Laserfiche WebLink
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 />C403.4.3.2 <br />Two -pipe changeover <br />Indicate changeover deadband is > 15°F <br />systems <br />outdoor air temperature; indicate controls are <br />configured so that heating / cooling modes are <br />active for at minimum 4 hours before <br />changeover and that the delta between heating <br />/ cooling supply temperatures at changeover <br />point is <br />C403.4.1.5 <br />Heating water <br />For boilers that provide building heating via <br />temperature setback <br />one- or two -pipe systems, indicate controls <br />that provide heating water temperature <br />setback based on outdoor temperature <br />C403.4.4 <br />Hydronic system part <br />For heating and chilled water systems with >_ <br />load controls and <br />300,000 Btu/h output capacity, indicate <br />supply -water <br />system controls are configured to <br />temperature reset <br />automatically reset supply water temperature <br />based upon demand; or exception applied <br />Indicate automatic pump flow controls are <br />configured to reduce system flow rate by > <br />50%, or the maximum allowed by the <br />equipment manufacturer, based upon the <br />heating or cooling loads; or decribe why not <br />required <br />For hydronic systems with output capacity > <br />300,000 Btu/h that serve heating water <br />systems, chilled water systems and water- <br />cooled unitary air conditioners, indicate that <br />pumps are provided with a variable speed <br />drive if one of the following conditions apply: <br />1) System pump motor hp is >_ 2 hp and <br />pumps are designed to operate continuously or <br />per time schedule; 2) System pump motor hp <br />is >_ 7.5 hp and pumps are controlled by <br />automatic DDC configured to only operate <br />pumps when there is a call for zone heating or <br />cooling <br />Where variable speed drives are required, <br />indicate system is configured so that pump <br />motor power is < 30% of design wattage at <br />50% of design flow rate; indicate pump flow <br />is controlled to maintain one control valve <br />nearly wide open, or to maintain a mimimum <br />differential pressure; or exception applied <br />C403.4.6 <br />Hydronic system <br />For individual pumps required to have <br />variable pump flow <br />variable speed controls, indicate manner of <br />control <br />pump speed control (differential pressure, <br />static pressure setpoint, zone heating or <br />cooling demand, or based on the relationship <br />between variable speed controller fequency <br />and power) <br />C403.4.5 <br />Chiller / boiler plant <br />Indicate controls are configured to <br />pump isolation <br />automatically reduce overall plant flow and <br />shut-off flow through individual chillers and <br />boilers when not in use <br />Page 16125 <br />