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Mechanical Requirements • • of <br /> 2021 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 C405.8 Electric motor List all motors> 1/12 hp(that are not integral <br /> efficiency to a rated piece of equipment)in the <br /> mechanical or electrical equipment schedules <br /> on plans;indicate motor type and applicable <br /> efficiency table,hp,rpm,number of poles and <br /> rated efficiency,or exception applied <br /> NA C403.3.2.1 Gas and oil-fired For gas and oil fired forced air furnaces with <br /> forced air furnace capacity>225,000 Btu/h and all unit heaters, <br /> and unit heaters indicate in equipment schedule intermittent <br /> ignition or IID,flue or draft damper,and <br /> rated jacket loss <br /> NA C403.3.3 Hot gas bypass For cooling equipment with hot gas bypass, <br /> limitation for DX provide either multiple step unloading or <br /> cooling equipment continuous capacity modulation;indicate <br /> bypass capacity per Table C403.3.3 <br /> NA C403.3.2.7 Humidification For cooling systems with humidification <br /> equipment that are also required to have air <br /> economizer,indicate humidifier is adiabatic <br /> (direct evaporative or fog atomization),or <br /> exception applied <br /> C403.3.2 Hydronic equipment Refer to Requirements List section Hydronic <br /> Systems-Equipment Selection& <br /> Performance for selection criteria specific to <br /> chillers and boilers <br /> NA C403.9 Heat rejection Refer to Requirements List section Heat <br /> equipment Rejection Systems-Equipment Selection& <br /> Performance for selection criteria specific to <br /> cooling towers,dry coolers and condensers <br /> (air-cooled and evaporative) <br /> NA C403.13 Dehumidification in Indicate dehumidification equipment serving <br /> spaces for plant plant growth spaces and which C403.13 <br /> growth compliance option is met <br /> EQUIPMENT SELECTION&PERFORMANCE-DEDICATED OUTSIDE AIR SYSTEMS(DOAS) <br /> NA C403.3.5.5 DOAS supplemental If DOAS has heating capability,indicate <br /> C403.7.3 heating and cooling hearing controlled to limit supply air to<_ <br /> 55°F.If heating is used for defrost control, <br /> indicate heat is to be locked out when outdoor <br /> air temperature is<_35°F,modulates to 10% <br /> of peak capacity.Provide sizing calculations <br /> that show heating capacity sized at design <br /> temperatures to prevent damage to unit and <br /> heat supply air<_55°F. <br /> NA C403.3.5.5 DOAS supplemental If DOAS has cooling capability,indicate <br /> heating and cooling cooling coil is used only for dehumidification <br /> only,is sized to meet the peak <br /> dehumidification requirement at design <br /> conditions,and is controlled to maintain <br /> supply air or zone relative humidity. <br /> Page 4132 <br />