HomeMy WebLinkAboutZ-6240-B Map 10EROSION AND 5EDIMENTATION GONTROL ME650RE5
PROTECTION A6AIN5T EROSION AND SEDIMENTATION WILL BE PROVIDED BY THE USE
OF PERMANENT AND TEMPORARY CONTROLS AND WILL BE IN PLACE THROUGHOUT THE
SITE UNTIL THE DISTURBED AREAS ARE STABILIZED.
TEMPORARY CONTROL MEASURES
A. ROCK CONSTRUCTION ENTRANCE
B. FILTER FABRIC FENCE
G. INLET PROTECTION
PERMANENT CONTROL MEA50RE5
A. PAVED DRIVES AND PARKING AREAS
B. ROOF DRAINS, GURBIN6, CULVERTS AND STORM DRAINS
G. RIP -RAP AT STORM DRAIN AND CULVERT OUTLETS
D. REVE6E7ATION OF ALL DISTURBED AREAS
SEQUENCE OF CONSTRUCTION
THE GENERAL FORMAT FOR EARTHMOVING ACTIVITIES SHALL BE AS FOLLOWS:
A. THE CITY OF LITTLE ROCK AND ADEQ (NOI ) SHALL BE NOTIFIED 46
HOURS PRIOR TO START OF CONSTRUCTION.
B. INSTALLATION OF FILTER FABRIC FENCE AND CONSTRUCTION EXIT.
G. STRIP TOP SOIL FROM CONSTRUCTION AREAS. CONTRACTOR TO LOCATE
SUITABLE AREA FOR 5TORA6E AND WILL APPLY TEMPORARY SEED
WITHIN 5 DAYS. FILTER FABRIC FENCE WILL BE USED AS REQUIRED AROUND
STOCKPILE.
D. ROUGH GRADING AND STABILIZATION OF PARKING AREAS, GENERAL 51TE
6RADIN6 A5 DENOTED ON THE PLANS.
E. INSTALL STORM DRAINAGE, INLET, INLET PROTECTION
F. BUILDING CONSTRUCTION, INSTALLATION OF ROOF DRAINS AND OTHER
UTILITIES.
6. FINAL 6RADIN6 AND INSTALLATION OF CURB.
H. PAVING OF PARKING AREAS AND DRIVES
I. 5TA13ILIZATION AND 5EEDIN6 OF ALL DISTURBED AREAS, SEE LANDSCAPE PLAN
J. REMOVAL OF REMAINING TEMPORARY CONTROLS
K. ALL IMPROVEMENTS TO CONFORM WITH ARKAN5A5 DEQ ER05ION AND SEDIMENT
CONTROL MEASURES. 015TURBED AREAS MUST BE RESEEDED AND 5TRAWED WITHIN
15 DAYS OF D15TURBANGE.
UNIVERSAL SOIL LOSS EGAJATION.
A=RKL5CP WH®2E
A = 501L LOSS (TOWAC)
R = RAINFALL 6 RUNOFF FACTOR 0300 FOR PJLASKI COUNTY)
K = 501L ERODIBILITY FACTOR (0.11 FOR THE MOUNTAINBUR6 SOIL GROUP, 12-40%)
L = 5LOPE LEN6TH FACTOR
5 = SLOPE 5TEEPNE55 FACTOR (L5 = 11.13 FOR A 3:1 SLOPE OVER A 140' LENGTH)
C, = COVER d MANA6EMENT FACTOR (0.20 FOR 5EEDIN6 I LOOSE 5TRAW MULCH)
6 = COVER d MANAGEMENT FACTOR (IA FOR NO ER05ION CONTROL5)
P = PRACTICE FACTOR (O.qO FOR TRACK -WALKED UP AND DONAI SLOPE)
A = 300 X 0.17 X 11.13X ID X 0.9 = 511 TON5/AC/YR WITHOUT ER05ION CONTROL5
A = 300 X 0.17 X 11.13X 0.20 X 0.9 = 102 TONS/AC/YR WITH EROSION CONTROLS
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MAINTENANGE
ALL TEMPORARY ER05ION AND SEDIMENTATION CONTROLS SHALL BE
MAINTAINED THROUGHOUT THE CONSTRUCTION PHASE OF THE PROJECT AGGORDING TO
THE FOLLOWINE7 M56HEDUI F:
ROGk. 5TMjGMEAC 1��E# MANFUFACTURER ASSIZE
I. T HE SPEC I I ITh IONSBYILADI71N6 GK. AYSTOCICP� ROCK
MATERIAL WILL BE MAINTAINED ON THE 51TE FOR TH15 PURPOSE.
2. AT THE END OF EACH CONSTRUCTION DAY, ALL SEDIMENT DEPOSITED
ON THE ROADWAY WILL BE REMOVED AND RETURNED TO THE
CONSTRUCTION SITE.
3. WA5HIN6 OF THE ROADWAY WITH WATER 15 NOT PERMITTED.
FILTER FABRIC FENCE
I. THE FENCE INSTALLATION SHALL BE INSPECTED AFTER EVERY
PRECIPITATION EVENT. ANY NECE55ARY REPAIR WILL BE MADE
IMMEDIATELY.
2. ACCUMULATED SEDIMENTS WILL BE REMOVED AS REQUIRED TO
KE II�Q�YC,G2EMOVE DEPOSITS
WHLi3@ A13NIULf��N1`�1BROUND HE16HT
O"te fqAZVtANrED DRAINAGE SY5TEMS, 1-800-133-9464
3. ALL UNDERCUTTING OR ER05ION OF THE TOE ANCHOR WILL BE
REW11INE0 la}AGGiFBAi£15t�lATERIALS.
4. ADHERE TO ANY MANUFAGTURER'5 RECOMMENDATIONS FOR
REPLAGIN6 FILTER FABRIC FENCE DUE TO WEATHERIN6.
INLET PROTECTION
I. FILTERS SHALL BE INSPECTED AFTER EVERY PRECIPITATION
EVENT.
2. FILTERS SHALL BE REMOVED WHEN GLO66ED WITH SEDIMENTS.
MATERIALS MUST BE WASHED COMPLETELY FREE OF ALL FOREIGN
MATERIALS OR NEW FILTERS INSTALLED.
IT SHALL BE THE RE-SPON51BILITY OF THE CONTRACTOR TO MAINTAIN THE ROOF
DRAINS AND THE SEDIMENT STRUCTURES DURING CONSTRUCTION.
ADDITIONAL ER05(ON AND SEDIMENTATION CONTROLS SHALL BE INSTALLED
WHERE NECESSARY` OR WHERE DIRECTED BY CITY OF LITTLE ROCK, OR
ADEQ AS CONSTRUCTION PROGRESSES.
ALL INSPECTIONS MUST BE MADE AT LEAST TWICE A GALENDER WEEK.
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ER05ION CONTROL LEGEND
GODE PRAGTIGE PLAN SYMBOL
FR
FILTER RING
to **04
CLIENT COMMENTS
ITALIAN RYE
r i
IP -5F
SILT FENCE INLET PROTECTION
LJ
OP
STORM DRAIN OUTLET PROTECTION
34%
FP -51
TJR6ED AREA STABIL
WIPERh1atE=Nr vE6ETATIOTtoN
NTH
NTH
PS
O
MAY I TO JULY 15
STARR MILLET
100515
5F-1
SILT FENCE
61515
SO
DISTURBED AREA STABILIZED
WITH PERMANENT VEGETATION (500)
O
r.
ST
SEDIMENT TRAP
ST
TS
DISTURBED AREA STABILIZED
WITH TepoRARY VEGETATION
TS O
EROSION AND SEDIMENT CONTROL NEP5URE5 SHALL
COMPLY WITH THE REGIJIREMENT5 5ET FORTH Br THE
THE ARKANSAS DEPT. OF ENVIRONMENTAL QUALITY.
GRAPHIC SCALE
15 30 60
( IN FEET )
I inch = 30 ft
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—SITE LOCATION MAP—
NOT TO SCALE
ZONING: 0-3 GENERAL OFFICE WITH
CONDITIONAL USE (CASE #Z-6240-13)
5EEDIN6 DATE5
6RA55 SEED
PERGENTA6E5
CLIENT COMMENTS
ITALIAN RYE
33%
JAN I TO MAY I
KOREAN LE5PEDEZA
33%
#10 01/03/0a
SUMMER OATS
34%
MAY I TO JULY 15
SUDAN - 5ORGHUM
100%
MAY I TO JULY 15
STARR MILLET
100515
JUL 15 TO JAN I
BALBOA RYE
61515
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ITALIAN RYE
55% ti ..
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TENNESSEE
ESIGN
and
_NG.INEERING
1 NC ARCHITECTS
STRUCTURAL AND CIVIL ENGINEERS
5105 Maryland Way Suite 200
Brentwood ,Tennessee 3 702 7
615-370-1779 fax: 370.9108
www.dandeinc.us
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Revisions:
05 10/01/07
CLIENT COMMENTS
#6 10/04/07
CLIENT COMMENTS
#7 10/26/07
CITY COMMENTS
#a 11/06/07
CITY COMMENTS
#q 11/27/07 ELEC. CO. 00MNgNT5
#10 01/03/0a
CLIENT COMMENTS
#II 02/07/015
CITY C XfHE fTS
#12 02/21/06
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Job Number:
67-0050
Revisions:
05 10/01/07
CLIENT COMMENTS
#6 10/04/07
CLIENT COMMENTS
#7 10/26/07
CITY COMMENTS
#a 11/06/07
CITY COMMENTS
#q 11/27/07 ELEC. CO. 00MNgNT5
#10 01/03/0a
CLIENT COMMENTS
#II 02/07/015
CITY C XfHE fTS
#12 02/21/06
CITY COMMENTS