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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 />If complying via high efficiency heating water <br />plant: Indicate all VAV terminals have <br />hydronic healing coils served by a heating <br />water system with either gas -fired boiler(s) <br />with thermal efficiency (Et) >_ 921/,. air -to - <br />water heal pumps. or heat recovery chillers. <br />indicate hydronic heating coils are .sized per a <br />maximum I20°F entering "ater temperature <br />during peak demand <br />If complying eia high efficiency Chilled water <br />plant: Indicate all VAV air handlers have <br />cooling coils served by chillers with rated <br />IPLV efficiency that exceeds WSEC listed <br />IPLV by at least 25% per Table C403.3?(7) <br />(note water-cooled IPLV is max, all others are <br />min): indicate smallest chiller or compressor <br />in plant is <_ 20% of the total plant capacity. <br />or provide thermal storage sized for >_ 2044 of <br />total plant capacity <br />C403.6.10. Fault detection and Indicate DDC system includes automatic fault <br />Item li diagnostics detection and diagnostics (FDD) configured <br />to monitor operation and provide fault <br />reporting of all required parameters for all <br />VAV air handlers and VAV air terminal units <br />in the HPVAV .sv.stem <br />HIGH EFFICIENCY SINGLE -ZONE VAV SYSTEMS - EXCEPTION TO C403.3.5 DOHS, MUST COMPLY WITH ALL S PROVISIONS TO <br />BE ELIGIBLE <br />C40 '.12. Air economizer Indicate system is configured for I00` c' air <br />Lrm I economizer operation and complies with all <br />related economizer requirements per C403.5 <br />(without economizer exceptions) <br />C403.12. Direct digital controls Provide DDC controls for all components of <br />Item 2 (DDC) system per C403.4.1 I (regardless of system <br />size): identify all DDC system input / output <br />control points: indicate capability for trending <br />and graphical display <br />C403.12.1tem Outdoor airflow For systems with minimum required outdoor <br />3 measurement and air >_ 1.000 cl m. provide an airflow <br />control monitoring station that is configured to <br />measure outdoor air intake under all load <br />conditions: indicate controls that adjust <br />outdoor air cfm via DCV per C403.7.1 <br />('103.12.1tem Maximum allowable For each tingle -zone VAV system, provide <br />system brake calculations that verifti total fan system bhp is <br />horsepower S 901,'i; of the total allowable fan system bhp <br />per Option 2 equation in Table C403.8.1.1 <br />C403.12. Supply airflow Provide controls that adjust supply airflow <br />Item 5 control based on the heating and cooling loads: <br />indicate control sequence that limits minimum <br />fan speed to 305� of peak design airflow or <br />required ventilation during unoccupied mode. <br />whichever is less <br />Page 22125 <br />