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					                                        SECTION 05710

                           MONUMENTAL STAIRS AND RAILINGS

PART 1 GENERAL

1.1   SECTION INCLUDES

      A.   Monumental stair framing.

      B.   Ornamental railing system.

      C.   Cladding for monumental stair.

      D.   Handrails.

1.2   RELATED SECTIONS

      A.   Section 03300 - Cast-in-Place Concrete.

      B.   Section 05500 - Metal Fabrications.

      C.   Section 05715 - Fabricated Spiral Stairs.

      D.   Section 05720 - Ornamental Handrails and Railings.

      E.   Section 05100 - Structural Steel.

      F.   Section 05730 - Ornamental Formed Metal.

      G.   Section 09300 - Tile: Tile infill in treads and landings.

      H.   Section 09380 - Cut Natural Stone Tile: Tile infill in treads and landings.

      I.   Section 09420 - Precast Terrazzo: Terrazzo tile infill in treads and landings.

      J.   Section 09900 - Painting.



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1.3   REFERENCES

      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; 2002.

      F.   NAAMM AMP 510 - Metal Stairs Manual; 1992, Fifth Edition.

      G.   American Society for Testing and Materials (ASTM):
           1.    A36 - Structural Steel.
           2.    A167 - Seamless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet,
                 and Strip.
           3.    A307 - Low-Carbon Steel Externally and Internally Threaded Fasteners.
           4.    A526 - Steel Sheet, Zinc Coated (Galvanized) by the Hot-Dip Process,
                 Commercial Quality.
           5.    A569 - Steel, Sheet and Strip, Carbon (0.15 Maximum Percent), Hot Rolled,
                 Commercial Quality.
           6.    A570 - Steel, Sheet and Strip, Carbon, Hot-Rolled, Structural Quality.
           7.    B221 - Aluminum and Aluminum-Alloy Extruded Bar, Rod, Wire, Shape and
                 Tube.
           8.    C1048 - Heat Treated Flat Glass, Coated and Uncoated Glass.

      H.   Architectural Woodwork Institute (AWI): Quality Standards for Architectural
           Woodwork.

      I.   National Association of Architectural Metal Manufacturers (NAAMM): Metal Finishes
           Manual.

1.4   PERFORMANCE REQUIREMENTS

      A.   Structural Design: Comply with AISC and ANSI requirements.

      B.   Stair: Design stair assembly to support the following loads:
           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.   Railing: Design railing assemblies to withstand the following loads:
           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.
           1.    1/180 of span maximum.
           2.    1/240 of span maximum.


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           3.     1/360 of span maximum.

      E.   Cantilevered Stairs:Support stair at top and bottom landings only without
           intermediate columns or hangers.

1.5   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 and jurisdiction in which Project is located.

      D.   Samples: Submit the following Samples:
           1.   12 inch by 12 inch (305 mm by 305 mm) size glass illustrating color,
                thickness, and edge conditions.
           2.   12 inch (305 mm) long section of handrail illustrating color, finish ,sheet and
                connection detail.
           3.   6 inch by 6 inch (152 mm by 152 mm) section of each type of metal indicating
                finish.

      E.   Maintenance Instructions:Provide cleaning and maintenance instructions for each
           type of finish material.

1.6   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.

      C.   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.

1.7   DELIVERY, STORAGE, AND HANDLING

      A.   Store products in manufacturer's unopened packaging until ready for installation.

      B.   Store in a weathertight location and protect from corrosion, distortion, and other
           damage during delivery storage and handling.

1.8   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



                                             05710-3
           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; Fax: 616-784-5077; Email: request info
           (dcouturier@couturierironcraft.com); Web: www.couturierironcraft.com

      B.   Substitutions: Not permitted.

      C.   Requests for substitutions will be considered in accordance with provisions of
           Section 01600.

2.2   MATERIALS

      A.   Steel:
           1.       Shapes, Plate, and Bar: ÅSTM A 36.
           2.       Sheet: ÅSTM A569 or ÅSTM A 570.
           3.       Pipe: Welded and seamless steel pipe. ÅSTM A 53.
           4.       Tubing: Cold formed. ÅSTM A 500; hot rolled, ÅSTM a 501.
           5.       Iron Castings: Malleable ÅSTM A 47.

      B.   Galvanized Steel: ÅSTM A 526, G 90 coating.

      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: Bronze 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:



                                              05710-4
                 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: 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.

      F.   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.

      G.   Wood: Select desired species and grade. .
           1.   Species: _________.
           2.   Quality: AWI Premium Grade.
           3.   Quality:AWI Custom Grade.

2.3   STRUCTURAL GLASS RAILING SYSTEM

      A.   Railings: Tempered glass structural balusters mounted in aluminum bottom rail, with


                                           05710-5
           metal top rail and accessories.
           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.

      B.   Glass: 1/2 inch (12 mm) tempered float glass.

      C.   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.

      D.   Handrails: Metal tubing handrail fastened to glass balusters at heights indicated.
           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.

2.4   ACCESSORIES

      A.   Primer: Corrosion resistant metal primer.

      B.   Anchors and Bolts: ÅSTM A307.

      C.   Fasteners: Type best suited for application.

      D.   Welding Material: Comply with AWS D1.1.

      E.   Grout: Non-shrink, high strength.

      F.   Clear sealer: Clear, tarnish resistant, acrylic lacquer.

2.5   FABRICATION

      A.   Manufacturer shall verify site dimensions prior to shop fabrication.

      B.   Fabricate items with joints tightly fitted, flush, and secure.


                                             05710-6
      C.   Fit and fabricate assembled sections in largest practical sizes, for handling through
           building openings.

      D.   Grind exposed edges flush and smooth with adjacent finished surface. Ease
           exposed edges to small uniform radius.

      E.   Stair Components:
           1.     Stringers: 2 stringers, 1 on each side of stair.
           2.     Stringers: 1 stringer centered on stair.
                  a.      Construction: Structural steel rectangular box shaped section.
                  b.      Construction: Structural steel channel section.
                  c.      Construction: Structural steel plate section.
           3.     Treads: Steel pan for concrete fill specified in Section 03300.
           4.     Treads:Steel plate prepared to receive finish specified in Section 09900.
           5.     Riser: Open type.
           6.     Riser: Closed type.
           7.     Soffit: Leave underside of stair open.
           8.     Soffit: Enclose underside of stair with finish as specified in Section 09900.

      F.   Railings and Handrails:
           1.     Stainless Steel Tubing: ÅSTM A554, Type 304.
           2.     Stainless Steel Bars, Shapes, and Moldings: ÅSTM A276, Type 304.
           3.     Brass Tubing: ASTM B135 (ASTM B135M), Alloy CDA 260 yellow brass.
           4.     Aluminum Tubing: ÅSTM 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 ÅSTM C1048.

      G.   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.

      H.   Cladding:
           1.    General: Provide cladding with smooth, flat surfaces free from damage or
                 disfiguration, of premium quality workmanship.
           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.
           4.    Locations: Clad exposed surfaces of stringers, railing base members and
                 fascia at floor openings.

2.6   FINISHES



                                            05710-7
      A.   Exposed Stainless Steel: NAMM No. 4 Satin finish.

      B.   Exposed Brass: Sealed.

      C.   Exposed Brass: Not Sealed.

      D.   Steel:
           1.       Clean surfaces of rust, scale, grease, and foreign matter prior to finishing.
           2.       Do not prime surfaces where field welding is required.
           3.       Concealed Surfaces: Prime paint with one coat.
           4.       Exposed Surfaces: Prime paint and field finish as specified in section 09900.

      E.   Exposed Aluminum: Provide the following finish on exposed aluminum surfaces.
           1.   Color anodized.
           2.   Clear anodized.
           3.   Painted: Prime paint and finish as follows:
                a.    Shop applied finish.
                b.    Field finish as specified in section 09900.

      F.   Wood: Provide the following wood finish.
           1.   Shop applied primer and field applied finish.
           2.   Shop applied finish.
           3.   Final sanding and field finish as specified in Section 09900.

      G.   Provide protection against galvanic action between dissimilar metals, and between
           metal and concrete.

PART 3 EXECUTION

3.1   EXAMINATION

      A.   Verify that field measurements are acceptable to suit stair assembly tolerances.

      B.   Verify supports and anchors are correctly and securely positioned.

      C.   Start of installation indicates installer's acceptance of substrate and conditions.

3.2   INSTALLATION

      A.   Install stair assembly in accordance with manufacturer's instructions and approved
           Shop Drawings.

      B.   Anchor components rigidly and securely to building structure, plumb and level,
           accurately fitted, and free from distortion or defects.

      C.   Fit exposed connections to form tight hairline joints.

      D.   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.




                                             05710-8
      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




                                          05710-9

				
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