ASTM E2750-23 PDF
Standard Guide for Extension of Data from Penetration Firestop System Tests Conducted in Accordance with ASTM E814
Standard Guide for Extension of Data from Penetration Firestop System Tests Conducted in Accordance with ASTM E814
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 8
- Дата публикации:
- 1 апреля 2023 г.
- Издание:
- E2750
- ICS:
- 13.220.50
SIGNIFICANCE AND USE 4.1 The methods and procedures set forth in this guide relate to the extension of the fire test results to firestop systems that have not been tested. 4.2 Users of this guide must have knowledge and understanding of the provisions of Test Methods E119 and Test Method E814 including those pertaining to conditions of acceptance. 4.3 In order to apply some of the principles described in this guide, reference to the original fire test report will be necessary. 4.4 In Test Method E814, the specimens are subjected to specific laboratory fire test exposure conditions. Differences between the tested assembly and the as-built assembly impact the fire-test-response characteristics. Substitution of different test conditions also impacts the fire-test-response characteristics. 4.5 The extension of data is valid only for the fire test exposure described in Test Method E814. 4.6 This guide shall not be used to extrapolate the fire resistance rating to a higher value. 4.7 Limitations: 4.7.1 The extension of fire resistance data is to be used only for changes to the tested specimen that fall within normal and reasonable limits of accepted construction practices. 4.7.2 Conclusions derived from using this guide are valid only if the identified change is the only change in the construction or properties of the components. 4.7.3 Evaluation of changes to the fire-resistive assembly in which the firestop is installed is governed by the Extension of Data principles in Practice E2032. 4.8 The statements in this guide are based on a single change to a system. Note 2: It is possible that multiple changes have a different cumulative effect than that of individual changes evaluated separately. The principles contained herein may provide useful information for the application of sound engineering principles to evaluate the effect of multiple differences between tested and installed firestops. 4.9 Extensions of data using this document shall be done by individ... SCOPE 1.1 This guide covers the extension of results obtained from fire tests performed in accordance with Test Method E814 to applications that have not been tested. Test Method E814 evaluates the duration for which test specimens will contain a fire, retain their integrity, or both during a predetermined fire test exposure. Firestops are intended for use in fire-resistive walls and floors that are evaluated in conformance with Test Methods E119. Note 1: Data obtained from firestops tested in accordance with Test Methods E119 with positive pressure can also be used. 1.2 This guide is based on principles involving the extension of test data using simple considerations. The acceptance of these principles and their application is based substantially on an analogous worst-case proposition. 1.3 These principles are only applicable to temperature conditions represented by the standard time-temperature curve described in Test Method E814, for systems falling within the scope of Test Method E814. This test method is a fire-test-response standard. 1.4 The types of building constructions which are part of this guide are as follows: floors, walls, partitions, floor/ceiling and roof/ceiling assemblies. 1.5 This guide applies to: 1.5.1 a single penetrating item, or 1.5.2 multiple penetrating items. 1.6 This guide does not apply to joints systems tested to Test Methods E119, E1966, E2307, and E2837. 1.7 Penetrating items can be one of the following: metallic pipe, non-metallic pipe, metallic tubing, non-metallic tubing, metallic conduit, non-metallic conduit, flexible metal conduit, cables, cable trays, bus ducts, insulated pipes, insulated tubing, insulated conduit, insulated and non-insulated ducts, and structural members. Metallic pipe, tubing or conduit 6.7 Insulated pipe, tubing or conduit 6.8 Non-metallic pipe, tubing or conduit 6.9 and 6.10 Flexible metal conduit 6.11.1.4 and 6....
Abstract
Overview
ASTM E2750-23: Standard Guide for Extension of Data from Penetration Firestop System Tests Conducted in Accordance with ASTM E814 provides comprehensive guidance for extending the results of penetration firestop system tests. Developed by ASTM International, this standard supports engineers, fire protection professionals, and construction teams in determining if firestop systems tested under ASTM E814 can be applied to assemblies or penetrations not specifically tested. The guide is essential for maintaining fire safety in building construction, particularly where modifications or variances from tested assemblies are necessary.
Key Topics
- Scope of Application: ASTM E2750-23 outlines methods for extending fire test data to untested firestop systems based on analogical comparisons and worst-case scenarios.
- Applicable Construction Types: The guidance applies to a range of building assemblies, including
- Concrete floors or walls
- Masonry walls
- Gypsum board wall assemblies
- Wood floor/ceiling assemblies
- Concrete floor/ceiling assemblies
- Chase wall assemblies and fire-resistance insulated walls
- Permissible Penetrating Items: Covers metallic and non-metallic pipes, tubing, conduits, flexible metal conduits, cables, cable trays, bus ducts, insulated/uninsulated ducts, and structural/support members.
- Key Limitations: Extensions are valid only within the context of acceptance criteria and exposure conditions set by ASTM E814. The guide does not support extrapolation of fire resistance to higher ratings or substitution of materials not previously tested.
- Criteria for Valid Evaluations: The use of this guide requires:
- Understanding of ASTM E814 and ASTM E119 test methods
- Reference to original fire test reports
- Application by qualified technical personnel, such as registered professional engineers or knowledgeable firestop manufacturer personnel
Applications
ASTM E2750-23 is used in the following practical scenarios:
- Design Modifications: When there are minor changes to a construction, such as alterations in penetrant size, insulation density, or supporting assembly dimensions, this guide helps determine if tested firestop systems remain valid.
- Building Renovations and Upgrades: Useful when retrofitting or upgrading buildings, allowing for engineering judgment regarding the reapplication of tested firestop solutions for new configurations.
- Code Compliance: Provides an accepted methodology to support code arguments or approvals when exact match-tested systems are unavailable.
- Engineering Judgments: Assists engineers in sound decision-making for firestop system modifications by referencing worst-case tested data rather than requiring new testing for every minor assembly change.
Examples of allowable extensions include:
- Increasing the thickness of concrete or gypsum board in assemblies
- Reducing the size of penetrants or tray dimensions
- Substituting certain materials (e.g., fibrous insulation types) within specified parameters
All changes must be within the documented test ranges, and the assembled firestop system must not be modified in ways that could lower its tested fire resistance rating.
Related Standards
ASTM E2750-23 frequently references and is used in conjunction with the following standards:
- ASTM E814: Test Method for Fire Tests of Penetration Firestop Systems
- ASTM E119: Test Methods for Fire Tests of Building Construction and Materials
- ASTM E2032: Practice for Extension of Data from Fire Resistance Tests Conducted in Accordance with ASTM E119
- ASTM E1966, E2307, and E2837: Additional fire resistance and joint system testing standards
- ACI 216: Fire Resistance of Concrete
- ISO/TR 12470: International guidance on the extension of fire resistance test results
Keywords: fire resistance, firestop systems, ASTM E814, extension of test data, building fire safety, penetration firestop, engineering judgment, building code compliance
By following ASTM E2750-23, professionals support safe, code-compliant building modifications and ensure tested firestop performance is appropriately extended to similar but untested applications.
Технические детали
- Технический комитет
- E05 - Fire Standards
- SKU
- ASTM E2750-23
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