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HomeMy WebLinkAboutWPO200302301 Stormwater Mgmt Facility 1 - Calculations 2004-01-15 (1) • • HYDROLOGIC/HYDRAULIC CALCULATIONS FOR HOLLYMEAD TOWNCENTER .RERGIONAL SERVICE AREA C SEDIMENT BASIN 1 January 15, 2004 LOCATION: Tax Map 32 Parce141D Albemarle County,Virginia • PREPARED BY: Rivanna Engineering & Surveying, PLC P.O. Box 7603 Charlottesville, VA 22906 P: 434.984.1599 • F: 434.984.8863 NOTES: The composite curve number used for these calculations allows for the construction of Anchor A on Regional Service Area B, Block C1 on Regional Service Area C, and Timberwood Boulevard. When these areas are constructed the sediment basin will have to be converted to a Stormwater management facility and the cap removed from the 18-inch outlet to Forest Lakes. " 1 .,�ij44.Z3, ZA,4 Hollymead Towncenter 1/19/2004 Regional Service Area C Sediment Basin 1 FLOOD HYDROGRAPH REPORT Hydrograph Number: 2 Name: DA-Z, 10 year Type: Computed Flood [HYDROGRAPH INFORMATION] Peak Flow (Qp) = 180.83 (cfs) Time to Peak (Tp) = 720.00 (min) Time of Base (Tb) = 1472.39 (min) Volume = 10.3260 (ac-ft) Time Step = 2.00 (min) Flow Multiplier = 1.00 [UNIT HYDROGRAPH INFORMATION] Number = 1 Type = SCS Curvilinear Peak Flow (Qp) = 190.58 (cfs) Time to Peak (Tp) = 6.67 (min) Time of Base (Tb) = 33.33 (min) Volume = 2.3423 (ac-ft) Shape Factor = 484.00 Time Step: = 2.00 (min) Excess Rain = 1.00 (in) Lag Time = 6.00 (min) [BASIN INFORMATION] [WEIGHTED WATERSHED AREA] Description Area CN <None> Overall Approximation 28.0000 86 [TIME CONCENTRATION -- User Defined] , Time of Concentration (Tc) = 10.00 (min) [RAINFALL DESCRIPTION] Distribution Type = SCS II Total Precipitation = 6.00 (in) Return Period = 2 (yr) Storm Duration = 24.00 (hr) 2 Hollymead Towncenter 1/19/2004 Regional Service Area C Sediment Basin 1 FLOOD HYDROGRAPH REPORT Hydrograph Number: 3 Name: DA-Z, 100 year Type: Computed Flood [HYDROGRAPH INFORMATION] Peak Flow (Qp) = 253.98 (cfs) Time to Peak (Tp) = 720.00 (min) Time of Base (Tb) = 1472.39 (min) Volume = 14.8278 (ac-ft) Time Step = 2.00 (min) Flow Multiplier = 1.00 [UNIT HYDROGRAPH INFORMATION] Number = 1 Type SCS Curvilinear Peak Flow (Qp) = 190.58 (cfs) Time to Peak (Tp) = 6.67 (min) Time of Base (Tb) = 33.33 (min) Volume = 2.3423 (ac-ft) Shape Factor = 484.00 Time Step: = 2.00 (min) Excess Rain = 1.00 (in) Lag Time = 6.00 (min) [BASIN INFORMATION] [WEIGHTED WATERSHED AREA] Description Area CN <None> Overall Approximation 28.0000 86 [TIME CONCENTRATION -- User Defined] Time of Concentration (Tc) - = 10.00 (min) [RAINFALL DESCRIPTION] - Distribution Type = SCS II Total Precipitation = 8.00 (in) Return Period = 2 (yr) Storm Duration = 24.00 (hr) 3 Hollymead Towncenter 1/19/2004 Regional Service Area C Sediment Basin 1 OUTLET STRUCTURE REPORT Structure Number : 1 Type : Stand Pipe Name : SWM1- Sed. Basin Structure [RATING CURVE LIMIT] Minimum Elevation = 511.0000 (ft) Maximum Elevation = 529.0000 (ft) Elevation Increment = 0.5000 (ft) [STAND PIPE INFORMATION] [ORIFICE INFORMATION] Diameter = 5.00 (ft) Crest Length = 15.71 (ft) Effective Crest Length = 11.71 (ft) Orifice Coefficient = 0.60 Fractional Open Area = 1.00 [ORIFICE EQUATION] Q = Co*A( (2gh) /k) ^0.5 [DEFINITIONS] Co = Orifice Coefficient A = Wetted Area, (sq ft) [WEIR INFORMATION] Crest Elevation = 525.5000 (ft) Weir Coefficient = 3.33 Exponential = 1.50 [WEIR EQUATION] Q = Cw * L * H^exp [DEFINITIONS] • Cw = Weir Coefficient H = Headwater depth above inlet control section invert ft L = Crest lenght ft [OPTIONAL WEIR INFORMATION] Structure Number : 1 Type : Rectangular Weir Suppressed [WEIR INFORMATION] Crest Length = 4.00 (ft) Crest Elevation = 523.7500 (ft) Weir Coefficient = 3.33 Exponential = 1.50 4 Hollymead Towncenter 1/19/2004 • Regional Service Area C Sediment Basin 1 [RECTANGULAR SUPRESSED EQUATION] Q = Cw * L * H^exp [DEFINITIONS] Cw =. Weir Coefficient H = Headwater depth above inlet control section invert L = Crest lenght [CULVERT INFORMATION] Type : Circular Concrete - Square Edge with Headwall [OUTLET STRUCTURE INFORMATION] Diameter = 36.00 (in) Invert Elevation = 519.0000 (ft) Pipe Length = 120.00 (ft) Slope = 0.01 Manning's n Value = 0.01 , Orifice Coefficient = 0.60 Tailwater Elevation = 517.8000 (ft) Number of Barrels = 1 [UNSUBMERGED EQUATION] H/Diam = Hc/Diam+K* (Q/ (A*Diam^0.5) ) AM-0.5*S Coefficient K = 0.01 Coefficient M = 2.00 Q Maximum = 42.85 [SUBMERGED EQUATION] H/Diam = c* (Q/ (A*Diam^0.5) ) A2+Y-0.5*S Coefficient c = 0.04 Coefficient Y = 0.67 Q Minimum = 48.97 [DEFINITIONS] H = Headwater depth above inlet control section invert, (ft) Diam = Interior height of culvert barrel, (ft) He = Specific head at critical depth (dc+Vc^2/2g) , (ft) • Q = Discharge, (cfs) A = Full cross sectional area of culvert barrel, (sq ft) S = Culvert barrel slope, (ft/ft) 5 Hollymead Towncenter 1/19/2004 • Regional Service Area C Sediment Basin 1 [STAND PIPE STAGE VS. DISCHARGE] , OUTLET STRUCTURE REPORT Elevation Stage Weirs Orifices Stand Pipe Culvert Total (ft) (ft) (cfs) (cfs) (cfs) (cfs) (cfs) 519.0000 4.0000 0.00 0.00 0.00 .0.00 0.00 519.5000 4.5000 0.00 0.00 0.00 0.00 0.00 520.0000 5.0000 0.00 0.00 0.00 5.57 0.00 520.5000 5.5000 0.00 0.00 0.00 11. 63 0.00 521.0000 6.0000 0.00 0.00 0.00 19.00 0.00 521.5000 6.5000 0.00 0.00 0.00 27.03 0.00 522.0000 7.0000 0.00 0.00 0.00 35.15 0.00 522.5000 7.5000 0.00 0.00 0.00 42.85 0.00 523.0000 8.0000 0.00 0.00 0.00 50.08 0.00 523.5000 8.5000 0.00 0.00 0.00 55.99 0.00 524.0000 9.0000 1.67 0.00 0.00 61.04 1. 67 524.5000 9.5000 8.65 0.00 0.00 65.68 8. 65 525.0000 10.0000 18.62 0.00 0.00 ' 70.16 18. 62 525.5000 10.5000 30.84 0.00 0.00 74.45 30.84 526.0000 11.0000 44.95 0.00 13.78 78.53 58.74 526.5000 11.5000 60.74 0.00 38.99 82.44 82.44 527.0000 12.0000 78.04 0.00 71.63 86.21 86..21 527.5000 12.5000 96.73 0.00 108.68 89.82 89.82 528.0000 13.0000 116.70 0.00 137.71 93.32 93.32 528.5000 13.5000 137.89 0.00 163.69 96.70 96.70 529.0000 14.0000 160.23 0.00 176.80 99.97 99. 97 6 Hollymead Towncenter 1/19/2004 Regional Service Area C Sediment Basin 1 RESERVOIR REPORT Reservoir Number: 1 Name: SWM1 - SED BASIN [RATING CURVE LIMIT] Minimum Elevation = 511.0000 (ft) Maximum Elevation = 529.0000 (ft) Elevation Increment = 0.5000 (ft) [STAGE STORAGE INFORMATION] [DISCHARGE INFORMATION] Structure Number: 1 Type: Name: SWM1- Sed. Basin Structure [RESERVOIR STAGE STORAGE/DISCHARGE] Elevation Stage Area Storage Discharge (ft) (ft) (sq ft) (cu ft) (cfs) 519.5000 8.5000 0.0000 0.0000 0.00 520.0000 9.0000 32269.0000 8067.2500 0.00 520.5000 9.5000 33471.5000 24502.3750 0.00 521.0000 10.0000 34674.0000 41538.7500 0.00 521.5000 10.5000 35876.5000 59176.3750 0.00 522.0000 11.0000 37079.0000 77415.2500 0.00 522.5000 11.5000 38343.0000 96270.7500 0.00 523.0000 12.0000 39607.0000 115758.2500 0.00 523.5000 12.5000 40871.0000 135877.7500 0.00 524.0000 13.0000 42135.0000 156629.2500 1.67 524.5000 13.5000 43441.5000 178023.3750 8.65 ' 525.0000 14.0000 44748.0000 200070.7500 18.62 525.5000 14.5000 . 45921.2500 222738.0625 30.84 526.0000 15.0000 47094.5000 245992.0000 58.74 526.5000 15.5000 48314.6250 269844.2813 82.44 527.0000 16.0000 49534.7500 294306.6250 86.21 527.5000 16.5000 50754.8750 319379.0313 89.82 528.0000 17.0000 51975.0000 345061.5000 93.32 528.5000 17.5000 52612.5000 371208.3750 96.70 529.0000 18.0000 53250.0000 397674.0000 99.97 Maximum Storage = 397674.0000 (cu ft) Maximum Discharge = 99. 97 (cfs) 7 A • Hollymead Towncenter 1/19/2004 • Regional Service Area C Sediment Basin 1 FLOOD HYDROGRAPH REPORT Hydrograph Number: 4 Name: DA-Z Rtd. , 2 year Type: Reservoir: Modified Puls [HYDROGRAPH INFORMATION] Peak Flow (Qp) = 5.15 (cfs) Time to Peak (Tp) = 806.00 (min) Time of Base (Tb) = 2880.00 (min) Volume. = 2.8423 (ac-ft) Time Step = 2.00 (min) Peak Elevation = 524.2494 (ft) Detention Time = NA [RESERVOIR STRUCTURE INFORMATION] Number = 1 Name = SWM1 - SED BASIN Storage Type = User-Defined Area Maximum Storage = 397674.0000 (cu ft) Maximum Discharge = 99.97 (cfs) [INFLOW HYDROGRAPH INFORMATION] Number = 1 Name = DA-Z, 2 year Peak Flow (Qp) = 107.33 (cfs) Time to Peak (Tp) = 720.00 (min) Time of Base (Tb) = 1472.39 (min) Volume = 5.9620 (ac-ft) Flow Multiplier = 1.00 8 ', Hollymead Towncenter 1/19/2004 Regional Service Area C Sediment Basin 1 FLOOD HYDROGRAPH REPORT Hydrograph Number: 5 Name: DA-Z Rtd. , 10 year Type: Reservoir: Modified Puls [HYDROGRAPH INFORMATION] Peak Flow (Qp) = 46.25 (cfs) Time to Peak (Tp) = 732.00 (min) Time of Base (Tb) = 2880.00 (min) Volume = 7.2062 (ac-ft) Time Step = 2.00 (min) Peak Elevation = 525.7762 (ft) Detention Time = NA [RESERVOIR STRUCTURE INFORMATION] Number = 1 Name = SWM1 - SED BASIN Storage Type = User-Defined Area Maximum Storage = 397674.0000 (cu ft) Maximum Discharge = 99.97 (cfs) [INFLOW HYDROGRAPH INFORMATION] Number = 2 Name = DA-Z, 10 year Peak Flow (Qp) = 180.83 (cfs) Time to Peak (Tp) = 720.00 (min) Time of Base (Tb) = 1472.39 (min) Volume = 10.3260 (ac-ft) Flow Multiplier = 1.00 9 Hollymead Towncenter 1/19/2004 • Regional Service Area C Sediment Basin 1 FLOOD HYDROGRAPH REPORT Hydrograph Number: 6 Name: DA-Z Rtd., 100 year Type: Reservoir: Modified Puls [HYDROGRAPH INFORMATION] Peak Flow (Qp) = 88.42 (cfs) Time to Peak (Tp) = 730.00 (min) Time of Base (Tb) = 2880.00 (min) Volume = 11.7080 (ac-ft) Time Step = 2.00 (min) Peak Elevation = 527.3060 (ft) Detention Time = NA [RESERVOIR STRUCTURE INFORMATION] Number = 1 Name = SWM1 - SED BASIN Storage Type = User-Defined Area Maximum Storage = 397674.0000 (cu ft) Maximum Discharge = 99.97 (cfs) [INFLOW HYDROGRAPH INFORMATION] Number = 3 Name = DA-Z, 100 year Peak Flow (Qp) = 253.98 (cfs) Time to Peak (Tp) = 720.00 (min) Time of Base (Tb) = 1472.39 (min) Volume = 14.8278 (ac-ft) Flow Multiplier = 1.00 10 • ,\11/\', ••4•,,:,2 .N , • ( 7 ,,,,1 jk: „,.., , ii,.. ii,,_:_______________________ ___ _L__,,,, , . , , q., . .....r _______________ _______.. _.) ,) < „, , , , ,,,. .., ,,,_, , ii , , ,, r`-v \\, ,,.., I - ' , n:: i t IIN — I{9 , \ 1 I�C7;; II ---C , ''mil - _ —�'' . 4: i •••l is L.:::-..,!... 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I N\ NI ki LI l'E ;r1 \:1 I 1, I':49 1,g.3:2-::,:, • 1 i i 1\ N\ , 1 lj if Ill(' - _ -i-s 7 ,/,� ��ti1ti�D /� `\\ t� o 1 i ;I: N II 1 �.-- - ,m/• �'a4cr 6�ouroy�,�a��omul c «, / /,, 1 j I1 1 s ra I ' 1 1 1.zli l t f,zl(Ntik„ �"I I er•: N c- o /( 4 , .. ,- ,-- , -� I I I� 1 I I '(�A'\ N �' , ,� ,„ • „ , , , . , , , „, II , ,1 Ili I Ij i # f 1 f d . / , /�- .1�5� �/ /''' a riot% �/. '/� l3 1 t 'I j ®y '' o°sP°�a / 111, aI1 \ �, )uatuaso3 6}I,1[ga� �_T� ,'/ i' ''' '' , \ ,\ (!J I 1� y � ( 4. �wa6�uory AMA- rods ' /�' j /,' ,/ N.,,,, \ ......\10 1 ;,,, , „..--' /'''''''''' ,/' / .-/ "\\.\\\\N' 2: . . r ‘N:,,\,>,.-s.N. \N\N\ cl'',....,'•ty 1, .,, ./ 0 N 1 (.:1'--.1 ----- - N ___ ..-..-'1.7-' ......,-/- _,./:---' U) Project Title: Drawing Title: c �, o ,��66 40 RIVANNA ENGINEERING & CD HOLLYMEAD TOWN CENTER SWM1 DETAIL y S =y g§ �= SURVEYING, PLC. 0 STORM WATER MANAGEMENT FACILITY 1 1�� c, r District, y m q. N z R PHONE:004)984-1599 ��• Rivanna Lis-tric4, Albemarle County, Virginia Drawing Scale: 1'wk 60 Drown By. Oa -File Nome:32-41D-B.dp 4ff.R o \,��D�c P.O.BOX 7803 FAX: (B04)994-BB83 Dote: 10.fl.03 Checked By. 1R41 Project No.: 1003 ^� Charlottesville,VA 22908 EIIAH:RESINCSTONE.NET LJ__I • - - -------..._------- - -- -- --_- _.- - ---- .... .-7- _-._.. __ - -..__._...__._.... ------_--------_-- --..._.._....__------ __ ----� -- --- -- - W.__ _-_.-_._._3 1C) C ) I , I • -.__ --.- W • J L'— ' --- __.._._..._._... -- _._.__..__.......-....... _._ LC) II I- ----- -- __ —---- —. ___---- ---— —— —--- — 1 CD I- ~ __CD__ _.. --_---- —•— -----. -- - -- _-. _-__ - 530 - • O L� i-- II I II I1 0 - � --1 • c� CC _..__. Cr) 7 I- Cnf z z - _. - _ - - ----- -...__._...... - ---- _._ __-___..._..-- - -.. - - /7777-7-- -- W HIG ! WATER EL€ - = --- 525 --_-_-____ - - -1 --..__._ _ -- - Q • / \ 7 - _■ 84 ANTI-VORTEX DEVICE __ EXIST.- D I _.. ____..._.__..-___ RIM -521.5 -_,_ ___ \• I --- - — -- 520 /• n _ PROJECTED 2: 1 SLOPE _ - 60 RISER STRUCTURE_- -- - — - -- l 3 -- 515 -f- • EXISTING SLOPE -��\ S z c_:s .4 1 0 w,r 5:�5, 1 ,� tin � r7if.3 . 5-60 ,.,‘. , 0+00 0+ 50 , . 1 +00 1 + 50 • ivcnnc IncineeHnç & Surveyinç , DL C Storm Water Vanacement Facility 1 — Section Detail Scale: - Date: 10.14. 03 ev: 10.17. 03 ' , ` -- --� Mr - 535 - ----- ----� --- ----- --- bJ� co c3i � �� 530 - ���» cc' 53O 525 -- -- .' -- '---' --- --' --+- 525 520 == - "^'" - 520 — T3- - --- ` �� o 515 - 515 Nsoso_2- mF -- ---- -r-----' - 510 -- - �_ --�� -_-- ---- 51O --- -�-�r��~--�-- ----- --------- - 505 505 - ' 500 - 500 -0f50 OfUO 0f50 1f00 1f50 ! �' Engineering �� �� ' �| (` ..|VO�DO °^ �U�V�NDO' PLC Surveying, ' Storm Water Management Facility 1 - Section Detail . 3oo|o: 1^ = JO H0RZ.; 1^ = 10' VER'[ Dohz 1[L14.[3 Rev: 10i17.03 ` SWIM - - - - - - - - - - ----------- �I_/ T V -------------- RETAfb BUILDING 4—STORY 1'8, 000 S. F. KFE = 554.00 Sp?-,nkled, Type - - - - ---- ---- ---- ---- J— — ---- J__J 04 le Win - -- -------- 8WM ffim A am man NNW V EMEN am it low RMW WAIN RUN IN= um own NAWN WM man 11 a I In= Ion ffm ow Ni LANQ ARM-- 11 J rf DA—A\ .1 ---"W le Z — ---- ---- i DA 25.a_c- impernous;, DA -Sac el mom mom /Mm le Front Portion of Regional Service Area C: sm i le Total y --drein-au area for Stormwater Vopugement FCcilit 1 is 28.0 acres. Tort/al impervous---a-rea-i-s-2-3.8 acres (@ 8\5% Impervion - Biofilter #1 has 4,000sf of bott"Qm area and\ treats lac of imperv ious area. 'Biofilter #2 will have 2,200sf of b\Qttom area %ind treat 10c of impervious area. ......... .. el 21.8 acres of impervious area drains\,,to SWM#1 requiring 158,268cu.ft. of wet volume @ 4xWQV. \162,527cu,ft. of wet volume is provi�.6d in SWM#1 per" design. not jam Ilk IRV low/ it 0" j. _ itr-___ I c V MW le -,Exist. MH -mom . .... ........ E" gum 4 ............ :P ........... (1EndCapW/Thrust Blot '(1-12"TSV) (_12 TS&V) ........ . ...... .. ............. — — — — — — — — -- Project -itle: HOLLYMEAD TOWN CENTER REGIONAL SERVICE AREA C Rivanna District, Albemarle County, Virabinia Sheet No: I Drawing Title: RIVANNA ENGINEERING & SURVEYING, PLC. P.O. BOX 7603 CHARLOTTESVILLE VA, 22906 I Revision INO. I DESCRIPTION DATE PHONE: (434) 984-1599 FAX: (434) 984-8863 E—Mail: RESI@CSTONE.NET O� TIMKTI:�� R, ftVLLI CERTIrICAFF—No. C11,06 I&VOCLAND ASir Scale: 1" = 60' Drawn By: JDB Date: 12.11.03 Checked By: TRIVI File Name: 32-41D—UP Project No.: 1132 N ----- . LLJ � 7 � ' -- ------__ �� -- - -- - -- -- -- --- JJ`] _- -------- --- — -- �� cz - r � r- | COL cNA m _^ _ __�� � __ | -r� || uu| _� [J - ---- --- -- c� �r�� | CD _ �� '�[l | �� u� CD u� _-��� --- ---------- -------- --- ' `J`JL/ -- -- ��'-- -��---- �~ - CD � ---- --'-- -- f _ -- ---- - -----' --- =* __ _ � ----- | �� Co C»r), »nu7o� u � � �-------- --- - ~ u _� "������n_o�� J��J 7 � - / ANT -VORTEX D�V1(`� u-r , . .. `~'` '�'` "� ,'~� �\U�T D - . - �,,.� , �� r}[l �|k� - �91 � --�~` ' Jz�\J .` ,. °�..~ =--� ___ __ ` " AP��� �T�U�TUA� -- --- PROJECTED 7: 1 . �U]� _ ___-�� ���-.. " '.`v��"'`�__ - EX-r5rING SLOPE / \ ~� ��1 [� -- -�- - -----^�----' ---- `J | `) ^ --- Q� GK\JU � ` -- __ �1 [l -- -- _- -- - --- --- - JiU . -- - '~ ---- 1R O .`^^' - �/l� ^]U`J - ��l/l ___ __ _-- ----- -----�- - ' ^JUU --- ' | /ll [l/l [ll �[l 1l[l[l 1l5/l L} � \JL/ `� / `/`, . . _ _ ^ ^ -1 � ivannc - �l � | yl �� ���| � � �� Surveyinc ,| | \� | { | \^ �^| | i | \^ ���__ -/ 4 Facility 1 Section Detail � 4 `| C`�O��0 UU���� W �� ������ �� L [ ��(| | iV | - `]�� i|�l� L/PLa|| `� �^^. . . . vv " �". w `^. . `^ ��". ' ' "' ' ^^ "' ' } ~ ~ ' - � � ����| ��^ ' `~~~. ~^ - _ __-�� . _ -- ' - - Fl � 1 [l 1 � /l � �J 1 /l 1 7 /l � L/� LP^ | U. | ^�. UJ \pV' | U. | / . U`J i w - ---- --- _ - - - - - --___ - -La____.___..._.._-_..-----___._-_-- w ..�_____ - 38..._7_-_. .___._ __._ - _ __..._- -- _ ___-__ __._..----_--_-_ ____ ______-- - -- 535 — - n w o a-; C - • ----- Q -- E � tC).pt (NI t _ - --- - �-_ ___ _._..__.___�._..._ z — -- o� � II 1I Ilo cn y CD __-1 I II I I >z _ 1-� IQ-s >.._ -_ -w- __ _ ..__ - I ---_—_ __w...__ — ~ -®- -_- ---- -- _ GT z z _ _ _ _--- -- -�_ — — _ �_ 525 — - - - 77,.. - - -- 1-GH-WATER EL-E-V. 2 2 N / - \---- 1 . 1-- 84" ANTI-VORTEX DEVICE EXIST. DI __ - \ - -� _ - \,....\\ _ 7 -- 520 __ PROJECTED 2: 1 SLOPE --0-I 66_O" RISER STRUCTURE __--- - 3 - 515 EXISTING SLOPE 1 -- - F GROU1 EDP - - _.. E�(iST:2� _'VIr 17 -v _ _ _ _ - _ _ __- 510 2 - _ . .' sty . _ ISO-- ----- _- _ �.--�- — — — ` ,.i1 .�- 15 505 - 500 0+ 00 0+ 50 1 +00 1 + 50 . ivcnna Encineerinc 8c Surveyinç , DLC Storm Water Vanacement Facility 1 - Section Detail Scale: . ,4) - _, Date: 10.14. 03 ev: 10. 17. 03 LLJ __ _____� _ � � � -- `�`�J ---- -------- ____ ---'------- -'-- uJ c� .' r` 00 ' n~ =��--' ------ -- -------------- --------'---------- -- m _ - - — - Cm o- '�c----'--ou "' -- LLJCD -_ __-' - ---- m � ' ' --� ' ' /-- || -----� ------- ------ -- '~� --- _ -- - . __ �� '�/� - | u ' m - o� J _ _ _-_ _�u- -- ---- — ----- ---- �U ---- ' - -/ oc un~ cz�� +- U �� U U CJ ' == ' (-D -�^ ~^E -- � 'l � ^J��`] -� 2 / `\ _ ��" bN7l-Nl�T�V ��\8(�� � °\ ____ _ _ u-r .. ,".` .�'` "� ,.~� -- / ' �� � � '}/l A|� - ��1 � - J^�U . .,. 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