DFMHUB

Structural Earthing System

Trusted experts in Earthing and Lightning Protection Systems since 2005.

Structural Earthing System – Engineered for Indian Buildings & Infrastructure (ARK Make by DFMHUB)

Electrical safety failures in buildings are not caused by equipment alone — over 65% of electrical faults in India are directly linked to inadequate earthing and grounding systems (CEA safety audit observations, 2023).

In a country with high soil resistivity variation, dense urban construction, monsoon-driven moisture cycles, and rapidly increasing electrical loads, conventional pit earthing methods are no longer sufficient.

The ARK Make Structural Earthing System by DFMHUB is engineered as a permanent, foundation-integrated earthing solution, designed specifically for Indian soil conditions, RCC structures, and statutory compliance requirements.


What Is a Structural Lightning Protection System?

A Structural Earthing System is a foundation-based earthing method where earthing conductors are permanently bonded to RCC reinforcement steel, creating a large-area, low-impedance earthing electrode embedded within the building structure itself.

Key Engineering Characteristics:

  • Uses RCC rebars as natural electrodes
  • Fully concealed & maintenance-free
  • Extremely stable resistance values
  • Long service life (50+ years)

The ARK Make system by DFMHUB enhances this concept using engineered copper-bonded conductors, tested clamps, and documented bonding methodology.


Why Structural Lightning Protection Is Critical?

High-rise buildings, industrial plants, substations, and solar installations are vulnerable to direct lightning strikes. Structural LPS ensures:
  • Concealed protection within RCC
  • Reduced corrosion risk
  • Enhanced safety and structural integrity
  • Compliance with international standards

Complete Structural Earthing System Overview – ARK Make

The ARK Structural Earthing System is not a single product — it is a coordinated system consisting of conductors, bonding components, test points, and documentation. System Architecture Flow:

  1. Foundation rebar bonding
  2. Horizontal earthing conductor network
  3. Vertical take-off points
  4. Equipment bonding
  5. Test & inspection access

Component-Wise Breakdown

ComponentMaterialFunction
Copper Bonded  Conductor 10mm Copper CoatedPrimary current dissipation
Rebar Bonding Clamp  SS/GIElectrical continuity with RCC
Earth Fixed Point  SS/GIExternal testing & inspection
Cross and Parallel Connector  SS/GIMechanical fixing
Strip Holder / Saddle  SS/ GIMechanical fixing
Equipotential Bonding Bar  SS/CUExternal testing & inspection
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Structural Earthing Design Methodology

Engineering Design Process Used by DFMHUB

Step 1: Soil & Site Assessment

  • Soil resistivity testing
  • Moisture & salinity analysis

Step 2: Building Load Evaluation

  • Fault current estimation
  • Lightning risk assessment
  • Equipment sensitivity mapping

Step 3: Earthing Network Design

  • Rebar bonding grid layout
  • Conductor sizing
  • Redundancy paths

Step 4: Resistance Targeting

  • ≤1 Ohm (critical)
  • ≤2 Ohm (commercial)
  • ≤5 Ohm (residential)

Step 5: Documentation & As-Built Drawings

  • Inspection-ready layouts
  • Compliance records
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Indian Standards & Regulatory Compliance

Standard / RegulationApplicability
IS 3043:2018Code of Practice for Earthing
CEA Safety RegulationsMandatory for electrical systems
NBC of IndiaBuilding safety compliance
IEC 62305Lightning protection interface
✔ ARK Make systems are designed to comply at the planning stage, not retrofitted later.

Industry-Wise Applications Across India and  Where Structural Earthing Is Essential

IndustryUse Case
High-rise ResidentialLift & DG safety
Commercial BuildingsFire & surge protection
Data CentersSensitive equipment grounding
HospitalsPatient safety
SubstationsFault current dissipation
Solar Power PlantsInverter & array grounding
Industrial PlantsMotor & PLC protection

Advantages of Structural Earthing over Conventional Lightning Protection system.

  • No exposed conductors
  • Longer service life
  • Lower maintenance requirements
  • Architecturally invisible solution
  • Consultant-preferred lightning protection approach

Design & Quality Control by DFMHUB

Every project includes detailed engineering drawings, bonding layouts, continuity testing, and final inspection documentation to ensure system compliance and performance.

Why choose ARK-Make Structural Earthing System Products?

  • Manufacturer-led engineering expertise
  • Proven execution experience across industries
  • Compliance-focused lightning protection design
  • Long-term technical support and documentation
AspectManufacturer (DFMHUB)Trader
Design Support✔ Engineering-backed❌ None
Material Traceability✔ Full❌ Limited
Compliance Docs✔ Provided❌ Missing
Customization✔ Project-specific❌ Generic
Accountability✔ Single-point❌ Fragmented
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Frequently Asked Questions

A structural earthing system is an engineered grounding network that bonds structural steel, equipment, and electrical systems to safely dissipate fault and lightning currents into the earth.

As per IS 3043 & IEC 62305 < 1 ohm for critical installations < 2 ohm for substations < 5 ohm for general installations

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