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OWNERS,
061AO-00-00-00300 061AAO-00-00-003AO & 061AO-00-00-0 3H0
300 SECOND STREET NE PO BOX 14496
CHARLOTTES SILL&, VA 22902 C HARL OTTESWLLF, VA 22902
061A O O000-00600, 061AO-00-00— 0,700, 061AO-00-00-00800, 61AO--00-07-00900,
061A0 00 00-01 00, 0 1AO-00-00-01100, 061AO-00-00-01200, & 061AO- 00-00-001300
1WIEADOWICREEK TOO LLC
230 CHESTNUT OAK LATHE
Ch1ARtOTT_ESWLLE, VA 22903
DEVELOPER.
MILESTONE PARTNERS,
300 2NO STREET, IVE
CHARLOTTESWILL E, VA 22902
ENGINEER
COLLINS ENGINEERING
200 GARR'ETT ST SOITF K
a'HARLOTTESWL=LE, IAA 22902
,(434-)293-3.71
TAX MAP NO. & AREAS:
TTIVIP &A----6' 0.2009 ACRES TRIP 61A-10° 0.2505 ACRES IMP 61A-38o 0.8590 ACRES
T P 61A-7.° 0.2009 ACRES TIlWP VA-11: 0o2695 ACRES TJWP 61A-3Ao 1.1500 ACRES
TUP 6 1 A — & 0,2009 ACRES TRIP 61A-12o 0o2009 ACRES TMP 61A-3o 0. 7800 ACRES
IMP 6 1 A — . 0.2009 ACRES IMP 61A-13.° 0n2 O5 ACRES
TOTAL ACREAGE- 4.554 ACRE
ZONING'S
R-4 RESIDENTIAL, BONUS LEVEL — CLUSTER DEWELOP ENT
(STEEP SLOPE OVERLAY)
PROPOSED USE.
RESIDENTIAL DEVELOPMENT — TOTAL 22 RESIDENTIAL UNITS INCLUDING (�) AFFORDABLE UNITS
(14) SINGLE FAMIL Y DETACHED UNI TS, (P,) SINGLE F-IIA41L Y A TTACHED TH UNI IS, AND (1) DUPLEX(2 UNI TS)o
RIOTED TIME EXISTING USE IS (11) R-4 SIN43LE FAMILY DETACHED LOTS EACH OF THE (11) LOTS CONTAINED
AN EXISTING SINGLE FAMILY HOUSE
DENSITY'
ALLOWABLE BY —RIGHT DENSITY- 4 DOI'AC
PROPOSED DENSITY- 4,554 ACRES x 4 UNITS / ACRE � 18 UNITS ALLOWED
BONUS DENSITY- AFFORDABLE HOUSING (UP TO 30 ' INCREASE)
(2) AFFORDABLE TOYIINHOUS'E UNITS ARE PROPOSED MTH THE PROJECT
18 UNITS BY —RIGHT + (2) AFFORDABLE UNITS + (2) AD0177ONAL MARKET RATE UNITS = 22 TOTAL UNITS
TOTAL PROPOSED DENSITY = 22 DWELLING UNITS / 4.554 ACRES = 4.83 DUA
NOTE. TOTAL AFFORDABLE HOUSING BONUS DENSITY IS A TOTAL 21% DENSITY INCREASE
OPEN SPACE.
TOTAL OPEN SPACE REQUIRED (CLUSTER DEVELOPMENT 25) = 1.138 AC
TOTAL OPEN SPACE PROPOSED.- = 1.144 ACRES (25a 1. )
OPEN SPACE TO BE OWNED AND MAINTAINED BY THE HOMEOWNERS ASSOCIA770N. ALL OPEN SPACE SHALL
BE RESERVED IN A DEED FOR THE COMMON USE OF LOT OWNERS IN THE SUBDIVISION, AND HEREBY
DEOIG'ATE'D TO ME HOA VWTH THE RECORD+A77ON OF TIDE SUBDIVISION PLAT
OPEN SPACE A � 0.929 AC
OPEN .SPACE H v 0.089 AC
OPEN SPACE C = 0.063 AC
OPEN SPA E D m O 3 A C
TOTAL OPEN SPACE o 1.144 AC
PRE'SERVEDIMANAfiED SLOPES. NO PRE'SER'VEO SLOPES ARE SHOWN WITHIN T17E LIMITS OF THEPROPERTY4 SMALL AREAS OF
M,4NAGED SLOPES ARE LOCATFE-D ON THE PROPERTY AND SHORN ON THE EXISTING COND17IONS PLAN SHEET
DEVELOPMENT OF THESE MANAGED SLOPES SHALL HE IN ACCORDANCE W7r7Y 7HE" ZONING ORDINANCE FOR
MANAGED AND PRESERVED SLOPES
BUILDING HEIGHTS
MAXIMUM ALLOWABLE BUILDING HEIGHT IS 35' FOR R-4 ZONING, BUILDII' OS WILL NOT EXCEED 30 FEE
SEE TBACKS'°
FRONT S' MINIMUM (18' MINIMUM FROM P/W OR EDGE OF SIDEWALK TO GARAGE) AND 25' MAXIMUM
SIDE. ° INTONE e MIN. 10' BUILDING SEPARATION
REAR. 20' MINIMUM
COVERED PORCHES, BALCONIES, CHIMNEY'S, EAVES AND DECKS MAY PROJECT NOT MORE 7HAN FOUR (4)
rEET INTO ANY REQUIRED YARD S°ETHACK, PROVIDED THAT THE NO SUCH FE'AR)RAE IS LOCATED CLOSER
THAN SIX FEET TO AlaiY LOT LINE
SUBDIVISION STREETS:
CURB & GUTTER
WA TIERS ED.
MEA O W CREEK WIA TERS'HED. THIS PROPER TY° DOES BLOT LIE THIN A IAA TER SUPPL, Y WA TEPSHED,
ACRICULT7JRAAL/ FORESTAL DISTRICT NONE
TOPO & SURVEY,
TOPOGRAPHY PROVIDED BY KIRK HUGHES & ASSOCIATES, NOVEMBER 2018. THE BOUNDARY LINE
INFOR AT70N IS PROVIDED BY DIRK HUGHES & ASSOCIATE'S, INFORMATION' FIELD VERIFIED BY COLLINS
ENGINEERING JANUARY 2019°
DA TLik
NAD 83
EXISTING VE'GETA770No
THE PROPERTIES CURRENTLY HAVE SINGLE FAMILY DETACHED HOUSES ON MOST Or THE EXISTING LOTS°
THERE ARE SOME MARJRE HARDWOOD TREES ON THE LOTS AND ALONG THE EXISTING PEN PARK LANE
LIGHTING-
NO LIGH77NG IS PROPOSED
PARKING.°
(14) SFD & (S) SFA ATTACHED UNITS � 44 OFF—STREET PARING SPACES, REQUIRED
MINIMUM (Z) OFF—STREET SPACES REQUIRED ° DRIVEWAY SPACES ANDIOR t ARAG'E SPACES
TOTAL PAAR,K'INC PROVIDED: 44 OFF—STREET PARKING SPACES
GUEST SPACES. ° 1 SPACE PER 4 UNITS FOR THE (8) SFA UNITS o 2 SPAA CIES REQUIRED
PROVIDED GUEST PARKING SPACES (ON —STREET PARKING) � 41 SPACES
PHASING:
THIS PROPERTY SMALL, HE DEVELOPED YWTTHIN I PRASE
BUILDING SITES:
PARCELS 1-22 EACH CONTAIN A BUILDING SITE THAT COMPLIES WITH THE IRE"QUIREMENTS OF SECROR`V 4.2.1
OF THE AAL E► ARLE COUNTY ZONING ORDINANCE.
BURIAL SITE'S:
NO KNOWIV BURIAL SITE`S OR CEMETERIES ARE LOCATED ON THESE PROPERTIES OR W7HIN 7HE LIMITS OF
OF THE PROJECT
STREAM BUFFERS.
NO STREAK BUFFERS ARE LOCATED ON THESE PROPERTIES OR WITHIN THE LIMITS OF THIS PROJECT AREA.
FLOODPLAIN:
THIS PROPERAT Y IS NOT IN A FLOODPLAIN ZONE AS SHOWN ON FEMA MAP#5 I00J'CO229D, DATED FEHRUARY
4, 200,5.
RETAININO WALL53-
NO RAET411NING WALLS ARE PROPOSED W7TH THE DEVELOPMENT
LANDSCAPING.
STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS' IN ACCORDANCE YCNTH ALBEMARLE
i d
COUNTY LANDSCAPING REQUIREMENTS WITHIN SEGTON 32.Z9 OF THE COUNTY CODS A LANDSCAPING PLAN
WILL HE PROWDED WITH 71HE° FINAL SI7E PLAN FOR COUNTY REWEW AND APIR-ROVVAL. ALL LANDSCAPING
REQUIREMENTS SHALL HE SHOWY ON THIS FINAL LANDSCAPING PLAN,
TRASH. °
EACH LOT SHALL HA' ' AN INVIWDUAL TRASH CONTAINER
RECRE"A77ON AREAa
BECAUSE TREE PROS .ACT IS OVER' 4 DUA IN DENSITY AND ITS A CLUSTER DEVELOPMENT IT MEET'S' HIE
ALREMARLE COUNTY ZONING ORDINANCE REQUIREMENTS FOR PR'O4+rlLiING A RECREATIONAL FACILITY A
PARK IS BEING CONSTRUCTED W THIN THE 0.929 ACRES OF OPEN SPACE (A) AND TIME ADJACENT OPEN
SPACE FROM THE PHASE I DEVELOPMENT THE PARK AREA MEETS-' THE RECREATIONAL REQUIREMENTS AND
A TOT LOT AND OPEN SPACF RECRE4 TIONAL FIELD 1S BEING PROVIDED:
TOTAL AMOUNT OF RECREATIONAL AREA REQUIRED. 22 UNITS x ZOO S'FIUNIT � 4g400 SF
TOTAL AMOUNT OF RECREATIONAL AREA PROWDEDo 40,510 S'F
OPEN SPAGE:
OPEN SPACE AREA (AREAS B, C & D)a 9,365 (0215 AC) - 18o8%.
RECREATION AREA OPEN SPACED 40,467 SF (O° 9Z AC) - B t 2%
TOTAL OPEN SPACE. ° 49,832 SF (1.144 ACC
ALL OAKEN SPACE SHALL RE HFREPYA' DEDICATED TO THE HOA WTH THE RECORDATION OF THE FINAL
SUBDIVISION PLAT AND SHALL BE MAINTAINED BY TR--E HOA.
NOTE° 0% fir- THE OPEN SPACE IS L0CATED WY7THIN 7`HE LIMITS OF ,A FL0ODPLAA_IN, WPO BUFFER, CRITICAL
OR PRESERVED SLOPES, OR STOR UVATER MANAGEMENT AREA. 285 SF OF THE TOTAL 49,832 SF OF OPEN
SPACE IS LOCH,TFD WITH MANAGED SLOPES
OFFS'ITE EASEMEN T°
ALL PROPOSED GRADING SHALL HE CONSTRUCTED ON SITE OR W7HIN EXISTING RIGHT -OF W.AYo NO OFFSITE
EASEMENTS ARE PROPOSED NTH TH/5 DEVELOPMENT
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1) THIS PROPERTY DOES NOT LIE WJTHIN AN AGRICULTURAL AND/OR FORESTAL DISTRICT.
2) ONLY (1) DWELLING PER LOT SHALL BE PERMITTED.
3) ALL PROPOSED EASEMENTS SHALL BE DEDICATED TO PUBLIC USE.
4) STREET TREES SHALL BE PROVIDED ALONG AL THE PUBLIC STREETS 40' O.0 IN ACCORDANCE WITH VOOT AND ALBEMARLE COUNTY
STANDARDS.
5) THIS PROPERTY IS LOCATED WITHIN A FEDERAL DAM INUNDATION ZONE, AS SHOWN ON SHEET 30
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60 9 30 60 120
( IN FEET )
i inch = 60 it..
DEVELOPMENT AREAS,
LOT AREA, v 2.580 AC (56.7
OPEN SPACE .= 1.144 AC (28,1%)
RIGHT—OF—WAY = 0°8.3 AC (18°27c)
IMPERAOUS AREAS -
BUILDINGS o 40,800 SF (0.94 AC)
DRIVEWAYS�11,000 . SF �O.�S RAC)
SIDEWALKS 7,250 5E (0a17 AC)
ROADS m 44,300 SF (1°02 AC)
PAVED PARKING AND CIRCULATION AREA o N/A
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NICHOLSON ST. SITE
VICINITY MAP
SCALE I " - 2000'
Submittal TyPe RI.jf31
Reviewed and Approved by the
Community evelop ent Department
Date �� � �
File -
Signature
Sheet Lost Table
Sheet Number
Sheet Title
-
1-
OVERALL, LAYOUT PLAN —
2
EXISTING PRAT
3
EXISTING CONDITIONS
4
SITE PLAN
GRADING, DRAINAGE, & UTILITY PLAN
TYPICAL SECTIONS, NOTES, & DETAILS
i
STORMWATER MANAGEMENT PLAN
7 TOTAL NUMBER OF SHEETS
RE' ND
—r'-XlSnNG CULVERT
-
CUL VERT
DROP INLET R I T �E NO.
CURB
CURB & GUTTER
PROPOSED PA 4+E7IA. ENT
- - - -
EC —,AAA DITCH
DEPTH OF EC - A DITCH
—
EC-2 DITCH
6"
DEPTH OF EC-2 DITCH
o®n-
EAR774 DITCH
DRIVEWAY CULVERT
RENCH MARK
® — — —
CLEARING LIA41TS
W)OT STANDARD STOP SIGN
EXISTINGEXIS77NG CONTOUR
PROPOSED CONTOUR
240.55
PROPOSED SPOT ELEVA77ON
TBC DEN07Ea TOPIOACK OF CURR
T/48 DENOTES TOP OF BOX
APPROVAL,
kGENT FOR THE BOARD OF SUPERVISORS DATE:
Tu�
SCOTT R, COLLINS
?C) No35791
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LOCHLYN HILL DEVELOPMENT GROUP, l-LC
CID LOT I RESIDUE
D.B� 4839, PC. 390
DB. 4839, PG. 396 (PlAl)
TMP OfilAO-00-00-00,3AO
DAMES A. & BARBARA 8, NUNNALLY
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LOT 2 REVISED
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DAMES A. & BAR. W H, NUNNALLY
CC ) 9.8k 659, PG, .390
LOT 3 REVISED
D,B: 4839, PG. 390, 396 (PLAT)
TMP 061AO-00-00-00400
JAMES k & BARBARA E. NUNNALLY
D.B. 440, PG. 532
LOT 1 REVISED
D,8. 4839, PG. 390, 39,6 (PLAT)
LOT IDENTIFIER & WE SOURCE:
TMP 061AO-00-100-00500
NAMES A. & PARMA E. NUNNALLY
D- U,8. 440, PGa 532
LOT 2
D.B. 439, PG, 0, 49 (PLAT)
IM
P 061AU-00-00-00600
MEADOWGREEK TOO, LLC
(D DB. 3487, PG, 145
LOT 3
D3. 439, PG. 48, 49 (PLAT)
TMP 061AO-00-00-00700
MEADOWCREEK TOO, LLC
G3 3487, PC. 145
LOT 4
D.B� 4.39, PG. 48, 4.9 (j)LAT)
TMp 061fito-00-00-00800
MEADOWCREEK TOO, LtP,
(7w-) DaB< 34,87, PC, 145
LOT 5
D.B. 439, PG. 48, 49 (PLAT`
NOTES:
1.) PREPARED FOR, LOCHLYN HILL DEVELOPMENT GROUP, LLC
2) THIS PLAT AND THE SURVEY ON WHICH IT IS BASED WERE MADE IN ACCORDANCE WITH THE
"MINIMUM STANDARDS AND PROCEDURES FOR LAND BOUNDARY SDI' PING PRACTIW ADOPTED
BY THE STATE OF VIRGINlk
3) THIS SURVEY WAS DONE WITHOUT THE BENEFIT OF A CURRENT TITLE REPORT AND MAY NOT
INDICATE ALL ENCUMBRANCES ON THE PROPERTY SHOWN HEREON.
4.) THIS SURVEY IS BASED ON A CURRENT FIELD BOUNDARY SURVEY PREPARED BY THIS FIRM
AND NO BURIAL GROUNDS WERE FOUND,
El) THE PROPERTY SHOWN HEREON LIES WITHIN rLOOD ZONEL `X", NOT A FEMA DEmIED. 100
YEAR FLOOD PfAlk
6) THE PROPERTY SHOWN HEREON LIES WITHIN THE MEADOW CREEK WATERSHED AND DOES NOT
LIE WITHIN A WATER SUPPLY WATERSHED,
7) THE PROPERTY` SHOWN HEREON DOES NOT LIE WITHIN AN AGRiCULTURAI. AND FORESTAL
DISTRICT,
8) PROPERTY MAY BE SUBJECT TO ADDITIONAL RESTRICTIONS, AND/OR EASEMENTS OF RECORD,
9.) LOT I RESIDUE, LOT 2 REVISED, AND LOT .3 REVISED, AccurS PEN PARK LANE THROUGH
ACCESS EASEMENTS RECORDED IN DEED BOOK 659, PAGE 387, 390 (PLAT) AND DEED BOOK
4839, PACE 390, 396 (?[AT) ffi SHOWN HEREON.
10) ADDITIONAL IMPROVEMENTS EXISTS OTHER THAN AS SHOWN HEREON,
NORTH
VIRGINIA GRID NORTH
SOUTH ZONE (NAD 83) 3
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LOCI-KYN HILL PHArSr 19
D44704 PG. '197, 243 (?fAT)
COMMON AREA
OPEN SPACE 1
OPEN
TMP 061AO-00-00-00900
MEADOWCREEK TOO, LLC
D1 D.P. 3487, m 145
LOT 6
D.B. 439, PC, 48, 49 (PLAT)
TMP 061AO-00-00-01000
MEADOWCREEK TOO, LLC
ci ) D.B. 3487, PG. 145
LOT 7
D.B. 09, PG, 48, 49 (PLAT)
TMP 061AO-00-00-01100
MEADOWCREEK TOO, LLC
CD D.B. 3487, PGC 145
LOT 8
D.8, 439, PG, 48, 49 (PLAN'
TMP 061AG-00-00-01200
GLENDA WINGFIELD
CL ) D.B. 915, PG. 641
LOT 9
D.B. 439, PG. 48, 49 (PLAT)
TMP 061AO-00-00-01300
MEWWCREEK TOO, LLC
(:DM D.S. 3487, PG. 145
LOT 10
D.S. 439, PG. 48, 49 (PLAT)
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X HUGHE S;
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BOUNDARY SUjjW
5.067 ACRES
BEING THE LANDS OF
GLEN DA WINGFIELD
AND
DAMES A., AND BARBRA B, NUNNALLY
AND
LOCHLYN HILL DEVELOPMENT GROUP, LLC
AND
MEADOWCREEK TOO, LLC,
AS SHOWN HEREON
RIO MAGISTERIAL DISTRICT
ALBEMARLE COUNTY, )ARGINIA
MAY 31, 2016
60' 0 60' 1201 160 FEET
I r I
SME., 1 P = 60 1
KIRK HUGHES & ASSOCIATES
LAND SURVEYORS AID PLANNERS
220 EAST HIGH STREET
CHARLOTTESMLLE, VA. 22902
(434) 996-6942
FILL: 2013-138, WQ 2018-1,13
C.\UDD\SURVE.YSN�2018\2018-,113\2.018113-01 .DWG
SHEET 'I OF 2
LEGEND:
TMP = TAX MAP AND PARCEL
R/W = RIGHT OF WAY
0.13. = DEED BOOK
PG- PAGE
PES RESIDENCE
LOT IDENTIFIER
A/E INGIRM AND EGRESS EASEMENT
L.B. 659, PG� 387, 390 (hfi)
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I THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS, BASED
41
ON FEMA MAP NUMBER 51003CO229D ADOPTED FEBRUARY 4,2005,
4"h6'2
-4 4VII);R1,
TOPOGRAPHY PROVIDED BY KIRK HUGHES & ASSOCIATES, FIELD
COLLECTED IN NOVEMBER, 2,018, THE BOUNDARY LINE INFORMATION
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41 3. NO PRESERVED STEEP SLOPES ARE LOCATED ON THE PROPERTY.
THE MANAGED STEEP SLOPES ARE LABELED.
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IV "i 4� NO 100'WPO STREAM BUFFERS ARE LOCATED ON THIS PROPERTY,
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LOT
AREA (sr)
BUILDABLE
AREA (s )
1
8,071
5,183
2
6,685
4,307
3
6,865
4198
4
6,375
3893
5
7,418
4740
6
7,158
4,336
7
7,416
4,661
8
6,537
4,080
9
6,014
3,82
10
6,805
41,462
11
6,695
4270
12
4,910
3,198
13
2,382
1,500
14
1,939
1,364
15
1,97
1,360
16
1,376
1,320
17
1,873
1,320
10
2,385
1,383
19
2,513
1,452
20
2,473
1,452
21
6,757
4,383
22
7,343
4,725
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STANDARDS OF 7HE WRGINIA DEPARTMENT OF TRANSPORTATION 55PECIFICARONS SHALL NO SCALE
GOVERN THE WA7ER1AL AND CONS7RUCTION METHODS OF THIS PROJECT
2. WHERE UNSUITABLE MATERIAL IS ENCOUNTERED IN THE ROADWAY, IT SHALL BE REMOVED PA VEMEN T
FROM THE ENTIRE ROAD RIGHT OF WAY KID774 AND REPLACED WHERE NECESSARY YVITH 1, AN AC-RJAL COPY OF 774E CBR REPORT IS TO BE SUBMIT7ED PRIOR TO THE PLACEMENT
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SUITABLE MATERIAL TO THE SA7753FAC770N OF THE ENGINEER. OF 7HE AGGREGA7E BASE MATERIAL. IF 77-IE 5-5V VALUES ARE L05S THAN 10, THE La 0
J� ALL GROWTH OF TREES' AND VEGETARON SHALL BE CLEARED AND GRUBBED FOR 7HE DEVELOPER WILL BE REQUIRED TO SUBMIT FOR ENGINEERS APPROVAL THE PROPOSED
EASEMENT OT14ER TREES AND VEGETA770N WHICH OBSTRUCT SIGHT DISTANCES GENERAL CONSTRUCTION NOTES FOR STREETS z 0
AT ROAD INTERSECTIONS -SHALL BE REMOVED, METHOD OF CORRECTION. TRIP GENERATION BASED Ohl ITE TRIP GENERATION MANUAL (6TH EDITION) 0
4� ALL VEGETA 77ON AND OVERBURDEN TO BE REMOVED FROM SHOULDER TO SHOULDER 2. SUBGRADE MUSS T BE APPROVED BY 774E ENGINEER FOR GRADE, TEMPLA 7E AND 1. CONSTRUCTION INSPEC77ON OF ALL PROPOSED ROADS VWTHIN THE DEVELOPMENT MILL 22SiNGLE FAMILY (14 DETACHED, 8 ATTACHED) UNITS - CODE 210 & 230 0 un
COMPACT70N BEFORE BASE IS PLACED. BE MADE BY THE COUNTY THE CONTRACTOR MUST N077FY 77-IE DEPARTMENT OF U)
x
PRIOR TO THE CONSTRUCTION OF THE SURGRADE, J. 7E,57 REPORTS ON SELECT MATERIALS MUST BE SIJBA41TTED SHOWNG THE MA7ERIAL COMMUNITY DEVELOPMENT (296-.5832) 48 HOURS IN ADVANCE OF THE START OF ADT: 180 VPD (90 ENTER 190 E-XIT) z Q Q)
MEETS REQUIRED GRADATION rOR TYPE /. fi, OR /// PRIOR TO PLACING AGOREGATE BASE CONSTRUCTION. z q� 0
< 0
DRAINAGE 4 THE REQUIREMENTS TO PUGMILL AGGREGATE BASE WILL BE OVAItIED IN THE EVENT THAT 2. UPON COMPLE77ON OF FINE GRADING AND PREPARA77ON OF THE ROADBED SUBGRADE, AM PEAK: 14 VPH (4 ENTER/ 10 EXIT)
1. ALL PIPE CULVERTS, EXCEPT PRIV47-F ENTRANCES, SHOWN HEREON ARE To BE RCP 107H THE SURFACE COURSE IS BEGINNING AT THE COMPLETION OF THE INSTI-ILLA77ON OF THE THE CON77?ACTOR SHALL HAVE CBR 7EST5 PERFORMED ON THE SUBGRADE SOIL. THREE u-
A MINIMUM COVER OF ONE (1) FOOT AGGREGATE BASE. IN THE EVENT THAT 774E SURFACE COURSE- IS APPLIED PRIOR TO 60
(3) COPIES OF THE TEST RESUL7S SHALL BE SUBMITTED TO THE COUNTY IF A PM PEAK: 19VPH (13 ENTER/ 6 EXIT)
2� STANDARD UNDERDRAINS (CD-1 OR CD-2 OR UD-4`S) TO BE PROWDED AS INDICATED ON DAYS, THE PUGMILL REQUIREMENT WILL APPLY -O;L
SUBGRADE SOIL CBR OF 10 OR GREA7ER IS NOT OBTAINABLE, A REVISED PAVEMENT Lu � �t
THE PLANS, OR WHERE FIELD CONDITIONS INDICA7E. 5. 7HE USE OF AN A GGREGA 7E SPREADER IS REQUIRED P14HEN PLACING A GGREGA 7E BASE. 0 M
DESIGN SHALL BE MADE BY THE DESIGN ENGINEER AND SUBMITTED MPH THE TEST
3. ALL DRIVEWAY EN77?ANCE PIPES SHALL BE A MINIMUM OF- TWENTY (20) FEET IN LENGTH 6. BASE MUST BE APPROVED BY ENGINEER FOR DEPTH, TEMPLATE, AND COMPAC77ON RESULTS FOR APPROVAL.
AND HAVE A MINIMUM DIAMETER OF FIFTEEN 05) INCHES AND SHALL BE PLACED IN BEFORE SURFA GE TREA TMEN T IS A PPL IED. 3. SURFACE DRAINAGE AND PIPE DISCHARGE MUST BE RETAINED YWTHIN THE PUBLIC Amk, Lu _j k: ul
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ACCORDANCE MITH 714E VIRGINIA DEPAR7MENT OF TRANSPORTAION SPECIFICATIONS UNLESS Z PRIME COAT MUST BE APPLIED TO BASE MATERIAL PRIOR TO PLACEMENT OF ASPHALT RIGHT-OF-WAY OR W7HIN EASEMEN7S PRIOR TO ACCEPTANCE BY THE COUNTY ALL <
07HERMI-SE N07ED ON PLIANS� (PRIME COAT RC-250 @ O� 3 GAL�150. YDJ. DRAINAGE OU7FALL EASEMENTS ARE TO BE EX7ENDED TO A BOUNDARY LINE OR A
8. BITUMINOUS SUR-FACE TO BE APPLIED IN ACCORDANCE WITH CURRENT WIRGINIA NA 7URAL WA TERCOURSE. PRIVATE ACCESS PRIVATE ACC5SS w CL U
4� ALL DRAINAGE EASEMENT ISHALL BE CLEARED AND GRADED TO THE SATISFACTION OF THE EASEMENT CIL POINTor, EASEMENT D pm-4
FINISHED 6PADE > cL
ENGINEER. DRAINAGE EASEMENTS SHALL EXTEND TO A POINT DEEMED AS NATURAL WATER DEPARTMENT OF TRANSPORTATION SPECIFICATIONS. 4. GUARDRAIL LOCA 77ONS ARE APPROXIMA TE EXACT LENG7H, LOGA TION AND APPROPRIA 7E W
-10
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COUR-3E. 9. ENCROACHMENT- POSTS, W4LL,-5;, SIGNS, OR SIMILAR ORNAMENTAL STRUCTURES 774A T DO END TREATMEN7S WILL BE FIELD VERIFIED AT THE TIME OF CONSTRUCTION. ADDITIONAL 5URFACECOURSE z
F-
NOT ENHANCE A ROADWAYS CAPACITY OR TRAMT C SAFETY, SHALL NOT BE PERMITTED GUARDRAIL MAY BE REQUIRED AT LOCATIONS NOT SHOWN WHEN, IN 7HE OPINION OF T- V4 z
NOTE.- MANDATORY INSPECTIONS AT THE FOLLOWING PHASES ARE REOUIRED RIZED B Y THE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY PWIEN GUARDRAIL IS ia Li
-11N TH uj Lij
W T1 E RIGHT Or WAY ONLY THOSE STRUCTURES SPECIFICALLY AUTHO EXIST GROUND UR IT
owmgffi%. EXIST GROUND
695
FOR ROADS THAT ARE PROPOSED TO BE STATE M, AINTAINED: PERMIT IS -SUED BY VIRGINIA DEPARTMENT OF TRANSPORTATION MAY BE LOCATED W77-IIN REQUIRED, IT SHALL BE INSTALLED FOUR (4) FEET OFFSET FROM 77-1E EDGE OF -�- 4-kZ14 uj V
7HE S TREE IS RI CH T OF WA Y PAVEMENT TO THE FACE OF GUARDRAIL, AND ROADWAY -SHOULDER OVIDTHS SHALL BE C6-2
i. INSTALLATION OF ANY ENCLOSED DRAINAGE SYSTEM BEFORE IT IS COVERED. INCREASED TO SEVEN (7) FEET EXIST GROUNO �o EXIST GROUND
ALBEMARLE COUNTY WHERE URBAN CROSS SEC77ONS ARE INSTALLED, ALL RESIDEN77AL DRIVEWAY W CL
ENTRANCES SHALL CONFORM TO VDOT CG-9(A, B OR C).
fi, INSTALLATION OF ANY ENCLOSED UTILITY PLACEMENTS WffFlIN THE RIGHT-OF-WAY BEFORE GENERAL CONS-3TRUCTION NOTES
BEING COVERED. 6. WHERE RURAL CROSS SECTIONS ARE INSTALLED, ALL RESIDENTIAL DRIVEWAY ENTRANCES TYPICAZ AZZEY SWTIOAr
SHALL CONFORM TO VDOT STANDARD PE-1, PrSVAr SPZX.V L-1511167T Mmp4
I. PRIOR TO ANY CON-S77?UC770N 144THIN ANY EXISTING PUBLIC RIGHT-OF-WAY, INCLUDING w
ul
Z COMPLIANCE KITH 77-IE MINIMUM PAVEMENT NDT14, SHOULDER WDTH AND DITCH NOT TO SrIALE r-
M. CONSTRUCTION OF THE CUTS AND FILLS, INCLUDING FIELD DENSITY TESTS, BEFORE CONNEC77ON TO ANY EXISTING ROAD, A PERMiT SHALL BE OBTAINED FROM 774E VIRG-INIA w :r > 0
PLACEMENT OF ROADBED BASE MATERIALS. DEPAR7MENT OF THANSPORTA TION (VDOT). TH-155 PLAN AS DRA WN MA Y NOT ACCURA TEL Y SECTIONS, AS SHOWN ON THE TYPICAL PAVEMENT SEC770N DETAIL, SHALL BE S7RICTLY FA 0
ADHERED TO.
REFLECT THE REQUIREMENTS OF THE PERMIT WHERE ANY DISCREPANCIES OCCUR THE z x
iv. A FINAL PAVEMENT DESIGN, BASED ON ACTUAL SOIL CHARACTERISTICS AND CERTIFIED TESTS, 8. ROAD PLAN APPROVAL FOR SUBDIVISIONS IS SUBJECT TO FINAL SUBDIVISION PLAT -U
REQUiREMENTS OF THE PERMIT SHALL GOVERN. Q)
VALIDATION. SHOULD THE FINAL PLAT FOR THIS PROdEr, T EXPIRE PRIOR TO SIGNING AND
SHALL BE COMPLETED AND APPROVED BEFORE THE PAVEMENT STRUCTURE Is PLACED. o
2. ALL MATERIALS' AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICA71ONS RECORDATION, THEN APPROVAL OF THESE PLANS SHALL BE NULL AND VOID. (D
AND STANDARDS OF VDOT UNLESS 077-IERWISE NOT-FU R ALL SIGNS OR OTHER REGULATORY DEVICES SHALL CONFORM W1774 THE VIRGINIA M
v. PLACEMENT OF BASE MATERIALS, INCLUDING STONE DEPTHS, CONSISTENT WITH THE 3. EROSION AND SILTA77ON CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH
MANUAL FOR UNIFORM TRAFFIC CON77?OL DEVICES AND P -MARLE COUNTY ROAD CD u
APPROVED P"EMENT DESIGN, PRIOR TO PLACEMENT OF THE PAVING COURSE OR COURSES, THE APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY HE ALBE (n
FOLLOWED BY FIELD DENSITY AND MOISTURE TESTS AND THE PLACEMENT OF A PAVING COURSE RTY NUMBERING ORDINANCE AND MANUAL, b 0 0-0
NAA41NG AND PROPE c:
CLEARING, GRADING OR OTHER CON-57PUCTION. Lu
AS SOON AS POSSIBLE. 4. ALL SLOPES AND DISTURBED AREAS ARE TO HE FERTILIZED, SEEDED, AND MULCHED. 10. TRAMC CONTROL OR OTHER REGULATORY SIGNS OR BARRICADES SHALL BE INSTALLED Lu
UL
BY THE DEVELOPER WHEN, IN THE OPINION OF THE COUNTY ENGINEER, OR DESIGNEE, 0 w
5� THE MAXIMUM ALLOWABLE SLOPE IS 2- 1 (HORIZONTAL. VERTICAL), WHERE REASONABLY in _0 =j
THEY ARE DEEMED NECESSARY IN ORDER TO PROVIDE SAFE AND CONVENIENT ACCESS. - 0
vi. CONSTRUCTION OF PAVEMENT, INCLUDING DEPTH AND DENSITY, UPON COMPLETION AS PART OBTAINABLE, LESSER SLOPES OF 3.,1 OR BETTER ARE TO BE ACHIEVED. -----YOB NO. --r,
OF THE FINAL INSPECTION. & PAVED, RIP -RAP OR S TABILIZA TION MA T LINED DITCH MAY BE REQUIRED WHEN IN 7HE 11. THE SPEED LIMITS TO BE POSTED ON SPEED LIMIT SIGNS APE 5 MPH BELOW 77-1-F 41 -
0 "
DESIGN SPEED, OR AS DE]TERMINED BY VDOT FOR PUBLIC ROADS 112062
OPINION OF 7HE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO
>
AL THE CONTRACTOR IS RESPONSIBLE FOR CONTACTING VDOTA MINIMUM OF ONE WEEK PRIOR STABILIZE A DRAINAGE CHANNEL. 12. IADOT STANDARD CD-1 OR CD-2 CROSS -DRAINS UNDER TO BE INS7ALLED uNDER THE a)
ul 0
Q ul
TO EACH OF THE ABOVE PHASES OF CONSTRUCTION TO SCHEDULE AN INSPECTION. Z ALL TTAFFIC CON7ROL SIGNS S141-ILL CONFORM VY1774 THE VIRGINIA MANUAL FOR UNIFORM SUBBASE MATERIAL AT ALL CUT AND FILL 7RANSITIONS AND GRADE SAG POINTS' AS SCALE
TRAFFIC CONTROL DEWCES SHOWV ON THE ROAD PROFILES,
AS SHOWN
vJi. FAILURE OF THE CONTRACTOR TO SCHEDULE THESE INSPECTIONS WILL REQUIRE ADDITIONAL & UNLESS 07HERWISE NOTED, ALL CONCRETE PIPE 514ALL BE REINFORCED CONCRETE 13. A VIDEO CAMERA INSPEC77ON IS REQUIRED FOR ALL STORM 5EWERS AND CULVERTS
TESTING OF THE ROADSAJ THE DISCRETION OF VDOT OR NJAY LEAD TO THE ROADS NOT BEING PIPE -CLASS Iffl. THAT ARE DEEMED INACCESSIBLE TO VDOT OR COUNTY INSPECRONS. THE VIDEO
SHEET NO.
ELIGIBLE FOR STATE MAINTENANCE. 9. ALL EXCA VA TION FOR UNDERGR OUND PIPE INSTALLA TION MUST COMPLY WI TH OSHA INSPEC77ON SHALL BE CONDUCTED IN ACCORDANCE WITH VDOT'-S VIDEO CAMERA D
STANDARDS FOR THE CON-STRUCTION INDU,5TTY (29 CFH PART 1926)� INSPEC77ON PROCEDURE AND WITH A VDOT OR COUNTY INSPECTOR PRESENT ul
6 0) >,
If k r,'7 h) `X) q IF ro-
W
All dams and constructed fill to be within 95% of maximurr
q
density and 2% of optimurn moisture content. All fill material
to be, �ripproved by a geotechnic;al engineer. A geotechnical engineer,
is to he present during construction of dams.
2. Pipe and riser joints are to be watertight within storrriwater
management facilitleo.
7,1
Z111
For temporary sediment tra-ps or basins which are, to be
_converted to permanent starmwtiter management facilities;
onversion riot to take place until Uie site is stabilized, and
-permission has been obtained from the erosion control
0 7,
V,
k
'6�
A7,
&
"N 41
f
-Y - V4
J
X
SLImmary of ROILIted Watersheds
2-Year 10-Year
Preclevelopment I Post- Development Predevelopment Post- Development
D. & 'A' 12.93__,,_l D.A.W 1 12.50 D.A.W 43.15 D.A.'P
PrelclevLlo
r
Is
'Ic
> hn
-'y
"e, 'k
..... . . . . . I
N
1V
6,
R
7'
N
7�
4W
11L 5
U S. Department of Agriculture
FL-ENG-21A
Natura I Resources Conservation
Service
06/04
TR 55 Wo rksheet 2: R unoff Curve Number a nd Runoff
Project: Lochlyn Hill Phases I I I I 1 -2, IV
Designed By:
KKW, PE
Date: 7/30/2015
Location: Pen Park Lane, Charlottesville,
Checked
By:
KIM, PE
Date: 7/30/2015
1, Runoff curve N Lumber (CN)
Drainage
Soil name arid
C verclescription
CN (welghted) =
Area
Productof
Calculated
Area
hydrologic group
(Cover
ype, treatmL m, and hydro logic condition; percent impervious;
CN
tota I product/
(Acres)
CN x Area
S value
De cription
(Appendix A)
unconnected/ connected impervious area ratio)
total area
D.A'A'
--.s
98
1 75
171.5
B
Woods in
3ood Condition
55
14.81
814.6
60,11
6� 65
(Present)
Lawns in (
cod Condition (75%+ Groundcover)
61
9,46,
577.1
D.A ' A'
Imperviou
� Areas
981
11.16
10917
(Devel pe
Woods in
3oodConditlon
55
1,2i
66.6
6�6
3,06
wns in C
cod Condition (75%+ Groundcover)
13,65
.832.7
2. Runoff
2-Year Storm
10-Year Storm
100-Year Storm
Drainage Area Description
I -Year Storm
Frequency -years
1
2
10
100
n/a
Ramirall, P (24 hour)- inches
3.0
16
5.5
9.0
n1a
Runoff, Q- inches
0.3z
Ms
1.61
4.11
D.A'A'(Pres it)
Runoff, Q- inches
L48
101
6-1-5
D.A. W(Developed)
4, 1 1
U.S. Department of Agriculture
Natural Resources Conservation Service
TR 55 Warksheet 4: Graphical Peak Discharge Method
Project: Lochlyn Hill Phases 11 111 & IV
Location: Pen Park Lane, Charlottesville, VA
Check One: Present X Deveioped X
1. Data Drainage Area Description
DAW
(Present)
Designed By: KIM, PE
Checked By: KKW, PP
Drainage Area Description
D.A. 'A'
(Developed)
Drainage Area lAm) in miles' -
0.0407
0.0407
Runoff curve number CN-
60.1
76.6
Time of concentration (Tc)-
0.26
0.16
Rainfall distnbution type=
11
11
Pond and swarrip aneas spread
throughout the wattershed-
0
0
2, Frequency years
1
2 io
100
1 2 10 100
:5. Ra i nfa 11, P (24 he ur)- 1 nc hes
10
3.6 5.5
9,0
3 0 3.6 5�5
iu�ffactlon, la- inches
1.329
1.329 1.329
1.329
0.611 (1611 0.611 0.611
5. compute la/P
0.44
0.37 0.24
0.15
0,2Q 0.17 0.11 GD7
6. U nit peak discharge, Qu- csm/in
450
550 660
700
825 850 875 950
7. Runoff, Ofrom Worksheet 2- inches
0.34
0.38 1_61
4.11
1,Q5 1A8 3.01 6,15
8. Pond and Swamp adjustment factor, Fp
i
i I
1
1 1 1 1
9. Peak Discharge, Qp- cfs
where Qlp-Qu Am CL Fp*
6.14
12.93 43.15
116.96
35.15 51.06 107.01 237.47
Qp=Original unrouted values,
dDes not reflect BMP routinvs.
U.S, Depa rtmpnt of Agriculture
Natural Resources Conservation Service
19P
TR 55 Worksheet 3: Time ofConcentration (T,� or Travel
Time (T,)
Project: Lochlyn Hill Phases 11 111 & IV
SCOTT Rl, COLT
,INS,_,
Location; Pen Park Lane, Charlottesville, VA
Check One: Present X Developed X
L) No. 35791 k�-
Check One: T, X T,
Through subarea
-
D�A'A'
D.A.W
-
0-RAL
(Present)
(Developed)
�,egmLnt I D:
Sheet Flow: (Applicable to T, only)
Woods Light
I Surface description (Table 3-1)
Underbrush
Dense Grass
2 Manning's roughriess coeff., n (Table 3-1
0.4
0.24
3 flow length, L (tota I L < 100) (ft)
100
too
4 Two-year 24-hour rainfall, P2 (in.)
3,15
3,6
5 Land slope, s (ft/ft)
0.2.0
010
6 Compute Tt = [0,007(n-L)" / P,"' 50.4
0.13
0.12
15,
Shallow Concentrated Flow:
OD
7 Surface description (paved or unpaved)
Unpaved
Unpaved
UJI
>
'A
C:)
8 Flow Length, L (ft)
1231
63
Q�
u_J
N
9 Watercourse slope, s (ft/ft)
0.071
0.095
Ln
LiJ
10 erage velocity V IF! ore 3-11 fft/sl
A I
C
Ce
X
e
11 Tt L 3600'V 0.03 LLJ 11=11
Q "Z"
GRAPHIC SCALE
Nil _t 0�00
7- f
_,4 0
glIk"
4, 100 0 50 log 200 4M
�ij�N �0, j...
Ln
'A
(-nannel vlow:
im
13 Wetied perimeter, P, (ft) -2
Ln 1:0
V
v, LLJ
U X:
14 Hydraulic radius, r a/P� (ft)
E ui CZ
Ml,
Z .2 E� 0 Ln
R4 FEET 7 Ln
ZVI
...... P 16 Manning's Roughness Coeff, n
Riil �1
>
Iv 3:
U
"A 4 -17 V= 1.49r' n
LIJ
15 Channel Slope, s (ft/ft)
V
00'
�7
1. Flow 1png"th, L (ft) z
-7,
fp ,
o
19 Tt= L 3600"V I
< LLI U
0"g- ' I fl / � MY
'105 ; . I
V
?0 Watershed orsubarea T,orT,
0-p
(Add T, in steps 6, 11 and !9) LU
LU
A
4-
M'' J,
Y
6
A
0A,
JAV�
y�_ - - ------ 0
T, Y"
01
A
V - LU
4�, V
10 DRAINING TO ENHANCED Ni, Tc=o.i5 hrs. (MINIMUM SCS Tc)
V
POST- DEVELOPMENT WATFIRSI-I ED f APPROVED PHASES IA & IB
APPROVED PHASES 1A & IB Y, I ,, 0 rlk
A Y" DEVE LO PM ENT WATERSH EL
DRAINING TO ENHANCED A
'n
>
EXTENDED DETENTION FACILIT, vi rA -11I _1� � I , e "A"', �
7111146-ZI. �f
Y
LU
N
jz�, *`� � " DED DETENTION FACILIT)
f � I A'k�""� EXTEN I
Tc=om hrs. (3.00'of overland flow at :Lo%)
7 of concentrated flow at 9.5%
z
fy
o'� '44 Tc=o.004 hrs. (63'
001!
'a"
Tc:;-,0,03 hrs, (:L625'of channel flOw at 0%)
It- riwr 1 1 V,
hiA
2,1
MEADOW CR E
MEADOW CREEK
_J 'Y- DA'A
'04,
-7 7 J GOLF COURSE
TOST-DEVELOPMENT)
%wT -A
D.A,=26.o2 ac,
GOLF COURSE
J J 1
N
i E K
q
N
1,W.
R,
N:s,
CN=76.6
f
F 4
I X
/y L-A
C14
wx.
il- Y
Z
:000 �4 Tc=o.3.5 hrs.
�,e� Y I
FUTUR 11 EIV
X V,
N ACCOU P
�,z
OF`
q, g M A�
PROPOSED A
V
% . ........
V `V, J/ T?7". FACILITY'DESIGNS
'N0 p,
h
'X
cr,
4W
4�
Y
............. ..... .......
A
PAC
T
7-
J f Y`;y
ON
41PTY, 4,
q_ ............... ..... ......
oo
..... . ... . .
T
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...........
............ . .
y
%
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a 7,
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Wr,"`4,
M.
'v
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i Y
0;
E)A,'A,' C14
w" N'
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Nl�
-(PRE' DEVELO, P-MENT),","/ <
", I J I I )\\ '7� ,
it "1 1"', / " - I , , / -, , " / - , " J
... ...........
...........
_J, V 1
'A"
'Al
5,
'11�1 5",
N -"D,A -.26 a2 6' r
I/ 'N
.1. 1
.14
Q1TS1
�U1Z,,,/ �,X
g,
N� %
1q, "� '� , I ,
�15 k,
11N, v CN` 6
z
r
MW
'g-
% N
hirs.,
..... .. . ... 0 f7
H
\% TO
X, N,
`L,�."' - ' , �% ` , "I
C;6
% f I
(a J
V
TcF M, N Mum 5C
X T rs
C=08 h, 01,166/
ow"'a i �o, i%
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I AV
f
.4,
`\V it
M%
�V`
CL _U
A
A z
0
V)
V
_J
Z, W CL
'I A \ -1�� ,1 0 " - - =
x
V"tt\
all, I �7
0
z
X
5 0
'o
AV 'k F-
........... z _J
0
L.0
T
�kp
7
A. (10
F, LU U
\V,
J- W
-N,
A
�,s
A 4
4,
N� Al�\
ang..........
4V
a
.......... Ilk,
PHASES 11 & Ill
4/2",
1,It Y,
A\
X
)POSED
N�,
U-) z
N A" v
N ca
;ilk A
$1
IN
L U,
J�i
NA
11 X
FXXX
a
% Z
X, !�Z
UJ
&
%
..........
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... ....... ,y
711W A o IN,
N1,11
IV P74
V \Alf )9
IX
%
�40',
EZ
-A'A\
0%
x M Amok
:NJA
:41, x
F
W UJ 102
'N
'A
_4
A
Total Proposed Impervious Area S immary (Includes Future Phase IV); . . . . . .
Area (sf)
N CL
N, - - - - --- - - - -
X I
r
050 sf
Roads, Pa rking &Alleys 215
V" V 1 "1",
OVERVIEW '750 Sf
ji, SIdewalks Lq
%
U)
,-,,STORMWATER NAGEME VE.
A
43,
THE STORMWATER RUNOFF RATES, VOLUMES, AND VELOCITIES RESULTING FROM PHASE X .7 1 H o me s n c I u d es Cotta ges, Apa rtrne rits Apa rtme n ts' Ac cess) 261,400 sf >
0:
9,550 sf
Ill & IV OF THE PROPOSED /FUTU RE DEVELOPMENT SHALL BE TREATED IAA A LEVEL 2
Total 52
X, %�,A\ ",I UJ L-J
,WET POND AND OPEN SPACE PRESERVATION FOR ADDITIONAL STORN]WATER QUALITY -PROPOSE6
2.93 Ak,,RES IN', �14
limp �rvious Area SI.Immary(Subarea A) -0
R 2.93 A(YES
CREDIT. THESE FACILITIES ARE DESIGNED UNDER THE NEW SWM REGULATIONS THAT TOOK P 0105F,&-i
TOTAL,U N
TED 01STURBEDIAND"_ W
PLACE JULY 1st, 2014. NOTE, PHASES IA & 18 HAVE BEEN APPROVED TO 13E TREA Phase A: Area (5f) Quantity (ea) Sub- -LIN D LAND
% TOTAL, NSTURB� 46
VIA AN ENHANCED EXTENDED DETENTION BASIN AND IT IS NOT PROPOSED WITH THI
X
f
PLAN. t �'j
QUALITY"CREDIT", 6,650 1
�0, R- WM bUALITYK-E-11
[Pen Park Lane East Improvements -6 750 6 4,500
[Rea r ha If of a pproved deta c hed I ots I
Total - 1' 150 sf
U) CL
REQUIRES A TOTAL PHOSPHOROUS REMOVAL I
WATER QUALITY, A
CILITY's WATF Zx
Proposed Phases 11 Ill: Area (sf) Qua ntity (ea) Subtota I (sf
OF 21.03 lbs/yr,, RIE PROPOSED FACILITIES PROVIDE A TOTAL PHOSPHOROUS REMOVAL
dewalk 34,275 i 34,275
or 22.78 lbs/yr. PLEASE SEE THE ATTACHED WATER QUALITY CALCULATIONS FOR - -,-A 000
100-
'5 Proposed Roads, Parking Alleys 155,750 1 155,750
IONS SHOWN ON X
LOCATION OF PROPOSEP-4AL-!�, �5,
EVIDENCE OF COMPLIANCE, AS WELL AS THE TABLES AND CALCULAT LOCATION OF PROPOSED
LU
-THIS SHEET & THE FOLLOWING SHEET FOR SUMMARIES OF THE DEVELOPMENTs SWM FACILITY,
Single Family Detached Homes 2,000 65 130,000
SWM FACILOY,
Family Attached Homes 1,25() 17 21,250
APPROVED, PROPOSED & FUTURE CONTRIBUTING IMPERVIOUS AREAS & THE FACILITY Single
v
-'N REQUIREMENTS. -------
ANTICIPATED DESIG Apartments & their Access 19,450 1 19,450 -7"
X
F I N FD,;�:� Cotta Hornes 800 9 7,200
EXISTING DE
EXISTING
4 Total 367,925 sif
WATER QUANTITY- DEFINEO-
+ .
',0 PROVIDE THE NECESSARY DETENTION -X-iX A
r 117%
e E
t CHANNEL,
/THE PROPOSED RETENTION BASIN SHAUL AL!5 CHANN E16
REQUIREMENTS TO OFFSET THE IMPACTS OF THIS DEVELOPMENT. THE Future Phase IV: Area (sf) Quantity (ea) Subtotal (sf)
T
'J,
-DEVELOPMENT 2 YEAR FLOW IS lZ93 CFS, COMPARED TO A 12.50 C
11 . , L , �:- , w " ` - �
PRE S , , " - , - � \� - 1. . ". 0
Future Roads (29' B/C-B/C) 29 1550 44,950
-4
POST -DEVELOPMENT FLOW. THE PRE -DEVELOPMENT 10 YEAR FLOW IS 43.15 CFS, I .,,J.�111_11, . 7! �, � � , " - I
-Y I P 1 ,
tb-2,_�3 ACRES
C)
f1,606,S'E[:i,'2 P?
-"X, I ruture Alleyways (14'F/C-F/C) 14
PPOS
93 AC
0 E Z3
JA
X,''VND STURBED LAND LLJ
5 CFS POST -DEVELOPMENT FLOW. 550 7,700
VNDSTURBED LAND U
TQTAL f, Future Sidewalks 9,475 1 9,475 -7-
f :Wil _7 I A
U-1 r) >
'M LIA ITY R' D
I �L)UAL
e %�, , "� _§ TOT'
IT.-Y C Future Single Family Detached Homes 2,000 13 26,000
w v
CHANNEL ADEQUACY'
8,750
z OR
Future Single Fami 1 -W_ L
-THE PROPOSED DEVELOPMENT HAS ONE OUTFALL POINT DIRECTLY INTO MEADOW CREEK,
% -5,
Total 106,875 sf
ly Attached Flo mes 1,250 15 KT.
MICH FLOWS DIRECTLY INTO THE RIVANNA RIVER. THIS SITE EMPLOYS, THE 1% RULE TO U3
%4 -"-X-'- -11., 2,
Q
lit JOB NO.
CHANNEL ADEQUACY, THE MEADOW CREEK CONTRIBUTING DRAINAGE AREA IS
K
APPROXIMATELY 9 SQ. MILES OR 5,760 ACRES, WHICH IS GREATER THAN 100 TIMES THIS Impervious Area Summary (Bypassed)
41
Proposed Phase5 11 111: Area (sf) Quantity (ea) Subtota I (s I) t
<
PROJECT'S 26.02 ACHE DRAINAGE AREA. 1120
V
S�ngle Farnill Detached Homes 2,000 14 28,000
-4 0
iN
Tota 1 28,000 Sf
SCALE
Total Existing Impervious Area Summary:
U;
n\
44,025 sf
Roads i =100'
VAI
... . . jQ
Drive�vays '. - k. I�y Impervious Area Summary JDra�ning to Phase IA I B PaOity) CO Q)
12,32S sf r
Proposed Phases 11 &. Ill: Area (sf) Quantity (ea) Subtota I (st)
7;
X� tl
Buildings & Structures 19825 sf NJ
SHEEIF
'Ingle Family ::3
Attached Homes 1,250 5 6,250 9)
6 -175 Sf
Total 1 7 0 0)
I� ell
J�, s-
Tot@ 1 6,250 sf 7
-7
W /)