Project Number: AW-2271

Contract Number: TW-0663

November 4, 1994

SPECIAL SPECIFICATION

SECTION 08900

[GLAZED CURTAIN WALL]{.underline}

Page

[PART 1 - GENERAL]{.underline}

1.01 Description Of Work 2

1.02 Quality Assurance 3

1.03 System Performance Requirements 3

1.04 Submittals 4

1.05 Warranty 4

PART 2 - PRODUCTS

2.01 Acceptable Manufacturers 5

2.02 Materials and Components 5

2.03 Fabrication 6

2.04 Finishes 6

PART 3 - EXECUTION

3.01 Installation 6

3.02 Cleaning 7

SPECIAL SPECIFICATION

SECTION 08900

[GLAZED CURTAIN WALL]{.underline}

# PART 1 - GENERAL

## 1.01 [DESCRIPTION OF WORK]{.underline}

A. [The extent]{.underline} of glazed curtain wall work is indicated on
the Drawings and schedules.

B. [Types]{.underline} of glazed curtain walls required include the
following:

[Metal stick-framed systems]{.underline} with flush glass appearance.

[Primary System Expanse:]{.underline} Single-story and multi-bay.

C. [Primary components]{.underline} of glazed curtain wall work include
the following, including work cross-referenced to other specification
sections for requirements:

1\. [Aluminum]{.underline} curtain wall framing system.

2\. [Glass and glazing work]{.underline} in curtain wall and window
units in the curtain wall system; refer to Division 8, Section \"Glass
And Glazing\".

3\. [Column covers]{.underline}, soffits, sills, trim and similar border
and filler items indicated as integral components of the curtain wall
system.

4\. [Joint sealer work]{.underline} that is associated with components
of the curtain wall system; refer to Division 7, Section \"Sealants\".

5\. [Anchorages]{.underline}, shims, fasteners, accessories and support
brackets for components of the curtain wall system.

6\. [Insulation and firestopping]{.underline} indicated in direct
relation with curtain wall system.

D. [Related Sections]{.underline}: Refer to the following sections for
related work:

1\. Division 6, Section \"Rough Carpentry\"

2\. Division 7, Section \"Sealants\"

3\. Division 8, Section \"Glass And Glazing\"

4\. Division 9, Section \"Gypsum Drywall\"

## 1.02 [QUALITY ASSURANCE]{.underline}

A. [Drawings and Specifications:]{.underline} Plans, elevations and
details shown on the Drawings and requirements indicated in
specifications indicate spacing of members, sizes of components as well
as profile, dimensional requirements, materials, fabrication and similar
design requirements for glazed curtain wall work. Minor deviations from
these requirements will be accepted in order to utilize manufacturer\'s
standard products when, in the Sandia Designated Representative\'s sole
judgment, such deviations do not materially detract from the design
concept or intended performance.

B. [Single Source Responsibility:]{.underline} Provide glazed curtain
wall system for the project that is the product of a single
manufacturer.

C. [Contractor Qualifications:]{.underline} Glazed curtain wall shall be
installed by a firm with not less than 15 successful projects in the
erection of stock curtain wall systems similar to systems required for
this project.

D. [Standards:]{.underline} Comply with applicable provisions of the
\"Metal Curtain Wall, Window, Store Front and Entrance Guide
Specifications Manual\" by AAMA.

E. [All materials used]{.underline} shall not contain asbestos fibers.

## 1.03 [SYSTEM PERFORMANCE REQUIREMENTS]{.underline}

A. [Load-bearing Strength (Wind Resistance):]{.underline} Provide the
manufacturer\'s stock system, adapted to the application indicated,
which has been tested in accordance with ASTM E 330 to withstand at
least a uniform pressure of 33 psf inward and 33 psf outward.

B. [Deflections and Thermal Movements:]{.underline} Provide
manufacturer\'s stock products and system which are capable of
withstanding building movements and weather exposures including wind
loading, and which are capable of performing within the following
limitations:

1\. [Normal to wall]{.underline} deflection not exceeding 1/200 of the
span, except 1/300 for glass supporting members.

2\. [Parallel-to-wall]{.underline} deflections not exceeding 75 percent
of glass edge clearances.

3\. [Thermal movements]{.underline} resulting from an ambient
temperature range of 120 deg. F (67 deg. C), which may cause curtain
wall framing range of 180 deg. F (100 deg. C).

C. [Leakage Resistance, Water and Air:]{.underline} Provide the
manufacturer\'s standard curtain wall system that has been tested to
demonstrate permanent resistance to leakages as follows with a test
pressure differential of 20 percent of design loading (excluding
operable window or door edge joints, if any):

1\. [Air Leakage:]{.underline} Not more than 0.06 cfm per sq. ft. of
wall area when tested with a test pressure of 6.24 psf in accordance
with ASTM E 283.

2\. [Water Penetration:]{.underline} No uncontrolled leakage when tested
at 10 psf in accordance with ASTM E 331.

D. [Condensation Requirements:]{.underline} Provide manufacturer\'s
standard or improved thermal-break construction, tested and certified by
the manufacturer, in accordance with AAMA 1502.7, with 0 deg. F (-18
deg. C) outside and 25 percent relative humidity inside, to provide
condensation resistance factor (CRF) of at least 62.

E. [\"U\" Value:]{.underline} Per ASTM C-236 to be 0.56 BTU/Hr./Sq.Ft.
minimum.

## 1.04 [SUBMITTALS]{.underline}

A. [Shop Drawings:]{.underline} Submit shop drawings showing adaptation
of the manufacturer\'s standard system to the project; include typical
unit elevations at 1/2\" scale and details at 3\" scale, to show
dimensioning, member profiles, anchorage system, interface with building
construction, and glazing. Indicate the section moduli of
wind-load-bearing members, and calculations of stresses and deflections
for performance under design loading. Show clearly where and how the
manufacturer\'s system deviates from contract drawings and these
specifications.

B. [Product Data:]{.underline} Submit manufacturer\'s specifications for
materials and fabrication of curtain wall, and instructions and
recommendations for installation and maintenance. Include certified test
reports showing compliance with requirements where a test method is
indicated.

C. [Samples:]{.underline} Submit samples of each type and color of
aluminum finish, on 12\" long sections of extrusions or formed shapes
and on 6\" squares of sheet or plate. Include 2 or more samples in each
set, showing near-limits of variations, if any, in color and texture of
finish.

[Sandia Designated Representative (SDR)]{.underline} reserves the right
to require fabrication samples showing the following:

Prime members.

Joinery.

Anchorage.

Expansion provisions.

Glazing and similar details.

Profiles.

Intersections.

## 1.05 [WARRANTY]{.underline}

Provide a written warranty, signed by Contractor and Installer, agreeing
to repair or replace defective materials and workmanship of glazed
curtain wall work during the 5-year warranty period (see primary
components listing in this section). \"Defective\" is defined to include
the following:

Abnormal deterioration.

Abnormal aging.

Abnormal weathering.

Glass breakage due to component or installation defect.

Failure of operational parts to function normally.

Deterioration or discoloration of finishes.

Failure of the system to meet performance requirements (including
structural and infiltration).

# PART 2 - PRODUCTS

## 2.01 [ACCEPTABLE MANUFACTURERS]{.underline}

[Available Manufacturers:]{.underline} One of the following or an
approved equal.

Kawneer Company, Inc.; Norcross, GA

PPG Industries, Inc.; Pittsburgh, PA

Tubelite Architectural Products, Reed City, MI

Drawings are based upon Kawneer FA-SET S.S.G (thermal) with 1\" glazing.

## 2.02 [MATERIALS AND COMPONENTS]{.underline}

A. [Aluminum Members:]{.underline} Provide members such as extrusions,
formed members, sheet and plate, of the alloy, temper and thickness
recommended by the manufacturer to comply with the requirements of ASTM
B 221 for extrusions, and ASTM B 209 for sheet or plate.

B. [Glazing sealants]{.underline} and fillers are specified in \"Glass
and Glazing\" section, and are to be as recommended by the curtain wall
manufacturer.

C. [Glass]{.underline} is specified in \"Glass and Glazing\" section.
Provide 1\" nominal burglar resistant insulating glass. Glazing assembly
shall be approved for use with the curtain wall framing assembly by
curtain wall manufacturer.

D. [Framing System Gaskets and Joint Fillers:]{.underline} Provide the
curtain wall manufacturer\'s standard permanent type framing system
gaskets and joint fillers, depending on joint movement and sealing
requirements, such as sliding joints, compression joint translation, or
non-moving joints.

E. [Sealants and joint fillers]{.underline} are specified in
\"Sealants\" section, both for joints within the curtain wall
construction and for joints at the interface of curtain wall
construction with other work. Comply with curtain wall manufacturer\'s
requirements.

F. [Brackets and Reinforcements:]{.underline} Provide the
manufacturer\'s standard high-strength aluminum units. Provide
non-staining, non-ferrous and compatible shims for installation and
alignment of curtain wall work.

G. [Trim]{.underline}: Provide matching mullion covers, column covers
and trim with finish to match mullions and frames as shown on the
drawings. Or, if not shown on the drawings, provide trim where all
curtain wall members abut other materials.

H. [Concealed Flashing:]{.underline} Provide dead-soft 26 gage stainless
steel concealed flashing, treated for and of type selected for
compatibility by the manufacturer.

I. [Fasteners and Accessories:]{.underline} Provide the manufacturer\'s
standard non-corrosive fasteners and accessories that are compatible
with materials used in the framing system and with exposed portions that
match finish of the curtain wall system. Where movement should be
expected, provide slip-joint linings of sheets, pads, shims, or washers
of fluorocarbon resin or a similar material recommended by the
manufacturer.

1\. Where fasteners anchor into aluminum less than 0.125\" thick,
provide non-corrosive pressed-in splined grommet nuts or other type
reinforcement to receive fastener threads.

2\. Provide not less than three fasteners into structural members at
every jamb.

J. [Firestopping Materials:]{.underline} Provide mineral fiber
insulation or other non-combustible materials of the nature indicated,
suitable for permanent placement and complying with governing
regulations.

## 2.03 [FABRICATION]{.underline}

A. [General:]{.underline} Fabricate curtain wall system at the
manufacturer\'s shop to the fullest extent possible, and prior to
application of finishes. Unless otherwise indicated, provide concealed
fasteners. Make provisions to weep penetrating water and condensation to
the exterior.

B. [The framing system shall provide]{.underline} a flush glass
appearance to the outside with no vertical exterior stops. Top and
bottom glass edge shall be retained by the head and sill members.
Kawneer FA-SET S.S.G. or approved equal shall be used. Perimeter framing
members shall have a face dimension of 2\" (57.2). Overall depth shall
be 5-1/4\" (133.4) for 1\" system. Entrance framing members shall be
compatible with glass framing in appearance. All single acting entrance
frames shall include positive barrier weathering.

## 2.04 [FINISHES]{.underline}

[Special Coating]{.underline}: An Architectural Class I Color Anodic
Coating conforming with Aluminum Association Standard AA-M12C22A42/44,
color to match (Select Kawneer #40 Dark Bronze).

# PART 3 - EXECUTION

## 3.01 [INSTALLATION]{.underline}

A. [Comply with manufacturer\'s instructions]{.underline} for
protection, handling and installation of fabricated curtain wall
components, with particular care and attention in preservation of
applied finishes. Discard or remove and replace damaged members.

B. [Anchor components securely in place]{.underline} in the manner
indicated, shimming and allowing for movement resulting from changes in
thermal conditions. Provide separators and isolators to prevent
corrosion and electrolytic deterioration and to prevent \"freeze-up\" of
moving joints.

C. [Firestopping:]{.underline} Clean debris from behind curtain wall
during erection and provide temporary closures to prevent accumulation
of debris. Install firestopping to comply with governing regulations,
and AAMA TIR-A3. Install firestopping with securely anchored metal
flanges or equivalent provisions to prevent dislocation.

D. [Glazing]{.underline} is specified in \"Glass and Glazing\" sections.

E. [Sealants and joint fillers]{.underline} are specified in
\"Sealants\" section.

F. [Erection Tolerances:]{.underline} Install curtain wall components
plumb, level, accurately aligned and accurately located in reference to
column lines and floor levels. Adjust work to conform to the following
tolerances:

1\. [Plumb:]{.underline} 1/8\" in 10\'; 1/4\" in 40\'.

2\. [Level:]{.underline} 1/8\" in 20\'; 1/4\" in 40\'.

3\. [Alignment:]{.underline} Limit offset of member alignment to 1/16\"
where surfaces are flush or less than 1/2\" out of flush, and separated
by less than 2\" by a reveal or protruding work; otherwise limit offsets
to 1/8\".

4\. [Location:]{.underline} 3/8\" maximum deviation from the measured
theoretical location of any member at any location.

## 3.02 [CLEANING]{.underline}

A. [Protection]{.underline}: After installation, the General Contractor
shall adequately protect exposed portions of aluminum surfaces from
damage by grinding and polishing compounds, plaster, lime, acid, cement,
or other contaminants. The General Contractor shall be responsible for
final cleaning.

B. [Clean the completed system]{.underline}, inside and out, promptly
after erection and installation of glass and sealants, allowing for
nominal curing of liquid sealants. The curtain wall installer shall
advise the Contractor of proper and adequate procedures for protection
and cleaning during the remainder of the construction period, so that
the system will be without damage and deterioration at the time of
acceptance.

C. [At the time of final acceptance]{.underline}, clean curtain wall
system thoroughly and polish glass. Demonstrate proper cleaning methods
and materials to the SNL maintenance personnel.

END OF SECTION