HomeMy WebLinkAbout07 81 00 - Applied FireproofingBEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 1 of 8
NOVEMBER 2, 2012
SECTION 078100 APPLIED FIREPROOFING
PART 1 GENERAL
1.1 DEFINITIONS
A. SFRM: Sprayed fire&resistive material.
1.2 SUBMITTALS
A. Product Data: For each type of product indicated.
B. Product Certificates: For each type of SFRM, signed by product
manufacturer.
C. Qualification Data: For Installer, manufacturer and testing agency.
D. Compatibility and Adhesion Test Reports: From SFRM manufacturer
indicating the following:
1. Materials have been tested for bond with substrates.
2. Materials have been verified by SFRM manufacturer to be compatible
with existing SFRM, substrate primers and coatings.
3. Interpretation of test results and written recommendations for primers
and substrate preparation needed for adhesion.
E. Product Test Reports: Based on evaluation of comprehensive tests
performed by a qualified testing agency, for proposed SFRM.
F. Research/Evaluation Reports: For SFRM.
G. Field quality&control test reports.
H. Warranties: Special warranties specified in this Section.
1.3 QUALITY ASSURANCE
A. Installer Qualifications: A firm or individual certified, licensed, or otherwise
qualified by SFRM manufacturer as experienced and with sufficient trained
staff to install manufacturer's products according to specified requirements.
A manufacturer's willingness to sell its SFRM to Contractor or to an installer
engaged by Contractor does not in itself confer qualification on the buyer.
B. Source Limitations: Obtain SFRM through one source from a single
manufacturer.
C. SFRM Testing: By a qualified testing and inspecting agency engaged by
Contractor or manufacturer to test for compliance with specified
requirements for performance and test methods.
1. SFRMs are randomly selected for testing from bags bearing the
applicable classification marking of UL or another testing and
inspecting agency acceptable to authorities having jurisdiction.
BEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 2 of 8
NOVEMBER 2, 2012
2. Testing is performed on specimens of SFRMs that comply with
laboratory testing requirements specified in Part 2 and are otherwise
identical to installed fire&resistive materials, including application of
accelerant, sealers, topcoats, tamping, troweling, rolling, and water
overspray, if any of these are used in final application.
3. Testing is performed on specimens whose application the
independent testing and inspecting agency witnessed during
preparation and conditioning. Include in test reports a full description
of preparation and conditioning of laboratory test specimens.
D. Compatibility and Adhesion Testing: Engage a qualified testing and
inspecting agency to test for compliance with requirements for specified
performance and test methods.
1. Test for bond per ASTM E 736 and requirements in UL's "Fire
Resistance Directory" for coating materials. Provide bond strength
indicated in referenced fire&resistance design, but not less than
minimum specified in Part 2.
2. Verify that manufacturer, through its own laboratory testing or field
experience, has not found primers or coatings to be incompatible with
SFRM.
E. Fire&Test&Response Characteristics: Provide SFRM with the fire&test&
response characteristics indicated, as determined by testing identical
products per test method indicated below by UL or another testing and
inspecting agency acceptable to authorities having jurisdiction. Identify
bags containing SFRM with appropriate markings of applicable testing and
inspecting agency.
1. Fire&Resistance Ratings: Indicated by design designations from UL's
"Fire Resistance Directory" or from the listings of another testing and
inspecting agency acceptable to authorities having jurisdiction, for
SFRM serving as direct&applied protection tested per ASTM E 119.
2. Surface&Burning Characteristics: ASTM E 84.
F. Provide products containing no detectable asbestos as determined
according to the method specified in 40 CFR 763, Subpart E, Appendix E,
Section 1, "Polarized Light Microscopy."
1.4 DELIVERY, STORAGE, AND HANDLING
A. Deliver products to Project site in original, unopened packages with intact
and legible manufacturers' labels identifying product and manufacturer,
date of manufacture, shelf life if applicable, and fire&resistance ratings
applicable to Project.
B. Use materials with limited shelf life within period indicated. Remove from
Project site and discard materials whose shelf life has expired.
C. Store materials inside, under cover, and aboveground; keep dry until ready
for use. Remove from Project site and discard wet or deteriorated
materials.
BEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 3 of 8
NOVEMBER 2, 2012
1.5 COORDINATION
A. Sequence and coordinate application of SFRM with other related work
specified in other Sections to comply with the following requirements:
1. Provide temporary enclosure as required to confine spraying
operations and protect the environment.
2. Avoid unnecessary exposure of fire&resistive material to abrasion and
other damage likely to occur during construction operations
subsequent to its application.
3. Do not begin applying fire&resistive material until clips, hangers,
supports, sleeves, and other items penetrating fire protection are in
place.
1.6 WARRANTY
A. Special Warranty: Manufacturer's standard form, signed by Contractor and
by Installer, in which manufacturer agrees to repair or replace SFRMs that
fail in materials or workmanship within specified warranty period.
1. Failures include, but are not limited to, the following:
a. Cracking, flaking, spalling, or eroding in excess of specified
requirements; peeling; or delaminating of SFRM from substrates.
b. Not covered under the warranty are failures due to damage by
occupants and Owner's maintenance personnel, exposure to
environmental conditions other than those investigated and
approved during fire&response testing, and other causes not
reasonably foreseeable under conditions of normal use.
2. Warranty Period: Two years from date of Substantial Completion.
PART 2 PRODUCTS
2.1 CONCEALED SFRM
A. Material Composition: Manufacturer's standard product, or either of the
following:
1. Concealed Cementitious SFRM: Factory&mixed, dry formulation of
gypsum or portland cement binders, additives, and lightweight mineral
or synthetic aggregates mixed with water at Project site to form a
slurry or mortar for conveyance and application.
2. Concealed Sprayed&Fiber Fire&Resistive Material: Factory&mixed, dry
formulation of inorganic binders, mineral fibers, fillers, and additives
conveyed in a dry state by pneumatic equipment and mixed with
water at spray nozzle to form a damp, as&applied product.
B. Physical Properties: Minimum values, unless otherwise indicated, or higher
values required to attain designated fire&resistance ratings, measured per
standard test methods referenced with each property as follows:
1. Dry Density: 15 lb/cu. ft. (240 kg/cu. m) for average and individual
densities, or greater if required to attain fire&resistance ratings
indicated, per ASTM E 605 or AWCI Technical Manual 12&A,
Section 5.4.5, "Displacement Method."
BEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 4 of 8
NOVEMBER 2, 2012
2. Thickness: Minimum average thickness required for fire&resistance
design indicated according to the following criteria, but not less than
0.375 inch (9 mm), per ASTM E 605:
a. Where the referenced fire&resistance design lists a thickness of 1
inch (25 mm) or more, the minimum allowable individual thickness
of SFRM is the design thickness minus 0.25 inch (6 mm).
b. Where the referenced fire&resistance design lists a thickness of
less than 1 inch (25 mm) but more than 0.375 inch (9 mm), the
minimum allowable individual thickness of SFRM is the greater of
0.375 inch (9 mm) or 75 percent of the design thickness.
c. No reduction in average thickness is permitted for those fire&
resistance designs whose fire&resistance ratings were established
at densities of less than 15 lb/cu. ft. (240 kg/cu. m).
3. Bond Strength: 150 lbf/sq. ft. (7.2 kPa) minimum per ASTM E 736
based on laboratory testing of 0.75&inch (19&mm) minimum thickness
of SFRM.
4. Compressive Strength: 5.21 lbf/sq. in. (35.9 kPa) minimum per
ASTM E 761. Minimum thickness of SFRM tested shall be 0.75 inch
(19 mm) and minimum dry density shall be as specified but not less
than 15 lb/cu. ft. (240 kg/cu. m).
5. Corrosion Resistance: No evidence of corrosion per ASTM E 937.
6. Deflection: No cracking, spalling, or delamination per ASTM E 759.
7. Effect of Impact on Bonding: No cracking, spalling, or delamination
per ASTM E 760.
8. Air Erosion: Maximum weight loss of 0.025 g/sq. ft. (0.270 g/sq. m) in
24 hours per ASTM E 859. For laboratory tests, minimum thickness
of SFRM is 0.75 inch (19 mm), maximum dry density is 15 lb/cu. ft.
(240 kg/cu. m), test specimens are not prepurged by mechanically
induced air velocities, and tests are terminated after 24 hours.
9. Fire&Test&Response Characteristics: Provide SFRM with the following
surface&burning characteristics as determined by testing identical
products per ASTM E 84 by UL or another testing and inspecting
agency acceptable to authorities having jurisdiction:
a. Flame&Spread Index: 10 or less.
b. Smoke&Developed Index: 0.
10. Fungal Resistance: No observed growth on specimens per
ASTM G 21.
C. Compatability: Provide a product tested by manufacturer for compatability
with exsting SFRM.
2.2 AUXILIARY FIRE&RESISTIVE MATERIALS
A. General: Provide auxiliary fire&resistive materials that are compatible with
SFRM and substrates and are approved by UL or another testing and
inspecting agency acceptable to authorities having jurisdiction for use in
fire&resistance designs indicated.
BEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 5 of 8
NOVEMBER 2, 2012
B. Substrate Primers: For use on each substrate and with each sprayed fire&
resistive product, provide primer that complies with one or more of the
following requirements:
1. Primer's bond strength complies with requirements specified in UL's
"Fire Resistance Directory" for coating materials based on a series of
bond tests per ASTM E 736.
2. Primer is identical to those used in assemblies tested for fire&test&
response characteristics of SFRM per ASTM E 119 by UL or another
testing and inspecting agency acceptable to authorities having
jurisdiction.
C. Adhesive for Bonding Fire&Resistive Material: Product approved by
manufacturer of SFRM.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine substrates, areas, and conditions, with Installer present, for
compliance with requirements for substrates and other conditions affecting
performance of work. A substrate is in satisfactory condition if it complies
with the following:
1. Substrates comply with requirements in the Section where the
substrate and related materials and construction are specified.
2. Substrates are free of dirt, oil, grease, release agents, rolling
compounds, mill scale, loose scale, incompatible primers,
incompatible paints, incompatible encapsulants, or other foreign
substances capable of impairing bond of fire&resistive materials with
substrates under conditions of normal use or fire exposure.
3. Objects penetrating fire&resistive material, including clips, hangers,
support sleeves, and similar items, are securely attached to
substrates.
4. Substrates are not obstructed by ducts, piping, equipment, and other
suspended construction that will interfere with applying fire&resistive
material.
B. Verify that roof construction, installation of roof&top HVAC equipment, and
other related work are completed.
C. Conduct tests according to fire&resistive material manufacturer's written
recommendations to verify that substrates are free of substances capable
of interfering with bond.
D. Proceed with installation only after unsatisfactory conditions have been
corrected.
3.2 PREPARATION
A. Cover other work subject to damage from fallout or overspray of fire&
resistive materials during application.
BEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 6 of 8
NOVEMBER 2, 2012
B. Clean substrates of substances that could impair bond of fire&resistive
material, including dirt, oil, grease, release agents, rolling compounds, mill
scale, loose scale, and incompatible primers, paints, and encapsulants.
C. Prime substrates where recommended in writing by SFRM manufacturer
unless compatible shop primer has been applied and is in satisfactory
condition to receive SFRM.
D. For exposed applications, repair substrates to remove surface
imperfections that could affect uniformity of texture and thickness in finished
surface of SFRM. Remove minor projections and fill voids that would
telegraph through fire&resistive products after application.
3.3 APPLICATION, GENERAL
A. Comply with fire&resistive material manufacturer's written instructions for
mixing materials, application procedures, and types of equipment used to
mix, convey, and spray on fire&resistive material, as applicable to particular
conditions of installation and as required to achieve fire&resistance ratings
indicated.
B. Apply SFRM that is identical to products tested as specified in Part 1
"Quality Assurance" Article and substantiated by test reports, with respect
to rate of application, accelerator use, sealers, topcoats, tamping, troweling,
water overspray, or other materials and procedures affecting test results.
C. Coat substrates with bonding adhesive before applying fire&resistive
material where required to achieve fire&resistance rating or as
recommended in writing by SFRM manufacturer for material and application
indicated.
D. Extend fire&resistive material in full thickness over entire area of each
substrate to be protected. Unless otherwise recommended in writing by
SFRM manufacturer, install body of fire&resistive covering in a single
course.
E. Spray apply fire&resistive materials to maximum extent possible. Following
the spraying operation in each area, complete the coverage by trowel
application or other placement method recommended in writing by SFRM
manufacturer.
3.4 APPLICATION, CONCEALED SFRM
A. Apply concealed SFRM in thicknesses and densities not less than those
required to achieve fire&resistance ratings designated for each condition,
but apply in greater thicknesses and densities if specified in Part 2
"Concealed SFRM" Article.
B. Apply water overspray to concealed sprayed&fiber fire&resistive material as
required to obtain designated fire&resistance rating[ and where indicated].
BEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 7 of 8
NOVEMBER 2, 2012
C. Cure concealed SFRM according to product manufacturer's written
recommendations.
D. Apply sealer to concealed SFRM[ where indicated].
E. Apply topcoat to concealed SFRM[ where indicated].
3.5 FIELD QUALITY CONTROL
A. Testing Agency: Engage a qualified testing agency to perform tests and
inspections and prepare test reports.
1. Testing and inspecting agency will interpret tests and state in each
report whether tested work complies with or deviates from
requirements.
B. Tests and Inspections: Testing and inspecting of completed applications of
SFRM shall take place in successive stages, in areas of extent and using
methods as follows. Do not proceed with application of SFRM for the next
area until test results for previously completed applications of SFRM show
compliance with requirements. Tested values must equal or exceed values
indicated and required for approved fire&resistance design.
1. Thickness for Floor, Roof, and Wall Assemblies: For each 1000&sq. ft.
(93&sq. m) area, or partial area, on each floor, from the average of 4
measurements from a 144&sq. in. (0.093&sq. m) sample area, with
sample width of not less than 6 inches (152 mm) per ASTM E 605.
2. Thickness for Structural Frame Members: From a sample of 25
percent of structural members per floor, taking 9 measurements at a
single cross section for structural frame beams or girders, 7
measurements of a single cross section for joists and trusses, and 12
measurements of a single cross section for columns per ASTM E 605.
3. Density for Floors, Roofs, Walls, and Structural Frame Members: At
frequency and from sample size indicated for determining thickness of
each type of construction and structural framing member, per
ASTM E 605 or AWCI Technical Manual 12&A, Section 5.4.5,
"Displacement Method."
4. Bond Strength for Floors, Roofs, Walls, and Structural Framing
Members: For each 10,000&sq. ft. (929 sq. m) area, or partial area, on
each floor, cohesion and adhesion from one sample of size indicated
for determining thickness of each type of construction and structural
framing member, per ASTM E 736.
a. Field test SFRM that is applied to flanges of wide&flange,
structural&steel members on surfaces matching those that will
exist for remainder of steel receiving fire&resistive material.
b. If surfaces of structural steel receiving SFRM are primed or
otherwise painted for coating materials, perform series of bond
tests specified in UL's "Fire Resistance Directory." Provide bond
strength indicated in referenced UL fire&resistance criteria, but not
less than 150 lbf/sq. ft. (7.2 kPa) minimum per ASTM E 736.
BEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP APPLIED FIREPROOFING
STANDARD SPECIFICATIONS 07 81 00 – PAGE 8 of 8
NOVEMBER 2, 2012
5. If testing finds applications of SFRM are not in compliance with
requirements, testing and inspecting agency will perform additional
random testing to determine extent of noncompliance.
C. Remove and replace applications of SFRM that do not pass tests and
inspections for cohesion and adhesion, for density, or for both and retest as
specified above.
D. Apply additional SFRM, per manufacturer's written instructions, where test
results indicate that thickness does not comply with specified requirements,
and retest as specified above.
3.6 CLEANING, PROTECTING, AND REPAIR
A. Cleaning: Immediately after completing spraying operations in each
containable area of Project, remove material overspray and fallout from
surfaces of other construction and clean exposed surfaces to remove
evidence of soiling.
B. Protect SFRM, according to advice of product manufacturer and Installer,
from damage resulting from construction operations or other causes so fire
protection will be without damage or deterioration at time of Substantial
Completion.
C. Coordinate application of SFRM with other construction to minimize need to
cut or remove fire protection. As installation of other construction proceeds,
inspect SFRM and patch any damaged or removed areas.
D. Repair or replace work that has not successfully protected steel.
END OF SECTION 078100