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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 /> C403.6.6 Parallel fan powered Indicate controls automatically activate or <br /> VAV air terminals shut off the air terminal fan based on call for <br /> heating and/or ventilation;indicate controls <br /> are configured to activate the terminal fan as <br /> the first stage of heating prior to activating the <br /> heating coil;indicate control method of <br /> primary air during warmup or temperature <br /> setback mode <br /> HIGH EFFICIENCY MULTIPLE-ZONE VAV SYSTEMS-EXCEPTION TO C403.3.5 DOAS,MUST COMPLY WITH ALL 15 <br /> PROVISIONS TO BE ELIGIBLE <br /> C403.6.10, Minimum area served Indicate that each high efficiency multiple- <br /> Item 1 and zoning zone VAV systems serves an area>_3,000 sf <br /> and includes>_5 zones <br /> C403.6.10, Air economizer Indicate system is configured for 100%air <br /> Item 2 economizer operation and complies with all <br /> related economizer requirements per C403.5 <br /> (without economizer exceptions) <br /> C403.6.10, Direct digital controls Provide DDC controls for all components of <br /> Item 3 (DDC) system per C403.4.11 (regardless of system <br /> size);identify all DDC system input/output <br /> control points;indicate capability for trending <br /> and graphical display <br /> C403.6.10, Supply and outdoor For systems with minimum required outdoor <br /> Items 4 and 5 airflow measurement air>2,500 cfm,provide an airflow <br /> and control monitoring station that is configured to <br /> measure outdoor air intake under all load <br /> conditions;indicate control sequence that <br /> increases or reduces outdoor air cfm based on <br /> VAV terminal feedback of ventilation <br /> efficiency(per C403.6.5 without exceptions) <br /> or and DCV(per C403.7.1) <br /> C403.6.10, Supply and outdoor Provide a supply airflow monitoring station <br /> Items 4 and 5 airflow measurement that is configured to measure supply air <br /> and control delivered to VAV terminals under all load <br /> conditions <br /> C403.6.I0,I Zone isolation and Verify maximum area served by a single VAV <br /> tem 6 maximum area served system is<_50,000 sf,or one entire floor, <br /> whichever is greater;in addition if a system <br /> serves>25,000 sf,that includes areas that are <br /> expected to be occupied non-simultaneously, <br /> indicate zone isolation controls per C403.2.1 <br /> C403.6.10, Interior/exterior Verify that VAV terminals serving interior <br /> Item 7 zone design supply air cooling driven loads are sized per a design <br /> temperature supply air temperature that is 5'F higher than <br /> VAV terminals serving exterior zones while in <br /> cooling mode <br /> C403.6.10, Maximum air Identify all air terminals with minimum <br /> Item 8 terminal inlet velocity primary airflow setpoints>50%of maximum <br /> setpoint in mechanical equipment schedule <br /> for these air terminals indicate inlet velocity <br /> does not exceed 900 fpm <br /> Page 27132 <br />