iSWM Construction Controls Standard Details

Published: January 2021

Addendum to: iSWM Technical Manual – Construction Controls

The following is a selection of iSWM construction control BMP schematics chosen to be provided in standard details. Details 1-10 were revised in 2018, and details 11-20 were revised in 2019.

1. ROCK CHECK DAMS

2. TEMPORARY EROSION CONTROL BLANKETS

3. DEWATERING CONTROLS

4. FILTER TUBE CURB INLET PROTECTION

5. HOG WIRE WEIR CURB INLET PROTECTION

6. CURB ROCK SOCK ON-GRADE CURB INLET PROTECTION

7. FILTER TUBE AREA INLET PROTECTION

8. SEDIMENT BASIN WITH OVERFLOW RISER

9. SILT FENCE

10. STABILIZED CONSTRUCTION EXIT

11. TEMPORARY EROSION CONTROL BLANKETS

12. TURF REINFORCEMENT MATS

13. VELOCITY DISSIPATION DEVICE

14. FILTER FABRIC AREA INLET PROTECTION

15. EXCAVATED INLET PROTECTION

16. EXCAVATED STONE OUTLET SEDIMENT TRAP

17. CONCRETE WASHOUT CONTAINMENT

18. GROUTED ROCK RIP-RAP DETAIL

19. TRASH SCREEN/CATCH DETAIL

20. TRASH RACK

iSWM Construction Controls Standard Details

ROCK CHECK DAM VIEW LOOKING UPSTREAMN.T.S.

N.T.S.

N.T.S.

SPACE BETWEEN ROCK CHECK DAMS

1.5'

FLOW2

L

TOE OF CHECK DAM TOP OF CHECK DAM

SAME ELEVATION

CONSTRUCTION CONTROLSiSWM™ TECHNICAL MANUAL

CROSS SECTION A-A

211

2

LENGTHWEIR

A

A

MIN.2'

1/2 D

D

1/2 D

DOWNSTREAM DAM SHALL BE AT THE SAME ELEVATION AS TOE OF UPSTREAM DAM-SPACING OF CHECK DAMS BASED ON GRADE OF THE SWALE OR DITCH. TOP OF

CONDITIONS-HEIGHT OF CHECK DAMS (D) BASED ON SWALE OR DITCH DIMENSIONS AND FLOW

DOCUMENT THE FOLLOWING PARAMETERS USED TO DESIGN THE CHECK DAM.CONDITIONS IN THE DRAINAGE SWALE OR DITCH. PROVIDE CALCULATIONS THAT ACTUAL DIMENSIONS OF THE CHECK DAMS SHALL BE DESIGNED BASED ON FLOW NOTES:

FIGURE 2.1 STANDARD CONSTRUCTION DETAIL - ROCK CHECK DAMS (1 OF 2)

1.5D (MIN.)

REVISED CHECK DAM

FILTER FABRIC

9"-36"

11

1FILTER FABRIC

REVISED IN 2018

ROCK CHECK DAM GENERAL NOTES:


FIGURE 2.1 NOTES ON ROCK CHECK DAM (2 OF 2)

AN APPROVED MANNER.DAM AND ACCUMULATED SILT SHALL BE REMOVED AND DISPOSED OF IN EROSION OR SEDIMENT CONTROL DEVICE IS EMPLOYED, THE CHECK 5. WHEN THE SITE HAS ACHIEVED FINAL STABILIZATION OR ANOTHER

BE REMOVED AND DISPOSED OF PROPERLY.OF THE CHECK DAM OR ONE FOOT, WHICHEVER IS LESS, THE SILT SHALL 4. WHEN SILT REACHES A DEPTH EQUAL TO ONE-THIRD OF THE HEIGHT

WASHOUT, CONSTRUCTION TRAFFIC DAMAGE, ETC.AS INTENDED DUE TO SILT ACCUMULATION AMONG THE ROCKS, AND SHALL BE REPLACED WHEN THE STRUCTURE CEASES TO FUNCTION 3. THE CHECK DAM SHALL BE INSPECTED AS SPECIFIED IN THE SWPPP INCHES IN DIAMETER DEPENDING ON EXPECTED FLOWS.2. STONE SHALL BE WELL GRADED WITH SIZE RANGE FROM 1 1/2 TO 3 1/2

CHECK DAM (ROCK).1. SEE NCTCOG STANDARD SPECIFICATIONS (2017), SECTION 202.9

REVISEDCHECK DAM

REVISED IN 2018

----

UM SIDE OVERLAP 4 INCH MINIM

OL BLANKET EROSION CONTR

N.T.S.

N.T.S.

REVISED IN 2018


EROSION CONTROL BLANKETS GENERAL NOTES:

6. INSPECTION SHALL BE AS SPECIFIED IN THE SWPPP.

JOINTS, AND FLUSHNESS OF THE STAPLES WITH THE GROUND. CHECKED FOR UNIFORM CONTACT WITH THE SOIL, SECURITY OF THE LAP 5. AFTER APPROPRIATE INSTALLATION, THE BLANKETS SHOULD BE

WIRE STAPLES, 6-INCHES IN LENGTH AND 1-INCH WIDTH WILL BE USED.4. IN ABSENCE OF MANUFACTURE'S LITERATURE, A MINIMUM 11-GUAGE

MATERIAL.PARTICULAR ATTENTION MUST BE PAID TO JOINTS AND OVERLAPPING LITERATURE FOR THE APPROVED EROSION CONTROL BLANKET. RECOMMENDATIONS SHOWN WITHIN THE MANUFACTURER'S PUBLISHED 3. INSTALLATION AND ANCHORING SHALL CONFORM TO THE

SLOPE.INSTALLATION AREA, EXCEPT FOR SMALL AREAS WITH LESS THAN 2% TRENCHING SHALL BE LOCATED ALONG THE ENTIRE PERIMETER OF THE DIRECT CONTACT WITH THE SOIL SHALL BE REMOVED. ANCHOR OBSTRUCTIONS THAT WOULD PREVENT THE BLANKET FROM LYING IN ALL ROCKS, DIRT CLODS, STUMPS, ROOTS, TRASH AND ANY OTHER 2. PRIOR TO THE INSTALLATION OF ANY EROSION CONTROL BLANKETS,

1. SEE NCTCOG STANDARD SPECIFICATIONS (2017) SECTION 202.15.

FIGURE 2.7 NOTES ON TEMPORARY EROSION CONTROL BLANKETS (2 OF 2)

REVISED EROSION CONTROL BLANKET

REVISED IN 2018

THE DRAWINGS.

FILTER BAGS ON

LOCATIONS OF

SHOW

WATER

PUMPED FILTER BAG

CONTAINMENT

SEDIMENT

FLOW

FILTERED WATER FLOW

FILTERED WATER FLOW


N.T.S.

SEDIMENT FILTER BAG PLAN VIEWN.T.S.

SEDIMENT FILTER BAG PROFILE

SEWN IN SPOUT

TO SPOUT

HOSE SECURED

PUMP DISCHARGE

PUMP

PUMP DISCHARGE HOSESEDIMENT CONTAINMENT FILTER BAGWATER TO BE PUMPED

SIPHON HOSE PLACED IN

RECOMMENDATIONS)

(PER MANUFACTURERS

PROTECT FILTER BAG

UNDERLAYMENT TO

OTHER PREPARED

MULCH, STRAW, OR

ESTABLISHED GRASS,

COURSE AGGREGATE,

REVISED DEWATERING CONTROLS

FIGURE 3.4 STANDARD CONSTRUCTION DETAIL - DEWATERING CONTROLS

DEWATERING CONTROL GENERAL NOTES:

LITERATURE.AND PUMPS SHOULD CONFORM TO PUBLISHED MANUFACTURER 2. CAPACITY, INSTALLATION, MAINTENANCE , AND REMOVAL OF BAGS

D-4751.THAT MEETS ASTM CRITERIA-D4632 , D4833, D-3786, D-4355, D-4491, AND 1. THE BAG SHOULD BE A NON-WOVEN, NEEDLE-PUNCHED, GEOTEXTILE

REVISED IN 2018

CURB

INLET

CURB

OPENING

MIN. NO.

BLOCKS

4'-6'

8'-10'

12'-14'

16'-20'

1

2

3

4

ALTERNATIVE FORM FOR TYPE A

CURB INLET PROTECTION

CROSS SECTIONPLAN VIEW

TYPE A CURB INLET PROTECTION

PLAN VIEW

CROSS SECTION

1. DOUBLE WRAP OF FLEXIBLE

WIRE MESH WITH MESH

OPENING 3/4" MAX., OR

2. PLASTIC NETTING DOUBLE

WRAPPED WITH 1/2" MAX.

OPENING, OR

3. GEOSYNTHETIC TUBES

NOTE: PLASTIC OR

WIRE TIES AROUND

WIRE OR PLASTIC

MESH EVERY

12"-18" OR MORE

AS NEEDED.

MATERIAL

OR MULCH FILTER

" FILTER STONE 211

WIRE FABRIC

4"X4" WELDED

CURB

INLET

STD. CMU BLOCK

ON BOTH SIDES

END OF CURB OPENING

24" MIN. BEYOND

FILTER MATERIAL

EXTENDED WRAPPED

ON BOTH SIDES

END OF CURB OPENING

24" MIN. BEYOND

FILTER MATERIAL

EXTENDED WRAPPED

2" GAP

BETWEEN TOP

OF WRAPPED

FILTER AND

TOP OF INLET

OPENING

202.14 AND 202.18

SPECIFICATIONS (2017), SECTION

NOTE: SEE NCTCOG STANDARD


REVISEDINLET PROTECTION

12"

APPROVED BY CITY

STREETS UNLESS

ACTIVE CITY

NOT ALLOWED ON

PLACED WHEN LOCATED ON AN ACTIVE STREET.

NOTE: VERTICAL PANEL BARRICADES TO BE

FILTER TUBE CURB INLET PROTECTION

FIGURE 3.6 STANDARD CONSTRUCTION DETAIL -

REVISED IN 2018

VARIES

INLET

18''

CUT AWAY OF

FILTER FABRIC

EXTEND 2'-0'' MINIMUM BEYOND

INLET OPENING AT EACH END. 3'' OVERLAP AT

FABRIC SPLICES.

MINIMUM 2'' HIGH

CLEAR OPENING

(SEE TABLE EC1)

2''X4''-W1.4XW1.4

FLOW

FLOW

18" MIN.

OVERLAP

12"18"

STRUCTURE.WIRE FABRIC

N.T.S.

HOG WIRE WEIR CURB INLET PROTECTION CROSS SECTION

N.T.S.

HOG WIRE WEIR CURB INLET PROTECTION ISOMETRIC VIEW

ROCK BAGS @3' O.C.

ROCK BAGS @3' O.C.


REVISED INLET PROTECTION

REFERENCE: NCTCOG STANDARD SPECIFICATIONS (2017), SECTION 202.14

HOG WIRE WEIR CURB INLET PROTECTION (1 OF 2)


FILTER STONE

FILLED WITH 1 1/2"

ROCK BAGS

APPROVED BY CITY

STREETS UNLESS

ACTIVE CITY

NOT ALLOWED ON

WHEN AN ENGINEER HAS DETERMINED THERE IS ADEQUATE STORAGE OR POSITIVE OVERFLOW.

NOTE: THIS CONTROL WILL DECREASE THE CAPACITY OF THE INLET. IT SHALL ONLY BE USED

REVISED IN 2018

CURBCURB

SIDEWALK

STORM SEWER INLET

18"

18"

12" MIN.

ROCK BAGS SHALL BE EVENLY SPACED

ALONG TOP AND ALONG THE FRONT OF

INLET.

N.T.S.

INLET

OPENINGOF ROCK BAGS

TOP FRONT

5'

10'

15'

20'

MINIMUM NUMBER

2

3

3

4

3

3

4

4

18"

FLOW

12"

TABLE EC1

HOG WIRE WEIR CURB INLET PROTECTION PLAN VIEW

INLET PROTECTIONS SHALL BE REMOVED AS SOON AS THE SOURCE OF SEDIMENT IS STABILIZED.3.

INSPECTION SHALL BE MADE BY THE CONTRACTOR AND SILT ACCUMULATION MUST BE REMOVED WHEN DEPTH REACHES 2".2.

FABRIC MUST BE SECURED TO WIRE BACKING WITH CLIPS OR HOG RINGS AT THIS LOCATION.

A SECTION OF FILTER FABRIC SHALL BE REMOVED AS SHOWN ON THIS DETAIL TO PROVIDE A 2" MINIMUM CLEAR OPENING. 1.

NOTES:



HOG WIRE WEIR CURB INLET PROTECTION (2 OF 2)


REVISED IN 2018

INLET BOX

TOP OF

FLOW


CURB

FLOW

OVER-

3'-5' TYP.

5' MIN.

ENCLOSED IN WIRE MESH

1 1/2" CRUSHED ROCK

4" TO 6" MAX AT CURBS

2" IN SOILOR HARD SURFACE,0" ON BEDROCK

ENCLOSED IN WIRE MESH

1 1/2" CRUSHED ROCK

WIRE TIE ENDS

ROCK SOCK SECTIONN.T.S. N.T.S.

ROCK SOCK PLAN

CURB ROCK SOCK ON-GRADE CURB INLET PROTECTION DETAILN.T.S.

CURB ROCK SOCK ON-GRADE CURB INLET PROTECTION (1 OF 2)


ROCK SOCK

ROCK SOCK

2' MAX

SURFACE

GROUND

PAVEMENT OR

REVISEDROCK SOCK

30 DEGREESAPPROXIMATE

REVISED IN 2018


CURB ROCK SOCK ON-GRADE CURB INLET PROTECTION (2 OF 2)


CURB ROCK SOCK ON-GRADE CURB INLET PROTECTION GENERAL NOTES:

5. MINIMUM OF 2 CURB ROCK SOCKS.

4. MAXIMUM ROCK SOCK DIAMETER 4" TO 6".

3. ROCK SOCKS MAY BE USED ON PAVED OR UNPAVED SURFACES.

INTO AN ACTIVE TRAVEL LANE.2. DO NOT INSTALL ON INLETS WHERE THE ROCK SOCKS WOULD EXTEND LOW POINT) TO TRAP SEDIMENT.1. THIS DETAIL IS INTENDED FOR USE WITH ON-GRADE INLETS (NOT A

REVISED ROCK SOCK

REVISED IN 2018

12"

MINIM

UM

2"

EROSION CONTROL LOG

CONTROL LOG.

SIDE OF EROSION

MATERIAL ON UPHILL

PLACE EXCAVATED

UNDERCUTTING.

SOIL TO PREVENT

NOTE: COMPACT EXCAVATED

24" 24" MINIMUM

OVERLAP ENDS TIGHTLY

DIRECTED

STAKE AS

OF LOG TO

SECURE END

FLOWFLOW

EROSION CONTROL LOG

AREA DRAIN INLETS WITH

DRAINAGE ACCESS TO

COMPLETELY SURROUND

INLET

DROP

IN PLACE (TYPICAL)

HOLD

LOG AS NEEDED TO

ON DOWNHILL SIDE OF

SANDBAGS

STAKE OR USE

(12 " MIN.)

CONTROL LOG

TEMP. EROSION

INLET

"Y"

MINIMUM

12" DIAMETER

MIN.

1" - 2"

TUBE)

THROUGH THE

(AS SHOWN OR

2' TO 4' LONG.

or #3 REBAR,

2" x 2" WOOD


WOOD STAKES

METAL OR

6" MIN.

WOOD STAKES

METAL OR

SPECIFIED ON PLAN

*DIAMETER = XX" AS

FILTER TUBE

SPECIFIED ON PLAN

*DIAMETER = XX" AS

FILTER TUBE


FIGURE 3.13 STANDARD CONSTRUCTION DETAIL - FILTER TUBE AREA INLET PROTECTION

INLET PROTECTION PLAN VIEWFILTER TUBE AREA

N.T.S.

PROTECTION CROSS SECTIONFILTER TUBE "Y" INLET

N.T.S.

FOR FILTER TUBEEMBEDMENT EXAMPLE

N.T.S.

PROTECTION CROSS SECTIONFILTER TUBE DROP INLET

N.T.S.

TRENCHBEDDING1 1/2 " -2"

TRENCHBEDDING1 1/2 " -2"

NOTE: SEE NCTCOG STANDARD SPECIFICATIONS (2017), SECTION 202.18

REVISED IN 2018

21

31


A A

ANCHOR BLOCK

EARTH BERM

ACCEPTABLE MATERIAL

MATTINGS OR OTHER

STABILIZATION - RIP RAP,

RISER

DEWATERING

OUTFALL PIPE

CLAY BERM

COMPACTED

HIGH FLOW OUTLET

ELEVATION

SPILLWAY

EMERGENCY1' MIN.

1' MAX.

1' MAX.

DESIGN CAPACITY

DESIGN HIGH WATER

CROSS SECTION A-AN.T.S.

PLAN VIEWN.T.S.

6' MIN.

OUTLET

STABILIZED

VEGETATION

PERMANENT

TEMPORARY OR

STABILIZED WITH

EMBANKMENT

INSTALLATIONREQUIRED FOR EACH CONTROL PLANS IS THE EROSION INFORMATION ON *SPECIFIC DESIGN

REQUIREDCOMPUTATION

DESIGN

REVISED SEDIMENT BASIN

(AS NEEDED)BLOCKSDISSIPATION ENERGY CONCRETE

EMERGENCY SPILLWAY

REFERENCE: NCTCOG iSWM CRITERIA MANUAL FOR SITE DEVELOPMENT AND CONSTRUCTION, SECTION 3.9 SEDIMENT BASIN.

SEDIMENT BASIN WITH OVERFLOW RISER


SLOPE TO DRAIN

OR FLATTER.SLOPES SHOULD 3:1 MAY VARY. SIDE NECESSARY, SHAPE FOR STORAGE AS EXCAVATED AREA

REVISED IN 2018


FLOW

TRENCH

SILT FENCE

(MIN. HEIGHT

24" ABOVE

EXIST. GROUND)

COMPACTED EARTH

6" MIN.

STEEL FENCE POST

BACKING SUPPORT4x4-W1.4xW1.4 MINIMUMALLOWABLE, TYP. CHAIN

LINK FENCE FABRIC IS

ACCEPTABLE

WIRE MESH

6" MIN.

12"

FABRIC TOE-IN

H

1/2 H

8' MAX.

5' MIN.

EACH SIDE

SILT FENCE

1 1/2" FILTER

STONE

FLOW

12"

ISOMETRIC PLAN VIEWN.T.S.

SILT FENCE OVERFLOW STRUCTUREN.T.S.

FENCE

SIDE OF SILT

STONE, EACH

6" MIN. TOP OF

MAX. 6' SPACING,

MIN. EMBEDMENT=1'

BACKFILL

REVISED SILT FENCE

FIGURE 3.28 STANDARD CONSTRUCTION DETAIL - FOR SILT FENCE (1 OF 2)

REVISED IN 2018


SILT FENCE GENERAL NOTES:

REVISED SILT FENCE

10. SEE NCTCOG STANDARD SPECIFICATIONS (2017), SECTION 202.5

TO ADDITIONAL SILTATION.AT AN APPROVED SITE AND IN SUCH A MANNER AS TO NOT CONTRIBUTE OF HALF THE HEIGHT OF THE FENCE. THE SILT SHALL BE DISPOSED OF 9. ACCUMULATED SILT SHALL BE REMOVED WHEN IT REACHES A DEPTH

EMPLOYED.ACHIEVED OR ANOTHER EROSION OR SEDIMENT CONTROL DEVICE IS 8. SILT FENCE SHALL BE REMOVED WHEN FINAL STABILIZATION IS

REPLACEMENT SHALL BE MADE PROMPTLY AS NEEDED.7. INSPECTION SHALL BE AS SPECIFIED IN THE SWPPP. REPAIR OR

WHERE ENDS OF FABRIC MEET.POST. THERE SHALL BE A 3 FOOT OVERLAP, SECURELY FASTENED POST OR TO WIRE BACKING, WHICH IN TURN IS ATTACHED TO THE FENCE 6. SILT FENCE SHOULD BE SECURELY FASTENED TO EACH SUPPORT

AND BACKFILLED WITH COMPACTED MATERIAL.WIDE TO ALLOW FOR THE SILT FENCE FABRIC TO BE LAID IN THE GROUND 5. THE TRENCH MUST BE A MINIMUM OF 6 INCHES DEEP AND 6 INCHES

TRENCH IS FLAT AND PERPENDICULAR TO THE LINE OF FLOW.OR MECHANICAL TRENCHER, SO THAT THE DOWNSLOPE FACE OF THE 4. THE TOE OF THE SILT FENCE SHALL BE TRENCHED IN WITH A SPADE

BE EMBEDDED A MINIMUM OF ONE FOOT.SLIGHT ANGLE TOWARD THE ANTICIPATED RUNOFF SOURCE. POST MUST 3. POST WHICH SUPPORT THE SILT FENCE SHALL BE INSTALLED ON A

LENGTHS SHALL BE A MINIMUM OF 10 FEET.SILT FENCE IS TO BE TURNED UPSLOPE AT THE ENDS. UPSLOPE 2. DESIGNER SHALL SHOW ON THE DRAWINGS THE LOCATIONS WHERE

APPROXIMATELY 300 FEET WHERE NO LOW POINT IS APPARENT.STRUCTURES ARE REQUIRED AT ALL LOW POINTS AND AT A SPACING OF OVERFLOW STRUCTURES SHALL BE INSTALLED. OVERFLOW 1. DESIGN SHALL SHOW ON THE DRAWINGS THE LOCATIONS WHERE

FIGURE 3.28 NOTES FOR SILT FENCE (2 OF 2)

REVISED IN 2018


STABILIZATION AND STREET PAVED SURFACE

LENGTH AS SHOWN ON PLANS

GRADE TO PREVENT RUNOFF

FROM LEAVING SITE

EXISTING GRADE

PAVED SURFACE

TRANSITION TO

R.O.W.

6" MIN.

FILTER FABRIC

RADIUS

= 5' MIN.

DRAINAGE MUST FLOW

AWAY FROM ENTRANCE

GRADE TO DRAIN AWAY FROM

PAVED SURFACE

PROFILE VIEWN.T.S.

PLAN VIEWN.T.S.

LEAVE THE SITE AND ENTER ROADWAYS

STORM WATER IS NOT ALLOWED TO

ENTRACE MUST BE SLOPED SO THAT

LENGTH (MIN. 50')

W

30' MIN. FOR > 5 AC SITES

20' MIN. FOR < 5 AC SITES

WIDTH (W)

FIGURE 3.29 STANDARD CONSTRUCTION DETAIL - STABILIZED CONSTRUCTION EXIT (1 OF 2)

REVISED STABILIZED CONSTRUCTION EXIT

REVISED IN 2018


STABILIZED CONSTRUCTION ENTRANCE GENERAL NOTES:

FIGURE 3.29 NOTES FOR STABILIZED CONSTRUCTION EXIT (2 OF 2)

REVISED STABILIZED CONSTRUCTION EXIT

9. INSPECTION SHALL BE SPECIFIED IN THE SWPPP.

CONSTRUCTION SITE.A DRAINAGE SWALE TO PREVENT RUNOFF FROM LEAVING THE 8. THE ENTRANCE MUST BE PROPERLY GRADED OR INCORPORATE SURFACES MUST BE REMOVED IMMEDIATELY.SPILLED, DROPPED, WASHED, OR TRACKED ONTO PAVED ADDITIONAL STONE AS CONDITIONS DEMAND. ALL SEDIMENT SURFACES. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO PAVED 7. THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH DRAIN, DITCH OR WATERCOURSE USING APPROVED METHODS.SEDIMENT SHALL BE PREVENTED FROM ENTERING ANY STORM FROM BOTH THE STREET AND THE STABILIZED ENTRANCE. ALL WITH CRUSHED STONE WITH DRAINAGE FLOWING AWAY WASHING IS REQUIRED, IT SHALL BE DONE ON AN AREA STABILIZED SEDIMENT PRIOR TO ENTRANCE ONTO A PUBLIC ROADWAY. WHEN 6. WHEN NECESSARY, VEHICLES SHALL BE CLEANED TO REMOVE GREATER THAN 5 AC, AT ALL POINTS OF INGRESS OR EGRESS.5. THE WIDTH SHALL BE NO LESS THAN 20' FOR SITES LESS THAN 5 AC, AND 30' FOR SITES LENGTH OF 50 FEET.4. LENGTH SHALL BE SHOWN ON PLANS, WITH A MINIMUM CEMENT CONCRETE ALLOWED.3. STONE SHALL BE 3 TO 5 INCH DIAMETER COURSE AGGREGATE, NO CRUSHED PORTLAND

2. THE THICKNESS SHALL NOT BE LESS THAN 6 INCHES. 1. SEE NCTCOG STANDARD SPECIFICATIONS (2017), SECTION 202.11

REVISED IN 2018

iSWM™ TECHNICAL MAN�UAL�-------

LBLANKET EROSION CONTRO REVISED

ECB ISOMETRIC PLAN VIEW N.T.S.

N.T.S.

REVISED IN 2019

N.T.S.


N.T.S.

REVISEDEROSION CONTROL BLANKET

TOP OF SLOPE ANCHOR EXAMPLE 1

3' MIN.

6"

3' MIN.

6"6"

MANUFACTURER

RECOMMENDED BY

STAPLE SPACING AS

MINIMUM 1 ROW OF STAPLES 12" O.C.

SLOPE < 2%

ALL CRITICAL POINTS

INSTALL STAPLES AT

CONTRACTOR SHALL

LESS THAN 2% SLOPE

FOR AREAS WITH

ALONG PERIMETER

MAY BE OMITTED

ANCHOR TRENCH

TO SLOPE

BLANKET PERPENDICULAR

INSTALL EROSION CONTROL

OR OBJECTIONAL MATERIAL

FREE OF ROCKS, CLODS, STUMPS

FINISHED SLOPE

OVERLAP

MIN.

SLOPE > 2%TO SLOPE

BLANKET PERPENDICULAR

INSTALL EROSION CONTROL

MIN.

OR OBJECTIONAL MATERIAL

FREE OF ROCKS, CLODS, STUMPS

FINISHED SLOPE

TOP OF SLOPE ANCHOR TRENCH EXAMPLE 2

FILL OR GRAVEL

COMPACTED BACK-

ANCHOR TRENCH

ANCHOR EXAMPLES FOR TEMPORARY EROSION CONTROL BLANKETS (2 OF 3)


REVISED IN 2019


EROSION CONTROL BLANKETS GENERAL NOTES:

REVISED EROSION CONTROL BLANKET

FIGURE 2.8 NOTES ON TEMPORARY EROSION CONTROL BLANKETS (3 OF 3)

8. INSPECTION SHALL BE AS SPECIFIED IN THE SWPPP.

FLUSHNESS OF THE STAPLES WITH THE GROUND. SHOULD BE CHECKED FOR UNIFORM CONTACT WITH THE SOIL, SECURITY OF THE LAP JOINTS, AND 7. AFTER APPROPRIATE INSTALLATION, THE BLANKETS

IN LENGTH AND 1-INCH WIDTH WILL BE USED.6. IN ABSENCE OF MANUFACTURER'S LITERATURE, A MINIMUM 11-GUAGE WIRE STAPLES, 6-INCHES

OF ROLLS SHALL OVERLAP 4 INCHES.THE END OF EACH ROLL OF ECB SHALL OVERLAP THE NEXT ROLL BY 3 FEET AND THE SIDESPARTICULAR ATTENTION MUST BE PAID TO JOINTS AND OVERLAPPING MATERIAL. AT A MINIMUM, THE MANUFACTURER'S PUBLISHED LITERATURE FOR THE APPROVED EROSION CONTROL BLANKET. 5. INSTALLATION AND ANCHORING SHALL CONFORM TO THE RECOMMENDATIONS SHOWN WITHIN

FOR ANCHORING BASED ON THE SITE-SPECIFIC APPLICATION.MANUFACTURER MAY RECOMMEND. ALWAYS FOLLOW THE MANUFACTURER'S RECOMMENDATIONS 4. ANCHORING METHODS PROVIDED ARE EXAMPLES OF THE TYPE OF ANCHORING THE ECB

SLOPE, SHALL BE REMOVED.OBSTRUCTIONS THAT WOULD PREVENT THE BLANKET FROM DIRECT CONTACT WITH THE FINISHED 3. PRIOR TO THE INSTALLATION: ALL ROCKS, DIRT CLODS, STUMPS, ROOTS, TRASH AND ANY OTHER

2. EROSION CONTROL BLANKET SHALL BE INSTALLED VERTICALLY DOWN SLOPE AS SHOWN.

1. SEE NCTCOG STANDARD SPECIFICATIONS (2017) SECTION 202.15.

REVISED IN 2019

iSWM™ TECHNICAL MANUAL

TRM SHOULD BE INSTALLED VERTICALLY DOWNSLOPE

REFER TO UPSTREAM END ANCHOR EXAMPLE

Cl-f4

�

--

------

CONSTRUCTION CONTROLS

8"-10" MIN. OVERLAP OR

1 PER MANUFACTURES

-.t-4,._ RECOMMENDATIONS �--.,;..:..

REFER TO TRM PERIMETER ANCHOR EXAMPLE

REFER TO DOWNSTREAM END ANCHOR EXAMPLE

PERMANENT EROSION CONTROL BLANKET

TOE ANCHOR DETAIL

TRM HALF ISOMETRIC PLAN VIEW

3'MIN.

OVERLAP

N.T.S.

1RlJi ,Ns1f"J-�,o.1\J'-RpE.Rf>� o\J'J

HED LOPE

STAPLE SPACING AS RECOMMENDED BY MANUFACTURER

FINISHED SLOPE

STAPLE SPACING AS RECOMMENDED BY MANUFACTURER

END OF TRM OVERLAP EXAMPLE TOE ANCHOR DETAIL N.T.S.

TURF REINFORCEMENT MATS NOTES:

1. TURF REINFORCEMENT MATS SHALL BE INSTALLED VERTICALLY DOWN SLOPE AS SHOWN.

2. PRIOR TO THE INSTALLATION: ALL ROCKS, DIRT CLODS, STUMPS, ROOTS, TRASH AND ANY OTHEROBSTRUCTIONS THAT WOULD PREVENT THE MAT FROM DIRECT CONTACT WITH THE FINISHEDSLOPE, SHALL BE REMOVED.

FIGURE 2.11 SCHEMATICS OF PERMANENT TURF REINFORCEMENT MATS (1 OF 3)

TURF REINFORCEMENT MATS REVISED

N.T.S.

REVISED IN 2019

REQUIREMENTS STATED ABOVE.CHANNEL WIDTHS 0' TO 8'. CONTRACTOR SHALL VERIFY MAT MEETS OVERLAP AND SLOPENOTE: LONGITUDINAL INSTALLATION OF TURF REINFORCEMENT MAT PERMITTED ONLY FOR


REVISEDTURF REINFORCEMENT MATS

HEIGHT OF SLOPEAT LEAST 1/3 THE 18" MIN. OVERLAP

3' MIN. OVERLAP

END ANCHOR EXAMPLEREFER TO DOWNSTREAM

END ANCHOR EXAMPLEREFER TO UPSTREAM

FL

OW

CHANNELTHE FLOWLINE OF THE NOT PERMITTED WITHIN LONGITUDINAL SEAMS

PIECE TRM1 CONTINUOUS

MANUFACTURERWIDTH VARIES BY

N.T.S.

TRM ISOMETRIC PLAN VIEW FOR SMALL CHANNELS/DITCHES


ANCHOR EXAMPLE

REFER TO END OF TRM

REVISED IN 2019


REVISEDTURF REINFORCEMENT MATS

6"

6" 6"

6"

N.T.S.

TRM PERIMETER ANCHOR EXAMPLE

N.T.S.

TRM UPSTREAM END ANCHOR EXAMPLE

N.T.S.

TRM DOWNSTREAM END ANCHOR EXAMPLE

6"

3' MIN.

6"6"

MANUFACTURER

RECOMMENDED BY

STAPLE SPACING AS

MANUFACTURER

RECOMMENDED BY

STAPLE SPACING AS

OR GRAVEL

COMPACTED BACKFILL

FLOW

CHANNEL

RECOMMENDATION

MANUFACTURER

PATTERN PER

STAPLE TYPE &

RECOMMENDATION

MANUFACTURER

PATTERN PER

STAPLE TYPE &

FLOW

CHANNEL

OR GRAVEL

COMPACTED BACKFILL MANUFACTURER

RECOMMENDED BY

STAPLE SPACING AS

OR GRAVEL

COMPACTED BACKFILL

SLOPE

FINISHED

SLOPE

FINISHED

SLOPE

FINISHED

PERPENDICULAR TO SLOPE

CONTROL BLANKET

INSTALL EROSION


REVISED IN 20199


N.T.S.

TEMPORARY VELOCITY DISSIPATION DEVICE PLAN VIEW

RECYCLED CONCRETE RIPRAP

WELL GRADED STONE OR

*

T2T ELEVATION

OVERFALL

ELEVATION

RECEIVING

RECYCLED CONCRETE RIPRAP

WELL GRADED STONE OR

SLOPE = 0%ON APRON

1

1

N.T.S.

TEMPORARY VELOCITY DISSIPATION DEVICE PROFILE VIEW

D

D

MIN.

REQUIRED FOR EACH INSTALLATION

THE EROSION CONTROL PLANS IS

SPECIFIC DESIGN INFORMATION ON

0.5 x D

MIN.

AP

RO

N W

IDT

H

3 x PIP

E DIA

ME

TE

R (

D) + L

0.75L

REVISEDVELOCITY DISSIPATION DEVICE

FIGURE 2.13 SCHEMATICS OF VELOCITY DISSIPATION DEVICE

NCTCOG 202.13

SLOPE DRAIN PER

TEMPORARY PIPE

NCTCOG 202.13

SLOPE DRAIN PER

TEMPORARY PIPE

USED TO DESIGN THE APRON.

PROVIDE CALCULATIONS THAT DOCUMENT THE FOLLOWING PARAMETERS

FLOW CONDITIONS. TEMPORARY CONTROL DESIGN STORM (2-YEARS, 24-HOUR).

NOTE: DIMENSIONS OF THE RIPRAP APRON SHALL BE DESIGNED BASED ON

pipe

50

MEDIAN STONE DIAMETER d AND MAXIMUM STONE DIAMETER (d ), FEET

CONCRETE RIPRAP

DETERMINE GRADATION FOR d WELL GRADED STONE OR RECYCLED

DISCHARGE VELOCITY FROM DRAINAGE STRUCTURE, V , FT/S

PIPE DIAMETER (OR EQUIVALENT FOR FLUME, SWALE, ETC.), D, FEET

10050

1

1

NCTCOG 202.12.2.3

FILTER FABRIC PER

MINIMUM APRON LENGTH (L) = 10-FT

REVISED IN 2019

FL. ELEV. INLET

FILTER FABRIC

BOTTOM OF

FILTER FABRIC

BOTTOM OF

TOP OF GRATE

A

AFLO

W

5% S

LOPE

LESS T

HAN

GRATE INLET

12" MIN.

12" MIN.

INLET

DROP

36"

36"

SEE NOTE 2

18" MAX.

SEE NOTE 2

18" MAX.

GREATER THAN 6' BETWEEN CORNER POSTS.

AND BETWEEN CORNERS IF THE DISTANCE IS

4. POST SHALL BE INSTALLED AT EACH CORNER

CONSTRUCTED ON ONE SIDE OF THE INLET.

REQUIRE A STONE OVERFLOW STRUCTURE TO BE

ONE OR MORE SIDES TOWARD THE INLET MAY

3. CONCENTRATED DITCH FLOW COMING FROM

DAMAGE.

WILL NOT CAUSE FLOODING OF PROPERTY OR

MUST BE CHECKED TO VERIFY PONDING WATER

THE INLET SHALL BE SHOWN ON THE PLANS AND

2. HEIGHT OF INLET PROTECTION SURROUNDING

SECTION 202.5.2.2

1. STAKES SHALL CONFORM TO SPECIFICATIONS

NOTE:


FIGURE 3.10 SCHEMATICS OF FILTER FABRIC AREA INLET PROTECTION

N.T.S.

AREA INLET PROTECTION FILTER BARRIER PLAN VIEW


OR GRAVEL

COMPACTED EARTH

BACKFILLED WITH

ANCHOR TRENCH 6"x6"

OR GRAVEL

COMPACTED EARTH

BACKFILLED WITH

ANCHOR TRENCH 6"x6"

N.T.S.

FILTER FABRIC DROP INLET PROTECTION CROSS SECTION (A-A)

N.T.S.

FILTER FABRIC GRATE INLET PROTECTION CROSS SECTION (A-A)

VARIES

VARIES

INLET THROAT

FOR CLOSURE OVERLAP

NEXT STAKE

FILTER FABRIC TO

FOR CLOSURE OVERLAP

NEXT STAKE

FILTER FABRIC TO

SIDES

FRAMED 4

2"x4" WOOD

SIDES

FRAMED 4

2"x4" WOOD

OR CAP NAILS

PNEUMATIC STAPLES

FRAME USING 1/2

AND 1/2 WIRE MESH TO

ATTACH FILTER FABRIC

(DROP OR GRATE)

TOP OF INLET

ALL SIDES SEE NOTE 4

POST IF REQUIRED

ADDITIONAL MIDSPAN

2"x4" WOOD FRAME

6'

(VARIES)

STAKE

FABRIC TO NEXT

OVERLAP FILTER

FOR CLOSURE

APRON

CONCRETE

OR CAP NAILS

PNEUMATIC STAPLES

FRAME USING 1/2

AND 1/2 WIRE MESH TO

ATTACH FILTER FABRIC

FILTER FABRIC (NCTCOG 202.5)

FILTER FABRIC (NCTCOG 202.5)

6" MIN.

6" MIN.

REVISED IN 2019

MIN.

MIN.

GRATE INLET

INLET

DROP

CONSTRUCTED ON ONE SIDE OF THE INLET.

REQUIRE A STONE OVERFLOW STRUCTURE TO BE

ONE OR MORE SIDES TOWARD THE INLET MAY

2. CONCENTRATED DITCH FLOW COMING FROM

DISTURBED.

VOLUME OR 3,600 CUBIC FEET PER ACRE

1. STORAGE VOLUME SHALL BE DESIGN STORM

NOTE:



N.T.S.

N.T.S.

FIGURE 3.11 SCHEMATICS OF EXCAVATED INLET PROTECTION

EXCAVATED INLET PROTECTION GRATE INLET SECTION A-A

EXCAVATED INLET PROTECTION "Y" INLET SECTION A-A

12"PER NCTCOG 504.2.2.1

" FILTER STONE21

1

12" MIN.3" MIN.

12"PER NCTCOG 504.2.2.1

" FILTER STONE21

1

3" MIN.12" MIN.

2' MAX.

1' MIN.

FINISHED GROUND

1

2 MAX.

SEE NOTE 1.

BY ENGINEER.

DETERMINED

VOLUME AS

STORAGE

SEDIMENT

N.T.S.

EXCAVATED INLET PROTECTION PLAN VIEW

INLET (GRATE OR DROP)

" FILTER STONE21

1

2 MAX.

1

2' MAX.

1' MIN. 1

2 MAX.

FINISHED GROUND

STORAGE AREA.

PRIOR TO BACKFILLING

TO BE FILLED WITH GROUT

REQUIRED. WEEP HOLES

WEEP HOLES (3/4" MIN.) AS

STORAGE AREA.

PRIOR TO BACKFILLING

TO BE FILLED WITH GROUT

REQUIRED. WEEP HOLES

WEEP HOLES (3/4" MIN.) AS

SEE NOTE 1.

BY ENGINEER.

DETERMINED

VOLUME AS

STORAGE

SEDIMENT

NCTCOG 202.12.2.3

FILTER FABRIC PER

NCTCOG 202.12.2.3

FILTER FABRIC PER

FLOW

FLOW

FLOW

FLOWA

A

REVISED IN 2019


·EXTENT OF GRADING TO PROVIDE THE CONTROLLED OUTLET ·STORAGE VOLUME ·HEIGHT, SLOPE, AND LENGTH OF STONE OUTLET ·DESIGN STORM VOLUME AND FLOW RATE AT THE TRAP ·SIZE OF CONTRUBUTING DRAINAGE AREADESIGN THE TRAP.SITE TOPOGRAPHY. PROVIDE CALCULATIONS THAT DOCUMENT THE FOLLOWING PARAMETER USED TO NOTE: ACTUAL DIMENSIONS OF THE SEDIMENT TRAP SHALL BE DESIGNED BASED ON FLOW CONDITIONS AND

REVISEDSTONE OUTLET SEDIMENT TRAP

N.T.S.

FIGURE 3.30 SCHEMATICS OF EXCAVATED STONE OUTLET SEDIMENT TRAP (1 OF 2)

EXCAVATED STONE OUTLET SEDIMENT TRAP ISOMETRIC VIEW

2

1

1

3 (TYP.)

1

A

A

VARIE

S

EXC

AVATIO

N LIMIT

AS R

EQ

UIR

ED F

OR S

TO

RAGE

B

B

FLO

W

MAX6-FOOT

WIDTH2' MIN.

1.5 MAX

SLOPEREVERSE

2' MIN.

FLO

W

REVISED IN 2019


NATURAL GROUNDTO CONSTRUCT SWALESTONE OR EARTH FILL

21" MIN.

6' MAX. FILL

12" MIN.

3' MIN.

4' MIN. WIDTH

N.T.S.

FLOW

STORAGENECESSARY FOREXCAVATION IF

2' MIN.

6' MAX.

FLATTER1 OR

1.5

REVISEDSTONE OUTLET SEDIMENT TRAP

1

1 MAX

24" MIN.

FOR DESIGN FLOW6" MIN. FREEBOARD

EXCAVATED STONE OUTLET SEDIMENT TRAP VIEW LOOKING UPSTREAM (A-A)

FOR DESIGN FLOW6" MIN. FREEBOARD

NCTCOG 504.2.2.11" FILTER STONE PER

202.12.2.3PER NCTCOGFILTER FABRIC

NCTCOG 803.3RIPRAP PERDRY STONE6"-12" TYPE A

GREATER THAN 1.5-FEETNCTCOG 202.12.2.4 IF HEIGHT ISWITH GABION OR CHAINLINK PERSTONE OUTLET SHALL BE CONFINED

FILL IS USEDSETTLEMENT IFOVERFILL 6" FOR

N.T.S.

EXCAVATED STONE OUTLET SEDIMENT TRAP SECTION VIEW (B-B)

6" MIN.

(OMIT FOR UNCONFINED)STONE INSTALLATIONSREQUIRED FOR CONFINED2" GALVANIZED STEEL PIPE

NCTCOG 202.12.2.4CONFINEMENT PERGABION OR CHAINLINK

PLATEBEARING

FIGURE 3.30 SCHEMATICS OF EXCAVATED STONE OUTLET SEDIMENT TRAP (2 OF 2)

NCTCOG 202.12.2.3FILTER FABRIC PER

FLOW

2% MIN. SLOPEREVERSE SLOPE

2' MIN.

REVISED IN 2019


REVISEDCONCRETE WAST MANAGEMENT

FIGURE 4.1 SCHEMATICS OF CONCRETE WASHOUT CONTAINMENT

EDGE OF PLASTIC LINING SANDBAG*

3' MIN.

2' MIN.

10' MIN.

DESIGN CRITERIAVARIES SEE

A A

SANDBAG*

N.T.S.

CONCRETE WASHOUT SECTION A-A

N.T.S.

CONCRETE WASHOUT PLAN VIEW

CONCRETE WAHSOUT NOTES:

THE PLASTIC LINING.

BERM TO ANCHOR

REPLACED BY A SOIL

*SANDBAGS MAY BE

10 MIL. MINIMUM PLASTIC LINING

10 MIL. MINIMUM PLASTIC LINING

CONCRETE WASHOUT FACILITY SHOULD BE MAINTAINED TO PROVIDE ADEQUATE HOLDING CAPACITY.2. WASHOUT STRUCTURES SHALL BE CLEANED OUT WHEN THE STRUCTURE IS 75% FULL. TEMPORARY

1. WASHOUT AREA MUST BE CLEARLY MARKED WITH SIGNAGE NOTING THE WASHOUT AREA.

REVISED IN 2019

0.5T

VARIES1

T

TT

2T

1

1BACKFILL

COMPACTED

PROPOSED GRADET

LAPS BOTTOM FABRIC

VERTICAL FILTER FABRIC

ROCK RIPRAP

LINE

EXCAVATION

BEDDING

6" MIN.

6" MIN. BEDDING

FILTER FABRIC

NCTCOG 803.4FILTER FABRIC PER


N.T.S.

TYPICAL ROCK RIPRAP SLOPE PROTECTION SECTION

N.T.S.

ROCK RIPRAP TOP OF BANK DETAIL

REVISEDROCK RIPRAP

FIGURE X.XX RIPRAP SCHEMATICS OF ROCK RIPRAP (SHEET 1 OF 2)

5T

2 MAX.

1

50

50MEDIAN STONE DIAMETER d AND MAXIMUM STONE DIAMETER d , FEET

DETERMINE GRADATION FOR d WELL GRADED STONE

FILTER FABRIC SPLICES SHALL HAVE A MINIMUM 18 INCHES OVERLAP

ROCK RIPRAP DRY OR GROUTED AS SHOWN ON EROSION CONTROL PLANS

100

T = 1.5 x d50

d =min.

50

100d =

d =

REVISED IN 2019

NOT TO SCALE


N.T.S.

ROCK RIPRAP TOE OF SLOPE DETAIL

N.T.S.

UPSTREAM ROCK RIPRAP TOE WALL DETAIL

REVISEDROCK RIPRAP

FLOWROCK RIPRAP T

EXCAVATION LINESFILTER FABRIC ON

1

1

2T

2T

T

2T

T

1

1VARIES

1

1

1

2T

ROCK RIPRAP

EXCAVATION LINES

FILTER FABRIC ON

6" MIN. BEDDING

6" MIN. BEDDING

FIGURE X.XX RIPRAP SCHEMATICS OF ROCK RIPRAP (SHEET 2 OF 2)

5T

REVISED IN 2019


N.T.S.

TEMPORARY TRASH SCREEN DETAIL

REVISEDTRASH COLLECTION

CHAIN LINK FENCE

FLOW

"T" POST

TURN BUCKLE

3/8" GUY WIRE W/

18" MIN.

42"

CABLE

3/8" TENSION

4'

NATURAL GROUND

8-FOOT

PAINTED STEEL "T" POST

METAL BANDS

POST USING TIE WIRE OR

801.4.2.1 CONNECT TO

CHAINLINK PER NCTCOG

N.T.S.

PROFILE OF TEMPORARY TRASH SCREEN DETAIL

DITCHWATERWAY ORC.L. OF GRASSY

6' (TYP.)

6' (TYP.)6' (TYP.)

SPACING

6' MIN.

"T" POST

STRUCTURE IN APPROACHLOCATE STONE OVERFLOW

FIGURE X.XX TRASH SCREEN/CATCH DETAIL (SHEET 1 OF 2)

TEMPORARY TRASH SCREEN.

3. ENGINEER TO VERIFY APPLICABILITY OF

OR DAMAGE.

WATER WILL NOT CAUSE FLOODING OF PROPERTY

PLANS AND MUST BE CHECKED TO VERIFY PONDING

2. HEIGHT OF INSTALLATION SHALL BE SHOWN ON

OVERFLOW STRUCTURE TO BE CONSTRUCTED.

THE INSTALLATION WILL REQUIRE A STONE

1. CONCENTRATED DITCH FLOW COMING TOWARD

NOTES:

REVISED IN 2019


REVISEDTRASH COLLECTION

N.T.S.

OUTLET TRASH SCREEN BAG

STORM DRAIN OUTLET

EXISTING/PROPOSED

MESH OPENING

MINIMUM 20mm/0.75-INCH

VARIES BY MANUFACTURER

PRE-MANUFACTURED MESH BAG

FIGURE X.XX TRASH SCREEN/CATCH DETAIL (SHEET 2 OF 2)

DOWNSTREAM OF OUTFALL

OPTIONAL WEIR CONFIGURATION

INSTALL COLLAR ON HEADWALL OR

REVISED IN 2019

iSWM™ TECHNICAL MANUAL

CONSTRUCTION CONTROLS

TRASH RACK

REVISED

FIGURE X.XX TRASH RACK ISOMETRIC

HALF ISOMETRIC VIEW

SIDE VIEW WITH HEADWALL

F

L

O

W

F

L

O

W

FLOW

MOUNTING PLATE

BLOCK OFF PLATE

MOUNTING BRACKET

TRASH BASKET

WING

WALL

WING WALL

HEAD WALL

BLOCK OFF

PLATE

MOUNTING BRACKET

MOUNTING BRACKET

TRASH BASKET

LATERAL BRACING AS ENGINEER

OR MANUFACTURE SPECIFIED

POST INSTALLED

CONCRETE ANCHORAGE

ENGINEER TO VERIFY

MIN. CONCRETE THICKNESS

FOR STRUCTURE ANCHORAGE

PROPOSED OR

EXISTING CONCRETE

CHANNEL RIPRAP

REVISED IN 2019

iSWM™ TECHNICAL MANUAL CONSTRUCTION CONTROLS

TRASH RACK

REVISED

FIGURE X.XX TRASH RACK PLAN

TOP VIEW

FRONT VIEW

TRASH BASKET

ISOMETRIC VIEW

MOUNTING BRACKET

NOTES:

1. OVERALL SIZE AND LOCATION TO BE

DETERMINED BY THE ENGINEER.

2. SIZE AND SPACING OF MESH VARIES AS

NEEDED.

LIFTING I-BEAM

HINGE PIN

SQUARE

TUBING

ANGLE IRON

LIFTING I-BEAM

SQUARE

TUBING

ANGLE IRON

HINGE PIN

SQUARE

TUBING

SQUARE

TUBING

MOUNTING

PLATE

MOUNTING BRACKET

I-BEAM

LIFTING

I-BEAM

LIFTING I-BEAM

HINGE PIN

FRONT OPEN

ROUND BAR

MESH

ROUND BAR

MESH

ROUND BAR

MESH

SIDE VIEW

TRASH BASKET

TRASH BASKETTRASH BASKET

ANGLE IRON

REVISED IN 201

Documents

iSWM Construction Controls Standard Details