Dgs 2020 006 - Rev 1 - 130307 - Architectural Finishes

8/18/2019 Dgs 2020 006 - Rev 1 - 130307 - Architectural Finishes

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ABU DHABI GAS INDUSTRIES LTD. (GASCO)

ARCHITECTURAL FINISHES

DGS-2020-006/FH

DESIGN GENERAL SPECIFICATION


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1 13/03/2007NAJEEB AL MASKARI

PEM/C4AYMAN A. KHALIK

PED/D3ROMESH KUMAR

PEDSAEED Y. AL AMERI

PE

UPDATED & RE-ISSUED FOR

IMPLEMENTATION

0 20/05/01 A. KHALIK SHIREEN EL TAKI ABDUL AZIZ AL AMERIISSUED FOR

IMPLEMENTATION

A 12/12/99 A. KHALIK MOHAMED KULEIBMOHAMMED A.

SAHOOISSUED FORCOMMENTS

RevDate

DD/MM/YYWRITTEN BY CHECKED BY ENDORSED BY APPROVED BY STATUS

DOCUMENT REVISIONS


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CONTENTS

1 GENERAL......................................................................................................................................... 4

1.1 INTRODUCTION...........................................................................................................................4

1.2 PURPOSE................................................................................................................................... 4

1.3 DEFINITIONS .............................................................................................................................. 4

2 CODES AND STANDARDS.............................................................................................................. 4

3 REFERENCE DOCUMENTS ............................................................................................................7

4 DOCUMENT PRECEDENCE............................................................................................................ 8

5 SPECIFICATION DEVIATION/CONCESSION CONTROL ............................................................... 8

6 QUALITY ASSURANCE/QUALITY CONTROL ................................................................................ 8

7 DOCUMENTATION ..........................................................................................................................9

8 SUBCONTRACTORS/SUBVENDORS ........... .................................................................................. 9

9 HANDLING....................................................................................................................................... 9

9.1 PACKAGING AND SHIPPING ......................................................................................................... 9

9.2 PRESERVATION AND STORAGE ................................................................................................. 10

10 MATERIALS ................................................................................................................................... 10

11 PLASTERING................................................................................................................................. 11 11.1 GENERAL................................................................................................................................. 11

11.2 MATERIALS .............................................................................................................................. 12

11.3 EXECUTION.............................................................................................................................. 12

12 GYPSUM DRYWALL...................................................................................................................... 14

12.1 GENERAL................................................................................................................................. 14

12.2 MATERIALS .............................................................................................................................. 15

12.3 EXECUTION.............................................................................................................................. 16

13 TILE................................................................................................................................................ 18

13.1 GENERAL................................................................................................................................. 18

13.2 MATERIALS .............................................................................................................................. 19

13.3 EXECUTION.............................................................................................................................. 21

14 ACOUSTICAL TILE CEILING......................................................................................................... 26

14.1 GENERAL................................................................................................................................. 26

14.2 MATERIALS .............................................................................................................................. 26

14.3 EXECUTION.............................................................................................................................. 27


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15 RESILIENT FLOORING.................................................................................................................. 28

15.1 GENERAL................................................................................................................................. 28

15.2 MATERIALS .............................................................................................................................. 29

15.3 EXECUTION.............................................................................................................................. 30

16 CARPETING................................................................................................................................... 31

16.1 GENERAL................................................................................................................................. 31

16.2 MATERIALS .............................................................................................................................. 31

16.3 EXECUTION.............................................................................................................................. 33

17 PAINTING....................................................................................................................................... 34

17.1 GENERAL................................................................................................................................. 34

17.2 MATERIALS .............................................................................................................................. 36

17.3 EXECUTION.............................................................................................................................. 36

18 WALL COVERINGS ....................................................................................................................... 38

18.1 GENERAL................................................................................................................................. 38

18.2 MATERIALS .............................................................................................................................. 39

18.3 EXECUTION.............................................................................................................................. 39


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1 GENERAL

1.1 INTRODUCTION

This Design General Specification defines the technical requirements for the furnishingand installation of plastering, drywalling, tile, acoustical ceiling tile, resilient flooring,carpet, painting, wall coverings and accessories.

1.2 PURPOSE

This Design General Specification is to provide criteria for the furnishing of all

equipment, materials and installation as outlined on the DRAWINGS and thisspecification.

1.3 DEFINITIONS

Where used in this specification, the following terms shall have the meanings indicatedbelow unless otherwise clearly indicated by context of their use.

1.3.1 COMPANY - ABU DHABI GAS INDUSTRIES LTD. (GASCO).

1.3.2 CONCESSION REQUEST - A deviation requested by the CONTRACTOR orVENDOR, usually after receiving the contract documents or purchase order. Often, itrefers to an authorization to use, repair, recondition, reclaim, or release materials,

components or equipment already in progress or completely manufactured but whichdoes not meet or comply with the COMPANY requirements. A CONCESSIONREQUEST is subject to COMPANY approval.

1.3.3 CONTRACTOR - The party which carries out all or part of the design engineering,procurement, construction and commissioning or management of the project.

1.3.4 SUBCONTRACTOR - An organization providing specific services to theCONTRACTOR.

1.3.5 PROJECT MANAGEMENT TEAM (PMT) - The COMPANY authorized partyresponsible for the overall day-to-day execution of the Project. The PMT is to serve asthe liaison between the COMPANY and the CONTRACTOR(S) on the project.

1.3.6 MANUFACTURER/VENDOR/SUBVENDOR - The service organization which actuallymanufacturers and/or supplies the material/product in question.

1.3.7 SHALL - Indicates a mandatory requirement.

1.3.8 DRAWINGS - Drawings provided by the CONTRACTOR.

2 CODES AND STANDARDS

The following codes and standards, to the extent specified herein, form a part of thisspecification. When an edition date is not indicated for a Code or Standard, the latest


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edition and addendums in force at time of contract award shall apply. Where there areconflicts between the requirements of different Codes and Standards the moststringent criteria shall apply.

Alternate codes and standards meeting the requirements of the referenced standardsand codes may be used with approval of the COMPANY.

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

ASTM A653/A653MRev. A

ASTM C5

Specification for General Requirements for Steel Sheet,Zinc-Coated (Galvanized) by the Hot Dip Process

Specification for Quicklime for Structural Purposes

ASTM C35 Specification for Inorganic Aggregates for Use in GypsumPlaster

ASTM C36/C36M Standard Specification for Gypsum Wallboard

ASTM C144 Standard Specification for Aggregate for Masonry Mortar

ASTM C150 Standard Specification for Portland Cement

ASTM C206 Standard Specification for Special Finishing Hydrated Lime

ASTM C207 Standard Specification for Hydrated Lime for MasonryPurposes

ASTM C475 Joint Compound and Joint Tape for Finishing Gypsum Board

ASTM C503 Specification for Marble Dimension Stone

ASTM C630/C630M Specification for Water-Resistant Gypsum Backing Board

ASTM C635 Standard Specification for the Manufacture, Performance,and Testing of Metal Suspension Systems for Acoustical Tileand Lay-In Panel Ceilings

ASTM C754 Installation of Steel Framing Members to Receive Screw-Attached Gypsum Board

ASTM C840 Application and Finishing of Gypsum Board

ASTM D4259 Practice for Abrading Concrete

ASTM D4260 Practice for Acid Etching Concrete

ASTM C1002 Specification for Steel Self-Piercing Tapping Screws for theApplication of Gypsum Panel Products or Metal PlasterBases to Wood Studs or Steel Studs.

ASTM E84 Test Method for Surface Burning Characteristics of BuildingMaterials

STEEL DOOR INSTITUTE (SDI)

UNDERWRITERS LABORATORIES, INC., (UL)


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FACTORY MUTUAL ENGINEERING CORPORATION (FM)

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI A108.1 Installation of Ceramic Tile

ANSI A108.4 Ceramic Tile Installed with Organic Adhesives

ANSI A108.5 Ceramic Tile Installed with Dry-Set Portland Cement Mortar

ANSI A108.6 Ceramic Tile Installed with Chemical Resistant, Water-Cleanable Tile-Setting and Grouting Epoxy

ANSI A118.1 Standard Specification for Dry-Set Portland Cement MortarANSI A136.1 Standard Specification for Organic Adhesives for Installation

of Ceramic Tile

ANSI A137.1 Standard Specification for Ceramic Tile

FEDERAL SPECIFICATIONS (FED. SPEC.)

Fed. Spec. GGG-D-777B Powder Actuated Projectile Unit Driver

Fed. Spec. SS-S-118B Sound Controlling (Acoustical) Tiles and Panels

Fed. Spec. SS-W-40A Wall Base: Rubber and Vinyl Plastic

Fed. Spec. TT-S-00227E Sealing Compound, Elastomeric Type, Multi-Component

Fed. Spec. UU-B-790 Building Paper

TILE COUNCIL OF AMERICA (TCA)

TCA EJ171 Expansion Joints, Vertical & Horizontal

TCA F113 Concrete Subfloor, Interior

TCA F132 Concrete Subfloor, Interior (Chemical Resistant)

TCA W202 Masonry Walls, Exterior & Interior

TCA W211 Masonry or Concrete Walls, InteriorTCA W223 Walls with Solid Backing, Interior

NATIONAL WOODWORK MANUFACTURERS ASSOCIATION (NWMA)

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

FLAT GLASS MARKETING ASSOCIATION (FGMA)

CONSUMER PRODUCT SAFETY COMMISSION (CPSC)


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UNITED STATES GYPSUM (USG)

USG Gypsum Construction Handbook

STEEL STRUCTURES PAINTING COUNCIL (SSPC)

SSPC SP-2 Steel Structures Painting Manual: Hand Tool Cleaning

AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC)

CHEMICAL FABRICS AND FILM ASSOCIATION (CFFA)

CFFA W101A Quality Standards for Vinyl Coated Fabric Wallcoverings

BRITISH STANDARDS (BS)

BS EN 13139:2002 Building sands from natural resources

BS 1369 Metal lathing (steel) for plastering

BS 3148 Methods of test water for making concrete

BS 5442 Classification of Adhesives for Construction, Part 1:Classification of Adhesives for use with Flooring Materials

BS 6150 Code of Practice for Painting of Buildings

BS 8000 Workmanship for Building Sites Part 12: Code of Practicefor Decorative Wallcoverings and Painting

BS 8203 Code of Practice for Installation of Resilient Floor Coverings.

INTERNATIONAL STANDARDS ORGANISATION (ISO)

ISO 9001:2000 Quality Management Systems - Requirements

3 REFERENCE DOCUMENTS

The following reference documents, to the extent specified herein, form a part of this

specification. When an edition date is not indicated for a document, the latest editionin force at the time of contract award shall apply:

DGS 3400 001 Specification for HVAC Design Basis

DGS 2020 001 Specification for Masonry

DGS 2020 002 Specification for Architectural Metals

DGS 2020 005 Specification for Doors and Windows

DGS 2020 007 Specification for Architectural Specialties


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DGS 2020 012 Electrical Fixtures

DGS 1783 002 Specification for Concrete Construction

DGS 1783 005 Specification for paving materials and construction

4 DOCUMENT PRECEDENCE

It shall be the CONTRACTOR’S responsibility to be, or to become, knowledgeable ofthe requirements of the referenced Codes and Standards.

The CONTRACTOR shall notify the COMPANY of any apparent conflict between thisspecification, the related data sheets, the Codes and Standards and any other Design

General Specifications noted herein. Resolution and/or interpretation precedence shallbe obtained from the COMPANY in writing before proceeding with the design /manufacture.

In case of conflict, most stringent criteria shall apply.

Requirements as specified in MANUFACTURER’S instructions shall be followed whereapplicable.

5 SPECIFICATION DEVIATION/CONCESSION CONTROL

Any technical deviations to the Purchase Order and its attachments including, but notlimited to the Design General Specifications shall be sought by the CONTRACTOR

only through CONCESSION REQUEST format. CONCESSION REQUESTS requirethe COMPANY'S review and approval, prior to the proposed technical changes beingimplemented. Technical changes implemented prior to COMPANY approval aresubject to rejection.

6 QUALITY ASSURANCE/QUALITY CONTROL

Quality Management Systems shall comply with the applicable requirements of ISO9001:2000 “Quality Management Systems- Requirements”.

The CONTRACTOR shall ensure that the MANUFACTURER/VENDOR shall have ineffect at all times, a QA programme, which clearly establishes the authority andresponsibilities of those responsible for the quality system. Persons performing qualityfunctions shall have sufficient and well-defined authority to enforce qualityrequirements that they initiate or identify and to recommend and provide solutions forquality problems and thereafter verify the effectiveness of the corrective action.

Quality System and Quality Control requirements shall be identified and included in theCONTRACTOR’s Purchase documentation. Based on these requirements, theMANUFACTURER/VENDOR will develop a QA/QC programme, which shall besubmitted to the CONTRACTOR for review and concurrence. TheMANUFACTURER/VENDOR’s QA/QC programme shall extend to SUBVENDORs.


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COMPANY/CONTRACTOR reserves the right to inspect materials and workmanshipstandards at all stages of manufacture and to witness any or all tests. TheMANUFACTURER/VENDOR, 30 days after award but prior to the pre-inspectionmeeting, shall provide the CONTRACTOR with a copy of its Manufacturing andInspection Plan for review and inclusion of any mandatory COMPANY/CONTRACTORwitness or hold points.

7 DOCUMENTATION

VENDOR shall submit the type and quantity of drawings and documentation forCONTRACTOR’S authorization or information as listed in the individual MaterialRequisitions, Contract Documents and Purchase Orders.

Scheduled submittal of drawings and engineering data shall be part of all formalPurchase Orders.

Comments made by CONTRACTOR on drawing submittal shall not relieve VENDORor SUBVENDORS of any responsibility in meeting the requirements of the DesignGeneral Specifications. Such comments shall not be construed as permission todeviate from requirements of the Contract Documents unless specific and mutualagreement is reached and confirmed in writing.

Each drawing shall be provided with a title block in the bottom right hand cornerincorporating the following information:

• Office trade name of the company.• Vendor drawing number.

• Drawing title giving the description of contents whereby the drawing can beidentified.

• A symbol or letter indicating the latest issue or version.

• PO number and item tag numbers.

Revisions to the drawings shall be identified with symbols adjacent to the alterations, abrief description in tabular form of each revision shall be given, and if applicable, theauthority and date of the revision shall be listed. The term “Latest Revision” shall notbe used.

8 SUBCONTRACTORS/SUBVENDORS

(NOT APPLICABLE)

9 HANDLING

9.1 PACKAGING AND SHIPPING

Preparation for shipment and packing will be subject to inspection and acceptance bythe CONTRACTOR/COMPANY. All costs incurred by any rejection shall be at theexpense of the MANUFACTURER/VENDOR.


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The materials shall be shipped and delivered to the site in the VENDOR’S protectiveshipping containers. Should they need to be removed from their shipping containers,they shall be supported and covered so that they are protected from the elements andfrom adjacent construction activities.

Material shall be packed, securely anchored, and skid mounted when required.

Open ends of tubes and pipe shall be capped for protection. Separate, loose, andspare parts shall be completely boxed. A bill of materials shall be enclosed in eachpackage or container of parts.

Exposed finished and machined surfaces, including bolting, shall be given a coating ofrust inhibiting compound. Internal metal surfaces shall be sprayed or coated with asuitable rust preventative prior to shipment. Openings shall be suitably tagged toindicate the rust preventative applied.

Any finishes which become damaged shall be repaired in accordance with therespective Specification.

9.2 PRESERVATION AND STORAGE

Materials shall be protected to withstand extended period of storage at the jobsite for aminimum period of 18 months. Materials shall be stored indoors and elevated,protected to safeguard against all adverse environments, such as: humidity, moisture,

rain, dust, dirt, sand, mud, salt air, salt spray and sea water.

All materials shall be preserved in accordance with the Project Export Packaging andPreservation Specification.

Items damaged due to improper handling and / or storage shall be replaced orrepaired, at the CONTRACTOR’S option, by the SUBCONTRACTOR and at no cost tothe COMPANY.

10 MATERIALS

The references of materials, manufacturers or suppliers specified in this document areintended to establish a standard of quality or a level of performance and are not

intended to prevent the use of equivalent or superior products.

Other references of materials, manufacturers or suppliers are acceptable after theapproval of the COMPANY for the proposed application.

Colours and finishing tints are generally not specified in this document. Whennecessary, manufacturer’s standard palette shall be provided by CONTRACTOR forthe choice of the COMPANY.


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The CONTRACTOR shall submit an “Affidavit of Compliance” before beginningconstruction. The Affidavit shall confirm that all material meets the requirements of thisspecification.

11 PLASTERING

11.1 GENERAL

11.1.1 Scope of Work

This section covers the furnishing of materials and installation for plaster work,including accessories, on concrete masonry walls.

All work and materials for portland cement plaster shall conform to applicableprovisions of USG “Gypsum Construction Handbook” or acceptable equal. Except asotherwise specified, all plasterwork shall be three coats.

Plastering shall be coordinated with other building, electrical, ventilating, and plumbingwork. In general, the edges of all openings through the plaster shall be protected withmetal grounds or casings made accurately.

11.1.2 Related Work Specified Elsewhere:

• Masonry. See Unit Masonry, Section 13.

• See Painting, Section 17, herein.

11.1.3 Submittals

Complete specifications, data and catalog cuts or drawings covering the itemsfurnished under this section, shall be submitted to the COMPANY for review andapproval.

11.1.4 Delivery and Storage

All materials shall be delivered in the original packages bearing the name of themanufacturer and the brand.

Plaster and other cementitious materials shall be kept dry until ready to be used; they

shall be stored in an enclosed shelter, kept off the ground, and away from sweatingwalls and other damp surfaces. Metal goods shall be protected against rusting.Damaged or deteriorated materials shall be removed from the site of the work.

11.1.5 Manufacturers

Acceptable manufacturers are United States Gypsum Company, UnimastIncorporated, Dale/Incor Industries, and National Gypsum Company. Products byother manufacturers which are of equal quality and performance shall be consideredfor approval upon review of information submitted to the COMPANY.


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11.2 MATERIALS

11.2.1 Materials shall be as follows:

Metal Corner Beads Expansion type fabricated from

0.50 mm (28 gauge) galvanized steel.

Casing beads and other metalaccessories

0.60 mm (26 gauge) galvanized steel perforatedor expanded flanges or clips.

Quicklime ASTM C5, pulverized

Hydrated lime ASTM C206, Type S

Lime Putty Quicklime, thoroughly slaked and stored for 1week, or hydrated lime saturated and stored for24 hours; kept moist until used.

Portland cement ASTM C150, Type I or silica mixed portlandcement.

Sand To BS 1199, graded 3 mm down, washed free ofchlorides and soluble organic matter. Tested toBS 3148.

Water To be clean, potable and free from sulphides,chlorides and soluble organic matter. Tested toBS 3148.

11.3 EXECUTION

11.3.1 Installation of Metal Lath and Accessories

Masonry nails spaced at 300 mm centers shall be used to fasten metal lath, cornerlath, and corner beads to concrete block walls.

Corner lath may be installed in all re-entrant corners. Where ribbed lath is attached tometal supports, corner lath should be securely tied to lath at all internal corners; suchties shall be applied only at edges of corner lath. Also plaster stop bead shall beapplied in case of control or expansion joints.

Corner beads shall be installed at salient corners and shall be plumb and true with

proper arises, extending full length of angles. Beads shall be secured at ends and atintermediate points spaced not more 300 mm apart.

Treatment to joints to prevent cracks between masonry and concrete (such ascolumns, beams/walls) shall be carried out using strip of 150 mm wide galvanizedmetal lath diamond mesh and shall be equally fixed on both sides of the joint.

11.3.2 Installation of Plaster


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Portland cement plaster for all coats shall be mixed in the proportions by volume ofone part cement to three parts sand with not more than 4.5 kg of hydrated lime persack of cement.

Plaster shall be mixed in accordance with the manufacturer’s current printedinstructions, either by machine or by hand in watertight mixing boxes. Mixingequipment shall be kept clean. If mixing is done inside the building, waterproofingprotection shall be provided under mixing equipment and water barrels.

Retempering will not be permitted except additional plaster or cement may be added tocorrect the mix consistency if done within 15 minutes after initial mixing. Material thatis caked, lumpy, or partially set shall not be used.

The thickness of plaster as measured from the back plane of metal lath or from theface of masonry shall be uniform on each surface and shall be not less than 20 mm.Metal grounds shall be used to regulate the thickness.

11.3.3 Preparation

Surfaces shall be carefully inspected by the plasterer before plaster is applied. Plastershall not be applied until the surfaces are satisfactory. Lath, if used, shall be flatagainst the wall with no bulges and shall be uniformly secured.

Metal grounds and other accessories, such as corner beads and metal casings, shallbe carefully examined to see that they are straight, curved, plumb, level, square or true

to the required angles, as necessary in each case, before plaster is applied. Masonrysurfaces shall be checked for excessive suction and, if necessary, dampened beforeplastering.

Prior to commencing plastering, check all that overhead work for all trades is completeand that the work area is free from excessive moisture. Following the installation of alllights fittings and diffusers, check ceiling and make good any damage.

11.3.4 Application

The first (scratch) coat shall be applied with sufficient pressure to force the plaster intothe pores of masonry. Before the surface of the scratch coat hardens, it shall beevenly and thoroughly cross-scratched to provide good mechanical bond for the

second (brown) coat. The thickness of the scratch coat shall be not less than 10 mm.The scratch coat shall set firm and hard before the brown coat is applied.

The brown coat shall be brought out to grounds, straightened to a true surface with rodand darby, and left rough, ready to receive the finish coat. The brown coat shall set dryand hard before finish coat is applied.

Scratch and brown coats for portland cement plaster shall each be moist cured for atleast 48 hours before the subsequent coat is applied.


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Finishes shall be applied so that all surfaces are straight, true, smooth, even, plumb,and flush with grounds. The use of excessive water shall be avoided.

Before portland cement finish coat is applied, the surface shall be uniformlydampened. The portland cement finish coat shall have a thickness of at least 3 mmand shall have a sand float finish free from slick spots, blemishes, and irregularities.

11.3.5 Protection

All plaster shall be protected from premature or uneven drying until thoroughly set.Portland cement plaster shall be moist cured for at least 48 hours.

The CONTRACTOR shall use dropcloths and other protective measures to protect allsurfaces from accidental spraying, spattering, or spilling of plaster. Any damageresulting from his operation shall be repaired. All plaster deposited on surfaces whichare not to be plastered shall be removed as soon as possible to the satisfaction of theCOMPANY.

11.3.6 Patching

Plaster showing oversanding, cracks, blisters, pits, checks, or discoloration will not beacceptable. Such plaster shall be removed and replaced with new plaster. Patchingof defective work will be permitted only when acceptable to the COMPANY, and suchpatching shall match adjacent work in texture and color.

The CONTRACTOR shall point up and patch as necessary around grilles and otheropenings, leaving all work in a neat and finished condition.

11.3.7 Cleanup

At the completion of the finish plastering work, all plaster daubs shall be cleaned frombeads, screens, and metal trim. All rubbish shall be removed from the building andfloors shall be left broom clean. Excess material, scaffolding, tools, and otherequipment shall be removed from the building and the project site.

12 GYPSUM DRYWALL

12.1 GENERAL


This section covers the furnishing of all drywall materials and framing and erection ofgypsum drywall partitions.

All work shall be in accordance with ASTM C754, “Installation of Steel FramingMembers to Receive Screw-Attached Gypsum Wallboard, Backing Board, or Water-Resistant Backing Board,” and ASTM C840, “Application and Finishing of GypsumBoard.”


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Drywall construction shall be coordinated with other building, electrical, heating,ventilating, and plumbing work. In general, all corners and all exposed edges andopenings through wallboard shall be protected with metal casings made accurately tosize and dimension.


• Metals. See Cold-Formed Metal Framing, Section 11.

• See Painting, Section 17 herein.

• See Wall covering, Section 18 herein.

12.1.3 Submittals

Complete specifications data and catalog cuts or drawings covering the itemsfurnished under this section, shall be submitted to the COMPANY for review andapproval.

12.1.4 Delivery and Storage

Materials shall be delivered in original packages bearing the name of the manufacturerand the brand.

Materials shall be stored indoors with gypsum board stacked flat off of floor.Adhesives shall be protected from freezing and metal goods protected from rusting.


Acceptable manufacturers are Domtar Gypsum, National Gypsum Company andUnited States Gypsum Company. Products by other manufacturers which are of equalquality and performance shall be considered for approval upon review of informationsubmitted to the COMPANY.

12.2 MATERIALS

12.2.1 Materials shall be as follows:

Metal Studs ASTM A525; galvanized steel, 0.9 mm (20 gauge), 90

mm deep channel type screw studs, with top andbottom tracks.

Furring Channels ASTM A525; galvanized steel, 20 mm deep, 35 mmface width, screw furring channels with extendednailing flanges.

Corner Beads Type CB; galvanized steel, 30 mm by 30 mmperforated flanges.

Casing Beads Type LS; galvanized steel, with perforated flanges.

Control Joint Zinc or galvanized steel, with 20 mm wide V-shaped


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opening and perforated flanges.

Joint Compound ASTM C475; premixed paste.

Joint Tape ASTM C475; perforated.

Drywall screws ASTM C1002; Type S, self-tapping.

Hangers 4 mm (8 gauge) galvanized wire.

Tie Wire 1.5 mm (16 gauge) galvanized.

Powder-actuatedAnchors

Fed. Spec. GGG-D-777B.

Masonry Nails Hardened steel, screw type, 3.8 mm (9 gauge).

Gypsum Wallboard,

General Purposes

ASTM C36, Type X, fire-rated; 16 mm thick, taperededges.

Gypsum Wallboard,

Moisture Resistant

ASTM C630; 16 mm thick, tapered edges.

Laminating Adhesive As recommended by gypsum wallboard manufacturer.

12.3 EXECUTION

12.3.1 Site Conditions

The temperature in areas to receive wallboard shall be maintained at a minimum of

13°C from 24 hours prior to start of installation until installation is complete and jointingmaterials are thoroughly dry.

Adequate ventilation shall be provided to eliminate excessive moisture during andfollowing joint treatment applications.

12.3.2 Partition Framing

Unless otherwise specified, installation of framing members shall conform to therequirements of ASTM C754. Top and bottom tracks shall be accurately aligned inaccordance with the partition layouts and secured to concrete with powder-actuatedanchors or stub nails at 600 mm centers. Top tracks in contact with steel joists shall be

wire tied or secured with clips. Studs shall be vertical, spaced at not more than 400mm on centers. Sufficient clearance shall be maintained at the top of studs to providefor a possible 13 mm deflection. All studs adjacent to door frames, partitionintersections and corners, and at dissimilar construction shall be secured to tracks withscrews through each stud and track flange. Stud splices, when necessary, shall belapped 200 mm with two screws in each flange. Double studs shall be provided at allopenings.

12.3.3 Furring


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Furring channels shall be vertical, spaced not more than 600 mm on centers, andsecured with powder-actuated anchors or masonry nails drive through alternateflanges into mortar joints or concrete walls at 400 mm centers. Horizontal furringchannels shall be installed at the floor and ceiling line, and as required for propersupport. Furring channels shall be plumbed and aligned by shimming.

Furring channels or screw studs shall be secured to steel columns as indicated or asrequired for UL fire rating.

12.3.4 Gypsum Board Installation

12.3.1.4.1 Unless otherwise specified, installation shall conform to the requirements of ASTMC840.

Wallboard shall be of maximum practical length to reduce the number of end joints.Ends and sides shall be in contact, but not forced into place. Wallboard shall be cutneatly to fit around all outlets, switch boxes, recessed light fixtures, diffusers, andsimilar items.

On walls and partitions, gypsum wallboard shall be installed with long dimensionvertical. All side joints shall be made over framing members. Joints on opposite sidesof partitions shall occur over different studs. End joints, if required, shall be neatlyfitted and staggered. Boards shall be fastened to each framing member with screwsspaced not more than 300 mm apart in the field and edges of boards.

On walls and partitions, moisture resistant wallboard shall be installed with longdimension horizontal. All end joints shall be neatly fitted and staggered, and shall bemade over framing members. Joints on opposite sides of partitions shall occur overdifferent studs. Cut edges and openings shall be sealed as recommended by thewallboard manufacturer. Boards shall be fastened to each framing member withscrews spaced not more than 200 mm apart in the field and ends of boards.

Walls or partitions to be double course shall have second layer of gypsum boardlaminated with adhesive or screwed over base layer. Installation shall be in strictconformance with specified handbook procedures or gypsum board manufacturer’srecommendations.

Screws shall be driven not less than 10 mm, nor more than 15 mm, from ends and

edges of boards. All screw heads shall be dimpled slightly below the surface of theboard, with particular care taken not to break the face paper or otherwise damage thesurface or core of the board.

12.3.5 Accessories

Corner beads shall be installed at all external corners, horizontal and vertical.

Metal trim members shall be installed wherever gypsum board abuts other materials,and on exposed edges of gypsum board.


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Expansion joints shall be installed at a maximum of 10 meters unbroken run.

Control joints shall be provided in walls at any break in a continuous run for doors orwindows. Control joints shall be installed at jambs, from the opening header to theceiling or structure above.

12.3.6 Finishing

Where gypsum wallboard is to be painted or is to receive vinyl fabric wall covering, joints, fastener dimples, and other depressions shall be finished with tape and jointcompound, with joint compound feathered and sanded smooth. Wallboard surfacesshall be left smooth, clean, and ready for painting or the application of the wallcovering.

Where gypsum wallboard is to be covered with ceramic tile, joints shall be finished withtape and joint compound, with joint compound feathered and troweled smooth. Nosanding will be required. Dimples and depressions need not be filled. Specialwaterproofing joint compound as recommended by the manufacturer shall be used inshower and drying areas. Wallboard surfaces and edges of cutouts shall be sealed,and openings around pipes and fixtures shall be caulked flush. Wallboard surfacesshall be left smooth, clean, and ready for the application of ceramic tile.

12.3.7 Cleanup

Floors and other surfaces shall be cleaned of all jointing compound droppings and all

rubbish and debris resulting from the work shall be removed.

13 TILE

13.1 GENERAL


This section covers the furnishing of materials and installation for ceramic mosaic tilefloor coverings, glazed ceramic tile wall coverings, quarry tile floor coverings, acid-resistant ceramic tiles, porcelain stoneware tile floor and wall coverings, and castmarble tile floor and wall coverings.



• See Gypsum Drywall, Section 12 herein.

13.1.3 Submittals

Submit manufacturer’s product information, installation requirements and other data asmay be required to certify compliance with performance requirements.


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Tile samples shall be submitted to the COMPANY after colors have been selected.The samples shall include trims and special shapes.

Ceramic mosaic tile samples shall be at least 150 mm square and shall be suitablymounted and identified. At least two samples representing each pattern selected shallbe submitted.

Glazed wall and quarry tile samples shall be full size and shall be suitably mounted,shall be marked with an identifying color name and the manufacturer’s designation,and shall represent the full color range of the material. At least two samples shall besubmitted in each color selected. Each sample board shall consist of no fewer thanfour individual tiles and shall show grouted joints and selected pattern.

Marble, porcelain stoneware and cast marble tile samples shall be a full size single tile,marked with an identifying color name and the manufacturer’s designation. At leasttwo samples shall be submitted in each color and finish selected.

13.1.4 Handling and Storage

All materials shall be packaged at the factory and shipped to the project site inunbroken grade-sealed containers. Material containers shall be unopened and shall beclearly marked with the manufacturer’s name, brand and color coded grade seal.Materials shall be carefully handled and stored in weatherproof enclosures.

13.2 MATERIALS

13.2.1 Materials shall conform to the following standards and quality levels. Alternateproducts will be considered upon submittal reviews and approval by the COMPANY.

Ceramic Mosaic Tile ANSI A137.1, porcelain, standard grade, cushionedge, back mounted, with trim shapes unglazed.

Glazed Wall Tile ANSI A137.1, standard grade bright or matte glaze,plain face, cushion edge, with trim shapes andspacing lugs.

Quarry Tile ANSI A137.1, standard grade, plain surface,grooved back, factory waxed, with special shapesand trimmers.

Marble ASTM C503, Group A

Porcelain Stoneware Tile Graniti Fiandre, “Pietre Pregiose” and “Graniti.”

Cast Marble Tile Marble aggregate in a resin binder, similar toPermaGrain Products, Inc., “Armstone Classic” orInnovative Marble and Tile, Inc. “Stonit”.

Portland Cement ASTM C150, Type I.

Sand ASTM C144, clean natural sand.


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Hydrated Lime ASTM C207, Type S.

Dry-set Mortar ANSI A118.1, bearing TCA seal.

Organic Adhesive ANSI A136.1, Type I.

WaterproofingMembrane

B.F. Goodrich, “Vinyl Water Barrier,” Rubber and

Plastic Compound Co., “Nervastral 300,” 750 µmthick.

WaterproofingMembrane and Adhesive

One component polyurethane; Allied Polymers,“Tile Tite.”

Water Clean and free from deleterious substances.

Ceramic and Quarry TileJoint Filler

Bostik, “Hydroment Ceramic Tile Grout,” L&M “AcidR,” colored.

Acid Resistant Mortar

and Joint Filler

L&M “Epoxy Mortar and Grout AAR-II,” Bostik “U-poxy/AAR-II,” colored.

Cellular Backup Polyethylene foam or closed cell butyl or neoprenerod, diameter 6 mm greater than nominal jointwidth.

Expansion Joint Primer As recommended by sealant manufacturer.

Sealant Polysulfide rubber, two component, Fed. Spec. TT-S-00227E, Type I, Class A gray.

Quarry Tile Edge Angles Aluminum

Floor Sealer (forunglazed tile)

Hillyard “Seal 341,” Huntington “Terrazzo Seal.”

Floor Tile Cleaner Hillyard “Super Shine-All.”

Waterproof Paper Fed. Spec. UU-B-790, Type I, Grade C, Style 4;Fortifiber-Sisalkraft Products, “Seekure.”

13.2.2 Fabrication

Ceramic mosaic tiles shall be provided in 50 mm by 50 mm size and shall be laid in asquare pattern. Mosaic tile shall be unglazed. Special trim units shall be provided at

discontinuous edges, external and internal corners, bases, and ceramic accessories.

Glazed wall tile shall be provided in nominal 100 mm by 100 mm size and shall be laidin a square pattern. Special trim units shall be provided at discontinuous edges,external and internal corners, and bases.

Quarry tile shall be provided in 150 mm by 150 mm by 13 mm size and shall be laid ina square pattern. Special trim units shall be provided at external and internal corners,bases, tops of stairs, and elsewhere as required.


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Marble stone tile shall be provided in 600 mm by 600 mm, 300 mm by 300 mm andother sizes as indicated on the DRAWINGS. Pattern shall be laid as shown onDRAWINGS. Finishes shall be as indicated in the finish schedule. Edge treatmentsshall be as detailed in the DRAWINGS. Granite for staircase or steps at entrance shallbe used subject to COMPANY's approval.

Porcelain stoneware tile shall be provided in 400 mm by 400 mm, 300 mm by 300 mmand other available sizes as required. Pattern shall be laid as shown on DRAWINGS.Finishes shall be as indicated in the finish schedule. Edge treatments shall be asdetailed on the DRAWINGS.

Cast marble tile shall be provided in 600 mm by 600 mm, 300 mm by 300 mm andother sizes as indicated on the DRAWINGS. Pattern shall be laid as shown onDRAWINGS. Finishes shall be as indicated in the finish schedule. Edge treatmentsshall be as detailed in the DRAWINGS.

Colors and finishes will be selected by the COMPANY from the manufacturer’scomplete line of colors after the award of contract.

13.3 EXECUTION

13.3.1 Surface Preparation

Surfaces to be covered with tile shall be cleaned of all dirt, dust, plaster, oil, grease,wax, paint, or other foreign substances. Surfaces to receive a mortar bed shall be kept

saturated for 24 hours before mortar is placed. If the concrete slab does not absorbwater, or if a chemical curing compound has been used on the slab, the entireconcrete surface shall be scarified with a dust free cleaning system which requires noliquids or chemicals. Surfaces to receive dry-set tile shall be dry and shall not varyfrom a true plane more than 3 mm in 2,400 mm for walls and 3 mm in 3,000 mm forfloors. Surfaces to receive tile set in organic adhesive shall be dry and shall not varyfrom a true plane more than 3 mm in 2,400 mm for walls and 2 mm in 900 mm forfloors.

If concrete block wall surface variations exceed 3 mm in 2,400 mm, the walls shallreceive a leveling coat at least 13 mm thick. The leveling coat shall be mixed in theproportions of 1 part Portland cement, 1/2 part lime, and 5 parts damp sand.

13.3.2 Wall Tile Installation

Wall tile shall be installed by the dry-set method or by the dry-set method on a curedleveling coat at masonry walls and with organic adhesive at drywall locations.

Tile shall be carefully laid out and centered on each wall or section of wall to avoidsmall cuts. Each cut tile shall be no less than one half its original dimension. Cut tileedges shall be rubbed smooth. Joints shall be approximately 2 mm wide andaccurately aligned. All exposed and discontinuous edges shall be laid with bullnosecap or edge units. All external corners shall be laid with bullnose corner units. Allvertical internal corners shall be laid square. All horizontal internal corners shall be laid


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with cove units. Tile shall be installed over the flashing flanges of service sinks andtight to the surfaces of the sink curbs. Finished tile surfaces shall be smooth, even,and free from offsets or irregularities, with straight, uniform joints.

13.3.3 Dry-Set Method for Wall Tile

Materials and workmanship shall be in accordance with ANSI A108.5 and TCA MethodW202.

Dry-set mortar shall be mixed in accordance with the manufacturer’s instructions.Additional mortar, water, or other ingredients shall not be added after the initial mixingperiod. The mortar shall not be used after it has begun to set.

The surfaces to be covered may be dampened, but shall not be saturated. The dry-setmortar bed shall have a thickness of at least 2.5 mm. The mortar shall be floated overan area no larger than can be covered with tile while the mortar remains plastic. Themortar shall be evenly spread and combed with a notched trowel not more than 10minutes before placing tile.

13.3.4 Dry-Set on Leveling Coat


A leveling coat of mortar, 13 mm thick minimum, shall be applied where necessary, to

the masonry wall surfaces to be covered with tile. The leveling coat shall be allowed tocure for a minimum of 20 hours at 20°C or above prior to tile placement. Dry-setmortar shall be mixed in accordance with the manufacturer’s instructions. Theprepared dry-set mortar bond coat, 2.5 mm thick minimum, shall be applied over thecured leveling coat. The surface to be covered may be dampened, but shall not besaturated. The bond coat shall be floated over an area no larger than can be coveredwith tile while the bond coat remains plastic. The bond coat shall be evenly spread andcombed with a notched trowel not more than 10 minutes before placing the tile.

The tile shall be thoroughly embedded in the bond coat while the bond coat is stillplastic. The surfaces of the tile shall be uniform with edges of adjacent tile at the sameplane.

While the bond coat is still plastic, if the COMPANY so requests, the CONTRACTORshall remove one or more tile units to verify embedment. If any tile is found to beimproperly bedded, the COMPANY may require a part or all of the tile to be removedand re-laid.

13.3.5 Organic Adhesive



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Surfaces to be covered shall be clean and dry. Adhesive shall be spread with anotched trowel so that the entire surface is covered with no bare spots. Adhesive thatfilms over before tile is applied shall be removed and replaced with fresh adhesive.

Adhesives shall be applied under conditions and temperatures recommended by theMANUFACTURER, and shall be verified for the possibility of application in hotweather.

13.3.6 Floor Tile

All floor tile shall be laid by the dry-set method with the exception that quarry tile shallbe laid by the dry-set method on a cured mortar bed.

Ceramic tile joints shall be approximately 2 mm wide. Quarry tile joints shall be uniformwidth, 10 mm wide. All joints shall be maintained in accurate alignment. The tile workshall be carefully laid out and centered to avoid small cuts. Each cut tile shall be noless than one half its original dimension. All cuts shall be rubbed smooth and even.

13.3.7 Dry-Set Methods for Floor Tile

Materials and workmanship shall be in accordance with ANSI A108.5 and TCA MethodF113.

Dry-set mortar shall be mixed in accordance with the manufacturer’s instructions.Additional ingredients shall not be added after the initial mixing period. The mortar

shall not be used after it has begun to set.

The surfaces to be covered may be dampened, but not saturated. The dry-set mortarbond coat shall have a thickness of at least 2.4 mm. The mortar shall be floated overan area no larger than can be covered with tile while the mortar remains plastic. Themortar shall be evenly spread and combed with a notched trowel not more than 10minutes before placing tile.

13.3.8 Dry-Set on Mortar Bed

Materials and workmanship shall be in accordance with ANSI A108.6 and TCA MethodF132.

Quarry tile shall be set in acid resistant mortar.

Mortar for the mortar bed shall be mixed in the proportions of one part portland cementand six parts damp sand, by volume. Mortar shall be machine mixed and shall be lowslump. Mortar shall be mixed and placed only as required by the tile setter. Mortarwhich has reached its initial set shall be discarded. No remixing with additional water,cement, or other materials will be permitted.

The mortar bed shall be placed over saturated concrete, tamped, and screeded to athickness of 20 mm minimum. High areas of the concrete slab shall be ground to allow


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for proper mortar thickness. Before setting tile, the mortar bed shall be allowed to curefor a minimum of 20 hours at 20°C or above.

Tile shall be set in a bond coat of acid resistant mortar. The bond coat shall be mixedin accordance with the manufacturer’s instructions and placed only as required by thetile setter. Bond coat which has reached its initial set shall be discarded. No remixingwith additional water will be permitted.

Total thickness of the bond coat between tile and the cured bed shall be approximately2.5 mm.

13.3.9 Liquid Waterproofing

Tile installed in wet areas shall be set in liquid applied waterproofing. Liquid appliedwaterproofing bond coat shall be evenly spread on the floor surface using a notchedtrowel. Application procedures shall be in accordance with the manufacturer’sinstructions. Any material which begins to set before tile placement shall be removedand replaced.

13.3.10 Tile Setting

Ceramic tile and quarry tile shall be set while the bond coat is still plastic. Tile shall bepressed or beaten into the bond coat until there are no voids beneath the tile. Quarrytile shall be placed against a metal straightedge with all grooves in the same direction.

At discontinuous exposed edges, tile shall be set to match the finish surface elevationof adjacent floors.

After the tile is laid, the entire floor shall present a true and even surface varying notmore than plus or minus 3 mm from a 3,000 mm straightedge.

While the mortar is still plastic, if the COMPANY so requests, the CONTRACTOR shalltake up one or more tile units to verify embedment. If any tile is found to be improperlybedded, the COMPANY may require a part or all of the tile to be taken up and re-laid.

13.3.11 Joint Filling

13.3.11.1 When the bond coat or adhesive has hardened sufficiently to lock the tile in place,

joints shall be saturated with water, then filled with joint filler, and finished smooth andflush with the surface of the floor.

Color of joint filler will be selected by the COMPANY from the manufacturer’s standardcolors.

Joint filler shall be spread over the tile surface until joints are f illed.

Placing of joint filler in the joints shall be carefully done to ensure that each joint spaceis completely filled to the bottom and that the filler is pressed into the joint to force itinto firm contact with bedding mortar.


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All surplus material shall be removed before it has hardened.

13.3.12 Expansion Joints

Expansion joints shall be provided at a maximum distance of 5.0 m in each directionand installed in accordance with TCA Method EJ171 and as specified herein.

The expansion joints shall be filled with cellular backup material and sealant in thefollowing manner:

• Edges of expansion joint grooves shall be cleaned by surfacing them with anabrasive disk, then blowing out the residue with a jet of air.

• The bottom part of each groove more than 15 mm deep shall then be filled withcellular backup material to within 13 mm of the top surface of the tile.

• Edges of the grooves (except metal surfaces which shall not be primed) shallthen be primed with expansion joint primer.

• The remaining 13 mm of the joint, or all of joints not more than 15 mm deep,shall then be filled to within 1.5 mm of the top with thiokol sealant.

Sealant shall be mixed and applied in accordance with the manufacturer’srecommendations. All sealant which is not acceptable to the COMPANY shall beremoved and replaced.

13.3.12 Parting Strips

Where the same floor covering does not extend through a doorway, a parting stripshall be set to cover the edge of the floor covering or parting line between floorcoverings. Except as otherwise indicated on the drawings, such parting strips shall liebelow and be centered on the door when it is closed. Parting strips shall be Reese261B or Pemko 196B, bronze, 6 mm by 28 mm; or Reese S249A, aluminum, 13 mmby 65 mm; or acceptable equal.

13.3.13 Cleaning and Protection

Upon completion of the various parts of this work, the CONTRACTOR shall remove allsurplus material and rubbish.

As soon as the joint filler has set sufficiently, but while the surface is still damp, floorsshall be covered with a continuous membrane of waterproof paper to prevent rapiddrying and to protect the surface. All seams in the membrane shall be lapped at least100 mm and tightly sealed. The membrane shall be left in place until all danger ofmarring has passed and the floors are ready for final cleaning, but in no case less than5 days.

Wall surfaces shall be protected from rapid drying and shall be kept moist for at least72 hours after the tile is applied.


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After all work has been completed and just before final inspection, protective coveringsshall be removed and each floor surface shall be inspected and any defects repaired.

Tile surfaces shall be thoroughly cleaned with the specified tile cleaner and rinsedcompletely with clear water. Factory applied wax shall be removed from quarry tilesurface.

Unglazed tile shall be sealed with the specified floor sealer in accordance with theprocedures recommended by the manufacturer.

14 ACOUSTICAL TILE CEILING

14.1 GENERAL


This section covers lay-in acoustical panel ceilings and decorative metal ceilingsystems with concealed grid suspension systems.

The ceiling work shall be coordinated with other building, electrical, space conditioningand plumbing work, as well as partition.


• Electrical. See Lighting, Section 11.

• HVAC Design Basis.

14.1.3 Submittals

Complete specifications, data, and catalog cuts or drawings covering the itemsfurnished under this section, and installation drawings showing suspension anderection details shall be submitted. Submit three samples of acoustic materials toillustrate color and range of appearance, three 300 mm long samples of suspensionsystem member, molding, and hanger.


Deliver materials is original, unopened protective packages, with manufacturer’s labels,

legible and intact, indicating brand name, pattern, size, thickness, fire rating, etc.

The materials shall be stored in a dry and clean area enclosed and protected from theelements.

14.2 MATERIALS

14.2.1 Materials shall conform to the following standards and quality level. Alternate productswill be considered upon submittal review and approval by the COMPANY.


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Acoustical Panels Fed. Spec. SS-S-118B, Type III, Class 25;manufactured by Armstrong, style as indicatedin the Finish Schedule.

• Size, Nominal 600 mm by 1,200 mm or 600 mm by 600 mm

• Finish Mineral fiber, textured and with factory appliedwashable vinyl paint.

Metal Panels 100 mm, 150 mm and 200 mm prefinishedcontinuous parallel beam panels (style shall beVista Parallel Beam System), prefinished micro-perforated metal panels (style shall beInnerFace Concealed Ceiling System) or asindicated in the Finish Schedule. Systems aremanufactured by Chicago Metallic.

• Size As indicated on the Finish Schedule.

• Finish As indicated on the Finish Schedule.

Concealed grid suspensionsystem

(main runner and crosstees, and edge moldings)

ASTM C635-87, intermediate duty classification;manufactured by Armstrong or Chicago Metallic,style as indicated in Finish Schedule.

Hangers 2.6 mm (12 gauge) galvanized steel wire.

Powder-actuated anchors Fed. Spec. GGG-D-777BMasonry Nails Hardened steel, 3.9 mm (9 gauge)

Spare materials equal to 1.5 percent of each type of acoustical tile and suspensionsystem components shall be furnished for use in future maintenance work.

14.3 EXECUTION

14.3.1 Installation

Suspended acoustical ceilings shall be installed in accordance with the best industrypractice and the recommendations of the ceiling system manufacturer. Each area shall

be permanently enclosed before ceiling work is started.

The suspension systems shall be designed to support the ceiling, lighting fixtures,grilles, diffusers, and other required items without sagging. In each area, thesuspension system shall be installed and leveled before acoustical panels or lightfixtures are installed. Each grid system shall be leveled to within 3 mm in 3.5 m. Thelayout for each suspended acoustical ceiling shall be symmetrical about the centerlines of the space with equal borders on opposite sides and shall be square andparallel to the enclosing walls.


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Hanger spacing shall not exceed 1,200 mm, with additional hangers placed at eachcorner of each recessed light fixture and framed opening. Hangers shall be securelyanchored to overhead construction. Expansion anchors or powder-actuated anchors intension will not be permitted.

Main runner tees shall be spaced 1,200 mm apart and supported with hanger wires notmore than 1,200 mm apart. Main runner tees shall be placed with lines parallel to thebordering walls. Locations and methods of splicing shall be as recommended by themanufacturer.

Main cross tees shall be spaced 1,200 mm apart, fitted between main runner tees, andclipped thereto, as recommended by the manufacturer. Each line of main cross teesshall be straightened and aligned, and lines shall be perpendicular to main runner teesand parallel to each other.

Additional members shall be installed as required to frame and support all light fixtures,diffusers, grilles, and similar items.

Edge molding shall be installed at all walls around the entire perimeter of each ceilingarea, and around all columns. Prefabricated corner units shall be installed at allinternal and external corners. Hemmed edges of moldings shall be field-notched witha suitable tool at the exact point where tees fit in, for flush fit.

Acoustical panels shall be neatly cut to fit the spaces, with each panel supported on allsides by main runners, cross runners, or edge moldings. All panel units shall be

installed with any apparent grain running in the same direction.

After erection, dirty or discolored exposed surfaces of the metal suspension systemand ceiling panels shall be cleaned and left free of defects. Items which are damagedor which cannot be properly cleaned shall be removed and replaced.

15 RESILIENT FLOORING

15.1 GENERAL


This Section covers vinyl-composition and vinyl tile floor coverings, rubber stair treads,

cove base and stair base.


• Architectural Specialities. See Access Flooring, Section 12.

15.1.3 Submittals

After colors have been selected, samples of resilient floor covering materials shall besubmitted to the COMPANY for examination. Tile samples shall be full thickness, andeach sample shall be marked on the back with identifying color, shade, pattern,


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thickness, and manufacturer’s name. Samples of rubber stair tread, cove base, stairbase, and reducing strip shall be submitted in 150 mm lengths.


Materials shall be delivered to the job in the original unopened containers clearlymarked with manufacturer’s brand and name. Materials shall be handled carefully and

stored in weatherproof enclosures. Materials shall be stored at not less than 20°C for48 hours before installation.

15.2 MATERIALS

15.2.1 The materials furnished shall conform to the following standards and quality level.Alternate products will be considered upon submittal review and approval by theCOMPANY.

Vinyl composition & Vinyl Tile BS 3261, Part 1; 300 mm by 300 mm by 3 mmthick; manufactured by Armstrong WorldIndustries, Inc.; style as indicated on the FinishSchedule.

Reducing Strip Same material as floor covering formed intotapered strip.

Rubber Stair Treads AFCO “Academy Square Nose,” Musson “500Square Nose.”

Cove Base Fed. Spec. SS-W-40A, Style B; vinyl or rubber, 2mm thick.

Height 100 mm

Color Selected by the COMPANY from themanufacturer’s standard line of colors.

Stair Base Vinyl or rubber, 2 mm thick

Height 250 mm

Color Selected by the COMPANY from themanufacturer’s standard line of colors.

Adhesives As recommended by the floor coveringmanufacturer per BS 5442, Part 1.

Floor Leveling Material Factory prepared, Camp “Latex Liquid Felt,”Flintkote “Tile-Tex Latex Underlayment,”maximum thickness of 3 mm.

Protective Paper Fed. Spec. UU-B-790A, Type I, Grade C, Style 4;laminated paper with nonstaining adhesive,Fortifiber-Sisalkraft Products “Seekure.”


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Colors will be selected from the manufacturer’s standard line of colors after the awardof contract.

Spare material equal to 1.5 percent of tile used in each type/color shall be furnished foruse in future maintenance work.

Where a resilient floor covering joints another type of floor finish at a doorway or otheropening, or where a resilient floor covering joins another finish which has a differentfinish elevation, a parting strip shall be set to cover the parting line between the twofloor finishes. Parting strips shall lie directly below and be centered on the door whenit is closed. Parting strips shall be bronze and shall be Reese 261. Pemko 196B, oracceptable equal, 6 mm by 28 mm, where adjacent surfaces are the same elevation.Where adjacent surfaces are different elevations, suitable bronze strips 38 mm wide,tapered or otherwise formed to fit the elevation difference, shall be selected.

All floors indicated on the DRAWINGS as conductive areas shall be conductive andstatic dissipative vinyl tile. The tile shall be installed with conductive adhesive furnishedby the tile manufacturer and installed in complete accordance with the manufacturer’sinstallation instructions.

15.3 EXECUTION


Installation of floor coverings shall not begin until the subfloor is completely dry and, in

so far, as practicable, the work of all other trades has been completed. Before layingfloor coverings, the floor surface shall be thoroughly cleaned of dirt, dust, plaster, oil,grease, paint, or other foreign substances. Holes, hollow spaces, and otherimperfections in the surfaces to be covered with resilient floor covering shall be filledwith floor leveling material. The leveling material shall cure for 24 hours before thefloor covering is installed.

The floor shall be dry and shall be maintained at a minimum temperature of 20 °C for48 hours before floor covering is laid, during laying, and for 10 days after the work iscomplete.

15.3.2 Installation

Floor coverings shall be installed in compliance with BS 8203.

Floor coverings shall be solidly cemented to the floor with adhesive applied in acontinuous thin film and spread evenly with a notched steel trowel or other suitableapplication tool.

Tile shall be laid with grain running in perpendicular direction between adjacent tiles.

Where floor coverings of different thicknesses abut, a tapered layer of latex levelingcement shall be installed under the thinner floor covering so the top surface of abuttingpieces is at the same elevation.


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Floor coverings shall be installed on stair treads and landings. Nose of rubber stairtreads shall be trimmed to fit.

Except at doorways where metal thresholds are located, reducing strips shall beinstalled at exposed edges of f loor covering where the elevation of the floor covering ishigher than the adjacent floor surfaces.

Bases shall not be installed until the surfaces against which they are to be applied aredry and clean. Bases shall be set in accordance with the manufacturer’s directionsand continuously cemented in place. Joints and angles shall be neat and tight. Eachbase, throughout its entire length, shall have top and bottom edges in firm contact withwalls and floors. Corners shall be prefabricated.

Stair base shall be scribed and cut to contour to fit tightly at each tread and each riser.

15.3.3 Protection and Cleaning

Resilient floor coverings shall be protected from damage until final acceptance. Areasthat are subject to traffic or over which materials or equipment are to be moved shallbe temporarily covered with durable, nonstaining, protective paper.

Just before final inspection, surfaces of resilient floor coverings shall be thoroughlycleaned, waxed, and polished with a heavy polishing machine. Chemicals and waxesused in cleaning and dressing floor surfaces shall be suited to the types of floor

covering installed.

16 CARPETING

16.1 GENERAL


This Section covers tile and sheet carpeting and accessories to be furnished andinstalled. Carpet shall be installed by skilled craftsmen after all other work in the areasto be carpeted is essentially complete.


• See Tile, Section 13 herein.

• See Resilient Flooring, Section 15 herein.


Carpet shall be delivered to the job in the original unopened package, clearly markedwith the manufacturer’s brand and name. Carpet shall be unloaded and handledcarefully by the CONTRACTOR and stored in a weatherproof enclosure.

16.2 MATERIALS


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16.2.1 Carpet tile shall be either all “tops” or all “bottoms” and shall be from the same dye lot.Arrows or other indicators shall be provided on the back side of the carpet tile to aid ininstallation. Tiles shall be installed with the grain running in the same direction for amonolithic appearance. Carpet tile shall be designed for free-lay installation.

16.2.2 Materials shall conform to the following standards and quality levels. Alternateproducts will be considered upon submittal review and approval by the COMPANY.

• Carpet tiles Manufacturing by Mannington CommercialCarpet, “Dupont Lumena Nylon.”

Construction Loop pile.

Face yard 100 percent Antron nylon

Pile heigh 5.6 mm

Yarn weight 850 gm per square meter

Primary backing 100 percent Macro-Tec reinforced composite

Total weight 3,750 gm per square meter

Tile size 450 mm by 450 mm

Dimensional Stability 0.02 percent maximum variance in accordancewith AACHEN method.

Static generation 3.5 kilovolts maximum at 20 percent relative

humidity and 20°C in accordance with AATCC134.

Wear warranty 10 year wear warranty

Anti-static warranty 3.5 kilovolts maximum at 20 percent relative

humidity and 20°C in accordance with AATCC134for the useful life of the carpet tile.

Releasable type adhesive Vinyl or polypropylene compatible, “Blue Glue”as manufactured by 3M or as recommended bythe carpet tile manufacturer.

Reducing Strip As recommended by carpet manufacturer.• Sheet carpet 15.9 mm pile height. 1.42 kg pile yarn weight.

100 percent nylon, trackless with Scotchgard.

• Cushion 6 mm thick bonded polyurethane foam cushion128 kg/m

2 plus or minus 5 percent, CLD at

65 percent equal 42 kg/m2.

• Accessories Seaming cement and carpet and cushionadhesive shall be as recommended by thecarpet and cushion manufacturer.


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16.2.3 An amount equal to 1.5 percent of the carpet tiles and sheet carpet installed shall beprovided as extras. Extra carpet tiles shall be manufactured from the same dye lotand the same cut side as the carpet installed.

16.2.4 Colors shall be selected by the COMPANY from carpet samples submitted. Samplesshall be 400 mm square, shall be marked with an identifying color name and themanufacturer’s designation, and shall represent the full color range of the material.

16.3 EXECUTION

16.3.1 Installation

Installation of the carpet shall not begin until all other work in the areas to be carpetedis essentially complete. Floor surfaces over which the carpet is to be installed shall becleaned of all dirt, dust, plaster, oil, grease, wax, or other foreign substances.

The carpet tiles shall be accurately installed by skilled labor, as specified below, and instrict accordance with the manufacturer’s instructions.

The centers of rooms or spaces shall be determined by establishing chalk lines thatdivide each room or space into quadrants. The resulting quadrants must meet at rightangles. Center chalk lines may be offset to ensure that perimeter carpet tiles will behalf size or larger.

To prevent movement of the carpet tiles during initial stages of installation, releasabletype adhesive shall be applied in strips alongside each center chalk line. Carpet tilesshall be laid accurately and firmly along the center lines. Additional carpet tiles shall befree laid using a “stair-step” procedure. To prevent carpet tiles from shifting in largerspaces, additional adhesive shall be applied in strips on 10 meter centers maximum inboth directions.

Carpet tiles shall be tightly butted together with joints accurately aligned. Care shall betaken when butting carpet tiles to avoid too much pressure, which will cause the carpettiles to buckle.

Perimeter carpet tiles shall be accurately cut and tightly fitted against walls.Releasable type adhesive shall be applied in strips beneath all perimeter carpet tiles.

Where the edge of the carpet tile floor adjoins another flooring, a reducing strip shallbe installed.

Sheet carpet shall be installed by skilled labor in strict accordance with themanufacturer’s instructions.

16.3.2 Cleanup

After the installation of the carpet is complete, all packaging materials, carpet waste,and debris shall be removed, and all carpet surface shall be thoroughly vacuumed. All


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carpet that has been damaged, improperly installed, or soiled beyond cleaning shall beremoved and replaced

17 PAINTING

17.1 GENERAL

17.1.1 Scope Of Work

Under this Section the CONTRACTOR shall provide all labor and materials required tocomplete and shall complete the following items of work. Workmanship shall be inaccordance with BS 8000, Part 12.

Surface preparation, required priming, and finish painting of all exterior surfaces andinterior surfaces specified hereinafter. This work includes painting, transparentfinishes, and epoxy coatings.

Without restricting the extent of the work to be performed, the work shall include, but isnot necessarily limited to, the following:

• Ferrous metals: finish painting of exposed surfaces of ferrous metal work,including galvanized, both exterior and interior, including metal fabrications,metal doors, and frames.

• Masonry: painting of concrete block where called for on the Finish Schedule.

• Wood: finishing of all exposed wood, both exterior and interior.

• Gypsum board: painting of all exposed gypsum board.

• Mechanical and electrical equipment: painting of ducts, piping, conduit,equipment, etc., except for items having acceptable factory finish.

• Floor and pavement striping: all striping required for parking stalls, walks,dragline clearance indication, etc.

The following items will be furnished with one factory applied prime coat as specifiedelsewhere in the Specifications:

• Structural steel.• Metal joists.

• Roof deck.

• Metal fabrications.

• Roof hatch.

• Metal doors and frames.

• Rolling counter fire doors.


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The following items shall not be painted under this section of the specification:

• Pre-engineered steel building structure, roof panels, and siding.

• Pre-finished roofing and siding.

• Structural steel.

• Metal HVAC roof curbs.

• Stainless steel items.

• Pre-finished wood paneling.

• Aluminum items with anodized finishes.

• Toilet partitions, urinal screens, and shower compartments.

• Acoustical materials.

• Overhead door.

• Any other material in these Specifications noted to be pre-finished.



• Door and Windows. See Metal Doors and Frames, Section 11.

• See Plastering, Section 11 herein.

• See Gypsum Drywall, Section 12 herein.

• Specification for Painting.

17.1.3 Submittals

The CONTRACTOR shall submit a complete list of all paints he intends to use to theCOMPANY for approval before construction. List shall indicate the following:

• Manufacturer’s name.

• Brand name of paint.

• Surfaces on which paint is to be applied.

A complete display of color samples for color selection purposes shall be submitted.

Samples of special coating materials to demonstrate the manufacturer’s standardcolors and finishes (high gloss, semi-gloss, and satin) shall be furnished.

The CONTRACTOR shall give the COMPANY a written guarantee covering his workfor a period of one year.


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All painting materials shall be delivered to the site in the manufacturer’s original sealedcontainers with all labels intact and legible. Acceptable project materials and relatedequipment shall be stored at the project site in a suitable location restricted to thesematerials. Practices shall comply with all health and fire regulations.

17.2 MATERIALS

17.2.1 Products

Provide block fillers, primers, finish coat materials, and related materials that arecompatible with one another and the substrates indicated under conditions of serviceand application, as demonstrated by the MANUFACTURER, based on testing andfield experience.

17.2.2 Material Quality

Provide the MANUFACTURER’S best-quality trade sale paint material of the variouscoating types. Basic materials, such as raw and boiled linseed oils, turpentine, driersand zinc oxide, are to be pure and shall be of the highest quality obtainable. Paintmaterial containers not displaying the MANUFACTURER’S product identification willnot be acceptable.

Epoxy floor coating for areas of low traffic and use (e.g. service areas, mechanical

rooms, etc.) shall be a two coat cycloaliphatic amine epoxy system equivalent toCarboline 890.

Epoxy floor coating for areas of high traffic and use (e.g. garages, warehouses, etc.)shall be a two coat epoxy system consisting of a bonding agent primer, equivalent toCarboline Duochem 556 Bonding Agent, and aggregate filled epoxy topping,equivalent to Carboline Duoclad 22.

17.2.3 Colors

Provide as indicated in the Finish Schedule.


Acceptable MANUFACTURERS are Jotun, Sherwin Williams, National, Tnemec,Benjamin Moore, Berger, and Carboline, or other manufacturers which may beproposed by CONTRACTOR to COMPANY during EPC contract for review andapproval.

17.3 EXECUTION

17.3.1 Job Conditions


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Comply with manufacturer’s recommendations as to environmental conditions underwhich paints and coating systems can be applied.

Do not apply in areas where dust is being generated.

Cover or otherwise protect finished work of other trades and surfaces not beingpainted concurrently or not to be painted. The CONTRACTOR shall propose a finishedschedule to COMPANY for approval before construction.

Take all protective measures required to prevent accident and fire, to safeguardequipment and personnel, and to prevent interference with normal painting operations.

Store materials and equipment, mix paints, and clean tools and equipment in areasassigned for this purpose. Maintain these areas in clean and orderly condition takingprecaution to prevent fires. Keep paint at room temperature.

In general, perform painting after other work has been substantially completed. Whenso directed, paint at times and in locations which will best expedite progress andcompletion of the project.


Thoroughly prepare surfaces before painting to ensure smooth finish and proper paintadhesion. Remove dust, dirt, oil, grease, loose coatings, mortar, scale, rust, and otherforeign substances. Where paint remover is used, wash cleaned surfaces with solvent

prior to painting. Use clean cloths and clean fluids to avoid leaving any residue film.Program cleaning and painting so dust or spray from the cleaning process does not fallon wet painted surfaces. Keep surfaces clean, dry, and in suitable condition to receivethe finish. Fill all holes, cracks or voids in masonry walls as required to finish smooth.

Prepare concrete floors for epoxy coatings by acid etching in accordance with ASTMD4260 or abrasive blast in accordance with ASTM D4259. Refer to manufacturer’srecommendations for preferred surface preparation methods.

Prepare shop primed metal surfaces for finishing by wire brushing field welds anddamaged areas of primer down to bare bright metal, in accordance with SSPC-SP-2Hand Tool Cleaning. Touch up with specified primer to form a complete unbrokencoating. Test for compatibility of previous primer and subsequent coats. If there is

evidence of incompatibility, such as lifting of previous primer, consult paintmanufacturer for recommendations. No extra cost will be allowed for correctivemeasures.

CONTRACTOR shall sand wood surfaces before applying finishes, and all nail holes,cracks, etc. shall be puttied after first coat is applied.

All woodwork shall be back-primed with u