TUNNELING AND MINING (31 70 00)

TUNNELING AND MINING (31 70 00)
Code	Description
31 73 00	Tunnel Grouting

For other relevant searches, you might want to try: tunnel boring, bracing and jacking work, including excavating, linings and casings, grouting support systems, boring machines, control and spoil removal systems.

Related categories:
(03 30 00) CAST-IN-PLACE CONCRETE

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