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,...

Testing
The purchaser shall specify in the contract documents which structures or components of structures are to be tested. If a proof test of a structure or a component of a structure is specified,...

Quality Assurance/Quality Control
The contract between the purchaser and the supplier shall state the responsibilities of each party and the conditions under which the work will be accepted or rejected....

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...

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....

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...

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....

Good Clients, Good Procurements, and the Importance of Quality Work
This fourth article in the Business of Geotechnics series addresses a number of topics related to engineering and consulting (E&C) firm clients and obtaining work from them. The...

Challenges and Risks of Jet Grouting in a Congested Urban Environment
In the heart of London, one of Europe's largest jet grouting contracts is nearing completion. The jet grouting is part of the overall 7-year-long upgrade project to London...

Design-Build Contract Complexities
There are many approaches or options that an owner may pursue in acquiring facilities. Depending on the owner's objectives, the DB project approach may offer unique benefits,...

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...

Balancing Risk and Rewards in Performance-Based Environmental Remediation Contracts

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....

The Best Alternative
The City of Portland, Oregon, is using a hybrid contracting scheme that combines the scheduling advantages of design/build with the control of a construction manager arrangement to construct...

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...

Disclaimer
This section contains a brief disclaimer notice....

 

 

 

 

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