HomeMy WebLinkAboutSUB201300045 Plan - Approved Drainage or Detention Plan and Comps. 2005-08-01SHEET
INDEX
TITLE SHEET
COVER SHEET I
GENERAL NOTES, DETAILS & EROSION CONTROL
NOTES & DETAILS 2
OVERALL POND LAYOUT & DRAINAGE AREA PLAN 3
PROPOSED SITE GRADING PLAN AND SECTIONS - POND 1 4
CROSS SECTIONS - POND 1 5
PROPOSED SITE GRADING PLAN AND SECTIONS - POND 2 6
PROPOSED SITE GRADING PLAN AND SECTIONS - POND 3 7
PROPOSED SITE GRADING PLAN AND SECTIONS - POND 4 8
I
DATE SHEET NUMBERS DATE SHEET NUMBERS
A
M AM a
SA U L MIU ER DISTRIC
u
t E
A L E Ma'a A rp'x4' L E C U TY VA
V ' c
"I 'IhITY MAP
It It IF 91'T ILI F L m F
L CORPOI� ATION
XLE A,
Immil 0 E I G Fwl" TS D
E'O%f
no"
RECENVED
JUN 17 2005
1-0
MUNITY DEVPI
ZONED:
T A
MOMM
4L,
- —SW�ftw Type
Reviewed and Approved by the
C. omil
_4 D,9volopfnent Depayi
Date:
4r
Ra-QURa.L r.REa
89-73,�9-73A,8S-7�S,8°-73C,89-73C1,89-73D
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GEL NO TD'S
I. OWNER \DEVEL OPER: BEIGH TS DEVELOPMENT CORPORATION
ci o MR. JUSTIN BEI GH TS
800 E. JEFFERSON STREET
CHARLOTTESVILLE, VIRGINIA 22902
TELEPHONE. (434) 245-0100
FAX: (434) 245-0500
2. TIMMONS CONTACT' MR. MIKE CLAUD, P.E. TELE (804) J79-6119
E-MAIL: mike. claudQtimmons. com
J. TAX MAP NO.: 89-73, 89-73A, 89-73B, 89-73C, 89-73C1, 89-73D
4. ZONING : R A RURAL AREA (EXISTING)
5. USE : SINGLE FAMILY RESIDENTIAL
6. ACREAGE 566.308 AC. (EXCL USI VE OF CEME7ER Y TRACT)
7. NUMBER OF LOTS : 37
8. CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND
UTTLI77ES SHOWN' ON PLANS iN AREAS OF CONSTRUCTION PRIOR TO STARTING
WORK. CONTACT ENGINEER IMMEDIA TEL Y IF LOCA TION OR ELEVA TION IS DIF-
FERENT FROM THAT SHOWN ON PLAN, IF THERE APPEARS TO BE A CONFLICT
AND UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THE PLAN.
LEGEND
--------- zoo ---------
EL= 240.55
CLEARING LIMITS
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED SPOT ELEVATION
EROSION CONI TT�QL 1IRGINIA EROSION & SEDIMENT CONTROL
SF X-- A SIL T FENCE J. 05
@ 44
ROCK CHECK- DAM
NM
ENRAL CONSTRUCTION NOTES
1. ALL CONSTRUCTION AND MA TERIALS SHALL CONFORM WI TH THE LA TEST EDI T1 ONS,
OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION'S ROAD AND BRIDGE
SPECIFICA71ONS AND ROAD AND BRIDGE STANDARDS, AS AMENDED BY
CONTRACT PROVISIONS AND THESE PLANS.
2. THE LOCA RON OF EXISTING UTILITIES ACROSS OR ALONG THE LINE OF THE PROPOSED
WORK /S NOT NECESSARILY .SHOWI'd.' ON THE PLAINS AND WHERE SHOWN IS ONLY
APPROXIMA TEL Y CORRECT. THE CONTRACTOR SHALL, ON HIS OWN INITIATIVE ANI , AT
NO EXTRA COST, LOCATE ALL UNDERGROUND LILIES AND STRUCTURES AS NECESSARY
THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANY DAMAGE TO UNDERGROUND
STRUCTURES THEREFORE, CONTRACTOR SHALL CALL "MISS UTILITY" TOLL FREE AT
1-800-552-7001 48 HOURS PRIOR TO CONSTRUCTION.
J. FOR RECOMMENDATIONS AND EXISTING SOIL CONDITIONS, REFER TO THE GEO TEC.H'NI CAL REPORT
PROVIDED BY TIMMONS GROUP.
4. IF DURING CONSTRUCTION; THE EXISTING ELEVATIONS SHOWN ON THESE PLANS ARE
FOUND TO DIFFER SIGNIFICANT_ Y FROM THE ELL -VA 770NIS IN THE FIELD,
THE CONTRACTOR MUST IN077FY TIE ENGINEER IMMEDIA TEL Y FOR AN
ADJUSTMENT IN ELEVATIONS.
S CLEARING AND GRUBBING IS To BE CONFINED TO TgOSE AREAS !NEEDED FOR
CONSTRUCTION. NO TREES OR SHRUBS IN UNGRADED AREAS ARE TO BE CUT
WI THOU 'I THE PERMISSION OF THE OWA R.
6. THE CONTRACTOR SHALL ACQUIRE ALL CONSTRUCTION PERMITS REQUIRED BY
THE LOCALITY.
7, ALL EXISTING STRUCTURES DISTURBED DURING CONSTRUCTION .HALL BE RLPLACELD
/N KIND BY CONTRACTOR.
8. WHERE CONFLICTS EXIST BETNIEEN THE CONSTRUCTION PLAINS, SPECIFICATIONS,
VDOT ROAD & BRIDGE SPECIFICATIONS, VDOT ROAD & BRIDGE STANDARDS, AND
THE VIRGINIA EROSION & SEDIMENT CONTROL MANUAL, CONTRACTOR SHALL
CONTACT THE ENGINEER FOR A RESOL U TION OF THE CONFLICT
9. CONTRACTOR IS RESPONSIBLE FOR PREPARING A CONSTRUCTION SEQUENCE TO BE
SUBMITTED AND APPROVED BY THE ENGINEER PRIOR TO THE START OF ANY CONSTRUCTION
ACTIVITY
10. CONTRACTOR SHALL BE RESPONSIBLE FOR DEWATERING ALL OF THE PONDS AND
MAINTAINING ACCEPTABLE WATER LEVELS THROUGHOUT THE DURATION OF
CONSTRUCTION ACTT VI TES.
CONSTRUCTIO.N NOTES
1. A QUALIFIED GEOTECHNICAL ENGINEER SHALL BE ON-SITE DURING ALL FILLING OPERA TIOINS.
CON7RACTOR SHALL NOTIFY GEOTECHNICAL ENGINEER 48 HOURS PRIOR To ANY FILLING
OPERA TIONS
2. MATERIAL USED FOR FILL SHALL BE SELECT MATERIAL FREE FROM ROCKS, ROOT MASS. OR
CLODS. FILL SHALL BE PLACED IN LiFTS NOT TO EXCEED 8" AND EACH LIFT SHALL BE
COMPACTED TO A MINIMUM OF 959 OF STANDARD PROCTOR. THE DES/GN HEIGHT Of- THE
EMBANKMENT SHALL BE INCREASED BY THE AMOUNT NEEDED TO ENSURE THAT THE DESIGN
TOP OF FILL ELEVATION WILL BE MAINTAINED AF7ER SETTLEMENT HAS TAKEN PLACE
3. CONTRACTOR IS RESPONSIBLE FOR HA MING BORROW IWIATRIAL TESTED FOR
SUITABILITY PRIOR TO PLACEMENT.
4. EXCA VA TED MA T ERIAL THA T IS UNSUI TABLE FOR USE AS FiLL AS DESIGNA TED BY THE
GEOTECHNICAL ENGINEER, SHALL BE DISPOSED OF AS DESIGNATED BY THE OWNER.
EROSION & SEDIMEN T CON TIROL MEASS:
STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE VIRGINIA
EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES iISED IN THIS SECTION CONSIST OF
THE FOLLOWING:
1. SILT FENCE, STANDARD AND SPECIFICATIONS 3.05 - SILT FENCE To Bi PLACED WHERE SHOWN ON THE
PLANS OR AS FIELD CONDITIONS WARRANT. SILT FENCE SHALL BE WIRiD - SUPPORTED ALONG
WETLAND AND STREAM AREAS.
ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE PLACED AS 71E FIRST PHASE OF ANY LAND
DISTURBING ACTIVITIES THEY SHALL BE CHECKED DAILY AND AFTER EAC, SIGNIFICANT RAINFALL EVENT:
THEY SHALL BE CLEANED, REPAIRED OR REPLACED AS NECESSARY THROUCHOU T THE CONSTRUCTION PHASE
OF THIS PROJECT. THE FOLLOWING ITEMS REQUIRE PARTICULAR CHECKING:
1. SIL T FENCE SHALL BE CHECKED REGULARL Y FOR UNDERMINING OR DETEPORA T/ ON OF THE FABRIC.
SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF THE SEDIMENT DEPOS;TION REACHES HALFWAY TO
THE TOP OF THE BARRIERS.
ER(OSION CON TIROL NOTS
I. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO Dc(NUDED
AREAS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION
OF THE SITE.
2. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED W7 THIN SEVEN (7) DA `� i` TO
DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WLL REMAIN DO?MANT
FOR LONGER THAN THIRTY (30) DAYS
J. DUPING CONSTRUCTION OF THE PROJECT, SOIL STOCK PILES SHALL BE STAr`ILIZED
OR PROTECTED WITH SEDIMENT TRAPPING MEASURES.
4. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH .AS
DAMS IMMEDIA TEL Y AFTER INSTALLATION.
5. EROSION AND SEDIMENT CONTROL DEVICES SHALL BE CONSTRUCTED AND INSTALLED
AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE
FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
6. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AP.E/5
NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL IOIT
BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IN TME
OPINION OF THE COUNTY ENGINEER OR HIS DESIGNATED AGENT, IS UNIFORM,
MATURE ENOUGH TO SUR V/ VE AND WILL INHIBIT EROSION.
7 IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO INSPECT EROSION CON 79L. DE VI CES
PERIODICALLY AND AFTER EVERY RUN-OFF PRODUCING STORM EVENT: ANY
NECESSARY REPAIRS OR CLEAN UP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION
CONTROL DEVICES SHALL BE MADE IMMEDIA TEL Y
8. ADDITIONAL EROSION CONTROL DEVICES MAY BE REQUIRED BY THE COUNTY
ENGINEER OR HIS DESIGNA TED A GENT IF DEEMED NECESSAR Y.
9. ALL EROSION CONTROL DEVICES SHALL BE IN PLACE AND FUNCTIONAL AT ALL
TIMES AND IF REMOVED FOR CONSTRUCTION PROGRESS, SHALL BE REPLACED 0Y
THE CLOSE OF EACH WORKDAY
10. FINAL REMOVAL OF EROSION CONTROL DE VICES SHALL NOT OCCUR UN 77L THE
COUNTY ENGINEER OR HIS DESIGNATED AGENT DEEMS THE SITE STABILIZED.
EPOSION CONTROL NOS
/ VES
EXISTING SITE CONDI 77ONS: AT PRESENT, THE MAJORITY OF THE S/TE_ E_ I S
WOODED WITH A COUPLE OF DIRT ACCESS ROADS. THE SITE TERRAIN iS
EXTREMELY .HILLY, MOST OF THE DRAINAGE FROM THiS SITE
DRAINS TO ONE OF THE FOUR EXISTING PONDS ON THE SITE. THERE IS A
STREAM SYSTEM ON THE PROPERTY CONNECTING THE PONDS AND
SERVING AS AN OUTFALL FOR DRAINAGE FROM 'THE PROPERTY.
OFFSITE LAND DISTURBANCE: THERE WILL BE NO OFFSITE LAND
DiSTURBAINCE ACTIVTY ASSOCIATED W17H THIS PROJECT:
S F SPECIFIC =ING IWTRES
FOR PIEDMONT AREA
SEEDING MIXTJRES°
Total Lbs. Per Acre
Minim um Care Lawn
-Commercial or Residential 175-200 lbs.
-Kentucky 31 or Turf- Type Tall Fescue 95-1007
-Improved Perennial Ryegrass 0-57
-Kentucky Bluegrass 0-5%
High-Mointenonce Lown 200-251 lbs.
-Kentuct:y ,711 or Turf- T}lpe Tall Fescue 1007
General Slope (3: for less )
-Kentucky 31 Fescue 128 lbs.
-Red Top Grass 2 lbs.
-Seasonal Nurse -Crop * 20 lbs.
150 lbs.
Low -Maintenance Slope (Steeper than .31.' 1 )
-Kentucky 31 Fescue 108 lbs.
-Rea` Top Grass 2 lbs.
-Seasonal Nurse Crop * 20 lbs.
-Crown vetch * 20 Ins.
150 lbs.
* Use seasonal nurse crop in accordance with
seeding dates as stated below:
February 16th through April. Annual Rye
May 1st through August 15th , Foxtail Millet
August 16th through October. Annual Rye
November through February 15th Winter Rye
** Substitute Sericea lespedeza for Crownvetch
east of Farmvi/let Va. (May through September
use hulled Sericeat al/ other periodst use
unhulled Sericeo). If Flatpea is used in lieu
of Crownvetcht increase rate to 3O ibs.facre.
All legume seed must be properly inoculated
Weeping Lovegrass may be added to any
slope or low -maintenance mix during wormer
seeding periods; add 10-20 lbs.%cre in
mixes.
1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS.
TRENCH UPSLOPE ALONG THE LINE
OF POSTS.
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520
510
500
540
530
520
510
500
EL=526. 00
PROPOSED CLASS
H RIPRAP ALONG rym
YU
PLUNGE POOL
Vi,
SPILL -1 KA Y DE TA IL
'A
SCA, LE.- 1 10'
V
TI
YPIL"'AL QFf1__`T/0,N
NOT TO SCALE
BLANKET DRAIN
AJIAI 7
E
I UNL
EXIS T � 5/
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VDOT GRI�Df -A
GROUND VDOT NO, 57
<
u
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MIA� THI
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z
0-1
GEOTEXTILE
6 0
FABRIC
GEOGRID
TI
YPIL"'AL QFf1__`T/0,N
NOT TO SCALE
BLANKET DRAIN
AJIAI 7
DATE
0
21412005
D�W
RAN BY
T LINVILLE
D:ES�IED By,,,,l 7
7
CHEZKEP,BY
SCALE
AS SHOWN
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-n
0
x
Q) 7
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<
u
z
0-1
6 0
F_
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E
Lu Z
3E
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0
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r,
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a
0
>
DATE
0
21412005
D�W
RAN BY
T LINVILLE
D:ES�IED By,,,,l 7
7
CHEZKEP,BY
SCALE
AS SHOWN
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-n
0
x
Q) 7
ra-A
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N
CN
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CD
C)
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LLJ
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0
0�
100—YEAR = 546.03----- ... . ...
i7o
70—YEAR = 544.47---r_
2—YEAR 543.30--
NWSE = 542.00
rj
C.
I if
J
560
550
SEE DETAIL B
ON SHEET 2 —
540
5,30
520
SCALE: (HORZ) 1"-- 10, 1
(vEp, T) -,' -= 10, 1
: - 7 .- _J I. I I A HA TCH LEGEND
1,4 -
A
I i i :1 1 1 1 oll,;191 I PROPOSED a,' -ASS // RIPRAP
PROPOSED CONCRETE
PROPOSED EC -3
MA TTINO
F , 771 1
EXISTING 'LAKE LIMITS
<
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0
IL!
-
I
iNOTE
EXISTwo GRADES ALONG BOTTOM,
>
uj M
OF POND 1 VARY IN DEPTH AND
LU
ARE APPROXIMA, TEL Y SHOWN ON
100—YEAS
546.0.3'
TOP OF DAM
547001
<
SE'�E
DETAIL C
THIS SECTION.
10—YEAR =
544.47
YVILI
z
0
SHEET 2
w -2 mo
<
<
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0
x
—PROPOSED
CONCRETE SP11
L VIA Y
N V-- 541.66
SEE
DETAIL D
INVERT ELE.I
VA TION = 52.00
Co
z
0
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,E 542.00
,W
z n -,u -
2— YEAR = 543.30
a)
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L_j
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LU
>
Lu
PROPOSED
CLASS
; I RAP
---A/ ONj�_=
OF DAM
: - 7 .- _J I. I I A HA TCH LEGEND
1,4 -
A
I i i :1 1 1 1 oll,;191 I PROPOSED a,' -ASS // RIPRAP
SEE SPILL WA Y DETAIL
Th`: S SHEET
p
. nLLqrk
NOTE`
C F -ACTOR TO LOWER
ONT
POND 1 WATER LEVEL AS
NECESSARY TO PROVIDE
AND MAINTAIN
CONSTRUCTION ACCESS,
T I—,
G_ R, A JPH I SCALE
20
0 10 20 40 80
A
N
IN FEET y
1 inch = 20 ft. r
Y PR OPOSED
j
A
-
if CLEARINC -_IMI TS
..........
_7
..........................
y_
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CLEARING 0, S'
EL =-'54700
In
Ir
E =54-2. 00
V,
A,
If
EEL -527.00.
EL=;,541.666"
J
If If
ELI
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\5
-
0
EL 52 7
J
EL=542.6o
7
J
7,
PROPOSED CLASS
SPILL VIX, Y DE TA IL Rlj:-i:?AF AlONG TOE
SCALE`t OF DAM
("RO"S'S SECTION A -A
THR OUGH SPILL [IVA Y
SEE- DETAIL A
ON SHEET 2
EL E V=-542. 0
—
16"
SECTION B -B
NO SCALE
COMPA C TED
FILL
I
FIL TER FABRIC
560
V
f JD
J
N 0 0"3 5
550
540
5.30
0
SFC _' _
/ C- C
NO SCALE
520
TOP D A h;=547.0
PROPOSED CONCRETE
PROPOSED EC -3
MA TTINO
F , 771 1
EXISTING 'LAKE LIMITS
SEE SPILL WA Y DETAIL
Th`: S SHEET
p
. nLLqrk
NOTE`
C F -ACTOR TO LOWER
ONT
POND 1 WATER LEVEL AS
NECESSARY TO PROVIDE
AND MAINTAIN
CONSTRUCTION ACCESS,
T I—,
G_ R, A JPH I SCALE
20
0 10 20 40 80
A
N
IN FEET y
1 inch = 20 ft. r
Y PR OPOSED
j
A
-
if CLEARINC -_IMI TS
..........
_7
..........................
y_
-PROPOSED
CLEARING 0, S'
EL =-'54700
In
Ir
E =54-2. 00
V,
A,
If
EEL -527.00.
EL=;,541.666"
J
If If
ELI
=541. 66
\5
-
0
EL 52 7
J
EL=542.6o
7
J
7,
PROPOSED CLASS
SPILL VIX, Y DE TA IL Rlj:-i:?AF AlONG TOE
SCALE`t OF DAM
("RO"S'S SECTION A -A
THR OUGH SPILL [IVA Y
SEE- DETAIL A
ON SHEET 2
EL E V=-542. 0
—
16"
SECTION B -B
NO SCALE
COMPA C TED
FILL
I
FIL TER FABRIC
560
V
f JD
J
N 0 0"3 5
550
540
5.30
0
SFC _' _
/ C- C
NO SCALE
520
TOP D A h;=547.0
DATE
0
/4122 00 5
DRAWN BY
T LINVILLE
DESI- D
k -7 CHECKED BY
lei
SCAl F
AS, SHOWN
F_
E
<
I—I
0
IL!
Z:
>
uj M
LU
<
wu
w -2 mo
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I—I
0
x
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L_j
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LU
>
Lu
af
(Al
C
D
0
>
L.0
CL
<
7F
>
I n,
L
DATE
0
/4122 00 5
DRAWN BY
T LINVILLE
DESI- D
k -7 CHECKED BY
lei
SCAl F
AS, SHOWN
F_
JOU
SCALE. (HORS) I
'o'
0�
6 (VERT) 1 10'
HA TCH LEGEND
77-
i
PROPOSED CONCRETE
En"
PROPOSED EC -3
n,
0
:ft
IIIA TITING
I F
E.,X1 TING LAKE LIMITS
i
SEE DETAIL B
PROPOSEJ, CONCRETE
�
N
0 1 2
L TOP
NOTCH VIE/ WALI
EET
I �L
7
ELEVA PON = 614.00
P OF DAM
67&.00
WD THSEE
DETAIL C�
c 2
,AFAR 616.49
I
_q
T
t
EAR 614.98
T .. . ...
O
T
7%
SLOPE
'5
PROPOSED
GRADE
0SE
PROPOSED
CONCRETE SPILL
WAY
L
DIT'TAIL D
INVERT ELqVA
TION 62.00
-)L
ON!
SHEET 2
PROPOSE
CLASS II RIPRAP
EX IS-Nlc
c,�111_)UND
-
I PLUNGE
POOL
i I
1
i-7
FIL TER
�FA3RIC
JOU
SCALE. (HORS) I
'o'
0�
6 (VERT) 1 10'
HA TCH LEGEND
77-
i
PROPOSED CONCRETE
En"
PROPOSED EC -3
n,
0
:ft
IIIA TITING
I F
E.,X1 TING LAKE LIMITS
-z 11 �i r) 8"
EC TION D -D
NO SCALE
(-//V/ t- Lu
FILL
t WWF
SLAB
)E
CROSS SECTION A -A
THROUGH SPILL M//A Y
6 TYP.
7
TOP VVALL=614.0
c/k,
X
EL E1/= 612. 0
r-
x—x—x—x—
L
5 EDEI IL A L COMPA C TEE,
ON SHEE T/ 2 X
10'
SLS -CTION B -B
NO SCALE
MAN
620
610
W#j
WOM
MR
TOP DAM= 618.0
E -L 588.00
EL 588.00
f_fl7_c_//0/lv C -C
NO SCALE
SPILL WA Y DETAIL
SCALE: 1"-5'
POND 41 SP// L[11A Y DE7ElL
PROPOSED CLASS II
RIPRAP ALONG
PLUNGE POOL
++
No, 0335S5
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ui
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LU
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LU
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of DATE
0
21412005
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CHECKED BY
eY
x,
SCALE
AS SHOWN
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c:
coo
0
ul
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CL
Uri
LU,
>
u
LL V<
17
LIJ0, 0
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