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Memos for the June 2011 ICC-ES Evaluation Committee Meeting

Tuesday, June 7, 2011

  1. AC430 Proposed Acceptance Criteria for Deck Harnesses for Residential Decks. A new criteria is proposed for proprietary deck harnesses for residential decks as an alternative hold-down tension devices prescribed in IRC Section R502.2.2.3 of the 2009 International Residential Code® (IRC). This subject was previously considered by the Evaluation Committee in February 2011. Click here.

  2. AC13 Proposed Revisions to the Acceptance Criteria for Joint Hangers and Similar Devices. Revisions are proposed to provide clarification regarding permissible methods of reinforcement for the test assemblies, incorporate language regarding engineered wood products that are used in test assemblies, allow greater flexibility for cases in which wood used in the test assemblies has a moisture content of 11 percent or less, provide an alternate to the torsional moment capacity testing requirements, provide provision regarding the recognition of allowable loads for hangers based on testing of other models, and to provide provisions for the standardization of conditions of use and other language within evaluation reports. Click here.

  3. AC316 Proposed Revisions to the Acceptance Criteria for Shrinkage Compensating Devices. Revisions are proposed to simplify the evaluation of tension-controlled shrinkage compensating devices (TCSCD) by defining the proof load as 1.5 times the nominal strength of the connected threaded rod along with other related changes. Click here.
  1. AC120 Proposed Revisions to the Acceptance Criteria for Wood Screws Used in Horizontal Diaphragms and Vertical Shear Walls. Revisions are proposed to expand the scope of the criteria to allow for structural composite lumber and prefabricated wood I-joists as supporting framing for horizontal diaphragms, allow alternative wood screws to have penetrations different from what the code prescribes for nails, remove mean slip at peak load from lateral load testing as one of the conditions of acceptance for alternative wood screws, eliminate the comparative requirement of bending yielding strength between screws and nails, and to permit screws to resist combined shear and wind uplift from wind when used in horizontal diaphragm assemblies. Click here (Updated).

  2. AC233 Proposed Revisions to the Acceptance Criteria for Alternate Dowel-type Treaded Fasteners. Revisions are proposed to provide clarification regarding testing and data submittal requirements, incorporate provisions for the evaluation of screw installations where the screw axis is oriented at an angle other than 90-degrees to the wood grain, provisions to standardize statements and tables within evaluation reports and to incorporate provisions to increase the minimum moisture content for wet wood members used in establishing wet service factors. Click here.
  1. AC304 Proposed Revisions to the Acceptance Criteria for Inspection Agencies. Revisions are proposed to incorporate new ICC-ES requirements for inspections of manufacturing facilities. Click here.

  2. AC10 Proposed Revisions to the Acceptance Criteria for Quality Documentation. Revisions are proposed to incorporate the requirements for quality documentation that are needed to implement the new inspections, to delete Item 9 in Appendix A and to revise Item 12 (renumbered as Item 11) of Appendix A to clarify that declarations need to be provided in a separate document signed by the report applicant. Click here.

Wednesday, June 8, 2011

  1. AC212 Proposed Revisions to the Acceptance Criteria for Water-resistive Coatings Used as Water-resistive Barriers over Exterior Sheathing. Revisions are proposed to set forth conditions under which the code official may waive the criteria’s requirement for special inspection of the field installation of the water-resistive coatings. Click here.
  1. AC269 Proposed Revisions to the Acceptance Criteria for Racking Shear Evaluation of Proprietary Sheathing Materials Attached to Light-frame Wall Construction or Code-complying Sheathing Attached to Light-framed Walls with Proprietary Fasteners. Revisions are proposed to clarify that the criteria does not apply to exterior wall coverings, clarify that testing under Section 4.1 of the criteria is needed before testing per Section 4.3.1 is to be conducted, add a definition of the first major event (FME), correct a typographical error in Section 3.1.3, clarify the material specifications for cold-formed steel materials, revise the maximum base-metal thickness allowed in test assemblies, and to revise the moisture conditioning requirements of Section 4.1.7. Click here.
  1. AC38 Proposed Revisions to the Acceptance Criteria for Water-resistive Barriers. Revisions are proposed to add an optional method of testing water-resistive barriers for their ability to provide a means of draining water that enters a stucco or adhered masonry wall envelope from the exterior. Forthcoming.

  2. AC29 Proposed Revisions to the Acceptance Criteria for Cold, Liquid-applied, Below-grade, Exterior Dampproofing and Waterproofing Materials. Revisions are proposed to clarify that soil conditioning of both dampproofing and waterproofing products is required prior to determining weight loss and water vapor permeance, clarify that soil conditioning of waterproofing products is required prior to testing for hydrostatic pressure over cracks, reformat Table 1 to clarify what tests apply to both waterproofing products as well as dampproofing products and clarify the requirements that apply only to waterproofing products and add ASTM D 5385 to Section 1.3.12 as an editorial revision to the list of referenced standards. Click here.

  3. AC90 Proposed Revisions to the Acceptance Criteria for Fiber Cement Siding Used as Exterior Wall Siding. Revisions are proposed to clarify that the criteria applies to walls and to clarify that the transverse load tests and the racking shear tests are of the siding material only. Click here.

Thursday, June 9, 2011

  1. AC58 Proposed Revisions to the Acceptance Criteria for Adhesive Anchors in Masonry Elements. Revisions are proposed to establish conformity between this criteria and AC308 in several important respects and to incorporate changes proposed in MISC1 on the agenda. Click here.
  1. AC385 Proposed Revisions to the Acceptance Criteria for Special-purpose Sprinkler Heads Used with Fixed Glazed Assemblies to Provide a Fire-resistance-rated Wall Assembly (2012 IBC). Revisions are proposed to update the criteria to the 2009 and 2012 IBC in the light of code changes that affect this criteria and to prohibit horizontal mullions in the glazed assembly that would interfere with the uniform distribution of the water flow across the surface of the glass. Click here.

  2. AC02 Proposed Revisions to the Acceptance Criteria for Reflective Foil Insulation. Revisions are proposed to divide reflective insulations into three classifications, clarify that the criteria does not address reflective-faced, rigid foam plastic insulation boards, and to clarify use conditions that are to be included in evaluation reports (one being a requirement for a thermal barrier to separate and reflective plastic core insulations that contain foam plastics). Click here.

  3. AC377 Proposed Revisions to the Acceptance Criteria for Spray-Applied Foam Plastic Insulation. Revisions are proposed to include ASTM E 970 as a method to qualify spray-applied polyurethane foam for use on attic floor with and without ignition barriers, modify Section A1.2.2 to define the maximum thickness of spray-applied polyurethane foam applied onto attic floors as the thickness of foam plastic insulation applied to the ceiling in the room corner fire test, to set density limits for test specimens in Section 3.6.1, revise Section 3.6.2 concerning the reporting of R-values, revise the language in Section 5.8 to match the language in AC12, add Section 5.9 to address how coating thickness should be reported in evaluation reports, add a second method to measure coating thickness in Section X2.1.2, and to make various editorial corrections to the criteria. Click here.