August 31, 2010 PARTIES INTERESTED IN EVALUATION REPORTS ON ACCESS FLOORS

Transcription

1 August 31, 2010 TO: PARTIES INTERESTED IN EVALUATION REPORTS ON ACCESS FLOORS SUBJECT: Proposed Revisions to the Acceptance Criteria for Access Floors, Subject AC R1 (EL/BG) Dear Madam or Sir: Hearing Information: Wednesday, October 6, :00 a.m. Sheraton Gateway Hotel Los Angeles 6101 West Century Boulevard Los Angeles, California (888) An evaluation report applicant has requested revisions to the subject acceptance criteria, which will be considered at the ICC-ES Evaluation Committee hearing noted above. Currently, Section of AC300 requires adhesive to comply with the ICC-ES Acceptance Criteria for Sandwich Panel Adhesives (AC05), in its entirety. As indicated in the title of AC05 and Section 1.1 of AC05, the requirements in AC05 are applicable to adhesives used in sandwich panels. Consequently, several requirements in AC05 are not applicable to pedestal adhesive used with access floors. The report applicant s proposed revisions to AC300 are intended to provide specific testing requirements for adhesives used to affix access floor pedestals to supporting floors, instead of requiring full compliance with AC05. Please note that while the proposed revisions in the enclosed criteria draft have been written by the ICC-ES staff and differ in wording from the report applicant s proposal, we believe them to be consistent with the applicant's intent. In addition to clarifying testing requirements for adhesives, the report applicant has sought to clarify the requirements for quality documentation and inspections related to adhesives. Based on the applicant's proposal, we have reviewed Section 5.0 of AC300 in its entirety. Staff proposes revising Section 5.0 as shown in the enclosed criteria draft to clarify the requirements for quality documentation and ongoing inspections for all of the components of the access floor system.

2 AC R1 2 You are cordially invited to submit written comments on agenda items, or to attend the Evaluation Committee hearing and present verbal comments. If you wish to contribute to the hearing, please note the following: 1. Written comments that are received by the Los Angeles business/regional office by September 17, 2010, will be forwarded to the committee prior to the hearing, and will be posted on the ICC-ES web site shortly after the comment deadline. 2. Written comments received up to ten days before the meeting, and staff memos responding to comments, will be posted to the web site on September 28, ICC-ES is no longer providing printed copies at the meeting of proposed acceptance criteria, staff memos or public comments. These documents will be available on a limited number of CDs at the meeting, for uploading to computers; and ICC-ES will make arrangements with the hotel business center to have hard copies available for photocopying. 4. Written comments that miss the deadline noted in item (1), above, will only be available at the meeting if you provide 35 copies, collated, stapled, and three-hole punched, either at the meeting itself or to the Los Angeles business/regional office by September 28, If you plan to speak for more than 15 minutes, or offer a visual presentation lasting longer, you should notify ICC-ES staff as far as possible in advance. There will be a computer, projector, and screen available at the meeting for anyone wishing to make a visual presentation, and presentations in most cases will need to be in PowerPoint format. Also, ICC-ES will need to be provided with your presentation at least a halfhour before the start of the relevant meeting session (morning or afternoon) on either a CD or a flash card. 6. If you have any special needs related to a presentation, you should contact ICC-ES staff well in advance of the meeting. 7. Any visual aids for viewing at committee meetings (charts, overhead transparencies, slides, videos, electronic presentations, etc.) will be permitted only if a copy is provided to ICC-ES, before the presentation, in a medium that can be retained with other records of the meeting. 8. Any materials submitted for committee consideration are considered nonconfidential and available for public discussion, as noted in Section 2.7 of the ICC-ES Rules of Procedure for the Evaluation Committee. 9. Prior to the meeting, you should refrain from trying to communicate directly with committee members about agenda items, either verbally or in writing. Committee members reserve the right to refuse such communications.

3 AC R1 3 Your cooperation with these guidelines is much appreciated, as is your interest in the deliberations of the Evaluation Committee. If you have any questions, please contact the undersigned at (800) , extension 4315, or Brian Gerber, Principal Structural Engineer, at extension You may also reach us by at es@icc-es.org. Yours very truly, EL/raf Enclosures cc: Evaluation Committee Elyse G. Levy, S.E. Senior Staff Engineer

4 ICC EVALUATION SERVICE, LLC, RULES OF PROCEDURE FOR THE EVALUATION COMMITTEE 1.0 PURPOSE The purpose of the Evaluation Committee is to monitor the work of ICC-ES, in issuing evaluation reports; to evaluate and approve acceptance criteria on which evaluation reports may be based; and to sponsor related changes in the applicable codes. 2.0 MEETINGS 2.1 The Evaluation Committee shall schedule meetings that are open to the public in discharging its duties under Section 1, subject to Section All scheduled meetings shall be publicly announced. 2.3 Two-thirds ( 2 / 3) of the voting Evaluation Committee members shall constitute a quorum. A majority vote of members present is required on any action. 2.4 In the absence of the nonvoting chairmanmoderator, Evaluation Committee members present shall elect an alternate chairman from the committee for that meeting. The alternate chairman shall be counted as a voting committee member for purposes of maintaining a committee quorum and to cast a tie-breaking vote of the committee. 2.5 Minutes of the meetings shall be kept. 2.6 An electronic audio record of meetings shall be made by ICC-ES; no other audio, video, electronic or stenographic recordings of the meetings will be permitted. Visual aids (including, but not limited to, charts, overhead transparencies, slides, videos, or presentation software) viewed at meetings shall be permitted only if the presenter provides ICC-ES before presentation with a copy of the visual aid in a medium which can be retained by ICC-ES with its record of the meeting and which can also be provided to interested parties requesting a copy. A copy of the ICC-ES recording of the meeting and such visual aids, if any, will be available to interested parties upon written request made to ICC-ES together with a payment as required by ICC-ES to cover costs of preparation and duplication of the copy. These materials will be available beginning five days after the conclusion of the meeting but will no longer be available after one year from the conclusion of the meeting. 2.7 Parties interested in the deliberations of the committee should refrain from communicating, whether in writing or verbally, with committee members regarding agenda items. All written communications and submissions regarding agenda items should be delivered to ICC-ES. All such written communications and submissions shall be considered nonconfidential and available for discussion in open session of an Evaluation Committee meeting, and shall be delivered at least ten days before the scheduled Evaluation Committee meeting if they are to be forwarded to the committee. Materials delivered to ICC-ES at least ten days before the scheduled meeting will be posted on the ICC-ES web site ( prior to the meeting. After this time, parties wishing to submit materials for consideration by the Evaluation Committee must deliver a sufficient number of copies as directed by ICC-ES. Consideration of materials not received by ICC-ES at least ten days before the meeting is at the discretion of the Evaluation Committee. Following the meeting, ICC-ES will make all materials considered by the Evaluation Committee available on the web site for a maximum period of one year following the meeting. The committee reserves the right to refuse recognition of communications which do not comply with the provisions of this section. 3.0 CLOSED SESSIONS Evaluation Committee meetings shall be open except that the chairman may call for a closed session to seek advice of counsel. 4.0 ACCEPTANCE CRITERIA 4.1 Acceptance criteria are established by the committee to provide a basis for issuing ICC-ES evaluation reports on products and systems under codes referenced in Section 2.0 of the Rules of Procedure for Evaluation Reports. They also clarify conditions of acceptance for products and systems specifically regulated by the codes. Acceptance criteria may involve a product, material, method of construction, or service. Consideration of any acceptance criteria must be in conjunction with a current and valid application for an ICC-ES evaluation report, an existing ICC-ES evaluation report, or as otherwise determined by the Evaluation Committee. 4.2 Procedure: Proposed acceptance criteria shall be developed by the ICC-ES staff and discussed in open session with the Evaluation Committee during a scheduled meeting, except as permitted in Section 5.0 of these rules Proposed acceptance criteria shall be available to interested parties at least 30 days before discussion at the committee meeting The committee shall be informed of all pertinent written communications received by ICC-ES Attendees at Evaluation Committee meetings shall have the opportunity to speak on acceptance August 20, 2010 Pg 1 of 2

5 ICC EVALUATION SERVICE, LLC, RULES OF PROCEDURE FOR THE EVALUATION COMMITTEE criteria listed on the meeting agenda, to provide information to committee members. 4.3 Approval of acceptance criteria shall be as specified in Section 2.3 of these rules. 4.4 Actions of the Evaluation Committee may be appealed in accordance with the ICC-ES Rules of Procedure for Appeal of Acceptance Criteria or the ICC- ES Rules of Procedure for Appeals of Evaluation Committee Technical Decisions. 5.0 COMMITTEE BALLOTING FOR ACCEPTANCE CRITERIA 5.1 Acceptance criteria may be issued without a public hearing following a 30-day public comment period and a majority vote for approval by the Evaluation Committee when, in the opinion of ICC-ES staff, one or more of the following conditions have been met: 1. The subject is nonstructural, does not involve life safety, and is addressed in nationally recognized standards or generally accepted industry standards. 2. The subject is a revision to an existing acceptance criteria that requires a formal action by the Evaluation Committee, and public comments raised were resolved by staff with commenters fully informed. 3. Other acceptance criteria and/or the code provide precedence for the revised criteria. 5.2 Negative votes must be based upon one or more of the following, for the ballots to be considered valid and require resolution: a. Lack of clarity: There is insufficient explanation of the scope of the acceptance criteria or insufficient description of the intended use of the product or system; or the acceptance criteria is so unclear as to be unacceptable. (The areas where greater clarity is required must be specifically identified.) b. Insufficiency: The criteria is insufficient for proper evaluation of the product or system. (The provisions of the criteria that are in question must be specifically identified.) c. The subject of the acceptance criteria is not within the scope of the applicable codes: A report issued by ICC-ES is intended to provide a basis for approval under the codes. If the subject of the acceptance criteria is not regulated by the codes, there is no basis for issuing a report, or a criteria. (Specifics must be provided concerning the inapplicability of the code.) d. The subject of the acceptance criteria needs to be discussed in public hearings. The committee member requests additional input from other committee members, staff or industry. 5.3 An Evaluation Committee member, in voting on an acceptance criteria, may only cast the following ballots: Approved Approved with Comments Negative: Do Not Proceed 6.0 COMMITTEE COMMUNICATION Direct communication between committee members, and between committee members and an applicant or concerned party, with regard to the processing of a particular acceptance criteria or evaluation report shall take place only in a public hearing of the Evaluation Committee. Accordingly: 6.1 Committee members receiving an electronic ballot should respond only to the sender (staff). Committee members who wish to discuss a particular matter with other committee members, before reaching a decision, should ballot accordingly and bring the matter to the attention of ICC-ES staff, so the issue can be placed on the agenda of a future committee meeting. 6.2 Committee members who are contacted by an applicant or concerned party on a particular matter that will be brought to the committee will refrain from private communication and will encourage the applicant or concerned party to forward their concerns through the ICC-ES staff in writing, and/or make their concerns known by addressing the committee at a public hearing, so that their concerns can receive the attention of all committee members. August 20, 2010 Pg 2 of 2

6 (800) (562) A Subsidiary of the International Code Council PROPOSED REVISIONS TO THE ACCEPTANCE CRITERIA FOR ACCESS FLOORS AC300 Proposed August 2010 Previously approved June 2009 and February 2005 PREFACE Evaluation reports issued by ICC Evaluation Service, LLC (ICC-ES), are based upon performance features of the International family of codes and other widely adopted code families, including the Uniform Codes, the BOCA National Codes, and the SBCCI Standard Codes. Section of the International Building Code reads as follows: The provisions of this code are not intended to prevent the installation of any materials or to prohibit any design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved. An alternative material, design or method of construction shall be approved where the building official finds that the proposed design is satisfactory and complies with the intent of the provisions of this code, and that the material, method or work offered is, for the purpose intended, at least the equivalent of that prescribed in this code in quality, strength, effectiveness, fire resistance, durability and safety. Similar provisions are contained in the Uniform Codes, the National Codes, and the Standard Codes. ICC-ES may consider alternate criteria, provided the report applicant submits valid data demonstrating that the alternate criteria are at least equivalent to the criteria proposed in this document, and otherwise meet the applicable performance requirements of the codes. Notwithstanding that a product, material, or type or method of construction meets the requirements of the criteria proposed in this document, or that it can be demonstrated that valid alternate criteria are equivalent to the criteria in this document and otherwise meet the applicable performance requirements of the codes, ICC-ES retains the right to refuse to issue or renew an evaluation report, if the product, material, or type or method of construction is such that either unusual care with its installation or use must be exercised for satisfactory performance, or malfunctioning is apt to cause unreasonable property damage or personal injury or sickness relative to the benefits to be achieved by the use of the product, material, or type or method of construction. Acceptance criteria are developed for use solely by ICC-ES for purposes of issuing ICC-ES evaluation reports.

7 PROPOSED REVISIONS TO THE ACCEPTANCE CRITERIA FOR ACCESS FLOORS (AC300) 1.0 INTRODUCTION 1.1 Purpose: The purpose of this acceptance criteria is to establish requirements for access floors to be recognized in an ICC Evaluation Service, LLC (ICC-ES), evaluation report under the 2006 and 2009 International Building Code (IBC), the BOCA National Building Code/1999 (BNBC), the 1999 Standard Building Code (SBC), and the 1997 Uniform Building Code (UBC). The bases of recognition are IBC Section , BNBC Section 106.4, SBC Section 103.7, and UBC Section This criteria has been developed to specify the test methods, and performance and installation requirements, for access floors which are to be recognized by ICC-ES, since such requirements are not addressed by the codes listed above. 1.2 Scope: This criteria is applicable to access floors which consist of panels supported by structural assemblies placed directly on structural floors and used to provide an access for electrical and other accessories installed below the floor panel surface. Panels shall be mounted on pedestals with or without stringers. Pedestals can either be adjusted to various heights or a fixed height. Panels are limited to occupancies (nonresidential) other than IBC Groups R-1, R-2, R-3, and R-4. For access floors with combustible materials in the concealed spaces on fire-resistance-rated floors, fireblocking shall fill the space between the floor and the underside of access floor panels to resist the free passage of flame and products of combustion; or there shall be fireblocking in such a manner that there will be no open spaces under the flooring that will exceed 100 square feet (9.3 m 2 ) in accordance with Sections and of the IBC. In combustible construction, draftstopping in accordance with IBC Section shall be installed in floor spaces, so that the horizontal floor areas do not exceed 1,000 square feet (93 m 2 ). 1.3 Codes and Reference Standards: Where standards are referenced in this criteria, these standards shall be applied consistently with the applicable code upon which compliance is based Codes: and 2009 International Building Code (IBC), International Code Council BOCA National Building Code/1999 (BNBC) Standard Building Code (SBC) Uniform Building Code (UBC) Reference Standards: ASCE/SEI 7-05, Minimum Design Loads for Building and Other Structures, American Society of Civil Engineers ASTM E 84[-04, 2006 IBC; -07, 2009 IBC], Standard Test Method for Surface Burning Characteristics of Building Materials, ASTM International ASTM E 136[-99e01, 2006 IBC; -04, 2009 IBC], Test Method for Behavior of Materials in a Vertical Tube Furnace at 750 C, ASTM International ASTM E , Standard Test Method for Conducting Transverse and Concentrated Load Tests on Panels Used in Floor and Roof Construction, ASTM International ICC-ES Acceptance Criteria for Sandwich Panel Adhesives (AC05) NFPA 70 [2005, 2006 IBC; 2008, 2009 IBC], National Electric Code, National Fire Protection Association Recommended Test Procedures for Access Floors, Ceilings and Interior Systems Construction Association (CISCA), BASIC INFORMATION 2.1 General: The following information shall be submitted: Product Description: Panels: Complete information concerning panel materials, weights, dimensions, specifications, and the manufacturing process. Specifications for cementitious materials shall include 28-day compressive strength (f c ) and density Pedestals: Components used as a supporting structure shall be defined. Complete information concerning dimensions, specifications and the manufacturing process of the pedestal head, stud, tube and base shall be provided Connections: Connections (welds, and mechanical fasteners) shall be detailed or sufficiently described. Fasteners used in the assembly shall be specified. Information regarding the mechanical fasteners shall be provided as follows: a. Whether the fastener is a commodity fastener or a proprietary fastener. b. Fastener name and designation, as applicable. c. Fastener dimensions. d. For proprietary fasteners, provide the following: name of manufacturer; manufacturer s model or catalog number; technical drawing showing the fastener dimensions, including manufacturing tolerances; material specifications, including chemical and mechanical properties and protective coating requirements Stringers: Complete information concerning stringer dimensions, specifications, and the manufacturing process Adhesives: Types of adhesives used shall be described. Information shall cover commercial stock numbers, specifications, assembly conditions, application instructions, pot life, storage temperature and the minimum cure time when applied. Adhesives shall comply with AC Installation Instructions: Drawings or installation details, limitations, and a description of how the product is to be installed Packaging and Identification: A description of the method of packaging and identification of floor panels, pedestals, and accessory components.

8 PROPOSED REVISIONS TO THE ACCEPTANCE CRITERIA FOR ACCESS FLOORS (AC300) Identification provisions shall include the manufacturer s name, the product name, the manufacturing date, the evaluation report number and the name or logo of the inspection agency. A copy of the installation instructions, as packaged with the product, shall be submitted Field Preparation: A description of the methods for field-cutting, trimming and forming; adhesive preparation and placement; fastener placement. 2.2 Testing Laboratories: Testing laboratories shall comply with Section 2.0 of the ICC-ES Acceptance Criteria for Test Reports (AC85) and Section 4.2 of the ICC-ES Rules of Procedure for Evaluation Reports. 2.3 Test Reports: Test reports shall comply with AC Product Sampling: Sampling of the tests under this criteria shall comply with Sections 3.1 and 3.3 of AC TEST AND PERFORMANCE REQUIREMENTS 3.1 Noncombustibility: To be considered noncombustible, access floor component materials shall comply with Section of the IBC, or Section 215 of the UBC. For assessment of a composite material for compliance with Section of the IBC, Section of the BNBC, Section 202 of the SBC, or Section 215 of the UBC, testing in accordance with ASTM E 84 shall be conducted on both top and bottom panel faces, if dissimilar. 3.2 Interior Floor Finish: Interior floor finish, when used as a part of the access floor assembly, shall comply with Sections 804.1, 804.2, and of the IBC, Sections and of the BNBC, and Sections , , , and of the SBC. 3.3 Fireblocking and Draftstopping Materials: Fireblocking and draftstopping materials shall comply with IBC Sections and , respectively; BNBC Sections and 721.3, respectively; SBC Section ; or UBC Sections and , respectively. 3.4 Structural Requirements: General: Access floors shall withstand uniform and concentrated loads specified in Section and Table of the IBC (SBC), Section and Table 1606 of the BNBC, Section of the SBC, or Section and Table 16-A of the UBC. The concentrated load set forth in the IBC (SBC), BNBC, or the UBC shall be assumed to be applicable for an area 2 1 / 2 feet (762 mm) square in accordance with Section of the IBC (SBC), Section of the BNBC or Section of the UBC. The access floors shall also have the ability to withstand the applied seismic loads determined in accordance with the applicable code. Tests shall be performed on the access floor components in accordance with Sections 4.1, 4.2 and 4.3 of this criteria. Tests on stringers, if used, shall be conducted in accordance with Section of this criteria Conditions of Acceptance: Where fewer than five samples are tested, and the coefficient of variation is greater than 15 percent, the most conservative value shall be used; where the coefficient of variation does not exceed 15 percent, the average value shall be used. Where five or more samples are tested, the average value shall be used, regardless of the coefficient of variation Panels: The recognized allowable loads of panels shall be the lesser of the following: a. The maximum deflection of panels under allowable loads shall be 1 / 360 of the span in accordance with Table of the IBC, Section of the BNBC, Table of the SBC, or Table 16-D of the UBC. b. A factor of safety of 5 shall be applied to the average panel maximum loads to establish the allowable panel load. The resulting allowable load shall be equal to or exceed the load specified for Access Floors in Section and Table of the IBC (SBC), Section and Table 1606 of the BNBC, Section of the SBC, or Section and Table 16-A of the UBC Stringers: Testing may be omitted when stringers are nonload-bearing. The allowable load of stringers shall be the lesser of the following: a: The peak or maximum load divided by a safety factor of 3. b. The load at which the maximum deflection is 1 / 360 of the span. c. The load at which the permanent set after removing service loads is a maximum of 0.01 inch (0.25 mm) Adhered Pedestal Lateral Resistance: A factor of safety of 3 shall be applied to the average pedestal ultimate loads to qualify pedestals for the lateral load resistance when adhered pedestals will be utilized. Pedestal adhesives shall be tested with a safety factor of 5 applied to establish the allowable load. The lesser of two values will establish the allowable lateral capacity of the adhered pedestals. Test procedures shall be as specified in Section 4.2 and of this criteria Mechanically Fastened Pedestal Lateral Resistance: A factor of safety of 3 shall be applied to the average pedestal ultimate loads to qualify pedestal anchors for the lateral load resistance and to establish the allowable loads for mechanically anchored pedestals. Tests shall be in accordance with Section 4.2 of this criteria Pedestal Axial Load: The allowable pedestal axial load shall be the peak or maximum load divided by a safety factor of Component Properties: Reports of structural testing shall include verification that each component complies with the manufacturer s specifications, through testing or other methods of verification, such as mill certificates. 3.6 Adhesives: Adhesives used to attach access floor pedestals to the supporting structural floor shall be tested in accordance with Section 4.4, to establish the durability of the adhesive. Testing is required for each adhesive for which recognition is sought. Specimens tested after being subjected to adverse conditions, such as accelerated aging or oxidation, shall not exhibit a strength loss of more than 20 percent when the average results are compared to the average results for the control specimens. 3

9 PROPOSED REVISIONS TO THE ACCEPTANCE CRITERIA FOR ACCESS FLOORS (AC300) 4.0 TEST METHODS 4.1 Concentrated and Uniform Load Test on Panels: Concentrated Load Test on Panels: When panel dimensions exceed 2 1 / 2 feet (762 mm) square, allowable concentrated load shall be determined. At least three randomly selected specimens shall be used during the test. Test procedures shall be in general conformance with ASTM E The concentrated load shall be applied over an area measuring a minimum of 2 1 / 2 feet (762 mm) square. The load shall be applied at the most critical location. Multiple tests may be necessary to determine the critical location Uniform Load Test on Panels: A minimum of three specimens shall be used during the test. Testing shall be conducted in accordance with Section of ASTM E 2322 and Section 7 of CISCA, with the following clarifications: a. Load application and deformation readings shall be in accordance with Section 6.3 of ASTM E b. Air bags shall fully contact the test specimens during testing. c. Bearing area of the test specimens shall accurately represent the intended field installation Concentrated Load Test on Stringers: At least three specimens shall be tested. Tests shall be conducted in accordance with Section 4 of CISCA. As an alternative, testing on stringers in combination with the panels shall be performed in accordance with Sections and 4.1.2, if the stringers directly carry the load from the panel. 4.2 Lateral Load Capacity Test on Pedestals: Lateral capacity tests shall be performed on adhered or fastened pedestals at the base. A minimum of five specimens of each combination of pedestal, adhesive/ fastener and substrate shall be tested and subjected to the lateral loads. Test procedures shall conform to Section 6 of CISCA. Results may be extended to other pedestal types provided an analysis demonstrating the other pedestals are stiffer and stronger than the tested pedestals, is submitted to and found acceptable by ICC- ES staff Lateral Load Capacity Test on Pedestal Adhesives: Test pedestals utilized to qualify pedestal adhesives for the lateral load resistance shall be of sufficient construction and stiffness to ensure that the mode of failure is confined to the adhesives and the area of the base plates. A minimum of five specimens of each combination of pedestal, adhesive, and substrate shall be tested and subjected to the lateral loads. Test procedures shall conform to Section 6 of CISCA. 4.3 Axial Load Test on Pedestals: Axial load tests shall be conducted in accordance with Section 5 of CISCA on a minimum of three specimens of each type of pedestal for which recognition is sought. 4.4 Adhesive Tests: Test specimens, conditioning and methods shall comply with the ICC-ES Acceptance Criteria for Sandwich Panel Adhesives (AC05), as indicated in the following sections. Materials which are more representative of typical installation than those described in Section 5.0 of AC05 may be used in test specimens. A set of specimens shall consist of five identical specimens Block Shear: Three sets of specimens shall be prepared. The control set shall be conditioned in accordance with Section 6.0 of AC05, and tested in accordance with Section 8.3 of AC05. The second set shall be subjected to accelerated aging in accordance with Section 7.1 of AC05, conditioned in accordance with Section 6.0 of AC05, and tested in accordance with Section 8.3 of AC05. The third set shall be subjected to an oxidation process in accordance with Section 8.7 of AC05 and tested in accordance with Section 8.3 of AC Bond Strength: Two sets of specimens shall be prepared. The control set shall be conditioned in accordance with Section 6.0 of AC05, and tested in accordance with Section 8.5 of AC05. The second set shall be subjected to accelerated aging in accordance with Section 7.1 of AC05, conditioned in accordance with Section 6.0 of AC05, and tested in accordance with Section 8.5 of AC Mold: Each adhesive shall be evaluated for mold resistance in accordance with Section 8.8 of AC Chemical Reagent (Optional): Where recognition is sought for resistance to chemical reagents, testing shall be conducted in accordance with Section 8.9 of AC05 for each chemical reagent. 5.0 QUALITY CONTROL 5.1 The products floor panels and welded metal components of the access floors shall be manufactured under an approved quality control program, with. Iinspections by an inspection agency accredited by the International Accreditation Service (IAS), or otherwise acceptable to ICC-ES, are required, except for nonwelded metal components. Quality documentation complying with the current ICC-ES Acceptance Criteria for Quality Documentation (AC10) shall be submitted. The quality program shall verify continued product compliance with specifications in Section 2.1 of this criteria. 5.2 Third-party follow-up inspections are required under this acceptance criteria as set forth in Section 5.1. Components other than floor panels and welded metal components, shall be manufactured under an approved quality control program. Quality documentation complying with AC10 shall be submitted. 5.3 Proprietary components, as defined in the ICC-ES Policy on Proprietary Components, shall be manufactured under an approved quality control program. Quality documentation from the proprietary component manufacturer, complying with AC10, shall be submitted. 6.0 EVALUATION REPORT RECOGNITION The evaluation report shall include: 6.1 Basic information referenced in Section 2.1 of this criteria, including a description of the access floor system, installation instructions and requirements, and product identification information. 6.2 Language indicating that electrical wiring methods for installations below the access floor system shall be in compliance with Section (C) of the NFPA Allowable loads, including fastening methods and substrates. 6.4 Fireblocking and draftstopping requirements. 4

10 PROPOSED REVISIONS TO THE ACCEPTANCE CRITERIA FOR ACCESS FLOORS (AC300) 6.5 Language indicating that changes in the floor elevation provided by ramps or stairs shall be in accordance with the IBC or UBC. 6.6 Language indicating that interior floor finish shall comply with Section 804 of the IBC, Sections and of the BNBC, or Section of the SBC. 6.7 Language indicating that seismic design of the access floors shall comply with Section of ASCE/SEI Language indicating that use as a Special Access Floor complying with Section of ASCE/SEI 7-05 is outside the scope of the evaluation report. 5