HomeMy WebLinkAboutWPO201400012 Plan - Approved 2014-02-19GENERAL NOTES:
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNING / ZONNING
OWNER /DEVELOPER:
MARCH MOUNTAIN PROPERTIES I LLC(BLOCK 1) CONTACT. DAVE BROCKMAN
ENGINEERING
1005 Heathercroft Circle, Suite 100 OLD TRAIL VILLAGE
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Crozet, VA 22932 CELL: (702)- 985 -9088
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dave0old trail village. com
PLAN PREPARER:
ROUDABUSH, GALE, & ASSOCIATES
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914 MONTICELLO ROAD
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CHARLOTTESVILLE, VA. 22902
ALBEMARLE COUNTY SERVICE AUTHORITY
(434)- 977 -0205
TAX MAP PARCEL No:
A PORTION OF 055EO- 01- 00 -000A1
ZONING:
NEIGHBORHOOD MODEL DISTRICT IN ACCORDANCE WITH PROFFERS
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OF ZMA -04 -024 APPROVED ON SEPTEMBER 14, 2005
USE:
TOPSOIL SOCKPILE AREA
BUILDING HEIGHT.
N/A
DRAINAGE DISTRICT.
LICKINGHOLE CREEK
WATERSHED:
SLABTOWN CREEK
TOPOGRAPHY:
LOUISA AERIAL SURVEYS, AUGUST 2012
DATUM:
VERTICAL — NAVD 88, HORIZONTAL — NAD 83
CRITICAL SLOPES:
NO CRITICAL SLOPES EXSIST WITHIN THE PROJECT LIMIT
FLOODPLAIN:
THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS AS SHOWN ON FLOOD
INSURANCE RATE MAP COMMMUNITY PANEL NUMBER 510006 0237 D.
EFFECTIVE DATE: FEBRUARY 4, 2005.
LANDSCAPING:
N/A
WETLANDS:
THERE ARE NO WETLAND IMPACTS ASSOCIATED WITH THIS DEVELOPMENT.
WPO BUFFER:
THERE ARE NO WATER PROTECTION BUFFERS TO BE IMPACTED WITH THIS PLAN.
OLD T RAI L VI LL/kG E
BLOCK 22
EROSION CONTROL PLAN
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BLOCK 22 VICINITY MAP
SCAM: 10 =1000 FEET
GENERAL CONSTRUCTION NOTES PURPOSE OF THE PLAN
1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT -OF -WAY, INCLUDING CONNECTION TO
ANY EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION THIS PLAN IS AN EROSION AND SEDIMENT CONTROL PLAN FOR THE TEMPORARY STOCKPILING
(VDOT). THIS PLAN AS DRAWN MAY NOT ACCURATELY REFLECT THE REQUIREMENTS OF THE PERMIT. WHERE OF TOPSOIL AND FILL MATERIALS FOR USE WITHIN THE ONGOING DEVELOPMENT AT OLD TRAIL VILLAGE. L 'H op
ANY DISCREPANCIES OCCUR THE REQUIREMENT OF THE PERMIT SHALL GOVERN. ���� Dry
2. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AD STANDARDS 3 - Z? " ZdI9 0,,
OF VDOT UNLESS OTHERWISE NOTED.
3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION
v �
CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION.
C risto er C. Mu i n
4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED, AND MULCHED.
Lic. No.
5. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL: VERTICAL). WHERE REASONABLY OBTAINABLE, LESSER rd 031672 w�
SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED.
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6. PAVED, RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF COUNTY
ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL.
7. TRAFFIC CONTROL SIGNS SHALL CONFORM TO THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES.
8. UNLESS OTHERWISE NOTED, ALL CONCRETE PIPES SHALL BE REINFORCED CONCRETE PIPE -CLASS III.
9. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR CONSTRUCTION
INDUSTRY (29 CFR PART 1926).
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SHEET IND
EX
SHEET y ---- - - - - -- COVER SHEET
SHEET 2 ---- - - - - -- SOILS &. EXISTING CONDITIONS
SHEET 3 --- - - - - -- PHASE I EROSION CONTROL PLAN
b
SHEET 4 - - - - - -- -- EROSION CONTROL NOTES`& DETAILS
FILE COPY
This copy of the approved plan is
reserved for the official files of
Albemarle County. Please do not
remove this plan from the file.. —
APPROVED
by the Albemarle County
Community Development Department
Date -4- t(- zor�_
File tr ��F r,,_ , �
APPROVALS DATE
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNING / ZONNING
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INSPECTIONS
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ARCHITECTUAL REVIEW BOARD
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' MARCH MOUNTAIN PROPERTIES, LLC /
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QUANTITY
KEY NO. PROJECT SYMBOL
CONSTRUCTION
O 3.02 1 EA. ENTRANCE
P 3.03 2 EA. INLET PROTECTION
SF 3.05 080L.F 7N(� N(C SILT FENCE
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PROTECTION`
SRH TS TEMPORARY SEEDING
\ \ �0' LANDSCAPE EASMENj\
PS PORTION OF TM P 55E- 1 -A 1 \
OF❑PS 3.32 PERMANENT SEEDING Ca ! O ' Y � / -�- �_ � / D.B. 3442 pp. 188-194
Q \ MARCH MOUNTAIN PROPERTIES _ /
R VARIABLE WIDThN _ F OF 8 TREE PROTECTION \ \ \ / / D. U. 2233 389 �" _ — �� P• DRAINAGE EASEMENT — \ 69
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SEQUENCE OF CONSTRUCTION: �yh \ \ _ -� — ZONED: NMD
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1. INSTALL CONSTRUCTION ENTRANCE.
OF SLOPES. SEED AND STABILIZE ALL DENUDED AREAS. _ –� \
/ D.B. 3442
2. INSTALL SEDIMENT TRAP PLACING SILT FENCE AT THE TOE Pp'
INSTALL INLET PROTECTION, INSTALL DIVERSIONS AND
TEMP. CHANNEL INTO ST #1. DIVERT ALL RUNOFF INTO TRAPS AS SHOWN.
AND ONSITE STOCKPILE AND GRADING OPERATIONS.
3. AFTER DIVERSIONS ARE INSTALLED, COMMENCE WITH CLEARING
4. MAINTAIN TOE OF SLOPE AND STOCKPILE AREA WITH SILT FENCE.
MULTCH, LIME AND FERTILIZER TO ESTABLISH SOIL STABILIZATION. % \
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5. COMPLETE ONSITE FINE GRADING AND APPLY STABILIZATION SEEDING, 1 n , � \ \ D.B. 3442 pp. 188 -194 / � 12» ATERL -
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TEMPORARY SEEDING MIXTURES
FOR THE PIEDMONT AREA Ts
TABLE 26
TEMPORARY SEEDINGS BY RATES, DEPTHS, AND DATES
Beading Rate Planting depth 36 Seeding zones 37 and Seeding Date 38
Species 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 8/14 11/15 5/31 7/31 10/31
Choose one:
Maintenance Fertilization for Permanent Seedlings
Use Soil Test Recommendation or Rates Shown Below
Seeding Mixture
Formulation
Lbs. per
BY
Time
Mowing
BY
- SEASONAL NURSE CROP*
Acre
BY
Barley
2.5 bu.
2.80
1 -2
X
-
10/15
X
up 70% or more
10115
X
OUTLET 'LENGTH
10/1
Oats
3 bu.
2.21
1 -2
X
-
-
X
NOVEMBER 1ST THROUGH FEBRUARY 15TH
-
X
Spring the year
-
Rye 39
2.5 bu.
3.22
1 -2
X
-
X
X
400
X
I X
crownvetch
X
Barley or
ORIGINAL
Cr L0
years thereafter.
GROUND
U
ELEV.
Not required. not
Fairly uniform
Rye Plus
150 lbs.
3.45
1
x
x
10/15
X
X
10/15
X
X
10/1
Foxtail
every
ment and eve 4 -5
desired, and then in
lespedeza, or
X
X
X
X
X
X
X
X
X
millet 40
matured.
a
P040
Not required. not
weeping lovegrass
Spring the year
Weeping
4lbs.
0.09
114 -119
X
occasional mowing is
-
I X
500
11.5
X
desired, and fall
lovegrass 41
Annual
ryegrass 50 lbs. 1.15 1/4 -1/2 X - 11/1 X - 11/1 X - 8/15
Millet 42 50 lbs. 1.15 1/2 X X - X -
36 Applicable on slopes of 3:1 or flatter
37 Refer to figure A - Adopted from USDA, AIRS Miscellaneous Publication #1475, January 1990
38 Between fall and spring seeding dates, use mulch only if ground is frozen and reseed when thawed
39 May be used as a nurse crop for late fall /early winter permanent seedings, add 56 lbs/ac.
to the permanent seeding mixture
40 Maryland State Highway Administration Temporary Seed Mix
41 May be used as a nurse crop for mid - summer permanent seedings. Add 2 lbs/ac
to permanent seed mix.
42 May be used as a nurse crop for mid - summer permanent seedings. Add 10 Ibs /ac.
to the permanent seeding mix.
PERMANENT SEEDING Ps
FERTILIZATION &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
2 LBS.
- SEASONAL NURSE CROP*
Acre
1000 sf
TOTAL 150 LBS.
LOW- MAINTENANCE SLOPE (STEEPER THAN 3:1)
Tail fescue makes
10 -10 -10
500
11.5
Yearly, or as needed
'Not closer than 3"
up 70% or more
or
20 LBS.
OUTLET 'LENGTH
TOTAL 150 LBS.
if occasional mowing
of cover.
30 -10 -10
400
9.2
fall
is desired.
. . . . . . . . .ANNUAL RYE
NOVEMBER 1ST THROUGH FEBRUARY 15TH
. . . . . . . . . . ANNUAL RYE
** SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH
Spring the year
Do not mow
Crownvetch
SERICEA.)
5.0
IF FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE RATE TO 30 LBS. /ACRE. ALL
following establish -
WEEPING LOVEGRASS MAY BE ADDED
Service lespedeza
0 -20 -0
400
9.2
ment and every 4 -5
crownvetch
Birdsfoot trefoil
cc
ORIGINAL
Cr L0
years thereafter.
GROUND
U
ELEV.
Not required. not
Fairly uniform
Cc IL
Fall the year
closer than 4" if
stand of tall
0 1
W N
r
following establish-
occasional mowing is
fescue & service
5 -10 -10
500
11.5
every
ment and eve 4 -5
desired, and then in
lespedeza, or
Z
years thereafter.
fall after seed has
birdsfoot trefoil.
matured.
a
P040
Not required. not
weeping lovegrass
Spring the year
closer than 4" if
& serice lespedeza
following establish-
occasional mowing is
fairly uniform
5 -10 -10
500
11.5
ment and every 3 -4
desired, and fall
plant distribution
Y ears thereafter.
after sericea has
matured.
September,
Mow no closer than
Red & chewings
20 -10 -10
250
5.8
30 days later
2" for red fescue
fescue, Kentucky
and Ky bluegrass;
bluegrass, hard
December,
and closer than 3"
fescue mixture:
20 -10 -10
100
2.3
May 20- June -30,
for fescue.
if needed.
PERMANENT SEEDING MIXTURES
FOR THE PIEDMONT AREA PS
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.
_ - - - - -
TOTAL 150 LBS.
LOW- MAINTENANCE SLOPE (STEEPER THAN 3:1)
2.0
- KENTUCKY 31 FESCUE
108 LBS.
- RED TOP GRASS
2 LBS.
- SEASONAL NURSE CROP*
20 LBS.
- CROWN VETCH **
20 LBS.
OUTLET 'LENGTH
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.)
5.0
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.
MAX. DEPTH = 4'
Repairs and Maintenance
Inspect all seeded areas for failures and make necessary repairs, replacements, and re- seeding within
the planting season.
i. Once the vegetation is established, the site shall have 95/1. groundcover to be considered
adequately stabilized.
ii. If the stand provides less than 407. ground coverage, reestablish following original lime, fertilizer,
seedbed preparation and seeding recommendations.
iii. If the stand provides between 407. and 947o ground coverage, overseeding and fertilizing using
half of the rates originally applied may be necessary.
iv. Maintenance fertilizer rates for permanent seedings are shown in Table 24.
MAINTENANCE LOG:
SILT FENCE OUTLET DETAIL EP
(SPECIAL DESIGN) SILT
FENCE
T12" EXIST.
GROUND ��
ELEV. ft�
10' OUTLET CROSS SECTOIN
PERSPECTIVE VIEW
- EXIST.
GROUND
EMBA NKMEN T
(FEE T)
DA
I� w I
AC.
WET VOLUME
201
CY
H
HO
W
_ - - - - -
1.5
0.5
2.0
38
2.0
1.0
2.0
FT
2.5
1.5
2.5
OUTLET 'LENGTH
3.0
2.0
2.5
428
3.5
2.5
3.0
Ho H 4.0
3.0
3.0
DIY VOL. EL
4.5
3.5
4.0
fli
5.0
4.0
4.5
�- EXCAVATED AREA
"
W W
MAX. DEPTH = 4'
Q
C-4
_J
ON
cc
ORIGINAL
Cr L0
w
GROUND
U
ELEV.
MAJOR GRADING ACTIVITIES I DATE I STABILIZIZED CONSTRUCTION AREAS I DATE MAINTENANCE OF CONTROLS /ADDITIONS I DATE I RAINFALL I WEEKLY INSPECTIONS
SUPER SILT FENCE CONSISTS OF 2 ADJACENT FENCE SECTIONS SEPARATED 1 -1.5 FEET.
S MAIN [I
1. SET THE STAKES.
6'MP
FLOW
J. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
i
F A SILT FENCE
SUPPOR
2. EXCAVATE A 4 "X 4" TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
4. BACKFILL AND COMPACT
THE EXCAVATED SOIL.
FLOWr
G
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
i
POINTS A SHOULD BE HIGHER THAN POINT B.
ORAINAGEWAY INSTALLATION
(FRONT ELEVATION) PLATE 3.05 -2
SOURCE. Adapted from Installation of Straw and Fabric Flter Barriers for Sediment Control,VA. DSWC
Sherwood and Wyanf
TEMPORARY SEDIMENT TRAP
1' VARIABLE*
FT
ORIGINAL
/GROUND
ELEV. (M� _ ___7
* SEE PLATE 3.13 -1
67 CU. YD. /ACRE
67 CU. YD. /ACRE
(EXCAVATED)
N
a I VARIABLE*
4' MAX. \
FILTER CLOTH ORIGINAL
GROUND
ELEV.
COARSE AGGREGATE I RIPRAP
CROSS SECTION OF OUTLET
CLASS I RIPRAP LENGTH (IN FEET) =
6 X DRAINAGE AREA
(IN AC.)
DIVDIKEON
COARSE AGGREGATE
EXCAVATED
AREA FILTER CLOTH
-ice'
* *COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5
OUTLET (PERSPECTIVE VIEW)
Albemarle County Design Standards Manual
(10 -22 -2012)
General construction notes for Erosion and Sediment Control plans
• 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.
• 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 VR 625 -02 -00 Erosion and
Sediment Control Regulations.
• All erosion and sediment control measures are to be placed prior to or as the
first step in clearing.
• A copy of the approved erosion and sediment control plan shall be maintained
on the site at all times.
• 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.
• 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.
• All disturbed areas are to drain to approved sediment control measures at all
times during land disturbing activities and during site development until
final stabilization is achieved.
• During de- watering operations, water will be pumped into an approved
filtering device.
• 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
immediately.
• All fill material to be taken from an approved, designated borrow area.
• 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.
• Borrow or waste areas are to be reclaimed within 7 days of completion per
Zoning Ordinance section 5.1.28.
• All inert materials shall be transported in compliance with section 13 -301 of
the Code of Albemarle.
• Borrow, fill or waste activity involving industrial -type power equipment shall
be limited to the hours of 7:00am to 9:OOpm.
• Borrow, fill or waste activity shall be conducted in a safe manner than
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 o slides, sinking, or collapse.
• The developer shall reserve the right to install, maintain, remove or convert
to permanent storm -water 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.
• 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
consist of Annual Rye, or May through August to consist of German Millet.
Straw mulch is to be applied at 80lbs /i00sf. Alternatives are subject to
approved by the County erosion control inspector.
• Permanent stabilization shall be lime and fertilizer, permanent seeding, and
mulch.
1. Agricultural grade limestone shall be applied at 90lbs /i000sf, incorporated
into the top 4 -6 inches of soil.
2. Fertilizer shall be applied at 1000lbs /acre and consist of a 10 -20 -10
nutrient mix. Permanent seeding shall be applied at 180lbs /acre and consist
of 95% Kentucky 31 or Tall Fescue and 0 -5% Perennial Ryegrass or Kentucky
Bluegrass.
3. Straw mulch is to be applied at 801bs /i00sf. Alternatives are subject to
approved by the County erosion control inspector.
• 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 re- seeded 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.
• 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.
• This plan shall be void if the owner does not obtain a permit within 1 year of
the date of approval. (Water Protection Ordinance section 17- 204G.)
• Permanent vegetation shall be installed on all denuded areas within nine (9)
months after the date the land disturbing activity commenced. (Water
Protection Ordinance section 17- 2076)
SOURCE: VA. DSWC PLATE. 3.13 -2
GENERAL EROSION AND SEDIMENT CONTROL NOTES
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 SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS
VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS.
ES -2: 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.
ES -3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN
CLEARING.
ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL
TIMES..
ES -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
REVIEWING AUTHORITY.
ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES
NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN REVIEWING AUTHORITY.
ES -7: ALL DISTURBED ARIES ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND
DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION HAS BEEN ACHIEVED.
ES -8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE.
ES -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 IMMEDIATELY.
SEDIMENT TRAP SIZING,
DESCRI I PTION
ST I
DA
3.
AC.
WET VOLUME
201
CY
DRY'VOLUME
201
CY
REQUIRED VOLUME
402
CY
SIZE (1t)
38
FT
(L)
78
FT
(D)
6.0
FT
OUTLET 'LENGTH
18
FT
PROVIDED VOLUME
428
CY
BOTTOM TRAP EL
070.00
WET VOL. EL
.679.00
OZOUJ--
DIY VOL. EL
081.00'
TOP OF BANK
682.00
�Z,'tH OF `r+�
o n �
t� (y y
Christ pher C. Jigan
w Uc. No.
�i'1,d ,,,� 4 031672 �ri4
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REVISIONS
DATE
MARCH 27, 2014
SCALE
AS SHOWN
CONTOUR INTERVAL
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P040
REVISIONS
DATE
MARCH 27, 2014
SCALE
AS SHOWN
CONTOUR INTERVAL
2 FOOT
FILE NUMBER
8053
SHEET
40F4
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FILE NUMBER
8053
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