excellence in engineering • environmental stewardship • integrity • compliance

Local and woman owned engineering firm providing professional civil engineering services throughout the CNMI.

Planning
Design
Management

Excellence You Can Count On

We are committed to excellence in managing engineering services, environmental stewardship, and professional integrity, while fostering a collaborative and inclusive workplace culture that promotes growth and prosperity for all.

Our mission is to provide clients with dependable, results-focused solutions that are both cost-effective and tailored to their unique needs, ensuring excellence and reliability in every engagement.

innovative & sustainable solutions

Our Expertise

SPDA brings 26 years of collective experience, delivering professional and technical expertise. Our team has in-depth knowledge of the region's infrastructure and regulatory landscape, adding value to clients with unique goals and objectives.

SPDA is an industry leader providing a range of in-demand services, with a focus on developing future engineers and leaders in our community. As a federally registered contractor, we’re certified as both a women-owned and HubZone business.

Our Services

Project & Program Management

Water & Wastewater Planning & Design

Site Development Planning & Design

NEPA Compliance, Environmental Assessment, & Permitting

Subject Matter Expert

Concrete & Soil Special Inspector

Featured Work

A highlight of high level project accomplishments.

NORTHERN MARIANAS COLLEGE (NMC) RELATED PROJECTS – P/PM
CIP PROJECT MANAGER FOR THE CAPITOL IMPROVEMENT PROGRAM (CIP) OFFICE DEPARTMENT OF INTERIOR (DOI) GRANT PROPOSAL FOR THE NMC BUILDING RENOVATIONS: Provided planning, consultation, inspections and engineering related services for the preparation of the Grant Proposal for the Northern Marianas College Classrooms Repairs and Renovations, Buildings B (Science Lab), V (Proposed Classroom and Office), W and G. The proposal included the preparation of itemized scope of work required for each building, project timelines, and estimated project budget.
COMMONWEALTH PORTS AUTHORITY (CPA) RELATED PROJECTS – S/CM
Saipan International Airport Taxiway B and H Rehabilitation Project- CONSTRUCTION MANAGEMENT: Provided full CM Services for the Construction of the Saipan International Airport Taxiway B and H Rehabilitation Project. This project was completed on time with minimal complications, cost savings, and added value to the CPA.
Takeover Agreement of Tinian International Airport Terminal Improvement Project
Saipan International Airport Taxiway B and H Rehabilitation Project- CONSTRUCTION MANAGEMENT: Provided full CM Services for the Construction of the Saipan International Airport Taxiway B and H Rehabilitation Project. This project was completed on time with minimal complications, cost savings, and added value to the CPA.
Rota Aircraft Rescue and Fire Fighting (ARFF) Building Improvement Project
Saipan International Airport Taxiway B and H Rehabilitation Project- CONSTRUCTION MANAGEMENT: Provided full CM Services for the Construction of the Saipan International Airport Taxiway B and H Rehabilitation Project. This project was completed on time with minimal complications, cost savings, and added value to the CPA.
Rota Runway Marker Replacement Project
FEDERAL CONSISTENCY REVIEW (NEPA): E, FEDERAL CONSISTENCY REVIEW (NEPA): Performed Federal Consistency Review for the Rota Runway Marker Replacement Project, Commonwealth Ports Authority.
Tinian Airport Brown Tree Snake Containment
Commonwealth Ports Authority / Capital Improvement Program (CIP). Preparation of plans for the construction of tree snake containment system.
CMS Kannat Tabla Quarry
ENVIRONMENTAL AND PERMITTING: Conduct site inspections, research and coordination of biological surveys for the preparation of an updated EIA, Quarry Operation and Benching Plan and Quarry Reclamation Plan for permit compliance and CRM Quarry Operation Permit renewal.
Saipan Garden Resort, American Sinopan
ENVIRONMENTAL ASSESSMENT AND PERMITTING, American Sinopan, Saipan. Conducted project coordination with design team, biologists, archaeologist, and regulatory agencies for the preparation of Environmental Impact Assessment and regulatory permits for construction of the resort development. Review all documents for regulatory compliance and resolve issues. Coordinate and provide technical support for presentations and public hearings.
AC Pacific 3-Story Warehouse & Office Building and Parking Lot Extension
PRIME ENGINEER FOR THE A/E, PERMITTING, CONSTRUCTION MANAGEMENT: Performed A/E design coordination for warehouse building extension, civil site development plans, erosion control and stormwater management, parking and drainage improvements, permitting and inspection, reporting, and coordination during construction.