WT25054 / HSIPSL-5008(223) REQUEST FOR PROPOSALS (RFP) CITYWIDE GUARDRAIL REHABILITATION AND REPLACEMENT Provide professional design services including preparation of plans, specifications, and cost estimates to remove and install guardrails at seven (7) locations.

Letter of Clarification No. 1 - June 4, 2026
REQUEST FOR PROPOSALS
PROFESSIONAL SERVICES
FOR THE
CITYWIDE GUARDRAIL
REHABILITATION AND REPLACEMENT
Project No. WT25054 / HSIPSL-5008(223)
Issued by:
City of Stockton
Public Works Department
501 W. Weber Avenue
Building 2, 3rd Floor
Stockton, CA 95203
Date Issued: Tuesday, May 19, 2026
Written Questions Due: Wednesday, June 10, 2026
Date Proposals Due: Friday, June 19, 2026, 3 p.m.
Late Submittals Will Not Be Accepted

Letter of Clarification No. 1 - June 4, 2026
1.0 INTRODUCTION
The City of Stockton (City) is soliciting proposals from qualified firms to provide professional
engineering services to prepare plans, specifications, and an engineer's estimate of probable
construction cost for the removal of existing guardrails and replace with FHWA
recommended Midwest Guardrail Systems at the following seven locations: 1) Carolyn
Weston Blvd at French Camp Slough, 2) Arch Airport Overpass, 3) Eight Mile Road at Pixley
Slough Bridge, 4) West Lane at Calaveras River, 5) Eight Mile Road & Hwy 99 W Frontage
Road, 6) Myrtle St west of Hwy 99, and 7) Hwy 99 W Frontage Road at Mosher Slough.
Contract negotiations will begin with the highest ranked firm. Pending successful
negotiations, the Consultant will enter a Professional Services Contract with the City.
2.0 BACKGROUND
The City has allocated HSIP Cycle 12 funds to remove existing guardrails and replace them
with Midwest Guardrail System (MGS) guardrails. The existing guardrail systems are
outdated and damaged. The project will serve to improve safety at several locations for
motorists.
3.0 PROJECT DESCRIPTION
The project will remove existing guardrails and replace with FHWA recommended Midwest
Guardrail Systems at the following seven locations: 1) Carolyn Weston Blvd at French Camp
Slough, 2) Arch Airport Overpass, 3) Eight Mile Road at Pixley Slough Bridge, 4) West Lane
at Calaveras River, 5) Eight Mile Road & Hwy 99 W Frontage Road, 6) Myrtle St west of Hwy
99, and 7) Hwy 99 W Frontage Road at Mosher Slough.
4.0 SCOPE OF WORK
Each consultant shall prepare a detailed scope of services based, in part and at a minimum,
on the information presented in this Request for Proposal, and other available information.
The consultant shall provide a cost proposal and anticipated schedule, which accomplishes
the objectives of the project.
Consultants are encouraged to include items that are not presented in the RFP but thought
necessary for this project.
4.1 Background Research
The Consultant shall research and review existing topographic mapping, photos, right
of way maps, "as-built" plans, record maps, surveys, assessor maps, and local street
improvement plans for the project.
The Consultant shall conduct field reconnaissance of the entire project limits. The
Consultant shall work with all pertinent utilities to identify conflicts, coordinate utility
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Letter of Clarification No. 1 - June 4, 2026
plan reviews, conduct necessary coordination meetings, and locate designed
improvements as required to facilitate any utility relocations. The objective is to
eliminate any conflicts that may be encountered during construction, which would
pose construction delays or claims. Utilize potholing or other methods to determine
depth of utilities to determine if utility relocation is necessary.
Consultant must coordinate with utility companies to the maximum extent possible and
show all existing utilities that will be impacted or cause impact by the proposed project
and provide copies of utility correspondence for City files.
The Consultant shall identify required permits, prepare all permit applications. Permit
fees will be paid by the City.
4.2 Environmental Services
Environmental services for this project have been covered by the City.
4.3 Plans, Specifications, and Estimate
The Consultant shall prepare complete PS&E documents, which include design
improvement plans, technical specifications, and engineer's estimate. The PS&E shall
be prepared according to the City's standards. Prepare a base map showing existing
information to facilitate the design of all the necessary improvements. The base map
limits shall be sufficient to cover all necessary improvements within the project area.
PS&E submittals shall be submitted for review to the City at 65%, 95% and 100%
completion stage. The Consultant will provide one electronic (PDF format) at each
design stage to the City for review and comments. With each stage, the review
comments from the previous stage shall be itemized and a written response to each
shall be prepared in a comment matrix.
Final PS&E submittal shall include: Final cost estimate and specifications, AutoCAD
and PDF format drawing files and Microsoft Word format specifications delivered to
the City. After completion of the construction, Consultant will incorporate the red lines
(provided by contractor) into an as-built set of signed mylars. The Consultant shall
provide electronic copies of the as-built sheets.
4.4 Utility Coordination
The consultant will be responsible for performing utility investigations and coordination
with utility owners throughout the project development process. The Consultant will
be present at all necessary meetings with each utility owner. The consultant will be
responsible for, but not limited to, the following:
Prepare a project limits map and request utility information from each utility owner
within the area of work.
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Letter of Clarification No. 1 - June 4, 2026
Prepare Utility Letter "A" during preliminary design phase to the affected utility owners
for City to review and approve prior to transmitting to utility owners. Information on
existing utilities obtained as a result of the "A" letter will be transferred to base maps
in both plan and profile view. A copy of the utility data obtained from utility owners will
be provided to the City and the originals will be filed in the project files.
Prepare Utility Letter "B" during 65% design phase to the affected utility owners for
City to review and approve prior to transmitting to utility owners. Two sets of half-sized
65% plans will be provided to each utility owner as an attachment to the letter. The
letter will request that utility owners verify any utility conflicts with proposed
improvements and indicate whether any future utilities are proposed in the area that
may require accommodation through the improved area. Information on existing
utilities obtained as a result of the "B" letter will be used to determine potential utility
conflicts and to resolve the conflicts identified. A copy of the utility data obtained from
utility owners will be provided to the City and the originals will be filed in the project
files.
Prepare Utility Letter "C" during 100% design phase to the affected utility owners for
City to review and approve prior to transmitting to utility owners. Two sets of half-sized
100% plans will be provided to each utility owner as an attachment to the letter. The
letter will indicate to the utility owners whether any changes have been made to the
project plans since the Utility Letter "B" and will request written confirmation of utility
relocations and utility relocation schedule. A copy of the utility data obtained from utility
owners will be provided to the City and the originals will be filed in the project files.
4.5 Public Outreach
No public outreach is anticipated to be part of the scope of work.
4.6 Coordination/Meetings
The Consultant shall attend meetings with City staff for a when necessary to discuss
and finalize the design. Assume there will be a minimum of 5 required meetings for-
kick off, 65% plan review, 95% plan review, 100% plan review, final review during the
design phase.
The Consultant shall prepare and provide a comprehensive schedule to reflect the
timeframe for each stage/task of the proposed scope of work, utilizing Microsoft
Project. The project schedule shall show a base line, tasks, duration, milestones,
assignments, critical paths, and other relevant data. The project schedule shall be
maintained and updated monthly throughout the design phase of the project.
The consultant is responsible for coordinating and meeting with all utility companies
and impacted agencies as needed for the project to resolve all project issues.
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Letter of Clarification No. 1 - June 4, 2026
4.7 Design Support During Construction
As part of the proposal, consultants shall include bid support services that consist of
assisting the City in responding to all Requests for Information (RFI) during the project
advertisement phase. Consultant shall also include services for design support during
construction. These services include responding to all RFI(s), submittal reviews and
approval, altering project plans to address any design flaws or inconsistencies (at no
additional cost to the City), consultation with the construction contractor, and
preparation of record drawings.
4.8 As-Built Drawing
Consultant shall prepare record drawings upon project completion. As-built record
drawings shall reflect change orders, accommodations, and adjustments to all
improvements constructed. Prior to accepting the As-Built Plans, City staff will review
the Record Drawings and electronic files to confirm that they reflect what has actually
been constructed. Electronic files of the As-Built drawings (in standard PDF format)
and CAD (DWG or DXF format) shall be provided in addition to the original As-Built
mylars.
The consultant can assume that the City will perform the construction management
in-house which includes a resident engineer duties and inspection.
4.9 Preserving and Perpetuating Survey Monuments
The Consultant shall identify, list, and show existing survey monuments on
construction plans. Consultant shall file a Corner Record or Record of Survey with
San Joaquin County for monuments within the project limits that have not been
previously recorded and submit a copy to the City. The Consultant shall include
language in the PS&E package to preserve all monumentation affected by the work
being performed in accordance with Section 8771 of the Professional Land Surveyors
Act in the Business and Professionals Code of the State of California. The Consultant
shall sign the Acknowledgement of Monument Preservation form. See Attachment B.
(Please note that the above tasks are listed as a general framework for this project.
You are encouraged to include additional tasks into your proposal.)
5.0 PROJECT GENERAL INFORMATION
5.1 Proposal Submissions
Proposers shall email an electronic copy of the proposal to Alejandro Martinez at
Alejandro.Martinez@stocktonca.gov and CC: Dawn.Clement@stocktonca.gov no
later than 3 p.m. on June 19, 2026.
The Fee Schedule must be emailed, separately from the proposal, only to
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Letter of Clarification No. 1 - June 4, 2026
Nguyet Pham at Nguyet Pham@stocktonca.gov.
Email subject line shall read, "CITYWIDE GUARDRAIL REHABILITATION AND
REPLACEMENT PROJECT".
Late electronic submittals will not be accepted.
5.2 Acceptance or Rejection of Proposal
The City reserves the right to negotiate an agreement with the firm submitting the
highest-ranking proposal. Also, the City reserves the right to reject any and all
proposals or to waive any irregularity in a proposal if it is deemed to be in the best
interest of the City. Failure to submit all requested information could be grounds to
reject the proposal.
5.3 Proposal Questions and Requests for Clarification
Any question or request for clarification shall be submitted in writing to:
Alejandro.Martinez@stocktonca.gov
Requests for clarification shall be submitted at least seven (7) business days prior to
the proposal due date. If a response warrants an addendum to the RFP, such
addendum will be posted on BidFlash at least two days prior to the proposal due date.
It is the proposer's responsibility to check the website for any addendums or
responses to questions. The website address is as follows:
www.stocktonca.gov/PWBid
5.4 Causes for Disqualification
Any of the following may be considered cause to disqualify a proposal:
A. Evidence of collusion among proposers
B. Any attempt to improperly influence any member of the evaluation panel
C. Any attempt to communicate in any manner with a City of Stockton elected
official during the RFP/bid process will, and shall be, just cause for
disqualification/rejection of proponent's proposal/Proponent's bid submittal and
considered non-responsive.
D. A proponent's default in any operation of a professional services agreement
which resulted in termination of that agreement; and/or
E. Existence of any lawsuit, unresolved contractual claim, or dispute between
proponent and the City.
F. No person, firm, or corporation shall be allowed to make or file or be interested
in more than one bid for the same supplies, services, or both; provided,
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Letter of Clarification No. 1 - June 4, 2026
however, that subcontract bids to the principal bidders are excluded from the
requirements of this section: Section 3.68.120 of the Municipal Code.
G. Failure to comply with the Instructions to Proposers or submit all required
documents/forms.
5.5 Licensing Requirements
Any professional certifications or licenses that may be required are the sole cost and
responsibility of the proposer. A City of Stockton business license is required. Please
contact the City of Stockton Business License Customer Service at (209) 937-8410.
5.6 Insurance Requirements
The proposer must obtain and maintain the required insurance. Proposer should
review Attachment C, Instructions to Proposers for information regarding insurance,
indemnification, Disadvantaged Business Enterprises, prevailing wages, etc. Failure
to comply with the Instructions to Proposers may be grounds for rejection.
5.7 Department of Industrial Relations
Please refer to Attachment C, Instructions to Proposers, for registration requirements
with the Department of Industrial Relations.
5.8 Product Ownership
Any documents resulting from the performance of work in the contract will become
property of the City. This includes all work performed by subconsultants.
6.0 REQUIRED PROPOSAL CONTENT
The proposal shall contain the following, at a minimum:
* Cover Letter
* Table of Contents
* Executive Summary
* Project Team
* Project Understanding
* Detailed Work Plan
* Examples of experience with similar types of work
* Schedule
* Cost Proposal
The body of the technical proposal shall not exceed fifteen (15) pages with a minimum font
size of 10. Proposer shall submit four (4) bound sets of the proposal. The maximum allowable
length is exclusive of any folder, cover, or section dividers. Proposals shall be no more than
twenty-five (25) pages, including resumes and the cover letter.
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Letter of Clarification No. 1 - June 4, 2026
6.1 Cover Letter
The letter shall be signed by an official with authority to negotiate and contractually
bind the firm with the City of Stockton. Provide name, title, address, email, and
telephone number for this officer. Describe any subcontract arrangements or licensing
agreements. Include any potential conflict of interest.
6.2 Table of Contents
The proposal should include a table of contents.
6.3 Executive Summary
The Executive Summary shall include a summary of the proposal, emphasizing the
approach to be taken and including a work plan, schedule, and description of the
capabilities of the Consultant and sub consultants. The summary should convey an
understanding of the purpose of the project and the services required for performance.
6.4 Project Team
Describe your team organization including the qualifications of the prime consultant
and any sub consultants. Provide an organizational chart of the proposed team
structure.
The following should be addressed:
* Demonstrate the firm's experience in each of the areas of expertise needed to
successfully complete the project. This should include a description of prior
experience in working with public agencies, including working with City staff.
* Ability for project team to perform the proposed work within the time limits of
the project, considering their current and projected workload and assignments.
* Ability to provide quality control of all deliverables and be responsive to all
issues in a timely manner.
* Provide project team resumes
6.5 Project Understanding
Describe your understanding of the needs of the Citywide Guardrail
Rehabilitation and Replacement Project.
6.6 Detailed Work Plan
Provide a proposed work plan for development and implementation of the program as
described in the Scope of Work. Describe the proposed approach and the activities to
be accomplished. Describe how the team will complete each task. Alternative
approaches to the project can be submitted if a rationale is given for the suggested
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Letter of Clarification No. 1 - June 4, 2026
changes. Information on software which will be used to prepare all working
documents, and final documents shall be provided to the City.
6.7 Examples of Experience with Similar Types of Work
Provide examples of projects similar in scope and size to this project.
6.8 Schedule
Prepare and submit a schedule describing the time required to complete each task in
the scope. The schedule shall include construction activities. Show phases, durations,
milestones, assignments, critical paths, and other relevant data. The Consultant is
encouraged to develop additional project schedule details and suggest changes within
the basic constraints of the program. The schedule shall be provided in Microsoft
Project schedule.
The schedule shall be updated monthly throughout the PS&E phase of the project.
The selected Consultant shall be expected to begin work after receiving a signed
contract from the City Manager and complete all tasks 90 days after herein or sooner.
6.9 Cost Proposal
Proposer shall submit a cost proposal as part of their overall proposal. Identify all key
members, including sub consultants, in a work chart, including their name, title, hours
per task, hourly rate, total hours, direct labor, overhead, and percentage of work by
task. Include total fee for all costs to complete all the tasks.
The cost proposal must be emailed to Nguyet Pham.
7.0 PROPOSAL EVALUATION
The Consultant Selection process will follow the timeline shown below.
Event Date
Post Request for Proposals May 19, 2026
Written Questions submitted by June 10, 2026
Response to Written Questions June 12, 2026
Proposals Due June 19, 2026, 3 p.m.
Negotiations July 6, 2026
Contract Approval September 29, 2026
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Letter of Clarification No. 1 - June 4, 2026
7.1 Proposal Evaluation
The selection committee will evaluate all proposals. This is a qualification and cost-
based selection, so ranking will be in accordance with the attached Evaluation Scoring
Worksheet (See Attachment D). Cost proposals will not be opened until after other
categories have been evaluated. Also, non-Stockton firms should make an effort to
use Stockton consultants whenever possible.
7.2 Negotiations
City staff will begin negotiations with the highest ranked firm. If an agreement cannot
be reached after a reasonable period of time, as determined by the City, Then the City
will terminate negotiations with the number one ranked firm, and negotiations will be
opened with the second ranked firm. The compensation discussed with one
prospective Consultant will not be disclosed or discussed with another Consultant.
The selected consultant will be expected to enter into a Professional Services Contract
with the City. Proposers should direct their attention to Attachment C, Instructions to
Proposers for the most current insurance and indemnification language. It is expected
that the successful proposer will accept these terms without modification.
The contract shall not be in force until the Council approves the contract and the City
Manager signs it. Work performed before the issuance of a Notice to Proceed cannot
be paid by the City.
ATTACHMENTS:
Attachment A - Vicinity Map
Attachment B - Acknowledgement of Monument Preservation
Attachment C - Instructions to Proposers
Attachment D - Evaluation Scoring Sheet (Federal)
Attachment E - State Aid Consultant Contract Provisions
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