `� � / � /���� , / �� . �\ ��� � � I A2 TEMPORARY S�ABILIZATION FOR �����- f� -� ' ��", , '� 5101 SLOPES GREATER THAN 10 FEET (TYP) \\��� � \ � i �� � � � � � �� � � '� � � � � ,���///�%���/� ����\ ; � ; � N 03 INSTALLATION OF ROLLED EROSION ���\� \ � C5101 CONTROL PRODUCTS (TYP) � � ' i i ' , i /l//l' i� ' \ � o � �� �1 � � � I � I ;� � �v � � �,� ����� �� � � � � �� a '� 1 � � I � I ` � � ��� � I ' � � � ����� �� � � � // /�� ���� � � � � , ' ' i , � ' ' � � � //� ��� �� / /� � -- - � � � � � / ////� �� / � �/ � � � � � 1 I I I � _ Gl/��/� // �/ ,�/ � j/i �� / � � �� � � � � i ' i � i i� o' j��j/ /%/ � % // /i iZ�i � � �� �i � ,' � � ���`�,°` � ) �/j////� %/.�j jj j � �. � N � ,� , `%', � / � j ��// j /� � ij � -- - \ � , / �/ ` cti i � � (//��/�� /� �/ �/ � 1' � l �� \ l//�//�/ �� // j j� `s� I ' � � /� �� �� -� � �� �/ � j/ � j/ � � � �� ,� , i � � / ///� j/ j � J', � \ \ � �� i i � � �%/ ��/ �/ � � �� � / � � , � � � ��j // /// / // ,-- ��\� �2\ \ i ' , � � , � � � / j//� j / ����-, \�� ���� \ � �. �/�� /�i��� �� � ������� � � � � � ��� ���� � �� �� �� , , l ) �O/ ` -` �� � j//�� j j/ j/ II�;��\��\\�\ --fi I '��,�1' � � � � j %/ // � i�� ,' � � � � � � ������-,� _ _ � � ��� ���� � � � � j/ j/ ��// 'i/ --- � � � ���� � �� ��-- _ _ = � �- --- �� � � J �//��� �/��/�j��i��_-����r� -� � -� ��-_ - � � - /D � / / �- �- // , � % � � 1 I I ('� � - - _-- _ % � � ' � / i �/ j j / -� i �� /�� \� / / � - -- __ � ' i��--�� � ��%;%�/\,� � ���)�\�(' =-= _ / �i � i � � //��//�� � � ,/ ��� i �� � � / � �/�� �� � � � `�/�i -- �i/j � �-_-- =�i�//�� ����� /��j � �/ ���� �l � i �- --- � / / �/ � - _ //// � -- =- / -'' � // / ji-�'�\ / � _ � - � i � '�� � / � _ - - - � � // ///i'/// -�\\�� ��/� .�----� � --- ��� �� %/�j�/��\���������//�����-�2������/j �---- ( ���j/�//%/{ />>(vJJ ����������� j ,---� � i�ii� �_^ � /� � J ����� ��% j ��� �� ��J� �y����\ � ��\ � � i / / / /�iii-=-= � � ��� � � / //�! � \--� 0- � /�- - � �� \�\ ✓, - //, � � ) �f � -� �- -�3 � // //ij/�= �� �V���� � ���ii��/ % �' � �`��-' �'�/ /�/ � _� \ � // -i ��/ / / / / i V � / �- / /� �\ �� � � � /; �� i � � � � \ � � �j // // / \ � �i. / / i� ��` / ` � // -' � � , � � � � � // �_ =�'�� ==� � �%%�' � / i � j����/r � � \�\ �� \� I ( �� ��. �- __ �� _�-,,�,��� � �"-��-- --%i - , � � �, \ \�� \ \ � � -'�� � ��� =-', ����- ���--�� �i/�� � _ J �\��\ ��\ \ ( ��1� =� _ - ; _ - 2 ��� � �/ � _ --��� � � , � , - �- \���� �����\ �� _ _ � _ =, = � _ = ������--� - _ _ - � � � ��\\ \���,-� ��_ -� ����=_ - _ �� \ ��� ����� �- i ,i % -� - ��� � �� -_ ; � - _ \ , , � '� I � :\�� \�\�\ �/, �' �� �i'1� � � �� --_ -� �� � � � � � � , � � � 2 1 CONSTRUCTION SEQUENCE - PHASE II -_.__ I1. THE INTENT OF THE CONSTRUCTION SEQUENCE IS TO PROVIDE THE CONTRACTOR WITH A GENERAL GUIDE FOR CONSTRUCTION PURPOSES. THIS SEQUENCE IS NOT INTENDED TO OUTLINE ALL CONSTRUCTION ACTIViTIES ON THIS PROJECT. 2. ALL EROSION CONIROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 3. ALL EROSION CONTRO� MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY. 4. IF IT IS DETERMINED DURING CONSTRUCTION THAT SEDIMENT IS LEAVING THE SITE, DESPITE PROPER IMPLEMENTATION AND MAINTENANCE, THE CONTRACTOR IS OB�IGATED TO TAKE ADDI110NAL CORRECTIVE ACTION. CONTACT OWNER'S REPRESENTATIVE AND ENGINEER WITH ANY ADDITIONAL MEASURES NEEDED. 5. CONTRACTOR SHALL ESTABLISH GROUNDCOVER ON DISTURBED AREAS WITHIN FOURTEEN (14) CALENDAR DAYS AFTER COMPLETION OF ANY PHASE OF GRADING. REFER TO NOTE #5 UNDER THE EROSION CONTRO� NOTES SECTION. 6. CONTRACTOR SHALL CLEAR ONLY ENOUGH AREA TO INSTALL EROSION CONTROL MEASURES. 7. AFTER EACH SIGNIFICANT RAINFALL EVENT, CONTRACTOR IS TO INSPECT EXISTING 30" RCP F�R SEDIMENT. CONTRACTOR TO FLUSH OUT RCP IF SEDIMENT HAS ENTERED THE PIPE. 8. INSTALL STANDARD PERMANENT V-SHAPED SWALES #1-#7 AS SHOWN ON PLANS. 9. CONTRACTOR TO REWORK EXISIING CHECK DAMS TO ASSURE THEY ARE WORKING PROPERLY. 10. CONIRACTOR SHALL BEGIN TO BRING SITE TO GRADE. 11. CONTRACTOR TO CONVERT TEMPORARY DIVERSION DITCHES #A AND #B TO PERMANENT V-SHAPED SWALES #1, #2 AND #7 AS SHOWN ON PLANS. CONTRACTOR SHALL INSTALL PERMANENT LINERS AS SHOWN ON DETAIL SHEET C5101. 12. CONTRACTOR TO INSTALL ROLLED EROSION CONTROL PRODUCTS (RECP) ON ALL SLOPES AS SHOWN ON PLANS. 13. INSTALL STORM SEWER PIPES WITH EROSION CONTROL MEASURES AS SHOWN ON PLANS. 14. INSTALL INLET PROTECTION AT DROP INLETS AS THEY ARE BROUGHT TO GRADE. 15. CONTRACTOR TO INSTALL ONE PIPE LENGTH INTO DROP INLET NUMBER 10 FROM THE SOUTH FOR FUTURE TIE-IN DI-4 FROM THE PARKING AREA. REFER TO SHEET C1205. 16. CONTRACTOR TO TIE UNDERDRAINS INTO STORM SYSTEM AS SHOWN ON PLANS. REFER TO GRADING PLANS FOR EXACT LOCATIONS OF UNDERDRAIN SYSTEM. 17. CONTRACTOR TO INSTALL SILT FENCE ON BOTH SIDES OF PERMANENT V-SHAPED SWALE #5. SILT FENCE IS TO REMAIN IN PLACE UNTIL THE SLOPE ON THE BUILDING SIDE IS STABILIZED WITH ROLLED EROSION CONTROL PRODUCTS (RECP). 18. CONTACT NCDENR-LQS UPON INSTALLATION AND STABILIZATION OF MEASURES. 19. THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTUR8ING ACTIUITIES INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS BEING FOLLOWED. RULES DETAI�ING THE DOCUMENTATION OF THESE INSPECTION TOOK EFFECT OCTOBER 1, 2010. THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR CONSTRUCTION ACTIVIIIES. THE FOCUS OF THE SELF-INSPECTION REPORT IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL MEASURES ACCORDING TO THE APPROVED PLAN. THE INSPECTIONS MUST BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED IN ACCORDANCE WITH NCGS 113A-54.1 AND 15A NCAC 4B.0131. THE SELF-INSPECTION FORM IS AVAILABLE AS AN EXCEL SPREADSHEET FROM http: //www.dlr.enr.state.nc.us/pages/sedimentation_new.html. IF YOU HAVE QUESTIONS OR CANNOT ACCESS THE FORM, PLEASE CONTACT THIS OFFICE AT (919) 791-4200. 20. ONCE PHASE 2 EROSION CONTROL IS COMPLETED AND STABILIZED AND APPROVED BY NCDENR-DLQ REPRESENTATIVE AND THE ENGINEER, THE CONTRACTOR MAY MOVE INTO PHASE 3 OF THE EROSION CONTROL. REFER TO SHEETS C1205 AND C1206. EROSION CONTROL NOTES 1. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 2. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEK�Y AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY 3. ADDITIONAL SEDIMENT AND EROSION CONTROL MEASURES MAY NEED TO BE INSTALLED IF DEEMED NECESSARY BY EITHER THE ENGINEER OR ENVIROMENTAL INSPECTOR. 4. NO CONCRETE OR CEMENT SLURRY SHALL BE DISCHARGED FROM THE SITE. ANY HARDENED CONCRETE RESIDUE WILL BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH LOCAL AND STATE SOLID WASTE REGULATIONS. 5. ALL SWALES, DITCHES, PERIMETER SLOPES AND ALL SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1) SHA�L BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUTIN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND-DISTURBING ACTIVITY. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZAl10N WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND-DISTRUBING ACTIVITY. 6. TEMPORARY SEDIMENT CONTROL MEASURES (SILT FENCE, DIVERSION DITCHES, CONSTRUCTION ENTRANCE, ETC.) SHALL BE MAINTAINED UNTIL ALL CONTRIBUTING AREAS ARE GRADED AND STABILIZED. 7. DUST CONTROL ON SITE SHALL BE MINIMIZED BY SPRAYING WATER ON DRY AREAS OF THE SITE. THE USE OF OILS AND OTHER PETROLEUM BASED OR TOXIC LIQUIDS FOR DUST SUPPRESSION IS STRICTLY PROHIBITED. 8. IF THE MAJORITY OF MUD OR DIRT IS NOT REMOVED FROM CONSTRUCTION TRAFFIC BY CONSTRUCTION ENTRANCES, CONTRACTOR SHALL CONSTRUCT VEHICLE WASH AREAS AT CONSTRUCTION TRAFFIC EXIT POINTS. MUD AND DIRT SHALL BE INTERCEPTED AND TRAPPED BEFORE WASH WATER IS ALLOWED TO BE DISCHARGED OFFSITE. RINSE-OFF WILL NOT BE ALLOWED OUTSIDE THE PROJECT CONSTRUCTION LIMITS. 9. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT REACHES 4-INCHES DEEP. 10. MAXIMUM GRADED SLOPE SHALL NOT EXCEED 3:1. 11. REFER TO SHEETS C5101, C5102 AND C5103 FOR EROSION CONTRO� DETAILS. 12. TOTAL DISTURBED AREA = 9.44 ACRES. 13. CONTRACTOR SHALL SEEK PERMIT FOR ANY BORROW AND/OR SPOIL AREAS NOT SHOWN ON THESE PLANS. 14. CONTRACTOR SHALL MAINTAIN 4" OF GRAVEL ON DRIVE LEADING FROM SITE TO PERMANENT AREA OF COMPACTED FILL DURING CONSTRUC110N GRADING NOTES - 1. INITIATE EROSION CONTROL SEQUENCE BEFORE BEGINNING CLEARING AND GRADING OPERATIONS. 2. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT VEGETATION BEYOND GRADING LIMITS. 3. STRIP TOPS01� TO FULL DEPTH IN AREAS TO BE GRADED. 4. COMPACT ALL FILL AREAS TO 95% OF MAXIMUM DENSITY, OR PER GEOTECHNICAL RECOMMENDATIONS 5. ALL AREAS ARE TO BE GRADED SO THAT NO AREAS OF STANDING WATER OCCUR. 6. OPERATOR SHALL FIELD VERIFY EXISTING TOPOGRAPHY IN RELATION TO THE PROPOSED GRADES TO ENSURE DRAINAGE IN THE DIRECTIONS INDICATED ON THE PLAN, � � J1� LEGEND . r �r r� s„i SF/TPF -SF/TPF- � � � -_-6�5 � � . � � � v ARC FILTER PIPE INLET PROTECTION BLOCK & GRAVEL INLET PROTECTION RIP RAP OUTLET PROTECTION EX. SILT FENCE/TREE PROTECTION FENCE NEW SILT FENCE/TREE PROTECTION FENCE SILT FENCE OUTLET LIMITS OF DISTURBANCE EXISTING CONTOUR PROPOSED CONTOUR TEMPORARY DIVERSION DITCH PERMANENT STORM DRAINAGE PIPE TEMPORARY SLOPE DRAIN PIPE STORM MANHOLE EX. CHECK DAM WATTLE i ' . 1730 VARSITY DRIVE, SUITE 500 RALEIGH, NORTH CAROLINA 27606 TE�E: (919) 233-8091 FAX: (919) 233-8031 F1222 � A1 EROSION CONTROL PLAN - PHASE 2 C 1203 i " = 40' 0 40' 80' 1 �i '� C1203.dwg J C � � c � � x � rn m '� � N V- U � � � � � °� Y L p N tfl f6 .� � p � � � � � ' o � � �r�O� � � a; ai ai � � Q, orn arn .� c co a � .�. c� a� � � U L a� � ca U � � c cv J � c Q L � c � � � � p a o N ¢ c N � C �v�j �m C j YoH'o � Q � � co � � o V � m o � o Q oa�z ������ii i i i i i ii�ii��� ,,.���o��H �AR�p� %,, � E �0 -; ` e SEAL � = 028419 = ; ( t' � �'���q FNGINEER Gp���� ��T M. ���`���� . a � :. � �� � + . , :. � � � . . � � � � � � - • • • • � .. ' ' i� � �. + -�rll y � S � i • ,. • a Issued Date By DD 09/30/11 GML owQ SUBMITTAL ��/27/11 GM� RE-SUBMITTAL I12�20/11 � GML Project No. ���� Checked BY GML Drawn By �� Drawing EROSION_CONTROL PLAN- PHASE_2 File Name C 1203.CAT Sheet C1203 5 15 u 5 � 4 � 3 � ���\� \� \� \� \� \ \\\� � �� 11 ��� �� � �\ ��'���\\ I � � � � � \ \ � \ � � � � / � � � _ _ �- � �� ` `��`��� �� �� i�� � � ���� `_ 11 i�, i1 i�������������<< i i � �� \ � � � � � � - - - � - , � � i�������� i����� ���� � �������� i��i�����������``�� ; � � � �� � �� � � � 1 � � � �� �� �� � ��� \11I I I � ����������\�� ��� � � � � � � � �- � �Exis-riNC� AN , 1 I I I I I I � I � \� \ � IJI ��1 l ) I I I � � I � \ \� ��� �\ \ \ � � � \ \ � � �\ \ . � TEST PAD AREA � ������ �� V�� � �� � \ �//���I � 1� �� � \\�\ ���A �A\ � A � � � \ \ ��� � �• � � ������� \� \� \ \� � 1 � �\\� ���� � � ���� \ V� \V � � � � � A � � \ \ \ \ � � I�I�I� �\� �� � �� � ���� ��� � ����� � � � ������ �������� � � � � � �� � � ��� � - 1 v�1�� / � > V�\�V\\\ v�A �� � v \ \ v V � � � � ������� \� �A� � � ��� \%� � � � � � \\\� \ V�� \\ � � V �� i � \\ � � � ���� � � ���� � �� � � ������ � / � � \� ��A\��� \ V�A��� � � \ � �� � \ �\ \� � II� I �� � I � � \ ������� � � � � � �� ����� ��� ��� � � ���� � � �� � � I � �� � � � � � � ������� � � � � � � � � �� � �� �� V� ��� � \ �� � � A� � � � � � � I � � � � ���� � � � ) � � ����� � � i �� � � � V��� � � � � � � �� I � � � � � �������� i / � � �� \\�� ``�//� � � 1 \ � � \ \ ��� �' �� \ \ �' � \ i I � I I � � ( I����� - � j � � � � ��� � �� � � ` \ I I \ � \ \ \ � � � \ � � l i � / � � � j��� �� � �� l �� ,,>���� J I � � A \ \ \ \ \ � � � �` � i /� )�����,-__ ��//// � /������� � ) I 1 ���� \ �� � /. i \ � `_ ��Jf � i / / � � � ) � � / / � � � I � � � / / J I � � � �/ / i \ ��//��__�� / / __� . � / ��\�I I�� � � �//�/ / �/ � � � �� \ ���� � / i j �/ - _ � � / � ��\\ � � � � � � � � / l � � � � � / �i / 1, �� �I 2 1 / � � I � / / / // i � � � / � � / � / � � � / / / . 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THE INTENT OF THE CONSTRUCTION SEQUENCE IS T� PROVIDE THE CONTRACTOR WITH A GENERAL GUIDE FOR CONSTRUCTION PURPOSES. THIS SEQUENCE IS NOT INTENDED TO OUTLINE ALL CONSTRUCTION ACTIVITIES ON THIS PROJECT. 2. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 3. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY. 4. IF IT IS DETERMINED DURING CONSTRUCTION THAT SEDIMENT IS LEAVING THE SITE, DESPITE PROPER IMPLEMENTATION AND MAINTENANCE, THE CONTRACTOR IS OBLIGATED TO TAKE ADDITIONAL CORRECTIVE ACTION. CONTACT OWNER'S REPRESENTATIVE AND ENGINEER WITH ANY ADDITIONAL MEASURES NEEDED. 5. CONTRACTOR SHALL ESTAB�ISH GROUNDCOVER ON DISTURBED AREAS WITHIN FOURTEEN (14) CALENDAR DAYS AFTER COMPLETION OF ANY PHASE OF GRADING. REFER TO NOTE �5 UNDER THE EROSION CONTROL NOTES SECTION. 6. CONTRACTOR SHALL CLEAR ONLY ENOUGH AREA TO INSTALL EROSION CONTROL MEASURES. 7. AFTER EACH SIGNIFICANT RAINFALL EVENT, CONTRACTOR IS TO INSPECT EXISTING 30" RCP FOR SEDIMENT. CONTRACTOR TO FLUSH OUT RCP IF SEDIMENT HAS ENTERED THE PIPE. 8. INSTALL STANDARD PERMANENT V-SHAPED SWALES #1-#7 AS SHOWN ON PLANS. 9. CONTRACTOR TO REWORK EXISTING CHECK DAMS TO ASSURE THEY ARE WORKING PROPERLY. 10. CONTRACTOR SHALL BEGIN TO BRING SITE TO GRADE. 11. CONTRACTOR TO CONVERT TEMPORARY DIVERSION DITCHES #A AND #B TO PERMANENT V-SHAPED SWALES #1, #2 AND #7 AS SHOWN ON PLANS. CONTRACTOR SHALL INSTALL PERMANENT LINERS AS SHOWN ON DETAIL SHEET C5101. 12. CONTRACTOR TO INSTALL ROL�ED EROSION CONTROL PRODUCTS (RECP) ON ALL S�OPES AS SHOWN ON PLANS. 13. INSTALL STORM SEWER PIPES WITH EROSION CONTROL MEASURES AS SHOWN ON PLANS. 14. INSTALL INLET PROTECTION AT DROP INLETS AS THEY ARE BROUGHT TO GRADE. 15. CONTRACTOR TO INSTALL ONE PIPE LENGTH INTO DROP INLET NUMBER 10 FROM THE SOUTH FOR FUTURE TIE-IN DI-4 FROM THE PARKING AREA. REFER TO SHEET C1205. 16. CONTRACTOR TO TIE UNDERDRAINS INTO STORM SYSTEM AS SHOWN ON PLANS. REFER TO GRADING PLANS FOR EXACT LOCATIONS OF UNDERDRAIN SYSTEM. 17. CONTRACTOR TO INSTALL SILT FENCE ON BOTH SIDES OF PERMANENT V-SHAPED SWALE #5. SILT FENCE IS TO REMAIN IN PLACE UNTIL THE SLOPE ON THE BUILDING SIDE IS STABILIZED WITH ROLLED EROSION CONTROL PRODUCTS (RECP). 18. CONTACT NCDENR-LQS UPON INSTALLATION AND STABILIZATION OF MEASURES. 19. THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS BEING FOLLOWED. RULES DETAILING THE DOCUMENTATION OF THESE INSPECTION TOOK EFFECT OCTOBER 1, 2010. THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR CONSTRUCTION ACTIVITIES. THE FOCUS OF THE SELF-INSPECTION REPORT IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTAl10N CONTROL MEASURES ACCORDING TO THE APPROVED P�AN. THE INSPECTIONS MUST BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED IN ACCORDANCE WITH NCGS 113A-54.1 AND 15A NCAC 4B.0131. THE SELF-INSPECTION FORM IS AVAILABLE AS AN EXCEL SPREADSHEET FROM http: //www.dlr.enr.state.nc.us/pages/sedimentation_new.html. IF YOU HAVE QUESTIONS OR CANNOT ACCESS THE FORM, PLEASE CONTACT THIS OFFICE AT (919) 791- 4200. 20. ONCE PHASE 2 EROSION CONTROL IS COMPLETED AND STABILIZED AND APPROVED BY NCDENR-DLQ REPRESENTATIVE AND TFtE ENGINEER, iHf CONiRAGTOR MAY MO�IE�.lNTO-I?�i�AS�r:,3�> OF THE EROSION CONTROL. REFER TO SHEETS C1205 AND C1206. EROSION CONTROL NOTES 1. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 2. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHA�� BE MADE IMMEDIATELY 3. ADDITIONAL SEDIMENT AND EROSION CONTROL MEASURES MAY NEED TO BE INSTALLED IF DEEMED NECESSARY BY EITHER THE ENGINEER OR ENVIROMENTAL INSPECTOR. 4. NO CONCRETE OR CEMENT SLURRY SHALL BE DISCHARGED FROM THE SITE. ANY HARDENED CONCRETE RESIDUE WI�L BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH LOCAL AND STATE SOLID WASTE REGULATIONS. 5. ALL SWALES, DITCHES, PERIMETER SLOPES AND AL� SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAI (3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUTIN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND-DISTURBING ACTIVITY. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND-DISTRUBING ACTIVITY. 6. TEMPORARY SEDIMENT CONTROL MEASURES (SILT FENCE, DIVERSION DITCHES, CONSTRUCTION ENTRANCE, ETC.) SHALL BE MAINTAINED UNTIL ALL CONTRIBUTING AREAS ARE GRADED AND STABILIZED. 7. DUST CONTROL ON SITE SHALL BE MINIMIZED BY SPRAYING WATER ON DRY AREAS OF THE SITE. THE USE OF OILS AND OTHER PETROLEUM BASEO OR TOXIC LIQUIDS FOR DUST SUPPRESSION IS STRICTLY PROHIBITED. 8. IF THE MAJORITY OF MUD OR DIRT IS NOT REMOVED FROM CONSTRUCTION TRAFFIC BY CONSTRUCTION ENIRANCES, CONTRACTOR SHALL CONSTRUCT VEHICLE WASH AREAS AT CONSTRUCTION TRAFFIC EXIT POINTS. MUD AND DIRT SHALL BE INTERCEPTED AND TRAPPED BEFORE WASH WATER IS ALLOWED TO BE DISCHARGED OFFSITE. RINSE-OFF WILL NOT BE ALLOWED OUTSIDE THE PROJECT CONSTRUCTION LIMITS. 9. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SI�T FENCE WHEN IT REACHES 4-INCHES DEEP. 10. MAXIMUM GRADED SLOPE SHALL NOT EXCEED 3:1. 11. REFER TO SHEETS C5101, C5102 AND C5103 FOR EROSION CONTROL DETAILS. 12. TOTAL DISTURBED AREA = 9.44 ACRES. 13. CONTRACTOR SHALL SEEK PERMIT FOR ANY BORROW AND/OR SPOIL AREAS NOT SHOWN ON THESE PLANS. 14. CONTRACTOR SHALL MAINTAIN 4" OF GRAVEL ON DRIVE LEAOING FROM SITE TO PERMANENT AREA OF COMPACTED FILL DURING CONSTRUCTION GRADING NOTES 1. INITIATE EROSION CONTROL SEQUENCE BEFORE BEGINNING CLEARING AND GRADING OPERATIONS. 2. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT VEGETATION BEYOND GRADING LIMITS. 3. STRIP TOPSOIL TQ FULL DEPTH IN AREAS TO BE GRADED. 4. COMPACT ALL FILL AREAS TO 95� OF MAXIMUM DENSITY, OR PER GEOTECHNICAL RECOMMENDAl10NS. 5. ALL AREAS ARE TO BE GRAOED SO THAT NO AREAS OF STANDING WATER OCCUR. 6. OPERATOR SHALL FIELD VERIFY EXISTING TOPOGRAPHY IN RELATION TO THE PROPOSED GRADES TO ENSURE DRAINAGE IN THE DIRECTIONS INDICATED ON THE P�AN, LEGEND . �� ARC FILTER PIPE INLET PROTECTION i i �� BLOCK & GRAVEL INLET PROTECTION RIP RAP OUTLET PROTECTION SF/TPF- EX. SILT FENCE/TREE PROTECTION FENCE -SF/TPF- NEW SILT FENCE/TREE PROTECTION FENCE SF SILT FENCE OUTLET � � � LIMITS OF DISTURBANCE -� s�s � EXISTING CONTOUR PROPOSED CONTOUR TEMPORARY DIVERSION DITCH PERMANENT STORM DRAINAGE PIPE TEMPORARY SLOPE DRAIN PIPE • STORM MANHOLE � EX. 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' � �� i i , i N \ �' �'� /� �/� �� \ \ � / �' 'o°' � "� � I � I � � � � � � � � � ����� �� � % �� ��� � ; i i ' i i - � /� /�� /�� // � � /�! � _ � ; � LIMITS OF I I � //��/� �� � � � // � _ � = � � ; I � DISTURBANCE (TYP)�� � � � � ����� �� � �/ � �- � � � � �� i � � �� i � �� � o' j��%/ �// % // �� i � � � � �� � / � 1 � �'� ' � �L� Q � � �� �� � � // / /j j � �\ �� � ' o � � � �-- �/�/��� /� i /i � � j �v � �� '`i� � �j/////j/��/jj�-�\ i' i i� , � � � (-//%//�% /j �/ j � � i � � � � i i � � � �/j ��j � j /�-�. � � � � �'� / -� � � � � ( \ % �� i ��; I J/ jj% j%/ ��� << \ � �, / � � / / \ . � � � ' , � � �, �/ // // �A �� � � ; � � , � � � i ; � , -� � l/� j j� j / / �,= ��A\ ��� i , � � //�/ � 1 �� \�� � `�� � , ,. �!�� /� '� ������ ; � ����� � � � � � ����� � ��� �A �� i � 1 � // �/ / � \� �/ <� `� - � �ii�j ��- � '� � ��� �����'����_ = �= \�) �1"� �� � / �� �� � / ��� / , � � � � � ���� �� � _ = i �� � i �j / j � ��� � � � � ) � � �� �� ---___ --� � � -� � � � � �/�j �// /��� �� �' ����� = __� „- , � � � // / � � // //��� � ! � ' J �� `- ��� _ _ -� � �� �� �//� �' i / / �/� -� �� ���= � = - � � � � � � �,� //� � � / � / /� � /�/ �\- i � � � � ---- = % /i'�///� � //j �� ���� j j/������� �---� � � // ��//�� ( � // i'� % �� � � / �j�' ) � � � f-- � � � � %/� �\ �/��� � /� -- - � �" "// / % l � 1 � � � CONTRACTOR TO EXTEND;� � = �/� � � - _ � � � � � ��i� �_- _ EXISTING 15" RCP �� � � � /� � �- - -- - � � ��� /i' _ - - - � N % I// = 25 � 5 ��� J %„ l���i�'� � � � - =2�� �� j � �j ' _ - - � l� �� ����!�� �:: �>> �v�� ��� � ,�,�)��� �'� �_ -_ � � % % � _ - - ��/�� j ������ ��%!��l %� �� \��)��� � i,,\ _-� i i i �� ���= _ � ��\�!j ��:// � � i\� � �3e' % /ii��-� � �� � � �� � ���- /// j/ j � j � �J� � � \ �- ' � � � �� �� ��i-- -� � � �� ;%%- �; � � >�� - ��,��i���i�-�� � ��\�Il �� ���� � � � � \��� �� �%��,,���-� , �� � ��� �ii� � � � � /// �---- ji-- - -�= -� �//%���� - � � /� / � � \ , \���� \\,' � ( I' � ��% - j%�� \���_/� ����`� %��-��� �/�%/�- � � \ � -J ��\���\��� ���'=__% -= =�2���\\✓ l/�= �ii-� �� \���� ������\�- _=� =� _= ������=,�_ -_ ����� � - � \\ \��-� = � ���-----����'\�� �� - ��\�� \ ii -, --� � � �� ��������� -'i-�!%�--�� , i� �� =_ � ���; ; �� � ; � ; � ; � 2 1 CONSTRUCTION SEQUENCE - PHASE III 1. THE INTENT OF THE CONSTRUCTION SEQUENCE IS TO PROVIDE THE CONTRACTOR WITH A GENERAL GUIDE FOR CONSTRUCTION PURPOSES. THIS SEQUENCE IS NOT INTENDED TO OUTLINE ALL CONSTRUCTION ACIIVITIES ON THIS PROJECT. 2. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 3. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY. 4. IF IT IS DETERMINED DURING CONSTRUCTION THAT SEDIMENT IS LEAVING THE SITE, DESPITE PROPER IMPLEMENTATION AND MAINTENANCE, THE CONTRACTOR IS OBLIGATED TO TAKE ADDITIONAL CORRECTIVE ACTION. CONTACT OWNER'S REPRESENTAl1VE AND ENGINEER WITH ANY ADDI110NAL MEASURES NEEDED. 5. CONTRACTOR SHALL ESTABLISH GROUNDCOVER ON DISTURBED AREAS WITHIN FOURTEEN (14) CALENDAR DAYS AFTER COMPLETION OF ANY PHASE OF GRADING. REFER TO NOTE #5 UNDER THE EROSION CONTROL NOTES SECTION. 6. AFTER EACH SIGNIFICANT RAINFALL EVENT, CONIRACTOR IS TO INSPECT EXISTING 30" RCP FOR SEDIMENT. CONTRACTOR TO FLUSH OUT RCP IF SEDIMENT HAS ENTERED THE PIPE. 7. CONTRACTOR SHALL CLEAR ONLY ENOUGH AREA TO INSTALL EROSION CONTROL MEASURES. 8. CONTRACTOR SHALL CONTINUE TO BRING SITE TO GRADE. 9. CONTRACTOR SHALL BEGIN CONSTRUCTION OF THE NEW PARKING AREA AND MAINTAIN ACCESS TO THE BUILDING FOR PEDESTRIAN ACCESS. 10. INSTALL STORM SEWER PIPES WITH EROSION CONTROL MEASURES AS SHOWN ON PLANS. 11. CONTRACTOR TO EXTEND EXISTING 15" RCP AS SHOWN ON PLANS. CONTRACTOR SHALL DO THIS WORK IN DRY CONDITION TO ENSURE NO SEDIMENT INFILTRATES INTO THE EXISTING RIP RAP CHANNE�. 12. CONTRACTOR TO REMOVE TEMPORARY DIVERSION DITCHES C AND D ALONG WITH CHECK DAMS AS SHOWN ON PLANS. CONTRACTOR INSTALL ROLLED EROSION CONTROL PRODUCTS ON SLOPES FOR STABILIZATION. 13. CONTRACTOR TO EXTEND THE EXISTING 15" STORM PIPE FROM DI-10 TO DI-4 AS SHOWN ON PLANS. REFER TO SHEET C1203. 14. INSTALL INLET PROTECTION AT DROP INLETS AS THEY ARE BROUGHT TO GRADE. 15. CONTRACTOR SHALL REMOVE BAFFLES AND SKIMMER FROM TEMPORARY SKIMMER SEDIMENT BASIN AND CONVERT BASIN TO REFLECT DETAILS FOUND ON SHEET C5103. 16. CONTRACTOR IS TO MUCK OUT TEMPORARY SEDIMENT BASIN PRIOR TO CONVERTING TO WET POND. 17. CONTACT NCDENR-LQS UPON INSTALLATION AND STABILIZATION OF MEASURES. 18. THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS BEING FOLLOWED. RULES DETAILING THE DOCUMENTATION OF THESE INSPECTION TOOK EFFECT OCTOBER 1, 2010. THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR CONSTRUCTION ACTIVITIES. THE FOCUS OF THE SELF-INSPECTION REPORT IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL MEASURES ACCORDING TO THE APPROVED PLAN. THE INSPECTIONS MUST BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED IN ACCORDANCE WITH NCGS 113A-54.1 AND 15A NCAC 46.0131. THE SELF-INSPEC110N FORM IS AVAILABLE AS AN EXCEL SPREADSHEET FROM http: //www.dlr.enr.state.nc.us/pages/sedimentation_new.html. IF YOU HAVE QUESTIONS OR CANNOT ACCESS THE FORM, PLEASE CONTACT THIS OFFICE AT (919) 791-4200. EROSION CONTROL NOTES 1. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH I ', CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL I2. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. ' NEEDED REPAIRS SHALL BE MADE IMMEDIATELY ' I� 3. ADDITIONAL SEDIMENT AND EROSION CONTROL MEASURES MAY NEED TO BE INSTALLED IF DEEMED ' NECESSARY BY EITHER THE ENGINEER OR ENVIROMENTAL INSPECTOR. ' 4. NO CONCRETE OR CEMENT SLURRY SHALL BE DISCHARGED FROM THE SITE. ANY HARDENED CONCRETE RESIDUE WILL BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH LOCAL AND STATE SOLID WASTE REGULATIONS. 5. A�L SWALES, DITCHES, PERIMETER SLOPES AND ALL SLOPES STEEPER THAN 3 HORIZONTA� TO 1 VERTICAL (3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST ' LAND-DISTURBING ACIIVITY. ALL OTHER DISTURBED AREAS SHA�L BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE �AST LAND-DISTRUBING ACTIVITY. I�I6. TEMPORARY SEDIMENT CONTROL MEASURES (SILT FENCE, DIVERSION DITCHES, CONSTRUCTION � ENTRANCE, ETC.) SHALL BE MAINTAINED UNTIL ALL CONTRIBUTING AREAS ARE GRADED AND STABILIZED. I7. DUST CONTROL ON SITE SHALL BE MINIMIZED BY SPRAYING WATER ON DRY AREAS OF THE SITE. THE USE OF OILS AND OTHER PETROLEUM BASED OR TOXIC LIQUIDS FOR DUST SUPPRESSION IS STRICTLY PROHIBITED. ' 8. IF THE MAJORITY OF MUD OR DIRT IS NOT REMOVED FROM CONSTRUCTION TRAFFIC BY CONSTRUCTION ENTRANCES, CONTRACTOR SHALL CONSTRUCT VEHICLE WASH AREAS AT CONSTRUCTION TRAFFIC EXIT POINTS. MUD AND DIRT SHALL BE INTERCEPTED AND TRAPPED BEFORE WASH WATER IS ALLOWED TO BE DISCHARGED OFFSITE. RINSE-OFF WILL NOT BE ALLOWED OUTSIDE THE PROJECT CONSTRUCTION LIMITS. 9. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT REACHES 4-INCHES DEEP. 10. MAXIMUM GRADED SLOPE SHALL NOT EXCEED 3:1. 11. REFER TO SHEETS C5101, C5102 AND C5103 FOR EROSION CONTROL DETAILS. 12. TOTAL DISTURBED AREA = 9.44 ACRES. 13. CONTRACTOR SHALL SEEK PERMIT FOR ANY BORROW ANO/OR SPOIL AREAS NOT SHOWN ON THESE PLANS. 14. CONTRACTOR SHALL MAINTAIN 4" OF GRAVEL ON DRIVE LEADING FROM SITE TO PERMANENT AREA OF COMPACTED FILL DURING CONSTRUCTION GRADING NOTES 1. INITIATE EROSION CONTROL SEQUENCE BEFORE BEGINNING CLEARING AND GRADING OPERATIONS. 2. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT VEGETATION BEYOND GRADING LIMITS. 3. STRIP TOPSOIL TO FULL DEPTH IN AREAS TO BE GRADED. 4. COMPACT ALL FILL AREAS TO 95� OF MAXIMUM DENSITY, OR PER GEOTECHNICAL RECOMMENDATIONS, S.ALL AREAS ARE TO BE GRADED SO THAT NO AREAS OF STANDING WATER OCCUR. 6. OPERATOR SHALL FIELD VERIFY EXISTING TOPOGRAPHY IN RELATION TO THE PROPOSED GRADES TO ENSURE DRAINAGE IN THE DIRECTI❑NS INDICATED ❑N THE PLAN, LEGEN D ♦ � �r r. i.i SF/TPF -SF/TPF- � � � -�6�s � � v ♦ v �v ARC FILTER PIPE INLET PROTECTION BLOCK & GRAVEL INLET PROTECTION RIP RAP OUTLET PROTECTION EX. SILT FENCE/TREE PROTECTION FENCE NEW SILT FENCE/TREE PROTECTION FENCE SILT FENCE OUTLET LIMITS OF DISTURBANCE EXISTING CONTOUR PROPOSED CONTOUR TEMPORARY DIVERSION DITCH PERMANENT STORM DRAINAGE PIPE TEMPORARY SLOPE DRAIN PIPE EX. CHECK DAM WA TTLE �' , 1730 VARSITY DRIVE, SUITE 500 RALEIGH, NORTH CAROLINA 27606 TELE: (919) 233-8091 FAX: (919) 233-8031 F1222 ' A� EROSION CONTROL PLAN - PHASE 3 C 1205 � " = 40' 0 40' 8�' 1 �i '� C 1205.dwg C C I' � c � .� � 0 .� � � � � .� � � a � ,r U N �. � c� L � n co U � � c c� J 8 � .� a� c .� � � � U � i L Q E � � � ����- _� � � Y p O O d � � � O � 1� O? � aj � 6) ��� a a � Y .0 � O Q � N C �,��m � o I� �o ¢�� � d p � U �� o a � z° \,,,,,,�� � � � � ��,,,,,,, \ ���` ��N �ARp ''%, ;` �� �pFESS/ ���'y ''� - 028419 = % � !l o ; �'-��'q FNGI NEE� �0��\ � ,,, ,�,T � L.i v � \,,� ���iiiiiiniii���`` SEAL NOT VALID U�S SIGNED AND DATED . . - ar s �� ��,*a 2�iky, :u-;��d� ^� :r'"�f, k'TM�uY �} � 7 � %�,�r' � �' � �'� � � � ` �� 3 �, k� ���, 0 � � �� --•r • � :. � � � • . ,. � . � �. • � i � • , '• � .. i■ � .. . r � + . 1, i . .. • + Issuetl Date By DD 09/30/11 GML DWQ SUBMITTAL 10/27/11 GML DWQ RE-SUBMITTAL 12/20/11 GML Project No. n�Qo, 2 L O `tJ Checketl BY GML Drawn By G� Drawing EROSION_CONTROL PLAN- PHASE_3 File Name C1205.CAT Sheet C1205 7 15 D C 0 � A 5 4 3 2 � ���V� �� �� \�� � ��\� � �� � �� �� �� , �����\�, � � , � i � � � , � � � , �/ � � � � . ���� � � � \\��\ � �1 11 1 \�\\ \ �� \ \\� \ i �----- -- \� - � � � � �� 1 � ��\\� � �// 1 � �\�����\� �� �I \ �� � � � \ � ( � 1� � ���V�V�1� �1� ��� A\\� � ����/��� I��I��\\�\V���� � � �� � � �� \ � ��� � I � � � � � � I � � � � � � \ \ �� � �� 1�1 � � � � � I �1 � 1 \� \ \� �� �� � � �\ � � � \ � � � � - - �EXISTING DEADti � I� � I � I � I � 1� I�\ � I��\ �l�l I ) � � � � l 1������� \� ��� ���� �� �� \ �� \� � TEST PAD a�RE �� � � �� �A�\�������� ��% ����1���������A� ��A\� �\� �� � \� � \ \ I � � �� \� � �� \� � \ \ � ��� �� � �V � �\V� � �� � � � � � - � � � JJ � �� � � � � �� � � � � � � � � � � �� �� I I �I �\� �A �� � v11�����; 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� � I I \ / DETAILS - „ � � � � � � I I � � � \ , 1 � ' � I I � � I � / � / \ � �\ 11`�����\ ���������f ���%� ;� X� 1�a \ ////�///�-_^�� �/ i ��������\ I � �/ � � � � 1 1 I I I � � � � / I � � � \ \ \ \�� ��� � \ �\\ � ,_I I � �; \��--� --�. �� ��/i/�; �� �-� �� 1 \��I I � � I � � � � , � % l I I I I J I ' l � � / � � � , \ � \ \ � � � �� � �\ �� � � � 1 I �� I � - � I i 1 / LIMI�S OF i � � � \ �\ � �\� � \� � I I � � / / / J I / / / , � \ � \ � \ \ ��� � � \ / 'DISTURBANCE (T�) � \ , � \ \ 1 I � � \ ` � // j� / j�� � l l / � � � , \ � \ \ \ \ \ \ � � � \� �\� �� \\ � � � � i� `�/ ��� � � �/ / � - , \ �� �., -215 ` � � � \ � / � , / �� /� / � � � � � � � � � � � � � � � � � �� ��� �� �� � I� � � � � �� � �� � � � �� � � �� �� �� _ _� � �� � � � \ � _ � / � ( � � / / \ \ \ \ � \ \ V ( � � i / \ �; -� � , � � � � � // ( , � � / � � � � � \ \ \� � � �A� �A \\ � ��- �; � ��,� ///�/�// A�, �;�� � �,��� \, � ��. � ' / � � I � / / � ( / � � \ \ \ \ \ \ \\ \ \ �\ � � � � / � T� �/�/ �/ � � ,22��- � %� �. �, ��/, � � � � � , ,� � , �� � � � I � \ � � � � I � � � A � \ \� �� ��� \�� �� I I��� = � � � �d��� ��- ��//���� -� ` ,.��°� i� l� �� �� -� 0 - � � \ I / � I l � \ � \ \ � \ \ � � /� , �5 '�� \ � � � ' �/ �/ � �-,-� . �\\ . ` �_�.�_, j :, -�S �- � ��_� A \ � I I i \ \ � \ \ � \ V� � I � � � �� - �a�' � � ,/, �' � ' � - � 1 \ V � I 1 � -- � � � � \ I 1 (� � i � 1 \ \ � A � � � � � � ,' _ _� � � � ��; �� �; � � � � � I / I � \I I� I ��1� � \ �� � o� � � �� , 1 , � \ / � � I I \ \ I l � I / \ \ 1 � � 1 I I 1 1 I I I I I � � �� ���'� '�� '' � ` � \ � \� ��N / N / � � � �,� _ l� �� I / � � ` - : / / � � � � � J � � � � � � � � � � � l � � � � � � / / , �D,,�S.' / \ � � � � � � � � �� � ��o� / �� 2�,�'`� �� �� � �_-_�� �' � / I �„--� 1 � � � I � � � �� � �� � � � 1 \ 1 \ � / ' ? ---'�, '� : ,J�; '� 1 / � � - -'2�% %' � � �l /l � l �� � �, ��� 1� �, �, � II I I � � �, � I ��, ' - � ;/��,� ,�I 1� � �� � \ \ \\� �\� � ��/�' �`._ ' ,' ���� ���"� � ,�„ I \ �� , � , . 5 4 MATCHLINE SEE SHEET C1205 � 2 / / I � �j � �I / � �' / � �. I � � I I � / EXISTING COVERED TEST MACHIN � OfjAGF� A� EAI � � / / I � � / / � � / �,� / � , , C � /\ /� � \ � z�-5 - - - -- - --�2� \ � � � � - -� � � � � �- � � �, � � � � j � ��//�� ��� � j- � � _ � "o"o o�o� �,o�o 1 CONSTRUCTION SEQUENCE - PHASE III 1. THE INTENT OF THE CONSTRUCTION SEQUENCE IS TO PROVIDE THE CONTRACTOR WITH A GENERAL GUIDE FOR CONSTRUCTION PURPOSES. THIS SEQUENCE IS NOT INTENDED TO OUTLINE ALL CONSTRUCTION ACTIVITIES ON THIS PROJECT. 2. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 3. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFAL� EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY. 4. IF IT IS DETERMINED DURING CONSTRUCTION THAT SEDIMENT IS LEAVING THE SITE, DESPITE PROPER IMPLEMENTAl10N AND MAINTENANCE, THE CONTRACTOR IS OBLIGATED TO TAKE ADDITIONAL CORRECTIVE ACTION. CONTACT OWNER'S REPRESENTATIVE AND ENGINEER WITH ANY ADDITIONAL MEASURES NEEDED. 5. CONTRACTOR SHALL ESTABLISH GROUNDCOVER ON DISTURBED AREAS WITHIN FOURTEEN (14) CALENDAR DAYS AFTER COMPLETION OF ANY PHASE OF GRADING. REFER TO NOTE #5 UNDER THE EROSION CONTROL NOTES SECTION. 6. AFTER EACH SIGNIFICANT RAINFALL EVENT, CONTRACTOR IS TO INSPECT EXISTING 30" RCP FOR SEDIMENT. CONTRACTOR TO FLUSH OUT RCP IF SEDIMENT HAS ENTERED THE PIPE. 7. CONTRACTOR SHALL CLEAR ONLY ENOUGH AREA TO INSTALL EROSION CONTROL MEASURES. 8. CONTRACTOR SHALL CONTINUE TO BRING SITE TO GRADE. 9. CONTRACTOR SHALL BEGIN CONSTRUCTION OF THE NEW PARKING AREA AND MAINTAIN ACCESS TO THE BUILDING FOR PEDESTRIAN ACCESS. 10. INSTALL STORM SEWER PIPES WITH EROSION CONTROL MEASURES AS SHOWN ON PLANS. 11. CONTRACTOR TO EXTEND EXISTING 15" RCP AS SHOWN ON PLANS. CONTRACTOR SHALL DO THIS WORK IN DRY CONDITION TO ENSURE NO SEDIMENT INFILTRATES INTO THE EXISTING RIP RAP CHANNEL. 12. CONTRACTOR TO REMOVE TEMPORARY DIVERSION DITCHES C AND D ALONG WITH CHECK DAMS AS SHOWN ON PLANS. CONTRACTOR INSTALL ROLLED EROSION CONTROL PRODUCTS ON SLOPES FOR STABILIZATION. 13. CONTRACTOR TO EXTEND THE EXISTING 15" STORM PIPE FROM DI-10 TO DI-4 AS SHOWN ON PLANS. REFER TO SHEET C1203. 14. INSTALL INLET PROTECTION AT OROP INLETS AS THEY ARE BROUGHT TO GRADE. 15. CONTRACTOR SHALL REMOVE BAFFLES AND SKIMMER FROM TEMPORARY SKIMMER SEDIMENT BASIN AND CONVERT BASIN TO REFLECT DETAILS FOUND ON SHEET C5103. 16. CONTRACTOR IS TO MUCK OUT TEMPORARY SEDIMENT BASIN PRIOR TO CONVERTING TO WET POND. 17. CONTACT NCDENR-LQS UPON INSTALLAl10N AND STABILIZATION OF MEASURES. 18. THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL P�AN IS BEING FOLLOWED. RULES DETAILING THE DOCUMENTATION OF THESE INSPECTION TOOK EFFECT OCTOBER 1, 2010. THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR CONSTRUCTION ACTIVITIES. THE FOCUS OF THE SELF-INSPECTION REPORT IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION CONTRO� MEASURES ACCORDING TO THE APPROVED PLAN. THE INSPECTIONS MUST BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED IN ACC�RDANCE WITH NCGS 113A-54.1 AND 15A NCAC 46.0131. THE SELF-INSPECTION FORM IS AVAILABLE AS AN EXCEL SPREADSHEET FROM http: //www.dlr.enr.state.nc.us/pages/sedimentation_new.html. IF YOU HAVE QUES110NS OR CANNOT ACCESS THE FORM, PLEASE CONTACT THIS OFFICE AT (919) 791-4200. EROSION CONTROL NOTES 1. ALL EROSION CONTROL MEASURES SHALL BE. CONSTRUCTED W. ACCORDANCE WITH THE NORTH CAROLINA EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL. 2. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER RAINFALL EVENTS. NEEDED REPAIRS SHALL BE MADE IMMEOIATELY 3. ADDITIONAL SEDIMENT AND EROSION CONTROL MEASURES MAY NEED TO BE INSTALLED IF DEEMED NECESSARY BY EITHER THE ENGINEER OR ENVIROMENTAL INSPECTOR. 4. NO CONCRETE OR CEMENT SLURRY SHALL BE DISCHARGED FROM THE SITE. ANY HARDENED CONCRETE RESIDUE WI�L BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH LOCAL AND STATE SOLID WASTE REGULATIONS. 5. ALL SWALES, DITCHES, PERIMETER SLOPES AND ALL SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUTIN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND-DISTURBING ACTIVITY. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND-DISTRUBING ACTIVITY. 6. TEMPORARY SEDIMENT CONTROL MEASURES (SILT FENCE, DIVERSION DITCHES, CONSTRUCTION ENTRANCE, ETC.) SHALL BE MAINTAINED UNTIL AL� CONTRIBUTING AREAS ARE GRADED AND STABILIZED. 7. DUST CONTROL ON SITE SHALL BE MINIMIZED BY SPRAYING WATER ON DRY AREAS OF THE SITE. THE USE OF OILS AND OTHER PETROLEUM BASED OR TOXIC LIQUIDS FOR DUST SUPPRESSION IS STRICTLY PROHIBITED. 8. IF THE MAJORITY OF MUD OR DIRT IS NOT REMOVED FROM CONSTRUCTION TRAFFIC BY CONSTRUCTION ENTRANCES. CONTRACTOR SHALL CONSTRUCT VEHIC�E WASH AREAS AT CONSTRUCTION TRAFFIC EXIT POINTS. MUD AND DIRT SHALL BE INTERCEPTED AND TRAPPED BEFORE WASH WATER IS ALLOWED TO BE DISCHARGED OFFSITE. RINSE-OFF WILL NOT BE AL�OWED OUTSIDE THE PROJECT CONSTRUCTION LIMITS. 9. SEDIMENT SHAL� BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT REACHES 4-INCHES DEEP. 10. MAXIMUM GRADED SLOPE SHAL� NOT EXCEED 3:1. 11. REFER TO SHEETS C5101, C5102 AND C5103 FOR EROSION CONTROL DETAILS. 12. TOTAL DISTURBED AREA = 9.44 ACRES. 13. CONTRACTOR SHALL SEEK PERMIT FOR ANY BORROW AND/OR SPOIL AREAS NOT SHOWN ON THESE PLANS. 14. CONTRACTOR SHALL MAINTAIN 4" OF GRAVEL ON DRIVE LEADING FROM SITE TO PERMANENT AREA OF COMPACTED FI�L DURING CONSTRUCTION GRADING NOTES 1. INITIATE EROSION CONTROL SEQUENCE BEFORE BEGINNING CLEARING AND GRADING OPERATIONS. 2. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT VEGETATION BEYOND GRADING LIMITS. 3. STRIP TOPSOIL TO FULL DEPTH IN AREAS TO BE GRADED. 4. COMPACT ALL FILL AREAS TO 95% OF MAXIMUM DENSITY, OR PER GEOTECHNICAL RECOMMENDATIONS S.ALL AREAS ARE TO BE GRADED SO THAT NO AREAS OF STANDING WATER OCCUR. 6. OPERATOR SHALL FIELD VERIFY EXISTING TOPOGRAPHY IN RELATION TO THE PROPOSED GRADES TO ENSURE DRAINAGE IN THE DIRECTIONS INDICATED ON THE PLAN. LEGEND ♦ � �r .-. �� SF/TPF -SF/TPF- SF � � � -��s�s � ti�5''� - - .. .. .. ;:;� ♦ v Jv ARC FILTER PIPE INLET PROTECTION BLOCK & GRAVEL INLET PROTECTION RIP RAP OUTLET PROTECTION EX. SILT FENCE/TREE PROTECTION FENCE NEW SILT FENCE/TREE PROTECTION FENCE SILT FENCE OUTLET LIMITS OF DISTURBANCE EXISTING CONTOUR PROPOSED CONTOUR TEMPORARY DIVERSION DITCH PERMANENT STORM DRAINAGE PIPE TEMPORARY SLOPE DRAIN PIPE EX. CHECK DAM WATT�E I �' . 1730 VARSITY DRIVE, SUITE 500 RA�EIGH, NORTH CAROLI�IA 27606 TE�E: (919) 233-8091 FAX: (919) 233-8031 F1222 EROSION CONTROL PLAN - PHASE 3 1"=40' 0 40' 80' 1 �' '� C1206.dwg � C � c � .�, � � L � � � � _ � c .� c co a � � � � � � � aai � U � � c ca J B �' .� a� c .� c W � � U � ..� i Q E o, m � ����- _� � � Y p O O 47 ���� 0 ���� a; rn rn � rn rn ¢ � a � Y .O � O Q �� C N � o Ic �o Q�-� m m o � V m m N � O a � z° ������iiiiii�uii� ,,,, ,,,���o��N �ARoli �',, :` OEE /pNq �'� ; Q ; - SEAL - - � 028419 = - s �,1, - ;c� 1L � �\ '%,�q�T FNGINE�-� ��0��`: ,,,, M. L�I V��,, . . . �, ,� .. -�..� ����� � �� t ��� � ��� � � �. � � ,� � �� ��� ��=,���M���`: �,� �� �� � � � ��� ��,� �� �~'������; r� � � � � � ���a�r�� � �'. ,�� A����� 4 , � ,� --.... . , :. � . � � ., • , • i • � � . . • � „ . - - :. � ,. a . ! V • � . ' T � .. • . Issued Date By DD 09/30/11 GML DWQ SUBMITTAL 10/27/11 GML DWQ RE-SUBMIITAL 12/20/11 GML Project No. n�8043 L Checked BY GML Drawn By �� Drawing EROSION_CONTROL PLAN- PHASE_3 File Name C1205.CAT Sheet C1206 8 15 � C � � ��, 5 4 3 2 li � A. BURY THE TOP END OF THE STRIPS NOTES: IN A TRENCH 4 INCHES OR MORE IN DEP1H. RECOMMENDATIONS FOR LATE WINTER AND EARLY SPRING RECOMMENDATIONS FOR LATE WINTER AND EARLY SPRING 7. WARNING SIGNS TO BE MADE OF DURABLE, WEATHERPROOF MATERIAL 2. LETTERS 'f0 BE 3° HIGH MINIMUM, CLEARLY LEGIBLE AND SPACED AS DETAILED. 3. SIGNS SHALL BE PLACED AT 50' MnxiMUM iN7ERVn�s. B. TAMP THE TRENCH FULL OF SOIL. ; SEEDING MIXTURE SEEDING MIXTURE 4. PI.ACE A SIGN AT EACH END OF LINEAR TREE PROTECTION AND 50' oN ceN�R niEREnF�R. SECURE WITH ROW OF STAPLES, 10 INCH �^� OO �ti�,-:�, SPECIES RATE (ib/acre) SPECIES RATE (Ib/acre) 5. FOR iREE PROTECTION AREAS LESS THAN 200' IN PERIMETER, PROVIDE NO LESS THAN ONE SIGN PER PROTECTION AREA. 7F2ENCH.' 4 INCHES DOWN FROM THE G -�° ��" RYE (GRAIN) 120 TALL FESCUE 80 6. ATTACH SIGNS SECURELY TO FENCE POSTS ANO FABRIC. ' ANNUAL LESPEDEZA (KOBE IN 50 KOBE LESPEDEZA 40 7. MAINTAIN TREE PROTECTION FENCE THROUGHOUT DURATION OF PROJECT. �, PIEDMONT & COASTAL PLAIN, C. OVERLAP--BURY UPPER END OF LOWER -.'� W�' KOREAhI IN MOUNTAINS NURSE PLANTS: 8. ADDIiIONAL SIGNS MAY BE REQUIRED BY CITY OF RALEIGH INSPECTIONS DEPARTMENT BASED ON ACTUAL FlELD CONDITIONS. �� STRIP AS IN 'A� AND 'B�. OVERLAP ., Do W,�'� BETWEEN MAY 7 AND AUG. 15, ADD 10 Ib/acre GERMAN MILLET OR 15 Ib/acre SUDANGRASS. PRIOR TO MAY 1 OR AFTER 9. PLACE A SIGN AT EACH END OF LINEAR TREE PROTEC110N AND 50' ON CENTER THEREAFTER. END OF TOP STRIP 4 INCHES AND �; �. ��'�� 70. FOR CONDI710NS WHERE PRACTiCE APPUES: PLANNING CONSIDERATIONS ( HOWEVER FLOW SHALL NOT RUN PARALLEL STAPLE. OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT TO EXTEND BEYOND JUNE AUG. 15, ADD 40 ib/ac RYE (GRAIN) ��� � * FOR REPAIR OF SILT WITH THE FENCE) AND DESIGN CRITERIA. ,�, ,� � SEEDING DATES: SEEDING DATES: FENCE FAILURES, USE 17. END OF SILT FENCE NEEDS TO BE TURNED UPHILL �, No. 57 WASHED STONE. 12. SEE N.C. STATE DENR PRACTICE de SPECIFlCAiION SEDIMENTS FENCE SECTION. • � =�:,�: �� W MOUNTAINS (ABOVE 2,500°): FEB. 15 - MAY 15 BEST POSSIBLE ` 7REE PROTECTION nREA � FOR ANCHOR wHEN SILT FOR CONDITIONS WHERE PRACIICE APPUES; PLANNING CONSIDERATiONS. �' F�`3' • �'�` (BELOW 2,500'): FEB. 1- MAY 1 FALL AUG. 15 - SEPT. 15 AUG. 20 - OCT. 25 : 18• FENCE IS PROTECTING 13. SEE N.C. STATE DENR PRACTICE k SPECIFICATION SEDIMENTS FENCE SECTION. PIEDMONT: JAN. 1- MAY 1 LATE WINTER: FEB. 15 - MAR. 27 FEB. 1- APR. 15. %� DO NOT EN7ER CATCH BASIN. (HOWEVER FLOW SHALL NOT RUN PARALLEL WITH THE FENCE) D. EROSION TROP--FOLD OF LINING BURIED COASTAL PLAIN: DEC. 1-APR. 15 � � IN SLIT TRENCH AND TAMPED, DOUBLE FALL IS BEST FOR TALL FESCUE AND LATER WINTER FOR LESPEDEZAS. OVERSEEDING OF DOBE LESPEDEZA OVER ROW OR STAPLES. SOIL AMENDMENTS: FALL-SEEDED TALL FESCUE IS VERY EFFECTIVE. WARN I N G SI GN DETAI L FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 Iblacre GROUND AGRICULTURAL LIMESTONE AND 8' Mnx. .- 750 Ib/acre 10-10-10 FERTILIZER SOIL AMENDMENTS: vAR�aBLE ns DIREC7ED BY THE ENqNEER : FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 Ib/acre GROUND AGRICULTURAL LIMESTONE AND 750 STEEL PoST W MULCH: Ib/acre 10-10-10 FERTILIZER wovEN wIRE FnBRic APPLY 4.000 Ib/acre STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING OR A MULCH ANCHORING wARNING SIGN W W W � TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. MULCH: SILT FENCE GEOTEXTILE FABRIC TREE PROTECTION AREA W W W APPLY 4.000 Ib/acre STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING OR A MULCH ANCHORING TOOL. A MIN. 10 GA � �`" '� MAINTENANCE: DISK WITH BWDES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. o � � DO NOT ENTER MIN. 12-1 2 GA. W REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY N � FILL SLOPE LINE WIRES � E. OVERALL PLACE STAPLES 1-1/2 TO 6 INTERMEDIAiE � LINING FIRMLY PRESSED INTO THE SOIL. FOLLOWING EROSION OR OTHER DAMAGE. MAINTENANCE: "� WIRES z :,:=' REFERTILIZE IN THE SECOND YEAR UNLESS GROWfH IS FULLY ADEQUATE. MAY BE MOWED ONCE OR TWICE A � "•�' SILT FENCE FABRIC _ ��'`�` �� INSTA��ED TO SECOND (1 TYPICAL STAPLES YEAR, BUT MOWING IS NOT NECESSARY. RESEED, FERTILIZE AND MULCH DAMAGED AREAS IMMEDIATELY. M.;'���'? � GRADE WIRE FROM TOP GRADE •--- I I#8 GAUGE WIRE RECOMMENDATIONS FOR SUMMER __ F. PRESS ENOS OF LINING 4 INCHES INTO = s" MIN. COVER '-_ ����� �IIII=IIIII°IIIII°IIIIF--IIIII°IIIII=IIIII°IIIII=IIIII=IIII�IIIII-IIIII=IIIII=IIIII=IIIII=IIIII=I� 111�IIII=11' THE SOIL AROUND STRUCTURES AND SEEDING MIXTURE RECOMMENDATIONS FOR GRASS-LINED CHANNELS STAPLE SECURELY. i OVER 5KIRT + I !�.�!! I SPECIES RATE (Ib/acre) N EX7END wIRE 6" MIN. INTO iRENCH GERMAN MILLET 40 ANO ANCHOR SKIRT AS IIIII SEEDING MIXTURE DIRECiED BY ENGINEER = IN THE PIEDMONT AND MOUNTAINS, A SMALL-STEMMED SUDANGRASS MAY BE SUBSTITUTED AT A RATE OF 50 SPECIES RATE (Ib/acre) SIDE VIEW ,,;,, �!!�� FRONT VIEW ,,,,, e1��� D3 INSTALLATION OF ROLLED EROSION �b/acre. TALLFESCUE 200 SEEDING DATES: NURSE PLANTS: D5 TE M PO RARY S I LT F E N C E/ TR E E P ROTE CTI O N F E N C E C5101 C O N T RO L P RO D U CTS (TY P) NTS MOUNTAINS MAY 15 - AUG. 15 BETWEEN MAY 1 AND AUG. 15, ADD 10 Ib/acre SUDANGRASS OR 15 Ib/acre GERMAN MILLET. PRIOR TO MAY 1 OR AFTER PIEDMONT: MAY 1- AUG. 15 AUG. 15, ADD 40 Ib/ac RYE (GRAIN) C5101 N TS C O A S T A L P L A I N: APR. 15 - AUG. 15 SEEDING DATES: SOIL AMENDMENTS: BEST: AUG. 25 - OGT. FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 Ib/acre GROUND AGRICULTURAL LIMESTONE AND POSSIBLE: FEB. - APR. 15 �50 Ib/acre 10-10-10 FERTILIZER AVOID SEEDING FROM NOV. TO JAN. IF SEEDING MUST BE DONE AT THIS TIME, ADD 40 Ib/acre RYE GRAIN AND USE A MULCH: CHANNEL LINING THAT OFFERS MAXIMUM PROTECTION APPLY 4.000 Iblacre STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING OR A MULCH ANCHORING TOP ELEVAl10N OF STORMWATER TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. SOIL AMENDMENTS: 0.5'-1' FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 4,000 Ib/acre GROUND AGRICULTURAL LIMESTONE AND 1,000 0.5'-1 ° MAINTENANCE: � � TOP ELEVA710N OF STORMWATER Ib/acre 10-10-70 FERTILIZER REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY � v"'i #5 WASHED .��' Mqx. D FOLLOWING EROSION OR OTHER DAMAGE. MULCH: � Pos1P EXISTING SLOPE STQNE `.; _ � 0 � � y USE ROLLED EROSION CONTROL PRODUCT TO CO TTOM OF THE CHANNELS AND DITCHES, AND STAPLE SECURELY. THE LINING SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW. ON CHANNEL SIDE \���G wAT1LE ExisTlnlG SLOPE SLOPES ABOVE THIS HEIGHT, AND IN DRAINAGES NOT REQUIRING TEMPORARY LININGS, APPLY 4,000 Ib/acre GRAIN P��O : VARIES RECOMMENDATIONS FOR FALL STRAW, AND ANCHOR STRAW BY STAPLING NETTING OVER THE TOP. `•' �1 RIP-RAP ��� �� ��� �'y/H, SECURE WATTLE WITH UPSLOPE AND SIDE VIEW VARIES SEEDING MIXTURE MULCH AND ANCHORING MATERIALS MUST NOT BE ALLOWED TO WASH DOWN SLOPES WHERE THEY CAN CLOG =r: w �, '' =f:;: ��1:��. DOWNSLOPE STAKES AND STAPLES. RATE (Ib/acre) ��� �� SPECIES DRAINAGE DEVICES. 15' R• �=`�:•,r.`f f'�;�. SIDE VIEW RYE (GRAIN) 120 ..�' •. 'r SEEDING DATES: INSPECT AND REPAIR MULCH FREQUENTLY. REFERTI�IZE IN LATE WINTER OF THE FOLLOWING YEAR; USE SOIL ��'�: ,: ;.;� r .. MAINTENANCE: `':r : COARSE AGG. ��, EXISIING SLOPES MOUNTAINS: AUG. 15 - DEC. 15 TESTS OR APPLY 150 Ib/acre 10-10-10. MOW REGULARLY TO A HEIGHT OF 2-4 INCHES. FlLTER CLOTH �� E� COASTAL PLAIN AND PIEDMONT: AUG. 15 - DEC. 30 EA R TH EN SOIL AMEN DMENTS: VARIES FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 Ib/acre GROUND AGRICULTURAL BERM CONSTRUCTION NOTES: LIMESTONE AND 750 Ib/acre 10-10-10 FERTILIZER I ' HEIGHT & WIDTH DETERMINED BY NOTE: EXISTING TOPOGRAPHY AND A. COARSE AGGREGATE (2"-3" STONE) SHALL BE USED. PAD TO BE 100'L X 25'W X 6"D MIN. PLACE 4��•. .. 0.5'-1' • SEDIMENT STORAGE REQUIRED. MULCH: SEE NCDENR'S EROSION AND SEDIMENT CONTROL PLANNING DESIGN » 2� UPSLOPE & - ... .. •: �• ••�.'. ''•.� �` APPLY 4.000 Ib/acre STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING OR A MULCH A MINIMUM OF 3 OF STONE IN A CUT SEC110N TO HELP SECURE FILTER CLOTN. v' ' � KEYED RIP RAP MANUAL SECTION 6.11 FOR ADDITIONAL PERMANENT SEEDING OPTIONS. DOWNSLOPE STAKES, TYP. W ' KEY RIP RAP INTO THE DAM ANCHORING TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING a ' � FOR STABILIZATION. TOOL. B. TURNING RADIUS SUFFICIENT TO ACCOMMODATE LARGE TRUCKS IS TO BE PROVIDEO. � '�' "' C. ENTRANCES SHOULD BE LOCATED TO PROVIDE FOR MAXIMUM U1ILITY BY ALl CONSTRUCTION MIN. 10 LF EXCELSIOR MATTING MAINTENANCE: VEHICLES. 2' MIN. ON UPSLOPE �k5 wASHED STONE REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOPDRESS WITH 50 Iblacre OF NITROGEN IN AND 8° MIN. ON DOWNSLOPE Ex�SnNG GROUNO MARCH. IF IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND JUNE 15, OVERSEED WITH 50 D. MUST BE MAINTAINED IN A CONDIl10N WHICH WILL PREVENT TRACKING OR DIRECT FLOW OF MUD NOTES: Ib/acre KOBE (PIEDMONT AND COASTAL PLAIN) OR KOREAN (MOUNTAINS) LESPEDEZA IN LATE FEBRUARY ONTO STREETS. PERIODIC TOP DRESSING MAY BE NECESSARY. AFTER EACH RAINFALL, INSPECT FRONT VIEW OR EARLY MARCH. ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE 1. USE MINIMUM 12�� DIA. STRAW WATTLE. 20'� WATTLES ARE ALSO SPECIFIED STEP SEQUENCE ALL OBJECI'IONALBE MATERIALS SPILLED, WASHED, OR TRACKED ONTO PUBLIC ROADWAYS. 2. USE 2��x2'� WOODEN STAKES 2-FT IN LENGTH ON THE UPSLOPE AND DOWNSLOPE (; � P E RMAN E NT S E E D I N G S C H E D U L E NOTE: REMOVE SEDIMENT ACCUMULATION FROM BEHIND T E M P O RA RY S E E D I N G S C H E D U L E E. TEMPORARY PADS MUST BE �OCATED ON EACH SIDE OF ADJOINING ROADWAY. AT AN ANGLE TO WEDGE THE WATTLE TO THE BOTfOM OF THE SWALE. CHECK DAMS TO PREVENT DAMAGE TO CHANNEL VEGETATION. '�+2 3. STAPLE EVERY 1 LF ON BOTH SIDES OF THE WATTLE TO SECURE IT TO THE BOl�f"OM OF FLOW SHOULD BE MAINTAINEO THROUGH THE DAM. CS� O� THE SWALE. Cr.J101 cs TEMPORARY CONSTRUCTION ENTRANCE c3 CHECK DAM C5101 Nrs c4 WATTLE C510 NTS C5101 NTS _ . . _ __ -- _ _ _ __ _ _ -- - __ . _--_ --- � � 2 � 1. CHISEL COMPACTED AREAS AND SPREAD TOPSOtL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF AVAILABLE. POST 2. RIP THE ENTIRE AREA TO 6 INCHES DEPTH. NOTE: STRUCTURAL STONE SHALL BE CLASS B STONE FOR EROSION 3. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. CONTROL PURPOSES. SILT SI�T FENCE FENCE SWALE TEMPORARY LINER PERMANENT LINER d it 3 SILT FENCE TO BE 4. APPLYAGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLYAND MIX WITH SOIL (SEE BELOW ). SEDIMENT CONTROL STONE �, �SP OFEPIPE�R SHALL BE N0. 5 OF N0. 57 3 STRAW W NET TALL FESCUE 1.25 \ 5. CONTINUE TILLAGE UNTIL A WELL - PULVERIZED, FIRM, REASONABLY UNIFORM SEEDBED IS PREPARED 4 Tv 6 INCHES DEEP. STONE. 4 SYN E C MATTIN TALL FESCU 1.18 \ \ �np,� 6 THETIC MATTING TALL F SCUE 1.33 \S 1 RIP RAP(SEE SECTION THRU BASIN BELO ��,� � �S 6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER � I 8 STRAW W NET TALL FESCUE 1.52 RIPRAP TO EXTEND OVER 9 STRAW W NET TALL FESCUE 1.32 RoW� / TOP OF FES o oR��� �oo$� ��o SEEDING. TOP VIEW ����/�/ ��°� � � � ,' I ��g� q�q 7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. SILT SILT SILT ` Q � \ INVERT C 1 IP RAP HEADWALL � C���Q � p D O j FENCE FENCE 1 I FENCE `'��Q 8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE PLANTING SEASON, IF � , W \ \ W PIPE g 00 Q °�""° ° POSSIBLE. IF STAND SHOULD BE OVER ° 9 � 1.5 MIN, PERMANENT SEEDING TO BE INSTALLED TO W AS NOTED BE�OW �_ \ i"' : do � �� � 6 CHANNEL yy RATES. 60% DAMAGED REESTABLISH FOLLOWING ORIGINAL LIME, FERTILIZER AND SEEDING f�� i� � � � �� // ..�. „. �J� BOTTOM F�� .1 � I I -I I I � � �� I 1- ; /j O � o�� p � yW 2• I I � I I� I � = I� I I�� I' --'-- - C ���//�����/����������I��, '� � 8� p`'�' �p o Q 9. C O N S U L T C O N S E R V A T I O N I N S P E C T O R O N M A I N T ENAN CE TREATMENT AND FERTILIZATION AFTER PERMANENT COVER 15 3' M A X. ' �D/,y f /'� j �t57 w ED STON . 1° THICK X 3° HIGH MIN. Op Qp o�� ESTABLISHED. STRUCTURAL ~ I I I�� � i I I- I I�~' � N T S r O RAGE qREp.-►/% �- S I L T F E N C E T O B E oO Q Q � �� SEDIMENT �- / / q0� O�� * APPLY: AGRICULTURAL LIMESTONE - 2 TONSIACRE OR 3 TONS/ACRE IN CLAY SOILSFERTILIZER - 1000 LBS/ACRE 10-1 -1 CONTROL STONE // \ INSTALLEU OVER � Q��C}�j���C7 0 � ��� STONE ' � � I �' TEMPORARY LINER MUST BE ///// / I I I`\\\\ TOP OF FES SG�fJ� O SUPERPHOSPHATE - 500 LBS/ACRE (20 /o) � � � 1- INSTALLED TO THE TOP OF / ��3�� C�" MULCH - 2 TONS/ACRE (SMALL GRAIN STRAIN)ANCHOR - ASPHALT EMULSION AT 450 GAL./ACRE CROSS SECTION �.�J M I N. BANK / � O PLAN VIEW FRONT VIEW V-SHAPED SWALE � � SIIT FENCE PERSPECTIVE VIEW `° 1. RECPs. MUST MEET. THE FOLLOWING MINIMUM PERMISSABLE SHEAR SPECIFICATIONS: NO SCALE B2 S E E D B E D P RE PA RAT I O N a. STRAW W/NET - 1.45 LB/FT2 C5101 B� SILT FENCE OUTLET h. SYNTHETIC MATTING - 2.00 LB/FT� RIP RAP HEADWALL � Brj STANDARD PERMANENT AREAS To BE o�S,�RBEO SEDIMENT STdRAGE C5101 NTs (CUT, FILL, ETC.) SILT FENCE � FLOOD STORAGE ZONE �- C5101 _ NTS � � � � ° � V SHAPED SWALE SEC110N B-B FCpH, � �:5 3. Fl-oW-� PAVEMENT OR GRASS NO7E: FINISHED GRADE NEENAH FOUNDRY C0. R-3433 FRAME AND GRATE DIMENSIONS ARE PIPE INVERT -12�- a Z4� X Z4�� OR APPROVED EQUAL MINIMUM ACCEPTABLE FlLTER FABRIC OUTLET Do La W DEPTH LINING (3o cm) 1�2 DIA. 1NEEP HOLE 3000 PSI CONC. SLAB UN�ESS OTHERwISE CLASS 1 RIP-RAP N0. (IN.) (FT.) (FT.) (IN.) CIASSIFiCAT10N 2�-5� / W WASHED STONE (5cm-12.Scm� � W/ FRAME EMBEDDED NOTEO. �57 WASHEO STONE FES-2 ts 7.5 4.0 22 CLASS B � �(156cm� 2#5 ALL AROUND PERIMETER MAX. SEDIMENT DEPiH(CLEAN OUT POINT) FES-3 15 12.5 4.0 22 CLASS 2 ` \\ � � SECTION THRU BASIN FILTER AND CULVERT PIPE :.;?:. ..�.'':..4::��.�,:'�:��"'�-=��������������� °o° o ::::�::�' "������ ���:� �. ""���'"'. �� ::�:::: o TEMP. 15" CPP 15 7.5 4.0 22 CLASS A '' �'� � -e"- (�s �m) � O � O p � O O . . . . O . . . . . . . . . 00 NO _ O � O O O SCALE . � ::;n ;: �O O O O � � . 3b � ' I I I II :::::::6 :: :: ::: ��o o - STONE CLASSIFICATIONS OF CLASS B REQUIRE A SUBLAYER OF FILTER FABRIC �' ^^ .-, ,-, ,-, ,-, �\�\ �� �/� � PIPE DIA. + 12'� I-I I I= - 64 ARC FILTER INLET PROTECTION OR FS-2 FIITER STONE WITH A BEDDING THICKNESS OF 6". - ��'-' \� � i 30" N. - I� ''��� II I�� 8" WALL, 12" REQUIRED IF STONE SHALL BE PLACED TO FOLLOW CONTOURS OF DOWSTREAM CHANNELS _ _- - „ - w --- 6 - HERE APPLICABLE, PIPE TO BE CUT FLUSH WALL EXCEEDS 10' C5101 - N TS -3•- WITH BASIN WALL - -I� - N � - s m 98 N � R 1 0 EENAH FOUNDRY . _ ( CO 3 I •' . � „ � . . •:'� `� � - - - 1 " . 8 MANHOLE C� 6 0 C. RIP RAP O TLET P -- TO 10 HEIGHT U R TE O CTI N DE O TAI L _ \ M A3 - :.��:::,�:`:::�::::::::;;:�:;�:�";::: .................. .-_:.::�:::.::::::::::..::::::.:: ::::::::::::. -::::::::.-.:�::::::. ........---��--� .. ...... ..... �:::::::::::: --- 12 IF OVER 10' :.;:::.F� :::::::::::::::.::X.:...:..�-.-::...:.: 1/2" CEMENT COAT AS -:.:-:__:::::.�::_:-:. :... . . � W -- - RE 'D. BY A E S ALE TEMPORARY N - Q LI ER d it C 1 - - � 5 01 :::=:::::: =�:`=:-�:=�: =:=:= :::.:_.-__-�::-:-:::::.::-. .................................. ...........:.:. .:.:.:..:...:.:::.:::::::::::.:::::.:.:.:.::::::::.. �::.�::.:-::- ::..::.::.:::. ::_:::::::::::::.:�: _�:-:<::::.::.: �.- A 6" RIP RAP 1.70 N TS _ =::......�--: ::�-_.: - - . - 6ROUT W . W 9 IV 6X6 2 9X 2. WWF B 6° - N ERTS RIP RAP 2.19 SLAB REINF. C SYNTH 11C MATTING 1.32 D - SYNTHETIC MATTIN G 1.31 - - G RATE D INLET A1 fl C5101 4' MAX. ---) W 19-GAUGE HARDWARE CLOTH (�" MESH OPENINGS) PERMANENT SEEDING TO BE INSTALLED TO W AS NOTED BELOW II � �_ � _ - NCDOT �5 OR �57 1. PREPARE SOIL BEFORE INSTALLING ROLLED EROStON CONTROL PRODUCTS (RECPS), INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED. , NOTES: WASHED STONE 2. BEGIN AT THE TOP OF THE SLOPE BY ANCHORING THE RECPS IN A 6" " " � (15 CM) DEEP X 6 (15 CM) WIDE TRENCH WITH APPROXIMATELY 12 (30 CM) OF RECPS EXTENDED �� � d .'' Ir' 1. UNIFORMLY GRADE A SHALLOW DEPRESSION APPROACHING THE NCDOT 5 OR 57 BEYOND THE UP-SLOPE PORTION OF THE TRENCH. ANCHOR THE RECPS WITH A ROW OF STAPLES STAKES APPROXIMATELY 12" 30 �'� TEMPORARY LINER MUST BE INLET. # # / ( CM) APART IN THE BOTTOM OF THE w WASHED STONE 2' TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" 3� CM PORTION OF RECPS BACK OVER SEED � - INSTALLED TO THE TOP OF ( � � AND COMPACTED SOIL. SECURE RECPS OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED APPROXIMATELY 12" (30 CM) APART ACROSS THE WIDTH OF THE °;° �� BANK 2. DRIVE 5-FOOT STEEL POSTS 2 FEET INTO THE GROUND RECPS. ��., �� V-SHAPED SWALE SURROUNDING THE INLET. SPACE POSTS EVENLY AROUND THE '�� 16" MIN. � z i � PERIMETER OF THE INLET, A MAXIMUM OF 4 FEET APART. 3. R O L L T H E R E C P S ( A.) D O W N ( F O R S L O P E S 3: 1 O R G R E A T E R) O R ( B.) H O R I Z O N T A L L Y ( F O R S L O P E S L E S S T HAN 3:1) ACROSS THE SLOPE. RECPS WILL UNROLL WITH U"' o M� N 1. RECPs MUST MEET THE FOLLOWING MINIMUM PERMISSABLE SHEAR SPECIFICATIONS: 3. S U R R O U N D T H E P O S T S WITH WIRE MESH HARDWARE C�OTH. APPROPRIATE SID E A G A I N S T T H E S O I L S U R F A C E. A L L R E C P S M U S T B E S E C U R E L Y F A S T E N E D T O S O I L S U R F A C E B Y P L A C I N G S T A P L E S/ S T A K E S I N A P P R O P R I A T E L O CATIONS AS `� > Q ^ SHOWN IN THE STAPLE PATTERN GUIDE. WHEN USING THE DOT SYSTEM T"', STAPLES/STAKES SHOULD BE PLACED THROUGH EACH OF THE COLORED DOTS CORRESPONDING TO � v°' °' a. STRAW W/NET - 1.45 LB/FT' SECURE THE WIRE MESH TO THE STEEL POSTS AT THE TOP, 2� THE APPROPRIATE STAPLE PATTERN. °_� rn`` b. SYNTHEIIC MATTING - 2.00 LB/FT2 MIDDLE, AND BOTTOM. PLACING A 2-FOOT FLAP OF THE WIRE � �� MESH UNDER THE GRAVEL FOR ANCHORING IS RECOMMENDED. 4. THE EDGES OF PARALLEL RECPS MUST BE STAPLED WITH APPROXIMATELY 2" -5" (5 CM -12.5 CM) OVERLAP DEPENDING ON RECP� TYPE. �� w Q A 5 S T A N D A R D T E M P O R A R Y PLAN VIEW �_�� 4. P L A C E C L E A N G R A V E L ( N C D O T # 5 O R # 5 7 S T O N E) O N A 2: 1 5. CONSECUTIVE RECPS SPLICED DOWN THE SLOPE MUST BE PLACED END OVER END SHINGLE STYLE WITH AN APPROXIMATE 3'° 7 5 CM OVER�AP. STAPLE THROUGH o`-' C 5 1 0 1 DIVERSION DITCH Nrs S�OPE WITH A HEIGHT OF 16 INCHES AROUND THE WIRE, AND F I L T E R E D �, � � �• � r,, w SMOOTH TO AN EVEN GRADE. WATER OVERLAPPED AREA, APPROXIMATELY 12 (30 CM) APART ACROSS ENTIRE RECP'S WIDTH. r, Q � � 5. ONCE THE CONTRIBUTING ORAINAGE AREA HAS BEEN NOTE: *IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6" (15 CM) MAY BE NECESSARY TO PROPERLY SECURE THE RECPS. STABILIZED, REMOVE ACCUMULATED SEDIMENT, AND ESTABLISH FINAL GRADING ELEVATIONS. 6. COMPACT THE AREA PROPERLY AND STABILIZED IT WITH CROSS SECTION GROUNDCOVER. A2 TEMPORARY STABILIZATION FOR SLOPES GREATER THAN 1l� FEET •� A4 HARDWARE CLOTH & GRAVEL INLET PROTECTION C5101 NTS C5101 rvTs � 4 I 3 I 2 i 1 L- C . �� � � .� 0 � .` � � � rn c .� C (LS � W � U � � � Q N � U � � C � J �� C N � c .� c W � � v U Q ����� �, � _� � � Y p O O N � � � 0 rn ti � � o; ai o� � rn rn a w � � .o � o a� Q � N Y O H � ¢ L m m o m V m � � O a � Z �i . ii ,,,,,,,,, � � � � �,,,,,,,,,,,, , ��� ��N CARp .�`��\�� ��FE�9 `� '� � - SEAL " - 028419 = ;�, lZ'�°(< p; ',�q FN�INEER �p�.: -,,, �jiT .. � �,.• ,,''' !MI �le �,�``�,, SEAL NOT VALJD UNLESS SIGNED AND DATE � � J � � �,�V � � � � � � m � � � � � �� v • �� :. � � � � �� � � � � ,� : � � � • • � � . � .. ■t �� + -•. _,� � �. ��r � � + • : - 1� � �. � ♦ Issued Date By Project No. ���� Checked BY GML Drawn By ^^A V�1'1 Drawing EROSION_CONTROL DETAILS File Name C5101.CAT Sheet C5101 9 15 D C B A 5 CLASS A RIPRAP PAD FOR SKIMMER TO REST ON 4'X4'X15"THICK WATER LEVE DURING STORM POROUS BAFFLES (3 MINIMUM) 0 PLAN VIEW EMERGENCY SPILLWAY CONSTRUCTED OVER UNDISTURBED GROUND AND ARMORED WITH RIP RAP AND FILTER FABRIC � SEDIMENT 1RAP .�Y:w� • • .. . . . .'.j . `.�.� �':• .�'t ; � ` . � :` :,: ':;;: .. . .. , . . .. ... . ;. .... ... � , : •.,,.:. •'• . . . ...y�':'. :'• � � ' >. • a.•...... , .:. . • • ... :... . �.: ..t.. •,•... • ..:.; POROUS BAF LES (3 MINIMUM) o � Q KIMMER � .'�'II�iT�:� 2'x2'x6" CONCRETE � ANTI-SEEP COLLAR PVC OUTLET PIPE C R O S S S E C TI O N 2% MAX. SLOPE 4 RAP IPATOR PAD PIPE - �EARTH DAM EIR WITH FILTER FABRIC AND RIP-RAP MER TO BE TIED OFF TO EMBANKMENT 2 DIRECTIONS RGENCY SPILLWAY ELEV. MUM FORESLOPE 2 1/2 : 1 MUM BACKSLOPE 3 : 1 TH DAM 4' �ONG x 4' WIDE x 12° DEEP CLASS A RIP RAP DISSIPATOR PAD DISTURBED TOTAL REQUIRED PROVIDED STORAGE/ TOP OF SKIMMER DAYS AREA DRAINAGE REQUIRED SURFACE MINIMUM BOTTOM TOP TOP PROVIDED SURFACE SPILLWAY SPILLWAY DAM SKIMMER ORIFICE TO BASIN # (ac) AREA (ac) STORAGE AREA DEPTH ELEVATION WIDTH LENGTH STORAGE AREA ELEVATION WIDTH ELEVATION SIZE DIAMETER DRAIN 1 5.74 7.19 10,330 CF 8,620 SF 10.0' 198.0' 67' 137' 27,537 CF 11,771 SF 208.0' 27.0° 210.0' 3.0" 2.5" 3 1" WEEP H VARIES SEE PLAN MIN. 30" 8" IF CB 10'IN HEIGHT OR LESS 12" IF OVER 10' TEMPORARY SKIMMER SEDIMENT BASIN NEENAH FOUNDRY C0. R-3010 FRAME AND GRATE OR APPROVED EQUAL O 0 R-1980 NEENAH FOUNDRY C0. MANHOLE STEPS AT 15" O.C. PIPE O.D. + 12 MIN MIN. 30" 1/2" CEMENT COAT .„ IN. S" WALL . •• •. • 12" REQ'D. IF DEPTH :..... .. .. ..::.. � ..::........... EXCEEDS 10' - : X•: -::k: '-r� :::: 6X6W2.9XW2.9 SLAB REINF. GROUT -`" as CURB INLET C510 "Ts FlNISHED � GRADE FINAL BACKFILL / � 2•�.�.~�•.•. ( iNrnA� � �'�-�''>;'�. BACKFILI I. • . . . ... . . ... SO�L #67 STONE � p p MINIMUM SIDE WHEN ROCK IS •D. OF PIPE CIEARANCE ENCOUNTERED 12" .D. OF PIPE 12" �AXIMUM SIDE CLEARANCE NOTES: 1. iRENCHES REQUIRING SHORING ANO BRACING, DIMENSIONS SHALL BE TAKEN FROM THE INSIOE FACE OF THE SHORING AND BRACING. 2. NO ROCKS OR BOULDERS 4" OR LARGER TO BE USED IN INIIIAL BACKFILL. 3. ALL BACKFlLL MATERIAL SHALL BE SUITABI.E NATIVE MATERIAL. 4. BACKFI�L SHALL BE TAMPED IN 6" UFTS IN TRAFFlC AREAS, 12" IN NON-TRAFFIC AREAS. 5. ACHIEVE 80%' COMPACTION IN NON-TRAFFIC AREAS, AND 959' COMPACTION IN TRAFFlC AREAS. 6. IF IN EASEMENT 4' TOPSOIL, AND 12" CLEAN SELECT FlLL IS REQUIRED. 7. NO BOU�DERS 8" IN DIAMETER OR GREATER ALLOWED. A5 TRENCH BOTTOM DIMENSIONS & BACKFILL C510 REQUIREMENTS FOR REfNFORCED NTS CONCRETE PIPE 5 N TS 3 ^^A1T°"^.TOR TO � 700 GRAM \ ER MATERAIL. EARTH BAFFLE (TYP.) 2 �-SEDIMENT PIT INLET ZONE "HOG WIRE ATTACHED TO POSTS WITH LENGTHS FIRST CHAMBE�y, OF SURFACE AREA OF WIRE 25% OF SURFACE AREA SEC�ND CHAMBER 25% OF SURFACE AREA BAFFLE INSTALLATION - STEP 1 CLASS #1 RIP RAP OUTLET ZONE CONTRACTOR TO CUT 15% OF SURFACE AREA SLIT IN AITERNATING ��` SILT FENCE WINDOWS FOR FULL DEPTH OF COIR MATERIAL FOLDED 1. DRIVE STEE� FENCE POST AT LEAST 18" FENCE. OVER HORIZONTAL INTO SOLI� GROUND POST 2. WOOD POSTS ARE NOT ACCEPTABLE 3. USE STAPLES 1° APART TO ATTACH COIR MATERIAL TO "HOG WIRE� PERSPECTIVE VIEW HORIZONTAL POST 4. BAFFLE SPACED AS PER APPROVED PLAN. FENCE AND COIR MATERIAL BURIED IN TRENCH TOP OF BAFFLE SHOULD BE 6" HIGHER THAN THE BOTTOM OF THE SPILLWAY \ BOTTOM OF BAFFLE IN 6"x6" TRENCH,� 1RENCH AND TRENCH BACKFIILED ANO FILLED WITH SOIL AND COMPACTEO COMPACTED BAFFLE INSTALLATION - STEP 2 SECTION AT OPENING GRADE RINGS AS REQUIRED NOTES: MIN. HGT. = 3-7/2" FOR DEAD-END MANHOLES, THE INVERT MAX. HGT. = 12° SHALL BE EXTENDED THROUGH THE CONE SECTION MANHOLE. Hcr. = s' oR a' ON THE INTERIOR OF THE MANHOLE, ALL JOINTS BETWEEN SECTIONS SHALL BE PARGED WITH NON-SHRINK GROUT. ON THE INTERIOR OF ALL OUTFALL INTERMEDIATE SEC110N AS REQUIRED MANHOLES, ALL JOINTS BETWEEN SECTIONS Hcr. = is^, s2', OR 48° SHALL BE PARGED WITH PRECO-PLUG QUICK SETTING GROUT. ON THE EXTERIOR OF ALL MANHOLES, ALL JOINTS BETWEEN SECTIONS SHALL BE CONTINUOUSLY WRAPPED WITH 12" WIDE MONOLITHIC LOWER WATERPROOF BITUMINOUS TAPE. BARRE� & BASE SLAB SECTION VARIABLE HGT. PVC END CAP \ PVC TEE PVC ELBOW / �--- PVC END � CAP � PVC PIPE 14" HOLES IN UNDERSIDE END VIEW WATER SURFACE SCHEDULE 40 PVC PIPE� FLEXIBLE HOSE � 1 PVC VENT PIPE \ SCHEDULE 40 PVC PIPE � � ORIFlCE � PLATE PVC TEE FR ON T VI E W RIP RAP� RESTING PAD FOR SKIMMER PERSPECTIVE VIEW SKIMMER DETAIL D2 SKIMMER C510 NTs c4 BAFFLE INSTALLATION DETAIL 6�� TOPSOIL/PLANTING MIX (80% PERCENT CONSTRUCTION CAST IRON RING & COVER 4.0' DIAMTER PRECAST MANHOLE N TS o z .. NOTES: USE CLA55 "B' CONGiETE THPOVGHOIIT, . m Y o ��"O � . . �� � pqOVIUE ALL CATCN BASINS OVEP 3'-8° IN �EPTH WITH S'IEPS 12" .. � � py �� .�-I . . ON CENTEH. IISE STEPS WHICH COMPLY WITH STO. OHPWING 840.66. � �F-Q �. Z OPTIONNL CONSTHUCTION�- MONOLITHIC POUfl, 2" KEYVlAV, Ofl #4 BPA �0'MELS AT Q a'S . D H p� . _ . . . . . 12' CENTEFS MS DIflECTED BY TNE ENGINEEH. �� �: � . N� 2 V r O T-I � . 1' ��' �� � I15E i0PA13 � FOX THE CUNSTflUCTI6N OF TME BOTfOM SLAB. � � �� J � H� � �--t z-i = D � � � IF flEINFOpCEO CANCFlETE �� PIPE IS SET IN 60lTOM SLAB OF BOX, Fl00 TO SLAB O O� S�� GiO:�n-I � . � II �I . A53HUMlON�6T�.N0.840.00. ....: .. . . � WQ�Z�� ^ = 1'1�� D m �� �� �� FOH B 0" TN HEIGMT OP� LESS USE 6" WALLS ANO BOTTOM SLAB. OVEfl . H U Q O�� � 9 � � � 8'-0' TO i6'-0' IN HEIGNT USE 8" WALIS AND BOTTOM�SLAB. A0./UST� � �� � Q Z N� o o X �- J1A J L- 1 X ouarJnnes ncconorna�v. r x� z W ��9 I p� � �.�: CONSTPlICT�WITN PIPE CHQtt13 MATCHING. . . .. � ���O�Q � D D D �� . �� I � . . INSTN.L 2" WEEPIiOLES�AS�.DIPECTED BY THE ENGINEEH. �� Z .? ¢ .�� V � . i . . � INSTALL STONE�DPhIN3, �Oi A HINIMUN OF 1 WBIC FOOT OF N0. JBN STONE IN A . t- N o � '/I � � � m�� � � PoHOUS�FABHIC BAG OP YAiAP, AT EAGH WEEV HOLE�OF AS OIflECTEO BV THE ENGINEEP. d Q �. z � . 1 � � I � � CHPNFEq ALL EXPOSE� COFNEfl5�1". . . . . .� � � _ _ - y -L, __1_, __ J � OflAWING NOT TO SCALE � � � *INCPEASE TNE SIZE OF TNE 6" OPENING TO 8" MR%., AS UINECTEO BY THE � �� � � � / ENGINEEN BV ADOING 2 TO THE WALL HIEGHT A90VE.THE TOP ELEVAtiON A0.1115T � �'�/ 2' WEEP HOLES �� � � � 4�TI?=ES ACCOfl�INGLV. .. � . � Z ZY PLAN zxo oaextnc y � z.. . � TOP SLPB. .. . . N4 BAiI Z- `.� \\��� B. G - e l��, TOP SLAB � . . ¢ m . . � IF qE0'0. TOP ELEVATION � p TOP ELEVFTION �� S rn -r .___� .. � � �! � �. � � t . �UTTEF LINE �y. V H . . .__ _ � \ - . _ � A4 BAR Z-� � O �� OPENING e"• A . � . 4 �`�� . s _� ' Z '�C. � W _ "' m � _ _ e a s;, �'�- -'Y - - - Q � °- M TOP ELEVATI�N ���� �Z� -- � � �� _ ��D �i Ig�, . � . . �_ - --� 7�2� CLH � � Q t � � � ` ' i o i � s �/ �� I o 0� � � �; io7h" O a I / A � C� O \I � i �\I Ii PIPE WALI � 0 � � 77 1 \ /_ - �� l� � � �(THICKNE93 VAHIE9r Q = . . m o ° � � � ' °� ` �\. �� j iMiri.`i '� � � � z � o�c � °"1 � ��' -- -- =�� � . I __m � __ aaa,caz �Z � -O Ci D � m \ - �� � � � � SEE NOTE I . � a N � . - m�D. Z �-SEE NOTE � � . H � � -� � SECTION X-X SECTION Y-Y PART SECTION Y-Y = O . . . . � � � � � . .. . � . . SHOWING �UETAILS AT �OPENINfi � � Z .� �� 31 � � � � � � MIN. UIMENSIONS AND WANTITIES FOH CONCHEfE GATGH BRSIN (BqSE� ON NIN. HEZaHT� H) � W W � W � DIM'S OF 80% 8 PIPE HEIN�ON.CING TOP 8 BOT. SLA9 CII. Y05. CONC, � TOTAI WANTITtE3 � OEOUCTION I OE�. ONE � D PIPE SPAN I WIDTH HEIaHT BMS -% BPPS Y BN15 - Z UIHENSIONS IN BOX BOX 8 SLABS ONE PIPE BOPENtNGA� V BAI .____. T___ . _ _ _ _._ - . -. _ .... _...._ ._ .__- _ _.--___. � U� � o p B ��H NO LENGTH N0. LENGTH NO.I �ENGTH � G or sue *. sue YpLL�ff M lBS AFiNF. m' (tl]N N� C.S.-� p C. I Yo3� � � N � �� � 12"� 3 6' 2�-3 1 10�� 4 3�-0�� 6 4 3 2� 4 3 4-6�� � 3 3 0.181 0.2�1 0.250 2") � 1.046 0.015 O 032 tl.046 �O � z � . � 15" 9.6" �� 2'-3" 2' 1' 4 3-0 . 6� a 3' 2 4 3" 4' 6' a' a 0.101 0.2�1 0.250� 2� 1.100 �.023 0.03fi I O.an6 V . � � 18" 4 0' ! 2`.g" 2` 9" 5 3'-s" � 4'-9" Z I 4 9' s' 0" 3' e" � D.226 0.340 0.284 35 1.3]9 .0.033 0.049 '�, 0.053 . � .� � 24" 4 0 2'-e' 2' 10" 5 3' 5" �] 4' g" 2 y g 5 0"_ i 3 8 0.226 0.340 0.204 35 � 1.5z1 0 059 : o a05 0.053� � � . .. __ . __ " . _ _ _ . . . ___. ,._ _ �� �� 30" 6 O � 3'-6' 3 4' � 5 a 3" 9 4'-9' 2 I� 4 9 5 0' � 4 6 0 2]8 a � 0.915 3 1.816 0.092 �� �0.12� 0.053 �� � _._ _.- ._. .... -_ . - - _ ___ - _. ___ . 4' ' 2 0.340 0.510- 0.352 St . 2.390 O.t32' 0.1]8 0.059 . 36" ' 3' tU' 5 9' i0 5-3" �5 3 5'-6�: SHEET 1 6F 2. . . 4 8 4'-0 I 5 0 . SHEET t QF 2 o/� a2" 5 0�, q'-8" a 4'. 5 5' 3" 72 5-9" 2 I 5 9 6' a" I 5' 6" o.ao] 0.617, 0.389 se p,g�q o.18oj 0.243 0.066 �{14V.04 �� � 48" 5 0' '�.� 5'-0' 4' 10' 5 5' 9" 13 5-9�� 2� 5 9� 6' 0" e' 0" 0.444 0.688 0.401 � 68 3.298 0.2351 0.31]I 0.066 840.04 o°m W � uz"c�n. p rn � .N-I . . . . ' �d° RAD. . . . .. �¢ Z a A�Op � . � . � I� � � . . . H��U o � mZ�=D V � � . . . . �I V � ..W _ � . oo�iZ ya � I �2�-.3" X �/q" THICK ¢� =�D.ym .. . �:5. � . . .I 4 ` a i. � HOUND�.-0B SQUAfiE� � FUQOx � . �. (Z!� � O I- . . I � . m m � CUT WASHEP . � Q � � �H . x. o � .. �- y. � a r Z�O�.ryT . . I . .. . �� � .m.� . . � i�:�2 - HE% NUT � � � .. ��{L�%J n.��D� . � 12' . I --�12" . � . � � 6„ �_ � �Z�p,�,�¢ <� � , IW � �� �'Z � _'-__- DETAYL OF HANDLE � o° . . .. . .. W �. . . .. . 7�LN. � . . . . . . . �..1 v2 �� � � #3 BARS "X" . 1 Y�,� . . . .. . � ����n � � CLH. � EQUALLY SPACEO� � � CLfl.� � � � � z � Z� F .. COUNTEflSINK PAHT WHEflE HAN�LE IS LOCATEO 1" ��N . � . �� � � .. . . . AND ALLOW HANDLE.TO MOVE VERTICALIY. � � . a mm' PLAN _ �m �m � � . . PFiECAST Ofl CAST � IN PLACE TOP SLAB ,,��. . . . . 0 '_' �.� Q � . . . F . .. � . -- - Y" PIPE SLEEVE % 3„ LONG. �..Q W z � �N � � H4 BAHS ,•V" � HANOLE��,-1" PIPE SLEEVE . . � � � ��% H. = z� �I � ;' PART SECTION � f- a Z� THPU COVER SHOWING HANDLE �. Q� c�D � . . ���� � °¢O�C�v �,y�o � a�j . �. W C. � . . ...I�.� .�N3� BAFS �ix„ .) � � �� Z �F � ' � p � � � EOUALLY SPACED � � 4 Q �_ H� v ,y�" c�n. F- z r- � n� SECTION V-V r__ ;__na sne = a�v m�� - ' N°r i � J p N4 BAHS „V" � 1 � . Z~ _, �, - _�_-s,7 W w � 11i2°..CLH. _., _-� - _ _ ��� CLIi. . � EO � EUIIALLY BPACEO � � �. . . . . �� . .. y ..a �-N3 BARS .��x„ � � . . 6' . Z +- o Z �I � DOWEL c� SECTION W-W SHEET� 2 OF �2 � .. . � . . � � �. � � � . SHEET 2 OF 2 84d.04 840.04 4 A4 NCDOT OPEN THROATED INLET C510 NTs 3 k GROOVE JOINT BEft '0' - RING NECK CONCRETE DT SHONM) 0.12 INZ/FT OPENINGS AS i (BY MANUFACTURER) ° PER F00T /ERT OR �,� N0. 57 STONE f N TS SAND, 8-12% SILT AND CLAY, AND FINISH GRADE 3�0� 20� ORGANIC MATfER). ; ; - I' = 1 (2) 10" PERFORATED PVC VARIES, 1'-6" -�N/ FILTER SOCK 1'-6" O� H�(�F� TO AREA DRAIN (SEE PLAN) (CAP END END - �'OINTS) _ ; .:_r j ; �57 CLEAN WASHED STONE ' i/ .-%' - RAP STONE IN FILTER FABRIC � � ". ,,: ,.; - ( - - � �_�- � I �- III �I�_ ��� ��� _III '' I c4 LANDSCAPE UNDERDRAINS IN ISLANDS N TS "C" ENCLOSURE ; ENTRY uNIT CONSTRUCTION SPECIFICATIONS DEWATERING CONCRETE BLOCK 1. LAY ONE BLOCK ON EACH SIDE OF THE STRUCTURE ON ITS SIDE ON THE BOTTOM ROW TO ALLOW POOL DRAINAGE. THE FOUNDATION SHOULD BE EXCAVATED AT LEAST 2 INCH BELOW THE CREST OF THE - STORM DRAIN. PLACE THE BOTTOM ROW OF THE BLOCK AGAINST THE EDGE OF THE STORM DRAIN FOR /'�'• •' �' •�� - LATERAL SUPPORT AND TO AVOID WASHOUTS WHEN OVERFLOW OCCURS. IF NEEDED, GIVE LATERAL �'� `��$� ��'0 � °� SUPPORT TO SUBSEQUENT ROWS BY PLACING 2x4 WOOD STUDS THROUGH BLOCK OPENINGS. � g � � Yv CAREFULLY FIT HARDWARE CLOTH OR COMPARABLE _"�_ � � --�_ 2. WIRE MESH WITH 1/2-INCH OPENING OVER ALL BLOCK OPENING TO HOLD GRAVEL IN PLACE. �p o o „aoo � _� 3. USE CLEAN GRAVEL,3/4-T� 1/2-INCH IN DIAMETER, PLACED 2 INCHES BELOW THE TOP OF THE f � O ° o BLOCK ON A 2:1 SLOPE OR FLATTER AND SMOOTH IT TO AN EVEN GRADE. DOT #57 WASHED STONE -�� -` a , IS RECOMMENDED . _ �� �o�o ���o� e MAINTENANCE -` �..� 2:1 SLOPE, GRAVEL FILTER 1. INSPECT THE BARRIER AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (� INCH OR GREATER) RAINFAIL AND MAKE REPAIRS AS NEEDED. 2. REMOVE SEDIMENT AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR SUBSEQUENT RAINS. TEMPORARY SEDIMENT �RE SCREEN 3. WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN ADEQUATELY STABILIZED, REMOVE ALL MATERIALS POOL DEWATERING SALV E DISPOSE OF IT PROPERLY. BRING THE DISTURBED AND ANY UNSTABLE SOIL ANO EITHER AG OR AREA TO PROPER GRADE� THEN SMOOTH AND COMPACT IT. APPROPRIATELY STABILIZE ALL BARE AREAS AROUND THE INLET. � ,"`-;;�;„;;�;�;I��:,'•'`;'"::'"•"'•`:';�,_ 16" 1°MIN. 2'MAX. I. SPACING REQUIREMENTS DIRECTION OF SURFACE FLOW � \ NOTE: SPACING DISTANCES WILL VARY, BUT o� � ARE NOT TO EXCEED 100 FEET. II. SIZING REQUIREMENTS: J15, J25 UP-GRADIENT SILT FENCE AND J-HOOK ARE ONE CONTINUOU BLOCK AND GRAVEL INLET PROTECTION START DOWN-GRADIENT SII.T FENCE LINE AS CLOSE AS POSSIBLE TO THE UP-GRADIENT J-HOOK J15 - FOR CATCHMENT J25 - FOR CATCHMENT AREA <0.25 ACRES AREA Z0.25 ACRES >30 DEGREES DIRECTION OF NOTE: / SURFACE FLOW J-HOOKS SHALL BE USED WHEN THE SILT FENCE IS INSTALLED AT �agp AN ANGLE OF 30 DEGREES OR GREATER FROM PARALLEL TO THE /S7a CONTOURS. ,a��CONTOURS A3 TEMPORARY SILT FENCE J-HOOK (TYP) N TS 2 N TS ��`��Ar�� � .�-,�i�=ir=..0 n n=i .:ir=n�=ii=u=ir=ir=n ii n: - - =t1=tL II. Il,- ������C��. . � =n.,-,. VARIES PERMANENT SWALE TABLE PERMANENT RIP-RAP LINED SWALE 1 N TS D C � W o `9 o ° `" �arn N � � �Q�� � z � i ���M ('� O cV N N �V> a ^^N � vo'a�� o�rn� � � O J X �zwQ a �- � > _ O � � W � J � Q � �� B � � L x � m cv . L •� � V � �� � � � °� Y L -� p O O N � ���' o � ; ���� � a; oi rn � � rn rn .� c co d � � U � � L N a N C� � � � C6 J � � � d a� � � � Y . � i p � O � Q � N s ���� (,� Y N ~ O � Q � � `m � � o � r U � m v°�i � Q Oa�z° �����iininiriii��� ,,,,��`�o��H CARp�� % ;�� � Q�pFESS ,yq� '% = 028419 = = t � .�� ; �'���q FNGINE.E`� �0���\ ��T �M� � ���� v��� ��\ . SEAL NOT VALID U�S SIGNED AND DATED � � � � � � r � � � � � � � � � � � o � � � � � � � - � � � � � � � � � � �� � - T � � � � Issued Date By DD 09/30/11 GML DWQ SUBMITTAL 10/27/11 GML �WQ RE-SUBMITTAL � 2/20/11 GML Project No. ��� Checked BY GML Drawn By �� Drawing , EROSION_CONTROL ''�, DETAILS File Name C5101.CAT Sheet C5102 10 15 � C � � A 5 I I RIPRAP' OULET ` A3 I' PROTECTION C51�04 ; 18" CONCRETE_ � � �PRESSUR� PIPE I � 1� `� \\ ---� � , � \ _ _ � O \ \ .p�� `� i � I� I � � �\ � / 4 \ , A5 , , � � � � \ �___-- - ��� � --- , C5103� � � i i ; , � � , � �, � / � _ , - � ' i � � i � i i � I � '----' i �� � �� / � I I J i� ��� � � / � � � � .. — —. /ii�—\ I I � � i�� � � � � / � � - � � � l � i � -- � � l � � I / � � '� -- --, � �3 � EMERGENCY '� �� � " �5104, SPILLWAY DETAIL , � � „ `� ---'�� � \ \ \ � �/ � I � / - � ��� i I I-___ �— �. "�, � J � \ � I � I � � .. � _� � � _ � �\ i � — — — -- �' • 1 �'� %�, ��` � �i � � i i � � — �� o � � \ � �� `�. i � i i � � �------�'- i ----' -! �� � � � �/ / / / / � / � / \\ \ � /�/ I I i I I � _—,' � � / \ ° �. �J ' � 1 � . ----- � t<- � �\� 1 � A� � i �- � � , � � � � , , - � � 51 3 � �� i / � ; ,' � \ ' � \ \ �� �� i e � � • � � �� �� i OUTLET CONTROL C4 � / � !_� � 1�� � �� ��, �� STRUCTURE C5103 � � � � ( � , / � �' : � , \ � � � �V � �� � `� � � - - - � � � � (� � ` / � � �� �� � � � 1 � � � i �� / �� ��' 1' � � � � � /� /� / �� � \ f \ : \ � /� , -- , , ,� :' � � � }� , 3:� � � . � � � � j 1� S � � � � � _ � / / / � / � � ' � A / � � � - i i �� � i � � �� � �� � � � � i i �� �' i i �� � ' � ��� �� 1� i 10.p�pAM i �� ��' _- � � / � � � WF(�T � , � � �� , � ,� � 3;1 � i � � ` v� � � � � , H� ,� ,,- � _ — i � /i � �� ► ���: � � i � ���� i / � i � � � ► � , , , � � � i � � � .� � . ` , , / ,�' -- _ i �� / i /� /� /� � � \ � ' . 1b,�0 VE�ETAT�D,�H�L�` � ��� --- i� � � � � � i J � � 1 �! i i 1 �� � ' , � , � ,��,,__- � i i � � � l� V �i i � �, �, � � _ � I ' � � i i _,- n . , � � ,� � ! �, ,� ,� � -- i � ( .� ��i .,� �_�—���.� � � i � i �� �� / ��� � � / ,,- BMP#2 � � i ��� �---- � —t— i � r � V ` " i i ,' � ,' i ' � NORMAL POOL EL. 204.5 ; ; ' �� �� - � �� � �� � ', �� �'/ ,�,',� , ,',--�� BOTTOM OF POND EL. 198.00 � � � � r- � � `� � �i ,��/ ,,� � ,� �'/ ��',' ,---- / / � � 1 1 \ / � � �� i i i� � --- i � � i . i � � � � � , / , � , , � i i i —' , � i � i I �l � �'.- � � j � ��� i � �� � / /� ��� i i � � �,--' ,' �� �/ i i i � �' i � � � � � � � ' ' � � � ' � � � � � � i i ��� ,' / i i i � i ---� � � � / � � , � � �� 1 -' �� �� � �� �� �� l / � � � � � � � 1 �� i i � �� i �� � � �j i i i _ _ � , � , � ' i r � i � \ � i i ii � ` , / , � ,� ,� - , � , i � � �� � � � �� �1 i � , / � , �, ,' � , � � `. �� � �i \ \� �, �. \ � \ � � � �% � � � �' � � ,' % / � c2 BMP #1 - PLAN VIEW C5103 SCALE: 1 " = 30' .. . , .. -��� .� _____ PLACE CEMENT MORTAR CONCRETE PRESSURE PIPE JOINT DETAIL NTS 3Ya"LAP � PLACE CEMENT MORTAR IN JOINT SPACE S ECTI 0 N H PROVIDE CHAIN AND �OCK FOR WHEEL HANDLE GA�VANIZED 3'x3'x3/16" TRASH RACK 0 � 3 HAND CRANK FOR GATE VALVE � � 6" PVC WITH TURNED DOWN 3.0' ELBOW — CAPPED — EL.=204.50' 2.0" HOLE DRILLED IN CAP " DI GATE VALVE PRECAST CONCRETE � � — � � BOX � �� 1" Qi EXPANSION ANCHORS TYPICAL 0.5� ��\ FILL WITH GROUT EACH SIDE EACH � � SIDE BOTTOM EL.=199.00' 4 SPA. C�? 8"=32" a a d , � �d a . a . a .o d _ a ° <.. ^ ., °. , ANGLE IRONS: ° � 4"X4"X5/8"X3'LONG „ 5.0' TYPICAL EACH SIDE 18 CONCRETE PRESSURE PIPE FASTENERS: INV.= 200.00' 1" 0 EXPANSION ANCHORS � 8" O.C. 12" (MIN) SECTION VIEW 12" MIN) , I .. —_ I ... ( ° �—) I— � � -i I I-1 I I— ' CONCRETE CRADLE (MIN 2000 PSI CONCRETE) PLAN VIEW �c4 OUTLET CONTROL STRUCTURE C5103 NTs 18—IN RCP PRESSURE PIPE SELECT FILL PLACED AND COMPACTED AT 95� STANDARD PROCTOR MAX DRY DENSITY AT PLUS 2�-3� OF OPTIMUM MOISTURE CONTENT TO TOP OF PIPE � —���iii-- : ::.:.. I — ..... (i 4. d 4 a SELECT FILL PLACED AND COMPACTED AT 95� STANDARD PROCTOR MAX DRY DENSITY AT OPTIMUM TO PLUS 3� OF OPTIMUM MOISTURE CONTENT TO MIDPOINT OF PIPE PRIOR TO TRENCH EXCAVATION �B4 CONCRETE CRADLE DETAIL C5103 NTs � : TO DAYLIGHT >.50' GATE VALVE ND CRANK .��E IRON 4" X 4" X 5/8" X 3' LONG TYPICAL EACH SIDE LIMITS OF CONCRETE CRADLE 2.5� ------- —I-- 2' #57 WASHED STONE o . �. � °� 6" SOLID WAL� PVC �. . . ° ___________ TO DAYLIGHT �— ° VARMINT SCREEN TO . ° � BE PLACED ON OPENEND. -.—°-- . o, . FLOW ' �. ° � 18" CONCRETE 7•0� �° PRESSURE PIPE o•: .o .—�,—• o �. . ------- � — — ------- 0 . �a LIMITS OF 2•5 ° . CONCRETE CRAD�E � ' °� � .� o . .o � . 6" PERFORATED PVC COLLECTOR PIPE 1' 3' #57 WASHED STONE PLAN VIEW 2' I� 6" SOLID WALL PVC TO DAYLIGHT VARMINT SCREEN TO BE PLACED ON OPENEND. COLLECTOR PIPE TO BE CAPPED ON BOTH ENDS 2' MI(�'. 2' FLOW . .� � 18" CONCRETE — 5.4' � . PRESSURE PIPE 1.5' � . MIRAFI 140N GEOSYNTHETIC FABRIC WITH 18—INCH OVERLAP AT ALL SEAMS (TYP) PROPOSED GRADE ON DOWNSTREAM SIDE OF DAM 6" SOLID WALL PVC TO DAYLIGHT VARMINT SCREEN TO BE PLACED ON OPEN END. FILTER DIAPHRAGM DETAIL N TS � � o� o° � ^ � M N � �Q�� U c�n z '"� � J W � N N N "V > ¢ --�.���•, � ���� o � 6, a, '� � O J X � zwQ Q �� >_ o � ,,,., W � J Q � � D � 5 4 �a5 SECTION AT PRINCIPLE SPILLWAY C5103 NTS 3 2 � C 0 � c � .�, � 0 L 0 �L � � � c .� � � � N � U � � L a�i Q U � � c c� 9 c .� a� � .� � � � V � � L Q m °� � o t d U- U �� � o � 000� � � � � 0 ��� � �;�� a,�� � � � Y _O � O Q m N � ��@� Y O H O a�� � m o � V m �� o a � z° �� � �����„� � � � � � �,,,,,,, ���`���N �ARp ''%, \ \�.�� �QFE �q �j '�i 028419 ; �Z a�t o ; �',��q � � FNGI NEE� � ��O ���� %, ,�;T � L'v�� \,� � '''���������������`` d . .� ,� �, i t .� 0 � ,� — . , :. � .. ,, . . , � . — ,� . • w . . . � . .. .-. . a — V • � • � � I „ I • • Issued Date By DD 09/30/11 GML DWQ SUBMITTAL � a/27/11 GML DWQ RE-SUBMITTAL 12/20/11 GML Project No. ���� Checked BY GML Drawn By �� Drawing EROSION_CONTROL DETAILS File Name C5101.CAT Sheet C5103 11 15 D C � A 5 — ____ --- — _ _� � � - - -_._. NORMAL POOL EL. 204.50' BOTTOM OF POND - EL. 198.0' 5 " A5 C51( � : - _' - - --- — _ _ — --_. _- — � v 9 9 z � m y � y c O a = C'! � S Nm „m mm ._ m g w r f r 10' VEGETATIVE SHELF _ _ _ _ --- 10:1 MAX 6" CLAY LINER. SEE SPECIFICATION THIS SHEET DAM EMBANKMENT NOTES: _ _ - _ _ _ _ 15' 3 10' TOP WIDTH 2 VARIES PLACE TOPSC ON EMBANKME AREAS ABOVE � M PX �P� ��1 7 N E� C LAY C 0 R E S� � 3� 1 tij� ZONE ��9� _ - - - SH ELL Z __ , ---=_ - -_ , -_ _ _ _ - - _..___ STRIP AND STOCKPILE TOPSOIL - - - - - - - - VEGETATED SHELF � '� EXTEND KEY TRENCH TO HARD `� o CLAYEY SOIL - 3' MIN. 8' KEY TRENCH 1) TOPSOIL BENEATH THE EMBANKMENT SHALL BE REMOVED AND STOCKPILED. THE FOUNDATION WILL BE PROOF ROLLED AND ANY SOFT OR ORGANIC MATERIALS WILL BE REMOVED. 2) ALL MATERIAL SHALL BE COMPACTED IN 6-8 INCH LI�fS TO 95� OF MAXIMUM STANDARD PROCTOR DRY DENSITY OR HIGHER (ASTM D-698). THE CLAY CORE ZONE WILL HAVE A MOISTURE CONTENT OF OPTIMUM TO 4 PERCENT ABOVE OPTIMUM MOISTURE CONTENT. THE SHELL ZONE FILL WILL HAVE A MOISTURE CONTENT FROM 2 PERCENT BELOW OPTIMUM MOISTURE CONTENT TO 4 PERCENT ABOVE OPTIMUM. 3) EMBANKMENT FILL: SHELL ZONE: SOILS WITH LESS THAN 30% PASSING THE N0. 200 SIEVE OR A PI OF LESS THAN 10 WHEN THE PERCENTAGE OF MATERIAL PASSING THE N0. 200 SIEVE IS GREATER THAN 30 PERCENT. SOILS WHICH ARE CLASSIFIED AS CLAYS (CH OR CL) SHOULD NOT BE USED AT THE FACE OF THE SHELL ZONES. CLAY CORE ZONE: CH, CL OR SC MATERIAL WITH A PI RANGING BETWEEN 15 AND 60 4) NO FILL SHALL CONTAIN ROCKS OR GRAVEL LARGER THAN 4 INCHES IN DIAMETER. 5) A PROFESSIONAL GEOTECHNICAL ENGINEER SHALL APPROVE ALL MATERIALS USED FOR THE EMBANKMENT AND SUPERVISE CONSTRUCTION. 6) ALL DISTURBED AREAS ABOVE PERMANENT POOL SHALL BE SEEDED USING THE FOLLOWING GRASS SEED MIX MANUFACTURED BY ERNST SEED COMPANY: Carolina FACW Meadow Mix ERNMX-182 ..: :.. ,,! .', ; � ' ,�' �:.C. . ...:�� � ���;, , " • ,. ���86:6 9989� � .." � ,�.... ....�, � \ \ , ����: ��r���� - 0������ � ' '�' ��� '�00 - �' � '�" "�' � "� .'�. " �� '�" "�' '�'� "�' �"'��' a����� ������� ������ ������� ,...... ������� ��.....�.�, ������� ������ "�_ �� '�_' . '�" �� "� _____ �:�d:3�:������ CONCRETE ENDWALL PER NCDOT STANDARD 838.80 4 N TS 3 DAM EMBANKMENT DETAIL N TS TOP OF DAM � EXISTING GROUND CLAY LINER NOTES: IN ORDER TO HELP SUSTAIN THE PERMANENT POOL AND TO PREVENT WATER FROM INFILTRATING T00 QUICKLY INTO THE UNDERLYING SOIL, THE CONTRACTOR SHALL INSTALL A 6" THICK CLAY LINER ON THE BOTTOM OF THE WET DETENTION POND AREA UP TO ELEVATION 204.50. THE LINER CAN BE ACCOMPLISHED BY BLENDING EXISTING SITE SOILS WITH CLAY TO ACHIEVE A LOW PERMEABILITY MIXTURE OR BY INSTALLING A GEOSYNTHETIC LINER MADE OF A BENTOMAT C�. IF THE CONTRACTOR CHOOSES TO BLEND THE EXISTING SITE SOILS WITH CLAY, THE ONSITE GEOTECHNICAL ENGINEER SHALL DETERMINE THE AMOUNT OF CLAY TO ADD, THE DEGREE OF COMPACTION, AND WILL OVERSEE THE INSTALLATION OF THE CLAY LINER. THE MAXIMUM PERMEABILITY RATE FOR THE LINER SHALL BE 0.72 CM/DAY. THE PROPOSED MATERIAL FOR THIS LINER SHALL BE TESTED BY THE ONSITE GEOTECHNICAL ENGINEER PRIOR TO PLACEMENT. THE RESULTS OF THIS TESTING SHALL BE SUBMITTED TO THE DESIGN ENGINEER FOR REVIEW PRIOR TO PLACEMENT. UPON COMPLETION OF LINER INSTALLATION, A LAYER OF TOPSOIL MAY BE ADDED OVER THE LINER TO PROVIDE A HEALTHY MEDIA FOR VEGETATION GROWTH. 3.0 TOP OF ARMORTEC EL. 208.00' ARMORTEC - ARMOR FLEX OPEN CELL OR APPROVED EQUALINSTALLED PER MANUFACTURER'S RECOMMENDATIONS. � 1 100-YR STORM EL. 208.16' ' � , , , �' � — � � � , , ., , . - � � �� . - � � � � � �� � ' � ��� � �'� � - - ' _ j `_ i _i_ , _ ! _ _ _, ' , FILTER FABRIC , . .. n 21' EMERGENCY SPILLWAY DETAIL F��W i �� � -- --- i FL�W � i � � - � �--=---=---- �------ � ' A3 C51t N TS ���� � t�a�l� !��l� � � ���i,ri,� �••���������• � • ����+ � ���+� � / '% � ''a �+• �' . ' . - � • - ��r��l�� � tr� �.� ti1 � � • � . '"T� � ` - �±� �� t�� � . . . . : � • • • `�' ��'S� �� • • �� �.• •��• � • � � •� • � �•�� ������'� �!� � • �,������� � �� ��a! PLAN VIEW A5 1 CONCRETE ENDWALL FOR 18" PIPE 5104 PER NCDOT DETAIL 838.80 NCDOT CLASS B RIPRAP 10' � ��� �+1� � � � ��a� 1 ��� ���1� , ............................: , � SECTION A-A RI PRAP OUTLET PROTECTION 2 N TS 1 � W � � � � � � N p I�- Q � � U�z�� � M �W � N N N >_ Q ��� N � U � � � � � � � l.� � � O J X � z W Q H � > S O � i„-� W � J Q � .'� TOP OF DAM ELEVATION 210.00 � C � C � _c x � m N 'N L d � U � � � � 0 °� Y s- p N GO C6 .0 � p � y � � � • � O22 � � � � � � � ti � � Qj � � � � � � .� � � � L � U � L L Q N Q N V N � G (B J � � Q L � � Qi � c � . � c� o a o W ¢ � N L � C M '� C j Yol� o � a��m m o � V �� ¢ o ° � z ��,,�,����������,,,,, ,�,��\��`��N CqRO�i'� ,, , Q�0 E rY,� '% - EAL - = 028419 = ; � , �t ; �'���q FNGINEE� Gp���; i�///�' //�I I � � �1�`\ \\\\\�� �� SEAL NOT VALID U�S SIGNED AND DATED � .. .� ' ! !� .. 4 ' � �� --i • � :. � • �. � .. � � . � � � . � w . • . � . .. .-. ; -- — V ` � • � � i i • • Issued Date By DD 09/30/11 GML DWQ SUBMITTA� � a/27/11 GML DWQ RE-SUBMITTAL 12/20/11 GML Project No. I���43 L Checked BY GML Drawn By �� Drawing EROSION_CONTROL DETAILS File Name C5101.CAT Sheet C 5104 12 15 � � s K � rn m '� � m � � � � m m � � � � v •� °oo°o d � � � � o � � � � � � � � rn rn � � rn rn .� C (6 N � .... V � .-.. � U L � � V � � � � J � � L � Qi fn � � N � •� O � O � Q � N L � C M � C V �oH�o � Q � � m � � o � U y � Q O a � Z \�����11IIIIIIII/��� / ;�`�\ ����p ES CpH O`/ ��'; Q� � - AL � = Q28419 = ; �������� O ; �'���'q FNGINEER �O ��'\ ,�T M., �,� v,��`�� � SEAL NOT VALID U�S SIGNED AND DATED v �, � � � re 0 � � '� —.r • � :. � � • � . � � � � � • � � � • • � . � . � .. i• i � V • � • � � i i .. • a Issued Date By DD 09/30/11 GML SUBMITTAL �10/27/11 � GML RE-SUBMITTAL I12�20/11 � GML Project No. ���� Checked BY GML Drown By G� Drawing EROSION_CONTROL DETAILS File Name C5101.CAT Sheet C5105 13 15 � C B A 5 5 4 . � / / . a'�/ � 2 �5g�6 g`L / PARKING FOR / � MODULAR UNITS ANO FUTURE CORPORATE BUILDING i 5.70 AqtES / -N33'04'32"W 121.69'(TOTAL) � � N54°30'47"W 113.80' N84 37'3 1"IPF 231.22 3 (CENTERLINE OF SAM'S CREEK IS PROPERTY LINE) (AREA CALCULATED TO CENTERLINE OF CREEK) 2�� 26 ; p�6 S71'15'S8"W �-87.70' � V60 ��, RF '�s ���'1'F 2 TOP OF RiVER BANK IS PROPERTY LINE (AREAS CALCULATED TO TOP OF BANK) S37'46'21 "E r- 82.88' TOP OF RIVER BANK I�� IS PROPERTY LINE / �� 46 , (AREAS CALCULATED v 429j9, TO TOP OF BANK) F ^ F /1�� Tnq 2g gp, Fj� / r R SF </NF � ��11��1��II,'i� i'i I � 1 � \ � ,� . � �, � � �( \ i/ Rs• \ A �� � fi I � I i 1 �:,� i I I I � � I,� I I�\�� �� � �\ � � l �' �,� �9� 5��.. � � ' 'I �II��1 1 l l � \ l � 1 \ \ � � � � I 1 �_�� � �e. F � �� %�� ��\i��\I��� \ \ \ � �..� �\ � \ \ '� \� �\ �\ II I ��'�_-_-' ��� ,_, i �� �- ���������� �;� � ���� � �—_=� � � ���'� � � �� � � �--- � '�' i ��riii�t���������,,: . ��`� � i i i �1 i � � � � � � S87°20'17"E —178.84' S26'13'45"W i1i����� �� � � �� _ j� �� I �'����������� :�� � � I I �� �:I I�_' � � � ♦__� /�� 2S�e� ( r l/ � � '1 \� �� l\ \ � 1 1 I : \ /� I � � � � � I � ( , � . . �" ' / 2s�. / > `��� � ���/�� i � i� / l� I �_� I 1� � I � 1 % r���'�.�� � _ j \�\\��\� 1 1 1 � � �\ \� \ : �� � � � � � � � � � � ` ,� � / � / � / � ��\�1i� '� � � A. . � �' �v � �� / � � j � � \` �I � � ( __ _ — � � I � `� � � � \ . � \ `�� � �, ( � � , � , � ._ I ... � � \ ��/ \ � �� � I, ' � �, �'— / ' ' �/ � �.,�„A�\� �� ��� �/ �� A� / � � �� . � � � 1 V � � `� � � � ��� 1 � % ' - / � / �� � __ / ' �1:�A��.� �'� �; ��� � ��.,� ����� 1 / / � � � / �� i— _�_\ — � �\ ,�.�= �� —�. / _ _ � � ' l� . � / �—�/ _""\. �.� � / ���-� <.�--=� ��\�1:.. ��:� � \ 1� \� � j � \�-�� / / _ -��--�`���� �� � r ;---�`\� _ ;;� �������� � � �.� � i� � � �--� �� � '�� .--� � �. ��: �i�,� . �_ � � � / � � _ � � �� , \ 1� �� � �� � �� �� � " — � ���` �`,y'-: -� �� �'�� �� \ - � � � ATER�ILLA�R ¢O�tE POC�- � / � ��� ��� � I � / ';.�"� ��� \�\� � �. � � �� � � 1 _ ��. � 1' �- � � .� � �'� 1 1'��Tl1�IG � ARE,A � � � � � I ; � � j��j^ �1 ) �111,�✓�\ �I '���r l// � �� /�\.'��7' � \��� \ 1 � ` 1Q�OIACRES \\ �� /! -,/-/ " ��.,,,,�/� � , � � ' � / � � �-. � � ` � � f 1 � � �- �,� � � 1 � � :� s � � ��. � ;� -� � , � � , (PF�'/1SE 1) � � � � � i - � , �� � 50 BUFFER FROM SURVEYEO j. '//' � ��-'��.j� I(j�� / ��-'�:., . %^�.-��, .� �� � i� i TOP OF BANK � / j � 1 I � � =� l. /' � _ v� '- ��-' � / � v � � � / °i, � y � ; . � \ � � � � �h � / ; �� ,�'�� ./% i` 1 \ 1 ,.1���[ � �. � � i�/ '� =�.��,� � ���� : �� / �/� i�� i,���� ' �/-���� TOP OF BANK � � � �i r �� �� � , �� i � � �. ,.,. � � � �� r "� � ��i � ' � �� -� � � / �� ,� / � °�`�� I � �� � V��� � � /, / �, / � � � � �. � y / ` I � ( / / , ' 1 ��!` � � � / / 'I �� �:��; � �f � ` �� � , ��`. �� � � � / / I �/ � �/ �� �� �.\ I1 I ��� � 1 � \', � J, / /�, � , l/ / `�1V / � �� � 1 I � I I 1 ► 1 ,`(, ( �\ �' �� � i � � �G� � �- _ ,• _ � l/ � � � ��—��� \ � �� J I � j\\. � i �..� �: `' � � //i i.-1 i� ENTERUNE STREAM D �� ���� ���.�,�_, ��i'=_ � `� ����� \� ` � I ; } ,� ,�/ �/' � --r� '/ - � \ �� TOP OF RIVER BANK SRSZ• IS PROPERTY LINE `�O�RA� (AREAS CALCULATED '9p,`9F, TO TOP OF BANK) s A6. 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' ' �� � � AR�A .OF , i �$� FUTURE BMP � � -�-` � "' �;/ , / ,�" �,`� �� � � _ _ ��: I�RMAI�IEN�'� � �� � �� - � / %, � � � � � � � Fl� � � � � � � � � � � � � ,��_ � , � � - - - _ ASE � ��' � i. � � - -�..�PH iJ � � 01� i, �� � � � J ; � � � � �� _ _ _ -- - � � � �, ,�3�� � � �� � „ �� � , � � � � - , _ ��i V ��\: �,�� � I V � � � �: � � ' � � � � ��.�1 � -- � � i �� ���,� ___ � ��/Fu�� ��rE�niw► /^ � � — : '� � _— ---- - � � � / , RP FUTURE CATERPILLAR ��5ti%g6�� � � �OREI PpG �UI IN � % _ � � 1 , ' } � _ � � � N6 � � �p 89,�C�S ( _ _ � CORPORATE BUILDING � � A � � �� / . � - � �� � � r--_ -_ - � � 1.70 ACRES �' PARKI�G��9R-'R� E � � � V ` ���) ����-�=� r� i �'�� �' I % � ' � i- -- -- � � �� . „ � � � � COI�E �R�-BWI��lG- �. � .l / � % i � , ��P � � � � � �� � � I� � � �,,g� ,��t�.. � � " % / J �:; , ��= � � �/�PyA� 1). � ` � _. 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