CONSTRUCTION STANDARD SPECIFICATION

SECTION 07270

[FIRESTOPPING]{.underline}

Page

PART 1 - GENERAL [2](#part-1---general)

1.00 RELATED DOCUMENTS [2](#related-documents)

1.01 SUMMARY [2](#summary)

1.02 RELATED WORK [3](#related-work)

1.04 SYSTEM PERFORMANCE REQUIREMENTS
[4](#system-performance-requirements)

1.05 SUBMITTALS [5](#submittals)

1.08 PROJECT CONDITIONS [7](#project-conditions)

PART 2 - PRODUCTS [7](#part-2---products)

2.01 FIRESTOPPING, GENERAL [7](#firestopping-general)

2.02 MATERIALS [8](#materials)

PART 3 - EXECUTION [9](#part-3---execution)

3.01 EXAMINATION [9](#examination)

3.02 PREPARATION [9](#preparation)

3.06 IDENTIFICATION OF FIRE WALLS AND PENETRATIONS
[11](#permanent-identification-of-fire-walls-and-penetrations)

3.07 REPAIRS AND MODIFICATIONS [11](#repairs-and-modifications)

3.08 FIELD QUALITY CONTROL [12](#field-quality-control)

3.09 CLEANING [12](#cleaning)

3\. 10 PROTECTION [12](#protection)

CONSTRUCTION STANDARD SPECIFICATION

SECTION 07270

**[FIRESTOPPING]{.underline}**

# PART 1 - GENERAL

## 1.00 RELATED DOCUMENTS

## A. The bidding requirements, contracting requirements, and applicable parts of the contract's DIVISION 1 -- GENERAL REQUIREMENTS shall be included in and made part of this Section.

## 1.01 SUMMARY

A. Provide firestop systems consisting of a material, or combination of
materials installed to retain the integrity of fire-rated construction
by maintaining an effective barrier against the spread of flame, smoke,
and/or hot gases through penetrations, blank openings, construction
joints, or at perimeter fire containment in or adjacent to fire-rated
construction in accordance with the requirements of the International
Building Code, Sections 712 and 713.

B. Firestop systems shall be used in locations including, but not
limited to, the following:

1\. Penetrations through fire-resistance-rated wall assemblies including
both empty openings and openings that contain penetrations.

2\. Penetrations through fire-resistance-rated floor and roof assemblies
requiring protected openings including both empty openings and openings
that contain penetrations.

3\. Membrane penetrations in fire-resistance-rated wall assemblies where
items penetrate one side of the assembly.

4\. Joints in fire-resistance-rated assemblies to allow independent
movement.

5\. Perimeter Fire Barrier System between a rated floor/roof and an
exterior wall assembly.

6\. Joints, through penetrations and membrane penetrations in smoke
barriers and smoke partitions.

## 1.02 RELATED WORK

> A. Examine Contract Documents for requirements that affect Work of
> this Section. Other Specification Sections that relate directly to
> Work of this Section include, but are not limited to:
>
> 1\. Division 3 -- CONCRETE
>
> 2\. Division 4 -- MASONRY
>
> 3\. Division 5 -- METALS
>
> 4\. Division 7 -- THERMAL AND MOISTURE PROTECTION
>
> 5\. Division 8 -- DOORS AND WINDOWS
>
> 6\. Division 9 -- FINISHES
>
> 7\. Division 15 -- MECHANICAL
>
> 8\. Division 16 -- ELECTRICAL

1.03 REFERENCES

A. Comply with applicable requirements of the following standards. Where
these standards conflict with other specific requirements, the most
restrictive requirement shall govern;

1\. American Society for Testing and Materials (ASTM):

> a\) E 84 Test Method for Surface Burning Characteristics of Building
> Materials
>
> b\) E 119 Test Method for Fire Tests of Building Construction and
> Materials
>
> c\) E 136 Test Method for Behavior of Materials in a Vertical Tube
> Furnace at 750ºF
>
> d\) E 814 Fire Tests of Through-Penetration Fire Stops
>
> e\) E 1399 Cyclic Movement and Measuring Minimum and Maximum Joint
> Widths
>
> f\) E 1966 Test Method for Resistance of Building Joint
>
> g\) E 2174 Standard Practice for On-Site Inspection of Installed Fire
> Stops
>
> h\) E 2393 Standard Practice for On-Site Inspection of Installed Fire
> Stop Joint Systems
>
> i\) E 2307 Standard Test Method for Determining the Fire Endurance of
> Perimeter Fire Barrier Systems Using the Intermediate-Scale, Multi
> Story Test Apparatus (ISMA)

2\. Factory Mutual (FM) Global Approval Guide:

> a\) FM Approval Standard of Firestop Contractors -- Class 4991

3\. Firestop Contractors International Association (FCIA):

> a\) M. O. P. Manual of Practice

4\. International Firestop Council (IFC):

> a\) Ref. 1 Recommended IFC Guidelines for Evaluating Firestop
> Engineering Judgments (April 2001)
>
> b\) Ref. 2 Sandia Construction Observers Field Pocket Guide

5\. International Building Code

6\. National Fire Protection Association (NFPA) as referenced in the
International Building Code (IBC)

7\. Underwriter's Laboratories, Inc. (UL):

> a\) UL Fire Resistance Directory
>
> b\) UL Qualified Firestop Contractor Program
>
> c\) UL 263 Fire Tests of Building Construction and Materials
>
> d\) UL 723 Surface Burning Characteristics of Building Materials
>
> e\) UL 1479 Fire-Tests of Through-Penetration Fire Stops
>
> f\) UL 2079 Tests for Fire Resistance of Building Joint Systems

## 1.04 SYSTEM PERFORMANCE REQUIREMENTS

> A. Penetrations: Provide and install firestopping systems that are
> produced to resist the spread of fire and the passage of smoke and
> other gases according to the requirements indicated, including but not
> limited to the following:

1.  Firestop all penetrations passing through fire resistance rated wall
    and floor

> assemblies and other locations as indicated on the drawings.

2.  Provide and install complete penetration firestopping systems that
    have been tested and approved by third party testing agency.

3.  F-Rated Through-Penetration Firestop Systems: Provide
    through-penetration firestop systems with F ratings indicated, as
    determined by ASTM E 814, but not less than one hour or the
    fire-resistance rating of the construction being penetrated.

4.  T-Rated Through-Penetration Firestop System: Provide firestop
    systems with T ratings, in addition to F ratings, as determined by
    ASTM E 814, where indicated by the International Building Code.

5.  L-Rated Through Penetration Firestop Systems: Provide firestop
    systems with L ratings, in addition to F and T ratings, as
    determined by UL 1479, where indicated by the International Building
    Code.

6.  W-Rated Through Penetration Firestop Systems: Provide firestop
    systems with W Water Resistance ratings, in addition to F, T, and L
    ratings, as determined by UL 1479, where indicated.

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B.  Perimeter Fire Containment Systems: Provide interior perimeter joint
    systems with fire-

> resistance ratings indicated as determined per ASTM E 2307, but not
> less than the fire-
>
> resistance rating of the floor construction.

C.  Fire-Resistive Joints: Provide joint systems with fire-resistance
    ratings indicated, as

> determined per UL 2079, but not less than the fire-resistance rating
> of the construction in
>
> which the joint occurs.

D.  All nonfire-resistance-rated floor penetrations shall be
    firestopped.

E.  Provide appropriate firestop systems for firestopping exposed to
    view, traffic, moisture,

> and physical damage.

F.  Where there is no specific third party tested and classified
    firestop system available

> for a particular firestop configuration, the firestopping contractor
> shall obtain from the
>
> firestop manufacturer an Engineering Judgment (EJ) or Equivalent Rated
> Assembly (EFRA)
>
> for submittal.

## 1.05 SUBMITTALS

A. Submit Manufacturers Product Data Sheets for each type of product
selected. Certify that Firestop Material is free of asbestos and lead
paint, and complies with local regulations.

1\. Certification by firestopping manufacturer that products supplied
comply with local regulations controlling use of volatile organic
compounds (VOCs) and are nontoxic to building occupants.

B. Submit system design listings, including illustrations from qualified
testing and inspection agency that is applicable to each firestop
configuration.

> 1\. Where there is no specific third party tested and classified
> Firestop System available for a particular firestop configuration, the
> firestopping contractor shall obtain from the firestop manufacturer an
> Engineering Judgment (EJ) or Equivalent Rated Assembly (EFRA) for
> submittal.
>
> C. Submit Material Safety Data Sheets for each product supplied.
>
> D. Submit FM or UL certification for each product supplied.
>
> E. Submit complete maintenance material and detailed instructions for
>
> repair/modifications for each product supplied.
>
> F. Submit contractor qualifications as noted in "Quality Assurance"
> Section 1.06

G. Submit Field Quality Control Test Reports

1.06 QUALITY ASSURANCE

A. Fire-Test-Response Characteristics: Provide firestopping System
Design Listing by a testing and inspection agency in accordance with the
appropriate ASTM Standard(s) per Section 1.04. A qualified testing and
inspection agency may be UL or FM Research.

B. Contractor Qualifications: Acceptable installer firms shall be:

1\. FM Approved in accordance with FM Standard 4991 -- Approval of
Firestop Contractors.

2\. UL Qualified Firestop Contractor

3\. Firestop Contractors International Association Contractor Member in
good standing.

4\. Licensed by the State of New Mexico or local authority, where
applicable.

5\. Shown to have successfully completed not less than five (5)
comparable scale projects.

C.  Alternative Contractor Qualifications: Construction contractors
    involving single trade activities can self-perform firestopping
    provided that all installers are trained and accredited by the
    manufacturer of the firestopping products used.

D. Single Source Responsibility: Obtain firestop systems for each kind
of penetration and construction condition indicated from a single
primary firestop systems manufacturer.

1\. Materials of a different manufacture shall not be intermixed in the
same firestop system or opening.

2\. Tested and listed firestop systems are to be used before an
Engineering Judgment (EJ) or Equivalent Rated Assembly (EFRA) is
installed.

3\. All firestop systems and materials used on the project shall be
installed by a single firestop contractor to maintain consistency and
accountability.

> E. Field Constructed Mockup: Prior to installing firestopping, erect
> mockups for each different firestop system indicated to verify
> selections made and to demonstrate qualities of materials and
> execution. Build mockups to comply with the following requirements,
> using materials indicated for final installations.

1.  Locate mockups on site in locations indicated or, if not indicated,
    as directed by Sandia Construction Observer. Include mockup for each
    type of system.

2.  Notify Sandia Construction Observer in advance of the dates and
    times when mockups will be installed.

3.  Obtain Sandia Construction Observer's acceptance of mockups before
    start of Work.

4.  Retain and maintain mockups during construction in an undisturbed
    condition as a standard for judging completed unit of Work. Accepted
    mockups in an undisturbed condition at time of Substantial
    Completion may become part of completed unit of Work.

1.07 DELIVERY, STORAGE, AND HANDLING

A.  Deliver firestopping products to Project site in original, unopened
    containers or packages with intact and legible manufacturers\'
    labels identifying product and manufacturer.

B.  Store and handle firestopping materials in accordance with
    manufacturers written instructions and the applicable Material
    Safety Data Sheet (MSDS).

## 1.08 PROJECT CONDITIONS

A. Environmental Conditions: Install firestopping in accordance with
manufacturer's written instructions.

B. Ventilation: Ventilate per manufacturer's instructions and Material
Safety Data Sheets (MSDS).

9.  SEQUENCING AND SCHEDULING

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A.  Project coordination is essential to inform and educate all the
    parties involved with the firestopping process of their role and how
    they can affect firestopping on the project. A pre-construction
    meeting shall be scheduled and required for all parties involved
    prior to the start of construction.

B.  Do not cover up firestopping installations until Sandia Construction
    Observer has examined each installation.

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10. ENVIRONMENTAL REGULATIONS

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A.  All materials shall be free of asbestos and lead paint, and shall
    comply with local VOC Regulations.

B.  If required, hazardous disposal of firestop materials shall be
    strictly observed as noted on the individual MSDS.

# PART 2 - PRODUCTS

## 2.01 FIRESTOPPING, GENERAL

> A. All firestop systems and materials shall be UL Listed or FM
> Approved, and shall conform to the construction type, penetrant type,
> annular space requirements, and fire rating involved in each separate
> instance.
>
> B. It is the contractor's responsibility to ensure that products from
> only one manufacturer are installed throughout the facility in order
> to maintain consistency.
>
> C. UL Joint and Perimeter Fire Containment Systems Numbering System;

+--------------------------+-------------------------------------------+
| **Alpha Characters**     | Description of Joint System               |
+--------------------------+-------------------------------------------+
| FF                       | **Floor**-**to-Floor**                    |
+--------------------------+-------------------------------------------+
| WW                       | **Wall-to-Wall**                          |
+--------------------------+-------------------------------------------+
| FW                       | **Floor-to-Wall**                         |
+--------------------------+-------------------------------------------+
| HW                       | **Head-of-Wall**                          |
+--------------------------+-------------------------------------------+
| BW                       | **Bottom-of-Wall**                        |
+--------------------------+-------------------------------------------+
| CG                       | **Wall-to-Wall Joints Intended for Use as |
|                          | Corner Guards**                           |
+--------------------------+-------------------------------------------+
| CW                       | **Perimeter fire containment system (for  |
|                          | use at the interface of a fire rated      |
|                          | floor and a nonfire-rated exterior        |
|                          | curtain wall**                            |
+--------------------------+-------------------------------------------+
| The third alpha          | **S - joint or perimeter fire containment |
| character is movement    | systems that do not have movement         |
| capability (S or D)      | capabilities.**                           |
|                          |                                           |
|                          | **D - joint or perimeter fire containment |
|                          | systems that do have movement             |
|                          | capabilities.**                           |
+--------------------------+-------------------------------------------+
| **Number Range**         | > Nominal Joint Width or Max. Clearance   |
|                          | > Distance Between Curtain Wall &         |
|                          | > Perimeter of Floor                      |
+--------------------------+-------------------------------------------+
| 0000-0999                | **Less than or equal to 2 inches**        |
+--------------------------+-------------------------------------------+
| 1000-1999                | **Greater than 2 inches and less than or  |
|                          | equal to 6 inches**                       |
+--------------------------+-------------------------------------------+
| 2000-2999                | **Greater than 6 inches and less than or  |
|                          | equal to 12 inches**                      |
+--------------------------+-------------------------------------------+
| 3000-3999                | **Greater than 12 inches and less than or |
|                          | equal to 24 inches**                      |
+--------------------------+-------------------------------------------+
| **4000-4999**            | **Greater than 24 inches**                |
+--------------------------+-------------------------------------------+

## 2.02 MATERIALS

A. Provide firestop systems composed of components that are compatible
with each other, compatible with the substrates forming the annular
spaces and joints, and compatible with the penetrating items under
conditions of service and application.

B. Provide firestop systems whose fire-resistance ratings have been
determined by testing in the configurations required and which have
fire-resistance ratings at least as high as that of the
fire-resistance-rated assembly in which they are to be installed.

1\. Provide products which:

a\. Allow normal expansion and contraction movement of the penetrating
item without failure of the penetration seal.

b\. Emit no hazardous, combustible, or irritating by-products during
installation or curing period.

c\. Do not require special tools for installation.

C. Smoke partition penetration/joint protection sealants shall be any
gunnable or pourable sealants suitable for the application. Use only
fully curing types where accessible in the finished work. Provide
products which:

1\. Allow normal expansion and contraction movement of the penetrating
item without failure of the penetration seal.

2\. Emit no hazardous, combustible, or irritating by-products during
installation or

# PART 3 - EXECUTION

## 3.01 EXAMINATION

A. Verify that all penetrating elements and supporting devices have been
installed and all temporary lines have been removed.

> B. Examine substrates and conditions, with Installer present, for
> compliance with requirements for opening configurations, penetrating
> items, substrates, and other conditions affecting performance of
> firestopping. Notify the responsible party or parties of any
> unsatisfactory conditions. Do not proceed with installation until
> unsatisfactory conditions have been corrected.

## PREPARATION

> A. Priming: Prime substrates where recommended by firestopping
> manufacturer using that manufacturer\'s recommended products and
> methods. Confine primers to areas of bond. Do not allow spillage and
> migration onto exposed surfaces.
>
> B. Masking Tape: Use masking tape to prevent firestopping from
> contacting adjoining surfaces that will remain exposed upon completion
> of Work. Remove tape as soon as it is possible to do so without
> disturbing the firestopping seal with substrates.

C.  Verify that system components are clean, dry, and ready for
    installation.

D.  Verify that field dimensions are as shown on the Drawings and as
    recommended by the manufacturer.

    3.03 INSTALLING PENETRATION FIRESTOPS

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A.  General: Comply with the \"System Performance Requirements\" article
    in Section 1 and the through-penetration firestop manufacturer\'s
    installation instructions and drawings pertaining to products and
    applications indicated.

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1.  Coordinate with other trades to assure that all pipes, conduit,
    cable, and other items, which penetrate fire-resistance-rated
    construction have been permanently installed prior to installation
    of firestop assemblies.

2.  Schedule the work to assure that partitions and all other
    construction that conceals penetrations are not erected prior to the
    installation of firestop and smoke seals.

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B.  Install forming/damming materials and other accessories in
    accordance with manufacturers written instructions.

C.  Install fill materials for through-penetration firestop systems by
    proven techniques to produce the following results:

    1.  Completely fill voids and cavities formed by openings, forming
        materials, accessories, and penetrating items.

    2.  Install materials so they contact and adhere to substrates
        formed by openings and penetrating items.

    3.  For fill materials that will remain exposed after completing
        Work, finish to produce smooth, uniform surfaces.

> D. Ensure that membrane penetrations (e.g., electrical boxes) comply
> with the Fire-Resistance-Rated Construction, Penetrations section of
> the International Building Code. For clarification, membrane
> penetrations of maximum two-hour fire-resistance-rated walls and
> partitions by steel electrical boxes that do not exceed 16 square
> inches (0.0103 m2) in area are allowed, provided the aggregate area of
> the openings through the membrane does not exceed 100 square inches
> (0.0645 m2) in any 100 square feet (9.29m2) of wall area. Any membrane
> penetration over and above the 100 square inches in the same 100
> square feet shall be protected such that the required fire resistance
> of the wall will not be reduced (i.e., use putty pads). *For example,
> if there are six electrical boxes (each 4" by 4") existing in a 100
> sq. ft. wall area, the seventh electrical box (and all additional
> penetrations) in the same 100 square feet shall be protected with
> putty pads.* The annular space between the wall membrane and the box
> shall not exceed 1/8 inch (3.1 mm).

3.04 INSTALLING FIRESTOP JOINT SYSTEMS

A.  General: Comply with the \"System Performance Requirements\" article
    in Section 1 and with the firestop manufacturer\'s installation
    instructions and drawings pertaining to products and applications
    indicated.

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1.  Install joint fillers to provide support of firestop materials
    during application and at the position required to produce the
    cross-sectional shapes and depths of installed firestop material
    relative to joint widths that allow optimum sealant movement
    capability and develop fire-resistance rating required.

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B.  Install systems by proven techniques that result in firestop
    materials:

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1.  directly contacting and fully wetting joint substrates.

2.  completely filling recesses provided for each joint configuration,

3.  providing uniform, cross-sectional shapes and depths relative to
    joint width that optimize movement capability.

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C.  Tool non-sag firestop materials immediately after their application
    and prior to the time skinning or begins. Form smooth, uniform beads
    of configuration indicated or required to:

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1.  produce fire-resistance rating

2.  to eliminate air pockets

3.  to ensure contact and adhesion with sides of joint.

3.05 INSTALLING PERIMETER FIRE BARRIER SYSTEMS

A.  General: Comply with "System Performance Requirements" article in
    Section 1 and with the firestop manufacture's installation and
    drawings pertaining to products and applications indicated.

B.  Install metal framing, curtain wall insulation, mechanical
    attachments, safing materials and firestop materials as applicable
    within the system design.

## 3.06 PERMANENT IDENTIFICATION OF FIRE WALLS AND PENETRATIONS

A. All fire-resistance-rated walls and smoke partitions shall be
stenciled in red with 3-inch high lettering to indicate that the wall is
either fire-resistance-rated or is a smoke partition. If the wall is
fire-resistance rated, indicate "FIRE RATED -- X HOURS" and the
applicable fire-resistance rating (one, two, three, or four-hours). If
the wall is a smoke partition, indicate "SMOKE PARTITION" (no
fire-resistance rating is required to be stenciled on the wall). The
stenciling shall be located on the fire-resistance-rated wall or smoke
partition above ceilings and at exposed areas (such as Mechanical and
Electrical Equipment Rooms and IDR Rooms) on 10-foot intervals and as
high as possible and still visible from the finished floor. Areas of
fire-resistance-rated walls and smoke partitions exposed to viewing by
the public shall be exempt from stenciling.

B. All firestop systems shall be labeled with permanent self-adhesive or
wired-on labels. Each label shall be a minimum of 3-in. x 5-in., be made
of a durable material, indicate it is a "Fire-Resistance-Rated Assembly"
or "Smoke Partition" and include the following information as a minimum:

+-----------------------------------+----------------------------------+
| -   System Manufacturer           | -   Installation Date            |
|                                   |                                  |
| -   Product                       | -   Location                     |
|                                   |                                  |
| -   Hour Rating                   | -   Installation Contractor      |
|                                   |                                  |
| -   UL System                     | -   Installer                    |
+-----------------------------------+----------------------------------+

Since smoke partitions are not fire-resistance-rated, the hour rating
for the smoke sealant is not required on the label.

## 3.07 REPAIRS AND MODIFICATIONS

A. All repairs and modifications shall be made using the same
manufacturer's products as the original system.

B. Identify damaged or disturbed seals requiring a repair or
modification.

C. Remove loose or damaged materials.

D. If penetrating items are to be added, remove enough material to
insert new items, being careful not to cause damage to the balance of
the firestop system. Re-seal voids in the penetration.

E. Ensure that surfaces to be sealed are clean and dry.

F. All repaired and modified firestop systems shall be labeled as per
Section 3.06.

## 

## 3.08 FIELD QUALITY CONTROL

A.  Inspection -- Sandia Construction Observer will examine penetration
    firestopping in accordance with ASTM E -- 2174, "Standard Practice
    for On-Site Inspection of Installed Fire Stops and ASTM E-2393,
    "Standard Practice for On-Site Inspection of Installed Fire Stop
    Joint Systems. Sandia Construction Observer will examine
    firestopping and will determine, in general, that firestopping has
    been installed in compliance with requirements of tested and listed
    firestop system, and installation process conforms to FM 4991 --
    Standard for Approval of Firestop Contractors or UL Qualified
    Firestop Contractor Program.

B.  The Sandia Construction Observer shall advise the contractor of any
    deficiencies noted within one (1) working day.

C.  Do not proceed to enclose firestopping with other construction until
    Sandia Construction Observer has verified that the firestop
    installation complies with the requirements.

D.  Where deficiencies are found, repair or replace the firestopping so
    that it complies with requirements of tested and listed system
    design.

## 3.09 CLEANING

A.  Clean off excess fill materials and sealants adjacent to openings
    and joints as work progresses. Use methods and cleaning materials
    approved by manufacturers of firestopping products and or assemblies
    in which openings and joints occur.

B.  Protect firestopping during and after curing period from contact
    with contaminating substances. If damage is caused by others, owner
    and general contractor to instruct firestop contractor to make
    appropriate repairs and charge to appropriate trades.

## 3. 10 PROTECTION

A. Protect installed work during curing period.

B. Protect installed work from damage from construction operations using
substantial barriers if necessary.

C. Repair damaged installed work in accordance with manufacturer's
instructions.

\- END OF SECTION -