CTR074233__Amendment_4_-_Revises_Key_Personnel.pdf

REV.03-05-2025

CONTRACT

AMENDMENT

CONTRACT NO.: CTR074233

AMENDMENT NO.: 4

TITLE: Capacity Development/Technical Assistance to Small Public Drinking Water System CONTRACTOR: Watearth, Inc.

ADEQ PROCUREMENT

1110 W. Washington Street Phoenix, AZ 85007 602-771-4140

THE PURPOSE OF THIS AMENDMENT IS TO:

In accordance with the Uniform Terms and Conditions, 5.1 Amendments, this contract is hereby amended as follows:

1. Adds the following key personnel:

• Dennis Richards – Project Engineer III

• Edel Tuquib – CADD Technician III

• Jacob Guise – Project Manager I

2. Deletes the following key personnel:

• Jeremy Liby

• Timothy Magalong

3. All other Requirements, Specifications, Terms and Conditions remain unchanged.

THE ABOVE REFERENCED AMENDMENT IS A

UNILATERAL ACKNOWLEDGEMENT OF

CONTRACTOR’S APPROVED CHANGED

REQUEST.

ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITY

The above referenced Amendment is hereby executed this 10th day of September 2025 at Phoenix, Arizona.

Ana Machiche Procurement Officer

Available online at Arizona Procurement Portal (APP) eProcurement System https://app.az.gov https://app.az.gov/

Request for Proposal

Solicitation No. BPM006379

Capacity Development/Technical Assistance to Small Public Drinking Water Systems

Arizona Department of Environmental Quality (ADEQ)

Solicitation Attachment – Key Personnel | Revision No. 1 | Revised 11-22

Attachment 6 – Key Personnel

Answer all questions thoroughly in the spaces provided. Include a Key Personnel form (limit of one page) for each key personnel. Complete this form in full for each proposed key personnel to be involved in performing the services, carrying out the work. It is essential that the Contractor is capable of providing adequate staff of experienced certified/qualified personnel, capable of providing the services to be performed under this contract. If there are more than ten (10) Key Personnel, please utilize the same form for each additional Personnel by making copies of this page as needed.

1 Name: Dennis L. Richards P.E., BC.WRE, F.EWRI, F.ASCE Job title: Project Engineer III

Location of Staff (local or out of state): Local

Staff Level of Services per Pricing Sheet: Project Engineer III

Length of employment with the company: 1 year Length of time in current role: 1 year

Proposed percentage of overall time to be dedicated to the Services: 85 % If applicable, length of time in related experience with large local, state, or federal government agencies: 50+ years

Proposed position with regard to the Services: Project Engineer III

Proposed primary responsibilities with regard to the Services:

1 - Capacity Development Activities 2 - Capacity Development Activities 3 - Design of water system improvements 4 - Construction Administration & Construction Management 5 - Design of water system improvements 6 - Drinking water permit applications (e.g., ATC, AOC, APP, AZPDES) 7 - Drinking water permit applications (e.g., ATC, AOC, APP, AZPDES) 8 - Funding assistance (e.g., PPL, PFA, RD-Apply) 9 - Funding assistance (e.g., PPL, PFA, RD-Apply) 10 - Preparing Corrosion Control Assessments & Treatment Recommendations 11 - Preparing Corrosion Control Assessments & Treatment Recommendations 16 - System Evaluations 18 - Water Master Planning

Describe experience in performing Services similar to those that are to be assigned:

Richards is a nationally recognized Civil Engineer with board certification in water resources and over five decades of experience in stormwater, sedimentation, and hydraulic engineering. His expertise spans the full project lifecycle from planning and modeling to design and construction of flood control systems, levees, bank protection, and stormwater infrastructure. He brings an advanced understanding of bridge hydraulics, scour analysis, floodplain delineation, sediment transport, and regulatory compliance, having led hundreds of FEMA studies and hydraulic designs for infrastructure across the U.S.

Richards has authored state and federal standards, contributed to hydraulic design manuals, and instructed hundreds of engineers through workshops, FHWA demonstration projects, and university-affiliated training programs. His

Arizona Department of Environmental Quality (ADEQ) leadership has shaped best practices in stormwater management, scour countermeasure design, and soil-cement stabilization. In addition to technical excellence, he has served as project principal, expert witness in litigation, and a committee leader within ASCE, EWRI, AAWRE, and IECA. His work is foundational to modern water resources engineering in arid and flood-prone environments.

List job-related certifications, training, and education:

Education

• M.S., Civil Engineering (Hydraulics), South Dakota State University.

• B.S., Civil Engineering, South Dakota State University.

Licenses and Certification

• Professional Engineer: AZ, VA, CO, NV, NM, TX

• Board-Certified Water Resources Engineer – AAWRE

Arizona Department of Environmental Quality (ADEQ)

Answer all questions thoroughly in the spaces provided. Include a Key Personnel form (limit of one page) for each key personnel. Complete this form in full for each proposed key personnel to be involved in performing the services, carrying out the work. It is essential that the Contractor is capable of providing adequate staff of experienced certified/qualified personnel, capable of providing the services to be performed under this contract. If there are more than ten (10) Key Personnel, please utilize the same form for each additional Personnel by making copies of this page as needed.

1 Name: Edel J. Tuquib Job title: CADD Technician III

Location of Staff (local or out of state): Out of State

Staff Level of Services per Pricing Sheet: CADD Technician III

Length of employment with the company: 1 year Length of time in current role: 1 years

Proposed percentage of overall time to be dedicated to the Services: 85 % If applicable, length of time in related experience with large local, state or federal government agencies: 7 years

Proposed position with regard to the Services: CADD Technician III

Proposed primary responsibilities with regard to the Services:

1 - Capacity Development Activities 2 - Capacity Development Activities 3 - Design of water system improvements 4 - Construction Administration & Construction Management 5 - Design of water system improvements 6 - Drinking water permit applications (e.g., ATC, AOC, APP, AZPDES) 7 - Drinking water permit applications (e.g., ATC, AOC, APP, AZPDES) 8 - Funding assistance (e.g., PPL, PFA, RD-Apply) 9 - Funding assistance (e.g., PPL, PFA, RD-Apply) 10 - Preparing Corrosion Control Assessments & Treatment Recommendations 11 - Preparing Corrosion Control Assessments & Treatment Recommendations 16 - System Evaluations 18 - Water Master Planning

Describe experience in performing Services similar to those that are to be assigned:

Tuquib is a technically proficient CADD Technician and licensed Civil Engineer with extensive experience producing detailed engineering drawings and visualizations for public infrastructure projects. His work supports flood control, drainage systems, roadway design, and water infrastructure through comprehensive drafting and modeling workflows. Tuquib has hands-on experience using AutoCAD Civil 3D to generate grading plans, utility layouts, cross-sections, and topographic surfaces, and collaborates directly with survey teams to integrate geospatial data into accurate design deliverables.

Tuquib is skilled in converting field data into topography, preparing as-built drawings, reviewing contractor revisions, and checking plans for completeness and accuracy. He also develops presentations and drawing packages for coordination with local agencies and stakeholders. His design toolset includes AutoCAD, Civil 3D, Bluebeam, EPANET, HEC-RAS, Geo5, and Lumion 3D, enabling him to support engineers in a

Arizona Department of Environmental Quality (ADEQ) wide range of civil design applications. His background in field validation and quantity computation further supports robust and cost-aware design documentation.

List job-related certifications, training, and education:

Education

• BS. Civil Engineering. Ateneo de Davao University.

Arizona Department of Environmental Quality (ADEQ)

Answer all questions thoroughly in the spaces provided. Include a Key Personnel form (limit of one page) for each key personnel. Complete this form in full for each proposed key personnel to be involved in performing the services, carrying out the work. It is essential that the Contractor is capable of providing adequate staff of experienced certified/qualified personnel, capable of providing the services to be performed under this contract. If there are more than ten (10) Key Personnel, please utilize the same form for each additional Personnel by making copies of this page as needed.

1 Name: Jacob Guise Job title: Project Manager

Location of Staff (local or out of state): Out of State

Staff Level of Services per Pricing Sheet: Project Manager I

Length of employment with the company: 2 years Length of time in current role: 2 years

Proposed percentage of overall time to be dedicated to the Services: 85 % If applicable, length of time in related experience with large local, state or federal government agencies: 7 years

Proposed position with regard to the Services: Project Manager

Proposed primary responsibilities with regard to the Services:

1 - Capacity Development Activities 2 - Capacity Development Activities 3 - Design of water system improvements 4 - Construction Administration & Construction Management 5 - Design of water system improvements 6 - Drinking water permit applications (e.g., ATC, AOC, APP, AZPDES) 7 - Drinking water permit applications (e.g., ATC, AOC, APP, AZPDES) 8 - Funding assistance (e.g., PPL, PFA, RD-Apply) 9 - Funding assistance (e.g., PPL, PFA, RD-Apply) 10 - Preparing Corrosion Control Assessments & Treatment Recommendations 11 - Preparing Corrosion Control Assessments & Treatment Recommendations 16 - System Evaluations 18 - Water Master Planning

Describe experience in performing Services similar to those that are to be assigned:

Guise has managed and contributed to a wide range of water and wastewater infrastructure projects, focusing on feasibility studies, hydrologic and hydraulic modeling, environmental assessments, and long-term planning. His experience includes leading the preparation of a federally aligned Drought Contingency Plan for the City of Kingman, coordinating permitting and technical documentation for the Richmond Temporary Sewage Holding Tanks project, supporting stormwater and wastewater infrastructure planning for the City of Santa Rosa and Rancho Cordova, and contributing to the design and implementation of a regional stormwater capture facility in Los Angeles County. He has also developed Phase I and II Environmental Site Assessments for the City of San Pablo and conducted detailed hydrology studies for residential development in Pilot Point, TX. Across these efforts, Guise has demonstrated a strong ability to integrate technical analysis with regulatory strategy and capital improvement planning. (Scope 1,3,5,16 and 18)

Arizona Department of Environmental Quality (ADEQ)

Guise is a water resources engineer with proven project management experience in delivering infrastructure solutions for stormwater, wastewater, and water supply systems. Specializing in integrating technical analysis, regulatory compliance, and capital improvement planning to support long-term, sustainable outcomes for public agencies.

List job-related certifications, training, and education:

Education

• BS. Environmental Engineering c. Biological and Chemical Processes. University of Delaware.