Specifications include, but are not limited to: The Public Works Department invites bids for supply of hard surface floor work services in accordance with the following specifications. Contractor must be knowledgeable and experienced in determining the proper methods for performing the requested services to be used on all hard floor surfaces. Contractor may need to provide proof of knowledge in floor work services on a variety of surfaces, including but not limited to ceramic/porcelain tile, concrete (painted, polished, sealed and unsealed), cork, marble/terrazzo, rubber, vinyl, VCT and wood. Some floor surfaces may require alternative methods as recommended by manufacturer, which may require a demonstration prior to any scheduled cleaning. Contractor will provide all labor, supervision, products, supplies, transportation and equipment necessary to provide hard floor surface floor work according to industry standards and the specifications contained herein.