Consultant Selection Information

The Consultant Selection Office (CSO), in coordination with the Commissioner, manages and directs all activities regarding the solicitation and selection of consultant firms for all CTDOT Bureaus. The CSO also coordinates the annual consultant prequalification process.

Consultant Selection Office 
Office of the Commissioner
Connecticut Department of Transportation
Telephone: (860)-594-3346
or email to: DOT.ConsultantSelection@ct.gov

The Consultant Selection Office is now using electronic (email) notifications. Please ensure emails from DOT.ConsultantSelection@ct.gov & Amie.Maines@ct.gov are not automatically marked as spam by your email system.

Annual Consultant Prequalification Process for 2026 is CLOSED.  Applications were due by October 15, 2025. 

 

Effective January 1, 2024 the Recent Selection Criteria has been updated:

Recent Selection is now divided into 2 distinct categories: Design Categories (including Bridge Inspection) and Construction Inspection Categories. The recent selection look back rules now apply to each category independently.

Recent selection for design categories

  • The ‘look back’ window is 12 months.

  • A firm may be selected for 2 assignments within a 12 month rolling period.

  • A firm may only be selected for one assignment in the same prequalification category in a 6 month period.

 

Recent selection for construction inspection categories

  • The 'look back' window is 12 months

  • A firm may be selected for 2 assignments within a 12 month rolling period.

 

Recent Selection is waived for both Design and Construction Inspection Categories for the following conditions:

  1. Assignments which fall under the Construction Engineering and Inspection (Rails) or Construction Engineering and Inspection (Facilities) prequalification categories

  2. Assignments advertised via legal notice

  3. If less than the minimum number of firms statutorily required to be interviewed submit proposals in response to a solicitation.

 

Volume Determination

Calculation of a firms volume percentage is based on invoices paid over the last 3 years and incorporated into the selection scoring process through a volume adjustment factor which is added to the proposal score, prior to determining the shortlist of firms. 

  • 1.6.26 Consultant firms volume adjustment factors

    • NOTE: Firms not on this list will be given the maximum adjustment per complexity category (low-15; medium-10; high-5).

    • Volume Adjustment Range Chart. 

Consultant Selection Process Scoring Revisions Presentation 2.18.22

Solicitation Look Ahead 1.14.26

 

Active Solicitations for Consultant Services

  • CSO 2501 - Task Order Rail Engineering
  • CSO 2499 - Construction Engineering & Inspection for Project 53-199

  • CSO 2500 - Construction Engineering & Inspection for Project 164-245

  Project Info 164-245 for Information Only Subject to Change

 

  • CSO 2494 - Construction Engineering & Inspection for Project 166-104
  • CSO 2504 - Task Order Hydraulics & Drainage
  • CSO 2507 - Construction Engineering & Inspection for Project 401-0016

 

 

 

Prequalified Consultant List for 2026

 

SBE Directory of firms. https://biznet.ct.gov/SDSearch/SDSearch.aspx  (use Class 0600)

DBE Directory of firms.  https://biznet.ct.gov/DOT_DBE/dbesearch.aspx