MPS Master
SECTION 08 62 13
DOMED UNIT SKYLIGHTS
PART 1 - GENERAL
1.01
A.
SUMMARY
Section Includes:
1.
Provide domed plastic unit skylights as follows and where noted:
a.
b.
c.
d.
B.
Related Sections:
1.
2.
1.02
Curb Mounted Double Standard Dome Plastic Unit Skylight
Curb Mounted Double Pyramid Dome Plastic Unit Skylight
Deck Mounted Double Standard Dome Plastic Unit Skylight With Integral Curb
Deck Mounted Double Pyramid Dome Plastic Unit Skylight With Integral Curb
Section 06 10 00: Rough Carpentry.
Section 07 60 00: Flashing and Sheet Metal.
PERFORMANCE REQUIREMENTS
A.
General: Provide unit skylights capable of withstanding loads as prescribed by prevailing code for
Project location.
B.
Unit Skylight Standard: Comply with AAMA/WDMA/CSA 101/I.S.2/A440 for definitions and
minimum standards of performance, materials, components, accessories, and fabrication.
C.
Uniform Load:
1.
Skylights shall meet or exceed a uniform design load capacity of 40 psf positive and 40 psf
negative load.
2.
Skylights shall support a minimum positive and negative load of 60 psf per requirements of
American Architectural Manufacturer’s Association (AAMA) Publication “Voluntary Uniform
Load Structural Standard for Plastic Domed Skylights” (AAMA 1606-82).
D.
Impact Test: Units shall be impact tested to 775 foot-pounds to comply with intent of OSHA fall
protection regulation 29 CFR 1910.23(e)(8), without a safety screen.
E.
Air Infiltration: Unit skylights shall meet the requirements of ASTM E283 that allows a maximum
air infiltration of 0.06 cfm of total glazed surface area.
F.
Water Infiltration: Unit skylights shall meet the requirements of ASTM E547/E331 that allows for
no water infiltration at a test pressure of 12 psf.
1.03
SUBMITTALS
A.
General: Provide submittals in accordance with Section 01 33 00.
B.
Product Data: Provide complete specifications; description of materials, construction, and
finishes; and details of components for product provided.
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MPS Master
SECTION 08 62 13
C.
Shop Drawings: Include plans, elevations, sections, dimensions, anchorage, sealants, and
flashings and connections to structure.
D.
Samples For Selection: Provide manufacturer’s color charts showing full range of colors available
for glazing and aluminum finish when Architect to select if specified.
E.
Aluminum Finish Sample: Provide sample of aluminum finish.
F.
Glazing Sample: Provide sample of glazing in color and finish being provided.
G.
Sample Warranty: Provide sample of manufacturer’s warranty.
1.04
QUALITY ASSURANCE
A.
Manufacturer Qualifications: A manufacturer capable of fabricating unit skylights that meet or
exceed performance requirements indicated and of documenting this performance by inclusion in
lists and by labels, test reports, and calculations.
B.
Installer Qualifications: An installer acceptable to unit skylight manufacturer for installation of
units required for this Project.
1.05
WARRANTY
A.
General: Warranties specified in this Section shall not deprive Owner of other rights that Owner
may have under other provisions of the Contract Documents and shall be in addition to and run
concurrent with other warranties made by Contractor under requirements of the Contract
Documents.
B.
Skylight Warranty: Provide written warranty signed by manufacturer, agreeing to repair or replace
work that exhibits defects in materials or workmanship and guaranteeing weathertight and leak-free
performance. “Defects” is defined as uncontrolled leakage of water and abnormal aging or
deterioration of metals, metal finishes, and other components.
1.
C.
Glazing Warranty: Provide written warranty signed by manufacturer agreeing to repair or replace
work that has or develops defects in the plastic. “Defects” is defined as abnormal aging or
deterioration.
1.
D.
Warranty Period: 5 years from date of Substantial Completion.
Warranty Period: 5 years from date of Substantial Completion against yellowing or breakage.
Finish Warranty: Provide written warranty signed by manufacturer agreeing to repair or replace
work with finish defects. “Defects” is defined as peeling, chipping, chalking, fading, abnormal aging
or deterioration, and failure to perform as required.
1.
2.
3.
Warranty Period For Anodized Finish: 5 years from date of Substantial Completion.
Warranty Period For Polyester Powdercoat: 5 years from date of Substantial Completion.
Warranty Period For Kynar 500 Finish: 20 years from date of Substantial Completion.
PART 2 - PRODUCTS
2.01
MANUFACTURERS
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MPS Master
SECTION 08 62 13
A.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents,
acceptable manufacturers are as follows or Owner approved equal:
1.
2.02
A.
Wasco Products, Inc.
MATERIALS - GENERAL
Curb Mounted Frame: Either of the following:
1.
Fabricated from high performance PVC with minimum effective thickness of 0.060 inch with
integral condensation gutter system and corners fully welded.
2.
Fabricated from 6063-T5/T6 aluminum extrusion, minimum thickness of 0.060 inch, thermally
broken, with integral condensation gutter system, corners welded using heliarc process.
B.
Retainer Cap: Extruded aluminum alloy 6063-T5, minimum thickness of 0.060 inch, welded
corners.
C.
Glazing Gasket: Manufacturer’s standard.
D.
Glazing/Domes: Either of the following:
1.
Acrylic Glazing:
a.
b.
c.
d.
e.
E.
Fasteners: Same metal as metal being fastened, non-magnetic stainless steel, or other
non-corrosive metal as recommended by manufacturer. Finish exposed fasteners to match
material being fastened.
1.
2.03
A.
Material: ASTM D4802, thermoformable, monolithic sheet, category as standard with
manufacturer, Finish 1 (smooth or polished), Type UVF (formulated with UV absorber).
Double Glazed Dome:
1) Profile: Standard Dome has 25 percent rise, Pyramid has 30-degree slope.
2) Thickness: Not less than thickness required to exceed performance requirements
specified.
3) Outer Dome Color: Colorless, transparent or White, translucent as shown on
Drawings.
4) Inner Dome Color: Colorless, transparent or White, translucent as shown on
Drawings.
Self-Ignition Temperature: 650 degrees F or more for plastic sheets in thickness
indicated when tested in accordance with ASTM D1929.
Smoke-Production Characteristics: Smoke-developed index of 450 or less when tested in
accordance with ASTM E84, and smoke density of 75 or less when tested in accordance
with ASTM D2843.
Burning Characteristics: Tested in accordance with ASTM D635, Class CC2, burning
rate of 2 1/2 inches per minute or less for nominal thickness of 0.060 inch or thickness
indicated for use.
Where removal of exterior exposed fasteners might allow access to building, provide
non-removable fastener heads.
FABRICATION - GENERAL
Framing Components: Skylight framing shall meet the following requirements:
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SECTION 08 62 13
2.04
1.
Factory fit and assemble components.
2.
Fabricate components that, when assembled, will have accurately fitted joints with ends coped
or mitered to product hairline joints free of burrs and distortion.
3.
Fabricate components to drain water passing joints and to drain condensation and moisture
occurring or migrating within skylight system to exterior.
4.
Fabricate components to accommodate expansion, contraction, and field adjustment, and to
provide for minimum clearance and shimming at skylight perimeter.
5.
Fabricate components to ensure that glazing is thermally and physically isolated from framing
members.
6.
Form shapes with sharp profiles, straight and free of defects or deformations, before finishing.
7.
Fit and secure joints in aluminum by heliarc welding.
CURB MOUNTED DOME PLASTIC UNIT SKYLIGHT
A.
General: Factory-assembled, curb mounted unit skylight, consisting of a double plastic dome,
inner curb mounted frame with flashing flange designed to be mounted on a field fabricated curb,
outer retainer cap which secures glazing, and gasketing to provide a weathertight assembly. Unit
skylight to meet performance requirements specified.
B.
Dome Profile: Refer to Article 2.02.
C.
Dome Color Selection: Refer to Article 2.02.
D.
Unit Skylight Shape and Size: Refer to Drawings.
2.05
DECK MOUNTED DOME PLASTIC UNIT SKYLIGHT WITH INTEGRAL CURB
A.
General: Factory-assembled, deck mounted unit skylight, consisting of a double plastic dome,
inner frame with flashing flange that is incorporated into an integral curb by skylight manufacturer,
outer retainer cap which secures glazing, and gasketing to provide a weathertight seal. Unit
skylight to meet performance requirements specified.
B.
Factory Fabricated Curb: Manufacturer’s formed or extruded aluminum curb fabricated from
6063-T5/T6 aluminum, consisting of minimum 0.060-inch thick aluminum frame and minimum
0.032-inch curb walls, with minimum of 1-inch thick fiberglass insulation between curb walls. Curb
to have integral condensation gutter and weep holes for drainage to exterior. Curb to have flange
for incorporating curb into roof system.
1.
Corners welded using heliarc process.
2.
Curb height to be 12 inches.
C.
Dome Profile: Refer to Article 2.02.
D.
Dome Color Selection: Refer to Article 2.02.
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SECTION 08 62 13
E.
2.06
A.
2.07
Unit Skylight Shape and Size: Refer to Drawings.
MISCELLANEOUS MATERIALS
Weatherseal For Curb Mounted Skylights: Expanded polyethylene manufactured by Williams
Seals and Gaskets or Owner approved equal, subject to requirements of the Contract Documents.
EXPOSED ALUMINUM FINISH
A.
General: In accordance with NAAMM “Metal Finishes Manual” recommendations for application
and designations of finishes.
B.
Finish: Finish designations prefixed by AA conform to the system for designations of aluminum
finishes established by the Aluminum Association.
1.
Clear Anodized Finish, Class I: AA-C22A41 in accordance with AAMA 611.
2.
Clear Anodized Finish, Class I: AA-C22A42 in accordance with AAMA 611.
a.
3.
Color: ___________
Kynar Fluoropolymer 2-Coat System: 70 percent PVDF in accordance with AAMA 2605.
a.
Color: ___________; 3-Coat and 4-Coat Available If Specified.
PART 3 - EXECUTION
3.01
A.
EXAMINATION
General: Examine substrates and conditions, with installer present, for compliance with
requirements for installation tolerances and other conditions affecting skylight performance.
1.
3.02
Proceed with installation only after unsatisfactory conditions have been corrected.
INSTALLATION
A.
General: In accordance with manufacturer’s written instructions for protecting, handling, and
installing skylight components.
B.
Coordination:
1.
Coordinate with installation of roof deck and other substrates to receive skylight units.
2.
Coordinate with installation of vapor barriers, roof insulation, roofing, and flashing as required
to ensure that each element of the work performs properly and that combined elements are
waterproof and weathertight.
C.
Anchorage: Anchor units securely to supporting structural substrates, adequate to withstand
lateral and thermal stresses as well as inward and outward loading pressures.
D.
Isolation: Where metal surfaces of units are to be installed in contact with non-compatible metal
or corrosive substrates, including wood, apply bituminous coating on concealed metal surfaces or
provide other permanent separation.
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SECTION 08 62 13
E.
3.03
A.
Weatherseal For Curb Mounted Skylights: Glue weatherseal to curb and let glue dry before
setting skylight on curb.
CLEANING
Cleaning of Plastic Skylights:
1.
Clean exposed metal and plastic surfaces in accordance with manufacturer’s instructions.
Touch up damaged metal coatings.
2.
Clean plastic skylight units, inside and out, no more than 5 days prior to date of Substantial
Completion.
END OF SECTION
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