HomeMy WebLinkAbout17080193.20METAL PNS OR
STARES TO
SECURE THE
POLYETHYLENE
LINING TO THE
STRAW BALES
WOOD OR METAL STAKES TO
SECURE THE STRAW BALES
(2 PER STRAW BALE)
STRAW BALE (ALTERNATIVE
MATERIALS OR PRODUCTS WAY BE
USED TO PROVIDE STRUCTURAL
CONTAINMENT . ALTERINATVE
MATERIALS OR PRODUCTS wU,
REOUIE DESIGN YODFICATgN
'OLYIETHYL E E
IaNG (10 ML);
'E LARD SHOULD
XTENO OVER THE
7RAW BALES
PLAN VIEW
METAL PINS METAL PNS
OR STAPLES
OR STAPLES
POLYETHYLENE
WOOD OR
LINING
METAL STAKE
(10 MIL)
STRAW
3 TO 4 FT
BALE
IS
COMPACTED
AW Bp/11RENOD,
SOL
- MATERIAL
4 FINCHES IN THE SOIL
SECTION A -A
ABOVE TRADE SYSIEMN
6 IN MN,
MATERIALS
•
MINIMUM OF TEN MIL POLYETHYLENE SHEETING THAT IS FREE OF HOLES. TEARS, AND OTHER DEFECTS TME
SHEETING SELECTED SHOULD BE O' AN APPROPRIATE SIZESTO FIT THE WASHOUT SYSTEM WITHOUT PAYS OR
OVERLAP OF THE LINING (DED AND INSTALLED SYSTEMS).
SONAGE
• ORANGE SAFETY FENCING OR EWVALD47
• STRAW BALES, SANDBAGS (BAGS SHOULD BE ULTRAVIOLET -STABILIZED GEOTEXTI E FABRIC), SOIL MATERIAL
OR OTHER APPROPRIATE MATERIALS THAT CAN BE USED TO CONSTRUCT A CONTAINMENT SYSTEM (ABOVE
GRADE SYSIEfS�
• METAL MRS OR STAPLES AT A MINIMUM OF SX INCHES N LENGTH, SANDBAGS OR ALTERNATIVE FASTENER
TO SECURE POLYETHYLENE LINING TO THE CONTAINMENT SYSTEM.
• NON -COLLAPSING AND NON -WATER HOLDING COVER FOR USE DURING RAN EVENTS (GPTXINAL).
111CUALLAMK
PREFABRICATED WASHOUT SYSTEMS/CONTAINERS
INSTALL AND LOCATE ACCORDING TO THE MANUFACTURER'S RECOMMENDATIONS
DEESOED AND INSTALLED SYSTEMS
• UTILIZE AND FOLLOW THE DE999 N THE STOW WATER POLLUTION PREVENTION PLAN TO INSTAL THE
SYSTEM.
• DEPENDENT UPON THE TYPE O: SYSTEM. ETHER EXCAVATE THE PT OR INSTALL THE CONTAINMENT y1STEL,
• A BASE SHALL BE CONSTRUCTED AND PREPARED THAT IS FIEF OF ROCKS AND OTHER DEBRIS THAT MAY
CAUSE TEARS
OR PUNCTURES IN THE POLYETHYLENE LNG.
• INSTALL THE POLYETHYLENE UNNG FOR EXCAVATED SYSTEMS THE LINING 90ULD EXTEND OVER THE ENTIRE
EXCAVATION. THE LINING FOR BYED SYSTEMS SNOAD BE INSTALLED OVER THE POOLING AREA WITH
ENOUGH MATFRUL TO EXTEND THE UNNG OVER THE BERM OR CONTAINMENT SYSTEM. THE LINING 94000D BE
SECURED WITH PNS STAPLES OR OTHER FASTENERS
• PUCE FLAGS SAFETY FENCING OR EQXVALENT TO PROVIDE A BARRIER TO CONSTRUCTION EQUFMEN- AND
OTHER TRAFFIC.
• PLACE A NON-OXLAPSHM NON -WATER HOLDING COVER OVER THE WASHOUT FACILITY PRIOR TO A
PREDICTED RAINFALL EVENT TO PREVENT ACCUMULATION OF WATER AND POSSIBLE OWERFIOW OF THE SYSTEM
(OPTIONAL).
• INSTALL SIWAGE THAT IDENTIFIES CONCRETE WASHOUT MEAS
• POST SIGNS DIRECTING CONTRACTORS AND SUPPLIERS TO DESIGNATED LOCATIONS
•
WHERE NECESSARY, PROVIDE STABLE NGRESS AND EGRESS OR ALTERNATIVE APPROACH PAD FOR CONCRETE
WASHOUT SYSTEMS,
• NSPECT DALY AND AFTER EACH STORM EVENT
HE .
• INSPECT TINTEGRITY OF THE OVERALL STRUCTURE INCLUDING, WHERE APPLICABLE, THE CONTAINMENT
STEM.
• INSPECT THE SYSTEM FOR LEAKS, SPILLS, AND TRACKING OF SOIL BY EQUIPMENT.
• INSPECT THE POLYETHYLENE UNNG FOR FAILE, N
URCIMARS ARS AID PICTURES
• ONCE CONCRETE WASTES HARDEN, REMOVE AND DISPOSE OF THE MATERIAL
• EXCESS CONCRETE 511000D BE REMOVED IWEN THE WASIOUT SYSTEM REACHES 50 PERCENT OF THE DESIGN
CAPACITY. USE OF THE SYSTEM SHOULD BE DISCONTINUED UNTIL APPROPRIATE MEASURES CAN BE INITIATED
TO CLEAN THE STRUCTURE PREFABRICATED SYSTEMS SHOULD ALSO U71UZE THIS CRITE ION, UNLESS THE
MANUFACTURER HAS ALTERNATE SPECIFICATIONS
• UPON REMOVAL OF THE SOLIDS, INSPECT THE STRUCTURE REPAIR THE ST6CTURE AS NEEDED OR
CONSTRUCT A NEW SYSTEM
• DISPOSE OF ALL CONCRETE N A LEGAL MANNER. REUSE THE MATERIAL ON SITE, RECYCLE OR HAUL THE
MATERIAL TO AN APPROVED CONSTRUCTION/bDMOLITION LANDFILL SITE RECYCLING OF MATERIAL IS
ENCOURAGED. THE WASTE MATERIAL CAN BE USED FOR MULTIPLE APPLICATIONS NCLUONG BUT NOT URI
TO ROADBEDS AND BUIDING. THE AVAILABILITY FOR REC'RLNG SHOULD BE CHECKED LOCALLY.
• THE PLASTIC UN
R SHOULD BE REPLACED AFTER EVERY CLEANING THE REMOVAL OF MATERIAL WALL USUALLY
DAMAGE THE UNNG
• THE CONCRETE WASHOUT SYSTEM 94OLD BE REPAIRED OR ENLARGED AS NECESSARY TO YNN7A04 GAPADI
FOR CONCRETE WASTE.
• CONCRETE WASHOUT SYSTEMS ARE DES0ED M PROMOTE EVAPORATION. HOWEVER, F THE UOIDS Do NO
EVAPORATE AND THE SYSTEM IS NEAR CAPACITY IT MAY BE NECESSARY TO VACUUM OR REMOVE THE LIQUIDSAHD DISPOSE OF THEM N AN ACCEPTABLE METHOD. DISPOSAL MAY BE ALLOWED AT THE LOCAL SANITARY
SEWER AUTHORITY PROVIDED THOR NATIONAL POLLUTANT DISCHARGE E MMATION SYSTEM POUTS ALLOW
FOR ACCEPTANCE OF TMS MATERIAL ANOTHER OPTION WOULD BE TO U71UM A SECONDARY CONTAINMENT
SYSTEM OR BASIN FOR FUTURE DEW'A7ERING
• PREFABRICATED UMTS ARE OFTEN PUMPED AND THE COMPANY SUPPLYING THE UNIT PROVIDES INS SERVICE,
• INSPECT CONSTRUCTION ACTIVITIES ON A REC LAR BASS TO ENSURE SUPPLIERS. CONTRACTORS AND OTHERS
ARE UTILIZING DESIGNATED WASHOUT AREAS. F CONCRETE WAST IS BEING DSPOSD OF MPROPE7LY.
IDENTIFY THE VIOLATORS AND TAKE APPROPRIATE ACTION.
• WHEN CONOM-M WASHCUT SYSTEMS ARE NO LONGER REQUIRED. TE CONCRETE WASHOUT SYSTEMS SHALL B
CLOSED. DISPOSE OF ALL HARDENED CONCRETE AND OTHER MATERIALS USED TO CONSTRUCT THE SYSTEM.
•
HO -ES. DEPRESSIONS AND OTHER LAND DISTURBANCES ASSOCIATED WITH THE SYSTEM 94OUD BE
BACKFILLED, GRADED, AND STABIRED.
ST�MAATKIMS )RT
COMPLETE CONSTRUCTIONANSTALLATKN OF THE SYSTEM AND HAVE WASHOUT LOCATIONS OPRATIOU• PRIOR
TO CONCRETE DELIVERY.
• DO NOT WASH OUT CONCRETE TRUCKS OR EQUIPMENT INTO STORM DRAINS WETLAEDS STEAMS RIVERS,
CREEKS, DTaEa, OR STREETS
• NEVER WASH OUT INTO A STORM SEWER DRAINAGE SYSTEM. THESE SYSTEMS ARE TYPICALLY CONNECTED TD
A NATURAL CONVEYANCE SYSTEM
• WHERE NECESSARY, PROVIDE STABLE NGS AND Ems.
• IT IS RECOMMENDED THAT WASHOUT SYSTEMS B' RESTRICTED To WASHING CONCRETE FROM NIGER AND PULP
TRUCKS AID NOT USED TO DEPOSE OF EXCESS CONCRETE OR RESIDUAL :DADS GUE TO THE POTENTIAL N
EXCEED THE DESIGN CAPACITY OF THE WASHOUT SYSTEM SMALL AMOUNTS OF EXCESS OR RESIDUAL
CONCRETE
NOT TO SCALE
CAPACITY
• PEAK RUNOFF FROM A 10 -YEAR FREQUENCY. 24-4OUR STORM EVENT OR THE DESIGN 01�wq
OF THE WATER CONVEYANCE STRUCTURE WHICHEVER IS GREATER,
MAXIMUM VELOCITY
• TEN FEET PER SECOND.
APRON
• ALIGNED STRAIGHCURVE IS WITH CHANNEL FLOW. IF A CURIS NECESSARY TO ALGA THE APRON WITH
THE RECEIVING STREAM. LOCATE THE CURVE N THE UPSTREAM SECTION OF THE APRON.
THICKNESS
•• 1.2 NES THE MAXIMUM STONE DIAMETER FOR A dW STONE SIZE OF 15 NOES OR LARGOL
•• 1.5 NES THE MAXIMUM STONE DIAMETER FOR A dNSTONE 92E OF 15 INDIES OR LESS
TABLE 1. SIZING FOR FLOW DISSIPATERS AT CULVERT MPF WT—
PIPE SIZE AVERAGE OAETE1tRPRAP
APRON WDTIH'
APRON LENGTH.
ESN.
ESN. MN.
27038.
57071.
12 IN.
6 K MIN.
3 TO 4 FT
6 70 12 R.
IS
a N. MK
47061.
6 TO 16 R.
24 IN.
6 IN MN,
6 TO 6 FT.
12 TO Z2 1.
30 N.
5 K MN.
6 70 10 1.
14 TO 28 R.
36 IN.
6 N. M.
10 TO 12 1.
16 TO 32 1.
48 IN.
6 N, MK
12 TO 14 1.
16 TO 36 1.
'APRON WIDTH AT THE HAMM END OF APRON (RPE OR CHANNEL OUTLET).
"ELECT LENGTH TAKING INTO CONSIDERATION THE LOW ROW (NO PRESSURE
HEAD) OR MGI FLOWN (PRESSURE HEAD) CONDITIONS OF THE CULVERT PPE
EXCAVATIO!
PLAN NEW
SANDBAGS OR OTHER
APPROPRIATE ANCHORINO
SYSTEM TO SECURE THE
POLYETHYLENE LINING
POLYETHYLENE
LIiIIG (70 MIL)
SECTION A -A
BELOW GRAnF
CONCRETE (NOT WASHOUT WATER) MAY BE DISPOSED OF IN AREAS THAT RILL NIT RESULT IN FLOW TO AN
AREA THAT IS TO BE PROTECTED.
• INSTAL SYSTEMS AT STRATEGIC LOCATIONS THAT ARE CMWHIENT AND IN CLOSE PROXIWITY TO WORK
AREAS AND IN SUFFICIENT NUMBER TO ACCOMMODATE THE DEMAND FOR DIPOSAL
• INSTALL SOLACE IDENTIFYING THE LOCATION OF CONCRETE WASHOUT SYSTEMS
LOCATION
• LOCATE CONCRETE WASHOUT SYSTEMS AT LEAST 50 FEET FROM ANY CREEKS WE DITCIEST, KARST
To
FEATURE
& OR STORM DRAINS/1MANMAOE CONVEYANCE SYSTEMS.
• TO THE EXTENT PRACTICAL LDCATIE CONCETE WASHOUT SYSTEMS N RELATIVELY FLAT AREAS THAT HAVE
ES7ABUSHED VEGETATIVE COVER AND DO NOT RECEVE RUNOFF FROM ADJACENT LAND AREAS.
• LOCATE N AREAS THAT PROVIDE EASY ACCESS FOR CONCRETE TRUCIOS AND OTHER CONSTRUCTION
EQUIPMENT.
• LOCATE AWAY FROM OTHER CONSTRUCTION TRAFFIC TO REDUCE THE POTENTIAL FOR DAMAGE TO THE SYSTEM
GENERAL DESIGN CONSIDERATIONS
•
THE STRUCTURE OR SYSTEM SHALL BE DESGNED TO CONTAIN THE ANTICIPATED WASHOUT WATER ASSOCIATED
WITH CONSTRUCTION ACTIVITIES
• THE SYSTEM SHALL BE DESIGNED. TO THE EXTENT PRACTICAL TO ELIMINATE RUNOFF FROM ENTERING THE
WASHOUT SYSTEM.
• RUNOFF FROM A RAINSTORM OR SNOWMELT SHOULD NOT CARRY WASTES AWAY FROM THE WASHOUT
LOCATION.
• WASHOUT WILL NOT IMPACT FUTURE LANA USES (I.E, OPEN SPACES LANDSCAPED AREAS, HOME %TES
PARKS).
• WASHOUT SYSTEMS/CONTAINMENTS MEASURES MAY ALSO BE LITLIZED ON SMALLER INDIVIDUAL BUILDING
STS. THE DESIGN AND SZE OF THE SYSTEM CAN BE ADJUSTED TD ACCOMMODATE THE EXPECTED CAPACITY,
PREFABRICATED WA9401JT SYSTEMS/CONTAINERS
• SELF-CONTAINED STURDY CONTAINMENT SYSTEMS THAT ARE DELIVERED TO A SITE AND LOCATED AT
STRATEGIC LOCATIONS FOR CONCRETE DISPOSAL
• TIESE SYSTEMS ARE MANUFACTURED TO RESIST DAMAGE FROM CONSTRUCTION EQUIPMENT AND PROTECT
AGAINST LEAKS OR SPILLS
MANUFACTURER OR SUPPLIER PROVIDES THE CONTA4RS THE PROJECT STE MANAGER MAINTAINS THE
SYSTEM OR THE SUPPLIER PROVIDES COMPLETE SERVICE THAT INCLUDES MAINTENANCE AND DISPOSAL
• UNITS ARE OFTEN AVAILABLE 'MTM OR WITHOUT RAMPS. UMTS WITH RAMPS LEND THEMSELVES TO
ACCOMMODATE PUMP TRUCKS.
• MAINTAIN ACCORDING TO MANUFACTURER'S RECOMMENDATIONS
DESIGNED AND INSTALLED UNITS
THESE UNITS ARE DESIGNED AND INSTALLED ON SITE THEY' TND TO BE LESS RELIABLE THAN PREFABRICATED
SYSTEMS ARE OFTEN PRONE TO FAILURE CONCRETE WASHOUT SYSTEMS CAN BE CONSTRUCTED ABOVE OR BELOW
GRADE IT IS NOT UNCOMMON TO HAVE A SYSTEM THAT IS PARTLY BELOW GRADE WITH AN ADDITIONAL
CONTAINMENT STRUCTURE ABOVE GRADE
• WASHOUT SYSTEMS SHALL UTLUZE A PT OR BERYED AREA DESIGNED AND MAINTAINED AT A CAPACITY TO
• TTHE
CONTAIN
E OF THE AND
ST
STSTEM MUST ALSO DESIGNED TO CONTAIN RUNOFF WASTE GENERATED By WASHOUT THAT
HHAT DRAINS TO THE SYSTEM
AND RAINFALL THAT ENTERS THE SYSTEM FOR A TWD -YEAR FREQUENCY, 24-HOUR STORM EVENT.
BELOW GRADE SYSTEM
• A WASHOUT SYSTEM INSTALLED BELOW GRADE SHOULD BE A MINIMUM OF TN FEET WOE BY TEN FEET LONG,
BUT ,ZED TO CONTAIN ALL UWID AND WASTE THAT IS EXPECTED TO BE GENERATED BETWEEN SCHEDULED
CLEANOUT PERIODS THE SIZE OFTHE REN
T MAY BE LIMITED BY THE SZE OF THE POLYETHYLENE AVAILABLE
THE POLYETHYLENE UNING %MOULD BE ADEQUATE SIZE TO EXTEND OVER ME ENTIRE EXGVATON.
• INCLUDE A MNMUM 12 -INCH FREEBOARD TO REASONABLY ENSURE THAT THE STRUCTURE ENL NOT OVERTOP
DURING A RAIN EVENT.
• LUNE THE PIT WITH TEN MIL POLYETHYLENE LRDNG TO CONTROL SEEPAGE,
• THE BOTTOM OF EXCAVATED PT SHOULD BE ABOVE THE SEASONAL HIGH WATER TABLE
ABOVE GRADE SYSTEM
• A SYSTEM DESIGNED AND BUILT ABOVE GRADE SHOULD BE A MINIMUM OF TEN FEET WIDE BY TEN FEET LONG
CONTAINBUT SIZED TO
SCHEDULED
CLEANOUT PEBOOSTHE SIZE OF I THINE CON NT NMENTTSYSTEM MAAYD BE LIMITED BERATED BTHE IMTo BE OF POLYMTUENE
AVAILABLE. THE POLYETHYLENE LINING SHCULD BE OF ADEQUATE SZE TO EXTEND OVER THE BETEL OR
CONTAINMENT SYSTEM,
• THE SYSTEM DESIGN MAY UTILIZE AN EARTHEN BERM. STRAW BALES SANDBAGS. OR OTHER ACCEPTABLE
BARRIERS THAT WILL MAINTAIN ITS SHAPE AND INTEGRITY AND SUPPORT THE POLYETHYLENE LINING
•
INCLUDE A MINIMUM FOUR -INCH FREEBOARD AS PART OF THE DESIGN.
WASHOUT PROCEDURES
• DO NOT LEAVE EXCESS YUD N THE CHUTES OR HOPPER AFTER THE POUR. EVERY EFFORT SHIXLD BE MADE
TO EMPTY THE CHUTES AND HOPPER AT THE POUR. THE LESS MATERIAL LEFT IN THE CHUTES AND HOPPER,
THE W ER AND MAY BE DISPOSD OOFF ISN AREAS T A LLTHE CLEANOUI �NOT RESULTALL N FLOTS OF W A ACONCRETE TN 5T TO PROTCTED).
• AT THE WASHOUT LOCA710N, SCRAPE AS YUCK MAIEPoAL FROM TE CHUTES AS POSSIBLE BEFORE WA9aNG
THEN. USE NON -WATER CLEARING YET/OOS TO MINIMIZE TME G.THE FOR WASTE TO FLOW OFF ,TE
• REMOVE AS MUCH MLA AS POSSIBLE WHEN WASHING OUT.
• STOP WASHING OUT N AN AREA IF YOU OBSERVE WATER RUNNING OFF THE DESIGNATED AREA OR IF TE
CONTAINMENT SYSTEM IS LEAKING OR OVERFLOWING AND INEFFECTIVE.
• DO NOT BA FLUSH EQUIPMENT AT THE PRO,ECT STE. BACK FLUSHING SHOULD BE RESTRICTED TO THE
PLANT AS IT GENERATES LARGE VOLUMES OF WASTE THAT MORE THAN LIKELY DULLEXCEED THE CAPACITY OF
MOST WASHOUT SYSTEMS IF AN EMERGENCY ARISES, BACK FLUSH SHOULD ONLY BY PERFORMED WITH THE
PEFUSSON OF AN ON-STE MANAGER FOR THE PROJECT,
• DO NOT USE ADDITIVES WITH WASH WATER. DO NOT USE SOLVENTS OR ACIDS THAT WAY SE USED AT THE
TARGET PLANT.
ASH OU)T
(REv. O1 /i 7
MATERIALS
RIPRAP
•' HARD, ANGULAR HIGHLY WEATHER RESISTANT.
•• SPECIFIC GRAVITY OF AT LEAST 2S
•• SZE AND GRADATION THAT WILL WITHSTAND VELOOTES OF STORM WATER DISCHARGE ROW
DESIGN
•• WELL -GRADED MIXTURE OF STONE WITH 50 PERCENT OF THE STONE PIECES BY WEIGHT,
LARGE THAN THE dm SIZE AND THE DIAMETER OF THE LARGEST STONE EQUAL TO 1.5 TIMES
TE dm SIZE.
• GEOTEXTILE FABRIC OR WELL -GRADED AGGREGATE (INDOT CA NO. 9, 11, OR 12).
1RFACE WATER RUNOFF AROUND THE STRUCTURE WRING CONSTRUCTION 50 THAT THE
SIT CAN BE PROPERLY DEWA7EED FOR FOUNDATION PREPARATION.
2 EXCAVATE FOUNDAICN AND APRON AREA SUBORADES BELOW DESIGN ELEVATION TO ALLOW FOR
THIS THICKNESS OF FILTER MEDIUM AND RIPRAp.
3. COMPACT ANY FILL USED N SUBRADE PREPARATION TO THE DENSITY OF SURROUNDING
UNDISTURBED SOL MATERIAL
MANAGEABLE 2 FO
CONTAINMENT ARE
LFT
STRAPS
29ALLAI1eL
1. REMOVE THE STORM SEWER GRATE AND PLACE THE FRAME INTO THE (RATE OPENING
I
2 PLACE GEOTE)TILE FABRIC INTO THE FRAME AND SECURE ACCORDING TO THE MANUFACTUREYS
RECOMMENDATIONS
GEOTEX71LE FABRIC
3. REPLACE THE STORM SEWER GRATE
SANDBAGS OR OTHER
MAINTENANCE
• INSPECT DAILY.
REMOVE ACCUMULATED SEDIMENT AND DEBRIS AFTER EACH STORM EVENT. DEPOSIT SEDIMENT N
APPROPRIATE ARCF/ORING
SYSTEM TO SECURE THE
AN AREA WHERE IT WALL NOT RE-ENTER THE PAVED AREA OR STORM DRAINS
POLYETHYLENE LINING
REPLACE OR CLEAN GEOTDCRE FABRIC AS NEEDED.
WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN STASIUZED, REMOVE INLET PROTECTION.
CONCRETE (NOT WASHOUT WATER) MAY BE DISPOSED OF IN AREAS THAT RILL NIT RESULT IN FLOW TO AN
AREA THAT IS TO BE PROTECTED.
• INSTAL SYSTEMS AT STRATEGIC LOCATIONS THAT ARE CMWHIENT AND IN CLOSE PROXIWITY TO WORK
AREAS AND IN SUFFICIENT NUMBER TO ACCOMMODATE THE DEMAND FOR DIPOSAL
• INSTALL SOLACE IDENTIFYING THE LOCATION OF CONCRETE WASHOUT SYSTEMS
LOCATION
• LOCATE CONCRETE WASHOUT SYSTEMS AT LEAST 50 FEET FROM ANY CREEKS WE DITCIEST, KARST
To
FEATURE
& OR STORM DRAINS/1MANMAOE CONVEYANCE SYSTEMS.
• TO THE EXTENT PRACTICAL LDCATIE CONCETE WASHOUT SYSTEMS N RELATIVELY FLAT AREAS THAT HAVE
ES7ABUSHED VEGETATIVE COVER AND DO NOT RECEVE RUNOFF FROM ADJACENT LAND AREAS.
• LOCATE N AREAS THAT PROVIDE EASY ACCESS FOR CONCRETE TRUCIOS AND OTHER CONSTRUCTION
EQUIPMENT.
• LOCATE AWAY FROM OTHER CONSTRUCTION TRAFFIC TO REDUCE THE POTENTIAL FOR DAMAGE TO THE SYSTEM
GENERAL DESIGN CONSIDERATIONS
•
THE STRUCTURE OR SYSTEM SHALL BE DESGNED TO CONTAIN THE ANTICIPATED WASHOUT WATER ASSOCIATED
WITH CONSTRUCTION ACTIVITIES
• THE SYSTEM SHALL BE DESIGNED. TO THE EXTENT PRACTICAL TO ELIMINATE RUNOFF FROM ENTERING THE
WASHOUT SYSTEM.
• RUNOFF FROM A RAINSTORM OR SNOWMELT SHOULD NOT CARRY WASTES AWAY FROM THE WASHOUT
LOCATION.
• WASHOUT WILL NOT IMPACT FUTURE LANA USES (I.E, OPEN SPACES LANDSCAPED AREAS, HOME %TES
PARKS).
• WASHOUT SYSTEMS/CONTAINMENTS MEASURES MAY ALSO BE LITLIZED ON SMALLER INDIVIDUAL BUILDING
STS. THE DESIGN AND SZE OF THE SYSTEM CAN BE ADJUSTED TD ACCOMMODATE THE EXPECTED CAPACITY,
PREFABRICATED WA9401JT SYSTEMS/CONTAINERS
• SELF-CONTAINED STURDY CONTAINMENT SYSTEMS THAT ARE DELIVERED TO A SITE AND LOCATED AT
STRATEGIC LOCATIONS FOR CONCRETE DISPOSAL
• TIESE SYSTEMS ARE MANUFACTURED TO RESIST DAMAGE FROM CONSTRUCTION EQUIPMENT AND PROTECT
AGAINST LEAKS OR SPILLS
MANUFACTURER OR SUPPLIER PROVIDES THE CONTA4RS THE PROJECT STE MANAGER MAINTAINS THE
SYSTEM OR THE SUPPLIER PROVIDES COMPLETE SERVICE THAT INCLUDES MAINTENANCE AND DISPOSAL
• UNITS ARE OFTEN AVAILABLE 'MTM OR WITHOUT RAMPS. UMTS WITH RAMPS LEND THEMSELVES TO
ACCOMMODATE PUMP TRUCKS.
• MAINTAIN ACCORDING TO MANUFACTURER'S RECOMMENDATIONS
DESIGNED AND INSTALLED UNITS
THESE UNITS ARE DESIGNED AND INSTALLED ON SITE THEY' TND TO BE LESS RELIABLE THAN PREFABRICATED
SYSTEMS ARE OFTEN PRONE TO FAILURE CONCRETE WASHOUT SYSTEMS CAN BE CONSTRUCTED ABOVE OR BELOW
GRADE IT IS NOT UNCOMMON TO HAVE A SYSTEM THAT IS PARTLY BELOW GRADE WITH AN ADDITIONAL
CONTAINMENT STRUCTURE ABOVE GRADE
• WASHOUT SYSTEMS SHALL UTLUZE A PT OR BERYED AREA DESIGNED AND MAINTAINED AT A CAPACITY TO
• TTHE
CONTAIN
E OF THE AND
ST
STSTEM MUST ALSO DESIGNED TO CONTAIN RUNOFF WASTE GENERATED By WASHOUT THAT
HHAT DRAINS TO THE SYSTEM
AND RAINFALL THAT ENTERS THE SYSTEM FOR A TWD -YEAR FREQUENCY, 24-HOUR STORM EVENT.
BELOW GRADE SYSTEM
• A WASHOUT SYSTEM INSTALLED BELOW GRADE SHOULD BE A MINIMUM OF TN FEET WOE BY TEN FEET LONG,
BUT ,ZED TO CONTAIN ALL UWID AND WASTE THAT IS EXPECTED TO BE GENERATED BETWEEN SCHEDULED
CLEANOUT PERIODS THE SIZE OFTHE REN
T MAY BE LIMITED BY THE SZE OF THE POLYETHYLENE AVAILABLE
THE POLYETHYLENE UNING %MOULD BE ADEQUATE SIZE TO EXTEND OVER ME ENTIRE EXGVATON.
• INCLUDE A MNMUM 12 -INCH FREEBOARD TO REASONABLY ENSURE THAT THE STRUCTURE ENL NOT OVERTOP
DURING A RAIN EVENT.
• LUNE THE PIT WITH TEN MIL POLYETHYLENE LRDNG TO CONTROL SEEPAGE,
• THE BOTTOM OF EXCAVATED PT SHOULD BE ABOVE THE SEASONAL HIGH WATER TABLE
ABOVE GRADE SYSTEM
• A SYSTEM DESIGNED AND BUILT ABOVE GRADE SHOULD BE A MINIMUM OF TEN FEET WIDE BY TEN FEET LONG
CONTAINBUT SIZED TO
SCHEDULED
CLEANOUT PEBOOSTHE SIZE OF I THINE CON NT NMENTTSYSTEM MAAYD BE LIMITED BERATED BTHE IMTo BE OF POLYMTUENE
AVAILABLE. THE POLYETHYLENE LINING SHCULD BE OF ADEQUATE SZE TO EXTEND OVER THE BETEL OR
CONTAINMENT SYSTEM,
• THE SYSTEM DESIGN MAY UTILIZE AN EARTHEN BERM. STRAW BALES SANDBAGS. OR OTHER ACCEPTABLE
BARRIERS THAT WILL MAINTAIN ITS SHAPE AND INTEGRITY AND SUPPORT THE POLYETHYLENE LINING
•
INCLUDE A MINIMUM FOUR -INCH FREEBOARD AS PART OF THE DESIGN.
WASHOUT PROCEDURES
• DO NOT LEAVE EXCESS YUD N THE CHUTES OR HOPPER AFTER THE POUR. EVERY EFFORT SHIXLD BE MADE
TO EMPTY THE CHUTES AND HOPPER AT THE POUR. THE LESS MATERIAL LEFT IN THE CHUTES AND HOPPER,
THE W ER AND MAY BE DISPOSD OOFF ISN AREAS T A LLTHE CLEANOUI �NOT RESULTALL N FLOTS OF W A ACONCRETE TN 5T TO PROTCTED).
• AT THE WASHOUT LOCA710N, SCRAPE AS YUCK MAIEPoAL FROM TE CHUTES AS POSSIBLE BEFORE WA9aNG
THEN. USE NON -WATER CLEARING YET/OOS TO MINIMIZE TME G.THE FOR WASTE TO FLOW OFF ,TE
• REMOVE AS MUCH MLA AS POSSIBLE WHEN WASHING OUT.
• STOP WASHING OUT N AN AREA IF YOU OBSERVE WATER RUNNING OFF THE DESIGNATED AREA OR IF TE
CONTAINMENT SYSTEM IS LEAKING OR OVERFLOWING AND INEFFECTIVE.
• DO NOT BA FLUSH EQUIPMENT AT THE PRO,ECT STE. BACK FLUSHING SHOULD BE RESTRICTED TO THE
PLANT AS IT GENERATES LARGE VOLUMES OF WASTE THAT MORE THAN LIKELY DULLEXCEED THE CAPACITY OF
MOST WASHOUT SYSTEMS IF AN EMERGENCY ARISES, BACK FLUSH SHOULD ONLY BY PERFORMED WITH THE
PEFUSSON OF AN ON-STE MANAGER FOR THE PROJECT,
• DO NOT USE ADDITIVES WITH WASH WATER. DO NOT USE SOLVENTS OR ACIDS THAT WAY SE USED AT THE
TARGET PLANT.
ASH OU)T
(REv. O1 /i 7
MATERIALS
RIPRAP
•' HARD, ANGULAR HIGHLY WEATHER RESISTANT.
•• SPECIFIC GRAVITY OF AT LEAST 2S
•• SZE AND GRADATION THAT WILL WITHSTAND VELOOTES OF STORM WATER DISCHARGE ROW
DESIGN
•• WELL -GRADED MIXTURE OF STONE WITH 50 PERCENT OF THE STONE PIECES BY WEIGHT,
LARGE THAN THE dm SIZE AND THE DIAMETER OF THE LARGEST STONE EQUAL TO 1.5 TIMES
TE dm SIZE.
• GEOTEXTILE FABRIC OR WELL -GRADED AGGREGATE (INDOT CA NO. 9, 11, OR 12).
1RFACE WATER RUNOFF AROUND THE STRUCTURE WRING CONSTRUCTION 50 THAT THE
SIT CAN BE PROPERLY DEWA7EED FOR FOUNDATION PREPARATION.
2 EXCAVATE FOUNDAICN AND APRON AREA SUBORADES BELOW DESIGN ELEVATION TO ALLOW FOR
THIS THICKNESS OF FILTER MEDIUM AND RIPRAp.
3. COMPACT ANY FILL USED N SUBRADE PREPARATION TO THE DENSITY OF SURROUNDING
UNDISTURBED SOL MATERIAL
MANAGEABLE 2 FO
CONTAINMENT ARE
LFT
STRAPS
WOVEN
I
STORW
GRATE
GEOTEX71LE FABRIC
OPTION
FILTERING EFFICIENCY
85X
W TFLOWAL
UY RESISTANCE
701:
PORTS
(INHIBITORS AND
y
RONFORGEO —
STABILIZERS TO ENSURE
DORMERS
DUMPING
SX MONTH MINIMUM LIFE
STRAPS
STORM
MANAGEABLE 2 FOOT
INLET
CONTAINMENT AREA
HANDLES FOR
EASY REMOVAL
POLYESTER MESE
RETNFORCOIENT
(OUTER LATER;
CURB
OPENING
LIT
STRAPS
CURB
FILTER
OPTIONAL
OUTFLOW
PORTS
DROP—IN INLET PROTECnON
NOT TO SCALE (REV. 01/17)
SPECIFICATIONS
NOTE ALTERNATIVE SUPPORT SYSTEMS MAY BE SUBSTITUTED FOR HARDWOOD
POSTS AND CROSS BRACES
CONTRIBUTING DRAINAGE AREA
• ONE ACRE MAXIMUM.
EFFECTLIFE
• SX MONTHS (MAXIMUM).
CAPACITY
• RUNOFF FROM A TWD -YEAR FREQUENCY, 24-HOUR STORM EVENT ENTERING A STORM
DRAIN WITHOUT BYPASS FLOW,
CEOTEXTIIE STRUCTURE
• HEIGHT - 12 TO 18 INCHES. MEASURED FROM THE TOP CE STORM DRAIN INLET.
• POST SPACING - 36 -INCH MAXIMUM SPACING BETWEEN POSTS
• FRAME SUPPORT - BRACING TO STRENGTHEN INTEGRITY OF THE STRUCTURE
(STRUCTURE MUST WITHSTAND 9j-FCOT HEAD OF WATER ANO SEDIMENT WITHOUT
COLIAP9NG OR WITHSTANDING.)
MATERIALS
SUPPORT POSTS
•• 2 x 2 NCH OR 2 X4 INCH HARDWOOD POSTS.
THREE FEET LENGTH, MINIMUM.
• •• 1 x 2 NCH OR 1 3 INC. HARDWOOD CROSS BRACING LUMBER.
LATHE.
• STAPLES OR NAILS
• GEOTEXRILE FABRIC
TABLE 2. GEOTDM E FABRIC SPECIFICATIONS FOR SLT FENCE CYINIMIIMI
PHYSICAL PROPERTY
WOVEN
NON -WOVEN
CA
GEOTEX71LE FABRIC
GEOTEXTILE FABRIC
FILTERING EFFICIENCY
85X
6510
UY RESISTANCE
701:
85X
(INHIBITORS AND
TOP OF APRON
LEVEL WITH
INABOVE ME MAXIMUM TAILWATER DEPTH OR THE LOP B THE BANK, WHICHEVER IS LESS.
7. FABRIC TEARS NET/ PLACING RPRAP REPAIR
STABILIZERS TO ENSURE
RECENNC CHANNEL
IMMEDIATELY BY LAYING AND
STARING
S PILING A P
PIECE FABRIC OVER DAMAGED AREA, OVEPo,APPING ME
SX MONTH MINIMUM LIFE
UNDAMAGED AREAS BY AT LEAST 12 INCHES,
1 &
AT TEMPERATURES P TO
_
NOT PRODUCE AN
OVERFALL OR RESTRICT FLOW CE THE COATER CONVEYANCE STRUCTURE)
120• F)
rer�ECT
• INSPPECT WARN 24 HOURS OF A RAIN EVENT AND AT LEAST ONCE EVERY SEVEN CALENDAR
LE STREW AT
AL APRON LENGTH (FEET)
AW - APRON WIDTH (FEET)
SCOURING THEENSURING
• CHECK FOR EROSION OR SCOURING AROUND SIDES OF THE APRON: REPAIR IMMEDATELY.
M
IMMEDIATELY.
ELONGATIONSTANDARD
• CHECK FOR PIPING OR UNDERCUTTING REPAIR IMMEDIATELY.
NOTE AW IS THE APRON WIDTH AT THE
SI ENCTH
F
30 LBS PER LIEAL NCM50
LBS PER UNEAL INCH
EXTRASTRENGTH
50 LBS PER LINEAL INCH
70 LBS PER UNEAL INCH
RY FLOW RAT
0.3 GAL/YIN./SQUARE FOOT
4,5 GAL./MIN./SOUARE FOOT
WATER ROW IRAN
15 GAL/MIN./SQUARE FOOT
22O GAL/MIN./SQUARE M07T
36 IN.
�m
PROVIDE CROSS BRACING
WHEN NECESSARY
J oS
BLARED GEOTRI
FABRIC
FLOW
'URE
STAINLESS STEEL
BAND (HEMMED INTO
BAG)
'OLYPROPYLENE
•LOTEXDLE FILTER
'ABRIC (RIMER LAYER)
^0MOoa
NOTE CMIRAC70R TO USE FLESTDRY
CAT04-R INLET P 07ECTOFL DANDY BAC
OR APPROVED ALTERNATE
DROP-IN INLET PROTECTION
TO BE USED IN PAVED AREAS.
1. DIG ANE3GHT-NOH DEEP, FOUR -NCH WOE TRENCH AROUND THE PERIMETER OF THE
INLET.
2. IF USING PRE-Aeccwlm GEOTEXTLE FABRIC AND POSTS, DRIVE THE POSTS INTO THE
SOL, TIGHTLY STRETCHING THE GEOTFXIILE FABRIC BETWEEN POSTS AS EACH IS DRIVEN.
(POSTS MUST BE PLACID ON THE INLET 31E OF THE AN04CR TRENCH WIT. THE
GEOTEYTILE FABRIC ON THE SIDE OF
THE TRENCH FARTHEST FROM THE INLET.)
NOTE F ASSEMBLING THE GEOTECTLE FABRIC AND POSTS ON-SITE, DRIVE THE POSTS
INTO THE SOL AND THEN SECURE THE GEOTUTLE FABRIC TO THE POSTS BY PLACING
A PIECE OF LATHE OVER THE FABRIC AND FASTENING IT M THE POST (STRETCHING
THE FABRIC BETWEENPOSTS AS IT IS FASTENED),
J USE THE MAP JON METHOD WHEN JOINING POSTS
4. PLACE THE BOTTOM 12 INCHES OF GEOTDM E FABRIC INTO THE EIGHT -NOH DEEP
TRENCH. LAVING THE REMAIMNG FOUR INCHES N THE BOTTOM OF THE TRENCH AND
EXTENDING AWAY FROM THE INLET.
S. BACKFILL THE TRENCH NTH SOL MATERIAL AND COMPACT IT IN PUCE
6. BRACE THE POSTS BY NAILING BRACES INTO EACH COINER POST OR UTUZE RIGID
PANELS TO SUPPORT FABRIC,
NOTE N SITUATIONS WERE STORY WATER MAY BYPASS THE STRUCTURE,
ETHE}L
• SET RE TOP H THE GE07EXTILELEVA FABRIC THEFILTERDAT LEAST SIX INCHES
LOWER MAN THE GROUND ELEVATION ON THE DOWN-SLOPE SOIL OF
THE STORM DRAM/ INLET,
• BUND A TEMPORARY OKE, COMPACTED TO SX INCHES HIGHER THAN THE
FABRIC. ON THE DOWN-SLOPE SIDE OF THE STORY DRAM INLET,
AND/OR
• USE IN CONJUNCTION WITH EXCAVATED DROP INLET PROTECTION.
•
MAINTENANCE
ilAILY.
REMEDY
GEOTEXTLE FABRIC AND MAKE NEEDED REPAIRS IMMEDIATELY.
• REMOVE SEDIMENT FROM POOL ARU TO PROVDE STORAGE FOR THE NEM STORM
EVENT, AVOID DAMAGING OR UNDERCUTTING B
G FARIC DURING SEDIMENT REOVAL USE ONE 16• LIVESTOCK(
• WHEN CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED. REMOVE ROBLENT. PANEL WRAPPED W/
PROPERLY DISPOSE OF ALL CONSTRUCTION MATERIAL GRADE AREA TO THE PANEL
RE FABRIC
ELEVATION OF THE STORM DRAIN INLET TOP, THEN STABNUZE IMMEDIATELY. 30•
MINIMUM
HEIGHT
INSTAL 3 TO 4
a• •r sTm
FENCE POSTS
GEOTEXTLE FABRIC Y INCH W.)
SECURED NTH LATE HARD POSE
COMPAC70 FILL
FLOW SECURE POSTS TO
POSTINSIDE OF PANELLIMIT OF POST
RECTANGULAR GRATE
.�
ON DO FABRIC
I 4
ON DOWN-SLOPE -SLOPE 4 0 O D 1
E AND BOTTOM OF LIMITTE IY N
TRENCH ROUND CHR AT N
POST
UNIT OF
GEOTEXTLE FABRIC
NOTE
THIS ME SURE IS NOT RECOMMENDED FOR
PAVED SURFACES DUE TO INABILITY TO ENTREN
CH
THE FABRIC AND LACK OF AN AN04ORING SYSTEM.
SST FENCE INLET PROTECTION
NOT TO SCALE (REV, 01/17)
4. SMOOTH SUB RADE ENOUGH TO PROTECT CE07MU FABRIC FROM TEARING
DRAIN PPE WITH
FLARED END SECTION
5. PUCE GEOTDMLE FABRIC OR AGGREGATE BEDDING MATERIAL (FOR STABLIZA11ON AND
CA
AL
STRUCTUREPOINT
vG
B. NSTNLT PoPRAP TO T1/E�LIHFS AND EIEVAT1015 SHOWN N THE CONSTRUCTION PUNS BEND
PoPRAPCROSSSMOOTHLY TO GRADE IF THE CHANNEL IS WELL
7260 SNa,1M.,d SMWar I IMianap11I1, Indiana 462%
DEFINED, EXTEND THE
CHANNEL OTT
APRON ACROSS THE CHANNEL BOTTOM AND IP THE CHANNEL BANKS M AN ELEVATION OF SIX
317.547.5560 1 FAX 217.543.0270
TOP OF APRON
LEVEL WITH
INABOVE ME MAXIMUM TAILWATER DEPTH OR THE LOP B THE BANK, WHICHEVER IS LESS.
7. FABRIC TEARS NET/ PLACING RPRAP REPAIR
RECENNC CHANNEL
IMMEDIATELY BY LAYING AND
STARING
S PILING A P
PIECE FABRIC OVER DAMAGED AREA, OVEPo,APPING ME
I
UNDAMAGED AREAS BY AT LEAST 12 INCHES,
1 &
6. CONSTRUCT A SMALL PLUNGE POOL WITHIN THE OUTLETAPRON. (RIPRAP APRONS MUST BE LEVEL
NN OR SIGHTLY LOWER THAN THE RECEMNG CHANNEL AND SHOULD
_
NOT PRODUCE AN
OVERFALL OR RESTRICT FLOW CE THE COATER CONVEYANCE STRUCTURE)
CEOTEXIRE FABRIC OR
HDL-ORAOED AQIREGATE
rer�ECT
• INSPPECT WARN 24 HOURS OF A RAIN EVENT AND AT LEAST ONCE EVERY SEVEN CALENDAR
DAYS
• INSPECT FOR STONE OR ROUNDS STONES PLACEMENT FINISHED GRADE
AL APRON LENGTH (FEET)
AW - APRON WIDTH (FEET)
SCOURING THEENSURING
• CHECK FOR EROSION OR SCOURING AROUND SIDES OF THE APRON: REPAIR IMMEDATELY.
M
IMMEDIATELY.
AT APRON THICKNESS (FEET)
• CHECK FOR PIPING OR UNDERCUTTING REPAIR IMMEDIATELY.
NOTE AW IS THE APRON WIDTH AT THE
NARROW END OF THE APRON.
RIPRAP OUTLET
NOT TO SCALE
PROTECTION
(REV, 01/17)
DRAIN PIPE
STONE PLACED AROUND END OF
DRAIN PPE M PREVENT SLOPE
EROSION AND UNDERCUTTING OF
THE PPE
HAND, INC.
(HAMILTON COUNTY
AREA
NEIGHBORHOOD
DEVELOPMENT)
347 South 8th Street, Suite A
Noblesville, Indiana 46060
HOME PLACE
HOUSING
EAST 105TH STREET &
MCPHERSON STREET
CARMEL, INDIANA 46248
ISSUANCE INDEX
DATE:
03/17/2017
PROJECT PHASE:
TAC
Project Number 2016.00348
EROSION CONTROL
DETAILS
C521
OVLk
CA
HE
STRUCTUREPOINT
vG
7260 SNa,1M.,d SMWar I IMianap11I1, Indiana 462%
TEL
317.547.5560 1 FAX 217.543.0270
www.ahlMc7wapolrK. com
HOME PLACE
HOUSING
EAST 105TH STREET &
MCPHERSON STREET
CARMEL, INDIANA 46248
ISSUANCE INDEX
DATE:
03/17/2017
PROJECT PHASE:
TAC
Project Number 2016.00348
EROSION CONTROL
DETAILS
C521