Trans-Pacific Engineering Corporation


TPEC's focus is to provide high quality, cost-effective engineering expertise for a wide range of environmental projects.

The following is a general overview of our services:

Engineering Design

  • Conceptual Design

  • Detailed Engineering

  • Permitting

Process Evaluation

  • System Evaluation

  • Feasability Study

  • Treatability Study

  • Pilot Test

Site Investigation

  • Phase I and II Environmental Audits

  • Site Characterization

Field Implementation

  • System Installation/Oversight

  • Start-up

  • Operation and Maintenance

  • Operation Training/Technology Transfer

environmental/chemical engineering

Water and Wastewater Treatment Applications

  • Waste Minimization: Industrial Waste Pretreatment

  • Wastewater Collection and Treatment

  • Water Treatment and Distribution

  • NPDES Permits: System Modifications/Upgrades

Hazardous/Solid Waste Management Applications

  • Environmental Assessments

  • Remedial Investigation/Feasibility Study

  • CERCLA/SARA (Superfund) Site Remediation

  • Landfill Design and Leachate Treatment

  • Incineration Facility Design

  • Hazardous Waste Treatment and Disposal

  • Onsite Bioremediation

  • RCRA/ECRA Permits

  • SPCC/PPC Plan

Groundwater/Soil Remediation Applications

  • Groundwater Modeling

  • Container Loading/Plume Analysis

  • In-Situ, Ex-Situ Remediation Technologies

  • Soil Vapor Extraction

  • Air Sparging

  • Bioventing

  • Groundwater Treatment System Design

  • Regulatory Compliance Assistance

Air Pollution Control Engineering Applications

  • Source Emissions Characterization

  • Air Quality Modeling

  • Wind Tunnel Modeling

  • Pollution Control System Engineering

  • Air Permitting

UST and AST Management Applications

  • Leak Detection Testing

  • Storage Tank Removal/Closure

  • New Tank Facility Design

  • Permit Application

  • Secondary Containment System Design

  • Tank Installation Oversight

environmental site assessment (ESA)

TPEC has extensive experience in conducting Environmental Site Assessments (ESAs) for commercial, industrial, and residential sites throughout the United States. Assessments are conducted in accordance with ASTM E1527. Record review typically includes historical topographic maps, flood fire insurance mapping, land use mapping, permit records, state environmental records, and federal and state radius databases. Site reconnaissance typically includes visual observation of the interior and exterior of the present structure, property periphery, and adjacent properties.

property condition assessment (PCA)

TPEC has conducted numerous Property Condition Assessments (PCAs) for various commercial, industrial, and residential sites throughout the United States. The general scope of services includes evaluation of site characteristics, building structure/architecture, mechanical, electrical and plumbing (MEP) systems, conveyance systems, life safety/fire protection systems, and ADA/code compliances.

civil/architectural engineering

TPEC is a multi-disciplined, closely coordinated group providing complete engineering services for a wide variety of environmental projects. Related environmental services provided by TPEC include the following:

  • Water Resources Engineering

  • Structural Engineering

  • Electrical Engineering

  • Mechanical Engineering

  • Architectural Engineering

overseas technology transfer

TPEC can transfer state-of-the-art United States technology to other countries through:

  • Established relationships with vendors

  • Multilingual capabilities

  • Extensive engineering design experience

  • Direct experience with the newest equipment

  • Convenient access to leading US technology

The equipment listed below is only representative of the technology that TPEC can transfer:

Water and Wastewater Treatment

  • Packaged wastewater treatment plants

  • Bar screens

  • Anaerobic/aerobic bioreactors

  • Sludge dewatering and thickening

  • Sand filters

  • Activated carbon systems

  • Chemical feed systems

  • Raw sewage pumps

  • Diffusers

  • Chain and flight collectors

Air Pollution Control

  • Incinerators

  • Wet scrubbers

  • Stack emission monitoring

  • Fans and blowers

  • Pneumatic transport systems

  • Baghouse filtration systems

Hazardous Waste Management

  • Soil vapor extraction equipment

  • Groundwater extraction pumps

  • Product recovery monitors

  • Leak detection monitors

  • Groundwater pump and treat systems

  • Air strippers

  • Instrumentation and control panels

  • Oil/water separators

  • Activated carbon systems

  • Bag filters

  • Thermal oxidizers

Tank Management System

  • Double-wall storage tanks

  • Leak detection monitors

  • Integrated control systems

  • Level monitoring systems

land development

There's a lot that goes into transforming a piece of land into a home, business, or institution. We have the expertise to help your project run smoothly and efficiently from start to finish. Whether you want to just expand your parking lot or build a massive subdivision, Trans-Pacific Engineering Corporation is dedicated to providing the highest quality design that is both economical and consistent with current regulatory requirements.

Our Land Development Services include:

  • Feasibility Studies

  • Site Layout Design

  • Grading Design

  • Stormwater Management Design

  • Erosion and Sediment Control Design

  • Utility Layout Design

  • Landscape and Lighting Design

  • Local, County, and State Permitting

communications, outreach & planning

TPEC staff also work in-house at Philadelphia Water (PWD) on the nation's leading Combined Sewer Overflow Long Term Control Plan "Green City, Clean Waters," among a variety of other water resource related initiatives. Staff supports PWD's Office of Watersheds and the Public Affairs Division. The scope of work ranges from creative communications, community outreach and partnership development to policy-making, environmental planning and regulatory compliance.