Mine Equipping // Overview

Shafts, Drivages and the Machines That Serve Them.

Rapid shaft sinking and inclined drivages for coal and metal mines, and the winders, ventilation, backfilling, gas monitoring, conveyors and sub-stations that equip them — designed, supplied, installed and commissioned by MMPL.

Shafts

Ø5.6–7.5m, 180–468m deep

Sinking rate

30m/mo

Mechanised progress

Inclines

250–790m, 1 in 3.5 to 1 in 5

Winders

600kW

Up to, with VFD & automation

01 // Sinking & Drivage

Rapid Shaft Sinking and Inclined Drivages

Illustration: section through a shaft under sinking with multi-deck scaffold, kibble and grab

Rapid Shaft Sinking

Completed: 27 shafts
Diameter: Ø5.6 – 7.5m
Depth: 180 – 468m
Progress: 30m / month

Shaft sinking, deepening and equipping for both metal and coal mines, plus tunnelling. We stabilise shafts tilted by unstable ground through in-house design engineering and geotechnical expertise.

Method & plant

Hydraulic drilling machines and grab loading
Multi-deck scaffolding and mechanised winches
Automatic sinking winders and batching unit
Ground-water stabilisation and high-capacity pumping

Shaft Sinking

02 // Winders

Winding Engines from 100 to 600 kW

Design, manufacture, supply, installation, commissioning and testing, with VFD and automation.

Installation	Client	Rating	Scope	Completed
Winders conversion (6 locations)	ECL	Steam → electric	Conversion + 9-year maintenance	—
Shantikhani	SCCL	600 kW AC	EPC · headgear to cage	31-12-2019
Mahagiri	IMFA	450 kW AC	EPC · skip & cage	31-12-2019
Balaghat ventilation shaft	MOIL	250 kW AC	Sinking & winder	31-08-2019
Chikla shaft sinking	MOIL	300 kW AC	EPC	28-02-2019
Kandri deepening	MOIL	250 kW AC	EPC	12-09-2018
Kendadih	HCL	425 kW AC	EPC · man winding	16-04-2016
Chikla deepening	MOIL	464 kW	Deepening & winder	05-10-2015
Munsar	MOIL	185 kW DC	EPC	30-11-2014