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EFTA00281516 | EFTA00281678 prescriptive requirements, provided energy cost savings are made in other areas. However, in all cases, the mandatory provisions must still be met. EA CI Prerequisite 2 Table 1. Energy Standard Requirements Addressed by ANSI/ASHRAE/IESNA Standard 90.1-2007 ANSI/ASHRAVIESNA 90.1-2007 Components Section 5. Building envelope (including serniheated spaces, such as warehouses) Section 6. Heating, ventilation, and air-conditioning (including parking garage ventilation, freeze protection, exhaust air recovery, and condenser heat recovery for service water heating) Section 7. Service water heating (including swimming pools) Section 8. Power (including all building power distribution systems) Section 9. Lighting (including exit signs, building exterior, grounds, and parking garages) Section 10. Other equipment (including all permanently wired electrical motors) 4. Implementation Design the tenant space so that it complies with ASHRAE 90.1-2007 or the local code, whichever is more stringent.Research the status ofindividual state energycodes comparedwithenergystandards on the U.S. Department ofEnergy's BuildingEnergy Codes website (see Resources). If provisions of the base building are managed entirely by the landlord (and therefore cannot be changed by the building tenant) and do not meet the requirements ofASHRAE 90.1-2007, then only areas that are not part of the tenant scope of work and exclusively controlled by the landlord are exempt from the requirements of the standard. More Stringent Local Code ASHRAE 90.1-2007 is the baseline that registered projects must meet to satisfy the prerequisite requirement. Any local code (or provision in it) that is more stringent becomes part of the prerequisite requirement.In these cases, explain and document verification that the local code (or provision) is more stringent. California Title 24 is accepted as beingmore stringent with no further evaluation needed. Less Stringent Local Code InLEED for Commercial Interiors, the credit standards only to apply to the tenant's scope of work; this allows teams with projects in an existingcore and shell buildingto certify their project without havingto compel thebuildingowner to make changes to existingsystems.However,the intent ofthis prerequisite is to establish the minimum level of energy efficiency for the space systems; projects should still meet these standards. If the local code is less stringent, follow ASHRAE 90.1-2007. Do not outline a tenant scope of work to avoid applying the standard. Whenever possible, work being done for the benefit of the tenant should meet the more stringent provisions ofASHRAE 90.1-2007. Applying ASHRAE 90.1-2007 Section 2.1(a) of the standard specifies minimum energy efficiency requirements for the following 3 construction types: ■ New buildings and their systems. ■ New portions ofbuildings and their systems. ■ New systems and equipment in existingbuildings. The third approachapplies to most commercialinterior projects and is addressedbelow.As stated in Section 4.2.1.3, existingbuilding alterations must comply with the provisions ofSections, 6, 7, 8,9, and t0,aslongascompliancedoesnot increasethebuilding'senergyconsumption.Sections5through 2009 EDITION LEED REFERENCE GUIDE FOR GREEN INTERIOR DESIGN AND CONSTRUCTION 139 EFTA00281678 Epstein Web iOS app on the App Store.
April 26, 2026 at 4:06 AM