Specifications include, but are not limited to: The Contractor shall complete all areas by 7:00 a.m. unless the “Proposal Schedule” states otherwise. In the event the storm continues throughout the working day, the Contractor must maintain an open travel area during the operation hours of the facility. SAND AND SALT MIXTURE: The sand and salt mixture will be seven (7) parts sand and two (2) parts salt. De-icer (non injurious to concrete) will be required for concrete areas; example – stairways and sidewalks. ADDITIONAL SANDING AND SALTING: Additional sanding, salting and de-icing may be necessary as climatic conditions fluctuate around the freezing point. The Contractor shall not provide additional sanding or salting without being authorized to perform such services by an AUTHORIZED STATE REPRESENTATIVE FOR THE FACILITY.