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2018 WSEC Requirements for Commercial Buildings including Group R2, R3 & R4 over 3 stories & all R1 -- Administered by @2022 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. IO,Ite <br />Maximum allowable <br />For each multiple -zone VAV system, provide <br />m 8 <br />system brake <br />calculations that verify total fan system bhp is <br />horsepower <br />< 90% of the total allowable fan system bhp <br />per Option 2 equation in Table C403.8.1.1 <br />C403.6.10,Ite <br />Fan -powered terminal <br />Indicate all series and parallel fan -powered <br />m 9 <br />unit motor and <br />terminals have electronically commutated <br />control <br />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, <br />Application of single <br />Indicate VAV terminal types on plans; verify <br />Item 10 <br />duct and fan -powered <br />fan -powered terminal units only serve <br />terminal units <br />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, <br />Fan -powered terminal <br />Indicate DDC controls are configured to <br />Item 11 <br />unit primary air reset <br />automatically reset the primary supply air cf n <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 <br />Controls for high <br />For zones > 150 sf with high occupant density <br />m 12 <br />occupant density <br />(>_ 25 people / 1000 sf), indicate zone is <br />spaces <br />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, <br />Dedicated cooling <br />For data centers and server, electronic <br />Item 13 <br />systems serving data <br />equipment, telecom or similar spaces with <br />centers and server, <br />design cooling loads > 5 W/sf, indicate spaces <br />electronic equipment <br />are served by dedicated cooling systems that <br />and telecom spaces <br />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, <br />Central plant <br />Indicate whether systems are served by a high <br />Item 14 <br />efficiency <br />efficiency heating water plant, or a high <br />efficiency chilled water plant <br />Page 21125 <br />