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					                                              DIVISION 5 – METALS


SECTION 05120 – STRUCTURAL STEEL

PART 1 GENERAL

1.01 SUMMARY
  A. Bidding Documents and Information, Conditions of the Contract and Division 1 - General Requirements apply
        to the Work of this Section of the Specifications.

     B. Section includes structural steel framing members, support members, base plates, bearing plates and grouting
            under base plates.

     C. Provide fasteners and welding required for erection of structural steel provided under this section.

1.02 RELATED SECTIONS

     A. Section 01351: Sustainable Project Requirements.

     B. Section 03050: Concrete.

     C. Section 04810: Unit Masonry.

     D. Section 05210: Steel Joists.

      E. Section 05310: Steel Decking.

     F. Section 05500: Metal Fabrications.

     G. Section 09900: Paints and Coatings.

     H. Products furnished but not installed under this Section:
1.     Section 03050: Loose steel members cast into cast in place concrete.
2.     Section 04810: Loose steel lintels.

1.03 SUBMITTALS

     A. General Requirements: Section 01330.

     B. Shop Drawings: Indicate sizes, spacing, and locations of structural members, profiles, cuts, openings,
           connections, cambers, loads, and welded connections. Indicate welds by AWS symbols and show size,
           length and type of weld. Provide setting drawings, templates and directions for installation of anchor bolts
           and other anchorage devices. Identify details by reference to sheet and detail number on Drawings.
           Reviewed shop drawings may not have materials added except with approval by Structural Engineer. The
           use of modified structural drawing reproducibles as shop drawings is not permitted. Structural steel is to be
           exposed to view and requires carefully designed joints and finished surfaces.

     C. Review of shop drawings will be for size and arrangement of members and their connections. Fabricating
           dimensions for the correct fitting of members in shop and field are the responsibility of the fabricator.

     D. Prior to submission, shop drawings shall be checked by the fabricator and bear a stamp indicating review by the
Contractor that this work is coordinated with other trades and meets the requirements of this project.
 E. Design of connections, including temporary erection chips and connections not indicated on the structural
       drawings shall be completed by the fabricator in accordance with the intent of key details shown and in
       accordance with applicable codes and specifications noted elsewhere.

 F. Sweeping substitutions or modification of the design will not permitted. Minor substitution or deviations in
       detail, if any, shall be shown on the first submittal and specifically called to the attention of the structural
       engineer.

 G. Fabrication of any material before review is entirely at the risk of the fabricator.

 H. Reference “LEED REQUIREMENTS” section below for additional submittal requirements.

1.04 DELIVERY, STORAGE and PROTECTION

 A. General Requirements: Section 01600.

 B. Packing and Shipping of Materials: Deliver materials properly marked to identify location of each steel
       component. Structural steel will be exposed to view and will receive painted finish. Mark steel with non-
       telegraphing spray paint -no marker or crayon. Steel marked such that finish can not be properly applied is
       cause for rejection. Markings shall correspond to markings indicated on Shop Drawings.

 C. Materials Installed by Others: Deliver anchor bolts and anchorage devices embedded in cast in place concrete
       or masonry construction before start of concrete or masonry work. Provide setting drawings, templates and
       directions for installation of anchor bolts and anchorage devices.

 D. Store steel above ground surface and protect from corrosion. Protect primed surfaces.

 E. If damaged, immediately make repairs to steel and replace as required by Structural Engineer at no additional
        cost to Owner.

1.05 ENVIRONMENTAL REQUIREMENTS

 A. Observe environmental precautions based on conditions.

 B. Establish required leveling and plumbing measurements on the mean operating temperature of the structure.
        Make allowances for the difference between the temperature at the time of erection and the mean
        temperature at which the structure will be when completed and in service.

1.06 QUALITY ASSURANCE

 A. Fabricate structural steel members in accordance with AISC - Specification for Design, Fabrication and
       Erection of Structural Steel for Buildings including Commentary and Supplements, latest edition.

 B. Welding: In accordance with AWS D1.1.

 C. Perform exposed structural steel work in accordance with AISC Section 10.

  D. Fabricator/Erector Qualifications:
1       Fabricator Qualifications: Approved fabricator as specified in 2003 International Building Code Section
17042.2. Submit proof of registration with ship drawing submittal.
2       Erector Qualifications: Minimum 5 years experience in erection of structural steel.
3       Welder Qualifications: Certification by AWS �Standard Qualification Procedures.� Welders shall have
passed AWS qualification test within previous 12 months.
1.07 LEED REQUIREMENTS

 A. The structural steel utilized in this project will contribute toward achieving the LEED credit for recycled
       content in the overall project. Per the Steel Recycling Institute, structural steel typically contains about 95%
       recycled content. The Structural Steel Fabricator shall submit information indicating the recycled content
       (by weight) of the steel to be used on this project with the Shop Drawings. Indicate how much of the
       recycled content is pre-consumer and how much is post consumer.

 B. The structural steel products utilized in this project will contribute toward achieving the LEED credit for
       regional materials. To the greatest extent possible, structural steel products shall be extracted, processed,
       and manufactured regionally (reference Section 01351 – Sustainable Project Requirements for the
       definition of a material that is extracted, processed, and manufactured regionally). At Substantial
       Completion, the Steel Fabricator shall report to the General Contractor the total cost of the structural steel
       products used on the project (not including labor or equipment) and the cost of the structural steel products
       that meet the LEED definition of a regional material (not including labor or equipment

PART 2 PRODUCTS

2.01 STRUCTURAL STEEL

 A. Angles, Plate and Bar: ASTM A36.

 B. Wide Flange Shapes and Channels: ASTM A992 Dual Specification, Grade 50.

 C. Structural Tubing: Cold Formed: ASTM A500, Grade B.

 D. Pipe: ASTM A53, Grade B.

 E. Bolts, Nuts, and Washers: ASTM A325, Hexagonal heads and nuts.

 F. Anchor Bolts: ASTM F1554. Non-headed with heavy hexagonal nuts unless otherwise indicated.

 G. Headed Anchor Studs: ASTM A108.

 H. Welding Materials: AWS D1.1; type required for materials being welded.

 I. Sliding Bearing Plates: teflon coated.

 J. Grout: Non-shrink type, pre-mixed compound consisting of non-metallic aggregate, cement, water reducing and
        plasticizing additives, capable of developing minimum compressive strength of 8,000 psi at 28 days;
        manufactured by EMBECCO �Five Star�or Acceptable Substitution.

 K. Shop and Touch-Up Primer: SSPC 15, Type 1, red oxide.

2.02 FABRICATION

 A. Fabricate structural steel in shop as much as practicable in accordance with AISC Specifications and as noted
       on Shop Drawings. Provide camber as indicated on Drawings. Fabricate Architecturally Exposed
       Structural Steel (AESS) as defined by the 2000 edition, AISC Code of Standard Practice, Section 1B. Use
       only materials smooth and free of surface blemishes including pitting, seam marks, roller marks, rolled
       trade names and roughness. Remove blemishes by grinding, or welding and grinding, prior to cleaning,
       treating and application of surface finishes. Repair and grind flush all back gouges. Remove weld splatter;
       grind weld profiles smooth.
         Orient seams away from view.
B. Structural steel will be exposed to view. Do not use marker or crayon - use spray paint to mark steel. Remove
       all burns, mill stamps, etc. from exposed surfaces.
 C. All contact surfaces, whether bolted or welded, shall be checked for plane faces and the absence of burrs, or
        other obstructions to a snug fit.

 D. Unless otherwise detailed, continuously seal joined members by continuous welds. Grind exposed welds
       smooth. In exposed conditions where intermittent welds are permitted, fill between welds with plastic
       filler.

 E. Where priming or painting is required, complete assembly of units, including welding, before start of finishing
       operations.

 F. Wherever possible, welding shall be done in a flat position. On all welds, slag shall be removed immediately
       after every pass. A shop-welded connection may be substituted for any bolted connection subject to
       acceptance by the Architect.

 G. Welds, deficient in dimension but not in quality, may be enlarged. Welds, deficient in quality, shall be cut out
       and redone.

 H. All steel-to-steel bolted connections shall be made with ASTM A325 bolts unless otherwise indicated. Bolts
        shall be installed �snug tight�.

 I. Provide holes required for securing other work to structural steel framing and for passage of other work through
        steel framing members as shown on Drawings. Provide threaded nuts welded to framing and other
        specialty items shown to receive other Work. Cut, drill or punch holes perpendicular to metal surfaces. Do
        not flame cut holes or enlarge holes by burning. Drill holes in bearing plates.

 J. Provide bolts and washers required for completion of field erection. Bolt field connections unless welded
        connections are indicated on Drawings. Threads shall not bear on connecting steel.

 K. Install sliding bearing plates and protect against damage in accordance with manufacturer�s written directions.

 L. Splice members only where indicated unless, with Structural Engineer�s approval, splices not indicated would
        result in lower costs due to reduced shipping costs. Submit structural calculations signed by a Structural
        Engineer licensed by the State of Colorado for splices not indicated.

 M. Fabricate beam and plate lintels to bear 8 inches on each side of masonry openings unless otherwise indicated.
       Weld plate to both sides of top or bottom flange of beam as indicated on Drawings.

2.03 FINISH

 A. Prepare structural component surfaces in accordance with SSPC standard SP-3 procedures.

 B. Thoroughly clean steel of rust or scale by blast or wire brushes. Remove oil or grease with a suitable solvent
       before priming.

 C. Shop prime structural steel members. Do not prime surfaces being field welded or in contact with concrete.

PART 3 EXECUTION

3.01 EXAMINATION

 A. Verify field conditions are acceptable and are ready to receive work. Correct conditions detrimental to proper
       and timely completion of Work. Do not proceed until unsatisfactory conditions have been corrected.

3.02 ERECTION
A. Meet requirements of AISC Specifications and Code of Standard Practice.
B. Establish permanent benchmarks necessary for accurate erection of structural steel.

C. No steel shall be erected until elevations, slopes, pitches, and alignment of plates, anchor bolts, and the like have
      been verified with the General Contractor.

D. Allow for erection loads. Install temporary bracing to maintain framing in alignment until completion of erection
      and installation of permanent bridging and bracing.

     E. Set structural steel members accurately to lines and elevations indicated. Align and adjust various members
         forming a part of a complete frame or structure before fastening permanently. Clean bearing surfaces and
         other surfaces which will be in permanent contact before assembly. Perform necessary adjustments to
         compensate for discrepancies in elevations and alignment.


F. Install anchor bolts and other connectors required for securing structural steel to foundations and other in place
       work. Furnish templates and other devices needed fro presetting of bolts and other anchors to accurate
       locations.

G. Clean bottom surface of base and bearing plates. Clean concrete and masonry bearing surfaces and roughen to
      improve bond to surface. Set loose and attached base plates and bearing plates for structural members in
      wedges or other adjusting devices. Tighten anchor bolts after supported members have been positioned and
      plumbed. Do not remove wedges or shims, but if protruding, cut off flush with edge of base or bearing plate
      prior to packing with grout. Pack grout solidly between bearing surfaces and bases or plates to ensure that no
      voids remain. Finish exposed surfaces, protect installed materials and allow to cure in strict accordance with
      manufacturer’s instructions.

H. Level and plumb individual members of structure within specified AISC tolerances. Establish required leveling
      and plumbing measurements on the mean operating temperature of the structure. Make allowances for the
      difference between the temperature at the time of erection and the mean temperature at which the structure
      will be when completed and in service.

I. Place steel beams with crown up. Provide anchors for beams bearing on masonry as shown on Drawings. Provide
       self-lubricating slide bearings where shown on Drawings. Bearings to consist of a top and bottom part
       supplied as a compatible unit by the same manufacturer. Unless otherwise shown, top part to consist of a 14
       gauge minimum ASTM A240 Type 304 stainless steel bearing surface, having a number 2B or better finish
       which is heliarc stitch or full seam welded to an ASTM A36 steel backing plate. Bottom part to consist of a
       1/32 inch (minimum) “Teflon” (PTFE) bearing surface control-bonded to an ASTM A36 backing plate.
       Unless otherwise noted, slide bearing plate assembly to have a service load bearing capacity of 1500 psi
       (minimum) at temperatures of 100 degrees F or less and a coefficient of friction of 0.06 or less at maximum
       bearing stress. Provide one of the following products:
1. Con-Serv Inc.
2. Fluorocarbon Co.
3. G.D. Spencer Co.

J.        Do not field cut or alter structural members without approval of Structural Engineer. Do not use gas cutting
          torches in field for correcting fabricating errors in structural framing. When gas cutting is permitted, finish
          sections equal to sheared appearance.

K.        Should holes be required in addition to those provided in shop, provide such holes and strengthen area as
          required, with approval of Structural Engineer. Provide threaded nuts welded to framing and other specialty
          items as required to receive other work. Cut, drill or punch holes perpendicular to metal surfaces. Do not
          flame cut holes or enlarge hole by burning. Drill holes in bearing plates.

     L.   After erection, prime welds, abrasions and surfaces not shop primed, except surfaces to be in contact with
          concrete. Apply by brush or spray to provide 1.5 ml minimum dry film thickness.
 M.   Grout under base plates and beam bearing plates with specified grout in accordance with manufacturer�s
      directions. Do not remove shims, but cut them flush with edge of base plates.

3.03 ERECTION TOLERANCES

 A.   Maximum Variation From Plumb: 1/4 inch per story, non-cumulative.

 B.   Maximum Offset From True Alignment: 1/4 inch.

3.04 FIELD QUALITY CONTROL

 A.   The Owner will employ an independent testing agency to provide field inspection of members,
      connections, and welds.



                                          END OF SECTION
SECTION 05210 – STEEL JOISTS


PART 1 GENERAL

1.01 SUMMARY

 A.   Bidding Documents and Information, Conditions of the Contract and Division 1 - General Requirements
      apply to the Work of this Section of the Specifications.

 B.   Section includes open web steel joists with bridging, attached seats, chord extensions, and anchors.

1.02 RELATED SECTIONS

 A.   Section 01351: Sustainable Project Requirements.

 B.   Section 05120: Structural Steel.

 C.   Section 05310: Steel Decking.

 D.   Section 05500: Steel Fabrications.

1.03 SUBMITTALS

 A.   General Requirements: Section 01330.

 B.   Shop Drawings: Indicate configuration, sizes, spacing, locations of joists, joist leg extensions, bridging,
      connections, attachments, and cambers.

 C.   Reference “LEED REQUIREMENTS” section below for additional submittal requirements.

1.04 DELIVERY, STORAGE AND PROTECTION

 A.   General Requirements: Section 01600.

 B.   Store on platform or skids, upright to prevent twisting, and to SJI requirements.

1.05 ENVIRONMENTAL REQUIREMENTS

 A.   Observe environmental precautions based on conditions.

 B.   Establish required measurements on the mean operating temperature of the structure. Make allowances for
      the difference between the temperature at the time of erection and the mean temperature at which the
      structure will be when completed and in service.

1.06 QUALITY ASSURANCE

 A.   Perform fabrication and erection in accordance with SJI “Standard Specifications, for Open Web Steel
      Joists, and Longspan Steel Joists”, latest edition.

 B.   Manufacturer’s Qualifications: Manufacturer to be a member of Steel Joist Institute and certified by SJI to
      manufacture joists conforming to SJI “Standard Specifications, Load Tables and Weight Tables for Steel
      Joists and Joist Girders”, latest edition.
     C.       Manufacturers:
1.        Canam Steel, Washington, MO.
2.        Gooder-Henrichsen, Chicago Heights, IL.
3.        Vulcraft, Norfolk, NE.
4.        Acceptable Substitution.

     D. Erector’s Qualifications: Company specializing in the erection of steel joists with minimum of 5 years
           documented experience.

     E. Field Welding Qualifications: Provide welding process and welding operations in accordance with American
              Welding Society’s �Structural Welding Code�, AWS D1.1.

1.07 LEED REQUIREMENTS

     A. The structural steel utilized in this project will contribute toward achieving the LEED credit for recycled
           content in the overall project. Per the Steel Recycling Institute, structural steel typically contains about
           95% recycled content. The Structural Steel Fabricator shall submit information indicating the recycled
           content (by weight) of the steel to be used on this project with the Shop Drawings. Indicate how much of
           the recycled content is pre-consumer and how much is post consumer.

     B. The structural steel products utilized in this project will contribute toward achieving the LEED credit for
           regional materials. To the greatest extent possible, structural steel products shall be extracted, processed,
           and manufactured regionally (reference Section 01351 – Sustainable Project Requirements for the
           definition of a material that is extracted, processed, and manufactured regionally). At Substantial
           Completion, the Steel Fabricator shall report to the General Contractor the total cost of the structural steel
           products used on the project (not including labor or equipment) and the cost of the structural steel products
           that meet the LEED definition of a regional material (not including labor or equipment

PART 2 PRODUCTS

2.01 STEEL JOISTS

     A. Open Web Joists Members: SJI Type K or KCS Open Web and Longspan LH.

     B. Bridging, Headers, Anchor Bolts, Nuts and Washers: Per SJI requirements, as shown by structural engineer, or
            more restrictive requirements of manufacturer.

     C. Primer: VOC compliant. Performance meeting requirements of FS TT-P-664.

     D. Bearing Plates and Supplementary Framing: ASTM A36.

      E. Welding Materials: AWS D1.1; type required for materials being welded.

2.02 FABRICATION

     A. Manufacturer joists to SJI requirements.

     B. Furnish bottom and top chord extensions as indicated on Drawings.

     C. Drill holes in chords necessary for attachment of wood nailers.

     D. Shop welding shall comply with AWS requirements for shop welding, appearance, quality of welds and
           methods used in correcting welding work.
2.03 FINISH

     A. Prepare joist component surfaces in accordance with SSPC SP 2.

     B. Shop prime joists. Do not prime surfaces being field welded or in contact with concrete.

2.04 BRIDGING

     A. Fabricate and install bridging anchors and number of rows of bridging of material, size and type required by SJI
           Specifications for type of joist, chord size, spacing and span. Supply additional bridging to ensure stability
           of structure during construction period.

     B. Bridging will be exposed to view and requires careful installation and coordination to obtain acceptance by the
            Architect.

2.05 TOP CHORD EXTENSIONS

     A. Provide top chord extensions as shown on Drawings. Capable of carrying design loads indicated.

2.06 BOTTOM CHORD EXTENSIONS

     A. Extend bottom chord of steel joists to within 1 inch of walls or beam lines where ceiling occur. Provide
           manufacturer’s standard bottom chord extensions which meet applicable reference standards.




PART 3 EXECUTION

3.01 EXAMINATION

     A. Verify field conditions are acceptable and are ready to receive work. Examine supporting substrates, embedded
           bearing plates and abutting structural framing, with installer present, for compliance with requirements for
           installation tolerances, elevations, slopes, pitches, alignment and other conditions affecting performance of
           joists.
             Do not proceed with installation until unsatisfactory conditions have been corrected.

     B. No steel joists shall be erected until elevations, slopes, pitches, and alignment of bearing plates, anchor bolts,
           and the like have been checked and approved by the General Contractor.

3.02 ERECTION

     A. Erect and bear joists on supports. Erect joists straight and with axis vertical.

     B. Allow for erection loads. Install temporary bracing to maintain framing in alignment until completion of
           erection and installation of permanent bridging and bracing. Place bridging before joists are loaded.

   C. Bearing:
         1. Open Web Steel Joists:
a. Masonry: 4 inches minimum at 8 inch nominal CMU walls and 6 inches minimum at 1 foot or greater nominal
CMU walls, unless noted otherwise.
b.       Steel: 2-1/2 inches minimum, unless noted otherwise.

            2.     Long Span Steel Joists:
a.          Masonry: 6 inches minimum, unless noted otherwise.
b.       Steel: 4 inches minimum, unless noted otherwise.
D. Joist Anchorage to Masonry: Anchor ends of steel joists in masonry walls as shown on Drawings.
  E. Joist Anchorage to Steel:
          1. Weld steel joists to steel beams or bearing plates on both sides of joist bearing.
a. Open Web Steel Joists: 1-1/2 inches minimum weld, unless noted otherwise.
b. Long Span Steel Joists: 3 inches minimum weld, unless noted otherwise.
F. After joist alignment, field weld joist seat to bearing surfaces.
G. Position and field weld joist chord extensions and wall attachments as detailed.
H. After erection, prime welds, abrasions, and surfaces not shop primed except surfaces to be in contact with
concrete.

3.03 ERECTION TOLERANCES

 A. Tolerances shall meet SJI requirements.

 B. Maximum Variation From Plumb: 1/4 inch.

 C. Maximum Offset from Alignment: 1/4 inch.

3.04 FIELD QUALITY CONTROL

 A. The Owner will employ an independent testing agency to perform field quality control testing.

 B. Field inspection includes individual members, connections and welds. Bolted connections and field welds will
        be visually inspected.

 C. Correct deficiencies in Work that inspections and test reports have indicated are not in compliance with
       specified requirements.

 D. Additional testing will be performed to determine compliance of corrected Work with specified requirements.



                                                END OF SECTION
SECTION 05310 – STEEL DECK

PART 1 GENERAL

1.01 SUMMARY

 A. Bidding Documents and Information, Conditions of the Contract and Division 1 - General Requirements apply
       to the Work of this Section of the Specifications.

  B. Section Includes:
1        Steel Roof Deck and Accessories.
2        Acoustic Steel Deck and Insulation Inserts.
3        Steel Floor Deck and Accessories.
4        Framing for openings up to and including 1 foot.
5        Provide and install custom metal closure strips to close off flutes in steel deck where partitions and other
building components are installed or erected tight to underside of steel deck.

1.02 RELATED SECTIONS

 A. Section 01351: Sustainable Project Requirements.

 B. Section 03050: Concrete.

 C. Section 05210: Steel Joists.

 D. Section 05500: Metal Fabrications.

 E. Section 09900: Paints and Coatings.

1.03 SUBMITTALS

 A. General Requirements: Section 01330.

 B. Shop Drawings: Indicate decking plan, support locations, projections, openings and reinforcement, pertinent
       details, and accessories.

 C. Reference “LEED REQUIREMENTS” section below for additional submittal requirements.

1.04 DELIVERY, STORAGE AND PROTECTION

 A. General Requirements: Section 01600.

 B. All deck exposed to view and to remain unfinished shall be manufactured, stored at the manufacturing facility,
        shipped and stored on site so as to be protected from the weather and shall be installed free of all white
        deleterious coatings, blemishes or water spots. Deck exposed to view and to remain unfinished that is
        installed and does not exhibit a uniform aesthetic finish acceptable to the Architect will be rejected
        and required to be removed at no cost to the Owner.

 C. Store decking on dry wood sleepers; slope for positive drainage.
 D. Decking shall not be used for storage or as a working platform until fasteners are in place and installation is
       reviewed by Structural Engineer.

 E. Decking shall not be overloaded during construction operations.

 F. Re-fasten anchorage damaged under high wind conditions or by construction operations. Replace damaged or
        deformed decking where required by Structural Engineer.

1.05 ENVIRONMENTAL REQUIREMENTS

 A. Observe environmental precautions based on conditions.

1.06 QUALITY ASSURANCE

 A. Materials and installation shall conform to requirements of the Steel Deck Institute Design manual.

  B. Comply with the latest editions of the following:
1       American Iron and Steel Institute (AISI): “Specifications for the Design of Cold Formed Steel Structural
Members.”
2       American Welding Society (AWS): “Structural Welding Code.”
3       American Society for Testing Materials (ASTM): “ASTM A611 – Structural Carbon Steel. Cold Rolled
Sheet.”
4       Steel Deck Institute (SDI): “Design Manual for Floor and Roof Decks.”

 C. Manufacturer’s Qualifications: Manufacturer to be a member of Steel Deck Institute and certified by SDI to
       manufacture deck.

 D. Qualify welding process and welding operators in accordance with AWS “Standard Qualification Procedures.”

1.07 SYSTEMS DESCRIPTION:

 A. Roof Deck: Refer to Drawings for type, gauge and connections.

 B. Floor Deck: Refer to Drawings for type, gauge and connections.

 C. Acoustic Deck: Equivalent to roof deck except 20 gauge minimum with NRC=0.90 in accordance with ASTM
       C423, complete with mineral fiber sound absorbing inserts.

1.08 LEED REQUIREMENTS

 A. The steel utilized in this project will contribute toward achieving the LEED credit for recycled content in the
       overall project. Per the Steel Recycling Institute, steel typically contains about 95% recycled content. The
       Steel Fabricator shall submit information indicating the recycled content (by weight) of the steel to be used
       on this project with the Shop Drawings. Indicate how much of the recycled content is pre-consumer and
       how much is post consumer.

 B. The steel products utilized in this project will contribute toward achieving the LEED credit for regional
       materials.
        To the greatest extent possible, steel products shall be extracted, processed, and manufactured regionally
       (reference Section 01351 – Sustainable Project Requirements for the definition of a material that is
       extracted, processed, and manufactured regionally). At Substantial Completion, the Steel Fabricator shall
       report to the General Contractor the total cost of the steel products used on the project (not including labor
       or equipment) and the cost of the steel products that meet the LEED definition of a regional material (not
       including labor or equipment
PART 2 PRODUCTS
2.01 STEEL DECK

     A. Manufacturers:
1.     United Steel Deck.
2.     Vulcraft Steel Deck.
3.     Wheeling Corrugating Co.
4.     Acceptable Substitution.

     B. Deck Types
1.     Roof Deck N.
2.     Roof Deck B.
3.     Acoustic Deck - 20 gauge.
4.     Floor Deck - Non-Cellular.

     C. Sheet Steel: ASTM A653 Structural Quality having a minimum yield strength of 33 ksi; prime painted, G90
           galvanizing where indicated and on exterior canopy decks.

     D. Bearing Angles: ASTM A36 steel, unfinished.

     E. Welding Materials: AWS D1.1.

     F. Touch-Up Primer: Zinc Red oxide type.

     G. Flute Closures: Custom shaped metal; profiled to fit tight to decking.

     H. Acoustical Deck Insulation Inserts: Manufacturer�s standard.

     I. Painted Finish: Chemically clean and phosphate treat deck surfaces to meet Federal Specification TT-P-664.
            Paint both surfaces with oil base alkyd primer. Exterior canopy deck shall not be painted.

2.02 FABRICATION

     A. Fabricate to Steel Deck Institute requirements for types of deck shown and scheduled.
1.     Formed Sheet Width: 2 feet - 8 inches.
2.     Side Joints: Lapped.
3.     Flute Sides: Plain vertical face.
4.     Fabricate in single lengths for multiple spans, including overhangs.
5.     Fabricate with minimum 2 inches nested end laps and nested side laps.

     B. Deck Accessories: Metal closure strips (finish to match deck), wet concrete stops, cant strips, cover plates, 20
           gauge sheet steel.

     C. Sump Pan: 14 gauge sheet steel; shape to size/slope.

     D. Floor Drain Pan: 14 gauge sheet steel; shape to size/slope.

     E. Fasteners: Hardened steel, galvanized, self tapping. Stainless steel on exterior canopy decks.

     F. Weld Washers: Mild steel, uncoated.

     G. At exterior canopy decks, and interior exposed-deck �not painted� conditions use stainless steel screws
           clipped to expose no more than 3/4 inch of screw body.
PART 3 EXECUTION
3.01 EXAMINATION

 A. Verify field conditions are acceptable and are ready to receive work.

 B. Correct conditions detrimental to the proper and timely completion of the Work. Do not proceed with Work
       until unsatisfactory conditions have been corrected.

3.02 INSTALLATION

 A. Erect metal decking in accordance with Steel Deck Institute Design Manual, latest edition.

 B. Supporting members shall be completely in place before laying of deck units is undertaken. Laying and
       aligning of units shall be done so as to maintain the required number of units shown on the shop drawings,
       and to prevent stretching or contracting of the side laps. The decking units shall be welded to the structural
       supports. End laps shall occur over supports.

 C. Bear decking on steel supports with 1-1/2 inch minimum bearing. Align and level.

 D. Place deck units flat and square, secured to adjacent framing without warp or excessive deflection.

 E. Provide additional reinforcement and closure pieces at openings as required for strength, continuity of decking
        and support of other work.

 F. Fasten deck to steel support members at ends and intermediate supports with fusion welds through weld
        washers or mechanical fasteners at spacing indicated on Drawings. Fasteners within 4 feet of exterior walls
        shall be at 6 inches o.c. for 1-1/2 inch roof decking.

 G. Weld in accordance with AWS D1.1.

 H. Fasten deck sidelaps as indicated on Drawings. Button punched side lap connections are not acceptable unless
        indicated on Drawings.

 I. Verify acoustical deck insulation inserts are installed prior to placing roof sheathing and/or insulation.

 J. Steel deck openings less than or equal to 1 foot on a side do not require reinforcing. For openings greater than 1
         foot on a side, reinforce per information shown on Drawings.

 K. Install 6 inch minimum wide sheet steel cover plates, of same thickness as decking, where deck changes
        direction. Fusion weld or mechanically attach 1 foot o.c. maximum.

 L. Provide openings in deck for passage of work by others. Openings designed and detailed on Structural
       Drawings shall be cut by deck erector. Other openings shall be cut in the field by the trade involved.

 M. Cut and neatly fit deck around other work projecting through or adjacent to decking. Additional holes or
      openings required in the deck not designed and detailed shall be approved by the Structural Engineer.

 N. Coordinate floor deck installation with plumbing and electrical contractors. Seal joints to prevent leakage of
       wet concrete.

 O. Install wet concrete stops at deck edge upturned to top surface of slab.

 P. Install sheet steel closures and angle flashings to close openings between deck and walls, columns, and
        openings.

 Q. Position roof sump pans with flange bearing on top surface of deck. Attach at each deck flute.
 R. Immediately after welding deck and other metal components in position, coat welds, weld blooms, burned
       areas, and damaged surface coating, with touch-up prime paint.

 S. Damaged deck, including sheets containing distortions or deformations caused by construction practices, shall
      be repaired, replaced or shored to satisfaction of Structural Engineer before placing concrete fill or roofing
      system.

3.03 FIELD QUALITY CONTROL

 A. The Owner will employ an independent testing agency to perform field quality control observations.

 B. Mechanical fasteners and welds will be reviewed by Structural Engineer for spacing and quality.

 C. Remove and replace work that does not comply with specified requirements.

 D. Additional review will be performed to determine compliance of corrected work with specified requirements.



END OF SECTION
SECTION 05400 – COLD-FORMED METAL FRAMING
PART 1 GENERAL

1.01 SUMMARY

    A. Bidding Documents and Information, Conditions of the Contract and Division 1 - General Requirements apply
          to the Work of this Section of the Specifications.

    B. Section Includes:
1          Axially Loaded Steel Studs.
2          Exterior Wall Closures.
3          Bracing, Fasteners and Accessories.

1.02      RELATED SECTIONS

    A.    Section 01351: Sustainable Project Requirements.

    B.    Section 05120: Structural Steel.

    C.    Section 05310: Steel Decking.

    D.    Section 07210: Building Insulation.

    E.    Section 09260: Gypsum Board Assemblies.

1.03      SUBMITTALS

    A.    General Requirements: Section 01330.

  B.     Shop Drawings:
1        Indicate component details, framed openings, lintels, bearing, anchorage, loading, welds, type and location
of fasteners, and accessories or items required of related work.
2        Indicate stud layout.
3        Indicate gauges, spacings and sizes of members.
4        Indicate cuts and connections.
5        Provide calculations for loading and stresses of framing.

    C.    Product Data: Describe materials and finish, product criteria, and limitations.

    D.    Reference “LEED REQUIREMENTS” section below for additional submittal requirements.

1.04      DELIVERY, STORAGE AND PROTECTION

    A.    General Requirements: Section 01600.

1.05      ENVIRONMENTAL REQUIREMENTS

    A.    Observe environmental precautions based on conditions.
1.06 QUALITY ASSURANCE

     A.       Perform Work in accordance with AISI - Cold-Formed Steel Design Manual.

     B.       Welder Qualifications: Qualified in accordance with AWS �Standard Qualifications Procedure.�

     C.       Erector Qualifications: Minimum 3 years experience in erection of cold formed metal framing for projects
              of similar size and complexity.

     D.       Design system to accommodate 3/4 inch vertical deflection of structural building frame, live loading,
              seasonal, and day/night temperature ranges and construction tolerances.

     E.       Size components for horizontal deflection limits of 1/600 of wall height.

1.07 LEED REQUIREMENTS

     A.       The steel utilized in this project will contribute toward achieving the LEED credit for recycled content in
              the overall project. Per the Steel Recycling Institute, steel typically contains about 95% recycled content.
              The Steel Fabricator shall submit information indicating the recycled content (by weight) of the steel to be
              used on this project with the Shop Drawings. Indicate how much of the recycled content is pre-consumer
              and how much is post consumer.

     B.       The steel products utilized in this project will contribute toward achieving the LEED credit for regional
              materials.
               To the greatest extent possible, steel products shall be extracted, processed, and manufactured regionally
              (reference Section 01351 – Sustainable Project Requirements for the definition of a material that is
              extracted, processed, and manufactured regionally). At Substantial Completion, the Steel Fabricator shall
              report to the General Contractor the total cost of the steel products used on the project (not including labor
              or equipment) and the cost of the steel products that meet the LEED definition of a regional material (not
              including labor or equipment

PART 2 PRODUCTS

2.01 COLD FORMED METAL FRAMING

     A.       Manufacturers:
              1. Allied Studco, Inc.
1.        American Studco, Inc.
2.        Cemco, Inc.
3.        Dale/Incor, Inc.
4.        Dietrich Industries, Inc.

              2. Unimast Incorporated.

     B. Studs: ASTM C955, galvanized G60 minimum, 100% recycled steel, formed to cee shape, punched web; 18
            gauge thick, 1-5/8 inch face and 6 inch depth, minimum yield of 33,000 psi.

     C. Track and Headers: Formed 100% recycled steel ASTM A611, galvanized G60 minimum; channel shaped;
           same depth as studs, tight fit; 18 gauge, solid web, minimum yield of 33,000 psi.

2.02 ACCESSORIES

     A. Bracing, Furring, Bridging, Plates, Gussets, Clips: Formed sheet steel, thickness to match studs; same finish as
           framing members.
B. Screws: Hot dip galvanized, self drilling, self tapping.

C. Anchorage Devices: Power actuated, ASTM B633.
 D. Welding: In accordance with AWS D1.1 and AWS D1.3.

 E. Primer: Touch-up for galvanized surfaces, SSPC - Paint 20.

2.03 FABRICATION

 A. Fabricate assemblies of sizes and profiles required; with framing members fitted, reinforced and braced.

 B. Fit and assemble in largest practical sections for delivery to site, ready for installation. Prefabricated panels
        shall be square with components attached in a manner to prevent racking.

 C. Cut framing components squarely for attachment to perpendicular members or as required for an angular fit
       against abutting members. Hold members positively in place until properly fastened.

 D. Install axially loaded studs in a manner to ensure that ends of studs are positioned against inside track web prior
        to stud and track alignment.

 E. Provide insulation equal to that specified in Section 07210 in double jamb studs and double header members
        not accessible to the insulation contractor.

2.04 FINISHES

 A. Galvanize to ASTM A123, G60 coating class.

PART 3 EXECUTION

3.01 EXAMINATION

 A. Verify substrate surfaces and building framing components are ready to receive work. Do not proceed with
       Work if conditions are unacceptable for stud framing. Coordinate Work with sheathing contractor.

3.02 ERECTION OF STUDS

 A. Align floor and ceiling tracks; locate to wall or partition layout. Secure in place at maximum 1 feet 4 inches oc.
        Coordinate installation of sealant with floor and ceiling tracks.

 B. Align holes in stud walls to facilitate straight horizontal electrical conduit and piping pathways.

 C. Unless otherwise shown, place studs at 1 foot 4 inches oc; not more than 2 inches from abutting walls, and at
       each side of openings. Connect studs to tracks.

 D. Construct corners using minimum three studs. Double stud wall openings, door and window jambs.

 E. Erect load bearing studs one piece full length. Splicing of studs is not permitted.

 F. Allow for deflection, directly below horizontal building framing for non-load bearing framing.

 G. Attach cross studs to studs for attachment of fixtures anchored to walls and for attachment of mechanical and
        electrical items within walls.

 H. Provide cripple studs above and below openings, at free-standing elements and wherever required to provide
       support. Securely attach cripple studs to supporting members. Lintel sizes: Refer to Structural Drawings.
 I. Bridging: Provide stud bridging and install in a manner to provide resistance to both minor axis bending and
        stud rotation. Space bridging rows in accordance with manufacturer�s recommendations, but not less than
        5 feet oc for wind loaded walls and 3 feet 4 inches oc for axially loaded walls.

 J. All combined studs shall be stitch welded.

3.03 CONNECTIONS

 A. At Structural Steel: Welded.

 B. To Wood: Bolted.

3.04 FIELD TOUCH-UP

 A. Touch-up field welds and damaged prefinished surfaces with galvanized primer.

3.05 TOLERANCES

 A. Maximum Variation from Indicated Position: 1/4 inch.

 B. Maximum Variation of Member from Plane: 1/4 inch in 8 feet.


END OF SECTION
SECTION 05500 – METAL FABRICATIONS


PART 1 GENERAL

1.01 SUMMARY

 A. Bidding Documents and Information, Conditions of the Contract and Division 1 - General Requirements apply
       to the Work of this Section of the Specifications.

   B. Section Includes:
          1. Shop Fabricated Metal Items.
a.        Lintels, Angles, Channels, Tubes.
b.        Plate Steel Fabrications.

2.       Steel Stairs/Landings.
3.       Metal Railings, Guardrails, and Wall Brackets.
4.       Bollards.
5.       Framing for Mechanical Openings/Penetrations.
6.       Operable Wall and Accordion Partition Support Beams/Bolts.
7.       Decorative Metal.
8.       Finished Wall Panels.
9.       Elevator Support Steel and Hoist Beam.
10. Solar Screens.
11. Trash Enclosure.
12. Wall Expansion Joint Covers.
13. Support Steel for TV Brackets.
14. Roof Ladders and Roof Hatch Access Ladders.
15. Clip Angles for Attachment of Internal Wood Frames at Windows.
16. Steel Channel Cornerguards at Boys’ and Girls’ Toilets.
17. Metal back-box at shower valve in A151.

  C. Furnish Only:
1        Anchor bolts and weld plates for anchoring metal fabrications for Section 03050 Concrete and Section
04810 Unit Masonry.
2        Angle steel lintels for Section 04810 Unit Masonry.

1.02     RELATED SECTIONS

 A.      Section 01351: Sustainable Project Requirements.

 B.      Section 03050: Concrete.

 C.      Section 04810: Unit Masonry Assemblies.

 D.      Section 05120: Structural Steel.

   E.    Section 05310: Steel Deck.

 F.      Section 08550: Wood Windows.

 G.      Division 15: Mechanical Equipment Supports.
1.03    SUBMITTALS

 A.     General Requirements: Section 01330.

 B.     Shop Drawings: Indicate profiles, sizes, attachments, reinforcing, anchorage, size and type of fasteners,
        accessories and finishes.

  C.     Provide templates for anchor and bolt installation by others. Indicate field measurements required.
1        Indicate welded connections using standard AWS A2.0 welding symbols. Indicate net weld lengths.
2        Submit certification by fabricator that handrails and stairs have been designed by a structural engineer
licensed in the State of Colorado and that the completed handrail installation conforms to ASTM E985 for structural
performance based on testing performed in accordance with ASTM E894 and E935.

 D. Prepare Shop Drawings under direct supervision of a Professional Engineer experienced in this type of work
       and licensed in the State of Colorado.

   E. Samples: Indicate color, texture, pattern, and edge details.
        1. Decorative Metals: 2 - 6 x 6 inch square samples.

 F. Reference “LEED REQUIREMENTS” section below for additional submittal requirements.

1.04 DELIVERY, STORAGE AND PROTECTION

 A. General Requirements: Section 01600.

1.05 ENVIRONMENTAL REQUIREMENTS

 A. Observe environmental precautions based on conditions.

1.06 QUALITY ASSURANCE

 A. Conform to requirements of American Institute of Steel Construction (AISC): Code of Standard Practice for
       Steel Buildings and Bridges.

 B. American Welding Society (AWS): D1.1 - Structural Welding Code.

 C. Welder Qualifications: Qualified according to AWS Standard Qualifications Procedures.

 D. Fabricator Qualifications: Firm experienced in successfully producing metal fabrications similar to that
       indicated for this Project with sufficient production capacity to produce required units without causing
       delay in the Work.

   E. Metal Surfaces: Use only materials which are smooth and free of surface blemishes including pitting, seam
       marks, roller marks, rolled trade names, roughness and steel sheet variations in flatness not exceeding
       those permitted by referenced standards.

 F. Conform to Code of Standard Practice for the Architectural Metals Industry AMO-555-92 and Voluntary
       Finish Standards by National Ornamental and Miscellaneous Metals Association (NOMMA).

1.07 SYSTEM DESCRIPTION

 A. Design stair assembly to support live load of 100 lb/sq ft with deflection of stringer or landing framing not to
       exceed 1/240 of span.
 B. Design handrails and attachments to resist lateral force of 200 pounds at any point without damage or
       permanent set. Design guardrails to resist a point load of 50 pounds/lin. foot at any point without damage or
       permanent set.

1.08 LEED REQUIREMENTS

 A. The metal utilized in this project will contribute toward achieving the LEED credit for recycled content in the
       overall project. Per the Steel Recycling Institute, steel typically contains between 30% and 95% recycled
       content. The Metal Fabricator shall submit information indicating the recycled content (by weight) of the
       metals to be used on this project with the Shop Drawings. Indicate how much of the recycled content is
       pre-consumer and how much is post consumer.

 B. The metal products utilized in this project will contribute toward achieving the LEED credit for regional
       materials. To the greatest extent possible, metal products shall be extracted, processed, and manufactured
       regionally (reference Section 01351 – Sustainable Project Requirements for the definition of a material that
       is extracted, processed, and manufactured regionally). At Substantial Completion, the Metal Fabricator
       shall report to the General Contractor the total cost of the metal products used on the project (not including
       labor or equipment) and the cost of the metal products that meet the LEED definition of a regional material
       (not including labor or equipment).

 C. All related products (i.e. adhesives) installed in an interior location or location that can off-gas to the interior of
        the building shall comply with the VOC limits outlined in Section 01351 – Sustainable Project
        Requirements.

PART 2 PRODUCTS

2.01 METAL FABRICATIONS

 A. Steel Sections: ASTM A36/A36M.

 B. Steel Plate: ASTM A283.

 C. Steel Tubing: ASTM A500, Grade B.

 D. Steel Pipe: ASTM A53, Grade B. Pipe shall be standard weight with black finish unless otherwise noted.

   E. Sheet Steel: ASTM A653/A653M, Grade B Structural Quality.

  F. Decorative Metals:
1         Galvanized Sheet Steel, 20 gauge, for Wainscot and horizontal surfaces in Corridors (see finish plans).
(This is the metal for the “roofing” inside the building and the wainscot. The substrate is plywood.)
2         Galvanized, Corrugated Sheet Steel: (Home Depot or Sutherland’s) 31 gauge, (see interior elevations).
Attach with sheet metal screws and washers.

 G. Expanded Metal Mesh for Kitchen Screen Door: McNichols Co. or Acceptable Substitution ¾ #9 flattened hot
       dip galvanized steel.

 H. Steel Clip Angles for Window Frame Attachment: 3 inch long 2 x 2 x 1/8 for attaching Division 06100 frames
        to wall framing system, galvanized finish.

2.02 PERFORATED METAL AT INTERIOR STAIRS

    A. At Stairs D205, D220 and D237, risers shall be 14 gauge plain steel with 1/8 inch holes at 3/16 inches oc,
          40 percent open area with 1 inch margin at folded sides. McNichols or Acceptable Substitution.
2.03 ACCESSORIES

     A. Welding Materials: AWS D1.1.

     B. Fasteners: Appropriate for substrates being anchored to and of adequate size to provide a permanently rigid and
            secure installation.
            1. Finish for Exterior Use: Zinc coated, ASTM A153.

     C. Bolts, Nuts and Washers: Regular hexagon head type, ASTM A325, Grade A.

     D. Lag Bolts: Square head type, Federal Specification FF-B-561.

      E. Machine Screws: Cadmium plated steel, Federal Specification FF-S-92.

     F. Toggle Bolts: Spring-wing type, Federal Specification FF-B-588, round head style, except where countersunk
           flat head is required.

     G. At exterior exposed galvanized steel roofing overhangs use stainless steel screws clipped to expose no more
           than 3/4 inch of screw body.

     H. Lag Screw Expansion Shields: Rawl “Lag Shields” Federal Specification FF-S-325, No. 3.2.2.1, to penetrate
           concrete or masonry a minimum of 1-1/2 inches.

     I. Shop and Touch-Up Primer: SSPC 15, Type 1, red oxide.

     J. Touch-Up Primer for Galvanized Surfaces: SSPC 20 Type I Inorganic.

     K. Concrete and Reinforcement for Treads and Landings: supplied and installed under Section 03050.

      L. Non-Metallic Non-Shrink Grout: Pre-mixed, non-shrinking, non-staining, non-metallic, non-corrosive, non-
          gaseous grout:
          1. Acceptable Manufacturers:
a.        L&M Construction Chemicals, Inc.: “Crystex.”
b.        Master Builders: “Masterflow 713.”
c.        Sonneborn-Contech: “Sonogrout.”
d.        The Euclid Chemical Company: “EUCO N-S Grout.”
e.        U.S. Grout Corporation: “Five Star Grout.”

2.04        FABRICATION

  A.     General:
1        Modification of details for economic or feasibility purposes permitted only on written approval of
Architect.
2        Fit and shop assemble items in largest practical sections, for delivery to site. Where field joints are
required, completely assemble work in shop to ensure accurate fit and disassemble for shipment.
3        Continuously seal joined members by continuous welds. Use welded connections wherever possible.
Locate welds in least conspicuous location. Perform welding in accordance with AWS requirements.
4        Grind exposed joints flush and smooth with adjacent finish surface. Make exposed joints butt tight, flush,
and hairline. Ease exposed edges to small uniform radius.
5        Fabricate joints which will be exposed to weather in a manner to exclude water or provide weep holes
where water may accumulate.
6        Exposed Mechanical Fastenings: Avoid using mechanical fasteners where possible. When necessary, use
flush countersunk screws or bolts, consistent with design of component. Mechanical connections shall be adequate
to develop the full strength of the members being framed together. Nick threads of screws and bolts to prevent
loosening.
7. Cut, reinforce, drill and tap miscellaneous metal work as indicated to receive finish hardware and similar items.
8. Supply components required for anchorage of fabrications. Fabricate anchors and related components of same
material and finish as fabrication.
9.        Connection and accessories shall be adequate to withstand loads and stresses.
10. Accurately form components required for anchorage of stairs, landings, and railings to each other and to building
structure.

B. Pan Stairs And Landings:
1        Fabricate stairs and landings with closed risers (except where perforated metal risers are shown) and treads
of metal pan construction, ready to receive concrete.
2        Comply with “Recommended Voluntary Minimum Standards for Fixed Metal Stairs” in NAAMM “Metal
Stair Manual” for Commercial class unless otherwise indicated.
3        Provide intermediate support of treads and risers so unsupported span does not exceed 3 feet 6 inches .
Provide intermediate support at landings so unsupported span does not exceed 2 feet.
4        Secure tread pans to stringers; weld in place.
5        Form stringers with steel sections indicated on Drawings.

C. Handrails:
1.        Type 2 Railing System Joint Construction required.
2.        Fit and shop assemble components in largest practical sizes, for delivery to site.
3.        Grind exposed joints flush and smooth with adjacent finish surface.
4.        Accurately form components to fit stairs and landings, to each other and to building structure.
5. Provide wall brackets, end closures, flanges, miscellaneous fittings and anchors for interconnections of pipe and
attachment of railings and handrails to other work. Furnish inserts and other anchorage devices for connecting
railings and handrails to concrete or masonry work as detailed.
6. Close ends of handrails and return to wall. Provide appropriate malleable iron handrail brackets for pipe handrails
where the use of handrail brackets is noted.
7. Paint interior railings formed from steel pipe with shop primer. Provide ferrous metal fittings, brackets, fasteners
and sleeves.
8. Provide steel sheet or plate fillers of thickness and size indicated or required to support structural loads of
handrails where necessary to transfer wall bracket loads through wall finishes to structural supports. Size fillers to
suit wall finish thicknesses. Size fillers to produce adequate bearing to prevent bracket rotation and overstressing of
substrate.
9.        Fabricate handrails from 1-1/4 inch NPS round pipe unless noted otherwise.
10. Galvanize exterior railing and handrails formed from settle pipe. Galvanize fittings, fasteners, sleeves and other
componenets.

D. Pipe Bollards:
       1. Schedule 80 galvanized steel pipe sections for filling with concrete.

  E. Secondary Framing:
        1. Fabricate secondary steel framing supports for ceiling hung equipment including operable walls and
                 accordion partitions.
F. Ladders:
1         Fabricate ladders for locations shown on Drawings, with dimensions, spacings, details and anchorages as
indicated. Comply with the requirements of ANSI A14.3. If not otherwise shown, use 0.5 inch x 2.5 inch flat bar
side rails and 1 foot – 6 inches long, 0.75 inch diameter solid bars spaced at 1 foot o.c. fir into siderails, plug welded
and ground smooth.
2         :Securely anchor to walls as detailed for a safe and secure installation. Support each ladder at top and
bottom and at intermediate points spaced not more than 4 feet o.c. by means of welded or bolted steel brackets.

                a. Size brackets to hold centerline of ladder rungs clear of the wall surface by not less than 7 inches.
       3. Provide 1 1/2” diameter hand rails at roof ladder.
  G. Metal Bar Gratings at roof ladder:
        1. Provide metal bar gratings of description indicated per NAAMM marking system that comply with the
                 following:
                 a. Metal Bar Grating Standard “Standard Specifications for Metal Bar Grating and Metal Bar
                           Grating Treads” published in ANSI/NAAMM MBG 531 “Metal Bar Grating Manual.”
        2. Fabricate welded steel gratings to comply with requirements indicated below:
                 a. Mark/Size: W-19-4 welded with bearing bars 1-3/16 inch oc and cross bars 4 inches oc /
                           bearing bars sizes as indicated.
1       Traffic surface for metal bar gratings shall be plain.
2       Acceptable Manufacturers:

a.       Alabama Metal Industries Corp.
b. Barnett/Bates Corp.
c. IKG Industries
d. Trueweld, Inc.
e. McNichols Co.
f. Trueweld, Inc.
g. Acceptable Substitution

2.05 FINISHES

 F. Prepare surfaces to be primed in accordance with SSPC SP 2 for interior metal and SP-1/SP-6 for exterior
        metal.

 G. Clean surfaces of rust, scale, grease, and foreign matter prior to finishing.

 H. Shop prime interior items with one coat. Do not prime surfaces in direct contact with concrete or where field
       welding is required.

 I. Spray apply shop primer paint to items exposed to view. Provide dry paint film thickness of 2 mils minimum.

  J. Sheet steel finish panels shall be G-90 coated galvanized steel of lock-forming grade, in accordance with
        ASTM standards A525 and A527, mill phosphatized.

 K. All exterior steel, except lintels, to be galvanized; all interior steel to be prime painted, unless noted otherwise.

PART 3 EXECUTION

3.01 EXAMINATION

 A. Verify field conditions are acceptable and are ready to receive Work.

3.02 PREPARATION

 A. Clean and strip primed steel items to bare metal where site welding is required.

 B. Supply steel items required to be cast into concrete or embedded in masonry with setting templates to
       appropriate contractors.

 C. Protect surfaces in contact with cementitious materials and dissimilar materials with bituminous paint or
       membrane matching miscellaneous metal finish. Allow to dry prior to installation.
3.03 INSTALLATION

 A. Install items plumb and level, accurately fitted, free from distortion or defects.

 B. Provide for erection loads and for sufficient temporary bracing to maintain true alignment until completion of
       erection and installation of permanent attachments.

 C. Field weld components indicated on Drawings.

 D. Perform field welding in accordance with AWS D1.1.

  E. Obtain approval prior to site cutting or making adjustments not scheduled.

 F. After erection, prime welds, abrasions, and surfaces not shop primed or galvanized, except surfaces to be in
        contact with concrete.

3.04 ERECTION TOLERANCES

 A. Maximum Variation from Plumb: ¼ inch per 8 feet.

 B. Maximum Offset from Tru Alignment: ¼ inch.

 C. Maximum Out of Position: ¼ inch.




                                                END OF SECTION
SECTION 05800
EXPANSION CONTROL

PART 1 - GENERAL

1.0 RELATED DOCUMENTS:

 Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division 1-Specification sections, apply to work of
this section.

1.1 SUMMARY:

Section Includes:

 Control and expansion joint devices for floor, wall, ceiling, and interior surfaces
as shown on the drawings.

Work Furnished But Installed Under Other Sections:

Furnish joint device frames to be attached to formwork to Section 03310 -
Concrete.

Furnish joint device frames to be embedded into masonry to Section 04200 - Unit
Masonry.

Related Sections:

 Exterior and interior concrete joints and junction of concrete slab-on-grade and
perimeter walls: Sections 02750 and 03347.
 Flashing and sheet metal: Section 07620.
 Roof control joints: Section 07620.
 Expansion and control joint finishing utilizing a sealant and bond breaker:
Section 07900.

1.2 SUBMITTALS:

Shop Drawings:

Submit shop drawings, product data, and manufacturer's installation instructions.

 Indicate joint device profiles, dimensions, locations in the Work, affected
adjacent construction, anchorage device, available colors and finish, and
locations of the splices.
Samples:

Submit two samples 6" long, illustrating profile, dimension, color and finish
selected for floor, wall, and ceiling units.

PART 2 - PRODUCTS

2.1 MANUFACTURERS:

Provide expansion control devices manufactured by one of the following:

Architectural Art Metal Mfg., Inc.
Balco/Metalines
Construction Specialties, Inc.
MM Systems Corp.
Watson Bowman Acme Corp.

2.2 MATERIALS:

Extruded Aluminum: ASTM B221, 6063 alloy, T5 temper.

Resilient Filler: Neoprene or elastomer, exhibiting Shore A hardness suitable to
conditions.

Threaded Fasteners: Stainless steel.

2.3 FINISH:

Exposed Extruded Sections on Floors: Mill finish.

Exposed Extruded Sections on Walls and Ceilings: Clear anodized.

Resilient Filler: Color as selected by Architect from manufacturer's full line of
standard colors.

2.4 FABRICATION:

Back paint components in contact with cementitious materials to prevent
electrolysis.

Galvanize concealed ferrous metal anchors and fastening devices.

Shop assemble components and package with anchors and fittings.

Provide joint components in single lengths wherever practical to minimize site
splicing.
 Provide fire barrier insulation and support to achieve fire rating of floor and wall
construction and as acceptable to authorities having jurisdiction. Furnish units
which have been satisfactorily tested in accordance with ASTM E119 for the hour
ratings required.

PART 3 - EXECUTION

3.1 PREPARATION:

 Furnish setting drawings, diagrams, templates, instructions, and directions for
installation of anchorages, such as concrete inserts, anchor bolts and
miscellaneous items having integral anchors, which are to be embedded in
concrete or masonry construction. Coordinate delivery of such items to project
site.

3.2 INSTALLATION:

Install components and accessories in accordance with manufacturer's
instructions.

Align work plumb and level, flush with adjacent surfaces.

Rigidly anchor to substrate to prevent movement or misalignment.

3.3 PROTECTION:

Protect finished installation under provisions of Section 01500.

Provide removable strippable coating to protect finish joint surface.

3.4 SCHEDULE OF DEVICES:

Floor to Floor Joints:

 Manufacturer/Model Number: Balco/Metalines Type RDA-2 or acceptable
substitution by listed manufacturer.

Floor to Wall Joints:

 Manufacturer/Model Number: Balco/Metalines Type RDAL-2 or acceptable
substitution by listed manufacturer.

Exterior Wall Joints:

 Manufacturer/Model Number: Balco/Metalines Type FCWW-2 at 180E conditions
and FCWWE-2 at 90E conditions or acceptable substitution by listed
manufacturer.

Interior Wall Joints:

 Manufacturer/Model Number: Balco/Metalines Type WD-2 at 180E conditions and
WDC-2 at 90E conditions or acceptable substitution by listed manufacturer.
Include Balco/Metalines No. 2WFB-2 fire barrier where indicated.

Ceiling Joints at Suspended Acoustic Ceiling Finish:

 Manufacturer/Model Number: Balco/Metalines Type ACL-2 or acceptable
substitution by listed manufacturer. Include Balco/Metalines No. 2CFB-2 fire
barrier where indicated.

Ceiling Joints at Gypsum Board Ceiling Finish:

  Manufacturer/Model Number: Balco/Metalines Type WD-2 at ceiling-to-ceiling
joints and Type WDC-2 at ceiling-to-wall joints or acceptable substitution by
listed manufacturer.

END OF SECTION 05800
SECTION 05810 – EXPANSION JOINT COVER ASSEMBLIES


PART 1 GENERAL

1.01 SUMMARY

 A. Bidding Documents and Information, Conditions of the Contract and Division 1 - General Requirements apply
       to the Work of this Section of the Specifications.

 B. Section Includes:
        1. Control and expansion joint devices for wall, floor, and gypsum board ceiling and floor surfaces as
                 shown on the Drawings.

1.02 RELATED SECTIONS

 A. Section 01351: Sustainable Project Requirements.

 B. Section 03050: Concrete.

 C. Section 04810: Unit Masonry Assemblies.

 D. Section 05310: Steel Deck.

 E. Section 05500: Metal Fabrications.

 F. Section 07620: Sheet Metal Flashing and Trim.

 G. Section 07900: Joint Sealers.

 H. Section 09510: Acoustical Ceilings.

1.03 SUBMITTALS

 A. General Requirements: Section 01330.

 B. Shop Drawings: Indicate joint device profiles, dimensions, connection attachments, locations in the Work,
       affected adjacent construction, accessories and finishes and locations of splices.

 C. Product Data with manufacturer�s installation instructions.

 D. Samples: Submit two, 6 inch long samples illustrating profile, dimension, color and finish selected for units.

 E. Reference “LEED REQUIREMENTS” section below for additional submittal requirements.

1.04 DELIVERY, STORAGE AND PROTECTION

 A. General Requirements: Section 01600.

1.05 ENVIRONMENTAL REQUIREMENTS

 A. Observe environmental precautions based on conditions.
1.08 LEED REQUIREMENTS

     A. The metal utilized in this project will contribute toward achieving the LEED credit for recycled content in the
           overall project. Per the Steel Recycling Institute, steel typically contains between 30% and 95% recycled
           content. The Metal Fabricator shall submit information indicating the recycled content (by weight) of the
           metals to be used on this project with the Shop Drawings. Indicate how much of the recycled content is
           pre-consumer and how much is post consumer.

     B. The products utilized in this project will contribute toward achieving the LEED credit for regional materials. To
           the greatest extent possible, products shall be extracted, processed, and manufactured regionally (reference
           Section 01351 – Sustainable Project Requirements for the definition of a material that is extracted,
           processed, and manufactured regionally). At Substantial Completion, the Subcontractor shall report to the
           General Contractor the total cost of the products used on the project (not including labor or equipment) and
           the cost of the products that meet the LEED definition of a regional material (not including labor or
           equipment).

PART 2 PRODUCTS

2.01 MANUFACTURERS

     A. Provide expansion control devices manufactured by one of the following:
1.     Architectural Art Metal Manufacturing, Inc.
2.     Balco/Metalines, Inc.
3.     Construction Specialties, Inc.
4.     MM Systems Corporation.
5.     Pawling Corporation.
6.     Watson Bowman Acme Corporation.
7.     Acceptable Substitution.

2.02 MATERIALS

     A. Extruded Aluminum: ASTM B221 6063 alloy, T5 temper.

     B. Aluminum Plates: 6061 alloy, T6 temper.

     C. Aluminum Sheet: 5052 alloy, H32 temper.

     D. Resilient Filler: Extruded neoprene or elastomer, exhibiting Shore A25 hardness suitable to conditions and
           conforming to Fed Spec TT-S-00227-E(3) where shown on Drawings.

     E. Threaded Fasteners: Stainless steel.

     F. Adhesives: Conforming to ASTM D2835 or ASTM D4070 and compatible with resilient filler.

     G. Expansion Joints:
1.     Ceiling, Drywall, and Acoustical: MM Series DX200.
2.     Floors: Balco/Metalines Series, RDA-10 for 2 inch wide joint with M-2000 Metaflex Fire Barrier.

     H. Aluminum Protection: Surfaces in contact with concrete or dissimilar metals shall be treated with a factory
           applied chromate conversion coating for corrosion resistance.

     I. Galvanize concealed ferrous metal anchors and fastening devices.

     J. Accessories: Furnish necessary anchors, fillers and seals to provide a complete installation.
2.03 FINISHES

 A. Provide removable strippable coating to protect finish joint surface.

 B. Clear: 0.7 mil thick anodic coating conforming to AA-M10-C22-A31.


PART 3 EXECUTION

3.01 EXAMINATION

 A. Verify field conditions are acceptable and are ready to receive Work.

3.02 PREPARATION

 A. Make provisions for erection loads with temporary bracing. Keep work in alignment.

 B. Furnish setting drawings, diagrams, templates, instructions and directions for installation of anchorages, such as
        concrete inserts, anchor bolts and miscellaneous items having integral anchors, which are to be embedded
        in concrete or masonry construction. Coordinate delivery of such items to project site.

3.03 INSTALLATION

 A. Install components and accessories in accordance with manufacturer�s instructions.

 B. Install items plumb and level, accurately fitted, free from distortion or defects and flush with adjacent surfaces.

 C. Rigidly anchor to substrate to prevent movement or misalignment.

 D. Protect finished installation.



                                                END OF SECTION

				
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