Specifications include, but are not limited to: furnishing and delivery of 5 x 9 stone for aggregate ditch lining, 18” Flexible Light Stone Rip Rap and 24” Heavy Stone Rip Rap to be used in the Wichita-Valley Center Flood Control Project and area Creeks and Streams.; MATERIAL REQUIREMENTS: Material is to consist of individual fragments of stone, which are dense, sound, resistant to abrasion and free of cracks, seams or other defects, which would increase their destruction from water and frost actions. Material is to meet the following requirements: (1) Minimum saturated and surface dry specific gravity of 2.30. (2) Maximum absorption of 3.5 percent. (3) Loss not to exceed 18 percent as tested for soundness by the magnesium sulfate method. (4) Loss not to exceed 40 percent as tested for wear by the Los Angeles Abrasion Test. (5) Stone for rip-rap shall be free of earth, soapstone, shale and other easily disintegrated material that would decrease the durability of the material after placement. (6) All test methods shall be current A.S.T.M. methods.
