HomeMy WebLinkAboutC403 - SWPP PLAN (FINAL)FFE = 868.50
FFE = 868.50
T
HW 100: 855.9
NORMAL: 851.0
85' WIDE EMERGENCY
SPILLWAY
W/ RIP RAP
REVETMENT COVER
DRAINAGE & BMP ESMT855.6
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.
C.O.
C.O.
C.O.
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 ROADN00°23'36"E 1277.20'NO PARKINGNO P A RK IN G
NO PA R K IN GNO PARKINGPLAYGROUND AREA
REFER TO L212
NPDES
POSTING
BOARD
SEE LANDSCAPE
PLANS FOR SEED,
SOD, AND OTHER
STABILIZATION OR
GROUND COVER IN
BALL DIAMONDS.
SEE LANDSCAPE
PLANS FOR
SEEDING, SODDING
AND LANDSCAPING
IN PARKING LOT
ISLANDS
APPLY NATIVE SEED
AND PLANT PLUGS W/
EROSION CONTROL
BLANKET ON POND
BANKS BETWEEN
ELEVATIONS 850.0 AND
ELEV 853 (2'
VERTICALLY ABOVE TOP
OF 10 FT. SHELF)
INSTALL RIP-
RAP PER
SHEET C405
AT ALL POND
INLETS/OUTLETS
BMP #1
AQUASWIRL FILTER
AS-10
BMP #2
WET POND
WITH
NATIVE BANKS
(SEE L401 & L410)
PROVIDE GRAVEL
BAG WEIR AROUND
TRENCH DRAIN
SEE LANDSCAPE
PLANS FOR
SEEDING, SODDING
AND LANDSCAPING
AROUND BUILDINGS
"DO NOT MOW"
SIGN = 6 TOTAL
7
7
WETLANDS
(PROTECT)
WETLANDS
(PROTECT)
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
EROSION CONTROL LEGEND
LINE TYPE / SYMBOL DESCRIPTION DESCRIPTION
SCALE: 1" = 100'
THERE SHALL BE NO DIRT, DEBRIS, OR
STORAGE OF MATERIAL IN THE STREET
ADJACENT ROADS MUST BE SWEPT DAILY
1. REPAIR , REPLACE, AND MAINTAIN ALL SILT FENCE, CHECK DAMS OR INLET PROTECTION
DAMAGED DURING EARTHWORK OR CONSTRUCTION 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. 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 HAS BEEN 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.
5. THIS SITE DRAINS TO ONE AQUASWIRL STRUCTURE THEN ON TO A WET POND DETENTION
SYSTEM. BOTH THE AQUASWIRL STRUCTURE AND DETENTION POND SHALL BE INSPECTED
MONTHLY THROUGHOUT THE PROJECT CONSTRUCTION. ALL VISIBLE SEDIMENT, IF PRESENT,
SHALL BE REMOVED BY VACUUM TRUCK (AQUASWIRL STRUCTURE) OR EXCAVATOR
(DETENTION POND) IF SEDIMENT LEVELS REACH LEVELS IDENTIFIED IN THE POST
CONSTRUCTION OPERTATION AND MAINTENANCE MANUAL.
6. PREPARE ALL SEEDBEDS AND LANDSCAPING BEDS PER PLANS AND SPECIFICATIONS WHEN
CONSTRUCTION IS COMPLETE ENOUGH FOR FINAL STABILIZATION.
7. PLACE PERMANENT SEEDING AND MULCH OR EROSION CONTROL BLANKET WITHIN 30
HOURS OF SEEDBED PREPARATION. INSTALL EROSION CONTROL BLANKETS INDICATED ON
PLANS.
8. FINAL STABILIZATION IS CONSIDERED COMPLETE WHEN ALL LAND DISTURBING ACTIVITIES
HAVE BEEN COMPLETED AND A UNIFORM VEGETATED SURFACE WITH 70% DENSITY IS
ACHIEVED ON ALL DISTURBED/DENUDED AREAS AND AREAS NOT HAVING A PERMANENT
STRUCTURE. THE CONTRACTOR SHALL OVER-SEED AS REQUIRED TO OBTAIN 70 PERCENT
VEGETATIVE DENSITY IF REQUIRED.
9. AFTER SITE HAS REACHED 70% VEGETATIVE COVER, CONTRACTOR SHALL REMOVE
REMAINING TEMPORARY BMP STRUCTURES AND REPAIR AND RE-SEED ANY DISTURBED
AREAS AS REQUIRED.
10. ONCE THE CONSTRUCTION ACTIVITY IS COMPLETED (BY RULE LANGUAGE, WHEN FINAL
STABILIZATION HAS OCCURRED), A COMPLETED RULE 5 NOTICE OF TERMINATION (NOT) MUST
BE SUBMITTED TO IDEM.
FINAL POST CONSTRUCTION SEQUENCING NOTES
INLET/OUTLET PROTECTION
PERMANENT SEEDING
WITH NORTH AMERICAN
GREEN EROSION
CONTROL BLANKET -
SC150 BN.
PERMANENT NATIVE
EMERGENT SEEDING AND
PLANT PLUGS WITH NORTH
AMERICAN GREEN SC 150 BN
EROSION CONTROL BLANKET.
SEE SHEET L401 & L410.
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.
PERMANENT SEEDING
WITH MULCH
NOTES:
1. ALL DISTURBED AREAS SHALL BE
STABILIZED WITH SEED AND MULCH,
SEED AND EROSION CONTROL BLANKET,
PAVEMENT OR LANDSCAPE BEDS
WHETHER INDICATED ON THESE PLANS
OR NOT.
2. SEE LANDSCAPE PLANS FOR SPECIFIC
STABILIZATION METHODS AND
MATERIALS IN BALL DIAMONDS, PARKING
LOT BEDS, AND AREAS AROUND THE
BUILDING.
3. SEE LANDSCAPE PLANS FOR
PLAYGROUND AREAS.
4. SEE LANDSCAPE PLAN L401 FOR NATIVE
SEED AND PLAT PLUGS IN WET POND
WITH NATIVE BANKS.
C403
SWPP PLAN
(FINAL)
2 TAC COMMENTS 8/12/2019
4 ASI #2 9/20/2019
7 ASI #6 12/03/2019
9 ASI #9 01/09/20209
9
9
9
9
9
02/27/20