Load-flow studies
Voltage profile, transformer loading, losses, reactive demand and operating scenarios.
132/11.5 kV consumer grid stations
From load requirement to an energized asset.
Unirazz Services brings studies, authority coordination, detailed engineering, procurement, civil and electrical construction, testing and commissioning together under one accountable EPCC delivery structure.
Company milestone
Pakistan’s first commercial-tariff consumer grid station delivered through integrated EPCC capability.
01 Feasibility & studies
02 DISCO coordination
03 Turnkey execution
04 Energization & handover
When a consumer grid station is required
A dedicated grid connection for major consumers.
The consumer grid station route applies where the sanctioned load, tariff category and utility interconnection requirement call for dedicated high-voltage infrastructure.
The methodology addresses industrial consumers under Tariff B4, commercial developments and malls under Tariff A2c, and housing societies under Tariff H, with the final scheme governed by the applicable DISCO requirements and approved load allocation.
Industry
Commercial & malls
Housing societies
Proven commercial-tariff delivery
A first-of-its-kind grid station milestone in Pakistan.
Unirazz Services is the first EPCC—Engineering, Procurement, Construction and Consultancy—firm to deliver Pakistan’s first commercial-tariff consumer grid station. That experience strengthens every decision from grid studies and scheme finalization to equipment integration, construction, commissioning and utility handover.
Seven-phase methodology
A controlled path from concept to service connection.
Every phase closes defined technical, regulatory, commercial and construction interfaces before the project advances to the next critical milestone.
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01Preliminary design · budgeting · pre-construction
Project initiation & feasibility structuring
Define the load objective, boundaries, site constraints, delivery model and information required to convert the requirement into a technically and commercially structured project.
- Load data, utility interface and scope definition
- Topography, site selection, contours and route profiling
- Preliminary layout, budget, schedule and enabling works
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02Technical clearance · load authorization
Regulatory alignment & load authorization
Coordinate the application route, approved load, point of interconnection, service-connection requirements and authority submissions so that engineering proceeds against an agreed utility scheme.
- DISCO planning, design and operations coordination
- Load allocation and interconnection-scheme alignment
- Required environmental, inspector and statutory clearances
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03Engineering design · equipment procurement
Detailed engineering & strategic procurement
Translate the approved scheme into coordinated primary, secondary, civil, control and protection designs, then procure compliant long-lead equipment against controlled technical specifications.
- SLD, layouts, foundations, earthing, protection and control
- Specifications, BOQ, bid evaluation and deviation control
- Vendor drawings, type tests, manufacturing and FAT planning
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04Construction · installation
Infrastructure development & system installation
Execute the civil, structural, line and electrical works through an integrated programme with disciplined HSE, QA/QC, interface management and progress control.
- Site development, control building, foundations and trenches
- Transmission interconnection, earthing and steel structures
- Equipment erection, cabling, panels and auxiliary systems
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05FAT · SAT · performance validation
System verification & performance validation
Confirm that every asset, interface and protection function meets the approved drawings, specifications, utility requirements and safe-energization criteria.
- FAT and type-test review, inspections and site testing
- Protection, metering, control, SCADA and interlock checks
- Calibrated records and ready-for-energization recommendation
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06Commissioning · staged loading
System energization & operational commissioning
Prepare and control the switching sequence, energize the installation in approved stages and demonstrate stable operation in coordination with the utility and the client.
- Service-connection order and energization readiness
- Switching plans, staged loading, monitoring and logs
- On-load commissioning and operational endorsement
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07Handover · compliance · O&M
Project closure, compliance & lifecycle support
Close the project with a complete technical record, trained operating personnel and a structured path for warranty, defects-liability and long-term asset support.
- As-built drawings, test dossiers and authority correspondence
- O&M manuals, training, spares, tools and software handover
- Punch closure, warranty records and lifecycle support
Grid station studies
Technical decisions made before concrete and equipment.
Unirazz Services offers best-in-class study capability from grid requirement and interconnection finalization to equipment duty, protection philosophy and approval-ready engineering.
Short-circuit studies
Fault levels, equipment duties, breaker ratings and network contribution checks.
Protection coordination
Relay philosophy, settings, grading, interlocks, trip logic and utility coordination.
Earthing & safety
Grid design, soil resistivity, touch and step potentials, bonding and lightning protection.
Insulation coordination
System insulation levels, surge protection, clearances and equipment interface checks.
Layout & route engineering
Site optimization, bay arrangement, cable routes and transmission-line profiling.
Specifications & BOQ
Performance-based requirements, quantities, interfaces and measurable acceptance criteria.
Scheme finalization
Technical submissions, comments closure and coordination through final utility acceptance.
Constructible and programme-controlled
All required delivery capabilities under one EPCC structure.
One-point coordination reduces design gaps, procurement delays and site-interface conflicts across the critical path.
01System studies & engineering
02Authority liaison & approvals
03Equipment procurement & logistics
04Civil, structural & line works
05Electrical erection & cabling
06HSE, QA/QC & project controls
07Testing & commissioning resources
08Documentation, training & O&M
Study→Approve→Engineer→Procure→Construct→Test→Energize→Handover
Early interface mapping keeps authority approvals and long-lead equipment on the critical path, while coordinated engineering and site planning make the grid station constructible within the requisite timeline.
Pre-offer scope definition
The right information makes the programme reliable.
Before pricing or mobilization, Unirazz structures the client’s technical, site, procurement and contractual inputs into a controlled scope. This reduces assumptions, prevents interface gaps and allows realistic design, procurement and completion planning.
Start a scope discussion ↗System configuration
Approved load, transformer and line bays, spare bays, capacitor banks, completion period and future expansion.
Land, surveys & approvals
Soil investigation, contours, topography, site layout, route survey, technical clearance and environmental approvals.
Design responsibility
Primary, secondary and civil design boundaries, BOQ ownership, client criteria and submission responsibilities.
Equipment strategy
Transformer, switchyard, protection, MV, telecom, cabling, earthing, DC system and country-of-origin preferences.
Execution & assurance
FAT and local inspection responsibility, utilities, labour facilities, HSE, security, insurance, testing and commissioning.
Interconnection & commercial
Transmission-line or deposit works, procurement route, payment instruments, guarantees, retention and agreed terms.
Consumer grid station requirement?
Make the scheme approvable, constructible and ready to energize.
Bring Unirazz Services in early to align studies, approvals, design, procurement and construction around one delivery programme.
Talk to the grid station team ↗