Specifications include, but are not limited to: 3/8” x 1/4” expanded shale lightweight aggregate material (Haydite), meeting the following gradation: Sieve Size - 3/8"/#4/#8/#16; % Retained - 0/15-25/85-100/95-100. Color: Material shall be primarily dark in color. Primarily tan-colored or light brown-colored material will not be accepted. Bidders shall submit, along with their bid, a sufficient sample of proposed light-weight aggregate that adequately illustrates the color of material to be supplied. NOTE: In the event that a bidder has a slightly different gradation than that listed above, the bidder shall submit a proposed gradation and material sample to Shawnee County for approval prior to submission of its bid.
