TURNKEY COAL MDO & CONTINUOUS MINING PACKAGES
MMPL’s underground coal mining services cover mine planning and design, infrastructure construction, equipment supply, operation and maintenance, and coal production.
Years UG Coal Mining Operational Domain
TPD Indigenously Engineered LCCM Yield
DGMS High-Emission Strata Clearance
Flameproof & Intrinsically Safe Certified
END-TO-END MINE DEVELOPMENT & OPERATIONS (MDO)
MMPL provides total turnkey execution: taking coal mineral blocks from greenfield drilling, drift engineering, and portal establishment through heavy production extraction and primary belt haulage networks.
Mine Designing & Strata Mechanics
Numerical strata modeling, roadway stability analysis, barrier pillar calculations, and subsidence engineering adapted specifically to Indian geomining complexities.
- FLAC3D & Phase2 Numerical Simulation
- Empirical Support Design (BMR / RMR Indices)
- DGMS Statutory Approvals & Documentation
Turnkey Equipment Capex & O&M
Complete capital mobilization, heavy machinery deployment, electrical flameproof substation installation, and OEM-grade mechanical maintenance crews on site.
- Flameproof FLP/FLP-IS Transformers & Gate Ends
- 100% On-site Workshop & Rebuild Capabilities
- Zero Downtime Spares Inventory Lifecycle
Target-Driven Extraction & Safety
Predictable tonnage contracts with rigorous statutory safety adherence. We operate under rigorous ISO 9001 and DGMS guidelines to maximize recovery ratios.
- Per-tonne Guaranteed Performance SLAs
- Integrated Environmental & Gas Safety Systems
- Direct Evacuation via High-Capacity Belt Runs
MASS PRODUCTION TECHNOLOGIES & METHODOLOGIES
LOW CAPACITY CONTINUOUS MINER (LCCM)
Engineered expressly to conquer narrow, complex, or legacy bord & pillar coal seams where imported mega-capacity Continuous Miners are economically or physically unviable.
Continuous Miner (CM) Packages
Integrated room & pillar mechanization deploying cutting-edge CM cutting heads, synchronized crawler-mounted feeder breakers, high-capacity electric shuttle cars, and Mobile Roof Supports (MRS) for depillaring safety.
Heavy Roadheader Drivages
Excavation of cross-measure rock drifts, main haulage arteries, and gate roads. Capable of slicing through interbedded sandstone, shale, and hard coal seams without explosive blasting vibrations.
Fast Inclined Drivages
High-speed incline access drifts carved directly from surface outcroppings into deep seams. Employs trackless Load-Haul-Dump (LHD) loaders, low-profile dump trucks, and structural water management.
HYDRAULIC TWIN BOLTER RIGS
The frontline defense against roof falls. MMPL’s total-hydraulic twin bolting rigs shorten operation cycle time, maximize anchor tensile load, and virtually eliminate manual worker exposure beneath unsupported strata.
| Parametric Metric | Standard Operational Limit | Safety Margin / Standard |
|---|---|---|
| Drilling Roadway Width Range | 3.60 m – 5.50 m | Full roadway coverage |
| Drilling Roadway Height Range | 2.40 m – 4.00 m | Adjustable telescopic masts |
| Roadway Gradient Pitch | ±15° longitudinal | High-traction track carriage |
| Torque Rating per Head | 220 Nm – 340 Nm | Rotary-percussive hydraulic motor |
| Bolting Cycle Time | < 140 seconds / pair | Resin injection & nut torque |
| Operator Protection Canopy | FOPS / ROPS Certified | DGMS Tech Circular 06/2019 |
DEGREE III GASSY MINE CONTROL & INTERLOCKS
In high-gas underground coal mining, safety cannot be secondary. MMPL builds autonomous atmospheric safeguards into every machinery electrical distribution circuit, ensuring continuous ventilation flow and automated cut-offs.
Auxiliary Fan Systems
Twin-motor high-capacity force and exhaust fan networks equipped with flameproof ducting to scrub coal dust and maintain statutory air velocity (>0.5 m/s) at all headings.
Technical Gas Monitoring
Continuous infrared and electrochemical sensors monitoring CH4, CO, and O2 levels along return air courses, instantly relaying parameters to the central surface control desk.
Instant Power Trip Cut-Off
Autonomous fail-safe trips interlocked with continuous miner face equipment: electrical circuits isolate in under 100 milliseconds if CH4 exceeds statutory threshold (0.75% / 1.25%).
Water Scrubbers & Deluge
High-pressure venturi spray bars mounted directly on cutting drums to suppress respirable airborne coal dust and quench incidental cutter-pick sparking on contact.
CLIENT CONTRACTS & FIELD HIGHLIGHTS
Tata Steel Raw Materials
Continuous deployment of indigenous LCCM technology across Jamadoba and Sijua complexes, achieving high recovery of metallurgical coal.
Bharat Coking Coal (BCCL)
Deep shaft sinking, steep inclined access drifts, and longwall development roadways in critical seams under dense surface infrastructure.
Eastern Coalfields (ECL)
Mechanized drivage contracts, high-speed tunnel advance, and electrical infrastructure equipping across Raniganj coal blocks.
Singareni Collieries (SCCL)
Specialized fast inclined drivage packages and cross-measure rock drifts accessing virgin Godavari Valley coal formations.
DEPLOY MECHANIZED COAL MINING PACKAGES
Submit your block geology, seam thickness, methane rating, and production targets. Our mining directorate delivers turnkey feasibility, equipment mobilization plans, and commercial MDO models.