Excavation Support definition
Excavation Support means ground support consisting of steel ribs and steel lagging placed during or immediately after excavation within the TBM to stabilize the ground until the final support is installed. The excavation support will be contact grouted to minimize ground settlement
Excavation Support means ground support consisting of Steel Ribs and timber lagging placed during or immediately after excavation with the Tunnel Boring Machine (when using Two-Pass Tunnelling) to stabilize the ground until the Final Support is installed.
Examples of Excavation Support in a sentence
Requirements for Tunnel Shaft Excavation Support Systems are provided in Section 02180.
The Low Aggregate Bid Cost is determined by the combined Total Aggregate Labor Rate as provided in Table A plus the Total Aggregate Equipment Cost as provided in Table B plus the Miscellaneous Excavation Support Rates provided in Table C.
Support or shoring located on SCRRA right-of-way, or within the zone of influence from railroad loading, shall conform to SCRRA Excavation Support Guidelines.
Section 02160: Excavation Support System Plan for trenches four feet or more in depth.
Division 2 Section "Excavation Support and Protection" for shoring, bracing, and sheet piling of excavations.