wood posts: wood or steel fence post attach fabric …
TRANSCRIPT
MACHINE SLICE8"-12" DEPTH (PLUS 6" FLAP)
3. FOR CRITICAL AREAS ADJACENT TO WETLANDS OR BELOW LONG AND/OR STEEPSLOPES, STEEL POSTS ARE NECESSARY AS INDICATED ON THE PLANS.
STEEL POSTS:POST NOTCHESTO FACE AWAYFROM FABRIC.
COMPACTION:AFTER "SLICING" IN THE FABRIC AND BEFORE INSTALLATION OF STEEL OR WOOD POSTS,DRIVE INSTALLATION EQUIPMENT OVER THE "SLICE" WHILE FABRIC IS LAYING ON THEGROUND. THEN INSTALL THE POSTS AND PULL UP FABRIC TO ATTACH AT A UNIFORM HEIGHT.
WOOD OR STEEL FENCE POST(T-POST), MINIMUM 5' LONG, 6'MAXIMUM SPACING.
STEEL POSTS:ATTACH FABRIC TO POSTS WITHMINIMUM 3 ZIP TIES (50 LB. TENSILE)PER POST IN TOP 8" OF FABRIC.
MONOFILAMENT GEOTEXTILEFABRIC PER MNDOT TABLE 3886-1(MS, HI WOVEN GEOTEXTILE).
24" MINIMUM POSTEMBEDMENT
A
DIRECTION OF SURFACE FLOW
A
WOOD POSTS:ATTACH FABRIC TO POSTS WITHWOOD LATH A MINIMUM 1/4" THICK x9" LONG WITH HEAVY DUTY STAPLES.
NOTES:1. THE MACHINE SLICED METHOD (THIS DETAIL) IS THE STANDARD SILT FENCE
INSTALLATION METHOD.2. WIRE BACKED (ERO-1B) OR HEAVY DUTY (ERO-1C) SILT FENCE INSTALLATION
METHODS SHOULD ONLY BE USED WHEN APPROVED OR DIRECTED BY THE CITY.
PLATE NO.
LAST REVISION:
SILT FENCEMACHINE SLICED
ERO-1
JUNE 2009
STEEL FENCE POST (T-POST)
MINIMUM 5' LONG,
6' MAXIMUM SPACING.
LAY FABRIC IN THE TRENCH,
BACKFILL WITH NATURAL SOIL,
AND COMPACT WITH LIGHT
EQUIPMENT PRIOR TO PLACEMENT
OF THE POSTS.
MONOFILAMENT GEOTEXTILE FABRIC
PER MNDOT TABLE 3886-1 (MS, HI
WOVEN GEOTEXTILE.)
ATTACH FABRIC TO POST WITH
MINIMUM 3 ZIP TIES (50 LB. TENSILE)
PER POST IN TOP 8" OF FABRIC.
POST NOTCHES
TO FACE AWAY
FROM FABRIC.
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24" MINIMUM POST
EMBEDMENT
6"
6"
NOTES:
1. SPLICING WILL BE MADE AT OPPOSING SILT FENCE POSTS BY PLACING POSTS AND SILT FENCE
NEXT TO EACH OTHER AND ROTATING 360°.
2. HEAVY DUTY SILT FENCE IS MACHINE SLICED TYPE SILT FENCE THAT IS HAND INSTALLED IN
AREAS INACCESSIBLE TO EQUIPMENT DUE TO SPACE LIMITATIONS, WET SOILS, STEEP
SLOPES, ETC.
PLATE NO.
LAST REVISION:
SILT FENCE
HEAVY DUTY
ERO-2
JAN 2015
PLAN
GEOTEXTILE FABRIC
36" WIDTH MIN.
WIRE OR 3PLASTIC
ZIP TIES (50 LB. TENSILE)
WITHIN THE TOP 8" OF
FABRIC
BARRIERBARRIER
BARRIER
METAL FENCE
POST
GEOTEXTILE FABRIC
BARRIER
METAL FENCE POST
ELEVATION
PLAN
BARRIER WITHOUT CABLE RINGS
BARRIER
BARRIER
REBAR BETWEEN ANCHOR RINGS
OR METAL FENCE POST IN
ABSENCE OF RINGS
WIRE OR PLASTIC ZIP
TIES (50 LB TINSILE)
GEOTEXTILE
FABRIC
CABLE RING
ISOMETRIC
BARRIER WITH CABLE RINGS,
SUPER DUTY SILT FENCE
CABLE RING
PLATE NO.
LAST REVISION:
SUPER DUTY PERIMETER CONTROL
SILT FENCE / CONCRETE BARRIER SYSTEM
ERO-3
DEC 2018
WIRE OR 3PLASTIC
ZIP TIES (50 LB. TENSILE)
WITHIN THE TOP 8" OF
FABRIC
PLAN
SECTION
36"
DIRECTIO
N
OF FLO
W
SID
EW
ALK (VARIABLE W
ID
TH
)
STREET
BERM
SID
EW
ALK
BO
ULEVARD
CU
RB
STREET
3"
4"-6"
SHREDDED MULCH,
STRAW MULCH, OR
SOD
BERM OR APPROVED EQUAL
SECTIONPLAN
DIRECTIO
N
OF FLO
W
MACHINE
SLICED
SILT FENCE
STREET
SID
EW
ALK (VARIABLE W
ID
TH
)
24"
4"-6"
SID
EW
ALK
BO
ULEVARD
CU
RB
3" STREET
SHREDDED MULCH,
STRAW MULCH OR
SOD
SILT FENCE
BERM
BO
ULEVARD
(VARIABLE)
BO
ULEVARD
(VARIABLE)
12"
12"
DRIVEWAY
OR ROCK
ENTRANCE
EXTEND SILT FENCE & SHREDDED MULCH,
STRAW MULCH, SOD OR EQUAL TO PERIMETER
OF ENTRANCE
PLATE NO.
LAST REVISION:
BACK OF CURB PERIMETER CONTROL
WITH SIDEWALK
ERO-4
JUNE 2009
MACHINE
SLICED
SILT FENCE
DIRECTIO
N
OF FLO
W
36"
STREET
CU
RB
BERM
1
2
"
12"
STREET
CU
RB
STREET
CU
RB
24"
DIRECTIO
N
O
F FLO
W
STREET
CU
RB
3"-5"
DRIVEWAY
OR ROCK
ENTRANCE
PLATE NO.
LAST REVISION:
BACK OF CURB PERIMETER CONTROL
NO SIDEWALK
ERO-5
JUNE 2009
SECTIONPLAN
SILT FENCE
MACHINE
SLICED
SILT FENCE
MACHINE
SLICED
SILT FENCE
PLAN
SECTION
BERM OR APPROVED EQUAL
BERM
EXTEND SILT FENCE & SHREDDED MULCH,
STRAW MULCH, SOD OR EQUAL TO PERIMETER
OF ENTRANCE
OVERLAP LONGITUDINAL
JOINTS MINIMUM OF 6"
OVERLAP END JOINTS
MINIMUM OF 6" AND STAPLE
OVERLAP AT 1.5' INTERVALS.
ANCHOR TRENCH
(SEE DETAIL AND NOTES BELOW)
STAPLE PATTERN/DENSITY SHALL
FOLLOW MANUFACTURERS
SPECIFICATIONS
ANCHOR TRENCH
1. DIG 6" X 6" TRENCH
2. LAY BLANKET IN TRENCH
3. STAPLE AT 1.5' INTERVALS
4. BACKFILL WITH NATURAL SOIL AND COMPACT
5. BLANKET LENGTH SHALL NOT EXCEED 100'
WITHOUT AN ANCHOR TRENCH
6"
6"
1' TO 3'
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NOTE:
SLOPE SURFACE SHALL BE FREE OF ROCKS, SOIL CLUMPS,
STICKS, VEHICLE IMPRINTS, AND GRASS. BLANKETS SHALL
HAVE GOOD SOIL CONTACT.
PLATE NO.
LAST REVISION:
EROSION CONTROL BLANKET
INSTALLATION
ERO-6
JUNE 2009
6"
(15 CM)
4" - 6"
(10 - 15 CM)
2" - 5"
(5 - 12.5 CM)
4" (10 CM)
6"
(15 CM)
12"
(30 CM)
6"
(15 CM)
6"
(15 CM)
4"
ANCHOR TRENCH
12"
(30 CM)
6"
(15 CM)
6"
(15 CM)
CHECK SLOT
FLOW
F
L
O
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(PER SPECIFICATION)
PLATE NO.
LAST REVISION:
EROSION CONTROL BLANKET
CHANNEL INSTALLATION
ERO-7
OCT 2009
NOTE: INSTALL 3.5 STAPLES /SY, EXCEPT @ 1'
CENTERS IN CHECK SLOT & ANCHOR TRENCH
WATER SURFACE
7
1
BOTTOM
CARRIER FLOAT
STEEL TENSION CABLE
UNDERWATER ANCHOR
(TYP. OF FLOTATION
SILT CURTAIN)
LESS THAN 1/3 THE
STREAM/RIVER WIDTH
TEMPORARY
ROCK BERM
FLOW OF WATERWAY
STEEL FENCE POST
ANCHOR TO LAND (TYP.)
BRIDGE ABUTMENT, CULVERT
EXT., TEMPORARY FILL OR
WORK AREA
FLOTATION SILT CURTAIN
OR SILT FENCE TYPE TB
POINT WHERE
FILL MEETS
WATER SURFACE
RIVER
BANK
ANCHOR CABLE
BUOY
(TYP.)
2 FT. TO 10 FT.
CURTAIN DEPTH
CURTAIN WEIGHT
NOTE:
1 100 FT. MAX. SPACING
BETWEEN ANCHORS.
ANCHOR WEIGHT-MIN. 40 LBS.
SEE MNDOT SPECS 2018. 2573,
3886, 3887 & 3893
RIVER BANK
PLAN VIEW
FLOTATION SLIT CURTAIN
ANCHOR
CABLE
PLATE NO.
LAST REVISION:
FLOATING SILT CURTAIN
MOVING WATER TYPE
ERO-8
DEC 2018
ANCHOR
(ANCHORED
TO BOTTOM)
1
1
1
0
0
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ANCHOR POINT B
ANCHOR POINT A
Y
SILT FENCE OR
VEGETATIVE
BUFFER
ANCHORS
IN WATER
WATER BODY
SILT FENCE OR
VEGETATIVE
BUFFER
4
5
°
BRIDGE ABUTMENT, CULVERT
EXTENSION, TEMPORARY FILL, ETC.
LESS THAN
1/3 STREAM
WIDTH
TEMPORARY ROCK BERM
1/4 STREAM
WIDTH MAX.
4
5
°
NOTES:
1 -100 FT. MAX. SPACING BETWEEN
ANCHORS.
-ANCHOR WEIGHT - MIN. 40 LBS.
1
PLAN VIEW (WORK AREA)
SECTION Y-Y
WATER
SURFACE
CARRIER FLOAT
STEEL TENSION
CABLE
2 FT. TO
10 FT.
CU
RTAIN
D
EPTH
CURTAIN
WEIGHT
PLATE NO.
LAST REVISION:
FLOATING SILT CURTAIN
STILL WATER
ERO-9
JUNE 2009
Y
STRUCTURE COVER
ASSEMBLY
FILTER ASSEMBLY
(OVERFLOW)
POLYESTER SLEEVE
ISOMETRIC VIEW
ELEVATION
FILTER ASSEMBLY
POLYESTER SLEEVE
STRUCTURE COVER
ASSEMBLY
CATCH BASIN
PLATE NO.
LAST REVISION:
INLET PROTECTION, TYPE A
ROAD DRAIN 2x3 TOP SLAB MODEL
ERO-10
JUNE 2009
SEDIMENT CONTROL BARRIER FRAME
SECTION A-A
PLAN
2.31'
1.71'
0.28'
0.32'
SLOT FOR LOCKING TAB
SECTION
HDPE
EMERGENCY OVERFLOW
(OPEN ON BOTH SIDES)
0.18'
0.88'
1.20'
SILT FABRIC SLEEVE PER
MNDOT SPECIFICATION 3886
2" DIAMETER HOLES
SEDIMENT CONTROL
BARRIER FRAME
PLATE NO.
LAST REVISION:
INLET PROTECTION, TYPE A
INFRASAFE 2x3 TOP SLAB MODEL
ERO-11
JUNE 2009
AA
8-10" FABRIC FLAP
EXTENDING BEYOND
BOTTOM 2"x 4" - BURY
UNDER ROCK TO PREVENT
UNDERWASHING.
2'-6"
MONOFILAMENT GEOTEXTILE FABRIC AS
PER MNDOT TABLE 3886-1 (MS, HI
WOVEN GEOTEXTILE.) ADDITIONAL 8-10"
OF FABRIC
FLAP AT BOTTOM OF BOX
2" X 4" HORIZONTAL MEMBERS
CONTINUOUS AROUND TOP AND
BOTTOM. FASTENED TO EACH POST
USING 2-20D COMMON NAILS
WOODEN LATH SHALL BE NAILED
SECURELY TO THE POST MEMBER
TO SECURE FILTER FABRIC.
2" X 4" X 2.5' LONG
WOOD POSTS, 8 REQ'D.
NOTES:
-CONTRACTOR SHALL CONSTRUCT SILT BOX TO FIT AROUND THE
INLET STRUCTURE WITH 6" MINIMUM CLEARANCE TO EDGES OF
STRUCTURE.
-SILT BOX TO BE PLACED ON AN EVEN SURFACE 6" BELOW
STRUCTURE OPENING.
-TOP OF SILT BOX TO EXTEND 18" MINIMUM ABOVE EXISTING
GRADE.
1 1/2" WASHED ROCK
1' DEEP X 1' WIDE
PLATE NO.
LAST REVISION:
INLET PROTECTION, TYPE B
SILT BOX - YARD
ERO-12
JAN 2015
ELEVATION
ISOMETRIC VIEW
EXISTING GROUND
· PRE-MANUFACTURED UNIT BY
CIRCLE "H" ENTERPRISES
26 1/2"
25"
27 1/2"
STEEL RING
1 1/2" WIDE BY
1/8" THICK
EXPANDED STEEL 3/4"
OPENING, 13 GAUGE
1/2" THREADED ROD
WITH J-HOOK HOLDING
PROTECTOR TO CASTING
STEEL RING
STORM DRAIN
STEEL PROTECTOR WRAPPED WITH
WOVEN MONOFILAMENT GEOTEXTILE
TUCK EXCESS MATERIAL UNDER
LOWER RING TO FORM GASKET
SUPPORT STEEL
BRACKETS 1" WIDE
BY 0.2" THICK
PLATE NO.
LAST REVISION:
INLET PROTECTION, TYPE B
CIRCLE "H"
ERO-13
DEC 2018
ROTATE J-HOOK TO LOCK
PROTECTOR TO CASTING
ADD 6" OF CLEAR ROCK
AROUND BASE OF STRUCTURE
DEVICES TO BE INSTALLED IMMEDIATELY UPON
INSTALLATION OF CONCRETE STRUCTURE CONE
OR TOP SLAB. CASTING ASSEMBLY MUST ALSO
BE AT LEAST TEMPORARILY IN PLACE.
DEVICES SHOWN ARE AS MANUFACTURED BY
ROYAL ENTERPRISES. MODEL NO. 27"
INFRASAFE SEDIMENT CONTROL BARRIER-DG.
J-HOOK SHALL BE CONNECTED TO SLOT
IN CATCH BASIN CASTING OR STOOL GRATE.
GEOTEXTILE FILTER FABRIC
PER MnDOT TABLE 3886-1, (MS, HI
WOVEN GEOTEXTILE.)
MOLDED POLYETHYLENE
MOLDED RIM MUST SEAT
EVENLY ON CATCH BASIN
COVER OR FRAME.
OVERFLOW
OPENING
PLATE NO.
LAST REVISION:
INLET PROTECTION, TYPE B
INFRASAFE SEDIMENT CONTROL BARRIER
ERO-14
JAN 2015
FILTER ASSEMBLY
ISOMETRIC VIEW ELEVATION
POLYESTER SLEEVE
MANHOLE COVER
ASSEMBLY
CATCH BASIN
DEVICES TO BE INSTALLED IMMEDIATELY UPON
INSTALLATION OF CONCRETE STRUCTURE CONE
OR TOP SLAB.
DEVICES SHOWN ARE AS MANUFACTURED BY
WIMCO. MODEL NO. OF UNIT SHOWN: RD 27.
27"
WIMCO
RD 27
PLATE NO.
LAST REVISION:
INLET PROTECTION, TYPE B
ERO-15
JUNE 2009
OVERFLOW IS
1
2
OF THE
CURB BOX HEIGHT
PLAN
OVERFLOW AT TOP OF
FILTER ASSEMBLY
OVERFLOW IS 1/2 OF THE
CURB BOX HEIGHT
DEFLECTOR PLATE
HIGH-FLOW FABRIC
FILTER ASSEMBLY DIAMETER,
6" ON-GRADE,
10" AT LOW POINT
CURB
WIMCO ROAD DRAIN CG-23* HIGH FLOW
INLET PROTECTION CURB AND GUTTER
MODEL OR CITY APPROVED EQUAL.
* FOR THE NEW R-3290-VB STANDARD CASTING, INSTALL
WIMCO ROAD DRAIN CG-3290 OR CITY APPROVED EQUAL.
EXISTING CURB
INLET PROTECTION, TYPE C
CATCH BASIN INSERT
AFTER PAVING
PLATE NO.
LAST REVISION:
ERO-16
JUNE 2009
DEVICES TO BE INSTALLED
IMMEDIATELY UPON INSTALLATION
OF CASTING ASSEMBLY.
DEVICES SHOWN ARE AS
MANUFACTURED BY WIMCO.
WIMCO
CG 3250 S
WIMCO
CG 3250 B
POLYESTER
FILTER FABRIC
CURB
6" FILTER ASSEMBLY
OVERLOW THROUGH CENTER
OF FILTER ASSEMBLY
CURB INLET BLOCKED
WITH SNAKE SAND BAG
INLET PROTECTION, TYPE C
WIMCO
ERO-17
PLATE NO.
LAST REVISION:
JUNE 2009
INLET PROTECTION, TYPE C
SILT TRAPPER
ERO-18
DEVICE SHOWN IS MANUFACTURED BY STORM WATER SOLUTIONS
PLATE NO.
LAST REVISION:
JUNE 2009
6" X 6" TRENCH WITH LEADING EDGE
OF TYPE IV GEOTEXTILE FABRIC
STAPLED AT 1' INTERVALS AND
BACKFILLED WITH NATURAL SOIL
POINT 2
POINT 1
DITCH CHECK
ROCK/BIO WEEPER
OR CHECK DAM
6", 11 GAUGE METAL
STAPLES SPACED 2' O.C.
NOTE:
POINT 1 MUST BE A MINIMUM
OF 6" HIGHER THAN POINT 2 TO
ENSURE THAT WATER FLOWS
OVER THE DITCH CHECK AND
NOT AROUND THE ENDS.
MIN. 6" OVERLAP
IF NECESSARY,
STAPLE 1' O.C.
MnDOT 3733
GEOTEXTILE
FABRIC
F
L
O
W
F
L
O
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ROCK DITCH CHECK / WEEPER
SIZING & MATERIALS
ERO-19
>1.5
1
HEIGHT
(SEE TABLE)
MATERIALS
(SEE TABLE)
WIDTH
(SEE TABLE)
TYPE IV GEOTEXTILE FABRIC ANCHORED
IN 6" X 6" TRENCH WITH 6", 11 GAUGE
METAL STAPLES AT 1' INTERVALS
STAPLE DOWNSTREAM SIDE
OF FABRIC AT 2' INTERVALS
DIRECTION OF
SURFACE FLOW
HEIGHT WIDTH
(INCHES) (INCHES) MATERIAL
SMALL CHECK 24 12 - 18 MnDOT 3601 CLASS II RIP RAP
LARGE CHECK 36 24 - 30 MnDOT 3601 CLASS III RIP RAP
ROCK WEEPER 18 6 - 12 MnDOT 3882 TYPE 9 MULCH
NOTES:
1. DIG 6" X 6" TRENCH
2. LAY BLANKET IN TRENCH
3. STAPLE AT 1.5' INTERVALS
4. BACKFILL WITH NATURAL
SOIL AND COMPACT
6"
6"
1' TO 3'
PLATE NO.
LAST REVISION:
JUNE 2009
ANCHOR TRENCH DETAIL
(1 1/2" WASHED ROCK)
ISOMETRIC
CHECK DAM SECTION
POINT 2
POINT 1
COMPOST, STRAW OR WOOD
FIBER 12" DIA. ROLL ENCLOSED
IN POLYPROPYLENE NETTING
OR A GEOTEXTILE BAG.
STAKE
NOTE:
POINT 1 MUST BE A MINIMUM OF 6" HIGHER
THAN POINT 2 TO ENSURE THAT WATER
FLOWS OVER THE DIKE AND NOT AROUND
THE ENDS.
2" x 2" x 16" LONG WOODEN STAKES AT
1'-0" SPACING . STAKES SHALL BE DRIVEN
THROUGH THE BACK HALF OF THE FILTER
LOG AT AN ANGLE OF 45° WITH THE TOP
OF THE STAKE POINTING UPSTREAM.
STAKE
FLOW
BIOROLL
STAKE
45°
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FILTER LOG DITCH CHECK
ERO-20
PLATE NO.
LAST REVISION:
JUNE 2009
CULVERT/PIPE PROTECTION
ERO-21
OPTIONAL DEPRESSION
24"
POINT 1
POINT 2
TEMPORARY DITCH CHECK:
ROCK WEEPER, ROCK CHECK,
ROCK LOG OR 12" BIO LOG.
12"
FLO
W
NOTE:
POINT 1 MUST BE MINIMUM OF 6" HIGHER THAN POINT 2, TO ENSURE WATER
FLOWS THROUGH AND OVER THE CHECK AND NOT AROUND THE ENDS.
PLAN
PROFILE
FLOW
OPTIONAL
DEPRESSION
SMALL CHECK
ROCK WEEPER
HEIGHT
(INCHES)
24
18
WIDTH
(INCHES)
12-18
6-12
MATERIAL
MNDOT 3601 CLASS II RIP-RAP
MNDOT 3882 TYPE 9 MULCH
TEMPORARY
DITCH CHECK
CULVERT/PIPE
PLATE NO.
LAST REVISION:
JUNE 2009
(1 1/2" WASHED ROCK)
1-1/2" TO 3" DIA. WASHED
ROCK OR WOOD/MULCH
PER SPECIFICATIONS
18" MINIMUM CUT OFF BERM TO
MINIMIZE RUNOFF FROM SITE
NOTES:
1. MnDOT 3733 TYPE 4 FILTER FABRIC SHALL BE PLACED UNDER ROCK OR MULCH TO STOP MUD
MIGRATION THROUGH MATERIAL.
2. FUGITIVE ROCK OR MULCH WILL BE REMOVED FROM ADJACENT ROADWAYS DAILY OR MORE
FREQUENTLY AS NECESSARY.
3. CONSTRUCTION ENTRANCE MUST BE CONSTRUCTED PRIOR TO THE COMMENCEMENT OF GRADING
OPERATIONS ON THE SITE.
4. THE ENTRANCE MUST BE MAINTAINED IN PROPER CONDITION TO PREVENT TRACKING OF MUD OFF
THE SITE. THIS MAY REQUIRE PERIODIC TOPDRESSING WITH ADDITIONAL ROCK, WOOD/MULCH,
OR REMOVAL AND REINSTALLATION OF THE PAD.
5. THIS ENTRANCE WILL BE USED BY ALL VEHICLES ENTERING OR LEAVING THE PROJECT.
6. THE CONSTRUCTION ENTRANCE WILL BE REMOVED PRIOR TO THE PLACEMENT OF BITUMINOUS
SURFACING.
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ROCK-6" MIN. DEPTH,
WOOD/MULCH- 12" MIN. DEPTH
2
0
'
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W
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CONSTRUCTION ENTRANCE
ROCK
WOOD / MULCH
ERO-22
PLATE NO.
LAST REVISION:
DEC 2018
CONSTRUCTION ENTRANCE
AGES MUD MAT
ERO-23
CUT AWAY SECTION
PLAN VIEW
5.0 M (TYP.)
OVERLAP FLAP
CONNECTING
STRAPS
2.5 M
(TYP.)
END SEAM
MIN 2" DIAMETER
HIGH TENSILE
REINFORCING
MEMBER
SLEEVE
SEWN, CLIPPED OR
WELDED SEAMS
SEW ENDS OR CLIP SHUT TO
CONFINE REINFORCING
MEMBERS (NOT SHOWN)
UPPER LAYER OF
HIGH STRENGTH
FLEXIBLE FABRIC
OR MESH
MIN 2" DIAMETER HIGH
TENSILE REINFORCING
MEMBERS
BOTTOM LAYER OF
FLEXIBLE FABRIC
OR MESH
PLATE NO.
LAST REVISION:
JUNE 2009
SECTION A-A
BASIN STANDPIPE AND EMERGENCY OVERFLOW
PIPE OUTLET
EMERGENCY OVERFLOW- MnDOT 3601
CLASS II RIPRAP OVER MnDOT 3733
TYPE III GEOTEXTILE FABRIC
D = DIAMETER OF
STANDPIPE EQUAL TO
DIAMETER OF PIPE
PERFORATED
STANDPIPE
(RIGID PIPE)
1"-2" DIAM. ROCK
(CONE EQUAL TO 1/3 Z)
OUTLET- MnDOT
3601CLASS II RIP RAP
OVER MnDOT 3733 TYPE
III GEOTEXTILE FABRIC
6" BELOW
10-YR STORM
3
1
BERM STABILIZED WITH MnDOT 3885
CATEGORY 3 EROSION CONTROL BLANKET
OVERFLOW
NOTES:
BASIN USED FOR 10 ACRE DRAINAGE
AREA OR MORE.
DESIGN RUNOFF VOLUME IS FROM
A 2-YR, 24-HR STORM PER ACRE
DRAINED TO THE BASIN OR 1,800
CUBIC FEET OF LIVE STORAGE PER
ACRE DRAINED, WHICHEVER IS
GREATER.
WHERE PERMITTEES HAVE NOT
CALCULATED THE TWO (2)-YEAR,
24-HOUR STORM RUNOFF AMOUNT,
THE TEMPORARY BASIN MUST
PROVIDE 3,600 CUBIC FEET OF LIVE
STORAGE PER ACRE OF DRAINAGE
AREA
ANTI-SEEPAGE
COLLAR
PIPE
STANDPIPE & ROCK
MONOFILAMENT GEOTEXTILE FABRIC
PER MNDOT TABLE 3886-1,
(MS, HI WOVEN GEOTEXTILE.)
PLAN VIEW
A
W
DRAINAGE WAY
A
6' MIN.L = VARIABLE
I
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STANDPIPE
P
IP
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Z
D
1
0
'
M
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6
'
M
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2
1
EMERGENCY OVERFLOW
3/4" HOLES SPACED
8" TO 10" ON CENTER
ANTI-SEEPAGE COLLAR (TYP.)
C
L
TEMPORARY SEDIMENTATION BASIN
STANDPIPE OUTLET
ERO-24
PLATE NO.
LAST REVISION:
DEC 2018
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O
W
SECTION A-A
NOTE:
D=2.5' MIN., 5' MAX.
W=10' MIN., 25' MAX. W(FT.)=
10 X DRAINAGE AREA (AC.)
PLAN VIEW
MnDOT 3601 CLASS
II RIP RAP
A
W +
2'
DRAINAGE WAY
W
A
L = 2W 6' MIN.
1.5'
MnDOT 3733 TYPE III
GEOTEXTILE FABRIC
2
1
D
1% MIN. REVERSE GRADIENT
C
L
TEMPORARY SEDIMENT TRAP
ERO-25
1
0
'
M
I
N
.
6
'
M
I
N
.
2
1
EMERGENCY OVERFLOW
EMERGENCY OVERFLOW
(SEE DETAIL BELOW)
PLATE NO.
LAST REVISION:
DEC 2018
OVERFLOW DETAIL
6"
NOTE:
PIPE SHALL BE ANCHORED SECURELY
WITH HOLD-DOWN GROMMETS SPACED
8' ON CENTER
10" MIN. DIAM. PIPE (AS
APPROVED BY THE
ENGINEER.
PROFILE
DIVERSION MOUND
FLARED END
SECTION
1.5'
MIN
.
2' MIN.
ANTISEEPAGE COLLAR (TYP.)
S
L
O
P
E
3
%
O
R
S
T
E
E
P
E
R
WATERTIGHT CONNECTING BAND
RIPRAP
APRON
D
4' MIN.
@ LESS THAN
1% SLOPE
RIPRAP APRON PLAN
D= PIPE
DIAMETER
6D
PLAN
DIVERSION MOUND
PIPE
SLO
PE
RIP RAP APRON
ENSURE FLOW
INTO PIPE
FLOW
3D
DIVERSION MOUND AND
TEMPORARY PIPE DOWNDRAIN
ERO-26
DRAIN AREA (ACRES)
0.5
0.75
1.5
2.5
3.5
5
PIPE DIAMETER (INCHES)
12
15
18
21
24
30
PLATE NO.
LAST REVISION:
JUNE 2009
MnDOT 3601
CLASS III RIPRAP
TRACKED EQUIPMENT TREADS
CREATE GROOVES PERPENDICULAR
TO SLOPE DIRECTION.
UNDISTURBED VEGETATION
NOTE:
ALL SLOPES WITH A GRADE EQUAL TO OR STEEPER THAN 3:1 REQUIRE SLOPE
TRACKING. SLOPES WITH A GRADE MORE GRADUAL THAN 3:1 REQUIRE SLOPE
TRACKING IF THE STABILIZATION METHOD IS EROSION CONTROL BLANKET OR
HYDROMULCH.
S
L
O
P
E
SLOPE TRACKING
ERO-27
PLATE NO.
LAST REVISION:
JUNE 2009
PLATE NO.
LAST REVISION:
SEDIMENT CONTROL BARRIER (SCB)
UNCUT FRAME
ERO-28
FEB 2019
TOP VIEW FRAME
(UNCUT BOTTOM)
NOTE:
1. SEDIMENT CONTROL BARRIERS TO BE UTILIZED IN CONJUNCTION WITH A
STEEL PLATE ON CONSTRUCTION SITES TO TRAP SEDIMENTS, KEEPING
MANHOLES & PIPELINES FREE OF DEBRIS.
2. INSTALL TEMPORARY SEDIMENT CONTROL BARRIERS ON ALL NEW AND EXISTING
MANHOLES.
VARIES
23" OR 26"
VARIES
.300
.250
3.000
SIDE VIEW
23" OR 26"
DIAMETER
DIAMETER
VARIES