59A1428 - A&E On-Call Water & Wastewater Project Development and Construction Design Support Services, District 59.

Basic Information
Title	59A1428 - A&E On-Call Water & Wastewater Project Development and Construction Design Support Services, District 59.
Agency	Department of Transportation
Department	Department of Transportation
Event ID	59A1428
Format/Type	Sell Event / RFx
Published Date	09/29/2026
Bid Due Date	10/29/2026
Pre Bid Conference	Non Mandatory

Category Information
UNSPSC	81101500 Professional engineering services - Civil engineering 70171501 Water resource development service contracting services - Water quality assessment services 81101508 Professional engineering services - Civil engineering - Architectural engineering

Contact Information
Name	Vanessa Usanmaz
Email	vanessa.usanmaz@dot.ca.gov

59A1428
The documents and files attached to this solicitation do not have any updates for digital accessibility at this time. Updates will be applied as soon as they are available. For an accessible version of solicitation documents published on this page, please submit a request at http://bit.ly/dpac-ada or call (916) 654-2852.
Caltrans is soliciting Statements of Qualifications (SOQs) from qualified firms that may lead to the award of a contract perform consultation, research, professional and technical engineering studies required for Water and Wastewater systems related project development services including field sampling, reports, and construction design support, on an as-needed basis to support the California Department of Transportation (Caltrans), Water & Wastewater Project Development and Construction Design Support Services, District 59.
The work must be performed on projects to improve the State transportation system.
Work could potentially occur in any district of Caltrans and county of California.
Unless modified by Addenda, RFQ Requirements Question & Answer (Q&A's) must be received no later than seven (7) business days after RFQ advertisement.
The estimated contract amount is $3,600,000 - $5,850,000
The estimated contract term is five (5) years.
It is the responsibility of the consultants/subs/vendors to identify teams that may be submitting a Statement of Qualifications. The Department has no way of identifying companies or entities that have downloaded the project documents for teaming purposes.