HomeMy WebLinkAboutC405 - SWPP DETAILSSCALE: NONE
ROCK CHUTE OUTLET PROTECTION
MAINTENANCE
1. INSPECT PERIODICALLY AND AFTER EACH STORM EVENT FOR STONE DISPLACEMENT AND
EROSION AT THE
SIDES AND ENDS OF THE APRON.
2. MAKE REPAIRS IMMEDIATELY; USE APPROPRIATE SIZE STONE, AND DO NOT PLACE THEM
ABOVE FINISHED
GRADE.
MAINTENANCE
1. INSPECT ROCK CHUTES AFTER STORM EVENTS FOR STONE DISPLACEMENT AND FOR
EROSION AT THE SIDES AND ENDS OF THE APRON.
NOTE:
1. EROSION CONTROL BLANKET SHALL BE
NORTH AMERICAN GREEN SC150 BN OR
APPROVED EQUAL.
2. TURF REINFORCEMENT MAT SHALL BE
NORTH AMERICAN GREEN SC250 OR
APPROVED EQUAL.
SCALE: N/A
EROSION CONTROL BLANKET FOR SWALE
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
SCALE: NONE
SEASONAL SOIL PROTECTION CHART
OTHER THAN IN THE SHADED AREAS USE MULCH
IRRIGATION NEEDED DURING THIS PERIOD TO CONTROL EROSION AT TIMES
** INCREASE SEEDING APPLICATION BY 50%
* LATE SUMMER SEEDING DATES MAY BE EXTENDED 5 DAYS IF MULCH IS APPLIED
NOV.DEC.
NOV.DEC.
OCT.SEP. JUL. AUG.
OCT.SEP. JUL. AUG.
MAY FEB. MAR.APR.
MAY FEB. MAR.APR.
JAN.
OATS
JAN.
TEMPORARY SEEDING DATES
PERMANENT SEEDING DATES
WHEET OR RYE
ANNUAL RYEGRASS
NON-IRRIGATED*
DORMANT SEEDING**
IRRIGATED
JUN.
JUN.
REMARKSACRE
150 LB.
100 LB.
40 LB. 1 LB.
SPRING OATS
1,000 SF
3.5 LBS.
2.3 LBS.
TYPE OF SEED
WHEET OR RYE
ANNUAL RYEGRASS
TEMPORARY SEEDING RATE
COVER SEED 1"-1 1/2" DEEP
COVER SEED 1" DEEP
COVER SEED 1/4" DEEP
SEEDED AND SOD AREA PREPARATION
APPLY A MINIMUM OF 4" OF TOPSOIL TO ALL DISTURBED AREAS TO BE SEEDED (NOT IN SOD
AREAS). SCARIFY THE SEEDING AND SODDING AREAS TO A MINIMUM DEPTH OF 6 INCHES.
APPLY LIME TO RAISE THE pH TO THE LEVEL NEEDED IF TEST RESULTS INDICATE IT IS
NEEDED FOR SPECIES BEING SEEDED. APPLY 10 POUNDS OF 12-0-12 ANALYSIS FERTILIZER
(OR EQUIVALENT) PER 1000 SF (APPROXIMATELY 450 POUNDS PER ACRE) OR FERTILIZE
ACCORDING TO TEST. WORK THE FERTILIZER AND LIME INTO THE SOIL TO A DEPTH OF 2-4
INCHES WITH A HARROW, DISK OR RAKE OPERATED ACROSS THE SLOPE AS MUCH AS
POSSIBLE.
DO NOT USE PHOSPHOROUS CONTAINING FERTILIZERS (12-12-12) UNLESS SOIL TESTS
SHOW A DEFICIENCY IN PHOSPHOROUS.
SEEDING
SEED SHALL BE APPLIED WITH MECHANICAL SPREADER OR SEED DRILL AT RATES
SPECIFIED. APPLY SEED 1
2 IN ONE DIRECTION AND 1
2 PERPENDICULAR TO THE FIRST.
LIGHTLY RAKE AND ROLL WITH 200 LB ROLLER (UNLESS DRILLED). APPLY STRAW MULCH
OR EROSION CONTROL BLANKET AS SPECIFIED ON PLANS. STRAW MULCH SHALL BE
APPLIED AT A RATE OF 2 TONS PER ACRE AND AT LEAST 80 PERCENT OF THE SOIL
SURFACE SHALL BE COVERED.
MULCH
MULCH SHALL BE INSTALLED WITHIN 24 HOURS OF SEEDING.
MULCH SHALL BE PUNCHED IN 4"-6" AND MACHINERY SHALL RUN ALONG THE SLOPE
CONTOUR. STRAW STRANDS SHALL BE 6"-8" LONG ON AVERAGE.
WETDROUGHTY
SITE SUITABILITY*
WELL
DRAINED
LBS/
1,000 SF
SEEDING RATE
LBS/
ACRE
SPECIES
LEVEL AND SLOPING, OPEN AREAS
PERMANENT SEEDING MIXTURES
SUITABLE pH
12
1
2.5
1.5 63
MUSTANG II - Turf Type Tall Fescue
4-WAY PERENNIAL RYEGRASS BLEND
(TWO Species Blend)
5.8-7.0 111
TOTAL 4.0174
SEE LANDSCAPE PLANS FOR SPECS.
5.6-7.0
1
C405
SWPP
DETAILS
2:1
REVETMENT RIPRAP
SCALE: NONE
ROCK CHECK DAM
MAINTENANCE:
INSPECT CHECK DAMS AND THE CHANNEL AFTER EACH STORM EVENT, AND REPAIR ANY DAMAGE
IMMEDIATELY. IF SIGNIFICANT EROSION OCCURS BETWEEN DAMS, INSTALL A RIPRAP LINER IN THAT
PORTION OF THE CHANNEL. REMOVE SEDIMENT ACCUMULATED BEHIND EACH DAM AS NEEDED TO
MAINTAIN CHANNEL CAPACITY, TO ALLOW DRAINAGE THROUGH THE DAM, AND TO PREVENT LARGE
FLOWS FROM DISPLACING SEDIMENT. ADD ROCK TO THE DAMS AS NEEDED TO MAINTAIN DESIGN HEIGHT
AND CROSS SECTION. WHEN THE DAMS ARE NO LONGER NEDDED, REMOVE THE ROCK AND STABILIZE
CHANNEL, USING AND EROSION-RESISTANT LINING IF NECESSARY.
FILTER FABRIC
FILTER FABRIC
2
4 5 6 SCALE: NONE
* POST TO BE
SLOPED
DO NOT MOW SIGN DETAIL
12"
PRE-PAINTED GALVANIZED STEEL
18"CONCRETE
4" 4"
* CHANNEL POST
(2#/Ft.) 8'-10" LONG
DO
FACE
MATERIAL
Alum.
80 Ga.
MOW ORREFLECTIVE
WHITE
6' - 0"FINISHEDmin.18"GREEN
12"
FINISH AND CONTRAST THE CHARACTERS, SYMBOLS AND
BACKGROUND OF SIGN SHALL BE EGGSHELL, MATTE, OR
OTHER NON-GLARE FINISH. CHARACTERS AND SYMBOLS
SHALL CONTRAST WITH THEIR BACKGROUND, WITH EITHER
LIGHT CHARACTERS ON A DARK BACKGROUND OR DARK
CHARACTERS ON A LIGHT BACKGROUND.
GRADE
NOT
NATIVE
VEGETATION
SPRAY
2 TAC COMMENTS 8/12/2019
9 ASI #9 01/09/2020
9
9
02/27/20