Our Engineering Services
Comprehensive multidisciplinary engineering solutions designed for excellence in execution
Oil & Gas Engineering
Overview
GHEC delivers multidisciplinary engineering solutions for upstream, midstream, and downstream assets—focused on safe, constructible, and code-compliant design for both greenfield developments and brownfield upgrades. We support clients across Saudi Arabia, the United Kingdom, and Pakistan with coordinated engineering packages that translate smoothly from design to site execution.
Scope of Services
- Concept development, feasibility support, and options evaluation
- Brownfield engineering: tie-ins, revamps, debottlenecking, and interface management
- Plot plan inputs and layout coordination for constructability and maintainability
- Engineering calculations, specifications, schedules, and procurement-ready documentation
- Vendor coordination, technical clarifications, and technical bid evaluation (TBE) inputs
- Design reviews and consolidation of multidisciplinary deliverables for submission
Key Deliverables
- Design basis, assumptions, and technical narratives
- Coordinated discipline drawings and layouts
- Specifications, datasheets, and BOQ/MTO support documentation
- Interface packages (tie-in points, shutdown requirements, constraints register)
- Comment resolution and submission-ready deliverables package
Transmission Lines & Substations
Overview
GHEC provides engineering support for HV/EHV transmission lines and substations, delivering coordinated design packages for utility and industrial networks with a focus on reliability, compliance, and execution readiness.
Scope of Services
- Overhead transmission line engineering: routing inputs, plan/profile support, spotting inputs, and design documentation
- Structural and foundation coordination with civil/structural interfaces
- Substation engineering (AIS/GIS): layouts, equipment arrangement, and multidisciplinary interfaces
- Cable routing philosophy, trench/duct bank coordination, and auxiliary systems integration
- Secondary systems support: protection/control interfaces, schematics, and documentation
- BOQ/quantity support and tender documentation inputs
Key Deliverables
- Route/corridor inputs and plan/profile drawing support
- Substation GA layouts, equipment arrangement drawings, and cable routing layouts
- Earthing/grounding documentation and interface packages
- AC/DC auxiliaries documentation (UPS/battery interfaces), lighting, and utility coordination
- BOQ/MTO inputs and submission package consolidation
Power System Studies
Overview
GHEC performs comprehensive power system studies to validate network performance, confirm equipment suitability, and enhance electrical safety. Our deliverables are structured for client and utility submission, with clear conclusions and actionable recommendations.
Scope of Services
- Network modeling and study basis development (assumptions, inputs, boundary conditions)
- Load flow and voltage profile assessment
- Short circuit studies and equipment duty checks
- Arc flash hazard analysis and labeling inputs
- Protection coordination studies and settings support documentation
- Harmonic/power quality assessment and mitigation recommendations
- Motor starting studies and voltage dip evaluation
- Grounding/earthing evaluation and compliance checks
Key Deliverables
- Study reports (methodology, results, compliance checks, recommendations)
- Model files, input registers, and assumptions basis
- Coordination curves and settings philosophy documentation
- Action list for upgrades and compliance improvements
Electrical Engineering (LV/MV/HV)
Overview
GHEC provides electrical engineering design for LV/MV/HV systems, delivering safe and reliable power distribution solutions aligned with client standards and execution constraints.
Scope of Services
- Electrical architecture and system definition (LV/MV/HV)
- SLD development, load lists, and distribution philosophy
- Cable sizing, schedules, and routing concepts with trench/duct bank interfaces
- Switchgear/MCC/panel schedules and equipment layout coordination
- Lighting systems (indoor/outdoor), small power, and emergency lighting concepts
- Earthing/grounding and lightning protection design documentation
- UPS, battery, and charger system integration support
- Brownfield tie-in packages and shutdown/constraint coordination
Key Deliverables
- Single line diagrams, load schedules, and cable schedules
- Equipment layouts and routing layouts (trays/duct banks/trenches)
- Earthing/grounding documents and calculations summary
- Lighting layouts and calculation outputs
- BOQ/MTO inputs and technical specifications
Control & Instrumentation
Overview
GHEC delivers control and instrumentation engineering support to ensure robust monitoring, control, and alarm management for industrial systems—fully coordinated with process and electrical disciplines.
Scope of Services
- Instrumentation design support: indexes, datasheets, and specifications
- Loop documentation and termination philosophy
- Junction box sizing, layouts, and cable scheduling support
- DCS/PLC interface documentation (I/O lists, signal types, interfacing notes)
- Alarm philosophy support and cause & effect inputs coordination
- Field installation documentation support and cable routing interfaces
- Vendor clarifications and technical coordination
Key Deliverables
- Instrument index, I/O list, and loop documentation packages
- JB layout and cable schedule support documentation
- Interface packages for DCS/PLC connections and marshalling philosophy
- Consolidated deliverables package aligned with client formats
Process & Piping
Overview
GHEC supports process and piping engineering deliverables with a focus on safe operation, constructible routing, and strong interface control—supporting both brownfield modifications and new installations.
Scope of Services
- Process design basis support, calculations, and technical narratives
- PFD/P&ID development and updates aligned with project scope
- Line list development and process interface definition
- Operating/control philosophy inputs and coordination
- Piping layout development and routing coordination
- Tie-in package support and interface management
- Isometric support and MTO/BOQ development
- Coordination with structural supports and E&I routing interfaces
Key Deliverables
- PFD/P&IDs and supporting registers (as per project scope)
- Line lists and tie-in/interface documentation
- Layouts, isometrics support sets, and routing documentation
- MTO/BOQ inputs, specifications, and material documentation
- Submission package consolidation and comment resolution
Civil & Structural
Overview
GHEC provides civil and structural engineering for industrial facilities, substations, and buildings—designed for durability, stability, and buildability under real site constraints.
Scope of Services
- Foundations and equipment supports
- Steel and reinforced concrete structures, platforms, and buildings
- Underground works: trenches, duct banks, pits, manholes, and utility corridors
- Structural calculations, drawings, and material take-off inputs
- Interdiscipline coordination for routing, penetrations, and access/maintenance needs
Key Deliverables
- Structural drawings and calculation summaries
- Foundation drawings and support details
- Civil underground layouts aligned with routing plans
- Material take-offs and BOQ inputs
- Submission-ready package compilation and comment resolution
MEP Engineering
Overview
GHEC delivers MEP engineering for industrial and commercial facilities, integrating HVAC, plumbing, drainage, and building electrical services into coordinated, compliant design packages ready for procurement and execution.
Scope of Services
- HVAC: heat load calculations, ventilation design, ducting layouts, equipment selection
- Plumbing & drainage: hydraulic calculations, layouts, schedules, and specifications
- Electrical building services: distribution, lighting, and containment routing coordination
- Interdiscipline coordination for architectural/structural interfaces and penetrations
- BOQ/quantity development and technical specification preparation
Key Deliverables
- HVAC calculations, layouts, and equipment schedules
- Plumbing/drainage layouts and sizing documentation
- Coordinated MEP drawings and interface registers
- Specifications and BOQ support documentation
- Consolidated submission package and comment resolution
BIM & Digital Engineering
Overview
GHEC provides BIM-led delivery to improve multidisciplinary coordination, reduce rework, and strengthen constructability—supporting consistent documentation and model-based quantity workflows.
Scope of Services
- BIM Execution Plan (BEP) development and BIM governance
- Discipline modeling (Structural/MEP) and federated model coordination
- Clash detection cycles and coordination workshops
- Model-based quantity extraction and BOQ support
- Drawing extraction from coordinated models and revision control
Key Deliverables
- BEP and BIM standards/workflows documentation
- Coordinated discipline models and federated model
- Clash reports and coordination logs
- Model-based BOQ/quantity outputs
- Coordinated drawings extracted from validated models
Engineering Support (FEED / DED / IFC)
Overview
GHEC supports clients across project stages—FEED, DED, and IFC readiness—ensuring disciplined progression from concept to execution with structured reviews, interface control, and submission-ready documentation.
Feed Support
- Design basis development and options evaluation
- Early layouts, system philosophies, and key verification studies
- Scope definition, deliverables planning, and constraints identification
- Staged reviews and client alignment workshops
Detailed Engineering (DED)
- Full calculations, drawings, schedules, and specifications
- Multidiscipline coordination and interface register control
- BOQ/MTO inputs and procurement-ready documentation
- Vendor coordination and technical clarifications support
IFC Readiness
- Consolidated coordinated packages aligned for construction execution
- Final reviews, comment resolution, and document control completion
- Deliverable completeness checks and submission readiness support