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HomeMy WebLinkAboutSW6220801_Plansheet C2.1 - Grading_Drainage Plan_20221026DocuSign Envelope ID: AEE5B6BB-BE51-4AA4-946F-9F9D20DAD5B2 STANDARD LEGEND c IDN` \ I_ �L \\� \\ \ \ � \ \ \ \ IN MM --�_ \\ N_ \ \ / P \ IN A. IN P Tf MPORA sJKIMWER B SIN- FFi \ \ \ \ \ C P \ ` \ Ij� AREA=54AC. �\ \ \\ \ \ \ \\\ \ \ I \ SUR\V UDR BY: _ --�, �` s'\\ e`� s`�� / Q1ro=( U/HR54 .)=1a zcF� O I - ,/ ��__ �/ /OL. D=1,890CF/AC 2.8AC)=50406 Dr�T�p /SURFA AREQ'D=3 C S* 1.8CF=S8 S\F\ \ \\ �� \ B YYfi� \ D ASSOCIATES TO♦� L 90i, TOP W=45, D 2' \ \ \ \ \ \ \ \ \ `_ (2A D� Si 7 DA STABILhTI01�\TIFF\ \\ \ \ \ \ \\ \\ \\ \\\ \�\ - \\ \ ,� \ \ "F'$OFES I� URkEYOR FRAM P.) / / \ \ \ . \ \ \ \ \ \ \ \ C)� \ / �' \ \ \ / �01_. 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SILT .FE�dCE Q \ PORARY SKIMMER BASIN 3 W AFFL S I I I I/ \ / / \ \ \ / / \ (FX�1;LSf0\R�VI f \ D.A.- AC. \ - \ \ I I 1 \ 'rL�\,�---�\ \\\ \\ \\ \\/ 1 \\ \ h�\ / AS OWI��fP. TOTAL D_M NAGE ARE},-1.3AC. \ \ I \ \ / / / \ \ \ \ \ 1 1 \/ / / %n/ \+ \ % P ANfNT\RI� RAP T N51T _ _ 1 Q10=(0.3)(�.3I /HR)(1')AC.)=2`9CFS \ 1 \ \ \ / / I / , \ \\ \ \ 1 \ , / /j // « �JJ \ VOL, REQ'D=1,80QCF AC-b. AC !1260 \ \ \ \ \ / I ( , / \ \ \ \ 1 I 1 I / / / R D E DI M1'\ SURFACEIAREA REQ`'R=325SF�CFS*(�29CF=��3SF\\ ,' _ / \\ \ \ D50- \ \\ \ \ \ \ 1 18\ __ ___------- TOP L-40�0OP W=25' D"=2' \ \ \ \ \ I / \ \ \ 11 \\ ' % / \\ \ \ \� 1 S E SLOP S - 7 ICY STABILIZA�II�N E \ \ (� � � \\ \\ \ � ' I , PERMA NT RIP RAP\TRANSITION \ " \ \ 1 I /' /' ,• \ -�- � � \ \ FRAPIR TYP.) \ \ IN RO DSIDE DITCH \ \ 1 / / / , '' / ti \ _ -- SURF/AC��REA PROED=10bOSF \ \ ` \ \ \ \ \ � (4' DE - 10' EACH DIRECTION) \ 1 \, 1 \ � . � / / » '� � 2 `RCE�S \ \ \ � � � \ \ \ \ \ \ VO � PROVIbM=1523C'F \ \ \ \fr \ \ +'� / `!/i /7� D50 6" \ ` / \ `\\ WIDTH=4' \ \ \ \ \ \ \ �J� �F DE 18" \ 1 1 \ / / T ` --- //� \ \ \ \. \ \ \ \ \ SKIMi SIZE: 1.5\ \ \ \ \ \ \ \ "GJ� / \ \ 1 / \ \ \ \ \ \\ \ �� ---------- tKIMMER'MFICE DIAOUER=O. 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REQ'D= 800CF/AC (1.2AC�R160CFWRfA\ DEPTH-J�8" NEW ie \ -�__ , � , , \ �� � * \�_ \\ �C //MI+LET 1 / / / ' /'�/ / / / / / / / TO CE AREA REQU=I j, N, (4. S)-1 \ 8\ \\ \ \ / \\ \ / / PRO/ , , �' _ _� //� // / / ,/ / �/ �IDES)LOPES - Y STABIL ATIO 1TII / \ / / DA=1.6ac \ 1 / / / �, , / I / �/ /, , , FRAM 1 ti \ \ \ \ \ \ Q10=5.8cfs N. / , / / S 1 / , / ,� -_� // / / ,� / ,/ COL. PE AREA 2829C€D=1375 I I �\SEBt, 'WIDTHIDED=2l9CF\ \ ( ABIBAIL ARNOk/D \ \ ` \ � \ \ \\ / \\ O=1. 1.9f ( / SKIMMER SIZE: 5'\ I 1 \ \ \ \ �\ \\ �� / /\\ \ \ I I � /I , , / �� / / SKIMMff�-OI�IF�ICE DIAM ER=j.O" I I / I \ \\ / \ \ ZONE-2 I / I I I / , / I / WATERING TIME; 2.6 AYS 1 I I / I DB 3�00 PG �68 �, \ \ �_ CLAss=e \ I I 1 I l l /'� I / \ ti ` \ \ \ 2 g I ( \ / / / /' , / ,' NOTE ®TSB 1 \ 1 1 \ 13 \ \� \ g \�\ �� / \ \\ L50=Xk O f I I ILi OW PATH IS O BE M TTED 5 \�`' \ \ \\ I 1 I \\ \\ \ \ \ I �- / '� '' / / ' ' ' IM DIAT Y UP IN B SIN RE 0 AL,TYI BLOWOFF\� \ \ \ 3 / \\ \ \ wPa 18 ✓ \\ \\ \ l.�l \ _�- 1 I I I I \ ` \ / / I I 1 1 \ /'' / ' / \ � 11 I I I \ \\ AS \ (EXCEL R \TI G) I 1 I I \ \ / \ \ \ / / / / / / I 1 I I /I I I I \ / / / PERMAN RI RAP T AN ITI N IT" 12 \ \ \ / N ROAD E TCH I I , � 4' WIDE � 10 EA H �IRHCTI N NI / ) 1 DE j N 50 N------- -- - \ T•E-MP. 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P D 2829LcF I� \ \\ \\ TOTA>`DRAINAGE AR-1.7AC. / \ \ \ \ / / --+ \ \ \ 1 \\ \\ \ � REQ' 800CF *( �'N \ \ � skii 1.5"/ 50 \ \ \ AL .\ /AC 1.5AC=2700CF \�_�� � v \ \ \ » 2 1 I *��1 1 48 \ SURFA kREi� REQ�325SF/C S* 3.7CFS=12035�` \ \ \ / SKIM�€f� ORIFICF,ifIAMETEf�J�O_ \ N W 2 ��`\ �� O // \ I / 1 �� /`/ \\ \� �_-) \ \ �,DEWATERING,TNAE: 2.9 \r \� , #� 1 ^I J ® / :': : ! S \ =55', TOP W=25', D=3' - \ \ \ \ \ i /TSB\ !� \ \ SEE NOTk ® LOWOFF \,� AL 1 �\ \ \ �F �/� / \s 3 \ 2:1 IDF -SLOPES - 7 DAY ST BILIZATION TIME \ �� N E�pL F \ ,ASSEMBLY \ \� \.�� ti /� 88 20 \ t� \ s�P/i % G� 1 M TYP.) ----__ - \ `\ \\ \\ \\ \ \ \ \� >;t 0 SU CE AREA PROVIDED=1375 F ASSEMBLY VOL. 'PROVIDED=2829CF tW F�r ,/j O\ OUTLET P TECTION 4 WEIR WIkH=4' \\ \ \\ \�- J_--- / /p s E�'C \ DA=0.7ac SKIM ER SIZE:'a,5 \\ \\ \ r - INSTALL EXCELIOR MATTING IN /j\ . _ --' SEMBLY �� / 1 /• \ Q1o=2.5c s \ �\ I \ SKIM ER ORIFICE DI ROADSIDE DITCH IMMEDIATELY ' / ` 1 .a \ `Qfu;1.1cf DEW TERI G)Ni DAYS \ \\ LLB `�\ %� 2 / . \ \\ \yf\ui s `�__S E ® TSB 1 \\\ \\ �w AFTER GRADING/INSTALLATION OUTLET PROTECTION 1 / \ \ \ DO 5' ----�, cn 54 i� •` `\ , TEMP. SIL NCE -zss.s �\ \ N>s=1 \S39' �\ w \\ \\ \\\ Q10=5.4cfs /' \ CLAS�A 3 g OUTLET PROTECTION 4I\V10=6.8fp�' SHO \ `\ \ La=42D� ft O \\ _ L i� DA=O. ac / \ \ \ , ,, 41 _Qa 5cfr - 34 \ OUTLET PROTECTION 5 Qfull-1 cfs `\ \ _ Vfu11=7.Ofps 11 » \ `� N EVE D� WATER- _ \ \ \ - �3 - V10= .l fps �' J II O DA=0.2ac \ �\ \ \ ��\ DO=1.5' NEW 8 X8 TEE �\ \�� `�11► S R - P 3� \\ - �' Qf 11= 1cf - . ZONE=1 W/2-8 GV S \ _ \ N II I _ ps I _ V Q=3.4fps \ 41 CLASS=A �� ���� \ EA hi/y2E . 5 vX\J1=s' `" DO=1 I Qfu11=11.Ocfs \ / \"\ \ �r 8 \ \ \ -�\ 49 ® O .I ___--- f---- Vfull= 2fps \ La=4XDO=6ft ••// x b D50=3" l DI \ / �0, 87 ` `.Q \ �\\ ��I I CLAS =� 'I I� \\\ DONE=\ \ /� DEPTH=12" �� \ s \ _ _ \ \ \ ¢ I �I uj J.a=4 DO Eft / 4 LASS=A l / s �F �� _ �I \052�,a=01)04ftW2=1.25XW1=6' \ � 21O� \ % / �� \ z W1= .5' I \ 50=6" 5 / TEMPORARY SKIMMER BASIN 1 W BAFFLES �� ��•. \s'C ` ���,���,Q U IITY EA€�v1ENT 23 W2= .25XW1=6' I 3 1 DEPTH=18, / ah SCALE D.A.=0.6AC. _ \ TOTAL DRAINAGE AREA=2.OAC.`� �� 1 I =25sa�-p Q10=(0.3)(7.31N/HR)(2.OAC.)=4.4CFS_ _ �' Y (/ \ ��� D-+ �_ . , 25 W2=1.25XWi 6' $o _ o Aso VOL. REQ'D=1,800CE/AC'(O1AC)=*08OCF SURFACE I" Q'D=325SF/CFS (4.4CFS)=1430SF TOP L=50 , TOP W=30', D=2' , I (2:1 SIDE SLOPES - 7 DAY STABILIZATION TIME FRAME TYP.) J SURFACE AREA PROVIDED=1500SF VOL. 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