Upper Shaft of Suki Kinari Hydropower project in Pakistan cut through

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The upper shaft of the Suki Kinari Hydropower Project (“the Project”) in Pakistan invested and constructed by CEEC was successfully cut through, marking the overall completion of the excavation works of the Project’s pressure shaft group.

This milestone lays a solid foundation for the installation and construction of steel lining of penstocks in later stage, celebrating the 20th National Congress of the CPC with practical actions. Representatives of SK Project Company, CRE of the Client, project principals of contractors, etc. attended the ceremony. Penstocks of the Project adopt double-line parallel tunnels, with each penstock comprising 3 shafts and 4 adits.

Extremely complicated geological conditions of surrounding rocks raise high requirements for construction techniques. The slag guide shafts are firstly formed by raise-boring and are then expanded by manual drilling and blasting from top to bottom to form pressure shafts.

To tackle technological challenges in shaft construction, SK Project Company organized multiple meetings before construction, prepared flexible schemes based on the actual conditions, drew lessons from the industry-leading construction management modes, completed technical reserve and optimized the construction processes to ensure quality and efficient shaft construction.

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