[tag="PRP$"] [□=□] □ □ □
[tag="PRP$"] [tag=□] □ □ □
[tag="PRP$"] [lemma=□] □ □ □
A review of the bidders lists reveals that many qualified contractors already choose not to bid on city work , and the BVC ordinance may further discourage their participation.The basis of the ordinance is prequalification of general contractors , prime contractors and subcontractors .