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Helicopter Spraying Services 2020


Location
Wisconsin
Publication Date
06/24/2020 01:20 PM EDT
Closing Date
07/13/2020 03:00 PM EDT
Issuing Organization
State of Wisconsin - Department of Natural Resources
Solicitation Number
Description

Specifications include, but are not limited to: Aerial Spray Recommendations The helicopter will be required to have a GPS system on board to record helicopter swaths, position, and boom on and off times and location. If local wind patterns are known they should be taken into account. Avoid spray drift impacting non-target sites by taking the following steps: When treating next to sensitive areas, spray in the morning. The specific time will need to be determined by real-time weather monitoring. Maintain boom pressure at less than 40psi., or per label instruction. Monitor spray pressure during flight, since changes in pressure can change the application rates and may change the drop size. Use nozzles designed for medium to coarse droplet size (240 to 400 microns), or as specified per label instruction. Use Imazapyr and methylated seed oil as a surfactant to help maintain large droplet size.

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