Santa Clarita City Council
August 25, 2026

ACKNOWLEDGEMENT & ACCEPTANCE OF SCOPE OF WORK
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California
By providing the three (3) required signatures below, the Contractor acknowledges full understanding, complete agreement to, and accepts in its entirety, all Scope of Work for the 2025-26 Bridge Preventative Maintenance Program (Design Only). The Contractor will be expected to perform maintenance practices and uphold the standards herein to the established Scope of Work throughout the length of the contract. *Supervisor’s Signature:___________________________________________Date:__________ *Estimator’s Signature:____________________________________________Date:__________ *Owner’s Signature:______________________________________________Date:__________ *All three signatures required
July 17, 2026
July 17, 2026
July 17, 2026

BUY AMERICA CERTIFICATION
(STEEL OR MANUFACTURED PRODUCTS)
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California
General Requirement (as stated in 49 CFR 661.5)
a. Except as provided in 49 CFR 661.7 and 49 CFR 661.11, no funds may be obligated by FTA for a grantee project unless all iron, steel, and manufactured products used in the project are produced in the United States.
b. All steel and iron manufacturing processes must take place in the United States, except metallurgical processes involving refinement of steel additives.
c. The steel and iron requirements apply to all construction materials made primarily of steel or iron and used in infrastructure projects such as, transit or maintenance facilities, rail lines, and bridges. These items include, but are not limited to, structural steel or iron, steel or iron beams and columns, running rail and contact rail. These requirements do not apply to steel or iron used as components or subcomponents of other manufactured products or rolling stock, or to bimetallic power rail incorporating steel or iron components.
d. For a manufactured product to be considered produced in the United States:

1. All of the manufacturing processes for the product must take place in the United States; and

2. All of the components of the product must be of U.S. origin. A component is considered of U.S. origin if it is manufactured in the United States, regardless of the origin of its subcomponents.

If steel, iron, or manufactured products (as defined in 49 CFR 661.3 and 661.5) are being procured, the appropriate certificate as set forth below shall be completed and submitted by each bidder or offeror in accordance with the requirement contained in 49 CFR 661.13(b).

Certificate of Compliance with Buy America Requirements The bidder or offeror hereby certifies that it will comply with the requirements of 49 U.S.C. 5323(j)(1), and the applicable regulations in 49 CFR part 661.

Company:___________________________________________________________________________ Name: Title:______________________________________
Signature: Date:______________________________________ Certificate of Non­Compliance with Buy America Steel or Manufactured Products Requirements The bidder or offeror hereby certifies that it cannot comply with the requirements of 49 U.S.C. 5323(j), but it may qualify for an exception to the requirement pursuant to 49 U.S.C. 5323(j)(2), as amended, and the applicable regulations in 49 C.F.R. 661.7.

Tetra Tech, Inc.

Jason Fussel, PE, PLS Vice President
July 17, 2026

Company:___________________________________________________________________________ Name: Title:______________________________________ Signature: Date:______________________________________

CITY OF SANTA CLARITA DISCLOSURE STATEMENT
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California
The following information must be disclosed:

1. List the names of all persons having a financial interest in the Request for Proposals.

2. If any person identified pursuant to No. 1 above is a corporation or partnership, list the names of all individuals owning more than ten percent of the shares in the corporation or owning any partnership interest in the partnership.

3. If any person identified pursuant to No. 1 above is a non-profit organization or a trust, list the names of any persons serving as a director of the non-profit organization or as a trustee or beneficiary or trustor of the trust.

4. Has the offeror had more than $250.00 worth of business transacted with any member of the City of Santa Clarita staff, boards, commissions, committees, and Council within the past twelve months? If yes, please indicate the person(s) with whom you have conducted business.

NOTE: Attach additional pages as necessary.
_________________________________
Signature of Offeror
_________________________________
Print or Type Name of Offeror
_________________________________
Date
Tetra Tech, Inc.

Tetra Tech is a publicly traded Corporation, incorporated in Delaware. No individual or firm owns an interest of 10% or greater in our corporation's stock. As such, there are no principal owners of the company.

N/A
No
Jason Fussel, PE, PLS
July 17, 2026

DESIGNATION OF SUBCONTRACTORS/SUBCONSULTANTS
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California
The City of Santa Clarita has adopted a Disadvantaged Business Enterprise (DBE) Program to support federally funded procureme nts. The City strongly encourages the participation of small and Disadvantaged Business Enterprises in its federally funded projects and this site is intended to provide assistance to such businesses. Listed below are the names and locations of the places of business of each subcontrac tor, supplier, and vendor who will perform work or labor or render service in excess of ½ of 1 percent, or $10,000 (whichever is greater) of the prime contractor's total bid: DBE status, age of firm and annual gross receipts are required if sub -contractor is participating as a DBE. If no Subcontractors will be used fill out the form with NA. Please add additional sheets if needed.

Subcontractor DIR Registration No. Dollar Value of Work Age of firm: DBE: Yes No
Certifying Agency:

Annual Gross Receipts:

Location and Place of Business
Bid Schedule Item No’s: Description of Work
License No. Exp. Date: / / Phone ( )
Subcontractor DIR Registration No. Dollar Value of Work Age of firm: DBE: Yes No
Certifying Agency:

Annual Gross Receipts:

Location and Place of Business
Bid Schedule Item No’s: Description of Work
License No. Exp. Date: / / Phone ( )
Subcontractor DIR Registration No. Dollar Value of Work Age of firm: DBE: Yes No
Certifying Agency:

Annual Gross Receipts:

Location and Place of Business
Bid Schedule Item No’s: Description of Work
License No. Exp. Date: / / Phone ( )
NOTE: A contractor or subcontractor shall not be qualified to propose on, be listed in a proposal, subject to the requirements of Section 4104 of the Public Contract Code, or engage in the performance of any contract for public work, as defined in this chapter, unless cu rrently registered and qualified to perform public wor k pursuant to Section 1725.5 of the Labor Code. It is not a violation of this section for an unregistered contractor to submit a proposal that is authorized by Section 7029.1 of the Business and Professions Code or by Section 10164 or 20103.5 of the Public Contract Code, provided the contractor is registered to perform public work pursuant to Section 1725.5 of the Labor Code at the time the contract is awarded.

DSC Engineering
25231 Paseo de Alicia, Suite 260, Laguna Hills, CA 92653 LAPM & Caltrans Coordinator, Structural Engineering
$3,200
9 Years $500,000
N/A (949) 305-9070
1000055507

EQUAL OPPORTUNITY/AFFIRMATIVE ACTION STATEMENT
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California
The offeror hereafter described will not discriminate against any employee or applicant for employment because of race/color, national origin, sex, sexual preference, religion, age, or handicapped status in employment or the provisions of services.
________________________________________
Signature
_________________________________________
Typed Name and Title
Jason Fussel, Vice President

GOVERNMENT-WIDE DEBARMENT AND SUSPENSION (NONPROCURMENT)

PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California

Instructions for Certification: By signing and submitting this bid or proposal, the prospective lower tier participant is providing the signed certification set out below.

(1) It will comply and facilitate compliance with U.S. DOT regulations, “Nonprocurement Suspension and Debarment,” 2 CFR part 1200, which adopts and supplements the U.S. Office of Management and Budget (U.S. OMB) “Guidelines to Agencies on Governmentwide Debarment and Suspension (Nonprocurement),” 2 CFR part 180,

(2) To the best of its knowledge and belief, that its Principals and Subrecipients at the first tier:

a. Are eligible to participate in covered transactions of any Federal department or agency and are not presently:
(1) Debarred,
(2) Suspended,
(3) Proposed for debarment,
(4) Declared ineligible,
(5) Voluntarily excluded, or
(6) Disqualified,

b. Its management has not within a three-year period preceding its latest application or proposal been convicted of or had a civil judgment rendered against any of them for:
(1) Commission of fraud or a criminal offense in connection with obtaining, attempting to obtain, or performing a public (Federal, State, or local) transaction, or contract under a public transaction,

(2) Violation of any Federal or State antitrust statute, or (3) Commission of embezzlement, theft, forgery, bribery, falsification or destruction of records, making any false statement, or receiving stolen property,

c. It is not presently indicted for, or otherwise criminally or civilly charged by a governmental entity (Federal, State, or local) with commission of any of the offenses listed in the preceding subsection

2.b of this Certification,

d. It has not had one or more public transactions (Federal, State, or local) terminated for cause or default within a three-year period preceding this Certification, e. If, at a later time, it receives any information that contradicts the statements of subsections 2.a –

2.d above, it will promptly provide that information to FTA, f. It will treat each lower tier contract or lower tier subcontract under its Project as a covered lower tier contract for purposes of 2 CFR part 1200 and 2 CFR part 180 if it:
(1) Equals or exceeds $25,000,
(2) Is for audit services, or
(3) Requires the consent of a Federal official, and
g. It will require that each covered lower tier contractor and subcontractor:
(1) Comply and facilitate compliance with the Federal requirements of 2 CFR parts 180 and 1200, and
(2) Assure that each lower tier participant in its Project is not presently declared by any Federal department or agency to be:
a. Debarred from participation in its federally funded Project, b. Suspended from participation in its federally funded Project, c. Proposed for debarment from participation in its federally funded Project, d. Declared ineligible to participate in its federally funded Project, e. Voluntarily excluded from participation in its federally funded Project, or f. Disqualified from participation in its federally funded Project, and (3) It will provide a written explanation as indicated on a page attached in FTA’s TEAM-Web or the Signature Page if it or any of its principals, including any of its first tier Subrecipients or its Third Party Participants at a lower tier, is unable to certify compliance with the preceding statements in this Certification Group.
_____________________________________________________________________________________ Certification
Contractor ________________________________________________________________ Signature of Authorized Official ______________________________ Date ___/___/___ Name and Title of Contractor's Authorized Official ______________________________ Tetra Tech, Inc.

Jason Fussel, Vice President
07 17 2026

NON-COLLUSION AFFIDAVIT
(Title 23 United States Code Section 112 and Public Contract Code Section 7106)

PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California

To the CITY OF SANTA CLARITA:

In conformance with Title 23 United States Code Section 112 and Public Contract Code 7106, the Bidder declares that the bid is not made in the interest of, or on behalf of, any undisclosed person, partnership, company, association, organiza tion, or corporation; that the bid is genuine and not collusive or sham; that the Bidder has not directly or indirectly induced or solicited any other bidder to put in a false or sham bid, and has not directly or indirectly colluded, conspired, connived, or agreed with any bidder or anyone else to put in a sham bid, or that anyone shall refrain from bidding; that the Bidder has not in any manner, directly or indirectly, sought by agreement, communication, or conference with anyone to fix the bid price of the Bidder or any other bidder, or to fix any overhead, profit, or cost element of the bid price, or of that of any other bidder, or to secure any advantage against the public body awarding the contract of anyone interested in the proposed contract; that all statements contained in the bid are true; and, further, that the Bidder has not, directly or indirectly, submitted his or her bid price or any breakdown thereof, or the contents thereof, or divulged information or data relative thereto, or paid, and will not pay, any fee to any corporation, partnership, company association, organization, bid depository, or to any member or agent thereof to effectuate a collusive or sham bid.

THE BIDDER'S EXECUTION ON THE SIGNATURE PORTION OF THE “BIDDER’S CERTIFICATION” SHALL

ALSO CONSTITUTE AN ENDORSEMENT AND EXECUTION OF THOSE CERTIFICATIONS WHICH FORM A PART OF THE PROPOSAL. BIDDERS ARE CAUTIONED THAT MAKING A FALSE CERTIFICATION MAY SUBJECT THE CERTIFIER TO CRIMINAL PROSECUTION.

NON-COLLUSION AFFIDAVIT
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California

TO BE EXECUTED BY EACH BIDDER OF A PRINCIPAL CONTRACT

STATE OF CALIFORNIA )
) §

COUNTY OF LOS ANGELES )
__________________________________________ being first duly sworn deposes and says that he/she is the _______________________________________ (sole owner, a partner, president, etc.) of __________________________________________________ the party making the foregoing bid; that such bid is not made in the interest of or behalf of any undisclosed person, partnership, company, association, organization or corporation, that such bid is genuine and not collusive or sham, that said BIDDER has not directly or indirectly induced or solicited any other BIDDER to put in a false or sham bid, or that anyone shall refrain from bidding, that said BIDDER has not in any manner, directly or indirectly sought by agreements, communication or conference with anyone to fix the bid price of said BIDDER or of any other BIDDER, or to fix the overhead, profit, or cost element of such bid price, or of that of any other BIDDER, or to secure any advantage against the public body awarding the Contract or anyone interested in the proposed Contract; that all statements contained in such bid are true, and further, that said BIDDER has not, directly or indirectly, submitted its bid price, or any breakdown thereof, or the contents thereof, or divulged information or date relative thereto, or paid and will not pay any fee in connection, therewith to any corporation, partnership, company, association, organization, bid depository, or to any member or CITY thereof, or to any other individual information or date relative thereto, or paid and will not pay any fee in connection, therewith to any corporation, partnership, company association, organization, bid depository, or to any member or CITY thereof, or to any other individual, except to such person or persons as have a partnership or other financial interest with said BIDDER in his general business.

Bidder: _________________________________________________ Signature
Title _________________________________________________ Jason Fussel, Vice President Jason Fussel
Vice President
Tetra Tech, Inc.

NOTICE TO PROPOSERS REGARDING CONTRACTUAL REQUIREMENTS
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California

1. SUMMARY OF CONTRACTUAL REQUIRMENTS
a. A contract is required for any service performed on behalf of the City of Santa Clarita (City).

b. By submitting a proposal, you have reviewed the sample contract documents contained within this request for proposals and agree to be bound by the requirements set forth.

c. Questions and requests for modification of these terms must be negotiated and approved prior to proposal submission and are at the full discretion of the City.

2. SUMMARY OF INDEMNITY AND INSURANCE REQUIREMENTS
a. These are the Indemnity and Insurance Requirements for Contractors providing services or supplies to City of Santa Clarita (City). By agreeing to perform the work or submitting a proposal, you verify that you comply with a nd agree to be bound by these requirements. If any additional Contract documents are executed, the actual Indemnity language and Insurance Requirements may include additional provisions as deemed appropriate by City’s Purchasing Agent.

b. You should check wi th your Insurance advisors to verify compliance and determine if additional coverage or limits may be needed to adequately insure your obligations under this agreement. These are the minimum required and do not in any way represent or imply that such cover age is sufficient to adequately cover the Contractor’s liability under this agreement. The full coverage and limits afforded under Contractor’s policies of Insurance shall be available to Buyer and these Insurance Requirements shall not in any way act to reduce coverage that is broader or includes higher limits than those required.

The Insurance obligations under this agreement shall be: 1—all the Insurance coverage and limits carried by or available to the Contractor; or 2 —the minimum Insurance requirements shown in this agreement, whichever is greater. Any insurance proceeds in excess of the specified minimum limits and coverage required, which are applicable to a given loss, shall be available to City.

c. Contractor shall furnish the City with original Certificates of Insurance including all required amendatory endorsements and a copy of the Declarations and Endorsement Page of the CGL policy listing all policy endorsements to City before work begins. City reserves the right to require full -certified copies of all Insurance coverage and endorsements.

3. INDEMNIFICATION
a. To the fullest extent permitted by law, CONSULTANT shall defend (with legal counsel reasonably acceptable to CITY), indemnify and hold harmless CITY and its officers, agents, departments, officia ls, representatives and employees (collectively “Indemnitees”) from and against any and all claims, loss, cost, damage, injury (including, without limitation, economic harm, injury to or death of an employee of CONSULTANT or its subconsultants), expense and liability of every kind, nature and description that arise

from or relate to (including, without limitation, incidental and consequential damages, court costs, attorneys’ fees, litigation expenses and fees of expert consultants or expert witnesses incurr ed in connection therewith and costs of investigation) that arise from or relate to, directly or indirectly, in whole or in part, from: (1) CONSULTANT’s performance of Services under this Agreement, or any part thereof; (2) any negligent act or omission o f CONSULTANT, any subconsultant, anyone directly or indirectly employed by them, or anyone that they control; (3) any actual or alleged infringement of the patent rights, copyright, trade secret, trade name, trademark, service mark or any other intellectual or proprietary right of any person or persons in consequence of the use by CITY, or any other Indemnitee, of articles or Services to be supplied in the performance of this Agreement; or (4) any breach of this Agreement (collectively “Liabilities”). Such obligations to defend, hold harmless and indemnify any Indemnitee shall not apply to the extent such Liabilities are caused by the sole negligence or willful misconduct of such Indemnitee, but shall apply to all other Liabilities. The foregoing shall be subject to the limitations of California Civil Code section 2782.8 as to any design professional services performed by CONSULTANT and in particular the limitation on CONSULTANT’s duty to defend whereby such duty only arises for claims relating to the negligence, recklessness or willful misconduct of CONSULTANT as well as the limitation on the cost to defend whereby CONSULTANT will only bear such cost in proportion to CONSULTANT’s proportionate percentage of fault (except as otherwise provided in section 2782.8).

b. The foregoing indemnification provisions will not reduce or affect other rights or obligations which would otherwise exist in favor of the CITY and other Indemnitees.

c. CONSULTANT shall place in its subconsulting agreements and cause its subconsulta nts to agree to indemnities and insurance obligations in favor of CITY and other Indemnitees in the exact form and substance of those contained in this Agreement.

4. INSURANCE
a. Before commencing performance under this Agreement, and at all other times this Ag reement is effective, CONSULTANT will procure and maintain the following types of insurance with coverage limits complying, at a minimum, with the limits set forth below:

Type of Insurance Limits
Commercial general liability: $1,000,000
Professional liability $1,000,000
Business automobile liability $1,000,000
Workers compensation Statutory requirement

b. Commercial general liability insurance will meet or exceed the requirements of ISO -CGL Form No. CG 00 01 11 85 or 88. The amount of insurance set forth above will be a combined single limit per occurrence for bodily injury, personal injury, and property damage for the policy coverage. Automobile coverage will be written on ISO Business Auto Coverage Form CA 00 01 06 92, including sy mbol 1 (Any Auto). Liability policies will be endorsed to name CITY, its officials, and employees as “additional insureds” under said insurance coverage and to state that such insurance will be deemed “primary” such that any other insurance that may be carried by CITY will be excess thereto. Such endorsement must be reflected on ISO Form No. CG 20 10 11 85 or 88, or equivalent. Such insurance will be on an “occurrence,” not a “claims made,” basis and will not be cancelable or subject to reduction except upon thirty (30) days prior written notice to CITY.
c. Professional liability coverage will be on an “occurrence basis” if such coverage is available, or on a “claims made” basis if not available. When coverage is provided on a “claims made basis,” CONSULTANT will continue to renew the insurance for a period of at least three (3) years after this Agreement expires or is terminated. Such insurance will have the same coverage and limits as the policy that was in effect during the term of this Agreement, and will cover CONSULTANT for all claims made by CITY arising out of any errors or omissions of CONSULTANT, or its officers, employees or agents during the time this Agreement was in effect.
d. CONSULTANT will furnish to CITY duly authenticated Certificates of Insurance evidencing maintenance of the insurance required under this Agreement, including endorsements, and such other evidence of insurance or copies of policies as may be reasonably required by CITY from time to time. Insurance must be placed with California-admitted insurers with (other than workers compensation) a current A.M. Best Company Rating of at least “A:VII.”
e. Waiver of Subrogation: The insurer(s) agree to waive all rights of subrogation against CITY, its elected or appointed officers, officials, agents, volunteers and employees for losses paid under the terms of the workers compensation policy which arise from work performed by CONSULTANT for CITY. f. Should CONSULTANT, for any reason, fail to obtain and maintain the insurance required by this Agreement, CITY may obtain such coverage at CONSULTANT’s expense and deduct the cost of such insurance from payments due to CONSULTANT under this Agreement or terminate pursuant to TERMINATION section. In the alternative, should CONSULTANT fail to meet any o f the insurance requirements under this Agreement, City may terminate this Agreement immediately with no penalty. g. Should CONSULTANT’S insurance required by this Agreement be cancelled at any point prior to expiration of the policy, CONSULTANT must notify City within 24 hours of receipt of notice of cancellation.

Furthermore, CONSULTANT must obtain replacement coverage that meets all contractual requirements within 10 days of the prior insurer’s issuance of notice of cancellation. CONSULTANT must ensure t hat there is no lapse in coverage.
h. The CITY shall be entitled to any coverage in excess of the minimums required herein.

I have read and understand the above requirements and agree to be bound by them for any work performed for the City.

Authorized Signature: ______________________________ Date: ___________________ Printed Name: ____________________________________
July 17, 2026
Jason Fussel, PE, PLS

REFERENCES
PROPOSAL # CIP-25-26-M0162
2025-26 Bridge Preventative Maintenance Program (Design Only) City Project No. M0162
City of Santa Clarita, California
The following are the names, addresses, and telephone numbers of three public agencies for which proposer has performed work of a similar scope and size within the past 3 years. If the instructions on this form conflict with the references requested in the scope of work, the scope of work shall govern. Complete this form out accordingly. Fill out this form completely and upload it with your proposal.

1. __________________________________________________________________________________ Name and Address of Owner / Agency
Name and Telephone Number of Person Familiar with Project __________________________________________________________________________________ Contract Amount Type of Work Date Completed

2. __________________________________________________________________________________ Name and Address of Owner / Agency
__________________________________________________________________________________ Name and Telephone Number of Person Familiar with Project __________________________________________________________________________________ Contract Amount Type of Work Date Completed

3. __________________________________________________________________________________ Name and Address of Owner / Agency
__________________________________________________________________________________ Name and Telephone Number of Person Familiar with Project __________________________________________________________________________________ Contract Amount Type of Work Date Completed
City of Huntington Beach Public Works 2000 Main Street, Huntington Beach, CA 92648 Eduardo Cerda (714)_________________ ___ _________________________________________ ___________________ 374-1750 $32,974 Huntington Beach Golden West Bridge Rehabilitation 2022 - 2025 County of San Luis Obispo Public Works 1087 Santa Rosa Street, San Luis Obispo, CA 93408 Dan Van Beveren (805) 781-4240
$716,681 Templeton to Atascadero Connector Trail Engineering Design 2014 - Ongoing City of Santa Clarita 29320 Valencia Boulevard, Suite 300, Santa Clarita, CA 91355 Jackie Lillio (661) 286-4131
$167,332 Sand Canyon Trail Pedestrian Bridges 2016 – 2025

PROPOSAL FOR
2025-26 Bridge Preventative
Maintenance Program
PROPOSAL # CIP-25-26-M0162
JULY 2026

CITY OF SANTA CLARITA
Public Works Department
TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162

1. INTRODUCTION
For nearly two decades, Tetra Tech has been a trusted
bridge design partner to the City of Santa Clarita,
providing bridge planning, inspection, rehabilitation,
replacement design, and construction support services.

During this time, we have successfully delivered
numerous annual Bridge Preventative Maintenance
Programs (BPMP), Paseo Bridge Maintenance
Programs, pedestrian bridge replacements, bridge
inspections, and rehabilitation projects.

This longstanding partnership has provided our team
with an in-depth understanding of the City’ s bridge
inventory, maintenance objectives, design standards,
project delivery processes, and commitment to
preserving critical transportation infrastructure.

Our proposed team has the right qualifications and
experience necessary to ensure successful, on time
completion of the City’ s 2025-26 Bridge Preventative
Maintenance Program with no learning curve.

Project Understanding
The City of Santa Clarita’ s 2025-26 Bridge Preventative Maintenance Program (BPMP) continues the City’ s
long-standing commitment to preserving the structural
integrity, safety, and service life of its bridge inventory through proactive maintenance and rehabilitation.

Based on the Bridge Inspection Reports provided in
Exhibit A of the RFP , the selected structures have been identified for preventive maintenance improvements
intended to address existing deficiencies before they
develop into more significant structural issues. The
City’ s objective is to implement cost-effective repairs that maximize the useful life of each bridge while
minimizing future maintenance costs and disruptions to
the traveling public. The Bridge Inspection Reports serve as the technical basis for identifying eligible repairs in accordance with the Caltrans BPMP Guidelines, ensuring
that recommended improvements remain consistent
with federal funding requirements and current bridge
preservation practices.

Tetra Tech understands that this assignment extends
beyond preparing construction documents. The
selected consultant is expected to evaluate the
inspection findings, verify existing field conditions,
develop practical repair details, prepare complete Plans, Specifications, and Estimates (PS&E), coordinate with
City staff and Caltrans as required, provide engineering cost estimates, and support the City through bidding
and construction. Successful delivery requires balancing structural preservation, constructability, schedule,
and cost while ensuring the completed repairs can be
efficiently maintained over the long term.

Our team has extensive familiarity with many of the
bridges included in Santa Clarita’ s Bridge Preventative Maintenance Programs. We understand the City’ s bridge
inventory, historical repair strategies, design standards, maintenance objectives, and review procedures. This
institutional knowledge allows us to quickly evaluate
previous repairs, identify recurring maintenance needs, and prepare practical rehabilitation solutions that build upon the City’ s successful preservation program rather than approaching each bridge as an isolated project.

Overall Approach
Our approach begins with a detailed review of each
Bridge Inspection Report and supporting records to
understand the condition ratings, recommended repairs,
and funding eligibility associated with each structure.

We will then conduct field verification with City staff to confirm existing conditions, identify any changes since the inspections were completed, verify dimensions and
quantities, and evaluate constructability considerations that may influence the repair design.

Using the verified field information, we will develop
bridge-specific repair concepts that address the
identified deficiencies while maximizing service
life and minimizing maintenance requirements.

Typical improvements may include expansion joint
replacement, bridge deck preservation treatments,
concrete repair, structural crack repair where eligible, bearing rehabilitation, localized steel repairs, and other preventive maintenance measures identified in the
inspection reports and consistent with Caltrans BPMP
eligibility requirements.

Throughout design, our team will coordinate closely
with City staff to review repair recommendations,
confirm priorities, and incorporate City preferences
before advancing the PS&E documents. We emphasize
practical, constructible details that reduce construction risk, maintain traffic whenever feasible, and simplify long- term maintenance.
- 2 -
TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162

2. FIRM QUALIFICATIONS AND RELEVANT EXPERIENCE
f
Tetra Tech has worked with the City of Santa Clarita on the BPMP since 2007 , when we assisted with development of the program. Since then, we have successfully completed the following BPMP type programs:
f FY 11-12 Bridge Preventative Maintenance Program
f FY 12-13 Bridge Preventative Maintenance Program
f FY 14-15 Bridge Preventative Maintenance Program
f FY 15-16 Paseo Bridge Maintenance & Painting Program
f FY 17-18 Bridge Preventative Maintenance Program
f FY 19-20 Paseo Bridge Preventative Maintenance and Painting Design f FY 21-22 Paseo Bridge Maintenance and Painting Program f FY 22-23 Paseo Bridge Maintenance and Painting Program f FY 24-25 Bridge Preventative Maintenance Program

TETRA TECH BRINGS NEARL Y TWO DECADES OF EXPERIENCE
WORKING ON THE CITY OF SANTA CLARITA’S BPMP PROJECTS
Tetra Tech brings more than five decades of bridge
engineering experience and has successfully delivered
bridge planning, rehabilitation, retrofit, replacement, and preventative maintenance projects for municipalities, transportation agencies, and public agencies throughout California. Our multidisciplinary bridge team provides
complete in-house services including structural
engineering, bridge inspection support, surveying,
environmental documentation, utility coordination,
geotechnical engineering, hydraulic engineering, PS&E
preparation, construction cost estimating, bidding
assistance, and construction support. This integrated
approach allows us to efficiently deliver complex bridge projects while maintaining quality, schedule, and budget objectives.

Bridge Engineering Experience
Bridge rehabilitation and preservation are among Tetra
Tech’ s core practice areas. Our experience includes
bridge preventative maintenance programs, bridge
widening, seismic retrofits, bridge replacement,
pedestrian bridges, structural repairs, deck
rehabilitation, expansion joint replacement, concrete
repairs, protective coating systems, and construction
support. Our engineers routinely evaluate bridge
inspection findings, develop cost-effective repair
strategies, prepare complete construction documents,
and support construction through RFIs, submittal
reviews, field observations, and record drawings. This
experience enables our team to develop practical
maintenance solutions that extend bridge service life
while minimizing future maintenance costs.

Federally Funded Project Experience
Tetra Tech has experience delivering federally funded
transportation and bridge projects administered
through the Federal Highway Administration
(FHWA) and Caltrans Local Assistance. Our team has
successfully completed projects funded through the
Highway Bridge Program (HBP), Bridge Preventative
Maintenance Program (BPMP), Active Transportation
Program (ATP), Highway Safety Improvement Program
(HSIP), and other federal transportation funding
programs. We understand the documentation, quality
assurance, milestone reviews, and agency coordination
required to maintain funding eligibility and successfully deliver federally funded transportation projects.
- 3 -
City of Santa Clarita
- 4 -
Familiarity with Caltrans Local
Assistance Procedures
Our engineers routinely develop projects in accordance
with the Caltrans Local Assistance Procedures Manual
(LAPM), Local Assistance Program Guidelines, Caltrans
Bridge Design standards, AASHTO LRFD Bridge Design
Specifications with California Amendments, and FHWA
requirements. Our experience includes preparation of
Project Study Reports, environmental documentation,
PS&E packages, engineer’ s estimates, utility
coordination, right-of-way support, and construction
phase services required under Caltrans-administered
federal aid projects. This familiarity enables us to
efficiently coordinate with Caltrans throughout design
development and support timely project delivery.

Experience Delivering Similar Projects
Tetra Tech offers particularly relevant experience
through our longstanding support of the City of Santa
Clarita’ s Bridge Preventative Maintenance Program.

Since helping establish the City’ s bridge preservation program in 2007 , our team has provided annual bridge
inspections, preventative maintenance planning, bridge
rehabilitation design, PS&E preparation, construction
support, and ongoing program implementation for
the City’ s bridge inventory. We have also designed
replacement pedestrian bridges, bridge rehabilitation
projects, and preventative maintenance improvements
throughout Santa Clarita, giving our team direct
familiarity with the City’ s bridge assets, maintenance practices, design standards, and project delivery
processes. This experience significantly reduces project startup time and allows us to immediately focus on
developing efficient, cost-effective bridge preservation solutions for the City’ s current BPMP .
f
Riverside Drive Near Zoo Drive
Bridge
Los Angeles, California
Tetra Tech provided environmental,
permitting, engineering, and design
services to rehabilitate and widen
the historic Riverside Zoo Bridge
and bring it up to current standards.

The team prepared all required
CEQA/NEPA documentation,
technical studies, and agency
coordination efforts, secured
key environmental permits, and
completed 100% PS&E for bridge,
bikeway, traffic, and lighting
improvements. Working closely
with the City, Caltrans, FHWA,
and other stakeholders, Tetra Tech
minimized impacts to the bridge’ s
historic character while successfully
advancing the federally funded
project through regulatory review
and approval.

Templeton to Atascadero
Connector Trial
Templeton, California
Tetra Tech provided engineering,
environmental, right-of-way, and
Local Assistance support for the
design of a one-mile Class I multi-
use path with clear-span bridges.

The team managed Caltrans Local
Assistance Program Manual (LAPM)
requirements and federal-aid project
delivery, completing environmental
documentation, permitting, surveys,
utility and railroad coordination,
right-of-way engineering, hydraulic
and geotechnical studies, and
preparation of PS&E.

Garfield Avenue Complete Street
South Gate, California
Tetra Tech provided engineering
design, Local Assistance
coordination, and construction
support services for a 2.5-mile
Complete Streets corridor that
improved pedestrian, bicycle,
and roadway safety throughout
the City of South Gate. The team
completed multimodal roadway
design, ADA curb ramp upgrades,
pedestrian signals, bicycle
facilities, median improvements,
roadway rehabilitation, and
PS&E while managing Caltrans
Local Assistance Program Manual
(LAPM) requirements for multiple
federal and state funding sources,
including the Active Transportation
Program (ATP) and Highway Safety
Improvement Program (HSIP).

LAPM Project Experience
City of Santa Clarita - 4 -
TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162

3. REFERENCES
The representative projects presented below
demonstrate Tetra Tech’ s successful delivery of bridge engineering and bridge preventative maintenance
services for municipal clients throughout California.

These projects reflect our experience providing services similar in scope and complexity to those required for the City of Santa Clarita’ s Bridge Preventative Maintenance Program, including bridge rehabilitation design,
federally funded project delivery, PS&E preparation,
and construction support. We encourage the City to
contact the listed references to learn firsthand about our technical expertise, responsiveness, and commitment
to delivering high-quality solutions that meet our clients’ schedule, budget, and performance objectives.

The goal of this project was the
identification of impactful, forward-
thinking, high-quality mobility
improvements that encourage
walking, biking, and transit, and
promote safe and efficient vehicular
operations in the area. Tetra Tech
was responsible for conducting
site visits, performing topographic
surveys, determining relevant design
standards and code requirements,
and preparing a technical
memorandum on the feasibility of
constructing new pedestrian bridges
in the heavily trafficked Resort Area.

Tetra Tech acted as a subcontractor
to Fehr & Peers to identify and
communicate potential design and
construction issues associated with
erecting pedestrian bridges at two
intersections serving high volumes
of pedestrian traffic to and from the
Disneyland Resort and surrounding
retail stores, hotels, restaurants, and
other attractions.

Tetra Tech was selected by the City of
Santa Clarita to provide engineering
design and construction support
services for the FY 2024–25 Bridge
Preventative Maintenance Program
(BPMP), continuing more than a
decade of support for the City’ s
bridge preservation program.

Services include field verification,
review of bridge inspection
reports, development of repair
recommendations, preparation
of Plans, Specifications, and
Estimates (PS&E), engineer’ s cost
estimates, bidding assistance,
and construction support. The
project includes preventative
maintenance improvements that
preserve structural integrity, extend
bridge service life, and maximize
the City’ s investment in its bridge
infrastructure.

SANTA CLARITA, CA
Santa Clarita Bridge Preventative
Maintenance Program

CLIENT CONTACT
City of Santa Clarita
JoDee Roth
Project Development
Coordinator
(661) 255-4972
[email protected]

CLIENT CONTACT
Fehr & Peers for City of
Anaheim
Matt Benjamin
Project Manager
(949) 308-6305
M.Benjamin@fehrandpeers.
com

ANAHEIM, CA
Anaheim Resort Area Mobility Plan
& Pedestrian Bridge Engineering
Feasibility Analysis
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City of Santa Clarita
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The project is a multi-use path,
roughly one mile in length. The
improvements include a Class I
pathway with clear span bridges
over Paso Robles Creek and the
Union Pacific Railroad (UPRR)
right-of-way. Engineering services
included completing and managing
the Caltrans Local Assistance
and Environmental Department
requirements and reports necessary
for implementing a Federal Highway
Administration and State Highway
Administration grant funded project.

Tetra Tech provided pathway design
and approach engineering, quantity
calculations, environmental studies,
and surveys for NEPA/CEQA,
preparation of permit applications,
right-of-way engineering and
acquisition, utility coordination,
UPRR coordination, hydraulic
analysis, geotechnical engineering,
topographic surveying, and cost
estimating. Preparation of the final
plans, specifications, and cost
estimates (PS&E) package, and bid
and construction assistance are
pending acquisition of additional
project funds by San Luis Obispo
County.

Tetra Tech prepared plans,
specifications, and estimates to
rehabilitate the Golden West
Street bridge (No. 55C0124). The
project involved joint seal assembly
replacement, methacrylate
application to bridge decks,
epoxy injection of concrete cracks,
and spalled concrete repair with
polyester polymer patching
systems. The repair plan for each
structure was field verified with City
representatives to confirm County
recommended repairs and identify
any additional repair items to be
included in the work plan. Tetra
Tech worked closely with City staff
to accelerate the design process
and meet the City’ s budgetary
needs. The City rehabilitated
several sets of bridges in the last
few years. Repairs were completed
successfully. Tetra Tech provided
construction support through
field meetings, clarification to the
contractor, and submittal review.

CLIENT CONTACT
City of Huntington Beach
Public Works
Eduardo Cerda, PE
Assistant Civil Engineer
(714) 374-1750
Eduardo.Cerda@surfcity-hb.
org

TEMPLETON, CA
Templeton to Atascadero
Connector Trail

SANTA CLARITA, CA
Sand Canyon Trail Pedestrian
Bridges

CLIENT CONTACT
County of San Luis Obispo
Dan Van Beveren, PE
Engineer III
(805) 781-4240
[email protected]
Tetra Tech provided planning,
surveying, environmental, and
engineering design services for
this 1.6-mile multi-use trail. Services
included survey and mapping,
conceptual trail alignment,
environmental studies, wetlands
delineation, biological assessments,
preliminary engineering, PS&E, and
conceptual bridge design.

As part of the project, Tetra Tech
provided detailed design and
construction support for two
prefabricated steel pedestrian
bridges, including crossing plans,
foundation details, performance
specifications for pre-fabricated
bridge elements, cost estimates and
specifications.

CLIENT CONTACT
City of Santa Clarita
Lisa Campos
Senior Project Manager
(661) 857-2066
[email protected]

HUNTINGTON BEACH, CA
Huntington Beach Golden West
Street Bridge Rehabilitation
TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
Scope of Services

4. PLAN OF STUDY/SCOPE OF WORK
The goals for this project are to provide guidance for the maintenance and preservation of the proposed bridges,
and more specifically, prioritize which bridges should
be addressed based on types of repairs required to
maximize the life expectancy of each structure.

Task 1.0 Project Management
At the start of the project, Tetra Tech will establish a Project Development Team (PDT) comprised of the City
Project Manager, City representatives, and the Tetra Tech team. Representatives from other entities may be added
as needed. Tetra Tech’ s Project Manager and the PDT
will communicate project decisions and commitments
throughout the life of the project. The PDT’ s aim is
clear and frequent communication across the group to
maintain the project schedule and drive a successful
project.

The project will be initiated with a PDT kick-off meeting to present and agree on the final details of a schedule and work plan. The PDT will discuss the project and receive all available project information.

After the initial kick-off, PDT meetings will occur monthly or as needed to successfully complete the project. It is anticipated that a total of ten (10) PDT meetings will be needed to review project status and to ensure that the
contract objectives and milestones are being achieved.

To supplement these meetings, Tetra Tech will maintain
ongoing communications with the City and agencies
identified in this scope. A detailed schedule, action item list, and decision log will be developed, maintained, and updated for control of the project and reported through ‘Monthly Project Status Reports’.

Output:
y Monthly Project Status Reports to the City
y One (1) Kick-Off Meeting (In-Person or via
teleconference)
y Ten (10) Monthly PDT Meetings (via teleconference)
y Meeting Agenda and Minutes
Task 2.0 Design Services
Subtask 2.1 Document Review
Tetra Tech will conduct a comprehensive review of all
available background information provided by the
City to support the project development process. The
review shall include, but not be limited to, the following materials:
y Bridge inspection reports
y As-built and record drawings
y Previous studies and technical reports
y Available mapping and GIS data
y Utility records and associated information
y Applicable City standards, specifications, and design criteria
y Relevant Caltrans policies, standards, and
requirements
Based on the findings of the document review, Tetra
Tech shall develop base plans for each bridge location.

The base plans will be prepared using available as-
built drawings, record drawings, mapping data, and
other pertinent information provided by the City
and/or obtained from publicly available and relevant
sources. These base plans will serve as the foundation
for subsequent engineering evaluations, analyses, and
design development activities.

Subtask 2.2 Field Investigation
In order to achieve the goals for this program, Tetra Tech will perform visual inspections of the bridges, including abutments, concrete decking, fencing supports, steel
framing and other pertinent structural related items
that may need repairs and/or remediation. Tetra Tech
will use the “Caltrans Bridge Element” inspection and
other federally required guidelines as part of the visual evaluations and field verify the BIR Report maintenance recommendations.

For the ten (10) bridges identified, Tetra Tech expects the inspections to take five (5) days to complete, with two (2) bridges completed per visit. Representative bridge
locations included are as follows:
y County/State Bridge No. 1938 / 53C0378 – Bouquet
Canyon Rd over Santa Clara River
y County/State Bridge No. 2219 / 53C1028 – Sand
Canyon Rd over Iron Canyon Creek
y County/State Bridge No. 3807 / 53C2170 – Copper
Hill Drive over San Francisquito Creek
y County/State Bridge No. 4274 / 53C2316 – Magic
Mountain Pkwy over Santa Clara River SF
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City of Santa Clarita
- 8 -
y County/State Bridge No. 3516 / 53C1836 – Newhall
Ranch Road over Bouquet Canyon Channel
y County/State Bridge No. 1578 / 53C1488R – Valencia
Blvd N over Santa Clara River
y County/State Bridge No. 1932 / 53C0840 – Orchard
Village Rd over Santa Clara River SF
y County/State Bridge No. 4273 / 53C2317 – Via
Princessa over Railroad Ave
y County/State Bridge No. 3617 / 53C1999 – Whites
Canyon Rd over Santa Clara River
y County/State Bridge No. 1134 / 53C1434 – Placerita
Canyon Rd over Sand Canyon Wash
Output:
y Field verify the recommended repairs per the BIR
Reports and previous study data. Tetra Tech will
document and prepare field inspection notes for each
bridge to verify existing conditions and maintenance
needs. Notes will include photos and identified repairs needed.

Subtask 2.3 Design Development, Plans and
Specification Preparation
Tetra Tech shall provide engineering design services
and prepare construction contract documents
for preventive maintenance improvements at the
designated bridge locations. Design documents shall
be developed and compiled into a comprehensive
Plans, Specifications, and Estimate (PS&E) package for
each project milestone. Tetra Tech shall submit design
review packages at the 65 percent, 95 percent, and
100 percent completion levels for City review and
comment.

The proposed preventive maintenance improvements
shall be based on deficiencies, observations, and
recommended work items identified in the applicable
Bridge Inspection Reports (BIRs), field verification
efforts performed by Tetra Tech, and current Bridge
Preventive Maintenance Program (BPMP) eligibility
criteria and requirements.

As part of the design development process, Tetra
Tech shall review and evaluate all deficiencies,
observations, and recommended repairs identified in
the applicable Bridge Inspection Reports (BIRs) and
assess the eligibility of each proposed improvement
for funding under the Bridge Preventive Maintenance
Program (BPMP). Tetra Tech shall identify, document,
and categorize all proposed improvements as either
BPMP-eligible (participating) or non-BPMP-eligible
(non-participating), and shall present these categories separately to support the City’ s funding, programming, and project delivery decisions.

Throughout project development, Tetra Tech shall
maintain a clear distinction between participating and
non-participating improvements. These improvements
shall be separately identified, quantified, and
documented within the plans, specifications,
engineer’ s estimates, quantity calculations, cost
estimates, and all other applicable supporting project
documents. Separate quantities and cost information
shall be maintained for each category to ensure
compliance with funding requirements and to facilitate
project budgeting, administration, and delivery.

Potential bridge preventive maintenance
improvements may include, but are not limited to, the
following:
y Bridge deck preventive maintenance and repair
treatments.
y Expansion joint repair, replacement, or improvement.
y Concrete repair and rehabilitation.
y Structural steel maintenance and preservation.
y Protective coating and corrosion protection
improvements.
y Limited approach transition improvements
directly associated with eligible bridge preventive
maintenance work.
y Incidental pavement marking modifications required
to accommodate eligible preventive maintenance
improvements.
y Traffic control and traffic handling measures
associated with construction activities.
y Incidental appurtenant improvements necessary to
implement the proposed preventive maintenance
work
The final scope and extent of improvements shall be
determined based on the results of document review,
field verification, engineering evaluation, City input, and applicable BPMP eligibility requirements.

In conjunction with the development of plans and
technical specifications, Tetra Tech will develop and
prepare a detailed construction cost estimate for each
design phase submittal. Cost estimates will identify
anticipated construction costs by individual bridge
location and major work categories. This will include
participating and non-participating improvements,
where applicable.

City of Santa Clarita
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Output:
y Prepare and submit a 65% Design Package for City
review and comment, which will include:
» Drawings & Draft Technical Specifications
» Preliminary Engineer’s Estimate
» Design Assumptions & Outstanding Issues Requiring
City Direction Checklist
y Prepare and submit a 95% Design Package for City
review and comment.
» Drawings & Draft Technical Specifications
» Preliminary Engineer’s Estimate
» Response Matrix addressing prior City Review
Comments
y Prepare and submit a 100% Final Design Package for
City review and comment.
» Final Signed and Stamped Drawings & Technical
Specifications
» Final Engineer’s Estimate
» Response Matrix addressing prior City Review
Comments
Subtask 2.4 Traffic Coordination
Tetra Tech shall coordinate with City traffic engineering and operations staff to identify allowable lane closure requirements, traffic handling constraints, and permitted work hours that may affect project design. Traffic
control requirements and applicable construction
staging considerations provided by the City shall be
incorporated into the design documents, as appropriate.

It is assumed that preparation of Traffic Control Plans (TCPs), including detailed temporary traffic control and construction staging plans, will be performed by the
City or Contractor and is not included within Tetra Tech’ s scope of services.

Subtask 2.5 Utility and Agency Coordination
Tetra Tech will coordinate with affected utility providers and external agencies as necessary to support project
delivery.

Responsibilities shall include, as applicable:
y Prepare utility record requests to utility purveyors
registered with DigAlert.
y Review the available utility and as-built records to
identify potential utility conflicts with the proposed improvements. Given the types of improvements
proposed by the project, utility conflicts are
anticipated to be limited. A total of three utility
conflicts requiring coordination have been assumed.

It is assumed the project will not require the existing utilities to be mapped and shown on the construction
drawings. If utility modifications or relocations are
required, it is assumed the plans will be prepared by
the utility purveyor.
y Preparation of technical exhibits or design information required for utility coordination of up to three utility conflicts Attend up to three virtual utility coordination meetings.
y Coordination support with Caltrans and other
reviewing agencies.
y Technical support related to right-of-way or permitting coordination, as applicable.

Subtask 2.6 Bid Support
Tetra Tech shall provide bid-phase support services,
including the review of bidder inquiries and preparation of written responses to technical questions related to
the plans, specifications, and contract documents. Tetra Tech shall assist the City in administering the bidding process by preparing draft addenda, as necessary, to
clarify, revise, or supplement the contract documents in response to bidder questions, identified discrepancies, or City direction. Bid support services shall be
coordinated with the City throughout the advertisement
period to facilitate an informed and competitive bidding process.

Task 3.0 Construction Phase Services
Tetra Tech shall provide construction support services
during the construction phase of the Project to assist the City with interpretation of the contract documents and
resolution of design-related issues. Services shall include responding to Requests for Information (RFIs), reviewing contractor submittals, and providing engineering
clarification as necessary to support successful project delivery.

Tetra Tech shall review and respond to contractor RFIs
related to the design intent and requirements of the
plans, specifications, and other contract documents.

Responses shall be provided in writing and coordinated
with the City, as appropriate. Services may include
the review of contractor inquiries, preparation of
design clarifications and interpretations, evaluation of proposed substitutions or alternatives, development
of supplemental sketches or exhibits to clarify design
intent, and coordination with City staff regarding matters City of Santa Clarita
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that may affect project scope, budget, schedule, or
constructability. Requests requiring significant redesign, revisions to the approved scope of work, or preparation of contract change orders beyond design clarification
services shall be considered additional services unless otherwise authorized by the City.

Tetra Tech shall review contractor submittals for general conformance with the design intent and requirements
of the contract documents. Submittals may include
material and product data, shop drawings, manufacturer
certifications, mix designs, coating systems, and other technical documentation required by the contract.

Review comments and recommendations shall be
provided to the City, and reviewed submittals shall
be returned within ten (10) business days, unless
otherwise agreed upon. Such reviews shall be limited
to determining general conformance with the contract
documents and shall not relieve the contractor of
responsibility for construction means and methods,
sequencing, safety, dimensions, quantities, or
compliance with contract requirements.

At the City’ s request, Tetra Tech shall also provide
limited engineering support during construction to
address field conditions and design-related issues that arise during project implementation. Services may
include participation in progress meetings, evaluation
of unforeseen site conditions, interpretation of contract documents, review of proposed design-related changes,
and preparation of supplemental details or sketches
necessary to facilitate construction. All construction
support services shall be coordinated through the City’ s Resident Engineer or construction management staff
and shall be limited to matters related to the design and intent of the Project.

Output:
y Review and respond to Twenty-Four (24) total shop
drawing/submittal reviews (assumes one (1) re-
submittal review maximum).
y Eight (8) total Request For Information (RFI)
y Review and Respond to design-related change
requests and CCO Review
y Two (2) In-Person Meetings On-Site
y Twelve (12) Construction Meetings (via Teleconference) y Signed and Stamped Final Record Drawings

ASSUMPTIONS
y Destructive and non-destructive testing are not a part of the scope of services.
y Disassembly of bridge components for inspection are
not a part of the scope of services.
y Determination of remaining service life of bridge
structures is not a part of scope of services.
y Determination of live load capacity of bridge structures not a part of the scope of services.
y Structural calculations and analysis are not anticipated and are not included as part of the scope of services.
y All visual inspections are to take place from the ground and will require no special equipment.

TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162

5. SCHEDULE
Overall Estimated Schedule
y Design completion and submittal to Caltrans: approximately 28 weeks after NTP . y Completion of Caltrans review and comment resolution: approximately 34–38 weeks after NTP . y Completion of Bid and Award Phase: approximately 38–46 weeks after NTP .

TASK DURATION APPROXIMATE TIMING
Project Initiation &
Authorization TBD (City Responsibility) Prior to NTP
Environmental Review TBD (City Responsibility) Prior to and/ or concurrent with project development
Client Kick-Off Meeting 1–2 weeks Weeks 1–2
Document Review 2–4 weeks Weeks 1–4 (overlaps with
Kick-Off)
Field Investigation 4–6 weeks Weeks 2–6 (overlaps with
Document Review)
Utility & Right-of-Way
Coordination 4–6 weeks Weeks 2–6 (overlaps with
Document Review)
Submit 65% Design Package 16 weeks after NTP Week 16
City Review of 65% Design 2 weeks Weeks 16–18
Submit 95% Design Package 6 weeks after receipt of comments Week 24 City Review of 95% Design 2 weeks Weeks 24–26
Submit 100% Final Design
Package to City & Caltrans 2 weeks after receipt of comments Week 28 Caltrans Review 1–2 months (4–8 weeks) Weeks 28–32/36
Review and Address Caltrans
Comments 2 weeks Weeks 32–34/36–38
Bid and Award Phase 1–2 months (4–8 weeks) Weeks 34–38 through 42–46 - 11 -
City of Santa Clarita
- 12 -
Total estimated project duration: approximately 9 to 11 months after NTP , excluding the City-performed Project Initiation & Authorization and Environmental Review
activities, which remain TBD.

Construction Support Availability for Tetra Tech project staff will be available during the construction phase to provide engineering support, respond to Requests for
Information (RFIs), review contractor submittals, and
address construction-related issues as needed. The level of effort and duration of support will be coordinated with the City based on the construction schedule and project requirements.

Subject to authorization, key project personnel will
remain available throughout the anticipated construction period, estimated at approximately 12 to 18 months
following award of construction, to provide construction support services as required.

The proposed Project Manager and supporting technical
staff are anticipated to be available during construction and will provide timely responses to contractor inquiries, submittal reviews, and field-related issues throughout the construction phase.

Based on the anticipated project timeline, design
completion and submittal to Caltrans is expected
approximately 28 weeks after Notice to Proceed (NTP).

Following Caltrans review and resolution of comments,
the project is anticipated to reach final approval
approximately 34 to 38 weeks after NTP . Completion
of the Bid and Award Phase is estimated to occur
approximately 38 to 46 weeks after NTP .

Excluding the City-led Project Initiation & Authorization and Environmental Review activities, which are currently to be determined (TBD), the overall project duration is estimated to be approximately 9 to 11 months from NTP
through bid award.

Upon completion of the design phase and award of
construction, Tetra Tech’ s project team will remain
available to provide construction support services
throughout the duration of the project. Services may
include responding to Requests for Information (RFIs),
reviewing contractor submittals and shop drawings,
addressing design-related field issues, and providing
technical consultation as needed during construction.

Subject to City authorization, key project personnel,
including the Project Manager and supporting technical
staff, will remain engaged during the anticipated
construction period, estimated at approximately 12 to
18 months following construction award. The level of
effort and staffing resources will be coordinated with the City and adjusted as necessary to support the contractor, facilitate timely issue resolution, and help ensure
successful project delivery.

TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162

6. PROGRAM MANAGEMENT
Tetra Tech understands that the City of Santa Clarita’ s Bridge Preventative Maintenance Program requires a
responsive consultant capable of delivering multiple
bridge rehabilitation designs while maintaining
strict compliance with Caltrans Local Assistance
Procedures, federal funding requirements, and the
City’ s project delivery schedule. Our management
approach is built on proactive communication,
disciplined quality management, and effective
project controls to ensure each bridge progresses
efficiently from field verification through final Plans, Specifications, and Estimates (PS&E), bidding, and
construction support.

Having provided bridge engineering services to the
City since 2007 , our team has developed a thorough
understanding of Santa Clarita’ s bridge inventory,
design standards, review procedures, and long-
term maintenance objectives. We have successfully
delivered multiple annual Bridge Preventative
Maintenance Programs, pedestrian bridge
replacement projects, and other bridge rehabilitation
assignments throughout the City. This experience
allows us to quickly evaluate bridge conditions,
coordinate effectively with City staff, and prepare
practical, cost-effective rehabilitation solutions that support the City’ s asset preservation goals.

Our project management approach is designed
to maintain clear control of scope, schedule,
budget, and quality throughout every phase of
the assignment. Each bridge will be managed
as an individual task within the overall program,
allowing progress to be tracked independently while
maintaining coordination across the entire design
package. Regular internal coordination meetings,
milestone reviews, and continuous communication
with the City’ s Project Manager ensure issues are
identified early and resolved before they affect
project delivery. Supported by our experienced
bridge engineering team and the depth of Tetra
Tech’ s Southern California transportation practice,
we have the resources to respond quickly to evolving
project needs while providing the continuity and

EXPERIENCED PROJECT

MANAGER
Critical to the success of
completing this program
is our proposed Project
Manager, Mr. Michael
Olsen, PE.

Mr. Olsen is a Structural
Project Manager with 17
years of structural engineering
experience, including 15 years with Tetra
Tech, and has supported the City of
Santa Clarita’ s Bridge Preventative
Maintenance Program since 2009.

He has led the preparation of PS&E
packages for bridge rehabilitation projects,
including field verification, repair design,
cost estimating, QA/QC, and construction
support.

Mike’ s experience also includes pedestrian
bridge replacement, structural evaluations,
seismic retrofit, and rehabilitation of
reinforced concrete, steel, masonry,
and timber structures. His longstanding
relationship with the City and familiarity
with its bridge inventory, standards, and
project delivery process will help ensure an
efficient and successful project.
responsiveness the City has come to expect over
nearly two decades of successful collaboration.

COMMUNICATION METHODS
Clear, consistent communication is fundamental to
successful project delivery. Mr. Olsen will serve as
the City’ s single point of contact and will maintain
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City of Santa Clarita
- 14 -
regular communication through scheduled progress
meetings, email updates, and telephone coordination
as needed. We will provide concise status updates
that summarize completed work, upcoming activities,
schedule status, and any decisions requiring City
input. Technical discussions and design review
meetings will be documented with meeting summaries
identifying action items, responsible parties, and target completion dates, ensuring all project participants
remain aligned throughout design.

QUALITY CONTROL PROCEDURES
Quality is integrated into every phase of our design
process. Each bridge repair package will undergo
formal quality assurance/quality control (QA/QC)
reviews independent of the design team prior to
each milestone submittal. Reviews will verify technical accuracy, consistency with Caltrans standards, City
requirements, constructability, quantity calculations,
specifications, and cost estimates. This structured
review process has been successfully implemented on
previous Bridge Preventative Maintenance Programs
for the City and helps minimize review comments,
reduce design revisions, and improve bid readiness.

ISSUE TRACKING
Potential issues are identified and addressed
proactively throughout the project. Design comments,
agency coordination items, utility conflicts, and
technical questions will be documented in an
action-item log that tracks responsibility, status, and resolution. This approach provides transparency,
promotes accountability, and ensures critical issues are resolved early, minimizing impacts to project schedule
and budget.

SCHEDULE MANAGEMENT
A detailed project schedule will be developed at
project initiation identifying key milestones, City review periods, Caltrans coordination activities, and final PS&E delivery dates. Progress will be monitored continuously against the schedule, with updates provided during
regular coordination meetings. Because each bridge
progresses through a common design process, we
can efficiently balance workloads across our team
while maintaining milestone commitments and
accommodating changes in project priorities as
needed.

UNDERSTANDING OF FEDERALL Y FUNDED

LABOR COMPLIANCE REQUIREMENTS
Tetra Tech has extensive experience delivering
federally funded transportation projects in accordance
with Caltrans Local Assistance Procedures Manual
(LAPM) requirements and FHWA regulations. Our
team understands the documentation, coordination,
and design responsibilities necessary to support
federally funded construction, including preparation
of complete and accurate PS&E packages, Buy
America provisions, prevailing wage requirements,
Disadvantaged Business Enterprise (DBE) participation,
and coordination with City staff and Caltrans
throughout project delivery. Our familiarity with these requirements helps minimize administrative risk and
supports timely authorization for construction while
maintaining full compliance with applicable federal and state regulations.

TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162

7. PERSONNEL
Tetra Tech has assembled an experienced project
team led by Michael Olsen, PE, who has managed and
delivered numerous bridge rehabilitation, replacement,
and preventive maintenance projects for the City of Santa Clarita. Supported by experienced structural engineers
and quality control personnel, our team combines
technical expertise with local experience to provide
responsive service, clear communication, and exceptional project management throughout every phase of the
assignment. Our commitment to quality, collaboration,
and timely delivery has been the foundation of our
successful partnership with the City for more than 20
years. The team chart below presents our key personnel.

Brief resumes for each team member are included in the
Appendix.

Management Team
Project Manager, Mike Olsen, PE
Mr. Olsen is a Structural Project Manager with 17 years of structural engineering experience, including 15 years with Tetra Tech, specializing in the design, evaluation, rehabilitation, and construction support of transportation and public infrastructure projects. He has supported the City of Santa Clarita’ s Bridge Preventative Maintenance Program since 2009, providing bridge rehabilitation
design, structural evaluations, PS&E preparation, cost
estimating, and construction support. His experience also includes pedestrian bridges, seismic retrofit, reinforced concrete, steel, masonry, and timber structures, as well as water, wastewater, and stormwater facilities. His technical expertise and familiarity with the City’ s bridge inventory and design standards will support efficient project
delivery.

Quality Assurance/Quality Control (QA/QC)
Manager, Scott Buchholz, PE
Mr. Buchholz is a Senior Project Manager and Bridge
Engineer with 39 years of structural engineering
experience specializing in bridge design, rehabilitation, load rating, inspection, and quality assurance. He has
served as Project Manager, Lead Bridge Engineer, and
QA/QC Reviewer for numerous bridge replacement,
rehabilitation, and preventative maintenance projects,
performing independent technical reviews to verify
compliance with current design standards and quality
requirements. His experience includes reinforced
f

PROJECT MANAGER
Mike Olsen, PE

QA/QC MANAGER
Scott Buchholz, PE

ORGANIZATIONAL
CHART

PROJECT ENGINEERS DESIGN ENGINEERS
Eric Yuen, PE, SE
Brett Boehmke, PE, SE
Justin Smith, PE, QSD
Jose Quiroz, PE
Geoff Heinen, PE
Robert Agnew, EIT
Alvaro Estrada Caceres, EIT
Thomas Bekele

LAPM & CALTRANS

COORDINATION
DSC Engineering
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City of Santa Clarita
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concrete, prestressed concrete, steel, timber, and
complex bridge structures, as well as bridge inspections, constructability reviews, cost estimating, and construction support.

Design Team
Project Engineer, Eric Yuen, PE, SE
Mr. Yuen has 19 years of experience in the analysis,
design, and rehabilitation of public infrastructure
throughout California. As a licensed Structural Engineer, he has extensive experience preparing structural
calculations, plans, specifications, cost estimates,
and construction documents for reinforced concrete,
structural steel, and masonry structures. His experience includes structural condition assessments, seismic
evaluations, rehabilitation design, QA/QC reviews, and
construction support for municipal infrastructure projects.

Project Engineer, Brett Boehmke, PE, SE
Mr. Boehmke is a Structural Engineer with eight years
of experience providing structural analysis, design, and construction support for transportation and municipal
infrastructure projects. His experience includes bridge rehabilitation, pedestrian bridge feasibility studies,
structural evaluations, retaining walls, and reinforced concrete and steel structures. He has prepared structural calculations, plans, specifications, and estimates (PS&E), performed constructability reviews, responded to RFIs,
and supported construction-phase services for federally funded transportation projects.

Project Engineer, Justin Smith, PE, QSD
Mr. Smith brings 14 years of experience delivering
transportation, bridge, and municipal infrastructure
projects. His experience includes preparing PS&E
packages, bridge rehabilitation and replacement design, roadway and ADA improvements, utility coordination,
hydrologic and hydraulic analysis, cost estimating, and construction support for federally funded projects. Justin has supported multiple bridge preventive maintenance
and replacement projects for the City of Santa Clarita, as well as Caltrans Local Assistance projects involving bridge inspections, roadway improvements, and active
transportation facilities.

Design Engineer, Jose Quiroz, PE
Mr. Quiroz has extensive experience in structural
engineering, with expertise in design, analysis, and
detailing across a range of building and infrastructure projects. He is proficient in evaluating and assessing
the condition of existing reservoir structures, including seismic retrofit strategies. His technical capabilities encompass the design of reinforced concrete, masonry,
structural steel, and wood-framed systems. Jose has
contributed to the development of reservoirs and water/ wastewater treatment facilities, and he offers substantial experience in supporting construction-phase activities to ensure successful project execution.

Design Engineer, Geoff Heinen, PE
Mr. Heinen has nine years of experience in the design,
analysis, and detailing of structures with special emphasis on the design of water storage/water containment
and water conveyance-related structures, including
reservoirs, design water/wastewater treatment plants,
booster pump stations, flow control facilities, pressure reducing stations and pipelines. He is knowledgeable in all types of construction including reinforced concrete, masonry, structural steel, and wood frame design. He
also has extensive experience with seismic evaluation,
assessment, strengthening, retrofit, and replacement of existing structures.

Design Engineer, Robert Agnew, EIT
Mr. Agnew has four years of experience supporting
the design and preparation of construction documents
for municipal infrastructure projects. His experience
includes roadway geometry, ADA-compliant pedestrian
improvements, utility coordination, grading and drainage design, hydrologic and hydraulic analysis, field survey, cost estimating, and construction support. Robert has
prepared and supported PS&E packages for roadway,
storm drain, active transportation, park, and public right- of-way improvements for various municipalities.

Design Engineer, Alvaro Estrada Caceres, EIT
Mr. Estrada has more than 5 years of professional
experience in conceptual and final design of civil and
structural related projects. He is knowledgeable in
wood, structural steel, reinforced concrete, design of
foundations and buildings. He has worked with various
local agencies on building development projects
involving coordination with state and municipal agencies.

His experience involves preparation of technical reports, design calculations and construction plans.

Design Engineer, Thomas Bekele
Mr. Bekele has more than 7 years of professional
experience in conceptual and final design of civil and
structural related projects. He is knowledgeable in
wood, structural steel, reinforced concrete, design of
foundations and buildings. He has worked with various
local agencies on building development projects
involving coordination with state and municipal agencies.

His experience involves preparation of technical reports, design calculations and construction plan.

TETRA TECHCity of Santa Clarita
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162

8. SUBCONSUL TANT
Dietz Structural & Civil Engineering
DSC Engineering is a California Small Business Corporation formed in February 2017 in Laguna Hills, California. DSC Engineering was formed on the principals of a client focused engineering firm comprised of engineers experienced in municipal and public works infrastructure and capital improvement projects. DSC Engineering’ s goal is to assist our Clients in Moving Projects Forward. Our design philosophy is to be engaged with our Clients from the earliest phases of the design and planning processes. Our small size keeps our Engineers and Project Managers focused on solving the problems associated with today’ s engineering projects. DSC Engineering takes pride in the low rate of Change Orders associated with our projects, both in design and in construction. This is accomplished through well thought out design, knowledge of construction methods and materials, and oversight throughout the design process. DSC Engineering assists our Clients in making decisions that will create the best long-term return on infrastructure investments.

DSC Engineering has extensive experience assisting the City of Santa Clarita and other local agencies with Caltrans-administered transportation projects, including previous Bridge Preventative Maintenance Programs.

Their familiarity with Local Assistance procedures, project authorization requirements, and Caltrans coordination will support timely project delivery, help streamline the authorization process, and promote compliance with applicable LAPM and federal funding requirements.

LAPM & Caltrans Coordinator, Joe Dietz, PE, SE, LEED AP With more than 24 years of experience in bridge and transportation engineering, Mr. Dietz has successfully guided numerous federally funded transportation projects through the Caltrans Local Assistance Program and has obtained approval for more than a dozen projects under the Local Assistance Procedures Manual (LAPM). His experience spans project planning, funding, environmental coordination, bridge rehabilitation and replacement, PS&E preparation, and construction support.

Joe previously served as Southern California Bridge Design Lead for Tetra Tech and managed multiple Bridge Preventative Maintenance Programs for the City of Santa Clarita, where he prepared project documentation in accordance with LAPM requirements and coordinated directly with Caltrans throughout project authorization and delivery. His familiarity with the City’ s bridge preservation program and Caltrans procedures will support efficient project authorization and timely delivery.

To complement our in-house bridge engineering
capabilities, Tetra Tech has partnered with Dietz
Structural & Civil Engineering, Inc. (DSC
Engineering) to provide specialized Caltrans Local
Assistance Program (LAPM) coordination and federal
project administration support.

They will review project documents for completeness and conformance to requirements of the latest LAPM, assist in completing necessary forms, and work with the project
team and City to submit the compete Project Application to Caltrans. They will also assist with any Caltrans requests and questions during the project review.
- 17 -
2025-26 Bridge Preventative Maintenance Program
APPENDIX:

RESUMES
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
MS, Civil Engineering
(Structural Emphasis),
California State Polytechnic
University, Pomona
BS, Civil Engineering,
California State Polytechnic
University, Pomona

REGISTRATIONS
Professional Engineer, CA
No. 81944
Cal OES Safety Assessment
Program Evaluator

OFFICE LOCATION
Irvine, CA

YEARS OF EXPERIENCE
17 MIKE OLSEN, PE

PROJECT MANAGER
Mr . Olsen has more than 17 years experience and contributes his extensive structural engineering knowledge from his involvement in municipal, industrial, and federal projects.

He has completed a variety of projects varying in size and funding for both public and private entities. His experience includes design, analysis, detailing and construction in structural engineering. He is knowledgeable in reinforced concrete, pre- and post-tensioned concrete, reinforced masonry, steel, and timber construction for a variety of building and infrastructure projects including reservoirs, water/wastewater treatment facilities, pump stations, bridge, buried concrete vaults, pipeline structures, bridges, as well as seismic retrofit of existing structures. Mr . Olsen has extensive working knowledge of the California Building Code and International Building Code and their application to civil and structural engineering projects.

EXPERIENCE
Santa Clarita Bridge Preventative Maintenance Program, City of Santa Clarita, Santa Clarita, CA. Project Manager. Responsible for the preparation of Plans, Specifications, and Estimates to rehabilitate the various priority listed bridges throughout the City of Santa Clarita. Each year, the City selected Tetra Tech from an open bid process to complete the selected bridges for that calendar year. The projects involved various work items including joint seal assembly replacement, methacrylate application to bridge decks, epoxy injection of concrete cracks, and spalled concrete repair with polyester polymer patching systems.

The repair plan for each structure was field verified with City representatives to confirm County and Caltrans recommended repairs and identify any additional repair items to be included in the work plan. Tetra Tech worked closely with City staff to accelerate the design process and meet the City’ s budgetary needs. The City has awarded construction contracts to rehabilitate several sets of bridges in the last few years. Repairs were completed successfully. Tetra Tech also provided construction support through field meetings, construction inspections, clarifications to the contractor, and submittal review.

Anaheim Resort Mobility Plan and Pedestrian Bridge Engineering Feasibility Analysis, City of Anaheim Public Works, Anaheim, CA. Project Manager. Responsible for preparing conceptual site plan drawings, opinions of probable construction costs, and a technical memorandum for the City of Anaheim Public Works Department. The feasibility study was commissioned to study solutions to alleviate very high levels of pedestrian and vehicular traffic in the surrounding area of the Anaheim Disneyland Resort. After review of local traffic data, existing underground and overhead utilities, existing local properties and right of ways, and applicable code requirements, two intersections were identified as applicable candidates for future pedestrian bridges to improve safety and the flow of traffic. Conceptual construction plans and supporting documentation were produced for seven possible pedestrian bridges at two intersections to provide the City of Anaheim with relevant information about the challenges and probable costs associated with the construction of these bridges should they choose to progress the project to detailed design in the future.

Templeton to Atascadero Connector, County of San Luis Obispo, Templeton, CA.

Structural Design Engineer. Responsible for the preliminary design concept for the pedestrian bridge support system and approach slabs, as well as selecting the bridge superstructure type. Tetra Tech provided design services for a multi-use pathway including completing the California Environmental Quality Act (CEQA) and National Environmental Policy Act (NEPA) processes, right-of-way acquisition, permits, construction documents and grant administration. The ultimate goal of the pathway network is to provide connectivity between Templeton and Atascadero, facilitating safe transportation between these two towns and encouraging alternative transportation modes. - 1 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

OLSEN, PROJECT MANAGER
Huntington Beach Bridge Preventative Maintenance
Program, City of Huntington Beach, CA. Structural Design Engineer. Tetra Tech prepared plans, specifications, and estimates to rehabilitate the Golden West Street bridge (No. 55C0124). The project involved various work items including joint seal assembly replacement, methacrylate application to bridge decks, epoxy injection of concrete cracks, and spalled concrete repair with polyester polymer patching systems.

The repair plan for each structure was field verified with City representatives to confirm County recommended repairs and identify any additional repair items to be included in the work plan. Tetra Tech staff worked closely with City staff to accelerate the design process and meet the City’ s budgetary needs. The City has awarded construction contracts to rehabilitate several sets of bridges in the last few years. Repairs were completed successfully. Tetra Tech is currently providing construction support through field meetings, clarification to the contractor, and submittal review.

Pacoima Wash Mountain Bikeway, Mia Lehrer and
Associates for Mountains Recreation and Conservation
Authority, Los Angeles, CA. Structural Design Engineer.

Responsible for construction plans and abutment and retaining wall calculations for proposed bridge over Pacoima Wash.

Prepared plans, specifications, and estimates for an outdoor recreation project that involved installation of a bikeway along Pacoima Wash and a bridge spanning across wash.

Vista Canyon Bridge over the Santa Clara River, Design for Vista Canyon Ranch LLC, Santa Clarita, CA. Lead Structural Design Engineer. Responsible for the design and construction of a new bridge over the Santa Clara River for access from the Highway 14 to the new Vista Canyon Ranch development. The Vista Canyon Road Bridge will span approximately 780’-0” feet with an overall width of approximately 64’-5”. The proposed bridge consists of two 14’-0” lanes and a 12’-0” median/ emergency lane on the west side, and a 5’-0” raised planter.

The structure will consist of a 9-span, precast, prestressed concrete I-girder supported on reinforced concrete walls, seat- type abutments and foundations are anticipated to consist of driven steel piles.

Vista Canyon Regional Transit Center, City of Santa Clarita, Santa Clarita, CA. Structural Project Manager and Engineer of Record. Provided structural engineering design support for the Vista Canyon Regional Transit Center Project located in Santa Clarita, California, which consisted of the development and construction of a seven-bay bus transfer station complete with a restroom and security/ticketing facilities to provide an efficient and safer way of transportation to the public. Supported in the structural designs, calculations, modeling, and structural plan production of the steel canopy structures of the bus transfer station, the CMU restroom facility structure, and the CMU security building structure. Construction Administration support services have also been provided throughout the construction phase of the project where structural observations for various stages of the project have been conducted.

Arroyo Park Pedestrian Bridge Replacement, City of Santa Clarita, Santa Clarita, CA. Engineer of Record and Project Manager for the plans, specification and estimate. The City of Santa Clarita (City), in conjunction with the Landscape Maintenance District (LMD), maintains 25 pedestrian bridges and 5 under crossings that link the paseo system in the Valencia North and South neighborhoods in the City of Santa Clarita.

The City proposes to replace the last timber bridge located on Arroyo Park Drive, 0.6 miles west of McBean Parkway, with a pre-fabricated steel truss structure. Tetra Tech was hired to finalize the design and complete detailed construction Plans, Specifications, and Estimate (PS&E) of the proposed bridge replacement and additional support services as needed by the City. The biggest challenge that faces the Arroyo Park Pedestrian Bridge Replacement project is Arroyo Park Drive itself. Arroyo Park Drive is a residential roadway and has traffic throughout the day. Coordination during the demolition of the existing bridge and during final assembly and erection of the new pre-fabricated bridge will be key to the project success.

These major construction activities will most likely require full closure of Arroyo Park Drive. Tetra Tech is experienced in the preparation of traffic control plans within the City and will work once again to minimize the impact to the public.

McBean Parkway Pedestrian Bridge Construction Support,
City of Santa Clarita, Santa Clarita, CA. Project Engineer.

Project Engineer during the design and construction phase of the project. The City of Santa Clarita contracted Tetra Tech in 2015 to perform planning, structural design, and construction phase services to replace the existing pedestrian overcrossing (POC) over McBean Parkway. The POC is located on the City’ s network of multi-use “paseo” pathways. Constructed in 1979, the timber superstructure showed signs of insect infestation, dry rot, and delamination of the glue laminated girders. The project team was tasked with defining an approach to replace the decaying structure. Tetra Tech initiated the geotechnical investigation and preparation of structural plans, specifications, and estimates to replace the structure. Through continued partnership, Tetra Tech and City engineers delivered a project within cost that increases safety and restores alternative access to schools, neighborhood parks, and local businesses in the City of Santa Clarita. Construction commenced in spring of 2017 and was completed later that summer. The biggest
challenge encountered was the coordination and scheduling of road closures during the demolition of the existing bridge and during final assembly and erection of the new pre-
fabricated bridge Tetra Tech’ s experience in the preparation of traffic control plans within the City helped minimize the impact to the public and allowed the contractor do perform all construction related tasks.
- 2 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
BS, Civil Engineering,
Michigan Technological
University

REGISTRATIONS
Professional Engineer, CA,
No. C45530

SPECIALIZED TRAINING
FHWA National Highway
Institute, Two-week Course
Safety Inspection of In-service
Bridges
Bridge Inspection Refresher
Fracture Critical Inspection
Training

OFFICE LOCATION
Brighton, MA

YEARS OF EXPERIENCE
39 SCOTT BUCHHOLZ, PE

QA/QC MANAGER
Mr . Buchholz has 39 years experience in bridge design, scoping, load rating, maintenance inspection and construction inspection. He has served as the lead designer or project manager on numerous Michigan Department of Transportation (MDOT) and local agency bridges. His experience includes designing and load-rating concrete, pre-stressed concrete, steel and timber structures. Mr . Buchholz’s construction experience includes managing bridge projects as a resident engineer as well as a bridge construction area supervisor . As qualified team leader (QTL), he has performed bridge safety inspections, detailed bridge inspections and funding applications for many local agencies. Design and construction project types have been split between new and rehabilitation work.

EXPERIENCE
Local Agency Bridge Bundling (CRRSAA/Phase II) – North/Upper Bridges Design- Build Project (JN: 217023), Michigan Department of Transportation, MI. Design Manager. Tetra Tech is a subconsultant to Davis Construction for a Design Build Team for Local Agency Bridge Construction services. The goal is to reduce the number of Michigan bridges in poor, serious and critical condition by bundling five local agency bridges in the northern lower peninsula of Michigan and upper peninsula. MDOT expects bridge bundling to streamline coordination and permitting, increase economies of scale, and improve bridge conditions on local routes around the state.

MDOT Load Rating QA/QC, Michigan Statewide, MI. Project Manager and Lead Load Rating Reviewer. Responsible for completing as-needed bridge load rating QA/QC reviews. The project is used to review Michigan DOT and local agency bridge files. The reviews included verifying the load ratings were complete, matched the current condition of the bridge, and were done to current standards. The load rating reviews were completed on bridges having concurrent bridge inspection QA/QC reviews. Load rating reviews have been performed on a variety of bridge types including: complex moveable, steel truss, concrete arch, prestress concrete beams, steel beams and CMP culverts. Reviews have included both calculation reviews and judgement rating reviews. Each review has a Bridge Quality Assurance/Quality Control Review form completed. The load rating reviews also assist with documenting missing information.

M-28 over Rolston Creek, Ontonagon County, MI. Project Manager and Lead Bridge Engineer. Responsible for the culvert replacement design and preparations of final culvert plans on an MDOT trunkline road. A 72” concrete pipe culvert was replaced with a proposed 11’x14’ precast concrete culvert. The culvert was constructed using part-width construction with a temporary traffic signal and temporary shoulder widening. Waterway flow is controlled with bypass pumping.

I-75 from M-15 to Genessee County Line Bridge Capital Preventative Maintenance and Rehabilitation, MDOT -Oakland TSC, Bay County, MI. Technical Assistance. As a subconsultant to Rowe Engineering, performed capital preventative maintenance bridge work on eight bridges and rehabilitation on two as part of a freeway corridor resurfacing project that included ten consultant-designed bridges. Work involved deck and approach replacements, FRP wrap for pier cap strengthening, and various deck overlays. Repairs covered patching decks, barriers, concrete diaphragms, substructures, PCI beam ends, and structural steel, along with painting and rust removal. Additional work included barrier replacements, installing metal mesh panels, culvert cleanout, joint resealing, and waterproofing, with temporary supports used as needed.
- 3 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

BUCHHOLZ, QA/QC MANAGER
MDOT Bridge Inspection & Load Rating QA/QC, Michigan
Statewide, MI. Lead Load Rating Reviewer. Responsible for completing as-needed bridge load rating QA/QC reviews.

The project is used to review Michigan DOT and local
agency bridge files. The reviews included verifying the load ratings were complete, matched the current condition of the bridge, and were done to current standards. The load rating reviews were completed on bridges having concurrent bridge inspection QA/QC reviews. Load rating reviews
have been performed on a variety of bridge types including complex moveable, steel truss, concrete arch, prestress concrete beams, steel beams and CMP culverts. Reviews
have included both calculation reviews and judgement rating reviews. Each review has a Bridge Quality Assurance/Quality Control Review form completed. The load rating reviews also assist with documenting missing information.

I-94 Modernization, Grand River Ave over I-94, Bridge
Removal and Replacement (CS 82023 - JN 200221A),
Michigan Department of Transportation, Wayne
County, MI. QA/QC Engineer. The four-span bridge was
replaced with two-span bridge that accommodates both
current conditions and future freeway improvements. The replacement structure has span lengths of 133’ 8” and 109’ 9” for a total bridge length of 243’ 5”. The proposed deck section consists of a clear roadway width of 74’ 0”, 4’ 0” planter and an 11’ 0” sidewalk on each side with an out to out width of 106’ 9”. The superstructure uses 38” continuous steel plate girders. Substructure units consist of cantilever wall type abutments and a barrel arch design median pier.

US-131 under 129th Ave Bridge Removal and Replacement
(CS 03112 - JN 206619A), Michigan Department of
Transportation, Allegan County, MI. QA/QC Engineer. This interchange replacement project improved traffic capacity.

The 33’-5” wide four-span bridge was replaced with a SPUI interchange. The SPUI bridge is a two-span bridge that will be 143’ long and an out-to-out width of 195’. The replacement superstructure uses precast concrete AASHTO type III beams.

Substructure units consist of integral stub abutments behind an MSE retaining wall and a concrete multi-column and cap median pier.

Kennedy Farms and Star Farms Bridges over Bolles East
Canal (Segment 5), South Florida Water Management
District, Palm Beach County, FL. Lead Bridge Engineer.

Performed and reviewed all design calculations. The existing single span bridges are being replace with three-span
100-foot-long bridges. The superstructures consist of 12-inch deep precast Florida Slab Beams with composite concrete deck. The substructures consist of pile bents with 18-inch precast concrete piles. The design and detailing were
completed according to FDOT standards.

I-94 Modernization, Second Ave over I-94, Bridge Removal and Replacement (CS 82024 - JN 113125), Michigan
Department of Transportation, Wayne County, MI. Project Manager. Responsible for managing design effort and leading substructure design and final load rating. Coordinating with superstructure design and geotechnical investigation subconsultants along with numerous other design firms
on 8 other adjacent I-94 bridge replacement projects. The existing four-span bridge will be replaced with single-span bridge that accommodates both current conditions and future freeway improvements. The structure type is a network tied arch. Construction methods may include use of Self-Propelled Modular Transporters or other specialized construction
equipment.

Load Rating Complex Structures and Quality Control
Contract, Michigan Department of Transportation,
Statewide, MI. (3 Contracts). Project Manager and Lead
Load Rating Engineer. The load rating analysis and/or QA/QC tasks on three separate contracts that included ratings for 101 complex or unique bridges. Most of the load ratings can be described as complex, deteriorated, or damaged structures.

The complex bridge types have included, concrete arches, timber arches, steel trusses, moveable bridges (bascule & swing truss), curved steel girder, and tied arch. Thirteen of the bridges have been concrete arch type structures including, open spandrel arches, earth filled spandrel arches, precast arch units and long span 3 sided concrete frames. The required structural analyses conform to National Bridge Inspection Standards (NBIS) and MDOT policies and procedures.

Reviewing load rating results that do not meet standards.

As-Needed Bridge Load Rating Services – Standard
Structures Contract, Michigan Department of
Transportation, Statewide, MI. (2 Contracts). Project
Manager/Lead Load Rating Engineer. Responsible for
performing the load rating bridges on an as-needed load rating contract with MDOT . Scope of work included load ratings for hundreds of MDOT bridges and culverts using AASHTOWare
BrR software and independent check calculations on 10% of these bridges using other software or hand calculations as deemed appropriate. The bridges analyzed include simple and continuous spans. Many different beam types have been rated including prestressed concrete beams, cast in place reinforced concrete beams, concrete slabs, concrete culverts, steel beams with or without pin and hanger assemblies, steel girders with floor beams, and flared beams.

I-275 Metro Trail from I-94 to S. Huron, Wayne County, MI.

Lead Bridge Engineer. Responsible for the design of modular block retaining wall, steel sheet piling retaining wall and landscape block wall along shared-use path. The HMA shared- use path work extended 6.6 miles along I-275 from the Huron River bridge to south of I-94 in the city of Romulus.
- 4 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
MS, Structural Engineering,
California State Polytechnic
University Pomona
BS, Civil Engineering,
California State Polytechnic
University

REGISTRATIONS
Professional Engineer, CA
No. 75983
Professional Structural
Engineer, CA, No. 6177
Cal OES Safety Assessment
Program Evaluator Training

OFFICE LOCATION
San Dimas, CA

YEARS OF EXPERIENCE
19 ERIC YUEN, PE, SE

PROJECT ENGINEER
Mr . Yuen has 19 years of experience in the design, analysis, and detailing of structural engineering. He is knowledgeable in reinforced concrete, masonry, structural steel and wood frame design, and construction for a variety of building and infrastructure projects including reservoirs and water/wastewater treatment facilities, as well as seismic retrofit of existing structures.

EXPERIENCE
Seismic Resiliency of 8 Reservoirs, Montecito Water District, Montecito, CA.

Structural Project Engineer. Structural Project Engineer assisting with the design analysis and final design documents for the retrofits of four concrete reservoirs including Bella Vista reservoir, Cold Spring reservoir, Hot Springs reservoir, Buena Vista reservoir. Tetra Tech prepared Structural and Seismic Evaluation Report for ten of the District Storage Reservoirs back in September 2015, and the District selected Tetra Tech to prepare the final design document for the retrofit and provide construction support for eight of their reservoirs. The retrofit methods include reinforced concrete wall and footing overlay strengthening, steel roof seismic strengthening, roof to wall seismic connection strengthening, roof system replacement, and complete reservoir replacement.

Condition Assessment and Seismic Evaluation of Reservoir 16, Montecito Water District, Montecito, CA. Project Manager. Project Manager responsible to assist the Monte Vista Water District to perform structural and seismic assessment for Reservoir 16 and prepare the Preliminary Design Report (PDR) to summarize the findings and provide recommendations. Reservoir 16 is a 3.0 million gallon partially buried conventionally reinforced rectangular reservoir constructed in 1978. It has inside dimensions of 180-feet by 140-feet and a wall height of approximately 18-feet. The depth of the below-grade portion varies from 16 feet to 17 feet around the reservoir. Tetra Tech utilized inflatable kayaks to perform the on-site reconnaissance and assessment inside the reservoir.

Condition Assessment and Seismic Evaluation of the Emtman, University Heights, and Ross Reservoir, City of Riverside, CA. Project Manager. Project Manager responsible to perform a baseline condition assessment and seismic evaluation for three existing reservoirs: Emtman (5MG, 1960s), University Heights (5MG 1930s), and Ross Reservoirs (2MG, 1970s), and prepare the Preliminary Design Report (PDR) to summarize the findings and provide recommendations, budgetary estimates for tank retrofit and/ or repair options a “Hazard Categorization & Prioritization Matrix” to help the City to prioritize the necessary rehabilitations when funding becomes available. These three reservoirs are completely buried conventional reinforced concrete reservoirs (two rectangular and one circular). All three reservoirs have a concrete flat roof system supported by concrete columns.

Condition Assessment and Seismic Evaluation of the Walnut Reservoir, City of Santa Ana, CA. Project Manager. Project Manager responsible to perform structural and seismic assessment for Walnut Reservoir and prepare the Preliminary Design Report (PDR) to summarize the findings and provide recommendations. Walnut Reservoir is a 7 .0 million gallon completely buried conventionally reinforced rectangular reservoir constructed in 1956. It has inside dimensions of 242-feet by 202-feet and a wall height of approximately 16-feet. There is a 10-feet tall divider wall at the center of the reservoir. This reservoir is located under public tennis courts. Tetra Tech provide a certified on-site recure crew from a subconsultant for the reservoir entry for this on-site assessment. - 5 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

YUEN, PROJECT ENGINEER
Clearview Reservoir Assessment, Golden State Water
Company, Santa Ana, CA. Project Manager. Project
Manager responsible for the overall project for the visual assessment and seismic evaluation for the two partially buried concrete reservoirs (one rectangular and one circular) at the Clearview site located at 1501 Clearview Ln. Santa Ana. The circular reservoir has a capacity of 124,000 gallons and the rectangular reservoir has a capacity of 84,000 gallons. Non destructive Ground Penetration Radar (GPR) was performed during the on-site assessment to location the existing wall and roof slab reinforcement for the circular reservoir.

Condition Assessment and Seismic Evaluation of
Alessandro and Sugarloaf Reservoir, City of Riverside,
CA. Project Manager. Project Manager responsible for the engineering evaluation and inspection services to perform a baseline condition assessment and seismic evaluation for two existing pre-stressed circular concrete reservoirs: Alessandro Reservoir, 2.0 MGD, 130 by 20 feet, constructed in 1961 and Sugarloaf Reservoir, 5.0 MGD, 160 by 33 feet, constructed in 1962.

Hunting Horn Reservoir Structural/Seismic Evaluation,
Golden State Water Company (GSWC), City of North
Tustin, CA. Project Manager. Mr. Yuen is responsible for the overall project to provide professional engineering/technical services including on-site reconnaissance inside the reservoir to prepare a structural and seismic study and evaluation. The Hunting Horn Reservoir is a semi-buried reinforced concrete cylindrical water tank that was first constructed in 1900, converted to concrete in 1918, and gunite-lined in 1950. The reservoir has a capacity of 0.44 MG, measures approximately 72 feet in diameter and 16 feet high and has a wood frame roof. Over the years it has developed cracks in the interior shell that have been patched. It also has a slow leak that is visible from the exterior and requires assessment and repair.

Tetra Tech prepared a comprehensive engineering study and seismic evaluation of the tank to examine the alternatives available to GSWC for either repair or replacement.
13th Street Underground Reservoir Structural Retrofit,
City of Ontario, CA. Structural Design Engineer. The primary objective of this project was to reduce the potential damages to the reservoirs in the aftermath of an earthquake that may jeopardize public safety both within the local Upland neighborhood and the Ontario community they serve miles away. In 2008, Tetra Tech performed a Reservoir Seismic Vulnerability Evaluation Report (Seismic Report) on all the City’ s reservoirs to determine their ability to resist current seismic code loads. The Structural Evaluation of the Report evaluated the seismic force resisting components of each reservoir and provided seismic retrofit recommendations for those found to be deficient. The retrofit recommendations for the 13th Street Reservoir consist of a cast-in-place reinforced concrete overlay added to the walls, roof, and floor. The Preliminary Engineering Design phase included the necessary engineering services that confirmed the findings and recommendations of the 2008 Seismic Report (or
recommended another less time consuming, cost-effective alternative) and resulted in the production of a preliminary design report and preliminary design drawings used as a basis for the final design and ultimately the final construction documents.

Mechanical Equipment Platform, Baxter Healthcare,
Los Angeles, CA. Structural Design Engineer. Assisted
with the Design and Construction Phase Services for the construction of a 25-foot high, 3,500 square foot, elevated steel platform to support various pieces of mechanical
equipment over the existing truck loading dock area of
Baxter Healthcare’ s Los Angeles plant. Baxter needed a new platform to support new mechanical equipment, as
well as to relocate some existing equipment from their older platforms. Tetra Tech’ s scope of work included providing structural design of the main platform, designing supports and anchorage for the equipment that was relocated,
obtaining building department approval for the platform, and providing construction support such as reviewing shop drawings and RFIs, and performing structural observations to ensure conformance with the construction documents
and Los Angeles building department requirements. The
loading dock remained open during business hours while the platform was under construction.

3. 1 MG Reservoir Seismic Strengthening, City of El
Segundo, CA. Structural Design Engineer. Provided the
seismic strengthening design of the reservoir in the design phase and structural observations in the construction
phase. Tetra Tech prepared preliminary and final design construction plans, specifications, and cost estimates for the seismic retrofit of an existing 3.1 MG concrete potable water storage tank, originally constructed in 1948. The seismic strengthening included the addition of reinforcing steel and shotcrete to the exterior walls, plywood roof sheathing, and structural steel shear transfer frames around the tank perimeter between the roof and the wall shell. The reservoir retrofit involves partial demolition of the existing wood roof.

Safety upgrades included the design of new roof mounted guard railings. Tetra Tech’ s construction phase services included structural observations, special inspection by a deputy inspector, and material testing.
- 6 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
MS, Structural Engineering,
University of California, San
Diego
BS, Structural Engineering,
University of California, San
Diego

REGISTRATIONS
Professional Engineer, CA
No. 91335

OFFICE LOCATION
Irvine, CA

YEARS OF EXPERIENCE
8 BRETT BOEHMKE, PE

PROJECT ENGINEER
Mr . Boehmke contributes his structural engineering knowledge from involvement in municipal, industrial, and federal projects. He has completed projects varying in size and funding for both public and private entities. Mr . Boehmke’s experience includes design, analysis, detailing, and construction in structural engineering. He is proficient in conventionally reinforced and pre-stressed concrete, reinforced masonry, steel, and timber construction for a variety of building and infrastructure projects. Infrastructure design and construction familiarity includes buildings, steel braced frame, and moment frame industrial structures, water recapture facilities, storm drainage, bridge, and seismic retrofit of existing structures. Mr . Boehmke has extensive working knowledge of the California Building Code, International Building Code, and applicable seismic building codes and their application to civil and structural engineering projects.

Mr . Boehmke is experienced with a variety of design software programs including RISA-3D, RISA Foundation, RISA Floor , RISA Connection, REVIT , AutoCAD Civil 3D, ENERCALC SEL, and Hilti PROFIS Anchor .

EXPERIENCE
Anaheim Resort Mobility Plan and Pedestrian Bridge Engineering Feasibility Analysis, City of Anaheim Public Works, Anaheim, CA. Structural Project Engineer for Pedestrian Bridge Feasibility Study. Responsible for conducting site visits, determining relevant design standards and code requirements, and preparing a technical memorandum on the feasibility of constructing new pedestrian bridges in a heavily trafficked area of Anaheim near the Disneyland Resort. Tetra Tech acted as a subcontractor to Fehr & Peers to identify and communicate potential design and construction issues associated with erecting pedestrian bridges at two intersections serving high volumes of pedestrian traffic to and from the Disneyland Resort and surrounding retail stores, hotels, restaurants, and other attractions. The ultimate goal of the Mobility Plan is to eliminate at-grade pedestrian crossings at two intersections in order to improve the flow of traffic and mitigate safety risks for both vehicles and pedestrians.

Vista Canyon Regional Transit Center, City of Santa Clarita, CA. Structural Project Engineer. Responsible for assisting with structural design and plan, specification, and estimate development, as well as performing Structural Observations and responding to requests for information form the general contractor during the construction phase of the project. Tetra Tech was enlisted to perform design and construction support for new masonry restroom and security booth buildings, steel bus canopy structures, and a reinforced concrete retaining wall for a new bus transit center.

Riverside Drive near Zoo Drive Bridge over Los Angeles River, Bridge No. 53C-1298, City of Los Angeles, CA. Project Engineer. Responsible for providing design and construction support for this federally funded project. With this historic bridge falling below current design standards, Tetra Tech was contracted for to complete environmental documentation and permitting, geotechnical and hydraulic analyses, bridge widening and retrofit, traffic and lighting upgrades, and 100% plans, specifications, and estimates in an effort to fix geometric deficiencies, barrier rail vulnerabilities, structural weaknesses, and Los Angeles River bicycle lane impedance issues. This is a federally funded project and plan reviews and approvals by Caltrans District 7 and the Federal Highway Administration are required.
- 7 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

BOEHMKE, PROJECT ENGINEER
Sixth Street Park, Arts, River, and Connectivity (PARC) Project, City of Los Angeles Bureau of Engineering, Los Angeles, CA. Structural Project Engineer. Responsible for assisting in the schematic and final design, environmental and construction support services, and post-construction services for nearly 12 acres of recreational and open space beneath and around a new bridge. The project includes approximately ½ mile of improvements within the Los Angeles River. These improvements will include bike trails, pedestrian access, and softening of the existing concrete-lined channel and were originally envisioned in the Los Angeles River Revitalization Master Plan that Tetra Tech completed. The City’ s goal is to make the landscape component under the new bridge
a world class public space that will include an arts plaza, performance stages, synthetic sports fields, river terracing, and bicycle and pedestrian pathways.

Ameresco Forward Bridge HBTU, Ameresco, Inc., French
Camp, CA. Design Engineer. Responsible for providing
design services for a prefabricated steel pipe bridge,
that spans the entire length of the Little Johns Creek, to help support a new 16-inch PPRNG Gas Pipe, 2-inch dual
contained condensate line, 2-inch fiber optic conduit and 6-inch Republic dewatering line. As part of this task of work, Tetra Tech determined the feasibility of constructing the proposed pipe bridge and provided 30% level conceptual
drawings, that included a plan and profile of the proposed bridge. Mr. Boehmke was responsible for preparing
conceptual bridge layouts and coordinating with pre-
fabricated bridge manufacturers to determine the most cost effective to approach to address the needs of the client.

Rialto Channel Improvement Reach 5, San Bernardino
County Department of Public Works, Rialto, CA. Design
Engineer. Responsible for preparing plans, specifications, structural calculations, and estimates for the structural portion of the project. Interacted with the client and contractor both electronically and at the site during construction phase to address field issues and existing conditions differing from assumptions made during design phase. The San
Bernardino Department of Public Works identified the
need to provide additional flow capacity and reconstruct segments of the existing Rialto Channel between Cameron Way and the nearby Union Pacific Railroad Bridge in the City of Rialto. The design consisted of modifying an existing single reinforced concrete box culvert beneath Riverside Avenue into a double reinforced concrete box culvert,
transitioning to an open rectangular channel with a tapered debris wall down the center, and ultimately terminating with an extension to an existing double reinforced box culvert near the aforementioned Union Pacific Railroad bridge.

The construction totaled approximately 877 linear feet of reconstructed concrete channel and box culverts. Tetra Tech performed the structural detailed design as well as provided construction phase services including responding to requests for information, reviewing construction submittals, and performing site visits.

Caruthers Park Stormwater and Urban Runoff Capture
Project, City of Bellflower, Bellflower, CA. Structural Project Engineer. Assisted in providing design and construction phase services including plans, specifications, estimates, and structural observations. Tetra Tech was contracted to perform design services on the reconstruction of a local flood control channel and site improvements to the public park. The project components included a diversion structure to divert water from one of the major flood control channels, a pretreatment structure to remove debris from the runoff, an underground structure to infiltrate or capture the water that will be treated for landscape irrigation use, and a rehabilitated park surface with new picnic areas. The goal of the project is to not only help the City alleviate the channel’ s total maximum daily loads, but also provide additional benefits, such as revitalized park infrastructure and augmentation of local water supplies.

The adjacent storm drain channel fell within the jurisdiction of the Los Angeles County Flood Control District meaning all construction documents required additional review and approval from the LACFCD.

El Dorado Regional Stormwater Capture Project, City of
Long Beach, Long Beach, CA. Structural Project Engineer.

Responsible for preparing plans, specifications, structural calculations, and estimates for the open channels and buried concrete vault structures. Tetra Tech is providing pre-design, design, and bid support services for the development of this multi-benefit regional BMP . This project represents a major opportunity to enhance an undeveloped parcel within the City to achieve pollutant load reductions for the Lower San Gabriel River Watershed. The site has the potential to provide significant water quality benefits for multiple jurisdictions due to its drainage area, location of the adjacent drainage system, and available development space. The drainage area for the project (2,924 acres) covers portions of the Cities of Norwalk, Cerritos, Artesia, Hawaiian Gardens, Lakewood, and Long Beach. This project has the potential to offer runoff storage and water. The proposed site improvements consist of the construction of a wetlands north of the Long Beach Water Reclamation Plant, a diversion structure at the Artesia-Norwalk Channel at Wardlow with a pump stations, and approximately 2,000 feet of new 24-inch storm drain on Wardlow Road,
Lama Avenue, and Tarma Street. The new storm drain serves to divert up to 15 cfs of stormwater from the Artesia-Norwalk Channel into a channel that drains into the proposed wetland. - 8 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
BS, Civil Engineering,
University of California, Irvine

REGISTRATIONS
Professional Engineer, CA
No. 85736

OFFICE LOCATION
Irvine, CA

YEARS OF EXPERIENCE
14 JUSTIN SMITH, PE

PROJECT ENGINEER
Mr . Smith has been a part of the Tetra Tech team for 14 years and contributes his extensive knowledge in civil engineering from his involvement in a variety of municipal projects of varying size and funding. His design experience includes hydrologic and hydraulic design for storm drain improvements, construction and post-construction stormwater Best Management Practices (BMPs) including associated Water Quality Management Plans (WQMP) and Stormwater Pollution Prevention Plans (SWPPP), WQMP Operations and Maintenance Reports, overall utility plans, structural design, grading activities varying from mass grading to final precise grading plans, parking lot and roadway geometrics, pedestrian accessibility improvements, bike trails, and park developments. His other experience includes cost estimating, preparing specifications, providing construction/post- construction support, performing utility research, and coordinating with the project team and outside agencies.

EXPERIENCE
Bridge Preventive Maintenance Program, City of Santa Clarita, CA. Project Designer.

Responsible for providing support during the field observations and assisting in the preparation of plans and specifications to rehabilitate the aging vehicular bridges. Work activities include field observation reports, methacrylate resin bridge deck treatment, replacement of expansion joint seals, repair of spalled concrete, and epoxy injection in cracked concrete. The program will extend the useful service life of existing bridge assets. In addition, Tetra Tech was responsible for the development of the preventive maintenance guidelines to help the City of Santa Clarita preserve bridge structures and assisted in receiving federal funding under Highway Bridge Program (HBP). The project identified preventative maintenance strategies and criteria for use; addressed processes and procedures related to the program; provided guidelines for selecting bridge preservation projects; and determined the overall financial needs of implementing the program.

Huntington Beach Bridge Preventative Maintenance, City of Huntington Beach, CA.

Project Engineer. Responsible for providing civil engineering design for preparation of plans, specifications, and estimates (PS&E) to rehabilitate the Golden West Street bridge (No. 55C0124). The project involved various work items including joint seal assembly replacement, methacrylate application to bridge decks, epoxy injection of concrete cracks, and spalled concrete repair with polyester polymer patching systems. The repair plan for each structure was field verified with City representatives to confirm County recommended repairs and identify any additional repair items to be included in the work plan. Tetra Tech staff worked closely with City staff to accelerate the design process and meet the City’ s budgetary needs. The City has awarded construction contracts to rehabilitate several sets of bridges in the last few years. Repairs were completed successfully. Tetra Tech is currently providing construction support through field meetings, clarification to the contractor, and submittal review.

Anaheim Resort Mobility Plan and Pedestrian Bridge Engineering Feasibility Analysis, City of Anaheim Public Works, Anaheim, CA. Project Engineer. Responsible for preparing conceptual site plan drawings, opinions of probable construction costs, and a technical memorandum for the City of Anaheim Public Works Department. The feasibility study was commissioned to study solutions to alleviate very high levels of pedestrian and vehicular traffic in the surrounding area of the Anaheim Disneyland Resort. After review of local traffic data, existing underground and overhead utilities, existing local properties and right of ways, and applicable code requirements, two intersections were identified as applicable candidates for future pedestrian bridges to improve safety and the flow - 9 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

SMITH, PROJECT ENGINEER
of traffic. Conceptual construction plans and supporting documentation were produced for seven possible pedestrian bridges at two intersections to provide the City of Anaheim with relevant information about the challenges and probable costs associated with the construction of these bridges should they choose to progress the project to detailed design in the future.

Riverside Drive near Zoo Drive Bridge Widening Over
the Los Angeles River, Bridge No. 53C-1298, City of Los Angeles, Bureau of Engineering, Los Angeles, CA. Project Designer. Responsible for providing design and survey
support. With this historic bridge falling below current design standards, Tetra Tech was contracted for the completion of environmental documentation and permitting, geotechnical and hydraulic analyses, bridge widening and retrofit, traffic and lighting upgrades, and 100% plans, specifications, and estimates (PS&E) in an effort to fix geometric deficiencies, barrier rail vulnerabilities, structural weaknesses, and Los Angeles River Bicycle Lane impedance issues. This is a
federally funded project and plan reviews and approvals by Caltrans District 7 and the Federal Highway Administration (FHWA) were required.

Professional Engineering Services for Paseo Overcrossing Inspections, City of Santa Clarita, CA. Project Designer.

Provided support for the inspection and prioritization for the replacement projects for the following Paseo overcrossings:

John Russell Drive POC, McBean Parkway POC, and Del
Monte Drive POC. Project tasks include bridge inspections, assessments, and reports.

Del Monte Drive Pedestrian Overcrossing Replacement,
City of Santa Clarita, CA. Project Designer. Provided
planning, design, and construction phase support services to replace the existing pedestrian overcrossing (POC) over Del Monte Drive with a single-span configuration with
a prefabricated steel truss superstructure. Project tasks included: geotechnical investigation and report, survey, utility research and coordination, abutment structural calculations, preparation of plans, specifications, and estimates (PS&E), and construction support.

EL Paseo Drive Pedestrian Overcrossing Replacement,
City of Santa Clarita, CA. Project Designer. Provided
planning, design, and construction phase support services to replace the existing pedestrian overcrossing (POC)
over El Paseo Drive with a single-span configuration with a prefabricated steel truss superstructure. Project tasks included: geotechnical investigation and report, survey, utility research and coordination, abutment structural calculations, preparation of plans, specifications, and estimates, and construction support.

John Russell Drive Pedestrian Overcrossing Replacement, City of Santa Clarita, CA. Project Designer. Provided
planning, design, and construction phase support services to replace the existing pedestrian overcrossing (POC) over John Russell Drive with a single-span configuration with a prefabricated steel truss superstructure. Project tasks included: geotechnical investigation and report, survey, utility research and coordination, abutment structural calculations, preparation of plans, specifications, and estimates, and construction support.

McBean Parkway Pedestrian Overcrossing Replacement,
City of Santa Clarita, CA. Project Engineer. Provided
planning, design, and construction phase support services to replace the existing pedestrian overcrossing (POC) over McBean Parkway with a single-span configuration with
a prefabricated steel truss superstructure. Project tasks included: geotechnical investigation and report, survey, utility research and coordination, abutment structural calculations, preparation of plans, specifications, and estimates, and construction support.

Sixth Street Park, Arts, River and Connectivity (PARC)
Project, City of Los Angeles Bureau of Engineering, Los Angeles, Los Angeles, CA. Project Engineer. Responsible for providing engineering design services to prepare plans, specifications, and estimates (PS&E). Tetra Tech is providing schematic and final design, environmental documentation and permitting, public presentations, construction support services, and post-construction services for nearly 12 acres of recreational and open spaces beneath and around
the new bridge. The project includes approximately ½
mile of improvements within the Los Angeles River. These improvements will include bike trails, pedestrian access, and softening of the existing concrete lined channel. These improvements were originally envisioned in the Los Angeles River Revitalization Master Plan that Tetra Tech completed.

The City’ s goal is to make the landscape component under the new bridge a world class public space that will include an Arts Plaza, several performance stages, synthetic sports fields, river terracing, and bicycle and pedestrian pathways.
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2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
MS, Structural Engineering,
California State Polytechnic
University, Pomona
BS, Civil Engineering,
California State University, Los
Angeles

REGISTRATIONS
Professional Engineer, CA
No. 91482

OFFICE LOCATION
San Dimas, CA

YEARS OF EXPERIENCE
9 JOSE QUIROZ, PE

DESIGN ENGINEER
Mr . Quiroz has extensive experience in structural engineering, with expertise in design, analysis, and detailing across a range of building and infrastructure projects. He is proficient in evaluating and assessing the condition of existing reservoir structures, including seismic retrofit strategies. His technical capabilities encompass the design of reinforced concrete, masonry, structural steel, and wood-framed systems. Mr . Quiroz has contributed to the development of reservoirs and water/wastewater treatment facilities, and he offers substantial experience in supporting construction-phase activities to ensure successful project execution.

EXPERIENCE
Talbert Channel Condition Assessment, Orange County Public Works, Huntington Beach, CA. Structural Project Engineer. Provided structural engineering services for a condition assessment which included approximately 1,400 feet of Talbert Channel.

Evaluated overall channel condition and provided repair recommendations to address corrosion and spalling on channel walls. Conducted a visual observation to identify signs of corrosion, spalling, cracks, or other structural deficiencies that could compromise the channel’ s integrity. Based on findings, developed recommendations to mitigate corrosion issues.

Reservoir Seismic Resiliency, Montecito Water District, Montecito, CA. Structural Design Engineer. Assisting with design analysis and final design documents for retrofits to four concrete reservoirs: Bella Vista, Cold Spring, Hot Springs, and Buena Vista. Prepared Structural and Seismic Evaluation Report for ten District Storage Reservoirs in September 2015, and prepared final design document for retrofit and provided construction support for eight reservoirs. Retrofit methods include reinforced concrete wall and footing overlay strengthening, steel roof seismic strengthening, roof to wall seismic connection strengthening, roof system replacement, and complete reservoir replacement.

Coyote 1C Reservoir Condition Assessment and Seismic Evaluation, City of Fullerton, CA. Structural Design Engineer. Assisted with condition assessment and engineering services for structural evaluation and subsequent rehabilitation of Coyote 1C Reservoir.

Evaluation purpose to rehabilitate deteriorating wood roof and exterior concrete wall shell. Additional concerns included upgrading safety components, removing, repairing, and/or replacing severely corroded materials, and evaluating reservoir structural integrity and stability.

Walnut Reservoir Condition Assessment and Seismic Evaluation, City of Santa Ana, CA. Structural Design Engineer. Performed structural and seismic assessment for Walnut Reservoir and prepared preliminary design report to summarize findings and provide recommendations. Walnut Reservoir is a 7 .0-G completely buried, conventionally reinforced rectangular reservoir constructed in 1956. Inside dimensions: 242 feet x 202 feet. Wall height approximately 16 feet. Reservoir has a 10-foot-tall divider wall at the center. Reservoir located under public tennis courts. Provided a certified, on-site recure crew from a subconsultant for reservoir entry for on-site assessment.

Emtman, University Heights, and Ross Reservoir Condition Assessments and Seismic Evaluations, City of Riverside, CA. Structural Design Engineer. Assisted with performing a baseline condition assessment and seismic evaluation for three reservoirs: Emtman (5MG, 1960s), University Heights (5MG 1930s), and Ross Reservoir (2MG, 1970s). Prepared preliminary design report to summarize findings and provide recommendations, budgetary estimates for tank retrofit and/or repair options a “Hazard Categorization & Prioritization Matrix” to help city to prioritize necessary rehabilitations - 11 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita
when funding available. Reservoirs completely buried
conventional reinforced concrete reservoirs (two rectangular and one circular). All three have a concrete flat roof system supported by concrete columns. 200-16722-21001
Clearview Reservoir Assessment, Golden State Water
Company, Santa Ana, CA. Structural Design Engineer.

Assisted with engineering visual assessment and seismic evaluation for two partially buried concrete reservoirs (one rectangular and one circular) at Clearview site (1501 Clearview Lane) Circular reservoir has capacity of 124,000 gallons and rectangular has a capacity of 84,000 gallons.

Performed Non Destructive Ground Penetration Radar during on-site assessment to locate existing wall and roof slab reinforcement for circular reservoir.

MF Filtrate Tank Assessment, Leo J Vander Lans Advanced Water Treatment Facility, Water Replenishment District
of Southern California, Long Beach, CA. Structural
Design Engineer. Assisted with condition assessment
and seismic evaluation of a 35,000-gallon welded steel
tank. Work included preparation of a technical memo
describing evaluation, findings, seismic analysis, and repair recommendations (with details, figures and exhibits), and cost estimates for repairs.

Fiberglass Reinforced Plastic Platform Assessment, Leo J Vander Lans Advanced Water Treatment Facility, Water
Replenishment District of Southern California, Long Beach, CA. Structural Design Engineer. Assisted with condition assessment and seismic evaluation of fiberglass reinforced plastic platform at Reverse Osmosis Clean-in-Place system as part of facility’ s process to assess extent of deficiencies and deterioration in existing platform, determine probable causes, and provide remedial recommendations. Prepared
a technical memo describing evaluation, findings, seismic analysis, and repair recommendations (with details, figures and exhibits), and cost estimates for repairs.

Bassett High School Stormwater Capture Multi-Benefit,
County of Los Angeles, La Puente, CA. Structural Design Engineer. Assisting in final design and construction plans of concrete drop inlet/diversion structures for multiple storm drains to divert stormwater into underground precast concrete regional stormwater capture and infiltration
facility. Project located in an underserved community in city and within Bassett Unified School District (BUSD).

BUSD presented their Bassett Senior High School campus
to county as an opportunity to construct underground
stormwater infiltration best management practices. Project to improve water quality, increase water conservation through groundwater recharge, increase recreational opportunities, and provide educational outreach. Prepared an optimization and alternatives study focused on raising underground
infiltration gallery to a maximum design depth of 25 feet bgs (for maintenance restrictions), minimizing/avoiding conflicts with county trunk line sewers and optimizing alignments to reduce diversion lengths, and optimizing storage size.

Prepared updated water quality outputs for long-term and event-based hydrology (85th Percentile, 24-hour event)
in WMMS 2.0 project, optimizing design and reviewing
additional project alternatives. Prepared 30-percent design plans.

Adventure Park Multi-Benefit Stormwater Capture Design, Los Angeles County Public Works Department, Whittier,
CA. Structural Design Engineer. Assisted in final design and construction plans of a concrete drop inlet structure in storm channel to divert stormwater into 21.5-acre-foot underground precast concrete regional stormwater capture facility for client to monitor baseline flow conditions, optimize regional system inflow, storage, and outflow. Project to reduce long- term annual pollutant loading to Upper San Gabriel River waterways by implementing watershed control measures
and structural BMPs while incorporating additional project benefits such as LID measures and sustainable landscaping in park. Project includes a channel diversion system, a pretreatment unit, underground storage, and a post-
treatment filtration unit.

Santa Ana River Enhanced Recharge, San Bernardino Valley Municipal Water District, CA. Structural Design Engineer.

Design and construction plans of various drop structures, weir structures, diversions structures. Project enhances stormwater capture and recharge in San Bernardino Basin, improving water supply reliability and drought resilience for approximately 400,000 people.

Pure Water Oceanside Advanced Water Purification
Facility, City of Oceanside, CA. Structural Design Engineer.

Designed a new Advanced Water Purification Facility (AWPF) to provide highly treated water supply with specific purpose to recharge MGB in upper San Luis Rey recycled water
service area through indirect potable reuse as a component of an overall project. AWPF built on a former recycled water storage pond at San Luis Rey Water Reclamation Facility.

Performed structural calculations for concrete tilt-up building, underground storage tanks, prepared detailed structural design plans, and reviewed construction submittals and RFIs.

As-Needed Structural Engineering Services, San Diego
County Water Authority, San Diego, CA. Structural Designer.

Assisted on the following task orders: Fallbrook 4/Rainbow 7 Flow Control Facility (Q0303) $76,120; Hubbard Hill
North (Q0204) $102,901; Mission Trails Regulatory Facility CL2 System - Facility Improvement Design; Vallecitos 11/ Vista 12 FCF: Design & Bid Phase Services (Q0302); Pipeline 3 Relining Condition Assessment (Q0221); and Seismic
Evaluation Criteria for Existing FCF Structures (Q0199).

QUIROZ, DESIGN ENGINEER
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2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
MS, Structural Engineering,
California State Polytechnic
BS, Civil Engineering,
Gonzaga University

REGISTRATIONS
Professional Engineer, CA
No. 93633

OFFICE LOCATION
San Dimas, CA

YEARS OF EXPERIENCE
9 GEOFF HEINEN, PE

DESIGN ENGINEER
Mr . Heinen has eight years of experience in the design, analysis, and detailing of structures with special emphasis on the design of water storage/water containment and water conveyance-related structures, including reservoirs, design water/wastewater treatment plants, booster pump stations, flow control facilities, pressure reducing stations and pipelines. He is knowledgeable in all types of construction including reinforced concrete, masonry, structural steel, and wood frame design. He also has extensive experience with seismic evaluation, assessment, strengthening, retrofit, and replacement of existing structures.

EXPERIENCE
John Garthe Reservoir Assessment, City of Santa Ana, CA. Structural Design Engineer.

Assisting with preparation of a seismic evaluation of a 4-MG potable water storage tank. Concrete structure constructed in 1990s. Tank structure consists of a prestressed circular concrete wall shell, concrete columns and a concrete roof. Evaluation determined improvements needed for reservoir to meet current Code (AWWA D110-13) seismic design and determined extent of sagging and cracking at roof deck. Evaluated safety and reservoir appurtenances for OSHA compliance (ladders and hatches) and security (hatches and vents). Provided conceptual designs and costs in a preliminary design report.

Fairmont Reservoir Assessment, Y orba Linda Water District, Y orba Linda, CA.

Structural Design Engineer. Assisting with preparation of a seismic evaluation of a 5.5- MG potable water storage tank. Concrete structure constructed in 1950s. Tank structure consists of a prestressed circular concrete wall shell, concrete columns, and a concrete roof. Evaluation determined improvements needed for reservoir to meet current Code (AWWA D110-13) seismic design and determined extent of sagging and cracking at roof deck. Evaluated safety and reservoir appurtenances for OSHA compliance (ladders and hatches) and security (hatches and vents). Provided conceptual designs and costs in a preliminary design report.

Doulton Reservoir Seismic Vulnerability Retrofit, Montecito Water District, Montecito, CA. Structural Design Engineer. Design and construction to replace a 0.25-MG steel tank with new steel tank with similar location/dimensions and a new deep foundation that consists of cast-in-drilled hole concrete piles and a concrete pile cap. Deep foundation required to mitigate settlement problems that affected original tank. Design of a cathodic protection system. Reconfiguration of inlet and outlet piping using a single penetration inlet/outlet pipe on reservoir floor, including check valves, ensures mixing and two separate locations for water inlet and water outlet. Flexible joint connections to be included at tank. Providing a plan for a temporary tank (e.g., rain-for-rent tank) and associated piping.

Romero Reservoir Seismic Vulnerability Retrofit, Montecito Water District, Montecito, CA. Structural Design Engineer. Design and construction includes replacing steel framed roof with a new concrete roof deck, new columns with concrete pad footings at each column, and new concrete stem walls. Installation of grade beams along sides of 0.94- MG rectangular tank, and a deep concrete secant wall at tank’ s south edge designed to prevent seismically induced sliding that could compromise reservoir. Pipe design modification results from addition of divider walls. Extending piping along tank bottom, with check valves to promote mixing. Site improvements limited to repairing concrete swale adjacent to tank.
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2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita
Terminal Reservoir Seismic Vulnerability Retrofit,
Montecito Water District, Montecito, CA. Structural Design Engineer. Design and construction includes replacing steel framed roof with a new concrete roof deck, new columns with concrete pad footings at each column, and a concrete slab overlay. Walls and wall footings strengthened for 3.4-MG rectangular tank. Work includes addition of interior piping with check valves to separate inlet and outlets and promote mixing, and addition of screen to overflow.

Park Lane Reservoir Seismic Vulnerability Replacement,
Montecito Water District, Montecito, CA. Structural Design Engineer. Assisted with engineering/technical services
including structural retrofit design and construction of new concrete roof tank. Design and construction includes sub- drain and leak detection and a new 1.25-MG reinforced
concrete reservoir. To control construction costs, minimize earthwork, and environmental impacts, new reservoir to be constructed within walls of rectangular reservoir. Installed new ladders, site fencing, and screens for drain. Upsized altitude valve and installed inlet/outlet to promote mixing.

Reservoir No 2 Roof Replacement, City of Buellton,
CA. Structural Design Engineer. Assisted with structural engineering/technical services including on-site
reconnaissance of existing reservoir and preparing structural drawings and specifications. City wanted to reoperate a hopper-bottom reservoir to prepare for the fire season.

Adding a non-combustible material roof to cover existing concrete reservoir. Due to wind, prepared structural drawings to replace roof with an aluminum one, supported by a new concrete slab overlay and concrete stem wall along reservoir perimeter. Provided construction support services to assist in submittal review and technical assistance in answering RFIs.

Hunting Horn Reservoir Retrofit and Replacement, Golden State Water Company, City of North Tustin, CA. Structural Design Engineer. Assisted with engineering/technical
services including structural design and construction of new Hunting Horn Reservoir, a circular conventional reinforced concrete tank placed inside of original 1900s structure.

Reservoir capacity: 0.44 MG. Prepared structural drawings and specifications for tank.

Reservoir 16 Condition Assessment and Seismic Evaluation, Monte Vista Water District, CA. Structural Design Engineer.

Assisted performing structural and seismic assessment for Reservoir 16 and prepared preliminary design report to
summarize findings and recommendations. Reservoir 16 is a

3.0-MG partially buried conventionally reinforced rectangular reservoir constructed in 1978. Inside dimensions: 180 feet by 140 feet. Wall height: 18 feet. Depth of below-grade portion varied from 16 to 17 feet around reservoir. Utilized inflatable kayaks to perform on-site reconnaissance and assessment inside reservoir.

Hunting Horn Reservoir Structural/Seismic Evaluation,
Golden State Water Company, City of North Tustin, CA.

Structural Design Engineer. Assisted with engineering/
technical services including on-site reconnaissance inside reservoir to prepare a structural and seismic study and evaluation. Reservoir is a semi-buried reinforced concrete cylindrical water tank first constructed in 1900, converted to concrete in 1918, and gunite-lined in 1950. Reservoir capacity is 0.44 MG, measures approximately 72 feet in diameter
and 16-feet-high and has a wood frame roof. Over the years it has developed cracks in interior shell that have been patched and has a slow leak visible from the exterior and requires assessment and repair. Prepared a comprehensive engineering study and seismic evaluation of tank to examine alternatives available for either repair or replacement.

Alessandro and Sugarloaf Reservoir Structural/Seismic
Evaluation, City of Riverside, CA. Structural Design Engineer.

Assisted with preparation of a seismic evaluation of a 4-MG potable water storage tank. Concrete structure originally constructed in 1964-65 and consists of a prestressed circular concrete wall shell, concrete columns and a concrete roof.

Evaluation determined improvements to meet current Code (AWWA D110-13) seismic design and extent of sagging
and cracking at roof deck. Evaluated safety and reservoir appurtenances for OSHA compliance (ladders and hatches) and security (hatches and vents). Provided conceptual
designs and costs in a preliminary design report.

Zone 1 Reservoir Construction, Irvine Ranch Water
District, Irvine, CA. Structural Design Engineer. Design and construction support for 3.7-MG Reservoir. Performed structural calculations (prestressed tank, concrete vaults, retaining walls) detailing, reviewing construction submittals, reviewing.

Sierra Madre Reservoir Rehabilitation, City of Glendora, CA. Structural Design Engineer. Assisted with preparation of a seismic evaluation of a 4-MG potable water storage tank.

Concrete structure originally constructed in 1964-65. Tank structure consists of a prestressed circular concrete wall shell, concrete columns, and a concrete roof. Evaluation determined improvements needed for reservoir to meet
current Code (AWWA D110-13) seismic design and extent
of sagging and cracking at roof deck. Evaluated safety
and reservoir appurtenances for OSHA compliance
(ladders and hatches) and security (hatches and vents).

Provided conceptual designs and costs for recommended
improvements in a preliminary design report.

HEINEN, DESIGN ENGINEER
- 14 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
BS, Civil Engineering,
University of California, Irvine

REGISTRATIONS
Certified Engineer-In-
Training, CA No. 179863

OFFICE LOCATION
Irvine, CA

YEARS OF EXPERIENCE
4 ROBERT AGNEW, EIT

DESIGN ENGINEER
Mr . Agnew is experienced in the design and preparation of construction documents and improvement plans for municipal and federal projects. These plans include street and storm drain improvements, community parks, and the implementation of Best Management Practices (BMP). He is also experienced in preparing Stormwater Pollution Prevention Plans (SWPPP), WQMP’s and LID reports. Mr . Agnew is experienced in AutoCAD Civil 3D, AutoCAD 2016, GIS, HEC-HMS,HEC-RAS and county specific hydrology software for the preparation of projects He also is experienced in field survey work.

EXPERIENCE
Old Orchard Park Refurbishment, Pacific Coast Land Design, Inc., City of Santa Clarita, CA. Design Engineer. Responsible for hydrology and drainage studies, writing a LID report, and drafting support for improvements at this 5.4-acre neighborhood park.

Tetra Tech was contracted by Pacific Coast Land Design, Inc. to provide topographic survey services, plans, specifications, and estimates (PS&E), a Hydrology, Hydraulics and Urban Stormwater Mitigation Plan (USMP) Report, and a Stormwater Pollution Prevention Plan (SWPPP).

Sixth Street Viaduct Park, Arts, River, and Connectivity (PARC), City of Los Angeles, Bureau of Engineering, Los Angeles, CA. Design Engineer. Provided grading design and drafting construction support, Tetra Tech is providing schematic and final design, environmental documentation and permitting, public presentations, construction support services, and post-construction services for nearly 12 acres of recreational and open spaces beneath and around the new bridge. The project includes approximately ½ mile of improvements within the Los Angeles River. These improvements will include bike trails, pedestrian access, and softening of the existing concrete lined channel. These improvements were originally envisioned in the Los Angeles River Revitalization Master Plan that Tetra Tech completed. The City’ s goal is to make the landscape component under the new bridge a world class public space that will include an Arts Plaza, several performance stages, synthetic sports fields, river terracing, and bicycle and pedestrian pathways.

First Street Slope Stabilization, City of Santa Ana, CA. Design Engineer. Responsible for providing construction support Tetra Tech provided preliminary design, final design, and construction support services for this slope stabilization project that involved paving the slopes along First Street with reinforced concrete paving to prevent further erosion and improve water quality. The completed slope paving featured a stamped surface with integral coloring as well as bands of cobble and a colored concrete river feature. Tetra Tech developed the preliminary design, final design, and provided construction support services for the project.

Scholl Canyon Landfill Biogas to Energy, City of Glendale, Glendale, CA. Design Engineer responsible for assisting with hydrologic studies, best management practice (BMP) sizing, grading and pipe network design and drafting service. Glendale Water & Power’ s Biogas Renewable Generation project will generate approximately 11 megawatts net of renewable energy for the City of Glendale on an approximately two-acre portion of the City’ s Scholl Canyon Landfill. The project will utilize the naturally recurring landfill gas locally without having to transport the gas offsite. This naturally occurring renewable fuel will generate electric energy for local consumption.
- 15 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
MS, Civil and Environmental
Engineering (Structural
Emphasis), University of
California, Irvine
BS, Civil and Environmental
Engineering, University of
California, Irvine

REGISTRATIONS
Certified Engineer-In-
Training, CA No. 174940

OFFICE LOCATION
Irvine, CA

YEARS OF EXPERIENCE
5 ALVARO CACERES, EIT

DESIGN ENGINEER
Mr . Estrada has more than 5 years of professional experience in conceptual and final design of civil and structural related projects. He is knowledgeable in wood, structural steel, reinforced concrete, design of foundations and buildings. He has worked with various local agencies on building development projects involving coordination with state and municipal agencies. His experience involves preparation of technical reports, design calculations and construction plans. Mr . Estrada is experienced with a variety of design software programs including EnerCALC SEL and RISA3D among Excel spreadsheets for analysis and design of structures. Additionally, Mr . Estrada has comprehensive knowledge with Autodesk Revit and AutoCAD software for detailed and conceptual design studies, as well as the construction plan sets.

EXPERIENCE
Phelan Transfer Station Structural Feasibility Study, San Bernardino County, Phelan, CA. Structural Designer. Assisted with preparation of construction plans, and calculations for Mid-Vallet Litter fence. Tetra Tech performed a structural feasibility study for a proposed expansion of the Phelan Transfer Station in San Bernardino County, including review of existing as-built documents, preliminary structural analysis, finite element modeling, and development of technical memoranda and conceptual construction cost estimates to evaluate project constructability and future development viability.

Gold Hill Sewer Intertie, Rogue Valley Sewer Services, OR. Structural Designer. Provided structural calculations for equipment anchorage design of a 3,784 lbs generator Tetra Tech is designing a new intertie system that requires a new pump station constructed at Gold Hill WWTP and possibly more pump stations along pipeline alignment given the distance and 400+ foot elevation gain. Force main pipe aligned with Highway 99/2nd Avenue from the WWTP through downtown Gold Hill until it crosses the Rogue River. Pipe will continue east along Blackwell Road to Highway 140 and make a connection with closest RVSS manhole.

Pump station design requires new electrical controls and connection to RVSS SCADA system.

MWD Iron Mountain Station Light and Power Electrical Improvements Final Design, Metropolitan Water District of Southern California, City, San Bernardino County, CA.

Structural Designer. Responsible for providing Structural calculations and creating framing plans and detailing for the Generator Building and Diesel Tank Canopy structure. Tetra Tech is providing multidisciplinary engineering services to support the preliminary design of electrical infrastructure improvements at Metropolitan Water District’ s Iron Mountain Pumping Plant. The project includes replacement and modernization of the aging station power and lighting switchrack, development of a new medium-voltage switchgear facility, backup power generation systems, and associated electrical distribution improvements to enhance system reliability, maintainability, and operational resilience.

Taylor Yard Paseo del Rio, City of Los Angeles, Los Angeles, CA. Structural Designer.

Responsible for providing an analysis and design of the proposed overlook structure.

Tetra Tech is providing pre-design, design, and construction support services to develop approximately 16 acres of a 42-acre site. In addition to creating a nature-focused open space, project diverts stormwater from storm drains, treats it, and diverts it into a water quality feature. Any overflow discharges back into storm drain system. Project features a new pavilion used for various events such as farmers markets and movie nights. - 16 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

EDUCATION
BS, Civil Engineering, Long
Beach (Structural Engineering
Emphasis) University

OFFICE LOCATION
Irvine, CA

YEARS OF EXPERIENCE
7 THOMAS BEKELE

DESIGN ENGINEER
Mr . Bekele has more than 7 years of professional experience in conceptual and final design of civil and structural related projects. He is knowledgeable in wood, structural steel, reinforced concrete, design of foundations and buildings. He has worked with various local agencies on building development projects involving coordination with state and municipal agencies. His experience involves preparation of technical reports, design calculations and construction plan. Mr . Bekele is experienced with a variety of design software programs including EnerCALC SEL and RISA3D among Excel spreadsheets for analysis and design of structures.

EXPERIENCE
Intel FM1 Emulation Lab, Intel Corporation, Santa Clara, CA. Structural Designer.

Responsible for preparing structural calculations and drawings for the overall PS&E deliverable. Tetra Tech provided survey services and civil and structural design efforts including grading and drainage for construction of a new block house, exterior transform enclosure, and Sacramento Municipal Utility District substation. Surface improvements included asphalt concrete pavement, sidewalks, and stormwater detention basin.

Underground improvements included relocations of domestic and fire suppression lines.

Underground work also included extension of fire water line loop and location of proposed underground electrical duct banks.

Skanska - CR100 1st Floor Expansion, Intel Corporation, Santa Clara, CA. Structural Designer. Responsible for preparing structural calculations and drawings for the overall PS&E deliverable. Tetra Tech provided structural engineering services at the programming and design levels to convert an existing production room into a CR100 level cleanroom.

Structural elements of the cleanroom design include new prefabricated steel structure with a walkable plenum ceiling system and Unistrut support systems for new electrical equipment.

Tetra Tech is also providing construction administration support which requires responding to Requests for Information (RFI) and reviewing submittals.

Skanska - CR100 2nd Floor Expansion, Intel Corporation, Santa Clara, CA. Structural Designer. Responsible for preparing structural calculations and drawings for the overall PS&E deliverable. Tetra Tech provided structural engineering services at the programming and design levels to convert an existing open space into a CR100 level cleanroom. Structural elements of the cleanroom design include new CFS walls, a raised metal floor system, a walkable plenum ceiling system, and Unistrut support systems for new ducts and piping.

Tetra Tech is also providing construction administration support which requires responding to Requests for Information (RFI) and reviewing submittals.

Scholl Canyon Landfill Biogas to Energy, City of Glendale, Glendale, CA. Structural Design Engineer. Responsible for preparing structural calculations and drawings for the overall PS&E deliverable, project coordination and construction support services. Glendale Water & Power’ s Biogas Renewable Generation project will generate approximately 11- MW net of renewable energy on a two-acre portion of Scholl Canyon Landfill. Project will beneficially utilize naturally recurring landfill gas locally without having to transport gas off-site. Naturally occurring renewable fuel generates electric energy for local consumption.

Completed final design for several structures including Power Distribution Center building, office facilities, retaining wall structures, ammonia tank containment structure, flare foundations and several biogas and generator equipment foundations. Providing construction phase services including structural observations and submittal reviews. - 17 -
2025-26 BRIDGE PREVENTATIVE MAINTENANCE PROGRAM
PROPOSAL # CIP-25-26-M0162
TETRA TECHCity of Santa Clarita

DSC ENGINEERING

EDUCATION
BS, Architectural
Engineering, California
Polytechnic State University,
San Luis Obispo

REGISTRATIONS
Professional Engineer, CA
No. 67032
Professional Structural
Engineer, CA No. S-5251

YEARS OF EXPERIENCE
25 JOE DIETZ, PE, SE, LEED AP

LAPM AND CALTRANS COORDINATOR
Mr . Dietz has well rounded experience in civil and structural engineering stemming from his involvement in a variety of municipal, agency, commercial, federal and private development projects. His experience includes work on both public and private jobs of varying sizes and construction material types. Mr . Dietz has extensive working knowledge of the California Building Code (CBC), American Association of State Highway and Transportation Officials (AASHTO) Codes, Caltrans Design Manuals, US Army Corps of Engineers Engineering Manuals, Guides, Standards, Technical Letters, and their application to civil and structural engineering projects. His experience includes the complete life cycle of projects from planning and funding through design and construction. Mr . Dietz has acted as the resident engineer for the construction of many of the projects he has designed.

EXPERIENCE
Wonderful Bridge, Lost Hills, CA. Structural Engineer of Record responsible for design and analysis of a new pedestrian bridge overcrossing California State Route 46 in Lost Hills, California. Responsible for the conceptual design development in conjunction with the Project Architect SPFa. Preliminary work included the submission of the Project to Caltrans for Bridge Type Selection and Encroachment Permit processing. The project provides critical pedestrian access over a busy State highway to connect schools and communities on the south side of State Route 46 with a park and other portions of the community on the north side of SR46. Responsible for the preparation of plans, calculations, and details to obtain permits from Kern County and Caltrans.

Dawson Canyon Road Bridge over Temescal Wash, Corona, CA. Structural Engineer responsible for the evaluation of the Dawson Canyon Road Bridge over the Temescal Wash including Bridge Inspections and recommendations for repair work. The Dawson Canyon Road Bridge was rated as Structurally Deficient by a Caltrans bridge inspection report in 2018. Mr. Dietz worked with the County of Riverside and the main user of the bridge, the El Sobrante Landfill, to prepare repair plans for the bridge. Repairs were performed in 2020 to the bridge deck and other elements of the structure. Mr. Dietz continued to provide yearly inspections of the bridge and prepared additional repair plans to address pier wall deficiencies and scour protection countermeasures.

Sixth Street Viaduct Park, Arts, and River Connectivity Improvements (PARC), City of Los Angeles, CA. Project Engineer responsible for the development of the approximate 12-acre park that is under and adjacent to the Sixth Street Viaduct Project currently in construction for the City of Los Angeles The project includes both pedestrian and bikeway connections to the Los Angeles River and the future extension of the Los Angeles River Bikeway. Improvements within the Los Angeles River include Class I bike facilities, ramps, viewing areas, terracing, softening of the concrete channel liner and other amenities to allow public access from the Arts District to the Los Angeles River. The project involves close coordination with Metro, Caltrans, the City of Los Angeles, and the US Army Corps of Engineers.

Bridge Preventative Maintenance Program, City of Santa Clarita, CA. Mr. Dietz acted as the Project Manager and Engineer of Record for the preparation of plans, specifications, and estimates to rehabilitate the various priority listed bridges throughout the City of Santa Clarita. The projects involved various work items including joint seal assembly replacement, methacrylate application to bridge decks, epoxy injection of concrete cracks, and spalled concrete repair with polyester polymer patching systems.

The repair plan for each structure was field verified with City representatives to confirm County and Caltrans recommended repairs and identify any additional repair items to be included in the work plan.
- 18 -

CITY OF SANTA CLARITA
Public Works Department
Price Summary / Totals
Task Pricing Totals 178,155
Bill Rate > 255.00 215.00 155.00 255.00 155.00 300.00 Specify Add'l Fees on Setup 0 Technology Use Fee
Proj Area > 178,155
Submitted to: City of Santa Clarita
$0.00
Contract Type: T&M
mile
M&E
Project Phases / Tasks From Thru Months 877 192 198 332 39 104 12 1,200 0.00% 172,655 5,500 - - - 178,155 13 15 16 17 18 19 Task 1.0 - Project Management 60 42 14 - 4 - - 200 14,740 - - - - 14,740 Client Kick-Off Meeting (1 Total) 08/26/26 09/26/26 1.0 3 20 12 4 4 4 200 2,900 2,900 Monthly PDT Meetings (10 Total) 08/26/26 08/26/27 11.8 26 235 20 10 10 4,700 4,700 Monthly Status Reports (12 Total) 08/26/26 08/26/27 11.8 26 235 12 12 3,060 3,06 0 Project Administration 08/26/26 08/26/27 11.8 26 235 16 16 4,080 4,08 0 Task 2.0 - Design Services 817 150 184 332 35 104 12 1,000 157,915 5,500 - - - 1 63,415 Task 2.1 - Document Review 08/26/26 10/26/26 2.0 5 39 48 8 16 8 16 9,040 9, 040 Task 2.2 Field Investigation 120 60 - 60 - - - 1,000 24,600 - - - - 24,600 Site Visit 08/26/26 10/26/26 2.0 5 39 96 48 48 1,000 19,680 19,680 Field Notes 08/26/26 10/26/26 2.0 5 39 24 12 12 4,920 4,920 Task 2.3 - Design Development 534 74 164 244 12 28 12 - 102,950 5,500 - - - 108,450 65% Design Package 196 26 58 88 6 12 6 - 37,930 - - - - 37,930 Plans/Drawings (10 Sheets Assummed) 08/26/26 12/16/26 3.6 8 72 124 12 24 64 6 12 6 23,330 23,330 Technical Specifications 08/26/26 12/16/26 3.6 8 72 40 4 12 24 7 ,320 7,320 Design Assumptions & Outstanding Issues Checklist 08/26/26 12/16/26 3.6 8 72 8 2 6 1,800 1,800 Engineer's Estimate 08/26/26 12/16/26 3.6 8 72 24 8 16 5,480 5,480 95% Design Package 194 26 58 88 4 12 6 - 37,420 - - - - 37,420 Plans/Drawings (15 Sheets Assummed) 12/16/26 03/26/27 3.2 8 64 122 12 24 64 4 12 6 22,820 22,820 Technical Specifications 12/16/26 03/26/27 3.2 8 64 40 4 12 24 7 ,320 7,320 Response Matrix 12/16/26 03/26/27 3.2 8 64 8 2 6 1,800 1,800 Engineer's Estimate 12/16/26 03/26/27 3.2 8 64 24 8 16 5,480 5,480 100% Final Design Package 66 10 26 24 2 4 - - 12,990 - - - - 12,990 Plans/Drawings (15 Sheets Assumed) 03/26/27 04/26/27 1.0 3 20 34 4 8 16 2 4 6,350 6,350 Technical Specifications 03/26/27 04/26/27 1.0 3 20 14 2 4 8 2,610 2,610 Response Matrix 03/26/27 04/26/27 1.0 3 20 8 2 6 1,800 1,800 Engineer's Estimate 03/26/27 04/26/27 1.0 3 20 10 2 8 2,230 2,230 Address & Respond to City Review Comments 56 8 16 32 - - - - 10,440 - - - - 10,440 65% Design Package Submittal 12/16/26 01/01/27 0.5 2 10 28 4 8 16 5,220 5,220 95% Design Package Submittal 04/26/27 05/01/27 0.2 1 3 28 4 8 16 5 ,220 5,220 Address and Respond Caltrans Agency Review 22 4 6 12 - - - - 4,170 - - - - 4,170 Round (1) 05/01/27 07/01/27 2.0 5 39 22 4 6 12 4,170 4,170 LAPM & Caltrans Coordination Assistance - 5,500 5,500 Task 2.4 - Traffic Control Coordination 08/26/26 10/26/26 2.0 5 39 20 4 16 3,500 3,500 Task 2.5 - Utility and Agency Coordination 08/26/26 10/26/26 2.0 5 39 55 - - - 11 44 - - 9,625 - - - - 9,62 5 Utility Purveyor Records Request 22 2 20 3,610 3,610 Utility Conflict Exhibits (3 Total) 15 3 12 2,625 2,625 Utility Conflict Coordination Meeting (3 Total; Virtual) 18 6 12 3,390 3,390 Task 2.6 Bid Support 40 8 20 12 - - - - 8,200 - - - - 8,200 Contractor RFIs 08/01/27 10/01/27 2.0 5 39 16 4 12 3,600 3,600 Addendums 08/01/27 10/01/27 2.0 5 39 24 4 8 12 4,600 4,600 Totals 08/26/26 10/01/27 12.9 877 192 198 332 39 104 12 1,200 0.00% 172,655 5,500 - - - 178,155 Price Proposal
Total Price
Pricing by Resource
FY 25-26 Bridge Preventativ Maintenance Program (BPMP)
Fleet Vehicles
Project Engineer I
(Structural) (Brett
Boehmke, PE, SE)
Design Engineer I
(Structural) (Alvaro
Estrada, EIT/Thomas
Bekele)
Project Engineer II
(Civil) (Justin Smith, PE)
Design Engineer II
(Civil) (Robert Agnew,
EIT)
QA/QC Manager (Scott
Buchholz, PE)
Task Pricing
Totals Schedule
Work Days
Off
Work Days
Total
Labor Hrs Subs Travel Mat'ls & Equip ODCs
Labor
Rate Esc. Labor
Project Manager
(Michael Olsen, PE)
Tetra Tech - Confidential and Proprietary Page 1 of 1 Printed 8/10/2026