Electrical & Electronic Engineering (ELV)
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Electrical & Electronic Engineering (ELV)

33/11kV substations, custom switchgear assembly, motor control centers (MCC), telecom BTS sites, addressable fire safety, and commercial solar PV microgrids.

Governing Standards:IEC 61439 Switchgears StandardIEEE 1584 Arc Flash SafetyNFPA 72 National Fire Alarm CodeNEMSA Certified Installation

Executive Scope & Engineering Operations

Precision Engineering, Grounded in 19+ Years of Field Practice

Our electrical engineering division handles complete power lifecycles — from high-voltage substation grid step-down (33kV/11kV) to industrial Motor Control Centers (MCC), Automatic Transfer Switches (ATS), and Extra Low Voltage (ELV) networks. Our engineers have coordinated electrical and BTS infrastructure across more than 265 sites nationwide for Nigeria's leading telecom and energy corporations.

Est. October 2007 (Nigeria)
Makogi Heavy Yard & Lagos Fleet
Electrical & Electronic Engineering (ELV) on-site installation

Verified Site Installation • Krysta Forms Operations

Systematic Scope of Work

Detailed Scope of Engineering Execution

Every system is engineered to international tolerances, backed by direct workshop staging and rigorous QA/QC documentation.

01.

Substations, Power Distribution & Switchgears

Heavy electrical infrastructure keeping commercial enterprises and industrial plants energized 24/7.

  • Installation and NEMSA certification of 33/11kV oil-immersed & dry-type step-down transformers (up to 2.5MVA).
  • Custom in-house fabrication of Low Voltage (LV) distribution switchboards and Motor Control Centers (MCC).
  • Automatic Transfer Switches (ATS) with synchronized multi-generator paralleling and load-shedding controls.
  • Subterranean cable trenching, heavy armoured cabling, and galvanized ladder tray runs.
02.

Telecommunications & Extra Low Voltage (ELV)

Intelligent building communication, automated life safety, and surveillance systems.

  • Deployment of 265+ Telecom Base Transceiver Station (BTS) infrastructure sites (MTN, Airtel, Etisalat).
  • Addressable multi-loop fire detection, smoke aspiration, and emergency evacuation PA systems.
  • High-definition IP CCTV surveillance networks with perimeter thermal detection and access control.
  • Structured Cat6A / Cat7 and blown fiber-optic LAN backbone infrastructure.
03.

Commercial Solar PV & Power Quality

Sustainable energy systems to minimize diesel generator operating expenses and stabilize voltage.

  • Rooftop and ground-mount commercial solar PV arrays with high-efficiency grid-tied inverters.
  • Industrial LiFePO4 battery energy storage systems (BESS) for peak shaving and blackout protection.
  • Active harmonic filters, power factor correction (PFC) banks, and transient surge suppression.
  • Precision earthing grid construction with certified low earth resistance (< 1.0 Ohm).

Engineering Tolerances & Parameters

Technical Specifications & Design Criteria

ISO 9001:2015 Calibrated

The following table outlines the governing design codes, material standards, and performance specifications applied across this discipline.

Engineering ParameterTechnical Specification & RangeGoverning Standard / Quality Code
Substation Transformers33kV / 11kV step-down oil-immersed & cast resin dry-type (500kVA – 2.5MVA)IEC 60076 / NEMSA Approved
Switchgear & MCC AssemblyForm 4b Low Voltage (LV) distribution boards & Motor Control CentersIEC 61439-1/2 / Fault rating 50kA
Earthing Grid & Lightning ProtectionCopper earth-pits, chemical ground enhancement & copper air terminalsEarth Resistance < 1.0 Ohm
Commercial Solar PV ArraysTier-1 monocrystalline panels with modular LiFePO4 battery storageIEC 61215 / Efficiency > 92%
Structured Cabling & FiberCat6A / Cat7 shielded cabling & single-mode fiber optic backboneISO/IEC 11801 / TIA-568-C
Addressable Fire AlarmsMulti-loop addressable optical smoke, heat, and flame detection panelsNFPA 72 / EN 54 Certified
Electrical & Electronic Engineering (ELV) secondary equipment

Fabrication & Staging • Makogi Heavy Yard, Ogun State

Direct Machine Ownership

In-House Machinery & Calibrated Testing Rigs

We eliminate subcontracting bottlenecks by owning our core plasma cutting, hydro-testing, and electrical injection testing equipment across Lagos and Ogun State.

Primary & Secondary Current Injection Test Sets0 – 2000A AC injection

Circuit breaker trip curves, protective relay calibration & timing checks

📍 Lagos Electrical Testing Lab

5kV / 10kV Digital Megger Insulation TestersUp to 10 TeraOhms measurement

Armoured cable dielectric insulation resistance & transformer health tests

📍 Mobile Electrical Testing Squad

Three-Phase Power Quality & Harmonic Analyzers50Hz / 60Hz Class A standard

Total Harmonic Distortion (THD), power factor & voltage swell/sag audits

📍 Power Audit & Commissioning Squad

Hydraulic Busbar Bending, Punching & Cutting Machines120 x 12mm copper capacity

Precision fabrication of custom switchgear and MCC panel copper busbars

📍 Makogi Switchgear Panel Workshop

Engineering Governance

5-Stage Project Delivery Lifecycle

Our structured 5-stage project methodology ensures zero discrepancy between architectural design, workshop fabrication, and on-site commissioning.

01Electrical Profiling

Load Flow Calculation & Single Line Diagram (SLD) Design

Power demand forecasting, short-circuit calculations, protective device coordination, and voltage drop sizing.

Deliverable:Approved Electrical Single Line Diagrams (SLD) & transformer sizing sheets
02Panel Engineering

Custom Switchgear Design & Busbar Thermal Sizing

Detailed panel enclosure drafting, Form 4b internal separation design, and IEC 61439 heat dissipation calculations.

Deliverable:Switchboard schematic drawings & bill of electrical components
03Workshop Assembly

Panel Assembly, Copper Busbar Bending & Factory Acceptance

Fabrication of copper busbar links, wiring terminations, component mounting, and factory dielectric high-pot tests.

Deliverable:Factory Acceptance Test (FAT) sign-off & high-pot test reports
04Site Cable Infrastructure

Subterranean Trenching, Cable Landing & Substation Rigging

Transformer placement, heavy cable pulling on galvanized trays, earth-pit construction, and ATS integration.

Deliverable:Cable insulation resistance logs & earth resistance certificates (< 1.0 Ω)
05Commissioning & NEMSA

Relay Calibration, Load Energization & NEMSA Certification

Primary current injection tests, phase rotation verification, mains-to-gen automated failover tests, and NEMSA signoff.

Deliverable:Official NEMSA Certification, As-Built SLD & operations training manual

Quality Assurance & Handover

Certified Engineering Handover Deliverables

Complete Documentation Package

Every contract executed by Krysta Forms Limited concludes with an authoritative, audit-ready handover dossier including:

Official NEMSA (Nigerian Electricity Management Services Agency) Inspection Certificate
Insulation Resistance & High-Voltage Dielectric Test Reports
Circuit Breaker Primary / Secondary Current Injection Calibration Logs
Certified Earth Resistance Measurement Certificate (< 1.0 Ω)
As-Built Electrical Single Line Diagrams (SLD) & Panel Schedules

Proven Track Record

Representative Project Case Studies

VIEW FULL PORTFOLIO MATRIX
MTN, Airtel, Etisalat / Interkel & StormbergNationwide Deployment

265+ Telecom BTS Infrastructure Sites

Substations, generator power synchronization, grounding, and tower installation.

ISO 9001 Certified DeliveryRequest Tender Specs →
Pan Ocean Oil CompanyVictoria Island, Lagos

Corporate Facility Electrical Substation & MCC

Substation commissioning, main distribution panels, motor control centers, and fire alarm integration.

ISO 9001 Certified DeliveryRequest Tender Specs →

Direct Engineering Consultation

Speak Directly with Our Technical Leads in Lagos & Ogun

Whether you have an upcoming tender, an architectural blueprint needing MEP coordination, or require heavy structural steel fabrication, our engineering directors are available for technical consultations.

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