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  • Building Control Graphics Criteria Update: Standards and Criteria Project 23T12

    Abstract: This US Army Corps of Engineers (USACE) Standards and Criteria effort recommends updates to the building-graphics-related content in Unified Facilities Criteria (UFC) 3-470-01 and Unified Facilities Guide Specifications (UFGS) 25 10 10. Building graphics serve as the primary facility interface and are required for any HVAC controls integration project to a base-wide system; however, the current lack of criteria significantly limits their effectiveness and regularly yields inconsistent, low-quality tools for end users. This project developed “Guiding Principles” of good HVAC graphics along with the criteria language to assist the DoD in procuring and implement-ing good graphics. This report includes extensive illustrations to demonstrate good versus poor implementations of the proposed criteria. The intent is not to establish DoD-level graphics standards with these images but give a litmus test to designers and quality assurance staff for what right (and wrong) looks like. Primary recommendations are for graphics drawings designer responsibilities and contractor shop drawing requirements where installation standards are unavailable. Both designer criteria and spec-level functionality are defined using the Guiding Principles developed in this report. Future re-search topics are also described for enhanced trending capabilities, development of standard HVAC system-level performance indicators, and cloud-based connections to ongoing commissioning (OCx) systems.