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Home My WebLink About20091109 Ver 2_Coordination Plans_20131010I.� ��_�� £s�i�it:E';".�1T", & �P.3Fdll4€.lL�AN75 1 �� • DRAINAGE AREA MAP • LEVEL SPREADER DESIGNFLOWRATE CALCULATIONS � BYPASS STR UCTURE DES.�GN CALCULATIONS • BYPASS CHANNEL DESIGN • DWQ LEVEL SPREADER SUPPLEMENTAL FORMS • LEVEL SPREADER DESIGN SUMMARY & DETAILS � FILTER STRIP PHOT4GRAPHS + �P�RATI�'NAATI)11��AIA,�'EPdA1'T�'E�4�REE�ENT MuLKEY iNC. b750FRVON ROAD CARY, NC 27511 Po eox ��127 RAirIOH. 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N r-I � O cD M `'� e-I I I Q u II �� II II '� •- Q � .�?. d m 3 N � � W � 0 LL .��r W � a o� � � � � V V � � � � � � o � W � a � �v m st o a � � O � � � � � Z ei N fY) � m m m m U U U U 0 W = I� 1� lp �D f0 � � O O O O G U a W � � Q W � Q I� 00 CO J� U1 N N 1� f� F Q O O C O rl 0 V H LL N a^ � o M � o � � a V o00o m�� m � y ('] � v W� N� N p Cl OG U � � t�rl � � W`--' a � � � a,� n�� o � a V � � � � � � rr'�.i o0 .'-�-i m n 0 � � � � � � N � � c L d � � V � � J �00 rr1 a--� I� N O ri rl II Q u !I �� II u •- Q N . .� : � .••, � � a �c W � � � .�. _ � � � 3 W � o � �� W � N m � a � a � _ O F 2 2 2 S �/f � Z rl N M a � m m m � uuc�c� a � � J � ^ � � � � � � � 0 0 U a w ,� � Q L�N ri Ol 00 � N J OC N ri 01 � 00 � a O O O O c1 � V H LL � � M O n N o�0 � � N � V � N N C�0 � S � :� 6L � � O C o"'c � � m m o OC U � � � � M L�I `-' a � � � N CQ I� ti � N J V� ei � n '"� '�' � `.' a� oo � .a�-i n O H � � O H i0 N ONO fh O �O rl ^ I I Q u ir u a u u� U � � 3 N � � �0 m � 3 O LL ,.,�,� � � �� Calculatio� Sheet Page aF �:,s�:s•.�r.:� . w:��i�tf _, ..��". CLIENT SUBJECT BYPASS 5TRl�CTURE A Prepared By �ate PROJECT {�o. Re�eieweci By �ate Flow fram first inch to Le�el 5preader (Q�„) _ Tatal Flow from System (Q�o} _ Flow to Bypass system (Q) = HEADWATER DESIGiV Q�Cp * A � �2�H�o.s Q = discharge (cfs) 2. 9 9 cfs 15.80 cfs 13.61 cfs Cp = coefficient of discharge (0.6 default value) A= cro55 secfiional area of orifice (i�) g= acceleration af gravity {32.2 fflsec2) H = drirring head (ft) A=n*d2/4 A= cro�s sectional area af o� ifice d = orifice diameter d = 10" A = 79" (in2) 11 � V.�J (�� H = 0.70 ��t> Q=CQ*A*�2�H�o.e _ � �� Values to be input by u5er (assume a height to centroid of orifice) WEIR DESIGN G�=� *�*H�.s w C,,�= coefficient oi discharge (3.33 far sharp crested weir) �= length of weir (sal�e for} H = dri�ing head (ft) Cw= 3.33 L = 2.22 {ft) F� = 1.50 (ft) (assume a height of water over weir} Q = Cw � g * H�.s � (cfs) Say 2.25' for width Use Standard 24" x 36" precast box Minimum height of box (without lid)= 4.OQ _ _ _� � � �� Calculation Sheet Page OF �y.�:,Id�`=.�b .-_. `:EJE.';':, ,._ ��fENT SUB.lECT BY�ASS STRUCTURE B Prepared By Daie PROJECT No. Re�eiewed By Date Values fo be input �y user Flow from first inch to L.evel Spreader {Q�,•) _ Total Flow from System (Q10) _ Flow to Bypass system (Q) = hIEADWATER ��S�GN Q=Cp * A * (2gH)a.s Q = discharge (cfs) 2.75 cfs � 9.82 cfs 17.07 cfs Cp = coefFcient of discharge (0.6 default value) A= cross seciional area of orifice (ft2) g= acceleration oi gravity (32.2 ff15ecZ) H � driving head {ft) A=Tr*d214 A= c�-oss sectional area of orifice d = orifce diameter d = 10" A = 79" (in2) A = 0.5� (ft2} H = � .1 Q (ft) Q=Ca*A*(2gH)o.s = (cfs} (assurne a height to centroid of orifice) WEIR DESIGN � '_ �+w ,� � ,r � 1.5 Cw = coefFcient of discharge (3.33 for sharp crested weir) L = €ength of weir (sol�e for) H = dri�ing heacf (ft} Cw= 3.33 L = 2.79 (ft) H= �.50 (ft) (assume a height of water o�erweir} Q = Cw * B * H�.s � � (cfs) Say 2.75' for width Use Standard 24" x 36" precast box Minimum height of box (withoui lid)= 4.00 � ��_ :. � � �� Cafculation Sheet Page OF �.. -=s;a �-�_, . ., _+;•�.:i..�� -�. CLIENT SUBJECT BYPASS STRUCTUR� C� Prepared By �ate PRO.iECT No. Fte�eiewed By �ate Values to be input by user Flow from frst inch to Le�el Sp�-eader (Qi��) _ Total Flow from System (Q�o) _ Flow to Bypass sysiem (Q) _ HEADWATER D�SIGiV Q=Co * A " �2g H�o.s 4 = discharge {cfs) 2.71 cfs 19.60 cfs 'I6.89 Cfs Cp= coefficient of discharge (0.6 defa�alt �alue) A= cross sectional area of orifice (ft ) g= acceleration of gravity (32.2 ftlsec2) H = dri�ing head (ft) A= rr * dZl4 A= cross sectional area of orifice d = orifice diameter d = 10" A = 79° (inz) Q � 0.�5 (ftz; H = 1.05 (f�) 4=Co*A*(2gH)a.5 = � (Cfs} (ass�me a height to centroid of orifice} {NEIR DESIGN �=�i�y*�*ri1.5 CW � coefficient of discharge (3.33 for sharp crested weir) 1. _ �ength of we9r (sol�e for) H = dri�ing head (ft) C,,,, = 3.33 L = 2.76 (ft) H = 1.50 (ft} Q=Cw�.B*ry�.5_��cfs) Say 2.25' for width Use Standard 24" x 36" precast box Minimum height of box (without fid)= BYRASS BOX DESIGN INFO inrrert of Bypass Box & Ori�ice = Centroid Ele�ation = 4.OQ KL��•��: 342.92 Weir Elevation = Centroid Elev � Driving Head 343.97 Width oi Weir = 2,76 Height of Box = 2.97 (assume a height of water over weir) �� ~"� Calculation Sheet Page OF s°_��. -- _ � ��,��.;�.:� ,_ i•_ CL�E�lT SUBJEC7 BYPASS STR�CTURE D� Prepared By �]afie PRO.�ECT No. Re�eiewed By Jate Values to be 3nput by user Flow from first inch to Level Spreader (Q�„) _ Total Fiow frorr� 5ystem (Q�o) � Fiow to Bypass system (Q} _ H�ADWATER DESIGN 1.81 cfs 93A5 cfs 11.24 cfs Q=Co * A * (2gN)a.s Q = discharge (cfs) Cp = coefficient of discharge (0.6 default value} A= cross sectionaf area of arifice (ft�) g= acceleration of gravity {32.2 ft/secz) H = driving head (�t) A= r� '" d2/4 A= cross sectional area of orifice d = orifice diameter d = S�� A = 50" A = 0.35 H = 1.15 Q=Co�A*�2gH�o.s = � (�n�) {ft2? (ft) i�s? (assume a height to centroid af orifice) WEIR DESIGN ��w��*H�.s Cw= coefficient of discharge (3.33 for sharp crested weir) L= length of weir (sol�e for) �l = dri�ing head (ft) CW = 3.33 L = 1.84 (�) H= 1.50 (ft) {assurr�e a height of waier over weir) Q=C,,,,*B*H,.s_ �� '(cfs} Say 1.75' for width Use Standard 24" x 36" precast box Minimum height of box (without lid)= �4.00 � � ��7 Calculation Sheet Page OF ' . _.�_ :�i.:: :' ..r:.:��'1:.L':9' 'a".. CLfENT SUBJECT BYPASS STRUCTURE E Prepared By Date PROJECT \io. Fte�eiewed By Date Values to be input by user Flow from first inch to Level Spreader (Q��) _ Total Flow from System (Q�a) _ FEow to Bypas5 sy5tem {Q) _ HFADWATER �ESIGN Q=Co * A * �Zg�,,,��D.5 4 = discharg� (cfs) 4.54 cfs 32.77 cfs 28.23 cfs Ca = coefficient of di5charge (O.fi default �alue) A� cross sectional area of or�fice (ft2} g= acceleration of grarrity (32.2 ftlsec�) N = driving head (ft) A=n*dZ14 A= crass sectional area af orifice d = orifice diarneter d = 12" A = 1 � 3" (in2) a = a.?s t�; H = 1.45 (ft) Q=Cp"A"(2gFi}a.s = � (cfs) (assume a height to centroid of orifice) WEIR DESIGN �_�W*`*u�.s Cw= coefFicient of discharge (3.33 for sharp crested weir) � = length of weir (sol�e 1`or) H = driving �ead (ft) Cw= 3.33 � = 4.61 (ft) H= 4.50 {ft) (assurr�e a height of water over weir) Q= CW . B� Hi.s _ 25 �� {cfs) Say 1.50` for width Use Standard 24" x 36" precast box Minimum height of box (without f�d)= 4.00 �'� � � � � � �' Calc�lation Sheet �- � , _� -�: :_., � �x`..-��.-•�':R:; CLIENT SUBJECT BYPASS STRUCTURE F �RO,lEC� �Eo. — Flow from first inch ta Le�el Spreader (Qz.) _ Total Flaw frorn System (Qio) _ Flow to Bypass system (Q) _ HEADWATER DESIGN 1.83 cfs �3.23 cfs 11.40 ct� Q=Ca * A * �2gH�o.s Q = discharge (cfs) Cp = coefficient of discharge {0.6 defauft �alue) A= cross sectional area of orifice (ft ) g= acceleration of gra�ity (32.2 ftlsecz) H = dri�ing head (ft} A= rr " d214 A= cross sectional area of orifice d = orifce diameter d = 8" A = 50" (in2) A = Q.3� (ft�l H = 9.20 (it) Q=Ca*A*�2�H�o.s _ � �� Page OF l�repared �y Date Re�eiewed By �ate Va�ues to be 9nput by user (assume a height to centroid of orifice) WgIR DESiGN ,�_CW*�,y�.s Cw= coefFcient af discharge (3.33 for sharp crested weir) � _ length of weir (sol�e for) H = dri�ing head (ft) CW = 3.33 L = 1.86 (ft) H= 1.50 (ft} (assume a height of water o�er weir) Q = CW '" g * �..�1.5 _ I � � .��I �GfS} V Say 2.OD' for width �se Standard 24" x 36" precast box Minirrium height of box (without !id)= 4.00 Ca�culation Sheet ' !�d� ��.�� .'�6:z�:��P': ' i;�'4i�'�'L':..i .. 7t= CLi�NT SUBJECT BYPASS STRUCTURE H PRQJECT No. Ffow from firsi inch to Level Spreader (Q��) _ Total Flow from System {Q�o) _ FEow to Bypass system (Q) = FEEADWATER �ESIGN Q=Cp * A « {2�ry�a.s Q = discharge (cfs) '� .19 Cfs 8.58 cfs 7.37 cfs Co = coefficient of discharge {4.6 default �a1ue) A= crnss sectional area of orifice (ft�) g= acceleration of graviiy (32.2 ft/sec�) H = dri�ing head {ft) A=rr*d214 A� cross sectional area of orifice d = orifice diameter d = 6'� A = 28" {9n2) A = 0.20 (ftZl FE _ � .50 (ft) C�=Co*A*(2gH}n.s = � (cfs) Page OF Prepare� By Date Re�eiewed By Date Va�ues to be input by user (assume a heighfi to centroid of orifice} WEIR DESIGN Q�Cw*�*Hi.S Cw= coe�cient of discharge (3.33 for sharp crested weir) L= length of weir (solrre far) H = dri�ing head (ft) C„, = 3.33 L = 1.2 (ft) H= 1.5� (ft) (assume a height of water o�er weir) Q = Cw * B * H �.s = (cfs) Say 2.U0' for width Use Siandard 24" x 36" precast box Minimum height of bax {without lid}= 4.00 Channel R�port Hydraflow Express Extension forAutoCAD� Civil 3b� 2D08 by Autodesk, Inc. , BYPASS CHANNEL A [NORTHSIDE LOOP) ��apeaoidal Bottom Width (ft) = 1.50 Side Slopes {z;1) = 3.00, 3.00 Total Depth (�t) = 2.00 In�ert Elev (ft) = 310.00 Slope (%) = 5.71 N-Va1ue = 0.200 Calcufatians Compute by: �Cnow� Q Known Q (cfs) = � 3.65 Ele� (ft) 13.00 3'! 2.50 312.00 311.50 311.00 �� n.5� 31 Q.DO 309.50 a Section Tuesday, No� 10 2009 l�ighlightec� Depth (ft) = 1,49 Q {cfs) = 13.65 Area (sqft) - 8.90 Veiocity (ftls} _ '! .53 Wetted Perim (ft) = 10.92 Crit Depth, Yc (ft) = 0.84 Top Width (ft) _ '! 0.44 EGL (ft) = 9.53 2 4 6 8 10 �2 14 96 Reach (ft) Depth {ft) 3.Q0 2.50 2.00 1.5Q 1.QQ �.5� 0.00 -0.50 �8 Chann�l Report Hydraflow Express F,xtensian For AutoCAD� Civil 3D� 2008 by Autodesk, Inc. BYPASS CHANNEL B [NORTHSIDE LOOP) TrapezoirJal Bottom Width (ft} = 2.00 Side Slopes (z:1) = 3.00, 3.OQ Total Depth (ft) = 2.00 fn�ert Ele� {ft) = 348.00 Slope (%) = 6.67 N-Value = 0.20D Calca�lat�ons Compu�e by: Known Q Known Q (cfs) = 13.61 Elev (ft) 51.00 350.50 350.aa 349.5� 349.00 ��.so 348.00 347.50 D Section `�uesday, Nov 10 2009 F#ighiighted Depth (ft) = 1.37 Q (cfs} = 13.61 Area (sqft} = 8.37 Veiocity �ftls) = 1.fi3 Wetted Perim (ft) _ � 0.66 Crit Dep#h, Yc (ft) = 0.78 Top Width (ft) = 10.22 EGL (ft) = 1.41 2 4 6 8 1� 12 14 16 Reach (ftj Deptn (ft) 3A0 2.50 2.ao 1.50 1.Q0 �.5� OAO -0.50 �8 Channe� Report Hydraflow Express Extension for AutoCAD� Ci�il 3D� 2008 hy Autodesk, lnc. BYPASS CHANNEL C (NORTHSiDE LOOP) Trapezoidal Bottom Width (ft) = 3.00 Side Slopes (z:9 } = 3.00, 3.00 Total Depth (ft) = 2.00 In�ert Elev (ft) = 342.50 Slope (%) = 4.70 N-Value = 0.200 Calcu[ations Compute by: Knowr� Q Known Q (cfs} = 16.93 Efe� (ft) Section 45.00 344.50 344.00 343.5Q 343.00 342.50 342A0 Wednesday, Nov 11 2409 High�ighted Depth (ft) w 1.51 Q (cfs) = 16.93 Area (sqft) = 11.37 Velocity (ft/s) = 1.49 Wetted Perim (ft) _ � 2.55 Crit Depth, Yc (ft) = 0.77 Top Width {ft) = 12.06 EGL {ft) = 1.54 � � I � i � Depth (ft) 2.50 2.00 1.50 �.ao o.�o � �� r.�, 2 4 6 8 10 12 'I4 16 18 20 vv Reach (ft) Channel Report Hydraflow Express Extension for AutoCA� Civil 3D� 2008 by Autodask, Enc. BYPASS CFiANNEL D (NQRTHSIDE LOOP} 'Trapezoida9 Bottom Width (ft) = 1.00 Side Slopes (z:1) � 3.00, 3.Q0 Tota! Depth (ft) = 2.00 In�ert EEe� (ft) = 352.OQ Siope (%) = fi.00 N-VaiUe = 0.200 Calculations Compute by: Known Q Known Q (cfs) = 11.41 Tuesday, Nov 10 2009 FiighEighted Depth (ft) = 1.44 Q {cfs) = 11.41 Area (sqft) = 7.66 Velo�ity (ftls) = 1.49 Wetted Perim (ft} = 10.11 Crit Depth, Yc (ft) � 0.83 Top Wicit� {ft) = 9.64 EGL {ft) = 1.47 Ele� ft p { � Section De th ft �s.00 s.00 354.50 2.50 354.00 — 2.0p 353.50 � ,�p .,�,. 353.OD 9 . DO i 352.50 I 1�.50 f 352.00 DAO 3�1.50 -0 5Q 2 4 8 $ 1Q Reach (ft) 12 14 16 18 Channe� Repor� Hydraflow E�ress �xtension for AutoCAD� Civil 3D� 2008 by Autodesk, Inc. Tuesday, Nav 10 20D9 BYPQSS CHANNEL E�N�RTHSIDE LOOP & GELCHREST FARM ROAD) , Trapezoidal Highlighted Bottom Width {ft) = 2.5Q Depth (fk) = 1.74 Side Slopes (z:1 }= 3.40, 3.00 Q(cfs} = 23. SO Total Depfih (ft) = 2.25 Area (sqft) = 13.43 IR�ert Ele� (ft) = 332.Q0 VeEoc�ty (ftls) = 1.78 Siope (%) = 5.88 Wetted Perim (ft) = 13.50 N-Value = 0.2QD Crit Depth, Yc (ft} = Q,gB Top Width (ft) = 12.94 Calcula�ions EGL (ft) = 1.79 Compute by: Known Q �Cnown Q (cfs) = 23.90 Elev {ft) Sect�on 3�.ao 334.50 334.00 333.50 333.00 3�2.5� 332.00 331.50 . ..a _s — �A�:A�d�aa. ,. �. ,� �� r � ,� 2 4 6 8 10 12 14 1B 98 2p Reach (ft) Dep#h (ft) 3.aa 2.50 2.ao 1.50 1.00 0.5� � �� _n �n Channel Report Hydrafiow E�resa Extenaion for AutoCAD� Ci�il 3D� 20a8 by Autodesk, Inc. BYPASS CHANNEL F (NORTHSlDE LOOP) T�apezoidal Bottom Width (ft) = 1, 00 Side Slopes (z:1 } = 3.OQ, 3.00 Total Depth (ft) = 2.OD ln�ert Ele� (ft) = 336.50 Sfope (%) = 5.50 N-Vafue = 0.200 Calculations Compute by: Known Q Known Q (cfs) = 11.41 Ele� (ft} Section �s.oa 338.5Q 338.00 337.bD 337. QO 336.50 336.00 Wednesday, No� 11 2009 Highlighted Depth (ft} = 1.46 Q (cfs) = 11.41 Area (sqft) = 7.85 Velocity {ftls) = 1.45 Wetted Perim (ft) = 10.23 Crit Depth, Yc (ft} = 0.83 Top Width (ft) = 9.76 EGL {ft) = 1.49 � � � , � � � i i 2 4 6 S 10 12 14 16 18 Reach (ft} Depth (ft) 2.50 2A0 1.50 1.00 0.50 t �� _n �n Channel Report Hydraflow Express Extensio� for AutoCAD� Ci�il 3b� 20Q8 by Autodesk, Inc. t BYPASS CHANNEL H (.�UNiPER AVE) Trape�oidal Bottom Width (ft) = 1.00 Side Slopes (z:1 } = 3.00, 3.00 Total Depth (ft) = 2.00 I n�ert Ele� (ft) = 355.00 Slope (°/a) = 5.$3 N-Value � 0.200 Calculations Compute by: Known Q Known Q (cfs) = 7.3fi Wednesday, No� 11 20D9 Highlighted Depth (ft) = 1.20 Q (cfs) = 7.360 Area (sqft) = 5.52 Veloc�ty (ftls) _ � .33 Wetted Perim {ft) = 8.59 Crit Depth, Yc (ft) = 0.68 Top Width (ft) = 8.20 EGL (ft) = 1.23 Ele�ft p �� Section De th ft �s.ao 3.00 357.50 2.�a 357.00 2. p fl 35B.50 1.50 � 35fiA0 '! .00 355.50 U.SG ' I 355.Q0 �� o.oa � � 354.50 -0 50 2 4 6 8 10 �2 Reach (ft) 14 16 18 �� Af �r�9 �� aG`s � �� ? STORMWATER MAI�AGEMENT PERMI�APPLICATION FORM 40Z CERTiFfCATEON APPLICATION FORM LEVEL SPREADER, FILTER STRIP AND RE5TORED RIPARIAN BUFF�R SUPPLEMENT This form must be completely fi1led out, prr►�fed and submiffed. �0 NOT FORGET TO ATTAGH �H� REQUIRED REMS G�iECMCLIST AND ALL REQUIREQ ITEMS (NEXT WORKSHEETj! � rEi�a4M �i/1 iLil^4,i7[�11�Li� Project name NORTHSIDE `�OOP WiTH JUNiPEFt ROAD �RLIGNMENT Ccntact name NfICHA[L A:LE4 Phone numher 9? 9-858 ' 888 � � Date Plovem6er 10, 2009 Drainage area number DRRINRGE AREA A(NOR?HSIDE LOOP) !L �E�IC,�M 6��TRAIA�'i0M For ievel Spreaders Recelving Flov� From a BNfP Type of BMP Drawdown tlow from the BMP cfs For Leve] Spreaders Receiving Flow from the Dralnage Area Drainage area Impervious surFace area Percent imperviou� Rational C coefficient Peak flow from the 1 in1�r starm Time of cancentration Rainfall intensity,l0-yr storm Peakflawfrom the 1D-yrstorm Where Does the L��o�! 5��esd�� Drscharge r To a grassed bioretenGon cell? To a mufched bioretanfion cell7 To a wetland? To a fiRer strip or riparian buffer7 Other (specify} Filter Strip or Rlparlan Buffer CE�aracterization (if appllcabls} Width of grass Width of dense ground cover Width ofwooded vegetation Total width Elevation at downslope base of level lip Elevation at top af 6ank of the recenring water S�ope (from level lip fo to top of bank) Are any drauvs present? Level Spreader basign �ureoay sunace area Feet of level lip r:eeded per cfs Answer "Y" to one of !he following; Lengtfi based on t�e 1 inmr starm7 Length based on the 10-yr slorm? Length based on the BNlP discharge rate? Design flow �s a bypass device provided7 149,276.00 {� 71,930.00 {� 49.' 9 90 0.64 2,19 cfs 5,00 min �,22 inmr 15,84 cfs � 0 0 � 30.00 0,00 C.00 30,00 3i 0.00 308.00 6,67 N (Y or N) (Y or N) (Y or N} (Y or N) ft ft ft ft finsl imsl % (Y ar N} 145.00 sq ft 13 `:ticfs Y (Y or N) • N 1YorN) ��f {Y or N) 2.?9 cfs Y (Y or N) Please complete fiRer strip characterization 6elow. OK 0 0 Farm SW401-Leve! Spreader, FEiEer SUip, Restored Ripsrian BufFer-Rev.S PaAs !. and li. Desipn 5ummary, page 7 of 2 Length o� the level lip 30.00 ft l.eval s�xeader length OK. Are level spreaders in series? N (Y or N) Bypass Channel aesign (if applicable] Does the bypass discharge �hrough a wetland7 �oes the channe'. er�ter the sueam at an ang]e7 �3imensions o�the channel (see diagram below): M B W Y Peak velocity in #he channe] during #he 10-yr storr� Channei lining material W � (Y or N) (Y or N) 3,00 ft 1.50 ft 73,50 ft 2.00 ft 1.49 cfs 'iJRF REII�F. BY NORTH AMI • �, t w �, � , � . �� _�, 1 :--------- M � � 1 B 1 �� r ---------♦ M Fvrtn SW401-�evel Spreader, Filter Strip, Reatored R�padan Buifer-Rev.5 Parks I. and I1. aesign Summary, page 2 of 2 ' ,�t Ey4WAtF9� _�� E� ° F STORMWATER MANAGEM�NT PERMIT APPLICATION �ORM 40� C�R7IFICATION APPLICATION FORM LEVEL SPREADER, FIL7ER 3TRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT Thrs form must be completely fi!!ed o�rt prinfed and submrtfed. DO NOT FORGET TQ ATTA�H THE REQIIlRED ITEMS �HECKLIST AN� ALL REQUIRED ITEMS (NEXT WORK5H�ETjI f. PRi3.F�CT f[�Dl�IAtEt,�r� Project name NORi^!SIbE LOOP WiTH JIiR�IPER ROAD REAi�GNMENT Cor,tact name MiCNAEL ALZEN Phane number Date Drainage area number 919-858-',888 Nov�m6er10,20D9 �RAINAGE AREA B (NORTHSIDE LOOP) 11. �ESiGF� �FFClRiYIATl� For �e►►el Spreaders Receiving Flow From a BMP 7ype of BMP Drawdown flow from the BMP �(s For Level 5preaders Receiv9ng Flow from the Drainage Area �rainage area Ir�pervious surface area Pe.roent impervious Rafional C coei(cient Peak f�ow f�om the 1 inlhr storm Time of concentration Rainfall intensity, 9D-yrstorm Peak flow from the 1 D-yr storm Where Does �he Leval 5preader Dlscharge 7 To a grassed bioretention cell? To a mulched biorelention cell? To a wetland? To a filter sfrip or riparian buffe� Okher (speciiy) F!I#er 5trip or Riparian Buffer Characterizatlon [if s�plicable� Width of grass Width of dense ground cover Width of wooded vegetation Totai width Elevation at downslope base of level lip Elevation at top of bank of �e receiving water Slope (from fevei lip to to top of bank) Are any draws present? Leve! Spreader DesEgn Forebay surface area Feel oi level lip needed per cfs Answer'Y" to one of the followirg: Length based on the 1 inl�r sform7 Length based on the 10-yr s±orm7 Length based on Ehe BNfP disctiam,e rate7 Design flow Is a bypass dev�ce psovided? 181,050,00 {� 94,515.00 {�z 52,20 % 0.66 2.74 cfs 5,D0 min 7,22 inl�r 19,81 ds N (Y or NJ N (Y or N) iV (Y or N) Y {Y or N) 30.OD ft 0.00 ft 0.00 ft 30.00 ft 348.OD fmsl 347.00 fmsl 3.33 9b N (Y or N) Please complete filter strip aharacterization belaur. OK DK 189.00 sq fi oMc i3 fticfs Y (Y or iV� N (Y or N} N (Y or N) 2.74 cFs Y (Y or N) oK Form SW401-Level Spreader, Fi[ter 5trlp, Restorad Riparian Buffer-Rev.5 Parta i. and II, Design Summary, page 1 oT 2 Length of the level lip Are level spreaders in saries? Bypass Channel Deslgn (if applicablej Does the bypass discharge through a wetland? Does the channei enter the stream al an angle? Dimens9ons of the charnel (see diagram below): M B W Y Peak velocity in Rhe channel during the 10-yr storm Cf�annel �ining material 35.00 ft Level spreader lengih OK, _ N (Y or N) (Y or N) ;Y or N) 3A0 ft 2.00 R 14.00 ft z,00 � ',53 cfs 'URF REINF, BY NQitTH AMf * u, s � � � , i.. � r �r 1 � t-----^-- M � j B j � ' i 1 --------♦ M Form SW40t-Zeve's 5preader, Filter Strip, Restored Riparian Buf(er-Rev.5 ParLs I. and II. �eaign 5ummary, page 2 ot 2 �� Q� war�R �� Q� N�E� ° � STORMWATER MANAGEMEI�T PERMITAPPLiCAT10�! FQRM 401 CERTIFiCATiON APPLICATION FORM LEVEL SPREADER, F1�7'ER STRIP AND RE5TORED RIPAR�AN BUFF�R SUPPLEMfNT Thrs form must 6e completely %lled out, printed and submitted, DO NOT FORGET TO ATTACH TFlE REQUIREQ ITEMS CHECKLIST ANI] ALL REQl11RED ITEM5 (NEKT WORKSNEETjI Project name Contaci �ame Phone number Qate Drainage area number NORTHSI�E LOOP WITH JUNiPER ROAD REALIGhMENT MICHAEL ALLEN 919-858- i 888 Noy�,Ser�o, zoos DRAINAGE AREA C (NORTHSl�E LOOPj n. m�s� ��Tiav _ - —� �or Level Spreaders Recehring Flow From a BINP Type of BMP Drawdown flow from the BMP �5 For Level Spreaders Recelving Flow from the Drainage Area Drainage area Impervious surface area Percent imperuious Rational C coefficient Peak flow from the 9 inlhr storm Time of concentrafio� Rainfall intensity, 10-yr siorm Peak flow from tf�e 10-yr storm YVhere Doe� #he �.evel Spreader �l�cha.�c ? To a grassed hioretention cell? To a mulched bioreten4on ce!!? To a wetland? To a filter strip or riparian buffe�i Other (specify) Fi�er Skrlp or i�parian Buffer Characterization (If applicable} Widfh of grass lNidth of dense ground cover Width of wooded vegetatior� Total width Eleva#ion at downslope base of level lip Elevation ac top of bank of fhe receiving water Slope (from leve! fip to to lop of bankj Are any draws present? Leve] Spreader Deslgn Forebey surface area Feet of levei lip needed per cfs Answer "Y" to one of tne following: Length based on the i inmr storm7 Lengih based on the Z 0-yr storm7 Length based on the SMP discharge ra!�? Design ftow Is a byoass device provided? 764,455.00 {�2 1D1,600.00 {� 61.79 % 0,72 2.72 cfs 5.Q0 min 7,2Z inlhr 19,63 cfs N N N Y 30.00 O.OU D.00 30.00 342,50 341.00 5.00 N (Y or N) (Y or N) {Y or iV) (Y or N) ft � � � fmsl imsl % (Y or N) Please complete filter strlp characterizativn balaw. OK oK 203.00 sq n ox 13 �'Jcfs Y (Y nr iV) N (Y or h} N (Y or �ti) 2,72 cfs Y (Y or M) OK Form 5W40�-Levef Spreader, Fiker 5trip, Restored Riparian Buffer-Rev.5 Parts I. and II. Deaign Summary, paga 1 of 2 Length of the level lip Are leve! spreaders in series? Bypass Channel besign (if appfica6lej Does t�e bypass discharge througf� a wetland? Does the char.nei enker the strear� at ar ang�e? Dimensions of the channel (see diagram below): M 8 W Y Peak velocity in the cFannel during the 10-yr stams Channel lining ma�erial 36.00 $ Level spreeder lengih OK, N (Y or N) N (Y or N) Y (�' or N) 3.00 R 3.00 f: 15.00 f� 2,00 ft 1.49 cfs 'URF RE1NF. BY NORTH AMf t * ' � � � �- — � ��O � 1 �-------- M , , i B i �r i 1 ---------+ M Form SW401-Lavei Spreader, �iter 5trip, ResMred Rlpadan Buffer-Rev,5 Parts I. a�d II. �esign Summary, page 2 0# 2 A� w�r,�9 �rC::F „_� � q� �' � �#�e� G . .., Y STORMWATER MANAGEMEN7 PERMIT APPLICATION FOl�M 401 CERTIFICATfON APPLICATION FORM LEVEL SPR�ADER, FILTER STRIP AND RESTORED RIPARIAN BIJFFER SUPPLEMENT This form m�st be completely fi!!ed ovt, printed and submrffed. DO NOT FORGET Td ATTACN THE REQUIRED ITEMS GHEGI{LIST AA1D ALL REQ!liRED IT�MS (NEXi WORKSHEETj! 1. Pf�t?.1E�'T' 6NFt�MAT�F! Project name NORTNSIDE LOOP WITH JUNfPER ROAD REAiiGNMENT Contact name MlCHAEL AI.LEN Phone number 9 �9-85A-1888 da� November ; 0, 2009 Drainage area number �RAINAGE AREA D(NORTNSIDE LOOP) � 3ES1GH iNFEiIQ1NATEDN For Level 5preaders Receiving Flaw From a BMP Type of BMP Drawdown flow from the BMP ' �{5 For Level Spreaders Receiving Flow from Ehe Drainage Area Drainage area Impervious surfaae area Percent impervious Rational C coefficient Peak flow from the 1 inlhr storm Time of concen#ration Rainfall intensity,l0-yr siorm Peak flaw from the 10-yr slorm Where Does the �evel Spr�ader Disch�rQe ? To a grassed bioretention cell? To a mulched bioreten6on ce117 Ta a wetlar�d7 To a filter strip or riparian buffer7 Other (specify} FIRer 5trip or Riparlan Bu�fer Characterization (if applicable} Width of g rass Width of dense ground cover Width of wooded vegetation Toial width Elevation at downslope base of level lip Elevation at top of bank of ihe receiving water Slope (from level lip to to top of bank) Are any draws present7 Level Spreader Design Fore6ay surfac� s� aa Feet of levei !ip needed per cfs Answer "Y" to one af the foliawing; Length based on the 1 inlhr storm? Length based on the 90-yr storm? Length based on the BMP discharge rate? Cesigr, flow Is a bypass device provided7 194,094.00 {� 66,902.00 {� 58.64 90 0.69 1.89 cfs 5,00 min �,� inlhr 9 3.05 cis N N N (Y or N) (Y or N) (Y or N) (Y or N) Please completa fifterstrip characlerizatinn belaar, 30.00 ft O,OD ft D.00 ft ao.oa � 352.00 fmsl 351.00 fmsl 3.33 % oK N (Y ar N) oK i34.00 sq ft oK .13 fticfs Y (Y or N) �! ;Y oc iV) N (Y or N) 1.85 cfs Y (Y or N) ok Form SW401-Level Spreader, Fittar 5trip, Restored Ripaden 8uffer-Rev.5 Psrts I. end II. Design Summary, page 1 of 2 �ength of ;he levei fip Are leve� spreaders in series? Bypass Channel Design (If applicable) Does the bypass discharge through a weUand? Does the channel enter the stream at an angle? Dimensions o� the channel (see diagram below): M B W Y Peak velocity in the channel during the 10-yr storm Channel lining materia! 24.00 il l.evel spreader length OK. N {Y or I�) N (Y ar N) Y (Y or N) 3.00 ft 1.0� ft 13.00 ft 2A0 ft 9.49 cfs 'URF REINF. BY NORTH AMI ♦ . �x, t �" ►� � , 1� _ _ i �� 2 �-------- M � � i B i �� I ---------♦ M Form SW401-Level Spreader, Filter Strip, Reeivred Ripe.rien Bui(er-Rev.5 PaAs I. and if. Design Summary, page 2 of 2 ,� w,ar�,� � 9� �� a Y STORMWATER MANAGEMENT PERMIT APPLlGATION FORM 401 CERT1FfCATION APPI.ICATION FORM LEVEL SPREA�ER, FILTER STRIP AND RESTORED RIPARIAN BllFF�R SUPPLEMENT This form must b� complefeJy fi!!ed aut, printed and submitted DO NOT FQRGET TO ATTACH THE REpUlRED REMS CHECKLIST AND ALL REQUIRED ITEM5 (NEXT WORKSHEET)I I, pliE�CT lNFORMATION Project name NOR?H51DE LOOP W! i H JUNIPER ROAD REALIGNMENT Contact name MICHAE� AL�EN Phone number 919�58-1888 Date Novem6er 10, 2009 Drainage area num6er �RAINAGE AREA E(NORTN5IDE LOOP & GILCHRE57 FARM ROAD} ti. E1E&fGN INFQF�ATKlN For level Spreaders Receiving Flow From a BM� Type of BMP Drawdown ilow from the BMP For Level 5preaders Receiving Flow #rom khe brainage Area Drainage area Impervious surface area Percent impervious Rational C coefficient Peak flow from the 1 inmr storm Time of conce�tration Rainfall intensi�y, 10-yr storm Peak flow from the 10-yr storm l+�here �oemm ±he ! e�el ��reader Qi�cha►�e 3 To a grassed biorelention cell7 To a mulched biorefeRtion cell7 Ta a weUand? To a filter strip or riparian buffe�? Other (speafy) Filaer Strip or Riparian Buffer Characterizatian (if applicable) Width of grass Width of dense ground oover Width of wooded vegefabon Tolal width Elevation at downslope base of level lip Elevation at top of bank of the receiving water Slo�e (from level lip io to tap of bank) Are any draws present7 �evel Spreader Deslgn Fcreba�+surfaoe area Feet of level lip needed per ds Answer "Y" to one of the �011owing; Length based on the 1 inlhr sform? Leng#h based on the 10-yr slorm? �ength based an the BM? discharge rate7 Design flow Is a bypass device pravided? cfs 274,612,00 {� 170,957.00 � 62.25 % a.�s 4.54 cFs 5.00 min 7,ZZ inlhr 32.77 cfs N N N Y 30,00 O.OD O,OQ 30.00 339.00 330.00 3.33 N (Y or N} (Y or NJ (Y or N) (Y or N) ft ft ft ft fmsl imsl � (Y or N) Please comple�a filter strip characterizatlon below, OK OK 342.U0 sq n OK 43 fticfs Y (Y or Nj N (Y or N) N (Y or N) 4,54 cfs Y (Y or N) OK For.m SW401-Level Spreader, Filter SErip, ResEared Riparian Buffer-Rev.5 Parts I, and II. �esign Summary, page 1 of 2 Length of the ievel lip 60A0 ft Level spreader len9tn OK, Are level spreaders in series7 N (Y or N) Bypass Channel Deslgn (if appiicable} aoes the bypass discharge through a wefland? Does the channel enter the stream at an angle7 Dimensions of the channel (see diagram below): M B W Y Peak velociry in �he channe! during #he 10-yr starm Channel lining material W � (Y or N) (Y or N) 3,00 ft 2,5D ft �6,D0 ft 2.25 ft �.�a � 'URF R�INF. BY NORTH AME t * � , � , 1—� — - � i�� 1 �--------- M Y � 1 B 1 _� � i 1 ---------• M Form SW401-Levcl Spreader, Filtar Strip, Restorecf Riparian BuTler-Rev.5 Parts i, and II. Deaign Summary, pape 2 of 2 �QF W .AT� �� > � �r�fj�■wK � „ Y ��!!� �'! STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFlCATION APPLICATION FORM LEVEL SPR�A,DER, FILTER STR1P AND RESiORED RI�ARIAN BUFFER SUPP[.EMEMT This form m�st be completely fNed o�t, prr�fed and submrfted. b0 NOT FORGEi TU ATTACH 1'HE R�QUIREl7 ITEMS GHECKLI5T AND ALL REQUlRED ITEMS (N�J(T' WORKSHEET}! I. FRO.I�CT R�}F4lR�IA�'lLiN Project name NORTHSI�E LOOP WITH JUNlP�R RQAD REAL!GNMENT Contact name MICH,4E� AiLEN Phone number Date Drainage area number 919-85&1888 Novembe� 10, 2009 dRAINAGE AREA F (NORTHSlDE LOOPj H. �E�Il�N �ORM1�'PION Far Leve! Spreaders Recelving Flow From a BMP Type of BMP Drawdown flow from t�e BMP � For Level 5preaders Recelving Flow from the Drainage Area Drainage area Impervious surface area Percent imperoious Rational C coe�icient Peak flow from the 1 inlhr slorm Time of concentration Rainfall intensity, 10-yr storm Peak flow from the 1 D-yr storm Where Does the Level Spread�r Bisal�argm 7 To a grassed bioretention cell? io a mulched bioretenfion ce!» To a weUand? To a filter sfrip or riparian buffer7 Other (specify) Fifter S#rlp or Rlpariar� B�ffer Characterizatian (If applicable) Width of grass Width of dense ground cover Width of wooded vepetation Total width Elevation at downslope base of level lip Elevation at top of bank of khe receiving water Slope {from level !ip to to top of bank) Are any draws present7 Levef Spraader Design Forebay surFace area Feet of leve] lip needed per cfs Answer "Y" to one af the follawing: Lengfh based nn the 1 inlhr slorm? Length based on the 10-yr storm? Lergth based on ihe BMP discharge rate? Design flow Is a bypass device prnvided7 135,308,00 {�z 54,143.00 {� 40,01 � 0.59 1,83 cFs 5,00 min 7.� inlhr 13,23 cfs N � N Y (Y or N) (Y or N) (Y or N) (Y or iV) Please oomplete filterstrip characteriza�ion 6elow. 30, 00 ft 0.00 ft 0.00 ft 30.00 f# 337.00 fmsl 336.00 fmsl 3.33 % � �Y Df �� OK OK 108.6�7 sq tt C�c 13 fticfs Y (Y or h) !� (Y or N) N (Y or N) 1,83 cfs Y (Y or N) ac Form SW401-Level Spreader, Fiiter Strip, Restored Riparian 8ufier-Rev,S PaAs !. and II. Design Summary, page 9 of 2 Lengfh of the leve! !ip 24.00 ft Level spreader �ength OK. Are level spreaders in ser'ses7 N (Y or N) 8ypa�s Channel Desige (if applEcablej + Does the bypass discharge through a wetland? Does the channei en#er ;he st�eam at an angle? Qimensions nf the cha�nel {see diagram below); M B W Y Peak velocity in the char.nel during the 10-yr siorm Channel lining material � 11 (Y or N) (Y or N} 3.00 ft i.�0 IL 93.00 ft 2,00 fk 9,45 cfs 'iJRF REIEdF. BY NORTH AMI * W * H „ � � � r �-° - .° . - - - - - - 1 i �i 1 � t--,----- M � � , j B j _ � Z --�------♦ M Form SW401-l.evel Spreader, F[Iter Strip, Restorad Riparian Buffer-Rev.5 Parts I. and I I. �esign S�mmary, page 2 oi 2 +�� oF Y1nr�e9� N�DE�IR � _ � STORMWATER MANAGEMENT PERMIT APPLICATION FORM 409 CERTIFICATION APPLICATION FORM LEV�f. SPR�ADER, FIf�TER 5TRIP AND RESTORE� RIPARlAN BUFFER SllPPLEMENT this form m�sf be completely frlled out pri�fed and su6mitted. DO NOT FORGET TO ATTACH THE REQUIRE[? ITEINS CHEGKLISi' AND ALL REql11RED IT�MS {NEXT WORKSHEETjI l. �RQJECi �N��iIATiQ� i'roject name NCRTHSIDE LOOP WITH JUNiPER ROAD REALIG�IME�lT Conkact name MICHAEL ALLEN Phone number 919-85e-1888 Date November 10, 2009 �rainage area number DRAINAGE AREA Fl {„UNIPER AV�j �L �ESICN �HtPORMAT�RI For Level 8preade►s Recelving Flaw From a BfNP Type of BMP Drawdown flow from the BMP � For Level Spreaders Receiving �law from the Drainage Area Drainage area Impervious surface area Percent impervious Rationaf C coeffrcient Peak flow from the 1 inlhr storm Time of concentration Rainfall intensity,l0-yr storm Peak flow from the 10-yr storm Where Does the level &pr�der Discha�e ? To a grassed bioreten6on cell? To a muld�ed bioretention cell? To a wetland7 To a filter strip or riparia� buffer? Other (specify) Filter 9trlp or Rlparian B�ffer Gharacterization (If applicablej Width af grass Width of dense ground cover Width of wooded vegekation Total width Elevafion at downslope base oi level lip Elevation at lop of bank of the receiving waker Slope (from level lip to to top of bank) Are any draws present7 Leve] Spreader besign Foreb�y su�face ��ea Feet of level lip needed per cis Answer °Y" to one o� the ioliowing: � Lengtf� based on the � inlhr storm? Length based on the i0-yrstorm? Length based on the BMP discharge rate? Des;gn `.low is a bypass device provided? 79,487.00 {� 39,202,D0 gz 49.32 � 0,65 i.19 cfs 5.00 min �,22 in�r 8,56 cfs N (Y or N) N {Y or N) N (Y or N) Y (Y or N) 40.00 ft 0,00 ft S0, UO ft i20.00 ft 355.00 fmsl 348.00 frrts] 5.83 % _ N ;Y or N) Piease complete filterstrip aharacterization below. dK oK 78,00 sq n oK 48 fflcfs Y (Y or N) N (Y or v) N � or ti) 1.19 cfs Y (Y or N) oK Form 5W4D1-Leve! 5preader, FiHer Strip, Restorad Riparan Buffar-Rev.S Parts 1. and II. Design 5ummary, page 1 of 2 Length of #he level lip 58,Oa R LEVef spreader lengl� OK. Are level spreaders in series? N (Y or N) Bypass Channel Deslgn (If applicable) �oes the bypass discharge thsough a wetland? Does :he channel enter the siream at an angle? Dimensions of the channel (see diagram below): M B W Peak velocity in the channel during the 10-yr storm Channellining materia! N Y (Y or N) (Y or N) 3,D0 R 1.Q0 ft 13.00 ft 2,00 ft 1.33 cfs '[JRF REII�F. BY NORTH AME t * 6+ , W � 1 � 1 �__`___ M � l B 1 _ 1 1 ---------♦ M Form SW401-Level Spreader, Filter 5frip, Restared Ripadan Buffer-Rev.5 Parts 1. and II. Design 5ummary, page 2� 2 � � � � � � � V N {� � � W 0 a W � a � � W � � H Z W � Z � J � � � a 0 oc �e W a z � i H � 3 a O O � W 0 � tJ'! i � �c O Z � �u = z � z o � � � � � � � � � a o � J W Z _ � LA U d N f�[ N N N N N � 0 N Q a � m w � z o z U� � N M e-I N r-I ri � O m m � � m U �' 00 O M� O � � a e-I e-I N ri M r-I ^ RL 6L C..' _ � � O �o 0o N c� � n rv�n � m M M m m m m m us a J � � � m m m n�i � N X��r1 � �u �n � � I` � w W J 0 O W = a ¢ m U❑ w is �_ u'f 0 J u N..1 � J C7 � CUSTOMER: QUANTITY: OF � ��'�,- ' ;;�; JOB WEIGHT: 2,i0D LBS. _� � `': ^ ;; � ':' LOCATION: SECT�ON: P�� -� �,. .� �I��: 3' x 8' LE1l�� S�'REA�E� �..�•r�m��`° DRAWIVT BY: �� 9/� 8108 FRO�ECT MGR: 9� * DQ NOT FLIP WORKUP OIIER'" '� AAAKE SURE JQiNT IS Gl3RRECT * � 24" � � 96" � 9" � �� 6° 96" REINFORGEMENT: 4 x 4 WIRE ME�H W4 x W4 CENTEREQ BASE & WALL 0 FYansm¢e &'1CAD4M�c DeaiMn9a1L,�VEL SPREA�ER � y+n 4 �� ,� r-, �•Ze � �+n B,� 24" N��S: i. i2EINFO�2CENEEM": H-20 BEtI�GE lOADIhIG {TRAF�IC RATED} 2. CONCRETE: 40C10 PSI �28 dAYS ---------- ------------------- L—�...�._..------------- --�...._.—.__..,—,--�._..�.__�_ �.rS C �me: S:ICADIMisc DrawingslLEV�l. SPREADER Tha informatlon caMalned h� rf' ? �. –rx �� Canaeia. frte.l! may nothe t iti � ' ? � j � NRIlI9f1 PBIIII�0�1. : � . ,,_ ...`1 ,� , +i� i. . ,_i... . }'l�7.., . . 2875 Li51 FIVYY -� _ �_ - P.0.8aot9� PteCast i;n�are$o �raduc4� i43'7 F�ankUmm�,MC rnr.sEoy►l�i.cam Phona (999ja94-zsoo Frix (9i9] 494-7618 �� e�ss�va Precest � BXPI'B8B. � �` LEVEL SPREAQER 0e°�"°° See Filename Above �� ;r � Ww �~ —a �� w � C.7 WLrJW J�J � a �� O O Vl � ,�., �,1 a� � �z =� �— �� 1�. o�� J �4JJ �oaa oa¢�� °av'z aU�pO O �--7 O��F Z '-`�a�ao w�-w� ��o ��w� ��o�w � X e a � �` w � 0 J � ti V � � � n. 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