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| This scope of work involves quantifying the existing system or systems, as well as qualifying the existing installation. Based on survey information, interviews with facility engineering, operations and maintenance personnel, various options of DDC system alternatives are recommended. Based on the existing installation, local vendor capability, planned new construction and renovation, procurement guidelines, personnel capabilities and desired system features, Facility Dynamics recommends various options with cost and operational impacts. A particular focus is the evaluation of various procurement cost options. We evaluate sole sourcing, competitive strategies and interoperability issues. Our procurement options include the evaluation of unit costing of typical HVAC system configurations. |
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| As a follow on to the master planning effort, we have developed standard guide specifications for HVAC DDC systems. These guide specifications include hardware, software and installation details as well as standard control sequences and points lists. The standard sequences assist in conformity of the common HVAC systems that are typically applied today. The end result is to standardize around a level of complexity that is appropriate for the given application and can be understood by the operation personnel. This sequence can be replicated on similar systems. For example, there is no need to have dozens of versions of a control sequence for similar VAV AHU system installations. |
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