Specifications include, but are not limited to: Description:Trap Rock ( Crushed Porphyry Aggregate Only - i.e. Iron Mountain Chips): Delivery Completion Deadline of May 1, 2020. a. Dark or near black in color, free of mud and other debris, meeting the requirements and complying with the quality and gradation requirements of Section 1003 (Grade A, Aggregate Only) of the Missouri Standard Specifications for Highway Construction, Edition of 2019, and any revisioins thereto, unless modified by these specifications.
https://www.modot.org/missouri-standard-specificationshighway-construction b. For 1/4" aggregate - Modification to Section 1003.2.2 of the Missouri Standard Specification for Highway Construction, and any additions thereto, Grade A2 aggregate must have an LA abrasion of 22 or less. Specification Number: 2019 MISSOURI STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION Description:SPEC. 4 AGGREGATE FOR SEAL COAT - SECTION 1003: GRADE C. (Crushed Stone Only) DELIVERY COMPLETION DEADLINE OF APRIL 15, 2020. Specification Number: 2019 MISSOURI STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION Description:SPEC. 6 SNOW AND ICE CONTROL SAND: SEC. 1005.3 Fine Aggregate; or Sec. 1002.3 Fine Aggregate Meeting the following gradation requirements: Sieve 3/8" = 100% Passing, Sieve No. 4 = 0-85% Passing, Sieve No. 10 = 0-10% Passing. DELIVERY COMPLETION DEADLINE OF APRIL 15, 2020. Specification Number: 2019 MISSOURI STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION Item Specification for SPEC. 8 -RAY COUNTY Description:SPEC. 8 AGGREGATE FOR BASE - SECTION 1007: TYPE 1 - DELIVERY COMPLETION DEADLINE OF APRIL 15, 2020. Specification Number: 2019 MISSOURI STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION Description:SPEC. 3 AGGREGATE FOR SURFACING - SECTION 1006: GRADE A OR B. DELIVERY COMPLETION DEADLINE OF APRIL 15, 2020. NOTE: Type 1 Aggregate for Base will not be accepted for Spec. 3 materials Meeting the following gradation requirements: 1" sieve = 100% passing, 1/2" sieve = 15-75% passing, 3/8" sieve = 0-60% passing, #4 sieve = 0-35% passing, & #10 sieve = 0-20% passing. Specification Number: 2019 MISSOURI STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION