Specifications include, but are not limited to: 2.7.1 CCSD approved Model: Advance SC 1500 REV or CCSD approved equivalent 2.7.2 Must have a minimum of 12 gallon solution and recovery tank capacity 2.7.3 Minimum down pressure of 88 pounds 2.7.4 20” dual random head type orbital scrubber 2.7.5 Minimum Squeegee width: 26.5 inches 2.7.6 Ability to choose solution flow rate without stopping machine 2.7.7 Twin 140 AH maintenance free AGM batteries, on-board charger and pad holder 2.7.8 Must be ergonomically designed for operator comfort and control while standing on scrubber 2.7.9 Estimated Quantity: Six (6) stand-on scrubbers 2.7.10 Quantities are estimates, which have been determined by the CCSD. Vendors are notified that the quantities purchased may vary from those in the solicitation, either by being increased or decreased, depending on the availability of funds.