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HomeMy WebLinkAboutSDP200800148 Plan - Approved Minor Amendment 2008-11-06STORMSEWERDESIGN WINA PROJECT NUMBER 205143.04 ice- - , -\ -\ COMPUTATIONS COUNTY ALBEMARLE DISTRICTRIVANNA ,� i� ) --JUNCTION $0#-(aO=F) DESCRIPTION PAVILLIONS AT NORTH PANTOPS - PHASE II STORM DRAIN COMPUTATIONS 1 y >! V �'� SEE SHEET 9 \- \ F I/ -_ c, \ FOR,DDETAIL \ ) AREA RUIJ INLET RAIN RUNOFF INVERT SHEET CAPA- 1 DFLOW "o w _ NO WORK DL TED li )li�G`TK)N OX SHALL \ \ FROM TO DRAM OFF CA TIME FALL O ELEVATIONS LENGTH SLOPE Dw MANN] G-1 CITY VEL TIME TOP INLET INLET DEPTH INLET No , :I` __ - - - \ TAKE PLACE OFF-S , CONTRA�OR'S MEANS AND POINT POINT "A" COEF TO (ItD n (FULL) (FULL) REMARKS ELEVATIONS (!i) N _ _ - ♦, MEI HODS SHALL COM WITH TNIS� IREMENT. INCRE- ACCUM- MIN INIHR CFS UPPER LOWER FT FT/FT IN CFS FPS SEC FT FT ()Id -" >> �' \\ `� 1 1 ACRES C MEM ULATED END END ♦ �/ / rrr���"` j, WESTSITE - - � - -- .. - - _" \�M�F 'G�AI' '�' •. � �,5,7, `\\ 32 17 10.76 0.70 7.53 7.53 10 5.62 42.4 551.92 521.25 202.1 0.152 36 0.013 260.6 36.9 5.5 556.00 4.08 32 - - - / ,I 3rmwater Inlet Computations 18 17 0.38 0.44 0.17 0.17 5.00 6,81 1.1 533.00 525.77 104.8 0.069 15 0.013 17.0 13.9 7.6 536.76 3.78 18 - Y1 n01 �Tl �Q�'U,Y�' �V _ I _ E s- 17 16 0.54 0.44 0.24 7.94 10.09 5.61 44.5 521.00 513.59 60.9 0.122 36 0.013 233.3 33.0 1.8 528,30 7.30 17 Project: P.vilions at Pantops Ph III / � � J� L v ANNc f� WA Project Number: 205143l.� SSOCIATE 16 15 0.90 0.54 0.49 8.42 10.12 5.60 47.2 513.34 506.80 63.2 0.103 36 0.013 215.1 30.4 2.1 520.41 7.07 16 04 (q U'D 24 15 0.48 0.56 0.27 0.27 5.00 6,81 1.8 513.00 511.33 72.0 0.023 15 0.013 9.9 8.0 9.0 522.19 9.19 24 INLET S ON GRADE CURB SAG INLETS ONLY 23 22 0.35 0.55 0.19 0.19 5.00 6.81 1.3 507.77 507.63 18.5 0.008 15 0.013 5.6 4.6 4.0 513.75 5.98 23 _ C o a $ -e 22 21 0.08 0.86 0.05 0.24 5.07 8.79 1.7 507.48 507.35 2Fi.0 0.005 15 0.013 4.6 3.7 7.0 514.66 7.18 22 K C Q N _� x' w 8 Fi 0 y nomtp J a 21 15 0.03 0,90 0.03 0.27 5.18 8,76 1.8 507.20 506.80 7'1.8 0.005 15 0.013 4,6 3.8 20.6 514.49 7.29 21 m LU $ A _ 3 0 N c 'D a` y p 1q 'o F- S i ) 0 R Q y E c r m S REMARKS 5 14 8.96 10.18 5.59 50.1 506.35 494..65 242.0 0.048 36 0.013 147.1 20.8 11.6 519.27 12.92 15 2 LU tW- 27 14 0.33 0.8 0.26 0.26 5.00 8.81 1.8 495.86 495,65 36.6 0.006 15 0.013 4.9 4.0 9.2 504.61 8.75 27 Z $ O C7 C9 a r 3 (7 W v y rn $ 9 W J] rn J Q N fq N N N F O 14 13 9.23 10.35 5.56 51.3 494.40 493.40 34.5 0.029 36 0.013 113.9 16.1 2.1 504.95 10.55 14 13 13A 0.42 0.75 0.32 9.54 10.39 5.55 53.0 493.15 492,51 Srb 0.012 36 0.013 74.5 10.5 4.9 505.65 12.50 13 27 DI36 12.0 0.33 0.80 0.26 4.00 1.06 1.06 0.001 0,020 5,44 2.00 0.18 0.46 0.35 8.00 3,57 Sag Inlet 13A 25 9.54 10.47 5.53 52.8 491.98 491,69 3" 0.008 36 0.013 59.8 8.5 4.3 501.89 9.91 13A 25 30 0.13 0.65 008 9.63 10.54 5.52 53.1 491.66 488.92 223.7 0.012 36 0.013 74.0 10.5 21.4 500,12 8.46 25 --- EX3A EX 2A 0.07 0.90 0.06 0.08 5.00 6.81 0.4 491.50 491,10 31.0 0.012 15 0.013 7.0 5.7 5.9 495.74 4.24 EX 3A = � Ems` PARKING�TAI)TATI�._- _ EX 2A EX fA 0.07 0.90 0.06 0.13 5.10 6.78 0.9 490.95 490.50 87:.1 0.005 15 0.013 4.7 3.8 23.0 495.74 4.79 EX 2A "" -- -------- ------ - 2P _ ` PARKING REQUIREZD PHASE II NORTH): ESID NT PARKING ® ''' i 2.11 SPACE NIT (24x2.11) 51 EX 4A EX to 0.10 0.90 0.09 0.09 5.00 6,81 0.6 490.25 489.90 3d..0 0.010 15 0.013 6.8 5.4 8.3 494.88 4.43 EX 4A _ - T PARKING. - - - g' p _ 1 SPACE /4 UNITS (24 4 =_- EX fA 30 0.11 0.90 0.10 0.32 5.48 6.67 2.1 489.20 489.00 2C.3 0.010 15 0.013 6.4 5.2 3.9 494.75 5.55 EX 1A _ x - ..: 1 p V __ SAL 51 +6 57 r_ ` AI AGE/ 6 PARKING PROVIDED (PHASE II NORTH): GUEST PARKING 16 30 31 - - - 9.94 10.90 520 51.7 488.82 487.63 38.6 0.033 38 0.073 120.6 17.1 2.1 OUTFALL 495.47 6.65 3D �- - - � _ __ I 1 1 PARKING PROVIDED ON LOTS 48 t = _ - - 1 / ' - - - _ _-__ PARKING REQUIRED (PHa¢E II wEST1'�'- 1 Iti \ \ \ _ - - i - / / / / / - _ _ 7 UNITS WITH SURFACE PARKING 2.09 -SPACES/UNIT (32x2.11) 68 25 UNITS WITH ON-LOT PARKING T PARKING: \ \ '123° \ \ �%�j 1 i I / / / / I c'1 ,1 Z�ILI 1 SPACE14 UNITS (25 4) 7 \ - � I / / / / / / / I y'1•h o(" yv Vi�6, N'Y104{ '-TGTRC-SPHL-E,�D�(E8+✓� 5` 5 1 LOT /21 / I l KEEP DEC PARKING PROVIDED PHASE II WEST): SURFACE GUEST PARKING 29 L /Lk�T PARKING PROVIDED ON LOTS 50 \�♦, \ \ \ I Y'� - ( \ \ \ 26 Q T q" t)U 1-20 / ( OTAL P OVIDE _ SPACE \��,-O "TYPE A FF=>5 1 95 I DU 7XPE 2� J l / l °E too• s� _�-.'�!a„ pU 15 520 I �\ ° TYPE FF=531 F', 534. TYPE LOT lcil�j1.1 `s �=520.9» _520.kJ1 I = 8 \♦-� \ I I A \ \ II Spb I pT 27 SOT "A nu 9 15- 52099 F'b20'F�5/ GF /-� J / I 524.6 BF 35.89 FF PE`s q DU i LU, 1 PARKING REQUIRED (PHASE IQ: GUEST PARKING 6+7 13 OU �P g� F-51899 6F`q$0.65 `\�> ° _ �1 i�� .:/I r 24.0 _525.73 �g� 526.8 -FF=537 jy \A LOT jg g 51865 GF= _ 1% - j 24� -525.40 GF_52 �p BFS3S 3 DUB gg" DU E16 LO PARKING PROVIDED ON OTS (48+50) II 539, 7YE \ TO AL PROVIDE 111 -tom'T'Ty _ ��`.>� 8F- s 1 ' T - GF_527 BF_529. FF_541 "A,.;' DU NPE. \. \� \,,\ \ \ \✓/ \ 1\\\ \\ �_ UP2 1 G16 F=� }64 = \� M s� / a� �4& /� .40 GF_529.401 GF_531 $3 BF_542, �3 � FF- a � _ / ' -531.40 32.' PARKING PROVIDED (PHASE IQ: GUEST PARKING 45 ^ x LQT "p" o� _52g,15�-2 GF_532 4 PARKING PROVIDED ON LOTS 98 \a \y\ [OTS A' pu T5�15 FF 2�9 eF_5ye5 / _ I - + / y a 4 I -\ 3 • � / „A, pU T'i�,� FF L511 g9 g�g12.65 / J S >� - l +g 4.199. 2 -L- TOTAL PROVIDE 143 �` \,\ \,, \\o I 1 EYP � f.F=s2 99 x'51 .65 � g _ � - _ � + g _`;. 16 ... .. _ "/ / + 24a - •✓ = -- ,-.. _...._-.----""'-- _...�_ *PARKING MODIFICATIONS OF SECTION 4.12.2 (C) TO 2.11 PARKING RATIO APPROVED BY WILLIAM FRITZ, DEPUTY ZO G ,' \♦ \\`I / I GF 1 /y' 15- / - J / �/� / - ,r 9 +0_• ADMINISTRATOR PER ELECTRONIC COMMUNICATION WITH KEITH LANCASTER SOUTHERN DEVELOPMENT D TED 02/27/07.: FH _ 1 Fes- / ,\\l�♦\��. 1.= " 1 1 ` Tog I //sTOP .� o /- / --�� -� =P -, �� / J � \ \`/ \-\\ z \ \ -\ 1 I+ t ,: 093 ., - _ - � CT LANCE ES p IG7FD � f `/ % CG'\'l i \_O / J /,• / / ` � \5 I I I , - A QIl 1 1 \\, \\♦ � \ WAT R I I ,_.- S_ , I ..)__ 1R 197 o' \ � - 34� I ^." � _ -+_ - '- -- _ �-- / 7 � l � b, �� LIR L TYPE „p I Q LOT g ✓ _ / 6 _ i 2 LOT to w ` e 1­527P5 T5P 9„ O� i��C --- - 35� _ �-3- -\\ ♦: - 27.05 BF_5�39, F_ 3g_5 c 1 \TYPE " gFT 516 - �� _ - \- o, � RESTR 06.16 $ 527 0�� Y � � ♦ 3 FHW/H PILE \ \ \\WO ° r 11ROP N 2 FEET\INTOFF=513�� 1 l � ,. � 2S BF��S 7.23 DRIVE ------ b '•,I URGED E{\RTH tF, \ \. \ W t\YRE 32 5D3 IC v� 1n ♦ F F_ 16 \ --- WL �- - -I- ID -Z _�� ,3� J--- \.,\BF-5 263. 532 \ �- �`. \vIV E A L\ A 1 W 0 V 4 _-- _ _ -_ T ''- - E-��i E MST - __ - 25.G E ` i1D- �,V`111�i1�-'"".��L�j 1 � �. - 10'P SMT _ � � _ ya 3i� \/ d � ►�_ � ___ 1- ; \`-._ a Tv✓ -� ,1'flIK 'Iry CRA& L ' D u f \IYYT U".' \ \ _ ►- _ - _per_ I x- Gam- - �- 6� - i �� D Gg01NG CONNECT TO EXISTING 8' WV.» C 9�=_ --- -- - _ s „ 7} - �'"' • ` ` l� EINiff_5 X11. 1 �-- . q���d,,,, o CONTTRACTOR REQUIRED TO NOTIFY RWSA VEVLAV'H�SIGFft D1STN'�'o - 72 HOURS PRIOR TO CONNECTING i0 -0 ENT WATER MAIN. PERMANENT CONNECTIONS 70 FOR E IN I SHEET I THE POTABLE WATER SYSTEM ARE NOi I v Imo; �-- - -I �� / ,THERE IS NO REDUCTION IN THE AMOUNT OF PLANTINGS PERMITTED UNTIL ALL NEW WATER MAINS �Ix \a. ._/ EST SITE AREA = 5.71 (GREs n1n p,_/`�\t C„__ARE DISINFECTED AND READY FOR SER4ICE Z00' 1 �\ - '-'Q1� �` J ..i` a I i 1°bb`L 1 --1- -SEE RWSA GENERAL N07ES -SHEET 12. OgjZ�- �- WEST UNIT COUNT = 32 TOWNHOMES _-- _ // ; \d^\yfT WEST DENSITY = 6 UNITS/ACRE) _ --/ \ Tq< SIGMT l \� " WEST AREA OF LOTS = 1.93 ACRES (33180%) {'t Oa�l 11 _ _ \, - = fF --�_30' .,RCPE _ / DISTgN�F WEST AREA OF ROADS (PRIVATE) 0.47 AC ES _ \ S\G - ��° n _� �_ �_,, \�.� \ f \ \, *WEST IMPERVIOUS AREA = 1.60 ACRES 28.02%) 9$T ",.\,� \�\�_�-^ WEST AREA OF OPEN SPACE = 3.78 ACRES (66.209,) t R *INCREASED BY 400 SF 0 003 AC C Z ISIS, DESIGNED BY. PROJECT: REVISION NUMBER: 'PLTH OF - CR PAVILIONS AT PANTOPSPHASE II �i � IF THIS DRAWING IS A REDUCTION GRAPHIC � ��GT SCALE: 1" 20' SCALE MUST BE USED �'NGINEERDRAWN BY: S FINAL SITE PLA � To SL1R'VL'YORS DRAWING NUMBER ID M. JENSEN PLANNERS TITLE:: 'a = , _ SITE PLA WEST MENDM T `N1i Q t✓1'�' ;, "1 ` Ut'I sli-t'- Plll:Y) No. 11484 REVIEWED BY: ;pha. l/S�CS ASSOCIATES o,M ,a �5VV1R�, (I2�1 �a�w 20' 0 20' plr a®Meel.� SHEET NUMBER: . wol. '&>po� WWA NUMBER: FILE NAME: GALE: ATE: ss'OryA� �yG N 205143.04 Amendment_9-08.dw " 1"=20 4/08 1 of 1 N0. 1. BY DATE N0. BY DATE g V. N/A