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NBI-Supported Proposals to IECC/09-10
Public Comment Collaboration

This webpage serves two purposes:

  • To recap the status of EC147, EC157 and EC165 submitted by the NBI, AIA and US DOE (EC147 only) with the intent of increasing the energy efficiency in commercial buildings.
  • To solicit public input and collaboration on the preparation of a Public Comment to the ICC for these proposal(s), if necessary.


There are three actions that can be taken regarding each of EC147, EC157 and EC165.

  1. Refrain from filing a public comment, thereby allowing the proposal(s) to remain unchanged.
  2. File a public comment to have the floor modification(s) adopted.
  3. File a public comment to have some variant of the floor modification(s) adopted that would address comments raised at the public hearing and others that might be offered in the future.

Listed below are the published proposals and reason statements as found in the ICC monograph. EC147, EC157, and EC165 were each approved as submitted. Also linked below are floor modifications prepared in advance of the hearings in collaboration with commenters who had contacted the proponents. At the ICC hearings in Baltimore, the Chair ruled each of the modifications out of order and directed the proponents to address those issues during the comment period.

Interested and affected parties are encouraged to provide comments on the floor modifications listed below which are proposed as a starting point for public comment. In your comments to the proponents, please address specifically the proposal number, the section number, the floor modification as is or how it might be revised, and any other specific comments about the proposals or proposed modifications. Additional proposals and a parallel comment process can be found at http://www.energycodes.gov/codedevelop/icc_0910_cycle.stm.

Materials for NBI-AIA-DOE Proposal to 2012 IECC

Proposal and Reason Statement EC147 (comprehensive change for commercial energy code requirements, sponsored jointly by NBI, AIA and DOE)
Proposed Modifications to EC147:
    Modified Application Section
    Revised Air Leakage section
    Revised Air Infiltration Table
    Editorial Clarification of Commissioning Personnel
    Modified Stepped Dimming Control Specification
    Editorial Clarification of Section 506 HVAC Tables
Support Document for Proposal

Please send any questions or comments on EC147 to


Materials for NBI-AIA Opaque Wall and Fenestration Proposals to 2012 IECC

Opaque Proposal and Reason Statement EC157 (opaque exterior requirements, sponsored jointly by NBI and AIA)
Proposed Modification to EC157 (modifies opaque wall table)

Fenestration Proposal and Reason Statement EC165 (commercial fenestration requirement, sponsored jointly by NBI and AIA)

Please send any questions or comments on EC157 or EC165 to


Development of Proposal

Core Performance Guide: Documents and Background located at www.advancedbuildings.net
National Lighting Power Density Comparisons (PDF 98KB)
Derivation of HVAC Efficiency Levels (PDF 36KB)
National 2010 Unitary AC Equipment Standards
Commissioning Documentation:
      Assessment of Building Commissioning Code Provisions in Seattle and Washington State Energy Codes (PDF 105KB)
      Washington State Energy Code – 2006 Edition (PDF 692KB)
Measures comparison between 2009 IECC and ASHRAE 90.1-2007 (PDF 935KB)


Modeling Used in Developing the Proposal

Energy Simulation Methodology


Other Sources

ASHRAE 90.1-2010 (proposed)

 

 
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