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Mechanical Requirements List, pg 21 of 25 <br /> 2018 WSEC Requirements for Commercial Buildings including Group R2,R3&R4 over 3 stories&all R1 -- Administered by©2021 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 /> C403.6.10,Ite Maximum allowable For each multiple-zone VAV system,provide <br /> m 8 system brake calculations that verify total fan system bhp is <br /> horsepower 5 90%of the total allowable fan system bhp <br /> per Option 2 equation in Table C403.8.1.1 <br /> C403.6.10,Ite Fan-powered terminal Indicate all series and parallel fan-powered <br /> m 9 unit motor and terminals have electronically commutated <br /> control motors(ECM);indicate DDC control system <br /> is configured to vary air terminal fan speed as <br /> a function of the load;indicate fan speed <br /> during periods of low heating,low cooling,or <br /> ventilation-only mode is<66%of peak <br /> design air flow,or provide supporting <br /> documentation for applied exception <br /> C403.6.10, Application of single Indicate VAV terminal types on plans;verify <br /> Item 10 duct and fan-powered fan-powered terminal units only serve <br /> terminal units perimeter zones with envelope loads and <br /> interior zones with high occupant density and <br /> DCV per C403.7.1;verify all other zones are <br /> served by single duct terminal units <br /> C403.6.10, Fan-powered terminal : Indicate DDC controls are configured to <br /> Item 11 unit primary air reset automatically reset the primary supply air cfm <br /> setpoint of all fan-powered terminal units to <br /> the minimum required to maintain ventilation <br /> during occupied-heating or deadband mode, <br /> based upon the VAV air handling unit <br /> minimum ventilation air fraction <br /> C403.6.10,Ite Controls for high For zones>150 sf with high occupant density <br /> m 12 occupant density (>_25 people/1000 sf),indicate zone is <br /> spaces served by a dedicated terminal unit with DCV <br /> control that resets terminal unit ventilation <br /> setpoint based on measured CO2;also <br /> indicate occupancy sensor control that <br /> automatically reduces minimum ventilation to <br /> zero and sets back room heating and cooling <br /> setpoints by>_5°F when space in unoccupied <br /> C403.6.10, Dedicated cooling For data centers and server,electronic <br /> Item 13 systems serving data equipment,telecom or similar spaces with <br /> centers and server, design cooling loads>5 W/sf,indicate spaces <br /> electronic equipment are served by dedicated cooling systems that <br /> and telecom spaces are independent of the HPVAV systems <br /> serving the rest of building <br /> Indicate dedicated cooling systems are <br /> configured for 100%air economizer <br /> operation and comply with all related <br /> economizer requirements per C403.5(without <br /> economizer exceptions),or heat recovery per <br /> C403.5,Exception 9 <br /> C403.6.10, Central plant Indicate whether systems are served by a high <br /> Item 14 efficiency efficiency heating water plant,or a high <br /> efficiency chilled water plant <br /> Page 21/25 <br />