2732 GRAND AVE BASE FILE 2022-06-28

2015 Washington State gy Code Compliance Forms for Commercial,R2 and R3 over3stories and all R1-Page 6 of 7 Mechanical Permit Plans Checklist MECH-CHK 2015 Washington State Energy Code Compliance Forms for Commercial Buildings Including R2&R3 over 3 stories and all R1 Revised January 2017 Project Title: 2732 Grand Ave Date 4/27/2020 The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the Washington State Energy Code,Commercial Provisions. Applicable Code Section Code Provision Location In Building Department fves,no,na) Information Required-Must be In permit documents C402.4.1.4 Increased prescriptive Documents Notes C403.6 maximum vertical Indicate that all occupied,conditioned spaces are served by a DOAS per C403.6 fenestration area with DOAS Additional Efficiency Package Option,Dedicated Outside Air Systems(DOAS) C406.6 Building provided with To comply with additional efficiency package option,Indicate that 90%or more of all occupied, DOAS conditioned spaces are served by a DOAS per C403.6 Multiple Zone Air Systems Air systems serving multiple Identify supply air systems serving multiple zones and the zones they serve on plans;indicate C403.4.4 zones whether system Is VAV and method of primary air control;or provide supporting documentation for applied exception to VAV Provide equipment schedules on plans or MECH-EQ form that list all VAV air terminals and types VAV systems serving For each air terminal include:maximum airflow rates for primary supply air during zone peak C403.4.4 multiple zones heating and zone peak cooling;maximum airflow during reheating,recooling or mixing; minimum airflow rate to maintain required ventilation,and the basis for these values;if iMC or ASHRAE 62.1 multiple zone equation Is basis for minimum flow rates,provide calculation on plans C403.4.4.1 Single duct VAV terminal Indicate single duct terminal units are configured to reduce primary supply air before reheating units or recooling C403.4.4.2 Dual duct systems-terminal For systems with separate warm air and cool air ducts,indicate terminal units are configured to units reduce the flow from one duct to minimum before mixing with air from the other duct Indicate locations of duct static pressure sensors on plans;Include at least one sensor per VAV system static major duct branch;verify controller setpoint pressure at each sensor is 51.2 inch w.g. C403.4.1.1 pressure sensors- For systems with zone level DDC,indicate controls are configured to monitor zone damper C403,4.1.2 sensors and DDC set points positions and reset static pressure setpoint based on the zone requiring most pressure; include control logic that automatically detects and generates an alarm if any zone excessively drives reset logic,and allows building operators to exclude zones from reset logic Multiple-zone VAV system For systems with zone level DDC controls,indicate controls are configured to automatically C403.4.4.3 ventilation optimization reduce outdoor airflow in response to changes in system ventilation efficiency;or exception controls taken C403.4.4.4 VAV system supply air reset indicate controls automatically reset supply air temperature In response to building loads or outdoor air temperature;or exception taken Multiple Zone HVAC Systems,High Efficiency VAV-Required for systems utilizing C403.6 DOAS Exception 2,must comply with all 16 provisions C403.7, Air economizer Indicate system is configured for 100%air economizer operation and complies with all related Item 1 economizer requirements per C403.3(without economizer exceptions) C403.7, Direct digital controls(DDC) Provide DDC controls for all components of system;identify all DDC system Input!output Item 2 control points;indicate capability for trending and graphical display For systems with minimum OSA>2,500 cfm,indicate outdoor airflow monitoring station that C403.7, Outdoor airflow measures OSA intake under all load conditions;indicate control sequence that increases or Item 3 measurement and reduction reduces system OSA cfm based on VAV terminal feedback of ventilation efficiency(per C403.4.4.3 without exceptions)or DCV(per C403.2.6.2) C403.7, Supply airflow measurement For systems with minimum OSA>2,500 cfm,Indicate supply airflow monitoring station capable Item 4 of measuring supply air delivered to VAV terminals under all load conditions C403.7, Zone isolation and Verify maximum area served by a single HEVAV system is 5 50,000 sf,or one entire floor, Item 5 maximum area served whichever is greater,in addition if a system serves>25,000 sf,that includes areas that are expected to be occupied non-simultaneously,indicate zone isolation controls per C403.2.4.4 C403.7, Interior/exterior zone design supply air Verify that VAV terminals serving Interior cooling driven loads are sized per design supply air Item 6 temperature temperature that is 5°F higher than VAV terminals serving exterior zones C403.7, Maximum air terminal inlet Identify air terminals with minimum primary airflow setpoints>50%of maximum setpoint In Item 7 velocity equipment schedule or MECH-EQ form;indicate air terminal inlet velocity does not exceed 900 fpm C403.7, Sequence of operation Indicate DDC system sequences of operation are designed and configured per ASHRAE GPC Item 836 C403.7, Maximum allowable system Verify fan system bhp is 5 90%of the bhp limit per Option 2 equation in Table C403.2.11.1(1), Item 9 brake horsepower provide MECH-FANSYS form for each system Indicate all series and parallel terminal fans have electronically commutated motors;indicate C403.7, Fan-powered terminal unit DDC control system is configured to vary air terminal fan speed as a function of the load; Item 10 motor and control indicate fan speed during periods of low heating,low cooling,or ventilation only is 5 66%of peak design air flow or provide supporting documentation for applied exception