The scope of this bid includes 15 categories of janitorial cleaners. ("CAHI") invites proposals from qualified and experienced Janitorial Services Companies.The official website of the City of Oakland. Find out about meetings, request City services through OAK 311, or contact the Mayor and City Council. The Work shall be performed to the greater of the standards applicable to "Class "A" office Buildings or the standards specified in this. RFP.