*TO FINISH SPECIFICATION:1. Read then delete comments in *stars*. 2. Add or delete options in (parentheses). 3. Replace preceding standards with options in [brackets] or delete options in [brackets]. 4. Revise paragraph numbers and/or letters, as necessary.*

 

SECTION 08520 - ALUMINUM WINDOWS

 

PART 1 - GENERAL

 

1.01  SECTION INCLUDES

 

A.     Material: aluminum windows as on the drawings and specified in this section. 

 

B.     Installation: labor, tools, and material needed to install aluminum windows.

 

C.     Glass and glazing.

 

(1.02  PRODUCTS FURNISHED BUT NOT INSTALLED)

*Enter description, e.g., extra sash sets to be supplied and stored for the future*

 

(1.03  PRODUCTS INSTALLED BUT NOT FURNISHED)

*Enter description, e.g., louver supplied by others to be installed in new window*

 

1.04  RELATED SECTIONS - Section 07900 - Sealants

 

1.05  REFERENCES

 

A.     AAMA - American Architectural Manufacturers Association

 

1.      AAMA/NWWDA 101/I.S.2-97 “Voluntary Specifications for Aluminum, Vinyl (PVC) and Wood Windows and Glass Doors”

 

2.      AAMA 502-90 "Voluntary Specification for Field Testing of Windows and Sliding Glass Doors"

 

3.      AAMA 611-98 "Voluntary Specification for Anodized Architectural Aluminum"

 

4.      AAMA 701-92 "Voluntary Specification for Pile Weatherstripping"

 

5.      AAMA 800-92 "Voluntary Specifications and Test Methods for Sealants"

 

6.      AAMA 902-98 “Voluntary Specification for Sash Balances”

 

7.      AAMA 1503-98 "Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors, and Glazed Wall Sections"

 

8.      AAMA 2603-98 “Voluntary Specification, Performance Requirements and Test Procedures for Pigmented Organic Coatings on Aluminum Extrusions and Panels”

 

9.      AAMA 2604-98 “Voluntary Specification, Performance Requirements and Test Procedures for High Performance Organic Coatings on Aluminum Extrusions and Panels”

 

10.  AAMA 2605-98 “Voluntary Specification, Performance Requirements and Test Procedures for Superior Performing Organic Coatings on Aluminum Extrusions and Panels”

 

11.  AAMA CW-10-97 "Care and Handling of Architectural Aluminum from Shop to Site"

 

B.     ASCA - Architectural Spray Coaters Association - ASCA 96 “Voluntary Specification for Superior Performance of Organic Coatings on Architectural Aluminum Curtainwall, Extrusions and Miscellaneous Aluminum Components”

 

C.     ASTM - American Society for Testing and Materials

 

1.      ASTM E 283-91 "Standard Test Method for Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors"

 

2.      ASTM E 330-96 "Standard Test Method for Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference"

 

3.      ASTM E 331-96 "Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference"

 

4.      ASTM E 547-96 "Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Cyclic Static Air Pressure Differential"

 

5.      ASTM E 774-92 "Specification for Sealed Insulating Glass Units"

 

1.06  SYSTEM DESCRIPTION

 

A.     AAMA Designation: H-C50.

 

B.     Windows: 3 1/4" frame depth; extruded aluminum with integral structural polyurethane thermal break in the frame and sash members; equal leg [flange] frame; finish factory-applied; frames and sash factory-assembled.

 

C.     Configuration: double hung; [double hung-to-double hung with continuous head and sill] [three-lite with bottom sash fixed]; top and bottom sash side load for removal, after extending the concealed jamb take-out clips.

 

D.     Glazing: 7/8" insulating glass [single lites in non-thermal sash]; reuseable flexible PVC channel gasket with weep holes; glass description in paragraph 2.04; factory-glazed.

 

1.07  PERFORMANCE REQUIREMENTS

 

A.     Conformance to H-C50 specifications in AAMA/NWWDA 101/I.S.2-97 when tests are performed on the prescribed 4'6" x 7'6" minimum test size with the following test results:

 

1.      Air Infiltration: maximum .10 cfm/square foot when tested per ASTM E 283-91 at a static air pressure difference of 1.57 psf.

 

2.      Water Penetration: no uncontrolled water leakage when tested per ASTM E 547-96 and ASTM E 331-96 at a static air pressure difference of 7.5 psf.

 

3.      Uniform Structural Load: no glass breakage, permanent damage to fasteners or hardware or any other damage which would cause the window to be inoperable, and maximum .4% permanent deformation of the span of any frame or sash member when tested per ASTM E 330-96 at a static air pressure difference of 75 psf.

 

B.     Thermal testing per AAMA 1503.1-88, at the prescribed 4'0" x 6'0" test size glazed with 7/8” insulating glass made with 1/8” clear and 1/8” Low E lites and argon gas, with the following test results:

 

1.      Condensation Resistance Factor: minimum 49 frame and 60 glass CRF.

 

2.      Thermal Transmittance: maximum .47 BTU/HR/SQ.FT/F U value.

 

1.08  SUBMITTALS

 

A.     Shop drawings: window location chart; typical window elevations; details of assemblies, hardware, and glazing details for factory-glazed units.

 

B.     Product data: manufacturer's specifications and test reports from an AAMA-accredited laboratory.

 

C.     Samples: each specified finish for aluminum; other samples as requested.

 

1.09  QUALITY ASSURANCE

 

A.     Submit for prebid approval ten days prior to bid opening a sample window representing the bid window except for color and valid test reports from an AAMA-accredited laboratory conforming to test results in Paragraph 1.07.

 

B.     Acceptance will be by addendum only as no verbal approvals will be allowed.

 

C.     Submit bid on prequalified products in prebid written addendum. Bidder must identify manufacturer and model of product on which the bid is based.

 

D.     Furnish a valid AAMA “Notice of Product Certification” indicating that the windows for the project conform to AAMA/NWWDA 101/I.S.2-97.

 

E.      Furnish visible, permanent IGCC certification labels for the CBA rating level on  double insulating glass units.

 

F.      Manufacturer's warranties:

 

1.      Windows: warrant for one year against defects in material or workmanship under normal use.

 

2.      Insulating glass units: warrant seal for five years *Contact TRACO for other time frames* against visual obstruction from film formation or moisture collection between internal glass surfaces, excluding that caused by glass breakage or abuse.

 

3.      Paint finish: PPG…

 

*Enter the following for an ASCA 96/AAMA 2605 fluoropolymer paint finish*

 

…DURANAR™  organic finish conforming to ASCA 96 and AAMA 2605-98: warrant for fifteen years against chipping, peeling, cracking, chalking, or fading.

 

*Or enter the following for an AAMA 2604 durable acrylic paint finish*

 

…ACRYNAR™  organic finish conforming to AAMA 2604-98: warrant for ten years against chipping, peeling, cracking, chalking, or fading.

 

*Or enter the following for an AAMA 2603 acrylic paint finish*

 

…DURACRON™ organic finish conforming to AAMA 2603-98: warrant for five years against chipping, peeling, or cracking.

 

(G.  Project Survey: *Contact TRACO to register before project bid date* by installer and manufacturer’s representatives; one year after date of completion; to recommend maintenance procedures.)

 

1.10  DELIVERY, STORAGE, AND HANDLING - Handle and protect windows and accessories in accordance with AAMA CW-10-97 until project completion.       

 

PART 2 - PRODUCTS

 

2.01  MANUFACTURERS

 

A.     TRACO TR-5700 Double Hung Side Load Thermal Aluminum Window

 

B.     Other acceptable manufacturers who have demonstrated a successful history of manufacturing for *Enter number* years equivalent products:

 

1.      *Enter appropriate information as required*

 

2.      *Enter appropriate information as required*

 

2.02  MATERIALS

 

A.     Aluminum extrusions: produced from commercial quality 6063-T5 alloy; free from defects impairing strength and durability.

 

B.     Hardware: aluminum [white bronze pole-operated] head snap lock; sill aluminum snap locks; integral extruded aluminum keeper groove (; zinc cam meeting rail lock - one per window under 48" wide, two on wider windows).

 

C.     Weatherstrip: secured in extruded ports; double rows on sash perimeters: rigid PVC weatherseal in one side of the vertical stiles, one flexible thermoplastic rubber bulb+flap seal in bottom sash lift rail in contact with exterior frame sill, and pile conforming to AAMA 701-92 with polypropylene center fin in the remaining locations.

 

D.     Balances: block and tackle conforming to AAMA 902-92 and of appropriate capacity to hold sash stationary and permit smooth operation.

 

*For optional screens, enter either “E.  Insect screens” or “E.  Protection screens”*

 

(E.  Insect screens: half [full]; held in exterior integral extruded tracks with two stainless steel leaf springs; 5/16" x 1 1/2" x .045" extruded tubular aluminum frame with finish to match window in color and performance; corners mitered, reinforced with gussets, and crimped; 18 x 16 dark fiberglass [aluminum] mesh secured to frame with PVC spline.)

 

(E.  Protection screens: full; held by a top full-width aluminum hinge and two bottom automatic slide latches released from interior; extruded .078” tubular aluminum frame with same finish as window: 1-1/16” x 1-11/16” rails, 1-1/16” x 1-3/8” stiles, 1-1/16” x 2-1/4” mid-height brace bar; corners fastened with tamper-resistant screws; *Enter color and material for woven wire mesh or perforated sheet metal * secured with interior pressure plates fastened with screws concealed with aluminum cover plates.)

 

2.03 FABRICATION

 

A.     Frame: head and sill coped and fastened to jambs with two stainless steel screws per frame corner; corners factory-sealed with sealant conforming to AAMA 800-92.

 

B.     Sash: tubular horizontal sash rails coped and fastened to vertical sash stiles with a telescope-design joint secured with two stainless steel screws per sash corner; corners factory-sealed with sealant conforming to AAMA 800-92.

 

C.     Sash design: continuous extruded pull-down rail on top sash exterior and interior, and lift rail on bottom sash interior; mechanical meeting rail interlock; sash bypass for glass cleaning; weep holes for drainage.

 

2.04  DOUBLE INSULATING GLASS UNITS

 

A.     Construction

 

1.      Perimeter sealant: silicone-modified polyurethane.  

 

2.      Air space: aluminum; corner keys; desiccant (; argon-filled).

 

B.     Exterior glass lite

 

1.      Thickness: 1/8" [3/16"] [1/4"].

 

2.      Tint: clear [bronze] [gray].

 

3.      Type: annealed [tempered] [laminated *Enter interlayer and lite descriptions*] [heat-strengthened].

 

(4. Coating: solar-reflective.)

 

C.     Interior glass lite

 

1.      Thickness: 1/8" [3/16"] [1/4"].

 

2.      Tint: clear [pattern #62 obscure].

 

3.      Type: annealed [tempered] [laminated *Enter interlayer and lite descriptions*] [heat-strengthened].

 

(4. Coating: pyrolitic Low E on #3 surface.)

 

D.     Performance

 

1.      Seal durability: conformance to ASTM E 774-92; visible, permanent IGCC certification label for CBA rating level.

 

(2. Other: *Enter U value, etc., information as required*)

 

 [2.04  TRIPLE INSULATING GLASS UNITS]

 

A.     Construction

 

1.      Dual perimeter sealants: polyisobutylene and polyurethane. 

 

2.      Air spaces: two continuous galvanized steel spacers; no corner keys; desiccant.

 

B.     Exterior glass lite

 

1.      Thickness: 1/8" [3/16"].

 

2.      Tint: clear [bronze] [gray].

 

3.      Type: annealed [tempered] [heat-strengthened].           

 

C.     Internal film: Southwall Heat Mirror™ #SC75.

 

D.     Interior glass lite

 

1.      Thickness: 1/8" [3/16"].

 

2.      Tint: clear [pattern #62 obscure].

 

3.      Type: annealed [tempered] [heat-strengthened].

 

(E. Performance: *Enter U value, etc., information as required*)

 

 [2.04  MONOLITHIC VISION LITES]

 

A.     Thickness: 1/8" [3/16"] [1/4"].

 

B.     Tint: clear [bronze] [gray] [pattern #62 obscure].

 

C.     Type: annealed [tempered] [laminated *Enter interlayer and lite description*] [heat-strengthened] [1/4 " clear wired *Enter pattern*] [polycarbonate *Enter description*].

 

(D. Coating: solar-reflective [pyrolitic Low E on #2 surface].)

 

(E. Performance: *Enter transmittance information as required*)

 

2.05  FINISH ON ALUMINUM EXTRUSIONS

 

A.     Application: on clean extrusions free from serious surface blemishes; on exposed surfaces visible when installed product's operating sash are closed.

 

*Enter the following for an ASCA 96/AAMA 2605 fluoropolymer paint finish*

 

B.     Coating: PPG DURANAR™ with resin containing 70% fluoropolymer; thermosetting; alternative finishes will not be acceptable.

 

C.     Quality standard: conforming to ASCA 96 and AAMA 2605-98, including 10 years Florida exposure and 4000 hours humidity tests.

 

D.     Pretreatment: five-stage; zinc chromate conversion coating.

 

E.      Application: electrostatic spray and oven bake by approved applicator.

 

F.      Coating quantity: minimum one primer coat and one color coat.

 

G.     Dry film thickness: minimum 1.2 mils on exposed surfaces, except inside corners and channels.

 

H.     Color: chosen from manufacturer's standards.

 

*Or enter the following for an AAMA 2604 durable acrylic paint finish*

 

B.     Coating: PPG ACRYNAR™ with durable acrylic resin; thermosetting; alternative finishes will not be acceptable.

 

C.     Quality standard: conforming to AAMA 2604-98, including 5 years Florida exposure and 3000 hours humidity tests.

 

D.     Pretreatment: five-stage; zinc chromate conversion coating.

 

E.      Application: electrostatic spray and oven bake by approved applicator.

 

F.      Coating quantity: minimum one primer coat and one color coat.

 

G.     Dry film thickness: minimum 1.4 mils on exposed surfaces, except inside corners and channels.

 

H.     Color: chosen from manufacturer's standards.

 

*Or enter the following for an AAMA 2603 acrylic paint finish*

 

B.     Coating: PPG DURACRON™  with acrylic resin; thermosetting.

 

C.     Quality standard: conforming to AAMA 2603-98, including 1 year Florida exposure and 1500 hours humidity tests.

 

D.     Pretreatment: five-stage; zinc chromate conversion coating.

 

E.      Application: electrostatic spray and oven bake by approved applicator.

 

F.      Coating quantity: one color coat.

 

G.     Dry film thickness: minimum .8 mils on exposed surfaces, except inside corners and channels.

 

H.     Color: chosen from manufacturer's standards.

 

 *Or enter the following for an AAMA 611 clear anodize finish*

 

B.     Coating: clear anodize.

 

C.     Quality standard: conforming to AAMA 611-98.

 

D.     Thickness: AAM10C22A41 Class I - .7 mils #215 [AAM10C22A31 Class II - .4 mils #204].

 

*Or enter the following for an AAMA 611 color anodize finish*

 

B.     Coating: color anodize.

 

C.     Quality standard: conforming to AAMA 611-98.

 

D.     Thickness: AAM10C22A44 Class I - .7 mils.

 

E.      Color: #313 dark bronze [#311 light bronze] [#312 medium bronze] [#315 black].

 

(2.06  INSTALLATION ACCESSORIES)

 

A.     Material: extruded aluminum; nominal .062” wall; with exposed surfaces finished to match window color and finish performance; concealed fasteners; required weatherseals; designed for unrestricted expansion and contraction.

 

B.     Exterior: (wrap around panning;) (preset panning;) (two-piece mullion cover;) (two-piece head and jamb receptor with thermal break;) (subsill with thermal break and end dams;) (sill cover;) (slip-on expanders).

 

C.     Interior: (two-piece snap trim;) (stool cover).

 

D.     Mullions: with thermal break; (stack;) (offset stack;) (three-piece).

    

PART 3 - EXECUTION