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Sectors

HLF works on live operating plant and new build, onshore and offshore, in the UK and internationally. Each site has its own permits, hazards and standards, and we work to them.

Onshore oil & gas

Refineries, gas plants, terminals and COMAH sites.
  • Live plant, permits and isolations
  • Hazardous area installation and Ex inspection
  • Brownfield HV and LV integration
StandardsDSEAR 2002 · COMAH 2015 · BS EN IEC 60079-10-1 · BS EN IEC 60079-14 · BS EN IEC 60079-17 · BS EN 61511 · BS 7671Full standards register →

Offshore

Platforms, FPSOs, semi-submersibles and jack-ups, in the North Sea and internationally.
  • Hazardous area and safety-critical systems
  • Construction and commissioning offshore
  • Completions and handover
StandardsOffshore Safety Case Regulations 2015 · PFEER 1995 · IEC 61892 · BS EN IEC 60079-14 · BS EN IEC 60079-17 · BS EN 61511Full standards register →

Power generation

Biomass, CHP and operating power plant.
  • EC&I installation, testing and commissioning in live plant
  • Employer’s representative and NEC Supervisor across all disciplines
  • Commissioning and completions
StandardsElectricity at Work Regulations 1989 · BS 7671 · BS EN IEC 61936-1 · BS EN 50522 · BS EN IEC 61439 · ENA EREC G99Full standards register →

Grid & substations

33 kV and 11 kV connections and transmission projects.
  • HV cable jointing to 33 kV
  • Earthing and lightning protection
  • Quality and inspection on HVDC transmission
StandardsESQCR 2002 · BS EN IEC 61936-1 · BS EN IEC 62271-200 · BS EN 50522 · ENA TS 41-24 · EREC S34 · BS 7870 · NG TS 3.01.02 · DNO specificationsFull standards register →

Renewables, solar & battery storage

Solar, battery storage and grid-connected renewables.
  • Battery storage HV connection and DC balance of plant
  • Solar PV installation and testing
  • Drone and thermal surveys
StandardsBS 7671 Section 712 · BS EN 62446-1 · IEC 62933-5-2 · IET Code of Practice for Electrical Energy Storage Systems · ENA EREC G98 · ENA EREC G99 · BS EN IEC 62305Full standards register →

Industrial & manufacturing

Process plant, food and beverage, mining and heavy industry.
  • Industrial and commercial electrical
  • Control and instrumentation
  • Maintenance, testing and asset integrity
StandardsElectricity at Work Regulations 1989 · PUWER 1998 · DSEAR 2002 · BS 7671 · BS EN 60204-1 · BS EN IEC 61439Full standards register →

Rail

Network and lineside environments.
  • EC&I installation, testing and commissioning
  • Fibre splicing and OTDR testing
  • Earthing and bonding
  • Quality and completions
StandardsBS EN 50122-1 · BS EN 50122-2 · BS EN 50122-3 · BS EN 50121 · BS EN 50126 · BS 7671 · Network Rail standardsFull standards register →

Public sector

Councils, health boards, education and public estates.
  • EV and fleet charging
  • Independent QA/QC and owner’s engineer support
  • EC&I as a subcontractor to framework contractors
StandardsBS 7671 · SHTM / HTM 06-01 · BS 5266-1 · BS 5839-1 · CDM 2015Full standards register →

EV fleet charging

Fleet depots, workplaces and public charging.
  • Depot and workplace charging infrastructure
  • Supply upgrades and DNO connections
  • Civils and groundworks by our partners under one contract
StandardsBS 7671 Section 722 · BS EN IEC 61851-1 · IET Code of Practice for EV Charging Equipment Installation · Electric Vehicles (Smart Charge Points) Regulations 2021Full standards register →

Who we work with

EPC and main contractors

Specialist packages and site teams that take ownership of a defined scope.

Operators and asset owners

Client-side assurance, owner’s engineer services and inspection of live plant.

Public sector clients

Consultancy and assurance directly, and EC&I as a subcontractor to framework contractors.

Contact

Tell us about the scope, the contract and the programme. We reply to enquiries within one working day.

Phone+44 (0) 7885 241054Emailinfo@hlf-group.com
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