SECTION 13025

INTEGRATED CEILINGS

PART 1 GENERAL

SECTION INCLUDES

Suspended modular grid system.

[Flat] [Vaulted] acoustic boards.

Lighting fixtures [ballasts][.] [and] [lamps.]

[Supply] [exhaust] [and] [return] air outlets.

[Sprinkler heads.]

[Audio speakers.]

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

[Section [_____-__________]: Supply of sprinkler heads for placement by this Section.]

[Section [_____-__________]: Audio system components for placement by this Section.

RELATED SECTIONS

Section [_____-__________]: Lateral support framing for partitions above ceiling system.

Section [_____-__________]: Partition top rail clips.

Section [_____-__________]: Acoustic ceilings.

[Section [_____-__________]: Fire sprinkler heads.]

Section [_____-__________]: Ducting to air diffuser boots.

[Section 15990 - Testing, Adjusting and Balancing: Test, adjust, and balance of air system.]

Section [_____-__________]: General requirements for lighting, fixtures, lamps, ballast and accessories.

Section [_____-__________]: Power pole attachment clips.

ALLOWANCES

Cash Allowance: Refer to Section [01021] [01005] for allowance sum applicable to the Work.

Allowance includes [purchase and delivery of [light fixtures] [_______________]; installation is included in this Section and is part of the Contract Sum.] [purchase, delivery, and installation of [light fixtures] [_______________].]

REFERENCES

AABC - Associated Air Balance Council.

ANSI/ASTM C635 - Metal Suspension Systems for Acoustical Tile and Lay-In Panel Ceilings.

ANSI/ASTM C636 - Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-In Panels.

ANSI/IES RP 1 - Practice for Office Lighting.

ANSI/UL 935 - Fluorescent Lamp Ballasts.

ASTM E84 - Surface Burning Characteristics of Building Materials.

NEMA LE 1 - Fluorescent Luminaires.

NFPA 13 - Sprinkler Systems.

PERFORMANCE REQUIREMENTS

Fire Rated Ceiling Assembly: UL Assembly No. [_____] providing [one] [_____] hour rating.

Acoustic Board Flame/Fuel/Smoke Rating: [___/___/___] minimum in accordance with ASTM E84.

System Noise Reduction Coefficient (NRC): [_____] minimum.

System Sound Transmission Coefficient (STC): [__________.]

Acoustic Board Light Reflectance: [_____] percent.

Illumination Levels: [ANSI/IES RP 1;] [[_____] fc ([_____] lm) measured [_____] inches ([_____] mm) above finished floor.] [_______________.]

Air Supply: Unit capable of distributing [_____] cfm ([_____] l/sec) of air at [_____] wg ([_____] Pa) maximum pressure drop and a maximum NC value of [30.] [_____.]

Return Air: Unit capable of returning [_____] cfm ([_____] l/sec) of air at [_____] wg ([_____] Pa) maximum pressure drop and a maximum NC value of [30.] [_____.]

Exhaust Air: Unit capable of returning [_____] cfm ([_____] l/sec) of air at [_____] wg ([_____] Pa) maximum pressure drop and a maximum NC value of [30.] [_____.]

Fire Sprinkler Design: Conform to NFPA 13.

Install ceiling system capable of supporting imposed

loads, with maximum deflection of [1/360] [_____] of	span.

Sound Masking: [____________________.]

SUBMITTALS

Submit under provisions of Section [01300.] [01340.]

Shop Drawings: Indicate grid layout and dimensions, junctions with other work, relationship of mechanical and electrical items related to ceiling system, other components in the ceiling assembly[,][.] [and] [____________________.]

Product Data: Provide descriptions and characteristics of components, finishes, product limitations.

Samples: Submit [one] [_____] acoustical [panel] [panels]; [one piece] [[_____] pieces], [_____] inch ([_____] mm) long, of metal main grid, cross tee, and perimeter trim; [one] [_____] light [fixture] [fixtures] with ballast, lens and lamps; [one sample] [[_____] samples] of each supply [exhaust,] and return air device; and [_______________.]

Manufacturer's Installation Instructions: Indicate installation sequence, special cautions[,][.] [and] [____________________.]

Manufacturer's Certificate: Submit certificate under provisions of Section [01400] [01405] that [light fixtures] [air outlets] [__________] meet or exceed specified requirements.

OPERATION AND MAINTENANCE DATA

Submit under provisions of Section [01700.] [01730.]

Submit information on adjusting air supply and return devices.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the products specified in this Section with minimum [three] [_____] years [documented] experience.

[Select light fixture to achieve lighting criteria under direct supervision of an experienced Professional Electrical Engineer registered in the State of [_______________].]

Installer: Company specializing in performing the work of this Section [with minimum [_____] years [documented] experience.] [approved by manufacturer.]

Fire Sprinkler Work: Conform to NFPA 13.

REGULATORY REQUIREMENTS

Conform to [applicable] [__________] code for [fire rated ceiling assembly.] [combustibility requirements for materials.]

Provide certificate of compliance from [authorities having jurisdiction] [_______________] for approval of [light fixtures.] [____________________.]

MOCK-UP

Provide under provisions of Section [01400.] [01405.]

Include [one] [_____] grid module complete with all components.

When accepted, mock-up will demonstrate minimum standard for the Work. Mock-up may [not] remain as part of the Work.

PRE-INSTALLATION CONFERENCE

Convene [three] [_____] weeks prior to commencing work of this Section, under provisions of Section [01200.] [01220.]

ENVIRONMENTAL REQUIREMENTS

Do not install system until building is enclosed, dust generating activities have terminated, and overhead mechanical and electrical work is completed, tested, and approved.

Permit wet work to dry prior to commencement of installation.

Maintain minimum temperature of [60] [_____] degrees F ([16] [_____] degrees C) and maximum relative humidity of [50] [_____] percent, 24 hours prior to, during, and after installation.

FIELD MEASUREMENTS

Verify that field measurements are as [shown on [Drawings] [shop drawings].] [instructed by the manufacturer.]

EXTRA MATERIALS

Submit maintenance materials under provisions of Section [01700.] [01750.]

Provide [__] extra acoustic panels and [_______________.]

PART 2 PRODUCTS

MANUFACTURERS - CEILING SYSTEM

[______________________________] Product [_____________.]

Other acceptable manufacturers offering equivalent products.

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MANUFACTURERS - LIGHT FIXTURES

[______________________________] Product [_____________.]

Other acceptable manufacturers offering equivalent products.

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MANUFACTURERS - AIR OUTLETS

[______________________________] Product [_____________.]

Other acceptable manufacturers offering equivalent products.

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MANUFACTURERS - ACOUSTIC PANELS

[______________________________] Product [_____________.]

Other acceptable manufacturers offering equivalent products.

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MANUFACTURERS - FIRE SPRINKLERS

[______________________________] Product [_____________.]

Other acceptable manufacturers offering equivalent products.

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MANUFACTURERS - AUDIO SPEAKERS

[______________________________] Product [_____________.]

Other acceptable manufacturers offering equivalent products.

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

[__________________________] Product [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MATERIALS

Grid Member: Commercial quality, cold rolled [steel with galvanized coating.] [aluminum.]

Acoustic Panels: [Mineral] [Glass fiber] composition, [with glass fiber acoustic media backing,] non- combustible, [minimum] [3/4] [_____] inch ([19] [_____] mm) thick.

COMPONENTS

Grid Design: [Modular,] [flat.] [vaulted.] [__________.]

Grid System: [ANSI/ASTM C635, [Intermediate] [Heavy] duty;] [exposed Tee] [_______________], rolled metal profiles, [_______________] shape of main [and cross] runners, die cut and interlocking.

Grid Size: [_____ x _____] inches ([_____ x _____] mm), [[_____] inches ([_____] mm) deep,] nominal; [[_____] inch ([_____] mm) thick].

[Metal Coffer Ends: Formed metal, [[_____] inch ([_____] mm) thick].]

Light Fixtures: [NEMA LE 1.] [____________________.]

Light Ballasts: [ANSI/UL 935.] [____________________.]

Supply Air Housing and Boots: [Galvanized] Sheet metal boots, flat black interior, [_____] inch ([_____] mm) diameter neck, neoprene gaskets and [_____] inch ([_____] mm) duct collar; [[_____] inch ([_____] mm) thick].

Supply Air Outlets: [Galvanized] [Sheet metal] [____________________] directing air [parallel to the ceiling grid] [_______________]; [[_____] inch ([_____] mm) thick].

ACCESSORIES

Hangers: [Galvanized] steel [wire.] [_______________.]

Accessories: Structural main [and cross beams], stabilizer bars, hanger clips for two, three, and four way intersections, [splices,] edge moldings, hold down clips, rubber grommets at punched grid holes, and junction cover caps and buttons.

Partition Support Brackets: Formed steel, designed to transfer lateral partition load to support framing above; [[_____] inch ([_____] mm) thick].

Acoustic Insulation: Preformed [mineral] [glass] fiber batt, without surface membrane.

[Wire Mesh Insulation Retainer: [_______________].]

FINISHES

Grid Members: [White baked enamel finish.] [Chrome.] [____________________.]

[Metal Coffer Ends: [White baked enamel finish.] [_______________.]]

Acoustic Panels: [____________________] surface design, washable [white] [__________] surface finish.

Supply Air Outlets: [Baked enamel finish of [__________] color as selected.] [_______________.]

Partition Support Brackets: [Same finish as ceiling grid.] [____________________.]

PART 3 EXECUTION

INSTALLERS

[___________________________________.]

[___________________________________.]

[___________________________________.]

EXAMINATION

Verify that field conditions are acceptable and are ready to receive work.

Verify that required utilities are available, in proper location, and ready for use.

Beginning of installation means installer accepts existing conditions.

INSTALLATION

Install acoustical ceiling system in accordance with [manufacturers' instructions.] [ANSI/ASTM C636.]

Install hangers and inserts coordinated with overhead work. Provide additional hangers and supports as required.

Coordinate position of hangers and carrying channels to accommodate fittings and components placed after installation of grid.

Where ducts or other equipment prevent regular spacing of hangers, reinforce adjacent hangers and related support members required to span the distance.

Install grid [in accordance with reflected ceiling layout.] [by centering on room axis with equal edge dimension.] [____________________.]

Suspend grid independently of walls, columns, ducts, pipes, and conduit. Where grid members are spliced, avoid visible displacement of face plane of adjoining members.

Support light fixture, supply [and return] air device loads with supplementary hangers located within [6] [_____] inches ([150] [_____] mm) of each component corner when weight of component exceeds the system deflection limits.

Where component installation produces rotation or distortion of runners, provide stabilizer bars or additional support.

[Form expansion joints to accommodate [one] [_____] inch ([25] [_____] mm) movement and to maintain visual closure.]

Install edge moldings at intersection of ceiling and vertical surfaces and penetrations, using components of maximum length, set level. [Provide edge moldings at junction with other ceiling finishes.] [Miter corners.] [Provide preformed edge closures to match bullnosed cornered partitions.]

Install air outlets with gasketed boots and collars.

Install light fixtures [with ballasts [and] [lamps] [for connection by Division 16.]] [____________________.] [Install acoustic insulation over light fixtures to form an effective acoustic barrier.]

Knock out prepunched holes for [fire sprinkler heads] [power pole cable] [and install grommets.]

Install acoustic panels, free of damage.

Finished Ceiling: Uniform plane, free of soiled or damaged components which are detrimental to appearance or function of system.

ERECTION TOLERANCES

Maximum Variation From Flat Plane: [1/8] [_____] inch in 10 feet ([3] [_____] mm in 3 m), non-cumulative.

Maximum Offset From True Alignment or Position: [1/8] [_____] ([3] [_____] mm).

FIELD QUALITY CONTROL

Test, adjust, and balance under provisions of Section [01400.] [01410.]

Test, adjust, and balance air system in accordance with [AABC.] [Section [_____.]] [____________________.]

ADJUSTING

Adjust work under provisions of Section [01650.] [01660.]

Remove sags or twists in the ceiling system.

Replace damaged or faulty components.

CLEANING

Clean work under provisions of Section [01700.] [01710.]

Clean system components after adjustment and balancing of system have been completed.

SCHEDULES

Office Areas: Vaulted design, 60 x 60 inch (1 500 x 1 500 mm) grid, mineral acoustic units, white enamel finish to grid.

Lobby 101: Flat design, 30 x 30 inch (750 x 750 mm) grid, glass fiber acoustic units with hold down clips, acoustic insulation over light fixtures, chrome finish to grid.

END OF SECTION