Laserfiche WebLink
Mechanical Requirements List, pg 22 of 25 <br /> 2018 WSEC Requirements for Commercial Buildings including Group R2,R3&R4 over 3 stories&all R1 -- Administered by©2021 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 /> If complying via high efficiency heating water <br /> plant:Indicate all VAV terminals have <br /> hydronic heating coils served by a heating <br /> water system with either gas-fired boiler(s) <br /> with thermal efficiency(Et)>92%,air-to- <br /> water heat pumps,or heat recovery chillers; <br /> indicate hydronic heating coils are sized per a <br /> maximum 120°F entering water temperature <br /> during peak demand <br /> If complying via high efficiency chilled water <br /> plant:Indicate all VAV air handlers have <br /> cooling coils served by chillers with rated <br /> IPLV efficiency that exceeds WSEC listed <br /> IPLV by at least 25%per Table C403.3.2(7) <br /> (note water-cooled IPLV is max,all others are <br /> min);indicate smallest chiller or compressor <br /> in plant is<20%of the total plant capacity, <br /> or provide thermal storage sized for>20%of <br /> total plant capacity <br /> C403.6.10, Fault detection and Indicate DDC system includes automatic fault <br /> Item 15 diagnostics detection and diagnostics(FDD)configured <br /> to monitor operation and provide fault <br /> reporting of all required parameters for all <br /> VAV air handlers and VAV air terminal units <br /> 1 in the HPVAV system <br /> HIGH EFFICIENCY SINGLE-ZONE VAV SYSTEMS-EXCEPTION TO C4033.5 DOAS,MUST COMPLY WITH ALL 8 PROVISIONS TO <br /> BE ELIGIBLE <br /> C403.12, Air economizer Indicate system is configured for 100%air <br /> Item 1 economizer operation and complies with all <br /> related economizer requirements per C403.5 <br /> (without economizer exceptions) <br /> C403.12, ' Direct digital controls Provide DDC controls for all components of <br /> Item 2 (DDC) system per C403.4.11(regardless of system <br /> size);identify all DDC system input/output <br /> control points;indicate capability for trending <br /> and graphical display <br /> C403.12,Item Outdoor airflow For systems with minimum required outdoor <br /> 3 measurement and air>_ 1,000 cfm,provide an airflow <br /> control monitoring station that is configured to <br /> measure outdoor air intake under all load <br /> conditions;indicate controls that adjust <br /> outdoor air cfm via DCV per C403.7.1 <br /> C403.12,Item Maximum allowable For each single-zone VAV system,provide <br /> 4 system brake calculations that verify total fan system bhp is <br /> horsepower <_90%of the total allowable fan system bhp <br /> per Option 2 equation in Table C403.8.1.1 <br /> C403.12, Supply airflow Provide controls that adjust supply airflow <br /> Item 5 control , based on the heating and cooling loads; <br /> indicate control sequence that limits minimum <br /> fan speed to 30%of peak design airflow or <br /> required ventilation during unoccupied mode, <br /> whichever is less <br /> Page 22/25 <br />