ROAD WEATHER INFORMATION SYSTEM (RWIS) ANNUAL MAINTENANCE

The Wyoming Department of Transportation (WYDOT) is seeking bids for the annual maintenance of its Road Weather Information System (RWIS). The contractor will be responsible for checking, cleaning, and calibrating various sensors, including non-invasive sensors, in-pavement sensors, subsurface sensors, temperature and humidity sensors, wind sensors, barometric sensors, precipitation sensors, and visibility sensors. The contractor will also be responsible for updating software and firmware when necessary. The scope of work includes: • Checking and calibrating sensors using specialized equipment and techniques • Cleaning sensors with water, soft cloth, and other materials • Verifying sensor accuracy using calibrated sensors • Replacing bearings and O-rings in wind sensors • Updating software and firmware when necessary The contractor should have experience with RWIS maintenance and be familiar with the equipment and techniques required for the job.