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2018 WSEC Requirements for Commercial Buildings including Group R2, R3 & R4 over 3 stories & all R1 -- Administered by @2022 NEEA, All rights reserved <br />The following information is necessary to check a mechanical permit application for compliance with the mechanical systems and equipment requirements in the <br />Washington State Energy Code, Commercial Provisions. <br />For questions about this report, contact WSEC Commercial Technical Support at 360-539-5300 or via email at com.techsupport@waenergycodes.com <br />C403.6.1 <br />Air systems serving <br />Identify supply air systems serving multiple <br />multiple zones <br />zones and the zones they serve on plans; <br />indicate whether system is VAV and method <br />of primary air control; or provide supporting <br />documentation for applied exception to VAV <br />C403.6.1 <br />VAV air terminal <br />Provide equipment schedules on plans that list <br />primary supply <br />all VAV air terminals and types (fan -powered <br />airflow <br />series and parallel air terminals, single duct <br />and dual duct air terminals, etc) <br />For each air terminal include: maximum <br />primary supply airflow rates during zone peak <br />heating and zone peak cooling; maximum <br />terminal airflow during reheating, recooling or <br />mixing; minimum ventilation airflow rate, and <br />the basis for these values; if IMC or ASHRAE <br />62.1 multiple zone equation is the basis for <br />minimum flow rates, provide this calculation <br />on plans <br />C403.6.2 <br />Single duct VAV <br />Indicate single duct terminal units are <br />terminal units <br />configured to reduce primary supply air <br />before reheating or recooling <br />C403.6.3 <br />Dual duct systems - <br />For systems with separate warm air and cool <br />terminal units <br />air ducts, indicate terminal units are <br />configured to reduce the flow from one duct <br />to minimum before mixing with air from the <br />other duct <br />C403.6.8C40 <br />VAV system static - <br />Indicate locations of duct static pressure <br />3.6.9 <br />pressure sensors and <br />sensors on plans; include at least one sensor <br />DDC set points <br />per major duct branch; verify controller <br />setpoint pressure at each sensor is <_ 1.2 inch <br />w.g. <br />For systems with zone level DDC, indicate <br />controls are configured to monitor zone <br />damper positions and reset static pressure <br />setpoint based on the zone requiring most <br />pressure; include control logic that <br />automatically detects and generates an alarm <br />if any zone excessively drives reset logic, and <br />allows building operators to exclude zones <br />from reset logic <br />C403.6.4 <br />VAV system supply <br />Indicate controls automatically reset supply <br />air reset <br />air temperature in response to building loads <br />or outdoor air temperature; or exception <br />applied <br />C403.6.5 <br />Multiple -zone VAV <br />For systems with zone level DDC controls, <br />system ventilation <br />indicate controls are configured to <br />optimization controls <br />automatically reduce outdoor airflow in <br />response to changes in system ventilation <br />efficiency; or exception applied <br />Page 19125 <br />