SAND OR GRAVEL DIGGING — including construction, repair or maintenance of all buildings, structures or equipment and installation of machinery
If 25% or less of the excavated material is crushed or ground, all sand or gravel processing, including but not limited to crushing, grinding, washing, screening and bagging, shall be classified as 4000(1).
If more than 25% of the excavated material is crushed or ground, all sand or gravel processing, including but not limited to crushing, grinding, washing, screening and bagging, shall be classified as 1710, Stone Crushing, unless all crushed product will pass through an 8-mesh or finer screen, in which case the operations shall be classified as 1741(1), Silica Grinding.
Canal, sewer or cellar excavation or mining shall be separately classified.
Employees engaged exclusively in the delivery of the finished product shall be separately classified as 8232(2), Building Material Dealers — commercial.
|Shown below is the previously published phraseology and footnote||Effective Date|
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