Lebanon NC Combined Specifications 2 of 2.pdf

BD Submittal Project No. 856CM3012

Lebanon National Cemetery 19 July 2024

FCA Deficiencies

HISTORIC DECORATIVE METAL CLEANING

05 03 71 - 1

SECTION 05 03 71

HISTORIC DECORATIVE METAL CLEANING

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes historic treatment of decorative metal in the form of cleaning as follows:

1. Cleaning metal.

2. Removing paint.

3. Removing corrosion.

4. Priming for repainting.

B. Related Requirements:

1. Section 013591 "Historic Treatment Procedures" for general historic treatment requirements.

1.2

DEFINITIONS

A. Low-Pressure Spray:

1. Pressure: 100 to 400 (690 to 2750) psi (kPa).

2. Flow Rate: 4 to 6 (0.25 to 0.4) gpm (L/s).

B. Medium-Pressure Spray:

1. Pressure: 400 to 800 (2750 to 5510) psi (kPa).

2. Flow Rate: 4 to 6 (0.25 to 0.4) gpm (L/s).

1.3

PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1.4

ACTION SUBMITTALS

A. Product Data: For each type of product.

1.5 QUALITY ASSURANCE

A. Historic Treatment Specialist Qualifications: A qualified historic decorative metal cleaning specialist. Cleaning specialist shall be experienced in using mechanical and chemical methods on the types of metal surfaces indicated.

B. Mockups: Prepare mockups of historic treatment cleaning processes on existing surfaces to demonstrate aesthetic effects and to set quality standards for materials and execution. Prepare mockups so they are inconspicuous.

1. Cleaning: Prepare an area approximately 2 sq. ft. (0.2 sq.

m) for each process on each type of metal indicated for

05 03 71 - 2 treatment.

PART 2 - PRODUCTS

2.1 CLEANING MATERIALS

A. Water: Potable.

B. Detergent Solution, Job Mixed: Solution prepared by mixing 2 cups

(0.5 L) of tetrasodium pyrophosphate (TSPP), 1/2 cup (125 mL) of laundry detergent, and 20 quarts (20 L) of hot water for every 5 gal. (20 L) of solution required.

C. Nonacidic Liquid Chemical Cleaner: Manufacturer's standard mildly alkaline liquid cleaner, formulated for removing organic soiling from ordinary building materials including polished stone, brick, copper, brass, bronze, aluminum, stainless steel, plastics, wood, and glass.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. American Building Restoration Products, Inc.

b. Cathedral Stone Products, Inc.

c. PROSOCO, Inc.

D. Abrasive Materials:

1. Abrasives for Ferrous Metal Cleaning: Aluminum oxide paper, emery paper, fine steel wool, steel scrapers, and steel-wire brushes of various sizes.

E. Rust Remover: Manufacturer's standard phosphoric acid-based gel formulation, also called "naval jelly," for removing corrosion from iron and steel.

2.2 PAINT REMOVERS

A. Low-Odor, Solvent-Type Paste Paint Remover: Manufacturer's standard low-odor, water- rinsable, solvent-type paste, gel, or foamed emulsion formulation for removing paint from metals; and containing no methanol or methylene chloride.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. American Building Restoration Products, Inc.

b. Diedrich Technologies, Inc.; a Hohmann & Barnard company.

c. EaCo Chem, Inc.

d. PROSOCO, Inc.

2.3 FERROUS METAL PRIMERS

A. Repair Primer: Manufacturer's standard, rust-inhibiting, fast-curing, lead- and chromate-free, universal primer, compatible with firmly adhered existing paint and applied finish. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry-film thickness.

B. Finish Primer: Primer complying with applicable requirements in http://www.specagent.com/Lookup?ulid=9148 http://www.specagent.com/Lookup?uid=123457103371 http://www.specagent.com/Lookup?uid=123457103372 http://www.specagent.com/Lookup?uid=123457103370 http://www.specagent.com/Lookup?ulid=9152 http://www.specagent.com/Lookup?uid=123457103379 http://www.specagent.com/Lookup?uid=123457109218 http://www.specagent.com/Lookup?uid=123457109218 http://www.specagent.com/Lookup?uid=123457103382 http://www.specagent.com/Lookup?uid=123457103383

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Section 090391 "Historic Treatment of Plain Painting" for finish painting of primed historic metal.

PART 3 - EXECUTION

3.1 HISTORIC DECORATIVE METAL CLEANING, GENERAL

A. Execution of the Work: In cleaning historic items, disturb them as minimally as possible and as follows:

1. Remove deteriorated coatings and corrosion.

2. Sequence work to minimize time before protective coatings are reapplied.

3. Clean items in place unless otherwise indicated.

B. Mechanical Coating Removal: Use most gentle mechanical methods, such as scraping and wire brushing, that will not abrade metal substrate. Do not use abrasive methods such as sanding or power tools except as indicated as part of the historic treatment program and approved by Architect.

C. Repaint: Where indicated, prepare painted decorative metal by cleaning surface, removing less than firmly adhered existing paint, sanding edges smooth, and priming for painting as specified.

3.2 CLEANING

A. Use only those methods indicated for each type of decorative metal and its location.

1. Brushes: If using wire brushes, use brushes of same base metal composition as metal being treated. Use brushes that are resistant to chemicals being used.

2. Spray Equipment: Use spray equipment that provides controlled application at volume and pressure indicated, measured at nozzle. Adjust pressure and volume to ensure that spray methods do not damage surfaces.

a. Equip units with pressure gages.

b. For chemical-cleaner spray application, use low-pressure tank or chemical pump suitable for chemical cleaner indicated, equipped with nozzle having a cone- shaped spray.

c. For water-spray application, use fan-shaped spray that disperses water at an angle of 25 to 50 degrees.

3. Uniformity: Perform each cleaning method in a manner that results in uniform coverage of all surfaces, including corners, contours, and interstices, and that produces an even effect without streaks or damaging surfaces.

B. Water Cleaning: Clean with cold water applied by low-pressure spray. Supplement with natural- fiber or plastic bristle brush.

Use small brushes to remove soil from joints and crevices.

C. Detergent Cleaning:

1. Wet surface with cold water applied by low-pressure spray.

2. Scrub surface with detergent solution and natural-fiber or

05 03 71 - 4 plastic bristle brush until soil is thoroughly dislodged and can be removed by rinsing. Use small brushes to remove soil from joints and crevices. Dip brush in solution often to ensure that adequate fresh detergent is used and that surface remains wet.

3. Rinse with cold water applied by low-pressure spray to remove detergent solution and soil.

4. Repeat cleaning procedure where needed if required to produce cleaning effect established by mockup.

D. Nonacidic Liquid Chemical Cleaning: Apply chemical cleaner to surfaces according to chemical-cleaner manufacturer's written instructions.

1. Wet surface with cold water applied by low-pressure spray.

2. Apply cleaner to surface by brush[ or low-pressure spray.

3. Let cleaner remain on surface for period recommended in writing by chemical-cleaner manufacturer or as established by mockup

4. Non-Ferrous Metals: Rinse with cold water applied by medium-pressure spray to remove chemicals and soil.

5. Ferrous Metals: Do not rinse ferrous metals with water;

neutralize chemical cleaner on ferrous metals as recommended in writing by manufacturer. Dry immediately with clean soft cloths. Follow direction of grain in metal.

6. Repeat cleaning procedure where needed if required to produce cleaning effect established by mockup. Do not repeat more than once.

E. Cleaning with Abrasive Pads: Clean surfaces to remove dirt by rubbing with abrasive pads and water. Do not rinse ferrous metals with water; wipe with damp cloths to remove residue.

F. Chemical Rust Removal:

1. Remove loose rust scale with approved abrasives for ferrous metal cleaning.

2. Apply rust remover with brushes or as recommended in writing by manufacturer.

3. Allow rust remover to remain on surface for period recommended in writing by manufacturer or as determined by testing. Do not allow extended dwell time.

4. Wipe off residue with mineral spirits and either steel wool or soft rags, or clean with method recommended in writing by manufacturer to remove residue.

5. Dry immediately with clean, soft cloths. Follow direction of grain in metal.

6. Prime immediately to prevent rust. Do not touch cleaned metal surface until primed.

3.3 PAINT REMOVAL

A. Use only those paint-removal methods indicated for each type of decorative metal.

1. Application: Apply paint removers according to paint-remover

05 03 71 - 5 manufacturer's written instructions. Do not allow paint removers to remain on surface for periods longer than those indicated or recommended in writing by manufacturer.

2. Brushes: If using wire brushes, use brushes of same base metal composition as metal being treated. Use brushes that are resistant to chemicals being used.

3. Spray Equipment: Use spray equipment that provides controlled application at volume and pressure indicated, measured at nozzle. Adjust pressure and volume to ensure that spray methods do not damage surfaces.

a. Equip units with pressure gages.

b. Unless otherwise indicated, hold spray nozzle at least 6 inches (152 mm) from surface and apply material in horizontal, back-and-forth sweeping motion, overlapping previous strokes to produce uniform coverage.

c. For chemical spray application, use low-pressure tank or chemical pump suitable for chemical indicated, equipped with cone-shaped spray.

d. For water-spray application, use fan-shaped spray that disperses water at an angle of 25 to 50 degrees.

B. Paint Removal with Solvent-Type Paste Paint Remover:

1. Remove loose and peeling paint using water, scrapers, stiff brushes, or a combination of these. Let surface dry thoroughly.

2. Apply thick coating of paint remover to painted decorative metal with natural-fiber cleaning brush, deep-nap roller, or large paint brush. Apply in one or two coats according to manufacturer's written instructions.

3. Allow paint remover to remain on surface for period recommended in writing by manufacturer or as determined by testing.

4. Rinse with cold water applied by low-pressure spray to remove chemicals and paint residue.

5. Use mechanical methods recommended in writing by manufacturer to remove chemicals and paint residue.

6. Repeat process if necessary to remove all paint.

3.4 PRIMING

A. Repair Primer: Apply immediately after completing a repair.

B. Finish Primer: Apply as soon after cleaning as possible.

C.

- - - E N D - - -

HISTORIC DECORATIVE METAL REPAIR

05 03 72 - 1

SECTION 05 03 72

HISTORIC DECORATIVE METAL REPAIR

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Historic treatment of decorative metal in the form of repair as follows:

a. Repairing metals other than cast iron and replacing damaged and missing components in place.

b. Removing and dismantling metal for shop repair and replacement of components; reinstalling repaired metal.

B. Related Requirements:

1. Section 013591 "Historic Treatment Procedures" for general historic treatment requirements.

1.2

DEFINITIONS

A. Low-Pressure Spray: 100 to 400 psi (690 to 2750 kPa); 4 to 6 gpm (0.25 to 0.4 L/s).

B. Medium-Pressure Spray: 400 to 800 psi (2750 to 5510 kPa); 4 to 6 gpm (0.25 to 0.4 L/s)

1.3

PREINSTALLATION MEETINGS

1. Review methods and procedures related to historic decorative metal repair.

1.4 ACTION SUBMITTALS

B. Shop Drawings:

1. Include plans, elevations, and sections showing locations and extent of repair and replacement work, with enlarged details of replacement parts indicating materials, profiles, methods of attachment, accessory items, and finishes.

C. Samples: For each exposed product and for each color and texture specified.

1.5 QUALITY ASSURANCE

A. Historic Treatment Specialist Qualifications: A qualified historic decorative metal repair specialist. Experience installing and finishing new decorative metal work is insufficient experience for decorative metal historic treatment work.

B. Mockups: Prepare mockups of historic treatment repair processes to demonstrate aesthetic effects and to set quality standards for materials and execution and for fabrication and installation.

Prepare mockups so they are inconspicuous.

05 03 72 - 2

PART 2 - PRODUCTS

2.1 METAL MATERIALS

A. Provide metal materials made of the alloys, forms, and types that match existing metals and have the ability to receive finishes matching existing finishes unless otherwise indicated.

2.2 PREPARATORY CLEANING MATERIALS

A. Water: Potable.

B. Detergent Solution, Job Mixed: Solution prepared by mixing 2 cups

(0.5 L) of tetrasodium pyrophosphate (TSPP), 1/2 cup (125 mL) of laundry detergent, and 20 quarts (20 L) of hot water for every 5 gal. (20 L) of solution required.

C. Abrasive Materials:

1. Abrasive Pads: Non-scratch, of the following types:

a. Abrasive Pad with Sponge: Combination plastic abrasive pad, consisting of a sponge enclosed with a woven urethane, polypropylene, or other plastic mesh or fabric, without other abrasive components that can scratch metal.

b. Abrasive Pad of Plant Fibers: Agave, loofa, or another tough plant fiber, without other abrasive components that can scratch metal.

2. Medium Abrasives for Ferrous Metals: Aluminum oxide paper, emery paper, fine steel wool, steel scrapers, and steel-wire brushes of various sizes.

3. Medium Abrasives for Copper Alloys: Extra fine bronze wool or plastic abrasive pads.

D. Wash Cloths: Lint-free, absorbent, durable cloth without abrasives that can scratch metal.

E. Rust Remover: Manufacturer's standard phosphoric acid-based gel formulation, also called "naval jelly," for removing corrosion from iron and steel.

2.3 FASTENERS

A. Fasteners: Fasteners of the same basic metal as fastened metal unless otherwise indicated. Use metals that are noncorrosive and compatible with each metal joined.

1. Match existing fasteners in material and in type of fastener unless otherwise indicated.

2. Use concealed fasteners for interconnecting decorative metal components and for attaching them to other work unless exposed fasteners are unavoidable or the existing fastening method.

3. For exposed fasteners, use Phillips-type machine screws of head profile flush with metal surface unless otherwise indicated or another head is required to match the existing fastening method as determined by Architect.

4. Finish heads of exposed fasteners to match finish of metal fastened unless otherwise indicated.

2.4 ACCESSORIES

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A. Metal-Patching Compound: Two-part, epoxy- or polyester-resin, metal-patching compound; knife-grade formulation as recommended in writing by manufacturer for type of metal repair indicated, tooling time required for the detail of work, and site conditions.

Compound shall be produced for filling metal that has deteriorated because of corrosion or deformation. Filler shall be capable of filling deep holes and spreading to feather edge.

B. Brazing Rods for Copper Alloys: Type and alloy as recommended in writing by brazing-rod manufacturer and as required for color match, strength, and compatibility in fabricated items.

C. Welding Electrodes and Filler Metal: Select according to AWS specifications for metal alloy welded; use metal type and alloy as required for color match, strength, and compatibility in fabricated items.

D. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive, nongaseous grout complying with ASTM C1107/C1107M.

Provide grout specifically recommended in writing by manufacturer for interior and exterior applications.

E. Bituminous Paint: Cold-applied asphalt emulsion complying with

ASTM D1187/D1187M.

2.5 METAL FABRICATION

A. Custom fabricate repairs of decorative metal items and components in sizes and profiles to match existing decorative metal unless otherwise indicated, with accurate curves, lines, and angles. Mill joints to a tight, hairline fit. Form assemblies and joints exposed to weather to resist water penetration and retention.

B. Provide rebates, lugs, and brackets necessary to assemble components and to attach to existing work. Drill and tap for fasteners. Use concealed fasteners where possible; use exposed fasteners to match existing work.

C. Comply with AWS for recommended practices in welding and brazing.

Provide welds and brazes behind finished surfaces without distorting or discoloring exposed side. Clean exposed welded and brazed joints of flux, and dress exposed and contact surfaces.

D. Castings: Fabricate castings free of warp, cracks, blowholes, or other defects that impair strength or appearance. Grind, wire brush, sandblast, and buff castings to remove seams, gate marks, casting flash, and other casting marks.

1. Finish castings to match existing decorative metal work.

2.6 FERROUS METAL FINISHES

A. Repair Primer: Manufacturer's standard, rust-inhibiting, fast-curing, lead- and chromate-free universal primer, compatible with firmly adhered existing paint and applied finish. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry film thickness.

B. Finish Primer: Primer complying with applicable requirements in

Section 090391 "Historic Treatment of Plain Painting" for finish

05 03 72 - 4 painting of primed metal.

PART 3 - EXECUTION

3.1 HISTORIC DECORATIVE METAL REPAIR, GENERAL

A. Execution of the Work: In repairing historic items, disturb remaining existing work as minimally as possible and as follows:

1. Stabilize decorative metal to reestablish structural integrity and weather resistance while maintaining the existing form of each item.

2. Remove deteriorated coatings and corrosion.

3. Sequence work to minimize time before protective coatings are reapplied.

4. Repair items where stabilization is insufficient to stop progress of deterioration.

5. Repair items in place unless otherwise indicated and retain as much original material as possible.

6. Replace or reproduce historic items where indicated or scheduled.

7. Make historic treatment of materials reversible whenever possible.

8. Install temporary protective measures to stabilize decorative metal that is indicated to be repaired later.

B. Mechanical Coating Removal: Use gentlest mechanical methods, such as scraping and wire brushing, that do not abrade metal substrate.

Do not use abrasive methods, such as sanding, or power tools except as approved by Architect.

C. Repairing Decorative Metal Items: Match existing materials and features, retaining as much original material as possible to complete the repair.

D. Replacing Decorative Metal Components: Where indicated, duplicate and replace items with new metal matching existing metal.

1. Replace heavily deteriorated or missing parts or features of decorative metal with compatible materials, using surviving prototypes to create patterns or molds for duplicate replacements.

3.2 PREPARATORY CLEANING

A. Perform preparatory cleaning before performing repair work. Use only those methods indicated for each type of decorative metal and its location.

1. Brushes: If using wire brushes, use brushes of same base metal composition as metal being treated. Use brushes that are resistant to chemicals being used.

2. Spray Equipment: Use spray equipment that provides controlled application at volume and pressure indicated, measured at nozzle. Adjust pressure and volume to ensure that spray methods do not damage surfaces.

3. Uniformity: Perform each cleaning method in a manner that

05 03 72 - 5 results in uniform coverage of all surfaces, including corners, contours, and interstices, and that produces an even effect without streaks or damaging surfaces.

B. Water Cleaning: Clean with cold water applied with low-pressure spray. Supplement with natural-fiber or plastic bristle brush and abrasive pads. Use small brushes to remove soil and loose paint from joints and crevices.

C. Detergent Cleaning:

1. Wet surface with cold water applied with low-pressure spray.

2. Scrub surface with detergent solution and natural-fiber or plastic bristle brush and abrasive pads until soil is thoroughly dislodged and can be removed by rinsing. Use small brushes to remove soil from joints and crevices. Dip brush in solution often to ensure that adequate fresh detergent is used and that surface remains wet.

3. Rinse with cold water applied with low-pressure spray to remove detergent solution and soil.

D. Mechanical Rust Removal:

1. Remove rust with approved, medium abrasives for ferrous metals.

2. Wipe off residue with mineral spirits and either steel wool or soft rags.

3. Dry immediately with clean, soft cloths. Follow direction of grain in metal.

4. Prime immediately to prevent rust. Do not touch cleaned metal surface until primed.

3.3 DISMANTLING, REPAIR, AND INSTALLATION

A. Repair decorative metal in place insofar as practicable, unless otherwise indicated. Where necessary, dismantle components from their substrate and repair and reinstall them.

B. Installation:

1. Locate and place decorative metal iron items level and plumb and in alignment with adjacent construction.

a. Do not cut or abrade finishes that cannot be completely restored in the field. Return items with such finishes to the shop for required alterations, followed by complete refinishing, or provide new units as required.

2. Use concealed anchorages where possible, unless otherwise indicated.

3. Form tight joints with exposed connections accurately fitted together.

4. Install concealed joint fillers, sealants, and flashings, as the Work progresses, to make exterior items weatherproof.

5. Corrosion Protection: Apply bituminous paint or other permanent separation materials on concealed surfaces where metals would otherwise be in direct contact with substrate materials that are incompatible or could result in corrosion

05 03 72 - 6 or deterioration of either material or finish.

6. Touch Up: At completion of installation, touch up and restore damaged or defaced finish surfaces and fastener heads.

C. Reinstalling Railing Posts: After posts have been inserted into sleeves, fill annular space between post and sleeve with nonshrink, nonmetallic grout, mixed and placed to comply with anchoring material manufacturer's written instructions. Leave anchorage joint exposed, wipe off surplus anchoring material, and leave 1/8-inch (3-mm) buildup sloped away from post.

D. Sealant: See Section 079200 "Joint Sealants."

3.4 FILLING DEFECTS IN PAINTED SURFACES

A. Repair non-load-bearing defects in existing metal surfaces, including dents and gouges more than 1/8 inch (3 mm) deep or 1 inch (25 mm) across and all holes and tears by filling with metal-patching compound. Remove burrs. Prime iron and steel surfaces immediately after repair to prevent flash rusting.

3.5 PRIMING

A. Repair Primer: Apply immediately after completing a repair.

B. Finish Primer: Apply as soon after cleaning as possible.

3.6 HISTORIC DECORATIVE METAL REPAIR SCHEDULE

A. Treatment of Decorative Railing [DMR-1] <Insert drawing designation>: Steel railing and gate.

1. Perform work [in the shop] [or] [in the field].

2. Paint Removal: As specified in Section 050371 "Historic

Decorative Metal Cleaning."

a. Repairs: Repair railing and replace missing components with hand-worked steel bars.

b. Painted Finish: As specified in Section 090391 "Historic

Treatment of Plain Painting."

c. Baked-Enamel or Powder-Coat Finish: Color to match existing

B. Treatment of Decorative gutters and downspouts [DMRH-1] <Insert drawing designation>:

1. Replace broken gutters and downspouts components and repaint.

2. Repair gutters and downspouts and replace missing or damaged components with same material.

3. Paint Removal: As specified in Section 050371 "Historic

Decorative Metal Cleaning."

a. Finish: Paint as specified in Section 090391 "Historic

Treatment of Plain Painting."

b. Color: To match existing

c. Aluminum Finish: [Light bronze anodized] [Medium bronze anodized] [Dark bronze anodized] [Anodized color matching design reference sample] [Anodized color matching

Architect's sample] [Anodized color as selected by

05 03 72 - 7

Architect from full range of industry colors and color densities] <Insert color>.

d. Baked-Enamel or Powder-Coat Finish: To match existing

METAL FABRICATIONS

05 50 00 - 1

SECTION 05 50 00

METAL FABRICATIONS

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section specifies items and assemblies fabricated from structural steel shapes and other materials as shown and specified.

B. Items specified:

1. Support for wall and ceiling mounted items.

2. Loose Lintels.

3. Railings.

4. Plate Door Sill.

1.2 SUBMITTALS

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

B. Shop Drawings:

1. Indicate each item specified, showing complete detail, location in the project, material and size of components, method of joining various components and assemblies, finish, and location, size and type of anchors.

2. Mark items requiring field assembly for erection identification and furnish erection drawings and instructions.

3. Provide templates and rough-in measurements as required.

C. Manufacturer's Certificates:

1. Anodized finish as specified.

2. Live load designs as specified.

D. Submit Design Calculations for specified live loads including dead loads prepared by professional engineer licensed in the location of their practice.

E. Furnish setting drawings and instructions for installation of anchors to be preset into concrete and masonry work, and for the positioning of items having anchors to be built into concrete or masonry construction.

1.3 QUALITY ASSURANCE

A. Each manufactured product must meet or exceed the requirements specified, and be a standard commercial product of a manufacturer regularly presently manufacturing items of type specified.

B. Each product type to be the same and be made by the same manufacturer.

05 50 00 - 2

C. Assembled product to the greatest extent possible before delivery to the site.

D. Include additional features, which are not specifically prohibited by this specification, but which are a part of the manufacturer's standard commercial product.

1.4 APPLICABLE PUBLICATIONS

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

B. American Society of Mechanical Engineers (ASME):

B18.6.1.................Wood Screws

B18.2.2.................Nuts for General Applications

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

A36/A36M................Carbon Structural Steel

A123/A123M..............Zinc (Hot-Dip Galvanized) Coatings on Iron and

Steel Products

A30.....................Carbon Steel Bolts, Studs, and Threaded Rod

60,000 PSI Tensile Strength

A500/A500M..............Cold-Formed Welded and Seamless Carbon Steel

Structural Tubing in Rounds and Shapes

A653/A653M..............Steel Sheet, Zinc Coated (Galvanized) or Zinc-

Iron Alloy Coated (Galvannealed) by the Hot-Dip

Process

C1107/C1107M............Packaged Dry, Hydraulic-Cement Grout

(Nonshrink)

E488....................Strength of Anchors in Concrete Elements

F436....................Hardened Steel Washers

D. American Welding Society (AWS):

D1.1/D1.1M..............Structural Welding Code Steel

D1.2/D1.2M..............Structural Welding Code Aluminum

D1.3/D1.3M..............Structural Welding Code Sheet Steel

E. National Association of Architectural Metal Manufacturers (NAAMM):

AMP 500-06..............Metal Finishes Manual

F. Structural Steel Painting Council (SSPC):

SSPC-SP 1...............Solvent Cleaning

05 50 00 - 3

SSPC-SP 2...............Hand Tool Cleaning

SSPC-SP 3...............Power Tool Cleaning

PART 2 - PRODUCTS

2.1 MATERIALS

A. Structural Steel: ASTM A36.

B. Structural Tubing: ASTM A500.

C. Primer Paint: As specified in Section 09 91 00, PAINTING.

D. Grout: ASTM C1107, pourable type.

2.2 HARDWARE

A. Rough Hardware:

1. Furnish rough hardware with a standard plating, applied after punching, forming and assembly of parts; galvanized, cadmium plated, or zinc-coated by electro-galvanizing process. Galvanized G-90 where specified.

2. Use G90 galvanized coating on ferrous metal for exterior work unless non-ferrous metal is used.

B. Anchor Bolts: ASTM A307; same material, color, and finish as the metal to which applied when exposed.

C. Expansion and Sleeve Anchors: Design values listed must be as tested according to ASTM E488.

D. Lag Screws and Bolts: ASME B18.2.1, type and grade best suited for the purpose.

E. Toggle Bolts: ASME B18.2.1.

F. Bolts, Nuts, Studs and Rivets: ASME B18.2.2 or ASTM A307.

G. Washers: ASTM F436, type to suit material and anchorage.

2.3 FABRICATION

A. General:

1. Provide for items that do not form a part of the structural steel framework, such as lintels, sill angles, and miscellaneous mountings and frames.

2. Provide lintels fabricated from structural steel shapes over openings in masonry walls and partitions as required to support wall loads over openings

3. Construct to have at least 200 mm (8 inches) bearing on masonry at each end.

4. Provide angles and plates, ASTM A36, for embedment as indicated.

05 50 00 - 4

5. Galvanize embedded items exposed to the elements according to ASTM

A123.

B. Material:

1. Use material as specified. Use material of commercial quality and suitable for intended purpose for material that is not named or its standard of quality not specified.

2. Use material free of defects which could affect the appearance or service ability of the finished product.

C. Size:

1. Size and thickness of members as shown.

D. Connections:

1. Except as otherwise specified, connections may be made by welding, riveting or bolting.

2. Field riveting will not be approved.

3. Design size, number and placement of fasteners, to develop a joint strength of not less than the design value.

4. Holes, for rivets and bolts: Accurately punch or drill; burrs removed.

5. Size and shape welds to develop the full design strength of the parts connected by welds and to transmit imposed stresses without permanent deformation or failure when subject to service loadings.

6. Use rivets and bolts of material selected to prevent corrosion

(electrolysis) at bimetallic contacts. Plated or coated material will not be approved.

7. Use stainless steel connectors for removable member’s machine screws or bolts.

E. Fasteners and Anchors:

1. Use methods for fastening or anchoring metal fabrications to building construction as shown or specified.

2. Where fasteners and anchors are not shown, design the type, size, location and spacing to resist the loads imposed without deformation of the members or causing failure of the anchor or fastener, and suit the sequence of installation.

3. Use material and finish of the fasteners compatible with the kinds of materials which are fastened together and their location in the finished work.

05 50 00 - 5

4. Fasteners for securing metal fabrications to new construction only, may be by use of threaded or wedge type inserts or by anchors for welding to the metal fabrication for installation before the concrete is placed or as masonry is laid.

5. Fasteners for securing metal fabrication to existing construction or new construction may be expansion bolts, toggle bolts, power actuated drive pins, welding, self-drilling and tapping screws or bolts.

F. Workmanship:

1. General:

a. Fabricate items to design shown.

b. Furnish members in longest lengths commercially available within the limits shown and specified.

c. Fabricate straight, true, free from warp and twist, and where applicable square and in same plane.

d. Provide holes, sinkages, and reinforcement shown and required for fasteners and anchorage items.

e. Provide openings, cut-outs, and tapped holes for attachment and clearances required for work of other trades.

f. Prepare members for the installation and fitting of hardware.

g. Fabricate surfaces and edges free from sharp edges, burrs and projections which may cause injury.

2. Welding:

a. Weld in accordance with AWS standards as listed in article

Applicable Publications.

3. Joining:

a. Miter or butt members at corners.

b. Where frame members are butted at corners, cut leg of frame member perpendicular to surface, as required for clearance.

4. Anchors:

a. Provide as indicated.

5. Cutting and Fitting:

a. Accurately cut, machine and fit joints, corners, copes, and miters.

b. Fit removable members to be easily removed.

c. Design and construct field connections in the most practical place for appearance and ease of installation.

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d. Fit pieces together as required.

e. Fabricate connections for ease of assembly and disassembly without use of special tools.

f. Joints firm when assembled.

g. Conceal joining, fitting and welding on exposed work as far as practical.

h. Do not show rivets and screws prominently on the exposed face.

i. Fabricate fit of components and the alignment of holes to eliminate the need to modify component or to use exceptional force in the assembly of item and eliminate the need to use other than common tools.

G. Finish:

1. Finish exposed surfaces in accordance with NAAMM Metal Finishes

Manual.

2. Steel and Iron: NAAMM AMP 504.

a. Zinc coated (Galvanized): ASTM A123, G90 unless noted otherwise.

b. Surfaces exposed in the finished work:

1) Finish smooth rough surfaces and remove projections.

2) Fill holes, dents and similar voids and depressions with epoxy type patching compound.

c. Shop Prime Painting:

1) Surfaces of Ferrous Metal:

a) Provide as defined in SSPC-SP2 and SP3.

H. Spot prime all abraded and damaged areas of zinc coating which expose the bare metal, using zinc rich paint on hot-dip zinc coat items and zinc dust primer on all other zinc coated items.

2.4 SUPPORTS

A. General:

1. Fabricate ASTM A36 structural steel shapes as shown.

2. Use clip angles or make provisions for welding hangers and braces to overhead construction.

3. Field connections may be welded or bolted.

2.5 LOOSE LINTELS

A. Furnish lintels of sizes shown.

B. Fabricate lintels with not less than 150 mm (6-inch) bearing at each end for nonbearing masonry walls, and 200 mm (8-inch) bearing at each end for bearing walls.

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2.6 RAILINGS

A. In addition to the dead load design railing assembly to support live load specified.

B. Fabrication General:

1. Provide continuous welded joints, dressed smooth and flush.

2. Standard flush fittings, designed to be welded, may be used.

3. Exposed threads will not be approved.

4. Form handrail brackets to size and design shown.

5. Exterior Post Anchors.

a. Fabricate tube or pipe sleeves with closed ends or plates as shown.

b. Where inserts interfere with reinforcing bars, provide flanged fittings welded or threaded to posts for securing to concrete with expansion bolts.

c. Provide heavy pattern sliding flange base plate with set screws at base of pipe or tube posts.

6. Interior Post Anchors:

a. Provide flanged fittings for securing fixed posts to floor with expansion bolts, unless shown otherwise.

b. Weld or thread flanged fitting to posts at base.

c. For securing removable posts to floor, provide close fitting sleeve insert or inverted flange base plate with stud bolts or rivets concrete anchor welded to the base plate.

d. Provide sliding flange base plate on posts secured with set screws.

e. Weld flange base plate to removable posts set in sleeves.

C. Handrails:

1. Close free ends of rail with flush metal caps welded in place except where flanges for securing to walls with bolts are shown.

2. Make provisions for attaching handrail brackets to wall, posts, and handrail as shown.

D. Steel Pipe Railings:

1. Fabricate of steel pipe with welded joints.

2. Number and space of rails as shown.

3. Space posts for railings not over 1800 mm (6 feet) on centers between end posts.

4. Form handrail brackets from malleable iron.

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5. Fabricate removable sections with posts at end of section.

6. Removable Rails:

a. Provide "U" shape brackets at each end to hold removable rail as shown. Use for top and bottom horizontal rail when rails are joined together with vertical members.

b. Secure rail to brackets with 9 mm (3/8 inch) stainless steel through bolts and nuts at top rail only when rails joined with vertical members.

c. Continuously weld brackets to post.

d. Provide slotted bolt holes in rail bracket.

e. Weld bolt heads flush with top of rail.

f. Weld flanged fitting to post where posts are installed in sleeves.

7. Opening Guard Rails:

a. Fabricate rails with flanged fitting at each end to fit between wall opening jambs.

b. Design flange fittings for fastening with machine screws to steel plate anchored to jambs.

c. Fabricate rails for floor openings for anchorage in sleeves.

2.7 PLATE DOOR SILL

A. Fabricate of checkered plate as detailed.

1. Aluminum Plate: ASTM B632, 3 mm (0.125 inch) thick.

2. Steel Plate: ASTM A786, 3 mm (0.125 inch thick), galvanized G90.

B. Fabricate for anchorage with flat head countersunk bolts at each end and not over 300 mm (12 inches), o.c.

PART 3 - EXECUTION

3.1 INSTALLATION, GENERAL

A. Set work accurately, in alignment and where shown, plumb, level, free of rack and twist, and set parallel or perpendicular as required to line and plane of surface.

B. Items set into concrete or masonry.

1. Provide temporary bracing for such items until concrete or masonry is set.

2. Place in accordance with setting drawings and instructions.

3. Build strap anchors, into masonry as work progresses.

C. Field weld in accordance with AWS.

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1. Design and finish as specified for shop welding.

2. Use continuous weld unless specified otherwise.

D. Install anchoring devices and fasteners as shown and as necessary for securing metal fabrications to building construction as specified.

Power actuated drive pins may be used except for removable items and where members would be deformed or substrate damaged by their use.

E. Spot prime all abraded and damaged areas of zinc coating as specified and all abraded and damaged areas of shop prime coat with same kind of paint used for shop priming.

3.2 INSTALLATION OF SUPPORTS

A. Anchorage to Structure:

1. Secure angles or channels and clips to overhead structural steel by continuous welding unless bolting is shown.

2. Secure supports to concrete inserts by bolting or continuous welding.

3.3 STEEL LINTELS

A. Use lintel sizes and combinations shown or specified.

B. Install lintels with longest leg upstanding, except for openings in 150 mm (6-inch) masonry walls install lintels with longest leg horizontal.

C. Install lintels to have not less than 150 mm (6-inch) bearing at each end for nonbearing walls, and 200 mm (8-inch) bearing at each end for bearing walls.

3.5 CLEAN AND ADJUSTING

A. Adjust movable parts including hardware to operate as designed without binding or deformation of the members centered in the opening or frame and, where applicable, contact surfaces fit tight and even without forcing or warping the components.

B. Clean after installation exposed prefinished and plated items and items fabricated from aluminum and copper alloys, as recommended by the metal manufacture and protected from damage until completion of the project.

3.6 RAILINGS

A. Steel Posts:

1. Secure fixed posts to concrete with expansion bolts through flanged fittings except where sleeves are shown with pourable grout.

2. Install sleeves in concrete formwork.

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3. Set post in sleeve and pour grout to surface. Apply beveled bead of urethane sealant at perimeter of post or under flange fitting as specified in Section 07 92 00, JOINT SEALANTS on exterior posts.

4. Secure removable posts to concrete with either machine screws through flanged fittings which are secured to inverted flanges embedded in and set flush with finished floor, or set posts in close fitting pipe sleeves without grout.

5. Secure sliding flanged fittings to posts at base with set screws.

6. Secure fixed flanged fittings to concrete with expansion bolts.

7. Secure posts to steel with welds.

B. Anchor to Walls:

1. Anchor rails to concrete or solid masonry with machine screws through flanged fitting to steel plate.

a. Anchor steel plate to concrete or solid masonry with expansion bolts.

b. Anchor steel plate to hollow masonry with toggle bolts.

2. Anchor flanged fitting with toggle bolt to steel support in frame walls.

C. Handrails:

1. Anchor brackets for metal handrails as detailed.

2. Install brackets within 300 mm (12 inches) of return of walls, and at evenly spaced intermediate points not exceeding 1200 mm (4 feet) on centers unless shown otherwise.

3. Expansion bolt to concrete or solid masonry.

4. Toggle bolt to installed supporting frame wall and to hollow masonry unless shown otherwise.

3.7 PLATE DOOR SILL

A. Install after roofing base flashing and counter flashing work is completed.

B. Set in sealant and bolt to curb.

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THIS SHEET INTENTIONALLY LEFT BLANK

HISTORIC WOOD REPAIR

06 03 12 - 1

SECTION 06 03 12

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes historic treatment of wood in the form of repairing wood features as follows:

1. Repairing exterior wood siding and trim, and interior wood trim.

2. Replacing exterior wood siding and trim, and interior wood trim.

3. Repairing, refinishing, and replacing hardware.

1.3 PREINSTALLATION MEETINGS

1. Review minutes of Preliminary Historic Treatment Conference that pertain to historic wood repair.

2. Review methods and procedures related to historic wood repair, including, but not limited to, the following:

a. Historic treatment specialist's personnel, equipment, and facilities needed to make progress and avoid delays.

b. Materials, material application, sequencing, tolerances, and required clearances.

c. Fire-protection plan.

d. Wood historic treatment program.

e. Coordination with building occupants.

1.4 SEQUENCING AND SCHEDULING

A. Perform historic wood repair in the following sequence, which includes work specified in this and other Sections:

1. Before removing wood components for on-site or off-site repair, tag each component with location-identification numbers.

Indicate on tags and building plans the locations of each component, such as "Baseboard on North Side of Room 101."

2. Dismantle hardware and tag with location-identification numbers.

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3. In the shop, label each repaired component and whole or partial replacement with permanent location-identification number in inconspicuous location and remove site- applied tags.

4. Sort units by condition, separating those that need extensive repair.

5. Clean surfaces.

6. General Wood-Repair Sequence:

a. Remove paint to bare wood.

b. Repair wood by consolidation, replacement, partial replacement, and patching.

c. Sand, prime, fill, sand again, and prime surfaces again for refinishing. Prime fronts and backs of siding, and all cuts.

7. Repair, refinish, and replace hardware if required. Reinstall operating hardware.

8. Reinstall components.

9. Apply finish coats.

10. Install remaining hardware.

1.5 ACTION SUBMITTALS

1. Include recommendations for product application and use.

Include test data substantiating that products comply with requirements.

B. Shop Drawings:

1. Include plans, elevations, and sections showing locations and extent of repair and replacement work, with enlarged details of replacement parts indicating materials, profiles, joinery, reinforcing, method of splicing or attaching wood members to other surfaces, accessory items, and finishes.

2. Include field-verified dimensions and the following:

a. Full-size shapes and profiles with complete dimensions for replacement components and their jointing, showing relationship of existing components to new components.

b. Templates and directions for installing hardware and anchorages.

c. Identification of each new unit and its corresponding location in the building on annotated plans and elevations.

d. Provisions for flashing and as required for location.

C. Samples for Initial Selection: For each type of exposed wood and finish.

1. Identify wood species, cut, and other features.

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2. Include Samples of hardware and accessories involving color selection.

D. Samples for Verification: For the following products in manufacturer's standard sizes unless otherwise indicated, finished as required for use in the Work:

1. Replacement Wood: 12-inch-long, full-size molding sections with applied finish.

a. Additional Samples of replacement members that show fabrication techniques, materials, and finishes as requested by Architect.

2. Repaired Wood: Prepare Samples using existing wood removed from site, repaired, and prepared for refinishing.

3. Refinished Wood: Prepare Samples using existing wood removed from site, repaired, and refinished.

4. Hardware: Full-size units with each factory-applied or restored finish.

1.6 INFORMATIONAL SUBMITTALS

A. Qualification Data: For historic treatment specialist including workers and wood-repair-material manufacturer.

B. Wood Historic Treatment Program: Submit before work begins.

1.7 QUALITY ASSURANCE

A. Historic Treatment Specialist Qualifications: A qualified historic wood-repair specialist, experienced in repairing, refinishing, and replacing wood in whole and in part. Experience only in fabricating and installing new woodwork is insufficient experience for wood historic treatment work.

B. Wood-Repair-Material Manufacturer Qualifications: A firm regularly engaged in producing wood consolidant and wood-patching compound that have been used for similar historic wood- treatment applications with successful results, and with factory-authorized service representatives who are available for consultation, Project-site inspection, and on-site assistance.

C. Wood Historic Treatment Program: Prepare a written, detailed description of materials, methods, equipment, and sequence of operations to be used for historic treatment work, including protection of surrounding materials and Project site.

1. If materials and methods other than those indicated are proposed for any phase of historic treatment work, add a written description of such materials and methods, including evidence of successful use on comparable projects, and demonstrations to show their effectiveness for this Project.

D. Mockups: Prepare mockups of historic treatment repair processes to demonstrate aesthetic effects and to set quality standards for

06 03 12 - 4 materials and execution, and for fabrication and installation.

Prepare mockups so they are as inconspicuous as practicable.

1. Locate mockups on existing surfaces where directed by Architect.

2. Approval of mockups does not constitute approval of deviations from the Contract Documents contained in mockups unless

Architect specifically approves such deviations in writing.

3. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of

Substantial Completion.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Pack, deliver, and store products in suitable packs, heavy-duty cartons, or wooden crates; surround with sufficient packing material to ensure that products will not be deformed, broken, or otherwise damaged.

B. Until installed, store products inside a well-ventilated area and protect from weather, moisture, soiling, abrasion, extreme temperatures, and humidity, and where environmental conditions comply with manufacturer's requirements.

1.9 FIELD CONDITIONS

A. Weather Limitations: Proceed with historic wood repair only when existing and forecasted weather conditions are within the environmental limits set by each manufacturer's written instructions and specified requirements.

PART 2 - PRODUCTS

2.1 HISTORIC WOOD REPAIR, GENERAL

A. Quality Standard: Comply with applicable requirements in Section 12, "Historic Restoration Work," and related requirements in

AWI/AWMAC/WI's "Architectural Woodwork Standards" for construction, finishes, grade rules, and other requirements unless otherwise indicated.

1. Exception: Industry practices cited in Section 12, Article 1.5, "Industry Practices," of the Architectural Woodwork Standards do not apply to the work of this Section.

2.2 REPLICATED WOOD ITEMS

A. Replicated Exterior Siding and Trim, and Interior Paneling and Trim:

Custom-fabricated replacement wood units and components.

1. Joint Construction: Joints matching existing joints from 2014 restoration, not subsequent repairs.

2. Wood Species: Match species of existing wood from 2014 restoration, not subsequent repairs.

3. Wood Cut: Match cut of existing wood from 2014 restoration, not subsequent repairs.

4. Wood Member and Trim Profiles: Match profiles and detail of existing from 2014 restoration, not subsequent repairs.

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2.3 WOOD-REPLACEMENT MATERIALS

A. Wood, General: Clear fine-grained lumber; kiln dried to a moisture content of 6 to 12 percent at time of fabrication; free of finger joints, blue stain, knots, pitch pockets, and surface checks larger than 1/32 inch deep by 2 inches long.

1. Species: Match species of each existing type of wood component or assembly unless otherwise indicated.

2.4 WOOD-REPAIR MATERIALS

A. Source Limitations: Obtain wood consolidant and wood-patching compound from single source from single manufacturer.

B. Wood Consolidant: Ready-to-use product designed to penetrate, consolidate, and strengthen soft fibers of wood materials that have deteriorated due to weathering and decay and designed specifically to enhance the bond of wood-patching compound to existing wood.

C. Wood-Patching Compound: Two-part, epoxy-resin, wood-patching compound; knife-grade formulation as recommended in writing by manufacturer for type of wood repair indicated, tooling time required for the detail of work, and site conditions. Compound shall be designed for filling voids in damaged wood materials that have deteriorated due to weathering and decay. Compound shall be capable of filling deep holes and spreading to featheredge.

2.5 MISCELLANEOUS MATERIALS

A. Borate Preservative Treatment: Inorganic, borate-based solution, with disodium octaborate tetrahydrate as the primary ingredient;

manufactured for preserving weathered and decayed wood from further damage caused by fungi and wood-boring insects; complying with

AWPA P5; containing no boric acid.

B. Cleaning Materials:

1. Detergent Solution: Solution…