Specifying Trench Safety: the Texas Experience
The frequency of accidents during trenching operations has grown so dramatically that the issue has caught the attention of both industry 'insiders' and 'outsiders.'...
Fall Protection & Debris Containment During Construction
The purpose of this paper is to review the current practices in the United States for both fall protection and debris protection during high rise construction. A performance comparison...
Temporary Lateral Support System for Historic Building Facades in Boston
This paper describes a system of vertically cantilevered structural steel trusses, designed by the author, that provided temporary lateral support for a group of five and six story, 120...
Performance of a Prestressed Rigid Frame During Removal of Column 6W from I93 in Boston, Massachusetts
The first phase of the suppression of Boston's Central Artery included the Early Viaduct Construction in the Central Artery North Area. This project required that Column 6W...
Permanent Structure as Part of the Underpinning System for Boston's Central Artery
The Central Artery, a major six lane structural steel viaduct, has been one of Boston's most significant roadways over the past three decades. Increasing congestion, accidents,...
Composite Twin Tub Bridge Erection Intersection of Interstate I-84 and I-94 in Hartford, Connecticut
Curved bridge erection requires detailed preparation by the contractor, plus a sharing of responsibility and liability between the owner, designer of the new structure and the contractor....
Wrapping up Environmental Issues in an Embankment
Contamination on a construction site can lead to increased risk of unanticipated construction delays and increased costs. In response, some owners are opting for proactive approaches to...
Project Controls for Denver International Airport
Managing a $2 billion dollar construction program requires a unique application of tried and true control systems and provides an opportunity to innovate new methods. The Program utilizes...
Project Controls on the Channel Tunnel Project
Establishing controls for a multi-facted, multi-billion dollar, privately financed, project which is run by two organisations created solely for that one project has been a major challenge....
A National Research Agenda to Enhance the Civil Engineering Profession Today and in the Future
The civil engineering profession of yesterday and today is highlighted by the design and construction of impressive projects in energy, transportation, buildings, and power systems. Innovative...
Restructuring Responsibility and Reward for More Construction Innovation
This paper proposes modifications to the contractual systems customary in the U.S. construction industry with the objective of encouraging technology innovation. The relationships among...
Partnering: Contracting for Quality
The concept of partnering is an approach to conducting business that confronts the economic and technological challenges confronting the U.S. Construction Industry in the 1990's....
The Free Trade Agreement and Working on Each Other's Turf
The Free Trade Agreement between Canada and the United States is a catalyst for increased cross border construction work. The impact on the Canadian economy is considered. Somes negative...
Construction Inspection in South Carolina
The paper will discuss the experience of the South Carolina Department of Transportation in the use of consulting engineering firms on bridge construction projects. A review of the current...
Consultant Construction Engineering and Inspection Practices Within the Florida Department of Transportation
This paper presents an overview of the Florida Department of Transportation (FDOT) approach to a program utilizing Construction Consultant Construction Engineering and Inspection (C-CEI)....
Introduction to Immersed Tube Tunneling Symposium
Today's Symposium on Immersed Tube Tunneling is a continuation of a series of papers that began at Construction Congress '89 with discussion of mined tunnel subaqueous...
Central Artery (I-93)/Tunnel (I-90) Project
This paper is intended to provide an overview of the Boston Central Artery/Tunnel Project (CA/T) Project; a $4.9 billion USD interstate highway constructed underground through a densely...
Geotechnical and Construction Aspects of the Immersed Tube Tunnel in Boston Harbor
An immersed tube tunnel (ITT) approximately 3,850 feet in length will be constructed as a part of the Central Artery/Tunnel Interstate Highway Project located in Boston, Massachusetts....
Seismic Design Issues for Immersed Tube Tunnels
This paper provides an overview of the issues and the state of the art techniques in the seismic design of immersed tube tunnels (ITT). Particular focus is given to the ITT presently planned...
Immersed Tube Tunnel, Boston, Massachusetts
A four-lane Immersed Tube Tunnel is planned for the crossing of Boston Harbor from the City of Boston to the Logan Airport area in East Boston. The immersed tube consists of 12 sections...
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