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t--�a-T R IrBUTAR Ii �O
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CARROLL
FLOob ELEV. FLOOD ELEV.
287 20 291 311
21
287
339
2.1 287 ''..22
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3 3 8
287 30
4 287 24 320
6 jj�,X
25 340
287 4.1
5 287 298
27 320
6 :�87 28 349 0010"
290 6.1 292 29 293
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295 30 .308
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COUNTY OF ALBEMARLE
DEPARTMENT OF ENGINEERING t
GENERAL CONGTRUCTION.NOTES
REVISED. March 1, 1992
1. Prior to commencement of any construction within any •existing
public right-of-way, including connection to any (existing road
a'permit for said construction shall be obtained ifrom-the
Virginia Department of Transportation (hereafter abbreviated V.D.O.T.).
2. All paving and drainage related materials and construction
methods shall conform to current specifications and standards
of V.D.O.T. unless otherwise noted.
3. Erosion and siltation control measures shall be provided in accordance
with the approved erosion control plan and shall the installed
prior to any clearing, grading or other construct:ion.,
4. All slopes and disturbed areas are to befertilizEed, ' eded
.and mulched. Maximium allowable fill or cut slope is 2:1.
Where reasonably obtainable, lesser slopes of 4:1 or
better are to be achieved.
!
5. -All drainage inlets shall have a 2-inch local deprressxon.
6. Paved, rip -rap or stabilization mat lined ditch may be;required
when in the opinion of the Albemarle County Director of
Engineering, or'his designee, it is deemed necessary
in order to stabilize a drainage channel.
7. All traffic control signs shall conform with the 1Virgnia
Manual for Uniform Traffic Control Devices, latest edition.
a
8. Unless Otherwise noted all concrete pipe shall be
reinforced concrete pipe - Class III.`
9. All excavation for underground pipe installation rmust'
comply with OSHA Standards for the Construction
Industry (29 CFR Part 1926) .
In addition to -the above notes the following statement must'
be included on all site plans which require V.D.O.T. approval
The statement must be signed by the developer, of the property
prior, to tentative site plan approval.
We the undersigned developers) understand that. approval
of this plan by the County of Albemarle does not necessarily
indicate Virginia. Department of Transportation (V.-.D.0.T.)
approval of the plan. Approval of -the plan bW the County
does not in any way relieve me of my responsibility in
obtaining final VDOT approval prior to the issuance of F
,-2nd,1cr- ace4-- i f lcatco of- cJacupanay-- - -
DEVELOPER DATE
GENERAL WATER AND SEWER CONDITIONS `NOTES:`
1. Work shall be subject to ins action bi the* Albemarle Count I.
7 P Y Y The entire area to be occupied by the dam embankment ' hall be stripped to
Service Authority inspectors.- The contractor will be a sufficient depth to remove all vegetation and unsuii table material, as •
responsible for notifying the proper service author'
P Y g p P authority determined by the engineer. The area of water storage up to the design high
officials at the start of the work. '}
water elevation shall be cleared of all vegetation.
p
2.
The location of existing utilities across the line of
the proposed work are not necessarily shown on the plans
2.
'The cutoff trench shall be excavated to bedrock (hard unweathered Phylli tes)
and where shown, are only approximately correct. The
and back.filled with dam construction material. The bottom of the ' trench
contractor shall on his own initiative locate all
should be inspected to be sure it has been excavated to the hard Phy llite and
underground lines and structures as necessary..
all loose materials removed before filling. The bottom of the cutoff trench is
3.
All meterials and construction shall. comply with General
to be at least 10 feet wide. Y1
.t
Water and Sewer Construction Specifications as; adopted
i5
by the Albemarle County Service Authority on ,January 20, 1983,
3.
New reinforced concrete pipes shall be laid under the dam embankment with
amended July 1, 1989.
.risers and inlets as shown. The pipe under the embankment shall have,
4.
Datum for all elevation shown in National Geodetic Survey.
precast seepage collars as shown.
5.
The contractor shall be resposible for notifirng
4.g
Soils ova -site ate lar el y, unsuitable for dam construction. Fill materials for
"Miss Ut i 1 t i y " (1--800-552- 00 :1) .
the dam shall be obtained from a source approved by the engineer.
6.
All water and sewer pipes shall have a m i m i mu rm of
h rv`
Compaction shall be minimum of 95%' in accordance iwith the Adnerican
Society for 'besting and Material (ASTM) D-698 and within 2 % of optimum
3 feet of cover measured from the top of pipe, over the
centerline of the pipe, This includes all f ire hydrant
moisture content. Maximum lift height of material shalll be 8 inches loose
lines, service laterals and waterlines, etc.
'
thickness. `where deemed necessary b the Albemarle Covent Department of '
ry Y y p y
Engineering (ACDE), compaction test results shall be suipplied periodically
7
20' wide easements, centered on the pipeline and appurtenances
during the course of construction to the ACDE to ensure compliance with the
.-,,shall
be dedicated to the Albemarle County Ser-vice Authority,
design. Soil classification data (gradation and Atterbeirg limits) shall be
except where the line is in a public road right-of-way
secured for the soils actually used in the dam.
or an access easement, in which case the access easement
shall also be dedicated as a utility easement.
.156
The foundation for the outlet structure under the darn shiall be excavated to
8
3' mimirnum se arat ' on r ' r d b t 4- 1'
th • tt
e q u e e we e n wa e r 1 n e and a wea iered F yllite and any fill required to bring the excavation to '
storm sewer culverts or 6" separation when -waterline foundation elevation shall be compacted to at least 95 piercent of optinium
is insulated. Use 1/2" thick Therma--Cel Pipe Insulation density according to ASTM method D-698. - APPROVALS
tin 3'x 4' sheets as manufactured by Nomaca, Inc . or i
equally approved -by Albemarle County Service Authority.
Insulation to extend 5' beyond centerline of culvert in both 6. Any soft soils in the floodplain shall be removed. Any softsoil not removed .
directions or 5' beyond ends of culvert when piarallel . in stripping the foundation shall be removed -and rreplaced with well
compacted soil.
9. Touch read meters are being used by the Albemarle County
Service Authority. To accommodate these meters, meter lids ;, A-kF
FED
will require a 1 3/4" hole taped into the center of the lid. OV
t-T"^
Blind taps or plugs shall be provided to prevent debris ,�; �p.�, Albemarle County Enginearing Public "Works
from entering the box prior to meter installation. is 'a �CY �r- �-�� '� Date:Fil
10. All water and sewer appurtenances are to e to CS
PP b Gated
c�iT-hornas Gale >outside of roadside ditches.,By:
Lip;. No. i 443B _ .Qii.rd..,'
11. Certification that 95% compaction is obtained shall be -�
provided for all fill areas under water and sewer lines
and appurtenance This certifceclsh�ab z��ny arofessional ueologist. it tdd
state the exact area that the certification applies to.
RECEIVED
12, Valves on deadend line shall be rodded to provide adequate
restraint for the valve during a future extension of the line.
Engineering & Public V-1011
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REVISIONS
11/13ID7 Ek6. CO,041E,Vt5
11/lS/J7 EVG COWNEUT5
DATE
APRIL 28, 1997
SCALE
HOR : 1" = 50 '
VERT: 1 " = 10 '
CONTOUR INTERVAL
2 FEET
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FILE NUMBER
No. 387
GLEN-41.PRO
D1 UBA N1V L'L
(TO BE LINED WITH NON -ERODIBLE LINER)
FLOW
FORMER LOCATION
OF FLOW BARRIER r}
7' ZO' ROADGY,4Y 7' � `
ZIGV4
GslLr FENCE 1 /y¢�; , RECOMMENDED 'SLOPE 6:I SEE PLATE: 3.25-2
i/_ HIGH WATER LEDGE MINIMUM 2 1
FOR CROSS-SECTION
4' TO 6' WIDE A -A
3 SLOPE TOWARD LAKE FOR
DRAINAGE AT 1% MINIMUM
( SEE NOTE A )
VEHICULAR STREAM
* ' 10 % MAXIMUM � i
541�5NOUL DER TO 5AIDUL DER) -
Z( RO,4DW,4Y (SEE ROAD TYP/CAL 5E-CT/ON 45OVE) NORMAL POOL ELEVATION CROSSING, STD.
12 TO 18 ABOVE (TO 8E LOCATED AT `� �jr PLACE
ORIGINAL STREAMBED RIPRAP
I FOR INITIAL CROSSINGS) .�
LOGY POIAIT LU ROAD C` _ _ I WATER SURFACE 1( AT
3so— 349. 93`' ~NOTE A: THIS WILL NOT BE .
- o ao" To a6" BELOW
NECESSARY IF THE PERMANENT f 1
TO BE F/ELF O� TE.QM/.UE4 tV
ay GEOLo�/ter o o WATER suRFACE PIPE INSTALLATION DOES NOT
TOP R/5ER= 34G.0 REQUIRE CROSSING THE TEMP_
Q
ORARY DIVERSION CHANNEL.
54FETY LEDGE °340.0— v REQUIRED SLOPE /
340— W Q'� 2 1 MINIMUM
(SEE DETA/L) (v FLOW BARRIER
NORMAL POOL LEDGE A
'
y Q�� 4 TO 6 WIDE �
Q 1` SLOPE TO SLOPE TOWARD SHORE AT 5%
48" R/SER �k�W BE STABLE
W Z 2: I MINIMUM TO DETER PEOPLE OR OBJECTS FROM /
W `�� SLIDING INTO DEEP WATER � / ORIGINAL
STREAM/ BED
33 0 U / /
ki
REF: UCTROPOLITAN SANITARY NOTE: SAFETY LEDGES REQUIRED 1 / BaeeELE�
DISTRICT OF GREATER cNlcAoo ONLY ON RETENTION BASINS
320— WITH A PERMANENT POOL.FLO. .
A /`I? /GYM'- Z4" RCP (CLA.5S III) SHEET I of I COUNTY OF ALBEMARLE 11
, o - •. 1
@ /.00 /o DEPARTMENT OF ENGINEERING SCALE. NOT TO SCALE \ f
DATE: AUGUST 12, 1987 401 McINTIRE ROAD
3/O — ,' CHARLOTTESVILLE, VIRGINIA 22901-4596
DRAWN BY : SWC
: REVISED:OCTOBER 28,1987 (e04) 296-5861
3.145 ' - Z4" RCP (CLASS 1Z)
/. 00 % Q
' FLOW BARRIER
• \ (RIPRAP, SANDBAGS.
RETENTION POND SAFETY LEDGE BARRIERS OR SHEET
- .. PILING)
/0 ' V /"_ .50'// FORMER LOCATION PLACE RIPRAP
OF . FLOW BARRIER AT TRANSITION
PERSPECTIVE 'VIEW
TYPE B DIVERSION
RIPRAP FILTER CLOTH
ALL FILL MATERIAL MUST BE BROUGHT FROM
THE GREENS COUNTY QUARRY UNLESS A EZIsnNc GROUND ?� /"�*EXIS
n TING GROUND
&.Y.a•_ , SUBSEQUENT PLAN IS APPROVED FOR ANOTHER
_ M
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.�.PECA�T..CoA/CPETE A�/T/- !/O.PTEX
_ BORROW SITE
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(PROVIDE NON -ERODIBLE LINER FOR MINIMUM
-� — CHANNEL DERTH OF 1.5 FEET.)
P L TN
gFETY LEDGE V J. Thomas Gale >
3¢0.00 =-I TEMPORARY CUL VE'R.T ul L 0�'fS'11VG= Lic. No. 1443F�
r ( SEE NOTE -A)
.�LO>^/ \ B9.4PEL PIPE t�
Cf/A�/A/EG 3, CAIPACTTY OF PIPE CULVERTS
L —� FLOW
VDOT J 1 TOGETHER = FLOW
COARSE AGGREGATE 6" DEEP' � '�:,;�:.•,��"
P4EC9�T . /O ZO` 20' 1OF P
/2 IPE ORTER EARTH COVERED
M9AJ!/OLE Y'//rN �� WHICHEVER IS12,' t BY LARGE ANGULAR
O- 4/��/G GHSXET GREATER ROCK
✓o%LrT� I � c�yS� I.e/�,2AP ,
fRECAJ 7- o.P C9_:5�T- /A/- GLACE
Con/C.4ETE `�'
�EEP9GE s
C'OGL.9.43 n -
•3CnG'xG'x
SEAL C9�/
/n/ BASE
3/9.02 2¢.,
I B9,P.2EL
P/PE
Al. / . 5.
50' ROW
/O '
reE.vcH
�OEP7H TO BE
OE TERM/A/EO
V,907- 3, W 3.57 9,- � 5
Co�,e�E gG0,0E0-,) IE
1.
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VDO
AGG
\ ONERSION AND
OR SWALE
FILTER CLOTH I
ELEVATION
;3
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DIVERSION AND/ /
OR S`NALE
PLAN VIEW
CULAR
_R
.L
' MPORARY SEDIMENT TRAP
t• vutvlelF•
HELEI/•
f/a ELEV.
I •.uwtAeLE
GROUND
ELEV
87 CU. t04ACRE
�� I ORy jTO.QAGE
�1 �i
VARMLE•
57 CU. YO./ACRE
(EXCAVATED)
wer �TO.C'gGE
FLTFR CLOTH ORIGINAL
GROUND
ELEV.
-SEE FATE 3.13-1
COARSE AGGREGATE- CLASS I RIPRAP
CROSS SECTION
OF OUTLET
CLASS I MPRAP
\�
LENGTH (IN FEET)
8 x DRAINAGE AREA
(IN AC.)
DIVERSION
/ DIKE
)-- COARSE A,SREGATE.. �.•
EXCAVATED FILTER CLOTH
AREA • ���
COARSE AGGREGATE SHALL BE VOOT 13, 1357 OR 15
OUTLET (PERSPECTIVE VIEW)
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REVISION'S
✓uL SY /B, / 997 Co, Conq I/I"
�G, /997 E. C
,//W%7 EA16.. COMME,VT5
DATE
APRIL 28, 1997
SCALE.
CONTOUR INTERVAL
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