Specifications include, but are not limited to: The Contractor(s) shall have equipment and employees trained to operate commercial grade, mobile, hot and cold water, pressure washing equipment, including deep cleaning and degreasing scrubbers. The equipment shall be capable of removing environmental aging, chalk, beverage stains, fluid stains, gum, grease and oil. Cleaning agents shall be bio-degradable and environmentally safe. The Contractor(s) shall have water reclamation equipment and portable barriers for containment to prevent spillage into storm drains and/or waterways. Hazardous materials, oils, greases or other petroleum products shall not be discharged to the campus sanitary or storm water sewer systems. Collected waste water containing hazardous materials, oil, grease or other petroleum products shall be transported off-campus for treatment and disposal.