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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 />NA For other mechanical cooling systems <br />(includes DX and chilled water coils) that <br />control space temperature by modulating <br />airflow (in lieu of, or in addition to, <br />controlling capacity in response to space <br />temperature) - Provide fan controls for <br />modulating supply airflow; indicate minimum <br />fan speed is <_ 50% of full speed drawing <_ <br />30% of full speed fan power during periods of <br />low cooling or ventilation only; or exception <br />applied <br />ADDITIONAL EFFICIENCY PACKAGE OPTION, MORE EFFICIENT HVAC EQUIPMENT & FAN PERFORMANCE - MUST COMPLY <br />WITH ALL 3 PROVISIONS TO BE ELIGIBLE <br />C406.2.1 <br />HVAC system To comply with this additional efficiency <br />selection credit, provide calculations that demonstrate <br />(based on heating and cooling output capacity) <br />that 90% or more of all HVAC equipment <br />serving conditioned floor areas have a <br />corresponding WSEC listed efficiency; or <br />exception applied <br />C406.2.2 Minimum equipment In addition to system selection requirement, <br />efficiency indicate that all associated heating and cooling <br />equipment have a rated efficiency for all <br />equipment performance criteria (heating, <br />cooling, full load, part load) that is at least <br />15% better than the listed WSEC efficiency; <br />include specific equipment exceptions applied <br />For systems required to provide a TSPR <br />report per C403.1.1, demonstrate that the <br />proposed design ratio is at minimum 10% <br />higher than the standard reference design ratio <br />For projects complying via weighted average <br />efficiency exception, include calculations that <br />demonstrate the overall average better than <br />code efficiency of all equipment performance <br />criteria for all equipment is > 15%; indicate <br />that all equipment has at least 5% better than <br />code efficiency <br />For systems serving low energy and semi - <br />heated spaces, indicate that 90% or more of <br />installed heating output capacity is provided <br />by electric infrared or gas -fired radiant <br />equipment for localized heating applications <br />only <br />C406.2.3 Minimum fan In addition to system selection and efficiency <br />efficiency grade requirements, indicate rated FEG of all Z 1 hp <br />(750 watt) stand alone supply, return and <br />exhaust fans is >_ 71; indicate these fans are <br />sized so the fan efficiency at design <br />conditions is within 10% of the maximum <br />total or static efficiency <br />VENTILATION, EXHAUST & ENERGY RECOVERY <br />YES C403.2.2.1 Ventilation Indicate method of ventilation air delivery <br />(natural or mechanical) for each zone <br />Page 6125 <br />