Chanaparh LLC is implementing construction and reconstruction, as well as maintenance and service work of tunnels and bridges. Human potential of the Company, their experience and technical saturation is a guaranty for quality and effective construction. In this field the method of digging the cell and the calotte out (75%) by an excavator (CAT-330L) was sensational on which there was an essay in the specialized International Metro and Tunnels magazine.

Chanaparh LLC is also implementing construction and reconstruction works of bridges.