Specifications include, but are not limited to: This Invitation to Bid (ITB) is intended to result in a one-time purchase of surface course aggregate for the Ouzinkie Airport in Ouzinkie, Alaska. Award will be made to the responsive and responsible bidder who can provide the largest quantity of product delivered and stockpiled by July 1, 2023. There is one lot. ggregates shall consist of hard, durable particles or fragments of stone or gravel mixed or blended with sand, stone dust, or other similar binding or filler materials produced from approved sources. The aggregate shall be free from vegetation, lumps, or excessive amounts of clay and other objectionable substances. The coarse aggregate shall have a maximum Micro-Deval value of 21% when tested according to AASHTO T 327. The aggregate shall have a percent of wear not more than 50 at 500 revolutions as determined by AASHTO T 96 and shall not show evidence of disintegration nor show loss greater than 12% when subjected to 5 cycles of sodium sulfate accelerated soundness test using AASHTO T 104.
