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Mechanical Requirements • • 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 If mechanically delivered,indicate that ventilation systems are configured to provide not more than 150%of,but at least the minimum required volume of outdoor air to each zone per IMC,ASHRAE 62.1 or other applicable code(WAC,OSHA,etc);or exception applied NA If delivered via natural ventilation,identify required elements per IMC including: minimum openable area to the outdoors or qualifying adjoining spaces;criteria for ensuring required ventilation is provided during all occupied hours of the year (including during inclement outdoor conditions) NA C403.2.2.2 Exhaust Indicate that exhaust systems are configured to provide not more than 150%of,but at least the minimum required volume from each zone per IMC,or other applicable code (WAC,OSHA,etc);or exception applied NA C403.4.2.4 Exhaust system off- Refer to Requirements List section HVAC hour controls Controls for off-hour controls requirements for exhaust systems C403.3.6 Balanced ventilation For Group R-2 dwelling and sleeping units, for Group R-2 indicate that each habitable space is provided occupancy with a balanced ventilation system;indicate system is provided with energy recovery with 60%sensible recovery effectiveness C403.7.1 Demand controlled Identify spaces>500 sf with occupant load>_ ventilation 25 people/1,000 sf per IMC;for each space indicate whether it is served by an HVAC system with total design ventilation air> 3,000 cfm,and/or the system has airside economizer or automatic modulating outdoor air damper;indicate controls are configured to provide demand controlled ventilation or provide supporting documentation for applied exception C403.7.2 Occupancy sensors For gyms,classrooms,auditoriums, conference rooms and other spaces with occupant load>25 people/1,000 sf per IMC, that have an area>500 sf,indicate occupancy- based ventilation air control when space is unoccupied and method(closes outdoor air damper or shuts-off equipment);or alternate means provided to automatically reduce ventilation air when space is partially occupied;or exception applied C403.7.3 Ventilation air For ventilation air systems that operate in heating control conjunction with heating and cooling systems, indicate that ventilation air is tempered(via heating or heat recovery)to no greater than 60F when the space conditioning system is in cooling mode Page 7125