256240.02
c.Agricultural lime:
1.Ground limestone shall be of such fineness that at least 86 percent will pass a No. 20 mesh screen, at least 47 percent will pass a No. 60 mesh screen, and at least 28 percent will pass a No. 100 mesh screen. Material shall have a calcium carbonate equivalent of at least 85 percent.
2.Pulverized limestone shall be of such fineness that at least 90 percent will pass a No. 20 mesh screen, and at least 66 percent will pass a No. 100 mesh screen. Material shall have a calcium carbonate equivalent of at least 85 percent.
d.Lime for soil stabilization shall be quicklime or hydrated lime conforming to AASHT0 M216. SECTION 241—FL Y ASH
241.01 Description
These specifications cover fly ash (burnt coal residue) used as an additive in hydraulic cement concrete or as a soil stabilizer.
241.02 Detail Requirements
a.Fly ash used in hydraulic cement concrete shall conform to ASTM C618, Class F , or Class C.
b.Fly ash used in lime stabilization shall conform to ASTM C593. The Engineer may approve the use of bulk material if requested. SECTION 242—FENCES
242.01 Description
These specifications cover material requirements for fence components used in the construction of chain link, pedestrian, barbed wire, woven wire, and lawn fences and material specifications for temporary silt fences, geotextile fabric silt barriers, and filter barriers used for erosion and sediment control.
242.02 Detail Requirements
Steel posts and braces for standard fence and chain link fence may be fabricated from pregalvanized material in lieu of galvanization after fabrication provided ends and other areas of exposed metal are satisfactorily treated or repaired using a material conforming to Section 233.
a.Chain Link and Pedestrian Fences: Fabric material shall be new 9-gage core conforming to the following:
Source: Virginia Road and Bridge Specifications, 2020 Edition. Pages 284–283 of 1,065.