Hilti. Outperform. Outlast.
Highlights of the IFC
Guidelines for Evaluating
Engineering Judgments
Key Fundamental Guidelines
•
Use tested systems in lieu of EJs when available
•
Issued only by qualified technical personnel
•
Based upon interpolations of previously tested firestop systems and are referenced on
the form
•
Based on the expectation that the recommended firestop system will perform as
designed if subjected to the appropriate firestop test standard for the required
fire-rated time period
•
Limited only to the specific conditions upon which it was rendered
•
Issued for a single job and are not transferable to another job without review by
the entity who issued the EJ of all aspects of that job’s specifications to determine
whether or not the EJs are applicable to the new project
•
Issued only in those locales where local code enforcement jurisdictions permit their
use as suitable for meeting building code requirements
Basic EJ Presentation Requirements
•
Present in descriptive formal written form with or without detail drawings
•
Indicate clearly that the recommended firestop system is an Engineering Judgement
and NOT a listed system
•
Identify job, contractor, non-standard conditions and required hourly rating
•
Provide complete descriptions of all vital elements of the firestop system (i.e. type
of assembly being penetrated, type of penetrant, size of opening, annular space
requirements, etc.)
•
Include clear installation instructions for the firestop system
•
Show dates of issue and authorization signatures as well as issuer’s name, address
and telephone number
•
Reference the number of the tested system(s) the design is based on
Hilti. Outperform. Outlast.
Hilti, Inc. (U.S.) 1-800-879-8000 www.us.hilti.com • Hilti (Canada) Corp. 1-800-363-4458 www.hilti.ca
Three steps to
requesting an
Engineering
Judgment
1. Gather all required
project and application
information.
2. Download an Engineering
Judgment Request Form
at www.us.hilti.com/
engineering-judgments
or www.hilti.ca/
engineering-judgments.
Fill out the required fields
marked with an asterisk
(*). Accurate information
helps expedite your
request.
3. Email the completed
form to: usfirestopeng@
us.hilti.com. Please also
include a sketch of your
firestop application along
with your Engineering
Judgment Request Form.
A member of our Firestop
Team will be in touch
regarding your EJ request.
Hilti Firestop
Saving lives
through innovation
and education
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