Exhibit A UFGS 05 30 00.pdf

USACE / NAVFAC / AFCEC / NASA UFGS- 05 30 00 ( May 2015) Change 2 - 08/ 18 Pr epar i ng Act i v i t y: NAVFAC Super sedi ng UFGS- 05 30 00 ( November 2011)

UNI FI ED FACI LI TI ES GUI DE SPECI FI CATI ONS

Ref er ences ar e i n agr eement wi t h UMRL dat ed Januar y 2021

SECTION TABLE OF CONTENTS

DIVISION 05 - METALS

SECTION 05 30 00

STEEL DECKS

05/ 15, CHG 2: 08/ 18

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 QUALITY ASSURANCE

1.3.1 Deck Units

1.3.2 Certification of Powder-Actuated Tool Operator

1.3.3 Qualifications for Welding Work

1.3.4 Regulatory Requirements

1.3.4.1 Fire Safety

1.3.4.2 Wind Storm Resistance

1.3.5 Fabrication Drawings

1.4 DELIVERY, STORAGE, AND HANDLING

1.5 DESIGN REQUIREMENTS FOR ROOF DECKS

1.5.1 Properties of Sections

1.5.2 Allowable Loads

PART 2 PRODUCTS

2.1 DECK UNITS

2.1.1 Roof Deck

2.1.2 Acoustical Roof Deck

2.1.3 Composite Deck

2.1.4 Cellular Metal Floor Deck Units

2.1.5 Form Deck

2.1.6 Non-Composite Vented Form Deck

2.1.7 Length of Deck Units

2.1.8 Shop Priming

2.1.9 Touch-Up Paint

2.2 ACCESSORIES

2.2.1 Adjusting Plates

2.2.2 End Closures

2.2.3 Partition Closures

2.2.4 Flexible Closure Strips for Roof Decks

2.2.5 Closure Plates for Composite Deck

SECTION 05 30 00 Page 1

2.2.6 Sheet Metal Collar

2.2.7 Cover Plates

2.2.8 Roof Sump Pans

2.2.9 Column Closures

2.2.10 Access Hole Covers

2.2.11 Hanger

2.2.12 Shear Connectors

2.2.13 Cant Strips for Roof Decks

2.2.14 Ridge and Valley Plates for Roof Decks

2.2.15 Metal Closure Strips for Roof Decks

2.2.16 Galvanized Steel Angles for Roof Decks

2.2.17 Sound Absorbing Material

2.2.18 Mechanical Fasteners

2.2.19 Miscellaneous Accessories

PART 3 EXECUTION

3.1 EXAMINATION

3.2 INSTALLATION

3.2.1 Attachment

3.2.1.1 Welding

3.2.1.2 Mechanical Fastening

3.2.1.3 Sidelap Fastening

3.2.2 Openings

3.2.3 Deck Damage

3.2.4 Touch-Up Paint

3.2.4.1 Roof Deck

3.2.4.2 Floor Deck

3.2.5 Accessory Installation

3.2.5.1 Adjusting Plates

3.2.5.2 End Closures

3.2.5.3 Closures Above Partitions

3.2.5.4 Cover Plates

3.2.5.5 Column Closures

3.2.5.6 Access Hole Covers

3.2.5.7 Hangers

3.2.6 Sound Absorbing Material

3.2.7 Concrete Work

3.2.8 Preparation of Fire-Proofed Surfaces

3.3 ROOF SUMP PANS

3.4 CANT STRIPS FOR ROOF DECKS

3.5 RIDGE AND VALLEY PLATES FOR ROOF DECKS

3.6 CLOSURE STRIPS FOR ROOF DECKS

3.7 ROOF INSULATION SUPPORT FOR ROOF DECKS

3.8 CLEANING AND PROTECTION FOR ROOF DECKS

3.9 FIELD QUALITY CONTROL

3.9.1 Headed Stud Inspection

3.9.2 Deck Weld Inspection

3.9.3 Decks Not Receiving Concrete

-- End of Section Table of Contents --

SECTION 05 30 00 Page 2

USACE / NAVFAC / AFCEC / NASA UFGS- 05 30 00 ( May 2015) Change 2 - 08/ 18 Pr epar i ng Act i v i t y: NAVFAC Super sedi ng UFGS- 05 30 00 ( November 2011)

UNI FI ED FACI LI TI ES GUI DE SPECI FI CATI ONS

Ref er ences ar e i n agr eement wi t h UMRL dat ed Januar y 2021

SECTION 05 30 00

STEEL DECKS

05/ 15, CHG 2: 08/ 18

NOTE: Thi s gui de speci f i cat i on cover s t he r equi r ement s f or st eel f l oor and r oof decks, i ncl udi ng accessor i es.

Adher e t o UFC 1-300-02 Uni f i ed Faci l i t i es Gui de Speci f i cat i ons ( UFGS) For mat St andar d when edi t i ng t hi s gui de speci f i cat i on or pr epar i ng new pr oj ect speci f i cat i on sect i ons. Edi t t hi s gui de speci f i cat i on f or pr oj ect speci f i c r equi r ement s by addi ng, del et i ng, or r evi s i ng t ext . For br acket ed i t ems, choose appl i cabl e i t em( s) or i nser t appr opr i at e i nf or mat i on.

Remove i nf or mat i on and r equi r ement s not r equi r ed i n r espect i ve pr oj ect , whet her or not br acket s ar e present.

Comment s, suggest i ons and r ecommended changes f or t hi s gui de speci f i cat i on ar e wel come and shoul d be submi t t ed as a Criteria Change Request (CCR) .

NOTE: Det er mi ne whi ch r oof ar eas on t he st r uct ur e ar e consi der ed by t he st r uct ur al engi neer as f unct i oni ng as di aphr agms f or t he l at er al f or ce r esi st i ng syst em.

Composi t e decks and di aphr agm act i ng decks, i ncl udi ng connect i ons, shoul d be desi gned by t he st r uct ur al engi neer accor di ng t o t he St eel Deck I nst i t ut e. Ref er t o t he I nt er nat i onal Bui l di ng Code ( I CC I BC) and I CC- ES Eval uat i on Ser vi ce Repor t s ( ESR) based on AC43, Accept ance Cr i t er i a f or St eel Deck Roof and Fl oor Syst ems, i ncl udi ng di aphr agm decks i n sei smi c ar eas. Al l connect i ons must be shown. Dr awi ngs must show wi nd upl i f t l oads f or r oof j oi st desi gn i n addi t i on t o t he i t ems l i s t ed below.

SECTION 05 30 00 Page 3

For non- di aphr agm act i ng, non- composi t e decks, t he cont r act or may pr ovi de t he deck desi gn and connect i ons. I n t hi s case, t he dr awi ngs must show r oof l i ve l oads, i ncl udi ng snow l oads, and wi nd l oads, i ncl udi ng i nt er nal and ext er nal pr essur es and hi gh i nt ensi t y zones. Consi der showi ng a r oof upl i f t and snow l oad pl an on t he dr awi ngs.

I n addi t i on t o t he above, show t he f ol l owi ng i nf or mat i on on t he pr oj ect dr awi ngs:

1. St r uct ur al pr oper t i es ( hei ght , sheet t hi ckness, and sect i on modul i or moment of i ner t i a) .

2. Fl oor and r oof deck penet r at i ons.

3. Locat i on, spaci ng, and si ze of hanger c l i ps or loops.

4. Cl osur e pl at es.

5. Locat i on of cel l ul ar decki ng and whet her i t i s t o be used as el ect r i cal r aceway.

6. Wel d or f ast ener spaci ng.

7. Whet her const r uct i on i s based on shor ed construction.

Desi gn st eel deck t o car r y t he concr et e and st eel deck dead l oads, and t he l i ve l oads dur i ng const r uct i on bef or e t he concr et e set s. Addi t i onal concr et e dead l oad due t o def l ect i on of t he deck shal l be consi der ed when necessar y t o pr event excessi ve st r esses or def l ect i ons i n t he deck.

PART 1 GENERAL

NOTE: The st r uct ur al st eel desi gn must meet t he r equi r ement s of OSHA St eel Er ect i on St andar d, 29 CFR Par t 1926, Subpar t R- St eel Er ect i on.

1.1 REFERENCES

NOTE: Thi s par agr aph i s used t o l i s t t he publ i cat i ons c i t ed i n t he t ext of t he gui de speci f i cat i on. The publ i cat i ons ar e r ef er r ed t o i n t he t ext by basi c desi gnat i on onl y and l i s t ed i n t hi s par agr aph by or gani zat i on, desi gnat i on, dat e, and t i t l e.

Use t he Ref er ence Wi zar d' s Check Ref er ence f eat ur e when you add a Ref er ence I dent i f i er ( RI D) out si de of t he Sect i on' s Ref er ence Ar t i c l e t o aut omat i cal l y pl ace t he r ef er ence i n t he Ref er ence Ar t i c l e. Al so

SECTION 05 30 00 Page 4 use t he Ref er ence Wi zar d' s Check Ref er ence f eat ur e t o updat e t he i ssue dat es.

Ref er ences not used i n t he t ext wi l l aut omat i cal l y be del et ed f r om t hi s sect i on of t he pr oj ect speci f i cat i on when you choose t o r econci l e r ef er ences i n t he publ i sh pr i nt pr ocess.

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN IRON AND STEEL INSTITUTE (AISI)

AISI D100 (2017) Cold-Formed Steel Design Manual

AMERICAN WELDING SOCIETY (AWS)

AWS D1.1/D1.1M (2020) Structural Welding Code - Steel

AWS D1.3/D1.3M (2018) Structural Welding Code - Sheet Steel

ASTM INTERNATIONAL (ASTM)

ASTM A36/A36M (2019) Standard Specification for Carbon Structural Steel

ASTM A123/A123M (2017) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

ASTM A653/A653M (2020) Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

ASTM A780/A780M (2020) Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings

ASTM A792/A792M (2010; R 2015) Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process

ASTM A1008/A1008M (2020) Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardenable

ASTM C423 (2009a) Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

ASTM D746 (2014) Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact

SECTION 05 30 00 Page 5

ASTM D1056 (2014) Standard Specification for Flexible Cellular Materials - Sponge or Expanded Rubber

ASTM D1149 (2007; R 2012) Standard Test Method for Rubber Deterioration - Surface Ozone Cracking in a Chamber

ASTM E84 (2020) Standard Test Method for Surface Burning Characteristics of Building Materials

FM GLOBAL (FM)

FM APP GUIDE (updated on-line) Approval Guide http://www.approvalguide.com/

FM DS 1-28R (1998) Data Sheet: Roof Systems

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2020; ERTA 20-1 2020; ERTA 20-2 2020; TIA

20-1; TIA 20-2; TIA 20-3; TIA 20-4)

National Electrical Code

SOCIETY FOR PROTECTIVE COATINGS (SSPC)

SSPC Paint 20 (2019) Zinc-Rich Primers (Type I, Inorganic, and Type II, Organic)

STEEL DECK INSTITUTE (SDI)

ANSI/SDI C (2017) Standard for Composite Steel Floor Deck - Slabs

ANSI/SDI NC (2017) Standard for Non-Composite Steel Floor Deck

ANSI/SDI QA/QC (2017) Standard for Quality Control and Quality Assurance for Installation of Steel Deck

ANSI/SDI RD (2017) Standard for Steel Roof Deck

SDI DDM04 (2015; Errata 1-3 2016; Add 1 2015; Add 2 20162006) Diaphragm Design Manual; 4th Edition

SDI DDP (1987; R 2000) Deck Damage and Penetrations

SDI MOC3 (2016) Manual of Construction with Steel Deck (3rd Edition)

U.S. DEPARTMENT OF DEFENSE (DOD)

UFC 3-301-01 (2019) Structural Engineering

SECTION 05 30 00 Page 6

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

29 CFR 1926 Safety and Health Regulations for Construction

UNDERWRITERS LABORATORIES (UL)

UL 209 (2011; Reprint Aug 2020) UL Standard for Safety Cellular Metal Floor Raceways and Fittings

UL 580 (2006; Reprint Mar 2019) UL Standard for Safety Tests for Uplift Resistance of Roof Assemblies

UL Fire Resistance (2014) Fire Resistance Directory

1.2 SUBMITTALS

NOTE: Revi ew Submi t t al Descr i pt i on ( SD) def i ni t i ons i n Sect i on 01 33 00 SUBMI TTAL PROCEDURES and edi t t he f ol l owi ng l i s t , and cor r espondi ng submi t t al i t ems i n t he t ext , t o r ef l ect onl y t he submi t t al s r equi r ed f or t he pr oj ect . The Gui de Speci f i cat i on t echni cal edi t or s have cl assi f i ed t hose i t ems t hat r equi r e Gover nment appr oval , due t o t hei r compl exi t y or cr i t i cal i t y, wi t h a " G. " Gener al l y, ot her submi t t al i t ems can be r evi ewed by t he Cont r act or ' s Qual i t y Cont r ol Syst em. Onl y add a " G" t o an i t em i f t he submi t t al i s suf f i c i ent l y i mpor t ant or compl ex i n cont ext of t he pr oj ect .

For Ar my pr oj ect s, f i l l i n t he empt y br acket s f ol l owi ng t he " G" c l assi f i cat i on, wi t h a code of up t o t hr ee char act er s t o i ndi cat e t he appr ovi ng aut hor i t y. Codes f or Ar my pr oj ect s usi ng t he Resi dent Management Syst em ( RMS) ar e: " AE" f or Ar chi t ect - Engi neer ; " DO" f or Di st r i ct Of f i ce ( Engi neer i ng Di v i s i on or ot her or gani zat i on i n t he Di st r i ct Of f i ce) ; " AO" f or Ar ea Of f i ce; " RO" f or Resi dent Of f i ce; and " PO" f or Pr oj ect Of f i ce. Codes f ol l owi ng t he " G" t ypi cal l y ar e not used f or Navy, Ai r For ce, and NASA pr oj ect s.

The " S" c l assi f i cat i on i ndi cat es submi t t al s r equi r ed as pr oof of compl i ance f or sust ai nabi l i t y Gui di ng Pr i nci pl es Val i dat i on or Thi r d Par t y Cer t i f i cat i on and as descr i bed i n Sect i on 01 33 00 SUBMI TTAL

PROCEDURES.

Choose t he f i r st br acket ed i t em f or Navy, Ai r For ce, and NASA pr oj ect s, or choose t he second br acket ed i t em f or Ar my pr oj ect s.

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are [for Contractor Quality Control approval.][for information only. When

SECTION 05 30 00 Page 7 used, a code following the "G" classification identifies the office that will review the submittal for the Government.] Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Fabrication Drawings ; G[, [_____]]

SD-03 Product Data

Accessories

Deck Units

Galvanizing Repair Paint

[ Mechanical Fasteners

Touch-Up Paint

Sound Absorbing Materials

Welding Equipment

Welding Rods and Accessories

Recycled Content of Steel Products ; S

SD-04 Samples

Metal Roof Deck Units

Cellular Metal Floor Deck Units

Flexible Closure Strips

Acoustical Material

SD-05 Design Data

Deck Units ; G[, [_____]]

SD-07 Certificates

Powder-Actuated Tool Operator

Welder Qualifications

Welding Procedures

Fire Safety

Wind Storm Resistance

Manufacturer's Certificate

Stud Manufacture's Certification

Stud Manufacture's Test Reports

SECTION 05 30 00 Page 8

1.3 QUALITY ASSURANCE

1.3.1 Deck Units

Furnish deck units and accessory products from a manufacturer regularly engaged in manufacture of steel decking. Provide manufacturer's certificate s attesting that the decking material meets the specified requirements.

1.3.2 Certification of Powder-Actuated Tool Operator

Provide manufacturer's certificate attesting that the operators are authorized to use the low velocity powder-actuated tool.

1.3.3 Qualifications for Welding Work

Follow Welding Procedures of AWS D1.3/D1.3M for sheet steel and AWS D1.1/D1.1M for stud welding.

NOTE: Maki ng of t est speci mens i n t he pr esence of t he Cont r act i ng Of f i cer i s r equi r ed when t he bui l di ng meet s one of t he f ol l owi ng:

1. Sei smi c Desi gn Cat egor y D, E or F and Ri sk Cat egor y I I I , I V or V.

2. Bui l di ng hei ght i s gr eat er t han 75 f eet and Sei smi c Desi gn Cat egor y D, E or F.

3. Nomi nal wi nd speed i s gr eat er t han 110 mph ( 49 m/ s) and Ri sk Cat egor y I I I , I V or V.

4. Bui l di ng hei ght i s gr eat er t han 75 f eet and t he nomi nal wi nd speed i s gr eat er t han 110 mph ( 49 m/ s) .

Submit qualified Welder Qualifications in accordance with AWS D1.3/D1.3M for sheet steel and AWS D1.1/D1.1M for stud welding, or under an equivalent approved qualification test. Perform tests on test pieces in positions and with clearances equivalent to those actually encountered.

[Test specimens shall be made in the presence of Contracting Officer and shall be tested by an approved testing laboratory at the Contractor's expense.] If a test weld fails to meet requirements, perform an immediate retest of two test welds until each test weld passes. Failure in the immediate retest will require the welder be retested after further practice or training, performing a complete set of test welds.

Submit manufacturer's catalog data for Welding Equipment and Welding Rods and Accessories .

1.3.4 Regulatory Requirements

NOTE: For r oof i ng syst ems wi t h i nsul at i on/ under l ayment appl i ed di r ect l y t o deck, i ncl ude appl i cabl e par agr aph/ sent ence f or f i r e r at ed and/ or wi ndst or m r esi st ance. Speci f y r oof assembl i es t hat ar e i n consonance wi t h ot her r oof component s ( Suppor t s, deck, adhesi ves, bi t umen, f ast ener s and at t achment s, vapor r et ar der s, i nsul at i on, membr ane, and sur f aci ng) so t hat t he r oof const r uct i on

SECTION 05 30 00 Page 9 assembl y r esul t s i n UL or FM f i r e- r esi st ance and wi ndst or m r esi st ance cl assi f i cat i on r equi r ed by pr oj ect cr i t er i a.

1.3.4.1 Fire Safety

Test roof deck as a part of a roof deck construction assembly of the type used for this project, listing as fire classified in the UL Fire Resistance , or listing as Class I construction in the FM APP GUIDE, and so labeled.

1.3.4.2 Wind Storm Resistance

NOTE: Sel ect t he appr opr i at e wi nd upl i f t pr essur e based on wi nd speeds used by t he st r uct ur al desi gner i n accor dance wi t h UFC 3- 301- 01, " St r uct ur al Engi neer i ng" . UFC 3- 301- 01 i s based on ul t i mat e wi nd l oads, conver t t he ul t i mat e wi nd l oad t o a nomi nal wi nd l oad bef or e i nser t i ng i nt o t he par agr aph bel ow. The upl i f t wi nd pr essur e i ndi cat ed i n t hi s par agr aph must i ncl ude a f act or of saf et y of 2 f or Fact or y Mut ual .

Provide roof construction assembly capable of withstanding a nominal uplift pressure of [3] [5] [_____] kPa [60] [90] [_____] pounds per square foot when tested in accordance with the uplift pressure test described in the FM DS 1-28R or as described in UL 580 and in general compliance with

UFC 3-301-01 .

1.3.5 Fabrication Drawings

Show type and location of units, location and sequence of connections, bearing on supports, methods of anchoring, attachment of accessories, adjusting plate details, cant strips, ridge and valley plates, metal closure strips, size and location of holes to be cut and reinforcement to be provided, the manufacturer's erection instructions and other pertinent details.

1.4 DELIVERY, STORAGE, AND HANDLING

Deliver deck units to the site in a dry and undamaged condition. Store and handle steel deck in a manner to protect it from corrosion, deformation, and other types of damage. Do not use decking for storage or as working platform until units have been fastened into position.

Exercise care not to damage material or overload decking during construction. The maximum uniform distributed storage load must not exceed the design live load. Stack decking on platforms or pallets and cover with weathertight ventilated covering. Elevate one end during storage to provide drainage. Maintain deck finish at all times to prevent formation of rust. Repair deck finish using touch-up paint. Replace damaged material.

1.5 DESIGN REQUIREMENTS FOR ROOF DECKS

1.5.1 Properties of Sections

Properties of metal roof deck sections must comply with engineering design

SECTION 05 30 00 Page 10 width as limited by the provisions of AISI D100 .

1.5.2 Allowable Loads

Indicate total uniform dead and live load for detailing purposes.

PART 2 PRODUCTS

2.1 DECK UNITS

Submit manufacturer's design calculations, or applicable published literature for the structural properties of the proposed deck units.

Provide products with an average recycled content of steel products so postconsumer recycled content plus one half of preconsumer recycled content not less than [25] [_____] percent.

NOTE: Mi ni mum met al t hi ckness shoul d be 0. 35 mm ( 0. 014 i nch) f or f or m decks and 0. 75 mm ( 0. 0295 i nch) f or r oof and composi t e decks. However , f or cor r osi ve exposur es, consi der 0. 91 mm ( 0. 0358 i nch) mi ni mum t hi ckness.

Speci f y coat ed st eel f or most f l oor decks and al l r oof decks. Use Z275 ( G90) gal vani zed coat i ng or gal val ume ASTM A792/ A792M f or sever e cor r osi ve condi t i ons and wi t h concr et e or spr ay appl i ed f i r e pr ot ect i on. Use Z180 ( G60) when sever e condi t i ons do not exi st . Pr i me pai nt ed, not coat ed, shoul d be speci f i ed onl y f or l ow- budget j obs wher e deck i s not critical.

The st eel deck shal l be desi gned accor di ng t o ANSI / SDI C, ANSI / SDI NC or ANSI / SDI RD. Ver i f y gr ades of st eel ar e appr opr i at e f or desi gn. SDI al l ows ASTM A653/ A653M, Gr ade 230 ( Gr ade 33) ; ASTM A1008/ A1008M, Gr ades C and D; or ASTM A792/ A792M.

Phosphat i zed and pai nt ed coat i ng i s not r ecommended f or t he maj or i t y of appl i cat i ons. The st eel deck speci f i ed i n t hi s gui de speci f i cat i on wi l l be used i n conj unct i on wi t h i nsul at i on and bui l t - up r oof i ng i n accor dance wi t h UFC 3- 110- 03, " Roof i ng" , or wi l l be used as a per manent f or m f or concr et e or as par t of a composi t e deck assembl y. Dr awi ngs shoul d show l ocat i on and ext ent of st eel deck, compl et e st r uct ur al suppor t i ncl udi ng openi ngs gr eat er t han 300 mm ( 12 i nch) , t ype and l ocat i on of accessor i es, uni f or ml y di st r i but ed l i ve l oads ( posi t i ve and negat i ve) i n kPa ( psf ) , t hi ckness, and r equi r ed val ues f or sect i on modul us and moment of i ner t i a per mm ( f oot ) of wi dt h. Moment s of i ner t i a and sect i on modul us val ues wi l l be desi gned based on pr ocedur es set f or t h i n ANSI / SDI C, ANSI / SDI NC and ANSI / SDI RD. St eel decks used as di aphr agms must meet t he r equi r ement s of UFC 1- 200- 01, " Gener al Bui l di ng Requi r ement s" and UFC 3- 301- 01, " St r uct ur al Engi neer i ng" . Subsyst ems f or f i r e- r at ed const r uct i on, i ncl udi ng r oof deck, j oi st s, SECTION 05 30 00 Page 11 i nsul at i on, bui l t - i n r oof i ng, and cei l i ng mat er i al wi l l be i ndi cat ed. When t he f i ni shed i nst al l at i ons wi l l be exposed t o hi gh humi di t y, seacoast at mospher e or cor r osi ve chemi cal f umes speci al car e i n speci f y i ng t he f i ni sh shoul d be used and i ndi v i dual manuf act ur er s shoul d be consul t ed f or t he speci f i c appl i cat i on. Not es on t he dr awi ngs shoul d i ndi cat e t he at t achment met hod t o be used, and shoul d gi ve t he s i ze and spaci ng f or per i met er , s i de l ap, i nt er medi at e suppor t s, and end l ap at t achment s.

2.1.1 Roof Deck

NOTE: The epoxy coat i ng i s expensi ve and shoul d onl y be consi der ed f or cor r osi ve envi r onment s wher e j ust i f i ed by a cost anal ysi s.

Conform to ASTM A792/A792M or ASTM A1008/A1008M for deck used in conjunction with insulation and built-up roofing. Fabricate roof deck units of [ [0.75] [_____] mm [0.0295] [_____] inch design thickness or thicker steel] [the steel design thickness required by the design drawings] and [shop painted] [galvanized] [painted with an epoxy coating or equivalent applied to prime-coating in accordance with manufacturer's standard] [zinc-coated in conformance with ASTM A653/A653M , Z275 G90 coating class or aluminum-zinc coated in accordance with ASTM A792/A792M Coating Designation AZM165 AZ55]. Furnish sample of Metal Roof Deck Units used to illustrate actual cross section dimensions and configurations.

[ 2.1.2 Acoustical Roof Deck

NOTE: I ncl ude r equi r ement s f or acoust i cal st eel deck when r equi r ed by t he desi gn, ot her wi se del et e.

Acoust i cal st eel deck i s desi gned t o ser ve as a sound absor bi ng cei l i ng as wel l as a st r uct ur al deck. Acoust i cal noncel l ul ar st eel r oof deck i s i dent i cal i n appear ance t o st andar d st eel r oof deck ( noncel l ul ar ) except t hat t he webs of t he r i bs ar e per f or at ed t o r ecei ve f i ber gl ass sound absor bi ng mat er i al , i n r ol l f or m, pl aced bet ween t he per f or at ed r i bs. Acoust i cal noncel l ul ar r oof deck shoul d not be used wi t hout modi f y i ng FM or UL r equi r ement s f or r oof decks i n Di v i s i on 07.

Acoust i cal cel l ul ar st eel deck i s i dent i cal i n appear ance t o cel l ul ar st eel deck, except t hat t he st eel bot t om pl at e ( cei l i ng) i s per f or at ed. I n addi t i on, acoust i cal deck ser ves as bot h a deck and acoust i cal cei l i ng ( i n l i eu of a separ at e f i ni shed acoust i cal cei l i ng) wher e noi se l evel s ar e t o be cont r ol l ed. I ncl ude cover pl at es when cel l ul ar deck i s speci f i ed. I ncl ude 50 mm ( 2 i nch) end l aps f or non- cel l ul ar deck.

NOTE: A noi se r educt i on coef f i c i ent of 0. 70 i s a

SECTION 05 30 00 Page 12 commonl y used coef f i c i ent . The coef f i c i ent can al so be obt ai ned f r om manuf act ur er ' s l i t er at ur e.

However , speci f i c desi gn r equi r ement s must be consi der ed and t he appr opr i at e val ue i nser t ed. The manuf act ur er ' s st andar d acoust i cal st eel deck shal l be pr ovi ded wher e i ndi cat ed.

Provide a Noise Reduction Coefficient (NRC) rating of not less than [0.70] [_____], when tested in accordance with ASTM C423. Provide sound absorbing materials with either [glass fiber in roll or premolded form for acoustical steel deck (noncellular)] [and] [or] [glass fiber rigid strip for acoustical steel deck (cellular)] in accordance with manufacturer's standards.

] 2.1.3 Composite Deck

NOTE: Wher e deck desi gn i s based on shor ed const r uct i on, edi t and i ncl ude r equi r ement s i n t he l ast br acket ed sent ence and i ndi cat e on st r uct ur al dr awi ngs t hat decki ng must be shor ed dur i ng pl acement and cur i ng of concr et e.

[Conform to ASTM A653/A653M or ASTM A1008/A1008M for composite deck assembly. Fabricate deck used as the tension reinforcing in composite deck of [0.75][_____] mm [0.0295] [_____] inch design thickness or thicker steel with integrally embossed or raised pattern ribs.] [The steel design thickness required by the design drawings. Zinc-coat in conformance with ASTM A653/A653M , [G60][G90] coating class.][Shore composite deck until the concrete has reached [75][_____] percent of its specified strength.]

2.1.4 Cellular Metal Floor Deck Units

NOTE: Coor di nat e cel l ul ar deck wi r e r aceways wi t h appr opr i at e sect i ons i n Di v i s i on 16 and add i nf or mat i on wher e needed.

Cel l ul ar and noncel l ul ar decki ng may or may not be combi ned i nt o one deck syst em.

Provide decking as wire raceways conforming to NFPA 70 . Conform to [ ASTM A653/A653M , SS, Grade 230, Grade 33]; [ ASTM A1008/A1008M Coated Carbon Steel Sheets, Grade C, 228 mPa 33,000 psi minimum yield strength];

or [ ASTM A792/A792M Coated Steel Sheets, Grade 33] for formed [cellular] [and] [non-cellular] decking and accessories. Provide nominal thickness of the steel sheets, before galvanizing, a minimum 1.3 millimeter 18-gage for the upper element of the floor deck unit, and a minimum 1.6 millimeter 16-gage for the lower element of the floor deck unit [as required by the design drawings]. [Furnish one sample of each type of Metal Floor Deck Units used to illustrate the actual cross section dimensions and configuration.]

2.1.5 Form Deck

Conform to ASTM A653/A653M or ASTM A1008/A1008M for deck used as formwork

SECTION 05 30 00 Page 13 for concrete. Fabricate form deck of[ [0.38] [_____] mm [0.015] [_____] inch design thickness or thicker steel.] [the steel design thickness required by the design drawings.] [Paint with one coat of manufacture's standard paint.] [Zinc-coat in conformance with ASTM A653/A653M ,[ Z180 G60][ Z275 G90] coating class.]

Provide sufficient welds, forming the steel sheets into the cellular floor deck unit, to develop the full horizontal shear at the plane where the steel sheets are joined.

NOTE: Del et e i nappl i cabl e par agr aphs. When f i r e- r esi st ance- r at ed const r uct i on i s r equi r ed, t he f i r e r at i ng agency' s speci f i cat i ons f or t he appl i cabl e f l oor or r oof and cei l i ng const r uct i on must be consul t ed.

Cellular metal floor deck units must be fluted section cells combined [on a flat plate][with a matching fluted bottom section] having interlocking type sidelaps. Provide depth, width of unit, number of cells per unit, and width of cells as indicated.

Use panels of maximum possible lengths to minimize end laps. Fabricate deck units in lengths to span 3 or more supports with flush, telescoped, or nested 50 mm 2 inch laps at ends, and interlocking, or nested side laps, unless otherwise indicated. [Factory apply a standard, phosphatized and painted, baked-on enamel finish to underside of steel decking.] [[Floor] [and] [Roof] deck system design is based on shored construction.]

[ 2.1.6 Non-Composite Vented Form Deck

NOTE: I ncl ude t hi s par agr aph on pr oj ect s wher e l i ght wei ght i nsul at i ng concr et e r oof syst ems ar e used. Ver i f y t hat deck s i ze speci f i ed i s avai l abl e as vent ed.

To ensure positive venting from the underside, provide slotted or perforated steel deck to receive concrete fill, overlay, or a poured concrete deck. Provide deck with side lap venting clips, formed in side lap vents, or vent slots in the corrugation. Vent area shall be at least 700 square mm per square m 0.10 square inch per square foot of roof deck area.

] 2.1.7 Length of Deck Units

Provide deck units of sufficient length to span three or more spacings where possible.

[ 2.1.8 Shop Priming

NOTE: Speci f y shop pr i mi ng when decki ng wi l l r ecei ve f i el d appl i ed f i ni sh pai nt ed. Pai nt wi l l not adher e t o passi vat i ng or st abi l i z i ng t r eat ment commonl y used on gal vani zed st eel sur f aces t o pr event " whi t e r ust . " Coor di nat e r equi r ement s f or

SECTION 05 30 00 Page 14 f i ni shes wi t h r equi r ement s f or f i r epr oof i ng and f i el d f i ni sh pai nt i ng.

Shop prime accessories and [underside of] deck at the factory after coating. Clean surfaces in accordance with the manufacturer's standard procedure followed by a spray, dip or roller coat of rust-inhibitive primer, oven cured.

] 2.1.9 Touch-Up Paint

Provide a high zinc-dust content paint for regalvanizing welds in galvanized steel conforming to ASTM A780/A780M .

Provide touch-up paint for shop-painted units [of the same type used for the shop painting] [_____], and touch-up paint for zinc-coated units of [an approved galvanizing repair paint with a high-zinc dust content] [_____]. Touch-up welds with paint conforming to SSPC Paint 20 in accordance with ASTM A780/A780M . Maintain finish of deck units and accessories by using touch-up paint whenever necessary to prevent the formation of rust.

2.2 ACCESSORIES

Provide accessories of same material as deck, unless specified otherwise.

Provide manufacturer's standard type accessories, as specified.

2.2.1 Adjusting Plates

Provide adjusting plates, or segments of deck units, of same thickness and configuration as deck units in locations too narrow to accommodate full size units. Provide factory cut plates of predetermined size where possible.

2.2.2 End Closures

Fabricated of sheet metal by the deck manufacturer. Provide end closures minimum 0.75 mm 0.0295 inch thick to close open ends at [exposed edges of floors,] [parapets,] [end walls,] [eaves,] [and] openings through deck.

2.2.3 Partition Closures

NOTE: Coor di nat e opt i ons i n par agr aphs PARTI TI ON CLOSURES and CLOSURES ABOVE PARTI TI ONS. When a suspended acoust i cal cei l i ng i s pr ovi ded bel ow t he met al deck, t he c l osur es above par t i t i ons may be el i mi nat ed f or acoust i cal pur poses pr ovi ded t he acoust i cal pr oper t i es of t he cei l i ng ar e adequat e t o r est r i ct sound t r ansmi ssi on t o a l evel consi st ent wi t h t he f aci l i t y desi gn cr i t er i a.

NOTE: Dr awi ngs shal l show cl osur es above i nt er i or par t i t i ons wher e r equi r ed. On f i r e par t i t i ons, met al c l osur es wi l l be used on bot h s i des of t he wal l or use f i r est oppi ng.

SECTION 05 30 00 Page 15

Provide closures for closing voids above interior walls and partitions that are perpendicular to the direction of the configurations. [Provide rubber, plastic, or sheet steel closures above typical partitions.] [Provide minimum one inch thick soft composition rubber closures above walls and partitions contiguous to acoustical steel deck.] [Provide sheet steel closures above fire-resistant interior walls and partitions located on both sides of wall or partition.] [Provide glass fiber blanket insulation in the space between pairs of closures at acoustical partitions.]

2.2.4 Flexible Closure Strips for Roof Decks

Provide strips made of vulcanized, closed-cell, synthetic rubber material specified and premolded to the configuration required to provide tight-fitting closures at open ends and sides of steel roof decking.

[Furnish one sample of each type Flexible Closure Strips, 300 millimeter 12 inch long.]

Conforming to ASTM D1056, Grade 2A1, with the following additional properties:

Brittleness temperature of minus 40 degrees C minus 40 degrees F when tested in accordance with ASTM D746.

Flammability resistance with a flame spread rating of less than 25 when tested in accordance with ASTM E84.

Resistance to ozone must be "no cracks" after exposure of a sample kept under a surface tensile strain of 25 percent to an ozone concentration of 100 parts per million of air by volume in air for 100 hours at 40 degrees C 104 degrees F and tested in accordance with

ASTM D1149.

Provide a elastomeric type adhesive as recommended by the manufacturer of the flexible closure strips.

2.2.5 Closure Plates for Composite Deck

Support and retain concrete at each floor level. Provide edge closures at all edges of the slab of sufficient strength and stiffness to support the wet concrete. Provide metal closures for all openings in composite steel deck 6 mm 1/4 inch and over.

2.2.6 Sheet Metal Collar

Where deck is cut for passage of pipes, ducts, columns, etc., and deck is to remain exposed, provide a neatly cut sheet metal collar to cover edges of deck. Do not cut deck until after installation of supplemental supports.

2.2.7 Cover Plates

Sheet metal to close panel edge and end conditions, and where panels change direction or butt. Polyethylene-coated, self-adhesive, 50 mm 2 inch wide joint tape may be provided in lieu of cover plates on flat-surfaced decking butt joints.

Fabricate cover plates for abutting floor deck units from the specified

SECTION 05 30 00 Page 16 structural-quality steel sheets not less than nominal 1.3 millimeter 18 gage thick before galvanizing. Provide 150 millimeter 6 inch wide cover plates and form to match the contour of the floor deck units.

2.2.8 Roof Sump Pans

NOTE: Coor di nat e sump pans wi t h t ype of r oof dr ai n specified.

Sump pans must be provided for roof drains and must be minimum 2 mm 0.075 inch thick steel, [flat] [recessed] type. Shape sump pans to meet roof slope by the supplier or by a sheet metal specialist. Provide bearing flanges of sump pans to overlap steel deck a minimum of 75 mm 3 inch .

Shape, size, and reinforce the opening in bottom of the sump pan to receive roof drain.

2.2.9 Column Closures

Sheet metal, minimum 0.85 mm 0.0358 inch thick or metal rib lath.

2.2.10 Access Hole Covers

Sheet metal, minimum 1.2 mm 0.0474 inch thick.

2.2.11 Hanger

NOTE: Locat i on, spaci ng, and si ze of hangar c l i ps or l oops must be i ndi cat ed or speci f i ed, as appl i cabl e t o t he pr oj ect .

Provide clips or loops for [utility systems] [and] [suspended ceilings] of one or more of the following types:

a. Lip tabs or integral tabs where noncellular decking or flat plate of cellular section is 1.2 mm 0.0474 inch thick or more, and a structural concrete fill is used over deck.

b. Slots or holes punched in decking for installation of pigtails.

c. Tabs driven from top side of decking and arranged so as not to pierce electrical cells.

d. Decking manufacturer's standard as approved by the Contracting Officer.

2.2.12 Shear Connectors

NOTE: Desi gner shal l det er mi ne t he necessi t y f or shear connect or s as per AI SC 360. Desi gner shal l show t he si ze, spaci ng, and l ocat i on of t he shear connectors.

Provide shear connectors in accordance with AWS D1.1/D1.1M headed stud Type B. Submit stud manufacture's certification that the studs delivered

SECTION 05 30 00 Page 17 conform to the material requirements. Submit stud manufacture's test reports for the last completed in-plant quality control mechanical tests.

2.2.13 Cant Strips for Roof Decks

NOTE: When cant st r i ps exceedi ng t he di mensi ons speci f i ed i n t he f ol l owi ng par agr aph ar e r equi r ed, t he st eel sheet qual i t y and t hi ckness must be r evi sed as r equi r ed.

Fabricate cant strips from the specified commercial-quality steel sheets not less than nominal 0.91 millimeter 0.0358 inch thick before galvanizing. Bend strips to form a 45-degree cant not less than 125 millimeter 5 inch wide, with top and bottom flanges a minimum 75 millimeter 3 inch wide. Length of strips 3000 millimeter 10 feet .

2.2.14 Ridge and Valley Plates for Roof Decks

Fabricate plates from the specified structural-quality steel sheets, not less than nominal 0.91 millimeter 0.0358 inch thick before galvanizing.

Provide plates of minimum 120 millimeter 4-1/2 inch wide and bent to provide tight fitting closures at ridges and valleys. Provide a minimum length of ridge and valley plates of 3000 millimeter 10 feet .

2.2.15 Metal Closure Strips for Roof Decks

Fabricate strips from the specified commercial-quality steel sheets not less than nominal 0.91 millimeter 0.0358 inch thick before galvanizing.

Provide strips from the configuration required to provide tight-fitting closures at open ends and sides of steel roof decking.

2.2.16 Galvanized Steel Angles for Roof Decks

Provide hot-rolled carbon steel angles conforming to ASTM A36/A36M, and hot-dip galvanized in accordance with ASTM A123/A123M .

[ 2.2.17 Sound Absorbing Material

NOTE: I ncl ude r equi r ement s f or acoust i cal st eel deck when r equi r ed by t he desi gn, ot her wi se del et e.

Acoust i cal st eel deck i s desi gned t o ser ve as a sound absor bi ng cei l i ng as wel l as a st r uct ur al deck. Acoust i cal noncel l ul ar st eel r oof deck i s i dent i cal i n appear ance t o st andar d st eel r oof deck ( noncel l ul ar ) except t hat t he webs of t he r i bs ar e per f or at ed t o r ecei ve f i ber gl ass sound absor bi ng mat er i al , i n r ol l f or m, pl aced bet ween t he per f or at ed r i bs. Acoust i cal noncel l ul ar r oof deck shoul d not be used wi t hout modi f y i ng FM or UL r equi r ement s f or r oof decks i n Di v i s i on 07.

Acoust i cal cel l ul ar st eel deck i s i dent i cal i n appear ance t o cel l ul ar st eel deck, except t hat t he st eel bot t om pl at e ( cei l i ng) i s per f or at ed. I n addi t i on, acoust i cal deck ser ves as bot h a deck and acoust i cal cei l i ng ( i n l i eu of a separ at e f i ni shed acoust i cal cei l i ng) wher e noi se l evel s ar e t o be

SECTION 05 30 00 Page 18 cont r ol l ed. I ncl ude cover pl at es when cel l ul ar deck i s speci f i ed. I ncl ude 50 mm ( 2 i nch) end l aps f or non- cel l ul ar deck.

Provide [glass fiber in roll or premolded form for acoustical noncellular steel roof deck] [and] [glass fiber rigid strip for acoustical cellular steel deck] in accordance with the manufacturer's standards. Provide a sample of acoustical material to be used.

][ 2.2.18 Mechanical Fasteners

NOTE: Del et e t hi s par agr aph when onl y wel di ng i s allowed.

Provide mechanical fasteners, such as powder actuated fasteners, pneumatically driven fasteners or self-drilling screws, for anchoring the deck to structural supports and adjoining units[ as indicated][ that are designed to meet the loads indicated].

] 2.2.19 Miscellaneous Accessories

NOTE: Ensur e t hat i t ems l i s t ed i n t hi s par agr aph ar e i ndi cat ed on t he pr oj ect dr awi ngs.

Furnish the manufacturer's standard accessories to complete the deck installation. Furnish metal accessories of the same material as the deck and with the minimum design thickness as follows: saddles, 1.204 mm 0.0474 inch welding washers, 1.519 mm 0.0598 inch other metal accessories, 0.909 mm 0.0358 inch unless otherwise indicated.

PART 3 EXECUTION

3.1 EXAMINATION

Prior to installation of decking units and accessories, examine worksite to verify that as-built structure will permit installation of decking system without modification.

3.2 INSTALLATION

NOTE: Use ANSI / SDI C, ANSI / SDI NC or ANSI / SDI RD f or al l decks except t hose desi gned f or di aphr agm act i on. Use SDI DDM04 wi t h Appendi x VI and Er r at a or I CC- ES Eval uat i on Ser vi ce Repor t s ( ESR) based on Accept ance Cr i t er i a ( AC) 43 di aphr agm t est i ng.

I ndi cat e cel l ul ar deck t o be used as wi r i ng r aceways on t he pr oj ect dr awi ngs i f i ncl uded bel ow.

The desi gner must det er mi ne i f t her e ar e shor i ng r equi r ement s f or composi t e decks. For most appl i cat i ons t he desi gn i s sel ect ed so t hat shor i ng i s not r equi r ed. Shor i ng r equi r ement s shal l be det ai l ed on t he desi gn dr awi ngs.

SECTION 05 30 00 Page 19

I f st uds ar e bei ng wel ded t o t he t op f l anges of beams, t he deck ends shoul d be but t ed. I f not , deck ends shoul d be l apped.

Install steel deck units in accordance with 29 CFR 1926 , Subpart R – Steel Erection, ANSI/SDI QA/QC , [ ANSI/SDI C ][ ANSI/SDI NC ][ ANSI/SDI RD ][ SDI DDM04 ] and approved shop drawings. Place units on structural supports, properly adjusted, leveled, and aligned at right angles to supports before permanently securing in place. Damaged deck and accessories including material which is permanently stained or contaminated, deformed, or with burned holes shall not be installed. Extend deck units over three or more supports unless absolutely impractical. Report inaccuracies in alignment or leveling to the Contracting Officer and make necessary corrections before permanently anchoring deck units. Locate deck ends over supports only. [Lap 50 mm 2 inch ] [Butted] deck ends. Do not use unanchored deck units as a work or storage platform. [Do not fill unanchored deck with concrete.] Permanently anchor units placed by the end of each working day. Do not support suspended ceilings, light fixtures, ducts, utilities, or other loads by steel deck unless indicated. Distribute loads by appropriate means to prevent damage.[ Prepare shoring in position before concrete placement begins in composite or form deck.][ Size cellular decking provided as electrical raceways to accommodate indicated wiring systems. Chip off burrs and eliminate sharp edges which may damage wiring. Mesh decking panels accurately and place in accordance with UL 209 .][ Neatly fit acoustical material into the rib voids.]

3.2.1 Attachment

The f ast ener s shal l pr ovi de mi ni mum r equi r ed pul l - out , pul l - over and shear r esi st ance based upon t est r esul t s of t he speci f i c st eel deck and f ast ener as l i s t ed i n t he cur r ent edi t i on of t he Fact or y Mut ual Appr oval Gui de and Fact or y Mut ual Dat a Sheet 1- 28 or manuf act ur er ' s dat a sheet s. Fast ener s f or r oof i nsul at i ons ar e speci f i ed i n Sect i on 07 22 00

ROOF AND DECK I NSULATI ON.

NOTE: Ref er t o ANSI / SDI C, ANSI / SDI NC and ANSI / SDI RD f or shear capaci t y, f l exi bi l i t y , connect i on det ai l s, s i ze and spaci ng of wel ds and at t achment s, and concr et e f i l l r equi r ement s.

For di aphr agm act i ng decks, r ef er t o St eel Deck I nst i t ut e' s SDI DDM04, " Di aphr agm Desi gn Manual " .

Wher e wel di ng onl y i s al l owed, del et e t he f i r st t wo br acket ed phr ases and i ncl ude t he l ast br acket ed phrase.

Immediately after placement and alignment, and after correcting inaccuracies, permanently fasten steel deck units to structural supports and to adjacent deck units by welding with normal 16 mm 5/8 inch diameter puddle welds,[ fastened with screws, powder-actuated fasteners, or pneumatically driven fasteners] as indicated on the design drawings and in

SECTION 05 30 00 Page 20 accordance with manufacturer's recommended procedure[ and ANSI/SDI C , ANSI/SDI NC or ANSI/SDI RD ]. Clamp or weight deck units to provide firm contact between deck units and structural supports while performing welding [or fastening].[ Anchoring the deck to structural supports with powder-actuated fasteners or pneumatically driven fasteners is prohibited.] Attachment of adjacent deck units by button-punching is prohibited.

3.2.1.1 Welding

NOTE: Show l ocat i on, s i ze, and spaci ng of at t achment s on t he dr awi ngs f or composi t e and di aphr agm- act i ng decks. I f t hey ar e not shown, del et e t he f i r st br acket and i ncl ude t he second br acket . Coor di nat e f i ni sh r epai r wi t h f i ni sh r equi r ement s. Wel di ng washer s shal l be used at wel ded connect i ons when deck t hi ckness i s l ess t han

0. 711 mm ( 0. 028 i nch) .

Perform welding in accordance with AWS D1.3/D1.3M using methods and electrodes recommended by the manufacturers of the base metal alloys being used. Ensure only operators previously qualified by tests prescribed in AWS D1.3/D1.3M make welds. Immediately recertify, or replace qualified welders, that are producing unsatisfactory welding. [Indicate] [Conform to the recommendations of the Steel Deck Institute and the steel deck manufacturer]for location, size, and spacing of fastening. [Do][Do not] use welding washers at the connections of the deck to supports. Do not use welding washers at sidelaps. Holes and similar defects will not be acceptable. Attach all partial or segments of deck units to structural supports in accordance with Section 2.5 of SDI DDM04. [Attach shear connectors as shown and welded as per AWS D1.1/D1.1M [through the steel deck to the steel member] [directly to the steel member]]. Immediately clean welds by chipping and wire brushing. Heavily coat welds, cut edges and damaged portions of [coated finish with zinc-dust paint conforming to ASTM A780/A780M ] [shop [primed] [painted] finish with the manufacturer's standard touch-up paint].

[ 3.2.1.2 Mechanical Fastening

NOTE: Del et e t hi s par agr aph when onl y wel di ng i s allowed.

Anchor deck to structural supports and adjoining units with mechanical fasteners. [Drive the powder-actuated fasteners with a low-velocity piston tool by an operator authorized by the manufacturer of the powder-actuated tool. ][Drive pneumatically fasteners with a low-velocity fastening tool and comply with the manufacturer's recommendations.][ Drive screws to properly clamp desk to supporting steel.]

] 3.2.1.3 Sidelap Fastening

Lock sidelaps between adjacent floor deck units together by welding or screws as indicated.

SECTION 05 30 00 Page 21

3.2.2 Openings

NOTE: I ncl ude br acket ed phr ases when desi gn i s based on sei smi c r equi r ement s. When cel l s of cel l ul ar st eel f l oor decki ng wi l l be used f or ai r duct s, t he cut t i ng of decki ng uni t s f or connect i ons t o ai r di st r i but i on duct wor k, out l et s, and syst em accessor i es must be coor di nat ed wi t h and speci f i ed i n appl i cabl e sect i ons of t he mechani cal specifications.

When cel l s of cel l ul ar met al f l oor decki ng wi l l be used f or el ect r i cal r aceways, t he i nspect i on of t hese cel l s, cut t i ng f or i nser t s, and i nst al l at i on of el ect r i cal out l et s, f i t t i ngs, or gr oundi ng of t he met al f l oor decki ng, be coor di nat ed wi t h and speci f i ed i n appl i cabl e sect i ons of t he el ect r i cal specifications.

Cut or drill all holes and openings required and be coordinated with the drawings, specifications, and other trades. Frame and reinforce openings through the deck in conformance with SDI DDP . Reinforce [holes and openings 150 to 300 mm 6 to 12 inch across by 1.204 mm 0.0474 inch thick steel sheet at least 300 mm 12 inch wider and longer than the opening and be fastened to the steel deck at each corner of the sheet and at a maximum of 150 mm 6 inch on center. Reinforce holes and openings larger than 300 mm 12 inch by steel channels or angles installed perpendicular to the steel joists and supported by the adjacent steel joists. Install steel channels or angles perpendicular to the deck ribs and fasten to the channels or angles perpendicular to the steel joists. ][Deck manufacturer shall approve holes or openings larger than 150 mm 6 inch in diameter prior to drilling or cutting. ] [Openings must not interfere with seismic members such as chords and drag struts.]

3.2.3 Deck Damage

SDI MOC3, for repair of deck damage.

3.2.4 Touch-Up Paint

3.2.4.1 Roof Deck

After roof decking installation, wire brush, clean, and touchup paint the scarred areas on top and bottom surfaces of metal roof decking. The scarred areas include welds, weld scars, bruises, and rust spots. Touchup galvanized surfaces with galvanizing repair paint. Touchup painted surfaces with repair paint of painted surfaces.

3.2.4.2 Floor Deck

For floor decking installation, wire brush, clean, and touchup paint the scarred areas on the top and bottom surfaces of the metal floor decking and on the surface of supporting steel members. Include welds, weld scars, bruises, and rust spots for scarred areas. Touched up the galvanized surfaces with galvanizing repair paint. Touch up the painted surfaces with paint for the repair of painted surfaces.

SECTION 05 30 00 Page 22

3.2.5 Accessory Installation

3.2.5.1 Adjusting Plates

Provide in locations too narrow to accommodate full-size deck units and install as shown on shop drawings.

3.2.5.2 End Closures

Provide end closure to close open ends of cells at columns, walls, and openings in deck.

3.2.5.3 Closures Above Partitions

NOTE: Coor di nat e opt i ons i n par agr aphs PARTI TI ON ENCLOSURES and CLOSURES ABOVE PARTI TI ONS. When a suspended acoust i cal cei l i ng i s pr ovi ded bel ow t he met al deck, t he c l osur es above par t i t i ons may be el i mi nat ed f or acoust i cal pur poses pr ovi ded t he acoust i cal pr oper t i es of t he cei l i ng ar e adequat e t o r est r i ct sound t r ansmi ssi on t o a l evel consi st ent wi t h t he f aci l i t y desi gn cr i t er i a.

Provide for closing voids between cells over partitions that are perpendicular to direction of cells. Provide a one-piece closure strip for partitions 100 mm 4 inch nominal or less in thickness and two-piece closure strips for wider partitions. [Provide sheet metal closures above fire-rated partitions at both sides of partition with space between filled with fiberglass insulation.] [Provide flexible rubber closures above acoustic-rated partitions at both sides of partition with space between filled with blanket insulation.]

3.2.5.4 Cover Plates

[Provide metal cover plates, or joint tape, at joints between cellular decking sheets to be used as electrical raceways.] [Where concrete leakage would be a problem, provide metal cover plates, or joint tape, at joints between decking sheets, cellular or noncellular, to be covered with concrete fill.]

[ 3.2.5.5 Column Closures

NOTE: Del et e t hi s par agr aph i f st eel f l oor decks ar e not i ncl uded.

Provide for spaces between floor decking and columns which penetrate the deck. Field cut closure plate to fit column in the field and tack weld to decking and…