Specifications include, but are not limited to:The Sodium Chloride (Rock Salt) shall conform to AASHTO M 143, Type 1, and Grade 1 with the following exceptions and additions: a) Chemical Composition The minimum Sodium Chloride (NaCl) content shall be 95 percent. Rock Salt with 93.0 to 95.0 percent NaCl will be accepted, however, a cost adjustment shall be taken based upon a 95.0 percent NaCl composition. Rock Salt having less than 93.0 percent NaCl may be accepted at the discretion of the Town of Woodbridge; however a cost adjustment shall be made based upon 95.0 percent NaCl composition. The adjusted cost per ton shall be calculated as follows: Cost per ton of 95.0 percent NaCl = A Difference between 95.0 percent and actual percent NaCl = B Adjusted cost per ton = A minimum (B/95.0 x A) b) Moisture Content the moisture content of the sodium chloride shall be two (2) percent, except that a three (3) percent content will be accepted with a cost reduction. A moisture content exceeding three percent (3.0) may be accepted at the discretion of the Town of Woodbridge with a cost reduction. Cost reduction shall be based on two (2) percent content and calculated as follows: Cost per ton of 2.0 percent moisture = A Difference between 2.0 percent and actual 5 percent moisture = B Adjusted cost per ton = A minimum (B/2.0 x A
