Rail Curve Package 2 for MOTCO, Concord, CA

** A map of the rail curves has been added to this post.

See Attachments.** Solicitation Number: W9123825BA008 Rail Curve Package 2 for MOTCO, Concord, CA The Government anticipates issuing an Invitation for Bid (IFB) with the intent of awarding a Firm-Fixed Price construction contract for MOTCO Rail Curve Package 2 – DBB Construction.

Project Description: The Rail Curve Package 2 repair scope includes reconstruction of approximately 7500 LF linear feet rail repair, including repairs of ties, rails and other track material for multiple rail curves on the tidal side of the installation at Military Ocean Terminal Concord (MOTCO).

The base bid package includes repair by replacement of curves 6, 11 & 12 with curvature less than 12 degrees, demolition of curves 4 & 5. Curve 19 is an optional repair by replacement with connection to a UPRR-owned mainline siding. Tracks will be constructed per standards in UFC 4-860-01FA and AREMA Manual for Railway Engineering. In accordance with DFARS 236.204(ii) the estimated magnitude of construction is expected to be between $25,000 000 and $100,000,000.

This prospective contract action will be conducted using NAICS Code is 237990 (Other Heavy and Civil Engineering Construction). The size standard is $45,000,000. Product Service Code is Z2LB (Repair or Alteration of Highways/roads/streets/bridges/railways).

The solicitation will proceed as a unrestricted and is estimated to be issued on or about Mid- August 2025 with bids due tentatively on Mid-September 2025. The IFB will be issued on the Government Point of Entry known as SAM.gov and will establish a firm bid due date/time. If applicable, the site visit date, time and location will be identified in the solicitation.

BE ADVISED THAT THIS PROJECT MAY BE DELAYED, CANCELLED OR REVISED AT ANY TIME DURING THE PRE-SOLICITATION, SOLICITATION, SELECTION, EVALUATION, NEGOTIATION AND/OR FINAL AWARD PROCESS. The only INTERESTED VENDORS LISTS (plan-holder's/bidder's list) is available via SAM.gov. Contractors are responsible for self-identifying as interested vendors and viewing other interested vendors. Contractors should check beta.sam.gov frequently for any changes to the interested vendors list and notice.

PLEASE DO NOT request a copy of the solicitation, or draft plans and specifications, as they are not currently available. Any available technical data required to respond to the solicitation will be furnished as part of the solicitation. Following solicitation release, all responsible sources may submit a bid that shall be considered by the agency. This project and/or the anticipated solicitation may be changed, delayed, or canceled at any time.