210 SW EVERETT MALL WAY BASE FILE 2024-10-11

Mechanical Requirements • • of 2021 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 NA C406.2.2.5 Improved low-carbon Provide calculations showing 90%or more of district energy the annual service water and space heat systems(20 percent energy use or 90%or more of the annual better). service water heat,space heat and space cooling energy use is met by a district energy exchange system complying with C406.2.2.4.1 or a district energy heating and/or cooling system complying with C406.2.2.4.2;provide documentation the system is operational and is in accordance with this section prior to the final inspection. NA C406.2.2.5.1 Improved low-carbon Provide calculations and documentation that district energy 50%of the annual district-system-net-load- exchange systems(20 met(sum of heating and cooling energy percent better) provided to attached buildings)comes from heat recovery between connected buildings, waste heat,or renewable energy resources; and no more than 10%of the annual heat input to the system comes from fossil fuel or electric-resistance sources. NA C406.2.2.5.2 Improved low-carbon Provide calculations and documentation that district energy distribution losses are less than or equal to 5% heating and cooling of the annual load delivered to buildings or heating only served by the system;and that the system systems(20 percent complies with one of the following: 1)50%of better) the annual district-system-net-load-met(sum of heating and cooling energy provided to attached buildings)comes from heat recovery between connected buildings,waste heat,or renewable energy resources and no more than 25%of the annual heat input to the system comes from fossil fuel or electric-resistance sources,or,2) 10%or less of the system annual heat input to the system comes from fossil fuels,electric-resistance sources,or heat pump sources with an annual COP<4 LOAD MANAGEMENT MEASURE-COOLING ENERGY STORAGE NA C406.3.5 Cooling energy To comply with this additional efficiency storage credit,indicate automatic controls connected to central DDC having digital input capable of being activated by external utility signal; where utility real-time demand or pricing program exists indicate system configured to utilize this signal;otherwise indicate building demand monitoring installed and controls configured to utilize demand signals NA C406.3.5 Cooling energy Provide calculation of ice or chilled water storage storage capacity with standby loss< 1.5%per day;indicate automatic controls to activate storage to reduce peak period electric demand;provide calculation of storage capacity MULTIPLE ZONE AIR SYSTEMS Page 25132