Comprehensive Multidisciplined Engineering and Survey Solutions

From capital improvement plans and integrity management to maintenance solutions, third-party pipeline impact relocations, and authorization for expenditure studies, we are committed to delivering reliable services throughout the project lifecycle.

Chemical/Process Design

Where Precision Meets Innovation
With vast experience in chemical/process design across various industries, AEDES’ expertise extends across a spectrum of vital functions, from crafting comprehensive documentation to conducting intricate analyses.


Documentation and Analysis
  • Process Flow Diagrams (PFDs)

  • Process & Instrumentation Diagrams (P&IDs)
  • Cause-and-Effect and Material-of-Construction Diagrams
  • Process Safety Management (PSM), including Hazops and Safety Integrity Reviews
Specialized Calculations
  • Transient Heat Transfer
  • Fluid Flow
  • Specification and Design of Process Vessels
  • Specification, Design, and Sizing of Pressure Relief and Control Valves
Gas Processing Plant Design
  • Cryogenic/Refrigeration Plants
  • Heater Treaters
  • Fractionation Trains
  • Dewpoint Plants
  • Isomerization
  • Dehydration (Molecular Sieve and Triethylene Glycol)
  • Compressor Stations
  • Design and Rating of Heat Exchangers
  • Analysis and Design of Flares and Atmospheric Vent Stacks
Wastewater Treatment for Oil and Gas Projects
  • Sour Water Stripping
  • Fracking Water Recycling and Reuse

Mechanical/Piping Design

Robust and Customized Mechanical and Piping Solutions
From intricate loading and offloading terminals to the design of tank farms, valves, ad piping systems, AEDES' expertise encompasses the entire spectrum of mechanical and piping solutions.


Process Facility Design
  • Process Flow Diagrams (PFDs)
Process & Instrumentation Diagrams (P&IDs)
  • Truck/Rail/Marine Loading/Offloading Terminals
  • Tank Farms, Receiving and Launching Traps, Meters and Provers, Valves and Piping
  • Pumping Stations, Valve Junctions, Main Line Pumps, Booster Pumps, EFRD Sites, Vapor Recovery, LACT Skids, and Compressors
Engineering Services
  • System Modifications, Tie-Ins, and Hot Taps
  • Procurement Services: Bills of Materials, Specifications, Data Sheets, and Bid Evaluations
  • Piping System Sizing, Layout, and Design
  • 2D and 3D Design
  • Hydraulic and Surge Analysis
  • Pipe Stress Analysis
Utility Plant Design
  • Design of Compressed Air Systems, Equipment, and Distribution Piping
  • Design of Central Utility Plants: Boilers, Chillers, Process Steam and Cooling Water Distribution
  • Design of HVAC and Industrial Ventilation Systems and Ductwork for Process Buildings/Facilities
Customized Design for Processing
  • Design Customized for B31.3/B31.4 Liquid Hydrocarbons, B31.8 Gas, LPG, and LNG Processing

I&C and Automation Design

Ensuring a Seamless Integration of Cutting-Edge Technologies into Projects
Starting from the foundational stage of P&ID development to the intricacies of instrument selection and control valve sizing, we meticulously craft solutions to optimize operational efficiency.


Engineering and Design
  • P&ID Development
  • Instrument List
  • I/O List
  • Instrument Selection
  • Control Valve Sizing
  • Wiring Design (Schematics, Interconnection Diagrams, 
Loop Diagrams)
  • Instrument Installation
  • Function Specifications / Control Narratives
  • Cause and Effect Diagrams
  • HAZOP (Participation, Mediation)
  • Control Panel Design and Fabrication
  • Specification Development
  • DCS and PLC Programming
  • Flow Computer Programming
  • HMI Programming
  • Data Mapping for Microprocessor-based Equipment and Devices
Field Services
  • Factory Acceptance Testing
  • Startup and Commissioning
  • Instrumentation Setup, Calibration, Troubleshooting
  • Flow Meter Calibration
  • Process Facility Operation
  • Pre-Startup Inspections
  • Loop Checks
  • SCADA Point to Point

Electrical Design

Innovative and Reliable Solutions
From conducting intricate electrical system modeling, analysis, and calculations to designing substations and medium- to low-voltage power distribution and industrial facilities, we bring exceptional expertise to each project.


Power System Modeling and Analysis.
  • Electrical System Modeling
  • Analysis and Calculation
  • Arc Flash Analysis and Mitigation
  • Harmonics Analysis
  • Equipment Evaluation
  • Relay/Fuse Coordination Studies
  • Protective Relay Programming
Power Distribution and Systems
  • Substations
  • Medium- and Low-Voltage Power Distribution
  • Emergency and Standby Power Systems
  • Equipment and Cable Specifications
  • Above and Belowground Raceways/Cable Tray
  • Microgrids
  • Utility Coordination
  • Renewables Integration
  • Energy Monitoring and Management
Safety and Critical Systems
  • Life Safety
  • Mission Critical
  • Production Standby
Integrated Systems and Controls
  • Lighting Systems and Controls
  • Data and Telecommunications Systems
  • Lightning Protection
  • Fire Alarm
  • Plant Paging
  • Emergency Communications
  • Security Systems (CCTV / Access Control / Intrusion Detection)
Procurement and Field Services
  • Suppliers’ Bids & Proposals Management
  • Technical Bid Analysis and Recommendations
  • Expediting
  • Factory Acceptance Testing
  • Assess Existing Equipment
  • Lighting Surveys
  • Hazardous Location (Area Classification) Assessment
  • Equipment Operation Procedures
  • Protective Relay Programming
  • Pre-Starup Inspections

Civil Design

A Holistic Approach to Civil Projects
Navigating diverse projects with meticulous expertise, we handle tasks ranging from site grading and stormwater management to hydrologic studies and wetland mitigation.


Engineering and Design
  • Site Grading (including Cut/Fill Analysis)
  • Access Road/Driveway Design
  • Stormwater Management Design
  • Storm Drainage Piping and Channel Design
  • Erosion and Sediment Control Design and Drawing Preparation
  • Hydrologic and Hydraulic (H&H) Studies, Floodplain Analyses, Stream Relocations
  • Wetland Mitigation Design
  • Traffic Control Plans
  • Property Plats and Easement Documents (including metes and bounds descriptions)
  • Survey (Topographic, As-built, Property)
  • Local Land Development, Zoning, and Building Permits
  • State NPDES Permits
  • Railroad Permits
  • Highway Occupancy Permits
  • FAA Permits
  • FERC Approvals
  • Post-Construction Stormwater Management Plans
  • Stormwater Pollution Prevention Plans (SWPPP)
  • Dewatering Plans
Pipeline Engineering and Design
  • Pipeline Routing with various pipe materials, diameters, and fittings
  • Feasibility, Alternatives, and Constructability Studies
  • Build 3D models of subsurface conditions and geological data. Coordinate Geotechnical data
  • Right-of-Way Coordination
  • Create digital models of topography (DTM) for various purposes
  • Pipe Stress Calculations (Internal Design Pressure, Highway, Railroad, Construction, and Earth Loading)
  • Horizontal Directional Drilling (HDD) Design
  • Inadvertent Return Risk Analyses
  • Steep Slope Construction Design
  • In-Service Relocations/Line Lowering
  • Class Location and HCA Studies for NG
  • Foreign Utility Coordination
  • Subsurface Utility Investigations

Structural Design

Structural Solutions that Blend Resilience with Precision Across a Spectrum of Engineering Challenges
Utilizing finite element modeling for static and dynamic analyses, along with vibration analysis and isolation design, we guarantee structural resilience and performance.


Static and Dynamic Analyses, including Finite Element Modeling
  • Vibration Analysis and Vibration Isolation Design
  • Seismic Evaluation and Design
Design of Reinforced Concrete Foundations and Structures
  • Slab-On-Grade and Structural Slab Design, including Super-Flat Floors
Design of Steel-Framed Structures
  • Platforms, Catwalks, and Crossovers
  • Piles and Piers
  • High-Bay Structures and Overhead Cranes
  • Pipe Racks and Cable Tray Supports
Structural Design for Manufacturing, Storage, Process, and Office Buildings
  • Steel Framing
  • Reinforced Concrete


Mapping the Future with Expert Surveying Capabilities
Our surveying strengths lie in comprehensive baseline surveys, including route alignment, site boundaries, and topographic assessments, utilizing cutting-edge tools such as Blue Sky Development Skyline software and LiDAR mapping.


Baseline Surveys
  • Route Alignment, Site Boundary, and Topographic Surveys
  • Aerial and Light Detection and Ranging (LiDAR) Mapping (3D Point Clouds)
Geospatial Technology and Networks
  • Alignment Drawing Preparation using Blue Sky Development Skyline Software
  • Global Positioning System (GPS) Networks
  • Right-of-Way (ROW) Surveys
Legal Surveys and Documentation
  • Cadastral and Land Title Surveys
  • Legal Plats, Land, and Easement Descriptions
Field Operations and Inventory Surveys
  • Field Alignment Stakeouts and Calculations
  • As-Built Inventory Surveys (in both 2D and 3D)
  • Creation of Weld Maps


Holistic Project Planning Approach to Minimize Environmental Impacts
From multi-agency permitting and coordination to ecological restoration, our comprehensive approach ensures a seamless integration of development and environmental responsibility.


Regulatory Compliance and Permitting
  • Permitting and Regulatory Analysis
  • FERC Resource Reports and Compliance
  • NEPA Documentation (CE’s, EA’s, EIS’s)
Assessments and Studies
  • Preliminary Site Investigations
  • Wetland Delineation
  • Wetland/Stream Functional Assessments
  • Water Resource Studies/Macroinvertebrate Sampling
  • Habitat Assessments
  • Tree Surveys
  • Phase I/II Environmental Site Assessments for Contamination
Resource Management
  • Environmental Resource Management System
  • Cultural Resource Coordination
  • Threatened and Endangered Species Coordination
  • Impact Assessments/Minimization
Restoration and Monitoring
  • Construction Services/Environmental Inspections
  • Wetland and Streambank Restoration/Remediation/Mitigation Design
  • Restoration Monitoring and Post-Construction Monitoring