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NL Master Specification Guidefor Public Funded Buildings

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$ R#L!"#% S#&"'(NS

.1 Section 01 74 21 Construction/Deolition Waste !anageent and Disposal

.2 Section 23 05 05 " #nstallation of Pipe$or%.

.3 Section 23 21 13.02 " &'dronic S'stes( Steel

$2 R#F#R#NS

.1 )erican *ational Standards #nstitute/)erican Societ' of !ec+anical ,ngineers.-)*S#/)S!,

.1 )*S#/)S!, 31.1 Po$er Piping.

.2 )*S#/)S!, 31.3 Process Piping.

.3 )*S#/)S!, 31.5 efrigeration Piping and &eat ransfer Coponents.

.4 )*S#/)S!, 31. uilding Serices.

.5 )*S#/)S!, oiler and Pressure essel Code

.1 Section #( Po$er oilers.

.2 Section ( *ondestructie ,6aination.

.3 Section #( Welding and ra8ing 9ualifications.

.2 )erican *ational Standards #nstitute/)erican Water Wor%s )ssociation-)*S#/)WW)

.1 )*S#/)WW) C20: ;ield Welding of Steel Water Pipe.

.3 )erican Welding Societ' -)WS

.1 )WS C1.1 ecoended Practices for esistance Welding.

.2 )WS

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NL Master Specification Guidefor Public Funded Buildings

Re-issued 2009/0/0 Section 23 05 17 Pipe Welding Page 2 of 4

$) *+!L'F'&!"'(NS

.1 Welders

.1 Welding Bualifications in accordance $it+ CS) 51

.2 se Bualified and licensed $elders possessing certificate for eac+ procedure

perfored fro aut+orit' +aing urisdiction..3 ;urnis+ $elderEs Bualifications to A$nerFs epresentatie.

.4 ,ac+ $elder to possess identification s'=ol issued =' aut+orit' +aingurisdiction.

.5 Certification of copanies for fusion $elding of aluinu in accordance $it+CS) W47.2.

.2 #nspectors

.1 #nspectors Bualified to CS) W17?.2.

$, *+!L'" !SS+R!N

.1 egistration of $elding procedures in accordance $it+ CS) 51 CS) 52 and proincialregulations.

.2 Cop' of $elding procedures aaila=le for inspection.

.3 Safet' in $elding cutting and allied processes in accordance $it+ CS)"W117.2.

$. !S"# M!N!G#M#N" !N% %'SP(S!L

.1 Separate and rec'cle $aste aterials in accordance $it+ Section 01 74 21 Construction /Deolition Waste !anageent and Disposal and $it+ t+e Waste eduction Wor%plan.

.2 eoe fro site and dispose of all pac%aging aterials at appropriate rec'cling facilities.

.3 Collect and separate for disposal paper plastic pol'st'rene corrugated card=oardpac%aging aterial in appropriate on"site =ins for rec'cling in accordance $it+ Waste!anageent Plan.

.4 Diert unused etal aterials fro landfill to etal rec'cling facilit' as approed ='A$nerFs epresentatie.

P!R" 2 PR(%+&"S

2$ #L#&"R(%#S

.1 ,lectrodes( in accordance $it+ CS) W4? Series.

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NL Master Specification Guidefor Public Funded Buildings

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)$ (R1M!NS'P

.1 Welding( in accordance $it+ )*S#/)S!, 31.1 31.3 31.5 31. )*S#/)S!,oiler and Pressure essel Code Sections # and # and )*S#/)WW) C20: using

procedures conforing to )WS C1.1 and special procedures specified else$+ere in!ec+anical Diision and applica=le reBuireents of proincial aut+orit' +aingurisdiction.

)$2 'NS"!LL!"'(N R#*+'R#M#N"S

.1 #dentif' eac+ $eld $it+ $elderEs identification s'=ol.

.2 ac%ing rings(

.1 W+ere used fit to inii8e gaps =et$een ring and pipe =ore.

.2 Do not install at orifice flanges.

.3 ;ittings(

.1 *PS 2 and saller( install $elding t'pe soc%ets.

.2 ranc+ connections( install $elding tees or forged =ranc+ outlet fittings.

)$ ) 'NSP#&"'(N !N% "#S"S - G#N#R!L R#*+'R#M#N"S

.1 eie$ $eld Bualit' reBuireents and defect liits of applica=le codes and standards $it+A$nerFs epresentatie =efore $or% is started.

.2 ;orulate G#nspection and est PlanG in co"operation $it+ A$nerFs epresentatie.

.3 Do not conceal $elds until t+e' +ae =een inspected tested and approed =' inspector.

.4 Proide for inspector to isuall' inspect $elds during earl' stages of $elding procedures inaccordance $it+ Welding #nspection &and=oo%. epair or replace defects as reBuired ='codes and as specified.

)$, SP#&'!L'S" #!M'N!"'(NS !N% "#S"S

.1 >eneral

.1 Perfor e6ainations and tests =' specialist engaged =' contractor Bualified inaccordance $it+ CS) W17?.1 and CS) W17?.2 and approed =' A$nerFsepresentatie.

.2 o )*S#/)S!, oiler and Pressure essels Code Section CS) 51 and

reBuireents of aut+orit' +aing urisdiction.

.3 #nspect and test $elds in accordance $it+ G#nspection and est PlanG =' non"destructie isual e6aination and agnetic particle -+ereinafter referred to asGparticleG tests and/or spot or full gaa ra' radiograp+ic -+ereinafter referred toas Gradiograp+'G tests. )s per applica=le reference standard or as specified.

.2 &'drostaticall' test $elds to reBuireents of )*S#/)S!, 31.1.

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NL Master Specification Guidefor Public Funded Buildings

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.3 isual e6ainations( include entire circuference of $eld e6ternall' and $+ereerpossi=le internall'.

.4 ;ailure of isual e6ainations(

.1 pon failure of $elds =' isual e6aination perfor additional testing as

directed =' A$nerFs epresentatie of total of up to 10 H of $elds selected atrando =' A$nerFs epresentatie =' radiograp+ic tests.

.5 ;ull radiograp+ic tests for piping s'stes.

.1 Spot radiograp+' to C)*/C>S"4?.2.

.1 Conduct spot radiograp+ic tests of up to 10H of $elds selected atrando =' A$nerFs epresentatie fro $elds $+ic+ $ould =e ostdifficult to repair in eent of failure after s'ste is operational.

.2 adiograp+ic fil(

.1 #dentif' eac+ radiograp+ic fil $it+ date location nae of $elder andsu=it to A$nerFs epresentatie. eplace fil if reected =ecause ofpoor Bualit'.

.3 #nterpretation of radiograp+ic fils(

.1 ' Bualified radiograp+er.

.4 ;ailure of radiograp+ic tests(

.1 ,6tend tests to $elds =' $elder responsi=le $+en t+ose $elds fail tests.

.: !agnetic particle tests for piping s'stes as indicated.

)$. %#F#&"S &!+S'NG R#3#&"'(N

.1 )s descri=ed in )*S#/)S!, 31.1 and )*S#/)S!, oiler and Pressure essels Code.

.2 #n addition c+illed $ater s'stes =elo$ 1000 %Pa(

.1 ndercutting greater t+an 0.? adacent to coer =ead on outside of pipe.

.2 ndercutting greater t+an 0.? adacent to root =ead on inside of pipe.

.3 ndercutting greater t+an 0.? at co=ination of internal surface and e6ternalsurface.

.4 #ncoplete penetration and incoplete fusion greater t+an total lengt+ of 3? in1500 lengt+ of $eld dept+ of suc+ defects =eing greater t+an 0.? .

.5 epair crac%s and defects in e6cess of 0.? in dept+.

.: epair defects $+ose dept+ cannot =e deterined accuratel' on =asis of isuale6aination or radiograp+ic particle tests.

)$4 R#P!'R (F #L%S '& F!'L#% "#S"S

.1 e"inspect and re"test repaired or re"$or%ed $elds at ContractorEs e6pense.

#N% (F S#&"'(N