ASHRAE-90.1-2022- - Page 351

Extracted Content

Table H-3 Standard 90.1 Items to Verify

SubsectionSubsection TitleStandard 90.1 Items to Verify for Proper Operation or InclusionStatus
4.2.5.2Building Commissioning
Requirements
Document in sufficient detail compliance of the_building_ and its components,
assemblies, controls, and_systems_ with required provisions of this standard.
5.4.1InsulationDesign details maintain continuity of thermal barrier.
5.4.3.2Continuous Air Barrier Design
and Installation
Air barriers meet the following:

Air barrier design and installation per Section 5.4.3.2 and either

whole-building air leakage testing per Section 5.4.3.1 or

design and installation verification program performed in accordance
with Section 5.4.3.1 and Section 5.9.1.2.
5.8.3.1Testing, Acceptable Materials,
and Assemblies
Continuous air barrier materials and assemblies comply with specific
manufacturer requirements or are tested for leakage resistance.
5.8.3.2Fenestration and DoorsFenestration and_doors_ have_manufacturer_ documentation that_air leakage_
does not exceed allowable_air leakage_ rates.
5.5.4.2Fenestration AreaFenestration to_wall_ ratio and_skylight_ to_roof_ ratio meet either the prescriptive
requirements or the_proposed design_ in the performance path, depending on the
compliance path used.
5.8.1InsulationInsulation material meets design specifications and is continuous.
5.9Verification, Testing, and
Commissioning
Envelope assemblies and_fenestration_ comply with requirements.Building
envelope performance is tested or verified.
6.3.2CriteriaHVAC_equipment_ meets_efficiency_ criteria and controls function properly.
6.4.1Equipment Efficiencies,
Verification, and Labeling
Requirements
Equipment selected meets the minimum_efficiency_ requirements and is
correctly_labeled._
6.4.2CalculationsHVAC_equipment_ matches load and_pump_ head calculations.
6.4.3.1/
6.4.3.2
Zone Thermostatic Controls/
Set-Point Overlap Restriction
Zoning pattern and_dead band_ setting configured properly, including_VAV_ zone
controls. Heating and cooling_set points_ do not overlap.
6.4.3.3Off-Hour ControlsOff-hour control,automatic shutdown,setback controls, optimum start control,
and zone isolation are properly configured where applicable.
6.4.3.4Ventilation System ControlsStair and shaft_automatic_ damper function, shutoff damper control, damper
leakage performance, ventilation fans, and enclosed parking garage control
systems operate per code.
6.4.3.5Heat-Pump Auxiliary
Heat Control
Heat-pump auxiliary heat control properly configured.
6.4.3.6Humidifier PreheatAutomatic shutoff valve with configured controls.
6.4.3.6Humidification and
Dehumidification Control
No simultaneous humidification and dehumidification operation.
6.4.3.7Freeze Protection and
Ice/Snow Melt
Automatic shutoff based on outdoor temperature or precipitation.
6.4.3.8Ventilation Controls for
High-Occupancy Areas
Demand control ventilation (DCV) system where applicable.
6.4.3.10Single-Zone VAV ControlSingle-zone systems have multispeed or_VAV_ control properly configured.
6.4.4.1HVAC System InsulationInsulation for ductwork,piping, heating panels, and radiant floor heating
systems correct and continuous.
6.4.4.2Ductwork and Plenum LeakageDuct sealing complete, and required leakage tests performed.

ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 349