466.1 466.3(a)
466.1DESCRIPTION –This work is furnishing and placing a n asphalt paving interlayer system on an
existing pavement surface and before an overlay or construction of pavement layer as a waterproofing or stress relieving membrane interlayer or both.
466.2MATERIAL –
Type II . Provide a sta ble fiber, needle- punched, nonwoven material consisting of at least 85% by weight polyolefins, polyesters , or polyamides. The paving fabric must be resistant to chemical attack, rot and mildew , and have no t ears or defects that will adversely alter its physical properties. The fabric must be specifically designed for pavement applications and be heat -set on one side to reduce asphalt material bleed- through and to minimize fabric pick -up by construction equipment during installation.
glue or lightweight carrier fabric . The fiberglass mesh grid must be resistant to chemical attack, rot and mildew , and have no tears or defects that will adversely alter its physical properties. Grid must conform to the following performance properties:
inch. Test according to ASTM D6637.
together . Provide a composite of stable fiber, needle- punched, nonwoven material consisting of polyolefins, polyesters , or polyamides with mechanically reinforced bonded network of reinforced glass filaments. The composite grid must be resistant to chemical attack, rot and mildew and must have no tears or defects that will adversely alter its physical properties.
Test according to ASTM D6637.
64S-22 as modified in Bulletin 25 as specified in Section 702.