INVITATION TO BID: IMPROVEMENT PROJECTS 2016 – GROUT AND HAYHURST SCHOOLS PORTLAND, OR Bids due: April 26, 2016 @ 2:00 pm Portland Public Schools, School District No.1J, Multnomah County, Oregon seeks responses from qualified firms for provision of Improvement Projects 2016 – Grout and Hayhurst Schools. Experienced firms are invited to submit a bid for …