WAC 296-17A-0112   Classification 0112.  


0112-00 Commercial production of sand, gravel, clay and stone products

     Applies to establishments engaged in the production of sand, gravel, clay and stone products. Material may be excavated in an open or surface type pit at the production site, or from a mine or quarry operation. Sand, gravel and stone is washed, crushed, sorted, graded and screened. Sand or gravel in its natural state usually requires only screening with the larger stones being removed. The larger stones are crushed and rescreened. Clay is screened and graded. Refined products are stored in bins, hoppers, piles or yards prior to delivery by truck or rail to customers. This classification includes dealers who stockpile or store products in a yard type of environment prior to delivery to the customers when done in connection with the production of such products. Equipment includes, but is not limited to, scrapers, shovels, front end loaders, trucks, conveyors, jaw crushers, gyrators, roll crushers, and shaking tables.

     This classification excludes establishments engaged in selling custom soil mixes, bark, decorative rock, sand, or gravel purchased from others which are to be reported separately in classification 1103.

     Special note: Classifications 0112 and 1103 are not to be assigned to the same business unless all the conditions of the general reporting rule covering the operation of a secondary business have been met.


0112-01 Humus or peat digging

     Applies to establishments engaged in the digging or stripping of humus or peat. Humus is a brown or black organic substance consisting of decayed vegetable matter that provides nutrients for plants and increases the water retention of soil. Peat is a partially carbonized vegetable matter found in bogs and used as fertilizer and fuel. Work contemplated by this classification involves stripping material from the surface or bogs with mechanical equipment such as, but not limited to, power shovels, scrapers, drag lines, clamshell diggers or cranes, and hydraulic dredges. The material is conveyed from the pit or bog to hoppers by trucks or belt conveyors. At times it is necessary to grade, screen and dry the material prior to storage or delivery to customers. This classification includes dealers who stockpile or store material in a yard type of environment prior to delivery to customers when done in connection with the digging or stripping of such products.

     Special note: Classifications 0112 and 1103 are not to be assigned to the same business unless all of the conditions of the general reporting rule covering the operation of a secondary business have been met.


0112-02 Pit, crusher and bunker operations in connection with road, street and highway construction

     Applies to establishments engaged in pit, crusher and bunker operations in connection with highway, street or roadway construction projects. Generally, this type of operation is located in close proximity to the project site and is only set up for the duration of the project. Work contemplated by this classification includes excavating open or surface pits, scraping or stripping the surface, crushing, and bunker (storage) of material. Products extracted from the pit or surface include boulders, stone, rock, gravel, aggregate, sand, dirt or clay. These products can be used directly without any further refinements or could be washed, sorted, crushed and/or screened. Products are stored in bunkers or piles until needed. These products are used in a variety of ways as part of the roadway project such as, but not limited to, making preliminary roads into an area, filling in low or uneven areas, use as natural barriers, and bringing the roadbed and surrounding areas to grade. Equipment includes, but is not limited to, power shovels, scrapers, bulldozers, front end loaders and other earth moving equipment, trucks, conveyors, jaw crushers, gyrators, roll crushers, shaking tables, etc.

     Special note: This classification excludes contractors that maintain a temporary pit, crusher or bunker operation when performed by a contractor engaged in additional phases of the same road, street or highway construction project which is to be reported separately in classification 0101.


0112-03 Sand, gravel, or shale: Digging, N.O.C.

     Applies to establishments engaged in the digging or dredging of sand, gravel or shale that is not covered by another classification (N.O.C.). The material is excavated from surface pits with mechanical equipment such as power shovels, drag lines, clamshell diggers or cranes, or obtained from nonnavigable waters by means of hydraulic dredges, clamshell dredges, etc. The material is conveyed from the bank, pit or dredge to hoppers by trucks, belt conveyors, narrow gauge railroads or pipelines. It is then washed, graded, screened and stored in bins, hoppers, or piles prior to delivery by truck or rail to customers. Sand or gravel in its natural state usually requires only screening with the larger stones being removed. In some instances, the larger stones may be crushed and rescreened which is included in this classification. This classification includes dealers who stockpile or store material in a yard type of environment prior to delivery to customers when done in connection with the digging or stripping of such products.

     This classification excludes underground mining operations which are to be reported separately in classification 1702.

     Special note: Classifications 0112 and 1103 are not to be assigned to the same account unless all the conditions of the general reporting rule covering the operation of a secondary business have been met.



[07-01-014, recodified as § 296-17A-0112, filed 12/8/06, effective 12/8/06. Statutory Authority: RCW 51.16.035. 99-18-068, § 296-17-50603, filed 8/31/99, effective 10/1/99; 98-18-042, § 296-17-50603, filed 8/28/98, effective 10/1/98; 96-12-039, § 296-17-50603, filed 5/31/96, effective 7/1/96.]