HomeMy WebLinkAboutSDP201700033 Plan - Approved Final Site Plan and Comps. 2017-11-01GENERAL NOTES
ONVERIAPPLICANT- 06100-00-00-16500
DUNLORA INVESTMENTS, LLC
455 SECOND ST SE, SUITE 400
CHARLOTTESVILLE, VA 22902
ENGINEER.- COLLINS ENGINEERING
200 GARRETT ST, SUITE K
CHARLOTTESVILLE, VA 22902
(434)293-3719
SURVEYOR. CARDINAL SURVEY
TAX MAP PARCEL: 06100-00-00-16500 (DB .4657 PG 413)
TOTAL PROJECT AREA: 8.62 ACRES TOTAL.
ZONING. R-4 RESIDENTIAL (BY—RIGHT) — NO PROFFERS
AIRPORT IMPACT AREA (AIA)
PROPOSED USE.• 16 SINGLE FAMILY ATTACHED UNITS AND
12 SINGLE FAMILY DETACHED UNITS
REQUIRED DENSITY. • 4 DWELLING UNITS PER ACRE
PROPOSED DENSITY- 28 DU/8.62 AC = J.24 UNfT51.AC
STANDARD LEVEL CLUSTER DEVELOPMENT — NO MINIMUM LOT SIZE. REQUIRED TO
MAINTAIN 259 OPEN SPACE AS SPECIFIED IN SECTION 2.2.3 AND SECTION 4.7 OF THE
ZONING ORDINANCE.
OPEN SPACE: REQ 2.16 AC OF TOTAL DEVELOPMENT AREA (8.62 x 257.); AND
207 OF THE REQUIRED OPEN SPACE SHALL BE OUTSIDE OF
CRITICAL SLOPES AND THE SWM FACILITY
ITY
(2.16 AC x 0.2 = 0. 4.3 ACRES MIN.)
PROV- 336 AC TOTAL OPEN SPACE PROVIDED (397.)
1.63 AC PROWDED OUTSIDE OF CRI77CAL SLOPES AND THE
Sffld FACILITY (497 OF 77 -IE REQUIRED OPEN SPACE)
THE OPEN SPACE WL.L BE DEDICATED TO THE HOA.
BUILDING HEIGHTS.• MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET
SETBACKS. FRONT 5' MIN AND 25' MAX
SIDE: 10' BUILDING SEPARATION
REAR, 20' MIN AND NO MAX
SITE AMENITIES, 2.16 ACRES OPEN SPACE (PASSIVE RECREATION AREA)
ALL OPEN SPACE SHALL BE DEDICATED TO THE HOA.
SUBDIVISION STREETS- CURB & GUTTER (PARKING ON ONE SIDE ONLY)
WA 7ERSHED: THIS PARCEL IS NOT IN A WATER SUPPLY PROTECTED AREA — SITE
DRAINS TO MEADOW CREEK (UPPER RIVANNA WATERSHED)
AGRICULTURAL/ FORESTAL DISTRICT. NONE
TOPO & SURVEY- TOPOGRAPHY & BOUNDARY INFORMATION PROVIDED ON—GROUND BY CARDINAL
SURVEY IN SEPTEMBER 2016, AND FROM DEEDS AND PLANS OF RECORD. SLOPES
HAVE BEEN DETERMINED LESS THAN 257. WHERE INDICATED PER NEW TOPOGRAPHIC
SURVEY AND SLOPES EXHIBIT PROVIDED BY ROUDABUSH, GALE, AND ASSOCIATES
DATED MAY 18, 2017, AS PERMITTED UNDER SE077ON 30.74(b)(h).
DA TUM. NAD 83
EXISTING VEGETA 770N. PARTIALLY WOODED WITH EXISTING RESIDENCE STRUCTURES
CRITICAL SLOPES: MANAGED AND PRESERVED STEEP SLOPES ARE SHOWN AND LABELED. PRESERVED
SLOPES HAVE BEEN FIELD SURVEYED AND UPDATED PER EXHIBIT PROVIDED BY
ROUDABUSH, GALE, AND ASSOCIATES DA TED MAY 18, 2017, AS PERMITTED UNDER
SEC77ON JO Z4(b)(h). THE FIELD SURVEYED AREAS THAT ARE NOT PRESERVED SLOPES
SHALL BE TREATED AS MANAGED SLOPE AREAS.
LIGHTING: NO LIGHTING IS PROPOSED
PHASING.- THE IMPROVEMENTS PROPOSED HEREIN ARE PHASE I OF DEVELOPMENT A FUTURE
PHASE // PLAN IS CURRENTLY UNDER REVIEW
U 77L/ TIES. PUBLIC WATER AND SEWER
FIRE & RESCUE: AS REQUIRED, ALL FIRE FLOWS WITHIN THE DEVELOPMENT SHALL BE A MINIMUM OF
1000 GPM AT 20 PSI. ADDITIONALLY, FIRE HYDRANTS SHALL BE PROVIDED ALONG
THE ROADWAYS FOR FIRE PREVENRON AT A MAXIMUM SPACING OF 500 FT PER
IRA VEL WA Y.
RECREATION: NOT APPLICABLE/NOT REQUIRED
PARKING.• 2 OFF -STREET PARKING SPACES SHALL BE PROVIDED FOR EACH DWELLING UNIT + 4
ON—STREET GUEST SPACES (kflhg FOR THE ATTACHED UNITS. 8 ON—STREET GUEST
SPACES SHALL BE LOCATED ALONG THE ROADWAYS WHERE MARKED.
BUILDING SITE'S: PARCELS 1-28 MAY NOT BE FURTHER DIVIDED. ONLY (1) DWELLING UNIT PER LOT
SHALL BE ALLOWED.
BURIAL SITES.• NONE
STREAM .BUFFERS/FLOODPLAIN: THERE IS A PORTION OFA WPO SIRE AM BUFFER LOCATED AT THE SOUTHEAST
CORNER OF THE SITE. THERE IS NO 100—YEAR FLOODPLAIN LIMITS ON THE SUBJECT
PARCEL, PER FEMA MAP 51003(,'0229D; FEBRUARY 4, 2005.
OFFSITE DISTURBANCE.- NO OFFSITE DISTURBANCE IS PROPOSED WITH THIS PLAN, EXCEPT FOR THE 77E—IN
CONNEC77ON TO THE SANITARY SEWER WITHIN EXISTING UTILITY EASEMENT
LANDSCAPING. ALL PROPOSED ROADWAYS SHALL HAVE STREET TREES IN ACCORDANCE WITH
ALBEMARLE COUNTY REQUIREMENTS, PER SEC77ON 32.7.9 OF' THE ZONING ORDINANCE.
RETAINING WALLS. THREE SEGMENTAL RETAINING WALLS ARE PROPOSED. SAFETY RAILS ALONG ALL
RETAINING WALLS GREATER THAN 2.5 FEET IN HEIGHT ARE PROPOSED.
SIGNAGE. NO SIGNAGE CURREA17LY PROPOSED.
TRASH COLLECTION: TRASH RECEPTACLES SHALL BE' MAINTAINED ON EACH INDIVIDUAL LOT ALL TRASH
SHALL BE COLLECTED BY A DRIVING DUMPSTER SERVICE. TRASH RECEPTACLES SHALL
BE STORED WITHIN THE VILLA GARAGES AND BROUGHT OUT TO THE CURB ONCE A
WEEK FOR TRASH PICKUP
DAM INUNDATION: THIS SITE IS NOT WITHIN A DAM INUNDATION ZONE.
S TORM WA TER MA NA GEMEN T• STORMW47ER WILL BE CONVEYED TO A LEVEL // 810FILTER WITH DOWNS7REAM
DETENTION BASIN. SEE SWM PLAN FOR DETAILS.
IMPERVIOUS AREAS. SEE SWM PLAN
LAND AREAS.
OPEN SPA CE: 3.36 AC, (,T97.)
LOTS 4.07 AC (477.)
ROW DEDICA TION. 1.19 AC. (147.)
TRAFFIC GENERA 770N.• TRIP GENERA TION BASED ON ITE GENERA TION MANUAL (877-1 EDI TION)
28 SINGLE FAMILY UNITS (CODE 210)
268 VPD (134 ENTER1134 EXIT)
AM PEAK.• 21 (5 ENTER/16 EXIT)
PM PEAK: 28 (18 ENTER/10 EXIT)
LEFT/RIGHT LANE TURN WARRANT ANAL YSIS:
DUNLORA ADT = 2300 ADT
VPH = 2300 / 12 hrs X 2 = 400 VPH (WORST CASE)
NOTE- THE LOCA77ON OF THIS ENTRANCE IS BETWEEN (2) ENTRANCES INTO DUNLORA, ONE ENTRANCE
FROM RIO ROAD/PARK S7REET, AND THE ODLIER ENTRANCE FROM RIO ROAD/JOHN WARNER PARKWAY
WITH THE (2) ENTRANCES SPLITTING THE APPROACHING TRAFFIC AND TRAFFIC LEAVING DUNLORA, THE
VPH WILL ALSO BE LESS AT THIS EN7RANCE LOCATION.
RIGHT TURN WARRANT PEAK PM IS THE HIGHEST TRIP PER HOUR WITH 21 ENTERING THE SITE BASED
ON THE CHART IN THE VDOT MANUAL ON PAGE F-96, 21 CARS AN HOUR ENTETYNG THE S17E NTH AN
APPROACHING TRAFFIC VOLUME OF 400 VPH DOES NOT WARRANT A RIGHT TURN LANE OR FULL TAPER.
A 4.1 TAPER INTO THE DEVELOPMENT HAS BEEN PROVIDED.
LEFT TURN WARRANT BASED ON THE CHART IN THE V9OT MANUAL ON PAGE F-78, A VOLUME OF 400
VPH ADVANCING VOLUME AND 400 VPH OPPOSING VOLUME DOES NOT WARRANT A LEFT TURN LANE.
THESE VPH VOLUMES ARE A WORST CASE SCENARIO AND DO NOT TRIGGER THE ,REQUIREMENTS FOR A
LEFT TURN LANE.
NOTE. EACH LOT AS SHOWN HEREIN SHALL CONTAIN A BUILDING SITE WHICH MEETS THE REQUIREMENTS OF
SEC77ON 4.2.2(6)1 (18-520)
CITY OF CHARLOTTESVILLE
PARCEL: 61-169
(D.B. 4622, PG. 523)
R-4 ROADWAY & VACANT LAND
WETSEL, THOMAS D LIFE ESTATE
PARCEL: 61-167
(D.B. 1688, PG. 564)
R-4 RESIDENTIAL
WETSEL, THOMAS D & CLARENCE
PARCEL:- 61-167C
(D.B. 1681, PG. 174)
R-4 RESIDENTIAL
S9
9
DUNLORA ARK
FINAL SITE PLAN
i U:&Afli
61, rolURMAIR&Iff xffffla���41 4001;391A,� � ffi�
N/F
CLUB DUNLORA, LLC.
PARCEL: 62F -A1
(D.B. 3574, PG. 668)
R-4 RECREATIONAL CLUB
EXISTING
PROPERTY LINE
SCHWARTZMAN, JOEL & ZIVA
PARCEL- 62F-15
(D.B. 4679, PG. 643)
R-4 RESIDENCE
(/X
k�
LOT ts
.4 LOT 7
2 50',SF6.
. .... . 40' SFD1 8,143 SF
1881 SF
i . . I / / ' / / MCPHERSON, MICHAEL OR CAROLYN
4,P)TV
PARCEL 62F-14
(D.B. 3220, PG. 313)
\V
P-4 PFqinFmrF
DUNLORA % INVESTMENTS, LLC
455 SECOND STREET SE, SUITE 400
CHARLOTTESVILLE, VA 22902
N /F
VAH IAW H. ROGERS JR. &
SHAIRYON L ROGERS
PAIRCEU 61-165B
(D.B. 526, PG. 432)
R-4 RESIDENCE
SCALE: I"=60'
CROSS, WHITMAN OR JOY LEVICK
PARCEL: 62F-13
(D.B. 1752, PG. 455)
R-4 RESIDENCE
0
7-7 ------------
::DUr
N/F
WILLIAM L. SIBI EY
PARCEL: 61-165A
(D.B. 1240, PG. 580)
R-4 RESIDENCE
IEVIN, JULIUS OR ETTA
PARCEL: 6217-12
(D.B. 4060, PG. 598)
R-4 RESIDENCE
RICHARDSON, DAVID OR VICTORIA
PARCEL. 62F-11
(D.B. 4424, PG. 509)
R-4 RESIDENCE
COLLINS ENGINEERING
200 GARRETT STREET, SUITE K
CHARLOTTESVILLE, VA 22902
PANGS, STEVE OR JOANNE
PARCEL. 62F-10
(D.81. 1679, PG. 341)
R-4 RESIDENCE
G
WILLIFORD, JASON
OR KWAMINA
PARCEL:- 62F-9
(D.B. 3779, PG. 329)
RESIDENCE
R-4
TK1 os_, Dh VID
REGINA-
37A E L:
6,2F-8
WHEELER, THOMAS OR M
PARCEL: 62F-7
(D.B. 2101, PG. 463)
R-4 RESIDENCE
2
h 4, mi
Sheet Number
Sheet Title
1
COVER
2
EXISTING APPROVED CONDITIONS
3
LAYOUT AND LANDSCAPING PLAN
4
GRADING & UTILITY PLAN
5
ROAD & WATERLINE PROFILES
6
SANITARY PROFILES
7
SANITARY PROFILES
8
—DRAINAGE PROFILES
CLEARING LIM17S
CURB & GUTTER
0
SCALE
WOT STANDARD STOP SIGN
PROPOSED PAVEMENT
-200-
EXIS77NG CONTOUR
PROPOSED PERM PAVERS
cn
PROPOSED CONTOUR
EC—JA DITCH
LU
o
240.55
PROPOSED SPOT ELEVA 77ON
0
DEPTH OF £C -3A DITCH
I -,—
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F-
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(A
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LLJ
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VICINITY
MAP
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SCALE: 1"
500'
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Sheet List Table
Sheet Number
Sheet Title
1
COVER
2
EXISTING APPROVED CONDITIONS
3
LAYOUT AND LANDSCAPING PLAN
4
GRADING & UTILITY PLAN
5
ROAD & WATERLINE PROFILES
6
SANITARY PROFILES
7
SANITARY PROFILES
8
—DRAINAGE PROFILES
8 TOTAL NUMBER OF SHEETS
ROAD
LWEND
EXIS77NG CULVERT
DEPARTMENT OF C0M1\IITJNjTYDVM0V- T
EARTH DITCH
-17
ENGINEER
CULVERT
INSPECTIONS
DRIVEWAY CULVERT
ARB
DROP INLET ec S77?UC77JRE NO.
DEPARTMENT OF FIRE RESCUE
BENCH MARK
ALBEMARLE COUNTY SERVICE AUTHQRITY.�,4&
VIRGINIA DEPARMENT OF TRANSPORTATION&Jl
D
0
+
U)
CURB
CLEARING LIM17S
CURB & GUTTER
0
SCALE
WOT STANDARD STOP SIGN
PROPOSED PAVEMENT
-200-
EXIS77NG CONTOUR
PROPOSED PERM PAVERS
PROPOSED CONTOUR
EC—JA DITCH
240.55
PROPOSED SPOT ELEVA 77ON
6.
DEPTH OF £C -3A DITCH
I -,—
APPROVALS,,
DATE
DEPARTMENT OF C0M1\IITJNjTYDVM0V- T
PLANNER/ZONING
-17
ENGINEER
7
INSPECTIONS
ARB
Ill
DEPARTMENT OF FIRE RESCUE
0
ALBEMARLE COUNTY SERVICE AUTHQRITY.�,4&
VIRGINIA DEPARMENT OF TRANSPORTATION&Jl
D
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_ NOTES:COUNTY
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XISTING ROADSIDE DITCH PROPERTY LINE (TYP.) 1. ANY SLOPES STEEPER THAN 3:1 MUST HAVE LOW MAINTENANCE GROUNDCOVER (NOT ASS). ALBEMARLE COUlY Q�
Q g -
GENERAL CONSTRUCTION NOTES
2. ALL WATER AND SEWER FACILITIES ARE TO BE DEDICATED TO PUBLIC USE AND THE EASE ENTS
FOR THOSE FACILITIES SHALL BE DEDICATED TO THE ALBEMARLE COUNTY SERVICE RUTH RITY,�
7. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT-OF-WAY, INCLUDING R S
'
STA: 18+30-30
CONNECTION TO ANY EXISTING ROAD,
PERMIT SHALL BE OBTAINED FROM THE UlR INIA
RIM- 467.800
`•. DEPARTMENT OF TRANSPORTATION (VDOT THIS PLAN AS DRAWN MAY NOT ACCURATELY SCOTT R. COLLINS
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CHso - MH 1A
VERTICAL SCALE
5 0 2.5 5 10 20
( IN FEET )
1 inch = 5 ft.
HORIZONTAL SCALE
50 0 25 50 100 200
( IN FEET )
1 inch = 50 ft.
SCOTT "R. COLLINS'Z
Lic. No. 035791,'
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ALL STORM PIPE SHALL BE CLASS 111 RCP UNLESS NOTED
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MUST BE PROVIDED.
2.
ALL ROADWAY EMBANKMENT MATERIAL .SHALL CONSIST
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UNIFORM LAYERS NOT MORE THAN 8 INCHES IN
JOB NO.
THICKNESS BEFORE COMPA C TION OVER THE ENTIRE
122071 .20
ROADBED AREA IN ACCORDANCE WITH VDOT 2007 ROAD
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AND BRIDGE SPECIFICATION 303.04.
J.
ALL FILL MUST MEET 95% COMPACTION.
4.
MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER
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SANITARY SEWER MAINS.
5.
MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER W/L
0
Q
MAINS.
6.
MINIMUM I' OF VERTICAL SEPARATION FROM STORM
SEWER & W/L AND 1.5' OF SEPARATION BETWEEN W/L &
SANITARY SEWER MUST BE PROVIDED.
7.
VDOT STD. IS -1 INLET SHAPING REQUIRED ON ALL STORM
3
STRUCTURES.
8.
VDOT STD SL -1 SAFETY SLAB REQUIRED WHERE DROP
�J')�
GREATER THAN 12' (NO SL -1 ON SANITARY MHS).
9.
THE DUCTILE IRON WATERLINES SHALL BE WRAPPED IN
POLYETHYLENE ENCASEMENT IF NEEDED BASED ON SOIL
O
CONDITIONS, WHICH WILL BE TESTED AND INSPECTED
-�
DURING THE CONSTRUCTION PROCESS.
10.
HDPE PIPE SHALL BE INSTALLED AND BACKFILLED IN
ACCORDANCE WITH VDOT STANDARDS AND REQUIREMENTS.
CONTRACTOR SHALL USE STONE BACKFILL MATERIAL AS
U)
REQUIRED AND SHALL INSTALL AND BACKFILL THE PIPES
-j
TO ENSURE PROPER COMPACTION AROUND THE PIPES
0
AND PREVENT CRUSHING OR DEFORMING THE STORM
PIPES DURING CONSTRUCTION.
11.
THE CONTRACTOR SHALL CLEAN AND VIDEO CAMERA ALL
v
PIPES AFTER CONSTRUCTION IS COMPLETE, AND PROVIDE
LO
THESE VIDEOS TO THE OWNER AND ENGINEER FOR
CER TIFI CA TION.
I
VERTICAL SCALE
5 0 2.5 5 10 20
( IN FEET )
1 inch = 5 ft.
HORIZONTAL SCALE
50 0 25 50 100 200
( IN FEET )
1 inch = 50 ft.
SCOTT "R. COLLINS'Z
Lic. No. 035791,'
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STR:10 DI --38; L=8' STR:12 DI -38; L=12'
STA. 15+06.62 STA. 15+39.68
TP=458.65 TP=458.65
INV IN: 451.30 TO 12 INV OUT: 451.73 TO 10
w w d� <fl N a cp 00
LQ
Wil
9+50 10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15+5015+75
STR:14 DI -38; L=8' _STFl,:16 DI -38; L=12'
STA. 10+59x28 STA. 10+92.35
TP=457.45 4TP==457.54
46' INV IN: 450.42 TO 'i6_ _._INV OUT: 450.83 TO 14
INV OUT: 450.32 TO 8
ILL
STR:8 DI -38; L=8'_
STA. 10+00.00
TP=456.13455
INV IN: 450.00 TO 10-
INV IN: 449.00 TO 14 L
INV OUT: 445.00 TO 6
6,1 WAT
1.26' - STM
450- s Rei 1 15" HDPE 33.07 LF
- ------- __-- - _- ____-. 1.247.
1
445- - 15" HDPE 59.28 LF 445
------------------ - 2.23%
i
440 c 440
w w 0 tC3
0 LD d�
10+00 10+50 11+0011+25
STR 7. - STR 8
STR12 - OUT ii
I
DUNLORA ENTRANCE CULVERT
15+00 15+50 16+00 16+5016+75
DUNLORA DITCH PROFILE - NORTH OF CULVER
470
NO
' I
1.
!
470
OTHERWISE, A MINIMUM OF 2' COVER OVER STORM PIPES
MUST BE PROVIDED.
j
ALL ROADWAY EMBANKMENT MATERIAL SHALL CONSIST
PREDOMINANTLY OF SOIL AND BE PLACED IN SUCCESSIVE
465
- ---
I I
-- INV IN.
THICKNESS BEFORE COMPACTION OVER THE ENTIRE
-
465
i
l !
AND BRIDGE SPECIFICATION 303.04.
3.
463.70
21
4.
MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER
- --- ; -- - - - -
SANITARY SEWER MAINS.
INV OUT.
MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER W/L
-
- _- 1 -- --- ; - --- ------ i
l
15" HDPE
74.26 LF
MINIMUM 1' OF VERTICAL SEPARATION FROM STORM
463.25
SEWER & W/L AND 1.5' OF SEPARA TION BETWEEN W%L &
0 0,61%
j
SANITARY SEWER MUST BE PROVIDED.
7.
460
STRUCTURES.
8.
VDOT STD SL -1 SAFETY SLAB REQUIRED WHERE DROP
460
GREATER THAN 12' (NO SL -7 ON SANITARY MHS).
9.
THE DUCTILE IRON WATERLINES SHALL BE WRAPPED IN
1.34
UILVERT
POLYETHYLENE ENCASEMENT IF NEEDED BASED ON SOIL
CONDITIONS, WHICH WILL BE TESTED AND INSPECTED
458
10.
HDPE PIPE SHALL BE INSTALLED AND BACKFILLED IN
! _$' WIL
ACCORDANCE WITH VDOT STANDARDS AND REQUIREMENTS.
( 458
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REQUIRED AND SHALL INSTALL AND BACKFILL THE PIPES
TO ENSURE PROPER COMPACTION AROUND THE PIPES
0)
AND PREVENT CRUSHING OR DEFORMING THE STORM
PIPES DURING CONSTRUCTION.
11.
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PIPES AFTER CONSTRUCTION IS COMPLETE, AND PROVIDE
THESE VIDEOS TO THE OWNER AND ENGINEER FOR
CER TIFICA TION.
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DUNLORA ENTRANCE CULVERT
15+00 15+50 16+00 16+5016+75
DUNLORA DITCH PROFILE - NORTH OF CULVER
VERTICAL SCALE
5 0 25 5 10 20
( IN FEET )
1 inch = 5 ft.
HORIZONTAL SCALE
50 0 25 50 100 200
{ IN FEET )
1 inch = 50 ft.
NO
TES
1.
ALL STORM PIPE SHALL BE CLASS /// RCP UNLESS NOTED
440
OTHERWISE, A MINIMUM OF 2' COVER OVER STORM PIPES
MUST BE PROVIDED.
2.
ALL ROADWAY EMBANKMENT MATERIAL SHALL CONSIST
PREDOMINANTLY OF SOIL AND BE PLACED IN SUCCESSIVE
UNIFORM LAYERS NOT MORE THAN 8 INCHES IN
THICKNESS BEFORE COMPACTION OVER THE ENTIRE
ROADBED AREA IN ACCORDANCE WITH VDOT 2007 ROAD
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AND BRIDGE SPECIFICATION 303.04.
3.
ALL FILL MUST MEET 95% COMPACTION.
4.
MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER
- --- ; -- - - - -
SANITARY SEWER MAINS.
5.
MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER W/L
-
- _- 1 -- --- ; - --- ------ i
l
MAINS.
6.
MINIMUM 1' OF VERTICAL SEPARATION FROM STORM
SEWER & W/L AND 1.5' OF SEPARA TION BETWEEN W%L &
SANITARY SEWER MUST BE PROVIDED.
7.
VDOT STD. IS -1 INLET SHAPING REQUIRED ON ALL STORM
STRUCTURES.
8.
VDOT STD SL -1 SAFETY SLAB REQUIRED WHERE DROP
f ( f
f
GREATER THAN 12' (NO SL -7 ON SANITARY MHS).
9.
THE DUCTILE IRON WATERLINES SHALL BE WRAPPED IN
470
POLYETHYLENE ENCASEMENT IF NEEDED BASED ON SOIL
CONDITIONS, WHICH WILL BE TESTED AND INSPECTED
DURING THE CONSTRUCTION PROCESS.
10.
HDPE PIPE SHALL BE INSTALLED AND BACKFILLED IN
ACCORDANCE WITH VDOT STANDARDS AND REQUIREMENTS.
CONTRACTOR SHALL USE STONE BACKFILL MATERIAL AS
REQUIRED AND SHALL INSTALL AND BACKFILL THE PIPES
TO ENSURE PROPER COMPACTION AROUND THE PIPES
AND PREVENT CRUSHING OR DEFORMING THE STORM
PIPES DURING CONSTRUCTION.
11.
THE CONTRACTOR SHALL CLEAN AND VIDEO CAMERA ALL
PIPES AFTER CONSTRUCTION IS COMPLETE, AND PROVIDE
THESE VIDEOS TO THE OWNER AND ENGINEER FOR
CER TIFICA TION.
VERTICAL SCALE
5 0 25 5 10 20
( IN FEET )
1 inch = 5 ft.
HORIZONTAL SCALE
50 0 25 50 100 200
{ IN FEET )
1 inch = 50 ft.
RIO-DUNLORA DITCH PROFILE
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