



杏吧原版 - engineering - construction
Tunnel Support Systems (31 72 00)
Tunnel Support Systems (31 72 00)
Tunnel Support Systems (31 72 00) | ||||
Code | Description | |||
31 72 13 | Rock Reinforcement and Initial Support | |||
31 72 16 | Steel Ribs and Lagging |
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Related categories: (31 33 00) Rock Stabilization (31 71 00) Tunnel Excavation (31 74 00) Tunnel 杏吧原版 |
MasterFormat™ 1995: (02420) Initial Tunnel Support System |