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	SECTION 05720
	ORNAMENTAL HANDRAILS AND RAILINGS
	** NOTE TO SPECIFIER ** Couturier Iron Craft, Inc.; ornamental handrails and railings; custom and standard preassembled. This section based on products made by Couturier Iron Craft, Inc., which is located at: 5050 West River Drive P. O. Box 308 Comstock Park, MI 49321-0308 Toll Free Tel: (800) 670-6123 Tel: (616) 784-6780 Fax: (616) 784-5077 Email: couturier@couturierironcraft.com Web: www.couturierironcraft.com Located in Comstock Park, Michigan, Couturier Iron Craft Inc. specializes in Architectural and Ornamental Metal for commercial, industrial, and residential Construction. At Couturier Iron Craft, Inc. we have been providing monumental curved stairways, architectural railings, stainless steel, brass, aluminum, glass, domes, column covers, trellises in the architectural industry, plus other custom products (too many to mention) for over 35 years. Our commitment to high quality and craftsmanship in the architectural fabrication field results in a complete, finished product that meets and surpasses the high standards in today's competitive construction industry
	PART 1	GENERAL
	1.1	SECTION INCLUDES
		A.	Ornamental Handrails and Railings:
			1.	Custom fabricated ornamental railing systems.
			2.	Stainless steel handrails, balusters and fittings.
			3.	Aluminum handrails, balusters and fittings.
			4.	Brass handrails, balusters and fittings.
		B.	Structural Glass Railing Systems:
			1.	Monumental stair framing.
			2.	Ornamental railing system.
			3.	Cladding for monumental stair.
			4.	Handrails.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 03300 - Cast-In-Place Concrete: Placement of anchors in concrete.
		B.	Section 04810 - Unit Masonry Assemblies: Placement of anchors in masonry.
		C.	Section 05100 - Structural Steel.
		D.	Section 05500 - Metal Fabrications.
		E.	Section 05510 - Metal Stairs: Handrails associated with standard metal stairs.
		F.	Section 05520 - Handrails and Railings: Handrails other than decorative handrails specified in this section.
		G.	Section 05710 - Monumental Stairs.
		H.	Section 05715 - Fabricated Spiral Stairs.
		I.	Section 05720 - Ornamental Handrails and Railings.
		J.	Section 05730 - Ornamental Formed Metal.
		K.	Section 06200 - Finish Carpentry: Wood handrails.
		L.	Section 08800 - Glazing: Glass baluster infill.
		M.	Section 09300 - Tile: Tile infill in treads and landings.
		N.	Section 09380 - Cut Natural Stone Tile: Tile infill in treads and landings.
		O.	Section 09420 - Precast Terrazzo: Terrazzo tile infill in treads and landings.
		P.	Section 09900 - Painting.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section. These standards apply to metal components only.
		A.	Aluminum Association (AA): Designation System for Aluminum Finishes.
		B.	American Institute of Steel Construction (AISC): Manual of Steel Construction.
		C.	American Iron and Steel Institute (AISI): Specification for Design of Cold Formed Steel Structural Members.
		D.	American National Standards Institute (ANSI): Z97.1 - Safety Glazing Materials used in Buildings - Safety Performance Specifications and Methods of Test.
		E.	AWS D 1.1 - Structural Welding Code - Steel.
		F.	American Society for Testing and Materials (ASTM):
			1.	ASTM A 36 - Standard Specification for Carbon Structural Steel.
			2.	ASTM A 123/A 123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.
			3.	ASTM A 167 - Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip.
			4.	ASTM A 307 - Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength.
			5.	ASTM A 653 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.
			6.	ASTM A 569 - Standard Specification for Steel, Carbon (0.15 Maximum, Percent), Hot-Rolled Sheet and Strip Commercial.
			7.	ASTM A 570 - Standard Specification for Steel, Sheet and Strip, Carbon, Hot-Rolled.
			8.	ASTM A 780 - Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings.
			9.	ASTM B 221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes.
			10.	ASTM C 1048 - Standard Specification for Heat Treated Flat Glass, Coated and Uncoated Glass.
		G.	Architectural Woodwork Institute (AWI): Quality Standards for Architectural Woodwork.
		H.	National Association of Architectural Metal Manufacturers (NAAMM): NAAMM AMP 510 - Metal Finishes Manual.
		I.	SSPC Paint 20 - Zinc-Rich Primers (Type I, "Inorganic," and Type II, "Organic").
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	[ www.arcat.com/arcatcos/cos31/arc31706.cfm "Product Data ] substantiating compliance with Contract Documents. Include manufacturer's installation instructions.
		C.	Shop Drawings: Submit Shop Drawings for stairs and railings.
			1.	Include plans, elevations, and details.
			2.	Show connection and accessory items and locations for anchor and bolt installation.
			3.	Include design loads, structural calculations, and material properties.
			4.	Provide Shop Drawings signed and sealed by structural engineer licensed in the state in which Project is located.
		D.	Railing Sample: 12 inch long sample illustrating color, finish, sheen, and concealed connection detail.
		E.	Metal Finishes: 6 inch by 6 inch (152 mm by 152 mm) section of each type of metal indicating finish.
	** NOTE TO SPECIFIER ** Delete the following if no glass railings on project.
		F.	Glass Sample: Submit 12 inch by 12 inch size glass illustrating color, thickness, and edge conditions.
		G.	Templates: Supply installation templates, required reinforcing, and recessed anchorage devices in timely fashion to installers of related work that will receive products of this section.
		H.	Maintenance Instructions: Provide cleaning and maintenance instructions for each type of finish material.
	1.5	QUALITY ASSURANCE
		A.	Single Source Responsibility: Work of this section shall be designed, fabricated, shipped and installed by a single source company which has specialized in ornamental handrails and railings with ten years minimum experience.
		B.	Installer Qualifications: Installation shall be performed by the fabricator or a company acceptable to the fabricator.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened packaging until ready for installation.
		B.	Store in a weather tight location and protect from corrosion, distortion, and other damage during delivery storage and handling.
	1.7	SCHEDULING
		A.	Coordinate delivery and installation of stair on project schedule as specified in section 01310.
		B.	Allow sufficient time for fabrication, delivery, and erection of stair after building structure is in place and field dimensions are taken.
		C.	Allow sufficient time for closing in of building after delivery of stair and for installation of finishes and related work.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: Couturier Iron Craft, Inc., which is located at: P. O. Box 308 5050 West River Dr. ; Comstock Park, MI 49321-0308; Toll Free Tel: 800-670-6123; Tel: 616-784-6780; Email: request info; Web: www.couturierironcraft.com
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
		B.	Substitutions: Not permitted.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01600.
	2.2	ORNAMENTAL HANDRAILS AND RAILINGS - TUBE PROFILES
		A.	Materials:
			1.	Stainless Steel Tubing: ASTM A 554, Type 304.
			2.	Stainless Steel Bars, Shapes, and Moldings: ASTM A 276, Type 304.
			3.	Brass Tubing: ASTM B 135 (B 135M), Alloy CDA 260 yellow brass.
			4.	Aluminum Tubing: ASTM B 221 (B 221M) extruded tubes, Alloy 6063-T52.
			5.	Aluminum Reinforcing: ASTM B 221 (B 221M) extruded shapes, Alloy 6061-T6.
			6.	Aluminum Bars, Shapes, and Moldings: ASTM B 221 (B 221M) extruded shapes, Alloy 6063-T52.
		B.	Consistency: Provide visible components of same alloy and components that are free of surface blemishes where exposed to view in finished installation.
	** NOTE TO SPECIFIER ** Delete basic materials not required; delete options not required under each material retained. If more than one type is required, edit text to identify locations for each unique combination, add a schedule to the end of this section, or place a schedule on the drawings.
		C.	Material: Stainless steel tubing.
			1.	Tubing Diameter: 1.9 inches (48 mm).
			2.	Thickness: 16 gage; 0.065 inches (1.7 mm).
			3.	Elbows and Tees: Flush design.
			4.	Dimensions and Configurations: As indicated on Drawings.
			5.	Assembly: Welded.
			6.	Decorative Flanges for Embedded Posts:
				a.	Circular, collard cover plate, no screw holes, for setting in concrete.
			7.	Wall Mounted Components: Components necessary to support railing with 1-1/2 inch (38 mm) clearance from wall, and as follows:
				a.	Underslung support brackets: Supports at maximum 60 inches (1524 mm).
				b.	Wall return without support: Terminates 1/4 inch (6 mm) from side wall.
				c.	Fasteners: Exposed.
				d.	Fasteners: Concealed.
			8.	Picket Rail Components: Pickets of 5/8 inch (15 mm) stainless steel, shape and lengths as indicated.
			9.	Finish: Stainless No. 4 satin.
			10.	Finish: Stainless No. 8 polished.
		D.	Material: Brass tubing.
			1.	Tubing Diameter: 1.9 O.D. (48mm).
			2.	Elbows and Tees: Flush design.
			3.	Dimensions and Configurations: As indicated on Drawings.
			4.	Assembly: Welded.
			5.	Assembly: Splice locks with set screws.
			6.	Decorative Flanges for Embedded Posts:
				a.	Circular collared cover plate, no screw holes, for setting in concrete.
			7.	Wall Mounted Components: Components necessary to support railing with 1-1/2 inch (38 mm) clearance from wall, and as follows:
				a.	Underslung Support Brackets: Supports at maximum 60 inches (1524 mm).
				b.	Wall Return: Terminates 1/4 inch (6 mm) from side wall.
				c.	Fasteners: Exposed.
				d.	Fasteners: Concealed.
			8.	Finish: Satin brass.
			9.	Finish: Bright brass.
			10.	Sealer: Clear sealer coating.
		E.	Material: Aluminum Schedule 40 pipe.
			1.	Diameter: 1-1/2 inch (38 mm).
			2.	Elbows and Tees: Flush design.
			3.	Dimensions and Configurations: As indicated on Drawings.
			4.	Assembly: Welded.
			5.	Assembly: Splice locks with set screws.
			6.	Decorative Flanges for Embedded Posts: Circular collared cover plate, no screw holes, for setting in concrete.
			7.	Wall Mounted Components: Components necessary to support railing with 1-1/2 inch (38 mm) clearance from wall, and as follows:
				a.	Underslung Support Brackets: Supports at maximum 60 inches (1524 mm).
				b.	Wall Return: Terminates 1/4 inch (6 mm) from side wall.
				c.	Fasteners: Exposed.
				d.	Fasteners: Concealed.
			8.	Finish: Clear anodized.
			9.	Finish: Factory painted.
	2.3	STRUCTURAL GLASS RAILING SYSTEMS
	** NOTE TO SPECIFIER ** Delete basic materials not required; delete options not required under each material retained. If more than one type is required¸ edit text to identify locations for each unique combination¸ add a schedule to the end of this section¸ or place a schedule on the drawings.
		A.	Structural Design: Comply with AISC and ANSI requirements.
		B.	Stair: Design stair assembly to support the following loads:
	** NOTE TO SPECIFIER ** Verify code required loadings applicable in jurisdiction of the project.
			1.	Uniform Live Load: 100 pounds (45 kg) minimum per square foot of projected plan area.
			2.	Concentrated Live Load: 300 pounds (136 kg) minimum applied anywhere on tread.
			3.	Dead Load: Weight of stair, railing system, concrete fill, and finishes.
			4.	Use defection limits appropriate for types of applied finish materials.
		C.	Railings: Design railing assemblies to withstand the following loads:
	** NOTE TO SPECIFIER ** Verify code required loadings applicable in jurisdiction of the project.
			1.	Minimum uniform lateral loading of 50 pounds (23 kg) per linear foot (8,8 kN/m).
			2.	Minimum concentrated lateral load of 200 pounds (91 kg) at any point 42 inches (1067 mm) above finished floor.
		D.	Live Load Deflection: Use span measured at horizontal projection of outside stringer. Tread finishes may require higher deflection limits.
	** NOTE TO SPECIFIER ** Delete deflection requirements not required on project.
			1.	1/180 of span maximum.
			2.	1/240 of span maximum.
			3.	1/360 of span maximum.
	** NOTE TO SPECIFIER ** Delete if not cantilevered stairs.
		E.	Cantilevered Stairs: Support stair at top and bottom landings only without intermediate columns or hangers.
		F.	Materials:
			1.	Steel:
				a.	Shapes, Plate, and Bar: ASTM A 36.
				b.	Sheet: ASTM A569 or ASTM A 570.
				c.	Pipe: Welded and seamless steel pipe. ASTM A 53.
				d.	Tubing: Cold formed. ASTM A 500; hot rolled, ASTM a 501.
				e.	Iron Castings: Malleable ASTM A 47.
			2.	Galvanized Steel: ASTM A 526, G 90 coating.
			3.	Stainless Steel Tubing:
				a.	Tubing Diameter: 1.9 inches (48 mm).
				b.	Thickness: 16 gage; 0.065 inches (1.7 mm).
				c.	Elbows and Tees: Flush design.
				d.	Dimensions and Configurations: As indicated on Drawings.
				e.	Assembly: Welded.
				f.	Decorative Flanges for Embedded Posts: Circular, collard cover plate, no screw holes, for setting in concrete.
				g.	Wall Mounted Components: Components necessary to support railing with 1-1/2 inch (38 mm) clearance from wall, and as follows:
	1)Underslung support brackets: Supports at maximum 60 inches (1524 mm). 2)Wall return without support: Terminates 1/4 inch (6 mm) from side wall. 3)Fasteners: Exposed. 4)Fasteners: Concealed.
				h.	Picket Rail Components: Pickets of 5/8 inch (15 mm) stainless steel, shape and lengths as indicated.
				i.	Finish: Stainless No. 4 satin.
				j.	Finish: Stainless No. 8 polished.
	** NOTE TO SPECIFIER ** Delete bronze items below if not required on project.
			4.	Bronze Tubing:
				a.	Tubing Diameter: 1.9 inch O.D. (48mm).
				b.	Elbows and Tees: Flush design.
				c.	Dimensions and Configurations: As indicated on Drawings.
				d.	Assembly: Welded.
				e.	Assembly: Splice locks with set screws.
				f.	Decorative Flanges for Embedded Posts: Circular collared cover plate, no screw holes, for setting in concrete.
				g.	Wall Mounted Components: Components necessary to support railing with 1-1/2 inch (38 mm) clearance from wall, and as follows:
	1)Underslung Support Brackets: Supports at maximum 60 inches (1524 mm). 2)Wall Return: Terminates 1/4 inch (6 mm) from side wall. 3)Fasteners: Exposed. 4)Fasteners: Concealed.
				h.	Finish: Satin brass.
				i.	Finish: Bright brass.
				j.	Sealer: Clear sealer coating.
	** NOTE TO SPECIFIER ** Delete brass items below if not required on project.
			5.	Brass Tubing:
				a.	Tubing Diameter: 1.9 inch O.D. (48 mm).
				b.	Elbows and Tees: Flush design.
				c.	Dimensions and Configurations: As indicated on Drawings.
				d.	Assembly: Welded.
				e.	Assembly: Splice locks with set screws.
				f.	Decorative Flanges for Embedded Posts: Circular collared cover plate, no screw holes, for setting in concrete.
				g.	Wall Mounted Components: Components necessary to support railing with 1-1/2 inch (38 mm) clearance from wall, and as follows:
	1)Underslung Support Brackets: Supports at maximum 60 inches (1524 mm). 2)Wall Return: Terminates 1/4 inch (6 mm) from side wall. 3)Fasteners: Exposed. 4)Fasteners: Concealed.
				h.	Finish: Satin brass.
				i.	Finish: Bright brass.
				j.	Sealer: Clear sealer coating.
	** NOTE TO SPECIFIER ** Delete aluminum items below if not required on project.
			6.	Aluminum Schedule 40 Pipe:
				a.	Diameter: 1-1/2 inch (38 mm).
				b.	Elbows and Tees: Flush design.
				c.	Dimensions and Configurations: As indicated on Drawings.
				d.	Assembly: Welded.
				e.	Assembly: Splice locks with set screws.
				f.	Decorative Flanges for Embedded Posts: Circular collared cover plate, no screw holes, for setting in concrete.
				g.	Wall Mounted Components: Components necessary to support railing with 1-1/2 inch (38 mm) clearance from wall, and as follows:
	1)Underslung Support Brackets: Supports at maximum 60 inches (1524 mm). 2)Wall Return: Terminates 1/4 inch (6 mm) from side wall. 3)Fasteners: Exposed. 4)Fasteners: Concealed.
				h.	Finish: Clear anodized.
				i.	Finish: Factory painted.
	** NOTE TO SPECIFIER ** Delete the following paragraphs below if no wood required on project. Custom grade is satisfactory for most commercial work with transparent finishes; use premium grade where highest quality of materials and work is required
			7.	Wood: Select desired species and grade.
				a.	Species: _________.
	** NOTE TO SPECIFIER ** Delete the AWI grade below not required on project.
				b.	Quality: AWI Premium Grade.
				c.	Quality: AWI Custom Grade.
		G.	Railings: Tempered glass structural balusters mounted in aluminum bottom rail, with metal top rail and accessories.
	** NOTE TO SPECIFIER ** Delete mountings not required on project.
			1.	Mounting: Concealed, with top of bottom rail flush with finished floor.
			2.	Mounting: Side mounted to fascia, with top of bottom rail flush with finished floor.
			3.	Mounting: Exposed.
			4.	Mounting: As detailed on Drawings.
		H.	Finishes:
			1.	Exposed Stainless Steel: NAMM No. 4 Satin finish.
	** NOTE TO SPECIFIER ** Delete choice not required for project. Clear sealer coating may retard oxidation, but may be difficult to restore to polished appearance if surface becomes scratched or tarnished.
			2.	Exposed Brass: Sealed.
			3.	Exposed Brass: Not Sealed.
			4.	Steel:
				a.	Clean surfaces of rust, scale, grease, and foreign matter prior to finishing.
				b.	Do not prime surfaces where field welding is required.
				c.	Concealed Surfaces: Prime paint with one coat.
				d.	Exposed Surfaces: Prime paint and field finish as specified in section 09900.
	** NOTE TO SPECIFIER ** Anodized aluminum is not recommended for rails or other surfaces subject to abrasion. Delete the following finishes not required for project.
			5.	Exposed Aluminum: Provide the following finish on exposed aluminum surfaces.
				a.	Color anodized.
				b.	Clear anodized.
				c.	Painted: Prime paint and finish as follows:
	1)Shop applied finish. 2)Field finish as specified in section . ** NOTE TO SPECIFIER ** Delete the following finishes not required for project.
			6.	Wood: Provide the following wood finish.
				a.	Shop applied primer and field applied finish.
				b.	Shop applied finish.
				c.	Final sanding and field finish as specified in Section 09900.
			7.	Provide protection against galvanic action between dissimilar metals, and between metal and concrete.
		I.	Glass: 1/2 inch (12 mm) tempered float glass.
	** NOTE TO SPECIFIER ** Rails below are standard. Other diameter top rails are available, ranging from 1.9 inch (48 mm) to 4 inches (102 mm).
		J.	Top Rail: Channel tubing with rabbet for glass, with matching welded miter corners, end caps, and internal splice connectors.
			1.	Material: Bright finish brass; 0.10 inch (2.54 mm).
				a.	Diameter: 1.9 inches (48 mm).
				b.	Diameter: 2-1/2 inch (64 mm).
			2.	Material: Satin finish brass; 16 gage, 0.065 inch (1.65 mm).
				a.	Diameter: 1.9 inches (48 mm).
				b.	Diameter: 2-1/2 inch (64 mm).
			3.	Material: Bright finish stainless steel; 16 gage, 0.065 inch (1.65 mm).
				a.	Diameter: 1.9 inches (48 mm).
				b.	Diameter: 2-1/2 inch (64 mm).
			4.	Material: Satin finish stainless steel; 16 gage, 0.065 inch (1.65 mm).
				a.	Diameter: 1.9 inches (48 mm).
				b.	Diameter: 2-1/2 inch (64 mm).
			5.	Material: Clear anodized aluminum.
				a.	Size: 1.9 inches (48 mm) diameter; 0.109 inch (2.78 mm) thickness.
				b.	Size: 2-1/2 inches (64 mm) diameter; 0.125 inch (3.18 mm) thickness.
		K.	Handrails: Metal tubing handrail fastened to glass balusters at heights indicated.
	** NOTE TO SPECIFIER ** Handrails attached to glass balusters are optional. If required¸ glass must be predrilled with proper holes before tempering.
			1.	Material: Bright finish brass, 1.9 inches (48 mm) in diameter.
			2.	Material: Satin finish brass, 1.9 inches (48 mm) in diameter.
			3.	Material: Bright finish stainless steel, 1.9 inches (48 mm) in diameter.
			4.	Material: Satin finish stainless steel, 1.9 inches (48 mm) diameter.
			5.	End Caps: Match handrails.
			6.	End Caps: Decorative black plastic.
			7.	Brackets: Self-aligning type, matching handrails.
			8.	Brackets: Cast wall brackets, matching handrails.
			9.	Brackets: Tubular wall brackets, matching handrails.
			10.	Dimensions and Configurations: As indicated on Drawings.
		L.	Accessories:
			1.	Primer: Corrosion resistant metal primer.
			2.	Anchors and Bolts: ASTM A 307.
			3.	Fasteners: Type best suited for application.
			4.	Welding Material: Comply with AWS D1.1.
			5.	Grout: Non-shrink, high strength.
			6.	Clear sealer: Clear, tarnish resistant, acrylic lacquer.
	2.4	FABRICATION
		A.	Manufacturer shall verify site dimensions prior to shop fabrication to the greatest extent practical.
		B.	Fabricate items with joints tightly fitted, flush, and secure. Fit and fabricate assembled sections in largest practical sizes, for handling through building openings.
		C.	Grind exposed edges flush and smooth with adjacent finished surface. Ease exposed edges to small uniform radius.
		D.	Stair Components:
	** NOTE TO SPECIFIER ** Delete stringer configuration not required for project.
			1.	Stringers: 2 stringers, 1 on each side of stair.
			2.	Stringers: 1 stringer centered on stair.
	** NOTE TO SPECIFIER ** Delete construction configuration not required for project.
				a.	Construction: Structural steel rectangular box shaped section.
				b.	Construction: Structural steel channel section.
				c.	Construction: Structural steel plate section.
	** NOTE TO SPECIFIER ** Delete tread type not required for project.
			3.	Treads: Steel pan for concrete fill specified in Section 03300.
			4.	Treads: Steel plate prepared to receive finish specified in Section 09900.
	** NOTE TO SPECIFIER ** Delete riser type not required for project.
			5.	Riser: Open type.
			6.	Riser: Closed type.
	** NOTE TO SPECIFIER ** Delete soffit configuration not required for project.
			7.	Soffit: Leave underside of stair open.
			8.	Soffit: Enclose underside of stair with finish as specified in Section 09900.
		E.	Railings and Handrails:
	** NOTE TO SPECIFIER ** Delete materials not required for project.
			1.	Stainless Steel Tubing: ASTM A554, Type 304.
			2.	Stainless Steel Bars, Shapes, and Moldings: ASTM A276, Type 304.
			3.	Brass Tubing: ASTM B135 (ASTM B135M), Alloy CDA 260 yellow brass.
			4.	Aluminum Tubing: ASTM b221 (B221M) extruded tubes, Allot 6063-T52.
			5.	Aluminum Reinforcing: ASTM B221 (B221M) extruded shapes, Alloy 6063-T52.
			6.	Aluminum Bars: Shapes and Moldings: ASTM B221 (B221M) extruded shapes, Alloy 60603-T52.
			7.	Glass: Tempered glass complying with ASTM C1048.
	** NOTE TO SPECIFIER ** Delete choices not required for project.
		F.	Structural Glass Railings:
			1.	Glass Base: Extruded aluminum, Couturier EB4.
				a.	At stairs and landings: Recess glass into stringers.
				b.	At floor openings: 4 inch (102 mm) high base.
				c.	At floor openings: Mount flush with floor.
			2.	Glass Panels with Cap Rail: Layout panels in uniform, symmetrical spacing with 1/2 inch (13 mm) gap between adjacent panels.
			3.	Handrails, Balusters, and Cap Rail: Material size, profile and height indicated on the Drawings.
			4.	Handrail Brackets: Manufacturer's standard metal bracket matching rail.
		G.	Cladding:
			1.	General: Provide cladding with smooth, flat surfaces free from damage or disfiguration, of premium quality workmanship.
	** NOTE TO SPECIFIER ** Delete cladding materials not required for project.
			2.	Material: Use material thickness that will provide required appearance as recommended by manufacturer.
				a.	Painted steel.
				b.	Stainless steel.
				c.	Brass.
				d.	Aluminum.
			3.	Attachment: Provide sub-framing, retainers, and supports as required for proper installation of cladding without exposed fasteners.
	** NOTE TO SPECIFIER ** Delete cladding locations not required for project.
			4.	Locations: Clad exposed surfaces of stringers, railing base members and fascia at floor openings.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not proceed with installation until substrates have been properly prepared and deviations from manufacturer's recommended tolerances are corrected. Commencement of installation constitutes acceptance of conditions.
			1.	Verify that reinforcement and anchoring devices are the correct type, have been located correctly, and have been installed properly.
			2.	Verify that field measurements are acceptable to suit stair assembly tolerances.
			3.	Verify supports and anchors are correctly and securely positioned.
		B.	Prepare substrates using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
		C.	If preparation is the responsibility of another installer, notify Architect in writing of deviations from manufacturer's recommended installation tolerances and conditions.
	3.2	INSTALLATION
		A.	Install stair assemblies and ornamental railings plumb and level and in accordance with manufacturer's instructions.
		B.	Locate railings as indicated on Drawings and at heights that are in accordance with applicable code.
		C.	Anchor to substrates in strict accordance with tested anchorage system, free from distortion or defects detrimental to appearance or performance.
		D.	Fit exposed connections to form tight hairline joints.
		E.	Weld connections that cannot be shop welded because of size limitations.
			1.	Perform field welding of steel in accordance with AWS D 1.1. Field bolt and weld to match shop bolting and welding.
			2.	Clean field welds, bolted connections and abraded areas.
			3.	Touch up shop primer.
			4.	Repair galvanizing with galvanizing repair paint to comply with ASTM A780.
	3.3	ERECTION TOLERANCES
		A.	Maximum Variation from Plumb: 1/4 inch (6 mm) for full height of stair.
		B.	Maximum Variation from Level: 1/8 inch (3 mm) in 10 feet (3000 mm).
		C.	Maximum Angular Variation of the Tread from True Position: 3 degrees.
	3.4	CLEANING AND PROTECTION
		A.	Remove manufacturer's protective coverings from exposed surfaces after installation.
		B.	Clean surfaces using materials and methods as recommended by manufacturer.
		C.	Protect finishes from damage during construction period with temporary protective coverings acceptable to the manufacturer.
		D.	After installation of system is complete, advise General Contractor of methods necessary for protection until Substantial Completion.
	END OF SECTION