Many factors affect the amount of temperature-induced movement that occurs in a building and the extent to which this movement can occur before serious damage develops or extensive maintenance is required. In some cases joints are being omitted where they are needed, creating a risk of structural failures or causing unnecessary operations and maintenance costs. In other cases, expansion joints are being used where they are not required, increasing the initial cost of construction and creating space utilization problems. As of 1974, there were no nationally acceptable procedures for precise determination of the size and the location of expansion joints in buildings. Most designers and federal construction agencies individually adopted and developed guidelines based on experience and rough calculations leading to significant differences in the various guidelines used for locating and sizing expansion joints. In response to this complex problem, Expansion Joints in Buildings: Technical Report No. 65 provides federal agencies with practical procedures for evaluating the need for through-building expansion joints in structural framing systems. The report offers guidelines and criteria to standardize the practice of expansion joints in buildings and decrease problems associated with the misuse of expansions joints. Expansions Joints in Buildings: Technical Report No. 65 also makes notable recommendations concerning expansion, isolation, joints, and the manner in which they permit separate segments of the structural frame to expand and to contract in response to temperature fluctuations without adversely affecting the buildings structural integrity or serviceability.
Many factors affect the amount of temperature-induced movement that occurs in a building and the extent to which this movement can occur before serious damage develops or extensive maintenance is required. In some cases joints are being omitted where they are needed, creating a risk of structural failures or causing unnecessary operations and maintenance costs. In other cases, expansion joints are being used where they are not required, increasing the initial cost of construction and creating space utilization problems. As of 1974, there were no nationally acceptable procedures for precise determination of the size and the location of expansion joints in buildings. Most designers and federal construction agencies individually adopted and developed guidelines based on experience and rough calculations leading to significant differences in the various guidelines used for locating and sizing expansion joints. In response to this complex problem, Expansion Joints in Buildings: Technical Report No. 65 provides federal agencies with practical procedures for evaluating the need for through-building expansion joints in structural framing systems. The report offers guidelines and criteria to standardize the practice of expansion joints in buildings and decrease problems associated with the misuse of expansions joints. Expansions Joints in Buildings: Technical Report No. 65 also makes notable recommendations concerning expansion, isolation, joints, and the manner in which they permit separate segments of the structural frame to expand and to contract in response to temperature fluctuations without adversely affecting the buildings structural integrity or serviceability.
The federal government, like private corporations and other organizations, acquires buildings and other facilities to support specific functions and missions and the general conduct of its business. The federal government is, in fact, the nation's largest owner of buildings and spends more than $20 billion per year for facility design and construction. Adding Value to the Facility Acquisition Processidentifies a range of best practices and technologies that can be used by federal agencies and other owners to provide adequate management and oversight of design reviews throughout the facility acquisition process.
Although most federal facilities projects are successfully completed (i.e., they reasonably meet the agency's requirements and expectations), the perception is that development of the scope of work for design for these projects is challenging and in some cases poorly performed. Based on this perception, a study was commissioned by the Federal Facilities Council (FFC) of the National Research Council to identify the elements that should be included in a scope of work for design to help ensure that the resulting facility is one that supports the fulfillment of a federal agency's program or mission. Its objectives also included identifying key practices for developing effective scopes of work for design involving new construction or major renovation projects and identifying key practices for matching the scope of work with the acquisition strategy, given a range of project delivery systems and contract methods.
The federal government, like private corporations and other organizations, acquires buildings and other facilities to support specific functions and missions and the general conduct of its business. The federal government is, in fact, the nation's largest owner of buildings and spends more than $20 billion per year for facility design and construction. Adding Value to the Facility Acquisition Processidentifies a range of best practices and technologies that can be used by federal agencies and other owners to provide adequate management and oversight of design reviews throughout the facility acquisition process.
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