Attachment 10 SABER Master Specs FINAL 3Mar20 Vol2.pdf
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- March ARB, CA SABER IDIQ Federal contract opportunity
- Solicitation number
- FA466421R0002
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SABER
M h Ai R B
PROJECT TABLE OF CONTENTS Page 1
PROJECT TABLE OF CONTENTS
DIVISION 01 - GENERAL REQUIREMENTS
01 00 00 Construction General Requirements 01 01 00 Environmental General Requirements (See 01 57 19) 01 04 00 Unit Price Book and Software Requirements 01 31 01 Project Management 01 33 00 Submittal Procedures 01 35 00 Special Provisions For Working on or Near the Airfield
Or Airfield Hangers 01 35 29 Safety and Occupational Health Requirements 01 45 00 Contractor’s Quality Control 01 55 01 Security Requirements (March Air Force Base) 01 57 19 Environmental Protection 01 78 00 Delivery Order Close-out Requirements 01 78 23 Operation and Maintenance Data
DIVISION 02 - EXISTING CONDITIONS
02 41 00 DEMOLITION AND DECONSTRUCTION
02 42 51 CARPET REMOVAL AND RECLAMATION
02 42 91 REMOVAL AND SALVAGE OF HISTORIC BUILDING MATERIALS
02 82 16.00 20 ENGINEERING CONTROL OF ASBESTOS CONTAINING MATERIALS
02 82 33.13 20 REMOVAL/CONTROL AND DISPOSAL OF PAINT WITH LEAD
02 84 16 HANDLING OF LIGHTING BALLASTS AND LAMPS CONTAINING PCBs
AND MERCURY
DIVISION 03 - CONCRETE
03 01 30.72 STRENGTHENING OF CAST-IN-PLACE CONCRETE
03 11 13.00 10 STRUCTURAL CAST-IN-PLACE CONCRETE FORMING
03 15 00.00 10 CONCRETE ACCESSORIES
03 20 00.00 10 CONCRETE REINFORCING
03 30 00.00 10 CAST-IN-PLACE CONCRETE
03 35 00.00 10 CONCRETE FINISHING
03 39 00.00 10 CONCRETE CURING
DIVISION 04 - MASONRY
04 20 00 MASONRY
DIVISION 05 - METALS
05 23.16 STRUCTURAL WELDING
05 12 00 STRUCTURAL STEEL
05 40 00 COLD-FORMED METAL FRAMING
DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES
06 10 00 ROUGH CARPENTRY
06 41 16.00 10 LAMINATE CLAD ARCHITECTURAL CASEWORK
06 61 16 SOLID POLYMER (SOLID SURFACING) FABRICATIONS
FA466421R0002
Attachment 10 Page 1 of 686
March Air Reserve Base Riverside County California
SABER
PROJECT TABLE OF CONTENTS Page 2
DIVISION 07 - THERMAL AND MOISTURE PROTECTION
07 14 00 FLUID-APPLIED WATERPROOFING
07 21 13 BOARD AND BLOCK INSULATION
07 21 16 MINERAL FIBER BLANKET INSULATION
07 22 00 ROOF AND DECK INSULATION
07 60 00 FLASHING AND SHEET METAL
07 61 14.00 STEEL STANDING SEEM ROOFING
07 84 00 FIRESTOPPING
07 92 00 JOINT SEALANTS
DIVISION 08 - OPENINGS
08 11 13 STEEL DOORS AND FRAMES
08 11 16 ALUMINUM DOORS AND FRAMES
08 14 00 WOOD DOORS
08 33 13 METAL ROLLING COUNTER DOORS
08 33 23 OVERHEAD COILING DOORS
08 34 02 BULLET-RESISTANT COMPONENTS
08 34 59 VAULT DOORS AND DAY GATES
08 51 13 ALUMINUM WINDOWS
08 71 00 DOOR HARDWARE
08 81 00 GLAZING
08 91 00 METAL WALL LOUVERS
DIVISION 09 - FINISHES
09 22 00 SUPPORTS FOR PLASTER AND GYPSUM BOARD
09 29 00 GYPSUM BOARD
09 30 13 CERAMIC TILING
09 51 00 ACOUSTICAL CEILINGS
09 62 38 STATIC-CONTROL FLOORING
09 65 00 RESILIENT FLOORING
09 67 23.13 01 RESINOUS FLOORING
09 68 00 CARPETING
09 69 13 RIGID GRID ACCESS FLOORING
09 90 00 PAINTS AND COATINGS
09 97 23.01 CONCRETE & MASONARY COATINGS
09 97 37 DRY-ERASE COATING
DIVISION 10 - SPECIALTIES
10 10 00 VISUAL COMMUNICATIONS SPECIALTIES
10 14 00.20 INTERIOR SIGNAGE
10 14 01 EXTERIOR SIGNAGE
10 21 13 TOILET COMPARTMENTS
10 22 39 FOLDING PANEL PARTITIONS
10 26 13 WALL AND CORNER GUARDS
10 28 13 TOILET ACCESSORIES
10 44 16 FIRE EXTINGUISHERS
10 51 26 SOLID PLASTIC WARDROBE LOCKERS AND BENCH SEAT
10 56 13 STEEL SHELVING
DIVISION 12 - FURNISHINGS
12 24 13 ROLLER WINDOW SHADES
12 48 13 ENTRANCE FLOOR MATS AND FRAMES
12 59 00 SYSTEMS FURNITURE
Attachment 10 Page 2 of 686
SABER
PROJECT TABLE OF CONTENTS Page 3
DIVISION 13 - SPECIAL CONSTRUCTION
13 48 00 SEISMIC PROTECTION FOR MISCELLANEOUS EQUIPMENT
13 48 00.00 10 SEISMIC PROTECTION FOR MECHANICAL EQUIPMENT
DIVISION 21 - FIRE SUPPRESSION
21 13 13.00 10 WET PIPE SPRINKLER SYSTEM, FIRE PROTECTION
DIVISION 22 - PLUMBING
22 00 00 PLUMBING, GENERAL PURPOSE
DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)
23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEMS
23 03 00.00 20 BASIC MECHANICAL MATERIALS AND METHODS
23 05 48.00 40 VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND
EQUIPMENT
23 05 93.00 06 TESTING, ADJUSTING, AND BALANCING OF HVAC
23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS
23 09 23.13 20 BACnet DIRECT DIGITAL CONTROL SYSTEMS FOR HVAC
23 11 25 FACILITY GAS PIPING
23 52 43.00 20 LOW PRESSURE WATER HEATING BOILERS (UNDER 800,000 BTU/HR
OUTPUT)
23 64 00.00 48 LIQUID CHILLERS
23 64 26.00 48 CHILLED, CHILLED-HOT, AND CONDENSER WATER PIPING SYSTEMS
23 82 02.00 48 UNITARY HEATING AND COOLING EQUIPMENT
DIVISION 26 - ELECTRICAL
26 05 48.00 10 SEISMIC PROTECTION FOR ELECTRICAL EQUIPMENT
26 20 00 INTERIOR DISTRIBUTION SYSTEM
26 32 14.00 10 DIESEL-GENERATOR SET, STATIONARY 15-300 KW, STANDBY
APPLICATIONS
26 32 33.00 10 UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEM
26 36 00.00 10 AUTOMATIC TRANSFER SWITCH AND BY-PASS/ISOLATION SWITCH
26 41 00 LIGHTNING PROTECTION SYSTEM
26 51 00 INTERIOR LIGHTING WITH LED
DIVISION 27 - COMMUNICATIONS
27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM
DIVISION 28 - ELECTRONIC SAFETY AND SECURITY
28 31 76 INTERIOR FIRE ALARM AND MASS NOTIFICATION SYSTEM
DIVISION 31 - EARTHWORK
31 23 00.00 20 EXCAVATION AND FILL
DIVISION 32 - EXTERIOR IMPROVEMENTS
32 01 11.51 RUBBER AND PAINT REMOVAL FROM AIRFIELD PAVEMENTS
32 12 16 HOT-MIX ASPHALT (HMA) FOR ROADS
32 16 13 CONCRETE SIDEWALKS, CURBS AND GUTTERS
32 17 24.00 10 PAVEMENT MARKINGS
32 31 13 CHAIN LINK FENCES AND GATES
Attachment 10 Page 3 of 686
SABER
PROJECT TABLE OF CONTENTS Page 4
DIVISION 33 - UTILITIES
33 11 00 WATER DISTRIBUTION
33 11 23 NATURAL GAS AND LIQUID PETROLEUM PIPING
33 30 00 SANITARY SEWERS
33 82 00 TELECOMMUNICATIONS OUTSIDE PLANT (OSP)
***The Contractor shall conform to the provisions of the most current, recent or latest issue of all standards or publications. UFGS standard specifications can be obtained from the Whole Building Design Guide website (http://www.wbdg.org/ffc/DOD/unified-facilities-guide-specifications-ufgs).
-- End of Project Table of Contents --
Attachment 10 Page 4 of 686
PART 1 GENERAL
1.1 REFERENCES
SECTION 10 10 00
VISUAL COMMUNICATIONS SPECIALTIES
02/09
The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.
ASTM INTERNATIONAL (ASTM)
ASTM B221 (2013) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
ASTM F148 (2013) Binder Durability of Cork
Composition Gasket Materials
1.2 SUMMARY
The term visual display board when used herein includes presentation boards, marker boards, tackboards, board cases, display track system and horizontal sliding units; submit manufacturer's descriptive data and catalog cuts plus manufacturer's installation instructions, and cleaning and maintenance instructions. Visual display boards shall be from manufacturer's standard product line. Submit certificate of compliance signed by Contractor attesting that visual display boards conform to the requirements specified.
1.3 SUBMITTALS
Government approval is required for submittals with a "G" designation;
submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00.00 06.00 06 SUBMITTAL PROCEDURES:
SD-03 Product Data
Visual Display Board; G
SD-04 Samples
Aluminum; G Porcelain Enamel; G Materials; G
SD-07 Certificates
Visual Display Board
Attachment 10 Page 5 of 686
1.4 DELIVERY, STORAGE, AND HANDLING
Deliver materials to the building site in the manufacturer's original unopened containers and store them in a clean dry area with temperature maintained above 50 degrees F. Stack materials according to manufacturer's recommendations. Visual display boards shall be allowed to acclimate to the building temperature for 24 hours prior to installation.
1.5 WARRANTY
Provide manufacturer's standard performance guarantees or warranties that extend beyond a one year period.
PART 2 PRODUCTS
2.1 MATERIALS
Submit section of core material showing the lamination of colored cork, natural cork, woven fabric, non-woven fabric, and vinyl wall covering.
Submit sample of hardwood and plastic laminate finish, and glass type.
Samples shall be minimum 4 by 4 inches and show range of color.
2.1.1 Porcelain Enamel
Provide marker board writing surface composed of porcelain enamel fused to a nominal 28 gauge thick steel, laminated to a minimum 1/4 inch thick core material with a steel or foil backing sheet. Writing surface shall be capable of supporting paper by means of magnets. Marker board surface for display track system may be a powder paint dry erase surface adhered to a nominal 18 gauge thick steel. Submit section showing porcelain enamel coating, steel, core material and backing.
2.1.2 Cork
Cork shall be a continuous resilient sheet made from soft, clean, granulated cork relatively free from hardback and dust and bonded with a binder suitable for the purpose intended. The wearing surface shall be free from streaks, spots, cracks or other imperfections that would impair its usefulness or appearance. The material shall be seasoned, and a clean cut made not less than 1/2 inch from the edge shall show no evidence of soft sticky binder.
2.1.2.1 Colored Cork
Provide colored cork composed of pure cork and natural color pigments that are combined under heat and pressure with linseed oil. Colored cork shall be colored throughout and shall be washable. The burlap backing shall be deeply imbedded and keyed to the work sheet being partially concealed in it and meeting the requirements of ASTM F148.
2.1.3 Aluminum
Aluminum frame extrusions shall be alloy 6063-T5 or 6063-T6, conform to ASTM B221, and be a minimum 0.06 inches thick. Exposed aluminum shall have an anodized, satin finish. Straight, single lengths shall be used wherever possible. Joints shall be kept to a minimum. Corners shall be mitered and shall have a hairline closure. Submit sections of frame, map rail, and chalktray, and two map hooks.
Attachment 10 Page 6 of 686
2.2 MARKERBOARD
Markerboard shall have a porcelain enamel writing surface and a chalktray. Markerboard shall be a factory assembled unit complete in one piece, without joints whenever possible. When markerboard dimensions require delivery in separate sections, components shall be prefit at the factory, disassembled for delivery and jointed at the site. Frame shall be as indicated on drawings. Chalktray shall be the same material as the frame and extend the full length of the liquid markerboard. The markerboard shall have a map rail. The map rail with a tackable insert shall extend the full length of the liquid chalkboard, and shall have map hooks with clips for holding sheets of paper. Two map hooks shall be provided for each 4 foot of map rail. Dry erase markings shall be removable with a felt eraser or dry cloth without ghosting. Each unit shall come complete with an eraser and four different color compatible dry erase markers. The size shall be as shown in the drawings.
2.3 TACKBOARDS
2.3.1 Cork
Tackboard shall consist of a minimum 1/4 inch thick colored cork with burlap backing laminated to a minimum 1/4 inch thick hardboard, and shall have an aluminum frame. The size shall be as shown in the drawings.
2.4 COLOR
Finish colors for required items shall be as indicated on drawings.
PART 3 EXECUTION
3.1 INSTALLATION
Perform installation and assembly in accordance with manufacturer's printed instructions. Use concealed fasteners. Visual display boards shall be attached to the walls with suitable devices to anchor each unit.
furnish and install trim items, accessories and miscellaneous items in total, including but not limited to hardware, grounds, clips, backing materials, adhesives, brackets, and anchorages incidental to or necessary for a sound, secure, complete and finished installation. Installation shall not be initiated until completion of room painting and finishing operations. Visual display boards shall be installed in locations and at mounting heights indicated. Visual display boards shall be installed level and plumb, and if applicable doors shall be aligned and hardware shall be adjusted. Damaged units shall be repaired or replaced as directed by the Contracting Officer.
3.2 CLEANING
Writing surfaces shall be cleaned in accordance with manufacturer's instructions.
-- End of Section --
Attachment 10 Page 7 of 686
SECTION 10 14 00.20
INTERIOR SIGNAGE
11/12 extent referenced. The publications are referred to in the text by basic designation only.
AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)
ANSI Z97.1 (2009; Errata 2010) Safety Glazing
Materials Used in Buildings - Safety Performance Specifications and Methods of Test
U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)
36 CFR 1191 Americans with Disabilities Act (ADA)
Accessibility Guidelines for Buildings and Facilities; Architectural Barriers Act (ABA) Accessibility Guidelines
1.2 SUBMITTALS
used, a designation following the "G" designation identifies the office in accordance with Section 01 33 00.00 06 SUBMITTAL PROCEDURES:
SD-02 Shop Drawings
Detail Drawings; G
Installation; G Warranty; G
Interior Signage; G Software; G
SD-10 Operation and Maintenance Data
Approved Manufacturer's Instructions; G Protection and Cleaning; G
1.3 EXTRA MATERIALS
Provide 2 extra frames and extra stock of the following: blank plates of
Attachment 10 Page 8 of 686 each color and size for sign types BB2, changeable message strips for sign type BB2. Provide paper inserts and one copy of the software for user produced signs and inserts after project completion and equipment necessary for removal of signage parts and pieces.
1.4 QUALITY ASSURANCE
1.4.1 Samples
Submit interior signage samples of each of the following sign types showing typical quality, workmanship and color: Directional sign, Standard Room sign, Changeable message strip sign. The samples may be installed in the work, provided each sample is identified and location recorded.
1.4.2 Detail Drawings
Submit detail drawings showing elevations of each type of sign, dimensions, details and methods of mounting or anchoring, mounting height, shape and thickness of materials, and details of construction. Include a schedule showing the location, each sign type, and message.
1.5 DELIVERY, STORAGE, AND HANDLING
Materials shall be packaged to prevent damage and deterioration during shipment, handling, storage and installation. Product shall be delivered to the jobsite in manufacturer's original packaging and stored in a clean, dry area in accordance with manufacturer's instructions.
1.6 WARRANTY
Warrant the interior signage for a period of 2 years against defective workmanship and material. Warranties shall be signed by the authorized representative of the manufacturer. Submit warranty accompanied by the document authenticating the signer as an authorized representative of the guarantor. Guarantee that the signage products and the installation are free from any defects in material and workmanship from the date of delivery.
2.1 STANDARD PRODUCTS
Signs, plaques, directories, and dimensional letters shall be the standard product of a manufacturer regularly engaged in the manufacture of such products that essentially duplicate signs that have been in satisfactory use at least 2 years prior to bid opening. Obtain signage from a single manufacturer with edges and corners of finished letterforms and graphics true and clean.
2.2 ROOM IDENTIFICATION/DIRECTIONAL SIGNAGE SYSTEM
2.2.1 Standard Room Signs
Signs shall consist of acrylic plastic 0.080 inch thickness minimum conforming to ANSI Z97.1 and shall conform to the following:
c. Units shall be frameless. Corners of signs shall be squared.
Attachment 10 Page 9 of 686
2.2.2 Changeable Message Strip Signs
Changeable message strip signs shall be of same construction as standard room signs to include a clear sleeve that will accept a paper or plastic insert identifying changeable text. The insert shall be prepared typewritten message. Provide paper and software for creating text and symbols for computers identified by owner for Owner production of paper inserts after project completion. Furnish one suction device to assist in removing face sheet.
2.2.3 Type of Mounting For Signs
Provide extruded aluminum brackets for hanging, projecting, and double-sided signs. Mounting for framed, hanging, and projecting signs shall be by mechanical fasteners. Surface mounted signs shall be mounted with 1/16 inch thick closed cell vinyl foam with adhesive backing.
Adhesive shall be transparent, long aging, high tech formulation on two sides of the vinyl foam. fabricated from materials that are not corrosive to sign material and mounting surface.
2.2.4 Graphics
Signage graphics for modular signs shall conform to the following:
2.2.4.1 Surface Applied Photopolymer
Integral graphics and Braille achieved by photomechanical stratification processes. Photopolymer used for ADA compliant graphics shall be of the type that has a minimum durometer reading of 90. Tactile graphics shall be raised 1/32 inch from the first surface of plaque by photomechanical stratification process.
2.2.5 Character Proportions and Heights
Letters and numbers on signs conform to 36 CFR 1191.
2.2.6 Tactile Letters, Symbols and Braille
Raised letters and numbers on signs shall conform to 36 CFR 1191.
2.3 BUILDING DIRECTORIES
Building directories shall be lobby directories or floor directories, and shall be provided with a changeable directory listing consisting of the areas, offices and personnel located within the facility. Dimensions, details, and materials of sign and message content shall be as shown on the drawings.
2.3.1 Header Panel
Header panel shall be acrylic with raised acrylic letters.
2.3.2 Fabrication
Extruded aluminum frames and trim shall be assembled with corners welded and mitered to a hairline fit, with no exposed fasteners.
Attachment 10 Page 10 of 686
2.4 FABRICATION AND MANUFACTURE
2.4.1 Factory Workmanship
Holes for bolts and screws shall be drilled or punched. Drilling and punching shall produce clean, true lines and surfaces. Exposed surfaces of work shall have a smooth finish and exposed riveting shall be flush.
Fastenings shall be concealed where practicable.
2.4.2 Dissimilar Materials
Where dissimilar metals are in contact, the surfaces will be protected to prevent galvanic or corrosive action.
2.5 COLOR, FINISH, AND CONTRAST
Color shall be as indicated on drawings. Finish of all signs shall be eggshell, matte, or other non-glare finish as required in handicapped-accessible buildings.
2.6 TYPEFACE
ADA-ABA compliant font for Room Signs Helvetica Medium.
Signs shall be installed plumb and true and in accordance with approved manufacturer's instructions at locations shown on the detail drawings.
Submit six copies of operating instructions outlining the step-by-step procedures required for system operation. The instructions shall include simplified diagrams for the system as installed, the manufacturer's name, model number, service manual, parts list, and brief description of all equipment and their basic operating features. Each set shall be permanently bound and shall have a hard cover. The following identification shall be inscribed on the covers: the words "OPERATING AND MAINTENANCE INSTRUCTIONS", name and location of the facility, name of the Contractor, and contract number. Mounting height and mounting location shall conform to 36 CFR 1191. Required blocking shall be installed.
Signs on doors or other surfaces shall not be installed until finishes on such surfaces have been installed. Signs installed on glass surfaces shall be installed with matching blank back-up plates in accordance with manufacturer's instructions.
3.1.1 Anchorage
Anchorage shall be in accordance with approved manufacturer's instructions. Anchorage not otherwise specified or shown shall include slotted inserts, expansion shields, and powder-driven fasteners when approved for concrete; toggle bolts and through bolts for masonry; machine carriage bolts for steel; lag bolts and screws for wood. Exposed anchor and fastener materials shall be compatible with metal to which applied and shall have matching color and finish.
a. Signs mounted to painted gypsum board surfaces shall be removable for painting maintenance.
b. Mount signs mounted to lay-in ceiling grids with clip connections to
Attachment 10 Page 11 of 686 ceiling tees.
c. Install signs mounted on metal surfaces with magnetic tape.
d. Install signs mounted on fabric surfaces with hook and loop tape or pin mount.
3.1.2 Protection and Cleaning
Protect the work against damage during construction. Hardware and electrical equipment shall be adjusted for proper operation. Glass, frames, and other sign surfaces shall be cleaned at completion of sign installation in accordance with the manufacturer's approved instructions.
Submit six copies of maintenance instructions listing routine procedures, repairs, and guides.
Attachment 10 Page 12 of 686
SECTION 10 14 01
EXTERIOR SIGNAGE
04/06
AMERICAN WELDING SOCIETY (AWS)
AWS C1.1M/C1.1 (2012) Recommended Practices for
Resistance Welding
AWS D1.1/D1.1M (2010; Errata 2011) Structural Welding Code - Steel
ASTM A123/A123M (2013) Standard Specification for Zinc
(Hot-Dip Galvanized) Coatings on Iron and Steel Products
ASTM A653/A653M (2013) Standard Specification for Steel
Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process
ASTM A924/A924M (2013) Standard Specification for General
Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip Process
ASTM B108/B108M (2012; E 2012) Standard Specification for
Aluminum-Alloy Permanent Mold Castings
ASTM B209 (2010) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
ASTM B26/B26M (2012) Standard Specification for
Aluminum-Alloy Sand Castings
1.2 GENERAL REQUIREMENTS
All exterior signage shall be provided by a single manufacturer. Exterior signage shall be of the design, detail, sizes, types, and message content shown on the drawings, shall conform to the requirements specified, and shall be provided at the locations indicated. Submit exterior signage schedule in electronic media with spread sheet format. Spread sheet shall include sign location, sign type, and message. Signs shall be complete
Attachment 10 Page 13 of 686 with lettering, framing as detailed, and related components for a complete installation. Each sample shall consist of a complete sign panel with letters and symbols. Samples may be installed in the work, provided each sample is identified and location recorded. Submit three color samples for each material requiring color and 12 inch square sample of sign face color sample.
1.2.1 Wind Load Requirements
Exterior signage shall be designed to withstand 90 mph windload. Submit design analysis and supporting calculations performed in support of specified signage.
1.2.2 Character Proportions and Heights
Letters and numbers on indicated signs for handicapped-accessible buildings shall have a width-to-height ratio between 3:5 and 1:1 and a stroke-width-to-height ratio between 1:5 and 1:10. Characters and numbers on indicated signs shall be sized according to the viewing distance from which they are to be read. The minimum height is measured using an upper case letter "X". Lower case characters are permitted.
used, a designation following the "G" designation identifies the office
Approved Detail Drawings; G
Installation Exterior Signage; G Wind Load Requirements
Exterior Signage; G
Protection and Cleaning
1.4 QUALIFICATIONS
Signs, plaques, and dimensional letters shall be the standard product of a manufacturer regularly engaged in the manufacture of the products. Items of equipment shall essentially duplicate equipment that has been in satisfactory use at least 2 years prior to bid opening.
1.5 DELIVERY AND STORAGE
Materials shall be wrapped for shipment and storage, delivered to the jobsite in manufacturer's original packaging, and stored in a clean, dry
Attachment 10 Page 14 of 686 area in accordance with manufacturer's instructions.
1.6 WARRANTY
Manufacturer's standard performance guarantees or warranties that extend beyond a one year period shall be provided.
2.1 GRAPHICS FOR EXTERIOR SIGNAGE SYSTEMS
2.1.1 Graphics
Signage graphics shall conform to the following:
Message shall be applied to panel using the silkscreen process.
Silkscreened images shall be executed with photo screens prepared from original art. Handcut screens will not be accepted. Original art shall be defined as artwork that is a first generation pattern of the original specified art. Edges and corners shall be clean. Rounded corners, cut or ragged edges, edge buildup, bleeding or surfaces pinholes will not be accepted.
2.1.2 Messages
See drawings for message content. Typeface: Helvetica medium. Type size as indicated on drawings.
2.2 DIMENSIONAL BUILDING LETTERS
2.2.1 Fabrication
Letters shall be fabricated from cast aluminum. Letters shall be cleaned by chemical etching or cleaned ultrasonically in a special degreasing bath. Letters shall be packaged for protection until installation.
2.2.2 Typeface
Typeface shall be helvetica medium.
2.2.3 Size
Letter size shall be as indicated on drawings.
2.2.4 Finish
Baked enamel or two-component acrylic polyurethane finish shall be provided.
2.2.5 Mounting
Steel U-bracket, cap screws, and expansion bolts of number and size as recommended by manufacturer, shall be used for concealed anchorage.
Letters which project from the building line shall have stud spacer sleeves. Letters, studs, and sleeves shall be of the same material.
Supply templates for mounting.
Attachment 10 Page 15 of 686
2.3 ALUMINUM ALLOY PRODUCTS
Aluminum alloy products shall conform to ASTM B209 for sheet or plate, ASTM B221 for extrusions and ASTM B26/B26M or ASTM B108/B108M for castings. Aluminum extrusions shall be provided at least 1/8 inch thick and aluminum plate or sheet at least 16 gauge thick. Welding for aluminum products shall conform to AWS C1.1M/C1.1.
2.4 ANCHORS AND FASTENERS
Exposed anchor and fastener materials shall be compatible with metal to which applied and shall match in color and finish and shall be non-rusting, non-corroding, and non-staining. Exposed fasteners shall be tamper-proof.
2.5 SHOP FABRICATION AND MANUFACTURE
2.5.1 Factory Workmanship
Work shall be assembled in the shop, as far as practical, ready for installation at the site. Work that cannot be shop assembled shall be given a trial fit in the shop to ensure proper field assembly. Holes for bolts and screws shall be drilled or punched. Drilling and punching shall produce clean, true lines and surfaces. Welding to or on structural steel shall be in accordance with AWS D1.1/D1.1M. Welding shall be continuous along the entire area of contact. Exposed welds shall be ground smooth.
Exposed surfaces of work shall have a smooth finish and exposed riveting shall be flush. Fastenings shall be concealed where practical. Items specified to be galvanized shall be by hot-dip process after fabrication if practical. Galvanization shall be in accordance with ASTM A123/A123M and ASTM A653/A653M, as applicable. Other metallic coatings of steel sheet shall be in accordance with ASTM A924/A924M. Joints exposed to the weather shall be formed to exclude water. Drainage and weep holes shall be included as required to prevent condensation buildup.
2.5.2 Dissimilar Materials
Where dissimilar metals are in contact, or where aluminum is in contact with concrete, mortar, masonry, wet or pressure-treated wood, or absorptive materials subject to wetting, the surfaces shall be protected with a coat of asphalt varnish or a coat of zinc-molybdate primer to prevent galvanic or corrosive action.
2.5.3 Shop Painting
Surfaces of miscellaneous metal work, except nonferrous metal, corrosion resisting steel, and zinc-coated work, shall be given one coat of zinc-molybdate primer or an approved rust-resisting treatment and metallic primer in accordance with manufacturer's standard practice. Surfaces of items to be embedded in concrete shall not be painted. Upon completion of work, damaged surfaces shall be recoated.
2.6 COLOR, FINISH, AND CONTRAST
Color shall be as indicated on the drawings. Color listed is not intended to limit the selection of equal colors from other manufacturers. For buildings required to be handicapped-accessible, the characters and background of signs shall be eggshell, matte, or other non-glare finish.
Characters and symbols shall contrast with their background - either light
Attachment 10 Page 16 of 686 characters on a dark background or dark characters on a light background.
Signs, plaques, or dimensional letters shall be installed in accordance with approved manufacturer's instructions at locations shown on the approved detail drawings; submit drawings showing elevations of each type of sign; dimensions, details, and methods of mounting or anchoring; shape and thickness of materials; and details of construction. A schedule showing the location, each sign type, and message shall be included.
Signs shall be installed plumb and true at mounting heights indicated, and by method shown or specified. Signs mounted on other surfaces shall not be installed until finishes on such surfaces have been completed. Submit manufacturer's installation instructions and cleaning instructions.
3.1.1 Anchorage
Anchorage and fastener materials shall be in accordance with approved manufacturer's instructions for the indicated substrate. Anchorage not otherwise specified or indicated shall include slotted inserts, expansion shields, and powder-driven fasteners when approved for concrete; toggle bolts and through bolts for masonry; machine carriage bolts for steel; lag bolts and screws for wood.
3.1.2 Protection and Cleaning
The work shall be protected against damage during construction. Hardware and electrical equipment shall be adjusted for proper operation. Glass, frames, and other sign surfaces shall be cleaned in accordance with manufacturer's instructions. After signs are completed and inspected, Cover all project identification, directional, and other signs which may mislead the public. Covering shall be maintained until instructed to be removed by the Contracting Officer or until the facility is to be opened for business. Submit six copies of maintenance instructions listing routine maintenance procedures, possible breakdowns and repairs, and troubleshooting guides. The instructions shall include simplified diagrams for the equipment as installed. Signs shall be cleaned, as required, at time of cover removal.
3.2 FIELD PAINTED FINISH
Miscellaneous metals and frames shall be field painted in accordance with Section 09 90 00 PAINTS AND COATINGS. Anodized metals, masonry, and glass shall be protected from paint. Finish shall be free of scratches or other blemishes.
Attachment 10 Page 17 of 686
SECTION 10 21 13
TOILET COMPARTMENTS
01/07
ALUMINUM ASSOCIATION (AA)
AA DAF45 (2003; Reaffirmed 2009) Designation System for Aluminum Finishes
ASTM A123/A123M (2013) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products
ASTM A167 (2011) Standard Specification for
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
ASTM A336/A336M (2010a) Standard Specification for Alloy
Steel Forgings for Pressure and High-Temperature Parts
ASTM A385/A385M (2011) Standard Practice for Providing
High-Quality Zinc Coatings (Hot-Dip)
ASTM B221 (2014) Standard Specification for Aluminum
ASTM B36/B36M (2013) Standard Specification for Brass
Plate, Sheet, Strip, and Rolled Bar
ASTM B86 (2013) Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
ASTM D7611/D7611M (2013; E 2014) Standard Practice for
Coding Plastic Manufactured Articles for Resin Identification
INTERNATIONAL CODE COUNCIL (ICC)
ICC A117.1 (2009) Accessible and Usable Buildings and
Facilities
Attachment 10 Page 18 of 686
U.S. GENERAL SERVICES ADMINISTRATION (GSA)
CID A-A-60003 (Basic) Partitions, Toilet, Complete
36 CFR 1191 Americans with Disabilities Act (ADA)
Accessibility Guidelines for Buildings and Facilities; Architectural Barriers Act (ABA) Accessibility Guidelines used, a designation following the "G" designation identifies the office
Fabrication Drawings Installation Drawings; G
Cleaning and Maintenance Instructions Colors And Finishes Anchoring Devices and Fasteners Hardware and Fittings Brackets Door Hardware Toilet Enclosures Urinal Screens Pilaster Shoes
Colors and Finishes; G Hardware and Fittings Anchoring Devices and Fasteners
Warranty
Plastic Identification; G
1.3 REGULATORY REQUIREMENTS
Conform to ICC A117.1 code for access for the handicapped operation of toilet compartment door and hardware.
Deliver materials in the manufacturer's original unopened packages with the brand, item identification, and project reference clearly marked.
Attachment 10 Page 19 of 686
Store components in a dry location that is adequately ventilated; free from dust, water, other contaminants, and damage during delivery, storage, and construction.
Provide certification or warranties that toilet partitions will be free of defects in materials, fabrication, finish, and installation and will remain so for a period of not less than 3 years after completion.
2.1 SYSTEM REQUIREMENTS
Provide a complete and usable toilet partition system, including toilet enclosures, urinal screens, system of panels, hardware, and support components. Furnish the partition system from a single manufacturer, with a standard product as shown in the most recent catalog data. Submit Fabrication Drawings for metal toilet partitions and urinal screens consisting of fabrication and assembly details to be performed in the factory. Submit manufacturer's Cleaning and Maintenance Instructions with Fabrication Drawings for review.
2.1.1 Plastic Identification
Verify that plastic products to be incorporated into the project are labeled in accordance with ASTM D7611/D7611M. Where products are not labeled, provide product data indicating polymeric information in the Operation and Maintenance Manual.
Type 1 Polyethylene Terephthalate (PET, PETE)
Type 2 High Density Polyethylene (HDPE)
Type 3 Vinyl (Polyvinyl Chloride or PVC)
Type 4 Low Density Polyethylene (LDPE)
Type 5 Polypropylene (PP)
Type 6 Polystyrene (PS)
Type 7 Other. Use of this code indicates that the package in question is made with a resin other than the six listed above, or is made of more than one resin listed above, and used in a multi-layer combination.
2.2 MATERIALS
2.2.1 Anchoring Devices and Fasteners
Provide steel anchoring devices and fasteners hot-dipped galvanized after fabrication, in conformance with ASTM A385/A385M and ASTM A123/A123M.
Conceal all galvanized anchoring devices.
2.2.2 Brackets
Wall brackets shall be two-ear panel brackets, T-style, 1-inch stock.
Provide stirrup style panel-to-pilaster brackets.
SECTION 10 21 13 Page 3
Attachment 10 Page 20 of 686
2.2.3 Hardware and Fittings
2.2.3.1 General Requirements
Hardware for the toilet partition system shall conform to CID A-A-60003 for the specified type and style of partitions. Provide hardware finish highly resistant to alkalis, urine, and other common toilet room acids.
Latching devices and hinges for handicap compartments shall comply with 36 CFR 1191. Provide stainless steel latching devices and hinges. Door latches shall operate without either tight grasping or twisting of the wrist of the operator. Submit three samples of each item, including anchoring devices and fasteners. Approved hardware samples may be installed in the work if properly identified.
Material Conformance Standard
Cold-rolled sheet steel ASTM A336/A336M, commercial quality
Zinc-base alloy ASTM B86, Alloy AC41-A
Brass ASTM B36/B36M, Alloy C26800
Aluminum ASTM B221
Corrosion-resistant steel ASTM A167, Type 304
2.2.3.2 Finishes
a. Corrosion-resistant steel shall have a No. 4 finish.
b. Exposed fasteners shall match the hardware and fittings.
2.2.4 Door Hardware
2.2.4.1 Hinges
Hinges shall be adjustable to hold in-swinging doors open at any angle up to 90 degrees and outswinging doors to 10 degrees. Provide self-lubricating hinges with the indicated swing. Hinges shall be the cutout-insert type with the exposed metal parts on the interior of the stall and shall have gravity return movement.
2.2.4.2 Latch and Pull
Latch and pull shall be a combination rubber-faced door strike and keeper equipped with emergency access.
2.2.4.3 Coat Hooks
Coat hooks shall be combination units with hooks and rubber tipped pins.
Provide one coat hook on inside of each compartment door.
2.3 PARTITION PANELS AND DOORS
Fabricate partition panels, doors, and pilasters from high density polyethylene (HDPE), fabricated from polymer resins compounded under high
SECTION 10 21 13 Page 4
Attachment 10 Page 21 of 686 pressure. Panels, doors, and pilasters shall be 1 inch thick with edges rounded to 1/4 inch radius.
2.3.1 Toilet Enclosures
Toilet enclosures shall conform to CID A-A-60003, Type I, Style C, overhead braced. Furnish width, length, and height of toilet enclosures as shown. Finish surface of panels shall be solid polyethylene, Finish 5;
water resistant; graffiti resistant; non-absorbent; with 1/4 inch radius beveled edges.
2.3.2 Urinal Screens
Urinal screens shall conform to CID A-A-60003, Type III, Style A, floor supported. Provide finish for surface of screens as solid polyethylene, Finish 5; water resistant; graffiti resistant; non-absorbent; with 1/4 inch radius beveled edges. Furnish width and height of urinal screens as shown on drawings. Secure urinal screens with a 42 inch long, continuous flange and to floor using pilaster shoes. Fabricate screens from the same types of panels and pilasters as the toilet partitions. Use corrosion-resistant steel fittings and fasteners.
2.4 OVERHEAD-BRACED PARTITIONS
Provide anchoring device at the bottom of the pilaster consisting of a 3 inch high floor sleeve fabricated from 20 gauge stainless steel and a leveling bolt. Secure the stirrup to the pilaster with not less than a 3/16 inch bolt and nut after the pilaster is leveled. Secure the sleeve to the floor with not less than two lead expansion shields and sheetmetal screws. Fabricate overhead brace from a continuous extruded aluminum tube not less than 1 inch wide by 1-1/2 inch high, 0.125-inch wall thickness.
Finish shall be AA-C22A31 in accordance with AA DAF45. Set and secure brace into the top of each pilaster.
2.5 PILASTER SHOES
Provide shoes at pilasters to conceal floor-mounted anchorage. Pilaster shoes shall be stainless steel. Height shall be 3 inches.
2.6 HARDWARE
Hardware for the toilet partition system shall conform to CID A-A-60003 for the specified type and style of partitions. Hardware shall be pre-drilled by manufacturer. Hardware finish shall be highly resistant to alkalis, urine, and other common toilet room acids. Latching devices and hinges for handicap compartments shall comply with 36 CFR 1191 and shall be stainless steel door latches that operate without either tight grasping or twisting of the wrist of the operator. Screws and bolts shall be stainless steel, tamper proof type. Wall mounting brackets shall be continuous, full height, stainless steel, in accordance with toilet compartment manufacturer's instructions.
2.7 COLORS AND FINISHES
2.7.1 Colors
Provide manufacturer's standard color charts for color of finishes for toilet partition system components. Submit three samples showing a finished edge on two adjacent sides and core construction, each not less
Attachment 10 Page 22 of 686 than 12-inch square
2.7.2 Finish No. 5
Provide solid plastic fabricated of polymer resins (polyethylene) formed under high pressure rendering a single component section not less than one inch thick. Colors shall extend throughout the panel thickness. Provide exposed finish surfaces: smooth, waterproof, non-absorbent, and resistant to staining and marking with pens, pencils, or other writing devices.
Solid plastic partitions shall not show any sign of deterioration when immersed in the following chemicals and maintained at a temperature of 80 degrees F for a minimum of 30 days:
Acetic Acid (80 percent) Hydrochloric Acid (40 percent)
Acetone Hydrogen Peroxide (30 percent)
Ammonia (liquid) Isopropyl Alcohol
Ammonia Phosphate Lactic Acid (25 percent)
Bleach (12 percent) Lime Sulfur
Borax Nicotine
Brine Potassium Bromide
Caustic Soda Soaps
Chlorine Water Sodium Bicarbonate
Citric Acid Trisodium Phosphate
Copper Chloride Urea; Urine
Core Oils Vinegar
3.1 PREPARATION
Take field measurements prior to the preparation of drawing and fabrication to ensure proper fits. Verify that field measurements, surfaces, substrates and conditions are as required, and ready to receive work. Verify correct spacing of plumbing fixtures. Verify correct location of built in framing, anchorage, and bracing. Report in writing to Contracting Officer prevailing conditions that will adversely affect satisfactory execution of the work of this section. Do not proceed with work until unsatisfactory conditions have been corrected.
3.2 INSTALLATION
Install partitions rigid, straight, plumb, and level, with the panels centered between the fixtures. Provide a panel clearance of not more than 1/2 inch and secure the panels to walls and pilasters with not less than two wall brackets attached near the top and bottom of the panel. Locate
Attachment 10 Page 23 of 686 wall brackets so that holes for wall bolts occur in masonry or tile joints. Secure Panels to pilasters with brackets matching the wall brackets. Provide for adjustment due to minor floor variations. Locate head rail joints at pilaster center lines. Install adjacent components for consistency of line and plane. Equip each door with hinges, one door latch, and one coat hook and bumper. Align hardware to uniform clearance at vertical edges of doors.
a. Secure panels to ceramic tile at stud walls with toggle bolts using not less than 1/4-20 screws of the length required for the wall thickness. Toggle bolts shall have a load-carrying strength of not less than 600 pounds per anchor.
b. Submit Installation Drawings for toilet partitions and urinal screens showing plans, elevations, details of construction, hardware, reinforcing and blocking, fittings, mountings and escutcheons.
Indicate on drawings the type of partition, location, mounting height, cutouts, and reinforcement required for toilet-room accessories.
3.3 OVERHEAD-BRACED PARTITIONS
Secure pilasters to the floor with the anchorage device specified. Make all leveling devices readily accessible for leveling, plumbing, and tightening the installation. Secure overhead brace to the pilaster face with not less than two fasteners per face. Expansion shields shall have a minimum 2-inch penetration into the concrete slab. Make tops of doors parallel with the overhead brace when doors are in a closed position.
3.4 FINAL ADJUSTMENT
After completion of the installation, make final adjustments to the pilaster-leveling devices, door hardware, and other working parts of the partition assembly. Doors shall have a uniform vertical edge clearance of approximately 3/16 inch and shall rest open at approximately 30 degrees when unlatched.
3.5 CLEANING
Clean all surfaces of the work, and adjacent surfaces soiled as a result of the work, in an approved manner compliant with the manufacturer's recommended cleaning and protection from damage procedures until accepted. Remove all equipment, tools, surplus materials, and work debris from the site.
Attachment 10 Page 24 of 686
SECTION 10 22 39
FOLDING PANEL PARTITIONS
05/11
ASTM B221 (2014) Standard Specification for Aluminum
ASTM E336 (2014) Measurement of Airborne Sound
Insulation in Buildings
ASTM E413 (2010) Rating Sound Insulation
ASTM E557 (2012) Installation of Operable Partitions
ASTM E84 (2014) Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM E90 (2009) Standard Test Method for Laboratory
Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 101 (2015) Life Safety Code
1.2 SYSTEM DESCRIPTION
a. No less than 30 calendar days prior to the scheduled commencement of installation, submit the following to the Contracting Officer:
Manufacturer's Qualifications Manufacturer's Sample Warranty Statement of Code Compliance Statement of Standards Conformity Verification of Field Measurements Fabrication Drawings Installation Instructions
b. Supply and install manual operation, acoustical folding panel partitions, factory finished, supported from overhead track without floor guides, as shown on the drawings including all hardware, seals, track and rollers as needed to close the specified opening.
c. Submit drawings to demonstrate that the system has been
Attachment 10 Page 25 of 686 coordinated and will properly function as a unit. Show layout of the work; track and jamb fastening methods; seal and installation details;
and equipment relationship to other parts of the work including clearances for maintenance and operation.
1.2.1 Manual Operation
The manual operation shall be a force no greater than 20 lbf to start movement at the rate of 3.33 ft/s (200 ft/min). Use a removable handle to extend and retract the bottom operable seals; vertical movement of seals shall be 2 inches. Closure to the lead wall shall be by use of a flexible bulb; accomplish final closing by means of a lever exerting pressure against the wall.
1.2.2 Performance Requirements
1.2.2.1 Fire Endurance
For partitions more than 60 square feet in area, provide covering and lining with flame spread rating of 25 or less, fuel contribution rating of 15 or less, smoke generation of 50 or less in accordance with NFPA 101 when tested in accordance with ASTM E84. Submit flame and smoke development tests reports. Provide door and partition finishes with a Class A rating when tested in accordance with ASTM E84.
1.2.2.2 Laboratory Acoustical Requirements
Provide partitions tested in accordance with ASTM E90, by a laboratory accredited by the U.S. Bureau of Standards, that have attained a sound transmission class (STC) of not less than 40 in a fully extended position, with a Noise Reduction Coefficient (NRC) of 0.25-0.30 for napped, tufted or looped fabric . Partition tested shall be of the same construction, materials, and model number as the partition to be provided and be fully operable. Test specimen shall be not less than 126 square feet in area.
Panel weight shall be a minimum of 5.5 psf for STC up to 40, 7.5 psf for STC up to 45, and 8.5 psf for STC up to 50, 10.0 psf for STC up to 53.
Design panel thickness ( 4 inch nominal) and composition to provide the required STC rating in accordance with ASTM E90 and ASTM E413.
used, a designation following the "G" designation identifies the office
SD-01 Preconstruction Submittals
Manufacturer's Qualifications; G Manufacturer's Sample Warranty Statement of Code Compliance; G Statement of Standards Conformity; G Verification of Field Measurements; G
Installation; G Layouts; G
Attachment 10 Page 26 of 686
Fabrication Drawings; G
Folding Panel Partitions; G Installation Instructions; G
SD-06 Test Reports
Acoustical Test; G Flame and Smoke Development Tests; G
SD-07 Certificates
Materials; G
Folding Panel Partitions
Deliver materials to the jobsite in the manufacturer's original, unopened, and undamaged packages with labels legible and intact. Provide labels to indicate the manufacturer, brand name, size, finish, and placement location. Store partitions and accessories in unopened packages in a manner that will prevent damage. Handle partition materials in accordance with manufacturer's instructions. Protect materials from the weather, humidity and temperature variations, dirt and dust, or other contaminants.
Provide Manufacturer's standard performance guarantees or warranties that extend beyond a 1 year period. In addition, provide guarantee of the pantographs, trolleys and tracks for 10 years from date of acceptance for beneficial use.
Provide material and equipment which are the standard products of a manufacturer regularly engaged in the manufacture of such products and essentially duplicate items that have been in satisfactory use for at least 2 year prior to bid opening. Submit Certificate attesting that the materials meet the requirements specified. Equipment shall be supported by a service organization that is, in the opinion of the Contracting Officer, reasonably convenient to the site. Provide heavy-duty type hardware standard with the manufacturer. Provide pulls and latches for all partitions. Provide partitions with privacy latches. Provide satin chrome plated finish hardware.
Attachment 10 Page 27 of 686
2.2 FOLDING PANEL PARTITIONS
Provide folding panel partitions using top hung ball bearing carriers which support modular panels.
a. Provide partitions made up of a series of rigid panels, each panel being a one-piece assembly. Unless otherwise specified, use the least number of panels. The mechanical seal of the panel shall actuate with a single operating action.
b. Provide panels continuously hinged type as indicated.
2.2.1 Panels
Provide panels of steel skin, laminated to appropriate structural acoustical backing, mounted in full perimeter protective frame. Steel for the panel frames shall be a minimum of 16 gauge thick steel with minimum 22 gauge thick face panels spot welded to the frame. Frame shall enclose and protect all edges of the surface material. Panels shall be not more than 4 feet wide, except for end closure panels, and be full height to track. Panels shall lock in place to form a stable, rigid partition; low profile hinges may not project more than 1/4 inch maximum from panel edge. Panel surfacing shall wrap around the vertical panel edges without vertical trim.
2.2.2 Finish Covering
Finish material shall be minimum 54 inches wide, type II wall covering with osnaburg, or scrim, backing.
2.2.3 Track
Provide recess extruded aluminum track as shown on drawings.Aluminum shall conform to ASTM B221. Provide track that is the manufacturer's standard product designed for the weight of the finished partition, including door. Provide track sections in the maximum lengths practicable, and not less than 6 feet long except for narrow doors and at ends of runs where short length is required.
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