Specifications include, but are not limited to: establish a fixed price agreement on various aggregate materials for drainage, routine maintenance and pavement repairs.; Line Item 21: ¼” Trap Rock For 1/4” aggregate – Modification to Section 1003.2.2 of the Missouri Standard Specification for Highway Construction, Edition 2011 and any additions thereto, Grade A2 aggregate must have an LA abrasion of 22 or less.; Line Item 22: 3/8” Trap Rock For 3/8” aggregate - Modification to Section 1003.2.2 of the Missouri Standard Specifications for Highway Construction, Edition 2011 and any additions thereto, to allow 0-18 of No. 4, Grade A1 aggregate and aggregate must have an LA abrasion of 22 or less.; Line Item 23: Manufactured Sand Manufactured Sand (Crushed Porphyry Aggregate Only – i.e. Iron Mountain “Man Sand”) Meeting the following gradation; Line Item 25: 3/8” Snow and Ice Control Chips Section 1006, meeting the following gradation; Line Item 26: Snow and Ice Control Sand (Natural Sand) Section 1005.3 modified as follows; percent by weight of coal and lignite shall not exceed 0.5% and meeting the following gradation;
