HomeMy WebLinkAboutWPO201600053 Plan - E&S Erosion Control Plan 2016-10-21r
OWNER / DEVELOPER: MARCH MOUNTAIN PROPERTIES LLC CONTACT: DAVE BROCKMAN
1005 HEA THERCROFT CIRCLE, SUITE 100 OLD TRAIL VILLAGE
CROZET VA, 22932 CELL; (702) -985-9088
dave@oldtrailvillage.com
PLAN PREPARER: ROUDABUSH, GALE, C ASSOCIATES
914 MONTICELLO ROAD
CHARLOTTESVILLE, VA. 22902
(434) -977-0205
TAX MAP PARCEL No: 05500-00-00-07100 - D.B. 2035, PG. 728
ZONING: R-1 RESIDENTIAL, BONUS LEVEL - CLUSTER DEVELOPMENT
OF ZMA-04-024 APPROVED ON SEPTEMBER 14, 2005
USE: LOW DENSITY RESIDENTIAL - 43 RESIDENTIAL LOTS
BUILDING HEIGHT: NOT TO EXCEED 2.5 STORIES FOR SINGLE FAMILY USE
AREA SUMMARIES: LOTS 23.7 Ac.
OPEN SPACE 15.65 Ac.
ROADS 2.0 Ac.
WALKS/RIBBON 0.9 Ac.
TOTAL AREA 42.25 Ac.
GROSS RESIDENTIAL 1.02 DWELLING UNITS PER ACRE
DENSITY:
MAGISTERIAL DISTRICT. WHITE HALL MAGISTERIAL DISTRICT
DRAINAGE DISTRICT. LICKINGHOLE CREEK
WATERSHED: LICKINGHOLE CREEK
TOPOGRAPHY: LOUISA AERIAL SURVEYS, AUGUST 2012
DATUM: VERTICAL - NAVD 88, HORIZONTAL - NAD 83
CRITICAL SLOPES: NO CRITICAL SLOPES EXIST WITHIN THE PROJECT LIMITS.
FLOODPLAIN.' THIS PROJECT IS LOCATED WITHIN FLOODPLAIN
LIMITS AS SHOWN ON FLOOD INSURANCE RATE MAP
COMMMUNITY PANEL NUMBER 510006 0237 D.
EFFECTIVE DATE: FEBRUARY 4, 2005.
EROSION CONTROL:
PHASE I EROSION CONTROL PROVIDED BY THE EXISTING
ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% OF MAXIMUM DRY DENSITY
SEDIMENT BASIN CONSTRUCTED WITH SUBDIVISION
SWM POND TO BE CONVERTED/CONSTRUCTED DURING DRY WEATHER
STORMWATER:
ORIGINAL SWM BIO -RETENTION POND, TIMMONS PLAN, REVISED 7-15-04
THIS PLAN SHALL REPLACE THE ORIGINAL BIO -FILTER DIESIGN
THE PROPOSED SWM FACILITY IS A 4 # NOV WET POND
AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL TO BE APPROVED BY
THAT PROVIDES 10 YR POST - 2 YR PRE DEVELOPED CONDITIONS
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THE SITE IMPERVIOUS COVER IS (4. 05 + (4, 500 S. F. /LOT X 41 LOTS) /42.25) = 30%
ROADWAY., 2.85 ACRES SIDEWALKS: 0.74 ACRES
WET POND BMP (NWS) : 0.45 ACRES
A GEOTECHNICAL ENGINEER. A GEOTECHNICAL ENGINEER IS TO BE PRESENT
OVERALL SITE IMPERVIOUSNESS = 8.29 ACRES OR 20%
LIGHTING:
ALL PROPOSED LIGHTING WILL NOT EXCEED 3,000 LUMENS.
NO EVIDENCE OF A BURIAL SITE WAS FOUND ON THIS PARCEL.
THE STREAM 8UFFER(S)
SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE WITH
THE ALBEMARLE COUNTY
WATER PROTECTION ORDINANCE.
THIS SITE IS NOT LOCATED WITHIN AN AGRICUL TUBAL -FORESTAL DISTRICT.
THIS SITE IS LOCATED
WITHIN THE WATERSHED OF A PUBLIC WATER SUPPLY RESERVOIR.
W), E 0 N 0
=�allard Field Upper S bdivisio
STORMWAT R MANAG M N
& ROSION CONTRO LAN
W O 00 00005 (R V1 S D)
1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED
ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND
SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS yr 625-02-00 EROSION AND
SEDIMENT CONTROL REGULATIONS.
3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS
THE FIRST STEP IN CLEARING.
4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED
ON THE SITE AT ALL TIMES.
5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON
THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE
CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER
FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY.
6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
DETERMINED BY THE PLAN APPROVING AUTHORITY.
7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT
ALL TLMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL
FINAL STABILIZATION IS ACHIEVED.
B. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING
DEVICE.
9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL_ MEASURES PERIODICALLY AND
AFTER EACH RUNOFF PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP
TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE
IMMEDEATELY.
10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA.
11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL
SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER
DEBRIS.
12. BORROW OR 'WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER
ZONING ORDINANCE SECTION 5.1.28.
13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF
THE CODE OF ALBEMARLE.
14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL
BE LIMITED TO THE HOURS OF 7:00 AM 1-0 9:00 PM.
15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT
MAINTAINS LATERAL SUPPORT, OR 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.
16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT
TO PERMANENT STORMWATER MANAGEMENT FACILITIES, WHERE APPLICABLE, ALL EROSION
CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT,
UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY.
17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO
BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A
50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO
CONSISiT OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET.
STRAW MULCH IS TO BE APPLIED AT 80 LBS/1OOSF. ALTERNATIVES ARE SUBJECT TO
BE APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR.
18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND
MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90 LBS/1000SF.
INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT
1000 LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL
BE APPLIED AT 180 LBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND
0-5% PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED
AT 80 LBS/100SF. ALTERNATIVES ARE SUBJECT TO BE APPROVED BY THE COUNTY
EROSION CONTROL INSPECTOR.
19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL.
ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED IMMEDIATELY.
SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME IS FILLED WITH
SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A
GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING
SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY.
20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN
30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED,
SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR.
1.
ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% OF MAXIMUM DRY DENSITY
0
AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL TO BE APPROVED BY
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A GEOTECHNICAL ENGINEER. A GEOTECHNICAL ENGINEER IS TO BE PRESENT
VICINITY
MAP
DURING CONSTRUCTION OF DAMS.
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PIPE AND RISER JOINTS ARE TO BE WATERTIGHT WITHIN STORMWATER
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FOR TEMPORARY SEDIMENT TRAPS OR BASINS WHICH ARE TO BE CONVERTED TO
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PERMANENT STORMWATER MANAGEMENT FACILITIES; CONVERSION IS NOT TO TAKE
PLACE UNTIL THE SITE IS STABILIZED, AND PERMISSION HAS BEEN OBTAINED
FROM THE COUNTY EROSION CONTROL INSPECTOR.,�}fJa,_w,
GENER/d1I.. EROSION AN
SCALE: 1 1000 FEET
SHEET INDEX
'
ES -1:
UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND
SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING
TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE "VIRGINIA EROSION AND SEDIEMNT'
--------- COVER SHEET
APPROVED
CONTROL HANDBOOK" AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND
SEDIMENT CONTROL REGULATIONS.
by the Albemarle County
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ES -2:
THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE
------,- --- T
����OOi�� �pV������D# D�P������ �
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
Date
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.il
('��;(�; ;;�
SHEET
3 ---------- POST -DEVELOPED DRAINAGE MAP
ES -3:
ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS
THE FIRST STEP IN CLEARING.
SHEET
4 ---------
ES -4:
A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE
MAINTAINED ON THE SITE AT ALL TIMES.
PROVALAS
ES -5:
PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDI(CATED
SHEET
5 ---------- EROSION NOTES & DETAILS
THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE
D)EPAXfMENT OF COMMUNITY DEVELOPMENT
AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN
SHEET
6 ----""-" ---SWM PROFILE &VRRM DETAILS
TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN REVIEWING AUTHORITY.
PLANNING / ZONNING
ES -6:
THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSIOPN
SHEET
7 ------- LANDSCAPE PLAN
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
ENGINEERING
DETERMINED BY THE PLAN REVIEWING AUTHORITY.
ES -7:
ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT
INSPECTIONS
ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL
FINAL STABILIZATION HAS BEEN ACHIEVED.
AJACHITECTUAL REVIEW
ES -8:
DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED
FILTERING DEVICE.
FARE RESCUE
ES -9:
THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND
AFTER EACH FUNOFF-PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP
TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADEA[LBEMARLE
COUNTY SERVICE AUTHORITY
IMMEDIATELY.
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AugustREVISIONS
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Countyi
Octoberw
DATE
Sept. 18, 2015
FILE NUMBER
8053
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8053
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-REVISIONS
s ti 22, 2016
s r
DATE
Sep�. 18, 2015
SCALE CALE
1
11 = 104➢H V L�
(CONTOUR INTERVAL
2 FOOT
FILE NUMBER �
8063
SHEET
21
SCALE 1" 100'
O100 500 100 200
Q5 �3, SCALE IN FEET
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REVISIONS
August 22, 2016
County Comments
October 3, 2016'
DATE
dept. 18, 2015
'--��CAL�E�
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CONTOUR INTERVAL
2 FOOT
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FILE NUMBER
8053
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FILE NUMBER
8053
SHEET
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REGULATIONS. ;
_ _ - INV.(IN)=656.11(OT,'3—
ES -Z: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE INV.(OUT)=655.58 .-
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND %
SEQUENCE OF CONS I UC I ON DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ~ � 100
10,
BEGIN CONSTRUCTION ES -3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE
1.) BMP CONVERSION, CONSTRUCTION OF BERM AND OUTFALL DITCH SHALL IBE INSTALLED IN ABSOLUTE
FIRST STEP W CLEARING.
DRY CONDITIONS, WITH NO FORECAST OF RAINFALL. y
ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED 3-4
EXISTING DITCH
2.) CONTRACTOR SHALL VERIFY FUNCTIONALITY OF EXISTING SEDIMENT BASIN. CONTRACTOR SHALL THEN ON THE SITE AT ALL TIMES. SECTION
INSTALL CONSTRUCTION ENTRANCE, SILT FENCE AND INLET PROTECTION /AS FIRST STEP IN-' DITCH DEPTH=24"
ES -J: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON
CONSTRUCTION,(ASBUILTS HAVE BEEN PERFORMED TO VERIFY THE EXISTI�� G BASIN CONSTRUCTION
THESE PLANS INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE • _. ;
SPECIFICS) CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER
3. CONTRACTOR SHALL COORDINATE INSPECTIONS, AS REQUIRED BY THE CO)UNTY OF ALBEMARLE. FOR REVIEW AND APPROVAL BY THE PLAN REVIEWING AUTHORITY. / u
4.) CONTRACTOR SHALL INSTALL THE PERMANENT BMP BERM, RISER STRUCTURE, DIVERSIONS AND
ES -6o THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION
PERIMETER SILT FENCE AND OUTFALL CHANNEL IMPROVEMENTS AS SHOWN. EXIST. GRASS LINING
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED
BY THE PLAN REVIEWING AUTHORITY.
5. CONTRACTOR SHALL INSTALL PROPOSED BMP OUTFALL PIPE(BARREL)TO CONVEY EXISTING UPSTREAM �a
SITE RUNOFF THROUGH THE CONSTRUCTION AREA, DURING CONSTURCTION.
x
6.) BEGIN STABILIZATION AND FINE GRADING OPERATIONS AS NECESSARY T0, ACHIEVE FINAL GRADES, ES -7: ALL DISTURBED ARES ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL
ALLOWING FOR THE PLACEMENT OF 6"-8" OF TOPSOIL..
TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL Vii/ h ='
7.) PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN
STABILIZATION HAS BEEN ACHIEVED. / "/ ��ion /0 2,41 '>
SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL ;
STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT ES -S: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING i
FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION DEVICE.
i
SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN 60 DAYS.- a /
M
ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND
SCALE 1 • 30
8.) ONCE PERMISSION IS OBTAINED FROM THE EROSION CONTROL INSPECTOR„ REMOVE SILT FENCING, INLET AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP /
PROTECTION AND OTHER EC MEASURES, MAKING THE BMP FUNCTIONAL. TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE 80 0 0 80 soy
IMMEDIATELY. I z— -
- NU IN FET
REVISIONS
August 22,
16
County { f
mments
October 2016
DATE
Sept. 18, 2015
r —
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+CONTOUR INTERVAL
2 FOOT
FILE NUMBER
8053
SHEET
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FILE NUMBER
8053
SHEET
4{7
r.
70' MIN.
a V
SIDE ELEVATION
EXISTING
PAVEMENT
5:1
MOUNTABLE BERM
(OPTIONAiL)
EXISTING GROUND I
70' MIN.
i B WASHRACK 10' MIN.
I I (OPTIONAL)
* [MI1� 10' MIN.
12' MIN. �— EXISTING
PAVEMENT
I �
VD❑7 #1 POSITIVE DRAINAGE 10' MIN,
COURSE AGGREGATE B TO SEDIMENT — f —
I TRAPPING DEVICE i
* MUST EXTEND FULL WIDTH
OF INGRESS AND EGRESS
OPERATION PLAN VIEW V I E �y
12' MIN.
FILTER CLOTH --''Py
SECTION A—A
REINFORCED CONCRETE
DRAIN SPACE
SOURCE: ADAPTED from 1983 Maryland Standards for Soil erosion and Sediment Control, and Va. DSWC
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.
III Ilijrl 6'MAX.
FLOIY f ---
III --- �"
3. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
i
X011
4. BACKFILL AND COMPACT
THE EXCAVATED SOIL.
J
FLOW
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
I I
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAiNAGEWAY INSTALLATION
FRONT ELEVATION
SOURCE: Adapted from Installation of Straw and f=abric Filter Barriers for Sediment Control,VA. DSWC
Sherwood and Wyant
PLATE. 3.05-2
�! DIVERSION
TEMPORARY
Compacted Soil
'Flow
.r.ml
TEMPORARY MIXTURES . I THE PIEDMONT ■
TABLE 26
TEMPORARY SEEDINGS BY RATES, DEPTHS, AND DATES
MINIMUM CARE LAWN - COMMERCIAL OR RESIDENTIAL
Seeding Rate
Plantin�,�
depth ii1
Seedingzones 2 and SeedingDate 3
(—) )
Species M
Per
Lbs/100
0-5%
7a and 7b
6b
6a and 5b
100%
acre
Sq. ft
(Inches)
2/1—
5/1—
8/15--
3/1—
5/1—
8/15—
3/15—
6/1—
8/1—
- RED TOP GRASS
2 LBS.
- SEASONAL NURSE CROP*
20 LBS.
4/30
8/14
11/30
4/30
8/14
11/15
5/31
7/31
10/31
Choose one:
. . . .ANNUAL RYE
NOVEMBER 1ST THROUGH FEBRUARY 15TH .. ......ANNUAL
RYE
***SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH
EAST OF FARMVILLE, VA (MAY THROUGH
BY
USE UNHULLED SERICEA.) IF
FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME
BY
LOVEGRASS MAY BE ADDED TO ANY
SLOPE OR LOW MAINTENANCE MIX DURING WARMER
BY
Barley
2.5 bu.
2.80
1-2
X
—
10/15
X
—
10/15
X
—
10/1
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
arley or
Not required. not
& Service
PYDP-72 6Ci,66 60t34 2.3 1 fj 33
following
closer than 4" if
lespedeza fairly
5-10-10
500
11.5
establishment
Rye lus
150 lbs.
3.45
1
X
X
10/15
X
X
10/15
X
X
10/1
Foxtail
20-10-10
250
5.8
X
X
X
X
X
X
X
X
X
millet 5
December, May
bluegrass; and closer
fescue mixture:
20-10-10
100
2.3
20 -June -30, if
than 3" for fescue.
Weeping
lovegross 61
4 lbs.
0.09
1/4-1/2
—
X
—
—
X
—
—
X
—
Annual
Ryegrass
50 lbs.
1.15
1 2
/ 4-1 /
X
—
11/1
X
—
11/1
X
—
8/15
Millet (7)
50 lbs.
1.15
1/2
—
X
X
—
—
X
—
(1) Applicable on slopes of 3:1 or flatter
(2) Refer to figure A — Adopted from USDA, ARS 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 crop for late fall/early winter permanent seedings, add 56 lbs/ac. to the permanent
seeding mixture
(4) Maryland State Highway Administration Temporary Seed Mix
(5) May be used as a nurse crop for mid—summer permanent seedings. Add 2 lbs/ac to permanent seed mix.
(6) May be used as a nurse crop for mid—summer permanent seedings. Add 10 lbs/ac. to the permanent seeding
mix.
Plate 3.UZ-1
MAINTENANCE LOG:
MAS O GRIAEDING I DATE STABILIZIZ AREASSTRUCTION I DATE MAINTENANCE
/ADDOIONSCONTROLS DATE RAINFALL (INSWEEKLY
PECTIONS11
■THE
PIEDMONT AREA
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)
Tall fescue makes
- KENTUCKY 31 FESCUE
128 LBS.
- RED TOP GRASS
2 LBS.
- SEASONAL NURSE CROP*
20 LBS.
LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1)
400
- KENTUCKY 31 FESCUE
108 LBS.
- RED TOP GRASS
2 LBS.
- SEASONAL NURSE CROP*
20 LBS.
- CROWN VETCH**
20 LBS.
TOTAL 150 LBS.
Crownvetch
*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.
PYRAMID RACKFQR C EDNCR TE PIPE II� ._.Ij
PERMANENT SEEDING FERTILIZATION
AND MAINTENANCE
TABLE 24
Maintenance Fertilization for Permanent Seedings
Use Soil Test Recommendation or Rates Shown Below
Seeding Mixture
Formulation
Lbs, per
Lbs. per
Time
Mowing
0opi 0
EROSION AND SEDIMENT CONTROL HANDBOOK.
Acre
1000 sf
-!
HOST STRUCTURE INSIDE DIMENSIONIS
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
4
t ,
^fir
desired.
Crownvetch
•
ILL
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Spring the year
Do not mow crownvetch
Service lespedeza
0-20-0
400
9.2
following
establishment
Birdsfoot trefoil
W
..... 3 ,
L
and every 4-5
J
PYRAMID RACKFQR C EDNCR TE PIPE II� ._.Ij
years thereafter.
i°id._ i'IPE I D ` r11 FIE o.ri. -_- fi �
Fairly uniform
�.
_ .. _79—TI 4 153 t'Y _
is
Fall the year
Not required. not closer
stand of Tall
P'fE)m 4g^ 48 5i3 57 12 '9 f 20 174--
•
following
than 4" if occasional
'Fescue & Service
5-10-10
500
11.5
establish- ment
mowing is desired, and
lespedeza, or
A;
r'`it7-96 µ 96 114 1#3 23m 39 1 2 PYP.A#v1fO RACKS FOR PLASTIC OR MET/AL PIPE
and every 4-5
then in fall after seed
Birdsfoot Trefoil.
Nr «,
PARS No. caRRucA r1✓c HOPS A c�' c
PYDP-24 12,15,18— 12,15,1 _.._ �� �3__._ 18 21 1-7�—_
years thereafter.
has matured.
Weeping Lovegrass
-- 6/4
F'YDf�-48 33,36,42 _48,
Spring the year
Not required. not
& Service
PYDP-72 6Ci,66 60t34 2.3 1 fj 33
following
closer than 4" if
lespedeza fairly
5-10-10
500
11.5
establishment
occasional mowing is
uniform plant
:aF iu i.� z II 1V PROJECT:
.
P:.. 1..,J:..?Sc.`iJ FXI: APP'D BY:
and every 3-4
desired, and fall after
distribution
years thereafter.
sericea has matured.
Red & chewings
20-10-10
250
5.8
September, 30
Mow no closer than 2"
fescue, Kentucky
days later
for red fescue and Ky
bluegrass, hard
December, May
bluegrass; and closer
fescue mixture:
20-10-10
100
2.3
20 -June -30, if
than 3" for fescue.
needed.
RISER PIPE BASE CONDITIONS
FOR EMBANKMENTS
CONCRETE BASE FOR POND EMBANKMENTS
10' OR LESS
--� D
6"
r7. —IEEI I — — —I I — —
.9V21=1
— — EE — — —
1I 18" —11=1 11=1 11=I 11=1 11=1 i 1=1 I i�I I I-1 I I=I I Imo! i I-1 11=1 I I-
=111-11 ISI I'
+�— 2D CONCRETE
STEEL BASE FOR POND EMBANKMENTS
10' OR LESS
-rti ti' 5�- I 1_] I _=11T=I-f(1-�f1-1T - _
I I—I 11= 30" D/2 -(i 1=1 I IEEI 11=1 I I-1 I!=i 11=1(1=1 11=1 11=1 11=1 I I-1 I I=
—I 11=1 ! i-1 I I—I I I=1 11-11 I� �I I I� � �I I I� � 1 Ir
—1
—1 I I-1 I MI 11=i I i—; I—
J— J = —III— E1 I 1-1'
— — _ _ — E
_ I .. ,I
-r--•- 2D 1 /4" STEEL PLATE
SOURCE: VA. DSWC PLATE. 3.14-14
SUGGESTED TEMPORARY SEEDING MIXTURE
—�
53 C.Y. CL I RIPRAP
FERTILIZER: 10-20-10
II
1,000 LBS/ACRE
xl DIMENSIONS IN INCHES 1-0 THE NEAREST 1/4"
SEPTEIMBER-FEBRUARY 15: 50% ANNUAL RYE & 50% WINTER RYE 100 LBS/ACRE FEBRUARY 16 -APRIL 30:
10 C.Y. CL I RIPRAP
ANNUAL RYE 100 LBS/ACRE MAY -AUGUST: GERMAN MILLET 50 LBS/ACRE OTHER OPTIONS EXIST, SEE VA
0opi 0
EROSION AND SEDIMENT CONTROL HANDBOOK.
CONSTRUCTION PRODUCTS NATIONALLY*
SUGGESTED PERMANENT SEEDING MIXTURE
-!
HOST STRUCTURE INSIDE DIMENSIONIS
M
LIME: 2 TONS/ACRE FERTILIZER:
PAR Y PdIJ;Y B Ii:
TYPE OF PIPE MOUNTING TI -O.,
10-201-10 1,000 LBS/ACRE
MARCH( -MAY 15: KENTUCKY 31 FESCUE 200 LBS/ACRE, ANNUAL RYE 20 LBS/ACRE MAY 16 -AUGUST 15�
s
KENTUCKY 31 FESCUE 200 LBS/ACRE, FOXTAIL MILLET 20 LBS/ACRE AUGUST 16 -OCTOBER: KENTUCKY 31
1
FESCUIE 200 LBS/ACRE, ANNUAL RYE 20 LBS/ACRE NOVEMBER -FEBRUARY: KENTUCKY 31 FESCUE 200
y 1''ftp
LBS/AICRE, WINTER RYE 20 LBS/ACRE
f,j o,# 1
4
t ,
^fir
."'IX",
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SOURCE: VA. DSWC OUTLET PROTECTION
N
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53 C.Y. CL I RIPRAP
PYRAMID STRUCTURES
(STANDARD SIZES)
II
�CULVERPOND
CL I ;;P�R%AP
xl DIMENSIONS IN INCHES 1-0 THE NEAREST 1/4"
O P2
10 C.Y. CL I RIPRAP
*AS DISTRIBUTED BY CONTCt`H
0opi 0
O, 18MIN. DEPTH
w/UNDERLYING F.F
CONSTRUCTION PRODUCTS NATIONALLY*
-!
HOST STRUCTURE INSIDE DIMENSIONIS
M
PAR Y PdIJ;Y B Ii:
TYPE OF PIPE MOUNTING TI -O.,
u►
!Il / € l INSIDE DIAMTER OF PIP, ---
'IF'E:[
APRON LENGTH = 20'
_ _
A.- IlI
4
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\ -ter-- I=I =..
s
\ I - - -
E[I l I 1[ I
Is
W
..... 3 ,
L
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i°id._ i'IPE I D ` r11 FIE o.ri. -_- fi �
�.
_ .. _79—TI 4 153 t'Y _
is
r'YD--3o 36 44 _43 — —
P'fE)m 4g^ 48 5i3 57 12 '9 f 20 174--
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p _ _ _... _.__ __._ _.__....___ __
PYD—Ei0 "vi} -1_2__::::_ 1 2 12 1 2 20 1 f2
Z
0
_.._._ �68
PYD-72 72 86 cf4 18 27 119
LL
PYD-s4 84 - _ion - 94 i 2 _-1 32 1-2
..''
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r'`it7-96 µ 96 114 1#3 23m 39 1 2 PYP.A#v1fO RACKS FOR PLASTIC OR MET/AL PIPE
{P1W RPP IS HAVE A UN NUM S-�D H:CM PnE T AGCSPu4U OAl 4acN R G ra Wr
W
Nr «,
PARS No. caRRucA r1✓c HOPS A c�' c
PYDP-24 12,15,18— 12,15,1 _.._ �� �3__._ 18 21 1-7�—_
PYOP-36 21,24,27,30 24,.30
-- 6/4
F'YDf�-48 33,36,42 _48,
_25
PYDE'C 48,54 68 i 2 1E3 2E
PYDP-72 6Ci,66 60t34 2.3 1 fj 33
i'YDP-84 72,78 �A �4 1 !2 23 1 2 38
__NTA_
PYDP-96 A 113 28 1/2 45
1 CUSTOMER: m _.....__
CONSTRUC110N PROO i TS INC.EiRAVV BY,:
:aF iu i.� z II 1V PROJECT:
.
P:.. 1..,J:..?Sc.`iJ FXI: APP'D BY:
COPYRIGHT DETAIL.
N
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53 C.Y. CL I RIPRAP
UPPER POND
CULVERT
OUTFLOW
II
�CULVERPOND
CL I ;;P�R%AP
LOWER POND
CULVERT
OUTFLOW
O P2
10 C.Y. CL I RIPRAP
< 30"
0opi 0
O, 18MIN. DEPTH
w/UNDERLYING F.F
f-18"
-!
Q10 = 15 cfs
M
'
u►
APRON LENGTH = 20'
Z
cV
—�
53 C.Y. CL I RIPRAP
UPPER POND
CULVERT
OUTFLOW
=
O P 3 o_
3:
�CULVERPOND
CL I ;;P�R%AP
OUTFLOW
O P2
�-- �'C.Y.
18" MIN. DEPTH
W/UNDERLYING F.F
< 30"
7 -
v
Q10 = 15 cfs
-!
co
"'M
M
'
APRON LENGTH = 12'
00
—�
53 C.Y. CL I RIPRAP
UPPER POND
CULVERT
OUTFLOW
=
O P 3 o_
3:
18 MIN. DEPTH
W/VjU/NDERLYING F.F
C k 24»
v
Q10 53 cfs
7 -
-!
co
"'M
APRON LENGTH = 56'
7
Af
REVISIONS
August 6
County s
October,.
fig,
DATE a'yy"�
Sept. 18, 2015
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REVISIONS
August 6
County s
October,.
fig,
DATE a'yy"�
Sept. 18, 2015
FILE NUMBER
8053
i
SHEET
5/l
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LU
4
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s
is
0
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FILE NUMBER
8053
i
SHEET
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680
675
670
1
IWO
91011111111
645
Drainage Area A
Drainage Area A Land Cover (acres)
A Soils 8 Scalls C Soils Li Scnils Ltt�tats Land Cover Iry
Fore t Open Space (acres) 0,00 0.00
Managed Turf (acres)<,93 18.38 0-20 I
Impeniial Cover (acres)
5 �
°�tal Phosphorus Available for Removal In D.A, A (ib/yr) 201
TratalLi Post Development Treatment Volume in D,A, A (ftp) 32,
SCOR E Best Management Practices Runoff Redut --Select from drop6o n lists --
RUNOFF REDUCTION #J131.TiME Atl-IIEV (W)
x P LOAD AVAILABLE FOR REMOVAL (Ib!yr)
Tp LOAD REDi_lG [ON ACHIEVED (IIx/yr)
P LOAD REMAINING (ib/yr)
o
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cD�A. 0
'_'__
,-Op
0
_mmaA
0
0 0t3
`
cD ri t7
20,13
0.000
0 O.t O
0 €Jt
2Ei i3
3 -------
1037
L 00
000 0,00
0,00
10,37
,75
0.00
0.00 0.0
0
iS
30
13,a, Wet Pond 4 i (Spec #1 1
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Ct,C�
0,00
tr,,:
h __........ > INV.tIN)=656."I-I(U1,.5-
LANDSCAPE NOTES
f INV.(OUT)=655.58
RETENTION POND PLANT
MATERIALS
Scientific Name
Common Name
Zone
Form
Inundation Tolerance
Notes
Hibiscus moscheutos
Marsh Hibiscus
2,3
Emergent
up to 3 hi
I GAL. 4'0.C.
Panicum vir atum
Switchgrass
2,3
Emergent
LIP to 3 in
ICTAL. 3' O.C.
Typhaspp.
Cattail
2,3
Emergent
up to 1 ft
2" PLUG 24" O.C.
Elodea canadenis
Waterweed
1
Submer ent
yes
LIVE STEM W1 O.C.
Valisneria americana
Wild Celery
I
Submer ent
Les
2" PLUG 24" O.C.
1.) EXPOSED SOILS ON ON POND SIDE SLOPES ABOVE \\\
PERMANENT POOL ELEVATION SHALL BE STABILIZED WITH \
SPECIFIED SEED MIXTURES, STABILIZATION MATTING, MULCH,
ETC. IN ACCORDANCE WITH APPROVED PLANS. \ r
VJ
2.) CONTRACTOR SHALL VERIFY APPROPRIATE SPACING OF LH
- �X1SECTIONTCH �� ` '
33-4
PLANTS ARE INSTALLED ON AQUATIC BENCH AND -- /\ r
POND BUFFER IN ACCORDANCE WITH APPROVED PLANS. DITCH DEPTH=24" \�
3.) ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL
BE REMOVED PRIOR TO PLANT INSTALLATION.
4.) FOLLOW UP INSPECTION AND AS -BUILT SURVEY SHALL BE 1-1 Nd.
y; I SCHEDULED UPON COMPLETION OF RETENTION POND. ~ ! _ 1 11, �"-
RETENTION POND MAINTENANCE SCHEDULE
Maintenance Items
Frequency
Remove debris and blockages
Quarterly or after major
storms
Repair undercut, eroded, and
(>I inch of rainfall)
bare soil areas
Mowing embankment
Twice a year
Shoreline cleanup to remove trash,
debris and tloatables
Annually
A full maintenance inspection
Annuaff
Open Lip the riser to access and
test the valves
Annually
Repair broken mechanical
Annually
components, if needed
..
Pond buffer and aquatic bench
One time —during the
reinforcement plantings
second year following
construction
Forebay Sediment Removal
Every 5 to 7 ears
Repair pipes, the riser and
�I►
s illwa , as needed
From 5 to 25 years
i
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REVISIONS
,august 22, 2016
County Comments
October 3, 2016
Sept. 18, 2015
1" = 30' F-iORZ
CONTOUR INTERVAL
2 FOOT
FILE NUMBER
8053
SHEET
7/7