Specifications include, but are not limited to: The City of Cambridge ("the City") seeks proposals for a consultant to provide building envelope restoration design services for various City buildings. The Designer must be familiar with construction methods, working drawings, public bid requirements, building and public safety, LEED (Leadership in Energy and Environmental Design) for Existing Buildings, and must have demonstrable experience in building envelope restoration in a municipal environment. The contracts will be for one-year with two one-year options to renew. The City reserves the right to extend the contract for a set period should the City determine such extension is in the best interest of the City. Payment will be on an hourly basis. The estimated number of hours for these contracts in any given year is 450. Number of hours could increase or decrease depending on the number of projects.