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Author: Sidney Scott III
Publisher: Transportation Research Board
ISBN: 0309273889
Category : African Americans
Languages : en
Pages : 160
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Book Description
This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, presents a flexible framework that specifiers may use to assess whether performance specifying represents a viable option for a particular project or project element. If it is indeed a viable option, the Guide discusses how performance specifications may then be developed and used to achieve project-specific goals and satisfy user needs.
Author: Sidney Scott III
Publisher: Transportation Research Board
ISBN: 0309273889
Category : African Americans
Languages : en
Pages : 160
Get Book Here
Book Description
This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, presents a flexible framework that specifiers may use to assess whether performance specifying represents a viable option for a particular project or project element. If it is indeed a viable option, the Guide discusses how performance specifications may then be developed and used to achieve project-specific goals and satisfy user needs.
Author:
Publisher:
ISBN:
Category : Electronic book
Languages : en
Pages :
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Book Description
Author: Sidney Scott
Publisher:
ISBN: 9780309273398
Category : Road construction contracts
Languages : en
Pages : 74
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Book Description
"The majority of specifications used by state departments of transportation (DOTs) attempt to describe how a construction contractor should conduct certain operations using minimum standards of equipment and materials. These prescriptive specifications, commonly known as method specifications, have generally worked well in the past. However, with changes in the technology and the emphasis on providing more rapid solutions, more innovative specifications may be required in the future. Performance specifications can be used as a communication tool that translates the owner's performance requirements into language that will allow the contracting industry to understand, plan, and build the project to meet the requirements. Over the past decades many transportation agencies have experienced workforce reductions, thus diminishing the level of experience and number of engineers and inspectors. These demands have caused some agencies to experiment with the use of performance specifications in an effort to meet both the initial quality and long-term durability needs of the constructed products. Performance specifications have been used successfully on a project-by-project basis, but a general framework is needed to help agencies use performance specifications systematically. This guide and the associated materials provide a framework that state DOTs can use to develop performance specifications; they include sample specifications language and implementation guidelines for both managers and specification writers. The objective of this project was to develop performance specifications and strategies to accelerate construction, minimize disruption to traffic and community, and produce long-life facilities in the interest of rapid renewal. The final report documents the methodology used to create the products that were developed as part of the project. The products of the research include (1) guide performance specifications for different application areas and contracting mechanisms, which agencies can tailor to address project-specific requirements; (2) an implementation guide for executives and decision makers, which presents a broad overview of the benefits and challenges associated with implementing performance specifications; and (3) a guide for specification writers, which provides a step-by-step "how-to" guide for developing performance specifications and using the model performance specifications that were developed as part of this project. The report, supporting guidelines, and model guide specifications will be useful to state DOTs, municipal agencies, consultants, and construction contractors. These products provide a starting point for an agency that wants to investigate the use of performance specifications as part of its routine operations"--Foreword.
Author: David A. Anderson
Publisher: Transportation Research Board
ISBN: 9780309048552
Category : Technology & Engineering
Languages : en
Pages : 132
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Book Description
Author: Sidney Scott
Publisher:
ISBN: 9780309273374
Category : Road construction contracts
Languages : en
Pages : 74
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Book Description
"The majority of specifications used by state departments of transportation (DOTs) attempt to describe how a construction contractor should conduct certain operations using minimum standards of equipment and materials. These prescriptive specifications, commonly known as method specifications, have generally worked well in the past. However, with changes in the technology and the emphasis on providing more rapid solutions, more innovative specifications may be required in the future. Performance specifications can be used as a communication tool that translates the owner's performance requirements into language that will allow the contracting industry to understand, plan, and build the project to meet the requirements. Over the past decades many transportation agencies have experienced workforce reductions, thus diminishing the level of experience and number of engineers and inspectors. These demands have caused some agencies to experiment with the use of performance specifications in an effort to meet both the initial quality and long-term durability needs of the constructed products. Performance specifications have been used successfully on a project-by-project basis, but a general framework is needed to help agencies use performance specifications systematically. This report and the associated materials provide a framework that state DOTs can use to develop performance specifications; they include sample specifications language and implementation guidelines for both managers and specification writers. The objective of this project was to develop performance specifications and strategies to accelerate construction, minimize disruption to traffic and community, and produce long-life facilities in the interest of rapid renewal. The final report documents the methodology used to create the products that were developed as part of the project. The products of the research include (1) guide performance specifications for different application areas and contracting mechanisms, which agencies can tailor to address project-specific requirements; (2) an implementation guide for executives and decision makers, which presents a broad overview of the benefits and challenges associated with implementing performance specifications; and (3) a step-by-step "how to" guide for specification writers for developing performance specifications and using the model performance specifications that were developed as part of this project. The report, supporting guidelines, and model guide specifications will be useful to state DOTs, municipal agencies, consultants, and construction contractors. These products provide a starting point for an agency that wants to investigate the use of performance specifications as part of its routine operations."--Foreword.
Author: Jae-ho Choi
Publisher:
ISBN:
Category :
Languages : en
Pages : 244
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Book Description
Author: James K. Cable
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 32
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Book Description
The goal in highway construction and operation has shifted from method based specifications to specifications relating desired performance attributes to materials, mix designs, and construction methods. Shifting from method specifications to performance based specifications can work as an incentive or disincentive for the contractor to improve performance or extend pavement life. This literature search was directed at a review of existing portland cement concrete performance specification development, and the criteria that can effectively measure pavement performance. The criteria identified in the literature include concrete strength, slab thickness, air content, initial smoothness, water-cement ratio, unit weight, and slump. A description of each criterion, along with the advantages, disadvantages, and test methods for each are identified. Also included are the results from a survey that was sent out to various state, federal, and trade agencies. The responses indicated that 53% currently use or are developing a performance based specification program. Of the 47% of agencies that do not use a performance based specification program, over 34% indicated that they would consider a similar program. The most commonly measured characteristics include thickness, strength, smoothness, and air content. Lastly recommendations and conclusions are made regarding other factors that affect pavement performance and a proposed second phase of the research is suggested. The research team suggests that a regional expert task group be formed to identify performance levels and criteria. The results of that effort will guide the research team in the development of new or revised specifications.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Author: Sidney Scott
Publisher:
ISBN: 9780309273312
Category : Road construction contracts
Languages : en
Pages : 142
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Book Description
"The majority of specifications used by state departments of transportation (DOTs) attempt to describe how a construction contractor should conduct certain operations using minimum standards of equipment and materials. These prescriptive specifications, commonly known as method specifications, have generally worked well in the past. However, with changes in the technology and the emphasis on providing more rapid solutions, more innovative specifications may be required in the future. Performance specifications can be used as a communication tool that translates the owner's performance requirements into language that will allow the contracting industry to understand, plan, and build the project to meet the requirements. Over the past decades many transportation agencies have experienced workforce reductions, thus diminishing the level of experience and number of engineers and inspectors. These demands have caused some agencies to experiment with the use of performance specifications in an effort to meet both the initial quality and long-term durability needs of the constructed products. Performance specifications have been used successfully on a project-by-project basis, but a general framework is needed to help agencies use performance specifications systematically. This report and the associated materials provide a framework that state DOTs can use to develop performance specifications; they include sample specifications language and implementation guidelines for both managers and specification writers."--Foreword.
Author: Sarah Lupton
Publisher:
ISBN: 9781859460153
Category : Buildings
Languages : en
Pages : 65
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Book Description
