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Class Code Information
Phraseology
Cement Mfg.Description
Code 1701 applies to employers engaged in manufacturing cement, mortar, plaster, fiberglass insulation, rock wool, and similar products.
This classification also applies to employers engaged in manufacturing mica goods made from mica and mica preparing. Mica is a silicate mineral such as muscovite, the most common type of mica in the mica group which readily separates into thin, pliable leaves due to its crystalline structure. This classification includes preparing mica which involves separating the mica leaves from chunks of mica ore. In addition, this classification includes forming these leaves into sheets.
This classification also includes cutting mica sheets to size or into various shapes. This material is most commonly used as insulation as it is heat resistant, primarily by industrial concerns such as but not limited to the electrical industry.
This classification is also applicable to cutting shapes from purchased mica sheets or leaves that have been split by others.
Assignment by Analogy
- Drywall, sheetrock or wallboard
- Isinglass (muscovite) – mica in the form of thin sheets that are transparent for use such as in windows for stove doors of the coal or wood burning type
- Perlite or vermiculite
- Spackling compound
- Stucco - mix and blend only
Operations to be Separately Rated
Building material dealer. Refer to Code 8232 “Building Material Dealer – No Second-Hand Material & Local Managers, Drivers.”
Digging sand or gravel. Refer to Code 4000 “Sand or Gravel Digging & Drivers.”
- Dredging. Refer to Code 7333 “Dredging – All Types Program I,” Code 7335 “Dredging – All Types – Program II – State Act,” or Code 7337 “Dredging – All Types – Program II – USL Act.”
Excavation. Refer to Code 6217 “Excavation – NOC – All Operations to Completion & Drivers.”
Grinding and pulverizing. Refer to Code 1741 "Flint or Spar Grinding and Drivers."
- Mining:
Quarrying. Refer to Code 1624 “Quarry – NOC & Drivers.”