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Zhangzhou Port China Merchants Coastal School Preliminary Foundation Project
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  • Zhangzhou Port China Merchants Coastal School Preliminary Foundation Project

Zhangzhou Port China Merchants Coastal School Preliminary Foundation Project

In 2017, a new Black Diamond HJGB138A drill rig (with dry dust removal) arrived at the construction site of the preliminary foundation blasting project for the China Merchants Coastal School in Zhangzhou Port, Fujian. The rock formation in this project is mainly granite, using the Black Diamond Classic 45A DTH hammer and HD45A-115 drill bit, with an average hole depth of 6 meters. Each shift lasts 8 hours, and one shift can drill nearly 37 holes, with a total drilled length of about 220 meters.

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