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Mechanical Requirements • • 14 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 /> ECONOMIZERS <br /> YES C403.5 Air economizer Identify all cooling systems requiring air <br /> required economizer controls in equipment schedules <br /> on plans and in WSEC mechanical equipment <br /> compliance reports <br /> NA Indicate all systems utilizing air economizer <br /> exceptions in WSEC mechanical equipment <br /> compliance report,including those with water- <br /> side economizer in lieu of air economizer; <br /> indicate on plans and in WSEC mechanical <br /> equipment compliance reports all eligible <br /> exception(s)taken and measures to comply <br /> with exception(s) <br /> NA C403.4.1 Integrated Indicate air and water-side economizers are <br /> C403.5.1 economizer operation configured for partial cooling operation even <br /> -air and water where additional mechanical cooling is <br /> required to meet the load <br /> NA For DX air handlers with single or multiple <br /> stages of mechanical cooling;indicate controls <br /> are configured with air economizer as the first <br /> stage of cooling <br /> NA Refer to Requirements List section HVAC <br /> Controls for additional requirements for DX <br /> air handlers <br /> NA C403.5.2 Economizer heating Verify control method of HVAC systems with <br /> system impact-air economizers does not increase building <br /> and water heating energy usage during normal operation <br /> NA C403.5.3.1 Air economizer Indicate modulating outdoor air and return air <br /> capacity dampers are configured to provide up to <br /> 100%outdoor air for cooling <br /> NA C403.5.1 Air economizer Indicate that economizer controls are <br /> C403.5.3.2 controls and configured to provide partial economizer <br /> integrated operation cooling when additional mechanical cooling is <br /> also required to meet the cooling load <br /> NA Indicate that control of economizer dampers <br /> is not based only on mixed air temperature;or <br /> exception applied for systems with cooling <br /> capacity<65,000 Btu/h <br /> NA C403.5.3.3 Air economizer high Indicate high limit shut-off control method <br /> limit controls and required high limit per Table C403.5.3.3 <br /> NA C403.5.3.4 Relief of excess Refer to Requirements List section <br /> outdoor air Ventilation,Exhaust&Energy Recovery <br /> NA Indicate relief air outlets are sized and <br /> configured to relieve excess building air <br /> during air economizer operation to prevent <br /> building over-pressurization <br /> NA Indicate relief air outlet are located to avoid <br /> recirculation into the building <br /> Page 14125 <br />