S02_Attachment 1_SOW and Specifications.pdf

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06-01-14

GYPSUM BOARD

09 29 00 - 1

SECTION 09 29 00

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section specifies installation and finishing of gypsum board.

1.2 RELATED WORK

A. Installation of steel framing members for walls, partitions, furring, soffits, and ceilings: Section 05 40 00, COLD-FORMED METAL FRAMING, and

Section 09 22 16, NON-STRUCTURAL METAL FRAMING.

B. Thermal Insulation: Section 07 21 13, THERMAL INSULATION.

C. Sealants: Section 07 92 00, JOINT SEALANTS.

1.3 TERMINOLOGY

A. Definitions and description of terms to be in accordance with ASTM C11, C840, and as specified.

1.4 SUSTAINABILITY REQUIREMENTS

A. Materials in this section may contribute towards contract compliance with sustainability requirements.

B. Biobased Material: For products designated by the USDA’s BioPreferred® program, provide products that meet or exceed USDA recommendations for biobased content, subject to the products compliance with performance requirements in this Section. For more information regarding the product categories covered by the BioPreferred® program, visit http://www.biopreferred.gov.

C. Any gypsum wallboard panel products used on this project must have passed testing for moisture and mold-resistance.

1.5 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

B. Manufacturer's Literature and Data:

1. Cornerbead and edge trim.

2. Finishing materials.

3. Gypsum board, each type.

C. Shop Drawings:

1. Typical gypsum board installation of all assemblies, showing corner details, edge trim details and the like.

D. Samples:

1. Cornerbead.

2. Edge trim.

http://www.biopreferred.gov/

09 29 00 - 2

3. Control joints.

1.6 DELIVERY, IDENTIFICATION, HANDLING AND STORAGE

A. In accordance with the requirements of ASTM C840.

1.7 ENVIRONMENTAL CONDITIONS

A. In accordance with the requirements of ASTM C840.

1.8 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown or specified.

B. American Society for Testing and Materials (ASTM):

C11-13 Terminology Relating to Gypsum and Related

Building Materials and Systems

C475/C475M-12 Joint Compound and Joint Tape for Finishing

Gypsum Board

C840-11 Application and Finishing of Gypsum Board

C954-11 Steel Drill Screws for the Application of

Gypsum Panel Products or Metal Plaster Bases to

Steel Studs from 0.033 in. (0.84 mm) to 0.112

in. (2.84 mm) in Thickness

C1002-07 Steel Self-Piercing Tapping Screws for the

Application of Gypsum Panel Products or Metal

Plaster Bases to Wood Studs or Steel Studs

C1047-10a Accessories for Gypsum Wallboard and Gypsum

Veneer Base

C1177/C1177M-08 Glass Mat Gypsum Substrate for Use as Sheathing

C1280-11 Application of Exterior Gypsum Panel Products for Use as Sheathing

C1325-08b Fiber Mat Reinforced Cementitious Backer Unit

C1396/C1396M-13 Gypsum Board

C1658/C1658M Glass Mat Gypsum Panels

D3273-12 Resistance to Growth of Mold on the Surface of

Interior Coatings in an Environmental Chamber

PART 2 - PRODUCTS

2.1 GYPSUM BOARD

A. Gypsum Board (Typical) - Mold and Moisture-Resistant: ASTM C1396, (Type

X,) 16 mm (5/8 inch) thick unless shown otherwise.

09 29 00 - 3

B. Gypsum Backing Board - Mold and Moisture-Resistant: ASTM C1396, 16 mm

(5/8 inch) thick.

C. Cementitious Backing Board: ASTM C1325, use in showers.

D. Glass-Mat-Faced Interior Panels: ASTM C1177, Type X, 16 mm (5/8 inch) thick and complying to the requirements of ASTM D3273 for Mold and

Mildew resistance.

E. Provide gypsum cores with a minimum of 95 percent post industrial recycled gypsum content. Provide paper facings with 100 percent post-consumer recycled paper content.

2.2 GYPSUM SHEATHING BOARD

A. Provide panels complying with ASTM C1177 and ASTM C1396, Type X, water-resistant core, 16 mm (5/8 inch) thick.

2.3 ACCESSORIES

A. ASTM C1047, except form of 0.39 mm (0.015 inch) thick zinc coated steel sheet or rigid PVC plastic.

2.4 FASTENERS

A. ASTM C1002 and ASTM C840, except as otherwise specified.

B. ASTM C954, for steel studs thicker than 0.04 mm (0.33 inch).

C. For fire rated construction, type and size same as used in fire rating test.

2.5 FINISHING MATERIALS AND LAMINATING ADHESIVE

A. ASTM C475 and ASTM C840.

B. Provide material free of antifreeze, vinyl adhesives, preservatives and biocides; VOC content within limits of stated performance requirements.

C. Joint Tape: Use cross-laminated, tapered edge, reinforced paper, or fiber glass mesh tape recommended by the manufacturer.

PART 3 - EXECUTION

3.1 GYPSUM BOARD HEIGHTS

A. Extend gypsum board from floor to heights as follows, unless shown otherwise:

1. Not less than 150 mm (6 inches) above suspended acoustical ceilings.

2. At ceiling of suspended gypsum board ceilings.

3.2 INSTALLING GYPSUM BOARD

A. Install gypsum board in accordance with ASTM C840, except as otherwise specified.

B. Provide and install moisture and mold-resistant glass-mat-faced interior gypsum wallboard products with moisture-resistant surfaces complying with ASTM C1658 where shown and in high humidity and wet

09 29 00 - 4 areas or locations which might be subject to moisture exposure during construction.

1. High humidity and wet areas include, but not limited to, wallboard installed at building perimeter.

C. Ceilings:

1. For single-ply construction, use perpendicular application.

2. For two-ply assembles:

a. Use perpendicular application.

b. Apply face ply of gypsum board so that joints of face ply do not occur at joints of base ply with joints over framing members.

D. Install control joints in accordance with ASTM C840.

E. Accessories:

1. Install the following accessories in accordance with ASTM C1047.

a. Corner Beads.

b. Edge Trim (casing beads).

3.3 INSTALLING GYPSUM SHEATHING

A. Comply with ASTM C1280; install sheathing vertically, with edges butted tight and ends occurring over firm bearing.

B. Coordinate sheathing installation with flashing and joint-sealant installation so these materials are installed in sequence and manner that prevent exterior moisture from passing through completed exterior wall assembly.

C. Do not bridge building expansion joints with sheathing; cut and space edges to match spacing of structural support elements.

D. Seal sheathing joints according to sheathing manufacturer's written recommendations.

1. Apply glass-fiber sheathing tape to glass-mat gypsum sheathing board joints, and apply and trowel silicone emulsion sealant to embed sealant in entire face of tape.

2. Apply sealant to exposed fasteners with a trowel so fasteners are completely covered.

3. Seal other penetrations and openings.

3.4 FINISHING OF GYPSUM BOARD

A. Finish joints, edges, corners, and fastener heads in accordance with

ASTM C840.

B. Use Level 5 finish for all finished areas open to public view; level 2 finish in utility, maintenance and service areas and level 1 in plenums, attics and other concealed areas.

09 29 00 - 5

C. Follow manufacturer’s fire testing reports where fire resistant construction is shown on drawings.

3.5 REPAIRS

A. After taping and finishing has been completed, and before decoration, repair all damaged and defective work, including non-decorated surfaces.

B. Patch holes or openings 13 mm (1/2 inch) or less in diameter, or equivalent size, with a setting type finishing compound or patching plaster.

C. Repair holes or openings over 13 mm (1/2 inch) diameter, or equivalent size, with 16 mm (5/8 inch) thick gypsum board secured in such a manner as to provide solid substrate equivalent to undamaged surface.

D. Tape and refinish scratched, abraded or damaged finish surfaces including cracks and joints in non-decorated surface to provide fire protection equivalent to the fire rated construction.

- - - E N D - - -

SECTION 09 29 00 GYPSUM BOARD

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section specifies installation and finishing of gypsum board.

1.2 RELATED WORK

A. Installation of steel framing members for walls, partitions, furring, soffits, and ceilings: Section 05 40 00, COLD-FORMED METAL FRAMING, and Section 09 22 16, NON-STRUCTURAL METAL FRAMING.

B. Thermal Insulation: Section 07 21 13, THERMAL INSULATION.

C. Sealants: Section 07 92 00, JOINT SEALANTS.

1.3 TERMINOLOGY

A. Definitions and description of terms to be in accordance with ASTM C11, C840, and as specified.

1.4 SUSTAINABILITY REQUIREMENTS

A. Materials in this section may contribute towards contract compliance with sustainability requirements.

B. Biobased Material: For products designated by the USDA’s BioPreferred® program, provide products that meet or exceed USDA recommendations for biobased content, subject to the products compliance with performance requirements in this Section. For ...

C. Any gypsum wallboard panel products used on this project must have passed testing for moisture and mold-resistance.

1.5 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Manufacturer's Literature and Data:

1. Cornerbead and edge trim.

2. Finishing materials.

3. Gypsum board, each type.

C. Shop Drawings:

1. Typical gypsum board installation of all assemblies, showing corner details, edge trim details and the like.

D. Samples:

1. Cornerbead.

2. Edge trim.

3. Control joints.

1.6 DELIVERY, IDENTIFICATION, HANDLING AND STORAGE

A. In accordance with the requirements of ASTM C840.

1.7 ENVIRONMENTAL CONDITIONS

A. In accordance with the requirements of ASTM C840.

1.8 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown o...

B. American Society for Testing and Materials (ASTM):

C11-13 Terminology Relating to Gypsum and Related Building Materials and Systems

C475/C475M-12 Joint Compound and Joint Tape for Finishing Gypsum Board

C840-11 Application and Finishing of Gypsum Board

C954-11 Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness

C1002-07 Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs

C1047-10a Accessories for Gypsum Wallboard and Gypsum Veneer Base

C1177/C1177M-08 Glass Mat Gypsum Substrate for Use as Sheathing

C1280-11 Application of Exterior Gypsum Panel Products for Use as Sheathing

C1325-08b Fiber Mat Reinforced Cementitious Backer Unit

C1396/C1396M-13 Gypsum Board

C1658/C1658M Glass Mat Gypsum Panels

D3273-12 Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber

PART 2 - PRODUCTS

2.1 GYPSUM BOARD

A. Gypsum Board (Typical) - Mold and Moisture-Resistant: ASTM C1396, (Type X,) 16 mm (5/8 inch) thick unless shown otherwise.

B. Gypsum Backing Board - Mold and Moisture-Resistant: ASTM C1396, 16 mm (5/8 inch) thick.

C. Cementitious Backing Board: ASTM C1325, use in showers.

D. Glass-Mat-Faced Interior Panels: ASTM C1177, Type X, 16 mm (5/8 inch) thick and complying to the requirements of ASTM D3273 for Mold and Mildew resistance.

E. Provide gypsum cores with a minimum of 95 percent post industrial recycled gypsum content. Provide paper facings with 100 percent post-consumer recycled paper content.

2.2 GYPSUM SHEATHING BOARD

A. Provide panels complying with ASTM C1177 and ASTM C1396, Type X, water-resistant core, 16 mm (5/8 inch) thick.

2.3 ACCESSORIES

A. ASTM C1047, except form of 0.39 mm (0.015 inch) thick zinc coated steel sheet or rigid PVC plastic.

2.4 FASTENERS

A. ASTM C1002 and ASTM C840, except as otherwise specified.

B. ASTM C954, for steel studs thicker than 0.04 mm (0.33 inch).

C. For fire rated construction, type and size same as used in fire rating test.

2.5 FINISHING MATERIALS AND LAMINATING ADHESIVE

A. ASTM C475 and ASTM C840.

B. Provide material free of antifreeze, vinyl adhesives, preservatives and biocides; VOC content within limits of stated performance requirements.

C. Joint Tape: Use cross-laminated, tapered edge, reinforced paper, or fiber glass mesh tape recommended by the manufacturer.

PART 3 - EXECUTION

3.1 GYPSUM BOARD HEIGHTS

A. Extend gypsum board from floor to heights as follows, unless shown otherwise:

1. Not less than 150 mm (6 inches) above suspended acoustical ceilings.

2. At ceiling of suspended gypsum board ceilings.

3.2 INSTALLING GYPSUM BOARD

A. Install gypsum board in accordance with ASTM C840, except as otherwise specified.

B. Provide and install moisture and mold-resistant glass-mat-faced interior gypsum wallboard products with moisture-resistant surfaces complying with ASTM C1658 where shown and in high humidity and wet areas or locations which might be subject to mois...

1. High humidity and wet areas include, but not limited to, wallboard installed at building perimeter.

C. Ceilings:

1. For single-ply construction, use perpendicular application.

2. For two-ply assembles:

a. Use perpendicular application.

b. Apply face ply of gypsum board so that joints of face ply do not occur at joints of base ply with joints over framing members.

D. Install control joints in accordance with ASTM C840.

E. Accessories:

3.3 INSTALLING GYPSUM SHEATHING

A. Comply with ASTM C1280; install sheathing vertically, with edges butted tight and ends occurring over firm bearing.

B. Coordinate sheathing installation with flashing and joint-sealant installation so these materials are installed in sequence and manner that prevent exterior moisture from passing through completed exterior wall assembly.

C. Do not bridge building expansion joints with sheathing; cut and space edges to match spacing of structural support elements.

D. Seal sheathing joints according to sheathing manufacturer's written recommendations.

1. Apply glass-fiber sheathing tape to glass-mat gypsum sheathing board joints, and apply and trowel silicone emulsion sealant to embed sealant in entire face of tape.

2. Apply sealant to exposed fasteners with a trowel so fasteners are completely covered.

3. Seal other penetrations and openings.

3.4 FINISHING OF GYPSUM BOARD

A. Finish joints, edges, corners, and fastener heads in accordance with ASTM C840.

B. Use Level 5 finish for all finished areas open to public view; level 2 finish in utility, maintenance and service areas and level 1 in plenums, attics and other concealed areas.

C. Follow manufacturer’s fire testing reports where fire resistant construction is shown on drawings.

3.5 REPAIRS

A. After taping and finishing has been completed, and before decoration, repair all damaged and defective work, including non-decorated surfaces.

B. Patch holes or openings 13 mm (1/2 inch) or less in diameter, or equivalent size, with a setting type finishing compound or patching plaster.

C. Repair holes or openings over 13 mm (1/2 inch) diameter, or equivalent size, with 16 mm (5/8 inch) thick gypsum board secured in such a manner as to provide solid substrate equivalent to undamaged surface.

D. Tape and refinish scratched, abraded or damaged finish surfaces including cracks and joints in non-decorated surface to provide fire protection equivalent to the fire rated construction.

ACOUSTICAL CEILINGS

09 51 00 - 1

SECTION 09 51 00

PART 1- GENERAL

A. Metal ceiling suspension system for acoustical ceilings.

B. Acoustical units.

A. Color, pattern, and location of each type of acoustical unit:

1. Section 09 06 00, SCHEDULE FOR FINISHES.

1.3 PERFORMANCE REQUIREMENTS

A. Seismic Performance: Acoustical ceiling must withstand the effects of earthquake motions determined according to ASCE/SEI 7.

B. Surface-Burning Characteristics: Comply with ASTM E84; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.

1. Flame-Spread Index: Comply with ASTM E1264 for Class A materials.

2. Smoke-Developed Index: 25 or less.

C. Acoustical Ceiling Tile - Recycled Content: Minimum 5 percent post-consumer recycled content, or minimum 20 percent pre-consumer recycled content at contractor’s option.

E. Provide acoustical ceiling tile with anti-microbial treatment to inhibit growth of mold and mildew.

1. Coating-Based Antimicrobial Treatment: Provide acoustical panels with face and back surfaces coated with antimicrobial treatment; and showing no mold or mildew growth when tested in accordance with ASTM

D3273.

2. Panel-Based Antimicrobial Treatment: Provide acoustical panels manufactured with antimicrobial treatment in the panels.

F. Steel Suspension System - Recycled Content: Recycled Content: Minimum

5 percent post-consumer recycled content, or minimum 20 percent pre-consumer recycled content at contractor’s option.

G. VOC Emissions: Provide low VOC products that comply with the testing and product requirements of the California Department of Health

Services' "Standard Practice for the Testing of Volatile Organic

Emissions from Various Sources Using Small-Scale Environmental

Chambers."

09 51 00 - 2 with sustainability requirements. See Section 01 81 11, SUSTAINABLE

DESIGN REQUIRMENTS

B. Provide documentation of conformance with performance requirements of this section.

C. Samples:

1. Acoustical units, each type, with label indicating conformance to specification requirements,

2. Colored markers for units providing access.

D. Manufacturer's Literature and Data:

1. Ceiling suspension system, each type, showing complete details of installation, including suspension system specified to match existing and upward access system details for concealed grid systems.

2. Acoustical units, each type.

E. Manufacturer's Certificates: Acoustical units, each type, in accordance with specification requirements.

1.6 DEFINITIONS

A. Standard definitions as defined in ASTM C634.

B. Terminology as defined in ASTM E1264.

1.7 APPLICABLE PUBLICATIONS

B. American Society of Civil Engineers/Structural Engineering Institute

(ASCE/SEI):

09 51 00 - 3

ASCE/SEI-7-10 Minimum Design Loads for Buildings and Other

Structures

C. American Society for Testing and Materials (ASTM):

A641/A641M-09a Zinc-coated (Galvanized) Carbon Steel Wire

C423-09a Sound Absorption and Sound Absorption

Coefficients by the Reverberation Room Method

C634-11 Standard Terminology Relating to Environmental

Acoustics

C635/C635M-13 Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings

C636/C636M-13 Installation of Metal Ceiling Suspension

Systems for Acoustical Tile and Lay-in Panels

E84-13a Surface Burning Characteristics of Building

Materials

E413-10 Classification for Rating Sound Insulation.

E1264-08c1 Classification for Acoustical Ceiling Products

E1414/E1414M-11a Airborne Sound Attenuation Between Rooms

Sharing a Common Ceiling Plenum

1.8 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials to the site in the manufacturer's original unopened containers with brand name and type clearly marked

B. Carefully handle and store materials in dry, watertight enclosures.

C. Immediately before installation, store acoustical units for not less than 24 hours at the same temperature and relative humidity as the space where they will be installed in order to assure proper temperature and moisture acclimation.

1.9 ENVIRONMENTAL REQUIREMENTS

A. Maintain a uniform temperature of not less than 16 degrees C (60 degrees F) nor more than 29 degrees C 85 degrees F and a relative humidity of not more than 70 percent for 24 hours before, during, and

24 hours after installation of acoustical units.

1.10 SCHEDULING

A. Complete and dry interior finish work such as plastering, concrete and terrazzo work before ceiling installation.

B. Complete mechanical, electrical, and other work above the ceiling line;

install and start operating heating, ventilating, and air conditioning systems in order to maintain temperature and humidity requirements.

09 51 00 - 4

PART 2- PRODUCTS

2.1 METAL SUSPENSION SYSTEM

A. ASTM C635, heavy-duty system, except as otherwise specified.

B. Exposed grid suspension system and wall molding:

1. Exposed grid width not less than 22 mm (7/8 inch) with not less than

8 mm (5/16 inch) panel bearing surface.

2.2 WIRE

A. Conform to ASTM A641, Class 1.

B. Wire Hangers: Minimum diameter 2.68 mm (0.1055 inch).

C. Bracing Wires: Minimum diameter 3.43 mm (0.1350 inch).

2.3 ACOUSTICAL UNITS

A. General:

1. Provide panels complying with ASTM E1264; Class A Flame Spread per

ASTM E84.

2. Minimum NRC (Noise Reduction Coefficient): 0.55 unless specified otherwise; ASTM C423.

3. Minimum CAC (Ceiling Attenuation Class): 38 unless specified otherwise: ASTM E1414.

4. Manufacturers standard finish, minimum Light Reflectance (LR) coefficient of 0.75 on the exposed surfaces, except as specified otherwise in Section 09 06 00, SCHEDULE FOR FINISHES.

5. Lay-in Panels: Sizes as shown

A. Markers:

1. Use colored markers with pressure sensitive adhesive on one side.

2. Make colored markers of paper or plastic, 6 to 9 mm (1/4 to 3/8 inch) in diameter.

B. Use markers of the same diameter throughout building.

C. Color Code: Use following color markers for service identification:

COLOR SERVICE

Red Sprinkler System: Valves and Controls

Green Domestic Water: Valves and Controls

Yellow Chilled Water and Heating Water

Orange Ductwork: Fire Dampers

Blue Ductwork: Dampers and Controls

Black Gas: Laboratory, Medical, Air and Vacuum

09 51 00 - 5

3.1 CEILING TREATMENT

A. Lay out acoustical units symmetrically about center lines of each room or space unless shown otherwise on reflected ceiling plan; miter corners or install corner caps.

B. Moldings:

1. Install metal wall molding at perimeter of room, column, or edge at vertical surfaces.

2. Install special shaped molding at changes in ceiling heights and at other breaks in ceiling construction to support acoustical units and to conceal their edges.

3.2 CEILING SUSPENSION SYSTEM INSTALLATION

1. Comply with ASTM C635 and C636.

2. Install metal suspension system for acoustical tile and lay-in panels in accordance with ASTM C636, except as specified otherwise.

3. Use direct or indirect hung suspension system or combination thereof as defined in ASTM C635.

4. Support a maximum area of 1.48 m2 (16 sf) of ceiling per hanger.

5. Prevent deflection in excess of 1/360 of span of cross runner and main runner.

6. Provide extra hangers, minimum of one hanger at each corner of each item of mechanical, electrical and miscellaneous equipment supported by ceiling suspension system not having separate support or hangers.

7. Provide not less than 100 mm (4 inch) clearance from the exposed face of the acoustical units to the underside of ducts, pipe, conduit, secondary suspension channels, concrete beams or joists;

and steel beam or bar joist unless furred system is shown,

8. Use main runners not less than 1200 mm (48 inches) in length.

9. Install hanger wires vertically. Angled wires are not acceptable except for seismic restraint bracing wires.

3.3 ACOUSTICAL UNIT INSTALLATION

A. Comply with ASTM C636.

B. Markers:

1. Install markers of color code specified to identify the various concealed piping, mechanical, and plumbing systems.

2. Attach colored markers to exposed grid on opposite sides of the units providing access.

09 51 00 - 6

3. Attach marker on exposed ceiling surface of upward access acoustical unit.

3.4 CLEAN-UP AND COMPLETION

A. Replace damaged, discolored, dirty, cracked and broken acoustical units.

B. Leave finished work free from defects.

SECTION 09 51 00 ACOUSTICAL CEILINGS

PART 1- GENERAL

1.1 DESCRIPTION

A. Metal ceiling suspension system for acoustical ceilings.

B. Acoustical units.

1.2 RELATED WORK

A. Color, pattern, and location of each type of acoustical unit:

1. Section 09 06 00, SCHEDULE FOR FINISHES.

1.3 PERFORMANCE REQUIREMENTS

A. Seismic Performance: Acoustical ceiling must withstand the effects of earthquake motions determined according to ASCE/SEI 7.

B. Surface-Burning Characteristics: Comply with ASTM E84; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.

1. Flame-Spread Index: Comply with ASTM E1264 for Class A materials.

2. Smoke-Developed Index: 25 or less.

C. Acoustical Ceiling Tile - Recycled Content: Minimum 5 percent post-consumer recycled content, or minimum 20 percent pre-consumer recycled content at contractor’s option.

E. Provide acoustical ceiling tile with anti-microbial treatment to inhibit growth of mold and mildew.

1. Coating-Based Antimicrobial Treatment: Provide acoustical panels with face and back surfaces coated with antimicrobial treatment; and showing no mold or mildew growth when tested in accordance with ASTM D3273.

2. Panel-Based Antimicrobial Treatment: Provide acoustical panels manufactured with antimicrobial treatment in the panels.

F. Steel Suspension System - Recycled Content: Recycled Content: Minimum 5 percent post-consumer recycled content, or minimum 20 percent pre-consumer recycled content at contractor’s option.

G. VOC Emissions: Provide low VOC products that comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale E...

1.4 SUSTAINABILITY REQUIREMENTS

A. Materials in this section may contribute towards contract compliance with sustainability requirements. See Section 01 81 11, SUSTAINABLE DESIGN REQUIRMENTS

B. Biobased Material: For products designated by the USDA’s BioPreferred® program, provide products that meet or exceed USDA recommendations for biobased content, subject to the products compliance with performance requirements in this Section. For ...

1.5 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Provide documentation of conformance with performance requirements of this section.

C. Samples:

1. Acoustical units, each type, with label indicating conformance to specification requirements,

2. Colored markers for units providing access.

D. Manufacturer's Literature and Data:

1. Ceiling suspension system, each type, showing complete details of installation, including suspension system specified to match existing and upward access system details for concealed grid systems.

2. Acoustical units, each type.

E. Manufacturer's Certificates: Acoustical units, each type, in accordance with specification requirements.

1.6 DEFINITIONS

A. Standard definitions as defined in ASTM C634.

B. Terminology as defined in ASTM E1264.

1.7 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown o...

B. American Society of Civil Engineers/Structural Engineering Institute (ASCE/SEI):

ASCE/SEI-7-10 Minimum Design Loads for Buildings and Other Structures

C. American Society for Testing and Materials (ASTM):

A641/A641M-09a Zinc-coated (Galvanized) Carbon Steel Wire

C423-09a Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

C634-11 Standard Terminology Relating to Environmental Acoustics

C635/C635M-13 Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings

C636/C636M-13 Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-in Panels

E84-13a Surface Burning Characteristics of Building Materials

E413-10 Classification for Rating Sound Insulation.

E1264-08c1 Classification for Acoustical Ceiling Products

E1414/E1414M-11a Airborne Sound Attenuation Between Rooms Sharing a Common Ceiling Plenum

1.8 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials to the site in the manufacturer's original unopened containers with brand name and type clearly marked

B. Carefully handle and store materials in dry, watertight enclosures.

C. Immediately before installation, store acoustical units for not less than 24 hours at the same temperature and relative humidity as the space where they will be installed in order to assure proper temperature and moisture acclimation.

1.9 ENVIRONMENTAL REQUIREMENTS

A. Maintain a uniform temperature of not less than 16 degrees C (60 degrees F) nor more than 29 degrees C 85 degrees F and a relative humidity of not more than 70 percent for 24 hours before, during, and 24 hours after installation of acoustical units.

1.10 SCHEDULING

A. Complete and dry interior finish work such as plastering, concrete and terrazzo work before ceiling installation.

B. Complete mechanical, electrical, and other work above the ceiling line; install and start operating heating, ventilating, and air conditioning systems in order to maintain temperature and humidity requirements.

PART 2- PRODUCTS

2.1 METAL SUSPENSION SYSTEM

A. ASTM C635, heavy-duty system, except as otherwise specified.

B. Exposed grid suspension system and wall molding:

1. Exposed grid width not less than 22 mm (7/8 inch) with not less than 8 mm (5/16 inch) panel bearing surface.

2.2 WIRE

A. Conform to ASTM A641, Class 1.

B. Wire Hangers: Minimum diameter 2.68 mm (0.1055 inch).

C. Bracing Wires: Minimum diameter 3.43 mm (0.1350 inch).

2.3 ACOUSTICAL UNITS

A. General:

1. Provide panels complying with ASTM E1264; Class A Flame Spread per ASTM E84.

2. Minimum NRC (Noise Reduction Coefficient): 0.55 unless specified otherwise; ASTM C423.

3. Minimum CAC (Ceiling Attenuation Class): 38 unless specified otherwise: ASTM E1414.

4. Manufacturers standard finish, minimum Light Reflectance (LR) coefficient of 0.75 on the exposed surfaces, except as specified otherwise in Section 09 06 00, SCHEDULE FOR FINISHES.

5. Lay-in Panels: Sizes as shown

A. Markers:

1. Use colored markers with pressure sensitive adhesive on one side.

2. Make colored markers of paper or plastic, 6 to 9 mm (1/4 to 3/8 inch) in diameter.

B. Use markers of the same diameter throughout building.

C. Color Code: Use following color markers for service identification:

COLOR SERVICE

Red Sprinkler System: Valves and Controls

Green Domestic Water: Valves and Controls

Yellow Chilled Water and Heating Water

Orange Ductwork: Fire Dampers

Blue Ductwork: Dampers and Controls

Black Gas: Laboratory, Medical, Air and Vacuum

PART 3 - EXECUTION

3.1 CEILING TREATMENT

A. Lay out acoustical units symmetrically about center lines of each room or space unless shown otherwise on reflected ceiling plan; miter corners or install corner caps.

B. Moldings:

1. Install metal wall molding at perimeter of room, column, or edge at vertical surfaces.

2. Install special shaped molding at changes in ceiling heights and at other breaks in ceiling construction to support acoustical units and to conceal their edges.

3.2 CEILING SUSPENSION SYSTEM INSTALLATION

A. General:

1. Comply with ASTM C635 and C636.

2. Install metal suspension system for acoustical tile and lay-in panels in accordance with ASTM C636, except as specified otherwise.

3. Use direct or indirect hung suspension system or combination thereof as defined in ASTM C635.

4. Support a maximum area of 1.48 m2 (16 sf) of ceiling per hanger.

5. Prevent deflection in excess of 1/360 of span of cross runner and main runner.

6. Provide extra hangers, minimum of one hanger at each corner of each item of mechanical, electrical and miscellaneous equipment supported by ceiling suspension system not having separate support or hangers.

7. Provide not less than 100 mm (4 inch) clearance from the exposed face of the acoustical units to the underside of ducts, pipe, conduit, secondary suspension channels, concrete beams or joists; and steel beam or bar joist unless furred system is shown,

8. Use main runners not less than 1200 mm (48 inches) in length.

9. Install hanger wires vertically. Angled wires are not acceptable except for seismic restraint bracing wires.

3.3 ACOUSTICAL UNIT INSTALLATION

A. Comply with ASTM C636.

B. Markers:

1. Install markers of color code specified to identify the various concealed piping, mechanical, and plumbing systems.

2. Attach colored markers to exposed grid on opposite sides of the units providing access.

3. Attach marker on exposed ceiling surface of upward access acoustical unit.

3.4 CLEAN-UP AND COMPLETION

A. Replace damaged, discolored, dirty, cracked and broken acoustical units.

B. Leave finished work free from defects.

RESILIENT TILE FLOORING

09 65 19 - 1

SECTION 09 65 19

A. This section specifies the installation of solid vinyl tile flooring, vinyl composition tile flooring, rubber tile flooring, biobased tile flooring and accessories.

A. Color and pattern and location in room finish schedule: Section

09 06 00, SCHEDULE FOR FINISHES.

B. Resilient Base: Section 09 65 13, RESILIENT BASE AND ACCESSORIES.

A. VOC Emissions:

1. Provide low VOC products with Green Seal Certification to GS-36 and description of the basis for certification

2. Submit manufacturer’s certification that products comply with SCAQMD

Rule 1168.

B. Finish Flooring: Provide Floor Score certification.

B. Provide documentation of conformance with performance requirements of this section.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Resilient material manufacturers' recommendations for adhesives, underlayment, primers and polish.

3. Application and installation instructions.

09 65 19 - 2

D. Samples:

1. Tile: 300 mm by 300 mm (12 inches by 12 inches) for each type, pattern and color.

2. Edge Strips: 150 mm (6 inches) long, each type.

3. Feature Strips: 150 mm (6 inches) long.

E. Shop Drawings:

1. Layout of patterns shown on the drawings and in Section 09 06 00, SCHEDULE FOR FINISHES.

2. Edge strip locations showing types and detail cross sections.

F. Test Reports:

1. Abrasion Resistance: Depth of wear for each tile type and color and volume loss of tile, certified by independent laboratory.

2. Tested per ASTM F510.

1.6 DELIVERY

A. Deliver materials to the site in original sealed packages or containers, clearly marked with the manufacturer's name or brand, type and color, production run number and date of manufacture.

B. Materials from containers which have been distorted, damaged or opened prior to installation will be rejected.

1.7 STORAGE

A. Store materials in weathertight and dry storage facility.

B. Protect from damage from handling, water, and temperature.

1.8 APPLICABLE PUBLICATIONS

B. American Society for Testing and Materials (ASTM):

D4078-02(2008) Water Emulsion Floor Finish

E648-10e1 Critical Radiant Flux of Floor Covering Systems

Using a Radiant Energy Source

E662-13b Specific Optical Density of Smoke Generated by

Solid Materials

E1155-96(2008) Determining Floor Flatness and Floor Levelness

Numbers

F510-93(2008) Resistance to Abrasion of Resilient Floor

Coverings Using an Abrader with a Grit Feed

Method

09 65 19 - 3

F710-11 Preparing Concrete Floors to Receive Resilient

Flooring

F1066-04(2010)e1 Vinyl Composition Floor Tile

F1344-12e1 Rubber Floor Tile

F1700-13a Solid Vinyl Floor Tile

F1869-11 Measuring Moisture Vapor Emission Rate of

Concrete Subfloor Using Anhydrous Calcium

Chloride

F2170-11 Determining Relative Humidity in Concrete Floor

Slabs using In-situ Probes

C. Green Seal (GS):

GS-36(2000) Commercial Adhesives

D. South Coast Air Quality Management District (SCAQMD)

E. Resilient Floor Covering Institute (RFCI):

Recommended Work Practices for Removal of Resilient Floor Coverings

2.1 GENERAL

A. Furnish product type, materials of the same production run and meeting following criteria.

B. Use adhesives, underlayment, primers and polish recommended by the floor resilient material manufacturer.

C. Critical Radiant Flux: 0.45 watts per sq. cm or more, Class I, per ASTM

E648.

D. Smoke Density: Less than 450 per ASTM E662.

2.2 VINYL COMPOSITION TILE

A. ASTM F1066, Composition 1, Class 2 (through pattern), asbestos-free, 300 mm (12 inches) square, 3 mm (1/8 inch) thick.

B. Color and pattern uniformly distributed throughout thickness.

2.3 SOLID VINYL-TILE

A. ASTM F1700, Class I monolithic, Type A smooth; 300 mm (12 by 12 inches) square, minimum 3 mm (1/8 inch) thick.

B. Color and pattern uniformly distributed throughout thickness.

C. Where solid vinyl tiles are specified, seek products with recycled content.

2.4 RUBBER TILE

A. ASTM F1344, Class 1, homogenous rubber tile, Type B through mottled, 300 mm (12 inches) square, minimum 3 mm (1/8 inch) thick.

B. Color and pattern uniformly distributed throughout tile.

09 65 19 - 4

C. Molded pattern wearing surface base thickness 3 mm (1/8 inch) thick.

D. Where rubber tile is used provide tiles with a minimum of 90 percent post consumer rubber.

2.5 ADHESIVES

A. Comply with applicable regulations regarding toxic and hazardous materials Green Seal (GS-36) for commercial adhesive.

2.6 PRIMER (FOR CONCRETE SUBFLOORS)

A. As recommended by the adhesive and tile manufacturer.

2.7 LEVELING COMPOUND (FOR CONCRETE FLOORS)

A. Provide cementitious products with latex or polyvinyl acetate resins in the mix.

B. Determine the type of underlayment selected for use by the condition to be corrected.

2.8 POLISH AND CLEANERS

A. Cleaners RFCI CL-1.

B. Polish: ASTM D4078.

2.9 EDGE STRIPS

A. Provide 28 mm (1-1/8 inch) wide unless shown otherwise.

B. Bevel from maximum thickness to minimum thickness for flush joint unless shown otherwise.

C. Extruded aluminum, mill finish, mechanically cleaned:

1. Drill and counter sink edge strip for flat head screws.

2. Space holes near ends and approximately 225 mm (9 inches) on center between.

D. Resilient Edge Strip or Reducer Strip: Solid vinyl.

2.10 SCREWS

A. Stainless steel flat head screw.

2.11 FEATURE STRIPS

A. Use same material as floor tile.

B. Sizes and shapes as shown.

3.1 PROJECT CONDITIONS

A. Maintain temperature of materials a minimum of 22 °C (70 °F,) for 48 hours before installation.

B. Maintain temperature of rooms where work occurs between 21 °C and 27 °C

(70 °F and 80 °F), for at least 48 hours, before, during and after installation.

09 65 19 - 5

C. Do not install flooring until building is permanently enclosed and wet construction in or near areas to receive tile materials is complete, dry and cured.

3.2 SUBFLOOR PREPARATION

A. Verify that concrete slabs comply with ASTM F710. At existing slabs, determine levelness by F-number method in accordance with ASTM E1155;

overall value not to exceed FF30/FL20.

B. Correct conditions which will impair proper installation.

C. Fill cracks, joints and other irregularities in concrete with leveling compound:

1. Do not use adhesive for filling or leveling purposes.

2. Do not use leveling compound to correct imperfections which can be corrected by spot grinding.

3. Trowel to smooth surface free of trowel marks, pits, dents, protrusions, cracks or joints.

D. Clean floor of oil, paint, dust, and deleterious substances: Leave floor dry and cured free of residue from existing curing or cleaning agents.

E. Moisture Testing: Perform moisture and pH test as recommended by the flooring and adhesive manufacturers. Perform test locations starting on the deepest part of the concrete structure. Proceed with installation only after concrete substrates meet or exceed the manufacturer’s requirements. In the absence of specific guidance from the flooring or adhesive manufacturer the following requirements are to be met:

1. Perform moisture vapor emission tests in accordance with ASTM F1869.

Proceed with installation only after substrates have a maximum moisture-vapor-emission rate of 1.36 kg of water/92.9 sq. m (3lb of water/1000 sq. ft.) in 24 hours.

2. Perform concrete internal relative humidity testing using situ probes in accordance with ASTM F2170. Proceed with installation only after concrete reaches maximum 75 percent relative humidity level measurement.

F. Perform additional subfloor preparation to obtain satisfactory adherence of flooring if subfloor test patches allows easy removal of tile.

G. Prime the concrete subfloor if the primer will seal slab conditions that would inhibit bonding, or if priming is recommended by the tile or adhesive manufacturers.

09 65 19 - 6

H. Preparation of existing installation includes the removal of existing resilient floor and existing adhesive. Do not use solvents to remove adhesives.

3.3 INSTALLATION

A. Install in accordance with manufacturer's instructions for application and installation unless specified otherwise.

B. Mix tile from at least two containers. An apparent line of shade or pattern variance will not be accepted.

C. Tile Layout:

1. If layout is not shown on drawings, lay tile symmetrically about center of room or space with joints aligned.

2. Do not provide tile less than 150 mm (6 inches) and of equal width at walls.

3. Place tile pattern in the same direction; do not alternate tiles.

D. Trim tiles to touch for the length of intersections at pipes and vertical projections, seal joints at pipes with waterproof cement.

E. Application:

1. Apply adhesive uniformly without open cracks, voids, raising and puckering at joint, or other surface imperfections.

a. Conform to manufacturer's instructions for joint tightness and for corner intersection unless layout pattern shows random corner intersection.

b. More than 5 percent of the joints not touching will not be accepted.

2. Roll tile floor with a minimum 45 kg (100 pound) roller. No exceptions.

3. The RE/COR may have test tiles removed to check for non-uniform adhesion, spotty adhesive coverage, and ease of removal. Install new tile for broken removed tile.

F. Installation of Edge Strips:

1. Locate edge strips under center line of doors unless otherwise shown.

2. Set resilient edge strips in adhesive. Anchor metal edge strips with anchors and screws specified.

3. Where tile edge is exposed, butt edge strip to touch along tile edge.

4. Where thin set ceramic tile abuts resilient tile, set edge strip against floor file and against the ceramic tile edge.

09 65 19 - 7

3.4 CLEANING AND PROTECTION

A. Follow manufacturer’s instructions for cleaning and protection during the construction period.

3.5 LOCATION

A. Unless otherwise specified or shown, install tile flooring, on floor under areas where casework and other equipment occurs, except where mounted in wall recesses.

B. Extend tile flooring for room into adjacent closets and alcoves.

SECTION 09 65 19 RESILIENT TILE FLOORING

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section specifies the installation of solid vinyl tile flooring, vinyl composition tile flooring, rubber tile flooring, biobased tile flooring and accessories.

1.2 RELATED WORK

A. Color and pattern and location in room finish schedule: Section 09 06 00, SCHEDULE FOR FINISHES.

B. Resilient Base: Section 09 65 13, RESILIENT BASE AND ACCESSORIES.

1.3 PERFORMANCE REQUIREMENTS

A. VOC Emissions:

1. Provide low VOC products with Green Seal Certification to GS-36 and description of the basis for certification

2. Submit manufacturer’s certification that products comply with SCAQMD Rule 1168.

B. Finish Flooring: Provide Floor Score certification.

1.4 SUSTAINABILITY REQUIREMENTS

B. Biobased Material: For products designated by the USDA’s BioPreferred® program, provide products that meet or exceed USDA recommendations for biobased content, subject to the products compliance with performance requirements in this Section. For ...

1.5 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Provide documentation of conformance with performance requirements of this section.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Resilient material manufacturers' recommendations for adhesives, underlayment, primers and polish.

3. Application and installation instructions.

D. Samples:

1. Tile: 300 mm by 300 mm (12 inches by 12 inches) for each type, pattern and color.

2. Edge Strips: 150 mm (6 inches) long, each type.

3. Feature Strips: 150 mm (6 inches) long.

E. Shop Drawings:

1. Layout of patterns shown on the drawings and in Section 09 06 00, SCHEDULE FOR FINISHES.

2. Edge strip locations showing types and detail cross sections.

F. Test Reports:

1. Abrasion Resistance: Depth of wear for each tile type and color and volume loss of tile, certified by independent laboratory.

2. Tested per ASTM F510.

1.6 DELIVERY

A. Deliver materials to the site in original sealed packages or containers, clearly marked with the manufacturer's name or brand, type and color, production run number and date of manufacture.

B. Materials from containers which have been distorted, damaged or opened prior to installation will be rejected.

1.7 STORAGE

A. Store materials in weathertight and dry storage facility.

B. Protect from damage from handling, water, and temperature.

1.8 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown o...

B. American Society for Testing and Materials (ASTM):

D4078-02(2008) Water Emulsion Floor Finish

E648-10e1 Critical Radiant Flux of Floor Covering Systems Using a Radiant Energy Source

E662-13b Specific Optical Density of Smoke Generated by Solid Materials

E1155-96(2008) Determining Floor Flatness and Floor Levelness Numbers

F510-93(2008) Resistance to Abrasion of Resilient Floor Coverings Using an Abrader with a Grit Feed Method

F710-11 Preparing Concrete Floors to Receive Resilient Flooring

F1066-04(2010)e1 Vinyl Composition Floor Tile

F1344-12e1 Rubber Floor Tile

F1700-13a Solid Vinyl Floor Tile

F1869-11 Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride

F2170-11 Determining Relative Humidity in Concrete Floor Slabs using In-situ Probes

C. Green Seal (GS):

GS-36(2000) Commercial Adhesives

D. South Coast Air Quality Management District (SCAQMD)

E. Resilient Floor Covering Institute (RFCI):

Recommended Work Practices for Removal of Resilient Floor Coverings

PART 2 - PRODUCTS

2.1 GENERAL

A. Furnish product type, materials of the same production run and meeting following criteria.

B. Use adhesives, underlayment, primers and polish recommended by the floor resilient material manufacturer.

C. Critical Radiant Flux: 0.45 watts per sq. cm or more, Class I, per ASTM E648.

D. Smoke Density: Less than 450 per ASTM E662.

2.2 VINYL COMPOSITION TILE

A. ASTM F1066, Composition 1, Class 2 (through pattern), asbestos-free, 300 mm (12 inches) square, 3 mm (1/8 inch) thick.

B. Color and pattern uniformly distributed throughout thickness.

2.3 SOLID VINYL-TILE

A. ASTM F1700, Class I monolithic, Type A smooth; 300 mm (12 by 12 inches) square, minimum 3 mm (1/8 inch) thick.

B. Color and pattern uniformly distributed throughout thickness.

C. Where solid vinyl tiles are specified, seek products with recycled content.

2.4 RUBBER TILE

A. ASTM F1344, Class 1, homogenous rubber tile, Type B through mottled, 300 mm (12 inches) square, minimum 3 mm (1/8 inch) thick.

B. Color and pattern uniformly distributed throughout tile.

C. Molded pattern wearing surface base thickness 3 mm (1/8 inch) thick.

D. Where rubber tile is used provide tiles with a minimum of 90 percent post consumer rubber.

2.5 ADHESIVES

A. Comply with applicable regulations regarding toxic and hazardous materials Green Seal (GS-36) for commercial adhesive.

2.6 PRIMER (FOR CONCRETE SUBFLOORS)

A. As recommended by the adhesive and tile manufacturer.

2.7 LEVELING COMPOUND (For Concrete Floors)

A. Provide cementitious products with latex or polyvinyl acetate resins in the mix.

B. Determine the type of underlayment selected for use by the condition to be corrected.

2.8 POLISH AND CLEANERS

A. Cleaners RFCI CL-1.

B. Polish: ASTM D4078.

2.9 EDGE STRIPS

A. Provide 28 mm (1-1/8 inch) wide unless shown otherwise.

B. Bevel from maximum thickness to minimum thickness for flush joint unless shown otherwise.

C. Extruded aluminum, mill finish, mechanically cleaned:

1. Drill and counter sink edge strip for flat head screws.

2. Space holes near ends and approximately 225 mm (9 inches) on center between.

D. Resilient Edge Strip or Reducer Strip: Solid vinyl.

2.10 SCREWS

A. Stainless steel flat head screw.

2.11 FEATURE STRIPS

A. Use same material as floor tile.

B. Sizes and shapes as shown.

PART 3 - EXECUTION

3.1 PROJECT CONDITIONS

A. Maintain temperature of materials a minimum of 22 (C (70 (F,) for 48 hours before installation.

B. Maintain temperature of rooms where work occurs between 21 (C and 27 (C (70 (F and 80 (F), for at least 48 hours, before, during and after installation.

C. Do not install flooring until building is permanently enclosed and wet construction in or near areas to receive tile materials is complete, dry and cured.

3.2 SUBFLOOR PREPARATION

A. Verify that concrete slabs comply with ASTM F710. At existing slabs, determine levelness by F-number method in accordance with ASTM E1155; overall value not to exceed FF30/FL20.

B. Correct conditions which will impair proper installation.

C. Fill cracks, joints and other irregularities in concrete with leveling compound:

1. Do not use adhesive for filling or leveling purposes.

2. Do not use leveling compound to correct imperfections which can be corrected by spot grinding.

3. Trowel to smooth surface free of trowel marks, pits, dents, protrusions, cracks or joints.

D. Clean floor of oil, paint, dust, and deleterious substances: Leave floor dry and cured free of residue from existing curing or cleaning agents.

E. Moisture Testing: Perform moisture and pH test as recommended by the flooring and adhesive manufacturers. Perform test locations starting on the deepest part of the concrete structure. Proceed with installation only after concrete substrates meet o...

1. Perform moisture vapor emission tests in accordance with ASTM F1869. Proceed with installation only after substrates have a maximum moisture-vapor-emission rate of 1.36 kg of water/92.9 sq. m (3lb of water/1000 sq. ft.) in 24 hours.

2. Perform concrete internal relative humidity testing using situ probes in accordance with ASTM F2170. Proceed with installation only after concrete reaches maximum 75 percent relative humidity level measurement.

F. Perform additional subfloor preparation to obtain satisfactory adherence of flooring if subfloor test patches allows easy removal of tile.

G. Prime the concrete subfloor if the primer will seal slab conditions that would inhibit bonding, or if priming is recommended by the tile or adhesive manufacturers.

H. Preparation of existing installation includes the…