Electrical Engineering
Design, installation, testing and commissioning of reliable substation, protection and automation systems that power industries safely and efficiently.
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Mechanical Engineering
From precision fabrication to HVAC and process piping — we deliver mechanical excellence for industrial and utility projects.
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Civil Engineering
Strong, safe and sustainable civil structures — from substation foundations to complete industrial facilities.
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Consultancy & Special Services
Caltech BD provides specialized consultancy for compliance, GIS mapping, and safety management planning.
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Electrical Engineering
CALTECH BD delivers complete electrical solutions — from substation design to commissioning, ensuring safety, reliability, and energy efficiency.
- SLD, Layout & Section of Substation
- Earthing & Lightning Protection System
- Relay Coordination & Fault Analysis
- CT/PT Sizing and Battery Calculations
- Transformer Oil Filtration & Servicing
- SCADA & Protection Integration
- Annual Maintenance & Testing Services
Mechanical Engineering
CALTECH BD offers precision mechanical fabrication, installation, and maintenance that drive industrial performance and reliability.
- Fabrication of Steel Structures
- Installation of HVAC, Compressors, Pumps
- Piping & Industrial Ductwork
- Machinery Alignment & Overhaul
- Custom Metal Works & Industrial Platforms
- Preventive Maintenance & Servicing
Civil Engineering
CALTECH BD builds the foundations of progress — from substation infrastructure to complex industrial civil works.
- Control Building & Foundation Construction
- Structural RCC and Steel Frameworks
- Roads, Boundary Walls, and Drainage Systems
- Substation and Industrial Renovation
- Site Grading and Earthwork
- Quality Supervision & Handover Support
Consultancy & Special Services
CALTECH BD offers professional consultancy ensuring compliance, sustainability, and project excellence for electrical and construction industries.
- Electrical Compliance for Industries
- GIS Mapping for Transmission Projects
- Environment & Safety Management Plans
- Automation (PLC/HMI) System Upgrades
- Technical Documentation & Training
- Project Evaluation & Expert Supervision