Turnkey Transmission &
Grid Infrastructure
From reconnaissance survey to energized commissioning — delivering 33kV to 765kV transmission lines, substation switchyards, solar power evacuation, and specialized corridor diversions across Rajasthan.
Specialized Power Infrastructure Services
Engineered to meet the rigorous standards of RRVPNL, Tata Projects, NHAI, and leading renewable energy producers.
EHT & HT Transmission Lines
Turnkey engineering, procurement, and construction of high-voltage transmission lines — from reconnaissance survey to lattice tower erection, 2nd circuit stringing, and OPGW earthwire installation.
Scope of Work & Capabilities:
- 33kV, 132kV, 220kV & 400kV lines
- Single Circuit (S/C) & Double Circuit (D/C) erection
- AL59 Zebra & Panther conductor stringing
- Major river, railway & expressway crossings
- OPGW earthwire laying & jointing
Real Project References:
- • 220kV D/C Pratapgarh – Chittorgarh (121 km)
- • 132kV S/C Sikar – Ratangarh (80 km)
- • 220kV D/C Debari – Banswara 2nd Circuit (87 km)
Grid Substations & Switchyards
Complete erection, testing, and commissioning of high-voltage Grid Substations (GSS) and pooling switchyards for government utilities and private power producers.
Scope of Work & Capabilities:
- Gantry structures & bus bar erection
- Power transformers, CT, PT & isolators
- Control room structures & cable trenches
- Lightning masts & surge arrestors
- Grounding grid & earth mat installation
Real Project References:
- • 765/400/220kV Switchyard at PGCIL Fatehgarh Phase-II (Tata Projects)
- • 220kV GSS Halasar Turnkey Package
- • 132kV GSS Sola (Sikar)
Solar Evacuation & Grid Connectivity
Specialized high-capacity transmission lines and pooling switchyards connecting mega utility-scale solar power plants directly to central and state grid pooling substations.
Scope of Work & Capabilities:
- Dedicated 220kV & 132kV solar evacuation lines
- AL59 Zebra conductor stringing for high current
- 25MW to 225MW plant switchyard I&C
- PGCIL & RRVPNL pooling grid integration
- Turnkey balance-of-plant electrical works
Real Project References:
- • 220kV Line for 225MW TPCD Noorsar (PGCIL Bikaner-II)
- • 220kV Line for 150MW MSEDCL Solar (Chhayan, Jaisalmer)
- • 220kV Line from Avaada Solar Plant to Badnu GSS
Line Shifting & Height Raising
Critical line diversions, clearance enhancement, and corridor shifting for National Highway expressways, economic corridors, railway tracks, and major dam reservoir works.
Scope of Work & Capabilities:
- Tower height raising for vertical ground clearance
- Expressway corridor shifting (Amritsar-Jamnagar Corridor)
- Highway bypass diversion works (PWD-NH Division)
- Dam reservoir deposit works (Isarda Dam Project)
- Rapid turnkey execution with minimal shutdown
Real Project References:
- • 400kV & 220kV Shifting for NHAI Amritsar-Jamnagar Corridor
- • 132kV Pilani-Rajgarh Bypass Shifting (PWD-NH)
- • 220kV Turnkey Line Diversion for Jindal Saw Ltd
LILO Tapping & Transmission Uprating
Specialized Loop-In Loop-Out (LILO) tower construction and transmission corridor uprating to integrate new substations into existing high-voltage transmission lines.
Scope of Work & Capabilities:
- 220kV & 132kV LILO tower construction & stringing
- Pre-existing transmission line uprating & reconductoring
- Tapping station erection & hardware integration
- High-tension jumper strengthening & re-tensioning
- Short turnaround execution during planned outages
Real Project References:
- • 220kV LILO at GSS Rawatsar (STPS-Ratangarh Line)
- • 220kV LILO from RAS-Merta Line at GSS Jethana
- • 132kV Line Uprating from Jhunjhunu to Bissau
O&M Services & Line Health Analysis
Comprehensive Operation & Maintenance (O&M), Annual Maintenance Contracts (AMC), infrared thermography inspection, and structural revetment for long-term transmission reliability.
Scope of Work & Capabilities:
- Annual Maintenance Contracts (AMC) for switchyards
- Infrared thermography of mid-span & dead-end joints
- Tower footing benching & revetment in sandy/rocky soils
- Missing tower member replenishment & vibration dampers
- GPS mapping & Google Earth KML tower plotting
Real Project References:
- • 3-Year Switchyard & Tapping Station AMC at 50MW TPREL Ravra
- • Thermography assessment of conductors & mid-span joints
- • Line earthing status audit & statutory aviation clearances
Our 5-Stage Project Execution Workflow
From initial reconance survey to statutory handover — ensuring 100% on-time and safety-compliant delivery.
Survey, DGPS & Route Profiling
Reconnaissance survey, DGPS coordinate logging, tower spotting, and route profiling per Survey of India guidelines.
Civil Foundations & Benching
Excavation, stub setting, and foundation casting classified per soil type (hard rock, submerged, dry) and revetment benching.
Lattice Tower Assembly & Torquing
Precision assembly of galvanized lattice steel towers, high-tensile bolt torquing, and rigorous QA/QC inspection before erection.
Tension Stringing & OPGW Jointing
Controlled tension stringing of Zebra / Panther conductors, optical ground wire (OPGW) laying, and vibration damper positioning.
Statutory Clearances & Charging
Final safety audit, railway & highway statutory approvals, insulator testing, line energization, and on-time grid handover.
Trusted Partner Across Critical Domains
We support power utilities, mega renewable developers, and national infrastructure projects.
State Power Utilities
Solar IPPs & Renewables
Highway & Rail Infrastructure
Heavy Industry & EPC
Power Your Next Transmission & Substation Project
From reconnaissance survey to turnkey stringing and grid energization — Moji Construction Private Limited delivers complete solutions for 33kV to 400kV lines, GSS switchyards, and solar evacuation infrastructure.