ATTACHMENT_1_NASA_IDF_FINAL_Specifications_Vol_2_Section_23_22_13_revised.pdf_-_kms.pdf

NASA Goddar d Space Fl i ght Cent er Fi nal Submi ssi on I nst r ument Devel opment Faci l i t y December 8, 2016

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STEAM TRAPS

11/15

PART 1 GENERAL

1. 1 RELATED DOCUMENTS

Dr awi ngs and gener al pr ovi s i ons of t he Cont r act , i ncl udi ng Gener al and Suppl ement ar y Condi t i ons and ot her Di v i s i on 01 Speci f i cat i on Sect i ons, appl y t o t hi s Sect i on.

1. 2 SUMMARY

Thi s Sect i on i nc l udes r equi r ement s and ot her cr i t er i a f or st eam t r aps, t r ap bodi es and component s, and t hei r i nst al l at i on.

1. 3 RELATED SECTI ONS

Rel at ed Sect i ons i ncl ude t he f ol l owi ng:

1. Di v i s i on 23 Sect i on 23 00 00 " Ai r Suppl y, Di st r i but i on, Vent i l at i on, and Exhaust Syst ems. "

1. 4 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.

ASME I NTERNATI ONAL ( ASME)

ASME B31. 1 ( 2014; I NT 1- 47) Power Pi pi ng

ASTM I NTERNATI ONAL ( ASTM)

ASTM A 105/ A 105M ( 2010) St andar d Speci f i cat i on f or Car bon St eel For gi ngs f or Pi pi ng Appl i cat i ons

ASTM A 216/ A 216M ( 2008) St andar d Speci f i cat i on f or St eel Cast i ngs, Car bon, Sui t abl e f or Fusi on Wel di ng, f or Hi gh- Temper at ur e Ser vi ce

ASTM A 278/ A 278M ( 2001; R 2006) St andar d Speci f i cat i on f or Gr ay I r on Cast i ngs f or Pr essur e- Cont ai ni ng Par t s f or Temper at ur es Up t o 650 degr ees F ( 350 degr ees C)

U. S. GREEN BUI LDI NG COUNCI L ( USGBC)

LEED NC ( 2009; R2014) Leader shi p i n Ener gy and Envi r onment al Desi gn( t m) New Const r uct i on Rat i ng Syst em

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1. 5 GENERAL REQUI REMENTS

Submi t manuf act ur er ' s cat al og dat a f or st eam t r aps i n compl i ance wi t h r ef er enced st andar ds cont ai ned i n t hi s sect i on.

Submi t i nst al l at i on dr awi ngs f or st eam t r aps i n compl i ance wi t h t he manuf act ur er ' s publ i shed i nst r uct i ons.

Submi t l i s t i ng of pr oduct i nst al l at i on f or st eam t r aps, i ndi cat i ng at l east f i ve i nst al l ed uni t s, s i mi l ar t o t hose pr oposed f or use, t hat have been i n successf ul ser vi ce f or a mi ni mum of f i ve year s.

1. 6 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 i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . The f ol l owi ng shal l be submi t t ed i n accor dance wi t h Di v i s i on 01 Sect i on 01 33 00 " Submi t t al Procedures":

SD- 03 Pr oduct Dat a

Manuf act ur er ' s Cat al og Dat a; G, AE

SD- 02 Shop Dr awi ngs

I nst al l at i on Dr awi ngs; G, AE

SD- 07 Cer t i f i cat es

Li st i ng of Pr oduct I nst al l at i on; G, AE

St eam Tr aps; G, AE

Tr ap Bodi es and Component s; G, AE

SD- 11 Cl oseout Submi t t al s

Fi nal Sust ai nabi l i t y Not ebook Submi t t al ; G

LEED Document at i on Not ebook; G

1. 7 SUSTAI NABLE DESI GN REQUI REMENTS

1. 7. 1 Fi nal Sust ai nabi l i t y Not ebook Submi t t al

Ref er t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG f or f eder al sust ai nabi l i t y pr oduct and document at i on r equi r ement s.

1. 7. 2 LEED Document at i on Not ebook

Ref er t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG f or LEED NC pr er equi s i t es and cr edi t s r equi r ed t o be ear ned f or t hi s pr oj ect ( r ef er t o LEED scor ecar d at t ached t o 01 33 29 SUSTAI NABI LI TY REPORTI NG f or t hose cr edi t s and r equi r ed poi nt s i n t hose cr edi t s) . Ref er t o t he LEED NC v2009 r ef er ence gui de and addi t i onal onl i ne gui dance at www. usgbc. or g f or document at i on r equi r ement s.

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PART 2 PRODUCTS

2. 1 MATERIALS

Ensur e t hat t r aps exposed t o weat her ar e f r eezepr oof .

Submi t cer t i f i cat es f or st eam t r aps and t r ap bodi es and component s subst ant i at i ng compl i ance wi t h t he r ef er enced st andar ds cont ai ned i n t hi s Section.

2. 2 TRAP APPLI CATI ON

SERVICE TRAP TYPE

St eam mai ns, r i ser s, Type I B, i nver t ed bucket wi t h br anches t her most at i c ai r vent wher e necessar y

Hot - wat er heat exchanger Type F&T, f l oat and t her mo-s t at i c

Fl ash t ank Type I B, i nver t ed bucket

2. 3 TRAP- SI ZI NG CRI TERI A

Si ze t r aps i n st eam mai ns, r i ser s, and br anches t o pr ovi de an act ual capaci t y, under nor mal oper at i ng condi t i ons, of not l ess t han t hr ee t i mes t he nor mal condensi ng r at e.

Si ze t r aps dr ai ni ng under gr ound st eam mai ns t o pr ovi de an act ual capaci t y, under nor mal oper at i ng condi t i ons, of not l ess t han f our t i mes t he nor mal condensi ng r at e.

Si ze t r aps i n al l ot her ser vi ces t o pr ovi de an act ual capaci t y, under nor mal oper at i ng condi t i ons, of t hr ee t i mes nor mal condensi ng r at e.

Tr ap saf et y f act or s ar e mi ni mal . I ncr ease saf et y f act or wher e necessar y t o ensur e pr oper syst em dr ai nage f or a gi ven appl i cat i on. Do not decr ease wi t hout wr i t t en appr oval .

2. 4 TRAP TYPE, CONSTRUCTI ON, AND MATERI ALS

Pr ovi de t r ap bodi es and component s wi t h a pr i mar y wor ki ng st eam pr essur e ( wsp) - r at i ng equal t o or i n excess of t he maxi mum wsp of t he st eam syst em t o whi ch t hey ar e appl i ed.

Pr ovi de cast i r on t r ap bodi es f or pr essur es 125- psi wsp and under i n compl i ance wi t h ASTM A 278/ A 278M, Cl ass 30.

Pr ovi de wel ded end connect i on t r ap bodi es of cast st eel i n compl i ance wi t h ASTM A 216/ A 216M, Gr ade WCB or f or ged car bon st eel i n compl i ance wi t h ASTM A 105/ A 105M, as di r ect ed by engi neer .

Ensur e t r aps have per manent ext er nal i dent i f i cat i on of ser vi ce i ndi cat i ng r at i ng and or i f i ce s i ze.

On cl ean st eam syst em, al l wet t ed par t s of st eam t r aps shal l be 304 st ai nl ess st eel .

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2. 4. 1 Type I B

Pr ovi de i nver t ed bucket t r aps wi t h AI SI 300 Ser i es cor r osi on- r esi st ant st eel f l oat s and oper at i ng mechani sms, and har dened 13 per cent chr ome cor r osi on- r esi st ant st eel seat s and val ves.

Pr ovi de bi met al l i c t ype t her most at i c el ement s.

Desi gn t r aps t o per mi t r emoval and r epl acement of al l oper at i ng and wear i ng par t s wi t hout di st ur bi ng pi pi ng connect i ons t o t r ap body.

Pr ovi de st r ai ner s as an i nt egr al par t of t he body.

Pr ovi de bodi es wi t h pl ugged pr i mi ng and dr ai ni ng openi ngs.

Pr ovi de t est cocks.

2. 4. 2 Type F&T

Pr ovi de f l oat and t her most at i c t r aps wi t h AI SI 300 ser i es cor r osi on- r esi st ant st eel , hel i ar c- wel ded f l oat s and oper at i ng mechani sms, and har dened 13 per cent chr ome cor r osi on- r esi st ant st eel seat s and val ves.

Bal ance t her most at i c el ement s, pr essur e t ype, wi t h cor r osi on- r esi st ant al l oy bel l ows char ged wi t h a f l ui d t hat pr ovi des t he most r api d r esponse t o changes i n t emper at ur e.

Make bel l ows sui t abl e f or ser vi ce wi t h condensat e havi ng a pH of 6. 0.

Desi gn t r aps t o per mi t r emoval and r epl acement of al l oper at i ng and wear i ng par t s wi t hout di st ur bi ng pi pi ng connect i ons t o t r ap body.

Desi gn bel l ows t o per mi t r emoval whi l e hot wi t hout over expansi on and shi el d f r om di r ect bl ast of st eam and condensat e.

Fi t bodi es wi t h dr ai n pl ug.

PART 3 EXECUTI ON

3. 1 TRAP I NSTALLATI ON

I nst al l t r aps i n compl i ance wi t h manuf act ur er ' s i nst al l at i on i nst r uct i ons and i n accor dance wi t h ASME B31. 1.

3. 2 COMPONENT I NSTALLATI ON

I nst al l t r ap component s i n compl i ance wi t h t he manuf act ur er ' s i nst al l at i on i nst r uct i ons and i n accor dance wi t h ASME B31. 1.

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