Specifications include, but are not limited to:This bid is to furnish and deliver bulk rock salt for snow and ice control, in accordance with the AASHTO Specification M143, Sodium Chloride Type 1, Grade 1. Bulk rock salt shall be 95 to 98 percent pure sodium chloride. Maximum moisture content shall be no more than two and a half percent (2.5%). SOLAR SALT WILL NOT BE ACCEPTED. Bulk rock salt not meeting the standards listed in these Specifications shall be subject to rejection by Winnebago County. Salt shipments shall be F.O.B., delivered. Deliveries shall be made between the hours of 6:00 a.m. and 5:00 p.m., Monday through Friday. Arrangements can be made for after hours and weekend deliveries to maintain a prompt order delivery schedule. These arrangements can be made by contacting the Winnebago County Highway Department