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SECTION 08950
TRANSLUCENT WALL AND ROOF ASSEMBLIES
NOTE ** Skywall Translucent Systems, skylight and wall
systems; optional operable windows.
NOTE **
NOTE ** This section is based on products manufactured by
Skywall Translucent Systems, a Division of Butler
Manufacturing Company, which is located at:
NOTE ** 803 Airport Road
NOTE ** P.O.Box 629
NOTE ** Terrell, TX 75160
NOTE ** Tel: (800) 259-7941
NOTE ** Fax: (972) 551-6129
NOTE **
NOTE ** Skywall makes vaulted, peaked, lean-to, and
pyramidal skylights, as well as translucent wall
systems.
NOTE **
NOTE ** SECTION 08950 - TRANSLUCENT WALL AND ROOF
ASSEMBLIES, Copyright 1997, The Architect's
Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete any products not required for this project.
A. Insulated translucent roof assembly.
B. Insulated translucent wall panel assembly.
C. Operable windows in translucent wall assembly.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 03300 - Cast-In-Place Concrete: Concrete
structural members supporting roof and wall system.
B. Section 05120 - Structural Steel: Steel structural
members supporting roof and wall system.
C. Section 06100 - Rough Carpentry: Wood structural members
supporting roof and wall system.
D. Section 07620 - Sheet Metal Flashing and Trim.
E. Section 07900 - Joint Sealers.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not
actually required by the text of the edited
section.
A. AAMA 605.2 - Specification for High Performance Organic
Coatings on Architectural Extrusions and Panels; American
Architectural Manufacturers Association.
B. AAMA 606.1 - Voluntary Guide Specifications and
Inspection Methods for Integral Color Anodic Finishes for
Architectural Aluminum; American Architectural
Manufacturers Association.
C. AAMA 607.1 - Voluntary Guide Specification and Inspection
Methods for Clear Anodic Finishes for Architectural
Aluminum; American Architectural Manufacturers
Association.
D. ASTM C 236 - Standard Test Method for Steady-State
Thermal Performance of Building Assemblies by Means of a
Guarded Hot Box.
E. ASTM C 297 - Standard Test Method for Tensile Strength of
Flat Sandwich Constructions In Flatwise Plane.
F. ASTM D 635 - Standard Test Method for Rate of Burning
and/or Extent and Time of Burning of Self-Supporting
Plastics in a Horizontal Position.
G. ASTM D 1002 - Standard Test Method for Apparent Shear
Strength of Single-Lap-Joint Adhesively Bonded Metal
Specimens by Tension Loading (Metal-to-Metal).
H. ASTM D 1037 - Standard Test methods for Evaluating
Properties of Wood-Base Fiber and Particle Panel
Materials.
I. ASTM D 1183 - Standard Test Methods for Resistance of
Adhesive to Cyclic Laboratory Aging Conditions.
J. ASTM D 1435 - Standard Practice for Outdoor Weathering of
Plastics.
K. ASTM D 2244 - Standard Test Method for Calculation of
Color Differences From Instrumentally Measured Color
Coordinates.
L. ASTM E 72 - Standard Test Methods of Conducting Strength
Tests of Panels for Building Construction.
M. ASTM E 84 - Standard Test Method for Surface Burning
Characteristics of Building Materials.
N. ASTM E 661 - Standard Test Method for Performance of Wood
and Wood-Based Floor and Roof Sheathing Under
Concentrated Static and Impact Loads.
O. NFRC 100 - Thermal Properties; National Fenestration
Rating Council.
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's printed descriptive
literature, specifications, and installation
instructions; show compliance with specified performance
requirements.
C. Shop Drawings: Specifically prepared for this project.
1. Include layouts, details of framing members, type and
thickness of flashing and closures, interface with
adjacent construction, fasteners and anchors, and
sealers.
2. If field measurements are taken prior to fabrication,
include field measurements on shop drawings, clearly
identified as such.
D. Design Data: Structural calculations of horizontal and
vertical forces generated at structural supports.
NOTE ** Delete the following paragraph if custom colors are
required or if colors are specified.
E. Selection Samples: Finish color charts or range samples,
for initial color selection.
F. Verification Samples: Actual metal samples with color
selected, for verification.
G. Fiberglass Glazing Sheet Samples: Two 12 inch (300 mm)
square samples.
1.5 QUALITY ASSURANCE
NOTE ** Delete the following paragraph if manufacturers
other than that listed will NOT be acceptable.
A. Manufacturer Qualifications: Minimum of 10 years
experience in the fabrication and installation of
products similar to those specified.
B. Installer Qualifications: Manufacturer personnel or
manufacturer's authorized installer.
C. Pre-Installation Meeting: Convene just prior to start of
site operations. Require attendance of installer and
installation personnel. Cover procedures required to
maintain proper working conditions and to coordinate with
other work.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Arrange deliveries to avoid delays but to minimize on-
site storage.
B. Deliver products in labelled protective packages.
C. Deliver, handle, and store in strict compliance with
manufacturer's instructions and recommendations.
D. Store panels on long edge several inches above ground,
using blocking to prevent warping.
E. Cover stored products to protect from damage due to
weather, direct sunlight, excessive temperatures, and
construction operations.
1.7 WARRANTY
A. Provide manufacturer's written warranty for roof/wall
assembly warranting that assembly is free of defects in
material and workmanship. Include repair or replacement
of defective work for 5 years from date of completion.
Defects are defined to include uncontrolled leakage of
water, abnormal aging or deterioration, and failure to
perform as specified.
B. Provide manufacturer's written warranty for fiberglass
glazing sheet warranting that material is free of
defects. Include replacement of defective materials for
10 years from date of completion. Defects are defined to
include fiberbloom, delamination of coating from exterior
sheet, and discoloration of more than 15 percent.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Provide products made by Skywall Translucent Systems,
Division of Butler Manufacturing Company, 803 Airport
Road, Terrell, TX. ASD. Tel: (800) 259-7941. Fax: (972)
551-6129.
NOTE ** Delete one of the two following paragraphs;
coordinate with Division 1 requirements.
B. Requests for substitution will be considered in
accordance with provisions of Section 01600.
C. Substitutions: Not permitted.
D. For manufacturers not listed, submit evidence of ability
to provide products that meet both performance and
product requirements, including list of projects of
similar design and complexity completed within the last 5
years.
E. Provide primary materials that are made by a single
manufacturer.
2.2 WALL AND ROOF ASSEMBLIES
A. Wall and Roof Assemblies - Performance Requirements:
Design to withstand the following loads:
NOTE ** Enter the required performance values in the
paragraphs below.
1. Snow load on roof and sloped walls: ___ psf (___
kPa).
2. Wind load on walls: ___ psf (___ kPa) positive, ___
psf (___ kPa) negative, and ___ psf (___ kPa) within
___ feet (___ m) of corners.
3. Seismic loads: As required by applicable code.
4. Dead loads.
B. Wall and Roof Assemblies: Aluminum framing system with
translucent panels, factory-fabricated, complete with all
flashings, connections, supports, and anchors.
1. Fabricate to actual dimensions of constructed work
where possible; otherwise, allow for field adjustment
using trim or flashing of adjustable size or
configuration.
NOTE ** Delete all but one of the following four finish
paragraphs.
2. Exposed Aluminum Finish (Interior and Exterior): Two
coat fluoropolymer coating, of 70 percent
Kynar(R)/Hylar(R) resin, complying with AAMA 605.2.
3. Exposed Aluminum Finish (Interior and Exterior):
Clear anodic finish, AA-M12C22A31, with AAMA 607.1
Class II clear coating 0.4 to 0.7 mils (0.010 to
0.018 mm) thick.
4. Exposed Aluminum Finish (Interior and Exterior):
Clear anodic finish, AA-M12C22A41, with AAMA 607.1
Class I clear coating 0.7 mils (0.018 mm) or thicker.
5. Exposed Aluminum Finish (Interior and Exterior):
Color anodic finish, AA-M12C22A44, with AAMA 606.1
Class I electrolytically deposited color coating 0.7
mils (0.018 mm) or thicker.
NOTE ** Delete all of the following color paragraphs if
clear anodizing is specified. Otherwise, delete
all but one to specify color of either anodizing or
coated finish.
6. Color: Medium bronze.
7. Color: Dark bronze.
8. Color: Black.
9. Color: ________.
10. Color: Selected from full range of manufacturer's
standard colors.
11. Color: Match Architect's sample.
2.3 PANELS
A. Panels - Performance Requirements:
NOTE ** Delete all but one of the following three
paragraphs.
1. Insulating value: U-value of 0.15 (0.85).
2. Insulating value: U-value of 0.24 (1.36).
3. Insulating value: U-value of 0.40 (2.27).
4. Determine insulating value by testing in accordance
with ASTM C 236; NFRC 100 certification of value is
acceptable.
5. Uniform load deflection: 3.5 inches (89 mm),
maximum, under 34 psf (16 kPa) uniform loading, when
tested in accordance with ASTM E 72.
6. Permanent set under concentrated load: 0.09 inch
(2.3 mm), maximum, under ___ pounds (___ kg) load,
when tested in accordance with ASTM E 72 with 4 by 12
foot (1220 by 3658 mm) panel.
7. Concentrated load strength: Support 300 pound (136
kg) load without failure, applied to 3 inch (75 mm)
diameter disc and tested in accordance with ASTM E
661.
8. Internal Adhesive Tensile Strength: 750 psi (5.2
MPa), minimum, when tested in accordance with ASTM C
297 before and after two exposures to six cycles each
of ASTM D 1037 aging conditions.
9. Internal Adhesive Shear Strength: 700 psi (4.8 MPa),
minimum, when tested in accordance with ASTM D 1002
after accelerated aging in accordance with ASTM D
1183.
B. Panels: Double-faced, insulated, translucent fiberglass
sandwich panels, composed of flat fiberglass glazing
sheet laminated to aluminum grid core by heat and
pressure process.
1. Panel thickness: 2-3/4 inches (70 mm).
NOTE ** Delete all but one of the following five
pattern/size descriptions.
2. Grid pattern: Shoji, 12 by 24 inches (305 by 610
mm).
3. Grid pattern: Shoji, 8 by 20 inches (100 by 508 mm).
4. Grid pattern: Staggered, 12 by 24 inches (305 by 610
mm).
5. Grid pattern: Staggered, 8 by 20 inches (100 by 508
mm).
6. Grid pattern: Square, 12 by 12 inches (305 by 305
mm).
7. Exterior sheet thickness: 0.070 inch (1.8 mm).
8. Interior sheet thickness: 0.045 inch (1.1 mm).
NOTE ** Delete all color descriptions below that are not
applicable.
9. Sheet color(s): As selected from manufacturer's
standard colors.
10. Exterior Sheet Color: Bronze.
11. Exterior Sheet Color: White.
12. Exterior Sheet Color: Crystal.
13. Interior Sheet Color: White.
14. Interior Sheet Color: Crystal.
C. Grid Core: Extruded aluminum, alloy 6063-T6; I-beam
shaped, minimum 7/16 inch (11 mm) wide; continuous
perimeter members interlocking with muntins/mullions;
flat bonding contact surface without high or low points.
1. Adhesive: Cover entire width of core member surface,
with neat sharp bonding line edge.
2. White spots at intersections: Not more than 4 in
each 50 square feet (4.6 sq m) of panel; not more
than 3/64 inch (1 mm) in width.
D. Fiberglass Glazing Sheet: Fiberglass reinforced resin
sheet, uniform in color, free of ridges, wrinkles,
clusters of air bubbles or pinholes, and with the
following characteristics:
1. Interior Sheet Flammability: Flame spread not more
than 20 and smoke developed not more than 200, when
tested in accordance with ASTM E 84; burn extent not
more than 1 inch, when tested in accordance with ASTM
D 635.
2. Exterior Sheet Protective Coating: DuPont Tedlar, 1
mil (0.025 mm) thick, field-refinishable; applied by
licensed sheet manufacturer for architectural use.
3. Exterior Sheet Fade Resistance: Use colorfast
resins; color difference (Delta E) after weathering
of not more than 4.0 units, determined in accordance
with ASTM D 2244 after 5 years outdoor weathering in
South Florida at 45 degrees facing south, conducted
in accordance with ASTM D 1435.
4. Exterior Sheet Strength: Uniform in strength;
withstand impact of 60 pounds-force (267 N), when
tested in accordance with Free Falling Ball test.
2.4 COMPONENTS
A. Exposed Structural Members: Extruded aluminum, alloy
6063-T5 or 6061-T6, box-beam shaped.
NOTE ** Delete the following paragraph if not required.
1. Type: Thermally broken, with metal surfaces in
contact with outdoor air separated from metal
surfaces in contact with indoor air.
2. Batten receiving channels: Continuous, extruded as
part of the structural member.
B. Battens and Perimeter Closures: Fasten panels to
structural members using screwed clamp-tight pressure
bar/batten assemblies, with matching perimeter closure
pieces.
1. Screws: Self-tapping Type 304 stainless steel
screws.
2. Sealed with manufacturer's standard flexible sealing
tape, factory applied under controlled conditions.
C. Windows: Extruded aluminum frame and sash, complete with
glazing and accessories.
NOTE ** Delete all but one of the following four types of
windows.
1. Type: Project Out; with following performance:
a. Air infiltration: Maximum 0.01 cfm per minute
per foot (0.055 cu m/hr per m) of crack, when
tested at 6.24 psf (3 kPa) static pressure
differential.
b. Water penetration: None, at 15 psf (7 kPa)
static pressure differential.
c. Strength: Withstand 90 psf (43 kPa) uniform
positive and negative pressure without damage.
2. Type: Project In; with following performance:
a. Air infiltration: Maximum 0.19 cfm per minute
per foot (0.10 cu m/hr per m) of crack, when
tested at 6.24 psf (3 kPa) static pressure
differential; maximum 0.07 cfm per minute per
foot (0.4 cu m/hr per m) of crack, when tested at
1.57 psf (0.75 kPa) static pressure differential.
b. Strength: Withstand 90 psf (43 kPa) uniform
positive and negative pressure without damage.
3. Type: Casement.
4. Type: Fixed.
5. Frame and Sash Members: Alloy 6063-T5; minimum wall
thickness of 0.078 inch (2.0 mm) for frame members,
0.125 inch (3.2 mm) where fasteners are attached and
where required for structural integrity, and 0.063
inch (0.8 mm) for operating sash members.
NOTE ** Delete the following paragraph if projecting sash
are not used.
6. Sash Members: Double hollow tubular shapes.
7. Main Frame and Sash Corners: Mitered and reinforced
with two heavy duty corner blocks per joint, sealed
and hydraulically staked.
8. Weatherstripping: Triple compound foam compression
seals.
9. Hardware: Concealed operating units; heavy-duty 4-
bar stainless steel hinges; die-cast zinc-alloy cam-
type locking handles; manufacturer's standard finish.
10. Glazing Seals: EPDM rubber wedge-type gasket at
interior; double-sided adhesive glazing tape and
silicone sealant cap bead at exterior.
NOTE ** Delete all but one of the following three glazing
paragraphs. Verify availability of other glazing
types with manufacturer.
11. Glazing: 6 mm thick float glass, untinted.
12. Glazing: 1 inch (25 mm) thick sealed insulating
glass units, float glass, untinted.
13. Glazing: 1-9/16 inches (39.7 mm) thick translucent
glazing panel of same type as wall/roof assembly.
NOTE ** Delete the following paragraph if screens are not
required.
14. Screens: Tubular extruded aluminum frames with rigid
corner construction, 18 by 14 aluminum screen cloth.
NOTE ** Delete the following paragraph if Project Out
windows are not used.
15. Wickets: Provide access wickets in screens at sash
operating handles.
PART 3 EXECUTION
3.1 EXAMINATION
A. Take field measurements to verify that fabricated work
will fit spaces intended.
B. Verify that areas in which work is to be installed are
ready for installation.
C. Do not proceed until unsatisfactory conditions have been
corrected.
3.2 INSTALLATION
A. Install in strict accordance with manufacturer's
instructions and recommendations and with approved shop
drawings; provide a complete weatherproof assembly.
B. Anchor securely to supporting structure, but allow for
differential and thermal movement.
C. Separate aluminum members from dissimilar metals with
protective coating or sheet capable of preventing
electrolytic action.
D. Ensure that weep and condensation control measures
function properly.
E. Coordinate with other work.
3.3 CLEANING AND REPAIR
A. Remove labels, part number markings, sealant smears,
handprints, and construction dirt; protect installed work
from damage.
B. Clean all exposed surfaces immediately prior to final
inspection, using non-abrasive materials and methods
recommended by manufacturer.
C. Repair damaged components and finishes in accordance with
manufacturer's recommendations; replace work that cannot
be repaired to the satisfaction of the Architect.
END OF SECTION