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Mechanical Requirements • • • of <br /> 2018 WSEC Requirements for Commercial Buildings including Group R2,R3&R4 over 3 stories&all R1 -- Administered by @2024 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 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 /> NA C403.2.2.1 Ventilation Indicate method of ventilation air delivery <br /> (natural or mechanical)for each zone <br /> Page 6125 <br />