The Lowell Housing Authority and the Board of Commissioners, the Awarding Authority, invite sealed bids from General Contractors for On-Call Plumbing Services for the Lowell Housing Authority in Lowell, Massachusetts, in accordance with the IFB documents.The Project consists of: on an on-call basis test, repair, and install plumbing and gas systems, kitchen equipment, drains systems and all other types residential-type plumbing work.