SDDOT / Project Development / Bid Letting / Contractor Info / Prequalified Contractors / Work Types

A - Grading
   (Includes M & N)

B - Portland Cement Concrete Paving
   (Includes E, F and O)

C - Asphalt Concrete Paving and Microsurfacing
   (Includes D, E and F)

D - Asphalt Surface Treatment
   Includes Asphalt Crack Sealing

E - Gravel or Crushed Rock Surfacing and Base Course
   (Includes F)

F - Crushing, Stockpiling and Salvage In-Place Asphalt Surfacing

G - Bridges and Bridge Rehabilitation
   (Includes H)

H - Minor Structures
   Includes Cast-in-place Box Culverts, Precast Multi-Beam Deck Bridges and Retaining Walls

I - Lighting and Signals

J - Signing, Delineation and Pavement Marking

K - Rest Area Buildings

L - Bituminous Recycling, Milling and Salvaging

M - Underground/Utilities
   Includes Storm Sewer, Sanitary Sewer, Waterline, Drainage Pipe, Precast Box Culverts

N - Incidental Construction
    Including Fencing, Guardrail, Railroad Crossings and Erosion Control

O - Miscellaneous Concrete Construction
   Including Concrete Pavement Rehabilitation, Pavement Grinding, Pile Jacketing, and Curb & Gutter