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Committee examines street-sweeper timing and gate use after Rawson Avenue dust complaints
Summary
Committee members and the Stantec presenter discussed two dust/debris complaints on Rawson Avenue, noting variability in sweeper sightings, increased use of the Northeast Gate and that the operator sometimes sprays the road before sweeping to reduce dust.
The Quarry Monitoring Committee discussed two dust/debris complaints on Rawson Avenue during the April–June reporting period. The Stantec representative said the street sweeper was observed in use most of the time but that two of five visits found the sweeper absent. The presenter also said some gravel and curb debris were visible on drive-alongs but could not be conclusively tied to quarry traffic.
Committee participants asked whether the sweeper uses water during operations; the Stantec representative said water is used unless temperatures are below freezing. A committee speaker (S3) said the operator "upped the frequency a bit" and that "from time to time, we'll actually spray the road down, and then sweep that up, which seems to help immensely." Members discussed increased use of the Northeast Gate (which routes trucks over a gravel road) versus the Northwest Gate and how gate selection can affect visible road debris.
The committee asked Stantec to present the third-quarter and biannual reports at the next meeting; no enforcement action was recorded in the transcript.
