Class Code: 6306

Per NCCI's Scopes Code Description:

Code 6306 is an all-inclusive class for employers engaged in sewer construction operations. It applies to the installation of force main-type sewage work, the installation of storm sewer lines including the outfall, construction of drain concrete boxes, catch basins, manholes, laying of pipe, etc., for storm sewer systems. Code 6306 also applies to all types of storm and sanitary sewer construction projects, regardless of the size of pipe and the depth below the ground surface, including all related operations, such as mechanical or hand tool trench digging, boring, hauling, handling and laying of pipe (even large dimension pipe), making connections, masonry and concrete work, fence construction work, filling or backfilling, tunneling at street crossings, etc.

Refer to Code 5403 for extra-territorial premium determination guidelines that may be applicable to employers that have operations outside their headquarters’ state.

State Addendum


Code 6306 does not include tunneling operations. Refer to Code 6251 for all tunneling operations.

Rate per $100. of Renumeration: $ 3.86

Construction Exemption Required: Yes