A. Section 06100 - Rough Carpentry: Framed openings.
B. Section 06200 - Finish Carpentry: Interior wood trim.
C. Section 07300 - Shingles and Roofing Tiles.
D. Section 07610 - Sheet Metal Roofing.
E. Section 07620 - Sheet Metal Flashing and Trim.
F. Section 07900 - Joint Sealers: Perimeter joint sealant and backer rod.
1.03 REFERENCES
A. American Architectural Manufacturers Association (AAMA):
1. AAMA 603.8, Voluntary Performance Requirements and Test Procedures for Pigmented Organic Coatings on Extruded Aluminum.
B. American National Standards Institute (ANSI):
1. ANSI Z97.1 - Safety Performance Specifications and Methods of Test for Safety Glazing Material Used In Buildings.
C. American Society for Testing and Materials (ASTM):
1. ASTM C 864, Dense Elastomeric Compression Seal Gaskets, Setting Blocks and Spacers.
2. ASTM C 1048, Specification for Heat Treated Flat Glass - Kind HS, Kind FT Coated and Uncoated Glass.
3. ASTM D 3647 (1988), Practice for Classifying Reinforced Plastic Pultruded Shapes According to Composition.
4. ASTM E 90, Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of _Building Partitions.
5. ASTM E 283, Test Method for Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors.
6. ASTM E 330, Test Method for Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.
7. ASTM E 413, Classification for Rating Sound Insulation.
8. ASTM E 547, Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Cyclic Static Air Pressure Differential.
9. ASTM E 773, Test Method for Seal Durability of Sealed Insulating Glass Units.
10. ASTM E 774, Specification for Seal Durability of Sealed Insulating Glass Units.
11. ASTM F 588, Test Methods for Resistance of Window Assemblies to Forced Entry Excluding-Glazing.
D. Consumer Product Safety Commission (CPSC):
1. CPSC 16CFR-1201, Safety Standard for Architectural Glazing Materials.
E. National Fenestration Rating Council (NFRC):
1. NFRC 100, Procedure for Determining Fenestration Product Thermal Properties.
2. NFRC 200, Procedure for Determining Solar Heat Gain Coefficient.
F. National Wood Window & Door Association (NWWDA):
1. NWWDA Industry Standard I.S. 4, Industry Standard for Water-Repellent Preservative treatment for Millwork.
2. NWWDA Industry Standard I.S. 7, Industry Standard for Wood Skylight / Roof Window Units.
1.04 PERFORMANCE REQUIREMENTS
A. Skylights to comply with the minimum performance requirements specified in NWWDA Industry Standard I.S. 7, Grade 60, except where more stringent requirements are specified.
B. Air Infiltration: When tested in accordance with ASTM E 283 at a static pressure of 1.57 psf, total air infiltration to average less than or equal to 0.01 cfm per square foot of unit.
C. Water Penetration: No water penetration beyond the interior face of window unit when tested in accordance with ASTM E 547 at a static pressure of 6.24 psf.
D. Structural Performance: No glass breakage, damage to hardware, or permanent deformation (set) which would cause any malfunction or impair the operation of the unit, or residual deflection greater than 0.4% of span when tested in accordance with ASTM E 330 at a test pressure of 60 psf.
E. Design Criteria: Design and size window components to withstand loads imposed by wind to a pressure of [______] psf when measured in accordance with ASTM E 330. Limit deflection to L/175.
F. Thermal Performance: Fenestration products shall have their thermal performance rated, certified and labeled in accordance with NFRC 100, and shall demonstrate maximum U-values as follows:
1. [Size AA (24" x 48"): High Performance, 0.49; High Performance Sun, 0.51.]
2. [Size BB (48" x 48"): High Performance, 0.41; High Performance Sun, 0.43.]
G. Sound Transmission Ratings: Skylights to provide a sound transmission class (STC) of 30 when tested in accordance with ASTM E 90 and ASTM E 413.
H. Forced Entry Resistance: Window units to comply with requirements for Performance Level 40 when tested in accordance with ASTM F 588.
1.05 SUBMITTALS
A. Product Data, Installation Instructions, Shop Drawings and Samples: Submit the following under provisions of Section 01300 - Submittals:
1. Product Data: Submit manufacturer's product literature for all products and accessories furnished.
2. Installation Instructions: Submit manufacturer's installation instruction sheets for all products and accessories furnished.
3. Detail Drawings: Submit detail drawings indicating location and type of glazing material and typical flashing.
B. Quality Control Submittals: Submit the following under provisions of Section 01400 -Quality Control:
1. Reference List: Submit reference lists as specified under Quality Assurance article.
C. Contract Closeout Submittals: Submit the following under provisions of Section 01700 -Contract Closeout:
1. Owner's Manual: Submit bound manual clearly identified with project name, location and completion date. Identify type and size of skylight units installed. Provide recommendations for periodic inspections, care and maintenance. Identify common causes of damage with instructions for temporary patching until permanent repair can be made.
1.06 QUALITY ASSURANCE
A. Manufacturer Qualifications: Company having at least 10 years experience in the manufacture of roof window products. Provide a reference list of at least 3 projects of similar scale and complexity successfully completed during the past three years. Provide project names, locations, completion dates, names and telephone numbers of General Contractor's and Owner's contact person.
B. Installer Qualifications: Company experienced in the installation of skylight products. Installer to provide a reference list of at least 3 projects of similar scale and complexity successfully completed during the past three years. Provide project names, locations, completion dates, names and telephone numbers of General Contractor's and Owner's contact person.
C. Safety Glazing: Comply with safety glazing requirements of ANSI Z97.1 and CPSC 16CFR 1201.
D. Insulating Glass Units: Provide insulating glass units permanently marked with certification label of Insulating Glass Certification Council (IGCC) indicating compliance with Class CBA.
1.07 DELIVERY, STORAGE AND HANDLING
A. In addition to general delivery, storage and handling requirements specified in Section 01600, comply with the following:
1. Deliver materials to job site in sealed, unopened cartons.
2. Identify each carton with material name, date of manufacture and lot number.
3. Store skylights and accessories off ground, under cover, protected from weather and construction activities.
1.08 PROJECT CONDITIONS
A. Install skylights in strict accordance with safety and weather conditions required by manufacturer's product literature.
PART 2 PRODUCTS
2.01 MANUFACTURERS
A. Andersen Skylights as manufactured by Andersen Corporation, Bayport, Minnesota.
2.02 MATERIALS
A. Skylight Frame Members: Fabricated from a wood species approved in NWWDA Industry Standard I.S. 7.
B. Skylight Sash: Single profile, glass-fiber reinforced polymer conforming to ASTM D 3647 with high durability, polyester urethane coating conforming to the color uniformity, chemical resistance, detergent resistance, and weather resistance requirements of AAMA 603.8.
1. Color: Terratone.
C. Weatherstripping: Continuous, flexible EPDM rubber gasket conforming to ASTM C 864 applied to entire perimeter of skylight frame.
2.03 GLAZING
A. General: Insulating glass units certified through the Insulating Glass Certification Council as conforming to the requirements of IGCC Class CBA or better, when tested in accordance with ASTM E 773 and E 774. Provide dual sealed units consisting of polyisobutylene primary seal and silicone secondary seal. Metal spacers to have bent or soldered corners.
** SELECT BETWEEN THE FOLLOWING STANDARD GLAZING OPTIONS. CONSULT ANDERSEN CORPORATION REPRESENTATIVE FOR ADDITIONAL GLAZING OPTIONS. **
B. High Performance (HP) Low Emissivity , Inert Gas Filled Insulating Glass Units:
1. Glass:
a. Tempered/Tempered: Insulating glass units to consist of inboard and outboard lites of clear tempered glass conforming to ASTM C 1048, Type 1, Class 1, q3, Kind FT.
b. Tempered/Laminated: Insulating glass units to consist of an inboard lite of two layers of clear, annealed glass conforming to ASTM C1036; Type 1, Class 1, q3 quality, laminated with 0.030" clear polyvinyl butyral interlayer and an outboard lite of clear tempered glass conforming to ASTM C 1048, Type 1, Class 1, q3, Kind FT.
2. High Performance (HP)LoE Coating: MSVD (magnetron sputtering vapor deposition) LoE coating applied to the No. 2 surface.
3. Inert Gas Filling: Fill space between glass lites with inert gas (argon) to reduce heat loss. Provide a minimum 97 percent initial fill level.
4. Performance Characteristics:
a. Center of Glass U-value: 0.25 maximum.
b. Visible Light Transmission: 71% minimum.
c. Ultra-violet Transmission: 16% +/- .02%. (Tempered/Tempered)
d. Center of Glass SHGC: .42 +/- .02.
C. High Performance Sun II (HP Sun II) Low Emissivity, Inert Gas Filled Insulating Glass Units:
1. Glass:
a. Tempered/Tempered: Insulating glass units to consist of inboard and outboard lites of clear tempered glass conforming to ASTM C 1048, Type 1, Class 1, q3, Kind FT.
b. Tempered/Laminated: Insulating glass units to consist of an inboard lite of two layers of clear, annealed glass conforming to ASTM C1036; Type 1, Class 1, q3 quality, laminated with 0.030" clear polyvinyl butyral interlayer and an outboard lite of clear tempered glass conforming to ASTM C 1048, Type 1, Class 1, q3, Kind FT.
2. High Performance Sun II (HP Sun II)LoE Coating: Second generation MSVD (magnetron sputtering vapor deposition) LoE coating applied to the No. 2 surface.
3. Inert Gas Filling: Fill space between glass lites with inert gas (argon) to reduce heat loss. Provide a minimum 97 percent initial fill level.
4. Performance Characteristics:
a. Center of Glass U-value: 0.28 maximum.
b. Visible Light Transmission: 38% minimum.
c. Ultra-violet Transmission: 15% +/- 1% for tempered/tempered; 1% +/- 1% for tempered/laminated.
d. Center of Glass SHGC: .30 +/- .02.
2.04 HARDWARE
A. Factory Applied Frame Mounting Brackets: 1/8" x 1-1/2" strip steel formed into 3-1/4" x 3-1/4" angle brackets with zinc dichromate finish.
2.05 FLASHING
A. Flashing: Aluminum flashing with high temperature baked on acrylic finish. Color: Terratone.
1. Shingle-Type Flashing: Use shingle type flashing on roof slopes from 4/12 to 68/12. Auxiliary water deflector is also recommended on slopes above 20/12.
a. Top and Bottom: Pre-formed aluminum (.024 inch) flashing pieces.
b. Side Flashing: Aluminum (.024 inch) step flashing. Install individual pieces at each shingle course.
2. Tile Flashing: Use tile type flashing on roof slopes from 4/12 to 68/12. Auxiliary water deflector is also recommended on slopes above 20/12.
a. Top: Pre-formed aluminum (.024 inch) flashing piece.
b. Bottom: Pre-formed aluminum (.024 inch) flashing piece with attached 2 pound lead apron that can be formed to the tile roof configuration.
c. Side Flashing: Continuous pre-formed aluminum (.024 inch) flashing.
3. Incline Curb Flashing: Use Inclined curb flashing on roof slopes of 2/12 to 4/12.
a. Top and Bottom: Pre-formed aluminum (.024 inch) flashing pieces.
b. Side Flashing: Continuous pre-formed aluminum (.024 inch).
4. Mullion Flashing: Place mullion flashing between adjacent roof window units. Install mullion flashing under frame gasket at roof window frame member. Mullion flashing shall become an integral part of the flashing system.
a. Pre-formed aluminum (.019 inch).
5. Transom Flashing: Place flashing between adjacent roof window units. Install transom flashing under frame gasket at roof window frame member. Transom flashing shall become an integral part of the flashing system.
_ a. Pre-formed and welded aluminum (.031 inch).
6. Auxiliary Water Deflector: Use auxiliary water deflector where roof pitch is 20/12 to 68/12.
a. Pre-formed aluminum (0.024 inch).
2.06 ACCESSORIES
A. Interior Pleated Shades: Fit skylight openings with pleated shades where indicated on Drawings. Provide shades capable of being drawn up out of viewing area by using the standard handle or optional extension pole.
B. Extension Poles: Provide one (1) telescoping 6' to 10' corrosion resistant extension pole with vinyl coated handle for operating pleated shades. Where extension pole use is required, replace shade handle with pole adapter.
2.07 FABRICATION
A. Preservative Treatment: Treat wood sash and frame members after machining with a water repellent preservative in accordance with NWWDA I.S. 4.
B. Glazing: Factory glaze using full beds of high performance silicone glazing sealant at perimeter of both the interior and exterior edges of the insulating glass.
C. Factory apply weatherstripping.
PART 3 EXECUTION
3.01 INSPECTION
A. Inspect opening before installation is commenced.
1. Verify rough opening is square and dimensions are correct.
2. Verify wood framing is dry, clean, sound and well nailed, and/or glued, free of voids and without offsets at joints. Ensure that nail heads are driven flush with all surfaces in opening and within 3" of rough opening.
3.02 PREPARATION
A. Open carton and remove skylight and all parts. Inspect skylight. Verify that skylight is not damaged and all parts are included before disposing of carton.
3.03 INSTALLATION
A. Install skylight units, hardware, accessories and other skylight components according to skylight manufacturer's installation instruction sheets.
B. Attach mounting brackets and center skylight in opening. Set units plumb, level true to line, without warp or rack in frames or sash.
C. Install flashing in accordance with skylight manufacturer's instructions.
D. Apply sealant between frame and rough opening.
E. Extend vapor barrier to interior face of skylight frame and attach.
3.04 INTERIOR FINISHING
A. Finish interior wood skylight components according to skylight manufacturer's instructions.
3.05 ACCESSORIES
A. Pleated Shades: Install pleated shades as recommended by skylight manufacturer.
3.06 CLEANING
A. Clean surfaces to remove dirt. Use cleaning materials specifically recommended by skylight manufacturer.
B. Remove debris from work site.
C. Protect interior and exterior of skylight units until structure is sealed from the weather.