Laserfiche WebLink
2018 WSEC Requirements for Commercial Buildings including Group R2, R3 & R4 over 3 stories & all R1 -- Administered by ©2024 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 Two -pipe chan_emer Indicate changeover deadband is >_ 15'1: <br />s.NsteIns 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. L5 IIcating water For boilers that provide buildings heating via <br />temperature setback one- or two -pipe systems. indicate controls <br />that provide heating water temperature <br />setback based on outdoor temperature <br />C403.4.4 Hydronic system part For heating and chilled water systems with >_ <br />load controls and 300,(H)0 Btu/h output capacity. indicate <br />supply -water system controls are configured to <br />temperature reset automatically reset supple water temperature <br />hosed upon demand: or exception applied <br />Indicate automatic pump flow controls are <br />configured to reduce system flow rate by > <br />501", or the maximum allowed by the <br />equipment manufacturer. based upon the <br />heating or coolinlo loads: or decribe %vhy not <br />required <br />For hydronic systems with output capacity >_ <br />300.000 Btu/It 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 />I 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 />coolin" <br />Where variable speed drives are required. <br />indicate syslem is configured so that pump <br />motor power iv < 3M( of design wattaLe at <br />505( of design tluw rate: indicate pump flow <br />is controlled to maintain one control valve <br />nearly wide open, or to maintain a minimum <br />differential pressure: or exception applied <br />C403.4.6 Hydronic system For individual pumps required to have <br />variable pump flow variable speed controls. indicate manner of <br />control pump speed control (differential pressure, <br />static pressure setpoint, zone heating or <br />cooling demand. or based on the relationship <br />hetween variable speed controller Iequency <br />and power) <br />C403.4.5 Chilier / boiler plant Indicate controls are configured to <br />pump isolation automatically reduce overall plant f low and <br />shut-off flow through individual chillers and <br />boilers when not in use <br />Page 16125 <br />