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Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

SECTI ON 05 05 23. 16

STRUCTURAL WELDI NG

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AMERI CAN I NSTI TUTE OF STEEL CONSTRUCTI ON ( AI SC)

AI SC 360 ( 2010) Speci f i cat i on f or St r uct ur al St eel Buildings

AMERI CAN SOCI ETY FOR NONDESTRUCTI VE TESTI NG ( ASNT)

ANSI / ASNT CP- 189 ( 2011) ASNT St andar d f or Qual i f i cat i on and Cer t i f i cat i on of Nondest r uct i ve Test i ng Per sonnel ( ANSI / ASNT CP- 105- 2006)

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS A2. 4 ( 2012) St andar d Symbol s f or Wel di ng, Br azi ng and Nondest r uct i ve Exami nat i on

AWS D1. 1/ D1. 1M ( 2015; Er r at a 2015) St r uct ur al Wel di ng Code - St eel

AWS D1. 3/ D1. 3M ( 2008; Er r at a 2008) St r uct ur al Wel di ng Code - Sheet St eel

AWS D1. 4/ D1. 4M ( 2011) St r uct ur al Wel di ng Code - Rei nf or ci ng St eel

AWS D1. 8/ D1. 8M ( 2009) St r uct ur al Wel di ng Code—Sei smi c Supplement

AWS D14. 4/ D14. 4M ( 2012) Speci f i cat i on f or Wel ded Joi nt s f or Machi ner y and Equi pment

AWS Z49. 1 ( 2012) Saf et y i n Wel di ng and Cut t i ng and Al l i ed Pr ocesses

ASTM I NTERNATI ONAL ( ASTM)

ASTM E165/ E165M ( 2012) St andar d Pr act i ce f or Li qui d Penet r ant Exami nat i on f or Gener al I ndust r y

ASTM E709 ( 2015) St andar d Gui de f or Magnet i c Par t i c l e Exami nat i on

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1. 2 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval . Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00

SUBMI TTAL PROCEDURES:

SD- 01 Pr econst r uct i on Submi t t al s

Wel di ng Qual i t y Assur ance Pl an

SD- 03 Pr oduct Dat a

Wel di ng Pr ocedur e Qual i f i cat i ons; G Wel der , Wel di ng Oper at or , and Tacker Qual i f i cat i on I nspect or Qual i f i cat i on Pr evi ous Qual i f i cat i ons Pr e- Qual i f i ed Pr ocedur es Wel di ng El ect r odes and Rods

SD- 06 Test Repor t s

Nondest r uct i ve Test i ng

SD- 07 Cer t i f i cat es

Cer t i f i ed Wel di ng Pr ocedur e Speci f i cat i ons ( WPS) Cer t i f i ed Br azi ng Pr ocedur e Speci f i cat i ons ( BPS) Cer t i f i ed Pr ocedur e Qual i f i cat i on Recor ds ( PQR) Cer t i f i ed Wel der Per f or mance Qual i f i cat i ons ( WPQ) Cer t i f i ed Br azer Per f or mance Qual i f i cat i ons ( BPQ)

1. 3 QUALI TY ASSURANCE

Except f or pr e- qual i f i ed ( i n accor dance wi t h AWS D1. 1/ D1. 1M) and pr evi ousl y qual i f i ed pr ocedur es, each Cont r act or per f or mi ng wel di ng must r ecor d i n det ai l and qual i f y t he wel di ng pr ocedur e speci f i cat i on f or any wel di ng pr ocedur e f ol l owed i n t he f abr i cat i on of wel dment s. Conf or m wel di ng pr ocedur e qual i f i cat i ons t o AWS D1. 1/ D1. 1M, AWS D1. 8/ D1. 8M and t o t he speci f i cat i ons i n t hi s sect i on. Submi t f or appr oval copi es of t he wel di ng pr ocedur e speci f i cat i on and t he r esul t s of t he pr ocedur e qual i f i cat i on t est r ecor ds f or each t ype of wel di ng whi ch r equi r es pr ocedur e qual i f i cat i on and t he wel der , wel di ng oper at or , or t acker qual i f i cat i on t est r ecor ds. . Appr oval of any pr ocedur e, however , does not r el i eve t he Cont r act or of t he sol e r esponsi bi l i t y f or pr oduci ng a f i ni shed st r uct ur e meet i ng al l t he speci f i ed r equi r ement s. Submi t t hi s i nf or mat i on on t he f or ms i n Annex M of AWS D1. 1/ D1. 1M. I ndi v i dual l y i dent i f y and cl ear l y r ef er ence on t he det ai l dr awi ngs and er ect i on dr awi ngs al l wel di ng pr ocedur e speci f i cat i ons, or sui t abl y key t hem t o t he cont r act dr awi ngs.

I n case of conf l i c t bet ween t hi s speci f i cat i on and AWS D1. 1/ D1. 1M, t hi s speci f i cat i on gover ns.

1. 3. 1 Gener al Requi r ement s

Fabr i cat e wor k i n an AI SC Cer t i f i ed Fabr i cat i on Pl ant , Cat egor y St d. Wor k must be er ect ed by an AI SC Cer t i f i ed Er ect or , Cat egor y CSE.

a. For St r uct ur al Pr oj ect s, pr ovi de document at i on of t he f ol l owi ng:

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( 1) Component Thi ckness 1/ 8 i nch and gr eat er : Qual i f i cat i on document s ( WPS, PQR, and WPQ) i n accor dance wi t h AWS D1. 1/ D1. 1M.

( 2) Component Thi ckness Less t han 1/ 8 i nch: Qual i f i cat i on document s ( WPS, PQR, and WPQ) i n accor dance wi t h AWS D1. 3/ D1. 3M.

( 3) Rei nf or ci ng St eel : Qual i f i cat i on document s ( WPS, PWR, and WPQ) i n accor dance wi t h AWS D1. 4/ D1. 4M.

b. For ot her appl i cat i ons, pr ovi de document at i on of t he f ol l owi ng:

( 1) Submi t t wo copi es of t he Cer t i f i ed Wel di ng Pr ocedur e Speci f i cat i ons ( WPS) , Cer t i f i ed Br azi ng Pr ocedur e Speci f i cat i ons ( BPS) and Cer t i f i ed Pr ocedur e Qual i f i cat i on Recor ds ( PQR) t o t he Cont r act i ng Of f i cer f or r evi ew.

( 2) Submi t t wo copi es of t he Cer t i f i ed Wel der Per f or mance Qual i f i cat i ons ( WPQ) and Cer t i f i ed Br azer Per f or mance Qual i f i cat i ons ( BPQ) t o t he Cont r act i ng Of f i cer f or r evi ew wi t hi n f i f t een cal endar days pr i or t o any empl oyee wel di ng on t he pr oj ect material.

( 3) Machi ner y: Qual i f i cat i on document s ( WPS, PQR, and WPQ) i n accor dance wi t h AWS D14. 4/ D14. 4M.

1. 3. 2 Pr evi ous Qual i f i cat i ons

Wel di ng pr ocedur es pr evi ousl y qual i f i ed by t est may be accept ed f or t hi s cont r act wi t hout r e- qual i f i cat i on, upon r ecei pt of t he t est r esul t s, i f t he f ol l owi ng condi t i ons ar e met :

a. Test i ng was per f or med by an appr oved t est i ng l abor at or y, t echni cal consul t ant , or t he Cont r act or ' s appr oved qual i t y cont r ol or gani zat i on.

b. The qual i f i ed wel di ng pr ocedur e conf or ms t o t he r equi r ement s of t hi s speci f i cat i on and i s appl i cabl e t o wel di ng condi t i ons encount er ed under t hi s cont r act .

c. The wel der , wel di ng oper at or , and t acker qual i f i cat i on t est s conf or m t o t he r equi r ement s of t hi s speci f i cat i on and ar e appl i cabl e t o wel di ng condi t i ons encount er ed under t hi s cont r act .

1. 3. 3 Pr e- qual i f i ed Pr ocedur es

Wel di ng pr ocedur es whi ch ar e consi der ed pr e- qual i f i ed as speci f i ed i n AWS D1. 1/ D1. 1M wi l l be accept ed wi t hout f ur t her qual i f i cat i on. Submi t f or appr oval a l i s t i ng or an annot at ed dr awi ng t o i ndi cat e t he j oi nt s not pr e- qual i f i ed. Pr ocedur e qual i f i cat i on i s mandat or y f or t hese j oi nt s.

1. 3. 4 Retests

I f wel di ng pr ocedur e f ai l s t o meet t he r equi r ement s of AWS D1. 1/ D1. 1M, r evi se and r e- qual i f y t he pr ocedur e speci f i cat i on, or at t he Cont r act or ' s opt i on, wel di ng pr ocedur e may be r et est ed i n accor dance wi t h AWS D1. 1/ D1. 1M.

I f t he wel di ng pr ocedur e i s qual i f i ed t hr ough r et est i ng, submi t al l t est r esul t s, i ncl udi ng t hose of t est wel ds t hat f ai l ed t o meet t he r equi r ement s, wi t h t he wel di ng pr ocedur e.

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1. 3. 5 Wel der , Wel di ng Oper at or , and Tacker Qual i f i cat i on

Each wel der , wel di ng oper at or , and t acker assi gned t o wor k on t hi s cont r act must be qual i f i ed i n accor dance wi t h t he appl i cabl e r equi r ement s of AWS D1. 1/ D1. 1M and as speci f i ed i n t hi s sect i on. Wel der s, wel di ng oper at or s, and t acker s who make accept abl e pr ocedur e qual i f i cat i on t est wel ds wi l l be consi der ed qual i f i ed f or t he wel di ng pr ocedur e used.

1. 3. 5. 1 Pr evi ous Per sonnel Qual i f i cat i ons

At t he di scr et i on of t he Cont r act i ng Of f i cer , wel der s, wel di ng oper at or s, and t acker s qual i f i ed by t est wi t hi n t he pr evi ous 6 mont hs may be accept ed f or t hi s cont r act wi t hout r e- qual i f i cat i on i f al l t he f ol l owi ng condi t i ons ar e met :

a. Copi es of t he wel di ng pr ocedur e speci f i cat i ons, t he pr ocedur e qual i f i cat i on t est r ecor ds, and t he wel der , wel di ng oper at or , and t acker qual i f i cat i on t est r ecor ds ar e submi t t ed and appr oved i n accor dance wi t h t he speci f i ed r equi r ement s f or det ai l dr awi ngs.

b. Test i ng was per f or med by an appr oved t est i ng l abor at or y, t echni cal consul t ant , or t he Cont r act or ' s appr oved qual i t y cont r ol or gani zat i on.

c. The pr evi ousl y qual i f i ed wel di ng pr ocedur e conf or ms t o t he r equi r ement s of t hi s speci f i cat i on and i s appl i cabl e t o wel di ng condi t i ons encount er ed under t hi s cont r act .

d. The wel der , wel di ng oper at or , and t acker qual i f i cat i on t est s conf or m t o t he r equi r ement s of t hi s speci f i cat i on and ar e appl i cabl e t o wel di ng condi t i ons encount er ed under t hi s cont r act .

1. 3. 5. 2 Certificates

Bef or e assi gni ng any wel der , wel di ng oper at or , or t acker t o wor k under t hi s cont r act , submi t t he names of t he wel der s, wel di ng oper at or s, and t acker s t o be empl oyed, and cer t i f i cat i on t hat each i ndi v i dual i s qual i f i ed as speci f i ed. St at e i n t he cer t i f i cat i on t he t ype of wel di ng and posi t i ons f or whi ch t he wel der , wel di ng oper at or , or t acker i s qual i f i ed, t he code and pr ocedur e under whi ch t he i ndi v i dual i s qual i f i ed, t he dat e qual i f i ed, and t he name of t he f i r m and per son cer t i f y i ng t he qual i f i cat i on t est s. Keep t he cer t i f i cat i on cur r ent , on f i l e, and f ur ni sh 3 copi es.

1. 3. 5. 3 Renewal of Qual i f i cat i on

Re- qual i f i cat i on of a wel der or wel di ng oper at or i s r equi r ed under any of t he f ol l owi ng condi t i ons:

a. I t has been mor e t han 6 mont hs s i nce t he wel der or wel di ng oper at or has used t he speci f i c wel di ng pr ocess f or whi ch he i s qual i f i ed.

b. Ther e i s speci f i c r eason t o quest i on t he wel der or wel di ng oper at or ' s abi l i t y t o make wel ds t hat meet t he r equi r ement s of t hese specifications.

c. The wel der or wel di ng oper at or was qual i f i ed by an empl oyer ot her t han t hose f i r ms per f or mi ng wor k under t hi s cont r act , and a qual i f i cat i on t est has not been t aken wi t hi n t he past 12 mont hs. Submi t as evi dence of conf or mance al l r ecor ds showi ng per i ods of empl oyment , name of

Apr i l 2019 Page 4 SECTI ON 05 05 23. 16 empl oyer wher e wel der , or wel di ng oper at or , was l ast empl oyed, and t he pr ocess f or whi ch qual i f i ed.

d. A t acker who passes t he qual i f i cat i on t est i s consi der ed el i gi bl e t o per f or m t ack wel di ng i ndef i ni t el y i n t he posi t i ons and wi t h t he pr ocesses f or whi ch he/ she i s qual i f i ed, unl ess t her e i s some speci f i c r eason t o quest i on t he t acker ' s abi l i t y . I n such a case, t he t acker i s r equi r ed t o pass t he pr escr i bed t ack wel di ng t est .

1. 3. 6 I nspect or Qual i f i cat i on

Submi t i nspect or qual i f i cat i ons t hat ar e i n accor dance wi t h AWS D1. 1/ D1. 1M and AWS D1. 8/ D1. 8M. Qual i f y al l nondest r uct i ve t est i ng per sonnel i n accor dance wi t h t he r equi r ement s of ANSI / ASNT CP- 189 f or Level s I or I I i n t he appl i cabl e nondest r uct i ve t est i ng met hod. The i nspect or may be suppor t ed by assi st ant wel di ng i nspect or s who ar e not qual i f i ed t o AWS D1. 1/ D1. 1M, and assi st ant i nspect or s may per f or m speci f i c i nspect i on f unct i ons under t he super vi s i on of t he qual i f i ed i nspect or , as al l owed by

AWS D1. 1/ D1. 1M.

1. 3. 7 Symbol s and Saf et y

Use symbol s i n accor dance wi t h AWS A2. 4, unl ess ot her wi se i ndi cat ed.

Fol l ow saf e wel di ng pr act i ces and saf et y pr ecaut i ons dur i ng wel di ng i n conf or mance wi t h AWS Z49. 1.

PART 2 PRODUCTS

2. 1 SYSTEM DESCRI PTI ON

Conf or m t he desi gn of wel ded connect i ons t o AI SC 360, unl ess ot her wi se i ndi cat ed or speci f i ed. Mat er i al wi t h wel ds wi l l not be accept ed unl ess t he wel di ng i s speci f i ed or i ndi cat ed on t he dr awi ngs or ot her wi se appr oved. Per f or m wel di ng as speci f i ed i n t hi s sect i on, except wher e addi t i onal r equi r ement s ar e shown on t he dr awi ngs or ar e speci f i ed i n ot her sect i ons. Do not commence wel di ng unt i l wel di ng pr ocedur es, i nspect or s, nondest r uct i ve t est i ng per sonnel , wel der s, wel di ng oper at or s, and t acker s have been qual i f i ed and t he submi t t al s appr oved by t he Cont r act i ng Of f i cer . Per f or m al l t est i ng at or near t he wor k s i t e.

Mai nt ai n r ecor ds of t he t est r esul t s obt ai ned i n wel di ng pr ocedur e, wel der , wel di ng oper at or , and t acker per f or mance qual i f i cat i ons.

2. 1. 1 Pr e- er ect i on Conf er ence

Hol d a pr e- er ect i on conf er ence pr i or t o t he st ar t of t he f i el d wel di ng, t o br i ng al l af f ect ed par t i es t oget her and t o gai n a nat ur al l y c l ear under st andi ng of t he pr oj ect and t he Wel di ng Pr ocedur e Speci f i cat i ons ( WPS) ( submi t t ed f or al l wel di ng, i ncl udi ng wel di ng done usi ng pr e- qual i f i ed pr ocedur es) . Mandat or y at t endance i s r equi r ed by al l Cont r act or ' s wel di ng pr oduct i on and i nspect i on per sonnel and appr opr i at e Gover nment per sonnel . I ncl ude as i t ems f or di scussi on: r esponsi bi l i t i es of var i ous par t i es; wel di ng pr ocedur es and pr ocesses t o be f ol l owed;

wel di ng sequence ( bot h wi t hi n a j oi nt and j oi nt sequence wi t hi n t he bui l di ng) ; i nspect i on r equi r ement s and pr ocedur es, bot h v i sual and nondest r uct i ve t est i ng; wel di ng schedul e; and ot her i t ems deemed necessar y by t he at t endees.

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2. 2 WELDI NG EQUI PMENT AND MATERI ALS

Pr ovi de al l wel di ng equi pment , wel di ng el ect r odes and r ods, wel di ng wi r e, and f l uxes capabl e of pr oduci ng sat i sf act or y wel ds when used by a qual i f i ed wel der or wel di ng oper at or per f or mi ng qual i f i ed wel di ng pr ocedur es. Use E70 wel di ng el ect r odes. Per f or m wel di ng usi ng t he SMAW pr ocess. Pr ovi de wel di ng equi pment and mat er i al s t hat compl y wi t h t he appl i cabl e r equi r ement s of AWS D1. 1/ D1. 1M. Submi t pr oduct dat a on wel di ng el ect r odes and r ods.

PART 3 EXECUTI ON

3. 1 WELDI NG OPERATI ONS

3. 1. 1 Requirements

Conf or m wor kmanshi p and t echni ques f or wel ded const r uct i on t o t he r equi r ement s of AWS D1. 1/ D1. 1M and AI SC 360. When AWS D1. 1/ D1. 1M and t he AI SC 360 speci f i cat i on conf l i c t , t he r equi r ement s of AWS D1. 1/ D1. 1M gover n.

3. 1. 2 Identification

I dent i f y al l wel ds i n one of t he f ol l owi ng ways:

a. Submi t wr i t t en r ecor ds t o i ndi cat e t he l ocat i on of wel ds made by each wel der , wel di ng oper at or , or t acker .

b. I dent i f y al l wor k per f or med by each wel der , wel di ng oper at or , or t acker wi t h an assi gned number , l et t er , or symbol t o i dent i f y wel ds made by t hat i ndi v i dual . The Cont r act i ng Of f i cer may r equi r e wel der s, wel di ng oper at or s, and t acker s t o appl y t hei r symbol next t o t he wel d by means of r ubber st amp, f el t - t i pped mar ker wi t h wat er pr oof i nk, or ot her met hods t hat do not cause an i ndent at i on i n t he met al . Pl ace t he i dent i f i cat i on mar k f or seam wel ds adj acent t o t he wel d at 3 f oot i nt er val s. I dent i f i cat i on wi t h di e st amps or el ect r i c et cher s i s not allowed.

3. 2 QUALI TY CONTROL

Per f or m t est i ng usi ng an appr oved i nspect i on or t est i ng l abor at or y or t echni cal consul t ant ; or i f appr oved, t he Cont r act or ' s i nspect i on and t est i ng per sonnel may be used i nst ead of t he commer ci al i nspect i on or t est i ng l abor at or y or t echni cal consul t ant . Per f or m vi sual i nspect i ons t o det er mi ne conf or mance wi t h par agr aph STANDARDS OF ACCEPTANCE. Conf or m pr ocedur es and t echni ques f or i nspect i on wi t h appl i cabl e r equi r ement s of AWS D1. 1/ D1. 1M, ASTM E165/ E165M, and ASTM E709. Submi t a Wel di ng Qual i t y Assur ance Pl an and r ecor ds of t est s and i nspect i ons.

3. 3 STANDARDS OF ACCEPTANCE

Conf or m di mensi onal t ol er ances f or wel ded const r uct i on, det ai l s of wel ds, and qual i t y of wel ds wi t h t he appl i cabl e r equi r ement s of AWS D1. 1/ D1. 1M and t he cont r act dr awi ngs. Per f or m nondest r uct i ve t est i ng by v i sual i nspect i on met hods. The mi ni mum ext ent of nondest r uct i ve t est i ng must be as i ndi cat ed on t he dr awi ngs. Submi t al l r ecor ds of nondest r uct i ve testing.

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3. 3. 1 Nondest r uct i ve Test i ng

The wel di ng i s subj ect t o i nspect i on and t est s i n t he mi l l , shop, and f i el d. I nspect i on and t est s i n t he mi l l or shop do not r el i eve t he Cont r act or of t he r esponsi bi l i t y t o f ur ni sh wel dment s of sat i sf act or y qual i t y. When mat er i al s or wor kmanshi p do not conf or m t o t he speci f i cat i on r equi r ement s, t he Gover nment r eser ves t he r i ght t o r ej ect mat er i al or wor kmanshi p or bot h at any t i me bef or e f i nal accept ance of t he st r uct ur e cont ai ni ng t he wel dment . Any i ndi cat i on of a def ect i s r egar ded as a def ect , unl ess r e- eval uat i on by nondest r uct i ve met hods or by sur f ace condi t i oni ng shows t hat no unaccept abl e def ect i s pr esent . Submi t al l r ecor ds of nondest r uct i ve t est i ng i n accor dance wi t h par agr aph STANDARDS

OF ACCEPTANCE.

3. 3. 2 Dest r uct i ve Test s

Make al l r epai r s when met al l ogr aphi c speci mens ar e r emoved f r om any par t of a st r uct ur e. Empl oy onl y qual i f i ed wel der s or wel di ng oper at or s, and use t he pr oper j oi nt s and wel di ng pr ocedur es, i ncl udi ng peeni ng or heat t r eat ment i f r equi r ed, t o devel op t he f ul l st r engt h of t he member s and j oi nt s cut and t o r el i eve r esi dual st r ess.

3. 4 GOVERNMENT I NSPECTI ON AND TESTI NG

I n addi t i on t o t he i nspect i on and t est s per f or med by t he Cont r act or f or qual i t y cont r ol , t he Gover nment wi l l per f or m i nspect i on and t est i ng f or accept ance t o t he ext ent det er mi ned by t he Cont r act i ng Of f i cer . The cost s of such i nspect i on and t est i ng wi l l be bor ne by t he Cont r act or i f unsat i sf act or y wel ds ar e di scover ed, or by t he Gover nment i f t he wel ds ar e sat i sf act or y. The wor k may be per f or med by t he Gover nment ' s own f or ces or under a separ at e cont r act f or i nspect i on and t est i ng. The Gover nment r eser ves t he r i ght t o per f or m suppl ement al nondest r uct i ve and dest r uct i ve t est s t o det er mi ne compl i ance wi t h par agr aph STANDARDS OF ACCEPTANCE.

3. 5 CORRECTI ONS AND REPAI RS

I f i nspect i on or t est i ng i ndi cat es def ect s i n t he wel d j oi nt s, r epai r def ect i ve wel ds usi ng a qual i f i ed wel der or wel di ng oper at or as appl i cabl e. Conduct cor r ect i ons i n accor dance wi t h t he r equi r ement s of AWS D1. 1/ D1. 1M and t he speci f i cat i ons. Repai r al l def ect s i n accor dance wi t h t he appr oved pr ocedur es. Repai r def ect s di scover ed bet ween passes bef or e addi t i onal wel d mat er i al i s deposi t ed. Wher ever a def ect i s r emoved and r epai r by wel di ng i s not r equi r ed, bl end t he af f ect ed ar ea i nt o t he sur r oundi ng sur f ace t o el i mi nat e shar p not ches, cr evi ces, or cor ner s. Af t er a def ect i s t hought t o have been r emoved, and bef or e r e- wel di ng, exami ne t he ar ea by sui t abl e met hods t o ensur e t hat t he def ect has been el i mi nat ed. Repai r ed wel ds must meet t he i nspect i on r equi r ement s f or t he or i gi nal wel ds.

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