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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 /> C403.3.5.2 Heating/cooling Indicate systems and equipment associated <br /> system controls with with the delivery of zone level heating and <br /> DOAS cooling(fans,hydronic pumps,primary air <br /> dampers,etc)are configured to shut off,and <br /> central eqiupment is configured to turn down, <br /> when there is no call for heating or cooling in <br /> the zone they serve <br /> If applying Exception to heating/cooling fans <br /> used for air mixing in the space during <br /> deadband periods,include fan watts per cfm <br /> in equipment schedule <br /> C403.3.5.3 Decoupled DOAS Indicate method of delivery of DOAS supply <br /> supply air air to the occupied space(directly into space, <br /> downstream of terminal heating/cooling <br /> coils);or exception applied <br /> C403.6.1 Multiple zone DOAS For DOAS serving multiple zones,indicate <br /> controls configured to reduce the volume of <br /> outdoor air in each zone independently when <br /> the zone is unoccupied;or exception applied <br /> ADDITIONAL EFFICIENCY CREDITS-DEDICATED OUTSIDE AIR SYSTEMS(DOAS) <br /> C406.6 DOAS For building occupancies not subject to the <br /> requirements of Section C403.3.5,to comply <br /> with this additional efficiency credit,provide <br /> calculations that demonstrate 90%or more of <br /> the total floor area of all occupied, <br /> conditioned spaces are served by a DOAS per <br /> C403.3.5 <br /> C406.7 High performance For all building occupancies,to comply with <br /> DOAS-Energy this additional efficiency credit,demonstrate <br /> recovery compliance with C406.6 <br /> effectiveness and fan <br /> power Indicate energy recovery sensible <br /> effectiveness of all DOAS is>_80% <br /> For each system,indicate that total system fan <br /> power does not exceed 0.5 watts per cfm <br /> FANS AND FAN CONTROLS <br /> NA C403.8.1 Fan power limitation For all HVAC fan systems that provide <br /> heating and/or cooling and all DOAS, <br /> provide system total nameplate hp in <br /> equipment schedules on project plans <br /> NA For all applicable HVAC systems with total <br /> fan motor nameplate hp>5hp,verify fan <br /> system motor hp or bhp complies with fan <br /> power limits per equations in Table <br /> C403.8.1(1) <br /> NA Terminal units installed in conjunction with a <br /> DOAS(hydroninc heat pumps,VRF heat <br /> pumps,chilled/hot water terminal units, <br /> variable volume terminal units)shall be <br /> treated as independent air-handling units for <br /> purposes of fan power calculations <br /> Page 4125 <br />