HomeMy WebLinkAboutWPO202000026 Plan - Submittal (First) Erosion Control Plan 2020-06-03I,
SITE DATA
OWNER / DEVELOPER:
PROPERTYADDRESS:
PLAN PREPARER:
TAX MAP PARCEL No:
YANCEY,, CHARLES ERNEST
6557 DICK WOODS ROAD
CHARLOTTESVILLE VA, 22903
6557 DICK WOODS ROAD
CHARLOTTESVILLE VA, 22903
ROUDABUSH, GALE, & ASSOCIATES
914 MONTICELLO ROAD
CHARLOTTESVILLE, VA. 22902
(434)-977--0205
07WO-00-00-021BO
PROPOSED IMPERVIOUS AREA: 0.0 AC.
PROPOSED TURFAREA: O.OAC.
PROPOSED OPEN SPACE AREA: 4.424C (PASTURE)
MAGISTERIAL DISTRICT.SAMUEL MILLER
DRAINAGE DISTRICT.' MECHUMS RIVER - STOCKTON CREEK, HUC JR01
BOUNDARY: DB. 5131566
TOPOGRAPHY: ALBEMARLE COUNTY GIS (TAKEN MARCH 2O20)
CRITICAL SLOPES. CRITICAL SLOPES EXIST ON THIS SITE & ARE LOCATED
AS SHOWN.
FLOODPLAIN: THE SUBJECT PROPERTY IS IN FLOOD HAZARD ZONE X (AREA
OF MINIMAL FLOOD HAZARD
PROJECT DESCRIPTION. THE PURPOSE OF THIS PROJECT IS TO CREATE SAFER, MORE
USEABLE FARMLAND BY CREATING A MORE GENTLE GRADE
ACROSS A STEEP RAVINE. THE INTENT IS TO USE AVAILABLE
FILL DIRT AND TO RETURN THE LAND TO PRE-EXISTING
LANDCOVER INA POSTOEVELOPED CONDITION.
STORMWA TER MANAGEMENT. THE PROPOSED LAND DISTURBANCE IS
UNDERSTOODTO BE EXEMPT FROM THE VIRGINIA
STORMWA TER MANAGEMENT PLAN REQURRMENTS
UNDER ALBEMARLE COUNTY CODE OF ORDINANCES
17-303-8ASANAGR/CULTURAL ENGINEERING OPERATION
THE STREAM BUFFERS) SHOWN HEREON SHALL BE MANAGED INACCORDANCE WITH THE
ALBEMARLE COUNTY WATER PROTECTION ORDINANCE.
NOTE: THIS LAND DISTURBANCE IS SUBJECT TO COUNTY REGULATIONS 17-300 (VESCP) AND
18-5.1.28 (BORROW, FILL, OR WASTEAREAS). ALBEMARLE COUNTY ENGINEERING HAS
DETERMINED THAT THE LAND DISTURBANCE ACTIVITY IS NOT SUBJECT TO 17-302 (VSMP)
GENERAL EROSION CONTROL NOTES
WORK AREA PROTECTION & MAINTENANCE
1.ALL FENCES REQUIRED TO BE REMOVED OR DISTURBED BY CONSTRUCTION SHALL BE SALVAGED, STORED,
PROTECTED AND RE -INSTALLED BY CONTRACTOR AT THE DIRECTION OF AND LOCATION DESIGNATED BY THE
PROJECT MANAGER. IF SUCH FENCE MATERIAL CANNOT BE REUSED DUE TO DAMAGE CAUSED BY
CONTRACTOR, CONTRACTOR SHALL INSTALL NEW FENCE OF THE SAME TYPE OF MATERIAL. TEMPORARY
FENCING REQUIRED BY PRIVATE PROPERTY OWNERS SHALL BE PROVIDED BY CONTRACTOR. CONTRACTOR IS
ADVISED TO CONTACT PROPERTY OWNERS AT LEAST FORTY-EIGHT (48) HOURS IN ADVANCE OF REMOVING
ANY FENCE IN ORDER TO COORDINATE RELOCATION AND/OR PROTECTION OF ANY ANIMALS, AND TO
ESTABLISH AND CONFIRM WITH THE OWNER THE PRE -CONSTRUCTION CONDITION OF ANY FENCE TO BE
REMOVED, DISTURBED OR REPLACED.
2. CONTRACTOR IS PERMITTED TO WORK IN THE PUBLIC RIGHT-OF-WAY (FOLLOWING ISSUANCE OF VDOT
APPROVAL) AND ANY TEMPORARY OR PERMANENT EASEMENT (FOLLOWING VERIFICATION OF EXISTENCE OF
EASEMENT) SHOWN ON THE PLANS. HOWEVER, CONTRACTOR SHALL NOTIFY PROPERTY OWNER(S)
FORTY-EIGHT (48) HOURS PRIOR TO WORKING ON ANY PRIVATE PROPERTY TO GAIN AND COORDINATE
ACCESS AND TO DETERMINE A STORAGE AREA FOR MATERIALS IF NEEDED. COORDINATION OF ACCESS TO
PUBLIC RIGHT-OF-WAY AND STORAGE OF MATERIALS THEREON SHALL BE COORDINATED WITH VDOT AND
THE PROJECT MANAGER. CONTRACTOR'S FAILURE TO SO NOTIFY AND COORDINATE WITH PROPERTY OWNERS
AND/OR THE PROJECT MANAGER MAY RESULT IN DELAYS.
3. CONTRACTOR SHALL, AT HIS EXPENSE, MAINTAIN THE WORK SITE IN A CLEAN AND ORDERLY APPEARANCE
AT ALL TIMES. ALL DEBRIS AND SURPLUS MATERIAL COLLECTED SHALL BE DISPOSED OF OFF THE WORK
SITE BY CONTRACTOR, AT HIS EXPENSE.
4. EXISTING LAWNS, TREES, SHRUBS, FENCES, UTILITIES, CULVERTS, WALLS, WALKS, DRIVEWAYS, POLES, SIGNS,
RIGHT-OF-WAY MONUMENTS, MAILBOXES AND THE LIKE SHALL BE PROTECTED FROM DAMAGE DURING THE
WORK. ANY DAMAGE CAUSED TO SUCH ITEMS SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO
ADDITIONAL COST. PROPERTY PINS DISTURBED BY CONTRACTOR THAT ARE NOT SHOWN ON THE PLANS TO
BE DISTURBED SHALL BE RESTORED BY A LICENSED SURVEYOR AT CONTRACTOR'S EXPENSE.
5.CONTRACTOR SHALL EMPLOY EROSION CONTROL DEVICES AND METHODS AS REQUIRED TO MEET THE
REQUIREMENTS AND INTENT OF THE LOCAL EROSION CONTROL ORDINANCE. CONTRACTOR SHALL PROVIDE
THE NECESSARY DIVERSION DITCHES, DIKES OR TEMPORARY CULVERTS REQUIRED TO PREVENT MUD AND
DEBRIS FROM BEING WASHED ONTO THE STREETS OR PROPERTY. CONTRACTOR'S VEHICLES SHALL BE KEPT
CLEAN TO PREVENT MUD OR DUST FROM BEING DEPOSITED ON STREETS. NO AREA SHALL BE LEFT
DENUDED FOR MORE THAN SEVEN (7) CALENDAR DAYS.
6. FILL ACTIVITY IS SUBJECT TO 18-5.1.28 OF THE ALBEMARLE COUNTY CODE.
ACTIVITY IS SUBJECT TO 17-300 VESCP 7. LAND DISTURBANCE AC IVI ( )
8. ENGINEERING HAS DETERMINED THE ACTIVITY IS NOT SUBJECT TO 17-302 (VSMP).
VEGETATION
1. PRIOR TO REMOVING ANY VEGETATION, CONTRACTOR SHALL MEET WITH THE PROPERTY OWNERS AND THE
PROJECT MANAGER TO REVIEW THE LIMITS OF CONSTRUCTION AND OBTAIN PERMISSION TO REMOVE
VEGETATION REQUIRED TO DO THE WORK.
2.TREE AND PLANT ROOTS OR BRANCHES THAT MAY INTERFERE WITH THE WORK SHALL BE TRIMMED OR CUT
ONLY WITH THE APPROVAL OF THE PROJECT MANAGER. ANY TREES OR PLANTS WHICH ARE SHOWN TO
REMAIN THAT DO NOT INTERFERE WITH THE WORK, BUT ARE DAMAGED BY CONTRACTOR OR HIS
SUBCONTRACTORS, SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO ADDITIONAL COST.
3. CONTRACTOR SHALL CLEAN UP, RESTORE, SEED AND MAINTAIN ALL DISTURBED AREAS IMMEDIATELY UPON
COMPLETION OF WORK ON EACH SITE. TOPSOIL, SEED, FERTILIZER AND MULCH SHALL BE PLACED IN
ACCORDANCE WITH ESC AUTHORITY STANDARDS ON ALL DISTURBED AREAS. A PERMANENT STAND OF GRASS
ADEQUATE TO PREVENT, EROSION SHALL BE ESTABLISHED PRIOR TO FINAL ACCEPTANCE.
4.THE ACT OF RESEEDING SHALL NOT QUALIFY AS "STABILIZED". THE CONTRACTOR SHALL BE RESPONSIBLE
TO ESTABLISH VEGETATION, NOT SIMPLY APPLY SEED AND MATERIALS.
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VICINITY MAP
SCALE: 1"=2000 FEET
UTILITIES
1. ANY DAMAGE TO EXISTING UTILITIES CAUSED BY CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE
CONTRACTOR'S SOLE RESPONSIBILITY AND REPAIRED AT CONTRACTOR'S EXPENSE.
2. THESE PLANS DO NOT GUARANTEE THE EXISTENCE, NON-EXISTENCE OR LOCATION OF UTILITIES.
CONTRACTOR SHALL VERIFY THE EXISTENCE AND LOCATION OR THE NON-EXISTENCE OF UTILITIES. AT
LEAST 48 HOURS PRIOR TO ANY EXCAVATION OR CONSTRUCTION, CONTRACTOR SHALL NOTIFY MISS UTILITY
(1-800-552-7001) AND/OR THE RESPECTIVE UTILITY COMPANIES FOR GAS, WATER, SEWER, POWER,
PHONE AND CABLE. CONTRACTOR SHALL TIMELY ARRANGE TO HAVE THE VARIOUS UTILITIES LOCATED, AND
TO HAVE THEM REMOVED OR RELOCATED, OR TO DETERMINE THE METHOD OF PROTECTION ACCEPTABLE TO
THE RESPECTIVE OWNER, IF THE METHOD OF PROTECTION IS NOT OTHERWISE SPECIFIED. CONTRACTOR
SHALL CONDUCT ITS WORK IN THE VICINITY OF EXISTING UTILITIES IN ACCORDANCE WITH THE RESPECTIVE
UTILITY'S RULES AND REGULATIONS. ANY COST INCURRED FOR REMOVING, RELOCATING OR PROTECTING
UTILITIES SHALL BE BORNE BY CONTRACTOR UNLESS INDICATED OTHERWISE. CONTRACTOR SHALL EXCAVATE
TO LOCATE BURIED UTILITIES FAR ENOUGH IN ADVANCE OF ITS WORK TO ALLOW FOR HORIZONTAL AND
/OR VERTICAL ADJUSTMENTS TO ITS WORK AND/OR THE UTILITIES. NO ADJUSTMENT IN COMPENSATION OR
SCHEDULE WILL BE ALLOWED FOR DELAYS RESULTING FROM CONTRACTOR'S FAILURE TO CONTACT AND
COORDINATE WITH UTILITIES.
3. WHEN THE WORK CROSSES EXISTING UTILITIES, THE EXISTING UTILITIES SHALL BE ADEQUATELY SUPPORTED
AND PROTECTED FROM DAMAGE DUE TO THE WORK. ALL METHODS FOR SUPPORTING AND MAINTAINING THE
EXISTING UTILITIES SHALL BE APPROVED BY THE RESPECTIVE UTILITY COMPANY AND/OR THE ENGINEER.
CONTRACTOR SHALL EXERCISE CARE TO INSURE THAT THE GRADE AND ALIGNMENT OF EXISTING UTILITIES
ARE MAINTAINED AND THAT NO JOINTS OR CONNECTIONS ARE DISPLACED. BACKFILL SHALL BE CAREFULLY
PLACED AND COMPACTED TO PREVENT FUTURE DAMAGE OR SETTLEMENT TO EXISTING UTILITIES. ANY
UTILITIES REMOVED AS PART OF THE WORK, AND NOT INDICATED TO BE REMOVED OR ABANDONED, SHALL
BE RESTORED USING MATERIALS AND INSTALLATION EQUAL TO THE UTILITY'S STANDARDS.
4.CONTRACTOR SHALL NOTIFY LANDOWNERS, TENANTS AND THE PROJECT MANAGER PRIOR TO THE
INTERRUPTION OF ANY SERVICES. SERVICE INTERRUPTIONS SHALL BE KEPT TO A MINIMUM AND SHALL
ONLY OCCUR WITH THE KNOWLEDGE AND PERMISSION OF THE SERVICE'S OWNER OR AUTHORITY.
5.THE ADJUSTMENT OF ALL MANHOLE TOPS, WATER VALVE BOXES, GAS VALVE BOXES AND WATER METER
BOXES SHALL BE THE RESPONSIBILITY OF CONTRACTOR.
6.ALL WATER METER, VALVES AND FIRE HYDRANT ADJUSTMENTS/RELOCATIONS SHALL BE PERFORMED BY THE
CONTRACTOR. CONTRACTOR SHALL KEEP A "REDLINE" SET OF PLANS DOCUMENTING ALL SUCH AS -BUILT
REVISIONS.
SHEET
1
COVER SHEET
SHEET
2
EXISTING CONDITIONS/ SOILS MAP
SHEET
3
EROSION CONTROL PLAN - PHASE I
SHEET
4
EROSION CONTROL PLAN - PHASE II
SHEET
5
SCC CALCULATIONS AND DETAILS
SHEET
6
EROSION CONTROL NARRATIVE
SHEET
7
EROSION CONTROL NOTES & DETAILS
CONTRACTOR SHALL KEEP ACCURATE RECORDS OF ANY CHANGES SUBSTITUTIONS,
ALTERATIONS, VARIATIONS OR UNUSUAL CONDITIONS ENCOUNTERED OR IMPLEMENTED WHILE
ENGAGED ON THIS PROJECT. THESE RECORDS SHALL BE IN THE FORM OF "REDLINES".
"REDLINES" SHALL REFER TO THE CONTRACTOR'S HAND ANNOTATIONS USING RED COLORED
PEN/PENCIL TO DEPICT ACTUAL CHANGE, SUBSTITUTION, OR CONDITION.
PRIOR TO CONTRACTOR REQUESTING PARTIAL OR FULL PAYMENT, CONTRACTOR SHALL
PROVIDE THE OWNER WITH AN UP-TO-DATE CONTRACTOR'S RECORD DRAWING.
SPECIFICALLY, THIS SET OF PLANS, ISSUED TO THE CONTRACTOR AS FINAL CONSTRUCTION
DRAWINGS, SHALL BEAR THE "REDLINE" MARKINGS LISTED BELOW AS WELL AS THE
CONTRACTOR (AGENT OR SUPERINTENDENT) SIGNATURE AND CERTIFICATION BELOW:
• REDLINES SHOULD ALWAYS BE ACCURATE NEAT, LEGIBLE, DATED AND REASONABLY
SCALED
• ADD LARGE RED LETTERS TO TITLE SHEET WITH 'CONTRACTOR'S RECORD DRAWING'
INCLUDING CONTRACTOR'S NAME, DATE, AND OTHER RELEVANT INFORMATION
• CONTRACTOR'S REPRESENTATIVE OR SUPERINTENDENT SHALL INITIAL EACH SHEET. IF A
SHEET HAS NOT BEEN CHANGED AT ALL OR NO MARK HAS BEEN ADDED, LABEL THE
SHEET ONLY 'NO CHANGES'
• IF A SHEET HAS BEEN CHANGED OR MODIFICATIONS HAVE BEEN ADDED, LABEL IT
'REVISED'
• USE WRITTEN EXPLANATION TO DESCRIBE CHANGES. REFER TO SPECIFIC ACTIONS
INSTEAD OF REFERENCING CHANGE ORDER NUMBERS OR RELATED DOCUMENTS
• USE CLEAR LETTERING
• NEVER REMOVE OLD VALUES OR DETAILS, JUST REDLINE OR 'l THROUGH THEM. 1F
THERE IS NO ROOM FOR THE NEW VALUE, YOU CAN GO TO THE SIDE AND REDLINE
THE REPLACEMENT VALUE.
• PROVIDE THE REDLINE DETAILS OF CHANGES OR ADDITIONAL INFORMATION, INCLUDING
BUT NOT LIMITED TO FABRICATION, ERECTION, INSTALLATION, LOCATION, SIZING, MATERIAL,
DIMENSION, ADDITIONS, RELOCATIONS, SUBSTITUTIONS, ETC
• BE SPECIFIC WHEN MAKING NOTES TO UNDERGROUND UTILITIES, SHOWING EXACT
LOCATION, DEPTH, AND MATERIAL USED (EXAMPLE: SEWER LATERALS)
• PROVIDE ALL NECESSARY INFORMATION OF CONTRACTOR'S DESIGNED SYSTEMS OR
SUBSTITUTIONS
• CROSS OUT ANY PLAN REFERENCE TO "APPROVED EQUAL" AND REPLACE WITH ANY
SPECIFIC INFORMATION OF VARIANCE USED DURING THE CONSTRUCTION PROCESS
• ANY CHANGES IN INVERT ELEVATIONS, GRADE MODIFICATIONS, SLOPES, AND RELATED
INFORMATION ON PIPING UTILITIES, EARTHWORK, ETC. SHALL BE REDLINED.
• RECORD ALL UNEXPECTED OBSTRUCTIONS, COMPLICATING FACTORS, UNSUITABLE
CONDITIONS FOUND IN THE PROJECT AREA INCLUDING ROCK, UNUSUAL TOPSOIL
CONDITIONS, BURIED DEBRIS, ETC.
• ATTACH OR INCLUDE ANY SHOW DRAWINGS OR SUPPLEMENTAL INFORMATION TO THE
CONTRACTOR'S RECORD DRAWING
• CHANGES MADE AS A RESULT OF ANY REGULATORY OR OWNER INSPECTION PROCESS
CERTIFICATION STATEMENT:
THIS HAND -MARKED SET OF DRAWINGS HAS BEEN "REDLINED" TO PROVIDE ACCURATE
DETAILED RECORD OF ANY SUBSTANTIVE CHANGES TO THE APPROVED DESIGN DRAWINGS.
ANY ITEM NOT "REDLINED" ON THIS PLAN SET OR SUBSEQUENT PAGES SHOULD BE
CONSIDERED TO BE "CONSTRUCTED IN ACCORDANCE WITH THE DESIGN AS SHOWN
FOR:
NAME
TITLE
DATE
(CONTRACTOR)
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TEMPORARY SEDIMENT TRAP 1 CALCULATIONS
Drainage Area= 2.56 acres STAGE -STORAGE REPORT
Design Volumes: ELEV(FT) STORAGE(CF) STORAGE(CY) AREA(SF)
649 0 0 1629
Wet Storage- 650 1713 63 1797
Minimum Volume Req'd. = 67 cy * 2.56 acres = 172 cy 651 3598 133 1973
Available Basin Volume Prov'd. = 216 cy @ 653.00
Dry Storage- 652 4677 173 2157
Minimum Volume Req'd. = 67 cy * 2.56 acres = 172 cy 653 5851 216 (WET) 2349
Available Basin Volume Prov'd. = 183 cy @ 656.00 654 7230 267 2757
Design Elevations: 655 8860 328 3197
Top of Berm 657.00
656 10797 399 (DRY) 3669
=
Berm Width = 4.5' Design Dimsenions:
Weir Elev = 653.00 amLength: '
Weir Width = 16' Base Dimension: 36' x 50'
Floor Elev = 649.00 Wet Storage Bank Slope: 1:1
Sediment Cleanout Elev = 651.00 Dry Storage Bank Slope: 2:1
TEMPORARY
SEDIMENT
TRAP
2 CALCULATIONS
Drainage Area= 1.64 acres
STAGE -STORAGE REPORT
ELEV(FT) STORAGE(CF) STORAGE(CY)
AREA(SF)
Design Volumes:
682 0
0
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Wet Storage-
683 865
32
924
Minimum Volume Req'd. = 67 cy
* 1.64 acres = 110 cy 684 1852
69
1050
Available Basin Volume Prov'd.
= 156 cy @ 686.00
Dry Storage-
685 2969
109
1184
Minimum Volume Req'd. = 67 cy
* 1.64 acres = 110 cy 686 4224
156 (WET)
1326
Available Basin Volume Prov'd.
= 117 cy @ 689.00 687 5041
186
1634
Design Elevations:
688 6028
223
1974
689 7376
273(DRY)
346
=
Top of Berm 690.00
Berm Width = 4.5'
Weir Elev = 686.00
Design Dimsenions:
Weir Width = 10'
Dam Length:
Floor Elev = 682.00
Base Dimension: 26' x 31'(Long Side at Dam)
Sediment Cleanout Elev = 684.0
Wet Storage Bank Slope: 1:1
Dry Storage Bank Slope: 2:1
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I I 1 I I , i
to ♦
LLLL'LLL � - IN
CL L L L' -
�L /
- :=LLL
!-L L L LL Li v � L ♦ __
Iv �,�I Li , LLv Lv ,IpvvLI l LI,' 1 % •
LI_L Ll_ \ �L \L�LL T i /
L�L�LI�L\LI�L LL L LL�L�L ,
_LLB LtLLL'h L\LLlt \LL Lip L' I / ♦ ,0
-�-L�L LLL-1 \\ \\\LL L L L I /
_ L L LL L Li I
-�1 '! I 'i Lil
''
STORMWATER CONVEYANCE CHANNEL 1
DA = 1.01 AC
C=0.4
SLOPE = 15%
Tc=10,50 (FAA METHOD)
12= 4.09 IN/HR VQ2= 4.94 FT/S 'EC-3 TYPE-1 LINING REQUIRED
Q2=1.62 CFS DQz= 0,27FT
Ilo= 5.20 IN/HR VQIo= 5.19 -
Qlo= 2.10 CFS DQIo= 0.30 "DEFINED CHANNEL DEPTH TO BE 1.0'
DA=7.0AC
C=0.4
SLOPE = 10%
Tc= 23.0 (FAA METHOD)
12= 2.81 IN/HR VQ2= 5.69 FT/S 'EC-3 TYPE-1 LINING REQUIRED
Q2= 5.9 CFS DQz= 0.27FT
Ilo= 3.69 IN/HR VQIo= 6.09
Qlo= 7.70 CFS D010= 0.53 'DEFINED CHANNEL DEPTH TO BE 1.0'
SCC-1 (AIA)
EC-3 TYPE-1 MATTING 1
1 4
1'
EXIST rNG SLOPE PR�POSEp S�-OPE
NTS 5' 4'
SCC-2 (BIB)
1 EC-3 TYPE-1 MATTING
PROPpSED SLOPE � 1 G SLLIPE
EXISTIN
4' 5'
NTS
TYPICAL TREATMENT-2
SOIL STABILIZATION
MATTING INSTALLATION
"I so'L1 n1 u IAATnRE BH41 eE
usEE w ooNauuonou vnlu
At OWLET END OF PIPE.
DOTMENCH # NATER EDGES
CbSISTE EDEO 5 PER I t
5`
MMiFACn1RER5 BEtlOMME1gA7IOaS.
1RON9/EASE -
CLp9fD CHECK 9WT
FLOW ,:"�.;.
�-" UPSTREAM AND
DOWNSTREAM
t� TERMINAL
�0*424 MECK'sLDT
Source: VDOT Road and. Bridge Standards
NUTEI CONTRACTOR TO ENSURE DEFINED CHANNEL IS GRADED WHERE EXISTING SLOPE AND FILL MATERIAL MEET IN L❑CATION SHOW ABOVE IN ACCORDANCE WITH DETAIL PROVIDED ON THIS SHEET.
TYPICAL TREATMENT - 2
SOIL STABILIZATION MATTING
SLOPE INSTALLATION
FILL SLOPE SECTION �[47�
Sat SrhBII.PAnON PATE SaADBte �+'r ~ /
BE INpTµLE6 VERT= Orr' a. BniE1 mot 9UfFUE
OOBIrELOP[ FOR BEST RESULTS. / O SH BE BNE/OTN
mo FREE OF
j / 0 R0MR& won OF
,y� r 0-1 GRm MO
at P4EEerMBAT
PROPER IAXL
12 TEgE 8Rt ME
NMFEREIO PRIOR
UYM6 TGP
V�[L' w OVER
RM
wNTm 51APE hWiE 1PE" Rmj mm YfJ
PROSPENS 00oNS OPE
TOP or
SLOPE LINING SLOPE LINING OUT SLOPE
(WET SLOPE) (DRY SLOPE)
I EAWENR _ Z „ _I .
POLYPOLY AMMIFEI.YENIE
TKlBLE PUMr.) ,RT7uMfkT - ].
E m z�Bc¢i FhTEI!
�iMbrt�np2) 4
BOIL BOTTOM OF PLL SLOPE
t1mom er CUT SLOPE
eonoM or OUT SLOPEDER
Plate 3.36.4 Source: VDOT Rmd and Bridge Standards Plate 3.36-$
60 0 30 60
SCALE IN FEET
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NO- N},TH OF' Dr�C
JIMMY L. TAGGART
Lic. No.
22841 �tv�
S870NAL Ely
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DATE:
04-20-2020
SCALE:
I AS SHOWN
JOB#: 119.1164
CONTOUR INTERVAL:4 FT
SHEET:
5 OF 7
wR WASH RACK
STONE 70' MIN.
CONSTRUCTION
ACCESS 3" SM-2A ASPHALT TOP
COURSE
\-6" MN. 21A AGGREGATE BASE
PROFILE
STONE 70' WN'
A , ESSUCTIaN ASPHALT PAVED
C.^.ESS - A WASHRACK
EXISTING
2% p 2% PAVEMENT
1
-MUST EXTEND FULL WIDTH L-GA �'--POSITIVE DRAINAGE
OF INGRESS AND EGRESS TO SEDIMENT
'OPERATION TRAPPING DEVICE
PLAN
12 MIN OSS?VE DRAINAGE
T
2% TO SEDIMENT
TRAPPING DEVICE
FILTER CLOTH)
SECTION A -A
A nliniumin water tip of 1 inch must be installed with a inini mutt 1 inch ballcock
shutoff valve supplying a wash hose w4t11 a diameter of Li inches for adequate
constant pressure. Wash water must be carried away from the entrance to on
approved settling area to remove sediluent. All seclinnent shall be prez enrted fioin
entering stonn drains, ditches or watercourses.
PAVED WASH RACK
NO SCALE
sR SURFACE ROUGHENING
SILT FENCE
CONSTRUCTION OF A SILT FENCE
(WITHOUT WIRE SUPPORT)
1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
1-1
FLOW
3. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
4
4. BACKFH.L AND COMPACT
THE EXCAVATED SOIL.
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
SF/STONE NOT REQUIRED AFTER SLOPES ARE STABILIZED DOWNSLOPE OF OUTFALL
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
STAIR STEPPING CUT SL OPE S
DEBRIS FROM SLOPE
ABOVE IS CAUGHT
BY STEPS I -III 111- I I -I I;
DRAI=_ III-
II I IIII o
SOURCE: VA. DSWC
WATER, SOIL AND FERTILIZER
ARE HELD BY STEPS - PLANTS
CAN BECOME ESTABLISHED ON
THE STEPS.
CE CONSTRUCTION ENTRANCE
STONE CONSTRUCTION ENTRANCE
71' MIN. EXISTING
II Al PAVEMENT
Y 3 5:1
FILTER CLOTH
6" MIN. I p MOUNTABLE BERM
COPTIDNAU
SIDE ELEVATION
XISTING GROUND
70' MIN.
B CK 10' MIN.
,WASHRA
1, 0' MIN.
12' MIN.EXISTING
PAVEMENT
V➢OT *1 GE 1�N�
COURSE AGGREGATE B TO SEDIMENT
TRAPPING DEVICE
• MUST EXTEND FULL WIDTH
OOF PERATIONS AND EGRESS PLAN VIEW
FILTER CLOTH
REINFORCED CONCRETE
SECTION A -A
SECTION B-B
SOURCE: ADAPTED from 1983, Ma1yland Standards for Soil erosion and Sedimefd Control, and Va. EWC
GROOVING SLOPES
-III-III-I I (- I a
=ill,�llllllll II- "�
-III-III
FUR
ALONGIrTHE CONTOG ISIUR OF A SLOPE.
IRREGULARITIES IN THE SOIL
SURFACE CATCH RAINWATER AND
PROVIDE SOME COVERAGE OF LIME,
FERTILIZER AND SEED.
PLATE 3.29-1 SOURCE: VA. DSWC
PLATE 3.29-2
Sec. 5.1.28 - Borrow, fill or waste areas.
a. Each borrow, fill or waste area shall be subject to the following:
1. Each active borrow, fill or waste area shall be shaped and sloped so that no undrained pockets or stagnant pools of water are created to the maximum extent reasonably practicable as determined by the program authority. All
undrained pockets and stagnant pools of water resulting from drainage shall be treated as required by the Virginia Department of Health to eliminate breeding places for mosquitoes and other insects.
2. No fill or waste area shall be located either within the flood hazard overlay district, except as authorized by section 30.3 of this chapter, or in any stream buffer area as defined by Chapter 17 of the Code of Albemarle.
(Amended 10-3-01; 7-3-02)
3. Each fill or waste area shall be only for the disposal of soil or inert materials. The disposal of any other materials in a fill or waste area is prohibited.
seven days of completion of the borrow, fill or waste activity, or such later time authorized b the program au
thority for reclamation activities of a seasonal nature.
4. Each borrow, fill or waste area shall be reclaimed within e y p y, y p g Y
natural contours shaping and sloping the area to satisf the requirements of subsection
a 1 • covering the area with clean fill to a
Reclamation shall include, but not be limited to, restoring the area so that it approximatesp g p g y q O( ). 9
minimum depth of two feet in order to allow for permanent stabilization and reclamation; and establishing a permanent vegetative ground cover; provided that the program authority may reduce the minimum depth of clean fill to
one foot if the area is unlikely to be redeveloped.
reasonable performance bond with surety, cash escrow, letter of credit an
fill or waste areas subject to subsection b may require the owner to submit a e
5. The zoning administrator, or the program authority for those borrow, � (), y q p Y, � Y
expense should he fail after notice is given to
combination thereof, or such other legal arrangement acceptable to the county attorney, to ensure that measures could be taken by the county or the program authority at the owners p se g
perform required reclamation work specified in the notice. The amount of the bond or other surety shall be based on unit pricing for new public or private sector construction in Albemarle County, Virginia, and a reasonable allowance
for estimated administrative costs and inflation which shall not exceed 25 percent of the estimated cost to initiate and complete the reclamation of the borrow, fill or waste area, and to comply with all other terms and conditions
h failure of the owner to do so the count or the program authority may collect the
of the plan or narrative required by subsection (b). If reclamation work is required to be taken by the county or the program authority upon the fail e y p g y y
reasonable cost of the work directly from the owner, to the extent that the cost exceeds the unexpended or unobligated amount of the surety. Within 60 days after the reclamation work is completed and inspected and approved by
the county engineer, the bond or other surety, or any unexpended or unobligated portion thereof, shall be refunded to the owner.
b. If the aggregate area of a borrow, fill or waste activity will be greater than 10,000 square feet, then, as part of any permit issued pursuant to section 17-207 of the Code of Albemarle, the program authority shall first approve a
e and the following:
i fies the requirements of subsection on a a
plan or a narrative for such activity that sots q () g
1. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. Before a transporting vehicle leaves the parcel or parcels on which the borrow, fill or waste area is located, it shall be cleaned
de
so that no inert materials outside of the vehicles load bed can be deposited on a public street.
2. The borrow, fill or waste area and the access roads thereto shall be treated or maintained to prevent dust or debris from blowing or spreading onto adjacent properties or public streets. Depending on the anticipated intensity and
duration of the activity and the character of the development of adjoining properties, the program authority may require setback, fencing and landscaping requirements as deemed appropriate, but which shall not exceed the
requirements of sections 30.4.6, 30.4.7 and 30.4.9 of this chapter.
3. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00 a.m. to 9:00 p.m., except in cases of a public emergency declared pursuant to section 2-1003 of the Code of Albemarle.
4. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, in order to minimize any hazard to persons, physical damage to adjacent land and improvements, and damage to any public street
because of slides, sinking, or collapse.
5. The placement of fill or waste shall be completed within one year of its commencement, except for reclamation activities and any other activities associated with the final stabilization of the area. The program authority may extend
the date of completion upon the written request of the applicant, demonstrating that factors beyond the control of the applicant prevented the completion within the one-year period. The program authority may then extend the
permit for a period of time that, in its sole discretion, is determined adequate to complete the work.
6. In lieu of a plan or narrative, the program authority may accept a contractual agreement between the Virginia Department of Transportation and its contractor for a public road project; provided that the program authority
determines that the agreement satisfies at least to an equivalent extent the requirements and intent of this section.
(§ 5.1.28, 7-6-83; Ord 01-18(6) , 10-3-01; Ord. 02-18(5) , 7-3-02)
SPACE
i
Plate 3.02-1
SEDIMENT TRAP
TEMPORARY SEDIMENT TRAP
1'I VARIABLE
ORIGINAL
GROUND
ELEV.
*SEE PLATE 3.13-1
1.0'
87 CU. YD./ACRE
.-
VARIABLE
87 CU. 'D./ACRE
(EXCAVATED)
4' MAX.
FILTER CLOTH
ORIGINAL
GROUND
ELEV.
COARSE AGGREGATE CLASS I RIPRAP
CROSS SECTION
OF OUTLET
CLASS I RIPRAP
LENGTH IN FEEIi =
(INXAC.,AINAGE AREA
D D KEION
COARSE AGGREGATE /
EXCAVATED i ( / AREA�� R CLOTH
/ *'COARSE AGGREGATE SHALL BE VVDDOT A13, /357 OR #5
OUTLET If VIEW)
SOURCE: VA. DSWC
PLATE. 3.13-2
MINIMUM TOP WIDTH (W)
REQUIRED FOR SEDIMENT
TRAP EMBANKMENTS
ACCORDING TO HEIGHT OF
EMBANKMENT (FEET)
r r- EXCAVATED AREA
MAX. DEPTH - 4
SOURCE: VA. DSWC
ti_ HO 1tL
1.5 0.5 2.0
2.0 1.0 2.0
2.5 1.5 2.5
3.0 2.0 2.5
3.5 2.5 3.0
H 4.0 3.0 3.0
4.5 3.5 4.0
W�.0 4.0 4.5
�EyO IGI_ PLATE. 3.13-1
DD TEMPORARY DIVERSION DIKE
CLEAN WATER DIVERSION
Sourice: Va. DSWC
4.5 min.
Plate 3.09-1
TABLE 25
TOTAL LBS. PER ACRE
MINIMUM CARE LAWN - COMMERCIAL OR RESIDENTIAL
175-200 LBS.
- KENTUCKY 31 OR TURF -TYPE TALL FESCUE
95-100%
- IMPROVED PERENNIAL RYE GRASS
0-5%
- KENTUCKY BLUEGRASS
0-5%
HIGH MAINTENANCE LAWN
200-250 LBS.
- KENTUCKY 31 OR TURF -TYPE TALL FESCUE
100%
GENERAL SLOPE (3:1 OR LESS)
- KENTUCKY 31 FESCUE
128 LBS.
- RED TOP GRASS
2 LBS.
- SEASONAL NURSE CROP*
20 LBS.
LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1)
- KENTUCKY 31 FESCUE
108 LBS.
- RED TOP GRASS
2 LBS.
SEASONAL NURSE CROP*
20 LBS.
CROWN VETCH**
20 LBS.
TOTAL 150 LBS.
*USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED
BELOW:
FEBRUARY 16TH THROUGH APRIL 30TH............
ANNUAL RYE
MAY 1ST THROUGH AUGUST 15TH ................
FOXTAIL MILLET
AUGUST 16TH THROUGH OCTOBER 31ST...........
ANNUAL RYE
NOVEMBER 1ST THROUGH FEBRUARY 15TH ........ANNUAL
RYE
SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF FARMVILLE, VA
(MAY THROUGH SEPTEMBER USE HULLED SERICEA,
ALL OTHER PERIODS, USE
UNHULLED SERICEA.) IF FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE
RATE TO 30 LBS./ACRE. ALL LEGUME SEED MUST BE
PROPERLY INNOCULATED.
WEEPING LOVEGRASS MAY BE ADDED TO ANY SLOPE OR LOW MAINTENANCE MIX
DURING WARMER SEEDING PERIODS; ADD 10- 20 LBS./ACRE IN MIXES.
p5 PERMANENT SEEDING FERTILIZATION
AND MAINTENANCE
TABLE 24
Maintenance Fertilization for Permanent Seedlings
Use Soil Test Recommendation or Rates Shown Below
Seeding Mixture
Formulation
Lbs. per
Lbs. per
Time
Mowing
Acre
1000 sf
Tall fescue makes
10-10-10
500
11.5
Yearly, or as
*Not closer than 3" if
up 70% or more
or
400
9.2
needed fall
occasional mowing is
of cover.
30-10-10
desired.
Spring the year
Crownvetch
Service lespedeza
0-20-0
400
9.2
following
establishment
8irdsfoot trefoil
and every 4-5
years thereafter.
Fairly uniform
Fall the year
Not required. not closer
stand of Tall
following
than 4" if occasional
Tescue & Service
5-10-10
500
11.5
establish- ment
mowing is desired, and
lespedeza, or
and every 4-5
then in fall after seed
Birdsfoot Trefoil.
years thereafter.
has matured.
Weeping
Spring the year
Not required. not closer
Lovegrass &
following
than 4" if occasional
Service lespedeza
5-10-10
500
11.5
establishment
mowing is desired, and
fairly uniform plant
and every 3-4
fall after sericea has
distribution
years thereafter.
matured.
Red & s chewin
9
20-10-10
250
5.8
September, 30
Mow no closer than 2"
for red fescue and Ky
fescue, Kentucky
days later
December, May
bluegrass; and closer
bluegrass, hard
20-10-10
100
2.3
20-June-30, if
than 3" for fescue,
fescue mixture:
needed.
TEMPORARY SEEDING MIXTURES FOR
Ts THE PIEDMONT AREA
TABLE 26
TEMPORARY SEEDINGS BY RATES, DEPTHS, AND DATES
Seeding Rate
Planting
depth M
Seeding zones Q and Seeding Date JL
Species �L
Per
Lbs/1000
7a and 7b
6b
6a and 5b
acre
Sq. ft
(Inches)
2/1-
5/1-
8/15-
3/1-
5/1-
8/15-
3/15-
6/1-
8/1-
4/30
8/14
11/30
4/30
8114
11/15
5/31
7/31
10/31
Choose one:
BY
BY
BY
Barley
2.5 bu.
2.80
1-2
X
-
10/15
X
-
10/15
X
-
1011
Oats
3 bu.
2.21
1-2
X
-
-
X
-
-
X
-
-
Rye (4)
2.5 bu.
3.22
1-2
X
-
X
X
-
X
X
-
X
are or
Rye Us
150 lbs.
3.45
1
X
X
10/15
X
X
10/15
X
X
10/1
Foxtail
X
X
X
X
X
X
X
X
X
millet 5
Weeping
41bs.
0.09
1/4-1/2
-
X
-
-
X
-
-
X
-
lovegrass
Annual ryegrasS 50 lbs. 1.15 1/4-1/2 X - 11/1 X - 11/1 X -
8/15
Millet (7) 50 IDS. 1.15 1/2 - X - - X - - X
-
(1) Applicable on slopes of 3:1 or flatter
(2) Refer to figure A - Adopted from USDA, AIRS Miscellaneous Publication #1475, January 1990
(3) Between fall and spring seeding dates, use mulch only if ground is frozen and reseed when thawed
4 May be used as a nurse r for l () y crop o ate fall/early winter permanent seedlings, add 56 Ibs/ac. to the permanent
seeding mixture
rU r+w„p ucu euUu .cni Ui ai o U rvuA 1 1 Y y Y P Y
5 May be used as a nurse crop for mid -summer
e permanent seedin s. Add 2 Ibs/ac to permanent
() y p p g p manent seed mix.
6 May be used as a nurse crop for mid -summer y p d summer permanent seedlings. Add 10 Ibs/ac, to the permanent seeding
mix.
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JIMMY L. TAGGART
Lic. No.
22841 sv�
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ES3IONAL ENG
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DATE:
J04-20-2020
SCALE:
_
AS SHOWN
JOB#:
119.1164
CONTOUR INTERVAL: N/A
SHEET:
7 OF 7