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SECTION 10 22 26

OPERABLE PARTITIONS

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** NOTE TO SPECIFIER ** Modernfold, Inc., operable partitions.
.
This section is based on the products of Modernfold, Inc., which is located at:
215 W. New Road
Greenfield, IN 46140
Tel: (800) 869-9685
Fax: (317) 468-6760
Email:
[click here] for additional information.
Modernfold Acousti-Seal Operable Partitions are movable flat wall products that are best used when excellent sound performance and an attractive appearance are primary considerations. Available in a variety of electrically and manually operated configurations, they can be matched to the user's needs for performance, appearance, and ease of operation.
See our SpecWizard: Click Here

PART 1 GENERAL

1.1 SECTION INCLUDES

** NOTE TO SPECIFIER ** Delete items below not required for project.

A. Single panel partitions, 3 inch (76 mm) thick panels.

B. Single panel partitions, 4 inch (108 mm) thick panels.

C. Single panel partitions, fire-rated.

D. Single panel glass partitions, 4 inch (102 mm) thick panels..

E. Paired panel partitions, 3 inch (76 mm) thick panels.

F. Paired panel partitions, 4 inch (102 mm) thick panels.

G. Paired panel partitions, fire-rated.

H. Paired panel partitions, floor-supported.

I. Continuously hinged panel partitions, electric operation.

1.2 RELATED SECTIONS

** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.

A. Section 03 30 00 - Cast-in-Place Concrete.

B. Section 05 50 00 - Metal Fabrications.

C. Section 06 10 00 - Rough Carpentry.

D. Section 09 21 16.23 - Gypsum Board Shaft Wall Assemblies.

E. Section 09 21 16.23 - Gypsum Board Shaft Wall Assemblies.

1.3 REFERENCES

** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.

A. ASTM E 90 (UL 723) - Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.

B. ASTM E 413 - Classification for Rating Sound Insulation.

C. ASTM E 557 - Standard Practice for the Installation of Operable Partitions.

D. ASCE 7 - Minimum Design Loads of Buildings and Other Structures

E. CAN/ULC-S102M - Flame Spread Rating of a Ceiling Material.

F. NFPA 70 - National Electrical Code.

G. UL 508A - Industrial Control Panels.

1.4 SUBMITTALS

A. Submit under provisions of Section 01 30 00 - Administrative Requirements.

B. Product Data: Material descriptions, construction details, finishes, installation details, and operating instructions for each type of operable partition, component, and accessory specified.

C. Shop Drawings: Show location and extent of operable partitions. Include plans, elevations, sections, details, attachments to other construction, and accessories. Indicate dimensions, weights, conditions at openings, and at storage areas, and required installation, storage, and operating clearances. Indicate location and installation requirements for hardware and track, including floor tolerances required and direction of travel. Indicate blocking to be provided by others.

D. Setting Drawings: Show imbedded items and cutouts required in other work, including support beam punching template.

E. Samples: Color samples demonstrating full range of finishes available. Verification samples shall be available in same thickness and material indicated for the work.

F. Manufacturer's Certificates: Certify products meet or exceed specified requirements.

G. Closeout Submittals: Provide manufacturer's maintenance instructions that include recommendations for periodic checking and maintenance of all components.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: Experienced installer, certified by the operable partition manufacturer, as qualified to install the manufacturer's partition systems for work similar in material, design, and extent to that indicated for this Project.

B. Acoustical Performance: Test operable partitions in accordance with ASTM E 90 test procedure to attain no less than the STC rating specified. Provide a complete and unedited written test report by the testing laboratory upon request.

C. Preparation of Opening: Conform to ASTM E 557.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Clearly mark packages and panels with numbering systems used on Shop Drawings. Do not use permanent markings on panels.

B. Protect panels during delivery, storage, and handling to comply with manufacturer's instructions and as required to prevent damage.

1.7 WARRANTY

A. Provide operable partition manufacturer's written warranty agreeing to repair or replace components with manufacturing defects for a period of two years.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: Modernfold, Inc., which is located at: 215 W. New Rd.; Greenfield, IN 46140; Toll Free Tel: 800-869-9685; Tel: 317-468-6700; Fax: 866-410-5016; Email: request info (); Web: www.modernfold.com

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.

B. Substitutions: Not permitted.

C. Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.

** NOTE TO SPECIFIER ** Select from the following paragraphs based on partition type or Model number. Refer to specifier notes within each paragraph for additional selections.

2.2 SINGLE PANEL PARTITIONS, THREE INCH (76 MM) THICK PANELS

A. Product: Acousti-Seal 931 Operable Partition by Modernfold, Inc., manually operated individual flat panels, top supported with operable floor seals.

1. Final closure:

** NOTE TO SPECIFIER ** Delete two of the following three paragraphs.

a. Horizontally expanding panel edge with removable crank.

b. Dual horizontally expanding panel edge with removable crank.

c. Horizontally expanding panel edge with hinged panel closure with removable crank.

d. Hinged panel closure.

e. Enclose.

f. Pass Door Closure.

B. Panel Construction and STC Rating: Nominal 3 inch (76 mm) thick in manufacturer's standard 48 inch (1220 mm) width by height required, with horizontal and vertical framing elements fabricated from 18 gage formed steel with overlapped and welded corners; reinforced top channel to support suspension system components; frame with concealed formed steel at vertical edges.

** NOTE TO SPECIFIER ** Select one panel skin from choices below, delete others.

1. Panel Skin: 1/2 inch (12.7 mm) tackable 100 percent recycled gypsum board, class A rated single material or composite layers continuously bonded to panel frame with minimum STC as follows:

** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.

a. STC 28.

b. STC 41.

c. STC 47.

d. STC 50.

2. Panel Skin: 1/2 inch (12.7 mm) tackable 100 percent recycled moisture and mold resistant gypsum board, class A rated single material or composite layers continuously bonded to panel frame with minimum STC as follows:

** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.

a. STC 28.

b. STC 41.

c. STC 47.

d. STC 50.

3. Panel Skin: 1/2 inch (12.7 mm) NAUF medium density fiberboard, single material or composite layers continuously bonded to panel frame with minimum STC as follows:

** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.

a. STC 28.

b. STC 41.

c. STC 47.

d. STC 50.

4. Panel Skin: 22-gage steel faced 1/2 inch (12.7 mm) gypsum board, Class "A" rated single or composite layers continuously bonded to panel frame with minimum STC as follows:

** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.

a. STC 28.

b. STC 45.

c. STC 50.

d. STC 52.

5. Hinges for Closure Panels, Pass Doors and Pocket Doors: Full leaf butt hinges, attached directly to panel frame with welded hinge anchor plates within panel to further support hinge mounting to frame. Hinges mounted into panel edge or vertical astragal are not acceptable. Hinges provided with lifetime warranty.

6. Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.

7. Panel Weight: As standard with manufacturer for STC selected, 6 to 8.5 lbs/SF.

C. Panel Finish and Exposed Trim: Factory applied as follows:

** NOTE TO SPECIFIER ** Select panel finish from choices below, delete others.

1. Panel Finish: Reinforced vinyl with woven backing weighing not less than 21 oz./lineal yd.

2. Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 oz./lineal yd.

3. Panel Finish: Acoustical, non-woven needle punch carpet, with fused fibers to prevent unraveling or fray of material.

4. Panel Finish: Wall covering and upholstery fabric with surface treatment to resist stains.

5. Panel Finish: Customer's own material (subject to factory approval).

6. Panel Finish: Full height tackboard.

** NOTE TO SPECIFIER ** Select one of the two following paragraphs, delete other choices.

a. Covering: Vinyl.

b. Covering: Fabric.

c. Substrate: 1/4 inch (6.35 mm) natural cork tack board.

7. Panel Finish: Full height marker board work surface.

8. Panel Finish: High pressure plastic laminate on MDF board.

9. Panel Finish: Wood veneer on MDF board.

10. Panel Finish: Uncovered for field finishing.

11. Panel Finish: Primed for field painting.

** NOTE TO SPECIFIER ** Select panel trim color from choices below, delete other choices.

12. Exposed Panel Trim Color: Dark Bronze.

13. Exposed Panel Trim Color: Smoke Gray.

14. Exposed Panel Trim Color: Natural Choice.

D. Sound Seals and Bottom Seals:

1. Vertical Interlocking Sound Seals Between Panels: Roll-formed steel astragals, with reversible tongue and groove configuration in each panel edge for universal panel operation. Rigid plastic or aluminum astragals or astragals in only one panel edge are not acceptable.

2. Horizontal Top Seals: Continuous contact extruded vinyl bulb shape with pairs of non-contacting vinyl fingers to prevent distortion without the need for mechanically operated parts.

** NOTE TO SPECIFIER ** Select one bottom floor seal from choices below, delete others.

3. Horizontal Bottom Floor Seals: Modernfold IA2 Bottom Seal. Automatic operable seals providing nominal 2 inches (51 mm) operating clearance with an operating range of plus 1/2 inch (12.7 mm) to minus 1-1/2 inches (38 mm) which automatically drop as panels are positioned without the need for tools or cranks.

4. Horizontal Bottom Floor Seals: Modernfold IM2 Bottom Seal. Manually activated operable bottom seals with self contained handle providing nominal 2 inches (51 mm) operating clearance with an operating range of plus 1/2 inch (12.7 mm) to minus 1-1/2 inches (38 mm), operable from either panel edge to permit multiple panel positioning and reversible operation.

5. Horizontal Bottom Floor Seals: Modernfold IC2 Bottom Seal. Manually activated operable bottom seals with removable handle providing nominal 2 inches (51 mm) operating clearance with an operating range of plus 1/2 inch (12.7 mm) to minus 1-1/2 inches (38 mm), operable from either panel edge to permit multiple panel positioning and reversible operation.

E. Suspension System:

** NOTE TO SPECIFIER ** Select type of track from choices below, delete other choices. Refer to track details and layout in the catalog or on the website.

1. Suspension System: Modernfold No. 17 Suspension System - 'Smart Track':

a. Track: Nominal 11 gage formed steel track, suitable for direct mounting to wood header or supported by adjustable steel hanger brackets, supporting the load-bearing surface of the track, connected to structural support by pairs of 3/8 inch (9.52 mm) diameter threaded rods.

b. Exposed Track Soffit: Steel, integral to track and pre-painted off-white. Wood or aluminum soffits are not acceptable.

c. Carriers: Two all-steel trolleys for each panel with steel tired ball-bearing wheels, with suspension system with automatic indexing of panels into stack area using pre-programmed switches and trolleys without electrical, pneumatic, or mechanical activation. Non-steel tires are not acceptable.

2. Suspension System: Modernfold No. 17 Suspension System - Right Angle Turn:

b. Exposed Track Soffit: Steel, integral to track and pre-painted off-white. Wood or aluminum soffits are not acceptable.

c. Carriers: Two carriers of low-friction polymer reinforced with steel that permit panels to traverse L, T and X intersections without mechanical switching at all panels except hinged panels.

3. Suspension System: Modernfold RT200 Suspension System - Right Angle Turn/Multi-Directional:

a. Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (9.52 mm) diameter threaded rods.

b. Exposed Track Soffit: Aluminum, integral to the track with pre-painted off white finish.

c. Carriers: Horizontal counter-rotating wheels with oversized heavy duty thrust steel bearings. Carriers shall permit panels to traverse L, T and X intersections without mechanical switching.

4. Suspension System: Modernfold RT100 Suspension System - Right Angle Turn/Multi-Directional:

a. Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (9.52 mm) diameter threaded rods.

b. Exposed Track Soffit: Aluminum, integral to the track with pre-painted off white finish.

c. Carriers: Horizontal counter-rotating wheels with oversized heavy-duty thrust steel bearings. Carriers to permit panels to traverse L, T and X intersections without mechanical switching.

5. Suspension System: Modernfold No. 14 "Smart Track" Suspension System:

a. Track: Nominal 7 gage formed steel track with adjustable steel hanger brackets supporting the load bearing surface of the track, connected to structural support by pairs of 1/2 inch (12.7 mm) diameter threaded rods; no failure of track or brackets at 5,000 lb (2268 kg) static point loading at mid-span with brackets at 48 inch (1220 mm) centers.