This sealed‑bid solicitation from the City of Worcester calls for quarterly inspection, cleaning and minor repair of grease‑trap systems at 47 public‑school locations throughout the city. The work includes four scheduled service windows (February break, Memorial Day week, early August, and Thanksgiving week) plus a repair window in July‑August, with all work performed between 7 a.m. and 2:30 p.m. on weekdays. The contractor must document material removed, comply with MassDEP disposal rules, provide a one‑year warranty on labor and materials, and maintain required insurance coverage. The contract period is one year with two optional renewal years.