Engineering Design Standards, Standard Plates, Technical Specifications, & Standard Contract Documents

Design Standards

  1. Engineering Design Standards (Updated December 2024)

Standard Plates

  1. Asphalt Concrete
  2. PCC Pavement
  3. Pipe Culverts
  4. Curb & Gutter
  5. Sidewalk
  6. Drop Inlets
  7. Manholes
  8. Erosion Control
  9. Misc.
  10. Sanitary Sewer

Specification No. 320 (Updated December 2024)

  1. 320.15 Asphalt Adjacent to PCC Joint SD DOT

SDDOT Approved Products

Technical Specifications

(Last updated January 2025) Technical Specifications below should be used for any bid after December 1, 2024: 

  1. AGGREGATE BASE COURSE TECHNICAL SPECIFICATION
  2. ASPHALT TECHNICAL SPECIFICATION
  3. CHIP SEAL WITH FOG SEAL TECHNICAL SPECIFICATION
  4. CONCRETE TECHNICAL SPECIFICATION
  5. CRACK SEALING TECHNICAL SPECIFICATION
  1. GRADING TECHNICAL SPECIFICATION
  2. LIFT STATION SPECIFICATIONS
  3. SANITARY SEWER TECHNICAL SPECIFICATION
  4. STORM SEWER TECHNICAL SPECIFICATION
  5. UNDERGROUND UTILITIES TECHNICAL SPECIFICATION

Standard Contract Documents

(Last updated January 2025)

  1. General Conditions
  2. General Conditions Cover
  3. General Requirements
  1. Instructions to Bidders
  2. Liability Insurance Certificate Requirements
  3. Supplementary Conditions