Promac Engineering Industries Ltd, a manufacturer of industrial machinery, has supplied critical components for a Tunnel Boring Machine (TBM) for deployment in the Bhopal Metro Rail Project. Designated TBM 427, The machine recently completed its Factory Acceptance Test (FAT) at Robbins’ facility in Bengaluru.
TBM 427 is the first of two Earth Pressure Balance (EPB) machines that will be used by the Kalpataru Projects International Ltd – Gulermak joint venture to construct 2.1 kilometres of twin tunnels on the Orange Line of the Bhopal Metro. The tunnel alignment connects the ramp near Sindhi Colony Station to the ramp near Aish Bagh Crossing Station, passing under Bhopal Junction and Nadra Bus Stand underground stations.
The Kalpataru-Gulermak JV was awarded Package BH-04 by Madhya Pradesh Metro Rail Corporation Limited (MPMRCL), with a contract value of INR 7.69 billion. The scope includes the design and construction of tunnels, cross passages, cut-and-cover structures, ramps, architectural finishes, and water, sanitary, and drainage systems across a 3.39 km underground stretch (chainage CH 28375 to 31765). The scheduled completion period is 42 months.
Promac Engineering’s role involved the engineering and manufacture of components essential to the operation of the TBM. The company is headquartered in Bengaluru and operates as an engineering, procurement, and construction (EPC) firm with expertise in heavy engineering and bulk material handling systems. It has experience in large-scale industrial and infrastructure projects in both Indian and international markets.
