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...
Temporary Traffic Deck Over Braced Excavation
A case history is used to examine the planning, design, and installation of a temporary traffic deck over a 23-foot-deep braced excavation. The deck was installed in a three-phase sequence...
Modular-Prestressed Shoring System for Demolition
Two case histories are used to present the development and performance of a modular prestressed vertical shoring system to control deflections of existing structures during the demolition...
Historical Background
Discussions on payments for encountering unexpected conditions in construction commenced in 1960 and subsequent programs were presented in 1963, 1989 and 1991. The current symposium contains...
Who Pays for the Unexpected in Construction? A Heavy Construction Contractor's Viewpoint
The complex question of who pays for the unexpected in construction is analyzed using several examples from experience. In addition to the unexpected being due to subsurface conditions,...
Who Pays for the Unexpected in Construction??Owner as Engineer's Point of View
In the case of an unexpected discovery or development, it potentially may evolve into a three-cornered dispute among the Owner, Engineer, and Contractor. Frequently, it may become a two-sided...
Who Pays for the Unexpected in Construction?
Unexpected events of major concern result from voluntary risks taken by one or more of the parties to a construction contract. The party taking the risk should reap the reward or pay the...
Who Pays for the Unexpected in Construction: The Geotechnical Contractor's Point of View
Unexpected conditions are inherent in most construction projects and often lead to claims and legal action. Contract risk avoidance language force owners, engineers and contractors to...
Who Pays for the Unexpected in Construction
A grouting contractor's point of view on who pays for the unexpected in construction is presented. Because grouting can be used as an alternative for other construction procedures,...
Who Pays for the Unexpected in Construction??The Lawyer's Point of View
Encountering the unexpected is to be expected - it is one of the risks inherent in construction. While encountering the unexpected cannot be completely prevented, steps to (1) reduce the...
Who Pays for the Unexpected in Construction?An Architect's Viewpoint
As an Architect, who in the first instance is contractually obligated to address the full range of design discipline services, the question of 'who pays for the unexpected...
Who Pays for the Unexpected in Construction: Hi-Rise Engineers Point of View
The unexpected in high-rise construction can be traced to design criteria evolving from environmental models and probes, as well as 3 general problems dealing with quality control in contract...
Who Pays for the Unexpected in Construction? The Law, the Courts and ADR
If the question as to who pays for the unexpected in construction has to be answered because the parties have not amicably resolved a particular dispute, that answer will depend upon the...
Laboratory and Field Research in Construction Automation
This paper presents a series of research projects to build and test prototype systems. It has been found that prototyping provides an economical approach to support both basic and applied...
Construction and Robotics: Problems and Solutions
The role of robotics in construction, and the role played by construction engineers (CE's) is placed in perspective. Robot development, like machine manufacture, has always...
Generic Framework for Evaluation of Multiple Construction Robots
This paper develops a generic framework that can be used to quantitatively evaluate multiple construction robots. An attempt has been made to link the business goals of top-level company...
Productivity Applications: 3D Models & Simulation
Background. Although three-dimensional computer models have been used to some degree in practice by a few large engineering and construction firms, there has been little research into...
Construction Accident Analysis: The Inductive Learning Approach
This paper presents the use of inductive learning in the analysis of construction accidents. It provides a brief description of ROUGH, an inductive system based on the theory of rough...
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