Maintenance &

Maximize Asset Lifecycle Performance

Aescit’s Maintenance and Integrity Business Unit provides comprehensive plant and asset lifecycle support services. Globally recognized for our expertise and dependable delivery service scopes, we are dedicated to ensuring that our clients’ assets operate safely and efficiently to achieve the tangible bottom-line objectives.

From the provision of a single scope of work such as rapid turnarounds and brownfield construction, to large scale term maintenance apply our resources, experience, and values to consistently deliver exceptional results.

Featured Capabilities

Electrical & Instrumentation Services

With vast experience across all aspects of the electrical and instrumentation lifecycle from installation, to testing and energizing, we ensure that projects are delivered safely and on time. Recognized as a premier provider of Electrical and Instrumentation service our capabilities include:

  • Electrical Compliance Optimization (ECO)
  • HV, MV, & LV electrical system installation and distribution
  • Instrument and control installation
  • Process instrument calibration
  • Cabling installation and termination
  • Underground cable installation and termination
  • Lighting systems installation
  • Substation and transformer installation
  • Cable insulation
  • Electrical Assurance, Completion, Inspection and Testing
  • Pre-commissioning reports
  • Generator supply and setup
  • Handover and training
  • Electrical Equipment in Hazardous Areas (EEHA)
  • HV Testing

Mechanical Services

Heat Exchanger Services

Aescit provides comprehensive heat exchanger and heat transfer vessel repair and overhauls services for heavy industry and marine applications. Our expertise spans the full spectrum of heat exchanger types including tube, plate, regenerative, shell and extended surfaces. Service include:

  • Repair, retubing, tubing, and replacement
  • Vessel repair and fabrication
  • Inspection
  • Engineering support
  • Exchanger overhauls
  • Heat exchanger breakdown services
  • Machining and fabrication of plates, baffles, flanges, and facing
  • Pressure testing
  • Nitrogen/helium leak testing
  • Maintenance planning support
  • Post job reporting

Welding Services

Our experienced welders and welding crew mangers consistently deliver clean welds that pass rigorous requirements across the petrochemical, pharmaceutical, oil and gas, and power market segments. Aescit’s welding capabilities include:

  • Conventional / manual welding and automated orbital welding
  • Specialized welding expertise from carbon steel and exotic materials, to first of their kind proprietary materials.
  • Our AWS, ASME, and API certified welders operating in both field welding and shop welding.
  • Nuclear welding
  • Boiler Tube Butt Welding
  • Temper Bead Welding
  • Valve Repair and Replacement
  • Vessel & Piping Modification/Replacement
  • Heavy Wall Vessel Section Replacement
  • Pipe ID Overlay / Build-Up
  • Heat Exchanger Upgrades/Change-Outs
  • Large Bore Pipe Cladding
  • Developing welding procedures.

Valve Management

Aescit offers comprehensive valve management services for electrical, hydraulic and pneumatically powered valves. Irrespective of the stage of your plant and valve lifecycle, we ensure safe and reliable valve operation. Our capabilities include:

  • Preventative maintenance programs and service agreements
  • Valve automation and actuation
  • Procurement services
  • Supplier Quality Surveillance
  • Outage planning and management
  • Testing, Inspection and Diagnostic services
  • Valve lubrication
  • Commissioning and startup
  • Valve fitting and packing replacement
  • Review of valve suitability or participation in the specification of valves

Flange Management

Through a combination of cutting-edge, proprietary software and years of experience, our flange management engineers and technicians ensure “leak free” mechanical flanges and joints. Aescit’s integrated machining, bolting and torqueing services enable us to provide our clients with a streamlined solution to meet their requirements. Our capabilities include:

  • Joint data management system
  • Flange tensioning inspection
  • Alignment inspection
  • Bolt torquing
  • Bolt Tensioning
  • Joint Breakout
  • Field / in-situ machining

Field Machining

With dedicated precision equipment operated by our experienced engineers and technicians, we provide precise turnkey services to streamline operations during turnarounds and construction. Our field machining capabilities include:

  • Flange Face Machining
  • Line Boring / Portable Honing
  • Pipe Cutting and Beveling
  • Drilling and tapping
  • Keyway Cutting
  • Milling
  • Weld Preparation
  • RJ Rectification
  • Cold and Hot Tapping and Stoppling
  • Surveying
  • Trepanning, reaming and boring

Torquing & Tensioning

Recognized for exacting service delivery, we provide a full suite of torquing and tensioning services which ensure leak-free start-up of such critical assemblies such as pipe flanges, turbines, reactors, vessel man-ways, compressors, and heat exchanger. Our capabilities include:

  • Hydraulic bolt torqueing and tensioning
  • Stud tensioning
  • Flange spreading
  • Nut Splitting
  • Ultrasonic bolt monitoring / measuring
  • Turbine tightening
  • Induction Bolt Heating
  • Hot Bolt Replacement – Replacing corroded or defective bolting on potentially hazardous, pressurized pipelines.
  • Cold Bolt Replacement – Replacing corroded or defective bolting on depressurized pipelines.

Insulation & Clading

Aescit provides full spectrum insulation maintenance and installation services through a broad range of requirements, to include engineering design, procurement, and custom fabrication. Our capabilities include:

  • Maintenance, outages, turnarounds, and new construction.
  • Insulation and cladding/jacketing for boilers, ducting, piping, and equipment.
  • Managed maintenance programs.
  • Corrosion Under Insulation (CUI) programs.
  • Cryogenic, acoustic and heat conservation systems.
  • Hot/cold protection and personnel protection.
  • Heat recovery steam generators
  • Duct systems
  • Air pollution control equipment
  • Piping, Process equipment, and Tanks
  • Furnaces and steam generators
  • Standing seam panels for coke drums and tanks.
  • Aerogel flexible blankets.
  • Weatherproofing metal jacketing.

Coating & Painting

We work with clients throughout the course of their project, from coating selection, to determining the quality control plans and maintenance procedures that will ensure the long life of their chosen coating or lining systems. Our service capabilities include:

  • Protective coating application services
  • Coatings for new construction and maintenance requirements
  • Internal coatings and liners
  • Water and abrasive blasting
  • Coating specification consulting
  • Asset management programs
  • On-site surveys

Structural Mechanical Piping (SMP)

Aescit’s SMP service group is often distinguished by their dynamic project approach developed from years of experience with complex SMP requirements and stringent project schedules. Our SMP capabilities include:

  • Piping fabrication, testing and installation.
  • Structural steel erection – light, medium, heavy and modularized installations
  • Static equipment installation – modules, skids, vessels, tanks and column fit out, assembly and erection as per engineer and OEM specifications;
  • Rotating equipment installation – compressors, pumps, engines, generators, and other heavy mechanical equipment.
  • Balance of plant equipment installation.
  • Maintenance, debottlenecking and modification works.
  • Pipeline carbon steel main line facilities piping, and exotic piping materials fabrication and installation.
  • Tanks and vessel fabrication, installation and commissioning.

Process Services

Chemical Cleaning

Aescit provides a comprehensive range of reactive and non-reactive chemical cleaning and treatment services to industrial manufacturers throughout North America. Our chemical cleaning technicians employ the most advanced technologies to shorten cleaning windows while delivering services with the highest levels of safety, environmental well being, and plant cleanliness.

  • Full range of cleaning methods, including manual, semi and fully autonomous solutions
  • Foam decontamination methods
  • Vapor phase decontamination methods
  • Corrosion-inhibited acid circulation and cascading
  • Gelled fluid cleaning methods
  • Sprays for cleaning
  • Full fill / soaking decontamination methods
  • Safe and non-toxic form of enzyme-based, steam-assisted decontamination

Oil Flushing

Aescit’s oil flushing engineers and technicians have completed services for some of the most complicated systems with tight tolerances in the world. Combining our experience with appropriate equipment we consistently meet client system requirements and safety objectives. Our service capabilities include:

  • High velocity oil flushing (HVOF)
  • Lube oil flushing
  • Turbulent flow to remove system piping decontaminants
  • Polishing
  • Varnish/sludge removal
  • Fine filtration and dehydration
  • On-site oil analysis
  • Service summary and documentation
  • Electro-hydraulic controlled (EHC) flushing services

Air Blowing Services

With decades of experience our we regularly provide Air Blowing services for cleaning and drying process systems and pipework to prevent corrosion, ensure efficient operations, and safety. Aescit’s air blowing capabilities include:

  • High pressure exhaustive blowing (up to 1,500psig)
  • Low continuous blowing (150psig)
  • Hybrid blowing
  • Cleaning
  • Dehumidifying
  • Continuous steam blowing

Hydrostatic Testing

Aescit provides hydrostatic testing services that ensures the integrity of piping, pressure vessels, boilers, and HRSGs, for tests up to 207 MPa (207,000 kPa / 30,000 PSI). Our service capabilities include:

  • Hydrostatic pipe testing and pipeline hydrostatic testing
  • Pressure and flow testing
  • Troubleshooting
  • Extensive cleaning procedures
  • Nitrogen / helium testing
  • Pneumatic leak testing

Turnaround & Shutdown Services

We are experts in heat trace system installation with experts that spans electric, steam, and re-circulating fluid programs. With extensive experience globally our personnel and continuous improvement processes ensure that all aspects a heat management system, including distribution, control systems, heat tracing cables, and thermal insulation are installed correctly and operate properly. Our heat tracing services include:

  • Pipe Freeze Protection
  • Long Pipeline Heating
  • Process Temperature Maintenance
  • Tank Heating
  • Tank Insulation
  • Frost Heave Protection
  • Surface Snow Melting
  • Fire Rated Wiring
  • Leak Detection
  • Hot Water Temperature Maintenance
  • Flow Maintenance
  • Heat Loss Replacement
  • Procurement

Pre-commissioning, Commissioning & Startup

Aescit provides pre-commissioning, commissioning and startup services for process plants and power plants. The transition from construction to startup is critical to complete in a timely and thorough manner, and our success in this service area has lead to Aescit being recognized as a best-in-class provider of pre-commissioning, commissioning and startup services. Our service capabilities include:

  • Chemical cleaning
  • Oil Flushing
  • Leak testing
  • Valve testing
  • Hydrotesting
  • Performance evaluations and verifications
  • Electrical Systems Services
  • Mechanical Systems Services
  • Controls and Instrument Systems Services
  • Handover Management
  • Develop Turnover Packages
  • Develop system start-up boundaries

Project Management Consultancy (PMC)

Aescit’s Project Management Consultancy (PMC) supports contract delivery throughout the project lifecycle for onshore and offshore projects. We are recognized for our astute PMC services, and our PMC programs are made up of best-in-class experts with the years of experience needed to support contract fulfillment. Also, Aescit’s global presence enable us to mobilize experience resources where they are needed. Our services include:

  • Project management
  • Contract management
  • Change management
  • Project controls
  • Engineering and procurement
  • Interface management
  • Risk management
  • Construction management
  • Commissioning
  • Resourcing Strategy and Procurement

Comprehensive EPC Services

Aescit globally provides comprehensive Engineering, Procurement and Construction specializing in field and modular construction, for both greenfield and brownfield capital projects. Aescit has delivered projects in the industrial, power generation and distribution, chemical, commercial, and information technology market segments. Our EPC service encompass:

  • Engineering
  • Procurement
  • Fabrication
  • Construction
  • Commissioning and Handover Management
  • Ongoing Maintenance