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HomeMy WebLinkAboutSW6240403_Plansheet - Other_20240425 (2) (DCC Page Generation) A12016 BASS NIXON 8 KENNEDY INC.EXPRESSLY RESERVES ITS COMMON LAW COPYRIGHT AND OTHER PROPERTY RIGHTS IN THESE PLANS.THESE PLANS ARE NOT TO BE REPRODUCED CHANGED OR COPIED IN ANY FORM OR MANNER WHATSOEVER NOR ARE THEY TO E ASSIGNED TO ANY THIRD PARTY WITHOUT FIRST OBTAINING THE EXPRESSED WRITTEN PERMISSION AND CONSENT OF BASS NIXON B KENNEDY INC. Temp.Skimmer Basin No.1 Temp.Skimmer Basin No.2 Temp.Riser/Skimmer Basin No.3 0 fn STAGE ONE CONSTRUCTION SEQUENCE MAINTENANCE PLAN / i .. -�//J Okay Okay Okay Z W 1. EROSION AND SEDIMENT CONTROL(E&SC)PERMIT AND A CERTIFICATE OF COVERAGE 1.ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY I",�i `�-e'' //---,---/' -/.„,--,1--- ° 89 Disturbed Area Acres ]Olstwbeb Arm Z Z ? (Acres) (Acres) DslurbeE Area(Acres) 'j (COC)COC MUST BE OBTAINED BEFORE ANY LAND DISTURBING ACTIVITIES OCCUR. AND OPERATION WITHIN 24 HOURS OF EVERY RAIN EVENT OF GREATER THAN 1 INCH ./•� -� 0- / / .t,�'' I / PAVE•EN]f y ) y (cfs) y (c) W 336 Peak Flow from 14 ear Storm(cfs) 20.5 Peak Flow flan 10.ear Storm is Peak Flow flan 10.®r Storm fs CR Krlr�{� M1 / / �:il' GRA EL OR' AND FOLLOWING EVERY RUNOFF-PRODUCING RAINFALL BUT IN NO CASE LESS THAN t/ f ,`// / Y'l 2. OBTAIN GRADING PERMIT AND OYHOF APPLICABLE PERMITS.COPY OF APPROVED PLAN ONCE EVERY WEEK. ANY NEEDED REPAIRS WILL BE MADE IMMEDIATELY TO MAINTAIN / // / //2 / // '- / 16020 Required Volume Rs 10260 Required Volume fl' 19440 Required Volume fl' W • WITH APPROVAL LETTER,A COPY OF THE NPDES PERMIT AND SELF-INSPECTION f / / / / RECORDS ARE TO BE KEPT ON SITE AT ALL TIMES UNTIL PROJECT CLOSE OUT. ALL PRACTICES AS DESIGNED. / /i / / / }r / 10929 Required Surface th It fl' 827 Required P.M afla 1256 Required Width fl' Z 0 Y / 73.9 Suggestetl Width R 5]_]Suggatetl W dtM1 It ]9.6 Suggestetl W dtM1 fl a SILT FENCE / ,� / O Z 3. A PRE-CONSTRUCTION CONFERENCE MAY BE REQUIRED.CONTACT NCDEQ LAND QDALTY OUTLET DEVICE /' / 'f / / 147.8 Suggested Length R 1154 Suggested Length R 150.2 Suggested Length R x SECTION AT(910)433-3300 BEFORE STARTING ANY WORK SCHEDULE A 2.THE SEDIMENT BASINS WILL BE CLEANED OUT WHEN THE LEVEL OF SEDIMENT / / A fie / / / F PRE-CONSTRUCTION CONFERENCE IF REQUIRED. REACHES SPECIFIED LEVELS. //y/ �// ::/ / I/\ Trial Top W Width at Spillway Wert fl 55 Teal Top Width at Spillway Inv.-t R T a Top Width at spillway InKnI R Z J Ell Trial Tw Length at Spillway Wert fl 125 T Top Length Iren at Spillway lined fl Trial Tap Length at Spillway!Tit fl D 4. AFTER GRADING PERMIT HAS BEEN ISSUED AND APPROVAL OBTAINED FROM NCDEQ LAND / / Trial Side slave Ratio Al 3 T Side Slope Ratio Zi Trial Side Slope Ratio Z1 H QUALITY SECTION TO PROCEED,FLAG THE WORK LIMITS. r / /�,,.,, © �,� 3 Trial Depth R (2 to 3.5 feet above grade) 3 T.Depth fl (2 m 3.5 feet oboe grade) Trial Depth lit (2 m 35 feet above grade) COZ 3.SEDIMENT WILL BE REMOVED FROM THE SEDIMENT TRAP AND BLOCK AND GRAVEL 4 / 4]Bottom Width fl 3]Bottom Width R 42 Bottom Width R Q 5. INSTALL ALL EROSION CONTROL MEASURES AS SHOWN ON PUN.INSTALL GRAVEL INLET PROTECTION DEVICE WHEN STORAGE CAPACITY HAS BEEN APPROXIMATELY 50R / ¢ © IX.PG I 15]Bottom Length R 1o'I Bottom Length R 202 Bottom Length R V CONSTRUCTION ENTRANCE/EXIT,SKIMMER BASINS,SILT FENCING AND DIVERSION DITCHES FILLED.GRAVEL WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT POOL NO I I ��// LIMITS OF 7379 Bottom Area R' 3959 Bottom Areafl' 8484 Bottom Areafl' INITIALLY.CLEAR MID GRUB AS NECESSARY TO FACILITATE INSTALLATION OF SILT j \ ' - Y / / LONGER DRAINS PROPERLY. / I 1 `V',+' DISTURBANCE 27969 Actual Volume fl' Okay 16089 Actual Volume R Okay 323.Actual Volume R Okay FENCING AND OTHER EROSION CONTROL MEASURES.FOR RISER/SKIMMER BASIN INSTALL \ y on PERMANENT RISER AND BARREL ATTACH SKIMMER TO DRAW DOWN PIPE. / I \ \ LOD) 11375 Actual Surface Area a Okay 6075 Actual Surface Area R' Okay 1303 Actual Surface Area fl` okay aa.-. / \ O n 4.SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES / \ \ O0 0 6. CONTACT NCDEQ LAND QUALITY TO OBTAIN CERTIFICATE OF COMPLWNCE IF NECESSARY. ' 9 J \ NEW PUMP 35 Trial Weir Length R 20 Trial Weir Lengthft Trial Weir Lengthft n N AFTER APPROVAL OBTAINED FROM EROSION CONTROL INSPECTOR,PROCEED WITH THE ABOUT 0.5 FT DEEP AT THE FENCE. THE SEDIMENT FENCE WILL BE REPAIRED AS !ih ' 0.5 Trial Depth of Flow fl o5 Trial Depth of Flowft Trial Depth of Flow R Z N G N 4 OVERALL SITE CLEARING AND GRUBBING WORK. NECESSARY TO MAINTAIN A BARRIER. __ +a�► �-\ _ \/ STATION 37.1 Spillway Capacity cfs Okay 21.2 Spillway Capacity cfs Okay 42.4 Spillway Capacity cfs Okay CC N CO QU 7. PROCEED TO STAGE 2 CONSTRUCTION SEQUENCE ON SHEET C3.8.THE PROPOSED vat♦2"� �_ - \ ` LOCATION ! 3 Skimmer Sire(inches) 3Skim mer Size(inches) Skimmer See(inches) 0OI5 DENUDED AREA=25.75 ACRES.RIVER BASIN-CAPE FEAR RIVER 5.ALL SEEDED AREAS WILL BE FERTILIZED,RESEEDED AS NECESSARY,AND MULCHED \ \ \ \ 0.25 Head on Skimmer(feet) 0.25 Head m Skimmer(feet) o.25 Head m Skimmer(fief) }W Z�O y\ SILT FENCE` / =`= 2OnIceSae(1l4irchincrements) ` 1.5OrificeSan(1/4inchincremerRs) Orifice See Cl W x v ACCORDING TO SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS, / \ DENSE VEGETATIVE COVER. \ / 347 Dewatering Time(days) 3.95 Dewatering Time(days) 3.32 Dewatering Time(days) LL Z \ / o ` Sugggl about 3 days Suggest about 3 days Suggest abwl3 days W W Notification of Land Resources Sediment and Erosion Control Self-Inspection Program: Chafes Grand channel Crania \ \ 4 I J m O Drainage Weighted Channel channel Charnel ChaW \ _I CHECK DAMZ�R a r� CM1mnai Rap Minimum Bottom Shea \ --- / I ' Area Y Flap Sq» S. Valodty Ditm lining \ I MP) TEMP / 2 oD 0 I.D. Deph Depth With arms w\ \ /� DIVERSION \ LIMITS OF Z The Sedimentation Pollution Control Act was amended in 2006 to require that persons responsible for 60 a.ffici. are) I%) ewm Pe.) I'. 1 _ Z a U Rt) R) at) ys0 \ _ DITCH "DISTURBANCE : land-disturbing activities inspect a project after each phase of the project to make sure that the approved \ \ \ _ N T1 1.10 0.95 7.54 1.00 1.17 1.67 0.00 3:1 1.03 0.13 NAG95BN a equal erosion and sedimentation control plan is being followed.Rules detailing the documentation of these \ \_- \ --_ 1 - ^�� __♦ ♦ / (LED) _ X kd A. H G W / _ WW T2 480 980 18.89 1.00 117 1.87 9A0 3:1 4.50 9.]3 NAG 95BNaryuel -it. / r� / -- inspections took effect October 1,2010.The self inspection program is separate from the weekly \ --_'_ // / ,: ____ \ 4\ T3 ]80 ONO 33.79 1.10 2.02 2.52 0.00 3:1 2.70 1.39 NAG 95BN pr.. / �� self monitoring program of the NPDES Stormwater Permit for Construction Activities.The focus of the T4 1A0 oe0 4.33 o 50 toe Ise 0.00 a 1 123 \\\ 4 SILT FENCE \ //�/ / / // // / / El / // ♦:/ -/ y fir/ F)all self-inspection report is the installation and maintenance of erosion and sedimentation control measures oaa NAG 95ary a equal ` \ OUTLET DEVICE r/ / / / I / / / / / .7 es Z T5 260 060 12.13 0.50 1.13 163 0.00 3':1 3.16 0.35 NAG 95BN air equal --- \ / / / / / / / / / / -- Z �0 according to the approved plan.The inspections must be conducted after each phase of the project,and / \ 1 3 ` I/ • 1 / / 1 / / / / / / , / _ _ Q y T6 4.10 0.60 1T]6 050 1.31 1.01 0.00 3:1 3.47 041 NAG 95BN or equal Volt nn¢d Until permanent ground cover as shown on T] OAO OVA 1.73 3.30 0.30 0.00 SAX 3:1 3.94 0.79 NAG 95BN aequai \ ' \ \ s / / / / / / / / / / / / / / // // // Z O cv 2 the NPDES Groundcover Stabilization timetable.The Self-Inspection Report form is available as an --'t'-- �' \ \ ` ' \ I / / / / / / / / / / / / N I -_ ¢ W sP ¢p TB 1.10 980 4.]] 5.00 0.52 1.02 9A0 3:1 5.92 1.82 NAG or 7,L,_ /\ \ : / / / / / W O J J m Excel spreadsheet from http://www.dlr.¢m.stat¢.nc.us/pages/sedementation new.html.If you have questions T9 580 0.60 2426 5.00 0.69 1.19 2.00 3:1 0.72 2.14 NAG 0125BN a equal \ \ \ �� (-eL�'` .�\\ I . / / / / / / / // / // / / / / / / / W XD -1 rL cannotor access the form,please contact this office at(919)791-4200.Contact person responsible for \ \ \ \ a' /. ,\ ,/ �� l 1 // I. / // / // / / / / / / // / / / Q Alt,CZ =O0 Z maintenance:Pat Wells w/Community Management Corp.(919)981-0060. I ' \ \ \' ` ��` / / / / / / / / / _'1 J m I \ \ RISER BASINS W/24" •-z2p' "\ / / / Q. Z N v� / I J V j e° / / / / D. d O1 0 / / \ I ` HDPE SLOPE DRAIN v I vt // 4 / / / / / / / / / •( Q / J/ \ I \\ \\ f�f // I / - ��` ___JR\- / �. // / // // // // / // // / // / / TAT:3529'29.9100" IIII f„)Z fa.1 / 1 ���n` \ l f /1 `\ \ ./ k / / / / / / / / LANG:-]B44'44.4620' ////�O ti BORROW )t / ///I IN �� ;,,, - / LIMITS of m w �'� PIT IF � //! A t ; i / / DISTURBANCE / / / �/ / IL,. v ' NECESSARY SILT FENCE �� / LED) OLD STATION - PHASE 3 .' / ) OUTLET DEVICE �Q _ •�� / > PHEjSC�f / ,.........0.." „/ %/- / /Rwp Ty �/ / /�� // / // // // / / / //� /� // / t / \ '�j// I I / / / / // // / // // /// ti / DEEP GRAVEL TEMP. t t /^ 1 / �-i/ / 'f7° 15 / / / / / / / // / / / / h4 / I CONST ENTRANCE BAFFLES IP /17' / / / / / vCO �/' SILT FENCE I I /// /r i / / / / / / / / / / ' / OUTLET DEVICE _-i 1 ::�.,.1 / /�// �/ / /i' / // / // / // / / / / / / / // / / // l \ --/ Z O 71 (( II L - /Air .., // ,/ IEXISTING POND i /ice � / _ �/ // // / // / / / / / / j // / /��� 1.rc cc • -t=-•,,,j - //// / IX.STKPILES FROM / / / / / /v W ��- �- - // / - 2]z Hj PH7 TO BE USED IN PHR / / / / __,.. Q / / / / / / /] / / ////' / '' ]2� / / / / / . /1 /e' / / // / / / /tea CC A SILT FENCE !�% '// // •� .-- -- -�-- //// . / / i� / - ��� / / /rye / / // �� Z Y E OUTLET DEVICE / :,/ // / _ i / ' / / / / / g Z m jj TOPSOIL �` �'//�/�/� // �/ // _ �� / / // / / I //�� LEGEND o0 SPOIL / / / /��/ / / // / / / /% O N ��/ / //r/ / ///7 / // // -- / ig01 / // %e / / / .. TEMP LOW SPOT iii AREA / / / SILT FENCE OUTLET Q W J y �z / �///// / ////// .216-,,�' - - - - I / / / / / I / / ac' TEMP WATTLE o o - o _ a I .6 /+ /// / / / / i - /Gv �_ WATTLE a u Ik>'�/'/ / //// / ///// / // / dot - I - / • / / / Q O II F f % / - ,-265- / I 1- ,A / / / / J�TEMP / / / / // -------_ / TEMP INLET PROTECTION Z~ U Ili LIMITS OF ///� / / // DIVERSION / / / // / / / 1 /\\\ (NI m N J a DISTURBANCE /'r I�� / /./ / ///DITCH / // / / / /// /// - _- I 7- J / / \ / / �_ O a N (LED) / t / / / h/ / / / / / / / / / / --283--- ----- / / / / 0`°� / \ x TEMP SEDIMENT BASIN y 111/�i ,// / /� / // / / / // / // / / / // // ---/ �es // // l 1 I A �l_ l / A I l/ / / 0 / / / 7 / / / / p/ / _-�' I/ / / / I \ / \ \ TEMP CONSTRUCTION ENTRANCE c Ill) l / / / / / / / / / / // W // //- /�I I // / / / I I/ ( Z 0 /Il +/ / // / / / / / / / / / / / / / / :y / \ TEMP DIVERSION DITCH(LINED-SEE DETAIL) J / / / / / / / / / / / / / i I / / / / \ I /"'S ■ ■ TEMP SILT FENCE Z O y1 1\1 / / / / / / / / / \ TEMP TREE PROTECTION FENCE O Q 61 I�� • l I 1 / l l / 1 1 / / / / �h' I7 I / / I I \ \` / ♦ LIMITS OF DISTURBANCE /� Z y SILT FENCE IJ/411 +/ / / T6 I 1 1 I \ \ ( ( ( / \\ /�> \\ TOR© NTEMP.OR PERM.DITCH VELOCITY CHECK REF. V 0 C� A OUTLET DEVICE 1/n,' I ) 1 I I \ \\ \\ \\ I\ \ I ' CO _I I \\ \\ \\ \ \ -29 // \�\ WETLANDS.ON C3.5 AND PERM.ON C3.1) \ J 4u 'I / p N II I I I\ \\ I \ \ \\ \\ I «\\ \ N. \ \ // / SOD SLOPE OR CHANNEL(8'±WIDE) CO Z 0 CC MEI n ® IIT1 / 'i:. RIPRAP I \ \ \\ \ \\ �\ \,, \-. --sa<____ _ ADD WATTLES AS SHOWN L` IQ m r LL I MIN•3 I 1 \\ \\ \ \\ \ \ \\\ \\\ I 1\ \ \\ \\ \\ \\ `290� __I I I BORROW AND/OR SPOIL AREAS `V j r \ BAFFLES \ \ \ \ \ \ \ I 1 CC O O SKIMMER BASIN2 I \ \ \ \ \ �, -� \� \\ \ \\ \ \ \ --__- ILL Z O e W/24"HDPE SLOPE I \ \ \ \ \ \ "N...,,,,,,,,,, __ --_----- -____t' \'N. \ \ \\ \ \ / \ _ Z T mL a C DRAIN Ix (� o 11.111181 \ \ \ \ \ \ \ \ ---- -- ---- ------ \ \ \ \ -__ze9' \ \ 1I a P. ( 1 \ \ \ \ \\ \\ \�- --- \ u. \ \ \ \ 25'X 70'X 6" W u STONE ENERGY '1'/\1 \ \ \ \ \ \ �\ \ \ \ \ \ DEEP GRAVEL TEMP. - DISSIPATOR \ "'\ \�\ \\\ \ \ \ \ \\ \\ \\ \ \ CONST ENTRANCE-- Z Z N t l ��� 2j�\\\\ \\\ \ ----- --__� ` � \\ \ \\ \\ \ \\\ `\\\ '+F jF-!-- 4j�H� ARp°` O Z O -11i, ,.., OLD STATION POINTE i���: �"� �/��°i H o U 11A\ YI IN. V A vvv - -_--� ` A\ �\ A vV v - 0 SEAL a` CC SILT FENCE � ,, BAFFLES IP \\- \ \\ tee\ \ \ \\ \ \\ I - 1123 i_ r 8 OUTLET DEVICE _ ` � \ RAP \ -- \ \ \ \ \ \ \ \ I _ (.1) O 30'STATE o_ _ �� v__--- �\ R..g� e G -a 111 r VEGETATION • _ \ -- \ \ / \ \ \\\ \ ` \\ II \auinnkao � BUFFER SKIMMER BASIN1 / Bin N. \/\ \ \\\\ W/30"HDPE SLOPE / �2P. / / \ `gas\ \ g DRAINra �Mp �- �- - '` \ / --_ _ \ N.\ e �e�\ ,,-1 FOR CONSTRUCTION Q g DIVERSION z'- w:_ \ ��: _ - , \ Ti s� _- - \ I_ / DRAWING REVIEW ONLY W DITCH - '7V \ ' 2-' \ \ �� \\sec- `-_ - i- J C CC =..� \\ \ \ \ -CHECK(TYP) \ \ \ \\ \��` /�'- L\v __ \� �; SCALE IN FEET = M �� \ I \ \ \ - \ \ \ \ �- 0 30 60 120 180 240 u) U TOWN OF ANGIER PROJECT NO.