Tohoma Once Again Proves the Reliability of the Jacking Method at JSDP Zone 1

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Tohoma Once Again Proves the Reliability of the Jacking Method at JSDP Zone 1

October 13, 2025
Posted by: Tohoma Mandiri

TOHOMA has achieved another milestone in the Jakarta Sewerage Development Project (JSDP) Zone 1. Using its own Micro Tunnel Boring Machine (MTBM) DN400mm, the team successfully completed a breakthrough from shaft C-12/3.3 to C-12/4.0, applying the jacking (microtunneling) method. A total of 34 pipes were installed with a total length of 82.62 meters.

With in-house technology and over 19 years of experience, TOHOMA remains committed to delivering innovative, precise, and sustainable microtunneling and jacking pipe solutions to support the future of Indonesia’s infrastructure development.

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PT Tohoma Mandiri, founded in 2005, is a company engaged in construction, mining and industrial services in Indonesia. Providing services including grinding media, chemical and mining equipment importers. In 2017, PT Tohoma Mandiri started diversifying the construction business as a supplier, also providing goods and services for Microtunneling and Pipe Jacking, supplying Ductile Cast Iron Pipe (DCIP), Glass Fused Steel Tank (GFST) and Reflective Stickers (REFLOMAX).