RW928_RFI_County_Response_03-11-2026.pdf

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Attached to
Lerida Court and Gabarda Way Retaining Walls Improvement Project
Solicitation number
E5022
Issued by
San Mateo County, California

About this file

This is a Request for Information (RFI) response document from the County of San Mateo Department of Public Works regarding the Lerida Court and Gabarda Way Retaining Walls Improvement Project (County Project No. RW928). The document addresses five questions submitted by potential bidders concerning technical specifications and project procedures. Key clarifications provided include confirmation that the lower concrete waler and structural shotcrete are separated by a cold joint, geocomposite drain material shall be placed continuously against existing lagging except at I-beam flanges, concrete cover over upper ground anchors shall be structural shotcrete without construction joints, and notification that the public follower list feature has been enabled for the project. The RFI deadline is Friday, March 13, 2026 at 5:00 p.m., with sealed bids due by 2:30 p.m. on Thursday, March 19, 2026. Plan holders are automatically registered if downloaded from OpenGov, or must submit a plan holder's affidavit; the plan holder list will be posted two working days prior to bid opening.

The Engineer's estimate for this civil infrastructure construction project is $3,060,000. Bidders must possess either a California Class A License or applicable Class C licenses and must be registered with the California Department of Industrial Relations at contract award. Contractors must obtain comprehensive general liability insurance of $1,000,000, motor vehicle liability insurance of $1,000,000, and professional liability insurance of $1,000,000, with workers' compensation insurance also required. Prevailing wage compliance under California Labor Code Section 1770 et seq. is mandatory, with rates available through the California Department of Labor Standards Enforcement. The project requires completion within 80 working days of the Notice to Proceed, with liquidated damages of $4,800 per calendar day for delays. All contractors and subcontractors must comply with Equal Employment Opportunity requirements and achieve 100 percent diversion of inert materials and 50 percent diversion of remaining construction debris. The anticipated contract award date is April 7, 2026, with work to commence within ten calendar days of receiving the Notice to Proceed.

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Text version

QUESTIONS SUBMITTED

FOR

COUNTY OF SAN MATEO

DEPARTMENT OF PUBLIC WORKS

LISTED BELOW ARE THE QUESTIONS (Q) SUBMITTED FOR THE

LERIDA COURT AND GABARDA RETAINING WALLS IMPROVEMENT PROJECT

COUNTY PROJECT NO. RW928

PROJECT FILE NO. E5022

THE COUNTY OF SAN MATEO DEPARTMENT OF PUBLIC WORKS

HAS PROVIDED RESPONSES (R) TO THE QUESTIONS BELOW

Q1. I don’t see any connection between the lower concrete waler and the structural shotcrete. The sections on page 7 of the plans just show what appears to be cold joint. Is this correct?

R1. The lower concrete waler and the structural shotcrete are separated by a cold joint.

Q2. Confirming the entire area of the walls are to be backed with geocomposite drain, not just 2’ strips like Caltrans?

R2. The geocomposite material shall be placed continuously against the existing lagging but shall be omitted at the flanges of the existing I-beams.

Q3. Is the concrete cover over the upper ground anchors (sections 2 and 3 on page

7) to be structural shotcrete, no construction joint is shown?

R3. The concrete cover over the upper ground anchors shall be structural shotcrete.

Q4. Is there a followers list for this project. There is not a tab as usual for this project.

R4. We have enabled the public follower list feature. Thank you for bringing it to our attention.

Q5. Good morning, Wil there be a bidder’s list provided? I want to make sure our company is on list for bidding this project.

R5. If you have downloaded plans and specs from Opengov you will automatically be on the plan holders list, and this list will be posted two working days prior to bid opening on our website. If you have obtained plans and specifications by other means please fill out the plan holder’s affidavit in the specs and return via email.

All RFI Requests are due by Friday, March 13, 2026 at 5:00 PM

Updated as of March 11, 2026 F:\Users\design\C3D\E5022000_Lerida Court Retaining Walls Project\14 Bid Process\RFI\RFI_County Response_RW928.docx

File details come from the government source that posted it. Updated .