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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 /> NA C406.3.2 HVAC load Indicate electric cooling controls configured <br /> management to gradually increase the cooling setpoint by at <br /> least 3°F over 3 hours during summer peak <br /> periods;,indicate electric heating controls <br /> configured to gradually decrease the heating <br /> setpoint by at least 3°F over 3 hours during <br /> winter peak periods <br /> DUCTWORK,SHAFTS AND PLENUMS <br /> NA C403.10.1.1 Duct construction Indicate on plans that all ductwork is <br /> C403.10.2 constructed and sealed per IMC <br /> NA C403.10.1.1 Duct construction For outdoor air ductwork,also indicate on <br /> C403.10.2 plans that ductwork meets air leakage <br /> requirements per C402.5 and vapor retarder <br /> requirements per the IBC <br /> NA C403.10.2.1 Duct pressure Identify location of low,medium and high <br /> C403.10.2.2 classifications pressure ductwork on plans <br /> C403.10.2.3 <br /> NA C403.10.2.3 High pressure duct Indicate high pressure duct leakage testing <br /> leakage test requirements on plans;provide test results to <br /> jurisdiction when completed <br /> NA C403.10.1.1 Duct insulation For outdoor air ductwork located within <br /> C403.10.1.2 conditioned space(upstream or downstream <br /> of shutoff damper),identify climate zone, <br /> duct airflow,and indicate ductwork insulation <br /> R-value per Table C403.10.1.1 on plans;or <br /> exception applied <br /> NA C403.10.1.1 Duct insulation For supply and return air ductwork located <br /> C403.10.1.2 within unconditioned space or outdoors, <br /> identify climate zone and indicate ductwork <br /> insulation R-value per Table C403.10.1.2 on <br /> plans;or exception applied <br /> NA C403.10.1.1 Duct insulation For supply air ductwork located within <br /> C403.10.1.2 conditioned space,identify on plans if design <br /> supply air temperature is<55°F or>105°F; <br /> indicate ductwork insulation R-value per <br /> Table C403.10.1.2 on plans;or exception <br /> applied <br /> NA C403.10.1.1 Duct insulation For return and exhaust air ductwork located <br /> C403.10.1.2 within conditioned space(upstream of the <br /> shutoff damper)and downstream of an energy <br /> recovery media,indicate ductwork insulation <br /> R-value per Table C403.10.1.2;or exception <br /> applied <br /> NA C403.10.1.1 Duct insulation For exhaust and relief air ductwork located <br /> C403.10.1.2 within conditioned space and downstream of <br /> the shutoff damper,indicate ductwork <br /> insulation R-value per Table C403.10.1.2;or <br /> exception applied <br /> NA C403.10.1.1 Shaft and plenum For outdoor air shafts and plenums,indicate <br /> C402.1.3 insulation on plans that the R-value of insulation on <br /> these elements complies with Table C402.1.3 <br /> for steel-framed walls <br /> Page 17132 <br />