SECTION
08410
STRUCTURAL
GLAZED ALUMINUM ENTRANCE SYSTEMS
PART
1 GENERAL
1.01
RELATED
DOCUMENTS
A.
Drawings
and general provisions of the Contract, including General, Special and
Supplementary Conditions and Division 1 Specification Sections, apply to
this Section.
1.02
SUMMARY
A.
This Section
includes the following:
1.
Exterior
entrance systems.
2.
Exterior
storefront systems.
B.
Related
sections include the following:
1.
Division 7
Section ‘’Building Insulation’’ for firesafing field installed in
conjunction with glazed aluminum entrances and storefront system.
2.
Division 7
Section ‘’Joint Sealants” for joint sealants installed as part of
glazed aluminum entrances and storefront system.’
3.
Division 8
Section “Structural Glazed Aluminum Curtain Walls”
4.
Division 8
Section ‘’Glazing’’
1.03
SYSTEM DESCRIPTION
A.
General: Provide (4) four sided structural glazed aluminum
entrances and storefronts system that has the following capabilities based
on testing manufacturer’s standard units in assemblies similar to those
indicated for this project:
1.
Withstands
loads, thermal and structural movement requirements indicated without
failure.
a.
Air
infiltration and water penetration exceeding specified limits.
b.
Framing
members transferring stresses, including those caused by thermal and
structural movement, to glazing units.
B.
Glazing is
physically and thermally isolated from framing members.
C.
System is
reglazable from the exterior.
D.
Wind Loads:
Provide glazed aluminum entrances and storefronts system, including anchorage, capable of withstanding
wind-load design pressures calculated according to requirements of
authorities having jurisdiction or the American Society of Civil
Engineers’ ASCE 7, “Minimum Design Loads for Buildings and Other
Structures,” 6.4.2, “ Analytical Procedure, “ and the Florida
Building Code 2000, whichever are more stringent.
1.
Design wind
velocity at the project site is ____________.
2.
Deflection of
framing members in a direction normal to wall plain is limited to 1/175 of
clear span or 3/4 inches, whichever is smaller, unless otherwise
indicated.
3.
Deflection of
framing members in a direction normal to wall plane is limited to 1/360 of
clear span, ¾ inches maximum, where plaster or gypsum board are subject to bending.
4.
Deflection of
framing members overhanging an anchor point is limited to 2 times the
length of the cantilevered member, divided by 175.
E.
Dead Loads:
Provide glazed aluminum entrances and storefronts system members that do not deflect an amount, which
will reduce glazing bite below 75 percent of design dimension when
carrying full dead load. Provide a minimum 1/8-inch clearance between
members and top of fixed panels, glazing or other fixed part immediately
below. Provide a minimum 1/16-inch clearance between members and operable
windows and doors.
F.
Live Loads:
Provide structural glazed aluminum entrances and storefronts system, including anchorage, that accommodates
supporting structure’s deflection from uniformly distributed and
concentrated live loads indicated without failure of materials or
permanent deformation.
G.
Air Infiltration: Provide glazed aluminum entrances
and storefronts system with
permanent resistance to air leakage through system of not more than 0.06
cfm/sq.ft. Have fixed wall area when tested according to ASTM E 283 at a
static-air-pressure difference of 6.24 lbf/sq.ft.
1.
Provide
operable windows with permanent resistance air leakage complying with AAMA
101 requirements for types of windows indicated.
H.
Water
Penetration: Provide glazed aluminum entrances and storefronts system that does not evidence water leakage when
tested according to ASTM E 331 at minimum differential pressure of 25
percent of inward acting wind-load design pressure as defined by ASCE 7,
“ Minimum Design Loads for Buildings and other structures, “ but not
less than 10 lbf/sq.ft.
I.
Thermal
Movements: Provide glazed aluminum entrances and storefronts system, including anchorage, that accommodates
thermal movements of system and supporting elements resulting from the
following maximum change (range) in ambient and surface temperatures
without buckling, damaging stresses on glazing, failure of joint sealants,
damaging loads on fasteners, noise or vibration and other detrimental
effects.
1.
Temperature
Change (Range): 120 deg F, ambient; 180 deg F, material surfaces.
J.
Structural
Support Movement: Provide glazed aluminum entrances and
storefronts system that
accommodates structural movements including, but not limited to, sway,
twist, column shortening, long-term creep, and deflection.
K.
Condensation
Resistance: Provide glazed aluminum entrances and storefront system with
condensation-resistance factor (CRF) of not less than 55 when tested
according to AAMA 1503.1
L.
Average
Thermal Conductance: Provide glazed aluminum entrances and
storefronts system with
an average U-value of not more than 0.66 Btu/sq.ft. x h x deg F when
tested according to AAMA 1503.1
M.
Dimensional Tolerances: Provide glazed aluminum entrances
and storefronts system,
including anchorage that accommodates dimensional tolerances of building
frame and other adjacent construction.
1.03.01
TESTING
AND PERFORMANCE REQUIREMENTS
A.
Provide
Storefront System and application that is structurally sound, impact
resistance and weather tight conforming to applicable testing and
performance requirements described herein.
B.
Provide
certified independent laboratory test reports from an accredited
laboratory.
C.
Provide
certification for compliance with Florida Building Code 2001
D.
Test Units:
All tests, unless otherwise noted, shall conform to the impact,
static, cyclic, air and water testes as set forth by SBCCI and the
Miami-Dade County Building Code Compliance Off.
E.
Test
Procedure and performance:
1.
Storefront
system shall conform to criteria for conducting impact, static,
cyclic air and water tests set forth by the SBCCI and the Miami-Dade
County Building Code Compliance Office.
2.
Impact Test
– PA 201-94 and 1-3023.2
a.
Missile
Impact storefront system with a solid S4S nominal 2 x 4, #2 surface dry,
Southern Pine of not less than 8’-6’ in length and 9 lbs in weight at
a velocity between 50 and 52 ft/sec. Without defined specimen failure.
3.
Cycle Wind
Pressure Loading Test – PA203-94 and 302.4 – 302.7.3
a.
Apply loads
to the specimen using the cycles specified in The South Florida Building
Code and as in Table 1 of SSTD 12-97 without failure.
b.
Specified
Design Pressure (DP) should not be less than 90 psf.
1.04
SUBMITTALS
A.
General:
Submit each item in this Article according to the Conditions of the
Contract and Division 1 Specification Sections.
B.
Product Data
for each product specified, including details of construction relative to
materials, dimensions of components, profiles, silicone strength tests,
and finishes.
C.
Shop Drawings
showing fabrication and installation of glazed aluminum entrances and
storefront system including plans, elevations, sections, details of
components, and attachments to other units of Work.
1.
For installed
products indicated to comply with certain design loadings, include
structural analysis data signed and sealed by the qualified professional
engineer responsible for their preparation.
D.
Samples for
initial selection in the form of manufacturer’s standard sizes. Where
finishes involve normal color and texture variations, include Sample sets
showing the full range of variations expected.
E.
Samples for
verification of each type of exposed finish required in manufacturer’s
standard sizes. Where finishes involve normal color and texture variations
expected.
F.
Cutaway
sample of each vertical-to-horizontal intersection of system, made from
12-inch lengths of full-size components and showing details of the
following:
1.
Joinery
2.
Anchorage
3.
Expansion
provisions
4.
Glazing
5.
Flashing and
drainage
G.
Welder Certificates indicating that welders comply
with requirements specified in “ Quality Assurance “ Article.
H.
Installer
certificates signed by installer certifying that installer comply with
requirements in “ Quality Assurance “ Article.
I.
Product test
reports from a qualified independent testing agency evidencing compliance
of glazed aluminum entrances and storefront system with requirements based
on comprehensive testing of manufacturer’s current system.
1.05
QUALITY
ASSURANCE
A.
Professional
Engineer Qualifications: A professional engineer who is legally qualified
to practice in the jurisdiction where project is located and who is
experienced in providing engineering services of the kind indicated.
Engineering services are defined as those performed for installations of
glazed aluminum entrances and storefront systems that are similar to those
indicated for this Project in material, design, and extent.
B.
Installer
Qualifications: Engage an experienced installer to assume engineering
responsibility and perform work of this Section who has specialized in
installing glazed aluminum entrances and storefront systems similar to
those required for this Project and who is acceptable to manufacturer.
1.
Engineering
Responsibility: Engage a qualified professional engineer to prepare or
supervise the preparation of data for glazed aluminum Aluminum entrances
and storefront systems, including drawings, testing program development,
test-result interpretation, and comprehensive engineering analysis that
shows systems’ compliance with specified requirements.
C.
Source
Limitations: Obtain each type of glazed aluminum entrances and storefront
system from one source and by a single manufacturer.
D.
Product
Options: Drawings indicate size, profiles, and dimensional requirements of
glazed aluminum entrances and storefront system and are based on the
specific systems indicated. Other manufacturers’ systems with equal
performance characteristics may be considered. Refer to Project Manual
general requirements for “ Substitutions “.
Architects decision is final.
1.
Project’s
basis of design is Alumiglass, Inc.’s Alumiwall 6001 structural glazed
aluminum entrances and storefront System.
2.
Do not modify
intended aesthetic effects, as judged solely by architect, except with
Architect’s approval and only to the extent needed to comply with
performance requirements. Where modifications are proposed, submit
comprehensive explanatory data to architect for review.
E.
Welding
Standards: Comply with applicable provisions of AWSD 1.2, “Structural
Welding Code-Aluminum.”
1.
Engage
welders who have satisfactorily passed AWS qualification tests for welding
processes involved and who are currently certified for these processes.
F.
Mockups:
Prior to installing glazed aluminum entrances and storefront system,
construct mockups for each form of construction and finish required to
verify selections made under Sample submittals and to demonstrate
aesthetic as well as qualities of materials and execution. Build mockups
to comply with the following requirements, using materials indicated for
work.
1.
Locate
mockups on-site in the location and of the size indicated or, if not
indicated, as directed by Architect.
2.
Notify
Architect 7 days in advance of the dates and times when mockups will be
constructed.
3.
Demonstrate
the proposed range of aesthetic effects and workmanship.
4.
Obtain
Architect’s approval of mockups before start of work.
5.
Retain
and maintain mockups during construction in an undisturbed condition as a
standard for judging the completed work.
a.
Approved
mockups in an undisturbed condition at the time of Substantial Completion
may become part of the completed work.
G.
Preinstallation
Conference: Conduct conference at Project site to comply with requirements
of Division 1 Section “Project
Meetings.”
1.06
PROJECT CONDITIONS
A.
Field Measurements: Verify dimensions by
field measurements before fabrication and show recorded measurements on
Shop Drawings. Coordinate fabrication schedule with construction progress
to avoid delaying the Work.
1.
Where
field measurements cannot be made without delaying the work, General
Contractor shall guarantee dimensions to the manufacturer, and fabrication
shall proceed without field measurements. Coordinate construction to
ensure that actual dimensions correspond to guarantee dimensions.
1.07
WARRANTY
A.
General
Warrant: The special warranty specified in this Article shall not deprive
the Owner of other rights the Owner may have under other provisions of the
Contract Documents and shall be in addition to, and run concurrent with,
other warranties made by the Contractor under requirements of the Contract
Documents.
B.
Special
Warranty: Submit a written warranty executed by the manufacturer and
installer, agreeing to repair or replace components of a glazed aluminum
entrances and storefront system that fail in materials or workmanship
within the specified warranty period. Failures include, but are not
limited to, the following:
1.
Structural
failures including, but not limited to, excessive deflection.
2.
Noise
or vibration caused by thermal movements.
3.
Failure
of system to meet performance requirements.
4.
Deterioration
of meals, metal finishes, and other materials beyond normal weathering.
5.
Water
leakage.
6.
Glazing
breakage.
7.
Delamination.
C.
Warranty
Period: 2 years from date of Substantial Completion.
PART 2
PRODUCTS
2.01
MANUFACTURERS
A.
Manufacturers: The basis
or design is the design of the section is Alumiglass, Inc. Sales representative Savannah Trims, Inc. phone 888-640-0850.
Subject to compliance with requirements, design intent and these
specifications, other manufacturers, which are approved for a structural
glass curtain wall system, are:
1.
Kawneer Company, Inc.
2. Tubelite
Architectural Systems.
2.02
MATERIALS
A.
Aluminum:
Alloy and temper recommended by manufacturer for type of use and finish
indicated, complying with the requirements of standards indicated below.
1.
Sheet and
plate: ASTM B 209
2.
Extruded
Bars, Rods, Shapes, and tubes: ASTM B 221.
3.
Extruded
Structural Pipe and Tubes: ASTM B 429.
4.
Welding Rods
and Bare Electrodes: AWS A5.10.
B.
Steel
Reinforcement: ASTM A 36 for structural shapes, plates, and bars; ASTM A
611 for cold-rolled sheet and strip; or ASTM A 570 for hot-rolled sheet
and strip.
1.
Provide only
where required by manufacturer to meet engineering requirements.
C.
Glazing as
specified in Division 8 Section “ Glazing.”
D.
Glazing
Gaskets: Manufacturer’s standard sealed-corner pressure-glazing system
of black, resilient elastomeric glazing gaskets, and shims or spacers; in
hardness recommended by manufacturer.
E.
Glazing
sealants and fillers as specified in Division 8 Section “ Glazing.”
F.
Framing
system gaskets and joint fillers as recommended by manufacturer for joint
type.
G.
Sealants and joint fillers for joints within glazed
aluminum entrances and storefront system as tested and approved by
manufacturer.
H.
Firesafing
materials as specified in Division 7 Section “ Building
Insulation."
I.
Bituminous
Paint: Cold-applied asphalt-mastic paint complying with SSPC-Paint 12
requirements, except containing no asbestos, formulated for 30-mil
thickness per coat.
2.03
COMPONENTS
A.
Doors:
Provide manufacturer’s standard 1 ¾ - inch – thick glazed doors with
minimum 0.125 – inch – thick, extruded tubular rail and stile members.
Mechanically fasten corners with reinforcing brackets that are deep
penetration and fillet welded or that incorporate concealed tie-rods.
1.
Glazing stops
and gaskets: Provide manufacturer’s standard snap-on extruded-aluminum
glazing stops and performed gaskets.
2.
Stile Design:
Medium stiles: 3 ½ - inch nominal width, with 4 ½ - inch center
rail.
B.
Brackets and
Reinforcements: Provide manufacturers’ standard high-strength aluminum
brackets and reinforcements. Provide nonstaining, nonferrous shims for
aligning system components.
C.
Fasteners and
Accessories: Manufacturer’s standard corrosion-proof, nonstaining,
nonbleeding fasteners and accessories compatible with adjacent materials.
Finish exposed portions to match glazed aluminum entrances and storefront.
1.
At movement
joints, use slip-joint linings, spacers, and sleeves of material and type
recommended by manufacturer.
2.
Where
fasteners anchor into aluminum less than 0.125 inches thick, provide
reinforcement to receive fastener threads.
3.
Use exposed
fasteners with countersunk Phillips screw heads finished to match framing
members, unless otherwise indicated.
D.
Anchors:
3-way adjustable anchors that accommodate fabrication and installation
tolerances in materials and finish compatible with adjoining materials and
recommended by manufacturer.
1.
Concrete and
Masonry Inserts: Hot-dip galvanized cast-iron, malleable-iron, or steel
inserts complying with ASTM A 123 or ASTM A 153 requirements.
E.
Concealed
Flashing: Manufacturer’s standard corrosion-resistant, nonstaining,
nonbleeding flashing, compatible with adjacent materials, and of type
recommended by manufacturer.
F.
Weather
Stripping: Manufacturers’ standard replaceable weather stripping as
follows:
1.
Compression
Weather Stripping: Molded neoprene complying with ASTM D 2000 requirements
or molded PVC complying with ASTM D 2287 requirements.
2.
Sliding
Weather Stripping: Wool , polypropylene, or nylon woven pile with
nylon-fabric or aluminum-strip backing complying with AAMA 701
requirements.
2.04
FABRICATION
A.
General:
Fabricate glazed aluminum entrances and storefront systems according to
shop Drawings. Fabricate components that, when assembled, will have
accurately fitted joints with ends coped or mitered to produce hairline
joints of burrs and distortion. After fabrication, clearly mark components
to identify their locations in Project according to Shop Drawings.
1.
Fabricate
components for screw – spline frame construction.
2.
Fabricate
components for shear-block frame construction.
3.
Fabricate
components for head – and sill-receptor frame construction with
shear-block construction at intermediate horizontal components.
4.
Provide
method(s) indicated above as standard with manufacturer for frame
construction assemblies applicable to this Project.
B.
Forming: Form
shapes with sharp profiles, straight and free of defects or deformations,
before finishing.
C.
Prepare
components to receive concealed fasteners and anchor and connection
devices.
D.
Fabricate
components to drain water-passing joints, condensation occurring in
glazing channels, condensation occurring within framing members, and
moisture migrating within the system to the exterior.
E.
Welding: Weld
components to comply with referenced standard and Shop Drawings, unless
otherwise indicated. Weld before finishing components. Weld in concealed
locations to greatest extent possible to minimize distortion or
discoloration of finish. Remove weld spatter and welding oxides from
exposed surfaces by descaling or grinding.
F.
Glazing
Pockets: Provide minimum clearances for thickness and type of glass
indicated according to GANA’s “Glazing Manual.”
G.
Metal Protection: Where aluminum will contact
dissimilar metals, protect against galvanic action by painting contact
surfaces with primer or by applying sealant or tape recommended by
manufacturer for this purpose. Where aluminum will contact concrete or
masonry, protect against corrosion by painting contact surfaces with
bituminous paint.
H.
Frame Units:
Factory assembles frame units according to Shop Drawings to greatest
extent possible. Rigidly secure nonmovement joints. Seal joints
watertight, unless otherwise indicated. Assemble components to drain water
passing joints, condensation occurring within framing members, and
moisture migrating within the system to exterior.
I.
Install
glazing in the manufacturers shop, prior to shipment and according to Shop
Drawings. Comply with requirements of Division 8 Section “ Glazing,“
unless otherwise indicated.
2.05
ALUMINUM
A.
General:
Comply with NAMM’s “Metal Finishes Manual for Architectural and Metal
Products” for recommendations relative to applying and designating
finishes.
B.
Appearance of
Finished Work: Variations in appearance of abutting or adjacent pieces are
acceptable if they are within one-half of the range of approved Samples.
Noticeable variations in the same piece are not acceptable. Variations in
appearance of other components are acceptable if they are within the range
of approved Samples and are assembled or installed to minimize contrast.
C.
Finish
designations prefixed by AA confirm to the system established by the
Aluminum Association for designating aluminum finishes.
D.
Class I,
Clear, or Bronze Anodic
Finish: AA-M12C22A41 (Mechanical Finish: nonspecular as fabricated;
Chemical Finish: etched, medium matte; Anodic Coating: Architectural Class
I clear coating 0.018mm or thicker) complying with AAMA 607.1.
PART 3
EXECUTIONS
3.01
EXAMINATION
A.
Examine
areas, with Installer present, for compliance with requirements for
installation tolerances and other conditions affecting performance of
glazed aluminum entrances and storefront system. Do not proceed with
installation until unsatisfactory conditions have been corrected or
accommodations acceptable to architect have been made.
3.02
INSTALLATION
A.
General:
Comply with manufacturer’s written instructions for protecting,
handling, and installing glazed aluminum entrances and storefront system.
Do not install damaged components. Fit joints to produce hairline joints
free of burrs and distortion. Rigidly secure nonmovement joints. Seal
joints watertight, unless otherwise indicated. Provide means to drain
water to the exterior to produce a permanently weatherproof system.
B.
Metal
Protection: Where aluminum will contact dissimilar metals, protect against
galvanic action by painting contact surfaces with primer or by applying
sealant or tape recommended by manufacturer for this purpose. Where
aluminum will contact concrete or masonry, protect against corrosion by
painting contact surfaces with bituminous paint.
C.
Install
components to drain water-passing joints, condensation occurring in
glazing channels, condensation occurring within framing members, and
moisture migrating within the system to the exterior.
D.
Install
framing members plumb and true in alignment with established lines and
grades.
E.
Install
factory-assembled frame units plumb and true alignment with established
lines and grades.
F.
Anchorage:
After system components are positioned, fix connections to build structure
as indicated on Shop Drawings.
1.
Provide
separators and isolators to prevent metal corrosion and electrolytic
deterioration and to prevent impeding movement of moving joints.
G.
Welding: Weld components to comply with referenced
standard and Shop Drawings, unless otherwise indicated. Weld in concealed
locations to minimize distortion or discoloration of finish. Protect
glazing surfaces from welding.
H.
Install
glazing according to Shop Drawings. Comply with requirements Of Division 8
Section “Glazing,” unless
otherwise indicated.
I.
Install
sealant according to Shop Drawings. Comply with requirements of Division 7
Section “Joint Sealants,” unless otherwise indicated.
J.
Install
firesafing in locations indicated. Comply with requirements of Division 7
Section “Building Insulation,” unless otherwise indicated.
K.
Erection
Tolerances: Install pre-glazed aluminum entrances and storefront to comply
with the following maximum tolerances:
1.
Plumb: 1/8
inch in 10 feet; 1/4 inch in 40 feet.
2.
Level: 1/8
inch in 20 feet; 1/4 inch in 40 feet.
3.
Alignment:
Where surfaces abut in line, limit offset from true alignment to 1/16
inch; where a reveal or protruding element separates aligned surfaces by
less than 2 inches, limit offset to ½ inch.
4.
Location:
Limit variation from plane or location shown on Shop Drawings to 1/8 inch
in 12 feet; 1/2 inch over total length.
L.
Installer
shall furnish certification, signed by an officer of the Company,
certifying that all work is installed per the contract documents and the
manufacturers shop drawings, and agreeing to the conditions
and terms of the warranty.
M.
Installer shall maintain a daily work log for each
day worked on the jobsite, noting manpower, installation progress,
problems encountered and all other issues of note.
N.
Install
entrances plumb and true in alignment with established lines and grades
without warp or rack. Lubricate operating hardware and other moving parts
according to hardware manufacturers’ written instructions.
1.
Install
surface-mounted hardware according to manufacturers’ written
instructions.
3.03
PROTECTION
A.
General
Contractor shall provide final protection and maintain conditions, in a
manner acceptable to manufacturer and Installer that ensure glazed
aluminum entrances and storefront system is without damage or
deterioration at the time of Substantial Completion.
END OF
SECTION 08920
Purveyors
of Architectural Specialties
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