This classification includes all of the specialty classes below:

1. (1) Base and paving:

   1. (A) Base construction;
   2. (B) Hot and cold mixes;
   3. (C) Surface treatment;
   4. (D) Asphalt; and
   5. (E) Concrete paving;
2. (2) Grading and drainage (includes grading, drainage, pipe and structures, clearing, grubbing, and rip rap), excavation;

3. (3) HRA miscellaneous and specialty items:

   1. (A) Traffic safety:

      1. (i) Pavement markers;
      2. (ii) Signaling;
      3. (iii) Guardrail and fencing; and
      4. (iv) Attenuators, signalization, and roadway lighting;

   2. (B) Landscaping:

      1. (i) Seeding;
      2. (ii) Sodding; and
      3. (iii) Chemical weed and brush control;

   3. (C) Pavement rehabilitation:

      1. (i) Pressure grouting;
      2. (ii) Grinding and grooving;
      3. (iii) Concrete joints; and
      4. (iv) Underdrains;

   4. (D) Miscellaneous concrete:

      1. (i) Sidewalks;
      2. (ii) Driveways;
      3. (iii) Curb and gutter; and
      4. (iv) Box culverts;
4. (4) Underground piping, cable, trenching, and boring;
5. (5) Water lines associated with fire protection;
6. (6) Water and sewer lines;

7. (7) Water and sewer plants and sewer disposal:

   1. (A) Steel, alloy, ornamental, metal fabrication, and welding;
   2. (B) Tower and stack construction;
   3. (C) Foundation construction or drilling, pile driving, and stabilization;
   4. (D) Concrete;
   5. (E) Conveyors, material handling systems, cranes, and hoists;
   6. (F) Erosion control;
   7. (G) Painting;
   8. (H) Carpentry, framing, millwork, and cabinets;
   9. (I) Lift stations and pumps;
   10. (J) Above ground tanks;
   11. (K) Roofing and roof decks;
   12. (L) Pipes, process piping, and valve repair;
   13. (M) Insulation;
   14. (N) Dredging; and
   15. (O) Masonry; and
8. (8) Water wells.

Codification Notes: “HRA” means highway, railroad, and airport construction.