Design Development

Early hiring and meeting attendance by the CxA during Enhanced Commissioning may be perceived as high cost, but should allow reduced on-site presence during construction and reduced errors during design and installation. It facilitates a preventive rather

Early hiring and meeting attendance by the

Read more about Early hiring and meeting attendance by the CxA during Enhanced Commissioning may be perceived as high cost, but should allow reduced on-site presence during construction and reduced errors during design and installation. It facilitates a preventive rather

Although the CxA is not expected to deliver much during design, the presence of the CxA in the team meetings and drawings development is more integrated into the process. The team also gets to learn more about the commissioning activities and tailor the d

Although the

Read more about Although the CxA is not expected to deliver much during design, the presence of the CxA in the team meetings and drawings development is more integrated into the process. The team also gets to learn more about the commissioning activities and tailor the d

The CxA’s main role is to be the technical expert in the owner’s team. It is in the owner’s or client best interest to hire a CxA by design development and introduce the project goals, team and schedule.

The CxA’s main role is to provide third-party verification that the design is installed and operating as per construction documents. The

Read more about The CxA’s main role is to be the technical expert in the owner’s team. It is in the owner’s or client best interest to hire a CxA by design development and introduce the project goals, team and schedule.

Request that proposals provide fee breakdowns for fundamental and enhanced commissioning. This would allow the owner to know the cost differential between the services and consider enhanced commissioning.

Request that proposals provide fee breakdowns for fundamental and enhanced commissioning.

Read more about Request that proposals provide fee breakdowns for fundamental and enhanced commissioning. This would allow the owner to know the cost differential between the services and consider enhanced commissioning.

The RFP process should involve the architect and mechanical engineer to be sure that it accurately reflects the project’s requirements. The mechanical engineer lists all the building systems equipment to be commissioned and identifies the required samplin

ASHRAE Guideline 0 and most commissioning guidelines and process handbooks suggest hiring a

Read more about The RFP process should involve the architect and mechanical engineer to be sure that it accurately reflects the project’s requirements. The mechanical engineer lists all the building systems equipment to be commissioned and identifies the required samplin

For best value the Cx agent hiring process should start during design development when mechanical systems are identified and Cx hired by the end of design development. Put together the Cx RFP and select the CxA. This is more critical if the project

For best value the

Read more about For best value the Cx agent hiring process should start during design development when mechanical systems are identified and Cx hired by the end of design development.  Put together the Cx RFP and select the CxA. This is more critical if the project

Ensure that all acoustical considerations are included on project drawings and specifications.

Ensure that all acoustical considerations are included on project drawings and specifications.

Read more about Ensure that all acoustical considerations are included on project drawings and specifications.

Selecting mechanical equipment with low noise levels, specifically in the 60 Hz and 125 Hz octave-bands, will reduce the extent of noise mitigation and associated costs needed to reach the acceptable background noise levels.

Selecting mechanical equipment with low noise levels, specifically in the 60 Hz and 125 Hz octave-bands, will reduce the extent of noise mitigation and associated costs needed to reach the acceptable background noise levels.

Read more about Selecting mechanical equipment with low noise levels, specifically in the 60 Hz and 125 Hz octave-bands, will reduce the extent of noise mitigation and associated costs needed to reach the acceptable background noise levels.

Meeting the background noise level requirements typically will bring a minimal cost increase due to upgrades in mechanical equipment and calculations. There could be a substantial cost increase if a redesign with upgrades is necessary.

Meeting the background noise level requirements typically will bring a minimal cost increase due to upgrades in mechanical equipment and calculations. There could be a substantial cost increase if a redesign with upgrades is necessary.

Read more about Meeting the background noise level requirements typically will bring a minimal cost increase due to upgrades in mechanical equipment and calculations. There could be a substantial cost increase if a redesign with upgrades is necessary.

It may be difficult to appropriately calculate the effectiveness of duct silencers. It is important to select an appropriate silencer and to place them properly within the ductwork layout. Designers should work with an acoustics consultant, or closely wit

It may be difficult to appropriately calculate the effectiveness of duct silencers. It is important to select an appropriate silencer and to place them properly within the ductwork layout. Designers should work with an acoustics consultant, or closely with the manufacturer, if the mechanical engineer is not familiar with these installation and calculation issues.

Read more about It may be difficult to appropriately calculate the effectiveness of duct silencers. It is important to select an appropriate silencer and to place them properly within the ductwork layout. Designers should work with an acoustics consultant, or closely wit

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Design Development