Specifications include, but are not limited to: The sodium chloride (rock salt or solar evaporated salt) must conform to the requirements of AASHTO C143 (ASTM D632) Type I, Grade 1. The requirements of M-143 are the standard, with additional requirements as detailed. In the event that this material fails to meet the minimum specification, the authorized representative reserves the right to require the contractor to take whatever corrective action is deemed necessary to bring the material up to specification, or require the contractor to remove and replace that material which fails to meet specifications within three (3) calendar days of being notified, at the contractors expense. The sodium chloride must be treated with an anti-caking agent in sufficient quantity to prevent caking during storage. Treatment must be at the source of supply and uniformly distributed. The approved anti-caking agent is sodium Ferro cyanide, Na4Fe (CN)6. 10H2O other anti-caking agents will require prior approval and certification. Maximum moisture content is 3.0% by weight. Sampling is per M-143, 8.1 at point of delivery. Price will be adjusted for excess moisture. Price reductions for excessive moisture shall be applied as follows: When the moisture content of the material as reported by the authorized representative is 3% or less, no price reduction will be imposed. When the moisture content exceeds 3%, the payment will be reduced on a one-for-one basis for each percentage point above 3%. That is,when the moisture is 4% the price reduction will be 1%. When the moisture is 5%, the price reduction will be 2%, etc. Moisture test results will be reported to the nearest full percentage point.
