A. Drawings and general provisions ofthe Contract ... · PDF fileA. Drawings and general provisions ofthe Contract, including General and Supplementary ... bex steel structural bolts

SECTION 051200 - STRUCTURAL STEEL F1DLMING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions andDivision O l Specification Sections, apply to tiffs Section.

1.2 SUMMARY

A. Sectioo Includes:

1. Stroctaral steel.

2. Grout.

1.3 DEFINITIONS

A. Structoral Steel: Elements of stnmtural-steel flame, as classified by AISC 303, "Code of Standard

Practice for Steel Boildlngs and Bridges."

1.4

A.

B.

ACTION SUBMITTALS

Product Data: For each type ofproduct indicated.

Shop Drawings: Show fabrication ofstructural-steel components.

1. Inclode details ofcnts, connections, splices, camber, holes, and other pertineot data.2. lnclode embedment drawings.

3. Indicate welds by standard AWS symbols, distingoisbing between shop and field welds, and showsize, length, and type of each weld. Show backing bars tbat are to be removed and supplementalfillet welds where backing bars are to remain.

4. Indicate type, size, and length ofbolts, distinguishing between shop and field

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1.5 INFORMATIONAL SUBMITTALS

A. Welding certificates.

B. Paint Compatibility Certificates: From mamlfacturers of topcoats applied over shop prhners, certifyingthat shop primers are compatible with topcoats.

C. Mill test reports for structoral steel, inclnding chemical and physical properties.

D. Prodnct 'lest Reports: For the following:

1. Bolts, nuts, and washers inclading mechanical properties and chemical analysis.

2. Shop primers.3. Nooslu'ink grout.

STRUCTURAL STEEL FRAMING

051200- 1

E. Source quality-control reports.

1.6

A.

B.

C.

QUALITY ASSURANCE

Fabricator Qualifications: A qualified fabricator tbat participates in the AISC Quality CertificationProgram aod is designated an AISC-Certified Plant, Category STD.

Installer Qualifications: A qoalified installer who participates iu the AISC Quality Cerllficafion Programand is designated an AISC-Certified Erector, Category ACSE.

Welding Qoalifications: Qualify procedores and persnnnel according to AWS DI.1/DI.IM, "StructuralWelding Code - Steel."

Welders and welding operators perfm•ming work on bottom-flange, demand-critical welds shallpass the supplemental welder qualification testing, as required by AWS DI.8. FCAW-S andFCAW-G shall be considered separate processes for welding personnel qoalification.

D. Comply with applicable provisions of the following specificatious and documents:

2.

3.

4.

AISC 303.

AISC 341 and AISC 341sl.

AISC 360.

RCSC's "Specification for Structural Joints Using ASTM A 325 or A 490 Bolls."

1.7

A.

DELIVERY, STORAGE, AND HANDLING

Store materials to permit easy access for inspection and identification. Keep steel members off gronndand spaced by using pallets, du•mage, or other supports and spacers. Protect steel members nnd packagedmaterials fi'om corrosion and deterioration.

Do not store materials on stn•cture in a manner that might cause distortion, damage, or overload tomembers or supporting structures. Repair or replace damaged materials or structures as directed.

B. Store fasteners in a protected place in sealed containers with manufacturer's labels intact.

Fasteners may be repackaged provided Owner's testing and inspecting agency observesrepackaging and seals containers.

Clean and relobricate bolts and nuts that become dry or rusty before use.Comply witli manufactorers' written reco•muendations for cleaning and lubricating ASTM F 1852fasteners and for retesting fasteners after lobrication.

1.8

A.

COORDINATION

Coordinate selection of sbop primers with topcoats to be applied over them. Comply with paint andcoating manufactnrers' recommendations to ensure that shop primers and topcoats are compatible withone anotber.

Coordinate installation of anchorage items to be embedded in or attacbed to other construction witboutdelaying the Work. Provide setiing diagrams, sheet metal templates, instructions, and directions forinstallation.

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PART 2 - PRODUCTS

2. I STRUCTURAL-STEEL MATERIALS

A. Recycled Content of Steel Products: Posteonsumer recycled content plus one-half of preconsnmerrecycled content not less than 25 percent.

B. W-Sbapes: ASTM A 992/A 992M.

C. Channels, Angles: ASTM A 36/A 36M.

D. Plate and Bar: ASTM A 36/A 36M.

E. Steel Pipe: ASTM A 53/A 53M, Type E or S, Grade B.

1. Weight Class: Standard.2. Fh•ish: Black.

F. Welding Electrodes: Comply with AWS requirements.

2.2

A.

BOLTS, CONNECTORS, AND ANCHORS

Higb-Streogth Bolts, Nuts, and Washers: ASTM A 325, Type I, beavy-bex steel structural bolts;ASTM A 563, Grade C, heavy-hex carbon-steel nuts; and ASTM F 436, Type 1, hardened carbon-steelwasbers; all witb plain finisb.

Shear Connectors: ASTM A 108, Grades 1015 through 1020, headed-stud type, cold-finisbed carbon

steel; AWS DI.I/DI.IM, Type B.

Unbeaded Anchor Rods: ASTM F 1554, Grade 36.

2.

3.

4.

5.

Configuration: As indicated.

Nuts: ASTM A 563 heavy-bex carbon steel.Plate Wasbers: ASTM A 36/A 36M carbon steel.

Washers: ASTM F 436, Type 1, hardened carbon steel.Finlsb: Hot-dip zinc coating.

D. Headed Anchor Rods: ASTM F 1554, Grade 36, si/aight.

2.

3.

4.

Nnts: ASTM A 563 beavy-bex carbon steel.Plate Washers: ASTM A 36/A 36M carbon steel.

Washers: ASTM F 436, Type 1, hardened carbon steel.

Finisb: Hot-dip zinc coating.

Threaded Rods: ASTM A 36/A 36M.

Nnts: ASTM A 563 heavy-hex carbon steel.

Washers: ASTM F 436, Type 1, hardened carbon steel.

Finisb: Hot-dip zinc coathig, ASTM A 153/A 153M, Class C.

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Clevises and Tnmbnckles: Made from cold-finished carbon steel bars, ASTM A 108, Grade 1035.

Eye Bolts and Nuts: Made fi'om cold-finished carbon steel bars, ASTM A 108, Grade 1030.

STRUCTUP,AL STEEL FRAMING

051200 - 3

H. Sleeve Nuts: Made from cold-f'mished carbon steel bars, ASTM A 108, Grade 1018.

2.3 PRIMER

A. Primer: Fabricator's standard lead- and cbromate-ffee, nonasphaltic, rust-inbibiting primer complyingwith MPI#79 and compatible with topcoat.

B. Galvanizing Repair Paint: MPI#18, MPI#19, or SSPC-Paint 20.

2.4

A.

GROUT

Nonmetallic, Shrinkage-Resistant Grout: ASTM C 1107, factory-packaged, nonmetallic aggregate gront,uoncorrosive and nonstaining, mixed with water to consistency suitable for application and a 30-minuteworking time.

2.5

A.

FABRICATION

Structaral Steel: Fabricate and assemble in shop to greatest extent possible. Fabricate according toAISC's "Code of Standard Practice for Steel Buildings and Bridges" aud AISC 360.

1. Camber structural-steel members where indicated.

2. Fabricate beams with rolling camber ap.3. Identify high-strength siructaral steel according to ASTM A 6/A 6M and maintain markings until

structural steel has beeu erected.

4. Mark aud match-mark materials for field assembly.5. Complete structural-steel assemblies, includlng welding of units, before starting shop-priming

operations.

B. Thermal Cutting: Perform tbermal cntiing by •nachine to greatest extent possible.

D.

E.

F.

1. Plane thermally cut edges to be welded to comply with requiremeats in AWS D 1. I/DI. I M.

Bolt Holes: Cut, drill, mechanically thermal cut, or punch standard bolt holes perpendicular to metalsarfaces.

Finishing: Accarately finish euds ofcolumns and other members lransmitting bearing loads.

Cleaning: Clean and prepare steel surfaces that are to remain unpainted according to SSPC-SP 2, "HandTool Cleaning or SSPC-SP 3• "ower Tool Cleaning."

Shear Co•mectors: Prepare steel surfaces as recmnmended by mannfactnrer of shear connectors. Useautomatic cud welding of headed-stud shear connectors according to AWSDI.I/DI.1M andmanufacturer's written instructions.

Holes: Provide holes reqnired for secnring other work to stractaral steel and for other work to passthrough steel fi'aming members.

Cut, drill, or punch holes perpendicalar to steel surfaces. Do uot thermally cut bolt holes orenlarge holes by burning.

Baseplate Holes: Cut, drill, mecbanically thermal cnt, or punch holes perpendicular to steelsurfaces.

Weld threaded nuts to fi'aming and other specialty items indicated to receive other work.

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2.6

A.

SHOPCONNECTIONS

High-Strength Bolts: Shop install high-strength bolts according to RCSC's "Specification for StrncturalJoints Using ASTM A 325 or A 490 Bolts" for type ofbolt and type ofjoint specified.

I. Joint Type: Snug tightened.

Weld Connections: Comply with AWS DI.1/DI.IM and AWS DI.8/D1.8M for tolerances, appearances,welding procedore specifications, weld qoality, and methods osed in correcting welding work.

Assemble and weld built-up sections by methods that will maintain true alignment of axes without

exceeding tolerances in AISC 303 for mill material.

2.7

A.

SHOP PRIMING

Shop prime steel surfaces except the following:

I. Surfaces embedded in concrete or mortar. Extend priming of partially embedded members to adepth of2 inches.

2. Surfaces to be field welded.

3. Galvanized surfaces.

Surface Preparation: Clean surfaces to be painted. Remove loose rust and mill scale and spatter, slag, orflux deposits. Prepare surfaces according to the following specifications and standards:

SSPC-SP 2, "Hand Tool Cleaning."

SSPC-SP 3, "Po•ver Tool Cleaning."

Priming: hmnediately after surface preparation, apply primer according to manufacturer's writteninstructions and at rate recommended by SSPC to provide a minimum dry fihn tblckness of 1.5 mils. Usepriming methods that result in full coverage ofjoints, corners, edges, and exposed surfaces.

Stripe paint corners, crevices, bolts, welds, and sharp edges.Apply two coals of shop paint to surfaces that are inaccessible after assembly or erection. Changecolor of second coat to distinguish it fi'om fin'st.

Painting: Prepare steel and apply a oue-coal, nonasphaltic primer complying with SSPC-PS Guide 7.00,"Painting System Guide 7.00: Guide for Selecting One-Coat Shop Painting Systems," to provide a dryfihn thlckuess ofnot less than 1.5 mils.

2.8

A.

GALVANIZING

Hot-Dip Galvanized Finish: Apply zinc coating by the hot-dip process to structural steel according toASTM A 123/A 123M.

Fill vent and drain holes that will be exposed in the finished Work unless they will function as

weep holes, by plugging with zinc solder and filing off smooth.Galvanize lintels attached to structural-steel fi'ame and located in exterior walls.


10-12-2012 051200 - 5

2.9

A.

SOURCE QUALITY CONTROL

Testing Agency: Owner •vill engage an independent testing and inspecting agency to perform shop testsaud inspections and prepare test reports.

Provide testing agency with access to places where slructural-steel work is being fabricated orprodoced to perform tests and inspections.

Correct deficiencies in Work that test reports and inspections indicate does not comply with the ContractDoculneuts.

Bolted Connections: Shop-bolted connectious will be visually inspected.

Welded Connections: Fillet welds shall be visually inspected. In addition to visoal inspection, fidlpenetratiou groove welds shop-welded connections •vill be tested and inspected according toAWS D1. I/D 1.1M and the following inspection procedures, at testing agency's option:1. Ultrasonic Inspection: ASTM E 164.

2. Radiographic Inspection: ASTM E 94.

PART 3 - EXECUTION

3.1

A.

EXAMINATION

Verify, with steel Erector present, elevations of coucrete- and masonry-bearing surfaces and locations ofanchor rods, bearing plates, and olher embedments for compliance witll requirements.

Prepare a certified survey of beariug surfaces, anchor rods, bearing plates, and other embedmentsshowing dhnensions, locations, angles, and elevations.

B. Preceed with installation only al•er unsatisfactory couditions have been corrected.

3.2

A.

PREPARATION

Provide temporary shores, guys, braces, and other supports duriug erection to keep stn•ctural steel secure,plumb, and in alignment against temporary coustraction loads and loads equal in intensib, to design loads.Remove temporary sapports when permanent structoral steel, connections, aod bracing are in place unlessotherwise indicated.

Do not remove temporary shoring supporting composite deck construction until cast-in-placeconcrete has attained its design compressive s•rength.

3.3 ERECTION

Set sia'uctural steel accurately iu locations and to elevations indicated and according to AISC 303 aodA1SC 360.

Base Plates: Clean concrete- and masonry-bearing surfaces of bond-reducing materials, and roughensurfaces prior to setting plates. Clean bottom surface ofplates.

Set plates for structural members on wedges, shims, or setting nuts as required.Weld plate washers to top of baseplate.

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P.

G.

H.

Snug-tighten anchor rods after supported members have been positioned and plumbed. Do not

remove wedges or shims but, if protruding, eat off flush with edge of plate before packing withgroat.

Promptly pack grout solidly between bearing surfaces and plates so no voids remain. Neatlyfinish exposed surfaces; protect grout and allow to cure. Comply with manufacturer's writteninstallatiou instmctious for shrinkage-reslstant grouts.

Maintain erection tolerances of structural steel within AISC's "Code of Standard Practice for Steel

Buildings and Bridges."

Align and adjust various members that form part of complete frame or stractare before permanently

fastening. Before assembly, clean bearing surfaces and other surfaces that will be in permauent contactwith members. Perform necessary adjustments to compensate for discrepancies in elevations andaligmnent.

Level and phnnb individual members ofstructure.

Make allowances for difference between temperature at time of erection and mean temperaturewhen structure is completed and in service.

Splice members only where indicated.

Do not use thermal cutting during erection unless approved by Engineer. Finish thermally cutseetinns within smoothness limits in AWS DI.I/DI.IM.

Do not enlarge unfair holes in members by burning or using drift pins. Ream holes that must be e•dargedto admit bolts.

Shear Connectors: Prepare steel sarfaces as recommended by manufacturer of shear connectors. Useautomatic end welding of headed-stud shear connectors according to AWSDI.I/DI.IM andmnnufacturer's written ins•uctinns.

3.4

A.

FIELD CONNECTIONS

High-Strength Bolts: Iustall high-strength bolts accordiug to RCSC's "Specification for Structural JointsUsing ASTM A 325 or A 490 Bolts" for type ofbolt and type ofjoint specified.

1. Joint Type: Snng tightened.

Weld Cmmections: Comply with AWS DI.IIDI.IM and AWS DI.8/DI.8M for tolerances, appearances,

welding procedure specifications, weld quality, and methods used in correcting welding xvork.

Comply with AISC303 aud A1SC360 fro" bearing, alignment, adequacy of temporaryconnections, and removal ofpaint on surfaces adjacent to field welds.Remove backing bars or runofftabs where indicated, back gouge, and grind steel smooth.Assemble and weld built-up sections by methods that will maintain true alignment of axes withoutexceeding tolerances in AISC's "Code of Slandard Practice for Steel Buildings and Bridges" formill material.

3.5 FIELD QUALITY CONTROL

A. Testing Agency: Owner will engage a qualified independent testing and inspecting agency to visually

inspect field welds and high-strength bolted connections.


10-12-2012 051200 - 7

B. Welded Connections: Field welds will be visually inspected according to AWS D1. I/D 1.1M.

In addition to visaal inspection, fidl penetration groove field welds will be tested and inspectedaccording to AWS DI.I/DI.IM and the following inspection procedures, at testing agency'soption:

a. Ultrasonic Inspection: ASTM E 164.b. Radiographic Inspection: ASTM E 94.

Correct deficiencies in Work that test reports and inspections indicate does not comply with the ContractDocaments.

3.6

A.

REPAIRS AND PROTECTION

Galvanized Surfaces: Clean areas where galvanizing is damaged or missing and repair galvanizing tocomply with ASTM A 780.

Touchnp Painting: Immediately after erection, cleau exposed areas where prinaer is damaged or missiugand paint with the same material as used for shop painting to comply with SSPC-PA 1 for touching opshop-painted snrfaces.

1. Clean and prepare surfaces by SSPC-SP 2 hand-tool cleaning or SSPC-SP 3 power-tool cleaniag.

Tonchnp Painting: Cleaning and tonchap painting are specified in Section 099113 "Exterior Painting"and Section 099123 "Interior Painting."

END OF SECTION 051200


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SECTION 052100 - STEEL JOIST FRAMING

PART l - GENERAL

l.l RELATED DOCUMENTS

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

1.2 SUMMARY

A. Section h•cludes:

1. K-series steel joists.2. Joist accessories.

B. Related Requirements:

1. Section 033000 "Cast-in-Place Concrete" for installing bearing plates in concrete.2. Section 042000 "Unit Masonry" for installing bearing plates in nnit masonry.3. Section 051200 "Structural Steel Framing" for field-welded shear com•ectors.

1.3

A.

DEFINITIONS

SJl's "Specifications": Steel Joist Institute's "Standard Specifications, Load Tables and Weight Tables forSteel Joists and Joist Girders."

Special Joists: Steel joists or joist girders requiring modification by manufacturer to support nonaniform,uueqoal, or special Ioadiug conditions that invalidate load tables in SJI's "Specificatious."

1.4

A.

B.

ACTION SUBMITTALS

Product Data: For each type ofjoist, accessory, and product.

LEED Submittals:

Product Data for Credit lvlR4: For prodncts having recycled content, docnmentation indicatingpercentages by weight of postconsumer and preconsomer recycled content, loclnde statementindicating cost for each prodact having recycled content.

C. Shop Drawings:

lnclade layoot, designation, number, type, location, and spacing ofjoists.Include joining and anchorage details, bracing, bridging, aud joist accessories; splice andconnection locations and details; and attachments to other coustruction.

Indicate locations and details ofbearing plates to be embedded iu other constroctiou.

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A. Qualification Data: For manufucturer.

B. Welding certificates.

C. Manufacturer ceriificates.

D. Mill Certificates: For each type of bolt.

E. Comprehensive engineering analysis of special joists signed and sealed by the qualified professionalengineer responsible for its preparation. Also perform uplift analysis and bridging design for all joists.

1.6

A.

QUALITY ASSURANCE

Mannfacturer Qualifications: A manufacturer certified by SJI to manufactore joists complyh•g witbapplicable standard specifications and load tables iu SJI's "Specifications."

1. Mannfactnrer's responsibilities include providing professional engineering services for designingspecial joists to comply with performance requirements.

Welding Qualifications: Qnalify field-welding procedures and personnel according toAWS D1. I/D 1. IM, "Structural Welding Code - Steel."

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver, store, and handle joists as recommended in SJI's "Specificatious." Protect joists fi'om corrosion,deformatioa, and other damage durh•g delivery, storage, and handling.

1.8 SEQUENCING

A. Deliver steel bearing plates to be built into masonry construction.

PART 2 - PRODUCTS

2.1

A.

PERFORMANCE REQUIREMENTS

Structural Performance: Provide special joists and com•ections capable of withstandh•g design loadsindicated.

Use ASD; data are given at service-load level.Design special joists to withstand design loads with live-load deflections no greater than thefollowh•g:a. Roof Joists: Live load vertical deflection of 1/240 of the span.

Recycled Content of Steel Products: Postcousumer recycled content plos one-half of preconsumerrecycled content not less than 25 percent.

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2.2 K-SERIES STEEL JOISTS

A. Mauufaeture steel joists of type indicated according to "Standard Specifications for Opeo Web SteelJoists, K-Series" io SJl's "Specifications," Mth steel-angle top- aud bottom-chord melnbers, ondershmgends, aod parallel top chord.

1. Joist Type: K-series steel joists.

B. Steel Joist Substitutes: Maoufacture according to "Standard Specifications for Open Web Steel Joists, K-Series" in SJl's "Specificatioos," with steel-angle or -chaooel members.

C. Provide holes in chord members for conoecting and secnring other coostrnction to joists.

D. Top-Chord Extensions: Extend top chords of joists with SJl's Type S top-chord extensioos whereindicated, complying with SJl's "Specificatioos?'

E. Extended Eods: Exteod bearhig ends of joists with SJl's Type R exteoded ends where iudicated,complying with sJrs "Specificatioos."

F. Camber joists according to SJl's "Specificatious.".

G. Equip beariug ends of joists with manufacturer's staodard beveled ends or sloped shoes if joist slopeexceeds I/,! inch per 12 iuches.

2.3

A.

PRIMERS

Primer: SSPC-Paint 15, or maoufactnrer's staodard shop primer complying with performancerequirements in SSPC-Paint 15.

Bridgiug: Provide bridgh•g anchors and oumber of rows of horlzootal or diagonal bridging of material,size, and type required by SJl's "Specifications" for type ofjoist, chord size, spacing, aud spao. Furnishadditional erection bridging if required for stability.

Fabricate steel beariog plates from ASTM A 36/A 36M steel with integral aocborages of sizes andthicknesses iodicated. Slmp prime paint.

Steel bearing plates with iotegral anchorages are specified in Section 055000 "Metal Fabricatious."

Furnish ceiliog extensions, either extended bottom-chord elements or a separate extension unit of euoughstrength to snpport ceiling constructioo. Exteod ends to within 1/2 inch of fmished wall surface unlessotherwise iodicated.

Carbon-Steel Bolts and Tlu'eaded Fasteners: ASTM A 307, Grade A, carboo-steel, hex-head bolts andtbxeaded fasteners; carbon-steel nuts; aod fiat, nnhardeoed steel washers.

1. Finish: Plain, uncoated.

High-Strength Bolts, Nuts, and Washers: ASTM A 325, Type 1, heavy bex steel structural bolts;ASTM A 563 heavy hex carbon-steel nnts; and ASTM F ,136 hardened carbon-steel washers.

1. Finish: Plain.

H. Welding Electrodes: Comply with AWS staodards.


10-12-2012 052100 - 3

I. Fnrnisb miscellaneons accessories inchlding splice plates and bolts reqaired by joist manufacturer to

complete joist assembly.

2.4 CLEANING AND SHOP PAINTING

A. Clean and remove loose scale, heavy rast, and other foreign materials fi'om fabricated joists andaccessories by band-tool cleaning, SSPC-SP 2 or po•ver-tool cleaning, SSPC-SP 3.

B. Apply one coat of shop primer to joists and joist accessories to be primed to provide a contim•ous, drypaint film not less than I rail thick.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine snpporting sobsh'ates, embedded bearing plates, and aborting structnral fi'aming for colnpliancewith requirements for installation tolerances and other conditions affecting performance.

B. Proceed •vith installation only after unsatisfactory conditinns have been corrected.

3.2

A.

B.

INSTALLATION

Do not install joists nntil supporting consh'uction is in place and secnred.

Install joists aod accessories plumb, square, and h'ue to line; secarely fasten to sapporting constl•uctionaccording to SJI's "Specifications," joist mannfactorer's written recommendations, and requirements inthis Section.

Before installation, splice joists delivered to Project site in more than one piece.Space, adjust, and align joists accnrately in location before permanently fasteoing.Install temporary braciog and erection bridging, connections, and anchors to ensure that joists arestabilized dnring constraction.

Delay rigidly coonecting bottom-chord extensions to coluoms or snpports nntil dead loads areapplied.

Field weld joists to snppo•/iog steel bearing plates and fi'amework. Coordinate •velding seqoence andprocednre •vitb placement of joists. Comply with AWS requirements and procedures for welding,appearance and quality of welds, and methods nsed in correcting welding work.

Bolt joists to snpporting steel framework asing carbon-steel bolts.

Bolt joists to snpporting steel framework osing high-strength st•'uctural bolts. Comply with ResearchCoancil on Structural Connection's "Specification for St•'uctural Joints Using ASTMA325 orASTM A 490 Bolts" for high-strength structural bolt installation and tigbtening reqoirements.

Install and com•ect bridging concnrrently with joist erection, before construction loads are applied.Anchor eods ofbridging lines at top and bottom cbords if terminating at walls or beams.

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A. Testing Agency: Owner will engage a qualified independent testing and inspecting agency to inspectfield welds and bolted connections and to perform field tests and inspections and prepare test andinspection reporis.

B. Visaally inspect field welds according to AWS DI. I/DI.IM.

C. Visually inspect bolted com•ections.

D. Correct deficiencies in Work that test and haspection reports have indicated are not in compliance withspecified requh'ements.

E. Perform additional testing to determine compliance of con'ected Work with specified requirements.

3.4

A.

PROTECTION

Repair damaged galvanized coatings on galvanized items with galvanized repair paint according toASTM A 780 and mannfacturer's written instructions.

Toachnp Painting: After installation, promptly clean, prepare, and prime or reprime field connections,rust spots, and abraded surfaces of prime-painted joists, bearing plates, abutting structural steel, andaccessories.

Clean and prepare sorfaces by hand-tool cleaning according to SSPC-SP 2, or power-tool cleaningaccording to SSPC-SP 3.

Apply a compatible primer of same type as primer used on adjacent surfaces.

Provide final protection and maintain conditions, in a manner acceptable to manufactnrer aud Installer,that ensure flint joists and accessories are without damage or deterioration at time of SubstantialCompletion.



10-12-2012 052100 - 5

SECTION 053100 - STEEL DECKING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of the Contract, inclndiug Geoeral and Supplementary Conditions andDivision 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section lnclodes:

I. Roof deck.

1.3 ACTION SUBMITTALS

A. Product Data: For each type ofdeck, accessory, aod prodnct indicated.

B. Shop Drawings:

1. loclude layont and types of deck panels, anchorage details, reinforcing channels, pans, cnt deckopenings, special jointing, accessories, and attachments to other construction.


A. Welding certificates.

B. Product Certificates: For each type ofsteel deck.

C. Evahmtlon Reports: For steel deck.

D. Field quality-control reports.

1.5 QUALITY ASSURANCE

A. Testing Agency Qualifications: Qualified according to ASTM E 329 for testing indicated.

B. Welding Qnalificatious: Qaalify procedures and personnel according to AWS DI.3, "Structural WeldingCode - Sheet Steel."

C. FM Global Listing: Provide steel roof deck evaluated by FM Global and listed in its "Approval Gnide,Building Materials" for Class 1 fire rating and Class 1-90 windstorm ratings.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Protect steel deck frmn corrosion, deformation, and other damage daring delivery, storage, and handling.

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10-12-2012 053100- I

B. Stack steel deck on platforms or pallets and slope to provide drainage. Protect with a waterproofcovering and ventilate to avoid condensation.

Protect and ventilate acoustical celhdar roof deck with factm3,-installed insulation to maintaininsulation fi'ee ofmoisture.

PART 2 - PRODUCTS

A. Recycled Content of Steel Products: Postconsumer recycled content plus ol•e-half of preconsomerrecycled content not less than 25 percent.

2.2

A.

ROOF DECK

Mannfacturers: Snbject to compliance with requirements, available mam•facturers offering products thatmay be incorporated into the Work include, bnt are not limited to, the following:

1. ASC Profiles, Inc.; a Blue Scope Steel company.2. Canam United States; Canam Group Inc.3. CMC Joist & Deck.

4. Consolidated Systems, Inc.; Metal Dek Group.5. Cordeck.

6. DACS, Inc.

7. Epic Metals Corporation.8. Marlyn Steel Decks, Inc.

9. New Millemfium Building Systems, LLC.10. Nucor Corp.; Vulcralt Group.11. RoofDeck, Inc.

12. Valley Joist; Subsidiary of EBSCO Industries, lne.13. Verco Maoufactnring Co.

14. Wheeling Corrugating Company; Div. ofWheeling-Pittsbnrgb Steel Corporation.

Roof Deck: Fabricate pauels, without top-flaoge stiffening grooves, to comply with "SDI Specificationsand Commentary for Steel Roof Deck," in SDI Publication No. 31, and with the following:

2.

3.

4.

5.

6.

Galvaoized-Steel Sheet: ASTM A 653/A 653M, Structural Steel (SS), Grade 33 G90 zinc coating.Deck Profile: Type WR, wide rib.Profile Depth: 1-1/2 inches.Design Uncoated-Steel Thickness: As indicated.

Span Condition: Double span or more.Side Laps: Overlapped.

2.3

A.

B.

C.

ACCESSOILIES

General: Provide mannfactnrer's standard accessory materials for deck that cmnply with requirementsindicated.

Mecbanical Fasteners: Corrosion-resistant, low-velocity, power-actuated or pneumatically driven carbon-steel fasteners; or self-drilling, self-threading screws.

Side-Lap Fasteners: Corrosion-resistant, hexagonal washer bead; self-drilling, carbon-steel screws,No. 10 mininmm diameter.

NCDA&CS TIDEWATER GREENHOUSE STEEL DECKING10-12-2012 053100 - 2

Flexible Closure Strips: Vulcanized, closed-cell, synthetic rubber.

Miscellaneous Sheet Metal Deck Accessories: Steel sheet, minimum yield strength of33,000 psi, not lessthan 0.0359-inch design uncoated thickness, of saum material and f'mish as deck; of profile indicated orrequired for application.

Weld Washers: Uncoated steel sheet, shaped to fit deck rib, 0.0598 inch thick, with factory-pnnched holeof3/8-inch minimum diameter.

Galvanizing Repair Paint: ASTM A 780.

Repair Paint: Manufactorer's standard rust-inhibitive primer ofsame color as primer.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine snpporting flame and field conditions for compliance with requirements for installationtole•ances and other conditions affecting performance.

B. Proceed with installation only after onsatisfactory conditions have been corrected.

3.2

A.

E.

F.

G.

H.

INSTALLATION, GENERAL

Install deck panels and accessories according to applicable specificatinos and commentary in SD1Publication No. 31, mannfacturer's written instractinns, and requirements in this Section.

Locate deck brandies to prevent overloading of supporting members.

Place deck panels ou supporting flame and adjust to final position with ends accurately aligned and

bearing on supporting flame before being permanently fastened. Do not stretch or contract side-lapinterlocks.

Place deck panels flat and sqnare and fasten to sapporting flame without warp or deflectioo.

Cot and neatly fit deck panels and accessories around openings and other work projecting through oradjacent to deck.

Provide additional reinforcement and closure pieces at openings as required for strength, continuity ofdeck, and snpport ofother work.

Comply with AWS requirements and procedures for manual shielded metal arc welding, appearance andquality of welds, and methods used for correcting welding work.

Mechanical fasteners may be nsed in lieu of welding to fasten deck. Locate mechanical fasteners andinstall according to deck mamffacturer's written instructions.

3.3 ROOF-DECK INSTALLATION

A. Fasten roof-deck panels to steel supporting members by arc spot (puddle) welds of the surface diameterand spacing indicated.


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B. End Bearing: Install deck ends over sopporting frame with a minimum end bearing of 1-1/2 inches, withendjolnts as follows:

1. End Johtts: Lapped 2 inches minimnm.

Roof Sump Pans and Snmp Plates: Install over openings provided in roof deck and weld or mechanicallyfasten flanges to top of deck. Space welds/fasteners not more than 12 inches apart with at least oneweld/fastener at each corner.

Miscellaneous Roof-Deck Accessories: Install ridge and valley plates, f'mish strips, end closnres, and

reinforcing channels according to deck manafactarer's written instrnctioos. Weld or mechanically fastento sobstrate to provide a complete deck installation.

1. Weld cover plates at chaoges in direction ofroof-deck panels unless otherwise indicated.

Flexible Closare Strips: Install flexible closure strips over partitions, walls, and where indicated. Installwith adhesive according to manufactarer's written instructions to ensare complete closure.


A. Testing Agency: Owner will engage a qualified testing agency to perform tests and inspections.

B. Field welds will be snbject to inspection.

C. Testing agency will report inspection resnlts promptly and in writing to Contractor and Architect.

D. Remove aod replace work that does not comply with specified requirements.

E. Additional inspecting, at Contractor's expense, will be performed to determine compliance of correctedwork with specified requirements.

3.5 PROTECTION

A. Galvanizing Repairs: Prepare and repair damaged galvanized coatings on both sorfaces of deck withgalvanized repair paint according to ASTM A 780 and mamffacturer's written instroctions.

B. Provide final protection and maintain conditinns to ensure that steel deck is without damage ordeterioration at time of Substantial Completion.



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Documents

A. Drawings and general provisions ofthe Contract ... · PDF fileA. Drawings and general provisions ofthe Contract, including General and Supplementary ... bex steel structural bolts