This information must be sealed and labeled on the exterior to clearly indicate that they are in response to Janitorial Services. The contractor will provide required equipment to carry out the work: Vacuum cleaners, mops, brooms etc.- janitorial cleaning supplies. The City of Norcross, located in Gwinnett County, is requesting proposals for services of a qualified. In this post construction cleaning proposal template, we've set out an example case study. The following documents are contained in and made a part of this Bid Package or are required to be submitted with the bid.