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2018 WSEC Requirements for Commercial Buildings including Group R2, R3 & R4 over 3 stories & all R1 -- Administered by @2022 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 />C403.12,Item <br />6 <br />Controls for high <br />occupant density <br />spaces <br />For zones > 150 sf with high occupant density <br />(>_ 25 people / 1000 sf), indicate DCV control <br />that resets ventilation setpoint based on <br />measured CO2; also indicate occupancy <br />sensor control that automatically reduces <br />minimum ventilation to zero and sets back <br />room heating and cooling setpoints by >_ 5°F <br />when space in unoccupied <br />C403.12, High efficiency Indicate which system performance option is <br />Item 7 system option applied - high efficiency DX cooling and heat <br />pump or high efficiency gas heating; or <br />heating coils served by a high efficiency <br />heating water plant; or cooling coils served by <br />high efficiency chilled water plant <br />If complying via high efficiency DX: Indicate <br />full load and part load rated cooling efficiency <br />exceeds WSEC listed efficiency by at least <br />15%; if heating is supplied by a gas -fired <br />furnace, indicate thermal efficiency (Et) is >_ <br />90%; if system is a heat pump, indicate <br />heating efficiency (HSPF or COP) exceeds <br />WSEC listed efficiency by at least 10%; <br />control of cooling and heating coil output shall <br />be configured with a minimum of 2-stages or <br />modulating <br />If complying via high efficiency heating water <br />plant: Indicate hydronic heating coils are <br />served by a heating water system with either <br />gas -fired boiler(s) with thermal efficiency <br />(Et) > 92%, air -to -water heat pumps, or heat <br />recovery chillers; indicate hydronic heating <br />coils are sized per a maximum 120°F entering <br />water temperature during peak demand <br />If complying via high efficiency chilled water <br />plant: Indicate cooling coils are served by <br />chillers with rated IPLV efficiency that <br />exceeds WSEC listed IPLV by at least 25% <br />per Table C403.3.2(7) (note water-cooled <br />IPLV is max, all others are min); indicate <br />smallest chiller or compressor in plant is < <br />20% of the total plant capacity, or provide <br />thermal storage sized for >_ 20% of total plant <br />capacity <br />C403.12, Fault detection and Indicate DDC system includes automatic fault <br />Item 8 diagnostics detection and diagnostics (FDD) configured <br />to monitor operation and provide fault <br />reporting of all required parameters for all <br />HPVAV single -zone air systems <br />EXTERIOR HEATING SYSTEMS <br />C403.11.1 <br />Heating outside a <br />building <br />Indicate systems providing heating in non - <br />enclosed outdoor occupied spaces are radiant <br />systems <br />Page 23125 <br />