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Mega Lift Irrigation Schemes
& Underground Hydro Caverns

Transforming arid drought-prone basins into prosperous agricultural corridors — executing India's most demanding lift irrigation packages featuring twin 8.54 km water conductor tunnels, mammoth pump stations 150 metres underground, five 145 MW turbine-pumps (725 MW total), and 5.0 m diameter high-pressure steel delivery mains.

Installed Lift Power
725 MW Five 145 MW Mammoth Pump Units
Conductor Tunnels
8.54 km Twin 8.5 m Finished Diameter
Subsurface Depth
150 m Underground Pump House & Surge Pool
Delivery Penstock
5.0 m High-Pressure MS Delivery Main
Core Engineering Pillars

Heavy Irrigation & Lift Scheme Capabilities

Mastering complex geotechnical, deep hydraulic, and heavy electro-mechanical disciplines under extreme geological pressures.

Subterranean Pump Caverns

Excavation of massive underground machine caverns and surge pools at depths up to 150 m below surface, incorporating deep rock anchorage, crane girder beams, and massive reinforced concrete machine blocks.

150 m Subsurface Depth Pre-stressed Cable Anchors Mass Concrete Pours

Twin Conductor Tunnels

Boring twin parallel horseshoe-profile water tunnels through complex granitic and basaltic strata using advanced NATM drill-and-blast methodology, coupled with full 360-degree concrete slipform lining.

Twin 8.54 km Tunnels 8.5 m Finished Diameter High-Volume Water Conductor

High-Pressure Steel Penstocks

Fabrication and erection of heavy 5.0 m diameter Mild Steel delivery manifolds and penstocks designed to convey astronomical discharges against high static heads with zero dynamic vibration.

5.0 m MS Diameter Hydraulic Bifurcations Surge Draft Tubes

Electro-Mechanical & Power Grid

Turnkey integration of five 145 MW vertical centrifugal pump units, dedicated 400 kVA electrical substations, automated SCADA controls, and two 50 km 400 kVA Double Circuit (DC) transmission lines.

5× 145 MW Pumps 400 kVA Substation 50 km 400 kV DC Lines
Technical Methodology

4-Stage Hydro-Engineering Execution Pipeline

Pioneering precision deep cavern excavation, structural reinforcement, and heavy electro-mechanical synchronization.

01

Geotechnical Rock Mass Rating

3D seismic refraction tomography, Q-system and RMR classification, in-situ stress measurement, and 3D finite-element cavern modeling.

02

Controlled Precision Blasting

Drill jumbo burn-cut patterns, electronic millisecond delay detonators, smooth-wall perimeter blasting, and continuous seismic PPV monitoring.

03

Cavern Support & Slipforming

Installation of high-tensile rock bolts, steel-fiber reinforced wet shotcrete, and continuous hydraulic slipform shuttering for monolithic concrete linings.

04

725 MW Pump & Grid Synchronization

Subterranean assembly of 145 MW impellers and stators, high-voltage busduct routing, 400 kV switchyard energization, and automated SCADA wet testing.

Track Record

Featured Irrigation Landmark

National-scale irrigation feats engineering vital lifeline water to millions of agricultural acres.

Palamuru Ranga Reddy Lift Irrigation Scheme
Irrigation & CAD Dept, Telangana Mahabubnagar, Telangana
FLAGSHIP MEGA PROJECT Stage IV · Package 16

Palamuru Ranga Reddy Lift Irrigation (Package 16)

One of the world’s most ambitious subterranean lift irrigation undertakings. RVR is executing the 1.45 km open approach channel, twin 8.54 km headrace tunnels (8.5 m finished dia), deep surge pool, and underground pump house housing five 145 MW vertical centrifugal pumps, connected to a 5.0 m MS delivery main and a 400 kVA substation with 50 km transmission lines.

8.54 km × 2 Twin Tunnels
5× 145 MW Pump Stations
150 m Underground Depth
5.0 m MS Delivery Main
Irrigation Delivery Mains
Water Resources Dept Andhra Pradesh & Telangana

High-Pressure Penstocks & Approach Forebays

Heavy steel fabrication, precision submerged-arc welding, and massive anchor blocks anchoring multi-kilometer discharge manifolds transferring hundreds of cusecs of water over high topographical contours.

5,000 mm High-Pressure Penstocks
1.45 km Deep Approach Channel
Heavy Machinery Fleet

Specialized Hydro & Lift Fleet

Industrial-scale subterranean excavators, robotic shotcreters, and heavy gantry cranes capable of operating 150m underground.

Atlas Copco Twin-Boom Jumbos

Automated Blast Hole Drilling

High-torque hydraulic drifters drilling 45mm to 102mm blast holes with laser guidance in hard granitic gneiss.

Robotic Wet Shotcrete Booms

Steel-Fiber Reinforced Sprayed Concrete

Continuous robotic spraying booms for rapid early ground support and high-strength rock sealing.

200-Ton Subterranean EOT Cranes

Heavy Rotor & Stator Assembly

Underground heavy gantry cranes running on precision rock-anchored crane girders for 145 MW pump erection.

Hydraulic Slipform Lining Gantries

360-Degree Continuous Tunnel Pour

Self-propelled telescopic shuttering gantries delivering seamless hydraulic concrete finishes on 8.5m tunnels.

Trusted By Major Hydro & Power Authorities:
Irrigation & CAD Telangana AP Water Resources Dept PGCIL (Power Grid) BHEL (Bharat Heavy Electricals) National Water Dev Agency