Projects

69kV Transmission Line Extension

Transmission Line Engineering

Scope of Work

• Completed design to extend a 69kV line 15-miles to a new substation
• Designed 400 new steel direct embed poles supporting 477 ACSR and OPGW static
• Executed two new steel engineered poles on foundations for railroad crossing
• Existing distribution assets were designed to be transferred onto the new steel poles
• Completed four one-way switching structures at tie-in junctions

Deliverables

• Preliminary design, detailed design and construction package
• Drawings – plan and profile, framing drawings, bill of materials, drilling details, engineered pole loading tree drawings, foundation drawings, easement drawings, tree clearing drawings
• Studies – PLS-CADD model, monopole structure analysis, stringing, shielding protection
• Review vendor drawings for engineered poles, equipment, and drilling locations
• Construction and permitting support
• Incorporate as-built drawings post-construction

GIS Support

• Subsurface utility engineering level D utility locates were enhanced by digitizing both above-ground and below-ground infrastructure
• Developed a GIS web application that visualizes the entire 15-mile corridor
• The app integrated 2D mapping and 3D LiDAR survey data to improve cross-team collaboration, increase data transparency, and support more informed decision-making throughout the project lifecycle

138kV Substation Expansion

Substation Engineering

Scope of Work:

• Completed design to interconnect new 25MW battery & 100MW solar facility to existing substation
• Expanded existing 138kV ring bus and add one new 138kV breaker position
• Required temporary configuration of existing 138kV line to facilitate construction
• Engineered two new monopoles and one H-frame to reconnect transmission line to expanded station
• New control building with new fiber connection to support protection and controls, and telecommunications

Deliverables:

• Detail design and construction package
  • Drawings – demolition, protection and control, physical, civil, transmission line with load trees
  • Studies – ground grid, foundations, substation structures, transmission line structures
  • Review vendor drawings for equipment, engineered structures, and calculations
• Construction support
• Incorporate as-built drawings post-construction

Project Highlights:

• Orbital Engineering navigated precise construction sequencing including temporary configurations to enable site build out while limiting downtime. Design included the relocation of existing transmission line to successfully expand the substation for the new solar and battery facility interconnection.

345k Double Breaker Interconnect Substation

Construction Management

Scope of Work:

• Managed project construction through all phases of the greenfield build including civil work, below grade (ground grid, foundations, cable trench), and above grade (H-frame and steel erection, equipment setting, bus install, inside wiring, and incoming line stringing) 
• Provided safety, environmental, and quality oversight

Deliverables:

• On-site safety audits
• Daily progress reports
• Schedule tracking and input
• Requests for Information
• Non-conformance reports
• Facilitation of material deliveries/returns
• Third-party contractor coordination
• Commissioning support

Project Highlights:

• The two-year project was delivered on budget and on schedule with strong stakeholder engagement throughout its lifecycle. With no safety incidents and multiple contractors involved across major construction phases, Orbital successfully navigated complex coordination and handoff challenges by applying deep technical expertise and maintaining strict alignment with owner processes and procedures.

Management Programs

Construction Management

Roles and Responsibilities

• Enforce stop work authority
• Hold construction crews accountable for compliance with owner safety processes
• Oversee execution of daily job safety briefings
• Ensure adherence to all site-specific safety and environmental plans
• Investigate and report on incidents
• Ensure required permits are maintained
• Support pre-construction planning, review drawings and bill of materials to avoid delays
• Oversee schedule performance and contribute to the development of schedule recovery plans
• Monitor construction quality by verifying compliance with drawings and specifications and preparing non-conformance reports
• Facilitate the request for information process
• Coordinate material and equipment deliveries
• Manage material inventory
• Support subcontractor assignments
• Maintain organized project records such as redlines, photos, and equipment data for final turnover at project closeout

Program Highlights

• Orbital supports investor-owned utilities throughout the country with dedicated teams of construction managers and quality management professionals. With nearly 100 boots-on-the-ground resources, Orbital’s construction management teams play a critical role in the safe and successful execution of more than $750MM in construction work annually. Through robust onboarding and continuous education programs, Orbital’s teams have the capability to support a variety of projects including new build substations, substation equipment upgrades, new build overhead transmission and distribution lines, grid modernization, underground cable replacement, overhead and underground fiber builds, and communications structure erection.

Inlet/Outlet Valve Evaluation

Natural Gas

Scope of Work

• Performed GIS and records-based analysis of 1,617 gas regulating stations
• Evaluated compliance with inlet/outlet critical valve design standards
• Validated valve data from GIS and Maximo using spatial analysis and attribution logic
• Assigned station risk ratings based on valve presence, type, and quantity
• Developed formal reclassification, design, and investigation workflows for 1,100+ non-compliant stations
• Recommended future valve placement or conversion to critical designation using industry standards

Deliverables

• Executive summary and class 5 capital planning estimate
• G.A.C.-coded dataset with risk priority assignments 
• Planning template outlining time estimates by station priority level
• Engineering design trigger list for non-compliant or undocumented stations
• Reclassification workflow diagram and phase 3 execution guidance
• GIS shapefiles for pipelines, stations, valves, and analysis overlays
• Maximo/GIS data cleanup recommendations and asset tracking integration

Project Highlights

• The team analyzed 1,617 stations across the service territory, finding that approximately 32% were compliant, 44% required formal design, and 24% were convertible through reclassification. They introduced a desktop validation and G.A.C. priority framework to streamline program actions, supported program execution with valve planning templates and phase 3 task sequencing, and applied the client’s gas standard for valve design criteria to maintain emergency access compliance.

Odorant Replacement Project

Natural Gas

Scope of Work

• Replaced aged odorant injection system, storage tank, containment, and building at gate station
• Decommissioned and remove existing and abandoned odorant systems and associated infrastructure
• Developed and install new odorant system including shelter, piping, controls, foundations, and electrical
• Coordinated full engineering lifecycle: design, demolition, procurement support, construction oversight, and commissioning
• Executed project within defined shut-in window to maintain system reliability and operational continuity

Deliverables

• Redlined piping and instrumentation diagrams, 3D model, isometric piping drawings, construction bill of material, and valve tie-in lists
• Civil, mechanical, structural, and electrical drawings
• Demolition drawing packages with mechanical, electrical, and instrumentation and controls scopes
• Procurement packages for tank, building, odorant system, and temporary odorization
• On-site construction support, contractor coordination, and commissioning oversight
• Final documentation including updated drawings, redlines, and closeout package

Project Highlights

• The project executed a full odorant system replacement within a limited five-month shut-in window, managing the demolition of two systems in parallel with the new installation to maintain site layout. The team proactively coordinated a temporary odorization option in case of commissioning delays, provided continuous oversight from initial design through construction and as-built documentation, and supported the development of long-term record drawings and standardized site files for future reuse.

Federal Funded Maintenance Program Management

Natural Gas

Scope of Work

• Lead multi-year remediation program targeting pipeline crossings, attachments, station coatings, and vehicular protection
• Developed and manage program execution for both distribution and transmission assets
• Coordinated engineering design, field documentation, and construction oversight
• Implemented phased strategy to address incomplete records, stakeholder coordination, and environmental constraints
• Updated scope to reflect evolving regulatory standards and risk assessments

Deliverables

• Engineering design packages for crossings, coatings, and protection devices
• Document control system for tracking as-builts, construction status, and compliance
• Quality assurance and quality control oversight during construction with daily/weekly field documentation
• Program tracking tools for budget, schedule, and asset-level progress
• Stakeholder communication framework to support utility, municipal, and contractor coordination
• Lessons learned and continuous improvement reports

Project Highlights

• The project successfully remediated all 23 targeted sites, and in 2024 the program expanded to include additional station coating and vehicular protection scope. The initiative supports the long-term goal of remediating over 800 assets by 2026, with an adaptable framework that accommodates evolving scope and shifting regulatory focus, providing full lifecycle support from design through construction, quality assurance, quality control, and final documentation.

10,000 FT Medium Pressure Steel Main Replacement

Natural Gas Utilities

Scope of Work

• Completed design to replace 10,000 feet of medium-pressure steel main with polyethylene (PE) piping in an urban like corridor
• Coordination with both county and municipal jurisdictions for permitting and right-of-way
• Compliance-driven design schedule to support regulatory deadlines

Deliverables

• Detailed engineering and construction drawing package 
• Documentation – bill of materials, trenchless forms, pressure test forms, service orders, corrosion analysis, constructability review, environmental compliance plan
• Construction support – request for information responses, design updates, tie-in plan procedures and drawings, and permitting clarifications

Project Highlights

• The project encompassed a large scope within a dense, urban-like environment, requiring multi-jurisdictional permitting across city and county agencies. A tight compliance timeline necessitated expedited design and coordination.

138kv Substation Modification To Accommodate New Generation Tie Line

Substation Engineering

Overview

• Location: Indiana
• Client: Midwest investor-owned utility
• Timeline: 12 Months

Scope

• Design expansion of existing substation yard to the west
• Design expansion of existing 138kv ring bus to the west. add new 138kv breaker position
• Design new 138kv h-frame structure to accommodate the new incoming 138kv line
• Design transmission line interconnection from first pole outside of the substation to the new h-frame
• Perform grounding study and design grounding improvements for the substation
• Design new control building to house new relay and metering panels
• Design fiber interconnection with existing communications system

Department Of Transportation (DOT) Project

Electric Distribution Engineering

Scope of Work

• Construction design for the relocation of existing 25kV sub-transmission and 15kV distribution overhead utilities to accommodate Department of Transportation (DOT) highway modifications and widening
• Coordinated with Department of Transportation (DOT) and other utilities for phased construction approach
• Facilitated and obtained private right of ways for new utility structures and easements
• Completed forestry efforts
• Designed demolition of existing facilities and distribution equipment
• Provided engineering support for highway rated underground utility designs

Deliverables

• Site visits to scope and assess constructability of relocations
• Produce a detailed design and construction package (cost estimate, design sheets, design maps, bill of material, circuit diagram, and material reservation using client work management application)
• Coordinate easement and permit research and secure permits with local and state jurisdiction
• Create and distribute construction packets
• Provide design support during construction

Project Highlights

• Orbital upheld all Department of Transportation (DOT) cost and schedule commitments throughout this multi-year effort, which began prior to 2020 and continued through COVID-era restrictions. When the utility partner faced internal resource limitations, Orbital stepped in to provide critical design and engineering support, keeping the project on track and maintaining construction momentum.

34kV Breaker Replacement Program

Substation Engineering

Scope of Work

• Replace four 34kV circuit breakers
• Adaptation to re-use existing foundation
• Replace seven disconnect switches
• New cable trench
• Upgrade bus differential relaying and transformer relaying

Deliverables

• Detail design and construction package
  • Drawings – demolition, protection and control, physical, civil and structural
  • Review vendor drawings for breakers, disconnect switches, and cable trench
  • Material procurement support
• Construction support
• Incorporate as-built drawings post-construction

Project Highlights

• Orbital Engineering provided full engineering services for the breaker replacement program, including management of multiple sites, coordination of equipment ordering, and completion of required protection upgrades.

Railroad Loading Stations

Specialty Chemical

Scope of Work

• Project added six new sulfuric acid railcar loading stations to the existing chemical facility
• The additional stations and gangways were added along with new piping, pumps and instrumentation for facility operations

Deliverables

• Navisworks model, general arrangement drawings, piping plans and isometrics
• Steel drawings for extension of the existing loading area and moveable gangways to accommodate railcars of different sizes
• Single line diagrams, power plans, conduit plans, lighting plans, grounding plans, cable and conduit schedules
• Instrument location plans, wiring diagrams, loop diagrams, instrument datasheets
• Scope of work documents for installation

Project Highlights

• Railcar logistics drastically reduced costs over existing tanker transport means.
• Total Installed Cost (TIC) – $8MM

Natural Gas Processing

Natural Gas

Scope of Work

• Demolition of existing natural gas storage well metering and withdrawal dehydration systems at two adjacent sites, reconfiguration of existing system at one of the sites and tie-in of all wells to new dehydration, metering and pressure regulation
• In addition to multi-discipline engineering for all disciplines, Orbital supported procurement activities through bid reviews, technical bid evaluations and vendor document reviews

Deliverables

• Process Design Basis, PFDs and P&IDs,
• Revised Site Plan incorporating changes for storm water runoff and drainage, fencing and landscaping
• Navisworks model, general arrangement drawings, piping plans and isometrics
• Foundation and steel drawings for supporting the new equipment and buildings
• Single line diagrams, power plans, duct bank and cable tray plans, lighting plans, grounding plans, cable & conduit schedules, lightning protection design, panelboard schedules
• Instrument location plans, wiring diagrams, loop diagrams, instrument datasheets
• Scope of work documents for demolition and installation

Projects Highlights

• Orbital adapted to client request to change dehydration technology early in the project and dehydration location mid-project due to permitting constraints with minimum impacts to overall schedule. All dehydration, metering, pressure regulation and waste stream storage and transfer was housed in a single Operations building.
• Total Installed Cost (TIC) – $10MM

Feed Impurity Removal

Specialty Chemical

Scope of Work

• The objective of this project was to remove the oil and grease from the incoming feed flow that is utilized throughout the plant’s operations
• With these impurities being removed prior to the feed entering the Strippers, it improved the efficiency of the production at the site
• Project included installation of two oil storage tanks and six pumps with containment with all interconnecting piping, steel and supports
• A raised MCC structure on piles and a concrete pad supported transformer was added to the east of the main project area to supply power for the project and a new Delta V Cabinet with HMI was located in the new MCC building
• The existing truck parking was relocated to the northeast along with connecting existing roadways to allow for a different exit path
• New surveillance cameras were integrated with an existing camera network located at gate to the East of the proposed parking location
• Full electrical scope included adding a 13.8kV feeder, 13.8kV/480V transformer, substation building, 480V motor control center, VFD’s, UPS, panels, control stations, lighting, grounding, and associated cable tray/conduit and cables

Deliverables 

• Revised site plan
• Navisworks model, general arrangement drawings, piping plans and isometrics
• Piping, foundation and steel drawings for supporting new tanks, pumps, MCC, transformer and piping
• Grading plans, sections and details for new roadway and parking lot
• Material requisition packages for major electrical equipment – 13.8kV switch, 13.8kV to 480V transformer, substation building, 480V MCC, UPS System
• Single line diagrams, power plans, duct bank and cable tray plans, lighting plans, grounding plans, cable & conduit schedules, area classification drawings
• Instrument location plans, wiring diagrams, loop diagrams, instrument datasheets, control narratives
• Scope of work documents for construction

Project Highlights

• Maintenance work was minimized significantly as a result of the project, decreasing downtime while increasing productivity.
• Total Installed Cost (TIC) – $120MM

Reactor Heating Process Improvement

Specialty Chemical

Scope of Work

• Orbital performed process evaluations and cost estimating for several solutions to add a new heating source to an existing reactor to allow for additional product formulation
• Following completion of FEL-2, Orbital proposed a turnkey offering for the new heat exchanger and auxiliary system upgrades to achieve the project objectives
• Orbital acted as prime for the EPC project with a mutually trusted field contractor for the client

Deliverables 

• Process Design Basis and P&IDs
• Material requisition package for the new heat exchanger
• Navisworks model, general arrangement drawings, piping plans and isometrics
• Foundation and exchanger support structure steel drawings for supporting the new heat exchanger
• Scope of work documents for installation

Project Highlights

• Installation and commissioning were completed in 10 days due to thorough constructability planning and pre-outage construction activities.
• Total Installed Cost (TIC) – $5MM

Asset Management Program for a Steel Mill Client

Steel

Scope of Work:

• Supported a major steel client in the development and ongoing evolution of their corporate asset management program
• Provided technical assistance in creating the original corporate inspection procedure and supporting subsequent revisions
• Applied decades of hands-on inspection experience across structural and mechanical assets at domestic and international facilities
• Defined and refined inspection and reporting processes used across the client’s enterprise
• Coordinated and supported field inspection operations to align with corporate standards and safety requirements
• Integrated emerging technologies and digital tools to enhance inspection efficiency and data management

Deliverables:

• Corporate inspection procedures and revisions
• Digital inspection data outputs supporting asset tracking and long-term program management
• Standardized inspection and reporting frameworks, including:
  • Defined inspection levels
  • Standard reporting formats
  • Means and methods documents for individual assets
  • Documentation protocols
    • Boundary documents

Project Highlights:

• Orbital played a foundational role in building and evolving the client’s corporate asset management program, applying decades of inspection experience to create practical, safety-focused procedures adopted company-wide. Standardized inspection levels, reporting formats, and documentation protocols improved consistency and reliability across domestic and international operations. Through ongoing inspection programs and the integration of advanced technologies such as UAS inspections and digital data management, Orbital continues to drive continuous improvement. This long-term collaboration has helped modernize inspection practices while supporting OSHA/ANSI compliance and the client’s reliability-centered maintenance objectives.

OH-Crane, Crane Runway and Building Inspection

Steel

Scope of Work:

• Performed a comprehensive technical inspection of an industrial building, crane runway system, and overhead bridge crane at a major manufacturing facility
• Verified structural integrity of building framing and crane runway support systems
• Assessed condition and alignment of crane rails, runway beams, and associated structural components
• Conducted a full OSHA/ASME-compliant overhead crane inspection during a single coordinated site mobilization
• Deployed a multidisciplinary team of structural inspectors, scanning technicians, and certified overhead crane specialists
• Utilized aerial lifts, top-side runway access, and Elios 3 caged drone technology for difficult-to-access areas
• Performed alignment verification using Total Station surveying methods
• Applied visual, hands-on, and targeted non-destructive testing (NDT) techniques
• Executed mechanical, structural, electrical, and functional testing of overhead crane components
• Provided real-time notification of critical or out-of-service safety findings

Deliverables:

• Structural inspection findings for building framing and crane runway systems
• OSHA/ASME-compliant overhead crane inspection report
• Runway alignment measurements, including elevation, sweep, span, and cross-levelness data
• Severity-ranked deficiency listings with tagged photographs and measurement documentation
• Conceptual repair sketches for identified structural and runway deficiencies
• Preventive maintenance, repair, and long-term monitoring recommendations
• Integrated inspection report capturing all findings from a single mobilization

Project Highlights:

• Orbital delivered a fully integrated, multi-discipline inspection of an industrial building, crane runway, and overhead crane system in a single site mobilization, minimizing operational disruption and eliminating the need for multiple specialty contractors. By combining structural inspection, advanced scanning, precision alignment verification, and OSHA/ASME-compliant crane evaluation, Orbital provided a complete system-level assessment of both structural and mechanical performance. The inspection identified runway alignment deviations, localized structural corrosion, and typical crane component wear, allowing Orbital’s engineering team to develop prioritized repair recommendations and conceptual solutions. This project highlights Orbital’s ability to deliver efficient, technically rigorous inspection programs that support safe, reliable crane operations in complex industrial environments.

Bridge Inspection and Turnkey Repairs

Power Generation

Scope of Work:

• Performed a comprehensive inspection of a ~1,000-foot suspension bridge spanning a major waterway
• Utilized ground-based, elevated walkway, and rope-access techniques to evaluate hard-to-reach areas
• Benchmarked findings against prior inspection reports to identify changes and new deficiencies
• Classified deficiencies by priority level to guide repair urgency and scope
• Performed engineering analysis and developed Standard Repair Procedures (SRPs) for identified deficiencies
• Coordinated access constraints, including railroad scheduling, live powerline limitations, and follow-up inspections
• Executed turnkey repair construction for the north half of the bridge, including demolition and repairs
• Provided construction coordination, safety planning, and on-site quality oversight

Deliverables:

• Phased inspection reports as segments of the bridge were completed
• A repair prioritization ranking assigned to each finding
• Standard Repair Procedures (SRPs) and engineering repair IFC drawings for Priority 1 deficiencies
• Construction coordination and quality assurance documentation
• Final inspection report and repair verification records

Project Highlights:

• Orbital delivered a comprehensive inspection and turnkey repair program for a 1,000-foot suspension bridge, combining rope-access inspection, structural engineering, and construction oversight to address complex access and safety challenges. The inspection identified 43 deficiencies, including multiple Priority 1 conditions such as widespread cracked welds, severe section loss in a primary truss chord, and extensive concrete spalling with exposed reinforcement. Orbital executed phased reporting to support timely decision-making and completed full demolition and repairs on the north half of the bridge. When lead-containing coatings were discovered mid-demolition, Orbital paused work, coordinated with regulatory agencies, and implemented a revised, compliant construction plan – allowing repairs to resume and conclude efficiently while maintaining safety, regulatory compliance, and structural integrity.

API 653 Tank Inspection and Floor Replacement

Specialty Chemical

Scope of Work:

• Performed an out-of-service API 653 tank inspection, including a Magnetic Flux Leakage (MFL) floor scan
• Evaluated tank floor condition and investigated MFL indications using ultrasonic thickness testing (UTT)
• Documented and marked areas approaching T-minimum for repair
• Developed API 653–compliant engineering designs for complete tank floor replacement
• Designed modifications to accommodate relocation of multiple tank shell nozzles
• Defined non-destructive examination (NDE) requirements associated with repairs
• Provided on-site quality assurance and quality control oversight throughout all phases of construction and repair
• Verified completion and documentation of all corrective actions
• Prepared and issued final inspection documentation confirming fitness for service

Deliverables:

• API 653 out-of-service inspection report
• MFL floor scan results and UTT verification data
• Detailed API 653–compliant repair drawings for full floor replacement
• NDE procedures and inspection requirements
• Quality assurance and quality control oversight documentation and repair verification records
• Final inspection report confirming safe, compliant return to service

Project Highlights:

• Orbital executed a comprehensive API 653 inspection and major repair program for a 99,500-gallon storage tank, identifying floor corrosion risks through advanced MFL scanning and targeted ultrasonic testing. Early detection of low-thickness areas approaching T-minimum allowed Orbital to design proactive repairs before loss of containment could occur. The project required complete tank floor replacement and the relocation of multiple shell nozzles – complex modifications successfully delivered through Orbital’s integrated inspection, engineering, and quality assurance and quality control oversight. The repairs restored the tank to a safe, compliant operating condition, extended its remaining service life, and reduced the client’s risk of unplanned outages and future repair costs.

New Robotic Machine

Steel

Scope of Work

• Coordinated with client and vendor for installation of innovative robotic system that flames away all surface defects from the face, sides, edges, and corners of the slab, of any length, width, thickness or deflection to meet the mill’s total conditioning requirements
• Primary process equipment for the project includes scarfer, slab turner, and transfer cars
• Orbital provided multi-discipline engineering and design services for the installation deliverables to support construction of the facility

Deliverables

• Site plan including tie-ins to sanitary sewer and underground drainpipes
• Navisworks model, general arrangement drawings, piping plans, sections & elevations
• Equipment, trough, trench, foundation, debris and water pits, sump concrete drawings
• Structural steel access platforms and supports for ductwork, piping, tray and conduit
• Structural steel drawings for five monorail cranes; one for robot removal and one over each rail for rail removal/replacement
• Single line diagrams, power plans, MCC drawings, lighting plans, grounding plans, cable & conduit schedules, conduit routing plans, panelboard schedules
• Scope of work documents for construction

Project Highlights

• The system was installed within an existing mill building and separately enclosed for fume and dust control.
• Total Installed Cost (TIC) – $10MM

Product Storage and Transfer

Specialty Chemical

Scope of Work

• Project added two storage tanks, transfer pumps, load out structure with scales
• Orbital executed laser scanning and plant 3D model development of the new infrastructure in the existing facility
• Orbital supported procurement activities through bid reviews, technical bid evaluations and vendor recommendations, vendor document review and delivery expediting
• Supported local authority permit application and interfaces during design and construction phases

Deliverables

• Process design basis, PFDs and P&IDs
• Material requisition packages for tanks, pumps, agitators and filters
• Revised site plan
• Navisworks model, general arrangement drawings, piping plans and isometrics
• Piling plan, foundation plans and structural steel drawings
• Single line diagrams, power plans, lighting plans, grounding plans, cable & conduit schedules
• Instrument location plans, wiring diagrams, loop diagrams, instrument datasheets, control narratives
• Scope of work documents for construction

Project Highlights

• New design added additional flexibility in facility operations in allowing for product loading at two separate truck areas and rail. Unloading capabilities and new raw material storage facilitated the ability to manufacture new product desired in market.
• Total Installed Cost (TIC) – $5MM