2625 HOYT AVE 2019-01-11 - Laserfiche WebLink

i � � � : 2. Vertical fenestration alternate per Section existing structure,or proximity to : C402.4.11 for the area adjacent to the new adjacent air intakes/exhausts make full : vertical fenestration added. compliance impractical.Alternate designs shall : 3. Component performance option with target area provide alternate energy savings strategies : adjustment per Section C402.1.5 or the total including,but not limited to,Demand Control : building perfonnance option in Section C407 Ventilation or increased mechanical cooling or : for the whole building. heating efficiency above that required by Tables C4032.3(1)through C403.2.3(10). C503.3.2.1 Application to replacement 2. Qualifying small equipment: This exception *" fenestration products. �Vhere some or all of an shall not be used for unitary cooling ec�uipinent existing,fenest�•ation unit is replaced with a new installed outdoors or in a mechanical room .fenesli•ation product,including sash and glazing,the adjaccnt to the outdoors.This exception is repl acement,fenestration tuiit shall meet the allowed to be iised for other cooling units and applicable reqtiirements for U-factor and SHGC in split systems seiving one zone�vith a total Table C402.4. cooling capacity rated in accordance with �xception: An area-weighted average of the Section C403.2.3 of less than 33,000 Btu/h U-factor of replacement fenestration products (��ereafter referred to as qualifying small being installed in the building for each fenestration systems)provided that these are high-efficiency product category listed in Table C402.4 shall be cooling equipment with SE�R and EER values permitted to satisfy the U-factor requirements for more than ]5 percent higher than minimum each fenestration product category listed in Table efficiencies listed in Tables C403.2.3(1)through C402.4.Individual fenestration products from 3 m the a ro riate size cate or usin the different product categories listed in Table C402.4 � �' pp p g y' g shall not be combined in calculating the same test proced�ires.Equipment shall be listed area-weighted average U-factor. in the appropriate certification program to qualify for this exception.The total capacity of C503.3.3 Skylight area.The addition of skylights that all c�ualifying small equipment without results in a total building skylight area less than or equal economizers shall not exceed 72,000 Btu/h per to that specified in Section C402.41 shall comply with building,or 5 percent of its air economizer Section C402.4.�Iltey�ations that result in a total capacity,�hichever is�reater.That portion of . building skylight area greater than that specified in the equipment serving Group R occupancies is : Section C402.4.1 shall comply with the component not included in determining the total capacity of : performance option with target area adjustment per all units without economizers in a building. : Section C402.1.5 or the total building performance Redundant units are not cotmted in the capacity : option in Section C407 for the whole building. limitations.This exception shall not be used for ' tlie sliell-and-core permit or for the initial tenant ** � C503.4 Mechanic�l systems.Those parts of systems �mprovement or for Total Building Performance. ** . which are altered or replaced shall comply with Section 3. Chilled water terminal units connected to : C403.Additions or alterations shall not be made to an : existing mechanical system that will cause the existing systems with chilled water generation equipment : mechanical system to become out of compliance. with]PLV values more than 25 percent higher than minimum part load efficiencies listed in Exception:�xisting mechanical systems which are Table C403.2.3(7),in the appropriate size altered or where parts of tlie system are replaced are not category,using the same test procedures. required to be modified to comply with Section C403.6 Equipment shall be listed in the appropriate as long as mechanical cooling is not added to the certification program to qualify for this system. exception.The total capacity of all systems All new systems in existing buildings,including without economizers shall not exceed 480,000 packaged unitary equipment and packaged split systems, Btu/h per building,or 20 percent of its air shall comply with Section C403. economizer capacity,whichever is greater.That Where mechanical cooling is added to a space that was portion of the equipment serving Group R not previously cooled,the mechanical system shall occupancy is not incl�ded in determining the comply with either Section C403.6 or C403.3. , total capacity of all units without economizers in Exceptions: a building.T$is exception shall not be used for � ]. Alternate designs that are not in full compliance the initial permit(this includes any initial permit with this code may be approved when the code for the space including,but not limited to,the official determines that existing building shell-and-core permit,built-to-suit permit,and constraints including,but not limited to, tenant improvement permit)or for Total available mechanical space,limitations of the Building Performance Method. �� 2015 Washington State Energy Code CE-121 �� y)