Technical Exhibit N-Div 13 SPECIAL CONSTRUCTION 23 May 2023.pdf

MOTCO Job Order Contract (SATOC) 2487

SECTION TABLE OF CONTENTS

DIVISION 13 - SPECIAL CONSTRUCTION

SECTION 13 34 19

METAL BUILDING SYSTEMS

PART 1 GENERAL

1.1 REFERENCES

1.2 GENERAL REQUIREMENTS

1.2.1 Design Parameters

1.2.2 Structural Performance

1.2.2.1 Engineering

1.2.2.2 Design Loads

1.2.3 Anti-terrorism Requirements

1.2.4 Thermal Performance

1.2.4.1 Metal Roof Panel Assemblies

1.2.4.2 Metal Wall Panel Assemblies

1.2.5 Air Infiltration for Metal Roof Panels

1.2.6 Air Infiltration for Metal Wall Panels

1.2.7 Water Penetration for Metal Roof Panels

1.2.8 Water Penetration for Metal Wall Panels

1.2.9 Specular Gloss

1.2.10 Wind-Uplift Resistance

1.2.11 Erection Plan

1.3 DEFINITIONS

1.4 SYSTEM DESCRIPTION

1.4.1 Primary Frame Types as indicated in drawings, which may include:

1.4.2 Expandable End-Wall Framing

1.4.3 Secondary Frame Type

1.4.4 Eave Height

1.4.5 Bay Spacing

1.4.6 Roof Slope

1.4.7 Roof System

1.4.8 Exterior Wall System

1.5 SUBMITTALS

1.6 QUALITY ASSURANCE

1.6.1 Pre-Erection Conference

1.6.1.1 Pre-Roofing and Siding Installation Conference

1.6.2 Manufacturer's Technical Representative

1.6.3 Manufacturer's Qualifications

1.6.4 Qualification of Erection Contractor

1.6.5 Single Source

1.6.6 Welding

1.6.7 Structural Steel

1.6.8 Cold-Formed Steel

1.6.9 Fire-Resistance Ratings

1.6.10 Surface-Burning Characteristics

1.6.11 Fabrication

1.6.12 Finishes

1.7 SHIPPING, HANDLING AND STORAGE

SECTION 13 34 19 Page 1

1.7.1 Delivery

1.7.2 Storage

1.7.3 Protection of Materials

1.8 PROJECT CONDITIONS

1.8.1 Weather Limitations

1.8.2 Field Measurements

1.8.2.1 Established Dimensions for Foundations

1.8.2.2 Established Dimensions for Metal Panels

1.8.2.3 Verification Record

1.9 COORDINATION

1.10 WARRANTY

1.10.1 Building System Warranty

1.10.2 Roof System Weather-Tightness Warranty

1.10.3 Roof and Wall Panel Finish Warranty

PART 2 PRODUCTS

2.1 STRUCTURAL FRAMING MATERIALS

2.1.1 Steel Shapes and Plates

2.1.2 Steel Pipe

2.1.3 Cold-Formed and Hot Formed Hollow Structural Sections

2.1.4 Structural-Steel Sheet

2.1.5 Metallic-Coated Steel Sheet

2.1.6 Metallic-Coated Steel Sheet Pre-painted with Coil Stock Coating

2.1.7 Joist Girders

2.1.8 Steel Joists

2.1.9 High-Strength Bolts, Nuts, and Washers

2.1.10 Non-High-Strength Bolts, Nuts, and Washers

2.1.11 Anchor Rods

2.1.12 Threaded Rods

2.1.13 Primer

2.2 FABRICATION

2.2.1 General

2.3 STRUCTURAL FRAMING

2.3.1 General

2.3.2 Primary Framing

2.3.3 Secondary Framing

2.3.4 Bracing

2.4 PANEL MATERIALS

2.4.1 Aluminum Sheet

2.4.2 Steel Sheet

2.4.3 Foam-Insulation Core Wall Panel

2.4.4 Insulated Panel Construction

2.4.5 Finish

2.4.6 Repair Of Finish Protection

2.5 MISCELLANEOUS METAL FRAMING

2.5.1 General

2.5.2 Fasteners for Miscellaneous Metal Framing

2.6 FASTENERS

2.6.1 General

2.6.2 Exposed Fasteners

2.6.3 Screws

2.6.4 Rivets

2.6.5 Attachment Clips

2.7 FRAMES AND MATERIALS FOR OPENINGS

2.7.1 Doors

2.7.2 Windows

2.8 ACCESSORIES

2.8.1 General

SECTION 13 34 19 Page 2

2.8.2 Roof and Wall Accessories and Specialties

2.8.3 Insulation

2.8.3.1 Polyethylene Vapor Retarder

2.8.3.2 Wall Liner

2.8.4 Rubber Closure Strips

2.8.5 Metal Closure Strips

2.8.6 2.6.6 Joint Sealants

2.8.6.1 Sealants

2.8.6.2 Shop-Applied

2.8.6.3 Field-Applied

2.8.6.4 Tape Sealant

2.9 SHEET METAL FLASHING AND TRIM

2.9.1 Fabrication

2.10 FINISHES

2.10.1 General

2.10.2 Appearance of Finished Work

PART 3 EXECUTION

3.1 EXAMINATION

3.2 PREPARATION

3.3 ERECTION OF STRUCTURAL FRAMING

3.4 METAL WALL PANEL INSTALLATION

3.5 ROOF PANEL INSTALLATION

3.6 METAL PANEL FASTENER INSTALLATION

3.7 FLASHING, TRIM AND CLOSURE INSTALLATION

3.8 DOOR AND FRAME INSTALLATION

3.9 WINDOW INSTALLATION

3.10 ACCESSORY INSTALLATION

3.10.1 General

3.10.2 Dissimilar Metals

3.10.3 Gutters and Downspouts

3.10.4 Insulation

3.10.5 Roof and Wall Accessories and Specialties

3.11 CLEAN-UP AND PROTECTION

3.11.1 Structural Framing

3.11.2 Metal Panels

3.11.3 Touch-Up Painting

3.12 WASTE MANAGEMENT

3.13 SPECIAL INSPECTION AND TESTING FOR SEISMIC-RESISTING SYSTEMS

3.14 WARRANTY

3.14.1 Manufacturer's Warranty

3.14.2 Contractor's Warranty For Installation

3.14.3 Contractor's Five Year No Penal Sum Warranty

-- End of Section Table of Contents --

SECTION 13 34 19 Page 3

SECTION 13 34 19

METAL BUILDING SYSTEMS

PART 1 GENERAL

1.1 REFERENCES

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.

ALUMINUM ASSOCIATION (AA)

AA ADM (2020) Aluminum Design Manual

AA ASD1 (2017; Errata 2017) Aluminum Standards and Data

AMERICAN ARCHITECTURAL MANUFACTURERS ASSOCIATION (AAMA)

AAMA/WDMA/CSA 101/I.S.2/A440 (2017) North American Fenestration Standard/Specification for Windows, Doors, and Skylights

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 325 (2017) Steel Construction Manual

AISC 341 (2016) Seismic Provisions for Structural Steel Buildings

AISC 360 (2016) Specification for Structural Steel Buildings

AMERICAN IRON AND STEEL INSTITUTE (AISI)

AISC/AISI 121 (2007) Standard Definitions for Use in the Design of Steel Structures

AISI D100 (2017) Cold-Formed Steel Design Manual

AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)

ASCE 7-16 (2017; Errata 2018; Supp 1 2018) Minimum Design Loads and Associated Criteria for Buildings and Other Structures

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING

ENGINEERS (ASHRAE)

ASHRAE 90.1 - IP (2019; Errata 1 2019; Errata 2-5 2020;

Addenda BY-CP 2020; Addenda AF-DB 2020;

Addenda A-G 2020; Addenda F-Y 2021;

Errata 6-8 2021; Interpretation 1-4 2020;

Interpretation 5-8 2021 Addenda AS-AQ

SECTION 13 34 19 Page 4

2022) Energy Standard for Buildings Except Low-Rise Residential Buildings

ASHRAE 90.1 - SI (2019; Errata 1-4 2020; Addenda BY-CP 2020; Addenda AF-DB 2020; Addenda A-G 2020; Addenda F-Y 2021; Errata 5-7 2021;

Interpretation 1-4 2020; Interpretation 5-8 2021; Addenda AU-CM 2022) Energy Standard for Buildings Except Low-Rise Residential Buildings

AMERICAN WELDING SOCIETY (AWS)

AWS A5.1/A5.1M (2012) Specification for Carbon Steel Electrodes for Shielded Metal Arc Welding

AWS D1.1/D1.1M (2020; Errata 1 2021) Structural Welding Code - Steel

AWS D1.3/D1.3M (2018) Structural Welding Code - Sheet Steel

ASTM INTERNATIONAL (ASTM)

ASTM A36/A36M (2019) Standard Specification for Carbon Structural Steel

ASTM A53/A53M (2022) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A123/A123M (2017) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

ASTM A153/A153M (2016a) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

ASTM A193/A193M (2020) Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service and Other Special Purpose Applications

ASTM A307 (2021) Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength

ASTM A463/A463M (2015; R 2020; E 2020) Standard Specification for Steel Sheet, Aluminum-Coated, by the Hot-Dip Process

ASTM A475 (2022) Standard Specification for Metallic-Coated Steel Wire Strand

ASTM A500/A500M (2021a) Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes

SECTION 13 34 19 Page 5

ASTM A501/A501M (2021) Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing

ASTM A529/A529M (2019) Standard Specification for High-Strength Carbon-Manganese Steel of Structural Quality

ASTM A563 (2015) Standard Specification for Carbon and Alloy Steel Nuts

ASTM A563M (2007; R 2013) Standard Specification for Carbon and Alloy Steel Nuts (Metric)

ASTM A572/A572M (2021; E 2021) Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

ASTM A606/A606M (2018) Standard Specification for Steel Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance

ASTM A653/A653M (2020) Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

ASTM A755/A755M (2018) Standard Specification for Steel Sheet, Metallic Coated by the Hot-Dip Process and Prepainted by the Coil-Coating Process for Exterior Exposed Building Products

ASTM A780/A780M (2020) Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings

ASTM A792/A792M (2021a) Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process

ASTM A992/A992M (2020) Standard Specification for Structural Steel Shapes

ASTM A1008/A1008M (2021a) Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardenable

ASTM A1011/A1011M (2018a) Standard Specification for Steel Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength

ASTM B117 (2019) Standard Practice for Operating

SECTION 13 34 19 Page 6

Salt Spray (Fog) Apparatus

ASTM B209 (2014) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

ASTM B221 (2021) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ASTM B221M (2021) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

ASTM B695 (2021) Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel

ASTM C273/C273M (2020) Standard Test Method for Shear Properties of Sandwich Core Materials

ASTM C518 (2021) Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus

ASTM C553 (2013; R 2019) Standard Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications

ASTM C612 (2014; R 2019) Standard Specification for Mineral Fiber Block and Board Thermal Insulation

ASTM C665 (2017) Standard Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing

ASTM C920 (2018) Standard Specification for Elastomeric Joint Sealants

ASTM C991 (2016) Flexible Glass Fiber Insulation for Metal Buildings

ASTM C1289 (2022) Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board

ASTM C1363 (2019) Standard Test Method for Thermal Performance of Building Materials and Envelope Assemblies by Means of a Hot Box Apparatus

ASTM D522/D522M (2017) Mandrel Bend Test of Attached Organic Coatings

ASTM D523 (2014; R 2018) Standard Test Method for Specular Gloss

SECTION 13 34 19 Page 7

ASTM D714 (2002; R 2017) Standard Test Method for Evaluating Degree of Blistering of Paints

ASTM D822 (2013; R 2018) Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings

ASTM D968 (2017) Standard Test Methods for Abrasion Resistance of Organic Coatings by Falling Abrasive

ASTM D1056 (2020) Standard Specification for Flexible Cellular Materials - Sponge or Expanded Rubber

ASTM D1308 (2002; R 2013) Effect of Household Chemicals on Clear and Pigmented Organic Finishes

ASTM D1621 (2016) Standard Test Method for Compressive Properties of Rigid Cellular Plastics

ASTM D1622/D1622M (2014) Apparent Density of Rigid Cellular Plastics

ASTM D1667 (2017) Standard Specification for Flexible Cellular Materials - Poly (Vinyl Chloride) Foam (Closed-Cell)

ASTM D2244 (2016) Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

ASTM D2247 (2015) Testing Water Resistance of Coatings in 100% Relative Humidity

ASTM D2794 (1993; R 2019) Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)

ASTM D3363 (2005; E 2011; R 2011; E 2012) Film Hardness by Pencil Test

ASTM D4214 (2007; R 2015) Standard Test Method for Evaluating the Degree of Chalking of Exterior Paint Films

ASTM D5359 (2015) Standard Specification for Glass Cullet Recovered from Waste for Use in Manufacture of Glass Fiber

ASTM D6226 (2015) Standard Test Method for Open Cell Content of Rigid Cellular Plastics

ASTM DEFONLINE (2008) ASTM Online Dictionary of Engineering Science and Technology

SECTION 13 34 19 Page 8

ASTM E84 (2020) Standard Test Method for Surface Burning Characteristics of Building Materials

ASTM E96/E96M (2022) Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials

ASTM E119 (2020) Standard Test Methods for Fire Tests of Building Construction and Materials

ASTM E136 (2019a) Standard Test Method for Assessing Combustibility of Materials Using a Vertical Tube Furnace at 750 Degrees C

ASTM E283 (2019) Standard Test Method for Determining the Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen

ASTM E331 (2000; R 2016) Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference

ASTM E1592 (2017) Standard Test Method for Structural Performance of Sheet Metal Roof and Siding Systems by Uniform Static Air Pressure Difference

ASTM E1646 (1995; R 2018) Standard Test Method for Water Penetration of Exterior Metal Roof Panel Systems by Uniform Air Pressure Difference

ASTM E1680 (2016) Standard Test Method for Rate of Air Leakage Through Exterior Metal Roof Panel Systems

ASTM F436/F436M (2019) Standard Specification for Hardened Steel Washers Inch and Metric Dimensions

ASTM F844 (2019) Standard Specification for Washers, Steel, Plain (Flat), Unhardened for General Use

ASTM F1554 (2020) Standard Specification for Anchor Bolts, Steel, 36, 55, and 105-ksi Yield Strength

ASTM F1852 (2014) Standard Specification for "Twist Off" Type Tension Control Structural Bolt/Nut/Washer Assemblies, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength

ASTM F3125/F3125M (2019) Standard Specification for High

SECTION 13 34 19 Page 9

Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 MPa and 1040 MPa Minimum Tensile Strength

ASTM G152 (2013; R 2021) Standard Practice for Operating Open Flame Carbon Arc Light Apparatus for Exposure of Nonmetallic Materials

ASTM G153 (2013; R 2021) Standard Practice for Operating Enclosed Carbon Arc Light Apparatus for Exposure of Nonmetallic Materials

METAL BUILDING MANUFACTURERS ASSOCIATION (MBMA)

MBMA MBSM (2018) Metal Building Systems Manual

NATIONAL ASSOCIATION OF ARCHITECTURAL METAL MANUFACTURERS (NAAMM)

NAAMM AMP 500 (2006) Metal Finishes Manual

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 80 (2022) Standard for Fire Doors and Other Opening Protectives

NFPA 252 (2022) Standard Methods of Fire Tests of Door Assemblies

NATIONAL ROOFING CONTRACTORS ASSOCIATION (NRCA)

NRCA RoofMan (2020) The NRCA Roofing Manual

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

SMACNA 1793 (2012) Architectural Sheet Metal Manual, 7th Edition

SOCIETY FOR PROTECTIVE COATINGS (SSPC)

SSPC Paint 15 (1999; E 2004) Steel Joist Shop Primer/Metal Building Primer

SSPC Painting Manual (2002) Good Painting Practice, Steel Structures Painting Manual, Volume 1

SSPC SP 2 (2018) Hand Tool Cleaning

STEEL WINDOW INSTITUTE (SWI)

SWI AGSW (2002) Architect's Guide to Steel Windows

SECTION 13 34 19 Page 10

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 385-1-1 (2014) Safety -- Safety and Health Requirements Manual

U.S. DEPARTMENT OF DEFENSE (DOD)

UFC 3-301-01 (2019, with Change 1, 2022) Structural Engineering

UFC 3-301-02 (2020) Design of Risk Category V Structures, National Strategic Military Assets

UFC 4-010-01 (2018; with Change 1, 2020; Change 2, 2022) DoD Minimum Antiterrorism Standards for Buildings

UNDERWRITERS LABORATORIES (UL)

UL Bld Mat Dir (updated continuously online) Building Materials Directory

1.2 GENERAL REQUIREMENTS

1.2.1 Design Parameters

Design and construct pre-engineered metal buildings of size, shape, height, fenestration, siting, and configuration indicated. Coordinate site utility services, accessibility requirements, vehicular and pedestrian access, mechanical, electrical, plumbing and fire protection requirements, interior construction and finishes, and such other items as may be necessary for a complete, functional building.

1.2.2 Structural Performance

Provide metal building systems capable of withstanding the effects of gravity loads and the following loads and stresses within the limits and conditions indicated.

1.2.2.1 Engineering

Design metal building systems conforming to procedures described in

MBMA MBSM.

1.2.2.2 Design Loads

Design and construct to the requirements of UFC 3-301-01 , Structural Engineering.

1.2.3 Anti-terrorism Requirements

Design metal building systems to comply with the requirements of

UFC 4-010-01 .

1.2.4 Thermal Performance

Provide insulated metal panel assemblies with the following maximum U-factors when assemblies are tested or calculated according to ASHRAE 90.1 - SI ASHRAE 90.1 - IP Appendix A, and minimum R-values for

SECTION 13 34 19 Page 11 opaque elements when tested according to ASTM C1363 or ASTM C518.

1.2.4.1 Metal Roof Panel Assemblies

a. U-Factor: [_____]

b. R-Value: [_____]

1.2.4.2 Metal Wall Panel Assemblies

a. U-Factor: [_____]

b. R-Value: [_____]

1.2.5 Air Infiltration for Metal Roof Panels

Air leakage through assembly must not exceed [0.04 cfm/sq.ft.] [_____] of roof area when lab tested according to ASTM E1680 at negative test-pressure difference of [1.57 lb/sq.ft.] [_____].

1.2.6 Air Infiltration for Metal Wall Panels

Air leakage through assembly of not more than [0.04 cfm/sq.ft.] [_____] of wall area when labtested according to ASTM E283 at static-air-pressure difference of [1.57 lbf/sq.ft.] [_____].

1.2.7 Water Penetration for Metal Roof Panels

No water penetration when tested according to ASTM E1646 at test-pressure difference of [2.86 lbf/sq.ft.] [_____].

1.2.8 Water Penetration for Metal Wall Panels

No water penetration when tested according to ASTM E331 at a minimum differential pressure of [20] [_____] percent of inward-acting, wind-load design pressure of not less than [6.24 lbf/sq.ft.] [_____] and not more than 12 lbf/sq. ft.

1.2.9 Specular Gloss

Finished roof surfaces to have a specular gloss value of [30 plus or minus 5 at an angle of 60 degrees] [10 or less at an angle of 85 degrees] when measured in accordance with ASTM D523.

1.2.10 Wind-Uplift Resistance

Design for wind-uplift resistance in accordance with UFC 3-301-01 .

1.2.11 Erection Plan

Provide plans and a written erection/lifting procedure with required plans clearly showing the intended sequence and method of erection in accordance with EM 385-1-1 "Safety - Safety and Health Requirements". Indicate required crane lifting requirements, temporary support structures, member size and locations of braced or guyed temporary supports, and locations of bracing or guys anchor points. Clearly define the required framing sequence and conditions necessary to ensure the structure is maintained in a properly braced and stable condition throughout the complete erection process.

SECTION 13 34 19 Page 12

1.3 DEFINITIONS

a. Bay: Dimension between main frames measured normal to frame (at centerline of frame) for interior bays, and dimension from centerline of first interior main frame measured normal to end wall (outside face of end-wall girt) for end bays.

b. Clear Span: Distance between supports of beams, girders, or trusses (measured from lowest level of connecting area of a column and a rafter frame or knee).

c. Eave Height: Vertical dimension from finished floor to eave (the line along the sidewall formed by intersection of the planes of the roof and wall).

d. Terminology Standard: Refer to MBMA "Metal Building Systems Manual" for definitions of terms for metal building system construction not otherwise defined in this Section or in referenced standards.

1.4 SYSTEM DESCRIPTION

General: Provide a complete, integrated set of metal building system manufacturer's standard mutually dependent components and assemblies that form a metal building system capable of withstanding structural and other loads, thermally induced movement, and exposure to weather without failure or infiltration of water into building interior. Include primary and secondary framing, metal roof panels, metal wall panels, and accessories complying with requirements indicated except where the drawings indicate custom roof or wall panel requirements.

Provide metal building system of size and with spacing, slopes, and spans indicated.

1.4.1 Primary Frame Types as indicated in drawings, which may include:

a. Rigid Clear Span: Solid-member, structural-framing system without interior columns.

b. Rigid Modular: Solid-member, structural-framing system with interior columns.

c. Truss-Frame Clear Span: Truss-member, structural-framing system without interior columns.

d. Truss-Frame Modular: Truss-member, structural-framing system with interior columns.

e. Long Bay: Solid- or truss-member, structural-framing system without interior columns.

f. Lean To: Solid- or truss-member, structural-framing system without interior columns, designed to be partially supported by another structure.

1.4.2 Expandable End-Wall Framing

Provide engineered end walls to be expandable. Provide primary frame, capable of supporting full-bay design loads, and end-wall columns.

SECTION 13 34 19 Page 13

1.4.3 Secondary Frame Type

Provide manufacturer's standard purlins and joists and flush-framed, partially inset-framed, or exterior-framed (bypass) girts as shown on the drawings.

1.4.4 Eave Height

Eave height must be as indicated by nominal height on Drawings. Coordinate with the Contracting Officer for differences between indicated nominal height and standard eave heights provided by the building manufacturer.

1.4.5 Bay Spacing

Bay Spacing must be 25 feet or greater as determined by the manufacturer.

1.4.6 Roof Slope

Roof slope must be as indicated in the drawings.

1.4.7 Roof System

Provide manufacturer's standard vertical-rib, standing-seam metal roof panels with insulation.

1.4.8 Exterior Wall System

Provide factory-assembled, insulated metal wall panels complete with vapor barrier conforming to ASTM E96/E96M or, where required, an exterior wall system complying with UFC 4-010-01 and these specifications for the project location and site characteristics.

1.5 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for Contractor Quality Control approval. When used, a code following the "G" classification identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Manufacturer's Qualifications; G

SD-02 Shop Drawings

Detail Drawings; G

Erection Plan; G

SD-03 Product Data

Manufacturer's Catalog Data; G

Recycled Content for Structural Steel Shapes and Plates; S

Recycled Content for Steel Pipe; S

SECTION 13 34 19 Page 14

Recycled Content for Aluminum Sheet Materials; S

Recycled Content for Steel Sheet Materials; S

Recycled Content for Insulation Materials; S

SD-04 Samples

Coil Stock, 12 inches long by the actual panel width; G

Roof Panels, 12 inches long by actual panel width; G

Wall Panels, 12 inches long by actual panel width; G

Fasteners; G

Metal Closure Strips 10 inches long of each type; G

Insulation, approximately 8 by 11 inches; G

Vapor Barrier; G

Manufacturer's Color Charts and Chips, 4 by 4 inches; G

SD-05 Design Data

Manufacturer's Descriptive and Technical Literature; G

Manufacturer's Building Design Analysis; G

Lateral Force Calculations; G

SD-06 Test Reports

Test Reports; G

Coatings and Base Metals; G

Factory Color Finish Performance Requirements; G

SD-07 Certificates

System Components; G

Coil Stock Certificates; G

Aluminized Steel Repair Paint; G

Galvanizing Repair Paint; G

Enamel Repair Paint; G

Qualification of Manufacturer; G

Qualification of Erector; G

SD-08 Manufacturer's Instructions

SECTION 13 34 19 Page 15

Installation of Roof and Wall panels; G

Shipping, Handling, and Storage; G

SD-11 Closeout Submittals

Manufacturer's Warranty; G

Contractor's Warranty for Installation; G

1.6 QUALITY ASSURANCE

1.6.1 Pre-Erection Conference

After submittals are received and approved but before metal building system work, including associated work, is performed, the Contracting Officer will hold a pre-erection conference to review the following:

a. The detail drawings, specifications, and manufacturer's descriptive and technical literature.

b. Finalize construction schedule and verify availability of materials, erector's personnel, equipment, and facilities needed to make progress and avoid delays.

c. Methods and procedures related to metal building system erection, including, but not limited to: qualification of manufacturer, qualification of erector, manufacturer's catalog data, manufacturer's building design analysis,lateral force calculations, written instructions and test reports. Lateral force calculations must include all analysis and confirmation of system components required to transfer lateral forces to the foundation.

d. Support conditions for compliance with requirements, including alignment between and erection of structural members.

e. Flashing, special roofing and siding details, roof and wall penetrations, openings, and condition of other construction that will affect the metal building system, including coatings and base metals, factory color finish performance requirements, system components, and coil stock certificates.

f. Governing regulations and requirements for, certificates, insurance, tests and inspections if applicable.

g. Temporary protection requirements for metal panel assembly during and after installation.

h. Samples of roof panels, wall panels, aluminized steel repair paint, galvanizing repair paint, and enamel repair paint.

1.6.1.1 Pre-Roofing and Siding Installation Conference

After structural framing system erection and approval but before roofing, siding, insulation and vapor barrier work, including associated work, is performed; the Contracting Officer will hold a pre-roofing and siding conference to review the following:

a. Examine purlins, sub-girts and formed shapes conditions for compliance

SECTION 13 34 19 Page 16 with requirements, including flatness and attachment to structural members.

b. Review structural limitations of purlins, sub-girts and formed shapes during construction and after roofing and siding.

c. Review flashings, special roof and wall details, roof drainage, roof and wall penetrations, roof equipment curbs, and condition of other construction that will affect the metal building system.

d. Review temporary protection requirements for metal roof and wall panels' assembly during and after installation.

e. Review roof and wall observation and repair procedures after metal building system erection.

1.6.2 Manufacturer's Technical Representative

The representative must have authorization from manufacturer to approve field changes and be thoroughly familiar with the products, erection of structural framing and installation of roof and wall panels in the geographical area where construction will take place.

1.6.3 Manufacturer's Qualifications

Metal building system manufacturer must have a minimum of five years experience as a qualified manufacturer and a member of MBMA of metal building systems and accessory products.

Provide engineering services by an authorized currently licensed engineer in the geographical area where construction will take place, having a minimum of four years experience as an engineer knowledgeable in building design analysis, protocols and procedures for the "Metal Building Systems Manual" ( MBMA MBSM); ASCE 7-16 , and ASTM E1592. Provide certified engineering calculations using the products submitted for:

a. Roof and Wall Wind Loads with basic wind speed, exposure category, co-efficient, importance factor, designate type of facility, negative pressures for each zone, methods and requirements of attachment.

b. Roof Dead and Live Loads

c. Collateral Loads

d. Foundation Loads

e. Roof Snow Load

f. Seismic Loads

1.6.4 Qualification of Erection Contractor

An experienced erector who has specialized in erecting and installing work similar in material, design, and extent to that indicated for this Project and must be approved and certified by the metal building system manufacturer.

SECTION 13 34 19 Page 17

1.6.5 Single Source

Obtain primary and secondary components and structural framing members, each type of metal roof, wall and liner panel assemblies, clips, closures and other accessories from the standard products of the single source from a single manufacturer to operate as a complete system for the intended use.

1.6.6 Welding

Qualify procedures and personnel according to AWS A5.1/A5.1M , AWS D1.1/D1.1M , and AWS D1.3/D1.3M .

1.6.7 Structural Steel

Comply with AISC 341 , AISC 360 , for design requirements and allowable stresses.

1.6.8 Cold-Formed Steel

Comply with AISC/AISI 121 and AISI D100 for design requirements and allowable stresses.

1.6.9 Fire-Resistance Ratings

Where indicated, provide metal panels identical to those of assemblies tested for fire resistance in accordance with ASTM E119, as certified by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.

Indicate design designations from UL Bld Mat Dir or from the listings of another qualified testing agency. Combustion Characteristics must conform to ASTM E136.

1.6.10 Surface-Burning Characteristics

Provide metal panels having insulation core material with the following surface-burning characteristics as determined by testing identical products according to ASTM E84 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency showing:

a. Flame-Spread Index: [25] [_____] or less.

b. Smoke-Developed Index: [450] [_____] or less.

1.6.11 Fabrication

Fabricate and finish metal panels and accessories at the factory to greatest extent possible, by manufacturer's standard procedures and processes and as necessary to fulfill indicated performance requirements.

Comply with indicated profiles with dimensional and structural requirements. Provide metal panel profile, including major ribs and intermediate stiffening ribs, if any, for full length of panel. Aluminum and aluminum-alloy sheet and plate must conform to ASTM B209. Fabricate metal panel side laps with factory-installed captive gaskets or separator strips that provide a tight seal and prevent metal-to-metal contact, in a manner that will seal weather-tight and minimize noise from movements within panel assembly.

Sheet Metal Accessories: Fabricate flashing and trim to comply with

SECTION 13 34 19 Page 18 recommendations in SMACNA 1793 that apply to the design, dimensions, metal, and other characteristics of item indicated:

a. Form exposed sheet metal accessories that are without excessive oil canning, buckling, and tool marks and that are true to line and levels indicated, with exposed edges folded back to form hems.

b. End Seams: Fabricate nonmoving seams with flat-lock seams. Form seams and seal with epoxy seam sealer. Rivet joints for additional strength.

c. Sealed Joints: Form non-expansion but movable joints in metal to accommodate elastomeric sealant to comply with SMACNA standards.

d. Conceal fasteners and expansion provisions where possible. Exposed fasteners are not allowed on faces of accessories exposed to view.

e. Fabricate cleats and attachment devices of size and metal thickness recommended by SMACNA or by metal building system manufacturer for application, but not less than thickness of metal being secured.

1.6.12 Finishes

Comply with NAAMM AMP 500 for recommendations for applying and designating finishes.

Appearance of Finished Work: Noticeable variations in same piece are not acceptable. Variations in appearance of adjoining components are acceptable if they are within the range of approved Samples and are assembled or installed to minimize contrast.

1.7 SHIPPING, HANDLING AND STORAGE

1.7.1 Delivery

Package and deliver components, sheets, metal panels, and other manufactured items so as not to be damaged or deformed and protected during transportation and handling.

1.7.2 Storage

Stack and store metal panels horizontally on platforms or pallets, covered with suitable weather-tight and ventilated covering to ensure dryness, with positive slope for drainage of water. Store in a manner to prevent bending, warping, twisting, and surface damage. Do not store metal wall panels in contact with other materials that might cause staining, denting, or other surface damage. Retain strippable protective covering on metal panel for entire period up to metal panel installation.

1.7.3 Protection of Materials

Protect foam-plastic insulation as follows:

a. Do not expose to sunlight, except to extent necessary for period of installation and concealment.

b. Protect against ignition at all times. Do not deliver foam-plastic insulation materials to project site before installation time.

SECTION 13 34 19 Page 19

Complete installation and concealment of plastic materials as rapidly as possible in each area of construction to minimize ultraviolet exposure.

1.8 PROJECT CONDITIONS

1.8.1 Weather Limitations

Proceed with installation preparation only when existing and forecasted weather conditions permit Work to proceed without water entering into existing panel system or building.

1.8.2 Field Measurements

1.8.2.1 Established Dimensions for Foundations

Comply with established dimensions on approved anchor-bolt plans, established foundation dimensions, and proceed with fabricating structural framing. Do not proceed without verifying field measurements. Coordinate anchor-bolt installation to ensure that actual anchorage dimensions correspond to established dimensions.

1.8.2.2 Established Dimensions for Metal Panels

Where field measurements cannot be made without delaying the Work, either establish framing and opening dimensions and proceed with fabricating metal panels without field measurements, or allow for field trimming metal panels. Coordinate construction to ensure that actual building dimensions, locations of structural members, and openings correspond to established dimensions.

1.8.2.3 Verification Record

Verify locations of all framing and opening dimensions by field measurements before metal panel fabrication and indicate measurements on Shop Drawings.

1.9 COORDINATION

Coordinate final design and placement of foundation between structural engineer of record, geotechnical engineer, MBMA and Contractor.

Coordinate size and location of concrete foundations and casting of anchor-bolt inserts into foundation walls and footings. Concrete, reinforcement, and formwork requirements are specified in section on

CAST-IN-PLACE CONCRETE.

Coordinate installation of fire suppression system equipment supports, piping and supports and accessories, which are specified in Division 21 -

FIRE SUPPRESSION.

Coordinate installation of plumbing system equipment supports, piping and supports and accessories, which are specified in Division 22 - PLUMBING.

Coordinate installation of HVAC system equipment supports, ductwork and supports, piping and supports and accessories, which are specified in Division 23 - HEATING, VENTILATING AND AIR-CONDITIONING (HVAC).

Coordinate installation of roof curbs, equipment supports and roof penetrations, which are specified in Division 07 - THERMAL AND MOISTURE

PROTECTION.

SECTION 13 34 19 Page 20

Coordinate metal panel assemblies with rain drainage work, flashing, trim, and construction of supports and other adjoining work to provide a leak-proof, secure, and non-corrosive installation.

1.10 WARRANTY

1.10.1 Building System Warranty

Furnish manufacturer's no-dollar-limit warranty for the metal building system. The warranty period is to be no less than 5 years from the date of acceptance of the work and be issued directly to the Government. The warranty must provide that if within the warranty period, the metal building system shows evidence of deterioration resulting from defective materials or workmanship, correcting of any defects is the responsibility of the metal building system manufacturer. Repairs that become necessary because of defective materials and workmanship while metal building system is under warranty are to be performed within 168 hours after notification, unless additional time is approved by the Contracting Officer. Failure to perform repairs within 168 hours of notification will constitute grounds for having emergency repairs performed by others and will not void the warranty.

1.10.2 Roof System Weather-Tightness Warranty

Furnish manufacturer's no-dollar-limit warranty for the metal panel system. The warranty period is to be no less than 20 years from the date of acceptance of the work and be issued directly to the Government.

The warranty is to provide that if within the warranty period the roof panel system shows evidence of corrosion, perforation, rupture, lost of weather-tightness or excess weathering due to deterioration of the panel system resulting from defective materials and correction of the defective workmanship is to be the responsibility of the metal building system manufacturer.

Repairs that become necessary because of defective materials and workmanship while roof panel system is under warranty are to be performed within 168 hours after notification, unless additional time is approved by the Contracting Officer. Failure to perform temporary repairs within 168 hours of notification will constitute grounds for having emergency repairs performed by others and not void the warranty. Immediate follow-up and completion of permanent repairs must be performed within 30 days from date of notification.

1.10.3 Roof and Wall Panel Finish Warranty

Furnish manufacturer's no-dollar-limit warranty for the metal panel system. The warranty period is to be no less than 20 years from the date of acceptance of the work and be issued directly to the Government.

The warranty is to provide that if within the warranty period the metal panel system shows evidence of checking, delaminating cracking, peeling, chalk in excess of a numerical rating of eight, as determined by ASTM D4214 test procedures; or change colors in excess of five CIE or Hunter units in accordance with ASTM D2244 or excess weathering due to deterioration of the panel system resulting from defective materials and finish or correction of the defective workmanship is to be the responsibility of the metal building system manufacturer.

SECTION 13 34 19 Page 21

Liability under this warranty is exclusively limited to replacing the defective coated materials.

Repairs that become necessary because of defective materials and workmanship while roof and wall panel system is under warranty are to be performed within 168 hours after notification, unless additional time is approved by the Contracting Officer. Failure to perform repairs within 168 hours of notification will constitute grounds for having emergency repairs performed by others and not void the warranty.

PART 2 PRODUCTS

2.1 STRUCTURAL FRAMING MATERIALS

2.1.1 Steel Shapes and Plates

Wide flange and WT shapes: ASTM A992/A992M ; ASTM A572/A572M or ASTM A529/A529M . Angles, Channels and Plates: ASTM A36/A36M, ASTM A572/A572M or ASTM A529/A529M . Provide structural steel shapes and plates containing a minimum of 80 percent recycled content. Submit data identifying percentage of recycled content for structural steel shapes and plates.

2.1.2 Steel Pipe

ASTM A36/A36M, ASTM A53/A53M, ASTM A572/A572M or ASTM A529/A529M . Provide steel pipe containing a minimum of 50 percent recycled content. Submit data identifying percentage of recycled content for steel pipe.

2.1.3 Cold-Formed and Hot Formed Hollow Structural Sections

Cold formed: ASTM A500/A500M or ASTM B221, ASTM B221M. Hot-formed:

ASTM A501/A501M .

2.1.4 Structural-Steel Sheet

Hot-rolled, ASTM A1011/A1011M or cold-rolled, ASTM A1008/A1008M .

2.1.5 Metallic-Coated Steel Sheet

ASTM A653/A653M , ASTM A606/A606M .

2.1.6 Metallic-Coated Steel Sheet Pre-painted with Coil Stock Coating

Steel sheet metallic coated by the hot-dip process and pre-painted by the coil-coating process to comply with ASTM A755/A755M .

a. Zinc-Coated (Galvanized) Steel Sheet: ASTM A653/A653M , and

ASTM A123/A123M .

b. Aluminum-Zinc Alloy-Coated Steel Sheet: ASTM A792/A792M , and

ASTM A463/A463M .

2.1.7 Joist Girders

Refer to Section 05 21 00 STEEL JOIST FRAMING

SECTION 13 34 19 Page 22

2.1.8 Steel Joists

Refer to the following sections subject to project design requirements:

Section 05 21 00 STEEL JOIST FRAMING

2.1.9 High-Strength Bolts, Nuts, and Washers

ASTM F3125/F3125M , heavy hex steel structural bolts; ASTM A563 heavy hex carbon-steel nuts; and ASTM F436/F436M hardened carbon-steel washers.

Finish: Mechanically deposited zinc coating, ASTM B695.

Tension-Control, High-Strength Bolt-Nut-Washer Assemblies: ASTM F1852, heavy-hex-head steel structural bolts with spline.

Finish: Mechanically deposited zinc coating, ASTM B695.

2.1.10 Non-High-Strength Bolts, Nuts, and Washers

ASTM A307, ASTM A563, and ASTM F844.

Finish: ASTM B695.

2.1.11 Anchor Rods

ASTM F1554, Grade 36 unless otherwise indicated.

a. Configuration: Straight.

b. Nuts: ASTM A563 hex carbon steel.

c. Plate Washers: ASTM A36/A36M carbon steel.

d. Washers: ASTM F436/F436M hardened carbon steel.

e. Finish: Hot-dip zinc coating, ASTM A153/A153M .

2.1.12 Threaded Rods

ASTM A193/A193M , ASTM A572/A572M , ASTM A36/A36M, or ASTM A307.

a. Nuts: ASTM A563MASTM A563 hex carbon steel.

b. Washers: ASTM A36/A36M carbon steel.

c. Finish: Mechanically deposited zinc coating, ASTM B695.

2.1.13 Primer

SSPC-Paint 15, Type I, red oxide.

2.2 FABRICATION

2.2.1 General

Comply with MBMA MBSM - "Metal Building Systems Manual": Chapter IV, Section 9, "Fabrication and Erection Tolerances."

SECTION 13 34 19 Page 23

2.3 STRUCTURAL FRAMING

2.3.1 General

Clean all framing members to remove loose rust and mill scale. Provide 1 shop coat of primer to an average dry film thickness of 1 mil according to SSPC SP 2 . Balance of painting and coating procedures must conform to SSPC Paint 15 and SSPC Painting Manual .

2.3.2 Primary Framing

Manufacturer's standard structural primary framing system includes transverse and lean-to frames; rafter, rakes, and canopy beams; sidewall, intermediate, end-wall, and corner columns; and wind bracing designed to withstand required loads and specified requirements. Provide frames with attachment plates, bearing plates, and splice members. Provide frame span and spacing indicated.

Shop fabricate framing components by welding or by using high-strength bolts to the indicated size and section with base-plates, bearing plates, stiffeners, and other items required. Cut, form, punch, drill, and weld framing for bolted field erection.

a. Rigid Clear-Span Frames: I-shaped frame sections fabricated from shop-welded, built-up steel plates or structural-steel shapes.

Interior columns are not permitted except where indicated on the drawings.

c. Frame Configuration: As indicated on the drawings..

d. Exterior Column Type: Tapered.

e. Rafter Type: Tapered.

2.3.3 Secondary Framing

Manufacturer's standard secondary framing members, including purlins, girts, eave struts, flange bracing, base members, gable angles, clips, headers, jambs, and other miscellaneous structural members. Fabricate framing from cold-formed, structural-steel sheet or roll-formed, metallic-coated steel sheet pre-painted with coil coating, unless otherwise indicated.

Shop fabricate framing components by roll-forming or break-forming to the indicated size and section with base-plates, bearing plates, stiffeners, and other plates required for erection. Cut, form, punch, drill, and weld secondary framing for bolted field connections to primary framing.

a. Purlins: C or Z-shaped sections; fabricated from steel sheet, built-up steel plates, or structural-steel shapes; minimum depth as required to comply with system performance requirements.

b. Girts: C or Z-shaped sections; fabricated from steel sheet, built-up steel plates, or structural-steel shapes. Form ends of Z-sections with stiffening lips angled 40 to 50 degrees to flange minimum depthas required to comply with system performance requirements unless a depth is indicated on the Architectural drawings.

SECTION 13 34 19 Page 24

c. Eave Struts: Unequal-flange, C-shaped sections; fabricated from steel sheet, built-up steel plates, or structural-steel shapes; to provide adequate backup for metal panels.

d. Flange Bracing: Structural-steel angles or cold-formed structural tubing to stiffen primary frame flanges.

e. Sag Bracing: Structural-steel angles.

f. Base or Sill Angles: Zinc-coated (galvanized) steel sheet.

g. Purlin and Girt Clips: Steel sheet. Provide galvanized clips where clips are connected to galvanized framing members.

h. Secondary End-Wall Framing: Manufacturer's standard sections fabricated from zinc-coated (galvanized) steel sheet.

i. Framing for Openings: Channel shapes; fabricated cold-formed, structural-steel sheet or structural-steel shapes. Frame head and jamb of door openings, and head, jamb, and sill of other openings.

j. Miscellaneous Structural Members: Manufacturer's standard sections fabricated from cold-formed, structural-steel sheet; built-up steel plates; or zinc-coated (galvanized) steel sheet; designed to withstand required loads.

2.3.4 Bracing

Provide adjustable wind bracing as follows:

a. Rods: ASTM A36/A36M; ASTM A572/A572M ; or ASTM A529/A529M threaded a minimum of 24 inches at each end.

b. Cable: ASTM A475, extra-high-strength grade, zinc-coated, multi -strand steel; with threaded end anchors.

c. Angles: Fabricated from structural-steel shapes to match primary framing, of size required to withstand design loads.

d. Rigid Portal Frames: Fabricate from shop-welded, built-up steel plates or structural-steel shapes to match primary framing; of size required to withstand design loads.

e. Fixed-Base Columns: Fabricate from shop-welded, built-up steel plates or structural-steel shapes to match primary framing; of size required to withstand design loads.

f. Diaphragm Action of Metal Panels: Design metal building to resist wind forces through diaphragm action of metal panels.

g. Bracing: Provide wind bracing using any method specified above, at manufacturer's option.

2.4 PANEL MATERIALS

2.4.1 Aluminum Sheet

Roll-form aluminum roof and wall panels to the specified profile, with .050 inch thickness and depth as indicated. Aluminum sheets must contain a

SECTION 13 34 19 Page 25 minimum recycled content of 20 percent. Provide data identifying percentage of recycled content for aluminum sheet materials. Material must be plumb and true, and within the tolerances listed:

a. Aluminum Sheet conforming to ASTM B209, AA ADM and AA ASD1.

b. Individual panels to have continuous length to cover the entire length of any [roof slope] [wall area] with no joints or seams and formed without warping, waviness, or ripples that are not part of the panel profile and free of damage to the finish coating system.

c. Provide panels with thermal expansion and contraction consistent with the type of system specified.

1. Profile and coverage to be a minimum height and width from manufacturer's standard for the indicated [roof slope] [wall area].

[ 2. Profile to be a 1-1/2 inch high rib at 12 inches o.c. with small stiffening ribs, 38 inch overall width with 36 inch coverage and exposed fasteners.

][ 3. Profile to be a 1-1/2 inch high rib at 7.2 inches o.c., 38-7/8 inch overall width with 36 inch coverage and exposed fasteners.

][ 4. Profile to be a 1 inch high rib at 4 inches o.c., 49-5/8 inch overall width with [48] [44] inch coverage and exposed fasteners.

][ 5. Profile to be a 1 inch high rib at 8 inches o.c., 41-5/8 inch overall width with 40 inch coverage and exposed fasteners.

][ 6. Profile to be a 1-3/4 inch high V-beam rib at 5 inches o.c., 44-7/8 inch overall width with 42 inch coverage and exposed fasteners.

][ 7. Profile to be a 7/8 inch high corrugated rib at 2 inches o.c., 38-7/8 inch overall width with 36 inch coverage and exposed fasteners.

][ 8. Profile to be a 3 inch high standing seam, 24 inch coverage, factory-caulked and mechanical crimping or snap-together seams with concealed clips and fasteners.

][ 9. Profile to be a [1] [1-3/4] [2] [2-1/2] inch high standing seam, [12] [16] [18] inch coverage, with mechanical crimping or snap-together seams with concealed clips and fasteners.

][ 10. [Smooth, flat] [Embossed] Surface Texture.

][ 11. Custom profile to be [_____][as shown on drawings].

] 2.4.2 Steel Sheet

Roll-form steel roof and wall panels to the specified profile, with 20 gauge and depth as indicated. Steel sheets must contain a minimum recycled content of 25 percent. Provide data identifying percentage of recycled content for steel sheet materials. Material must be plumb and true, and within the tolerances listed:

a. Galvanized Steel Sheet conforming to ASTM A653/A653M and AISI D100 .

SECTION 13 34 19 Page 26

b. Aluminum-Zinc Alloy-coated Steel Sheet conforming to ASTM A792/A792M and AISI D100 .

c. Individual panels to have continuous length to cover the entire length of any unbroken roof slope or wall area with no joints or seams and formed without warping, waviness, or ripples that are not part of the panel profile and free of damage to the finish coating system.

d. Provide panels with thermal expansion and contraction consistent with the type of system specified;

[ profile and coverage to be a minimum height and width from manufacturer's standard for the indicated roof slope or wall area.

][ profile to be a 1-1/2 inch high rib at 12 inches o.c. with small stiffening ribs, 38 inch overall width with 36 inch coverage and exposed fasteners.

][ profile to be a 1-1/2 inch high rib at 7.2 inches o.c., 38-7/8 inch overall width with 36 inch coverage and exposed fasteners.

][ profile to be a 1 inch high rib at 4 inches o.c., 49-5/8 inch overall width with [48] [44] inch coverage and exposed fasteners.

][ profile to be a 1 inch high rib at 8 inches o.c., 41-5/8 inch overall width with 40 inch coverage and exposed fasteners.

][ profile to be a 7/8 inch high corrugated rib at 2 inches o.c., 38-7/8 inch overall width with 36 inch coverage and…