UPTON TOWN HALL RENOVATION · GYPSUM BOARD ASSEMBLIES 09211-1 SECTION 09211 – GYPSUM BOARD ASSEMBLIES PART 1 – GENERAL 1.1 GENERAL PROVISIONS A. Attention is directed to the CONTRACT

UPTON TOWN HALL RENOVATION

LATHING AND PLASTERING 09200-1

SECTION 09200 - LATHING AND PLASTERING (Filed Sub-Bid Required) PART 1 – GENERAL 1.1 GENERAL PROVISIONS

A. Attention is directed to the CONTRACT AND GENERAL CONDITIONS and all Sections within DIVISION 01 - GENERAL REQUIREMENTS which are hereby made a part of this Section of the Specifications.

B. Time, Manner and Requirements for Submitting Sub-Bids:

1. Sub-bids for work under this Section shall be for the complete work and shall be filed in a sealed envelope with the Town of Upton at a time and place as stipulated in the "NOTICE TO CONTRACTORS". The following should appear on the upper left hand corner of the envelope: NAME OF SUB-BIDDER: (Insert name of sub-bidder) PROJECT: Upton Town Hall, Renovation SUB-BID FOR SECTION: 090001 – LATHING AND PLASTERING 2. Each sub-bid submitted for work under this Section shall be on forms furnished by the Town of Upton as required by Section 44F of Chapter 149 of the General Laws, as amended. Sub-bid forms may be obtained by request through www.biddocsonline.com 3. Sub-bids filed with the Town of Upton shall be accompanied by BID BOND or CASH or CERTIFIED CHECK or TREASURER'S CHECK or CASHIER'S CHECK issued by a responsible bank or trust company payable to the Town of Upton in the amount of five percent of the sub-bid. A sub-bid accompanied by any other form of bid deposit than those specified will be rejected.

C. Sub Sub-Bid Requirements: (None required under this Section.)

D. Reference Drawings: The Work of this Filed Sub-Bid is shown on the following Contract Drawings: All Drawings listed in the Drawing List on Sheet A0.0.

1.2 DESCRIPTION OF WORK

A. Work Included: Provide labor, materials and equipment necessary to complete the work of this Section, including but not limited to the following: 1. All Work of Section 09260 - GYPSUM VENEER PLASTERING 2. All Work of Section 09210 – PLASTER REPAIR AND RESTORATION 3. All Work of Section 09230 – ACOUSTIC GYPSUM PLASTER

END OF SECTION 09200


PLASTER REPAIR AND RESTORATION 09210-1

SECTION 09210 - PLASTER REPAIR AND RESTORATION PART 1 - GENERAL 1.01 RELATED DOCUMENTS

A. All of the Contract Documents, including General and Supplementary Conditions and Division 1 General Requirements are hereby made a part of this Specification Section.

B. Examine all Drawings and all Sections of the Specifications for requirements and

provisions affecting the work of this Section. 1.02 QUALITY ASSURANCE

A. Work under this section shall be undertaken by a trained architectural conservator with at least five years experience in the restoration and repair of historic plaster. Qualifications, resume and references shall be submitted for approval before start of any work under this section.

1.03 SCOPE OF WORK

A. It is assumed that all the paint on the plaster contains regulated levels of lead

paint. The work done in this section is to be completed in accordance with Section 02090 Lead Containing Paint Materials and this Section.

B. Provide proper containment, removal and legal disposal of lead paint, lead

dust and lead containing elements. Only properly certified persons shall perform abatement or containment activities.

C. Conduct laboratory analysis of the existing plasters to determine proportion of

lime and sand. Make sure that modern gypsum plaster is not included in test samples.

D. Provide and install lath, base coats and finish coats of plaster, matching

historic plaster in color and texture for the following:

a. Patching of existing plaster surfaces which will remain exposed to view, which have been damaged or altered under the work of this Contract.

b. Patching of existing plaster surfaces from which existing

items have been removed therefrom. c. Patching of prominent cracks in existing plaster surfaces

which will remain exposed to view.



d. Patching of areas of weak or missing plaster. E. Perform key-cutting of cracks in existing plaster surfaces, and angle-back

cutting at perimeter of defective existing plaster segments removed hereunder; as required to provide proper mechanical bonding for plaster patching to be performed hereunder.

F. Perform hand sanding of all rough spots in new plaster-patched areas, and

leave ready to receive applied finishes.

G. Provide all access to the work of this Section.

H. The work of this Section shall be done by the filed sub-bidder of LATHING AND PLASTER.

1.04 RELATED WORK

A. Examine Contract Documents for requirements that affect work of this Section. Other Specification Sections that relate directly to work of this Section include, but are not limited to:

1. SECTION 02070 – SELECTIVE DEMOLITION 2. SECTION 02090 – LEAD CONTAINING PAINT CONSIDERATIONS 3. SECTION 06200 – FINISH CARPENTRY 4. SECTION 09900 – PAINTING

1.05 SUBMITTALS

A. Submit manufacturer’s specification and product literature for each material specified and/or used in this Section in accordance with the provisions of SECTION 01300 – SUBMITTALS.

B. Prepare site mock-ups for approval prior to starting work for each type of

required repair. Each mock up must be executed by the plasterer who will carry out the repair.

1.06 REFERENCE STANDARDS, SPECIFICATIONS, AND CODES

A. U.S. General Services Administration Historic Preservation Technical Procedures, 09200-03 Guidelines for Lathing and Plastering Walls and Ceilings.

1.07 PROJECT CONDITIONS

A. Environmental Requirements, General: Comply with requirements of referenced plaster application standards and recommendations of plaster manufacturer for environmental conditions before, during, and after application unless more stringent requirements are specified herein.



B. Temperature: Maintain a uniform temperature of no less than 55 degrees F .in areas of surfaces to receive plaster finish. Maintain temperature for not less than one week prior to beginning plaster application, during its application, and until plaster is dry but for not less than one week after application is complete. Distribute heat evenly; prevent concentration or uneven heat from contacting plaster near heat source

C. Ventilation: Distribute heat uniformly with proper ventilation as required in referenced standards and as recommended by manufacturer. Begin ventilation immediately after plaster is applied and continue until it sets.

D. Protect contiguous work from soiling, spattering, moisture deterioration and other harmful effects that might result from plastering.

PART 2 - PRODUCTS 2.01 LATH MATERIALS

A. Wood Lath: Sawn wood lath to match existing specie, size, and spacing

B. Nails: hot dipped galvanized

2.02 GYPSUM PLASTER MATERIALS

A. Aggregate: Sand meeting ASTM C35

B. Water: Clean, potable, and free from damaging amounts of oils, acids, alkalis, and organic matter detrimental to setting and quality of plaster.

C. Base Coat Gypsum Plasters: Regular, for use with sand aggregate, ASTM C 28, types as indicated below:

D. Gypsum neat plaster for hand application of scratch coat over metal lath shall contain not less than 1 percent by weight of synthetic or vegetable fibers or not less than 2 percent by weight of mineral fibers.

D. Finish Coat Gypsum Plasters: Types as indicates below:

1. White gauging plaster: ASTM C 28

2. Special Finishing hydrated Lime: ASTM C 206, Type S

3. Normal Finishing Hydrated Lime: ASTM C 206, Type N

4. Quicklime: ASTM C 5 and ASTM C 911, Type B

E. Molding Plaster: ASTM C 28

2.03 MISCELLANEOUS MATERIALS



A. Bonding Compound for Gypsum Plaster: ASTM C 631

1. Specifically formulated for bonding new plaster to existing plaster and structurally sound interior surfaces

B. Detergent: Non-ionic detergent solution for final wash of plaster surfaces.

2.04 PLASTER MIXES AND COMPOSITION:

A. General: Proportion plaster based on analysis. Aggregate profile is to be matched precisely.

B. Base mixes:

Scratch coat (on wood lath):

1 part gypsum base coat plaster

3 part sand (ASTM C 35)

Brown coat:

1 part gypsum base coat plaster

2.5 part sand (ASTM C 35)

Finish coat

1 part gauging plaster

1 part finish lime

Aggregate to match profile

C. Cast Work: USG molding plaster or equivalent

PART 3 - EXECUTION 3.01 PRE-INSTALLATION REQUIREMENTS

A. Keep fully informed at all times as to work of appurtenant trades, and obtain all necessary information for the proper coordination of the plastering work to that of other trades.

B. Store all materials in completely dry and covered locations, at all times.



C. Furnish, install, and maintain during the progress of the plastering work, substantial coverings and other protective measures for all finished surfaces, be fully responsible for correcting any damage thereto caused by the plastering work.

D. Ensure that a temperature of at least 55 degrees F. can be maintained from the

commencement of the plastering work through the completion of the curing process for the plaster. Ensure that regulated ventilation will be provided during the application and curing period. Immediately report any unacceptable conditions to the Architect, requesting disposition therefore, and do not mix or apply plaster materials until all conditions are satisfactory and acceptable to the lathing and plastering applicator.

3.02 PREPARATION FOR PLASTER PATCHING

A. Prepare surfaces in accordance with section 02090 Lead Containing Paint Materials an as prescribed by State and Federal lead contamination laws.

B. Isolation of Work Area

1. All lead work areas shall remain isolated from all other workers of the project and remain inaccessible to the public. Contractor shall monitor the access to the lead work areas.

C. Defective existing flat-surfaced plaster segments: Carefully cut and remove

existing defective and unsound plaster down to surface of sound plaster or brick masonry.

D. Prominent cracks in existing plaster surfaces, and condition at interfacing

between new patching plaster and existing plaster surfaces: Carefully key-cut the existing plaster edge to a uniform 45 degree angle, and thoroughly dry-brush the cuts to remove all loose plaster particles.

3.03 APPLICATION OF PATCHING PLASTERS

A. Scratch coat: Apply with sufficient material and pressure to cover well and key into existing plaster or brick masonry, then scratch to a rough surface to provide proper bond for the brown coat.

B. Brown coat: Apply brown coat to the firm and hard scratch coat, spreading the

brown coat over and entire area, without laps or joinings, in a thickness of not less than 1/4-inch over the scratch coat, and bring to a straight and true plane by rodding in every direction. Leave the surface of the brown coat rough for proper bonding of the finish coat at all times.

C. Finish coat: Apply the finish coat to an entire elevation, without laps or

joinings, in a thickness of 1/8 to 1/4-inch over the brown coat, doubling back



as necessary to provide a uniformly smooth dense finish, free from blemishes and irregularities. Trowel using a soft rubber float to achieve proper texture and blend edges.

D. Total thickness and number of base coats and finish coats: As required to

match the overall thickness of the existing plaster.

E. After plaster patching has fully cured, thoroughly hand sand the surface with fine grit sandpaper, leaving the surfaces at the same plane as the surrounding existing plaster, completely smooth and ready to receive the applied finishes.

3.04 CLEAN-UP

A. After completion of plastering work, remove equipment and tools, and clean all walls, floors, and other surfaces, free from deposits of plaster and lathing materials.



GYPSUM BOARD ASSEMBLIES 09211-1

SECTION 09211 – GYPSUM BOARD ASSEMBLIES

PART 1 – GENERAL 1.1 GENERAL PROVISIONS

A. Attention is directed to the CONTRACT AND GENERAL CONDITIONS and all

Sections within DIVISION 01 – GENERAL REQUIREMENTS, which are hereby made a part of this Section of the Specifications.


A. Work Included: Provide labor, materials and equipment necessary to complete the

work of this Section, including but not limited to the following:

1. Interior gypsum wallboard 2. Tile backing panels 3. Acoustic insulation in gypsum wallboard assemblies 4. Non-load-bearing steel framing 5. Installation of access panels

B. Alternates: Not Applicable.

C. Items To Be Installed Only: Not Applicable.

D. Items To Be Furnished Only: Not Applicable.

E. Related Work: The following items are not included in this Section and will be

performed under the designated Sections:

1. Section 054000 – COLD-FORMED METAL FRAMING for load-bearing steel framing.

2. Section 061600 - SHEATHING for gypsum sheathing at exterior assemblies. 3. Section 083110 - ACCESS DOORS AND FRAMES for installation in gypsum

board assemblies. 4. Section 092120 - GYPSUM BOARD SHAFT WALL ASSEMBLIES for framing,

gypsum panels, other components of shaft wall assemblies, and finishing gypsum board shaft wall assemblies.

5. Section 092600 - GYPSUM VENEER PLASTERING for gypsum base at veneer plaster and veneer plaster finish.

1.3 PERFORMANCE REQUIREMENTS

A. Structural Performance: Provide fire stop tracks capable of withstanding deflection

within limits and under conditions indicated. 1. Design framing system to maintain clearances at openings, to allow for

construction



1.4 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Samples: Full-size Sample in 12-inch-long length for each trim accessory indicated. 1.5 QUALITY ASSURANCE

A. Fire-Resistance-Rated Assemblies: For fire-resistance-rated assemblies, provide materials and construction identical to those tested in assembly indicated according to ASTM E 119 by an independent testing agency.

B. STC-Rated Assemblies: For STC-rated assemblies, provide materials and construction identical to those tested in assembly indicated according to ASTM E 90 and classified according to ASTM E 413 by an independent testing agency.

C. Drywall Recycling: All new paper-faced gypsum wallboard scrap (cuts from

construction but not demolition waste) shall be recycled by Gypsum Recycling America LLC or approved equal.

D. Mockups: Before beginning gypsum board installation, install mockups of at least 100

sq. ft. in surface area to demonstrate aesthetic effects and set quality standards for materials and execution.

1. Install mockups for the following:

a. Each level of gypsum board finish indicated for use in exposed locations. b. Each texture finish indicated.

2. Apply or install final decoration indicated, including painting and wallcoverings,

on exposed surfaces for review of mockups.

3. Simulate finished lighting conditions for review of mockups.

4. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

1.6 STORAGE AND HANDLING

A. Store materials inside under cover and keep them dry and protected against damage from weather, condensation, direct sunlight, construction traffic, and other causes. Stack panels flat to prevent sagging.


A. Environmental Limitations: Comply with ASTM C 840 requirements or gypsum board manufacturer's written recommendations, whichever are more stringent.



B. Do not install interior products until installation areas are enclosed and conditioned.

C. Do not install panels that are wet, those that are moisture damaged, and those that are

mold damaged.

1. Indications that panels are wet or moisture damaged include, but are not limited to, discoloration, sagging, or irregular shape.

2. Indications that panels are mold damaged include, but are not limited to, fuzzy or splotchy surface contamination and discoloration.

PART 2 – PRODUCTS 2.1 NON-LOAD-BEARING STEEL FRAMING, GENERAL

A. Framing Members, General: Comply with ASTM C 754 for conditions indicated.

1. Steel Sheet Components: Comply with ASTM C 645 requirements for metal,

unless otherwise indicated. 2. Protective Coating: manufacturer's standard corrosion-resistant zinc coating, unless

otherwise indicated. 2.2 SUSPENSION SYSTEM COMPONENTS

A. Tie Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.0625-inch-diameter wire, or double strand of 0.0475-inch-diameter wire.

B. Hanger Attachments to Concrete:

1. Anchors: Fabricated from corrosion-resistant materials with holes or loops for attaching wire hangers and capable of sustaining, without failure, a load equal to 5 times that imposed by construction as determined by testing according to ASTM E 488 by an independent testing agency. a. Type: Postinstalled, expansion anchor.

C. Wire Hangers: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.162-

inch diameter.

D. Carrying Channels: Cold-rolled, commercial-steel sheet with a base-metal thickness of 0.0538 inch and minimum 1/2-inchwide flanges with depth as required for span and loading and indicated on Drawings.

E. Furring Channels (Furring Members): 0.0538-inch bare-steel thickness, with

minimum 1/2-inchwide flanges, 3/4 inch deep.

F. Grid Suspension System for Ceilings: ASTM C 645, direct-hung system composed



of main beams and cross-furring members that interlock.

1. Available Products: Subject to compliance with requirements, products that may be incorporated into the Work include, but are not limited to, the following: a. Armstrong World Industries, Inc.; Drywall Grid Systems. b. Chicago Metallic Corporation; Drywall Furring System c. USG Corporation; Drywall Suspension System

2.3 STEEL FRAMING FOR FRAMED ASSEMBLIES

A. Steel Studs and Runners: ASTM C 645 1. Minimum Base-Metal Thickness: 0.0312 inch.

B. Slip-Type Head Joints: Where indicated, provide one of the following:

1. Single Long-Leg Runner System: ASTM C 645 top runner with 2-inch- deep flanges in thickness not less than indicated for studs, installed with studs friction fit into top runner and with continuous bridging located within 12 inches of the top of studs to provide lateral bracing.

2. Double-Runner System: ASTM C 645 top runners, inside runner with 2-inch-deep flanges in thickness not less than indicated for studs and fastened to studs, and outer runner sized to friction fit inside runner.

3. Deflection Track: Steel sheet top runner manufactured to prevent cracking of finishes applied to interior partition framing resulting from deflection of structure above; in thickness not less than indicated for studs and in width to accommodate depth of studs. a. Available Products: Subject to compliance with requirements, products that

may be incorporated into the Work include, but are not limited to, the following: 1) Steel Network Inc. (The); VertiClip Series. 2) Superior Metal Trim; Superior Flex Track System (SFT).

C. Fire Stop Tracks: Top runner manufactured to allow partition heads to expand and

contract with movement of the structure while maintaining continuity of fire-resistance-rated assembly indicated; in thickness compatible with studs and in width to accommodate depth of studs. 1. Grace Construction Products; FlameSafe FlowTrak System. 2. Fire Trak Corp.; Fire Trak attached to studs with Fire Trak Slip Clip. 3. Metal-Lite, Inc.; The System.

D. Flat Strap and Backing Plate: Steel sheet for blocking and bracing in length and width

indicated.



1. Minimum Base-Metal Thickness: 0.0312 inch.

E. Cold-Rolled Channel Bridging: 0.0538-inch bare-steel thickness, with minimum 1/2-

inchwide flanges. 1. Depth: 1-1/2 inches. 2. Clip Angle: Not less than 1-1/2 by 1-1/2 inches, 0.068-inch-thick, galvanized steel.

F. Hat-Shaped, Rigid Furring Channels: ASTM C 645.

1. Minimum Base Metal Thickness: 0.0312 inch.. 2. Depth: 1-1/2 inches..

G. Resilient Furring Channels: 1/2-inch-deep, steel sheet members designed to reduce

sound transmission. 1. Configuration: Asymmetrical or hat shaped.

H. Z-Shaped Furring: With slotted or nonslotted web, face flange of 1-1/4 inches wall

attachment flange of 7/8 inch, minimum bare-metal thickness of 0.0179 inch, and depth required to fit insulation thickness indicated.

I. Fasteners for Metal Framing: Of type, material, size, corrosion resistance, holding power, and other properties required to fasten steel members to substrates.

J. Isolation Strip at Exterior Walls: Adhesive-backed, closed-cell vinyl foam strips that

allow fastener penetration without foam displacement, 1/8 inch thick, in width to suit steel stud size.

2.4 INTERIOR GYPSUM BOARD

A. General: Complying with ASTM C 36/C 36M or ASTM C 1396/C 1396M, as applicable to type of gypsum board indicated and whichever is more stringent. 1. Available Manufacturers: Subject to compliance with requirements, manufacturers

offering products that may be incorporated into the Work include, but are not limited to, the following: a. USG Corporation. b. G-P Gypsum. c. National Gypsum Company.

B. Fire-Resistant Type X:

1. Thickness: 5/8 inch. 2. Long Edges: Tapered.



C. Flexible Type: Manufactured to bend to fit radii and to be more flexible than standard regular type gypsum board of same thickness. 1. Thickness: 1/4 inch. 2. Long Edges: Tapered.

D. Ceiling Type: Manufactured to have more sag resistance than regular-type gypsum

board. 1. Thickness: 1/2 inch. 2. Long Edges: Tapered.

E. Abuse-Resistant Type: Manufactured to produce greater resistance to surface

indentation and through-penetration (impact resistance) than standard, regular-type and Type X gypsum board. 1. Core: 5/8 inch , Type X. 2. Long Edges: Tapered.

2.5 TILE BACKING PANELS

A. Cementitious Backer Units: ANSI A108.1. 1. Available Products: Subject to compliance with requirements, products that may be

incorporated into the Work include, but are not limited to, the following: a. Custom Building Products; Wonderboard. b. FinPan, Inc.; Util-A-Crete Concrete Backer Board. c. USG Corporation; DUROCK Cement Board.

2. Thickness: 1/2 inch.

2.6 TRIM ACCESSORIES

A. Interior Trim: ASTM C 1047. 1. Material: Galvanized or aluminum-coated steel sheet or rolled zinc. 2. Shapes:

a. Cornerbead. b. Bullnose bead. c. LC-Bead: J-shaped; exposed long flange receives joint compound. d. Expansion (control) joint. e. Curved-Edge Cornerbead: With notched or flexible flanges.

B. Aluminum Trim: Extruded accessories of profiles and dimensions indicated.

1. Available Manufacturers: Subject to compliance with requirements, manufacturers



offering products that may be incorporated into the Work include, but are not limited to, the following: a. Fry Reglet Corp. b. Gordon, Inc. c. Pittcon Industries.

2. Aluminum: Alloy and temper with not less than the strength and durability

properties of ASTM B 221, Alloy 6063-T5.

3. Finish: Corrosion-resistant primer compatible with joint compound and finish materials specified.

2.7 JOINT TREATMENT MATERIALS

A. General: Comply with ASTM C 475/C 475M.

B. Joint Tape:

1. Interior Gypsum Wallboard: Paper. 2. Exterior Gypsum Soffit Board: Paper. 3. Glass-Mat Gypsum Sheathing Board: 10-by-10 glass mesh. 4. Tile Backing Panels: As recommended by panel manufacturer.

C. Joint Compound for Interior Gypsum Wallboard: For each coat use formulation that is

compatible with other compounds applied on previous or for successive coats. 1. Prefilling: At open joints, rounded or beveled panel edges, and damaged surface

areas, use setting-type taping compound. 2. Embedding and First Coat: For embedding tape and first coat on joints, fasteners,

and trim flanges, use setting-type taping compound. 3. Fill Coat: For second coat, use setting-type, sandable topping compound. 4. Finish Coat: For third coat, use setting-type, sandable topping compound. 5. Skim Coat: For final coat of Level 5 finish, use setting-type, sandable topping

compound.

D. Joint Compound for Tile Backing Panels: 1. Cementitious Backer Units: As recommended by backer unit manufacturer.

2.8 AUXILIARY MATERIALS

A. General: Provide auxiliary materials that comply with referenced installation standards and manufacturer's written recommendations.

B. Laminating Adhesive: Adhesive or joint compound recommended for directly adhering gypsum panels to continuous substrate.



1. Use adhesives that have a VOC content of 50 g/L or less when calculated

according to 40 CFR 59, Subpart D (EPA Method 24).

C. Steel Drill Screws: ASTM C 1002, unless otherwise indicated. 1. Use screws complying with ASTM C 954 for fastening panels to steel members

from 0.033 to 0.112 inch thick. 2. For fastening cementitious backer units, use screws of type and size recommended

by panel manufacturer.

D. Sound Attenuation Blankets: ASTM C 665, Type I (blankets without membrane facing) produced by combining thermosetting resins with mineral fibers manufactured from glass, slag wool, or rock wool. 1. Fire-Resistance-Rated Assemblies: Comply with mineral-fiber requirements of

assembly.

E. Acoustical Sealant: Subject to compliance with requirements, products that may be incorporated into the Work include, but are not limited to, the following: 1. Use sealants that have a VOC content of 250 g/L or less when calculated according

to 40 CFR 59, Subpart D (EPA Method 24). 2. Acoustical Sealant for Exposed and Concealed Joints:

a. Pecora Corp.; AC-20 FTR Acoustical and Insulation Sealant. b. United States Gypsum Co.; SHEETROCK Acoustical Sealant.

3. Acoustical Sealant for Concealed Joints:

a. Ohio Sealants, Inc.; Pro-Series SC-170 Rubber Base Sound Sealant. b. Pecora Corp.; BA-98. c. Tremco, Inc.; Tremco Acoustical Sealant.

PART 3 – EXECUTION 3.1 EXAMINATION

A. Examine areas and substrates, with Installer present, and including welded hollow-metal frames and framing, for compliance with requirements and other conditions affecting performance.

B. Examine panels before installation. Reject panels that are wet, moisture damaged, and mold damaged.

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



3.2 PREPARATION

A. Suspended Assemblies: Coordinate installation of suspension systems with installation of overhead structure to ensure that inserts and other provisions for anchorages to building structure have been installed to receive hangers at spacing required to support the Work and that hangers will develop their full strength. 1. Furnish concrete inserts and other devices indicated to other trades for installation

in advance of time needed for coordination and construction.

B. Coordination with Sprayed Fire-Resistive Materials: 1. Before sprayed fire-resistive materials are applied, attach offset anchor plates or

ceiling runners (tracks) to surfaces indicated to receive sprayed fire-resistive materials. Where offset anchor plates are required, provide continuous plates fastened to building structure not more than 24 inches o.c.

2. After sprayed fire-resistive materials are applied, remove them only to extent necessary for installation of non-load-bearing steel framing. Do not reduce thickness of fire-resistive materials below that required for fire-resistance ratings indicated. Protect adjacent fire-resistive materials from damage.

3.3 INSTALLATION, GENERAL

A. Installation Standard: ASTM C 754. Also comply with requirements in ASTM C 840 that apply to framing installation.

B. Install supplementary framing, and blocking to support fixtures, equipment services, heavy trim, grab bars, toilet accessories, furnishings, or similar construction.

C. Install bracing at terminations in assemblies.

D. Do not bridge building control and expansion joints with non-load-bearing steel

framing members. Frame both sides of joints independently. 3.4 INSTALLATION SUSPENSION SYSTEMS

A. Install suspension system components in sizes and spacings indicated on Drawings, but not less than those required by referenced installation standards for assembly types and other assembly components indicated.

B. Isolate suspension systems from building structure where they abut or are penetrated by building structure to prevent transfer of loading imposed by structural movement.

C. Suspend hangers from building structure as follows:

1. Install hangers plumb and free from contact with insulation or other objects within

ceiling plenum that are not part of supporting structural or suspension system.



a. Splay hangers only where required to miss obstructions and offset resulting

horizontal forces by bracing, counters playing, or other equally effective means.

2. Where width of ducts and other construction within ceiling plenum produces hanger spacings that interfere with locations of hangers required to support standard suspension system members, install supplemental suspension members and hangers in the form of trapezes or equivalent devices. a. Size supplemental suspension members and hangers to support ceiling loads

within performance limits established by referenced installation standards.

3. Wire Hangers: Secure by looping and wire tying, either directly to structures or to inserts, eye screws, or other devices and fasteners that are secure and appropriate for substrate, and in a manner that will not cause hangers to deteriorate or otherwise fail.

4. Flat Hangers: Secure to structure, including intermediate framing members, by attaching to inserts, eye screws, or other devices and fasteners that are secure and appropriate for structure and hanger, and in a manner that will not cause hangers to deteriorate or otherwise fail.

5. Do not attach hangers to steel roof deck.

6. Do not attach hangers to permanent metal forms. Furnish cast-in-place hanger

inserts that extend through forms.

7. Do not attach hangers to rolled-in hanger tabs of composite steel floor deck.

8. Do not connect or suspend steel framing from ducts, pipes, or conduit.

D. Fire-Resistance-Rated Assemblies: Wire tie furring channels to supports.

E. Seismic Bracing: Sway-brace suspension systems with hangers used for support.

F. Grid Suspension Systems: Attach perimeter wall track or angle where grid suspension systems meet vertical surfaces. Mechanically join main beam and cross-furring members to each other and butt-cut to fit into wall track.

G. Installation Tolerances: Install suspension systems that are level to within [1/8 inch in

12 feet measured lengthwise on each member that will receive finishes and transversely between parallel members that will receive finishes.

3.5 INSTALLING FRAMED ASSEMBLIES

A. Where studs are installed directly against exterior masonry walls or dissimilar metals at exterior walls, install isolation strip between studs and exterior wall.



B. Install studs so flanges within framing system point in same direction.

C. Install tracks (runners) at floors and overhead supports. Extend framing full height to

structural supports or substrates above suspended ceilings, except where partitions are indicated to terminate at suspended ceilings. Continue framing around ducts penetrating partitions above ceiling.

1. Slip-Type Head Joints: Where framing extends to overhead structural supports,

install to produce joints at tops of framing systems that prevent axial loading of finished assemblies.

2. Door Openings: Screw vertical studs at jambs to jamb anchor clips on doorframes; install runner track section (for cripple studs) at head and secure to jamb studs. a. Install two studs at each jamb, unless otherwise indicated. b. Install cripple studs at head adjacent to each jamb stud, with a minimum 1/2-

inch clearance from jamb stud to allow for installation of control joint in finished assembly.

c. Extend jamb studs through suspended ceilings and attach to underside of overhead structure.

3. Other Framed Openings: Frame openings other than door openings the same as required for door openings, unless otherwise indicated. Install framing below sills of openings to match framing required above door heads.

4. Fire-Resistance-Rated Partitions: Install framing to comply with fire-resistance-rated assembly indicated and support closures and to make partitions continuous from floor to underside of solid structure.

a. Firestop Track: Where indicated, install to maintain continuity of fire-

resistance-rated assembly indicated.

5. Sound-Rated Partitions: Install framing to comply with sound-rated assembly indicated.

6. Curved Partitions:

a. Bend track to uniform curve and locate straight lengths so they are tangent to arcs.

b. Begin and end each arc with a stud, and space intermediate studs equally along arcs. On straight lengths of not less than 2 studs at ends of arcs, place studs 6 inches o.c.

D. Direct Furring: Attach to concrete or masonry with stub nails, screws designed for masonry attachment, or powder-driven fasteners spaced 24 inches o.c.

E. Z-Furring Members:



1. Erect insulation vertically and hold in place with Z-furring members spaced 24

inches o.c. 2. Except at exterior corners, securely attach narrow flanges of furring members to

wall with concrete stub nails, screws designed for masonry attachment, or powder-driven fasteners spaced 24 inches o.c.

3. At exterior corners, attach wide flange of furring members to wall with short flange extending beyond corner; on adjacent wall surface, screw-attach short flange of furring channel to web of attached channel. At interior corners, space second member no more than 12 inches from corner and cut insulation to fit.

3.6 APPLYING AND FINISHING PANELS, GENERAL

A. Comply with ASTM C 840.

B. Install ceiling panels across framing to minimize the number of abutting end joints and to avoid abutting end joints in central area of each ceiling. Stagger abutting end joints of adjacent panels not less than one framing member.

C. Install panels with face side out. Butt panels together for a light contact at edges and

ends with not more than 1/16 inch of open space between panels. Do not force into place.

D. Locate edge and end joints over supports, except in ceiling applications where

intermediate supports or gypsum board back blocking is provided behind end joints. Do not place tapered edges against cut edges or ends. Stagger vertical joints on opposite sides of partitions. Do not make joints other than control joints at corners of framed openings.

E. Form control and expansion joints with space between edges of adjoining gypsum

panels.

F. Cover both faces of support framing with gypsum panels in concealed spaces (above ceilings, etc.), except in chases braced internally.

1. Unless concealed application is indicated or required for sound, fire, air, or smoke

ratings, coverage may be accomplished with scraps of not less than 8 sq. ft. in area. 2. Fit gypsum panels around ducts, pipes, and conduits. 3. Where partitions intersect structural members projecting below underside of

floor/roof slabs and decks, cut gypsum panels to fit profile formed by structural members; allow 1/4- to 3/8-inchwide joints to install sealant.

G. Isolate perimeter of gypsum board applied to non-load-bearing partitions at structural abutments, except floors. Provide 1/4- to 1/2-inchwide spaces at these locations, and trim edges with edge trim where edges of panels are exposed. Seal joints between edges and abutting structural surfaces with acoustical sealant.

H. Attachment to Steel Framing: Attach panels so leading edge or end of each panel is



attached to open (unsupported) edges of stud flanges first. 3.7 APPLYING INTERIOR GYPSUM BOARD

A. Single-Layer Application: 1. On ceilings, apply gypsum panels before wall/partition board application to

greatest extent possible and at right angles to framing, unless otherwise indicated. 2. On partitions/walls, apply gypsum panels to minimize end joints. 3. On Z-furring members, apply gypsum panels vertically (parallel to framing) with

no end joints. Locate edge joints over furring members. 4. Fastening Methods: Apply gypsum panels to supports with steel drill screws.

B. Multilayer Application:

1. On ceilings, apply gypsum board indicated for base layers before applying base

layers on walls/partitions; apply face layers in same sequence. Apply base layers at right angles to framing members and offset face-layer joints 1 framing member, 16 inches minimum, from parallel base-layer joints, unless otherwise indicated or required by fire-resistance-rated assembly.

2. On partitions/walls, apply gypsum board indicated for base layers and face layers vertically (parallel to framing) with joints of base layers located over stud or furring member and face-layer joints offset at least one stud or furring member with base-layer joints, unless otherwise indicated or required by fire-resistance-rated assembly. Stagger joints on opposite sides of partitions.

3. On Z-furring members, apply base layer vertically (parallel to framing) and face

layer either vertically (parallel to framing) or horizontally (perpendicular to framing) with vertical joints offset at least one furring member. Locate edge joints of base layer over furring members.

4. Fastening Methods: Fasten base layers and face layers separately to supports with

screws.

C. Laminating to Substrate: Where gypsum panels are indicated as directly adhered to a substrate (other than studs, joists, furring members, or base layer of gypsum board), comply with gypsum board manufacturer's written recommendations and temporarily brace or fasten gypsum panels until fastening adhesive has set.

D. Curved Surfaces:

1. Install panels horizontally (perpendicular to supports) and unbroken, to extent possible, across curved surface plus 12-inch-long straight sections at ends of curves and tangent to them.

2. For double-layer construction, fasten base layer to studs with screws 16 inches o.c. Center gypsum board face layer over joints in base layer, and fasten to studs with screws spaced 12 inches o.c.



3.8 APPLYING TILE BACKING PANELS

A. Cementitious Backer Units: ANSI A108.1, at locations indicated to receive tile, with joints treated to comply with ANSI A108.11.

B. Areas Not Subject to Wetting: Install regular-type gypsum wallboard panels to produce a flat surface except at showers, tubs, and other locations indicated to receive water-resistant panels.

C. Where tile backing panels abut other types of panels in same plane, shim surfaces to

produce a uniform plane across panel surfaces. 3.9 INSTALLING TRIM ACCESSORIES

A. General: For trim with back flanges intended for fasteners, attach to framing with same fasteners used for panels. Otherwise, attach trim according to manufacturer's written instructions.

B. Control Joints: Install control joints according to ASTM C 840 and in specific locations approved by Architect for visual effect.

C. Interior Trim: Install in the following locations:

1. Cornerbead: Use at outside corners, unless otherwise indicated. 2. LC-Bead: Use at exposed panel edges. 3. Curved-Edge Cornerbead: Use at curved openings.

D. Aluminum Trim: Install in locations indicated on Drawings.

3.10 FINISHING GYPSUM BOARD

A. General: Treat gypsum board joints, interior angles, edge trim, control joints, penetrations, fastener heads, surface defects, and elsewhere as required to prepare gypsum board surfaces for decoration. Promptly remove residual joint compound from adjacent surfaces.

B. Prefill open joints, rounded or beveled edges, and damaged surface areas.

C. Apply joint tape over gypsum board joints, except those with trim having flanges not intended for tape.

D. Gypsum Board Finish Levels: Finish panels to levels indicated below:

1. Level 1: Ceiling plenum areas and concealed areas not exposed to view. 2. Level 2: Panels that are substrate for tile. 3. Level 4: Panel surfaces that will be exposed to view (typical panels). 4. Level 5: Where indicated on Drawings.



E. Cementitious Backer Units: Finish according to manufacturer's written instructions.

3.11 PROTECTION

A. Protect installed products from damage from weather, condensation, direct sunlight, construction, and other causes during remainder of the construction period.

B. Remove and replace panels that are wet, moisture damaged, or exhibit mold growth. Repair of damaged panels in place is not acceptable.

1. Indications that panels are wet or moisture damaged include, but are not limited to,

discoloration, sagging, or irregular shape. 2. Indications that panels are mold damaged include, but are not limited to, fuzzy or

splotchy surface contamination and discoloration.



ACOUSTIC GYPSUM PLASTER 09230-1

SECTION 09230 - ACOUSTIC GYPSUM PLASTER PART 1 – GENERAL 1.1 GENERAL PROVISIONS

A. Attention is directed to the CONTRACT AND GENERAL CONDITIONS and all Sections within DIVISION 01 - GENERAL REQUIREMENTS which are hereby made a part of this Section of the Specifications.


A. Work Included: Provide labor, materials and equipment necessary to complete the work of this Section, including but not limited to the following:

1. Acoustical plaster trowel-applied over absorbent substrates at walls and ceilings. 2. Acoustical plaster spray-applied over gypsum board at walls and ceilings.

B. Alternates: Not Applicable. C. Items To Be Installed Only: Not Applicable. D. Items To Be Furnished Only: Not Applicable. E. Related Work: The following items are not included in this Section and will be performed under the designated Sections:

1. Section 09210 - GYPSUM BOARD ASSEMBLIES for non-load-bearing steel framing and furring that support plaster; for sound attenuation blankets and acoustical sealants. 2. Section 09260 - GYPSUM VENEER PLASTERING for gypsum-based veneer plaster applied on gypsum base for veneer plaster, unit masonry, and monolithic concrete.

1.3 SUBMITTALS

A. Product Data: For each type of product indicated. B. Shop Drawings: Show locations, fabrication, and installation of control and expansion joints including plans, elevations, sections, details of components, and attachments to other Work. C. Samples: For the following products:

1. Trim Accessories: Full-size Sample in 6 inch length for each trim accessory indicated. 2. Textured Finishes: Manufacturer's standard size for each textured finish indicated and on rigid backing.



1.4 QUALITY ASSURANCE

A. Source Limitations for Acoustical Plaster Products: Obtain acoustical plaster products, including joint reinforcing tape, embedding material, and plasters, from a single manufacturer. B. Sound Transmission Characteristics: Where indicated, provide gypsum plaster assemblies identical to those of assemblies tested for STC ratings per ASTM E 90 and classified according to ASTM E 413 by a qualified testing agency. C. Finish Mockups: Apply mockups of at least 100 sq. ft. in surface area to demonstrate aesthetic effects and qualities of materials and execution.

1. Apply mockups for the following applications: a. Walls and Partitions: Smooth finishes. b. Ceilings: Smooth finishes.

2. Simulate finished lighting conditions for review of mockups. 3. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials in original packages, containers, or bundles bearing brand name and identification of manufacturer or supplier. B. Store materials inside under cover and keep them dry and protected against damage from weather, direct sunlight, surface contamination, corrosion, construction traffic, and other causes.

1. Absorbent Base for Acoustical Plaster: Stack panels flat to prevent sagging. 1.6 PROJECT CONDITIONS

A. Comply with ASTM C 842 requirements or gypsum plaster manufacturer's written recommendations, whichever are more stringent. B. Room Temperatures: Maintain temperatures at not less than 55 deg F or greater than 80 deg F for at least seven days before application of gypsum plaster, continuously during application, and for seven days after plaster has set or until plaster has dried. C. Avoid conditions that result in plaster drying too rapidly.

1. Distribute heat evenly; prevent concentrated or uneven heat on plaster. 2. Maintain relative humidity levels for prevailing ambient temperature that produces normal drying conditions. 3. Ventilate building spaces in a manner that prevents drafts of air from contacting surfaces during plaster application and until it is dry.



PART 2 - PRODUCTS 2.1 TROWEL-APPLIED ACOUSTICAL PLASTER PANELS AND FINISH

A. Available Products: Subject to compliance with requirements, provide products by one of the following:

1. Pyrok, Inc.; StarSilent Panel System. 2. Sound Solutions Construction Services, LLC; BASWAPhon Classic Finish. 3. Fellert USA, Inc.; Fellert Ecoustic.

B. Characteristics:

1. Panels: Provide 1 in. thick, 6 lb density, sound absorbing fiberglass or mineral wool board. 2. Base coat plaster. 3. Top coat plaster. 4. Color: Natural white. 5. Texture: Smooth to match Architect’s sample.

C. Performance:

1. NRC: 0.70 – 0.75 min. per ASTM C 423 Mounting Type E400. 2. Light Reflectance: 0.79 per ASTM E 1477. 3. Flame Spread: Class A per ASTM E 84.


A. General: Provide auxiliary materials that comply with referenced installation standards and manufacturer's written recommendations. B. Primers and Adhesives: As recommended by the manufacturer. C. Fasteners: Provide concealed stainless steel fasteners, as recommended by manufacturer. D. Metal Trim Accessories: Comply with ASTM C 841 and coordinate depth of trim and accessories with thicknesses and number of plaster coats required. Provide accessories of profiles and dimensions indicated on Drawings. E. Sound Attenuation Blankets and Acoustical Sealant: Refer to Section 09210 – GYPSUM BOARD ASSEMBLIES. F. Water: Clean, fresh, potable, and free of mineral or organic matter.

2.5 PLASTER MIXES

A. Mixing: Comply with ASTM C 842 and manufacturer's written instructions for applications indicated.



PART 3 - EXECUTION 3.1 EXAMINATION

A. Examine areas and substrates, with Installer present, and including welded hollow-metal frames, cast-in anchors, and structural framing, for compliance with requirements and other conditions affecting performance. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Suspended Ceilings: Coordinate installation of ceiling suspension systems with installation of overhead structure to ensure that inserts and other provisions for anchorages to building structure have been installed to receive ceiling hangers at spacing required to support ceilings and that hangers will develop their full strength.

B. Coordination with Sprayed Fire-Resistive Materials:

1. Before sprayed fire-resistive materials are applied, attach offset anchor plates or ceiling runners (tracks) to surfaces indicated to receive sprayed fire-resistive materials. Where offset anchor plates are required, provide continuous plates fastened to building structure not more than 24 inches o.c. 2. After sprayed fire-resistive materials are applied, remove them only to extent necessary for installation of plaster assemblies and without reducing the fire-resistive material thickness below that required to obtain fire-resistance rating indicated. Protect remaining fire-resistive materials from damage.

C. Monolithic Concrete Substrates: Prepare for plastering according to plaster manufacturer's written recommendations and as follows:

1. Clean surfaces to remove dust, loose particles, grease, oil, incompatible curing compounds, form-release agents, and other foreign matter and deposits that could impair bond with bonding compound and plaster. 2. Remove ridges and protrusions greater than 1/8 inch and fill all depressions greater than1/4 inch with portland cement mortar. Allow to set and dry. 3. Apply bonding compound on dry and fully cured concrete substrates.


A. Fire-Resistance-Rated Assemblies: Install components according to requirements for design designations from listing organization and publication indicated on Drawings. B. STC-Rated Assemblies: Install components according to requirements for design designations from listing organization and publication indicated on Drawings.

1. Seal construction at perimeters, behind control and expansion joints, and at openings and penetrations with a continuous bead of acoustical sealant. Install



acoustical sealant at both faces of partitions at perimeters and through penetrations. 2. Comply with ASTM C 919 and manufacturer's written recommendations for locating edge trim and closing off sound-flanking paths around or through assemblies, including sealing partitions above acoustical ceilings.

C. Sound Attenuation Blankets: Where required, install blankets before installing lath unless blankets are readily installed after lath has been installed on one side. D. Acoustical Sealant: Where required, seal joints between edges of plasterwork and abutting construction with acoustical sealant.

3.4 INSTALLING ACCESSORIES

A. General: Install according to ASTM C 841. B. Cornerbeads: Install at external corners. C. Casing Beads: Install at terminations of plasterwork, except where plaster passes behind and is concealed by other work and where metal screeds, bases, or frames act as casing beads. D. Control Joints: Install control joints at locations indicated on Drawings.

3.5 PLASTER APPLICATION

A. General: Comply with ASTM C 842 and with manufacturer's written recommendations.

1. Do not deviate more than plus or minus 1/8 inch in 10 feet from a true plane in finished plaster surfaces, as measured by a 10-foot straightedge placed on surface.

B. Plaster Finish: Smooth textured finish matching Architect's sample and approved mockups.

3.6 PLASTER REPAIRS

A. Repair or replace work to eliminate cracks, dents, blisters, buckles, crazing and check cracking, dry outs, efflorescence, sweat outs, and similar defects and where bond to substrate has failed.

3.7 CLEANING AND PROTECTION

A. Remove temporary protection and enclosure of other work. Promptly remove plaster from door frames, windows, and other surfaces not indicated to be plastered. Repair floors, walls, and other surfaces stained, marred, or otherwise damaged during plastering.



GYPSUM VENEER PLASTERING 09260-1

SECTION 09260 – GYPSUM VENEER PLASTERING

PART 1 – GENERAL 1.1 GENERAL PROVISIONS

A. Attention is directed to the CONTRACT AND GENERAL CONDITIONS and all

Sections within DIVISION 01 – GENERAL REQUIREMENTS, which are hereby made a part of this Section of the Specifications.


A. Work Included: Provide labor, materials and equipment necessary to complete the

work of this Section, including but not limited to the following:

1. Gypsum veneer plaster and gypsum base for veneer plaster.

B. Alternates: Not Applicable.

C. Items To Be Installed Only: Not Applicable.

D. Items To Be Furnished Only: Not Applicable.

E. Related Work: The following items are not included in this Section and will be performed under the designated Sections:

1. Section 083110 – ACCESS DOORS AND FRAMES for installation in gypsum

veneer plaster. 2. Section 092110 – GYPSUM BOARD ASSEMBLIES for steel stud framing that

support lath and gypsum plaster. 3. Section 079200 – JOINT SEALANTS for acoustical sealants included in gypsum

plasterassemblies.

1.3 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Shop Drawings: Show locations, fabrication, and installation of control joints, and reveals and trim; include plans, elevations, sections, details of components, and attachments to other work.

C. Samples: For the following products:

1. Trim Accessories: Full-size Sample in 12-inch length for each trim accessory.


A. Fire-Resistance-Rated Assemblies: Provide materials and construction identical to



those tested in assembly indicated according to ASTM E 119 by a testing and inspecting agency.

B. Mockups: Provide a full-thickness finish mockup for each type and finish of gypsum veneer plaster and substrate to demonstrate aesthetic effects and set quality standards for materials and execution.

1. Architect will select representative surfaces and conditions for application of each

type of gypsum veneer plaster and substrate. 2. Provide mockups in sizes of at least 100 sq. ft.. 3. Apply gypsum veneer plaster, according to requirements for the completed Work,

after permanent lighting and other environmental services have been activated. 4. Approved mockups may become part of the completed Work if undisturbed at time

of Substantial Completion.

C. Preinstallation Conference: Conduct conference at Project site to comply with requirements in Division 01.

1.5 DELIVERY, STORAGE AND HANDLING

A. Deliver materials in original packages, containers, and bundles bearing brand name and identification of manufacturer or supplier.

B. Store materials inside under cover and keep them dry and protected against damage from weather, direct sunlight, surface contamination, corrosion, construction traffic, and other causes.

C. Stack panels flat on leveled supports off floor or slab to prevent sagging.


A. Environmental Limitations: Comply with ASTM C 843 requirements or gypsum veneer plaster manufacturer's written recommendations, whichever are more stringent.

B. Room Temperatures: Maintain not less than 55 deg F or more than 80 deg F for 7 days before application of gypsum veneer plaster, continuously during application, and after application until veneer plaster is dry.

C. Avoid conditions that result in gypsum veneer plaster drying too rapidly.

1. Distribute heat evenly; prevent concentrated or uneven heat on veneer plaster. 2. Maintain relative humidity levels, for prevailing ambient temperature, that produce

normal drying conditions. 3. Ventilate building spaces in a manner that prevents drafts of air from contacting

surfaces during veneer plaster application until it is dry.

D. Do not install panels that are wet, moisture damaged, or mold damaged.



1. Indications that panels are wet or moisture damaged include, but are not limited to, discoloration, sagging, and irregular shape.

2. Indications that panels are mold damaged include, but are not limited to, fuzzy or splotchy surface contamination and discoloration.

PART 2 – PRODUCTS 2.1 GYPSUM VENEER PLASTER MATERIALS

A. One-Component Gypsum Veneer Plaster: ASTM C 587, formulated for application

directly over substrate without use of separate base-coat material. 1. Available Products: Subject to compliance with requirements, products that may be

incorporated into the Work include, but are not limited to, the following: a. G-P Gypsum; Cameo Veneer Plaster. b. National Gypsum Company; Uni-Kal Plaster. c. USG Corporation; Diamond Interior Finish Plaster.

2.2 PANEL PRODUCTS

A. Panel Size: Provide in maximum lengths and widths available that will minimize joints in each area and that correspond with support system indicated.

B. Gypsum Base for Veneer Plaster: ASTM C 588/C 588M.

1. Regular Type: 1/2 inch thick, unless otherwise indicated. 2. Type X: 5/8 inch thick. 3. Type C: 5/8 inch thick.

2.3 TRIM ACCESSORIES

A. Standard Trim: ASTM C 1047, provided or approved by manufacturer for use in gypsum veneer plaster applications indicated.

1. Material: Galvanized or aluminum-coated steel sheet or rolled zinc. 2. Shapes: As indicated on the Drawings and as approved by the Architect:

a. Cornerbead. b. LC-Bead: J-shaped; exposed long flange receives joint compound. c. L-Bead: L-shaped; exposed long flange receives joint compound. d. U-Bead: J-shaped; exposed short flange does not receive joint compound. e. Control joints.

2.4 JOINT REINFORCING MATERIALS

A. General: Comply with joint strength requirements in ASTM C 587 and with gypsum



veneer plaster manufacturer's written recommendations for each application indicated.

B. Joint Tape:

1. Gypsum Base for Veneer Plaster: Open-mesh, glass fiber.

C. Embedding Material for Joint Tape:

1. Gypsum Base for Veneer Plaster: As recommended by gypsum veneer plaster manufacturer for use with joint-tape material and gypsum veneer plaster applications indicated.


A. General: Provide auxiliary materials that comply with referenced product standards and manufacturer's written recommendations.

B. Bonding Agent: ASTM C 631, polyvinyl acetate.

C. Steel Drill Screws: ASTM C 1002, unless otherwise indicated.

1. Use screws complying with ASTM C 954 for fastening panels to steel members from 0.033 to 0.112 inch thick.

2.6 GYPSUM VENEER PLASTER MIXES

A. Mechanically mix gypsum veneer plaster materials to comply with ASTM C 843 and with gypsum veneer plaster manufacturer's written recommendations.


A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance.

B. Examine panels before installation. Reject panels that are wet, moisture damaged, or mold damaged.

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

3.2 INSTALLING PANELS, GENERAL

A. Gypsum Base for Veneer Plaster: Apply according to ASTM C 844 unless manufacturer's written recommendations are more stringent. 1. Do not allow gypsum base to degrade from exposure to sunlight as evidenced by



fading of paper facing. 2. Erection Tolerance: No more than 1/16-inch offsets between planes of gypsum

base panels, and 1/8 inch in 8 feet noncumulative, for level, plumb, warp, and bow.

B. Install ceiling panels across framing to minimize the number of abutting end joints and to avoid abutting end joints in the central area of each ceiling. Stagger abutting end joints of adjacent panels not less than one framing member.

C. Install panels with face side out. Butt panels together for a light contact at edges and ends with not more than 1/16 inch of open space between panels. Do not force into place.

D. Locate edge and end joints over supports except in ceiling applications where

intermediate supports or back-blocking is provided behind end joints. Do not place tapered edges against cut edges or ends. Stagger vertical joints on opposite sides of partitions. Do not make joints, other than control joints, at corners of framed openings.

E. Attach panels to steel studs so leading edge or end of each panel is attached to open

(unsupported) edges of stud flanges first.

F. Attach panels to framing provided at openings and cutouts.

G. Form control joints with space between edges of adjoining panels.

H. Cover both sides of steel stud partition framing with panels in concealed spaces, including above ceilings, except in internally braced chases.

1. Unless concealed application is indicated or required for sound, fire, air, or smoke

ratings, coverage may be accomplished with scraps of not less than 8 sq. ft. in area. 2. Fit panels around ducts, pipes, and conduits. 3. Where partitions intersect open concrete coffers, concrete joists, and other

structural members projecting below underside of floor/roof slabs and decks, cut panels to fit profile formed by coffers, joists, and other structural members; allow 1/4- to 3/8-inchwide joints; seal joints with acoustical sealant.

I. STC-Rated Assemblies: Seal construction at perimeters, behind control joints, and at openings and penetrations with a continuous bead of acoustical sealant. Install acoustical sealant at both faces of partitions at perimeters and through penetrations. Comply with ASTM C 919 and with manufacturer's written recommendations for locating edge trim and closing off sound-flanking paths around or through assemblies, including sealing partitions above acoustical ceilings.

J. Fastener Spacing: Comply with ASTM C 844, manufacturer's written recommendations, and fire-resistance-rating requirements.

1. Space screws a maximum of 12 inches o.c. along framing members for ceiling

application.



3.3 INSTALLING PANELS

A. Single-Layer Application: 1. On ceilings, apply gypsum base panels before wall panels, to the greatest extent

possible and at right angles to framing, unless otherwise indicated.

B. Single-Layer Fastening Methods: Apply gypsum base panels to supports with steel drill screws.

3.4 INSTALLING TRIM ACCESSORIES

A. General: For trim with back flanges intended for fasteners, attach to framing with same fasteners used for panels. Otherwise, attach trim according to manufacturer's written instructions.

B. Control Joints: Install according to ASTM C 844 and in specific locations approved by Architect.

C. Trim: Install in the following locations:

1. Cornerbead: Use at outside corners, unless otherwise indicated 2. LC-Bead: Use at exposed panel edges 3. L-Bead: Use where indicated. 4. U-Bead: Use where indicated.

3.5 INSTALLING JOINT REINFORCEMENT

A. Gypsum Base for Veneer Plaster: Reinforce interior angles and flat joints with joint tape and embedding material to comply with ASTM C 843 and with gypsum veneer plaster manufacturer's written recommendations.

B. Cementitious Backer Units: Reinforce joints between cementitious backer units with joint tape and embedding material according to unit manufacturer's written recommendations.

3.6 GYPSUM VENEER PLASTERING

A. Gypsum Veneer Plaster Application: Comply with ASTM C 843 and with veneer

plaster manufacturer's written recommendations.

1. One-Component Gypsum Veneer Plaster: Trowel apply base coat over substrate to uniform thickness of 1/16 to 3/32 inch. Fill all voids and imperfections. [Allow plaster to set, then scratch and immediately double back with gypsum veneer plaster to uniform total thickness of 3/16 inch.]

2. Two-Component Gypsum Veneer Plaster:



a. Base Coat: Trowel apply base coat over substrate to uniform thickness of 1/16 to 3/32 inch. Fill all voids and imperfections.

b. Finish Coat: Trowel apply finish-coat plaster over base-coat plaster to uniform thickness of 1/16 to 3/32 inch.

3. Where gypsum veneer plaster abuts only metal door frames, windows, and other units, groove finish coat to eliminate spalling.

4. Do not apply veneer plaster to gypsum base if paper facing has degraded from exposure to sunlight. Before applying veneer plaster, use remedial methods to restore bonding capability to degraded paper facing according to manufacturer's written recommendations [and as approved by Architect].

B. Concealed Surfaces: Do not omit gypsum veneer plaster behind cabinets, furniture,

furnishings, and similar removable items. Omit veneer plaster in the following areas where it will be concealed from view in the completed Work unless otherwise indicated or required to maintain fire-resistance and STC ratings: 1. Above suspended ceilings. 2. Behind wood paneling.

C. Gypsum Veneer Plaster Finish: Smooth-troweled finish, matching Architect's sample

and approved mockups. 3.7 PROTECTION

A. Protect installed gypsum veneer plaster from damage from weather, condensation, construction, and other causes during remainder of the construction period.

B. Remove and replace gypsum veneer plaster and gypsum base panels that are wet, moisture damaged, or mold damaged.

1. Indications that gypsum base panels are wet or moisture damaged include, but are

not limited to, discoloration, sagging, and irregular shape.

2. Indications that gypsum base panels are mold damaged include, but are not limited to, fuzzy or splotchy surface contamination and discoloration.



TILE 09300-1

SECTION 09300 - TILE PART 1 - GENERAL 1.01 RELATED DOCUMENTS A. The drawings and general provisions of the Contract, including General and

Supplementary Conditions, Division 1 Specification Sections and relevant sections of these Specifications, apply to the work specified in this Section.

1.02 DESCRIPTION OF WORK A. The work in this Section includes but is not limited to the following:

1. Provide and install wall tile and base and wainscot at “wet wall” and floor tile at floors at toilet rooms as indicated on drawings.. Prepare all substrates, as required to properly receive materials to be furnished and installed hereunder, except as otherwise specified herein.

1.03 SUBMITTALS A. Submit the following in accordance with the provisions of Section 01300

- SUBMITTALS. 1. Samples:

a. Manufacturer's standard color samples for each specified type of tile, grout colors, and sealant colors, for initial sections by the Architect.

b. After receipt of initial color selections, submit one 12 x 12-inch panel

of each type and selected color wall tile, having grouted joints in selected colors.

2. Literature: Manufacturer's product data and specifications for each type of

tile, grout materials, sealant material; with installation recommendations, and cleaning and maintenance procedures.


TILE 09300-2

1.04 REFERENCE STANDARDS, SPECIFICATIONS AND CODES A. The following are hereby made a part of this SECTION by reference

thereto: 1. Tile Council of America, Inc. Handbook for Ceramic Tile

Installation. 2. American with Disabilities Act (ADA), Title III. PART 2 - PRODUCTS 2.01 DELIVERY AND STORAGE OF MATERIALS A. Deliver all tile to the project in manufacturer's sealed cartons, grade-sealed,

and clearly marked as to contents, color and quantity, all in accordance with TCA A137.1.

B. Store and protect containers above floor level, and keep dry until ready for

use. 2.02 TILE AND RELATED INSTALLATION MATERIALS A. Glazed ceramic tile: Standard Grade glazed ceramic tile, conforming to

ANSI A137.1, nominal 4 x 4 x 1/4-inch thick, , porcelain body, cushion-edges, in colors as selected by the Architect from standard colors. Provide all matching tile shapes and coved base units as appropriate for the specific installation in conjunction with ceramic tile. Final layout by Architect shall contain up to two colors in a patterned designed in each room.

B. Ceramic floor tile: 1 x 1 x ¼ inch thick, unglazed porcelain ceramic in

colors selected by the Architect from standard colors. Note that Architect may select a blend of up to 3 colors within each room.

B. Epoxy mortar shall comply with ANSI A118.3.

C. Epoxy grout shall comply with ANSI A118.3. D. Tile: 1, American Olean

2. Daltile 3. Marazzi


TILE 09300-3

PART 3 - EXECUTION 3.01 PRE-INSTALLATION REQUIREMENTS A. Inspect all surfaces and notify the Contractor of any conditions which may

affect this work adversely, requesting correction thereof. Do not commence installation of materials hereunder until all substrates are in acceptable condition and proper to receive the work.

B. Ensure that all anchors, plugs, electrical and mechanical work to be in or

underneath tile have been installed; and that all surfaces are dry and clean before tile is applied.

C. Do not install any tile materials until all required submittals have been

approved by the Architect, and colors selected. 3.02 INSTALLATION A. Comply with the installation procedures and requirements of the herein-

referenced ANSI and TCA standards and specifications, with the following additional requirements:

1. Install all tile with a unit-to-unit level tolerance not

exceeding 1/6-inch, and an overall plumbness not exceeding 1/8-inch in 10 feet, with uniform-width joints throughout, in strict accordance with the specified standards.

2. Where so recommended by the tile manufacturer, apply the

manufacturer's standard grout release product to prevent any contamination of grout colorant into the face of the tile. Remove all excess grout immediately after installation thereof, wash and rinse tile free from grout film, and tool grout to a uniform density throughout.

3.03 INSTALLATION OF SEALANTS A. Apply specified sealant materials, in accordance with the respective

manufacturers' recommendations, into joints specified herein. Clean off


TILE 09300-4

excess sealant immediately, and tool all sealant to a smooth and uniform surface.

3.04 CLEANING AND PROTECTION A. Clean all tile in accordance with the herein-referenced ANSI and TCA

standards and specifications. Upon completion of setting and grouting, sponge and wash tile surfaces thoroughly, using a diagonal traverse across the joints. Do not use acid or acid-containing cleaners on new tile work.

B. Clean up all rubbish and debris resulting from work of this Section 09300 on

a daily basis, and deposit same in one of the on-site dumpsters provided by the General Contractor for such purposes.



ACOUSTICAL TILE CEILINGS 09512-1

SECTION 09512 – ACOUSTICAL TILE CEILINGS PART 1 – GENERAL 1.1 SUMMARY

A. This Section includes acoustical tiles and suspension systems for ceilings. 1.2 SUBMITTALS

A. Product Data: For each product indicated. B. Samples: For each acoustical tile and for each texture required, not less than 6”

square. 12” long sample of each suspension system component.

C. Product test reports.

D. Research/evaluation reports.

E. Maintenance data. 1.3 QUALITY ASSURANCE

A. Fire-Test-Response Characteristics:

1. Fire-Resistance Ratings: Provide acoustical tile ceilings identical to those of assemblies tested for fire resistance per ASTM E 119 by UL or another testing and inspecting agency acceptable to authorities having jurisdiction. Ratings are indicated by design designations from UL's "Fire Resistance Directory" or from the listings of another testing and inspecting agency.

a. Identify materials with appropriate markings of applicable testing and

inspecting agency.

2. Surface-Burning Characteristics: Acoustical tiles complying with ASTM E 1264 for Class A materials, when tested per ASTM E 84.

a. Smoke-Developed Index: 450 or less.

B. Mockups: Build mockups to verify selections made under sample Submittals and to

demonstrate aesthetic effects and qualities of materials and execution.

1. Build mockups to show layout and pattern direction. 2. Approved mockups are to become part of the completed Work and so should

remain undisturbed at time of Substantial Completion.



1.4 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Acoustical Ceiling Units: Full-size units equal to one half (1/2) carton of quantity

installed, but not fewer than six (6) pieces PART 2 – PRODUCTS 2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply for product selection:

1. Available Products: Subject to compliance with requirements, products that may

be incorporated into the Work include, but are not limited to, the products specified.

2. Products: Subject to compliance with requirements, provide one of the products

specified. 2.2 GENERAL

A. Acoustical Tile Standard: Comply with ASTM E 1264 2.3 ACOUSTICAL TILES

A. Ceiling Tile Products: 1. Match existing historic ceiling tiles and lay-in panel to be replaced

B. Classification: Fire-resistance-rated tiles, Type III, Form 1, Pattern E mineral base with painted finish:

1. Tile: Celotex Cashmere, Armstrong Cirrus, or USG Eclipse ClimaPlus

C. Color: White.

D. Edge Detail: Beveled reveal edge

E. Thickness: ¾”



F. Size: 24” x 24” 2.4 SUSPENSION SYSTEMS

A. Components: Main runners and cross tees, base metal and end detail, fabricated from commercial quality steel complying with ASTM A 366 or A 625. Main runners and cross tees are double web steel construction with exposed flange design. Exposed surfaces chemically cleansed, protective coated, capping prefinished steel in baked-on enamel paint.

1. Structural Classification: ASTM C 635 Intermediate Duty. 2. Color: As selected.

3. Acceptable Product: 15/16” Classic Hook System as manufactured by BPB.

4. Attachment Devices: Size for five times design load indicated in ASTM C 635,

Table 1, Direct Hung unless otherwise indicated.

5. Wire for Hangers and Ties: ASTM A 641, Class 1 zinc coating, soft temper, prestretched, with a yield stress load of at least three times design load, but not less than 12 gage (2.05 mm).

6. Edge Moldings and Trim: Steel or aluminum of types and profiles indicated or, if

not indicated, manufacturer’s standard moldings for edges and penetrations, including light fixtures, that fit type of edge detail and suspension system indicated. Provide moldings with exposed flange of the same width as exposed main runner.

PART 3 – EXECUTION 3.1 INSTALLATION

A. General: Install acoustical tile ceilings to comply with manufacturer's written instructions and CISCA's "Ceiling Systems Handbook" for lay-in panels and ASTM C 636.

1. Install edge moldings and trim at perimeter of acoustical tile ceiling area and

where necessary to conceal edges of acoustical units. Screw attach moldings to substrate with concealed fasteners at intervals not more than 16 inches o.c. and not more than 3 inches from ends, leveling with ceiling suspension system to a tolerance of 1/8 inch in 12 feet Miter corners accurately and connect securely.



2. Install main runners at 48” on center, by direct suspension for existing structure, with not less than 12gauge ASTM A 641, Class I zinc coated hanger wires wrapped tightly 3 full turns, spaced 48 inches on center along component length.

3. Install cross tees perpendicular to main runners at 24 inches on center to form 24

x 24 inch modules. Install cross tees adjacent to each unsupported side of recessed fixtures.

B. Install acoustical tiles in coordination with exposed moldings and trim. Place splines

or suspension system flanges into kerfed edges so tile-to-tile joints are closed by double lap of material. Fit adjoining tile to form flush, tight joints. Scribe and cut tile for accurate fit at borders and around penetrations through tile.



WOOD FLOORING 09550-1

SECTION 09550 – WOOD FLOORING

PART 1 - GENERAL 1.1 RELATED DOCUMENTS

A. The BIDDING REQUIREMENTS, CONTRACTING REQUIREMENTS and

applicable parts of DIVISION 1 – GENERAL REQUIREMENTS, as listed in the Table of Contents, shall be included in and made a part of this Section.

1.2 WORK INCLUDED

A. Furnish and install wood flooring, as indicated on Drawings and as specified. Wood

flooring shall include:

1. New hardwood flooring at areas indicated or scheduled 2. New hardwood stair treads

1.3 RELATED WORK

A. Examine Contract Documents for requirements that affect work of this Section. Other

Specification Sections that directly relate to work of this Section include, but are not limited to:

1. Section 09555 – Refinishing of Existing Wood Flooring 2. Section 09900 – Painting

1.4 SUBMITTALS

A. Product Data: Submit manufacturer's printed product data, specifications, standard

details, installation instructions, use limitations and recommendations for each material used. Provide certifications that materials and systems comply with specified requirements.

B. Initial Selection Samples: Submit samples showing complete range of colors, textures, and finishes available for each material used.

C. Verification Samples: Submit representative samples of each material that is to be exposed in the completed work. Show full color ranges and finish variations expected. Provide samples having minimum size of 144 sq. in.


A. Installer Qualifications: Specialized wood flooring firm, with at least five years

successful experience in installation and field finishing of the types specified, and acceptable to the wood flooring manufacturer.



B. Manufacturer: Obtain flooring from a single manufacturer or source, to ensure match of quality, color, pattern, and texture.

C. Wood flooring materials shall meet or exceed the fire hazard requirements of the State

of Massachusetts fire marshal and authorities having jurisdiction, including flame spread and smoke developed requirements contained in Massachusetts State Building Code.

D. Wood flooring materials as installed shall conform to the Massachusetts Building Code and ADA.

E. Association Standards: Strictly comply with the recommendations of NOFMA: The Wood Flooring Manufacturers Association.

1.6 DELIVERY, STORAGE AND HANDLING

A. Protect wood flooring from excessive moisture during shipment, storage, and handling.

Deliver in unopened bundles and store in a dry place, with adequate air circulation. Do not deliver materials to building until "wet work" such as concrete, masonry, and plaster have been completed and cured to a condition of equilibrium.

1.7 JOB CONDITIONS

A. Do not proceed, deliver, or install wood flooring until after the spaces to receive flooring have been enclosed and are dry and maintained at approximately the same humidity and temperature conditions as planned for occupancy.

B. Condition wood flooring materials by placing in the rooms or spaces to be floored, seven days in advance of the start of installation. Open packages of wood flooring, which are sealed (if any) to permit natural adjustment of moisture content.

C. Maintain ambient temperatures in range of 65

oF. to 75

oF. prior to, during, and after the

installation of wood flooring.

1.8 EXTRA MATERIALS

A. Furnish extra materials described below, before installation begins, that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Wood Flooring: Equal to 2 percent of amount installed for each type of wood

flooring indicated.

2. Stair Treads: One tread for each stair width.

PART 2 – PRODUCTS



2.1 PRE-ENGINEERED WOOD FLOORING

A. Pre-Engineered Strip Wood Flooring: 1. Available Manufacturers: Subject to compliance with requirements, products that

may be incorporated into the Work include, but are not limited to, the following: a. Real Wood Floors b. Graf Brothers c. Kentucky Wood Floors

2. Species: White oak 3. Grade: Select & Better 4. Thickness: 5/8 inch 5. Pattern: Rift and quartered 6. Size: 3-1/4 in. wide

B. Wood Stair Treads: Provide to match wood flooring in thickness indicated on the

Drawings.

C. Wood Filler: Compatible with finish system components and recommended by filler and finish manufacturers for use indicated. If required to match approved Samples, provide pigmented filler.

2.2 ACCESSORY MATERIALS

A. Wood Flooring Adhesive: Mastic recommended by flooring and adhesive

manufacturers for application indicated.

B. Trowelable Leveling and Patching Compound: Latex-modified, hydraulic-cement-based formulation approved by wood flooring manufacturer.

C. Cork Expansion Strip: Composition cork strip.

D. Trim: In same species and grade as wood flooring, unless otherwise indicated.

1. Threshold: Tapered on each side and routed at bottom of one side to accommodate

wood flooring.

2. Reducer Strip: 2 inches wide, tapered on 1 side, and in thickness matching wood flooring.

E. Finish: Bonatech Traffic, matte finish manufactured by Bona Kemi USA.




A. Examine substrates, areas and conditions, with Installer present, for compliance with requirements for maximum moisture content, installation tolerances, and other conditions affecting performance of wood flooring. 1. Verify that substrates comply with tolerances and other requirements specified in

other Sections.

2. For adhesively applied wood flooring, verify that substrates are free of cracks, ridges, depressions, scale, and foreign deposits that might interfere with adhesion of resilient products.

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

B. Substrate Moisture Testing, General: Perform tests recommended by manufacturer or,

if none, comply with applicable recommendations in NWFA's "Installation Guidelines: Wood Flooring." 1. Proceed with installation only after substrates pass testing.

C. Concrete Moisture Testing: Perform anhydrous calcium chloride test per ASTM F

1869, as follows: 1. Perform tests so that each test area does not exceed 200 sq. ft. and perform not less

than 2 tests in each installation area with test areas evenly spaced in installation area.

2. Proceed with installation only after substrates have maximum moisture-vapor-emission rate of 3 lb. of water/1000 sq. ft. in 24 hours.

3. Perform alkalinity and adhesion tests recommended in writing by manufacturer or,

if none, according to NWFA's "Installation Guidelines: Wood Flooring.” Proceed with installation only after substrates pass testing.

3.2 PREPARATION

A. Grind high spots and fill low spots on concrete substrates to produce a maximum 1/8-

inch deviation in any direction when checked with a 10-foot straight edge. 1. Use trowelable leveling and patching compounds, according to manufacturer's

written instructions, to fill cracks, holes, and depressions in substrates.

B. Remove coatings, including curing compounds, and other substances on substrates that are incompatible with installation adhesives and that contain soap, wax, oil, or silicone, using mechanical methods recommended by manufacturer. Do not use solvents.

C. Broom or vacuum clean substrates to be covered immediately before product installation. After cleaning, examine substrates for moisture, alkaline salts, carbonation, or dust. Proceed with installation only after unsatisfactory conditions have



been corrected.

3.3 INSTALLATION

A. Comply with flooring manufacturer's written installation instructions, but not less than applicable recommendations in NWFA's "Installation Guidelines: Wood Flooring.

B. Provide expansion space at walls and other obstructions and terminations of flooring of

not less than 3/4 inch.

C. Vapor Retarder:

1. Wood Flooring Nailed to Sleepers over Concrete: Install flooring over a layer of polyethylene sheet with edges overlapped over sleepers and turned up behind baseboards.

D. Pre-Engineered Wood Flooring: Set in adhesive.

3.4 SANDING AND REFINISHING

A. Provide any and all patching and/or replacement of damaged wood flooring prior to sanding and refinishing.

B. Materials and installation for repair or patch of existing flooring shall match existing.

C. Countersink all nails prior to refinishing. Fill nail holes remaining from removal of layers of plywood.

D. Sand and finish existing oak flooring as recommended by finish system manufacturer

and in conformance with NOFMA recommendations.

E. Machine sand existing wood flooring to remove existing floor finish, offsets and non-level conditions, ridges, cups, and sanding machine marks, and all other conditions which would be visually noticeable after refinishing. Use a minimum of three grades of sandpaper, ending with 00 grade. Vacuum clean and immediately apply finish. Do not permit traffic on floor after sanding and until finish is completed. Cover sanded floor with kraft paper to provide access for application of first finish coats.

F. Where required, bleach existing floor areas that have been damaged or darkened by

water stains or moisture. Treat areas until Design Professional's approval is received.

G. Apply wood fillers, stains, and sealers as necessary to ensure uniform appearance of new and refinished flooring. Apply stain with soft, lint-free cloth, in direction of grain, immediately upon finishing sanding operations.

H. Provide a minimum of three urethane coats in accordance with sealer manufacturer's

recommendations for application, curing, and sanding between coats.



3.5 PROTECTION

A. Protect installed wood flooring during remainder of construction period with covering of heavy kraft paper or other suitable material. Do not use plastic sheet or film that might cause condensation. 1. Do not move heavy and sharp objects directly over kraft-paper-covered wood

flooring. Protect flooring with plywood or hardboard panels to prevent damage from storing or moving objects over flooring.



SECTION 09555 - REFINISHING OF EXISTING WOOD FLOORING

PART 1 - GENERAL

1.00 RELATED DOCUMENTS A. The drawings and general provisions of the Contract, including General and

Supplementary Conditions, Division 1 Specification Sections and relevant sections of these Specifications, apply to the work specified in this Section.

1.01 WORK INCLUDED

A. Refinish existing wood flooring as indicated on the Drawings and as specified herein.

1.02 RELATED WORK

A. Examine Contract Documents for requirements that affect work of this Section. Other Specification Sections that directly relate to work of this Section include, but are not limited to:

1. Section 06100, ROUGH CARPENTRY; Rough carpentry and wood subflooring. 2. Section 06200, FINISH CARPENTRY; Wood base. 3. Section 09550, WOOD FLOORING; New wood flooring. 4. Section 09900, PAINTING.

1.03 SUBMITTALS

A. Product Data: Submit manufacturer's printed product data, specifications, standard details, installation instructions, use limitations and recommendations for each material used. Provide certifications that materials and systems comply with specified requirements.

B. Initial Selection Samples: Submit samples showing complete range of colors, textures, and finishes available for each material used.


A. Floor Refinisher Qualifications: Specialized refinisher of wood flooring, with at least five years successful experience in refinishing of wood flooring.

B. Refinishing materials shall meet or exceed the fire hazard requirements of the fire marshal and authorities having jurisdiction, including flame spread and smoke developed requirements contained in Massachusetts State Building Code.

C. Association Standards: Strictly comply with the recommendations of NOFMA: The Wood Flooring Manufacturers Association for refinishing of wood floors.

REFINISHING OF EXISTING WOOD FLOORING 09555 - 1


1.05 JOB CONDITIONS A. Maintain ambient temperatures in range of 65

oF. to 75

oF. prior to, during, and after refinishing

of wood flooring. Maintain a relative humidity level within the range of 40% to 50%.

PART 2 - PRODUCTS

2.01 WOOD FLOORING REFINISHING – EQUIPMENT AND MATERIALS

A. Provide commercial sanding equipment as required to refinishing existing wood flooring as scheduled. Include all edging equipment, sandpaper grades, sealers and finishes as required for refinishing of wood floors.

B. Stain: Penetrating type non-fading wood stain of color required to match Architect's sample. Stain shall be first quality products equal to Bona Woodline DS-Stains, manufactured by BonaKemi USA, or approved equal.

C. Urethane Finish System:

1 Type: Water based (waterborne) polyurethane coating system, specially formulated for heavy traffic commercial and residential hardwood floor. 2 Floor Sealer: Pliable, penetrating type equal to BonaTech Bonaseal (for unstained natural floor), manufactured by BonaKemi USA. 3 Finish Coats: Formulated for multi-coat application on wood flooring equal to BonaTech Traffic, manufactured by BonaKemi USA.

PART 3 - EXECUTION

3.01 INSPECTION

A. Examine existing wood flooring will be refinished and conditions under which work will be performed. Do not proceed with refinishing work until unsatisfactory conditions have been corrected in manner acceptable.

3.02 REFINISHING OF EXISTING WOOD FLOORS

A. Where existing wood flooring requires patching, repair, or replacement comply with requirements of NOFMA and Section 09550, WOOD FLOORING. Patch all pipe penetration holes from radiator removals. B. Sand and finish existing flooring as recommended by finish system manufacturer and in conformance with NOFMA recommendations for refinishing

1 Machine sand installed existing flooring to remove all existing finishes and coatings and to provide an acceptable surface for refinishing. Remove all offsets and non-level conditions, ridges, cups, and sanding machine marks which would be visually noticeable after refinishing. Use three grades of sandpaper, ending with 00 grade. 2 Vacuum clean and immediately apply finishing materials as specified below. 3 Do not permit traffic on floor after sanding and until finish is completed. 4 Cover sanded floor with kraft paper to provide access for application of first finish coat.



C. Apply wood fillers, stains, and sealers as necessary to ensure uniform appearance of refinished flooring. Apply stain with soft, lint-free cloth, in direction of grain, immediately following sanding operations prior to refinishing.

D. Machine sand flooring between each coat and vacuum clean between each coat.

E. Sealer and Finish Coat Requirements:

1 Natural Unstained Hardwood Floors: Minimum three (3) coats polyurethane finish (BonaTech Traffic). 2 Stained Hardwood Floors: One coat of Stain (Bona Woodline DS-Stains) followed by minimum of three (3) coats polyurethane finish (BonaTech Traffic).

F. Protection: Refinisher shall advise the Contractor of procedures required for protection of refinished wood flooring during remainder of construction period, so that refinished floors will be without damage or deterioration at time of acceptance.

END OF SECTION



RESILIENT FLOORING 09650-1

SECTION 09650 – RESILIENT FLOORING PART 1 – GENERAL 1.01 RELATED DOCUMENTS

A. The BIDDING REQUIREMENTS, CONTRACTING REQUIREMENTS, and applicable parts of DIVISION 1 - GENERAL REQUIREMENTS, as listed in the Table of Contents, shall be included in and made a part of this Section.

1.02 WORK INCLUDED

A. Provide resilient flooring and related items, as indicated on the Drawings and as specified herein. Work of this Section includes, but is not limited to:

1. Mastics and leveling compounds. 2. Vinyl composition tile. 3. Rubber cove base. 4. Aluminum stair tread nosings to be installed on all wood stair treads.

1.03 RELATED WORK

A. Examine Contract Documents for requirements that affect Work of this Section. Other Specification Sections that relate directly to Work of this Section include, but are not limited to: 1. Section 06100, ROUGH CARPENTRY; Wood framing and underlayment. 2. Section 06200, FINISH CARPENTRY; Wood base. 3. Section 09680, CARPET; Carpeting.

1.04 SUBMITTALS

A. Product Data: Submit manufacturer's printed product data, specifications, standard details, installation instructions, use limitations and recommendations for each material used. Provide certifications that materials and systems comply with specified requirements.

1. Certification by manufacturer that products supplied for installation

comply with local regulations controlling use of volatile organic compounds (VOC's).

B. Initial Selection Samples: Submit samples showing complete range of colors,

textures, and finishes available for each material used.

C. Verification Samples: Submit representative samples of each material that is to be exposed in the completed work. Show full color ranges and finish variations expected. Provide samples having minimum size of 144 sq. in.



D. Product certificates, in lieu of laboratory test reports when permitted by

Architect, signed by manufacturer certifying that each product complies with requirements.

E. Maintenance data for resilient flooring and base, to include in Operating and

Maintenance Manual specified in Section 01700, CONTRACT CLOSEOUT. 1.05 QUALITY ASSURANCE

A. Single-Source Responsibility for Resilient Flooring: Obtain each type, color, and pattern of sheet vinyl from a single source with resources to provide products of consistent quality in appearance and physical properties without delaying progress of the Work.

B. Fire Performance Characteristics: Provide resilient flooring with the following

fire performance characteristics as determined by testing products per ASTM test method indicated below by UL or another testing and inspecting agency acceptable to authorities having jurisdiction.

1. Critical Radiant Flux: 0.45 watts per sq. cm or more per ASTM E 648. 2. Smoke Density: Less than 450 per ASTM E 662.

1.06 DELIVERY, STORAGE, AND HANDLING

A. Deliver resilient flooring, and installation accessories to Project site in original manufacturer's unopened cartons and containers each bearing names of product and manufacturer, Project identification, and shipping and handling instructions.

B. Store flooring materials in dry spaces protected from the weather with ambient

temperatures maintained between 50 deg F (10 deg C) and 90 deg F (32 deg C).

C. Store resilient flooring on flat surfaces. Move floor materials and installation

accessories into spaces where they will be installed at least 48 hours in advance of installation.

D. Move resilient floor coverings and related products into spaces where they will

be installed at least 72 hours in advance of installation. 1.07 PROJECT CONDITIONS

A. Maintain a minimum temperature of 70 deg F (21 deg C) in spaces to receive tiles for at least 48 hours prior to installation, during installation, and for not less than 48 hours after installation. After this period, maintain a temperature



of not less than 55 deg F (13 deg C).

B. Do not install resilient flooring materials until they are at the same temperature as the space where they are to be installed.

C. Maintain relative humidity in spaces to receive resilient flooring before,

during, and after installation within the range recommended by manufacturer.

D. Close spaces to traffic during resilient flooring installation. 1.08 COORDINATION, SEQUENCING, AND SCHEDULING

A. Coordinate work of this Section with work of other Sections affecting, or affected by, this work, as necessary to ensure completion of work of the Contract on schedule.

B. Install resilient flooring and accessories after other finishing operations,

including painting, have been completed.

C. Do not install flooring over concrete slabs until the slabs have cured and are sufficiently dry to bond with adhesive as determined by tile manufacturer's recommended bond and moisture test.

1.09 EXTRA MATERIALS

A. Deliver extra materials to Owner. Furnish extra materials matching products installed as described below, packaged with protective covering for storage and identified with labels clearly describing contents.

1. Furnish not less than 5 square yards of linoleum. 2. Furnish not less than one box for each 50 boxes or fraction thereof, of each

class, wearing surface, color, pattern and size of resilient floor tile products installed.

1.10 WARRANTY

A. Provide manufacturer's warranty against excessive wear in accordance with the following:

1. Vinyl Composition Tile Flooring: Five year limited warranty. 2. Rubber Wall Base: Two year limited warranty. 3. Rubber tile flooring: Five year limited warranty.



PART 2 – PRODUCTS 2.01 GENERAL MATERIAL REQUIREMENTS

A. Resilient materials shall be uniform in thickness and size.

B. Resilient material shall be cut accurately with square, true edges.

C. Plain colors shall be uniform throughout.

D. Variegated colors and patterns shall be reasonably uniform so as not to mar appearance of floor.

E. Except as otherwise indicated or specified, all colors shall be as selected by the

Architect from the full range of manufacturer's standard colors.

F. Resilient materials shall be free of objectionable odors, blisters, cracks, objectionable foreign material, or other physical defects affecting appearance or serviceability.

2.02 COVE BASE

A. Products: Subject to compliance with requirements, provide on of the following:

1. Roppe Corporation; Type TS thermoset vulcanized rubber base 2. Johnsonite Rubber Wall Base 3. Marley Flexco Wallflowers Molded Rubber Base

B. Wall Base: Rubber, FS SS-W-40, Type I

1. Color and Pattern: As selected from manufacturer's full range 2. Style: Cove with top-set toe 3. Minimum Thickness: 1/8 inch 4. Height: 4 inches 5. Lengths: Cut lengths 48 inches long or coils in lengths standard with

manufacturer, but not less than 96 feet 6. Inside and Outside Corners: Premolded 7. Surface: Smooth

2.03 VINYL COMPOSITION TILE (VCT) FLOORING

A. Acceptable Manufacturers: Provide products of the following manufacturer that meet or exceed specified requirements, ASTM F 1066, Class II, Type A:



1. Toli International Inc. 2. Amitco International Inc. 3. Metroflor

B. Basis-of-Design: Fasol Plus C. Size: 17.7 by 17.7 inches. D. Thickness: 0.120 inches E. Pattern and Color: As selected by Architect and Owner. A maximum of three

colors and patterns will be used in any one room or space; one tile as field tile and a maximum of two color and patterns as accent or feature strips.

F. Transition Strips and Edging: Provide edge and transition strips for open

edges of resilient flooring and transition from vinyl composition tile to all other floor finishes indicated. Provide tapered, maximum thickness same as flooring, solid vinyl, as selected from manufacturer's standard plain colors, as produced by manufacturer of floor tile used, or other manufacturer whose products meet all the Architect's requirements and are approved by Architect for use on the Project.

2.04 RESILIENT (RUBBER) WALL BASE

A. Acceptable Manufacturers: Provide products of one of the following manufacturers that meet or exceed specified requirements:

1. Armstrong World Industries, Inc. (Armstrong). 2. Johnsonite. 3. Burke Mercer. 4. Roppe.

B. Rubber Wall Base: Provide resilient (rubber) wall base conforming to ASTM

F 1861, Type TP Rubber, Thermoplastic, Group 2 Layered (Rubber), with matching end stops, and premolded corner units, and as follows:

1. Height: 4 in. 2. Style: Top-set cove at resilient flooring, straight at carpet. 3. Finish: Matte. 4. Gauge: 1/8 inch. 5. Length: Continuous.

C. Rubber Wall Base Types and Colors:

1. Rubber Wall Base Type 1 (RB-1): As selected by Architect and Owner.



2.05 ADHESIVES, MASTIC UNDERLAYMENTS, CRACK FILLERS, & PRIMERS

A. Adhesives shall be water resistant type and brand recommended by manufacturer for each of the various conditions and flooring materials. Where manufacturer lists more than one recommended adhesive, manufacturer's "preferred choice" shall be used.

1. Rubber tile at stairs shall be installed using epoxy type adhesive.

B. Mastic underlayments for use at floors shall be as recommended by flooring

manufacturer.

1. Mastic underlayment for flooring shall be a latex-modified Portland-cement based formulation equal to Allied "Lev-L-Astic Underlayment and Patching Compound", manufactured by Minwax Construction Products Division; Armstrong "S-180 Latex Underlayment"; Selby, Battersby & Co. "Levelite-Latex"; or approved equal as approved by the Architect.

C. Crack filler shall be as recommended by flooring manufacturer, and equal to

Armstrong "S-190", or Amtico "Crack Filler", as approved by the Architect. D. Primers for use for all the various conditions and materials shall be non-

staining type as recommended by manufacturer of each specific material for each specific application.

2.06 CLEANER

A. Cleaners and Polish: Floor cleaner shall be a commercial floor cleaner, equal to Armstrong "C-410", Hillyard "Super Shine-All", or Huntington Laboratories "Contract Floor Polish", as approved by the Architect.


A. General: Examine areas where installation of resilient flooring will occur, with Installer present, to verify that substrates and conditions are satisfactory for resilient flooring installation and comply with flooring manufacturer's requirements and those specified in this Section.

B. Inspect subfloor surfaces to receive resilient flooring to determine if they are

free from cracks, holes, ridges, coatings preventing adhesive bond, and other defects impairing performance or appearance.

C. Wood Subfloors to Receive Resilient Flooring: Prepare substrate to meet



flooring manufacturer’s recommendations.

D. Do not proceed with installation until unsatisfactory conditions have been corrected.

3.02 PREPARATION OF SURFACES

A. Initial Preparation Under Other Sections:

1. Surfaces to receive resilient materials shall be level, plumb, true and clean, free of projections, ridges, and waves, and free of loose dirt and dust, grease, oil, and other deleterious materials such as resin type curing compounds, paint, glue, and similar materials, ready to receive work of this Section. Filling of cracks with crack filler, as required, however, will be included as part of work of this Section.

2. Surfaces of concrete floor slabs to which resilient flooring is to be applied

shall be finished to tolerance recommended by resilient flooring manufacturer.

3. When variation in finished surface exceeds allowable amount specified

therein, it shall be brought within the allowable tolerance with latex type underlayment applied in strict accordance with manufacturer's instructions.

B. Inspection of Surfaces and Final Preparation Under this Section:

1. Thoroughly examine all surfaces to receive work of this Section, and notify

the Architect in writing of all conditions that would adversely affect this work. Do not commence work in any area where such notice of adverse conditions has been sent until corrective work has been completed or waived. Start of work in any area without issuances of such notice shall constitute acceptance of conditions in the area as suitable to properly receive the work of this Section.

2. Fill all cracks, control joints, etc., in sub-surfaces, using approved Crack

Filler in accordance with manufacturer's published instructions. Do final cleaning of surfaces just prior to installation, removing all dust, dirt, and other loose particles that may have accumulated since initial cleaning.

3. Allow concrete slabs to dry adequately before commencing application of

flooring materials, checking the moisture content, if necessary, by means of primer tests, relative humidity tests, or mat moisture and bonding tests, all such tests being at the option of the Contractor, although the Architect may require any such tests to be done by the Contractor at the Contractor's expense, if he wishes to verify or record the moisture conditions.



C. General: Comply with manufacturer's installation specifications to prepare substrates indicated to receive resilient flooring.

D. Use trowelable leveling and patching compounds per tile manufacturer's

directions to fill cracks, holes, and depressions in substrates.

E. Remove coatings, including curing compounds, and other substances that are incompatible with flooring adhesives and that contain soap, wax, oil, or silicone, by using a terrazzo or concrete grinder, a drum sander, or a polishing machine equipped with a heavy-duty wire brush.

F. Broom or vacuum clean substrates to be covered by resilient flooring

immediately before floor installation. Following cleaning, examine substrates for moisture, alkaline salts, carbonation, or dust.


A. Do not begin installation until work of other sections including painting, is substantially complete. Use only experienced workmen. Strictly adhere to printed instructions of manufacturer's of various materials; if found to be in conflict refer to Architect for decision.

B. Maintain room temperatures in installation areas at not less than 65oF. for a

period of at least 48 hours prior to commencement of tile work, and to at least 48 hours after completion, and not less than 60°F. from that time on.

C. Lay resilient materials in manner to insure good, uniform contact with

subsurface materials, and to produce finished surfaces that are smooth, even, and in true planes, free of buckles, waves, and other imperfections. Store and use adhesive in accordance with manufacturer's published instructions.

D. Where different colors of resilient tile flooring occur in adjoining rooms or

areas, and no threshold is called for, install feature strip under door or across center of doorless opening, of color selected by the Architect.

E. Fit flooring neatly into breaks and recesses, against bases and thresholds, and

around pipes, columns, and other projections. Cut, fit, and scribe borders after application of field tile.

F. Install edge strips where resilient flooring materials terminate at points higher

than contiguous finished flooring.

G. Clean off surplus adhesive from resilient materials and adjacent surfaces. 3.04 VINYL COMPOSITION TILE INSTALLATION



A. Install materials in strict accordance with manufacturer's printed instructions,

using recommended adhesive.

B. Lay tile square with room axis, with joints aligned in one direction, and staggered in the other, and with borders not less than 1/2 the width of the field tile, as directed or approved by the Architect. Direction of tile grain, when laid, shall lie in single direction. Use only full tile in the field.

C. Adjust tiles that have not been seated level with surrounding tiles in manner

recommended by manufacturer.

D. Replace tile showing broken corners or fracture lines by warming tile, carefully removing, and replacing with new tile of same type, color, pattern, and thickness.

3.05 RUBBER TILE AND TREAD/NOSING, AND RISER

A. Install rubber tile, tread/nosing, and riser in strict accordance with manufacturer's printed instructions, using recommended epoxy or other adhesive recommended by manufacturer.

3.06 RESILIENT BASE AND ACCESSORIES – INSTALLATION

A. Install resilient base and accessories in strict accordance with manufacturer's printed instructions, using recommended cement or other adhesive recommended by manufacturer.

1. Install base in manner to ensure uniform positive contact with sub-surface,

and to produce finished surfaces which are smooth, even, and in true planes, free of buckles, waves, and other imperfections.

2. Store and use adhesive in accordance with manufacturer's printed

instructions. 3.06 CLEANING, POLISHING & PROTECTING OF VINYL COMPOSITION TILE

A. Allow flooring to set for at least five days without traffic.

B. At end of setting period, wash with diluted commercial floor cleaner product recommended by manufacturer, rinse thoroughly, and apply one coat of commercial floor polish, all in strict accordance with manufacturer's printed instructions.

C. After application of floor polish, cover flooring with Kraft paper or rosin paper

or prohibit traffic completely.



D. Immediately prior to inspection for Substantial Completion, but not less than

48 hours after the first application of polish, dry or damp mop floors. Buff polished floors to high luster with mechanical buffer. In areas where the original coat of polish has become worn or damaged, thoroughly clean and, if necessary, strip original polish and apply new coat of same type and brand of polish. Buff new applications of polish as specified.

3.09 MAINTENANCE STOCK MATERIALS

A. 12 feet – vinyl cove base. B. 12 VCT tiles of each color used in the project.



CARPET 09680-1

SECTION 09680 – CARPET PART 1 – GENERAL 1.01 RELATED DOCUMENTS

A. The BIDDING REQUIREMENTS, CONTRACTING REQUIREMENTS, and applicable parts of DIVISION 1 - GENERAL REQUIREMENTS, as listed in the Table of Contents, shall be included in and made a part of this Section.


A. Work Included: Provide all labor, materials, and equipment necessary to complete the work of this Section. The work of this Section includes, but is not limited to the following:

1. Preparation of wood and concrete subflooring to receive carpet .

2. Furnishing and installation of carpeting at floors, where scheduled.

3. Resilient accessories engaging carpet.

4. Provide and install walk off mats.

1.03 RELATED WORK

A. Examine Contract Documents for requirements that affect Work of this Section. Other Specification Sections that relate directly to Work of this Section include, but are not limited to:

1. Section 03300 – CAST-IN-PLACE CONCRETE 2. Section 06100 – ROUGH CARPENTRY; Wood subfloor construction and

wood underlayment. 3. Section 09650 –RESILIENT FLOORING; Resilient flooring including

rubber cove base. 1.04 SUBMITTALS

A. Shop Drawings: Submit complete shop drawings of work of this Section to Architect for approval, consisting of plans showing carpet layout, seam locations, and direction of all carpet pile (uniform throughout) at all rooms and areas; showing large scale details of edge conditions at all adjoining and abutting materials; and showing recommended percentage of stretching for optimum installation. Shop Drawings showing columns, doorways, enclosing walls or partitions, built-in cabinets, and locations where cutouts are required


CARPET 09680-2

in carpet. Indicate the following:

1. Carpet type, color, and dye lot. 2. Locations where dye lot changes occur. 3. Seam locations, types, and methods. 4. Type of subfloor. 5. Type of installation. 6. Pattern type, repeat size, location, direction, and starting point. 7. Pile direction. 8. Type, color, and location of edge, transition, and other accessory

strips. 9. Transition details to other flooring materials.

B. Samples: Submit carpet samples of all requested colors and carpet types, to

Architect for approval. Samples shall be 12 in. by 12 in. minimum size. Also submit samples of accessories and installation materials in form requested by Architect.

1. Samples shall be submitted within two weeks after Architect's written

request for same.

2. Additional samples may be requested, until the Architect is satisfied with the color and general appearance of the carpet.

C. Product Data: Submit complete product data to Architect for approval,

consisting of manufacturer's complete product description and specifications; complete laboratory test reports certifying compliance with Contract requirements, including complete description and specifications of accessories and installation materials; complete preparation and installation instructions; safety precautions; maintenance instructions, and other pertinent technical data required for complete product and product use information.

D. Maintenance Data: Maintenance data for carpet to include in the operation and

maintenance manual specified in Section 01700, CONTRACT CLOSEOUT. Include the following:

1. Methods for maintaining carpet, including manufacturer's recommended

frequency for maintaining carpet.

2. Precautions for cleaning materials and methods that could be detrimental to finishes and performance. Include cleaning and stain-removal products and procedures.

E. Do not order materials or begin installation until Architect's approval of

submittals has been obtained.


CARPET 09680-3

1.05 QUALITY ASSURANCE A. Installer Qualifications: Engage an experienced Installer who is certified by the

Floor Covering Installation Board (FCIB) or who can demonstrate compliance with FCIB certification program requirements.

B. Manufacturer Qualifications: Engage a firm whose carpet materials comply with

the U.S. Department of Housing and Urban Development's (HUD) "Use of Materials Bulletin UM-44D" and are currently listed on HUD's "Certified Products Directory" and so identified by imprint on back of carpet.

C. Single-Source Responsibility: Obtain each type of carpet from one source and

by a single manufacturer.

D. Carpet Performance Requirements: Provide carpet materials with the following performance characteristics:

1. Denier Per Filament: Not less than 17 DPF.

2. Physical Construction: Include use of regular tenacity nylon, with either

trilobal, pentagonal, or square fiber profiles.

3. Solution Dye: For solution dyed filament carpets, provide a premium branded solution dye, equal to one of the following; Dupont DSDN will not be accepted:

a. BASF Zeftron. b. Dupont Lumena. c. Premium solution dyed product by Monsanto. d. Premium solution dyed product by Allied.

4. Replacement Guarantee for Color Fastness: Carpet manufacturer shall provide a written fifteen (15) year replacement guaranty for carpet's color fastness providing for replacement of carpet materials, including costs for removing carpet and for installing replacement carpet.

5. Static Control: Provide carpet materials with static control.

6. Density: Provide a minimum of 3600 pile density, unless otherwise

indicated.

7. Soil Release Treatment: Provide carpet with a soil release treatment built into carpet fiber. Soil release treatment may include a finishing spray treatment built into the manufacturing process, putting a plastic shell on the carpet fiber, providing a soil release action.


CARPET 09680-4

8. Maintenance Program: Provide to the Owner, a recommended maintenance program, as designated by the carpet manufacturer's technical department, including any written provisions of the soil guarantee depending on the maintenance program.

9. Loop Pile Carpet: For loop pile carpet, provide a minimum of 15 lb. tuft

binding along seam edges.

10. Indoor Air Quality Carpet Testing Program: Carpet manufacturer shall provide a Carpet and Rug Institute (CRI) Indoor Air Quality Carpet Testing Program Label.

E. Mockups: Prior to installing carpet, construct mockups for each type of carpet and installation method required to verify selections made under Sample submittals and to demonstrate aesthetic effects as well as qualities of materials and execution. Build mockups to comply with the following requirements, using materials indicated for final unit of Work.

1. Locate mockups on-site in the location and of the size indicated or, if not

indicated, as directed by Architect.

2. Notify Architect one week in advance of the dates and times when mockups will be constructed.

3. Demonstrate the proposed range of aesthetic effects and workmanship.

4. Obtain Architect's approval of mockups before start of final unit of Work.

5. Retain and maintain mockups during construction in an undisturbed

condition as a standard for judging the completed Work.

a. When directed, demolish and remove mockups from Project site.

b. Approved mockups in an undisturbed condition at the time of Substantial Completion may become part of the completed Work.

1.06 STANDARDS AND CERTIFICATION

A. Notwithstanding anything else in this Specification to the contrary, the entire carpeting installation, including all materials used therein, shall conform to (1) requirements of the governing laws and building code regarding fire hazard classification ratings (flame spread, fuel contributed, and smoke developed), and (2) FHA "Use of Materials Bulletin No. UM-44b" for maximum wear (heavy traffic) areas (although FHA standards are not otherwise applicable to this Contract).


CARPET 09680-5

B. Carpet manufacturer shall provide a Carpet and Rug Institute (CRI) Indoor Air Quality Carpet Testing Program Label.

C. Carpet and carpeting materials shall meet or exceed the fire hazard

requirements of the Sandwich Fire Marshal and authorities having jurisdiction.

D. Carpet and carpeting materials as installed shall conform to Massachusetts

Building Code and ADA.

E. Provide manufacturer's written certifications of compliance with these requirements.

F. Provide certification from carpet manufacturer that carpet products specified

herein will be available for purchase for a minimum of five years from the date of Substantial Completion.

1.07 PRODUCT DELIVERY, STORAGE, AND HANDLING

A. Deliver, store, protect, and handle products in accordance with Section 01600, MATERIAL AND EQUIPMENT.

B. General: Comply with the Carpet and Rug Institute's CRI 104, Section 5:

"Storage and Handling." C. Deliver materials to Project site in original factory wrappings and containers,

labeled with identification of manufacturer, brand name, and lot number. D. Store materials on-site in original undamaged packages, inside well-ventilated

area protected from weather, moisture, soilage, extreme temperatures, and humidity. Lay flat, with continuous blocking off ground.


A. General: Comply with CRI 104, Section 6: "Site Conditions." B. Space Enclosure and Environmental Limitations: Do not install carpet until

space is enclosed and weatherproof, wet-work in space is completed and nominally dry, work above ceilings is complete, and ambient temperature and humidity conditions are and will be continuously maintained at values near those indicated for final occupancy.

C. Subfloor Moisture Conditions: Moisture emission rate of not more than 3


CARPET 09680-6

lb./1000 sq. ft./24 hours (14.6 kg/1000 sq. m/24 hours) when tested by calcium chloride moisture test in compliance with CRI 104, 6.2.1, with subfloor temperatures not less than 55 deg F (12.7 deg C).

D. Subfloor Alkalinity Conditions: A pH range of 5 to 9 when subfloor is wetted

with potable water and pHydrion paper is applied. E. Floor Preparation: Thoroughly vacuum floor to receive carpeting prior to

carpet installation. F. Ventilation Requirements for Carpet Installation: Provide adequate

ventilation, with continuous circulation of outside air, during installation of carpet. Maintain ventilation of space for at least 48 to 72 hours after completion of installation.

1.09 WARRANTY

A. Installer's Warranty: Carpet Contractor shall warrant his work for a period of two (2) years from date of Substantial Completion. Installer shall make necessary replacements and or repairs due to defective materials and/or unsatisfactory workmanship that becomes apparent within specified warrantee period.

B. Manufacturer's Warranty: Provide manufacturer's standard warrantee,

providing 15 year texture retention warrantee, lifetime wear, and static protection; edge ravel resistance and run resistance strength shall be warranted for the life of the carpet.

1.10 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed, are packaged with protective covering for storage, and are identified with labels clearly describing contents.

1. Carpet: Before installation begins, furnish quantity of full-width units

equal to 5 percent of amount installed. PART 2 – PRODUCTS 2.01 MANUFACTURERS / CARPET TYPES; CARPET PERFORMANCE

A. Acceptable Manufacturers: Carpet shall be a commercial type broadloom carpet suitable for direct glue application, manufactured by one of the following manufacturers, or Architect approved equal:


CARPET 09680-7

1. Patcraft Commercial Carpet 2. J & J Commercial Carpet 3. Shaw Contract.

B. Broadloom Carpet Types:

1. Carpet Type

a. Manufacturer: Patcraft Commercial, or approved equal. b. Style: Patcraft ‘Just Beautiful’; I0091. c. Color: TBD. d. Width: 12 ft. e. Weight: 28 oz. f. Construction: Microweave Patterned Loop g. Yarn Type: 100% Eco Solution Q Premium Branded SD Nylon with

Lifetime Stain Warranty. h. Dye Method: Solution Dyed. i. Ply: 2 and 3. j. Gauge: 1/16 inch. k. Stitches per Inch: 9.0. l. Tufted Pile Height: 6/32 inch (0.187 in.). m. Finished Pile Thickness: 0.129 inch. n. Density: 7814. o. Weight Density: 281.791. p. Soil Protection Treatment: SSP Shaw Soil Protection. q. Prmiary Backing: Woven Polypropylene. r. Secondary Backing: Everbond EX. s. Flammability [Methenamine Pill Test (DOC FF-1-70)]: Passes. t. Flooring Radiant Panel (ASTM E 648): Class I. u. Smoke Density (ASTM E 662): Less than 450. v. Wearability: Lifetime Commercial Wear Warranty. w. Colorfastness Warranties: Lifetime Colorfastness to Light; Lifetime

Colorfastness to Atmospheric Contaminants. x. Stain Removal Warranty: Lifetime Stain Removal Limited

Guarantee. y. Edge Raveling, Xippering, and Delamination Warranty: Lifetime

Warranties. z. Traffic Classification: Heavy Traffic Class. aa. CRI Green Label Number: GLP2271. bb. Installation Method: Direct Glue Application, or as otherwise

directed. cc. Location: As scheduled.

C. Colors: Colors shall be as selected by the Architect.

1. Each color shall be from same dye lot throughout.


CARPET 09680-8

D. ADA Conformance: Shall conform to the ADA requirements for the minimum static coefficient of friction of 0.60 recommended for accessible routes.

2.02 MANUFACTURERS / Dirt Control (Walk off) Mat

A. Acceptable Manufacturers: Mat shall be “Super NOP 52” solution dyed UV stabilized polypropylene fibers with 20% post-consumer recycled content, with composite rubber back by Mats Inc. of Stoughton, Ma or Architect approved equal.

B. Colors: Colors shall be as selected by the Architect.

1. Each color shall be from same dye lot throughout.

C. ADA Conformance: Shall conform to the ADA requirements for the

minimum static coefficient of friction of 0.60 recommended for accessible routes.

2.03 INSTALLATION MATERIALS

A. Installation materials shall conform with the quality, function and substance of the products listed below, subject to Architect's approval.

B. Concrete-Slab Primer: Non-staining type as recommended by the carpet

manufacturer. C. Trowelable Underlayments and Patching Compounds: As recommended by

the carpet manufacturer. D. Adhesives: Water-resistant, mildew-resistant, nonstaining, low-VOC type to

suit products and subfloor conditions indicated and to comply with flammability requirements for installed carpet as recommended by the carpet manufacturer.

E. Seaming Cement: Cold weld chemically fused adhesive to form secure seams

and to prevent pile loss at seams carpet as recommended by the carpet manufacturer.

F. Edge Molding: Proprietary vinyl safety strips, equal in quality to "Custom

Edge Carpet Bar 45" for carpet to concrete, "Snap-down Custom-edge 'T' Molding" for carpet to applied flooring, as manufactured by Burke Mercer Plastics Co. Inc., equivalent by Roberts Consolidated Industries or Johnson Rubber Co., or equal approved by Architect, all as required by project conditions and approved by Architect upon submission of samples. Edge


CARPET 09680-9

moldings shall conform to the applicable Handicapped Code. G. Tape: Contract type, heat-bond tape, carpet as recommended by the carpet

manufacturer. H. Miscellaneous: Provide other materials required for complete carpet and

accessory installation. PART 3 – EXECUTION 3.01 EXAMINATION

A. Examine subfloors and conditions, with Installer present, for compliance with requirements for maximum moisture content, alkalinity range, installation tolerances, and other conditions affecting performance of carpet. Do not proceed with installation until unsatisfactory conditions have been corrected.

B. Verify that subfloors and conditions are satisfactory for carpet installation and

comply with requirements specified in this Section and those of the carpet manufacturer.

3.02 PREPARATION

A. General: Comply with carpet manufacturer's installation recommendations to prepare substrates indicated to receive carpet installation.

B. Level subfloor within 1/4 inch in 10 feet noncumulative, in all directions.

Sand or grind protrusions, bumps, and ridges. Patch and repair cracks and rough areas. Fill depressions.

1. Use leveling and patching compounds to fill cracks, holes, and

depressions in subfloor as recommended by the carpet manufacturer. C. Remove subfloor coatings, including curing compounds, and other substances

that are incompatible with adhesives and that contain soap, wax, oil, or silicone.

D. Vacuum clean subfloors to be covered with carpet. Following cleaning,

examine subfloors for moisture, alkaline salts, carbonation, or dust. E. Ventilation Requirements for Carpet Installation: Provide adequate

ventilation, with continuous circulation of outside air, during installation of carpet. Maintain ventilation of space for at least 48 to 72 hours after completion of installation.


CARPET 09680-10

F. Concrete-Subfloor Preparation: Apply concrete-slab primer, according to manufacturer's directions, where recommended by the carpet manufacturer.

3.03 INSTALLATION

A. Direct Glue-Down Installation: Comply with CRI 104, Section 8: "Direct Glue-Down."

B. Comply with carpet manufacturer's recommendations for seam locations and

direction of carpet; maintain uniformity of carpet direction and lay of pile. At doorways, center seams under door in closed position. Do not bridge building expansion joints with continuous carpet.

C. Cut and fit carpet to butt tightly to vertical surfaces, permanent fixtures, and

built-in furniture including cabinets, pipes, outlets, edgings, thresholds, and nosings. Seal cut edges as recommended by carpet manufacturer.

D. Extend carpet into toe spaces, door reveals, closets, open-bottomed

obstructions, removable flanges, alcoves, and similar openings. E. Install pattern parallel to walls and borders.

3.04 REGLUING AND REPAIRS

A. Return to Project and make all necessary repairs including regluing as applicable of any part of, or of all, carpet, as required after initial installation.

B. The time of such work shall be when directed by the Owner, but shall be

within one year after Substantial Completion of Project. 3.05 CLEANING

A. Perform the following operations immediately after completing installation.

1. Remove visible adhesive, seam sealer, and other surface blemishes using cleaner recommended by carpet manufacturer.

2. Remove protruding yarns from carpet surface.

3. Vacuum carpet using commercial machine with face-beater element.

3.06 PROTECTION

A. General: Comply with CRI 104, Section 15: "Protection of Indoor


CARPET 09680-11

Installation." B. Provide final protection and maintain conditions, in a manner acceptable to

manufacturer and Installer that ensure carpet is without damage or deterioration at the time of Substantial Completion.

END OF SECTION


PAINTING 09900-1

SECTION 09900 – PAINTING (FILED SUB-BID REQUIRED) PART 1 – GENERAL

1.1 GENERAL PROVISIONS

A. Attention is directed to the CONTRACT AND GENERAL CONDITIONS and all Sections within DIVISION 01 – GENERAL REQUIREMENTS which are hereby made a part of this Section of the Specifications.

B. Time, Manner and Requirements for Submitting Sub-Bids:

1. Sub-bids for work under this Section shall be for the complete work and shall be

filed in a sealed envelope with the Town of Upton at a time and place as stipulated in the "NOTICE TO CONTRACTORS".

The following should appear on the upper left hand corner of the envelope:

NAME OF SUB-BIDDER: (Insert name of sub-bidder) PROJECT: SUB-BID FOR SECTION: 09900 – PAINTING

2. Each sub-bid submitted for work under this Section shall be on forms furnished

by the Town of Upton as required by Section 44F of Chapter 149 of the General Laws, as amended.

3. Sub-bids filed with the Town of Upton shall be accompanied by BID BOND or CASH or CERTIFIED CHECK or TREASURER'S CHECK or CASHIER'S CHECK issued by a responsible bank or trust company payable to the Town of Upton in the amount of five percent of the sub-bid. A sub-bid accompanied by any other form of bid deposit than those specified will be rejected.

1.3 SCOPE

Provide all labor, materials, equipment, supervision and related services and items necessary to perform all PAINTING work. A. Work Included:

1. Preparation and painting of all exterior trim (including sheet metal cornice

assemblies) and existing surfaces disturbed during construction. 2. Two finish coats on restored exterior windows. 3. Preparation, staining and finishing of all existing unpainted interior

woodwork.


PAINTING 09900-2

4. Preparation, priming and painting of existing painted interior woodwork and painted doors.

5. Preparation, priming and painting of all new windows. 6. Preparation, priming and painting of all new doors and frames and interior

woodwork. 7. Preparation and painting of all new and existing plaster and gypsum board

ceilings. 8. Preparation and painting of all interior existing plaster, restored plaster, new

plaster and gypsum board wall surfaces and other surfaces as indicated on Finish Schedules, drawings or needed for a complete project.

9. Alternate No. 1: Provide decorative painting at Main Hall as shown on Drawings A5.9 and A5.10.

B. Examine Contract Documents to determine full extent of painting, staining and

finishing work required. Materials provided under other Sections that need painting, staining or finishing and are left unfinished under requirements of other Specification Sections, shall be painted, stained and finished to completion under work of this Section, unless specifically scheduled herein to be left unfinished.

C. Preparatory work of materials and surfaces to receive paint or stain beyond that

specified to be done as work of other Sections, shall be included as work of this Section. This preparatory work shall include preparation of existing wall, metal and wood surfaces to receive paint.

D. Provide, operate and maintain all temporary hoisting equipment and provide,

maintain and remove all staging and scaffolding, and rigging required for all painting work outside of the general contractor’s scaffolding areas. The general contractor’s staging area includes all staging for work in the Main Hall, and in Little Town Hall.

1.4 SUBMITTALS

A. For information only, submit two (2) copies of manufacturers specifications, including paint label and analysis for each material specified and/or used.

B. Submit samples for Architects review of color and texture only. Compliance with

all other requirements is the exclusive responsibility of the Contractor. On 12" x 12" hardboard, provide 2 samples of each color and material, with texture to simulate actual conditions. Resubmit each sample as requested until required sheen, color and texture is achieved.

C. Mock-ups: Provide a minimum 10’ x 10’ mock-up (each) of wall and ceiling

painting schemes proposed for the Main Hall. 1.5 DELIVERY AND STORAGE


PAINTING 09900-3

A. Deliver all materials to the job site in original, new and unopened packages and containers bearing manufacturers name and label.

1.6 JOB CONDITIONS

A. Do not apply paint materials when the temperature of surfaces to be painted and

the surrounding air temperatures are below 50 degrees F, unless otherwise permitted by the paint manufacturers printed instructions.

B. Do not apply paint materials in snow, rain, fog, or mist, or when the relative

humidity exceeds 85%, or to damp or west surfaces. Test all wood to be painted with a moisture meter and do not apply paint to wood with a moisture content greater than 12%.

1.7 RELATED WORK

SECTION 06200 – FINISH CARPENTRY AND MISCELLANEOUS WORK. 1.8 CONTRACTOR QUALIFICATIONS A. Painting Contractor shall be certified in the category “Painting” by the Massachusetts Division of Capital Asset Management. PART 2 - PRODUCTS 2.1 COLORS AND FINISHES

A. Paint colors, stains and wood finishes are to be selected and approved by the Architect prior to application. Submit samples, as specified herein, before proceeding with the work.

2.2 MATERIAL QUALITY

A. Provide the best quality of the various types of coatings as regularly manufactured by approved paint materials manufacturers. Material not displaying the manufacturer’s identifications as a standard, best-grade product will not be acceptable.

B. Provide undercoat paints which are compatible with the finish coats. Use only

thinners approved by the paint manufacturer and use only within recommended limits. 2.3 MATERIALS


PAINTING 09900-4

A. Paint Systems

The products listed are manufactured by Sherwin Williams. Equivalent products by other manufacturers may be submitted for review and approval by Owner and Architect. 1. Existing Exterior Woods and New Wood Work:

Prime all bare wood

lst Coat: Sherwin Williams A-100, Alkyd Exterior Wood Primer, Y24W20 at 2.2 dft. 2nd Coat: Sherwin Williams Duration Exterior Coating K Series at 2.8 mils dft. 3rd Coat: Sherwin Williams Duration Exterior Coating K Series at 2.8 mils dft. from the Sherwin Williams Preservation Palette.

2. Exterior Sheet Metal:

1st Coat: Sherwin Williams DTM Wash Primer 1.3 mils dft

2nd Coat: Sherwin Williams Duration Exterior Coating K Series at 2.8 mils dft. 3rd Coat: Sherwin Williams Duration Exterior Coating K Series at 2.8 mils dft.

3. Exterior:

1st Coat: Clear Polyurethane 2nd Coat: Clear Polyurethane

4. Newly patched raw plaster:

lst Coat: Sherwin Williams PrepRite Masonry Primer, B28W300 (7 mils wet, 3 mils dry) 2nd Coat: Sherwin Williams Duration Home Interior Latex Satin (4 mils wet, 1.5

mils dry) 3rd Coat: Sherwin Williams Duration Home Interior Latex Satin (4 mils wet, 1.5

mils dry)

5. Previously painted plaster:

1st Coat: Sherwin Williams Duration Home Interior Latex Satin (4 mils wet, 1.5 mils dry)

2nd Coat: Sherwin Williams ProMar 200 Latex Eg-Shel, B20W2200 Series (4 mils

wet, 1.5 mils dry)


PAINTING 09900-5

6. New plaster:

lst Coat: Sherwin Williams PrepRite Classic Latex Primer (7 mils wet, 3 mils dry)

2nd Coat: Sherwin Williams Duration Home Interior Latex Satin (4 mils wet, 1.5

mils dry)

3rd Coat: Sherwin Williams Duration Home Interior Latex Satin (4 mils wet, 1.5 mils dry)

7. Previously painted wood:

lst Coat: Sherwin Williams ProClassic XP Interior Alkyd Semi-Gloss (4 mils wet, 1.6 mils dry)

2nd Coat: Sherwin Williams ProClassic XP Interior Alkyd Semi-Gloss (4 mils wet,

1.6 mils dry

3rd Coat: Sherwin Williams ProClassic XP Interior Alkyd Semi-Gloss (4 mils wet, 1.6 mils dry)

8. New wood (opaque finish) :

lst Coat: Sherwin Williams PrepRite Wall and Wood Primer (4 mils wet, 1.6 mils dry)

2nd Coat: Sherwin Williams ProClassic XP Interior Alkyd Semi-Gloss (4 mils wet,

1.6 mils dry

3rd Coat: Sherwin Williams ProClassic XP Interior Alkyd Semi-Gloss (4 mils wet, 1.6 mils dry)

9. Interior Wood (transparent finish) :

1st Coat: S-W A48 Series Oil Stain (stain/grain as required to match existing

and/or adjoining wood) 2nd Coat: S-W A66 Series Oil Base Varnish 3rd Coat: S-W A66 Series Oil Base Varnish

10. Interior metals:

lst Coat: Shop-applied primer under SECTION 05500 – MISCELLANEOUS

METALS 2nd Coat: Sherwin Williams Duration Home Interior Latex Satin (4 mils wet, 1.5

mils dry)


PAINTING 09900-6

3rd Coat: Sherwin Williams Duration Home Interior Latex Satin (4 mils wet, 1.5 mils dry)

PART 3 - EXECUTION 3.1 INSPECTION

A. The Contractor must examine the areas and conditions under which painting work is to be applied. Notify in writing of conditions detrimental to the proper and timely completion of the work. Do not proceed with the work until unsatisfactory conditions have been corrected in a manner acceptable to the Contractor.

B. Starting of painting work will be construed as the Contractor's acceptance of the

surfaces and conditions. C. Do not paint over dirt, rust, scale, grease, moisture scuffed surfaces, or conditions

otherwise detrimental to the formation of a durable paint film. 3.2 SURFACE PREPARATION

A. General: Perform preparation and cleaning procedures in strict accordance with the paint manufacturers instructions and as herein specified, for each particular substrate condition.

1. Clean surfaces to be painted before applying paint or surface treatments.

Remove oil and grease prior to mechanical cleaning. Program cleaning and painting so that contaminants from the cleaning process will not fall onto wet, newly painted surfaces.

Scrape with hand tools all surfaces exhibiting areas of loose paint or poor adhesion. Feather all rough edges with sandpaper to provide smooth transition between paint layers of substrate. A sample of the desired quality level of scraping and sanding and feathering shall be provided by the Contractor for approval by the Architect.

2. Clean wood surfaces to be refinished before applying stain, varnish, shellac or other wood finishes.

B. Wood:

1. Remove all staples, fasteners, and non-historical unused appurtenances attached to trim, doors and woodwork or varnish.


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2. Clean wood surfaces to be painted of all dirt, oil, or other foreign substances with scrapers, mineral spirits, and sandpaper, as required. Sandpaper smooth those finished surfaces exposed to view, and dust off.

3. Scrape all loose paint or varnish and lightly sand all existing painted

surfaces, fill all holes and voids with epoxy putty and sand smooth to contour of wood surface, being careful not to damage muntin profiles. Prime and paint woodwork.

C. Sheet Metal:

1. Lightly sand all existing sheet metal and rub down with acetone prior to application of primer. Apply primer with 4 hours of surface preparation.

2. Clean and prep new sheet metal surfaces prior to application of primer.

3.3 MATERIALS PREPARATION

A. Mix and prepare painting materials in accordance with manufacturers directions. B. Store materials not in actual use in tightly covered containers. Maintain containers

used in storage, mixing and application of paint in a clean condition free of foreign materials and residue.

C. Stir materials before application to produce a mixture of uniform density, and stir as required during the application of the materials. Do not stir surface film into the material.

Remove the film and if necessary, strain the material before using. 3.4 APPLICATION

A. Apply paint materials in accordance with the manufacturer’s directions. Use

applicators and techniques best suited for the type of material being applied. B. Apply paint materials so as to completely cover all surfaces with an opaque,

smooth surface of uniform finish, color, appearance and coverage. Cloudiness, spotting, laps, refinish, or repaint work not in compliance with specified requirements.

C. Apply additional coats when undercoats, stains or other conditions show through

the final coat of paint, until the paint film is of uniform finish, color and appearance.

D. Prime Coats: Apply a prime coat to those areas which are badly worn or where

there is exposed bare substrate.


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E. Completed Work: Match approved samples for color, texture and coverage.

Remove, refinish or paint work not in compliance with specified requirements. 3.5 CLEAN-UP PROTECTION

A. During the progress of the work, remove from the project daily all discarded paint

materials, rubbish, cans and rags. No paint materials will be allowed to be kept within the structure itself for any reason.

B. Protect all areas of the building and site, whether to be painted or not, against

damage by painting and finishing work. Correct any damages by cleaning, repairing or replacing and repainting, as directed by the Architect.
