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 C403.5.3.3 Air economizer high Indicate high limit shut-off control method limit controls and required high limit per Table C403.5.3.3 NA C403.5.3.4 Relief of excess Refer to Requirements List section outdoor air Ventilation,Exhaust&Energy Recovery C403.5.3.4 Relief of excess Indicate relief air outlets are sized and outdoor air configured to relieve excess building air during air economizer operation to prevent building over-pressurization C403.5.3.4 Relief of excess Indicate relief air outlet are located to avoid outdoor air recirculation into the building C403.5.4.1 Water economizer For eligible systems where water-side capacity economizer may be provided in lieu of air economizer,indicate system is capable of 100%design cooling capacity at 50°F db/ 45°F wb outdoor air temperatures;indicate if threshold for 100%design cooling capacity via economizer must be lowered to 45°F db/ 40°F wb due to dehumidification requirements C403.5.4.2 Water economizer Indicate that the pressure drop across maximum pressure precooling coils and heat exchangers in water drop economizer systems do not exceed 15 feet (4572 mm) NA C403.5.5 DX equipment For DX air handlers with economizer and economizer fault cooling capacity>_54,000 Btu/h,provide a detection and fault detection and diagnostics(FDD)system diagnostics to monitor economizer system operation and report faults HYDRONIC SYSTEMS-EQUIPMENT SELECTION&PERFORMANCE C403.3.2.3 Maximum air cooled For chilled water plants and buildings with> chiller capacity 500 tons of cooling capacity,indicate air- cooled chiller capacity is< 100 tons,or exception applied C403.3.2.2 Large capacity For buildings>_300 tons of cooling capacity, cooling systems indicate method of multi-stage or variable capacity control(VSD,multiple staged compressors,or max capacity of any single unit C403.3.2.4 Non-standard water- For water-cooled centrifugal chillers not cooled centrifugal designed for operation at standard conditions, chillers provide calculations documenting maximum full load and part load rated equipment performance requirements C403.3.3 Hot gas bypass For cooling equipment with hot gas bypass, limitation for chillers provide either multiple step unloading or continuous capacity modulation;indicate bypass capacity per Table C403.3.3 C403.4.3 Large capacity boiler For hydronic systems with only a single boiler C403.3.4.4 systems that has>500,000 Btu/h input capacity, indicate multi-stage or modulating burner Page 19132