Exhibit A_Siegfried Scope — Ripon City Council, May 13, 2025

RIPON, CA

PROPOSAL FOR PROFESSIONAL SERVICES
Dear Spencer;
We appreciate the opportunity to propose our services to you for this project. Our scope of work, based on previous conversations, emails and our familiarity with the project are as follows.

I. Project Description
Civil/landscape architecture design for an updated intersection at River Road and N Ripon Road in Ripon.

Programmatic requirements will include but are not limited to clear pedestrian circulation to and from existing sidewalks, new curb returns, ADA ramps, grading and drainage improvements.

II. Scope of Work
Siegfried Engineering, Inc. (Siegfried) will provide survey, landscape architecture and civil engineering services to City of Ripon (Client) for an updated intersection at River Road and N Ripon Road (Project) in Ripon, California including the following services:

Task 1 – Topographic & Boundary Survey

1. Prepare a topographic and boundary survey of the approximate limits shown in the attached Exhibit. The survey will be in sufficient detail for use by Siegfried in developing preliminary plans.

2. Office preparation and mapping of the surveyed features utilizing AutoCAD Civil 3D.

3. Mapping will be based on the California Coordinate System, NAD83, NAVD88 datum.

4. Underground utility lines will be mapped as a part of this scope of work, record information and surface utility shots will be used to map the utilities to the best of our ability.

5. As-builts provided by the owner.

Task 2 – Schematic Design (30% Submittal)

1. Siegfried will assist the Client with finalizing the layout based on City review comments.

2. Siegfried will provide site infrastructure schematics addressing demolition.

3. Siegfried will provide a conceptual grading and drainage plan that reflects watershed patterns, slopes, valleys, ridges, and flow directions.

4. Siegfried will provide a site pavement, amenity, and surface treatment plan.

5. We anticipate a team meeting with the Client and a maximum of one (1) design collaboration meeting (in person or conference call) with the project team throughout the schematic design period to coordinate with the project team.

Deliverables:
30% civil and landscape drawings in PDF format.

EXHIBIT A

1. Siegfried will assist the Client with finalizing the plan improvements layout based on Client plan review comments from 30% review.
a. Topography and Demolition Plan
b. Plan and Profile Sheets, assumed to include:
i. Drainage and Grading in accordance with the American Disability Act (ADA). ii. Underground utilities including storm drain, sewer and water. Coordination with traffic signal and dry utilities is anticipated during this task, shown for reference only. iii. Alignment and dimensions usable for construction staking. c. All details necessary to clarify the plan intent are included and will be part of the plan set. d. Cross Sections, as required by the City.
e. Prepare the Project Infrastructure Construction Erosion Control Plan only for erosion control during the construction of the improvements shown in Siegfried's plans, including best management practices (BMP's), but excluding a detailed non-visible pollutant monitoring and testing plan

2. We anticipate a maximum of two (2) conference call meetings with the project team throughout the design development period to coordinate with the project team.

3. Siegfried will provide draft specifications for civil and landscape improvements.

Deliverables:
50% civil and landscape drawings and specifications in PDF format.

Task 4 – Construction Documents (100% Submittal)

1. Siegfried will assist the Client with finalizing the plan improvements layout based on Client plan review comments from 60% review.
a. Topography and Demolition Plan
b. Plan and Profile Sheets, assumed to include:
i. Drainage and Grading in accordance with the American Disability Act (ADA). ii. Underground utilities including storm drain, sewer and water. Coordination with traffic signal and dry utilities is anticipated during this task, shown for reference only. iii. Alignment and dimensions usable for construction staking. c. All details necessary to clarify the plan intent are included and will be part of the plan set. d. Cross Sections, as required by the City.
e. Prepare the Project Infrastructure Construction Erosion Control Plan only for erosion control during the construction of the improvements shown in Siegfried's plans, including best management practices (BMP's), but excluding a detailed non-visible pollutant monitoring and testing plan

2. We anticipate a maximum of two (2) conference call meetings with the project team throughout the design development period to coordinate with the project team.

3. Siegfried will provide draft specifications for civil and landscape improvements.

Deliverables:
100% civil and landscape construction documents and specifications in PDF format.

Task 5 – Project Management and Coordination with City of Ripon

1. Siegfried will meet and coordinate with the City of Ripon during the design tasks.

2. Assist the client on submittals and coordination with the various agencies in order to gain approval.

STOCKTON SAN JOSE SACRAMENTO MODESTO
3428 Brookside Rd. 84 W. Santa Clara St., #700 1164 National Drive #20 100 Sycamore Ave, #100 Stockton, CA 95219 San Jose, CA 95113 Sacramento, CA 95834 Modesto, CA 95354 t: 209.943.2021 t: 408.754.2021 t: 916.520.2777 t: 209.762.3580 PAGE - 3 -
Exceptions to the scope
It is understood that the following are not included in the Scope:
a. preliminary title report, preparation of deed of conveyance and recordation fees, b. parcel map, subdivision and lot line adjustments
c. entitlements and use permits,
d. lighting design,
e. separate submittal to outside agencies such as Caltrans, County, etc. (assuming the City or Ripon or traffic engineer will handle these submittals and coordination). Plans and specs will be revised to gain approval through these agencies.
f. geotechnical engineering,
g. traffic engineering,
h. signage,
i. electrical, data, or gas service design,
j. maintenance plans,
k. potholing to determine location and/or elevation of underground utilities, l. plan check fees,
m. QSD/QSP services,
n. Construction staking

STOCKTON SAN JOSE SACRAMENTO MODESTO
3428 Brookside Rd. 84 W. Santa Clara St., #700 1164 National Drive #20 100 Sycamore Ave, #100 Stockton, CA 95219 San Jose, CA 95113 Sacramento, CA 95834 Modesto, CA 95354 t: 209.943.2021 t: 408.754.2021 t: 916.520.2777 t: 209.762.3580 PAGE - 4 -
III. Fee Proposal
Task Description Total
1 Topographic & Boundary Survey $17,000
2 Schematic Design (30%) $25,000
3 Design Development (60%) $25,000
4 Construction Documents (100%) $40,000
5 Project Management & Coordination with COR $18,000
TOTAL FEE excluding reimbursable expenses
$125,000
We look forward to working with you and the rest of the team. If you have any questions regarding this proposal, please do not hesitate to call me directly. We will commence work upon your authorization to proceed and the execution of your contract documents.

Sincerely,
____________________________
Adam K. Merrill, P.E., QSD, QSP
CE 76826

SIEGFRIED

Ripon City CouncilMay 13, 2025

Ripon City Council
May 13, 2025