OPR should be included in contract documents for informational purposes, and be updated regularly throughout the Cx process to reflect any changes necessitated by the owner.Ħ.
Whereas Guideline 0-2005 provided suggestions and guides through the Cx process, Standard 202 details the mandatory requirements of Cx that can be used and adopted by code officials. It addresses the need for a document with more detail and content than was previously available. This standard also describes the general requirements for a training program for continued successful system and equipment performance. In summary, the standard describes the commissioning process, the role of the commissioning authority (CxA), and a framework for developing the owner’s project requirements (OPR), basis of design (BOD), commissioning plan, specifications, procedures, documentation, and reports.
Retro-Commissioning goals, objectives, and the level of rigor, may vary depending upon the current needs of the owner, the focus on dynamic energy-using systems with the intent to reduce energy waste, obtaining energy cost savings, or identifying and correcting existing problems, if any.This article will discuss the basics of Standard 202-2013, but more importantly provide several examples from recent RCx projects that show that commissioning really is needed. Although RCx may result in recommendations to investigate further capital improvements, O&M tune-up activities and diagnostic testing are primarily used to optimize existing systems. An inclusive and systematic process, RCx is intended not only to optimize how equipment and systems operate but also to optimize how the systems function together. In fact, original design documentation may no longer exist or may be irrelevant. RCx may or may not bring the building back to its original intended design. Retro-Commissioning applies systematic investigation processes for improving and optimizing the operation of buildings and facilities. Retro-Commissioning (RCx) is performed for existing buildings and includes a comprehensive energy audit to measure, document and understand the existing performance of the building.
Whole Building Commissioning also conditions the following systems to verify the integrity of the building envelope: chillers, pumps, VFDs, cooling towers, controls) Where LEED, CHPS or CALGreen Certifications are needed, AlliancePROJECT provides specifically required Prerequisite Cx and Enhanced Cx, and the necessary documentation to satisfy certification requirements.ĪlliancePROJECT typically Commissions the following Building Systems: Our specialists excel in engineering design, system design and implementation, and forensic engineering across a broad spectrum of industry scenarios.ĪlliancePROJECT performs Building Commissioning (BCx), Whole Building Commissioning (WBCx), and Retro-Commissioning (RCx) in accordance with ASHRAE Guideline 0-2005 and above. Our Certified Commissioning Agents (CxA) have a depth of experience, counted in years and projects which ensures both familiarity and expertise with the variety of systems available in today’s market as well as those found in yesterday’s. If your building isn’t performing the way you think it should, you need Building Commissioning Sometimes the gap between what a building does and what it is supposed to do is surprisingly wide, and without commissioning, ownership might not realize that a tolerably functioning building could be functioning much better - at a savings in operational costs. Building Commissioning makes the most of your energy dollars.