HomeMy WebLinkAboutGrading and DrainageLEGEND
DIRECTION OF FLOW
20 0 20
K-9
MITId' ATION AREA
I I
. \ "l�.l i11�V °G3 \III \ \ \ I I I \ \
r_Ir_ : (ou 1_ur4G)
FLOODPLAIN BOUNDARY
LINES
DRAINAGE SWALE W/
SPOT ELEV.
DRAINAGE SWALE
EL 250'
DRAINAGE SWALE
15 FT, PRIVATE DRAINAGE EASEMENT
Li
C)
Lo
cy-
Ld
CD
T_
CD
°6S)
�zl
i�
LANDSCAPING
(20' WIDE BUFFER YARD)
EROSION CONTROL BLANKET
(SEE NOTE 1)
CRUSHED LIMESTONE
FINAL ELEVATION, FT.
EXI�T,ING CONTOUR 245
FINAL GRADE 245
REINFORCED CONCRETE
r- 0
ENTERGY POWER POLE
CSU POWER POLE Z
CONTROL HOUSE FINISHED FLOOR ELEVATION
TOP OF CONCRETE SLAB ELEVATION FOR
ALLELECTRICAL EQUIPMENT
10'-0"
Em
x
2% SLOPE'
2% SLOPE
. ..
3.7
ACCESS ROAD SECTION
x
. . . . . . . . . . . . ...
..
. ...
....
A
24FT X 24FT
. .. . .. . .. . .. . .. .
ARAFI WOVEN "600X'
STAB 'L' 'GEOTEXTILE
x
NOTE 1: IF SUBGRADE UNDER ROAD IS POOR,
(OR APPROVED
DGA (OR Q LENT)
(576 SQ. Fr.)
39
to
E
AND REPLACE WITH FILL SUITABLE TO
x
10 FT. TALL
6° COMPACTED CRUSHED,
CONTROL
MIX IS RECOMMENDED FILL. THICKNESS
STON� - #610, CLASS 7,-
OF FILL WILL BE SITE SPECIFIC.
p.
HOUSE
x
(RECOMMENDED 6" MIN. 12" MAX.)
0
(INSIDE SUBSTATION)
x
N TES 245
U6
1. EROSION CONTROL BLANK TO BE LANDLOK E
1!�K E ET ��T I f � �N I
PROPEX GEOSYNTHETICS OR APPROVED .
EQUAL
0 x
HYDROSEED OVER THE EROSION CONTROL BLANKE
TO RE—ESTABLISH VEGETATION.
j
U-
M
04'
"00
SEE NOTE 2
2. AN 8' TALL WOOD PRIVACY FENCE WILL BE PLACE
uj
x
2' OUTSIDE OF THE SUBSTATION CHAINLINK FENCI
x
A
AROUND ALL FOUR SIDES.
co
co 4
..- ...... .... . .. .... . ...... .... ...... . ... L1 il..... III
.....
7 ......
.............
ALL UNSUITABLE/ORGANIC MATERIAL WILL BE REN
u')
C14
AND REPLACED WITH STRUCTURAL FILL AND REGR
x
0
2:1 SLOPE
LANDSCAPING
(20' WIDE BUFFER YARD)
EROSION CONTROL BLANKET
(SEE NOTE 1)
CRUSHED LIMESTONE
FINAL ELEVATION, FT.
EXI�T,ING CONTOUR 245
FINAL GRADE 245
REINFORCED CONCRETE
r- 0
ENTERGY POWER POLE
CSU POWER POLE Z
CONTROL HOUSE FINISHED FLOOR ELEVATION
TOP OF CONCRETE SLAB ELEVATION FOR
ALLELECTRICAL EQUIPMENT
10'-0"
Em
JL
Lo
2% SLOPE'
2% SLOPE
. ..
....
ACCESS ROAD SECTION
x
. . . . . . . . . . . . ...
A
. .. . .. . .. . .. . .. .
ARAFI WOVEN "600X'
STAB 'L' 'GEOTEXTILE
12* COMPACTED CRUSHED
STONE - e6U1 � C LASS 7,
NOTE 1: IF SUBGRADE UNDER ROAD IS POOR,
(OR APPROVED
DGA (OR Q LENT)
IT MAY BE NECESSARY TO REMOVE
to
E
AND REPLACE WITH FILL SUITABLE TO
x
6° COMPACTED CRUSHED,
MIX IS RECOMMENDED FILL. THICKNESS
STON� - #610, CLASS 7,-
OF FILL WILL BE SITE SPECIFIC.
7S _
DGA (OR EQUIVALENT)
(RECOMMENDED 6" MIN. 12" MAX.)
0
(INSIDE SUBSTATION)
JL
1F .0
U)
. ..
....
ACCESS ROAD SECTION
x
NOT TO SCALE
NOTE 1: IF SUBGRADE UNDER ROAD IS POOR,
IT MAY BE NECESSARY TO REMOVE
AND REPLACE WITH FILL SUITABLE TO
x
BUILD ROAD ON. SAND OR CLAY GRAVEL
MIX IS RECOMMENDED FILL. THICKNESS
OF FILL WILL BE SITE SPECIFIC.
7S _
(RECOMMENDED 6" MIN. 12" MAX.)
0
x
N TES 245
U6
1. EROSION CONTROL BLANK TO BE LANDLOK E
1!�K E ET ��T I f � �N I
PROPEX GEOSYNTHETICS OR APPROVED .
EQUAL
0 x
HYDROSEED OVER THE EROSION CONTROL BLANKE
TO RE—ESTABLISH VEGETATION.
j
U-
SEE NOTE 2
2. AN 8' TALL WOOD PRIVACY FENCE WILL BE PLACE
uj
2' OUTSIDE OF THE SUBSTATION CHAINLINK FENCI
x
AROUND ALL FOUR SIDES.
co
3. THE WATERING TANK AREA WILL BE CLEARED ANC
ALL UNSUITABLE/ORGANIC MATERIAL WILL BE REN
u')
C14
AND REPLACED WITH STRUCTURAL FILL AND REGR
x
TO THE! ELEVATIONS. SHOWN BY .THE CONTOURS O'
DRAWING. THE
STRUCTURAL FILL SHALL HAVE ME)
rTr - 'q
PLAS TICITY INf)T(_TP P' In TO 9n AND L IQUID HTn I 7k
A, Z I Nina LESS THAN 40%, AND SHOULD BE FREE OF ORGAt
"J"o _ " .... . ...... 3 . . . ................. .: _
Lrj ...... ...
R ST FEN
x _ x x x x x x x X.�� X__ 7 MATTER AND OTHER DELETERIOUS MATERIAL. ALL
RIP-RAP K—x
SHALL BE COMPACTED TO AT LEAST 95% OF THE
STANDARD PROCTOR MAXIMUM DRY DENSITY AT P
DRAINA SWALE
CONTENT OF NOT LESS THAN 1% BELOW AND NOT
SWALE
04
1-j I
C
INV. %51.67
DRI;�_VAY CULVERT IN
V.
(18 - 0 RCP)
20' 31 0'
N
DRAINAGE WALE
15 FT. PRIVATE DRAINAGE EAS ENT
00
\\r LE DROPS 0,
A R A
WALE DROPS 1' OVER A DI NCE
APPROXIMATELY 175. 'A
0
0-
0 0
N,
)3
66623
RE-GRADE
,S REQUIRED
EXISTIN
G RAD E
4 (TYP)
I �i
SEE NOTE 1
2 VARIES /--EL, 252.5"
rd
4 (TYP)
1 1 /
_--8 OF LIMESTONE
(SEE NOTE 4)
TYPICAL, SWALE SECTION
NOT TO SCALE
T HAN 370 ABOVE O PTIMUM MOIST UUN I LN 1.
4• 8" - LAYER OF CRUSHED STONE SHALL BE APPLIED
ACCORDANCE WITH ENTERGY STANDARD NO, SL12(
STONE TYPE SHALL BE CRUSHED LIMESTONE, #61C
APPROVED EQUAL.
GR.ADING & DRAINAGE PLAN
OF
* � E1TE�.�.:j'r S�VIT�I� �TATI�CJ�T
461 ;4 DRAWING: GD 1
LOT 1 BLOCK 1
16.615 ACRES
COLLEGE STATION
kRD) BRAZOS COUNTY, TEXAS
MAY 201 dG
PREPARED BY: LARRY MCVAY PREPARED FOR, ENTERGY TEXj
ENTERGY SERVICES, INC. 1050 IH-10 N
PHONE (504) 463-2993 BEAUMONT, T
JEFFREY KESSEL, PE #66623 PHONE (800)
PBS&J TBPE Reg # F-474 AND
BRYAN D. JOt
PHONE (512) 327-6M
SCALE; 1" = 20' CHARLES ERI( MARSHAH B.
DATE-- 05 -17 -10 COLLEGE STA'
BARBED WI PENCE
..... . . .. .
--- --------
CITY
G 232.
(C ALLED 4.1E . .....
j ;
B C U i E
__ 25 P
L ' N 5 0 249 �
2
.0
2_4ff
4.
5 .., . ....... .
79
Irk"
249-
247
Y
..........
...... . ......
CUT AR i4.p
CONTAIN SRB-.
(SEE NOTE 3)
I 1 1212111111
91
E
n
C:
0
C
_0
N
The Stormwater Pollution Prevention Plan (SWPPP) Site Map Drawings
have been prepared using a combination of USGS topog aphic data
. ................... ..... . and limited site survey data. Consequently, the assumed drainage
patterns may not accurately reflect actual ground conditions. The
Site Map was prepared pursuant to the requirements of the stormwater
'
IN, � ' general permit (TXR1500000) with the following understanding:
...... .. .. 1 - ------ -
1 Site Map is intended to be a planning document that shows
' erosion and sedimentation controls generally located to control
'A
p otential stormwater discharges from the originally proposed
construction limits. The permittee is responsible for final selection
`4' 't / _ of type and location of all erosion and sedimentation controls based
14
on actual site conditions.
P
R IL
2. In accordance with the general permit, the Site Map information
f A KA KIP V must be updated by the permittee to reflect actual site conditions
as the construction activities proceed. All such changes to these
plans are the responsibility of the permittee.
" 3. Topsoil removed from cut area will be stockpiled & replaced once
0
14"' � final cut is complete. Soil Retention Blanket Type I will be placed
X
on cut area.
4. Sediment Barrier to be selected by Contractor. Sediment Barrier
A ' \
may include filter socks, compost mulch berms, silt �ence, or
equivalent control as approved by the City of College Station. '"' — — 5. Stockpiles are temporary and will be surrounded by >lecessary
`'� / ! '�,. � 244 erosion controls during the interim.
S.
/ /`� ` 4\
T'l
244
PROP. CUT AREA
TO CONTAIN SR8'..
(SEE NOTE. 3)
4h
. .. . . ..........
... ... ...... -
.. ...... ..
0
60 0 60 120
0
I I
Aj Q
TREE LINE
(SCALE IN FEET)
0,
244 . .. .... �a
40
KESSEL
OV 6"
66623
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IST
V 40*0* •
ONA
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SHEET NO.
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FILE NO. BASEFILE
PROJECT NO. 100001539
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PROJECT NO. 100001539
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. . . . . ... ............... .. .. .
NOTES:
1. EROSION CONTROL BLANKET TO, BE LANDLOK
PROP�X GEOSYNTHETICS. OR APPROVED EQUAL
HYDRQSEED OVER THE EROSION CONTROL BLA
AREA TO RE-ESTABLISH VEGETATION,
FINISHED GRADE
FINISHED SUBGRADE ----- - - - --
EXISTING GRADE
CLEARED SUBGRADE
TOP OF ROCK ELEVATION
EXISTING GRADE ELEVATION
#61-0 LIMESTONE OR
APPROVED EQUAL
LANDSCAPING
ELEV. '
ELEV.
x
I
M
d Mol
GRADING & DRAINAGE CROSS
OF
ENTERGY SWITCH STATI
DRAYVING: GD2
LOT 1
1 6.615 ACRES
COLLEGE STATION
BRAZOS COUNTY, TEXT
MAY 201
PREPARED BY: LARRY MCVAY
ENTERGY SERVICES, INC.
PHONE (504) 463-2993
JEFFREY KESSEL, PE #66623
PBS&J TBPE Reg # F-474
PHONE (512)
SCALE. AS NOTED
DATE.: 05-17-1'0