PART 1 GENERAL

1.01     SUMMARY

A.         Section includes furnishing and installing a top-hung sliding-folding aluminum-framed glass door or storefront system that includes:

1.         Aluminum frame

2.         Threshold

3.         Panels

4.         Sliding-folding and locking hardware

5.         Weatherstripping

6.         Glass and glazing

7.         Insect screen

8.         Accessories as required for a complete working installation.

B.         Related Documents and Sections: Contractor to examine Contract Documents for requirements that directly affect or are affected by Work of this Section.  A list of those Documents and Sections include, but is not limited to, the following:

1.         Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 General Requirements, Specification Sections, apply to this Section.

2.         Section 06 10 00, Rough Carpentry: Wood framing R.O. and blocking.

3.         Section 07 27 00, Air Barriers: Building wrap

4.         Section 07 62 00, Sheet Metal Flashing and Trim: Flashing and other sheet metal work.

5.         Section 07 90 00, Joint Protection

6.         Section 08 42 23, Glass Entrance Swing Doors

7.         Section 08 43 29, Sliding Glass Storefronts: NanaWall LS160

8.         Section 08 51 13, Aluminum Windows: NanaWall SL48, tilt-turn, casement window.

9.         Section 09 22 16, Non-Structural Metal Framing: Metal framing R.O. and reinforcement.

10.       Section 10 22 39, Folding Glass Partitions: NanaWall SL45.

11.       Section 10 22 43, Sliding Glass Partitions: NanaWall LS160

1.02     REFERENCES

A.         Reference Standards in accordance with Division 01 and current editions from the following:

1.         AAMA. American Architectural Manufacturers Association; www.aamanet.org

a.         AAMA 503, Voluntary Specification for Field Testing of Newly Installed Storefronts, Curtain Walls, and Sloped Glazing Systems

b.         AAMA 611, Voluntary Specification for Anodized Architectural Aluminum

c.         AAMA 920, Operation / Cycling Performance

d.         AAMA 1303.5, Voluntary Specification for Forced Entry Resistant Aluminum Sliding Glass Doors

e.         AAMA 2604, Voluntary Specifications, Performance Requirements and Test Procedures for High Performance Organic Coatings on Aluminum Extrusions and Panels

f.          AAMA 2605, Voluntary Specifications, Performance Requirements and Test Procedures for Superior Performing Organic Coatings on Aluminum Extrusions and Panels

2.         ANSI. American National Standards Institute; www.ansi.org

a.         ANSI Z97.1, Safety Performance Specifications and Methods of Test for Safety Glazing Material Used In Buildings

3.         ASTM. ASTM International; www.astm.org

a.         ASTM C1036, Standard Specification for Flat Glass

b.         ASTM C1048, Standard Specification for Heat-Strengthened and Fully Tempered Flat Glass

c.         ASTM E283, Test Method for Rate of Air Leakage through Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.

d.         ASTM E330, Test Method for Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.

e.         ASTM E331 Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference

f.          ASTM E413, Classification for Rating Sound Insulation

g.         ASTM E547, Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Cyclic Static Air Pressure Differential.

h.         ASTM E1332, Standard Classification for Rating Outdoor-Indoor Sound Attenuation

4.         CPSC. Consumer Product Safety Commission; www.cpsc.gov

a.         CPSC 16CFR-1201, Safety Standard for Architectural Glazing Materials

5.         DIN. "Deutsches Institut für Normung" (German institute for standardization); www.en-standard.eu/din-standards

a.         DIN 52210-3, Testing of acoustics in buildings - Airborne and impact sound insulation - Laboratory measurements of sound insulation of building elements and field measurements between rooms

b.         DIN 52210-4, Tests In Building Acoustics - Airborne And Impact Sound

6.         FL. Florida Building Commission - Product Approval; https://floridabuilding.org/pr/pr_app_srch.aspx

7.         NFRC. National Fenestration Rating Council; www.nfrc.org

a.         NFRC 100, Procedure for Determining Fenestration Product U-factors

1.03     ADMINISTRATIVE REQUIREMENTS

A.         Coordination: Coordinate Folding Glass Storefront system and framing R.O.

B.         Preinstallation Meetings: See Section 01 30 00.

1.04     SUBMITTALS

A.         For Contractor submittal procedures see Section 01 30 00.

B.         Product Data: Submit manufacturer’s printed product literature for each Folding Glass Storefront system to be incorporated into the Work.  Show performance test results and details of construction relative to materials, dimensions of individual components, profiles and colors.

C.         Shop Drawings: Indicate Folding Glass Storefront system component sizes, dimensions and framing R.O., configuration, swing panels, direction of swing, stacking layout, typical head jamb, side jambs and sill details, type of glazing material, handle height and field measurements.

NOTE:  Add "Delegated-Design Submittal" Paragraph below if design services have been delegated to Contractor. Option is an example only.

 D.        Delegated-Design Submittal: For structural performance of Folding Glass Storefront system, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

D.         Manufacturers' Instructions: Submit manufacturer's installation instructions.

E.         Operation and Maintenance Data: Submit Owner’s Manual from manufacturer. Identify with project name, location and completion date, and type and size of unit installed.

NOTE: Delete the following Article if LEED is not applicable; edit to meet project LEED requirements.

F.         Sustainable Design Submittals (USGBC LEED®): Refer to Section 01 81 15, LEED Design Requirements.

1.         LEED 2009 (v3) Credits. Complete online LEED forms and submit other required materials as follows:

a.         Energy and Atmosphere (EA) Credits:

1).        EA Credit 1 (EAc1): Optimize Energy Performance: System

b.         Materials and Resources (MR) Credits:

1).        MR Credit 1.1 (MRc1.1): Building Reuse - Maintain Existing Exterior Walls, Floors and Roof

2).        MR Credit 1.2 (MRc1.2): Building Reuse - Maintain Existing Interior Nonstructural Elements

3).        MR Credit 2 (MRc2): Construction Waste Management

NOTE: MR Credit 1 above and 3 below can apply to reusing salvaged Folding Glass Storefront.

4).        MR Credit 3: Materials Reuse - 5% (MRc3.1) or 10% (MRc3.2)

NOTE: MR Credit 5 below can apply to projects within 500 miles (805 km) of the NanaWall fabrication shop located in Richmond, CA 94801.

5).        MR Credit 5: Regional Materials: 10% (MRc5.1) or 20% (MRc5.2) Extracted, Processed & Manufactured Regionally

c.         Indoor Environmental Quality (EQ) Credits:

1).        IEQ Credit 2 (IEQc2): Increased Ventilation - Case 2 - Naturally Ventilated Spaces

2).        IEQ Credit 8.1 (IEQc8.1): Daylight & Views - Daylight 75% of Spaces

3).        IEQ Credit 8.2 (IEQc8.2): Daylight & Views - Views for 90% of Spaces

4).        IEQ Credit 9 (LEED for Schools - IEQc9): Enhanced Acoustical Performance

2.         LEED v4 for Building Design and Construction (BD&C) Credits. Complete online LEED forms and submit other required materials as follows:

a.         Energy and Atmosphere (EA) Credits:

1).        EA Credit 2 (EAc2): Optimize Energy Performance

b.         Materials and Resources (MR) Credits:

NOTE: MR Credit 1 below can apply to reusing salvaged Folding Glass Storefront.

1).        MR Credit 1 (MRc1): Building Life-Cycle Impact Reduction; Option 3 - Building and Material Reuse

c.         Indoor Environmental Quality (EQ) Credits:

1).        EQ Credit 7 (EQc7): Daylight

2).        EQ Credit 8 (EQc8): Quality Views

3).        EQ Credit 9 (EQc9): Acoustic Performance

G.         LEED Closeout Documentation:

NOTE: Edit below to meet project LEED requirements.

1.         LEED 2009 (v3). Submit completed LEEDTM submittal Worksheet Templates for the following credits:

a.         EAc1, MRc1.1, MRc1.2, MRc2, MRc3, MRc5, IEQc2, IEQc8.1, IEQc8.2, IEQc9

2.         LEED v4 (BD&C). Submit information and documentation to complete LEEDTM Worksheet Templates for the following credits:

a.         EAc2, MRc1, EQc7, EQc8, EQc9

1.05     QUALITY ASSURANCE

A.         Manufacturer Qualifications: Manufacturer capable of providing complete, precision built, engineered, pre-fitted units with a minimum twenty-five (25) years’ experience in the sale of folding-sliding door systems for large openings in the North American market.

B.         Installer Qualifications: Installer experienced in the installation of manufacturer’s products or other similar products for large openings.  Installer to provide reference list of at least three (3) projects of similar scale and complexity successfully completed in the last three (3) years.

1.         Installer to be trained and certified by manufacturer.

C.         Single Source Responsibility: Furnish Folding Glass Storefront system materials from one manufacturer for entire Project.

1.06     DELIVERY, STORAGE, AND HANDLING

A.         Comply with manufacturer’s instructions and recommendations, Section 01 60 00 requirements, and as follows:

1.         Deliver materials to job site in sealed, unopened cartons or crates.

a.         Upon receipt, inspect the shipment to ensure it is complete, in good condition and meets project requirements.

2.         Store material under cover in a clean and dry location, protecting units against weather and defacement or damage from construction activities, especially to the edges of panels.

1.07     FIELD CONDITIONS

A.         Field Measurements: Contractor to field verify dimensions of rough openings (R.O.) [ and threshold depressions to receive sill. ] Mark field measurements on shop drawing submittal.

1.08     WARRANTY

A.         Manufacturer Warranty: Provide Folding Glass Storefront system manufacturer’s standard limited warranty as per manufacturer’s published warranty document in force at time of purchase, subject to change, against defects in materials and workmanship.

1.         Warranty Period beginning with the earliest of 120 days from Date of Delivery or Date of Substantial Completion: 

a.         Rollers and Glass Seal Failure: Ten (10) years

b.         All Other Components Except Screens: Ten (10) years

1).        Exception: Five (5) years if NOT installed by manufacturer's certified trained installer. 

PART 2 PRODUCTS

2.01     MANUFACTURERS

A.         Basis-of-Design Product by Manufacturer: NanaWall SL45 by NANA WALL SYSTEMS, INC. (www.nanawall.com)

            NANA WALL SYSTEMS, INC.

            100 Meadow Creek Drive, Corte Madera, CA 94925

            Toll Free (800) 873-5673

            Telephone: (415) 383-3148

            Fax: (415) 383-0312

            Email: info@nanawall.com

1.         Substitution Procedures:  See Section 01 20 00; Submit completed and signed:

a.         Document 00 43 25, Substitution Request Form (During Procurement), or

b.         Document 00 63 25, Substitution Request Form (During Construction)

2.02     PERFORMANCE / DESIGN CRITERIA

NOTE:  Add "Delegated-Design" Paragraph below if Contractor is required to assume responsibility for design.

  A.       Delegated Design: Engage a qualified professional engineer, as defined in Section 01 40 00, Quality Requirements, to design the Folding Glass Storefront system according to the following performance requirements:

            1.         (Insert project specific performance / design requirements here.)

 

NOTE: Weeps, when provided, are to be drilled in the field by the installer to manufacturer's requirements.

            Air infiltration and water penetration testing results are only applicable if the unit matches the tested panel and unit size, direction of opening and type of sill.

            Structural load testing results are only applicable for the test unit size and type of locking and rods. 

            Comparative analysis charts published by manufacturer shows which panel sizes, if any, meets the structural loading design pressures specifically required for the project.  Check for limitations on the use of these charts in the jurisdiction of the project.

            Forced entry testing results are only applicable for the test unit type of locking.

            Check for requirements in the jurisdiction of the project.

            See manufacturer’s latest published data regarding performance.

            It is expected that the installed system's performance would be not more than 2/3rds of the following certified laboratory test data in accordance with AAMA 503.

A.         Performance Criteria (Lab Tested):

NOTE: Select one of the three sill types below for Air Infiltration, deleting items not chosen.

1.         Air Infiltration (ASTM E283) - Standard Sill: 

a.         0.27 cfm/ft2 (1.38 L/s/m2) at a static air pressure difference: of 1.57 psf (75 Pa)                    

2.         Air Infiltration (ASTM E283) - Low Profile Saddle:

a.         0.25 cfm/ft2 (1.28 L/s/m2) at a static air pressure difference: of 1.57 psf (75 Pa)

b.         0.78 cfm/ft2 (6.66 L/s/m2) at 6.24 psf (300 Pa)

3.         Air Infiltration (ASTM E283) - Flush Sill: 

a.         0.25 cfm/ft2 (1.28 L/s/m2) at a static air pressure difference: of 1.57 psf (75 Pa)

b.         0.78 cfm/ft2 (6.66 L/s/m2) at 6.24 psf (300 Pa)                

NOTE: Select one of the three sill types below for Water Penetration, deleting items not chosen.

4.         Water Penetration (ASTM E331, ASTM E547) - Standard Sill:

a.         No uncontrolled water leakage at a static test pressure of 1.56 psf (75 Pa).

b.         With water spray at 3.1 gal./ft2/min., no uncontrolled water entry at 2.86 psf (135 Pa)

5.         Water Penetration (ASTM E331, ASTM E547) - Low Profile Saddle with Weeps:

a.         No uncontrolled water leakage at a static test pressure of 3.76 psf (180 Pa).              

6.         Structural Loading (ASTM E330):      

a.         Load Structure: At 1.5 times design wind pressure with no glass breakage or permanent damage to fasteners or storefront components.

b.         Design Pressure w/ Reinforced Locking Unit: Positive and Negative at 35 psf (1675 Pa)

NOTE:  Items below are common to all sill types, except as noted.

7.         Forced Entry (AAMA 1303.5 and AAMA CAWM 300): Meets requirements.

8.         Swing Panel - Operation / Cycling Performance (AAMA 920):           500,000 cycles

9.         Florida Product Approval - Wind Loading (Units with panel sizes up to 3'-7" inch (1.07 m) wide x 10'-0" inch (3.05 m) high) subject to manufacturer size chart:         FL 17645

NOTE:  SL45 Inswing and outswing systems are approved by the State of Florida.

            FL 17645 weblink is:

            https://floridabuilding.org/pr/pr_app_dtl.aspx?param=wGEVXQwtDqvFGYZsjrZ...

10.       Thermal Performance U-factor:          NFRC 100 rated

NOTE:  Use Performance Method for California's Title 24.

B.         LEED Characteristics:

1.         LEED 2009 (v3)

a.         EAc1:   NanaWall systems using low U-Value designed double or triple IGU and thermally broken frames can provide significant energy performance.

b.         MRc1.1: NanaWall exterior glass wall systems, not demolished in a renovation project, are reused in the same location.

c.         MRc1.2: NanaWall interior glass wall systems, not demolished in a renovation project, are reused in the same location.

d.         MRc2:  NanaWall cardboard shipping crates are made of 60% recycled material and are 100% recyclable.

e.         MRc3:  NanaWall's components easily disassemble and reassemble to "Use as salvaged... or reused materials."

f.          MRc5: NanaWall glazing, panel, track and door manufacturing final assembly plant is located in Richmond, CA 94801.

g.         IEQc2:  NanaWall systems provide natural ventilation in the open position, assisting in the 90% required natural ventilation of occupied spaces of ASHRAE 62.1.

h.         EQc8.1: NanaWall glass wall assembly borrowed light brings daylight deeper into the floor plate.

i.          EQc8.2: NanaWall glass wall assemblies provide direct outdoor lines of sight.

j.          IEQc9: (LEED for Schools) For gasketed NanaWall glass wall assemblies with glass units testing at STC 35 or higher.

2.         LEED v4 for Building Design and Construction (BD&C)

a.         EAc2: NanaWall systems using low U-Value designed double or triple IGU and thermally broken frames can provide significant energy performance.

b.         MRc1:  NanaWall can be easily disassembled for salvage and reuse.

c.         EQc7:   NanaWall glass wall assembly borrowed light brings daylight deeper into the floor plate.

d.         EQc8:   NanaWall glass wall assemblies provide direct outdoor lines of sight.

e.         EQc9: NanaWall glass wall assemblies can contribute with system acoustic ratings of 31 dB up to 38 dB reductions.

C.         Design Criteria:

1.         Sizes and Configurations: As indicated by the Drawings for selected number and size of panels, location of swing panels, and location of tracks and stacking bays.

2.         Unit Operation: Adjustable sliding and folding hardware with top and bottom tracks;

a.         [ inswing type. ]

b.         [ outswing type. ]

c.         [ center pivot type. ]

d.         [ inswing and outswing type. ]

3.         Panel Configuration:  

a.         [ Straight ]

b.         [ Segmented curve ]

c.         [ 90º angle turn ]

d.         [ 135º angle turn ]

e.         [ Window/ door combination. ]

4.         Stack Storage Configuration:

a.         [ Inside ]

b.         [ Outside ]

c.         [ Center pivot ]

d.         [ Foldflat® against Wall ]

5.         Mounting Type:           Top hung

6.         Panel Type:      [ Hinged ] [ Unhinged ]

a.         Primary swing panel of paired swing panels, looking from inside, to be on the [ left ] [ right ].

b.         [ Entry/Egress panel hinged to side jamb. ]

7.         Panel Pairing Configuration:  See drawings.

NOTE:  Sizes and Configurations:  http://www.nanawall.com/products/sl45/options

            See manufacturer drawings for selected custom dimensions within maximum frame sizes possible as indicated in manufacturer’s literature.

            See drawings for selected number of panels and configuration.

2.03     MATERIALS

A.         Sliding-Folding Glass Storefront Description: Monumental top-hung system designed for straight runs, segmented angle changes, center pivot, and capable of folding flat against adjacent walls. Manufacturer’s standard frame and panel profiles, with head and floor tracks, side jambs and panels with dimensions as shown on Drawings.

1.         Panels:

a.         Single lite.

NOTE: Single lite above is standard; other options below may require an upcharge.         

b.         [ Horizontal mullion(s) at specified height(s) from the bottom of the panel. ] 

c.         [ Simulated divided lites in pattern as shown on Drawings. ]

2.         Panel Size (W x H):      As indicated.

NOTE:  Maximum panel sizes of 3'-7" x 8'-6" (1.1 x 2.8 m) to 2'-11" x 9'-6" (0.9 x 2.9 M).

3.         Rail Depth:       1-3/4 inch (45 mm)

4.         Head Width:     4-7/8 inch (124 mm)

5.         Head and Jamb Rail Width:    2-1/8 inch (53 mm)

6.         Bottom Rail Width:     

a.         3-9/16 inch (90 mm) overall with 2-1/16 inch (53 mm) rail for standard sill

NOTE: Width above is standard; other options below may require an upcharge.         

a.         [ 2-1/16 inch (53 mm) for Saddle Sill, Flush Sill and Surface mounted Interior Sill ]

b.         [ Manufacturer’s standard kickplate with height indicated. ]

7.         Aluminum Extrusion:   AIMgSi0.5 alloy, 6063-T5 (F-22 - European standard)

a.         Thickness:       0.078 inch (2.0 mm) nominal

8.         Aluminum Finish (including head track covers):

NOTE: Select finish type below, edit to requirements and delete items not used.

a.         Anodized (AAMA 611):           

1).        [ Clear ]

2).        [ Dark Bronze ]

b.         Powder Coat (AAMA 2604):    

1).        Color as chosen from manufacturer's powder coating finish chart from

a).        [ manufacturer's standard selection of 50 colors - matte. ]

b).        [ manufacturer's full RAL selection. ]

i.          [ High Gloss ]

ii.         [ Matte ]

c).        [ custom finish. ]

c.         PVDF Coat (AAMA 2605):        Fluoropolymer Kynar with color to match custom finish.

B.         Glass and Glazing:

1.         Safety Glazing: In compliance with ANSI Z97.1 and CPSC 16CFR 1201.

NOTE:  For storefront units requiring acoustic performance keep the following paragraph. Edit to suit project conditions.

a.         Glass Acoustical Performance (DIN 52210-3,4):         Rw (STC)

NOTE:  Acoustical ratings listed below are for the glass only and not the full panel system. Based on actual testing of STC 36 glass with the SL45 system, the unit STC will most likely be within 2 dB of the glass STC rating when the frame is added.

1).        [ 28; 1/4 inch (6 mm) single, tempered glass ]

2).        [ 35; 1/4 inch (6 mm) single, laminated glass ]

3).        [ 37; 1/4 inch (6 mm) single, laminated glass w/ sound enhanced interlayer ]

4).        [ 31; 3/4 inch (20 mm) double IGU, air-filled, tempered glass ]

NOTE: Unlike wet glazing, NanaWall's standard dry glazing method helps reduce instances of seal failure.

2.         Manufacturer’s [ tempered ] [ and ] [ laminated ] glass lites in [ double ] [ triple ] insulated glazing units, dry glazed with glass stops on the inside.

NOTE: Select and edit glass type(s) to meet building code, wind-load design, acoustic, bullet resistant and/or security, and other project requirements with other glass available from manufacturer.

            Anti-fall glazing available where required.

            IGU glazing is capable of meeting 2010 Energy Star requirements of a U-factor < 0.32 and SHGC < 0.30 for all climate zones.

            Custom layouts with horizontal mullions, simulated divided lites, inserts, and high bottom rails are possible.

            Contact NanaWall for availability of other commercial glass types.

a.         Glass Lite / Insulated Glass Unit (IGU):         

1).        [ Single:           1/4 inch (6 mm) thick. ]

2).        [ Double IGU:   3/4 inch (20 mm) thick. ]

a).        IGU Fill:           < insert IGU fill >         

i.          [ Low-E ]

ii.         [ Argon filled ]

iii.        [ Air filled ] 

b).        Glass Spacers: Manufacturer’s standard [ gray ] [ dark bronze ] finish; [ without ] [ with ] capillary tubes.

b.         Glass Treatment:         < insert glass type >

1).        Standard

NOTE:  Items below are options and may require an upcharge.

2).        [ Low iron ]

3).        [ Solar bronze ]

4).        [ Solar gray ]

5).        [ Ornilux bird safe ]

C.         Locking Hardware and Handles:

NOTE:  Select one of the below Main Entry Panel paragraphs WITH or WITHOUT Swing Panels, deleting all others.  Edit to suit project requirements.

1.         Main Entry [ Pair of ] Panel(s) for Models WITH Swing Panel(s): Provide manufacturer’s standard lever handles on the inside and outside and a lockset with a lockable latch and multi-point locking with a dead bolt and rods at the top and bottom on primary panel only.

a.         Rods to be concealed and not edge mounted.

b.         After turn of key or thumbturn, depression of handles withdraws latch.

c.         Lifting of handles engages rods and turn of key or thumb turn engages deadbolt and operates lock.

d.         [ Secondary Swing Panel: Provide two-point locking with flat handles on inside only for secondary swing panel. ]

e.         Lever Handle - Finish:

1).        Brushed satin stainless steel

NOTE:  Handle above is standard; other options below may require an upcharge.

            ADA handle only available in "Brushed satin stainless steel."

2).        [ Titanium black stainless steel ]

3).        [ Oil rubbed bronze solid brass ]

4).        [ Satin nickel solid brass ]

5).        [ White solid brass ]

f.          Locking:

1).        Standard profile cylinder

2).        Adapter for Small Format Interchangeable Core (SFIC)

2.         Main Entry Panel For Models WITH a [ Pair of ] Swing Panel(s): Provide lever handles on the inside and outside with single action, emergency egress, interconnected lock.

3.         Main Entry [ Pair of ] Panel(s) for Models WITH Swing Panel(s): Provide manufacturer’s push-pull handles with separate lockset and dead bolt.

4.         Main Entry [ Pair of ] Panel(s) for Impact Models WITH Swing Panel(s): Provide manufacturer’s push-pull handles with one point locking at the top and bottom consisting of locking rods turned by a removable or flat handle.

NOTE:  Option above is recommended with a door closer but, in order to slide the swing panel, it needs to be attached to a side jamb or disengaged.

a.         Push-pull handles in a brushed stainless steel finish and stainless steel flat handles in a [ brushed satin finish. ] [ titanium black finish. ]

5.         Main Entry [ Pair of ] Panel(s) for Models WITH [ Single ] [ Paired ] Swing Panel(s): Field installed panic device(s) by Section 08 71 00.

NOTE:  Using panic device hardware by others invalidates manufacturer's design wind-load pressure test.

6.         Main Entry [ Pair of ] Panel(s) for Inswing Models WITHOUT Swing Panel(s): Provide manufacturer’s standard L-shaped handle on the inside, flat handle on the outside and lock set with profile cylinder Operation of lock set is by turn of key from the outside and with a thumbturn from the inside with a two point locking hardware operated by 180º turn of the handle.

a.         L-Shaped Handles - Finish:

1).        Brushed satin stainless steel

NOTE:  Handle above is standard; other options below may require an upcharge.

1).        [ Titanium black stainless steel ]

7.         Main Entry [ Pair of ] Panel(s) for Outswing Models WITHOUT Swing Panel(s): Provide manufacturer’s standard flat handle on the inside and a lock set with a profile cylinder on the outside. Operation of lock set is by turn of key from the outside and from the inside with a two point locking hardware operated by 180º turn of the handle.

NOTE:              Key operation from the inside may not meet egress requirements.

8.         Main Entry [ Pair of ] Panel(s) for Models WITHOUT Swing Panel(s): Provide manufacturer’s standard flat handle on inside only with concealed two point locking hardware operated by 180º turn of handle.

NOTE:              Note that with the option above, the main entry panel is operable from inside only and that there is no latch.

            Other compatible lever, L-shaped and push-pull handle styles and finishes are available from other suppliers.

9.         Secondary Swing Panels and Pairs of Folding Panels: Provide manufacturer’s [ flat handles ] [ removable custodial handles ] and concealed one or two-point locking hardware operated by 180º turn of handle.

a.         Face applied flush bolt locking not acceptable (except for units with paired panels).

10.       Flat Handle - Finish:

a.         Brushed satin stainless steel

NOTE:  Handle above is standard; other options below may require an upcharge.

b.         [ Titanium black stainless steel ]

c.         [ Powder coated aluminum with color finish to match frame. ]

NOTE: Finishes to match are closest matches available by the manufacturer.                              Review for acceptability.         

11.       Handle Height: 41-3/8 inch (105 cm) centered from bottom of panel or as otherwise indicated.

12.       [ Aluminum ] [ Stainless steel (impact) ] locking rods with standard fiberglass reinforced polyamide end caps at the top and bottom. Rods to have a stroke of 15/16 inch (24 mm).

13.       Additional profile cylinders to be [ keyed alike. ] [ keyed differently. ]

D.         Sliding- Folding Hardware: Provide manufacturer’s standard combination sliding and folding hardware with top and bottom tracks.

1.         For each pair of folding panels, provide independent cardanic suspension for four (4) wheeled rollers coated with fiberglass reinforced polyamide upper running carriage and lower guide carriage.

2.         Swing Panel Hinges:

a.         Zinc die cast with finish closest match to finish of frame and panels and stainless steel security hinge pins with set-screws. 

NOTE:  Zinc die cast above is standard; stainless steel option below has an upcharge.

            Finishes to match are closest matches available by the manufacturer.                              Review for acceptability.         

b.         [ Stainless steel hinges and security hinge pins with set-screws. ]

3.         Adjustment: Provide 1/16 inch (1.5 mm) in width per hinge adjustments without removing panels from tracks and without needing to remove panels from tracks.

NOTE:              Select from the following Sill types, edit to suit and delete those not meeting project requirements.

4.         Sill Type: < insert sill type >   

a.         [ Standard flush sill (thermally broken) ]

b.         [ Alternate flush sill (not thermally broken) ]

c.         [ Low profile saddle sill (thermally broken) ]

d.         [ Surface mounted interior sill (not thermally broken) ]

e.         Finish: Aluminum with

1).        [ a clear anodized finish. ]

2).        [ a dark bronze anodized finish. ]

3).        [ finish to match panel. ]

f.          Cover plate over sill NOT acceptable.

E.         Weatherstripping:  Manufacturer’s double layer EPDM between panels, EPDM gasket and Q-lon gasket, or brush seal between panel and frame, or brush seals with a two-layer fiberglass reinforced polyamide fin attached at both inner and outer edge of bottom of door panels with a recessed sill or on frame for sealing between panels and between panel and frame.

NOTE: The manufacturer's weatherstripping is determined at the factory by the direction of swing, the panel configuration, the type of locking and the type of sill.

F.         Fasteners: Stainless steel screws for connecting frame components.

2.04     FABRICATION

A.         Extruded aluminum frame and panel profiles, corner connectors and hinges, sliding and folding hardware, locking hardware and handles, glass and glazing and weatherstripping components needed to construct a folding glass wall.

1.         Each unit factory pre-assembled and shipped with all components and installation instructions.

2.         Exposed work to be carefully matched to produce continuity of line and design with all joints.

3.         No raw edges visible at joints.

2.05     ACCESSORIES

A.         Provide sidelights, transoms, corner posts, or single or double doors as indicated.

NOTE: Screen ONE is ‘non-pleated’ while Screen Classic is ‘pleated.’                                             Select ‘ONE’ or 'Classic,' deleting option not chosen.

B.         Insect Screen Panels: Fully retractable non-pleated screen made of ultra-strong, UV resistant fiberglass mesh housed in a single cartridge riding on a single track.

1.         Basis of Design Product by Manufacturer: Screen ONE or an Architect acceptable equivalent subject to project requirements.

2.         Finish - Aluminum Top Track, Side Jambs and Vertical Struts:

a.         White powder coated

b.         [ Clear anodized ]

c.         [ Black powder coated ]

d.         [ Classic bronze powder coated ]

NOTE:  Above options are standard.  Check with NanaWall regarding other available finishes, which may require an upcharge.      

C.         Insect Screen Panels: A series of top-hung collapsible pleated UV resistant fiberglass mesh screen panels riding on a single narrow ADA compliant 1/4 inch (5 mm) floor track. Each 4 inch (10 cm) wide vertical cassette can expand to 3’-3” (1 m) wide.

1.         Basis of Design Product by Manufacturer: Screen Classic or an Architect acceptable equivalent subject to project requirements.

2.         Finish - Aluminum Top Track, Side Jambs and Vertical Struts:

a.         White powder coated

b.         [ Clear anodized ]

c.         [ Dark bronze anodized ]

NOTE: Above options are standard.  Check with NanaWall regarding powder coated and other available finishes, which may require an upcharge.      

d.         [ Powder coated with color as selected by architect. ]

3.         Screen Track Stacking: [ Within opening ] [ Extended beyond opening ]

PART 3 EXECUTION

3.01     EXAMINATION

A.         Examination and Acceptance of Conditions per Section 01 70 00 and as follows:

1.         Carefully examine rough openings with Installer present, for compliance with requirements affecting Work performance.

a.         Examine surfaces of openings and verify dimensions; verify rough openings are level, plumb, and square with no unevenness, bowing, or bumps on the floor; and other conditions as required by the manufacturer to receive Work.

b.         Verify the structural integrity of the header for deflection with live and dead loads limited to the lesser of L/720 of the span or 1/4 inch (6 mm). Provide structural support for lateral loads, and both wind load and eccentric load when the panels are stacked open.

2.         Proceed with installation only after unsatisfactory conditions have been corrected.

3.02     INSTALLATION

A.         General: Install Folding Glass Storefront system in accordance with the Drawings, approved submittals, manufacturer’s recommendations and installation instructions, and as follows:

1.         Properly flash, waterproof and seal around opening perimeter.

2.         Securely attach anchorage devices to rigidly fit frame in place, level, straight, plumb and square.  Install frame in proper elevation, plane and location, and in proper alignment with other work

3.         When lower track is designed to drain, provide connections to allow for drainage.

4.         Install panels, handles, lockset, screens and other accessories in accordance with manufacturer’s recommendations and instructions.

3.03     FIELD QUALITY CONTROL

A.         Field Tests and Inspections per Section 01 40 00 of the following:

1.         Verify the Folding Glass Storefront system operates and functions properly.  Adjust hardware for proper operation.

B.         Non-Conforming Work: Repair or replace non-conforming work as directed by the Architect; see General and Supplementary Conditions, and Division 01, General Requirements.

3.04     CLEANING AND PROTECTION

A.         Keep units closed and protect Folding Glass Storefront installation against damage from construction activities.

B.         Remove protective coatings and use manufacturer recommended methods to clean exposed surfaces.

 

 

End of Section

END OF SECTION

DISCLAIMER:

            Nana Wall Systems, Inc. takes no responsibility for product selection or application, including, but not limited to, compliance with building codes, safety codes, laws, or fitness for a particular purpose. This guide specification is not intended to be verbatim as a project specification without appropriate modifications for the specific use intended and the particular requirements of a specific construction project.

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