Soil Nailing in the 2010s: Its Evolution and Coming of Age
While the early 2000s witnessed soil nailing as a well-established method in the U.S. for providing temporary and permanent support of excavation (SOE), the technique has since continued to evolve thanks...

Achieving Success and Avoiding Failures with Permeable Pavements
This chapter provides experienced-based recommendations on how to achieve success with permeable pavements. This information is based on an informational survey completed by designers,...

Microtunneling Equipment
A discussion of microtunneling equipment in the context of the design aspects of a microtunneling project is applicable only to the extent that the engineer must set forth in the contract...

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...

Field Aspects
As soon as practical after their arrival at the project site, all pipes, fittings, and appurtenances should be thoroughly checked for compliance with the contract documents and accepted...

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...

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...

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....

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....

Project Definition and Conceptual Design
In order to select a DB contractor, the owner must define its requirements for project implementation and for the completed project. These requirements are typically incorporated into...

Preparing the Request for Proposals
Discussions with experienced DB contractors indicate that one of the most important aspects (if not the most important aspect) of a successful DB project is proper planning prior to issuing...

General Terms and Conditions
DB commercial contract terms can differ from conventional design-bid-build project terms, depending primarily on the owner's objectives, the level of risk that is to be assigned...

Specifications for Design-Build Projects
This chapter discusses the various specifications that come with a design-build project, including owner-generated specifications and contractor-generated specifications....

Roles and Responsibilities
This section summarizes the roles and responsibilities of the parties involved: owner, design team, contractor, construction manager, and dispute adjudicators....

Toronto Takes Off
Travelers using Toronto's Pearson International Airport will soon be passing through a new, state-of-the-art terminal, the centerpiece of a 10-year airport redevelopment project....

Case Studies in Steel
An innovative project delivery system for structural steel buildings enables the structural engineer to provide complete structural design services on conventional contractor-led design/build...

Planning and Execution
This chapter examines planning and execution. Topics include planning and design; engineering responsibilities; and contractors/responsibilities....

 

 

 

 

Return to search