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Mechanical Requirements • • i of 2018 WSEC Requirements for Commercial Buildings including Group R2, R3&R4 over 3 stories&all R1 -- Administered by @2024 NEEA,All rights reserved The following information is necessary to check a mechanical permit application for compliance with the mechanical systems and equipment requirements in the Washington State Energy Code,Commercial Provisions. For questions about this report,contact WSEC Commercial Technical Support at 360-539-5300 or via email at com.techsupport@waenergycodes.com C403.9.2.2 Steam condensate For buildings with on-site steam heating systems heat recovery systems,indicate condensate water heat recovery and use of recovered heat For buildings that use off-site generated steam where condensate is not returned to the source,indicate on-site condensate water heat recovery C403.9.2.3 Refrigeration For buildings with food service,meat or deli condenser heat departments that have Z 500,000 Btu/h of recovery remote refrigeration capacity for coolers/ freezers,indicate condenser heat recovery and use of captured energy(service water hearing, space heating,or dehumidification reheating) For buildings with>40,000 sf conditioned floor area and>_ 1,000,000 Btu/h of remote refrigeration capacity,indicate condenser heat recovery to pre-heat service water;indicate remaining recovered heat is applied to space heating or dehumidification reheating C403.9.2.4 Heat recovery for For buildings that operate>70 hour per week, space heating that are not served by a DOAS with energy recovery,and have>1,500,000 Btu/h of heat rejection capacity and Z 0.45 cfm per sf of design minimum supply airflow with reheat, indicate condenser heat recovery is provided for space heating that complies with Sections C403.9.2.4.1 or C403.9.2.4.2 or C403.9.2.4.4 C403.9.2.4.1 Water to water heat Indicate that 90%or more of the total C403.9.2.4.4 recovery building space heating and ventilation air design loads are served by heat energy rejected from either a heat recovery chiller or the cooling loop of water to water heat pump equipment C403.9.2.4.2 Exhaust heat recovery Indicate that waste heat is recovered from least 90%of the total building exhaust airflow such that leaving exhaust air temperature while in heat recovery mode is 55 deg F dry bulb;note exhaust air systems eligible for exception to this requirement C403.9.2.4.3 Process heat recovery In spaces with 5 watts per sf year-round cooling loads from lights and equipment, indicate these spaces are served by water- cooled equipment configured for heat recovery If these spaces are served by economizer(air or water),indicate automatic controls are configured to disable economizer operation while system is in heat recovery mode MULTIPLE ZONE AIR SYSTEMS Page 18125