USACE / NAVFAC / AFCESA / NASA UFGS-09 66 16 (April 2006)
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Preparing Activity: USACE Replacing without change
UFGS-09421 (August 2004)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated January 2009
SECTION 09 66 16
TERRAZZO TILE
04/06
NOTE: This guide specification covers the requirements for cast marble or granite
terrazzo tile of various sizes and thicknesses).
Edit this guide specification for project specific requirements by adding, deleting,
or revising text. For bracketed items, choose applicable items(s) or insert
appropriate information.
Remove information and requirements not required in respective project, whether
or not brackets are present.
Comments and suggestions on this guide specification are welcome and should
be directed to the technical proponent of the specification. A listing of technical
proponents, including their organization designation and telephone number, is
on the Internet.
Recommended changes to a UFGS should be submitted as a Criteria Change Request
(CCR).
This guide specification includes tailoring options for resilient base, terrazzo
base, and metal edge strips. Selection or deselection of a tailoring option
will include or exclude that option in the section, but editing the resulting
section to fit the project is still required.
PART 1 GENERAL
1.1 REFERENCES
NOTE: This paragraph is used to list the publications cited in the text of
the guide specification. The publications are referred to in the text by basic
designation only and listed in this paragraph by organization, designation,
date, and title.
Use the Reference Wizard's Check Reference feature when you add a RID outside
of the Section's Reference Article to automatically place the reference in the
Reference Article. Also use the Reference Wizard's Check Reference feature
to update the issue dates.
References not used in the text will automatically be deleted from this section
of the project specification when you choose to reconcile references in the
publish print process.
The publications listed below form a part of this specification to the extent referenced. The publications are
referred to within the text by the basic designation only.
[ASTM INTERNATIONAL (ASTM)ASTM C 109/C 109M(2008) Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or (50-mm) Cube Specimens)ASTM C 501(1984; R 2002) Relative Resistance to Wear of Unglazed Ceramic Tile by the Taber AbraserASTM C 97(2002; R 2008) Absorption and Bulk Specific Gravity of Dimension StoneASTM D 2047(2004) Static Coefficient of Friction of Polish-Coated Floor Surfaces as Measured by the James MachineASTM E 648(2008a) Standard Test Method for Critical Radiant Flux of Floor-Covering Systems Using a Radiant Heat Energy SourceASTM E 84(2008a) Standard Test Method for Surface Burning Characteristics of Building Materials]1.2 GENERAL REQUIREMENTS
1.2.1 Standard Products
Materials shall be the standard products of a manufacturer regularly engaged in the manufacture of the material
and shall essentially duplicate products that have been in satisfactory use at least 2 years prior to bid opening.
1.2.2 Verification of Dimensions
The Contractor shall become familiar with details of the work, verify dimensions in the field, and shall advise
the Contracting Officer of any discrepancy before performing the work.
1.3 SUBMITTALS
NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL
PROCEDURES and edit the following list to reflect only the submittals required
for the project. Submittals should be kept to the minimum required for adequate
quality control.
A “G” following a submittal item indicates that the submittal requires Government
approval. Some submittals are already marked with a “G”. Only delete an existing
“G” if the submittal item is not complex and can be reviewed through the Contractor’s
Quality Control system. Only add a “G” if the submittal is sufficiently important
or complex in context of the project.
For submittals requiring Government approval on Army projects, a code of up
to three characters within the submittal tags may be used following the "G"
designation to indicate the approving authority. Codes for Army projects using
the Resident Management System (RMS) are: "AE" for Architect-Engineer; "DO"
for District Office (Engineering Division or other organization in the District
Office); "AO" for Area Office; "RO" for Resident Office; and "PO" for Project
Office. Codes following the "G" typically are not used for Navy, Air Force,
and NASA projects.
Choose the first bracketed item for Navy, Air Force and NASA projects, or choose
the second bracketed item for Army projects.
Government approval is required for submittals with a "G" designation; submittals not having a "G" designation
are for [Contractor Quality Control approval.][information only. When used, a designation following the "G"
designation identifies the office that will review the submittal for the Government.] The following shall be
submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:
SD-02 Shop Drawings
Terrazzo Tile[; G][; G, [_____]]
Drawings indicating pattern, size, style, and color of tiles.
SD-03 Product Data
Installation
The manufacturer's printed installation instructions for the conditions indicated.
SD-04 Samples
Terrazzo Tile
Resilient Base
Terrazzo Base/Strips
Metal Edge Strips
Two 150 by 150 mm 6 by 6 inch minimum samples of each color and pattern of terrazzo tile to
be used, one 150 mm 6 inch long sample of metal edge strip and two 100 mm 4 inch long samples
of each type and color of trim pieces and base.
SD-07 Certificates
Terrazzo Tile
Adhesive
Resilient Base
Certificates indicating that the materials conform to the specified requirements and flooring
manufacturer's approval of underlayment, adhesive, and cleaners.
SD-10 Operation and Maintenance Data
Manufacturer's Maintenance Instructions
[Six] [_____] copies of the manufacturer's maintenance literature.
1.4 INSTALLER QUALIFICATIONS
Installer shall possess, to the satisfaction of the Contracting Officer, the technical qualifications, experience,
trained personnel, and facilities to properly install the specified items.
1.5 DELIVERY AND STORAGE
Materials shall be delivered to the jobsite in the manufacturer's original unopened containers marked with the
manufacturer's brand name, color, and pattern. Materials delivered and placed in storage shall be stored to
protect from damage, weather, humidity and temperature variation, dirt and dust, or other contaminants. Temperature
of storage area shall not be lower than 10 degrees C 50 degrees F or higher than 32 degrees C 90 degrees F.
1.6 SITE CONDITIONS
Tiles shall not be installed until other work that could cause damage to the finished flooring has been completed.
A temperature of not less than 21 degrees C 70 degrees F shall be maintained in all areas where tile is to be
installed for a period of not less than [48] [_____] hours before, during and after laying of tiles. Tiles shall
be brought into installation areas and allowed to condition at not less than 21 degrees C 70 degrees F for a
period of [48] [_____] hours prior to installation. After installation of tiles, a minimum temperature of 13
degrees C 55 degrees F shall be maintained.
1.7 WARRANTY
Manufacturer's standard performance guarantees or warranties that extend beyond a one year period shall be provided.
PART 2 PRODUCTS
2.1 TERRAZZO TILE
NOTE: Designer will select the chip requirements and also determine whether
flexible or rigid resin is required or either give the Contractor the option.
Coordinate with data of manufacturers of terrazzo tile when determining the
patterns, styles, sizes and thicknesses of tiles.
Terrazzo tile shall be of the indicated colors and shall consist of [marble] [or] [granite] chips embedded in
a [flexible] [or] [rigid] thermoset resin matrix. Tiles shall be [5] [_____] mm [3/16] [_____] inch thick and
nominal [300 by 300] [_____] mm [12 by 12] [_____] inches. Tiles shall have a [polished] [polished and [honed]
[textured]] [honed] [textured] finish with uniform color distribution of chips. [Marble chips shall be graded
to [16] [6] mm [5/8] [1/4] inch maximum size.] [Granite chips shall be manufacturer's standard gradation.] Tile
shall have the following properties:
TERRAZZO TILE PROPERTIES
PROPERTY TEST METHOD VALUE
Compressive Strength ASTM C 109/C 109M 20 MPa 3000 psi
minimum
Water Absorption ASTM C 97 0.7 percent
maximum
Abrasive Wear ASTM C 501 Index 28
Coefficient of Friction ASTM D 2047 0.5 wet
Flame Spread ASTM E 84 Class A
Critical Radiant ASTM E 648 Class I
Flux
2.2 ADHESIVE
Adhesive shall be flooring and resilient base manufacturer's standard product or a product recommended by the
manufacturer.
2.3 RESILIENT BASE
Resilient base shall be [[rubber] [or] [vinyl] type, coved style.] [butt toe cove installed with 3 mm 1/8 inch
thick flooring.] Base shall be 100 mm 4 inches high and a minimum 3 mm 1/8 inch thick. [Preformed outside]
[Job formed] corners shall be furnished.
2.4 TERRAZZO BASE/STRIPS
Terrazzo base/strips shall be colors as indicated, shall meet the requirements of paragraph TERRAZZO TILE and
shall be of the manufacturer's standard product. Base/strips shall be [10] [20] mm thick by [_____] mm wide
by [_____] mm long [3/8] [3/4] inch thick by [_____] inch wide by [_____] inch long. Base/strips shall a [polished]
[honed] [textured] finish.
2.5 METAL EDGE STRIPS
Metal edge strips shall be extruded aluminum, butt type, approximately 40 mm 1-1/2 inches wide with thickness
to set top surface flush with top of tile and with bevel at exposed edge. Edge strips shall have countersunk
holes near each end and spaced not more than 200 mm 8 inches on center for securement.
2.6 COLOR
Color shall be [in accordance with Section 09 06 90 COLOR SCHEDULE] [_____].
PART 3 EXECUTION
3.1 GENERAL
Flooring and base shall be provided on floor surfaces and walls where indicated. Resilient base required over
metal base of casework shall be as specified in Section [_____]. Except as required for installation of new
tile, traffic shall be kept off new tile for at least [24] [_____] hours after installation.
3.2 SUBSTRATE PREPARATION
Holes and cracks shall be filled with mortar. Floors shall be free of curing compounds, grease, dirt, loose
particles and other foreign matter that would prevent adhesion. Projecting irregularities shall be chipped or
ground smooth. Depressions shall be filled and uneven surfaces leveled. Subfloors shall then be rinsed and
allowed to dry prior to applying adhesive.
3.3 INSTALLATION
3.3.1 Tile
Tile shall be installed in accordance with the manufacturer's approved installation instructions, except as specified
herein. Tile shall be layed symmetrical about center lines of rooms or areas. Joints shall be tight, inconspicuous
as possible, and in alignment. Tile shall be cut to fit snugly at pipes and other vertical surfaces. Joints
at pipes shall be sealed with adhesive. Remove spots or smears of adhesive immediately. Entire surface of finished
tile floor shall be smooth, straight, and free from bleeding adhesive, buckles, waves, or projecting tile edges
upon completion. Bleeding of adhesive on finished floors is cause for rejection by the Contracting Officer.
Damaged or rejected tiles shall be removed and replaced.
3.3.2 Metal Edge Strips
Edge strips shall be secured with No. 10 aluminum alloy, counter-sunk, flathead machine screws with expansion
sleeves. Exposed edges of tile shall be provided with one-piece metal edge strips.
3.3.3 Terrazzo Base/Strips
Terrazzo base/strips shall be continuous and adhesively applied. Joints shall be tight and inconspicuous in
same manner as floor tile.
3.3.4 Base
Standard length resilient base of height shown shall be set straight, level and with close flush joints hermetically
sealed by adhesive. Wherever resilient base is used in conjunction with wall covering, adhesive shall be spread
to within 6 mm 1/4 inch from top of base and wall covering shall be cut off at a point 6 mm 1/4 inch below top
of base. Straight base shall be used in rooms or areas that have carpets. All spots or smears of adhesive shall
be immediately removed from exposed surfaces.
3.4 MOISTURE TEST
After concrete floor surfaces have been cleaned, small patches of adhesive to be used shall be spread in several
locations in each room or area to receive tile and allowed to dry overnight. If the adhesive can be peeled easily
from the floor surfaces, the surface is not sufficiently dry. The steps shall be repeated until the adhesive
adheres properly. Tiles shall not be applied until adhesive adheres tightly to the floor.
3.5 CLEANING
Upon completion of the installation and after adhesive has cured, flooring shall be thoroughly cleaned in accordance
with the manufacturer's recommendations.
3.6 PROTECTION
The terrazzo tile work shall be covered and protected from damage until completion of the work of all other trades.
Defects which develop, such as loose, broken, or curled tiles, shall be removed and replaced. The Contractor
shall submit Manufacturer's Maintenance Instructions.