HomeMy WebLinkAboutC402 - SWPP PLAN (CONST)HW 100: 855.9
NORMAL: 851.0
S
85' WIDE EMERGENCY
SPILLWAY
W/ RIP RAP
REVETMENT COVER
DRAINAGE ESMT858.0
REMOVE TREES & GRADE
4' W SWALE TO PROVIDE
POSITIVE DRAINAGE
858.7
855.6
855.1
20'W BMP ACCESS ESMT
20
'
W
B
M
P
AC
C
E
S
S
ES
M
T
25
'
W
SA
N
S
W
R
ES
M
T
25'W SAN SWR ESMT
25'W SAN SWR ESMT 25'
W
SA
N SW
R
ES
M
T
30'W DRAINAGE ESMTPROPOSED ROWPROPOSED ROW 20' BMP ACCESS
EASEMENT
C.O.
C.O.
C.O.
C.O.
C.O.
C.O.
C.O.C.O.
C.O.
C.O.
SF SF SF SF SF SF SF
C.O.TYPE II
C.O.TYPE II
C.O.TYPE II
C.O.TYPE I
C.O.TYPE I
C.O.TYPE I
C.O.TYPE I
C.O.TYPE II
C.O.TYPE II
C.O.TYPE II
C.O.TYPE II
C.O.TYPE II
6''SSD
6''SSD
6''SSD
C.O.
C.O.
C.O.
C.O.TYPE I
20'W ELEC ESMT
10'W GAS ESMT
20'W WATER ESMT
20'W SAN SWR ESMT 20'W SAN SWR ESMTWETLANDS
(PROTECT)SILVARA COURTDOMI
N
O DRIV
E
CLAY CENTER ROADOHUOHUW W W W WOHU OHU OHU OHU OHU OHU OHU OHUOHU OHU OHUN00°23'36"E 1277.20'G GG GG GGG G G GGG GG GW W W W W W W W W W W W W W W W WIP IP
IP
IP
TOPSOIL STOCKPILESF SF SF SF SF SFSFDIP
DIP
DIP
DIP
DIP
DIPDIP
DIP
DIPDIP
DIP
DIP
DIP
DIP
DIP
DIPDIP
DIP
DIP
DIP
DIP
DIP
DIP
DIP DIP
DIP
DIP
DIP
DIP
DIP
DIP
NPDES
POSTING
BOARD
PORTABLE
TOILETS
STAGING
SFSF SF SF SFSFSF ROCK CHECK
SILT FENCE
OUTLET
ROCK CHECK
SILT FENCE
OUTLET
ROCK CHECK
SILT FENCE
OUTLET
CONSTRUCTION
ENTRANCE WITH STONE
DIVERSION BERM AS
REQUIRED TO PREVENT
SEDIMENT FROM LEAVING
SITE.
COIR FIBER LOG
DIVERSION CHECK DAMS.
ENTRENCH 4" INTO GROUND
AT SILT FENCE TO PREVENT
RUNOFF FROM UNDERMINING
SILT FENCH AND DAM.
CONCRETE
WASHOUT
PROTECT EXISTING
WOODS
COVERED
TRASH
ENCLOSURE
DIP
ROCK CHECK
SILT FENCE
OUTLET
SFSF SF SFSF SF
SF
SFSF SF SF SF SF
S
F
S
F
COIR FIBER LOG
INLET PROTECTION
(TYPICAL)
COIR FIBER LOG
CHECK DAM
DIP
DIP
DIPDIP
DIP
COIR FIBER LOG
INLET PROTECTION
(TYPICAL)
IP
DIPDIP
DIP
DIP
DIP
DIP DIP
DIP
DIP
DIP
DIP
DIP
SF SF SF SFNO PARKINGNO P A RK IN G
NO PA R K IN GNO PARKINGTEMP ROCK
CHECK DAM
TEMP SEDIMENT
BASIN: EXCAVATE
TO 841.0 & ALLOW
FOR 2.0' OF
SEDIMENT TO
GATHER FOR NEW
BOTTOM OF 843.0
DIP
SFSF SFSF
MAINTAIN SILT FENCING AROUND
WETLAND FOR EROSION CONTROL
PROTECTION UNTIL SURROUNDING
WATERSHED IS STABLE.SFSFS
F
SFS
F
S
F
SF
S
F
S
F
S
F
SFSFSFSFSFSFSFSF SFSFSFSF
SF
SF
SF
SF
DIP
DIP
18095
Project Number:
Drawing Number:
Certified By:
Checked ByDrawn ByIssue Date
Revisions:PROJECT:Scope Drawings:CARMEL, INDIANANEWFORCARMEL CLAY SCHOOLSCARMEL ELEMENTARY SCHOOLSDrawing Title:
06-21-19 SO MK
Rev. #Revision
Description
Issue
Date
1 ADDENDUM 7/9/2019
3 ASI #1 8/28/2019
LINE TYPE / SYMBOL
COARSE AGGREGATE
6 INCHES OF 2"-3"
TEMPORARY
CONSTRUCTION ENTRANCE
(20'W x 50'L) Minimum
TREE PROTECTION FENCE
SILT FENCE
(SEDIMENT FENCE)
EROSION CONTROL LEGEND
LINE TYPE / SYMBOL DESCRIPTION DESCRIPTION
CONCRETE WASHOUT
TEMPORARY INLET PROTECTIONIP
SCALE: 1" = 100'
THERE SHALL BE NO DIRT, DEBRIS, OR
STORAGE OF MATERIAL IN THE STREET
ADJACENT ROADS MUST BE SWEPT DAILY
SF
CONSTRUCTION & POST CONSTRUCTION SEQUENCING NOTES
EROSION CONTROL NOTES
1. THE EROSION AND SEDIMENT CONTROL MEASURES SHOWN ON THE DRAWINGS ARE
CONSIDERED THE MINIMUM PRACTICES NECESSARY FOR COMPLIANCE WITH THE NPDES
GENERAL PERMIT FOR STORM WATER DISCHARGES ASSOCIATED WITH CONSTRUCTION
ACTIVITY AS IDENTIFIED UNDER SECTION 327-IAC-15-5 OF THE INDIANA ADMINISTRATIVE
CODE. HOWEVER, SITE CONDITIONS, CONSTRUCTION METHODS, SEQUENCING OF WORK
AND GENERAL PRACTICE MAY WARRANT VARIATION AND/OR ADDITIONS TO THE QUANTITIES,
TYPES, AND LOCATIONS OF BMP MEASURES AS SHOWN.
2. UNLESS OTHERWISE SHOWN, TEMPORARY CONTROL MEASURES SHALL BE REMOVED UPON
SATISFACTORY ESTABLISHMENT OF PERMANENT VEGETATION.
3. SEE SHEET C404-C405 FOR DETAILS AND SPECIFICATIONS REFERENCED ON THIS SHEET.
4. PERIMETER CONTROL MEASURES (I.E. SILT FENCE, DIVERSION DITCHES AND BERMS, TREE
PROTECTION FENCING) SHALL BE INSTALLED PRIOR TO COMMENCING EARTHWORK
ACTIVITIES.
5. IN ADDITION TO THE MAINTENANCE REQUIREMENTS IDENTIFIED FOR INDIVIDUAL MEASURES,
ALL EROSION CONTROL MEASURES INSTALLED UNDER THIS PROJECT SHALL BE INSPECTED
WEEKLY TO ENSURE THEY ARE FUNCTIONING PROPERLY. MEASURES FOUND TO BE
DEFICIENT SHALL BE REPAIRED OR REPLACED IMMEDIATELY THEREAFTER.
6. THE CONTRACTOR SHALL MAINTAIN A STABLE CONSTRUCTION ENTRANCE AT ALL TIMES AND
SHALL MAKE EFFORTS TO MINIMIZE THE ACCUMULATION OF SOIL, MUD AND DEBRIS ON
ADJOINING ROADWAYS.
7. SYMBOLS FOR INLET PROTECTION MEASURES AND DITCH CHECKS ARE SHOWN LARGER
THAN ACTUAL SIZE.
8. DISTURBED AREAS AND STOCKPILES THAT ARE TO REMAIN IDLE FOR MORE THAN 14 DAYS
SHALL BE STABILIZED WITH TEMPORARY SEEDING.
9. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED BY THE INSPECTOR.
10. PORTABLE TOILETS SHALL BE ANCHORED TO THE GROUND TO PREVENT TIPPING AND
SPILLS.
1. REPAIR OR REPLACE ALL EXISTING SILT FENCE, CHECK DAMS OR INLET PROTECTION
DAMAGED DURING EARTHWORK ACTIVITIES.
2. DESIGNATE THE PERSON RESPONSIBLE FOR COMPLYING WITH THE ON-SITE SWPPP
INSPECTIONS UNTIL ALL DISTURBED AREAS ON SITE SITE HAVE REACHED 70 PERCENT
VEGETATIVE COVER DENSITY.
3. IF WORK OR CONSTRUCTION HAS STOPPED FOR 2 WEEKS OR MORE BEFORE PERMANENT
SEED IS APPLIED, INSTALL TEMPORARY SEED AND MULCH AS DESCRIBED ON SHEET C405.
COORDINATE RESPONSIBILITY FOR COMPLETING THE SITE REVIEW AFTER EACH 1 2" RAINFALL
AND A MINIMUM OF ONE TIME A WEEK.
4. THE PROJECT WILL BE COMPLETED IN PHASES. IF A PHASE OR WORK AREA IS COMPLETED
AFTER NOVEMBER 1, THE SITE SHALL BE STABILIZED WITH TEMPORARY SEED AND BMP'S
MEETING REQUIREMENTS OF ONSITE INSPECTORS BEFORE CLOSING DOWN FOR WINTER.
PERFORM WEEKLY INSPECTIONS AND PREPARE REPORTS THROUGHOUT THE WINTER WITH
REPAIRS AND MAINTENANCE AS NEEDED UNTIL PERMANENT STABILIZATION MEASURES ARE
INSTALLED AND 70% VEGETATIVE DENSITY IS ACHIEVED IN THE SPRING.
5. FOR ALL PHASES, COMPLETE MASS GRADING AND EXCAVATION. STORE EXCAVATION SPOILS
AS INDICATED ON PLANS.
6. DETENTION BASIN SHALL BE USED AS SEDIMENT BASIN DURING CONSTRUCTION.
COLLECTED SEDIMENT SHALL BE REMOVED WHEN IT REACHES DEPTHS OF 1.6 FEET
(ELEVATION . DETENTION BASIN BOTTOM SHALL BE OVER EXCAVATED 2.0 FEET TO
ACCOMMODATE SEDIMENT (OVER EXCAVATE TO ELEVATION 851.0) . AT COMPLETION OF
CONSTRUCTION CONTRACTOR SHALL REMOVE/EXCAVATE ALL SEDIMENT TO REACH A FINAL
POND BOTTOM OF 853.00.
7. DETENTION POND BANKS SHALL BE STABILIZED WITH SEED AND EROSION CONTROL
BLANKET WITHIN 24 HOURS OF REACHING FINAL FINISH GRADE.
8. COMPLETE FILL, BACKFILL, AND ROUGH GRADING REQUIRED TO RETURN ALL AREAS WITHIN
CONSTRUCTION ZONE TO SUBGRADE GRADE ELEVATION INDICATED ON PLANS. ALL FILL
MATERIAL UNDER PAVEMENT OR BUILDINGS SHALL BE APPROVED BY ON-SITE
GEOTECHNICAL ENGINEER.
9. PREPARE ALL PAVEMENT SUBGRADES PER PLANS AND SPECIFICATIONS.
10. MAINTAIN ALL INLET PROTECTION, CHECK DAMS AND SILT FENCING IN THE SITE PROJECT BY
CLEANING OUT EVERY WEEK AND AFTER EVERY RAIN EVENT OF 1/2" OR GREATER DEPTH.
11. PERFORM FINAL GRADING AND SEEDBED PREPARATION ON DETENTION BASIN BANKS AND
SITE PERIMETER AREAS INDICATED ON THIS SHEET.
12. PLACE PERMANENT SEEDING AND MULCH OR EROSION CONTROL BLANKET WITHIN 30
HOURS OF SEEDBED PREPARATION. INSTALL EROSION CONTROL BLANKETS INDICATED ON
PLANS.
PERMANENT SEEDING
WITH NORTH AMERICAN
GREEN EROSION
CONTROL BLANKET -
SC150 BN.
TEMPORARY DROP INLET PROTECTIONDIP
C402
SWPP PLAN
(CONST.)
TOP SOIL STOCKPILE TEMPORARY ROCK CHECK DAM
2 TAC COMMENTS 8/12/2019
4 ASI #2 9/20/2019
4
02/27/20