HomeMy WebLinkAboutSDP202100044 Plan - Submittal (First) Initial Site Plan 2021-04-05VICTORIAN HEIGHTS
CINITY M
CALE: 1" = 20
TAP
SCOTT/R. CULLINS'Z
GENERAL NOTES
OWNER.
IMP 04500-00-00-068C2 IMP 04500-00-00-068EO
VICTORIAN PROPERTIES LLC GIBSON, PATRICIA PRICE
610 W RIO ROAD 1210 INGLECRESS DRIVE
CHARLOTTESVILLE, VA 22901 CHARLOTTESVILLE, VA 22901
DEVELOPER:
RIVERBEND DEVELOPMENT
455 2ND STREET NE, SUITE 400
CHARLOTTESOLLE, VA 22902
ENGINEER:
COLLINS ENGINEERING
200 GARRETT ST, SUITE K
CHARLOTTESOLLE, VA 22902
(434)293-3719
TAX MAP NO.:
04500-00-00-068C2 & 04500-00-00-068EO
TOTAL AREA:
IMP 45-68C2: 2.756 ACRES
TMP 45-68E0: 2.183 ACRES
TOTAL ACREAGE: 4.939 ACRES
ZONING:
R-15 RESIDENTIAL, CLUSTER DEVELOPMENT & BONUS DENSITY
FOR AFFORDABLE HOUSING. IN ADDITION, THE PROPERTY IS SUBJECT TO
AIRPORT IMPACT OVERLAY DISTRICT & STEEP MANAGED SLOPES OVERLAY
DISTRICT
PROPOSED USE:
96 SINGLE FAMILY ATTACHED & MUL77—FAMILY RESIDENTIAL UNITS
(15) TOWNHOUSE UNITS
(81) MULTI —FAMILY RESIDENTIAL UNITS (ONE & TWO BEDROOM UNITS
DENSITY:
ALLOWABLE BY —RIGHT DENSITY. 15 DU/AC + 309• BONUS DENSITY INCREASE FOR
AFFORDABLE HOUSING
ALLOWABLE DENSITY: 4.939 ACRES x 15 DU/ACRE x JOX BONUS DENSITY INCREASE
ALLOWABLE DENSITY: 74 BY —RIGHT UNITS + 11 AFFORDABLE & 11 MARKET RATE UNITS
TOTAL ALLOWABLE DENSITY.- 96.3 (19.498 DWELLING UNITS/ACRE)
TOTAL PROPOSED DENSITY: 96 UNITS (19.437 DWELLING UNITS/ACRE)
OPEN SPACE.-
TOTAL OPEN SPACE REQUIRED (CLUSTER DEVELOPMENT 251—) = 1.235 AC
TOTAL OPEN SPACE PROPOSED: = 2.10 ACRES (42.57.)
OPEN SPACE TO BE OWNED AND MAINTAINED BY THE HOMEOWNERS ASSOCIATION. ALL
OPEN SPACE SHALL BE RESERVED IN A DEED FOR THE COMMON USE OF LOT OWNERS IN
THE SUBDIVISION AND DEDICATED TO THE HOA.
TREE PRESERVATION:
NONE REQUIRED WITH THE DEVELOPMENT
PRESERVED/MANAGED SLOPES: NO PRESERVED SLOPES ARE SHOWN WITHIN THE LIMITS OF THE PROPERTY. 4
SMALL AREAS OF MANAGED SLOPES ARE LOCATED ON THE PROPERTY AND SHOWN ON
THE EXISTING CONDITIONS PLAN SHEET.
BUILDING HEIGHTS:
NO MINIMUM BUILDING HEIGHT & MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 60 FEET.
NOTE, BUILDINGS GREATER THAN 3 STORIES MUST STEP BACK A MINIMUM OF 15 FEET
AFTER THE 3RD STORY OR PROVIDE A MINIMUM 15 FOOT FRONT STEPBACK OR SIDE
SETBACK ADJACENT TO A STREET
TOWNHOUSE UNITS: 35' MAXIMUM HEIGHT (3 STORIES)
MULTI —FAMILY UNITS:
BLDGS 1,5 AND 6: 40' MAXIMUM HEIGHT (3 STORIES AND A BASEMENT)
BLDGS 3 AND 4: 60' MAXIMUM HEIGHT (4 STORIES). NOTE, BLDGS 3 & 4 FRONT ON
A GREENSPACE AREA, AND A SPECIAL EXCEPTION REQUEST IS INCLUDED
WITH THE APPLICAT70N FOR AN EXCEPTION TO THE REQUIRED STEPBACK ALONG
THESE (2) BUILDINGS
SETBACKS:
FRONT. 5' MINIMUM (18' MINIMUM FROM R/W OR EDGE OF SIDEWALK TO GARAGE) AND 25'
MAXIMUM
SIDE: NONE — MIN. 10' BUILDING SEPARATION
REAR: 20' MINIMUM.
NOTE: COVERED PORCHES, BALCONIES, CHIMNEYS, EAVES, AND THE LIKE
ARCHITECTURAL FEATURES MAY PROJECT NOT MORE THAN FOUR FEET INTO ANY REQUIRED
YARD PROVIDED THAT NO SUCH FEATURE SHALL BE LOCATED CLOSER THAN SIX FEET
FROM ANY LOT LINE.
SUBDIVISION STREETS:
CURB & GUTTER
WATERSHED:
SOUTHFORK RIVANNA RIVER WATERSHED
AGRICULTURAL/ FORESTAL DISTRICT: NONE
TOPO & SURVEY:
TOPOGRAPHY PROVIDED BY ROUDABUSH, GALE AND ASSOCIATES, ✓ANUARY 2021. THE
BOUNDARY LINE INFORMATION IS PROVIDED BY ROUDABUSH, GALE, AND ASSOCIATES.
INFORMATION FIELD VERIFIED BY COLLINS ENGINEERING FEBRUARY 2021.
DATUM:
NAD 83
EXISTING VEGETATION:
BOTH PARCELS ARE PRIMARY WOODED, WITH EXCEPTION FOR THE CLEARED AREA
ASSOCIATED WITH THE UTILITY EASEMENTS
LIGHTING:
NO SITE OR STREET LIGHTING IS PROPOSED WITH THIS PROJECT ANY SITE
LIGHTING SHALL CONFORM TO ALBEMARLE COUNTY ZONING ORDINANCE REQUIREMENTS.
PARKING:
96 SINGLE FAMILY ATTACHED & MULTI —FAMILY UNITS = 192 OFF—STREET PARKING SPACES
REQUIRED
MINIMUM (1) DRIVEWAY SPACE + (1) GARAGE SPACE
TOTAL PARKING PROVIDED: 192 OFF—STREET PARKING SPACES
GUEST SPACES: 1 SPACE PER 4 UNITS = 24 SPACES REQUIRED
PROVIDED GUEST PARKING SPACES (ON —STREET PARKING) = 25 SPACES
ROADWAYS AND PAVED
CIRCULATION AREA = 28,675 SF (ACCESS EASEMENT/TRAVELWAY)
IMPERVIOUS AREAS.
Proposed Roadway 30,100 sf
Proposed Sidewalk 17,825 sf
Proposed Driveways 23,040 sf
Proposed Buildings 61,430 sf
132,395 si
INITIAL SITE PLAN &
PRELIMINARY PLAT
SDP2021m00
RIO DISTRICT - ALBEMARLE COUNTY, VIRGINIA
TMP 4 LIVING
"A
WEBER LEWIS
TRUST TMP45.73
ZONING: RURAL HINES, ZELDA MAE OR
DB 4998, PG.437 WILLE LEE HINES /
ZONING: RURAL
/ DBno56, PG.6o7 /
�F o
- - - - - - ____
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SHEeT
LAYOUT
SALE:
111 - 50'
TMP 45-7z
RIVANNA WATER &
SEWER AURTHORITY
TMP45-7i
RIVANNA WATER &
TMP 45-69Bi
ZONING: RURAL
DB.766, PG.z77
SEWERAURTHORITY
/ ZONING: RURAL
/
D, HUNTER W
REVOCABLE
AB ETRUST C/O
/ DB.768, PG.2]7
/
HUNTERWWOOD,
TRUSTEE
/
ZONING: RURAL
DB.53oz, PG.yB—
-ROADS
— — — — — — —
— — —
-- — — — — — —
STATE ROUTE 659
—
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UNIT
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(WS&(8)MARK
UNIT&
UNITS
RATE UN175
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BUILDING#311
6 UNITS
j(16)MAURKEf
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PHASING:
THIS PROPERTY SHALL BE DEVELOPED WITHIN 1 PHASE
BUILDING SITES.•
PARCELS 1-15 AND THE RESIDUE PARCEL EACH CONTAIN A BUILDING SITE 7HAT COMPLIES
WITH THE REQUIREMENTS OF SECTION 4.2.1 OF THE ALBEMARLE COUNTY ZONING
ORDINANCE.
BURIAL SITES:
NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE.
STREAM BUFFERS:
NO STREAM BUFFERS ARE LOCATED ON THESE PROPERTES OR WITHIN THE LIMITS OF THIS
PROJECT AREA.
FLOODPLAIN:
THIS PROPERTY IS NOT IN A FLOODPLAIN ZONE AS SHOWN ON FEMA MAP#51003CO229D,
DATED FEBRUARY 4, 2005. THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDATION
ZONE.
RETAINING WALLS:
RETAINING WALLS ARE PROPOSED WITH THE DEVELOPMENT AS SHOWN ON THE PLAN, SEE
SHEET4 FOR DETAILS. RETAINING WALLS GREATER THAN 3' IN HEIGHT REQUIRE A
SEPARATE BUILDING PERMIT. WALLS EXCEEDING 4' IN HEIGHT REQUIRE A STAMPED
ENGINEERING DESIGN. WALLS CROSSING LOT LINES REQUIRE AN EASEMENT.
LANDSCAPING:
STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS IN ACCORDANCE WITH
ALBEMARLE COUNTY LANDSCAPING REQUIREMENTS WITHIN SECTION 32.7.9 OF THE COUNTY
CODE. A LANDSCAPING PLAN WILL BE PROVIDED WITH THE FINAL SITE PLAN FOR COUNTY
REVIEW AND APPROVAL. ALL LANDSCAPING REQUIREMENTS SHALL BE SHOWN ON THIS
FINAL LANDSCAPING PLAN. STREET TREES SHALL BE PROVIDED ALONG THE PUBLIC
STREETS 50' O.C. IN ACCORDANCE WITH VDOT AND ALBS CO. STANDARDS.
TRASH:
EACH UNIT SHALL HAVE AN INDIVIDUAL TRASH CONTAINER, AND ALL TRASH SHALL BE
COLLECTED BY A DRIVING DUMPSTER SERVICE.
RECREATION AREA:
REQUIRED RECREATIONAL AREA: 96 UNITS x 200 SF = 19,200 SF
PROPOSED 22,220 SF (0.51 AC) INCLUDING (1) TOT LOT (2,515 SF), (1) RECREATION FIELD
(8,000 SF), AND PASSIVE RECREATIONAL AMENITIES
TOT LOT AREA SHALL INCLUDE THE FOLLOWING, AT A MINIMUM:
ONE (1) SWING (FOUR SEATS)
ONE (1) SLIDE WITH TWO (2) CLIMBERS
ONE (1) BUCKABOUT OR WHIRL
TWO (2) BENCHES
RECREATIONAL PLAYFIELD
NOTE: A RECREATI0NAL SUBSTITUTION WAIVER WILL BE SUBMITTED WITH THE FINAL SITE
PLAN FOR THE PROPOSED RECREATIONAL AMENITIES WITHIN THE DEVELOPMENT.
OFFSITE EASEMEN T.•
ALL PROPOSED GRADING SHALL BE CONSTRUCTED ON SITE, WI7HIN EXISTING
RIGHT—OF—WAY OR WITHIN EXISTING EASEMENTS. OFFSITE UTILITY EASEMENTS AND SIGHT
DISTANCE EASEMENTS ARE PROPOSED WITH THIS DEVELOPMENT.
I
LOT.. I LOT u3 I LOT i4 I LOT i5
JILDINCj#4
z4 UNITS
MARKETRAT
UNITS I
TRIP GENERATION CALCULATIONS
TRIP GENERATION BASED ON ITE TRIP GENERATION MANUAL (ioTH EDITION)
96 MULTI -FAMILY HOUSING (LOW-RISE) - CODE 220
ADT: 703 VPD (352 ENTER/ 351 EXIT)
AM PEAK: 44 VPH (io ENTER/ 34 EXIT)
PM PEAK: 54 VPH (34 ENTER/ 20 EXIT)
GENERAL BUILDING DEPARTMENT NOTES:
1. WHERE THE FLOOD LEVEL RIMS OF PLUMBING FIXTURES ARE BELOW THE
ELEVATION OF THE MANHOLE COVER OF THE NEXT UPSTREAM MANHOLE IN THE
PUBLIC SEWER, THE FIXTURES SHALL BE PROTECTED BY A BACKWATER VALVE
INSTALLED IN THE BUILDING DRAIN, BRANCH OF THE BUILDING DRAIN OR
HORIZONTAL BRANCH SERVING SUCH FIXTURES. PLUMBING FIXTURES HAVING
FLOOD LEVEL RIMS ABOVE THE ELEVAT70N OF THE MANHOLE COVER OF THE
NEXT UPSTREAM MANHOLE IN THE PUBLIC SEWER SHALL NOT DISCHARGE
THROUGH A BACKWATER VALVE.
2. DUE TO REQUIRED DISTANCES FROM LOT LINES AND STRUCTURES AS REQUIRED
BY THE NFPA, UNDERGROUND PROPANE TANKS MAY BE PROHIBITED. THE
BUILDER/DEVELOPER SHALL PLAN ACCORDINGLY.
J. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE
STRUCTURE MUST HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING
DEPARTMENT.
AREA CALCULATIONS
LAND USE AREA ACREAGE
LOTS 1.70 AC (34.3%)
OPEN SPACES 2.10 AC (42.5%)
RIGHT OF WAY DEDICATION 0.48 AC (10.0%)
ACCESS EASEMENT 0.66 AC (13.2%)
TOTAL: 4.94 AC
NOTE: PERCENTAGE OF OPEN SPACE OUTSIDE OF
ALL STORMWATER MANAGEMENT FACILITIES,
STREAM BUFFERS, FLOODPLAIN, AND
MANAGED/PRESERVED SLOPES =94%.
THIS AREA IS GREATER THAN THE REQUIRED 20%.
Sheet List Table
Sheet
Number
Sheet Title
i
COVER
2
EXISTING CONDITIONS
3
SITE LAYOUT
4
UTILITY, GRADING & DRAINAGE PLAN
5
NOTES & DETAILS
6
STORMWATER MANAGEMENT PLAN
6 TOTAL NUMBER OF SHEETS
LEGEND
EDGE OF PAVEMENT
CURB
PROPOSED ASPHALT PAVEMENT
EXISTING VEGETA77VE/LANDSCAPE BUFFER
GREEN WAY BUFFER
PROPOSED EASEMENT, VARIOUS WITH EACH SHEET
Q
DROP INLET & STRUCTURE NO.
DRAINAGE PIPE
BENCH MARK
4
VDOT STANDARD STOP SIGN
PROPOSED HANDICAP PARKING SPACE STRIPING
PROPOSED ASPHALT STRIPING (DIRECTING TRAFFIC)
zDa
EXISTING CONTOUR
zoo
PROPOSED CONTOUR
506.71 TC
506.21 EP
PROPOSED SPOT ELEVATION
TBC DENOTES TOP/BACK OF CURB
T/B DEN07ES TOP OF BOX
506.71 TW
506.21 eW
PROPOSED SPOT ELEVATION
TW DENOTES TOP OF WALL
BW DENOTES BOTTOM OF WALL
PRESERVED STEEP SLOPES
MANAGED STEEP SLOPES
PEDESTRIAN AND VEHICLE ACCESS
PROPOSED CONCRETE
PROPOSED & EXIS77NG GUARDRAIL
PROPOSED FENCE
Oo OO OO OO
100 YR. FLOODPLAIN
APPROVALS DATE
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNER/ZONING
ENGINEER
INSPECTIONS
ARB
DEPARTMENT OF FIRE RESCUE
ALBEMARLE COUNTY SERVICE AUTHORITY
VIRGINIA DEPARMENT OF TRANSPORTATION
HEALTH DEPARTMENT
No. 35791 ,1:'
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1) SCALE
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WEBER, LEWIS A LIVING
TRUST
ZONING: RURAL
DB.4998, PG.437
4
NOTES:
/ 1. RETAINING WALLS GREATER THAN 3 FEET IN HEIGHT REQUIRE A SEPARATE
BUILDING PERMIT. WALLS EXCEEDING 4 FEET IN HEIGHT REQUIRE A STAMPED
ENGINEERED DESIGN.
2. ALL OPEN SPACES SHALL BE DEDICATED TO THE HOA DURING THE SUBDIVISION
PLAT PROCESS. /
3. THE TRAVELWAY SHOWN ON THE PLANS SHALL BE LOCATED WITHIN A PRIVATE
ACCESS EASEMENT.
4. MAINTENANCE OF ALL STREET TREES AND THE PEDESTRIAN CROSSWALKS SHALL BE /
THE RESPONSIBILITY OF THE HOA.
TMP 45-73
HINES, ZELDA MAE OR
WILLE LEE HINES
ZONING: RURAL
DB-1056, PG.607
PROPOSED (25) ON -STREET
PARK
ING SPACES
(----- PARKING SPACES)
S48` q3` 53.-3§"W --- 404:992 `
/ PROPOSED TMP 45-68C2
WSA UTILITY
/ EASEMENT 2.756 AC
WOODBURN ROAD (APPROX)
STATE ROUTE 659
R/W' (DB 534, PG 154)- - - -
—PROPOSED VDOT
/ N DEDICATION
------ _-AREA = 0.376 AC
TMP 45-72 /
RIVANNA WATER & /
SEWER AURTHORITY
ZONING: RURAL
DB.768, PG.277
TMP 45-68E
2.183 AC
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SCOTT/R. CbLLINSZ
No. 35791
04/05/21
TMP 45-71 TMP 45-69Bi
RIVANNA WATER & / WOOD, HUNTER W
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GENERAL CONSTRUCTION NOTES FOR STREETS
ALBEMARLE COUNTY
GENERAL CONSTRUCTION NOTES
1.
CONSTRUCTION INSPECTION OF ALL PROPOSED ROADS WITHIN THE DEVELOPMENT WILL BE MADE BY THE COUNTY. THE CONTRACTOR MUST NOTIFY THE
DEPARTMENT OF COMMUNITY DEVELOPMENT (296-5832) 48 HOURS IN ADVANCE OF THE START OF CONSTRUCTION.
1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT-OF-WAY INCLUDING
2.
UPON COMPLETION OF FINE GRADING AND PREPARATION OF THE ROADBED SUBGRADE, THE CONTRACTOR SHALL HAVE CBR TESTS PERFORMED ON
CONNECTION TO ANY EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE WIRGINIA
THE SUBGRADE SOIL. THREE (3) COPIES OF THE TEST RESULTS SHALL BE SUBMITTED TO THE COUNTY. IF A SUBGRADE SOIL CBR OF 10 OR GREATER
DEPARTMENT OF 7RANSPORTA77ON (VDOT). THIS PLAN AS DRAWN MAY NOT ACCURATELY
IS NOT OBTAINABLE, A REVISED PAVEMENT DESIGN SHALL BE MADE BY THE DESIGN ENGINEER AND SUBMITTED WITH THE TEST RESULTS FOR
REFLECT THE REQUIREMENTS OF THE PERMIT WHERE ANY DISCREPANCIES OCCUR THE
APPROVAL.
REQUIREMENTS OF THE PERMIT SHALL GOVERN.
3.
SURFACE DRAINAGE AND PIPE DISCHARGE MUST BE RETAINED WITHIN THE PUBLIC RIGHT-OF-WAY OR WITHIN EASEMENTS PRIOR TO ACCEPTANCE BY
2 ALL MATERIALS AND CONS7RUC77ON METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS
THE COUNTY. ALL DRAINAGE OUTFALL EASEMENTS ARE TO BE EXTENDED TO A BOUNDARY LINE OR A NATURAL WATERCOURSE.
AND STANDARDS OF VDOT UNLESS OTHERWISE NOTED.
4.
GUARDRAIL LOCATIONS ARE APPROXIMATE. EXACT LENGTH, LOCATION AND APPROPRIATE END TREATMENTS WILL BE FIELD VERIFIED AT THE TIME OF
J. EROSION AND SILTA77ON CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE
CONSTRUCTION. ADDITIONAL GUARDRAIL MAY BE REQUIRED AT LOCATIONS NOT SHOWN WHEN, IN THE OPINION OF THE COUNTY ENGINEER, OR
APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING,
DESIGNEE, IT IS DEEMED NECESSARY. WHEN GUARDRAIL IS REQUIRED, IT SHALL BE INSTALLED FOUR (4) FEET OFFSET FROM THE EDGE OF PAVEMENT
GRADING OR OTHER CONS7RUC77ON.
TO THE FACE OF GUARDRAIL, AND ROADWAY SHOULDER WIDTHS SHALL BE INCREASED TO SEVEN (7) FEET.
4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED, AND MULCHED.
5.
WHERE URBAN CROSS SECTIONS ARE INSTALLED, ALL RESIDENTIAL DRIVEWAY ENTRANCES SHALL CONFORM TO VDOT CG-9(A, B OR C).
5. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL: VERTICAL). WHERE REASONABLY
6.
WHERE RURAL CROSS SECTIONS ARE INSTALLED, ALL RESIDENTIAL DRIVEWAY ENTRANCES SHALL CONFORM TO VDOT STANDARD PE-1.
OBTAINABLE, LESSER SLOPES OF 3.•1 OR BETTER ARE TO BE ACHIEVED.
7.
COMPLIANCE WITH THE MINIMUM PAVEMENT WIDTH, SHOULDER WIDTH AND DITCH SECTIONS, AS SHOWN ON THE TYPICAL PAVEMENT SECTION DETAIL,
6. PAVED, RIP -RAP OR STABILIZA77ON MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION
SHALL BE STRICTLY ADHERED TO.
OF THE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A
8.
ROAD PLAN APPROVAL FOR SUBDIVISIONS IS SUBJECT TO FINAL SUBDIVISION PLAT VALIDATION. SHOULD THE FINAL PLAT FOR THIS PROJECT EXPIRE
DRAINAGE CHANNEL.
PRIOR TO SIGNING AND RECORDATION, THEN APPROVAL OF THESE PLANS SHALL BE NULL AND VOID.
7. ALL 77?AFFIC CONTROL SIGNS SHALL CONFORM WITH THE WRGINIA MANUAL FOR UNIFORM
9.
ALL SIGNS OR OTHER REGULATORY DEVICES SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES AND THE
TRAFFIC CONTROL DEVICES.
6, UNLESS 07HERWSE NOTED, ALL CONCRETE PIPE SHALL BE REINFORCED CONCRE7E PIPE -CLASS
ALBEMARLE COUNTY ROAD NAMING AND PROPERTY NUMBERING ORDINANCE AND MANUAL.
1/4
10.
TRAFFIC CONTROL OR OTHER REGULATORY SIGNS OR BARRICADES SHALL BE INSTALLED BY THE DEVELOPER WHEN, IN THE OPINION OF THE COUNTY
9. ALL EXCAVA77ON FOR UNDERGROUND PIPE INSTALLA77ON MUST COMPLY WITH OSHA STANDARDS
ENGINEER, OR DESIGNEE, THEY ARE DEEMED NECESSARY IN ORDER TO PROVIDE SAFE AND CONVENIENT ACCESS.
FOR THE CONS77?UC770N INDUSTRY (29 CFR PART 1926).
11.
THE SPEED LIMITS TO BE POSTED ON SPEED LIMIT SIGNS ARE 5 MPH BELOW THE DESIGN SPEED, OR AS DETERMINED BY VDOT FOR PUBLIC ROADS,
12.
VDOT STANDARD CD-1 OR CD-2 CROSS -DRAINS UNDER TO BE INSTALLED UNDER THE SUBBASE MATERIAL AT ALL CUT AND FILL TRANSITIONS AND
NOTE: MANDATORY INSPECTIONS AT THE FOLLOWING PHASES ARE REQUIRED FOR
GRADE SAG POINTS AS SHOWN ON THE ROAD PROFILES.
13.
A VIDEO CAMERA INSPECTION IS REQUIRED FOR ALL STORM SEWERS AND CULVERTS THAT ARE DEEMED INACCESSIBLE TO VDOT OR COUNTY
ROADS THAT ARE PROPOSED TO BE STATE MAINTAINED:
INSPECTIONS. THE VIDEO INSPECTION SHALL BE CONDUCTED IN ACCORDANCE WITH VDOT'S VIDEO CAMERA INSPECTION PROCEDURE AND WITH A VDOT
OR COUNTY INSPECTOR PRESENT.
I. INSTALLATION OF ANY ENCLOSED DRAINAGE SYSTEM BEFORE IT IS COVERED.
ROAD NOTES
ii. INSTALLATION OF ANY ENCLOSED UTILITY PLACEMENTS WITHIN THE RIGHT-OF-WAY BEFORE BEING
COVERED.
GRADING:
III. CONSTRUCTION OF THE CUTS AND FILLS, INCLUDING FIELD DENSITY TESTS, BEFORE PLACEMENT OF
1. THE LATEST EDITION OF THE ROAD & BRIDGE SPECIFICATIONS, THE ROAD & BRIDGE STANDARDS OF THE VIRGINIA
ROADBED BASE MATERIALS.
DEPARTMENT OF TRANSPORTATION SPECIFICATIONS SHALL GOVERN THE MATERIAL AND CONSTRUCTION METHODS OF THIS
PROJECT.
iv. A FINAL PAVEMENT DESIGN, BASED ON ACTUAL SOIL CHARACTERISTICS AND CERTIFIED TESTS,
2. WHERE UNSUITABLE MATERIAL IS ENCOUNTERED IN THE ROADWAY IT SHALL BE REMOVED FROM THE ENTIRE ROAD RIGHT
SHALL BE COMPLETED AND APPROVED BEFORE THE PAVEMENT STRUCTURE IS PLACED.
OF WAY WIDTH AND REPLACED WHERE NECESSARY WITH SUITABLE MATERIAL TO THE SATISFACTION OF THE ENGINEER.
3. ALL GROWTH OF TREES AND VEGETATION SHALL BE CLEARED AND GRUBBED FOR THE ENTIRE EASEMENT. OTHER TREES AND
v. PLACEMENT OF BASE MATERIALS, INCLUDING STONE DEPTHS, CONSISTENT WITH THE APPROVED
VEGETATION WHICH OBSTRUCT SIGHT DISTANCES AT ROAD INTERSECTIONS SHALL BE REMOVED.
PAVEMENT DESIGN, PRIOR TO PLACEMENT OF THE PAVING COURSE OR COURSES, FOLLOWED BY FIELD
4. ALL VEGETATION AND OVERBURDEN TO BE REMOVED FROM SHOULDER TO SHOULDER PRIOR TO THE CONSTRUCTION OF THE
DENSITY AND MOISTURE TESTS AND THE PLACEMENT OF A PAVING COURSE AS SOON AS POSSIBLE.
SUBGRADE.
vi. CONSTRUCTION OF PAVEMENT, INCLUDING DEPTH AND DENSITY, UPON COMPLETION AS PART OF
DRAINAGE:
THE FINAL INSPECTION.
1. ALL PIPE CULVERTS, EXCEPT PRIVATE ENTRANCES, SHOWN HEREON ARE TO BE RCP WITH A MINIMUM COVER OF ONE (1)
vii. THE CONTRACTOR IS RESPONSIBLE FOR CONTACTING VDOTA MINIMUM OF ONE WEEK PRIOR TO
FOOT.
EACH OF THE ABOVE PHASES OF CONSTRUCTION TO SCHEDULE AN INSPECTION.
2. STANDARD UNDERDRAINS (CD-1 OR CD-2 OR UD-4'S) TO BE PROVIDED AS INDICATED ON THE PLANS, OR WHERE FIELD
CONDITIONS INDICATE.
viii. FAILURE OFTHE CONTRACTOR TO SCHEDULE THESE INSPECTIONS WILL REQUIRE ADDITIONAL
3. ALL DRIVEWAY ENTRANCE PIPES SHALL BE A MINIMUM OF TWENTY (20) FEET IN LENGTH AND HAVE A MINIMUM DIAMETER
TESTING OF THE ROADS AT THE DISCRETION OF VDOT OR MAY LEAD TO THE ROADS NOT BEING
OF FIFTEEN (15) INCHES AND SHALL BE PLACED IN ACCORDANCE WITH THE VIRGINIA DEPARTMENT OF TRANSPORTAION
ELIGIBLE FOR STATE MAINTENANCE.
SPECIFICATIONS UNLESS OTHERWISE NOTED ON PLANS.
4. ALL DRAINAGE EASEMENT SHALL BE CLEARED AND GRADED TO THE SATISFACTION OF THE ENGINEER. DRAINAGE EASEMENTS
SHALL EXTEND TO A POINT DEEMED AS NATURAL WATER COURSE.
PAVEMENT:
1. AN ACTUAL COPY OF THE CBR REPORT IS TO BE SUBMITTED PRIOR TO THE PLACEMENT OF THE AGGREGATE BASE I
MATERIAL. IF THE SSV VALUES ARE LESS THAN 10, THE DEVELOPER WILL BE REQUIRED TO SUBMIT FOR ENGINEERS ESMT
O F
ROLL rOR C/L POINT POINT GRADE ESMT
APPROVAL THE PROPOSED METHOD OF CORRECTION.
CURB
2. SUBGRADE MUST BE APPROVED BY THE ENGINEER FOR GRADE, TEMPLATE AND COMPACTION BEFORE BASE IS PLACED.
1/a"1' 1/4"1'
3. TEST REPORTS ON SELECT MATERIALS MUST BE SUBMITTED SHOWING THE MATERIAL MEETS REQUIRED GRADATION FOR TYPE
--
I, II, OR III PRIOR TO PLACING AGGREGATE BASE.
,,,4.
THE REQUIREMENTS TO PUGMILL AGGREGATE BASE WLL BE WAIVED IN THE EVENT THAT THE SURFACE COURSE IS
BEGINNING AT THE COMPLETION OF THE INSTALLATION OF THE AGGREGATE BASE. IN THE EVENT THAT THE SURFACE
112
4• y
COURSE IS APPLIED PRIOR TO 60 DAYS, THE PUGMILL REQUIREMENT WILL APPLY.5.
ROUTE 20 PAVING MUST MEET THE EXISTING SECTION AND ALL OTHER PUBLIC STREETS MUST HAVE AN APPROVED
(TR4VE ARE) ' (TRAVEL LANE) 3'SASE
PAVEMENT DESIGN PRIOR TO INSTALLATION OF THE STONE BASE.
22' E/P-E/P
28' PRIVATE ACCESS EASEMENT
TYPICAL SECTION - 98' TRAlIELTYAY
(PRIVATE ALLEY)
WP-2
EDGE OF EXISING PAVEMENT
(AS DETERMINED IN FIELD)
TACK COAT THE PROPOSED
CONSTRUCTION JOINT EXISTING ASPHALT LAYERS PROPOSED ASPHALT LAYERS
EXISTING SUBBASE - - - - - PROPOSED SUBBASE - - - - - - -
COMPACTED SUBGRADE
CONSTRUCTION JOINT DETAIL
® REMOVE EXISTING ASPHALT LAYERS TO EXISTING SUBBASE AND REPLACE WITH PROPOSED ASPHALT WIDENING LAYERS
® PROPOSED MINIMUM 1 yE INCH THICK ASPHALT SURFACE COURSE (SEE NOTE 51
x MR" 12 INCHES, OR GREATER AS NECESSARY TO ABUT THE FULL THICKNESS OF EXM71NG ASPHALT LAYERS
AS DETERMINED BY CORES (SEE NOTE 3)
NOTES:
1. ASPHALT PAVEMENT WIDENING SHALL HAVE A PAVEMENT DESIGN IN ACCORDANCE WITH CURRENT VDOT PROCEDURES AND BE APPROVED BY THE ONGNEER.
2. THE PAVEMENT DESIGN FOR ASPHALT PAVEMENT WIDENING SHALL MEET OR EXCEED THE DEPTHS AND TYPES OF THE LAYERS OF EXISTING PAVEEENT.
SUBSURFACE DRAINAGE OF THE EXISTING ARE PROPOSED PAVEMENT SHALL BE ADDRESSED IN THE PAVEMENT DESIGN.
3. A MINIMA OF THREE CORES SHALL BE TAKEN ALONG THE CENTER OF THE ADJACENT TRAVEL LANE TO DETERMINE THE TYPE AND THICKNESS OF EXISTING
PAVEMENT LAYERS. THESE CORES SHNLL BE SPACED NO MORE THAN 500 FEET MART.
4. THE ADJACENT TRAVEL LANE SHALL BE MILLED A MINIMUM DEPTH OF , 1' INCHES AND REPLACED WITH AN ASPHALT SURFACE COURSE TO MATCH THE
PROPOSED PAVEMENT WIDENING SURFACE COURSE. UNLESS WAVED BY HE ENGINEER.
5. THE ENGINEER MAY REQUIRE THE MLUNG DEPTH CF THE EXISTING PAVEMENT TO BE ADJUSTED TO ACHIEVE AN ACCEPTABLE PAVEMENT CROSS -SLOPE
AND EFFECTIVE SURFACE DRANAGE.
S. EXISTING PAVEMENT MARLNGS AND MARKERS WITHIN THE PROJECT LIMITS SHALL BE RESTORED SUBJECT TO THE APPROVAL OF THE ENGINEER.
7. FINAL TRANSVERSE PAVEMENT TIE-IN SHALL CONFORM TO THE REQUIREMENTS OF SECTION 315 OF THE SPECIFICATIONS EXCEPT THAT ALL JOINTS
AT TIE-IN LOCATIONS SHALL BE TESTED USING A 10 FOOT 5TRAGHTEDGE N ACCORDANCE WITH THE REQUIREMENTS OF SECTION 315 OF THE
SPECIFICATIONS.
'�VooT
ROAD AND BRIDGE STANDARDS
SHEET 1 OF 1 REVISION DAI
003.02
ASPHALT PAVEMENT WIDENING
FOR WIDENING SUBJECT TO TRAFFIC
VIRGINIA DEPARTMENT OF TRANSPORTATION
315
POINT OF
CG-6 C/L FINISHED GRADE E I T
/CURB
//// 1/4T•1i' i/4�•i'
T4S
AM 7TSE
'260
tlNSZTgJEETVEL LANE) (TRAVEL C LANE) 2.5 3�
20' E/P-E/P
31' PRIVATE ACCESS EASEMENT
TYPICAL SECTION - 31 ' TRA VELW.4Y
(PRIVATE ALLEY)
PROPOSED 1" SM-9.5
OVERLAY
EXISTING -
PAVEMENT
EX. STONE -
SUBBASE
ASPHALT PAVING - MILL/OVERLAY
NO SCALE
6" ASPHALT ...;.. "'_•""r"•"."�'��'^.:n. r •1�,`tti%y'a'""''..
COMPACTED
SUBGRADE
5' ASPHALT PEDESTRIAN TRAIL
NO SCALE
NOTE: THE PROPOSED BERKMAR DRIVE PAVING SECTION
SHALL MATCH THE EXISTING SECTION OF BERKMAR DRIVE
PAVING ALONG THE PROPOSED ROADWAY
IMPROVEMENTS, AND ALL OTHER PROPOSED PUBLIC
STREETS MUST HAVE AN APPROVED PAVEMENT DESIGN
PRIOR TO INSTALLATION OF THE STONE BASE.
SIDEWALK (WHERE REQUIRED) VDQT STD. CURB A
CONSTRUCTED ADJACENT TO DROP INLET (10I-3)
AND FLUSH WITH INLET TOP WITH TYPE !A• NOSING
L 0.5' O
A ..
::FLOW LINE : M • �, ..*� : . ':.:. '. • ':: , .. i ' .. FLAW UN&• 3
I _6' MIN. TRANSITION 1
VDOT STD. ROLL-TOP CURB SECTION A
SEE DETAILS XS-3A AND XS-3C
NO W SCALE
m
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Q00
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1.6'3
F-- 0.5'
r_r L ___ zl__T
3. I I 1III
I I I I
SECTION A -A
NO SCALE
Face
1.5" SM-9.5-�
SURFACE COURSE
4" BM-25 -
INTERMEDIATE COURSE
9.5" 21-A
BASE COURSE
ASPHALT PAVING - BERKMAR DRIVE
NO SCALE *NOTE: THIS IS A MIN. PAVEMENT DESIGN.
ASPHALT PAVEMENT SECTION SHALL MATCH
THE EXISTING PAVEMENT SECTION.
1.5" SM-9.5
SURFACE COURSE
3" BM-25 IIIHIIIIIIIIIIIIIIIIIIIHIIII
INTERMEDIATE COURSE
5 21-A
BASE COURSE
COMPACTED
SUBGRADE
ASPHALT PAVING - WOODBURN ROAD
NO SCALE
*NOTE: THIS IS A MIN. PAVEMENT DESIGN.
ASPHALT PAVEMENT SECTION SHALL MATCH
THE EXISTING PAVEMENT SECTION.
2'" SM-9.5
SURFACE COURSE
1" BINDER
INTERMEDIATE COURSE
BACOMPOACTESE E\
SUBGRADE
ASPHALT PAVING - ALLEYWAY
NO SCALE
(VARIABLE WIDTH)
NOTE: CONCRETE SHALL
BE 3000 PSI AT 28
4" CONC. DAYS OR STRONGER.
VVAAj�/jV A °
4" 21-A STONE BASE
CONCRETE SIDEWALK
NO SCALE
Invert Line
BIT +{
R 1 fl 3 in 21n 18in -
I
R1ft61n
12
--1 -
Builders Option: ARe maybe concrete.
Bottom of Curb may fallow slope of
sub -base a minimum dep
provided
of 7 inches is maintained.
180in I 2110in
Rolltop Curb
U
O
W
Slope break far
drainage, if req d.
$ R- 2 Feel
� U
o a Back of Curb o
o � o
O N
0
NB
Joint
Jdnl
IT
Mainline Edge of Pavement
Driveway Entrance Warp Transition Roll lop curb
Port Pion of EntEonce Transition
FIGURE 7 - ROLL TOP CURB ENTRANCE DETAIL
RDGDW Return
Warp rb profile to m0tch
Orivpwm antrpnce oIPQraee
wi(I,in 4 leel eOCh aidW Ol Opr0r1
- Cu
above invert line.
AivWwpy Enlronce Apron for R011tOp Curb
Part Section A
FIGURE 8 ROLLTOP CURB ENTRANCE DETAIL SECTION
RWSA GENERAL WATER & SANITARY SEWER NOTES (APRIL 2016)
1. ALL MATERIALS AND METHODS OF CONSTRUCTION SHALL COMPLY WITH THE
LATEST VERSION OF THE GENERAL WATER AND SEWER DESIGN AND
CONSTRUCTION STANDARDS - VERSION 1.0, ADOPTED IN DECEMBER 2015,
EXCEPT AS MODIFIED BELOW OR MODIFIED IN SPECIAL NOTES.
2. RWSA SHALL APPROVE ALL CONSTRUCTION MATERIALS AND METHODS OF
CONSTRUCTION. A PRECONSTRUCTION CONFERENCE SHALL BE HELD WITH
RWSA PRIOR TO THE START OF ANY WORK.
3. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING MISS UTILITY
(1-800-552-7001).
4. RWSA ENGINEER (VICTORIA FORT AT (434) 977-2970 EXT. 205) SHALL BE NOTIFIED
THREE BUSINESS DAYS PRIOR TO THE START OF CONSTRUCTION.
5. ALL WORK IS SUBJECT TO INSPECTION BY RWSA STAFF. NO TIE-INS TO THE
EXISTING SYSTEM SHALL BE MADE WITHOUT COORDINATION WITH AND THE
PRESENCE OF RWSA STAFF. NO WORK SHALL BE CONDUCTED ON RWSA
FACILITIES ON WEEKENDS OR HOLIDAYS WITHOUT SPECIAL WRITTEN
PERMISSION FROM RWSA.
6. FOR SANITARY SEWER LINE CONSTRUCTION: RWSA MAY REQUIRE BYPASS
PUMPING FOR TIE-INS TO THE EXISTING SYSTEM. ALL DOGHOUSE MANHOLES
MUST BE PRESSURE -TESTED BEFORE A CONNECTION IS MADE TO THE SYSTEM.
7. THE LOCATION OF EXISTING UTILITIES AS SHOWN ON THE PLANS IS FROM DATA
AVAILABLE AT THE TIME OF DESIGN AND IS NOT NECESSARILY COMPLETE OR
ACCURATE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE VERIFICATION
OF THE LOCATION, SIZE AND DEPTH OF ALL EXISTING UTILITIES, BOTH SURFACE
AND SUBSURFACE. THE CONTRACTOR SHALL IMMEDIATELY NOTIFY THE
ENGINEER OF ANY DISCREPANCIES BETWEEN THE PLANS AND FIELD
CONDITIONS. THE CONTRACTOR SHALL USE DUE DILIGENCE TO PROTECT ALL
UTILITIES AND STRUCTURES FROM DAMAGE AT ALL TIMES, WHETHER SHOWN ON
THE PLANS OR NOT. DAMAGE TO ANY EXISTING UTILITIES SHALL BE REPAIRED
BY THE CONTRACTOR TO THE ORIGINAL CONDITION AT NO ADDITIONAL COST TO
THE OWNER.
8. EROSION AND SEDIMENT CONTROL FACILITIES SHALL NOT BE PERMITTED IN THE
RWSA EASEMENT WITHOUT SPECIAL WRITTEN PERMISSION FROM RWSA. NO
GRADING SHALL BE PERMITTED IN THE RWSA EASEMENT UNLESS PERMITTED
OTHERWISE BY RWSA IN WRITING.
9. NO BLASTING SHALL BE PERMITTED WITHIN 100 FEET OF RWSA FACILITIES
WITHOUT WRITTEN PERMISSION AND RWSA APPROVAL OF THE BLASTING PLAN.
GROUND MONITORING DURING BLASTING AND A PRE -BLAST SURVEY MAY BE
REQUIRED. FOR BLASTING WITHIN 100 FEET OF ANY OPERATIVE RWSA
SEWERLINES, BYPASS PUMPING AND/OR PRE- AND POST -CCTV MAY BE
REQUIRED. RWSA MAY ALSO REQUIRE CERTIFICATION FROM A LICENSED
PROFESSIONAL ENGINEER STATING THAT THE PROPOSED BLASTING WILL NOT
DAMAGE ANY RWSA FACILITIES. DAMAGE TO ANY UTILITIES DUE TO BLASTING
SHALL BE REPAIRED BY THE CONTRACTOR TO THE ORIGINAL CONDITION AT NO
ADDITIONAL COST TO THE OWNER.
10. THE CONTRACTOR SHALL OBSERVE MINIMUM SEPARATION REQUIREMENTS FOR
UTILITY CROSSINGS. WHEN A CROSSING IS MADE UNDER AN EXISTING FACILITY,
ADEQUATE STRUCTURAL SUPPORT SHALL BE PROVIDED FOR THE EXISTING
PIPE. THE AREA OF THE CROSSING SHALL BE BACKFILLED WITH COMPACTED 57
STONE TO THE SPRINGLINE OF THE EXISTING PIPE.
11. NEW WATER MAIN INSTALLATIONS SHALL BE PRESSURE TREATED,
CHLORINATED, FLUSHED AND HAVE WATER SAMPLES APPROVED PRIOR TO
MAKING ANY PERMANENT CONNECTION TO THE PUBLIC WATER SYSTEM.
APPROVED METHODS OF FILLING AND FLUSHING NEW WATER MAINS WILL BE
REQUIRED TO PREVENT ANY CONTAMINATION OF THE PUBLIC WATER SYSTEM.
12. ALL EASEMENTS FOR NEW RWSA FACILITIES SHALL BE RECORDED PRIOR TO
PLACING THE NEW FACILITIES INTO SERVICE.
13. NO PERMANENT STRUCTURAL FACILITIES WILL BE PERMITTED IN THE RWSA
EASEMENT. THIS INCLUDES BUILDING OVERHANGS, RETAINING WALLS, FOOTERS
FOR ANY STRUCTURE, DRAINAGE STRUCTURES, ETC.
14. TREES ARE NOT PERMITTED IN THE RWSA EASEMENT.
CG-B
NOTES:
t THIS ITEM MAY BE PRECAST OR CAST IN PLACE.
2. CONCRETE TO BE CUSS AS F CAST N PLACE.
4000 PS F PRECAST.
3. COMBINATION CUB M W70 HAVING A RANUS
Li wo ro" M Ifs (ALONG FACE OF CURB)
SHALL BE PAL mN AS RADML COIBM VM
CURB M OMER.
4. FOR USE WITH ST/RUZED GPEN-GRADED DRMNADE
LAYER, THE BOTTOM OF THE CURB L GMER
SHN' BE CONSTRUCTED PANNLEL TO THE SLOPE
OF SUBBASE COURSES ND TO TIE DEPTH W
THE PAVEIOIT.
5. NLOWABLE CRDERA FOR THE USE OF CO-6
IS BASED ON ROADWAY CLASSIFICATION AND
DESIGN ASIN APPENDIX A
R THE ROAD SPEEDDESIGNSHOWN MNLN INTHE SECTION
ON GO URBAN STANDARDS.
• D
• rJr
---__-_-__�-
A
BE W THE CONCRETE ACTOR
" COMBINATION 6" CURB AND GUTTER ROAD AND BROOE STANDMOS
105 ELUSION DATE SHEET 11 OF 1
5Gz VIRGINIA DrsARTNENr OF rRAvsroRrArloH
zDm
NOTES:
1. THIS TOM MY BE PRECAST OR CAST IN PDADE
2 CONCRETE TO BE CLASS AT F CAST IN PLACE.
4000 PSI F PRECAST.
3. CUM HAVING A RAMM OF 300 FEET ON LESS
(ALONG FACE OF CURB) WILL BE PAID FOR AS
RAOM CURB.
4. THE DEPTH OF CURB MY BE REDUCED AS MUCH
AS J' 'W'DEPTH) OR INCREASED AS MUCH AS
Y' on" DEPTNI IN ORDER THAT THE BOTTOM
OF CURB WILL COINCIDE WITH THE TOP OF A
COURSE OF THE PAVEMENT ALSTMUCTINE.
OTHERWSE TIE OEPIH S TO BE 1B" K SILWN
NO ADDSf1ENi N THE PRXE ®IS TOW ACNE
FOR A DECREASE OR AN INCREASE N DEPTH.
S, CG-R IS TO E USED ON ROADWAYS MEETING
THE EOIWEMEMB FOR CGHI AS SHOWN N
/RFILIX A OF THE VOOT ROAD DESIGN MADN.
N THE SECTION ON GS URBAN STNLNdS.
ACCEPTABLE ALTERNATIVE
IF CURB IS EXTRUDED
ERENCE STANDARD 6" CURB
W5
soz WRaan DEPARrAENr OF rRANSPDNrA,noN
ROAD A'L BRIDGE STANDARDS
SCOTT/R. 'SLLINS5�
I�
No. 35791
04/05/21
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AS SHOWN
5
PRE -DEVELOPMENT SWM PLAN: \
SCALE i"=50' NOTE:. \
I1 I
ROOFS WILL DRAIN INTO
.. DOWNSPOUTS WHICH WILL TIE
INTO THE CORRESPONDINGYARD
LINES BEHIND THE LOTS I
, I
THE BOUNDARY FOR THE \ 00 00 \ THE BOUNDARY FOR THE
PROPOSED LIMITS OF ' PROPOSED LIMITS OF \,
DISTURBANCE (5.04 ac.) IS DISTURBANCE (5.04 ac.) IS _ ---
USED TO DEFINE THE ' USED TO DEFINE THE
BOUNDARY FOR THE VRRM BOUNDARY FOR THE VRRM -
WATER QUALITY WATER QUALITY _
CALCULATIONS, TYP. ' CALCULATIONS, TYP. --
I
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\ BAREA B
N=57 —
Tc=0.23 hrs.
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403 OF CONC. FLOW w/ A ELEV.=44'
"J---- -- _
-- _ Tc=0.10 hrs. 1_ ---- --
— -
1 �. -- - 26' OF OLF w/ A ELEV.=0.5' i.� I --
- 149 OF CONC. FLOW W/ A ELEV.=2.5' I
843' CHANNEL FLOW IN PIPES ®10 ft/s I I I III � :..
I
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4.36 ac.
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SUBJECT suBAREA -- SUBJECT
PROPERTY, i CN° 0' / \ PROPERTY,
TYP. Tc=0.2 hrs. r /. _ , TYP. �Iud
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WATERSHED SUMMARY
Pre -Development Impervious Area Summary
Pre -Development Impervious Area Summary
Subarea B, Water Quantity
LOD, Water Quality
Building/Structure
0 sf
Building/Structure
0 sf
Sidewalks/Concrete
0 sf
Sidewalks/Concrete
0 sf
Roads/Driveways
2,491 sf
Roads/Driveways
4,230 sf
2,491 sf
4,230 sf
Area,
1-year Flow,
2-year Flow,
10-year Flow,
CN
ac.
cfs
cfs
cfs
DAA(Pre-Dev)
57
4.36
0.58
1.57
6.52
Area,
1-year Flow,
2-year Flow,
10-year Flow,
CN
ac.
cfs
cfs
cfs
DA A (Post-Dev)
83
4.36
0.07
1.52
6.49
POST -DEVELOPMENT SWIM PLAN: PROPOSED STORMWATER MANAGEMENT NARRATIVE FOR THE PROJECT:
SCALE 1"=50' OVERVTHE PROPOSED STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IIB
/ REQUIREMENTS TO MITIGATE IMPACTS FROM THE PROPOSED IMPROVEMENTS.
SUMMARIES OF THIS COMPLIANCE CAN BE VIEWED IN THIS VSMP SET AND IN THE
ACCOMPANYING STORMWATER MANAGEMENT CALCULATIONS PACKET.
` STORMWATER QUANTITY:
CURRENTLY ALL OF THE EXISTING IMPERVIOUS AND PERVIOUS AREAS WITHIN THE
\ PROJECT LIMITS EXIT THE PROPERTY UNTREATED. THE PROPOSED PLAN WILL
CHANGE THIS AND WILL CAPTURE THE MAJORITY OF THE PROPOSED
IMPROVEMENTS. THE CAPTURE AND DETENTION OF THE MAJORITY OF THESE
\ IMPROVEMENTS 15 REPRESENTED BY POST -DEVELOPMENT SUBAREA A, WHERE AN
\ UNDERGROUND DETENTION SYSTEM ATTENUATES THE RUNOFF. CHANNEL
PROTECTION IS MET VIA 9VAC25-870-66 SECTION B.3.a. FLOOD PROTECTION IS
MET VIA 9VAC25-870-66 SECTION C.2.b.
\�I
\\ PLEASE SEETHE ATTACHED STORMWATER MANAGEMENT CALCULATIONS PACKET
FORADDITIONAL DETAILS PERTAININGTOTHE STORMWATER QUANTITY
IY:R�1 COMPLIANCE.
\ \ STORMWATER QUALITY:
\ THE STORMWATER QUALITY REQUIREMENTS FOR THIS DEVELOPMENT ARE MET
THROUGH THE BEST MANAGEMENT PRACTICE OF PURCHASING NUTRIENT
CREDITS. A MINIMUM PHOSPHOROUS REMOVAL RATE OF 4.97 Ibs/yr IS
REQUIRED. THE DEVELOPER WILL PURCHASE NUTRIENT CREDITS PRIOR TO THE
V\ \ ISSUANCE OF A LAND DISTURBANCE PERMIT.
I PLEASE SEE THE ATTACHED CALCULATIONS PACKET AND THIS SHEET FOR
ADDITIONAL DETAILS.
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General Construction notes for Stormwater
t` Management Plans
CFI , 2O 1. All dams and constructed fill to be within 95% of
maximum dry density and 2% of optimum moisture
content. All fill material to be approved by a
<0 - geotechnical engineer. A geotechnical engineer is to
O be present during construction of dams.
2. Pipe and riser joints are to be watertight within
stormwater Management facilities.
Post -Development Impervious Area Summary
Post -Development Impervious Area Summary
3. For temporary sediment traps or basins which are
Subarea A, Water Quantity
LOD, WaterQuality
to be converted to permanent stormwatermanagement facilities; conversion is not to take
Building/Structure
62,398
Building
62,398 sf
place until the site is stabilized, and permission has
Sidewalks/Concrete
Isf
9,133
Sidewalks & Concrete
9,133 sf
been obtained from the erosion control inspector.
Roads/Driveways
52,649
Parking Areas/Road
48,983 sf
124,180 sf
120,514 sf
Subarea B, Water Quantity
CHANNEL &FLOOD PROTECTION SUMMARY
Building/Structure 0sf GRAPHIC SCALE
Sidewalks/Concrete 0 sf 50 0 25 so 100 zoo Method of 9VAC25-870-66
Roads/Driveways 4,372 sf I I I I I Pre-Dev. Post-Dev. Method of 9VAC25-870-66 Method of 9VAC25-870-66 Method of 9VAC25-870-66
4,372 sfmwillilillillI Limits of Analysis for Channel Subarea Subarea Channel Protection Compliance Flood Protection Compliance Limits of Analysis for Flood Protection
( IN FEET )
I inch = 50 ft..
Protection
A & B I A ISection B.3.a (Energy Balance) N/A (Energy Balance Satisified) ISection C.2.b (10-yr. Post Flow <Pre Flow) N/A (10-yr. Post Flow < Pre Flow Satisified)
C
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SCALE
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SHEET NO.
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