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Contract Documents
As with any civil works project, the bid and contract documents prepared by the owner and the engineer should provide the contractor with the necessary information to prepare bids, to...

Microtunneling Operation
The shaft should provide safe working conditions and fully support the ground. Jacking and receiving shaft support system and sizes are typically determined by the contractor. See Chapter...

Machine Performance
Annular Thickness, Annulus, and Annular Space; Overcut; Slurry or Auger System; Cutter Wheel Design and Select; Slurry Separation Plant; Buried Objects and Obstruction; Steering....

Submittals
The contractor should submit the items listed in the specifications for review and acceptance by the engineer. The submittals are generally divided into preconstruction and postconstruction...

Shafts/Temporary Structures
Shafts should be of a size to accommodate the equipment and pipe selected and to allow for safe working practices. If the shaft must accommodate the permanent works, it is the contractor's...

Construction Support Services
A preconstruction survey of existing structures within the anticipated construction zone of influence should be conducted before any construction begins. A plan for structures that need...

Regulations
The contractor should meet federal, state, and local regulations. The contractor is responsible for jobsite safety....

Instrumentation and Monitoring
A detailed plan for monitoring possible ground surface movements caused by the microtunneling operations should be prepared. The plan is typically prepared by the engineer in consultation...

Restoration and Cleanup
The contractor should be responsible for site restoration and keeping the construction site clean, neat, and orderly at all times....

Measurement and Payment
The owner shall establish a bid schedule to obtain pricing for all work associated with the microtunneling installation. This bid schedule provides the bidders the opportunity to establish...

Transactions of the American Society of Civil Engineers 2014
Transactions of the American Society of Civil Engineers Vol. 179, 2014 contains abstracts for all ASCE journal and periodical papers and technical notes, Civil Engineering - ASCE feature...

Filling The Bay: Deepening the Oakland Inner and Outer Harbors
The project to deepen the Oakland Inner and Outer Harbors from elevation -42 to -50 ft was federally authorized in 1999 to accommodate the next generation of post-Panamax container ships....

Innovative Use of a Groin Structure: Saving Cost, Shortening the Schedule, and Minimizing Impacts
Almost any type of construction activity can pose a shock to the surrounding environment and habitat. Obviously, the extent of the impact will depend on the location of the project and...

The New Bedford Marine Commerce Terminal
When construction of the first American offshore wind farm support terminal encountered greater challenges than expected, jet grouting enabled construction to continue....

Transactions of the American Society of Civil Engineers 2013
Transactions of the American Society of Civil Engineers Vol. 178, 2013 contains abstracts for all ASCE journal and periodical papers and technical notes, Civil Engineering - ASCE feature...

Geo-Congress 2014
Technical Papers and Keynote Lectures
Proceedings of the 2014 Geo-Congress, held in Atlanta, Georgia, February 23-26, 2014. Sponsored by the Geo-Institute of ASCE. GSP 234, Geo-Congress...

Failure of a Large Circular Excavation
A circular excavation, 117 feet (36 m) in diameter by 90 feet (27 m) deep, was designed by an experienced engineering firm and construction was performed by an experienced contractor....

Failure of a Twenty-Foot High Retaining Wall
A cantilever retaining wall, designed in apparent accord with provisions in a civil engineering handbook, failed soon after construction. Analyses of the causes of the failure are presented....

Offshore Technology in Civil Engineering
Hall of Fame Papers from the Early Years
Prepared by the Program Committee of the Offshore Technology Conference of the Coasts, Oceans, Ports, and Rivers Institute of ASCE. This series presents...

Advanced Fracture Control Procedures for Deepwater Platforms and Compliant Towers
This paper describes an integrated approach to fracture control problems � applied first as a necessary adjunct to the authors' own engineering practice, then in developing...

 

 

 

 

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