JA-9_Specifications.pdf

REPAIR ROOF OF DET 460 (B1183) SPECIFICATIONS JA-9

EIELSON AFB, ALASKA TABLE OF CONTENTS

FTQW 14-2605

SPECIFICATIONS JA-9 TABLE OF CONTENTS

SPECIFICATIONS UFGS 07 41 13 2

SPECIFICATIONS UFGS 08 71 00 38

FA5004-16-B-C002

EIELSON AFB, AK

ATTACHMENT JA-9

SPECIFICATIONS

SECTION 07 41 13 Page 1

USACE / NAVFAC / AFCEC / NASA UFGS-07 41 13 (May 2011)

Preparing Activity: NAVFAC Superseding UFGS-07 41 13 (November 2008)

UNIFIED FACILITIES GUIDE SPECIFICATIONS

References are in agreement with UMRL dated January 2016

SECTION TABLE OF CONTENTS

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

SECTION 07 41 13

METAL ROOF PANELS

05/11

PART 1 GENERAL

1.1 REFERENCES

1.2 DESCRIPTION OF METAL ROOF SYSTEM

1.2.1 Performance Requirements

1.2.1.1 Hydrostatic Head Resistance

1.2.1.2 Wind Uplift Resistance

1.3 SUBMITTALS

1.4 QUALITY ASSURANCE

1.4.1 Qualification of Manufacturer

1.4.1.1 Manufacturer's Technical Representative

1.4.1.2 Single Source

1.4.2 Qualification of Applicator

1.4.3 Field Verification

1.4.4 Qualifications for Welding Work

1.4.5 Pre-roofing Conference

1.5 DELIVERY, HANDLING, AND STORAGE

1.5.1 Delivery

1.5.2 Handling

1.5.3 Storage

1.6 PROJECT CONDITIONS

1.7 FABRICATION

1.7.1 Finishes

1.7.2 Accessories

1.8 WARRANTIES

1.8.1 Metal Roof Panel Manufacturer Warranty

1.8.2 Manufacturer's Finish Warranty

1.8.3 Metal Roof System Installer Warranty

1.8.4 Continuance of Warranty

1.9 CONFORMANCE AND COMPATIBILITY

1.10 SCHEDULE

PART 2 PRODUCTS

2.1 ROOF PANELS

2.1.1 Aluminum Sheet Panels

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2.1.2 Steel Sheet Panels

2.2 FACTORY FINISH AND COLOR PERFORMANCE REQUIREMENTS

2.2.1 Specular Gloss

2.3 MISCELLANEOUS METAL FRAMING

2.3.1 General

2.3.2 Fasteners and Miscellaneous Metal Framing

2.3.2.1 Exposed Fasteners

2.3.2.2 Screws

2.3.2.3 Rivets

2.3.2.4 Attachment Clips

2.3.3 Electrodes for Manual, Shielded Metal Arc Welding

2.4 ACCESSORIES

2.4.1 Pre-manufactured Accessories

2.4.2 Metal Closure Strips

2.4.3 Rubber Closure Strips

2.4.4 Subgirts for Retrofits

2.5 JOINT SEALANTS

2.5.1 Sealants

2.5.1.1 Shop Applied Sealants

2.5.1.2 Field Applied Sealants

2.5.1.3 Tape Sealants

2.5.2 Sheet Metal Flashing and Trim

2.5.2.1 Fabrication, General

2.5.2.2 Roof Drainage Sheet Metal Fabrications

2.6 INSULATION

2.6.1 Fire Rated Assembly System

2.6.2 Fire Rated Roof Panel Assembly

2.7 UNDERLAYMENTS

2.7.1 Felt Underlayment

2.7.2 Self-Adhering Modified Bitumen Underlayment

2.7.3 EPDM Membrane

2.7.4 Slip Sheet

2.8 GASKETS AND SEALING/INSULATING COMPOUNDS

2.9 FINISH REPAIR MATERIAL

PART 3 EXECUTION

3.1 EXAMINATION

3.2 INSTALLATION

3.2.1 Preparation

3.2.2 Underlayment

3.2.2.1 Single Layer Felt Underlayment for a Standard Slope Roof

Deck

3.2.2.2 Self-Adhering Sheet Underlayment

3.2.2.3 Slip Sheet

3.3 INSULATION INSTALLATION

3.4 PROTECTION OF APPLIED MATERIALS

3.5 FASTENER INSTALLATION

3.5.1 Welding

3.6 FLASHING, TRIM, AND CLOSURE INSTALLATION

3.6.1 General Requirements

3.6.2 Metal Flashing

3.7 ROOF PANEL INSTALLATION

3.7.1 Handling and Erection

3.7.2 Closure Strips

3.7.3 Workmanship

3.8 ACCEPTANCE PROVISIONS

3.8.1 Erection Tolerances

3.8.2 Leakage Tests

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3.8.3 Repairs to Finish

3.8.4 Paint Finished Metal Roofing

3.9 CLEAN UP AND DISPOSAL

3.10 FIELD QUALITY CONTROL

3.10.1 Manufacturer's Inspection

3.11 INFORMATION CARD

3.11.1 Form One

3.12 DATE OF INSTALLATION WALL-MOUNTED PLACARD

3.13 USACE WARRANTY

-- End of Section Table of Contents --

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SECTION 07 41 13 Page 4

USACE / NAVFAC / AFCEC / NASA UFGS-07 41 13 (May 2011)

Preparing Activity: NAVFAC Superseding UFGS-07 41 13 (November 2008)

UNIFIED FACILITIES GUIDE SPECIFICATIONS

References are in agreement with UMRL dated January 2016

SECTION 07 41 13

METAL ROOF PANELS

05/11

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 (2015) Aluminum Design Manual

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 341 (2010) Seismic Provisions for Structural

Steel Buildings

AMERICAN IRON AND STEEL INSTITUTE (AISI)

AISI S100 (2012) North American Specification for the Design of Cold-Formed Steel Structural

Members

AISI SG03-3 (2002; Suppl 2001-2004; R 2008)

Cold-Formed Steel Design Manual Set

AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)

ASCE 7 (2010; Errata 2011; Supp 1 2013) Minimum

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Design Loads for Buildings and Other

Structures

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 (2015) Structural Welding Code - Steel

AWS D1.2/D1.2M (2014) Structural Welding Code - Aluminum

ASTM INTERNATIONAL (ASTM)

ASTM A1008/A1008M (2015) Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength

Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardened

ASTM A123/A123M (2013) Standard Specification for Zinc

(Hot-Dip Galvanized) Coatings on Iron and

Steel Products

ASTM A36/A36M (2014) Standard Specification for Carbon

Structural Steel

ASTM A424/A424M (2009a) Standard Specification for Steel

Sheet for Porcelain Enameling

ASTM A463/A463M (2010; R 2015) Standard Specification for

Steel Sheet, Aluminum-Coated, by the

Hot-Dip Process

ASTM A653/A653M (2015) Standard Specification for Steel

Sheet, Zinc-Coated (Galvanized) or

Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

ASTM A755/A755M (2015) 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 A792/A792M (2010) Standard Specification for Steel

Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process

ASTM A924/A924M (2014) Standard Specification for General

Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip Process

ASTM B117 (2011) Standard Practice for Operating

Salt Spray (Fog) Apparatus

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

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ASTM B209M (2014) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric)

ASTM C286 (1999; R 2009) Standard Terminology

Relating to Porcelain Enamel and

Ceramic-Metal Systems

ASTM C552 (2015) Standard Specification for Cellular

Glass Thermal Insulation

ASTM C553 (2013) Standard Specification for Mineral

Fiber Blanket Thermal Insulation for

Commercial and Industrial Applications

ASTM C792 (2004; R 2008) Effects of Heat Aging on

Weight Loss, Cracking, and Chalking of

Elastomeric Sealants

ASTM C920 (2014a) Standard Specification for

Elastomeric Joint Sealants

ASTM D1056 (2014) Standard Specification for Flexible

Cellular Materials - Sponge or Expanded

Rubber

ASTM D1308 (2013) Effect of Household Chemicals on

Clear and Pigmented Organic Finishes

ASTM D1654 (2008) Evaluation of Painted or Coated

Specimens Subjected to Corrosive

Environments

ASTM D1667 (2005; R 2011) Flexible Cellular Materials

- Poly (Vinyl Chloride) Foam (Closed-Cell)

ASTM D1970/D1970M (2015a) Self-Adhering Polymer Modified

Bituminous Sheet Materials Used as Steep

Roofing Underlayment for Ice Dam Protection

ASTM D2244 (2015a) 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 D226/D226M (2009) Standard Specification for

Asphalt-Saturated Organic Felt Used in

Roofing and Waterproofing

ASTM D2794 (1993; R 2010) Resistance of Organic

Coatings to the Effects of Rapid

Deformation (Impact)

ASTM D3359 (2009; E 2010; R 2010) Measuring Adhesion by Tape Test

ASTM D3363 (2005; E 2011; R 2011; E 2012) Film

Hardness by Pencil Test

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ASTM D4214 (2007; R 2015) Standard Test Method for

Evaluating the Degree of Chalking of

Exterior Paint Films

ASTM D4587 (2011) Standard Practice for Fluorescent

UV-Condensation Exposures of Paint and

Related Coatings

ASTM D4637/D4637M (2015) EPDM Sheet Used in Single-Ply Roof

Membrane

ASTM D4869/D4869M (2015) Standard Specification for

Asphalt-Saturated Organic Felt

Underlayment Used in Steep Slope Roofing

ASTM D522/D522M (2014) Mandrel Bend Test of Attached

Organic Coatings

ASTM D523 (2014) Standard Test Method for Specular

Gloss

ASTM D5894 (2010) Cyclic Salt Fog/UV Exposure of

Painted Metal, (Alternating Exposures in a

Fog/Dry Cabinet and a UV/Condensation

Cabinet)

ASTM D610 (2008; R 2012) Evaluating Degree of

Rusting on Painted Steel Surfaces

ASTM D714 (2002; R 2009) Evaluating Degree of

Blistering of Paints

ASTM D822 (2001; R 2006) Filtered Open-Flame

Carbon-Arc Exposures of Paint and Related

Coatings

ASTM D968 (2015) Abrasion Resistance of Organic

Coatings by Falling Abrasive

ASTM E1592 (2005; R 2012) Structural Performance of

Sheet Metal Roof and Siding Systems by

Uniform Static Air Pressure Difference

ASTM E2140 (2001; R 2009) Standard Test Method for

Water Penetration of Metal Roof Panel

Systems by Static Water Pressure Head

ASTM E84 (2015b) Standard Test Method for Surface

Burning Characteristics of Building

Materials

ASTM G152 (2013) Operating Open Flame Carbon Arc

Light Apparatus for Exposure of

Nonmetallic Materials

ASTM G153 (2013) Operating Enclosed Carbon Arc Light

Apparatus for Exposure of Nonmetallic

Materials

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FM GLOBAL (FM)

FM 4471 (2010) Class I Panel Roofs

METAL BUILDING MANUFACTURERS ASSOCIATION (MBMA)

MBMA RSDM (2000) Metal Roofing Systems Design Manual

NATIONAL ROOFING CONTRACTORS ASSOCIATION (NRCA)

NRCA 0420 (2010) Architectural Metal Flashing, Condensation Control and Reroofing

NRCA RoofMan (2011 thru 2014) The NRCA Roofing Manual

PORCELAIN ENAMEL INSTITUTE (PEI)

PEI 1001 (1996) Specification for Architectural

Porcelain Enamel (ALS-100)

PEI CG-3 (2005) Color Guide for Architectural

Porcelain Enamel

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

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

UNDERWRITERS LABORATORIES (UL)

UL 580 (2006; Reprint Oct 2013) Tests for Uplift

Resistance of Roof Assemblies

UL Bld Mat Dir (2012) Building Materials Directory

1.1 DESCRIPTION OF METAL ROOF SYSTEM

1.1.1 Performance Requirements

Steel panels and accessory components must conform to the following standards:

1.1.1.1 Hydrostatic Head Resistance

No water penetration when tested according to ASTM E2140. Submit leakage

ASTM

ASTM

ASTM

[ ASTM

A1008/A1008M

A123/A123M

A36/A36M

A424/A424M, ASTM C286, PEI 1001, PEI

Enameling

CG-3 for Porcelain and Ceramic

][ASTM A463/A463M for aluminum

][ASTM A755/A755M for metallic prepainted applications.

][ASTM A924/A924M for metallic coated coated steel sheet steel sheet for exterior coil coated steel sheet

] ASTM D522/D522M for applied coatings

UL Bld Mat Dir

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SECTION 07 41 13 Page 9 test report upon completion of installation.

1.1.1.2 Wind Uplift Resistance

Provide metal roof panel system that conform to the requirements of

ASTM E1592 and UL 580. Uplift force due to wind action governs the design for panels. Submit wind uplift test report prior to commencing installation.

Roof system and attachments must resist the wind loads as determined by

ASCE 7, in pounds per square foot. Metal roof panels and component materials must also comply with the requirements in FM 4471 as part of a panel roofing system as listed in Factory Mutual Guide (FMG) "Approval

Guide" for class 1 or noncombustible construction, as applicable. Identify all materials with FMG markings.

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are [for Contractor Quality Control

SECTION 07 41 13 Page 10 approval.][for information only. When used, a designation following the

"G" designation identifies the office that will review the submittal for the Government.] Submittals with an "S" are for inclusion in the

Sustainability Notebook, in conformance to Section 01 33 29 SUSTAINABILITY

REPORTING. Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Roofing Panels; G[, [ ]]

Flashing and Accessories; G[, [ ]]

Gutter/Downspout Assembly; G[, [ ]]

SD-03 Product Data

[ Factory-Applied Color Finish; G[, [ ]]

] Accessories; G[, [ ]]

Fasteners; G[, [ ]]

Pressure Sensitive Tape; G[, [ ]]

Underlayments; G[, [ ]]

Gaskets and Sealing/Insulating Compounds; G[, [ ]]

[ Coil Stock; G[, [ ]]

] Aluminized Steel Repair Paint; G[, [ ]]

Enamel Repair Paint; G[, [ ]]

Galvanizing Repair Paint; G[, [ ]]

SD-04 Samples

Roof Panels; G[, [ ]]

Factory-applied Color Finish, Samples, 23 cm 9 inch lengths, full width; G[, [ ]]

Accessories; G[, [ ]]

Fasteners; G[, [ ]]

Submit manufacturer's catalog data for the following items:

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Gaskets and Sealant/Insulating Compounds; G[, [ ]]

SD-05 Design Data

Wind Uplift Resistance; G[, [ ]]

SD-06 Test Reports

Leakage Test Report; G[, [ ]]

Wind Uplift Test Report; G[, [ ]]

Fire Rating Test Report; G[, [ ]]

Factory Finish and Color Performance Requirements; G[, [ ]]

SD-07 Certificates

Coil Stock Compatibility; G[, [ ]]

[ Self-Adhering Modified Bitumen Underlayment; G[, [ ]]

] Qualification of Manufacturer; G[, [ ]]

Qualification of Applicator; G[, [ ]]

SD-08 Manufacturer's Instructions

[ Insulation; G[, [ ]]

Installation Manual; G[, [ ]]

[ SD-09 Manufacturer's Field Reports

[ Manufacturer's Field Inspection Reports; G[, [ ]]

SD-11 Closeout Submittals

Warranties; G[, [ ]]

Information Card; G[, [ ]]

[ Date Of Installation Wall-Mounted Placard; G[, [ ]]

]1.4 QUALITY ASSURANCE

1.4.1 Qualification of Manufacturer

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Manufacturer must also provide engineering services by an authorized engineer, currently licensed in the geographic area of the project, with a minimum of five (5) years experience as an engineer knowledgeable in roof wind design analysis, protocols and procedures for MBMA RSDM, ASCE 7, UL 580, and FM 4471. Engineer must provide certified engineering calculations for the project conforming to the stated references.

Metal roof system applicator must be approved, authorized, or licensed in writing by the roof panel manufacturer and have a minimum of [three][ ] years experience as an approved, authorized, or licensed applicator with that manufacturer, approved at a level capable of providing the specified warranty. Supply the names, locations and client contact information of 5 projects of similar size and scope constructed by applicator using the manufacturer's roofing products submitted for this project within the previous three years.

1.4.1 Field Verification

Prior to the preparation of drawings and fabrication, verify location of roof framing, roof openings and penetrations, and any other special conditions. Indicate all special conditions and measurements on final shop drawings.

1.4.2 Qualifications for Welding Work

Welding procedures must conform to AWS D1.1/D1.1Mfor steel or AWS D1.2/D1.2M for aluminum.

Submit documentation verifying metal roof panel manufacturer has been in the business of manufacturing metal roof panels for a period of not less than 5 years

SECTION 07 41 13 Page 13

Operators are permitted to make only those types of weldments for which each is specifically qualified.

1.5 DELIVERY, HANDLING, AND STORAGE

Deliver, store, and handle panel materials, bulk roofing products, accessories, and other manufactured items in a manner to prevent damage and deformation, as recommended by the manufacturer, and as specified.

1.5.1 Delivery

Package and deliver materials to the site in undamaged condition. Provide adequate packaging to protect materials during shipment. Do not uncrate materials until ready for use, except for inspection. Immediately upon arrival of materials at jobsite, inspect materials for damage, deformation, dampness, and staining. Remove affected materials from the site and immediately replace. Remove moisture from wet materials not otherwise

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1.5.2 Handling

Handle materials in a manner to avoid damage. Select and operate material handling equipment so as not to damage materials or applied roofing.

1.5.3 Storage

Stack materials stored on site on platforms or pallets, and cover with tarpaulins or other weathertight covering which prevents trapping of water or condensation under the covering. Store roof panels so that water which may have accumulated during transit or storage will drain off. Do not store panels in contact with materials that might cause staining. Secure coverings and stored items to protect from wind displacement.

1.6 PROJECT CONDITIONS

Weather Limitations: Proceed with installation only when existing and forecast weather conditions permit metal roof panel work to be performed according to manufacturer's written instructions and warranty requirements, and specified safety requirements.

1.7 FABRICATION

Fabricate and finish metal roof panels and accessories on a [factory stationary industrial type][leased or installer owned portable] rolling mill to the greatest extent possible, per manufacturer's standard procedures and processes, and as necessary to fulfill indicated performance requirements. Comply with indicated profiles, dimensional and structural requirements.

Provide panel profile, as indicated on drawings [including major ribs ][and intermediate stiffening ribs ]for full length of panel. Fabricate panel side laps with factory installed [captive gaskets][separator strips] providing a weather tight seal and preventing metal-to metal contact, and minimizing noise from movements within the panel assembly.

1.7.1 Finishes

Finish quality and application processes must conform to the related standards specified within this section. Noticeable variations within the 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 any contrasting variations.

1.7.2 Accessories

Fabricate flashing and trim to comply with recommendations in SMACNA 1793 as applicable to the design, dimensions, metal, and other characteristics of the item indicated.

a. Form exposed sheet metal accessories which are free from excessive oil canning, buckling, and tool marks, and 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.]

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c. Sealed Joints: Form non-expansion, but movable joints in metal to accommodate elastomeric sealant to comply with SMACNA 1793.

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

e. Fabricate cleats and attachments devices of size and metal thickness recommended by SMACNA or by metal roof panel manufacturer for application, but not less than the thickness of the metal being secured.

1.8 WARRANTIES

Provide metal roof system material and workmanship warranties meeting specified requirements. Provide revision or amendment to manufacturer's standard warranty as required to comply with the specified requirements.

1.8.1 Metal Roof Panel Manufacturer Warranty

Furnish the metal roof panel manufacturer's 20 year no dollar limit roof system materials and installation workmanship warranty, including flashing, [insulation, ]components, trim, and accessories necessary for a watertight roof system construction. Make warranty directly to the Government, commencing at time of Government's acceptance of the roof work. The warranty must state that:

a. If within the warranty period, the metal roof system, as installed for its intended use in the normal climatic and environmental conditions of the facility, becomes non-watertight, shows evidence of moisture intrusion within the assembly, displaces, corrodes, perforates, separates at the seams, or shows evidence of excessive weathering due to defective materials or installation workmanship, the repair or replacement of the defective and damaged materials of the metal roof system and correction of defective workmanship is the responsibility of the metal roof panel manufacturer. All costs associated with the repair or replacement work are the responsibility of the metal roof panel manufacturer.

b. If the manufacturer or his approved applicator fail to perform the repairs within 72 hours of notification, emergency temporary repairs performed by others does not void the warranty.

[1.8.2 Manufacturer's Finish Warranty

Provide a manufacturer's no-dollar-limit 20 year warranty for the roofing

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Government acceptance.warranting that the factory color finish, under normal atmospheric conditions at the site, will not crack, peel, or delaminate; chalk in excess of a numerical rating of 8 when measured in accordance with ASTM D4214; or fade or change colors in excess of 5 NBS units as measured in accordance with ASTM D2244.

]1.8.3 Metal Roof System Installer Warranty

[Provide roof system installer warranty for a period of not less than two years that the roof system, as installed, is free from defects in installation workmanship, to include the roof panel installation, flashing, [insulation,] accessories, attachments, and sheet metal installation integral to a complete watertight roof system assembly.

Issue warranty directly to the Government. Correction of defective workmanship and replacement of damaged or affected materials is the responsibility of the metal roof system installer. All costs associated with the repair or replacement work are the responsibility of the installer.

]1.8.4 Continuance of Warranty

Repair or replacement work that becomes necessary within the warranty period must be approved, as required, and accomplished in a manner so as to restore the integrity of the roof system assembly and validity of the metal roof system manufacturer warranty for the remainder of the manufacturer warranty period.

1.9 CONFORMANCE AND COMPATIBILITY

The entire metal roofing and flashing system must be in accordance with specified and indicated requirements, including wind resistance [and seismic per AISC 341 ]requirements. Work not specifically addressed and any deviation from specified requirements must be in general accordance with recommendations of the MBMA RSDM, NRCA RoofMan, the metal panel manufacturer's published recommendations and details, and compatible with surrounding components and construction. Submit any deviation from specified or indicated requirements to the Contracting Officer for approval prior to installation.

1.10 SCHEDULE

Some metric measurements in this section are based on mathematical conversion of English unit measurements, and not on metric measurement

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PRODUCTS ENGLISH UNITS METRIC UNITS

a. Sheet Aluminum 0.040 inch 1.0 mm

b. Panels 12 inches 300 mm

- vertical legs 2 inches 50 mm

- stiffening ribs 4 inches 100 mm

c. Screws No. 14 0.242 mm

No. 12 0.216 mm

d. Bolts 1/4 inch 6 mm

e. Studs 3/16 inch 5 mm

f. Fasteners 1/2 inch 13 mm

One inch 25 mm

g. Rivets 1/16 inch 5 mm

1/8 inch 3 mm

PART 2 PRODUCTS

2.1 ROOF PANELS

]2.2 FACTORY FINISH AND COLOR PERFORMANCE REQUIREMENTS

All panels are to receive a factory applied Kynar

500 finish consisting of a baked topcoat with a manufacturer's recommended prime coat conforming to the following:

a. Metal Preparation: All metal is to have the surfaces carefully prepared for painting on a continuous process coil coating line by alkali cleaning, hot water rinsing, application of chemical conversion coating, cold water rinsing, sealing with an acid rinse, and thorough drying.

b. Prime Coating: A base coat of epoxy paint, specifically formulated to interact with the top-coat, is to be applied to the prepared surfaces by roll coating to a dry film thickness of 0.20 plus 0.05 mils. The prime coat must be oven cured prior to application of the finish coat.

c. Exterior Finish Coating: Apply the exterior finish coating over the primer by roll coating to a dry film thickness of 0.80 plus 0.05 mils

(3.80 plus 0.05 mils for Vinyl Plastisol) for a total dry film thickness of 1.00 plus 0.10 mils (4.00 plus 0.10 mils for Vinyl

Plastisol). This exterior finish coat must be oven-cured.

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d. Interior finish coating: Apply a wash coat on the reverse side over primer by roll coating to a dry film thickness of 0.30 plus 0.05 mils for a total dry fill thickness of 0.50 plus 0.10 mils. The wash coat must be oven cured.

e. Color: The exterior finish chosen from the manufacturer's standard color chart.

f. Physical Properties: Coating must conform to the industry and manufacturer's standard performance criteria as listed by the following certified test reports:

General: ASTM D5894 and ASTM D4587

Abrasion: ASTM D968

Adhesion: ASTM D3359

Chalking: ASTM D4214

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Chemical Pollution: ASTM D1308

Color Change and Conformity: ASTM D2244

Creepage: ASTM D1654

Cyclic Corrosion Test: ASTM D5894

Flame Spread: ASTM E84

Flexibility: ASTM D522/D522M

Formability: ASTM D522/D522M

Gloss at 60 and 85 degrees: ASTM D523

Humidity: ASTM D2247 and ASTM D714

Oxidation: ASTM D610

Pencil Hardness: ASTM D3363

Reverse Impact: ASTM D2794

Salt Spray: ASTM B117

Weatherometer: ASTM G152, ASTM G153 and ASTM D822

2.2.1 Specular Gloss

2.3 MISCELLANEOUS METAL FRAMING

2.3.1 General

Provide cold formed metallic-coated steel sheet conforming to

ASTM A653/A653M, AISI S100, and as specified in 05 40 00 COLD-FORMED METAL

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FRAMING unless otherwise indicated.

2.3.2 Fasteners and Miscellaneous Metal Framing

Provide compatible type, corrosion resistant, of sufficient size and length to penetrate the supporting element a minimum of one inch with other required properties to fasten miscellaneous metal framing members to substrates in accordance with the roof panel manufacturer's and ASCE 7 requirements.

2.3.2.1 Exposed Fasteners

Fasteners for roof panels must be corrosion resistant zinc coated and match existing compatible with the sheet panel or flashing material and of the type and size recommended by the manufacturer to meet the performance requirements and design loads.

Fasteners for accessories must be the manufacturer's standard. Provide an integral metal washer, matching the color of attached material with compressible sealing EPDM gasket approximately 3/32 inch thick for exposed fasteners.

2.3.2.2 Screws

Provide corrosion resistant screws, [coated steel] of the type and size recommended by the manufacturer to meet the performance requirements.

2.3.2.3 Rivets

Provide closed-end type rivets, corrosion resistant coated steel where watertight connections are required.

2.3.2.4 Attachment Clips

Provide [hot-dip galvanized, conforming to ASTM A653/A653M,clips.

Size, shape, thickness and capacity must meet the thickness and design load criteria specified.

2.3.3 Electrodes for Manual, Shielded Metal Arc Welding

Electrodes for manual, shielded metal arc welding must meet the requirements of AWS D1.1/D1.1M, and be covered, mild-steel electrodes conforming to AWS A5.1/A5.1M.

2.4 ACCESSORIES

Accessories must be compatible with the metal roof panels. Sheet metal flashing, trim, metal closure strips, caps, and similar metal accessories must be not less than the minimum thicknesses specified for roof panels.

Provide exposed metal accessories to match the panels furnished[, except as otherwise indicated]. Molded foam rib, ridge and other closure strips must be closed-cell or solid-cell synthetic rubber or neoprene premolded to match configuration of the panels and not absorb or retain water.

2.4.1 Pre-manufactured Accessories

Pre-manufactured accessories must be manufacturer's standard for intended purpose,[ comply with applicable specification section,] compatible with the metal roof system and approved for use by the metal roof panel manufacturer. Construct curbs to match roof slope.

SECTION 07 41 13 Page 21

2.4.2 Metal Closure Strips

Provide factory fabricated steel closure strips of the same

[gauge][thickness], color, finish and profile as the specified roof panel.

2.4.3 Rubber Closure Strips

Provide closed-cell, expanded cellular rubber closure strips conforming to

ASTM D1056 and ASTM D1667, extruded or molded to the configuration of the specified roof panel profile and in lengths supplied by roof panel manufacturer.

[2.4.4 Subgirts for Retrofits

Provide bar subgirts 38 by 3 millimeter 1-1/2 by 1/8 inch galvanized steel with slotted holes for welding to end of impaling clip spikes.

]2.5 JOINT SEALANTS

2.5.1 Sealants

Sealants are to be an approved gun type for use in hand or air pressure caulking guns at temperatures above 4 degrees C 40 degrees F (or frost-free application at temperatures above minus 12 degrees C 10 degrees F) with a minimum solid content of 85 percent of the total volume. Sealant must dry with a tough, durable surface skin which permits it to remain soft and pliable underneath, providing a weather tight joint. No migratory staining, in conformance with to ASTM C792, is permitted on painted or unpainted metal, stone, glass, vinyl or wood.

Prime all joints to receive sealants with a compatible one-component or two-component primer as recommended by the roof panel manufacturer.

2.5.1.1 Shop Applied Sealants

Sealant for shop-applied caulking must be an approved gun grade, non-sag one-component polysulfide or silicone conforming to ASTM C792 and ASTM C920, Type II, with a curing time which ensures the sealants plasticity at the time of field erection. Color to match panel color.

2.5.1.2 Field Applied Sealants

Sealants for field-applied caulking must be an approved gun grade, non-sag on-component polysulfide or two component polyurethane with an initial

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SECTION 07 41 13 Page 22 maximum Shore A durometer hardness of 25, conforming to ASTM C920, Type

II. Color to match panel color.

2.5.1.3 Tape Sealants

Provide pressure sensitive, 100 percent solid tape sealant with a release paper backing; permanently elastic, non-sagging, non-toxic and non-staining as approved by the roof panel manufacturer.

2.5.2 Sheet Metal Flashing and Trim

2.5.2.1 Fabrication, General

Custom fabricate sheet metal flashing and trim to comply with recommendations within the SMACNA 1793 that apply to design, dimensions, metal type, and other characteristics of design indicated. Shop fabricate items to the greatest extent possible. Obtain and verify field measurements for accurate fit prior to shop fabrication. Fabricate flashing and trim without excessive oil canning, buckling, and tool marks, true to line and levels indicated, with exposed edges folded back to form hems.

2.5.2.2 Roof Drainage Sheet Metal Fabrications

Gutters: Fabricate to cross section indicated, with riveted and soldered joints, complete with end pieces, outlet tubes, and other special accessories as required. Fabricate in minimum 244 cm 96 inch long sections. Fabricate expansion joints and accessories from the same metal as gutters, unless otherwise indicated.

Downspouts: Fabricate downspouts to match existing to complete with mitered elbows. Furnish with metal hangars of same material as downspouts and anchors.

2.6 INSULATION

[2.6.1 Fire Rated Assembly System

Provide semi-rigid glass-fiber insulation board conforming to ASTM C553, Form A, Class 1, Class A fire-hazard classification with a minimum density of 24.8 kilogram per cubic meter and 38 millimeter 1.55 pounds per cubic foot (pcf) and 1-1/2 inches thick. Thermal conductivity (K) must not exceed

0.42 watt per meter per degree K 0.24.

]2.6.2 Fire Rated Roof Panel Assembly

Provide materials for fire-rated roof panel construction as follows:

Impaling clips, accessories, and fasteners must be UL listed 40 U18.24

UL Bld Mat Dir galvanized steel sheet or impaling bolts welded to each wall unit joint and spaced not more than 1200 millimeter 48 inches on center.

Provide bar subgirts 38 by 3 millimeter 1-1/2 by 1/8 inch galvanized steel with slotted holes for welding to end of impaling clip spikes.

Provide galvanized steel structural angles and flashing angles, gage or thickness as indicated, or material as specified. Flashing angles

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SECTION 07 41 13 Page 23 must be not less than 1.3 millimeter thick No. 18 U.S. standard gage.

[ Provide hot-dip galvanized steel metal facing conforming to ASTM

A653/A653M, Grade A. Coating must conform to, ASTM A653/A653M and ASTM

A924/A924M.

][Metal facing must be as indicated and fabricated of enamel-coated hot-dip galvanized steel conforming to ASTM A653/A653M, Grade A. Coating must conform to ASTM A653/A653M and ASTM A924/A924M. Provide Class

A fire hazard classification finish. Flame spread, fuel contributed, or smoke developed cannot exceed a value of 25.

] Submit fire rating test report to contracting officer for review and approval. Secure written approval prior to commencement of installation.

2.7 UNDERLAYMENTS

[2.7.1 Felt Underlayment

Provide No. 30 asphalt-saturated organic , non-perforated felt underlayment in compliance with ASTM D226/D226M, Type II, or

ASTM D4869/D4869M.

][2.7.2 Self-Adhering Modified Bitumen Underlayment

Provide self-adhering modified bitumen membrane underlayment material in compliance with ASTM D1970/D1970M, suitable for use as underlayment for metal roofing. Use membrane resistant to cyclical elevated temperatures for extended period of time in high heat service conditions. Provide membrane with integral non-tacking top surface of polyethylene film or other surface material to serve as separator between bituminous material and metal products to be applied above.

][2.7.3 EPDM Membrane

Ethylene Propylene Diene Terpolymer (EPDM), ASTM D4637/D4637M, Type I, non-reinforced, minimum 1.1 mm 0.045 inch thick.

][2.7.4 Slip Sheet

Provide 0.24 kg per square meter 5 pounds per 100 sf rosin sized unsaturated building paper for slip sheet.

]2.8 GASKETS AND SEALING/INSULATING COMPOUNDS

Gaskets and sealing/insulating compounds must be nonabsorptive and suitable for insulating contact points of incompatible materials.

Sealing/insulating compounds must be non-running after drying.

2.9 FINISH REPAIR MATERIAL

[ Repair paint for color finish enameled roofing must be compatible paint of the same formula and color as the specified finish furnished by the manufacturer.

][Only use repair and touch-up paint supplied by the roof panel manufacturer and is compatible with the specified system.

]PART 3 EXECUTION

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SECTION 07 41 13 Page 24

3.1 EXAMINATION

Examine substrates, areas, and conditions, with installer present, for compliance with requirements for installation tolerances, metal roof panel

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SECTION 07 41 13 Page 25 supports, and other conditions affecting performance of the work. Ensure surfaces are suitable, dry and free of defects and projections which might affect the installation.

Examine primary and secondary roof framing to verify that rafters, purlins, angels, channels, and other structural support members for panels and anchorages have been installed within alignment tolerances required by metal roof panel manufacturer, UL, ASTM, and ASCE 7 [ and applicable seismic] requirements.

Examine solid roof sheathing to verify that sheathing joints are supported by framing or blocking; and that installation is within flatness tolerances required by metal roof panel manufacturer.

Examine rough-in for components and systems penetrating metal roof panels to verify actual locations of penetrations relative to seam locations of panels prior to installation.

Submit a written report to the Contracting Officer, endorsed by the installer, listing conditions detrimental to the performance of the work.

Proceed with installation only after defects have been corrected.

3.2 INSTALLATION

Installation must meet specified requirements and be in accordance with the manufacturer's installation instructions and approved shop drawings. Do not install damaged materials. Dissimilar materials which are not compatible when contacting each other must be insulated by means of gaskets or sealing/insulating compounds. Keep all exposed surfaces and edges clean and free from sealant, metal cuttings, hazardous burrs, and other foreign material. Remove stained, discolored, or damaged materials from the site.

3.2.1 Preparation

Clean all substrate substances which may be harmful to [insulation,and

]roof panels including removing projections capable of interfering with with

[insulation, and ]roof panel attachment.

Install sub-purlins, eave angles, furring, and other miscellaneous roof panel support members and anchorage according to metal roof panel manufacturer's written instructions.

3.2.2 Underlayment

Install underlayment according to roof panel manufacturer's written recommendations and recommendation in NRCA "The NRCA Roofing and

Waterproofing Manual".

[3.2.2.1 Single Layer Felt Underlayment for a Standard Slope Roof Deck

Install single layer of felt underlayment on roof deck perpendicular to roof slope in parallel courses. Lap sides a minimum of 5.1 cm 2 inches over underlying course. Lap ends a minimum of 10.2 cm 4 inches. Stagger end laps between succeeding courses a minimum of 183 cm 72 inches. Fasten with felt underlayment roofing nails.

[ Install felt underlayment on roof deck not covered by self-adhering sheet

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SECTION 07 41 13 Page 26 underlayment. Lap sides of felt over self-adhering sheet underlayment not less than 7.62 cm 3 inches in a direction to shed water. Lap ends of felt not less than 15.3 cm 6 inches over self-adhering sheet underlayment.

]][3.2.2.2 Self-Adhering Sheet Underlayment

Install self-adhering sheet underlayment; wrinkle free on roof deck.

Comply with low-temperature installation restrictions of manufacturer where applicable. Install at locations indicated on project drawings, lapped in a direction to shed water. Lap sides not less than 8.9 cm 3-1/2 inches.

Lap ends not less than 15.3 cm 6 inches staggered 61 cm 24 inches between courses. Roll laps with roller. Cover underlayment within seven days.

][3.2.2.3 Slip Sheet

PROTECTION OF APPLIED MATERIALS

Do not permit storing, walking, wheeling, and trucking directly on applied roofing/insulation materials. Provide temporary walkways, runways, and platforms of smooth clean boards or planks as necessary to avoid damage to applied roofing/insulation materials, and to distribute weight to conform to indicated live load limits of roof construction.

3.4 FASTENER INSTALLATION

Anchor metal roof panels and other components of the Work securely in place, using approved fasteners according to manufacturer's written instructions.

3.5.1 Welding

Procedures for manual, shielded metal-arc welding, the appearance and quality of welds made, and the methods used in correcting welding work must be in accordance with AWS D1.1/D1.1M.

3.6 FLASHING, TRIM, AND CLOSURE INSTALLATION

3.6.1 General Requirements

Comply with performance requirements, manufacturer's written installation instructions, and SMACNA 1793. Provide concealed fasteners where possible.

Set units true to line and level as indicated. Install work with laps, joints, and seams that will be permanently water tight and weather resistant. Work is to be accomplished to form weather tight construction without waves, warps, buckles, fastening stresses or distortion, and to allow for expansion and contraction. Cutting, fitting, drilling, and other operations in connection with sheet metal required to accomplish the work must conform to the manufacturers written instructions.

3.6.2 Metal Flashing

Install exposed metal flashing at building corners, rakes, eaves, junctions between metal siding and roofing, valleys and changes off slope or direction in metal roofing, building expansion joints and gutters.

Exposed metal flashing must be the same material, color, and finish as the specified metal roofing panels. Furnish flashing in minimum 2.44 m 8 foot lengths. Exposed flashing must have 1 inch locked and blind soldered end joints, with expansion joints at intervals of no greater than 4.88 m 16 feet.

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SECTION 07 41 13 Page 27

Fasten flashing at not more than 8 inches on center for roofs, except where flashing is held in place by the same screws used to secure panels.

Exposed flashing and flashing subject to rain penetration must be bedded in specified joint sealant. Flashing which is contact with dissimilar metals must be isolated by means of the specified asphalt mastic material to prevent electrolytic deterioration.

Form drips to the profile indicated, with the edge folded back 1.27 cm 1/2 inch to form a reinforced drip edge.

3.7 ROOF PANEL INSTALLATION

Provide metal roof panels of full length from eave to ridge or eave to wall as indicated, unless otherwise indicated or restricted by shipping

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SECTION 07 41 13 Page 28 limitations. Anchor metal roof panels or other components of the Work securely in place, with provisions for thermal and structural movement in accordance with NRCA 0420.

[ Steel Roof Panels: Use stainless steel fasteners for exterior surfaces and galvanized fasteners for unexposed surfaces.

][ Aluminum Roof Panels: Use aluminum or stainless steel fasteners for surfaces exposed to the exterior and aluminum or galvanized steel fasteners for unexposed surfaces.

] Anchor Clips: Anchor metal roof panels and other components of the

Work securely in place, using approved fasteners according to manufacturer's written instructions. Provide all blocking and nailers as required.

Metal Protection: Where dissimilar metals contact each other or possibly corrosive substrates, protect against galvanic action by

[coating contact surfaces with a bituminous coating][applying rubberized asphalt underlayment to each contact surface][permanent separation as recommended by the metal roof panel manufacturer].

Joint Sealers: Install gaskets, joint fillers, and sealants where indicated and required for weatherproof performance of metal roof panel system. Provide types of gaskets, fillers, and sealants indicated or, if not indicated, types recommended by metal roof panel manufacturer.

3.7.1 Handling and Erection

Erect roofing system in accordance with the approved erection drawings, printed instructions and safety precautions of the manufacturer.

Do not subject panels to overloading, abuse, or undue impact. Do not apply bent, chipped, or defective panels. Damaged panels must be replaced and removed from the site at the contractors expense. Erect panels true, plumb, and in exact alignment with the horizontal and vertical edges of the building, securely anchored, and with indicated rake, eave, and curb overhang. Allow for thermal movement of the roofing, movement of the building structure, and provide permanent freedom from noise due to wind pressure.

Do not permit storage, walking, wheeling or trucking directly on applied roofing materials. Provide temporary walkways, runways, and platforms of smooth clean boards or planks as necessary to avoid damage to the installed roofing materials, and to distribute weight to conform to the indicated live load limits of the roof construction.

Roof panels must be laid with corrugations in the direction of the roof slope. End laps of exterior roofing must not be less than 20.3 cm 8 inches;

side laps of standard exterior corrugated panels must not be less than

2-1/2 corrugations.

Field cutting of metal roof panels by torch is not permitted. Field cut only as recommended by manufacturer's written instructions.

3.7.2 Closure Strips

Install metal closure strips at open ends of metal ridge rolls; open ends of corrugated or ribbed pattern roofs, and at intersection of wall and

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SECTION 07 41 13 Page 29 roof, unless open ends are concealed with formed eave flashing; rake of metal roof unless open end has a formed flashing member; and in other required areas.

Install closure strips at intersection of the wall with metal roofing; top and bottom of metal siding; heads of wall openings; and in other required locations.

3.7.3 Workmanship

Make lines, arises, and angles sharp and true. Free exposed surfaces from any visible wave, warp, buckle and tool marks. Fold back exposed edges neatly to form a 1.27 cm 1/2 inch hem on the concealed side. Make sheet metal exposed to the weather watertight with provisions for expansion and contraction.

Make surfaces to receive sheet metal plumb and true, clean, even, smooth, dry, and free of defects and projections which might affect the application. For installation of items not shown in detail or not covered by specifications conform to the applicable requirements of SMACNA 1793.

Provide sheet metal flashing in the angles formed where roof decks abut walls, curbs, ventilators, pipes, or other vertical surfaces and wherever indicated and as necessary to make the work watertight.

3.8 ACCEPTANCE PROVISIONS

3.8.1 Erection Tolerances

Erect metal roofing straight and true with plumb vertical lines correctly lapped and secured in accordance with the manufacturer's written instructions. Horizontal lines must not vary more than .32 cm in 12.2 m

1/8 inch in 40 feet.

3.8.2 Leakage Tests

Finished application of metal roofing is to be subject to inspection and test for leakage by the Contracting Officer or his designated representative, and Architect/Engineer. Inspection and tests will be conducted without cost to the Government.

Inspection and testing is to be made promptly after erection to permit correction of defects and removal/replacement of defective materials.

3.8.3 Repairs to Finish

Scratches, abrasions, and minor surface defects of finish may be repaired with the specified repair materials and as recommended by the metal roof panel manufacturer. Finished repaired surfaces must be uniform and free from variations of color and surface texture. Repaired metal surfaces that are not acceptable to the project requirements are to be immediately removed and replaced with new material.

3.8.4 Paint Finished Metal Roofing

Paint finished metal roofing will be tested for color stability by the

Contracting Officer during the manufacturer's specified guarantee period.

Panels that indicate color changes, fading, or surface degradation, determined by visual examination, must be removed and replaced with new panels at no expense to the Government. New panels will be subject to the

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3.9 CLEAN UP AND DISPOSAL

Clean exposed sheet metal work at completion of installation. Remove metal shavings, filings, nails, bolts, and wires from roofs. Remove grease and oil films, excess sealants, handling marks, contamination from steel wool, fittings and drilling debris and scrub the work clean. Exposed metal surfaces must be free of dents, creases, waves, scratch marks, solder or weld marks, and damage to the finish coating. Touch up scratches in panel finish with manufacturer supplied touch-up paint system to match panel finish. Treat exposed cut edges with manufacturer supplied clear coat

Collect all scrap/waste materials and place in containers. Promptly dispose of demolished and scrap materials. Do not allow scrap/waste materials to accumulate on-site; transport immediately from the government property and legally dispose of them.

3.10 FIELD QUALITY CONTROL

[3.10.1 Manufacturer's Inspection

Manufacturer's technical representative must visit the site a minimum of

Once a week during installation during the installation for purposes of reviewing materials installation practices and adequacy of work in place.[ Make inspections during the first 20 squares of roof panel installation, at mid-point of the installation, and at substantial completion, at a minimum. Additional inspections are required for each 100 squares of total roof area with the exception that follow-up inspections of previously noted deficiencies or application errors must be performed as requested by the Contracting Officer.] After each inspection, submit a report, signed by the manufacturer's technical representative to the

Contracting Officer within 3 working days. Note in the report overall quality of work, deficiencies and any other concerns, and recommended corrective action.

Submit three signed copies of the manufacturer's field inspection reports to the Contracting Officer within one week of substantial completion.

]3.11 INFORMATION CARD

For each roof, furnish a typewritten information card for facility records

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SECTION 07 41 13 Page 31 and a card laminated in plastic and framed for interior display at roof access point, or a photoengraved 1 mm 0.032 inch thick aluminum card for exterior display. Format as directed in paragraph FORM ONE.

Make card 215 mm by 275 mm 8 1/2 by 11 inches minimum. Information card must identify facility name and number; location; contract number;

approximate roof area; detailed roof system description, including deck type, roof panel manufacturer and product name, type underlayment(s), date of completion; installing contractor identification and contact information; manufacturer warranty expiration, warranty reference number, and contact information. Install card at [interior roof top access point][location as directed by the Contracting Officer] and provide a paper copy to the Contracting Officer.

3.11.1 Form One

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SECTION 07 41 13 Page 32

FORM 1 - PREFORMED [STEEL][ALUMINUM] PANEL ROOFING SYSTEM AND COMPONENTS

1. Contract Number:

2. Building Number & Location:

3. NAVFAC Specification Number:

4. Deck/Substrate Type:

5. Slopes of Deck/Roof Structure:

6. Insulation Type & Thickness:

7. Insulation Manufacturer:

8. Vapor Retarder: ( )Yes ( )No

9. Vapor Retarder Type:

10. Preformed Steel Standing Seam Roofing Description:

a. Manufacturer (Name, Address, & Phone No.):

b. Product Name: c.