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| These Maintenance planning guidelines apply to both [http://epg.modot.mo.gov/files/7/72/232_Major_Highways_Map.pdf major] and minor roads.
| | See [[:Category:170 Maintenance Activity Planning Guidelines#R415 Chemical Weed Control|Maintenance Planning Guide for Chemical Weed Control]]. |
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| |'''Code:''' R415
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| '''Definition'''
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| The time and expenses incurred for the application of chemicals for the control and eradication of weeds and other vegetation.
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| '''Purpose'''
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| To control vegetation through chemical application.
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| '''Scheduling'''
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| As needed as recommended by product labels and [[:Category:821 Herbicides and Roadsides|Herbicides and Roadsides]].
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| '''Recommended Equipment'''
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| :* Truck or tractor-mounted sprayer
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| :* Backpack sprayer
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| :* Handheld sprayer
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| :* Traffic Control Equipment, refer to [[616.23 Traffic Control for Field Operations|Traffic Control for Field Operations]].
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| '''Recommended Material'''
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| :* Various weed and brush control chemicals
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| :* Fresh water supply
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| '''Recommended Procedure'''
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| 1. Read the label.
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| 2. Prepare chemicals.
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| 3. Place traffic control devices as needed.
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| 4. Apply chemicals at the specified rate and in the appropriate manner.
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| 5. Remove traffic control devices.
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| 6. Clean all spray equipment thoroughly.
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| 7. Enter data into the Herbicide Database.
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| '''Safety'''
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| Follow label recommendations for handling and spraying chemicals. Personnel should follow MoDOT licensing policies. Be aware of wind direction and velocity and the proximity of residences, crops and gardens. Wear all appropriate [[821.2 Safety|Personal Protection Equip (PPE)]]. Refer to [http://lnapp1/RI/RIManual.NSF/SHToC?OpenView Safety Policies, Rules & Regulations-Employee Handbook] .
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| '''Other Considerations'''
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| Applicable Material Safety Data Sheets are required in spray vehicles. Contact district roadside personnel for assistance.
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| '''Reference'''
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| [[:Category:821 Herbicides and Roadsides|Herbicides and Roadsides]]
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| '''Photographs'''
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| {|
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| |[[image:821.26.1.gif|375px|thumb|<center>'''Willow tree chemical treatment'''</center>]]||[[image:821.26.2.gif|375px|thumb|<center>'''Intersection weed control'''</center>]]
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| |[[image:821.26.3.gif|375px|thumb|<center>'''Mobile operation weed control traffic control'''</center>]]||[[image:821.26.4.gif|375px|thumb|<center>'''Mobile operation weed control traffic control'''</center>]]
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| |}
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| | Index of all [[:Category:170 Maintenance Activity Planning Guidelines#Index of Printable Planning Guides|Maintenance Planning Guidelines]]. |
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| [[Category:821 Herbicides and Roadsides]] | | [[Category:821 Herbicides and Roadsides]] |