Model 2030 Operable Walls - 3" Hinged Pairs w/ Glass Insert

2.02 PANEL CONSTRUCTION

1. Panel Dimensions: Standard panel dimension shall be a nominal 3" [76] thick.

1. Panel Frame: Vertical steel frame members shall be minimum 18-gauge galvanneal steel, horizontal top cross member shall be minimum 12-gauge galvanneal steel, which meets or exceeds ASTM A 653 requirements. Frame shall be all-welded construction with steel corner supports and cross-bracing reinforcements. Panel frame shall be Class A rated fire retardant, non-combustible and non-corrosive in accordance with ASTM E 84.

1. Panel Skins: Panel skins shall be Class A rated (except Wood Veneer and High-Pressure Laminate) in accordance with ASTM E 84. Panel skin material shall consist of (select):

1. Standard Acoustical Substrate: consisting of structural acoustical substrate pressure laminated to both sides of the steel frame to form a rigid, unitized and structural panel.

1. Optional Steel Skins: consisting of minimum 22-gauge tension-leveled galvanneal steel, pressure laminated to a structural acoustical backer and too the steel frame to form a rigid, unitized and structural panel.

1. Optional Wood Veneer: consisting of particle board core covered with wood veneer and pressure laminated to both sides of the steel frame to form a rigid, unitized and structural panel.

4. Optional High- Pressure Laminate: consisting of gypsum board core covered with general purpose plastic laminate and Phenolic backer sheet, which is pressure laminated to both sides of the steel frame to form a rigid, unitized and structural panel.

*Optional Wood Veneer or High-Pressure Laminate only available as Acoustical Substrate Construction.

1. Optional Glass (2030GL): Opening cut out in panel shall be glazed with insulated glass that is manufactured in accordance with ASTM E 2190. Glass type shall be an acoustical insulated glass unit. Glass shall be retained in opening cut out using an aluminum extrusion.
2. 43 STC - 1 3/4" Overall Thickness, 1/4" Tempered Glass - 1" Air Space - 1/4" Tempered Glass

1. 48 STC –1 7/8” Overall Thickness, 1/4" Tempered Glass - 1" Air Space – 3/8" Tempered Glass

E. Panel Hinges: Panel hinges shall be (select)

1. Architectural grade, full leaf butt hinges.

Hinges shall be attached to the steel frame of the panel and reinforced with a steel backer plate.

1. Panel Weight: Maximum panel weight shall be 6.5 – 12.0 lb./ft.² (32 – 59 kg/m²) depending on STC rating, size and options selected.

2.03 OPERATION

A. Operation shall be Hinged Pairs, consisting of panels hinged together in groups of two (2), unless otherwise specified. Panels shall be top-supported by one (1) carrier in each panel

2.06 PERIMETER TRIM AND SEALS

A. Vertical Trim and Seals: Panels shall have vertical astragals containing flexible vinyl seals and incorporate reversible tongue-and-groove-type configurations for positive interlocking with adjacent panels. Vertical astragal type shall be (select):

1. Standard Trimless Astragal: consisting of an aluminum extrusion with tongue-and-groove-type vertical astragals. Vertical trim shall not be permitted on the panel faces, resulting in a minimal groove appearance between adjacent panels.

2. Optional Cap-type Astragal: consisting of an aluminum extrusion with tongue-and groove-type vertical astragals for encapsulating and protecting the finish material and substrate along the vertical edge of the panel.

B. Horizontal Top Trim and Seals: Top seals shall consist of flexible vinyl sweep seals installed on both sides of the panel. The seals shall consist of a compressed bulb between two (2) fingers of vinyl. Top seal type shall be (select):

1. Standard Fixed Top Seals: consisting of continuous-contact flexible vinyl sealing against the bottom flange of the overhead track.

C. Horizontal Bottom Trim and Seals: Bottom seals shall consist of multiple fingers of flexible vinyl for positive contact and sealing with various floor surfaces. Bottom seal type shall be (select):

1. Standard Operable Bottom Seals: consisting of an edge-activated seal using a removable wrench as supplied by manufacturer. Bottom seals shall provide 2" [50.8] of nominal travel.

3. Optional Automatic Bottom Seals: consisting of self-activated seals providing 2” [50.8] of nominal travel.

D. Horizontal and Vertical Panel Trim: All exposed panel trim and hinges shall be of one (1) similar color (select):

1. Dark Bronze.

2. Grey.

2.07 CLOSURE SYSTEMS

A. Initial Closure System: The lead panel (the first panel exiting the stack) shall form a seal vertically against a rigid wall surface, as accomplished by a (select):

1. Standard Bulb Seal: consisting of continuous-contact, flexible vinyl bulb seals installed along the vertical edge of the lead panel for positive compression against a rigid wall surface.

1. Optional Fixed Starter Jamb: consisting of an aluminum extrusion, which is permanently mounted to a structural wall surface. The Fixed Starter Jamb shall incorporate a tongue-and-groove-type vertical astragal for positive interlocking with the lead panel.

3. Optional Adjustable Starter Jamb: consisting of an aluminum extrusion which is permanently mounted to a structural wall surface and is field-adjustable to compensate for out-of-plumb conditions of the fixed wall. The Adjustable Starter Jamb shall incorporate a tongue-and-groove-type vertical astragal for positive interlocking with the lead panel.

B. Final Closure System: The final closure panel (the last panel exiting the stack) shall form a seal vertically against a rigid wall surface. The type of final closure panel shall be (select):

1. Standard Expander Panel Closure: consisting of an expander mechanism with a nominal 5" [127] of travel, activated from the face of the panel using a removable wrench as supplied by manufacturer. The Expander Panel shall be equipped with an adjustable bottom seal (standard) or (optional) operable bottom seal, and a flush pull handle.

Note: Optional Automatic Bottom Seal is not available in conjunction with Final Closure panel(s).

2.08 ACOUSTICAL PERFORMANCE

A. Certification: The operable wall shall have been tested in an independent acoustical testing laboratory in accordance with ASTM E 90 and ASTM E 413 test procedures.

1. STC Rating: The operable wall acoustical performance rating shall be based on (select):

1. Standard Acoustical Substrate: with a standard rating of 49 STC, or optional ratings of 42 STC, 45 STC or 50 STC.

2. Optional Steel Skins: with optional ratings of 49 STC or 51 STC.

(Note: Not available with optional Wood Veneer or High-Pressure Laminate.)

1. Optional Glass Insert (2030GL): with a standard rating of 38 STC.

2.09 PANEL ACCESSORIES

A. Accessories including Pass Doors; Single or Double, Keyed Cylinder Locks, Concealed Door Closures, Room Viewers, Exit Signs, Dry Marker Writing Surfaces, Recessed Eraser Trays, Vision Lites, Tack Surfaces and Pocket Doors shall be compatible with other accessories and options, furnished and installed by the operable wall manufacturer as noted on submitted shop drawings.

2.10 TRACK SYSTEMS

A. Track Type: The operable wall track system shall be (select):

1. Standard Hinged Pairs Aluminum Track: extruded from structural aluminum alloy, which prohibits deterioration caused by rust or corrosion. The aluminum track shall have a durable anodized clear satin finish, which resists color fading and flaking. The track shall utilize grooves and interlocking steel pins for positive alignment of adjacent track sections. The track joints shall be reinforced overhead by a heavy-duty steel bracket made of hot-rolled, 3/8" [10] thick plate steel. Aluminum track shall include an integral nut slot to accept a hardened steel square nut to facilitate attachment of each steel all-rod and splice brackets to the overhead structural support.

2. Optional Hinged Pairs Steel Track: consisting of roll-formed, low carbon steel, .215" [5] thick. The steel track shall have a durable powder-coated, off-white finish, which resists color fading and flaking. The steel track shall be reinforced overhead by heavy duty steel brackets made of hot-rolled, 3/8" [10] thick plate steel, as required for attaching threaded all-rod to the overhead structural support and for aligning track sections at each splice joint.

B. Track Size: The track size shall be (selected from Track and Carrier Selection Chart – refer to Page 1):

1. Type 425 Hinged Pairs Aluminum Track: certified to be capable of supporting up to 525 lb. (238 kg) of total live load weight per panel.

1. Type 850 Hinged Pairs Aluminum Track: certified to be capable of supporting up to 850 lb. (386 kg) of total live load weight per panel.

3. Type 850 Hinged Pairs Steel Track: certified to be capable of supporting up to 850 lb. (386 kg) of total live load weight per panel.

2.11 CARRIER SYSTEMS

A. Carrier Type: Each Hinged Pair panel shall be top supported by one (1) carrier utilizing a 5/8" [16] diameter pendant bolt. The carrier type shall be (select):

1. Type 425 Polymer Tire Carrier: consisting of four (4) permanently lubricated, precision ball bearing steel wheels with high strength polymer tires, as required for smooth and quiet operation.

1. Type 850 Polymer Tire Carrier: consisting of eight (8) permanently lubricated, precision ball bearing steel wheels with high strength polymer tires, as required for smooth and quiet operation.

3. Type 850 Steel Wheel Carrier: consisting of four (4) permanently lubricated, precision ground ball bearing polished steel wheels, as required for ease of panel movement.