Gillespie Prudhon Associates Inc

Engineering Excellence Since 1980

About the firm

Gillespie, Prudhon & Associates, Inc. (GP&A) is a comprehensive telecommunications engineering and implementation provider based in Clackamas, Oregon. For over 40 years, GP&A has delivered engineering services to utility and government clients throughout the United States. The practice combines innovative technologies and time-tested methods to minimize downtime while meeting system and project requirements. Clients select GP&A for its experience in the design and implementation of terrestrial microwave systems, earth stations, satellite links, lightwave networks, and fiber optic systems.

Established: 1980
Firm type: Civil Engineering · Telecom / RF Engineering · Owner's Engineer

Credentials

Rural Broadband ReConnect Certified

Capabilities

Telecommunications Engineering

Service website

Engineering design and layout for telecommunications transmission systems and networks.

Transmission Engineering
Telecommunications Transport
Voice & Data Switching
Multiplex & Baseband Design
Fiber Optic System Design
Two-Way Radio System Design
MAS System Design
System Layout & Design
System Design & Provisioning

RF Engineering

Service website

Radio frequency engineering services, including path design, coverage analysis, and spectrum coordination.

RF Coverage Studies
RF Path Design & Survey
Frequency Coordination
Propagation Studies

System Integration

Service website

End-to-end integration of telecommunications systems spanning terrestrial microwave networks, earth stations, satellite links, fiber optic systems, wireless voice and data networks, and point-to-multipoint systems. The practice manages design, equipment procurement, field installation, alignment, and testing.

Civil Engineering and Construction

Service website

Civil site planning and design support for telecommunications infrastructure, towers, and related facilities.

Civil Site Planning, Engineering, and Construction

Field Services

Service website

Onsite technical services, including construction inspection, system alignment, maintenance, and testing.

Field Installation, Alignment, and Maintenance
Fiber Optic Splicing and Field Testing
Installation Inspection Services

Regulatory and Compliance Services

Service website

Consultation and administration services to ensure compliance with federal, state, and local regulatory bodies.

FCC Licensing
FAA Determination
NERC-CIP Consulting
Land Acquisition & Use Permits
Technical Reports

Project Management and Consulting

Service website

Comprehensive advisory services, bid evaluation, issue management, and owner's representative roles for communications infrastructure projects.

Owner's Engineer Services
Proposal Evaluation
Issue Management

Studies and Analysis

Service website

Analytical feasibility, traffic, and spectrum studies to inform long-term telecommunications planning.

Economic Feasibility Studies
Traffic Studies

Industries

Federal · Government · Oil & Gas · Power Generation · Electric Utilities · Telecommunications · Utilities

Projects

Oregon Coastal Cascade & Willamette Valley Microwave Radio Update

Oregon Coastal Cascade Range and the Willamette Valley, OR · Electric Utilities · Client: Confidential Regional Utility

Project details

An overbuild and construction project updating a regional utility's legacy Harris Microwave Radio system. The work encompassed microwave path engineering, equipment procurement for DC power systems, microwave radios, antennas, and feed lines, alongside FCC frequency coordination and licensing across five paths and six sites.

Red Butte - Sigurd 345 kV Transmission Line Fiber Optic Splicing

Milford, UT · Electric Utilities · Client: Confidential Electric Utility

Project details

Engineering, preparation, and splicing of new 48-fiber OPGW cable, including mounting splice cases and slack loops on new structures. The project also involved engineering an underground ADSS cable installation to bore under an LNG pipeline, establishing a 3-mile fiber spur distribution structures into Milford Substation, and performing end-to-end OTDR and power meter testing.

Oquirrh to Clover 345 kV and 500 kV Transmission Lines EPC

Oquirrh to Clover, UT · Electric Utilities · Client: Confidential Electric Utility

Project details

An Engineer-Procure-Construct (EPC) project delivering engineering and installation services to install ADSS and splice OPGW/ADSS fiber cable on new 345 kV and 500 kV transmission lines. The scope of work included building an intermediate fiber repeater station, creating splice plans, communication design, testing, and a complete regeneration site implementation featuring equipment shelter, OC-48 drop/insert electronics, and AC/DC power backup.

900 MHz SCADA System Preliminary Evaluation and Design

Pacific Northwest · Electric Utilities · Client: Confidential Large Regional Utility

Project details

Professional engineering services evaluating and designing a 900 MHz SCADA system. Deliverables included evaluating current and planned systems, conducting onsite surveys, executing system throughput and spectrum needs analysis, conducting coverage analysis, and obtaining FCC and Department of Defense Joint Spectrum Center preliminary coordination and licensing.