The URL can be used to link to this page

Home My WebLink AboutSW5240601_Plansheet - Existing Drainage Area_20241024 C� ,SIG \ \ - - - - ' \ ` I ► I I ' I II \ ` \ / /lr/�ri / /rr / / lri / �� yy 0 1 INI lu I \\ ' / / ` I N III PRE-DEVELOPMENT STORMWATER QUANTITY CONTROL 7-ADM/NISTRDORMS" II I I iI DRAINAGEZSTORYBRICK \ w r CURVE Q1 Q10 Q100 GRAVEL Ir PRE-DEVELOPMENT AREA a NUMBER= \ \ \ GRA (Acres)w ASP� TPARKINGw o=¢ _c = _ _ _ _ \ J 1 I \ \ �I \ \ II \ \ 3,�9, \ \ _ I - I _T DRAINAGE AREA B . \ _ - , - -\ \ \ / / I� / / I ANALYSIS POINT A 9.83 74 5.01 16.06 30.57 =aa - \`- I/ \ I I 1 I \ \ I \ 1 II \ \ _ \ \ I J DIS - - \ IMPERVIOUS: 1 .16-AC \ \ 1- \ X ` ANALYSIS POINT B 3.38 14 2.05 6.52 12.41 z z¢ - UG/� - - _ , 1 \ \ 3 O\ \ \ c�� \ - \ - _ 3 = I- UGP I III . • °z 1 �� ) I \ \ \ \ I 8 \ '4 I -�- - GEiv 4/ d'�� + I \ p�_ \ ` � � I - �- J�' \ \ _ \ \ / / I I \ /\\I ` \ \ `\ \ \ \ \ \ - ` _ PERVIOUS: 2.22-AC \ _ _ - \v I I NOTE: POST-DEVELOPMENT FLOW IS LESS THAN PRE-DEVELOPMENT FLOW AT ALL ANALYSIS POINTS. _ \ I I \ \ 1 \ \ \ I ' UG/' N I III REFER TO CALCULATION BOOKLET FOR ADDITIONAL INFORMATION. z z° \ \ \� I\ \ - -�zy // /�\ II 1 \ I m \\ \\ \ / t 3 7 � �- \\ �, I- - _! / ' ,\�_ �ic34p- � TOTAL: 3.38-AC \ I `\ �� - - �Q\ ,' N INII 1 III ,, 1937 _° (` \ \ 7 r 1 �\ I \ \ - - _ - `33 _ /T//Tl/ /?? %%/ �I fir- - - - - i ~ - \ - \ \ \ - - - \ 1 ) �I1.\��1✓ \ Q \\ \ \ \ \336 \ - _ _ _ - :-` \ - _ -� - / _" 9/` "s_CAF /,{ III I - - - - - 1 SIGN�i \ I c:, I 1 Q ETERIA" %} / I 52.47 II I \ N I I • -off _- _ -��r /77/7T/ /� ��' R■� 9 �� ' _ \ I l \ \ \\ ` \ \ \ STATE OF NORTH M \ --- \ �`61 L=2 .U4' �S ° J I- _e \� ,� I �I I , STORMWATER QUALITY CALCULATIONS E P __- - - -/ \ I ' �\ - ` ` \ \ \ \ \ M /T//Tl/� /7T/TT/ I STo�e / O 6 _ _ G� ` . . ■ ■ �■� �' f I I I I I EXISTING PRE-1997 IMPERVIOUS SURFACE AREA BUILT BEFORE 1997 = ` _\ ` _ _ _ _ _ - i \ \\ \✓I 1 \ I \ CAROL/NA \ er Lm co �'/ I /� I 111 �/ Ic I 4.06AC North Carolina DB 00 PG. 00 °S"P _ GL p �■� 3'T \ �r _ T, x I I II EXISTING IMPERVIOUS SURFACE AREA BUILT BEFORE 1997 TO BE DEMOLISHED = J \ I '/ I VTORYBRICK _ _ V�I V 34' I` ` ` Cl� / M ! I I �� / ` ' 1 I� I '/ i STORY BRICK / \ - \ ` \ \ M i REI D 0138565 \ 1 I / _ \ \ w t `�' / - c�=�- o- i - - - / P- �� UCATV � I I � 3.16AC State Bureau o RE/D 0175582 ///�/ �(��/�/ N ' Q 1 N \ I I I J III EXISTING IMPERVIOUS SURFACE AREA BUILT BEFORE 1997 TO REMAIN = \ \ \ \ AC �$ � A� - ' / % , \ P� / I 1 10 F �` - W - W- _� -W- - \ \_ REID 0180976 _ _ /- - �-clG -� - _ \ r o _w \ , _ Ip I 4.06 - 3.16 0.90 AC Investigations PIN 1702812547 - - - - - - _ - - I �\ I \ �� I c� I I \\ 1 x\ , X X X \ 0 2 :3 ' I EXISTING IMPERVIOUS SURFACE AREA BUILT AFTER 1997 = \ - _ I - - \ -UGP-_ = e 11/ ♦ 50 x \ / 168.3 ' 2 W I I I 0.53 AC � � \ - \ `-1,\ 404 E TRYON RD - \ 1� _ __ I 0 \ � I 1 I \ =7 ' A ° , .- � GP-R s ♦ EXISTING IMPERVIOUS SURFACE AREA BUILT AFTER 1997 TO BE DEMOLISHED = \ \ \ \ \ 3 I _ � S87 16 W� r L-5 .67' �v c� , ' � v rANK ■ \ � I 1 \ > � � \ x 'o � ■ I I >. 3522GARNERRD ' -- - I I I - _ ==\ CD rn II0.49 AC \ ------_, _ I ■° I w . . . -I' ' = III I� EXISTING IMPERVIOUS SURFACE AREA BUILT AFTER 1997 TO REMAIN = l / - 3320 GARNER RD __ , \ TAANK i y M M M - 1G S86 os�GQ' �,, 0.53 - 0.49 = 0.04 AC \ \ \ \ \ \ \ \ \ \ N. \ I \\ \\ \ \ '�\ \ ` \ \ ' --t-----j �WWW M I I I I UGP- \ III \ \ \ _ \ \ I _ \ \ - ` _ _ _ _ _ _//__- = %- - }-1-11111 - , %� ■ \ II I I ■ G I� TOTAL NEW IMPERVIOUS SURFACE AREA WITHIN SITE BOUNDARY8.47 AC = \ \\ ` \ \ \ \ \ \ I \t `\� \ - / I \ _I \ 1 - / - - -, - � - s _ T S ii � ■ I gQ\, 1 I I / ■Lo Goo - / I \ _ p � � / \ NEW IMPERVIOUS SURFACE AREA(FUTURE) _ OHT� - I \ ® •13" ' 1 0 �,�''``�� '`� �'`� IIIPf STORY - 1 �` 0 � Q 0 a �Q / I � _\ \ ____ I i ' I L � �� _ _ BRICK - I \ I C�H7 \\®U P-II- 'c- _ Q i ■ I / \ / I I I I ■1 / I I 2.28 AC II 6"`11� /` ,z,,G � �,I,, „///1 ' I t I j I I I ' I / ' \\ 1 ^ I IMPERVIOUS SURFACE AREA TREATED WITH WET POND (DRAINAGE AREA W) _ == _1 I - \_ I T �� 1 I I I I 1 d I / II\ 5.97 AC 421 N HARRINGTON STREET SUITE 700 _-----;__ -�+ - ANALYSIS POINT B / , I I -- --UGP- - GT U6T - 8" ANC / / / /' / ' I ` glll \ / / I / I I -UGP- -\ - �-(yGP-NrTC, GT� __ _ ■ \ I I I IMPERVIOUS SURFACE AREA TREATED WITH WET POND (INCLUDING FUTURE) = RALEIGH, NORTH CAROLINA 27603 I I / / - �- - ♦ 5.97 + 2.28 = 7.25AC �- 8"SAN{- 1 I --,UGP- - uG g^BAN -s" , / /T/ / /77,/ I / I / / \ 1 I-_- ■ I I TEL. 919.829.2700 FAX. 919.829.2730 s"SAN- ->t / - T / sRE_o I F+ \ I I I / o \ I \ I \ \ I I I __= IMPERVIOUS SURFACE AREA REQUIRED TO BE TREATED = WWW.LS3P.COM �,��Q � I N87°3231 � . . � .�'o \ I 8.47 - 3.16 + 0.04 = 5.35 AC_ .�� . _ . . ■ . I 1 I x x r 17 1 N , L=60.39''\- - E ---r I 1 EXCESS IMPERVIOUS SURFACE AREA CAPTURED BY SCM � - I "74SBIGYM / I / / 43 y \ , I 2 ' I 7.25-5.35 = 1.90 AC _ - - - - `.. _ 3 STORY I / A�IA "� \ ' i 'i ' i i ll- - - - - / - _ _ _ ^ \ - \/�I \ BRICK N"' `1 \ ■ \ 1 /SHED / ,+ - - - - - _ 4 �= - - _ \\ ` \� it � ' / I / \ Lo �.� / , \ I I TIMMONS GROUP / /33 I I PRE-DEVELOPMENT IMPERVIOUS AREA AND WATER QUALITY TREATMENT I M I I \ �" II RING I C dGN I TECHNOLOGY r' , I •J� \ Ln zl I I I I I I NC LICENSE NUMBER C-1652 316_ _ - -_ -_ '_ , - / " �� _ _ - - - _ S a - /�/�/�/ �/ / r - \ 1 ■ I I 10' SETBACK I IIII II IMPERVIOUS ADDED BEFORE 1997 Timmons Group - _ - - '� w \\ DYSH �J I'/� ' / ' / I / \ 1 V I I I I Attn: Frank Slinsk , PE / �. _ - ww� - I ��" I I `� ' TIME OF I ' R=50.00 � II TO REMAIN (0.90 ACRES) Y 31819_ _ / �d _ _ 1_ / - / \ L=43.26' Y/ I / 3 '/ $�` ( / 1-= �' �I 36 ' / / - U I ` \ \ ' I III 5410 Trinity Road; Suite 102 320- / // - / - -p -�, �- - 3- - -�-UFO/ / / \ \ d / I I Raleigh, NC 27607 - / _ , ' ��. �3`>; � - _ _ _ _ / _ _ _ _ _� - _ _ _ _ � u � CONCENTRATION r' / M I - _ -321 / '/F 3`��/ \ l i i TJGP- -- =-UGP=�- _ ' G -3 '- G-y t`i / L / \ \ \ ♦ / I I \ g D _ - - - / / �,2,�, $ , _ _ _ _ _ _ - - _ $ 7-- , , - - • _ G- �_ - - G-/- Iu I IMPERVIOUS ADDED AFTER 1997 Phone: 919.866.4505 322 �`�g2•/ /� �/ \ .32 / / �_ P / 33 LINE AREA B I \ I I I I �r TO REMAIN (0.04 ACRES) Fax: 919.859.5663 / -G- - / _ - \ / ASPHALT PARKING _ - / \ - - _ _ - - - - /ii ' .39 I `♦ da // \\ I III I / II I FOR REVIEW ONLY - 'k � I / \ „ N - _ IMPERVIOUS ADDED BEFORE 1997 NOT FOR CONSTRUCTION - = �� ' _ a� ro $_ / / M / I \ R=50.00 ( 1 \ I OG \ L-45.08' ` I TO BE DEMOLISHED 3.16 ACRES �0 -ter- - --(J� / - - �� - - - - s� / c'�_ - - - ' / / 'J 1 ` - \ - ` . 1 I // \ \ \ \ i I I \ _/ ( ) `� ��,N,CA/? "I UFO- y N- / - ' / � I \k✓v / ' ' ' - I .�U ' / /- W IS' t ` Z� I / I 'Io �I IMPERVIOUS ADDED AFTER 1997 OFESS/ 334 / - _ o --=wr \ , f I/ ' I \ MI5 � I I II 335 - _ ____ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - _ / / � \ N87°56'04 I - �11 r I TO BE DEMOLISHED (0.49ACRES) \ / 336 - _ - - - - - - - - - - �. . . . . N86°54'06"E / _ / \\ 0 \�:cu II I I \ N I IN I -$' w-I \ E"I�/ DRAINAGE AREAFNGINE�� , L=58.94' ♦ -\- I i , ,n11 III ' /S SLINS�� / /f 0 / I I I I III TIME OF CONCENTRATION FLOW LINE / IN, ASPHA�PA KING / ■ I \ I I / / �� / / / ' C11//4// ■ \ ` R=50.00 ♦♦ ` I 1 ' I III COPYRIGHT 2024 ALL RIGHTS RESERVED. PRINTED OR ` I I ® ELECTRONIC DRAWINGS AND DOCUMENTATION MAY_UF NOT BE REPRODUCED IN ANY FORM WITHOUT WRITTEN P - I UGP/ / \ � � \ 1 \ \ \ 1 I I I I � � PERMISSION FROM LS3P ASSOCIATES LTD. S/rA/ - \ \ 1 \ \ \ 1 / X I II II TOTAL SITE AREA= 665,666 SF (15.29 AC) i a may ■ ■ � C \ h -341 - - -_ TV- -7 r 06 / / j 8"W '� / / / ■� 3 wv ' =C=_- - 343 = - �. _ _ - - - - �- uG - - u P - - - S \ 1 I I 'I- -'/ �'w £ ' �sy�=J =345 344 ,8'f�7" _ £_ - GP 8"W � �- - s" S s-\" W -$" o. „N ® \ \ \` w' 1 I ` \\ \ \\ \ IIo I I I I� II y$ \ \ \ \ '71 ", kkk Vat I IN, On ■ L I- / I I \ r _ -�'/�/ \ \ - - - - - _ `_ - -\ \ \ \ � � � � � �� -\ \ >s- rr" s ,,,/ osl `\ 5,E .��\� ` I / � /I I / - // I 'I I I� ■� N�Z� 5� \, \ \ \ �� I � , •`•��11 \ _ w \ \ \ \ \�` s/ - -UFO- � _ \ _ _ \ \ -UUFOGP- - -I GIP \ II \ \ ■ \ -UGP -r - T _ 343 - - - ° \ \ u� -344= - -UG¢' \ u I III a C1 ' 1 \ \\ \ \ \1 ` � / '% � _ _342341 ' �,�, ° - 40� ��_342\_343 - - - - - - - - �OFO -�-UGP � �UGP - - � �UGP� � I I I \ UG -1- -UGP- I _ �339-_-338- x I \ I / \ \1\ \\ I ' / ' 342 ' // ' / / \ UGP_ 1 - - - �o I I �I �\ -� - I i� LM Ir II 8 SIGN _ I 1 \ vl 1 1 1 I f \� i o \ \�\\\\\\ \ I , ' / //�_ 3 x x \\ c I 1 1 I I O \ M \\ \ \ \ \ I M _ \ - / II - I \ ■ ASPHALT I I -0-- ,D) \ _ DRAINAGE AREA 'A': / �A\ ` \\ 1 M I `�° ' I / ' \\ ' y I ' I CU I .A \ 1 � ` / �■ IMPERVIOUS: 2.03-AC '343 - l l \\ \ \ j - \I X i \1 GE ®- / I \\ ` k / s,�N � �II I\ z \ 10' SETBACK \ / \ _ \ \ \ � \ 1 II \ /\I Q\ - ` / I \\'' �\ \ 6 K 1 I - UFO I Iq' \ PERVIOUS: 7.80 AC I I - A\ \�\ \ I I I \PROPANE \ I \ I I I I I , I� \ C:) r \\ - - \ \\\\ \ 1 .�_ / TANK / I I \\ I\ I I I I I��I ` Cr .� NN O� TOTAL: 9.83-AC '/ \ \ 1 I I 0 - \ \ �\\ \ \ ) \ `\\ ` `- ` I I \ \ cn I I ■ 1 I � I 1 \ \ \ I III I I � � CO N N. 341 _ ' \ I 11 c+� I M ■ I v / 11 \ I I I I III N O I I / - -n - I I I I I oZ I I I I N ao o ch1 I Ia 1 I 1 ee®,: � \ \�\� \\ \ \ \ ) \ \ \ \ \ \ / \ \ I- I \ \ I I \ I -M; ■ I 1 uND��G D �`\ rn\ I I t ■ I 1 I rANIZaREA \ 1 I I 1 IIII I I I OC O N U W \\ \ \ \ ' / I I I M LU \ \ \ I \\ 1 I II \\\ I M M I kD \ I I I I\ I I I I I 0 ( t`' \ \` ` `4 .�\ I \ \ \ \ \ ', ` ' - - _ ' \ ` \ I I \ \ I ) I II x■ I / I I 1 II II\ RN�N a a \`\� IL ` \\ \ ■ IN IIII 1 CV 0 IN� co x I I I \ �\ \ _ G � \ try\ � \ / I \\\ Illln�� S UGP- _UGP I / iiI x� II�III I 1 in _ \ \\ \ \\ 1\l \ \ \ \ \ \ \ \ \� �� \ \ \ � - - \\ / \lllflll "�JI I L � \ � � 1 III I / I � 11 I I I I I I�`� I 1A DATE DESCRIPTION TIME OF CD CONCENTRATION ��\ \� / / ' J�On// /l ■ I I I 10-10-2024 NGDEO STORMWATER 2ND SUBMITTAL � � I � 3 LINE AREA A - , , I�I I I \ \ \ G / /i / / / / ) 1 o - - 336- It \\ \ \\ \ 1 \ 1 / ' I 1 ` \ �� 1 ■ 1 1 ' I I I I ` 1 \\\I MI �'' \ Ix IN, �339 �o N ` / I \ J ` \ \ l / I M \■ \ I 1 I i I 1 I \ \\ Ita I ,' ■ , I \1 I 1N kk J Q `�; `:.�` \\ \ -�-' 1\I �`.� w M ``� / 339 _ _ _ _ - ' _ ' I I ■ 344 I 1 1 ANALYSIS POINT A ' �'x�"F �� ' - - - - _ uFo ' x -UFO �1, 4_ I ■ \ ' �� / �1 I \ .. I \ ♦ � - , _ X - x_!x uFo- - - - \ I 10' SETBACK\ \ ° N. - - -__ - _ - - - \ - - - ^ - _ �X N87°32'04"E \ 432.31' 4 NC RAILROAD COMPANY`::. = /� REID0447149 ` \ `\ I 1 I II I (1 '/// -_ - -r / ��- - - T /-�t� � / , \ 110 PUBLIC R/W� � Z4 P1N1702913322 - _ � � ' � � ' � � � ' • �- ■ ■ �� ■ ■ \ \ \ III 1 11 �\\II/ / /� 4 _ -= • / 214.94' ^ E. �TRYON RD. - \ 0 HAMMOND RD �6 nth r�lj� �, (B.H.M.2, PG.78) 344 - - / y 2 - \ - -�� - Q� = � �-___ = = Q� /�-- - �� - SHEET NAME: PRE-DEVELOPMENT STORMWATER \ MANAGEMENT PLAN y \ V ORIG 2024.09.12 - - \ \ SUBMISSION: 00 \ a - \ z - - SCALE 1"=50' SHEET: 0 50' 160, C=701 1 2 3 4 1 5 6 100% CONSTRUCTION DOCUMENTS L