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	SECTION 10650
	OPERABLE PARTITIONS
	** 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: info@modernfold.com Additional product data and info 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.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete types below not relevant to this project.
		A.	Single panel partitions, 3 inch (76 mm) thick panels.
		B.	Single panel partitions, 4 inch (102 mm) thick panels.
		C.	Single panel partitions, fire-rated.
		D.	Paired panel partitions, 3 inch (76 mm) thick panels.
		E.	Paired panel partitions, 4 inch (102) thick panels.
		F.	Paired panel partitions, fire-rated.
		G.	Paired panel partitions, floor-supported.
		H.	Continuously hinged panel partitions, manual operation.
		I.	Continuously hinged panel partitions, electric operation.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete sections below not relevant to this project; add others as required.
		A.	Section 03300 - Cast-In-Place Concrete; concrete tolerances required.
		B.	Section 05500 - Metal Fabrications; primary structural support, including pre-punching of support members by steel supplier in accordance with template supplied by operable partition supplier's template.
		C.	Section 06100 - Rough Carpentry; wood framing and supports, and blocking at head and jambs as required.
		D.	Section 09260 - Gypsum Board Assemblies; metal framing and gypsum board wall systems adjacent to operable partitions, including blocking and insulation.
		E.	Section 09260 - Gypsum Board Assemblies; wall and ceiling framing at head and jambs.
	1.3	REFERENCES
		A.	ASTM E 90 - Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.
		B.	ASTM E 557 - Standard Practice for the Installation of Operable Partitions.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		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 to Architect. Verification samples shall be available in same thickness and material indicated for the work.
	1.5	QUALITY ASSURANCE
		A.	Installer Qualifications: An experienced installer who is certified in writing 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	MANUFACTURER
		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; Email: request info; Web: www.modernfold.com
		B.	Requests for substitutions will be considered in accordance with provisions of Section 10650.
	** 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. Final closure:
	** NOTE TO SPECIFIER ** Delete two of the following three paragraphs.
			1.	Horizontally expanding panel edge with removable crank.
			2.	Hinged panel closure.
			3.	Angle jamb.
		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 (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			2.	Panel Skin: 1/2 inch (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			3.	Panel Skin: 1/2 inch (13 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 41.
				b.	STC 47.
				c.	STC 50.
			4.	Panel Skin: Roll-formed steel wrapping around panel edge. Panel skins lock-formed and welded directly to the frame for unitized construction 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.
	** NOTE TO SPECIFIER ** Delete one of the two following paragraphs. Soss is available for steel skin panel only.
			5.	Hinges for Closure Panels, Pass Doors and Pocket Doors: Full leaf butt hinges, attached directly to the 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.
			6.	Hinges for Closure Panels, Pass Doors and Pocket Doors: SOSS Invisible laminate hinge with antifriction segments mounted between each heat treated link. Welded internal hinge bracket shall support hinge and allow for adjustment of hinge plates. Concealed hinges mounted into panel edge or vertical astragal are not acceptable.
			7.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			8.	Panel Weight: As standard with manufacturer for STC selected, 6 to 11 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 choice.
				a.	Covering: Vinyl.
				b.	Covering: Fabric.
				c.	Substrate: 1/4 inch (6 mm) natural cork tack board.
			7.	Panel Finish: Full height chalkboard work surface.
			8.	Panel Finish: Full height marker board work surface.
			9.	Panel Finish: High pressure plastic laminate on MDF board.
			10.	Panel Finish: Wood veneer on MDF board.
			11.	Panel Finish: Uncovered for field finishing.
			12.	Panel Finish: Primed for field painting.
	** NOTE TO SPECIFIER ** Select exposed panel trim color from choices below, delete other choices.
			13.	Exposed Panel Trim Color: Dark Bronze.
			14.	Exposed Panel Trim Color: Smoke Gray.
			15.	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 (13 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 (13 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 (13 mm) to minus 1-1/2 inches (38 mm), operable from either panel edge to permit multiple panel positioning and reversible operation.
			6.	Horizontal Bottom Floor Seals: Modernfold IC4 Bottom Seal. Manually activated operable bottom seals with removable handle providing nominal 4 inches (102 mm) operating clearance with an operating range of plus 1/2 inch (13 mm) to minus 3-1/2 inches (89 mm), operable from either panel edge to permit multiple panel positioning and reversible operation.
		E.	Suspension System and Soffits:
	** 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 either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners 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:
				a.	Track: Nominal 11 gage formed steel track, suitable for either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners 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:
				a.	Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Aluminum, integral to the track with clear anodized 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:
				a.	Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Aluminum, integral to the track with clear anodized 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: Two all-steel trolleys with steel tired ball-bearing wheels for each panel except closure panels, with automatic indexing of panels into stack area using pre-programmed switches and trolley's without electrical, pneumatic, or mechanical activation. Non-steel tires are not acceptable.
		F.	Special Components:
	** NOTE TO SPECIFIER ** Select special components such as pass doors and work surfaces from list below and delete components not required.
			1.	Single Pass Door: Standard hollow metal door hung in a steel frame, prime painted for field finishing. ADA compliant pass door with friction latch and flush pulls for panic operation, located in the center panel of a three-panel group. Threshold is not acceptable.
			2.	Single Pass Door: Same thickness and appearance as panels. Trimless ADA compliant pass door with friction latch and flush pulls for panic operation. Threshold is not acceptable.
			3.	Double Pass Door: Standard hollow metal doors hung in a steel frame equipped with friction latch and flush pulls for panic operation, prime painted for field finishing. Center post is not acceptable. Threshold is not acceptable.
			4.	Double Pass Door: Matching pass door same thickness and appearance as the panels, trimless with friction latch and flush pulls for panic operation. Center post is not acceptable. Threshold is not acceptable.
			5.	Work Surfaces: Tack board, Nominal 1/4 inch (6.35 mm) corkboard covered with vinyl or fabric, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			6.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			7.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			8.	Finished End Caps: Finished end caps at 90 degrees and 135 degrees.
			9.	Partition Interface: Intersecting partition interface.
			10.	Door Closures: Automatic door closures.
			11.	Exit Signs: Self-Illuminated exit signs.
			12.	Window Insets: Glazed.
			13.	Window Insets: Unglazed.
			14.	Panic Hardware: Code-compliant panic hardware.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
			1.	STC: Non-Rated.
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type I single door hinged to a jamb on one side as required.
			5.	Manual Operation: Type IV bi-fold door hinged to a jamb on one side as required.
			6.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			7.	Panel Skin: Match adjacent panels.
			8.	Hinges: Match adjacent panels.
			9.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			10.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			11.	Panel Weight: As standard with manufacturer for STC selected, 6 to 8 pounds per sq ft.
	2.3	SINGLE PANEL PARTITIONS, FOUR INCH (102 MM) THICK PANELS
		A.	Product: Acousti-Seal 941 Operable Partition by Modernfold, Inc., manually operated individual flat panels, top supported with operable floor seals.
		B.	Panel Construction and STC Rating: Nominal 4 inch (102 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.
			1.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction with minimum STC 55.
			2.	Hinges for Closure Panels, Pass Doors and Pocket Doors: Full leaf butt hinges, attached directly to the 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.
			3.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			4.	Panel Weight: As standard with manufacturer for STC selected, 13 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 choice.
				a.	Covering: Vinyl.
				b.	Covering: Fabric.
				c.	Substrate: 1/4 inch (6 mm) natural cork.
			7.	Panel Finish: Full height chalkboard work surface.
			8.	Panel Finish: Full height marker board work surface.
			9.	Panel Finish: Uncovered for field finishing.
			10.	Panel Finish: Primed for field painting.
	** NOTE TO SPECIFIER ** Select exposed panel trim color from choices below, delete other choices.
			11.	Exposed Panel Trim Color: Dark Bronze.
			12.	Exposed Panel Trim Color: Smoke Gray.
			13.	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 (13 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 (13 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 IC4 Bottom Seal. Manually activated operable bottom seals with removable handle providing nominal 4 inches (102 mm) operating clearance with an operating range of plus 1/2 inch (13 mm) to minus 3-1/2 inches (89 mm), operable from either panel edge to permit multiple panel positioning and reversible operation.
		E.	Suspension System and Soffits:
	** 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 either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners 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:
				a.	Track: Nominal 11 gage formed steel track, suitable for either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners 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:
				a.	Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Aluminum, integral to the track with clear anodized 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:
				a.	Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Aluminum, integral to the track with clear anodized 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: Two all-steel trolleys with steel tired ball-bearing wheels for each panel except closure panels, with automatic indexing of panels into stack area using pre-programmed switches and trolley's without electrical, pneumatic, or mechanical activation. Non-steel tires are not acceptable.
		F.	Special Components:
	** NOTE TO SPECIFIER ** Select special components such as pass doors and work surfaces from list below and delete components not required.
			1.	Single Pass Door: Standard hollow metal door hung in a steel frame, prime painted for field finishing. ADA compliant pass door with friction latch and flush pulls for panic operation, located in the center panel of a three-panel group. Threshold is not acceptable.
			2.	Double Pass Door: Matching pass door same thickness and appearance as the panels, trimless with friction latch and flush pulls for panic operation. Center post is not acceptable. Threshold is not acceptable.
			3.	Work Surfaces: Tack board, minimum 1/4 inch (6.35 mm) corkboard covered with vinyl or fabric, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			5.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			6.	Finished End Caps: Finished end caps at 90 degrees and 135 degrees.
			7.	Door Closures: Automatic door closures.
			8.	Exit Signs: Self-Illuminated exit signs.
			9.	Panic Hardware: Code-compliant panic hardware.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
			1.	STC: Non-Rated.
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type I single door hinged to a jamb on one side as required.
			5.	Manual Operation: Type IV bi-fold door hinged to a jamb on one side as required.
			6.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			7.	Panel Skin: Match adjacent panels.
			8.	Hinges: Match adjacent panels.
			9.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			10.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			11.	Panel Weight: As standard with manufacturer for STC selected, 9 pounds per sq ft.
	2.4	Product: MOVEO Operable Partition by Modernfold, Inc, Partitions shall consist of a series of individual flat panels that are top supported, manually operated, and sealed by electrically operated top and bottom seals and an expanding jamb.
	** NOTE TO SPECIFIER ** Glass available up to 13 feet (3962 mm) tall. Delete if not required.
	2.5	Glass Panel Construction and STC Rating: Nominal 4 inch (102 mm) thick in width and height as required. Horizontal and vertical framing members shall be fabricated from aluminum extrusions and mechanically fastened. Frame shall be designed to minimize exposure on face of panels.
		A.	Panel Faces: 5/16 inch (8 mm) glass on one face and 3/8-inch (10 mm) glass on the other face, mechanically fastened and sealed in frame.
	** NOTE TO SPECIFIER ** Delete appearance not required.
			1.	Appearance: Clear.
			2.	Appearance: Tinted.
			3.	Appearance: Refer to Glass Schedule.
		B.	Sound Transmission Class: 45 minimum STC when tested in accordance with ASTM E90 and classified in accordance with ASTM E413.
		C.	Panel Trim: Clear anodized aluminum to protect edge of glass.
	** NOTE TO SPECIFIER ** Delete blind if not required.
		D.	Blinds:
			1.	Fabrication: Clear anodized aluminum slats suspended on nylon ladders.
			2.	Installation: Install between panes of glass.
			3.	Operation: Raising and tilt of slats shall be electrically operated. All blinds in an operable partition shall operate in unison.
			4.	Control: Key switch.
		E.	Closure panels for glass partitions shall be non-glass (solid) panels.
	** NOTE TO SPECIFIER ** Non-glass available up to 29 feet- 5 inches (8966 mm) tall. Delete if not required.
	2.6	Solid (Non-Glass) Panels: Horizontal and vertical framing members shall be fabricated from aluminum extrusions and mechanically fastened. Frame shall be designed to minimize exposure on face of panels.
		A.	Panel Faces: 3/8-inch (10 mm) thick medium density fiberboard continuously bonded to aluminum panel frame.
	** NOTE TO SPECIFIER ** Delete finish not required.
		B.	Finish: High Pressure Plastic Laminate:
			1.	Type: NEMA LD3, 0.04-inches thick.
			2.	Flame Spread: 200 maximum for laminate, adhesive, and substrate tested in accordance with UL 723. Maximum. Smoke Developed index: 450.
			3.	Flame Spread: CAN/ULC-S102M:150.
	** NOTE TO SPECIFIER ** Delete color and pattern not required.
			4.	Color and Pattern: ____________.
			5.	Color and Pattern: As selected by Architect from partition manufacturer’s standard colors.
			6.	Color and Pattern: To match __________.
		C.	Finish: Wood Veneer - American Ash.
		D.	Finish: Wood Veneer - Birch.
		E.	Finish: Wood Veneer - Cherry.
		F.	Finish: Wood Veneer - Oak.
		G.	Finish: Wood Veneer - Mahogany.
		H.	Finish: Wood Veneer - Maple.
		I.	Finish: Wood Veneer - Walnut.
	** NOTE TO SPECIFIER ** Edit below for each of the wood veneer finish selected. Delete if not required.
		J.	Cut: Plain sliced.
		K.	Veneer Matching: Book matching within each panel.
		L.	Veneer Matching: Book matching across full width of partition.
		M.	Veneer Matching: Slip matching within each panel.
		N.	Veneer Matching: Slip matching across full width of partition.
		O.	Veneer Matching: Random.
		P.	Finish: Shop-Applied: Clear varnish.
		Q.	Finish: Field-Applied: As specified in Division 09 Sections.
		R.	Provide veneers from sustainably managed forests and maintain a Forest Stewardship Council (FSC)-certified chain of custody.
	2.7	Panel Size:
		A.	Thickness: Nominal 4-inch (100 mm).
	** NOTE TO SPECIFIER ** Delete width not required.
		B.	Width: 23-5/8-inch (600 mm) to 48-inch (1219 mm).
		C.	Width: Standard Panels 48-inches (1219 mm).
		D.	Width: Width shown on Drawings.
	** NOTE TO SPECIFIER ** Delete closure panel not required.
		E.	Closure Panels: Sizes and locations as required by opening.
		F.	Closure Panels: Sizes and locations as shown on Drawings.
	** NOTE TO SPECIFIER ** Delete height not required.
		G.	Height: As shown on Drawings.
		H.	Height: As shown in Schedule.
	2.8	Panel Seals and Closures:
		A.	Vertical Seals: Extruded aluminum with interlocking convex/concave astragals with resilient quad-lip gaskets. Rigid plastic astragals or astragals with gaskets on only one panel edge are not acceptable.
		B.	Horizontal Top and Bottom Seals: Modernfold ComforTronic. Seals shall operate electrically without tools or cranks. They shall extend when partition is in expanded position and exert adequate force to acoustically seal top and bottom of panels. Seals shall retract when partition is being closed to provide 7/8-inch (22.2 mm) operating clearance.
			1.	Acoustical Gaskets: Polyurethane.
			2.	Locations: Provide on all panels and pass doors.
		C.	Jambs: Expanding Jambs.
		D.	Motors: Low voltage, overall system UL listed. System wiring shall be plenum rated.
	** NOTE TO SPECIFIER ** Delete if not required.
		E.	Intersecting Partition Interface: Provide as required by manufacturer.
	2.9	Suspension System and Soffits:
	** NOTE TO SPECIFIER ** Delete suspension system not required.
		A.	Suspension System: Modernfold G-150 Suspension System.
			1.	Track: Extruded aluminum. Finish: Pre-painted off-white. Supported by adjustable steel hanger brackets, supporting the load-bearing surface of the track, connected to structural support by pairs of 3/8 inch (9.5 mm) diameter threaded rods.
			2.	Exposed Track Soffit: Metal, removable for service and maintenance, attached without exposed fasteners and pre-painted off-white.
			3.	Carriers: Two stainless-steel trolleys for each panel with vinyl 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.
		B.	Suspension System: Modernfold No. 14 "Smart Track" Suspension System:
			1.	Track: Minimum 0.18-inch (4.57 mm) thick 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 (13 mm) diameter threaded rods.
			2.	Soffit: MDF, removable for service and maintenance, attached to track bracket with exposed fasteners, and pre-painted off-white.
			3.	Carriers: Metal trolleys with four steel tires.
			4.	Suspension system shall provide automatic indexing of panels into stack area using pre-programmed switches and trolleys without electrical, pneumatic, or mechanical activation.
	2.10	Special Components:
	** NOTE TO SPECIFIER ** Delete if not required.
		A.	Single Pass Door: Fabrication shall be same as for solid (non-glass) panels. ADA compliant pass door. Butt hinges. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Delete door lock not required.
			1.	Lockable Doors: Provide lever handles both sides and deadbolt operated from push side. Prepare deadbolt for lock cylinder(s) specified in Division 08.
			2.	Lockable Doors: Provide lever handles both sides and deadbolt operated from pull side. Prepare deadbolt for lock cylinder(s) specified in Division 08.
			3.	Lockable Doors: Provide lever handles both sides and deadbolt operated from both sides. Prepare deadbolt for lock cylinder(s) specified in Division 08.
	** NOTE TO SPECIFIER ** Delete double pass door if not required.
		B.	Double Pass Door: Center post is not acceptable. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Delete exit sign not required.
		C.	Exit Signs: Self-Illuminated photo luminescent red exit signs as indicated or required.
		D.	Exit Signs: Self-Illuminated photo luminescent green exit signs as indicated or required.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Delete if not required.
	2.11	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., 3 inches (76 mm) thick constructed with steel framing with 1/2-inch (13 mm) thick MDF skins. Room side finish as scheduled. Closet side finish shall be paint.
	2.12	SINGLE PANEL PARTITIONS, FIRE-RATED
		A.	Product: Acousti-Seal 911 Fire-Rated Operable Partition by Modernfold, Inc., manually operated series of flat panels, top supported with operable floor seals, UL 1-hour (B rating).
		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.
			1.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction with minimum STC as follows:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
				a.	STC: 45.
				b.	STC: 50.
				c.	STC: 52.
			2.	Hinges for Closure Panels for Steel Panels: Full leaf butt hinges, attached directly to the 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.
			3.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			4.	Panel Weight: As standard with manufacturer for STC selected, 8 to 11 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 chalkboard work surface.
			7.	Panel Finish: Full height dry markerboard work surface.
			8.	Panel Finish: Uncovered for field finishing.
			9.	Panel Finish: Primed for field painting.
	** NOTE TO SPECIFIER ** Select exposed panel trim color from choices below, delete other choices.
			10.	Exposed Panel Trim Color: Dark Bronze.
			11.	Exposed Panel Trim Color: Smoke Gray.
			12.	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 ceramic fiber with woven ceramic fabric covering and no 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 (13 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 (13 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 IC4 Bottom Seal. Manually activated operable bottom seals with removable handle providing nominal 4 inches (102 mm) operating clearance with an operating range of plus 1/2 inch (13 mm) to minus 3-1/2 inches (89 mm), operable from either panel edge to permit multiple panel positioning and reversible operation.
		E.	Suspension System and Soffits:
	** 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 either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners 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:
				a.	Track: Nominal 11 gage formed steel track, suitable for either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners 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 No. 14 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: All-steel with four or eight steel tired ball-bearing wheels. Non-steel tires are not acceptable.
		F.	Special Components:
			1.	Single Pass Door: Same thickness and appearance as panels. Trimless ADA compliant pass door with friction latch and flush pulls for panic operation and automatic door closer. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Select work surfaces from list below and delete types not required.
			2.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			3.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Finished End Caps: Finished end caps at 90 degrees and 135 degrees.
			5.	Door Closures: Automatic door closures.
			6.	Exit Signs: Self-Illuminated exit signs.
			7.	Panic Hardware: Code-compliant panic hardware.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
			1.	STC: Non-Rated.
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type I single door hinged to a jamb on one side as required.
			5.	Manual Operation: Type IV bi-fold door hinged to a jamb on one side as required.
			6.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			7.	Panel Skin: Match adjacent panels.
			8.	Hinges: Match adjacent panels.
			9.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			10.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			11.	Panel Weight: As standard with manufacturer for STC selected, 6 to 8 pounds per sq ft.
	2.13	PAIRED PANEL PARTITIONS, THREE INCH (76 MM) THICK PANELS
		A.	Product: Acousti-Seal 932 Operable Partition by Modernfold, Inc., manually operated paired flat panels, top supported with operable floor seals.
		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 (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			2.	Panel Skin: 1/2 inch (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			3.	Panel Skin: 1/2 inch (13 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 41.
				b.	STC 47.
				c.	STC 50.
			4.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction 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.
	** NOTE TO SPECIFIER ** Select closure panel hinge type from choices below, delete others. Coordinate with selection of panel skin in preceding paragraphs.
			5.	Hinges for Closure Panels, Pass Doors and Pocket Doors: Full leaf butt hinges, attached directly to the 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.
			6.	Hinges for Closure Panels for Steel Panels: SOSS invisible laminated hinge with anti-friction segments mounted between each heat treated link. Attach hinge directly to panel frame, with welded internal hinge bracket to support hinge and allow for adjustment of hinge plates. Concealed hinges mounted into panel edge or vertical astragal are not acceptable.
			7.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			8.	Panel Weight: As standard with manufacturer for STC selected, 6.5 to 11 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 mm) natural cork.
			7.	Panel Finish: Full height chalkboard work surface.
			8.	Panel Finish: Full height dry markerboard work surface.
			9.	Panel Finish: High pressure plastic laminate on MDF board.
			10.	Panel Finish: Wood veneer on MDF board.
			11.	Panel Finish: Uncovered for field finishing.
			12.	Panel Finish: Primed for field painting.
	** NOTE TO SPECIFIER ** Select exposed panel trim color from choices below, delete other choice.
			13.	Exposed Panel Trim Color: Dark bronze.
			14.	Exposed Panel Trim Color: Smoke gray.
			15.	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 (13 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 (13 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 (13 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 and Soffits:
	** 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:
				a.	Track: Nominal 11 gage formed steel track, suitable for either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: One all-steel trolley with steel tired ball-bearing wheels for all panels except hinged panels. Non-steel tires are not acceptable.
			2.	Suspension System: Modernfold No. 30 Suspension System:
				a.	Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Aluminum, integral to the track with white powder coated finish.
				c.	Carriers: Trolley wheel minimum 3 inches (76.2 mm) diameter glass reinforced nylon with all-steel precision-ground bearings, attached to panels with 1/2 inch (12.7 mm) diameter pendent bolt mounted to welded steel mounting plate.
			3.	Suspension System: Modernfold No. 14 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: All-steel with four or eight steel tired ball-bearing wheels. Non-steel tires are not acceptable.
		F.	Special Components:
	** NOTE TO SPECIFIER ** Select special components such as pass doors and work surfaces from list below and delete components not required.
			1.	Single Pass Door: Standard hollow metal door hung in a steel frame, prime painted for field finishing. ADA compliant pass door with friction latch and flush pulls for panic operation, located in the center panel of a three-panel group. Threshold is not acceptable.
			2.	Single Pass Door: Same thickness and appearance as panels. Trimless ADA compliant pass door with friction latch and flush pulls for panic operation. Threshold is not acceptable.
			3.	Work Surfaces: Tackboard, minimum 1/4 inch (6.35 mm) corkboard covered with vinyl or fabric, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			5.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			6.	Finished End Caps: Finished end caps at 90 degrees and 135 degrees.
			7.	Door Closures: Automatic door closures.
			8.	Exit Signs: Self-Illuminated exit signs.
			9.	Panic Hardware: Code-compliant panic hardware.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
			1.	STC: Non-Rated.
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type II double door hinged to a jamb on each side and closing in the center.
			5.	Manual Operation: Type III double doors hinged to a jamb on each side and closing in the center. Equip one of the door panels with a smaller hinged panel that folds back when the operable partition is extended into the pocket.
			6.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			7.	Panel Skin: Match adjacent panels.
			8.	Hinges: Match adjacent panels.
			9.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			10.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			11.	Panel Weight: As standard with manufacturer for STC selected, 6 to 8 pounds per sq ft.
	2.14	PAIRED PANEL PARTITIONS, FOUR INCH (102 MM) THICK PANELS
		A.	Product: Acousti-Seal 942 Operable Partition by Modernfold, Inc., manually operated series of paired flat panels, top supported with operable floor seals.
		B.	Panel Construction and STC Rating: Nominal 4 inch (102 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.
			1.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction with minimum STC 55.
	** NOTE TO SPECIFIER ** Select closure panel hinge type from choices below, delete other. Coordinate with selection of panel skin in preceding paragraphs.
			2.	Hinges for Closure Panels for Steel Panels: Full leaf butt hinges, attached directly to the 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.
			3.	Hinges for Closure Panels for Steel Panels: SOSS invisible laminated hinge with anti-friction segments mounted between each heat treated link. Attach hinge directly to panel frame, with welded internal hinge bracket to support hinge and allow for adjustment of hinge plates. Concealed hinges mounted into panel edge or vertical astragal are not acceptable.
			4.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			5.	Panel Weight: As standard with manufacturer for STC selected, 13 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 choice.
				a.	Covering: Vinyl.
				b.	Covering: Fabric.
				c.	Substrate: 1/4 inch (6 mm) natural cork.
			7.	Panel Finish: Full height chalkboard work surface.
			8.	Panel Finish: Full height dry markerboard work surface.
			9.	Panel Finish: Uncovered for field finishing.
			10.	Panel Finish: Primed for field painting.
	** NOTE TO SPECIFIER ** Select exposed panel trim color from choices below, delete other choices.
			11.	Exposed Panel Trim Color: Dark Bronze.
			12.	Exposed Panel Trim Color: Smoke Gray.
			13.	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 (13 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 (13 mm) to minus 1-1/2 inches (38 mm).
		E.	Suspension System and Soffits:
	** NOTE TO SPECIFIER ** Select type of track from choices below, delete other type. Refer to track details and layout in the catalog or on the website.
			1.	Suspension System: Modernfold No. 17 Suspension System:
				a.	Track: Nominal 11 gage formed steel track, suitable for either 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 inches (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: One all-steel trolley with steel tired ball-bearing wheels for all panels except hinged panels. Non-steel tires are not acceptable.
			2.	Suspension System: Modernfold No. 14 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: All-steel with four or eight steel tired ball-bearing wheels. Non-steel tires are not acceptable.
		F.	Special Components:
			1.	Single Pass Door: Same thickness and appearance as panels. ADA compliant pass door to be trimless and equipped with friction latch and flush pulls for panic operation. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Select work surfaces from list below and delete types not required.
			2.	Work Surfaces: Tackb oard, minimum 1/4 inch (6.35 mm) corkboard covered with vinyl or fabric, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			3.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			5.	Finished End Caps: Finished end caps at 90 degrees and135 degrees.
			6.	Door Closures: Automatic door closures.
			7.	Exit Signs: Illuminated exit signs.
			8.	Panic Hardware: Code-compliant panic hardware.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
			1.	STC: Non-Rated
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type II double door hinged to a jamb on each side and closing in the center.
			5.	Manual Operation: Type III double doors hinged to a jamb on each side and closing in the center. Equip one of the door panels with a smaller hinged panel that folds back when the operable partition is extended into the pocket.
			6.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			7.	Panel Skin: Match adjacent panels.
			8.	Hinges: Match adjacent panels.
			9.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			10.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			11.	Panel Weight: As standard with manufacturer for STC selected, 9 pounds per sq ft.
	2.15	PAIRED PANEL PARTITIONS, FIRE-RATED
		A.	Product: Acousti-Seal 912 Fire-Rated Operable Partition by Modernfold, Inc., manually operated series of flat paired panels, top supported with operable floor seals, UL 1-hour (B rating).
		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.
			1.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction with minimum STC as follows:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
				a.	STC 45.
				b.	STC 50.
				c.	STC 52.
			2.	Hinges for Closure Panels for Steel Panels: Full leaf butt hinges, attached directly to the 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.
			3.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			4.	Panel Weight: As standard with manufacturer for STC selected, 8 to 11 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 chalkboard work surface.
			7.	Panel Finish: Full height dry markerboard work surface.
			8.	Panel Finish: Uncovered for field finishing.
			9.	Panel Finish: Primed for field painting.
	** NOTE TO SPECIFIER ** Select exposed panel trim color from choices below, delete other choices.
			10.	Exposed Panel Trim Color: Dark Bronze.
			11.	Exposed Panel Trim Color: Smoke Gray.
			12.	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 ceramic fiber with woven ceramic fabric covering and no 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 (13 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 (13 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 and Soffits:
	** 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:
				a.	Track: Nominal 11 gage formed steel track, suitable for either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: One all-steel trolley with steel tired ball-bearing wheels for all panels except hinged panels. Non-steel tires are not acceptable.
			2.	Suspension System: Modernfold No. 14 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: All-steel with four or eight steel tired ball-bearing wheels. Non-steel tires are not acceptable.
		F.	Special Components:
			1.	Single Pass Door: Same thickness and appearance as panels. ADA compliant pass door to be trimless and equipped with push bar and positive latch on the egress side for panic operation. Door closer is required. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Select work surfaces from list below and delete types not required.
			2.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			3.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Finished End Caps: Finished end caps at 90 degrees and 135 degrees.
			5.	Door Closures: Automatic door closures.
			6.	Exit Signs: Self-Illuminated exit signs.
			7.	Panic Hardware: Code-compliant panic hardware.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
			1.	STC: Non-Rated.
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type II double door hinged to a jamb on each side and closing in the center.
			5.	Manual Operation: Type III double doors hinged to a jamb on each side and closing in the center. Equip one of the door panels with a smaller hinged panel that folds back when the operable partition is extended into the pocket.
			6.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			7.	Panel Skin: Match adjacent panels.
			8.	Hinges: Match adjacent panels.
			9.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			10.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			11.	Panel Weight: As standard with manufacturer for STC selected, 6 to 8 pounds per sq ft.
	2.16	PAIRED PANEL PARTITIONS, FLOOR-SUPPORTED
		A.	Product: Acousti-Seal 932FS Floor-Supported Operable Partition by Modernfold, Inc., manually operated series of paired flat panels, floor supported.
		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 (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			2.	Panel Skin: 1/2 inch (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			3.	Panel Skin: 1/2 inch (13 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 41.
				b.	STC 47.
				c.	STC 50.
			4.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction with minimum STC as follows:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
				a.	STC 45.
				b.	STC 50.
				c.	STC 52.
	** NOTE TO SPECIFIER ** Select closure panel hinge type from choices below, delete others. Coordinate with selection of panel skin in preceding paragraphs.
			5.	Hinges for Closure Panels, Pass Doors and Pocket Doors: Full leaf butt hinges, attached directly to the 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.
			6.	Hinges for Closure Panels for Steel Panels: SOSS invisible laminated hinge with anti-friction segments mounted between each heat treated link. Attach hinge directly to panel frame, with welded internal hinge bracket to support hinge and allow for adjustment of hinge plates. Concealed hinges mounted into panel edge or vertical astragal are not acceptable.
			7.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			8.	Panel Weight: As standard with manufacturer for STC selected, 6.5 to 11 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 chalkboard work surface.
			7.	Panel Finish: Full height dry marker board work surface.
			8.	Panel Finish: High pressure plastic laminate.
			9.	Panel Finish: Wood veneer.
			10.	Panel Finish: Uncovered for field finishing.
			11.	Panel Finish: Primed for field painting.
	** NOTE TO SPECIFIER ** Select exposed 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 and Bottom Seals: Continuous contact extruded vinyl bulb shape with pairs of non-contacting vinyl fingers to prevent distortion without the need for mechanically operated parts.
		E.	Suspension System:
			1.	Floor Track: Nominal 16 gage stainless steel to nominally support 80 percent or more of the panel weight. No alteration of floor surface for surface mounted applications, and kerf no wider than 1 inch (25 mm) nor deeper than 1 inch (25 mm) for recessed applications.
			2.	Carriers: One all-steel trolley with steel tired ball-bearing wheels for each panel except hinged panels, capable of adjustment with the partition in its extended position. Non-steel tires are not acceptable.
			3.	Lateral Support: Located at panel top by a steel ceiling guide, either direct mounted to wood headers or supported by pairs of threaded rods. Configure guide to provide support for ceiling tiles. Ceiling guide trolley to allow up to 1/2 inch (13 mm) of floor deflection without transfer of weight to the ceiling guide.
		F.	Special Components:
			1.	Single Pass Door: Standard hollow metal door hung in a steel frame, prime painted for field finishing. ADA compliant pass door with friction latch and flush pulls for panic operation, located in the center panel of a three-panel group. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Select work surfaces from list below and delete types not required.
			2.	Work Surfaces: Tack board, minimum 1/4 inch (6.35 mm) corkboard covered with vinyl or fabric, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			3.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			5.	Finished End Caps: Finished end caps at 90 degrees and 135 degrees.
			6.	Door Closures: Automatic door closures.
			7.	Exit Signs: Self-Illuminated exit signs.
			8.	Panic Hardware: Code-compliant panic hardware.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
			1.	STC: Non-Rated.
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type II double door hinged to a jamb on each side and closing in the center.
			5.	Manual Operation: Type III double doors hinged to a jamb on each side and closing in the center. Equip one of the door panels with a smaller hinged panel that folds back when the operable partition is extended into the pocket.
			6.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			7.	Panel Skin: Match adjacent panels.
			8.	Hinges: Match adjacent panels.
			9.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			10.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			11.	Panel Weight: As standard with manufacturer for STC selected, 6 to 8 pounds per sq ft.
	2.17	CONTINUOUSLY HINGED PANEL PARTITIONS, MANUAL OPERATION
		A.	Product: Acousti-Seal 933 Operable Partition by Modernfold, Inc., manually operated series of continuously hinged flat panels, top supported with operable floor seals.
		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 (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			2.	Panel Skin: 1/2 inch (13 mm) tackable 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 41.
				b.	STC 47.
				c.	STC 50.
			3.	Panel Skin: 1/2 inch (13 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 41.
				b.	STC 47.
				c.	STC 50.
			4.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction with minimum STC as follows:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
				a.	STC 45.
				b.	STC 50.
				c.	STC 52.
	** NOTE TO SPECIFIER ** Select closure panel hinge type from choices below, delete others. Coordinate with selection of panel skin in preceding paragraphs.
			5.	Hinges for Closure Panels for Non-Steel Panels: Full leaf butt hinges, attached directly to the 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.
			6.	Hinges for Closure Panels for Steel Panels: Full leaf butt hinges, attached directly to the 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.
			7.	Hinges for Closure Panels for Steel Panels: SOSS invisible laminated hinge with anti-friction segments mounted between each heat treated link. Attach hinge directly to panel frame, with welded internal hinge bracket to support hinge and allow for adjustment of hinge plates. Concealed hinges mounted into panel edge or vertical astragal are not acceptable.
			8.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			9.	Panel Weight: As standard with manufacturer for STC selected, 6.5 to 11 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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 weighing not less than 12 ounces per lineal yard, with surface treatment to resist stains.
			5.	Panel Finish: Customer's own material (subject to factory approval).
			6.	Panel Finish: Full height chalkboard work surface.
			7.	Panel Finish: Full height dry 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 exposed 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.
			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 (13 mm) to minus 1-1/2 inches (38 mm) which automatically drop as panels are positioned without the need for tools or cranks.
		E.	Suspension System and Soffits:
	** 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:
				a.	Track: Nominal 11 gage formed steel track, suitable for either 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 (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: One all-steel trolley with steel tired ball-bearing wheels for all panels except hinged panels. Non-steel tires are not acceptable.
			2.	Suspension System: Modernfold No. 14 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: All-steel with four or eight steel tired ball-bearing wheels. Non-steel tires are not acceptable.
			3.	Suspension System: Modernfold No. 30 Suspension System:
				a.	Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Aluminum, integral to the track with white powder coated finish.
				c.	Carriers: Trolley wheel minimum 3 inches (76.2 mm) diameter glass reinforced nylon with all-steel precision-ground bearings, attached to panels with 1/2 inch (12.7 mm) diameter pendent bolt mounted to welded steel mounting plate.
		F.	Special Components:
			1.	Single Pass Door: Same thickness and appearance as panels. Trimless ADA compliant pass door with friction latch and flush pulls for panic operation. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Select work surfaces from list below and delete types not required.
			2.	Work Surfaces: Tack board, minimum 1/4 inch (6.35 mm) corkboard covered with vinyl or fabric, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			3.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		G.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
			1.	STC: Non-Rated.
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type I single door hinged to a jamb on one side as required.
			5.	Manual Operation: Type II double door hinged to a jamb on each side and closing in the center.
			6.	Manual Operation: Type III double doors hinged to a jamb on each side and closing in the center. Equip one of the door panels with a smaller hinged panel that folds back when the operable partition is extended into the pocket.
			7.	Manual Operation: Type IV bi-fold door hinged to a jamb on one side as required.
			8.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			9.	Panel Skin: Match adjacent panels.
			10.	Hinges: Match adjacent panels.
			11.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			12.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			13.	Panel Weight: As standard with manufacturer for STC selected, 9 pounds per sq ft.
	2.18	CONTINUOUSLY HINGED PANEL PARTITIONS, ELECTRIC OPERATION
		A.	Product: Acousti-Seal 933E Operable Partition by Modernfold, Inc., electrically operated series of continuously hinged panels, top supported with operable floor seals.
		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 roll-formed steel.
			1.	Panel Skin: Roll-formed steel wrapping around panel edge, with panel skins lock-formed and welded directly to the frame for unitized construction with minimum STC as follows:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
				a.	STC 45.
				b.	STC 50.
				c.	STC 52.
			2.	Panel Skin: 1/2 inch (13 mm) 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 41.
				b.	STC 47.
				c.	STC 50.
	** NOTE TO SPECIFIER ** Select closure panel hinge type from choices below, delete others. Coordinate with selection of panel skin in preceding paragraphs.
			3.	Hinges for Closure Panels for Non-Steel Panels: Full leaf butt hinges, attached directly to the 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.
			4.	Hinges for Closure Panels for Steel Panels: Full leaf butt hinges, attached directly to the 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.
			5.	Hinges for Closure Panels for Steel Panels: SOSS invisible laminated hinge with anti-friction segments mounted between each heat treated link. Attach hinge directly to panel frame, with welded internal hinge bracket to support hinge and allow for adjustment of hinge plates. Concealed hinges mounted into panel edge or vertical astragal are not acceptable.
			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, 6.5 to 11 pounds per sq ft.
		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 ounces per lineal yard.
			2.	Panel Finish: Reinforced heavy duty vinyl with woven backing weighing not less than 30 ounces per lineal yard.
			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).
	** NOTE TO SPECIFIER ** Select one of the two following paragraphs, delete other choice.
				a.	Covering: Vinyl.
				b.	Covering: Fabric.
				c.	Substrate: 1/4 inch (6 mm) natural cork.
			6.	Panel Finish: Full height chalkboard work surface.
			7.	Panel Finish: Full height dry 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 exposed 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 (13 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: Floating operable seals providing nominal 3-1/2 inches (89 mm) operating clearance within operating range of plus 1/2 inch (15 mm) to minus 3 inches (76 mm) to provide continuous floor contact as panels are positioned without the need for tools or cranks.
		E.	Suspension System and Soffits:
			1.	Suspension System: Modernfold No. 14 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 (13 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.
				b.	Exposed Track Soffit: Steel, removable for service and maintenance, attached to track bracket without exposed fasteners and pre-painted off-white. Wood or aluminum soffits are not acceptable.
				c.	Carriers: All-steel with four or eight steel tired ball-bearing wheels. Non-steel tires are not acceptable.
			2.	Suspension System: Modernfold No. 30 Suspension System:
				a.	Track: Heat-treated extruded aluminum supported by adjustable steel hanger brackets connected to structural support by pairs of 3/8 inch (10 mm) diameter threaded rods.
				b.	Exposed Track Soffit: Aluminum, integral to the track with white powder coated finish.
				c.	Carriers: Trolley wheel minimum 3 inches (76.2 mm) diameter glass reinforced nylon with all-steel precision-ground bearings, attached to panels with 1/2 inch (12.7 mm) diameter pendent bolt mounted to welded steel mounting plate.
		F.	Special Components:
			1.	Single Pass Door: Same thickness and appearance as panels. Trimless ADA compliant pass door with friction latch and flush pulls for panic operation. Threshold is not acceptable.
	** NOTE TO SPECIFIER ** Select work surfaces from list below and delete types not required.
			2.	Work Surfaces: Tack board, minimum 1/4 inch (6.35 mm) corkboard covered with vinyl or fabric, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			3.	Work Surfaces: Dry marker surfaces, white enamel on steel, bonded to the face of the panel, with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			4.	Work Surfaces: Chalkboards, baked enamel on steel, bonded to the face of the panel with trim without exposed fasteners. Trim is not acceptable on vertical butt edges.
			5.	Finished End Caps: Finished end caps at 90 degrees and 135 degrees.
			6.	Door Closures: Automatic door closures.
			7.	Exit Signs: Self-Illuminated exit signs.
			8.	Panic Hardware: Code-compliant panic hardware.
		G.	Electrical Operation:
			1.	Partition: Operated by two push button control stations wired in series and located on opposite sides of the partition. Control switches shall be activated by key switch at stack end of partition. Motor unit shall be reversible, continuous duty, and Class A insulated. Motor unit shall have NEMA MG1 service factor, high starting torque, thermal overload protection and open/drip proof enclosure. Motor assembly shall have wiring compliant with NFPA 70, 24 volt controls, compliant with UL 508A, and speed of approximately 28 feet per minute. Drive unit motor equipped with outboard limit switches to prevent over-extension. Attach a positive chain drive to the lead panel to pull the partition across the opening. Cable, belt or other friction type drives are not acceptable.
	** NOTE TO SPECIFIER ** Select type of motor based on partition size and power available at the project, delete others.
			2.	Electric Motor: 115-volt, 1-phase, 1 HP, 4.0 FLA.
			3.	Electric Motor: 208/230-volt, 1-phase, 1 HP, 7.0 FLA.
			4.	Electric Motor: 208/230-volt, 3-phase, 1 HP, 4.5 FLA.
			5.	Electric Motor: 208/230-volt, 3-phase, 1-1/2 HP, 5.2 FLA.
			6.	Electric Motor: 460-volt, 3-phase, 1 HP, 2.0 FLA.
	** NOTE TO SPECIFIER ** Retain paragraph below if pocket door is required based on partition layout. Select type of pocket door required from options included, delete others.
		H.	Pocket Doors: Acousti-Seal 900 Series Pocket Door by Modernfold, Inc., with the same general construction as the adjacent panels with the following characteristics:
	** NOTE TO SPECIFIER ** Select one STC from choices below, delete others.
			1.	STC: Non-Rated
			2.	STC: 47.
			3.	STC: 50.
			4.	Manual Operation: Type III double doors hinged to a jamb on each side and closing in the center. Equip one of the door panels with a smaller hinged panel that folds back when the operable partition is extended into the pocket.
			5.	Panel Construction: Nominal 3 inches (76 mm) thick, by width and height required, with roll-formed steel horizontal and vertical framing elements.
			6.	Panel Skin: Match adjacent panels.
			7.	Hinges: Match adjacent panels.
			8.	Panel Trim: No vertical trim required or allowed on vertical edges of panels; minimal groove appearance at panel joints.
			9.	Jambs: Pocket door jambs, continuous channels anchored to a fixed wall. Welded hinge anchor plates, supporting pocket door hinges and permitting a full 180 degree swing.
			10.	Panel Weight: As standard with manufacturer for STC selected, 6 to 8 pounds per sq. ft.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not begin installation until supports and substrates have been properly prepared.
		B.	Notify Architect in writing of unsatisfactory preparation prior to installation. Do not proceed until unsatisfactory conditions have been corrected.
	3.2	INSTALLATION
		A.	Install in accordance with manufacturer's instructions and ASTM E 557 installation procedures. Test for proper operation and make necessary adjustments until satisfactory results are obtained.
	3.3	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION