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Compact Rig Market Continues to Shine for HDD Industry

Because of mix of utility work and fiber work, the compact drill rig market in 2018 remains an incredibly busy and steadying segment of the HDD industry.

Standard Design and Construction Guidelines for ...

Standard Design and Construction Guidelines for Microtunneling, Standard ASCE/CI 36-15, covers the planning, design, materials, and construction for this trenchless method of installing pipelines. Microtunneling projects involve a remote-controlled boring machine, a laser guidance system, a jacking ...

Bradshaw Construction Corporation Tunneling Specialists Maryland

Bradshaw Construction Corporation is a leading contractor in the tunneling industry. With over five decades of experience, we've earned respect as technological innovators through the construction of highly difficult tunneling projects.

WSSC Overcomes Challenges in Building New Conveyance System

Because sections of the pipeline run through environmentally sensitive areas adjacent to parkland in a historic district, WSSC utilized microtunneling technology

CSI MasterFormat™ Search Results - Plains Builders Exchange ...

00410: Bid Forms: Bid Form - Construction Management Bid Form - Cost-Plus Fee Bid Form - Procurement Bid Form - Stipulated Sum Bid Form - Unit Price

Single Shield | The Robbins Company

Tunnel Boring Machines Contractors rely on Robbins Single Shield TBMs in massively fractured rock. When you have large sections of broken ground to bore through, your project risk can be significant.

Engineering Projects India Ltd.

Sl. No. Tender No. Work: Location: Due Date(mm/dd/yyyy): Corrigendum : 1: WRO/CON/757/0191 VOLUME-I_-_0191.pdf VOLUME-II_-_0191.pdf VOLUME-III_-_0191.pdf: Supply of AAC Blocks confirming to IS 2185 Part 3 for Construction of District Head Quarter Hospital with 100 bedded Mother Child Hospital at Kendrapara Odisha

Roadheaders in Tunneling - Tunnel Business Magazine

The need to understand the rock cutting process via roadheaders in an intensive way has become more and more of a necessity due to the various options using mechanized excavation and tunneling methods.

History | The Robbins Company

1952 The First Modern Tunnel Boring Machine. Oahe Dam | South Dakota. In 1952 James Robbins developed the first modern Tunnel Boring Machine for the Oahe Dam Project in South Dakota, USA.

Tunnel Update - October 2017 - Tunnel Business Magazine

Three times per year, TBM: Tunnel Business Magazine recaps the status of major tunneling projects underway in the United States and Canada. Below is the Tunnel Update that appeared in the October 2017 issue of the print edition.