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

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FACI LI TY GAS PI PI NG

04/17

PART 1 GENERAL

1. 1 SUMMARY

Thi s speci f i cat i on sect i on appl i es t o i nci dent al under gr ound pi pi ng under bui l di ng, above gr ound st eel pi pi ng and cor r ugat ed st ai nl ess st eel t ubi ng ( CSST) bot h out si de ( up t o 5 f eet beyond ext er i or wal l s) and wi t hi n bui l di ngs i n compl i ance wi t h NFPA 54/ AGA Z223. 1NFPA 58, " Fuel Gas Pi pi ng" .

1. 2 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 GAS ASSOCI ATI ON ( AGA)

AGA XR0603 ( 2006; 8t h Ed) AGA Pl ast i c Pi pe Manual f or Gas Ser vi ce

AGA Z223. 1 ( 2012) Nat i onal Fuel Gas Code

AMERI CAN NATI ONAL STANDARDS I NSTI TUTE ( ANSI )

ANSI Z21. 1 ( 2010; Addenda A 2011; Addenda B 2012) Househol d Cooki ng Gas Appl i ances

ANSI Z21. 15/ CSA 9. 1 ( 2009; Addenda A 2012, Addenda B 2013; R 2014) Manual l y Oper at ed Gas Val ves f or Appl i ances, Appl i ance Connect or Val ves and Hose End Val ves

ANSI Z21. 18/ CSA 6. 3 ( 2007; Addenda A 2010; Addenda B 2012; R 2013) Gas Appl i ance Pr essur e Regul at or s

ANSI Z21. 21/ CSA 6. 5 ( 2015) Aut omat i c Val ves f or Gas Appl i ances

ANSI Z21. 24/ CSA 6. 10 ( 2006; R 2011) Connect or s f or Gas Appliances

ANSI Z21. 41/ CSA 6. 9 ( 2014) Qui ck- Di sconnect Devi ces f or Use wi t h Gas Fuel Appl i ances

ANSI Z21. 69/ CSA 6. 16 ( 2009; Addenda A 2012; R 2014) Connect or s f or Movabl e Gas Appl i ances

ANSI Z21. 78/ CSA 6. 20 ( 2010; R 2015) St andar d Speci f i cat i on f or Combi nat i on Gas Cont r ol s f or Gas Appl i ances

ANSI Z21. 80/ CSA 6. 22 ( 2011; Addenda A 2012; R 2016) Li ne Pr essur e Regul at or s

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AMERI CAN PETROLEUM I NSTI TUTE ( API )

API 570 ( 2016, 4t h Ed) Pi pi ng I nspect i on Code:

I n- Ser vi ce I nspect i on, Rat i ng, Repai r , and Al t er at i on of Pi pi ng Syst ems

API MPMS 2. 2A ( 1995; R 2012) Measur ement and Cal i br at i on of Upr i ght Cyl i ndr i cal Tanks by t he Manual St r appi ng Met hod

API MPMS 2. 2E ( 2004; Er r at a 2009; R 2009) Pet r ol eum and Li qui d Pet r ol eum Pr oduct s - Cal i br at i on of Hor i zont al Cyl i ndr i cal Tanks - Par t 1:

Manual Met hods

API RP 1110 ( 2013) Pr essur e Test i ng of St eel Pi pel i nes f or t he Tr anspor t at i on of Gas, Pet r ol eum Gas, Hazar dous Li qui ds, Hi ghl y Vol at i l e Li qui ds or Car bon Di oxi de

API RP 2003 ( 2008; 7t h Ed) Pr ot ect i on Agai nst I gni t i ons Ar i s i ng out of St at i c, Li ght ni ng, and St r ay Cur r ent s

API RP 2009 ( 2002; R 2007; 7t h Ed) Saf e Wel di ng, Cut t i ng, and Hot Wor k Pr act i ces i n Ref i ner i es, Gasol i ne Pl ant s, and Pet r ochemi cal Pl ant s

API Spec 15LR ( 2001; R 2013) Speci f i cat i on f or Low Pr essur e Fi ber gl ass Li ne Pi pe and Fi t t i ngs

API Spec 5CT ( 2011; Er r at a 1 2012; Er r at a 2 2016) Speci f i cat i on f or Casi ng and Tubi ng

API Spec 6D ( 2014; Er r at a 1- 2 2014; Er r at a 3- 6 2015;

ADD 1 2015; ADD 2 2016; Er r at a 7 2016;

Er r at a 8 2016) Speci f i cat i on f or Pi pel i ne Valves

API St d 598 ( 2009) Val ve I nspect i ng and Test i ng

API St d 607 ( 2016) Test i ng of Val ves: Fi r e Test f or Sof t - Seat ed Quar t er - Tur n Val ves

AMERI CAN SOCI ETY OF CI VI L ENGI NEERS ( ASCE)

ASCE 25- 16 ( 2016) Ear t hquake- Act i vat ed Aut omat i c Gas Shut of f Devi ces

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS A5. 8/ A5. 8M ( 2011; Amendment 2012) Speci f i cat i on f or Fi l l er Met al s f or Br azi ng and Br aze Wel di ng

AWS WHB- 2. 9 ( 2004) Wel di ng Handbook; Vol ume 2, Wel di ng Pr ocesses, Par t 1

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ASME I NTERNATI ONAL ( ASME)

ASME A13. 1 ( 2015) Scheme f or t he I dent i f i cat i on of Pi pi ng Syst ems

ASME B1. 1 ( 2003; R 2008) Uni f i ed I nch Scr ew Thr eads ( UN and UNR Thr ead For m)

ASME B1. 20. 1 ( 2013) Pi pe Thr eads, Gener al Pur pose ( I nch)

ASME B1. 20. 2M ( 2006; R 2011) Pi pe Thr eads, 60 Deg.

Gener al Pur pose ( Met r i c)

ASME B16. 1 ( 2015) Gr ay I r on Pi pe Fl anges and Fl anged Fi t t i ngs Cl asses 25, 125, and 250

ASME B16. 11 ( 2011) For ged Fi t t i ngs, Socket - Wel di ng and Threaded

ASME B16. 21 ( 2011) Nonmet al l i c Fl at Gasket s f or Pi pe Flanges

ASME B16. 3 ( 2011) Mal l eabl e I r on Thr eaded Fi t t i ngs, Cl asses 150 and 300

ASME B16. 33 ( 2012) Manual l y Oper at ed Met al l i c Gas Val ves f or Use i n Gas Pi pi ng Syst ems Up t o 125 psi , Si zes NPS 1/ 2 - NPS 2

ASME B16. 39 ( 2014) St andar d f or Mal l eabl e I r on Thr eaded Pi pe Uni ons; Cl asses 150, 250, and 300

ASME B16. 5 ( 2013) Pi pe Fl anges and Fl anged Fi t t i ngs:

NPS 1/ 2 Thr ough NPS 24 Met r i c/ I nch St andar d

ASME B16. 9 ( 2012) St andar d f or Fact or y- Made Wr ought St eel But t wel di ng Fi t t i ngs

ASME B18. 2. 1 ( 2012; Er r at a 2013) Squar e and Hex Bol t s and Scr ews ( I nch Ser i es)

ASME B18. 2. 2 ( 2010) Nut s f or Gener al Appl i cat i ons:

Machi ne Scr ew Nut s, Hex, Squar e, Hex Fl ange, and Coupl i ng Nut s ( I nch Ser i es)

ASME B31. 9 ( 2014) Bui l di ng Ser vi ces Pi pi ng

ASME B36. 10M ( 2015) St andar d f or Wel ded and Seaml ess Wr ought St eel Pi pe

ASME BPVC SEC I X ( 2010) BPVC Sect i on I X- Wel di ng and Br azi ng Qualifications

ASME BPVC SEC VI I I D1 ( 2010) BPVC Sect i on VI I I - Rul es f or Const r uct i on of Pr essur e Vessel s Di v i s i on 1

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ASTM I NTERNATI ONAL ( ASTM)

ASTM 01. 01 ( 2017) St eel - Pi pi ng, Tubi ng, Fi t t i ngs

ASTM A105/ A105M ( 2014) 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 A181/ A181M ( 2014) St andar d Speci f i cat i on f or Car bon St eel For gi ngs, f or Gener al - Pur pose Pi pi ng

ASTM A193/ A193M ( 2016) St andar d Speci f i cat i on f or Al l oy- St eel and St ai nl ess St eel Bol t i ng Mat er i al s f or Hi gh- Temper at ur e Ser vi ce and Ot her Speci al Pur pose Appl i cat i ons

ASTM A194/ A194M ( 2016a) St andar d Speci f i cat i on f or Car bon and Al l oy St eel Nut s f or Bol t s f or Hi gh- Pr essur e or Hi gh- Temper at ur e Ser vi ce, or Bot h

ASTM A513/ A513M ( 2015) St andar d Speci f i cat i on f or El ect r i c- Resi st ance- Wel ded Car bon and Al l oy St eel Mechani cal Tubi ng

ASTM A53/ A53M ( 2012) St andar d Speci f i cat i on f or Pi pe, St eel , Bl ack and Hot - Di pped, Zi nc- Coat ed, Wel ded and Seaml ess

ASTM A666 ( 2015) St andar d Speci f i cat i on f or Anneal ed or Col d- Wor ked Aust eni t i c St ai nl ess St eel Sheet , St r i p, Pl at e and Fl at Bar

ASTM B210 ( 2012) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Dr awn Seaml ess Tubes

ASTM B210M ( 2012) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Dr awn Seaml ess Tubes (Metric)

ASTM B241/ B241M ( 2016) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Seaml ess Pi pe and Seaml ess Ext r uded Tube

ASTM B280 ( 2016) St andar d Speci f i cat i on f or Seaml ess Copper Tube f or Ai r Condi t i oni ng and Ref r i ger at i on Fi el d Ser vi ce

ASTM B88 ( 2016) St andar d Speci f i cat i on f or Seaml ess Copper Wat er Tube

ASTM B88M ( 2016) St andar d Speci f i cat i on f or Seaml ess Copper Wat er Tube ( Met r i c)

ASTM D2513 ( 2014; E 2014) Ther mopl ast i c Gas Pr essur e Pi pe, Tubi ng, and Fi t t i ngs

ASTM D2517 ( 2006; R 2011) Rei nf or ced Epoxy Resi n Gas Pr essur e Pi pe and Fi t t i ngs

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ASTM F2015 ( 2000; R 2013) St andar d Speci f i cat i on f or Lap Joi nt Fl ange Pi pe End Appl i cat i ons

CSA GROUP ( CSA)

ANSI LC 1/ CSA 6. 26 ( 2016) Fuel Gas Pi pi ng Syst ems Usi ng Cor r ugat ed St ai nl ess St eel Tubi ng ( CSST)

CGA 3. 11- M88 ( 2015) Lever Oper at ed Pr essur e Lubr i cat ed Pl ug Type Gas Shut - Of f Val ves

CGA 3. 16- M88 ( 2015) Lever Oper at ed Non- Lubr i cat ed Gas Shut - Of f Val ves

CGA 9. 2- M88 ( 1988; R 2009) Manual l y Oper at ed Shut - Of f Val ves f or Gas Pi pi ng Syst ems

FM GLOBAL ( FM)

FM APP GUI DE ( updat ed on- l i ne) Appr oval Gui de http://www.approvalguide.com/

MANUFACTURERS STANDARDI ZATI ON SOCI ETY OF THE VALVE AND FI TTI NGS

I NDUSTRY ( MSS)

MSS SP- 25 ( 2013) St andar d Mar ki ng Syst em f or Val ves, Fi t t i ngs, Fl anges and Uni ons

MSS SP- 58 ( 1993; Reaf f i r med 2010) Pi pe Hanger s and Suppor t s - Mat er i al s, Desi gn and Manuf act ur e, Sel ect i on, Appl i cat i on, and Installation

MSS SP- 83 ( 2014) Cl ass 3000 St eel Pi pe Uni ons Socket Wel di ng and Thr eaded

MSS SP- 86 ( 2014) Gui del i nes f or Met r i c Dat a i n St andar ds f or Val ves, Fl anges, Fi t t i ngs and Act uat or s

NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)

NFPA 54 ( 2015) Nat i onal Fuel Gas Code

NFPA 58 ( 2017) Li quef i ed Pet r ol eum Gas Code

NFPA 70 ( 2017) Nat i onal El ect r i cal Code

SHEET METAL AND AI R CONDI TI ONI NG CONTRACTORS' NATI ONAL ASSOCI ATI ON

(SMACNA)

SMACNA 1981 ( 2008) Sei smi c Rest r ai nt Manual Gui del i nes f or Mechani cal Syst ems, 3r d Edi t i on

SOCI ETY FOR PROTECTI VE COATI NGS ( SSPC)

SSPC SP 6/ NACE No. 3 ( 2007) Commer ci al Bl ast Cl eani ng

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U. S. DEPARTMENT OF DEFENSE ( DOD)

MIL-STD-101 ( 2014; Rev C) Col or Code f or Pi pel i nes and f or Compr essed Gas Cyl i nder s

UFC 3- 310- 04 ( 2013) Sei smi c Desi gn f or Bui l di ngs

UNDERWRI TERS LABORATORI ES ( UL)

UL 125 ( 2014; Repr i nt Feb 2015) Saf et y Fl ow Cont r ol Val ves f or Anhydr ous Ammoni a and LP-Gas

UL 842 ( 2015) St andar d f or Val ves f or Fl ammabl e Fluids

UL 860 ( 2014) Pi pe Uni ons f or Fl ammabl e and Combust i bl e Fl ui ds and Fi r e- Pr ot ect i on Service

UL FLAMMABLE & COMBUSTI BLE ( 2012) Fl ammabl e and Combust i bl e Li qui ds and Gases Equi pment Di r ect or y

1. 3 SYSTEM DESCRI PTI ON

The gas pi pi ng syst em i ncl udes nat ur al gas and l i qui d pet r ol eum pi pi ng and appur t enances f r om poi nt of connect i on wi t h suppl y syst em, as i ndi cat ed, t o gas oper at ed equi pment wi t hi n t he f aci l i t y . Submi t oper at i on and mai nt enance dat a i n accor dance wi t h Sect i on 01 78 23 OPERATI ON AND MAI NTENANCE DATA, i n t hr ee separ at e packages.

1. 3. 1 Gas Faci l i t y Syst em and Equi pment Oper at i on

I ncl ude shop dr awi ngs showi ng pi pi ng l ayout , l ocat i ons of syst em val ves, gas l i ne mar ker s and cat hodi c pr ot ect i on syst em; st ep- by- st ep pr ocedur es f or syst em st ar t up, oper at i on and shut down ( i ndex syst em component s and equi pment t o t he syst em dr awi ngs) ; i sol at i on pr ocedur es i ncl udi ng val ve oper at i on t o shut down or i sol at e each sect i on of t he syst em ( i ndex val ves t o t he syst em maps and pr ovi de separ at e pr ocedur es f or nor mal oper at i on and emer gency shut down i f r equi r ed t o be di f f er ent ) . Submi t Dat a package No. 4.

1. 3. 2 Gas Faci l i t y Syst em Mai nt enance

I ncl ude mai nt enance pr ocedur es and f r equency f or syst em and equi pment ;

i dent i f i cat i on of pi pe mat er i al s and manuf act ur er by l ocat i ons, pi pe r epai r pr ocedur es, and j oi nt i ng pr ocedur es at t r ansi t i ons t o ot her pi pi ng mat er i al or mat er i al f r om a di f f er ent manuf act ur er . Submi t Dat a Package No.4.

1. 3. 3 Gas Faci l i t y Equi pment Mai nt enance

I ncl ude i dent i f i cat i on of val ves, shut - of f s, di sconnect s, and ot her equi pment by mat er i al s, manuf act ur er , vendor i dent i f i cat i on and l ocat i on;

mai nt enance pr ocedur es and r ecommended t ool k i t s f or val ves and equi pment ;

r ecommended r epai r met hods ( i . e. , f i el d r epai r , f act or y r epai r , or r epl acement ) f or each val ve and pi ece of equi pment ; and pr event i ve mai nt enance pr ocedur es, possi bl e f ai l ur e modes and t r oubl eshoot i ng gui de.

Submi t Dat a Package No. 3.

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1. 4 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 and 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 . Submi t t al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y Not ebook, i n conf or mance t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG. 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- 02 Shop Dr awi ngs

Gas Pi pi ng Syst em; G, SD- 03 Pr oduct Dat a

Pi pe and Fi t t i ngs; G, Gas Equi pment Connect or s; G, LPG Cont ai ner s and Accessor i es; G, Gas Pi pi ng Syst em; G, Pi pe Coat i ng Mat er i al s; G, Pr essur e Regul at or s; G, Ri ser s; G, Tr ansi t i on Fi t t i ngs; G, Val ves; G, War ni ng and I dent i f i cat i on Tape; G, SD- 06 Test Repor t s

Test i ng; G, Pr essur e Test s; G, Pr essur e Test s f or Li qui f i ed Pet r ol eum Gas; G, Test wi t h Gas; G, SD- 07 Cer t i f i cat es

Wel der s Pr ocedur es and Qual i f i cat i ons; G, Assi gned Number , Let t er , or Symbol ; G, SD- 08 Manuf act ur er ' s I nst r uct i ons

PE Pi pe and Fi t t i ngs; G, Pi pe Coat i ng Mat er i al s; G, SD- 10 Oper at i on and Mai nt enance Dat a

Gas Faci l i t y Syst em and Equi pment Oper at i on; G, Gas Faci l i t y Syst em Mai nt enance; G, Gas Faci l i t y Equi pment Mai nt enance; G,

1. 5 QUALI TY ASSURANCE

Submi t manuf act ur er ' s descr i pt i ve dat a and i nst al l at i on i nst r uct i ons f or appr oval f or compr essi on- t ype mechani cal j oi nt s used i n j oi ni ng di ssi mi l ar mat er i al s and f or i nsul at i ng j oi nt s. Mar k al l val ves, f l anges and f i t t i ngs i n accor dance wi t h MSS SP- 25.

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1. 5. 1 Wel di ng Qual i f i cat i ons

a. Wel d pi pi ng i n accor dance wi t h qual i f i ed pr ocedur es usi ng per f or mance qual i f i ed wel der s and wel di ng oper at or s i n accor dance wi t h API RP 2009, ASME BPVC SEC I X, and ASME B31. 9. Wel di ng pr ocedur es qual i f i ed by ot her s, and wel der s and wel di ng oper at or s qual i f i ed by anot her empl oyer may be accept ed as per mi t t ed by ASME B31. 9. Not i f y t he Cont r act i ng Of f i cer at l east 24 hour s i n advance of t est s, and per f or m at t he wor k s i t e i f pr act i cabl e.

b. Submi t a cer t i f i ed copy of wel der s pr ocedur es and qual i f i cat i ons met al and PE i n conf or mance wi t h ASME B31. 9 f or each wel der and wel di ng oper at or . Submi t t he assi gned number , l et t er , or symbol t hat wi l l be used i n i dent i f y i ng t he wor k of each wel der t o t he Cont r act i ng Of f i cer .

Wel d al l st r uct ur al member s i n accor dance wi t h Sect i on 05 05 23. 16 STRUCTURAL WELDI NG, and i n conf or mance wi t h AWS A5. 8/ A5. 8M, and

AWS WHB- 2. 9.

1. 5. 2 Joi nt i ng Ther mopl ast i c and Fi ber gl ass Pi pi ng

Per f or m al l j oi nt i ng of pi pi ng usi ng qual i f i ed j oi ner s and qual i f i ed pr ocedur es i n accor dance wi t h AGA XR0603. Fur ni sh t he Cont r act i ng Of f i cer wi t h a copy of qual i f i ed pr ocedur es and l i s t of and i dent i f i cat i on symbol s of qual i f i ed j oi ner s. Submi t manuf act ur er ' s i nst al l at i on i nst r uct i ons and manuf act ur er ' s v i sual j oi nt appear ance char t , i ncl udi ng al l PE pi pe and fittings.

1. 5. 3 Shop Dr awi ngs

Submi t dr awi ngs f or compl et e Gas Pi pi ng Syst em, wi t hi n 30 days of cont r act awar d, showi ng l ocat i on, s i ze and al l br anches of pi pel i ne; l ocat i on of al l r equi r ed shut of f val ves; and i nst r uct i ons necessar y f or t he i nst al l at i on of gas equi pment connect or s and suppor t s. I ncl ude LP st or age t ank, pad, and mount i ng det ai l s.

1. 6 DELI VERY, STORAGE, AND HANDLI NG

1. 6. 1 Pl ast i c Pi pe

Handl e, t r anspor t , and st or e pl ast i c pi pe and f i t t i ngs car ef ul l y. Pl ug or cap pi pe and f i t t i ngs ends dur i ng t r anspor t at i on or st or age t o mi ni mi ze di r t and moi st ur e ent r y. Do not subj ect pi pi ng t o abr asi on or concent r at ed ext er nal l oads. Di scar d PE pi pe sect i ons and f i t t i ngs t hat have been damaged.

1. 6. 2 CSST Tubi ng

Handl e, t r anspor t and st or e CSST t ubi ng on t he wooden spool or shi ppi ng cont ai ner pr ovi ded by t he manuf act ur er . I nsur e t ubi ng ends ar e capped dur i ng t r anspor t at i on and st or age t o mi ni mi ze di r t and moi st ur e ent r y.

Di scar d any t ubi ng segment and f i t t i ng t hat has been damaged.

PART 2 PRODUCTS

2. 1 MATERI ALS AND EQUI PMENT

Pr ovi de mat er i al s and equi pment whi ch ar e t he st andar d pr oduct s of a manuf act ur er r egul ar l y engaged i n t he manuf act ur e of t he pr oduct s and t hat essent i al l y dupl i cat e i t ems t hat have been i n sat i sf act or y use f or at

Apr i l 2019 Page 8 SECTI ON 23 11 25 l east 2 year s pr i or t o bi d openi ng. Asbest os or pr oduct s cont ai ni ng asbest os ar e not al l owed. Submi t cat al og dat a and i nst al l at i on i nst r uct i ons f or pi pe, val ves, al l r el at ed syst em component s, pi pe coat i ng mat er i al s and appl i cat i on pr ocedur es. Conf or m t o NFPA 54NFPA 58 and wi t h r equi r ement s speci f i ed her ei n. Pr ovi de suppl y pi pi ng t o appl i ances or equi pment at l east as l ar ge as t he i nl et s t her eof .

2. 2 GAS PI PI NG SYSTEM AND FI TTI NGS

2. 2. 1 St eel Pi pe, Joi nt s, and Fi t t i ngs

Pr ovi de st eel pi pe conf or mi ng t o ASME B36. 10M; and mal l eabl e- i r on t hr eaded f i t t i ngs conf or mi ng t o ASME B16. 1 and ASME B16. 3. Pr ovi de st eel pi pe f l anges and f l anged f i t t i ngs, i ncl udi ng bol t s, nut s, and bol t pat t er n i n accor dance wi t h ASME B16. 5 and ASTM A105/ A105M. Pr ovi de wr ought st eel but t wel di ng f i t t i ngs conf or mi ng t o ASME B16. 9. Pr ovi de socket wel di ng and t hr eaded f or ged st eel f i t t i ngs conf or mi ng t o ASME B16. 11 and ASTM A181/ A181M, Cl ass 60.

2. 2. 2 Al umi num Al l oy Pi pe and Tubi ng, Joi nt s, and Fi t t i ngs

Pr ovi de al umi num al l oy pi pe conf or mi ng t o ASTM B241/ B241M, except t hat al l oy 5456 i s not al l owed. Mar k t he ends of each l engt h of pi pe i ndi cat i ng i t conf or ms t o NFPA 54 NFPA 58. Thr ead, f l ange, br aze, or wel d pi pe j oi nt s. Pr ovi de al umi num al l oy t ubi ng conf or mi ng t o ASTM B210, Type A or B, or ASTM B241/ B241M, Type A or equi val ent , wi t h j oi nt s made up wi t h gas t ubi ng f i t t i ngs r ecommended by t he t ubi ng manuf act ur er .

2. 2. 3 Copper Tubi ng, Joi nt s and Fi t t i ngs

Pr ovi de copper t ubi ng conf or mi ng t o ASTM B88, Type K or L, or ASTM B280, wi t h t ubi ng j oi nt s made up wi t h t ubi ng f i t t i ngs r ecommended by t he t ubi ng manuf act ur er . Pr ovi de copper and copper al l oy pr ess f i t t i ngs, wi t h seal i ng el ement s of Hydr ogenat ed Ni t r i l e But adi ene Rubber ( HNBR) , f act or y i nst al l ed, or an al t er nat i ve suppl i ed by t he f i t t i ng manuf act ur er .

2. 2. 4 St eel Tubi ng, Joi nt s and Fi t t i ngs

Pr ovi de st eel t ubi ng conf or mi ng t o ASTM 01. 01, and ASTM A513/ A513M, wi t h t ubi ng j oi nt s made up wi t h gas t ubi ng f i t t i ngs r ecommended by t he t ubi ng manufacturer.

2. 2. 5 Ther mopl ast i c Pi pe, Tubi ng, Joi nt s, and Fi t t i ngs

Pr ovi de t her mopl ast i c pi pe, t ubi ng, casi ng and j oi nt s and f i t t i ngs conf or mi ng t o ASTM D2513 and API Spec 5CT.

2. 2. 6 Fi ber gl ass Pi pe, Joi nt s, and Fi t t i ngs

Pr ovi de f i ber gl ass pi pi ng syst ems conf or mi ng t o ASTM D2517 and API Spec 15LR.

2. 2. 7 Cor r ugat ed St ai nl ess St eel Tubi ng, Fi t t i ngs and Accessor i es

Pr ovi de cor r ugat ed st ai nl ess st eel t ubi ng conf or mi ng t o ANSI LC 1/ CSA 6. 26 ( aust eni t i c st ai nl ess st eel of ser i es 300) wi t h t ubi ng j oi nt s made wi t h speci al mechani cal f i t t i ngs as suppl i ed by t he t ubi ng manuf act ur er .

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2. 2. 7. 1 Tubing

Aust eni t i c st ai nl ess al l oy of ser i es 300 wi t h pol yet hyl ene j acket / coat i ng i n accor dance wi t h ANSI LC 1/ CSA 6. 26 f or s i zes 3/ 8- i nch t hr ough 2- i nch

2. 2. 7. 2 Mechani cal Fi t t i ngs

Copper al l oy wi t h one end mat ched t o t he cor r ugat ed t ubi ng and one end wi t h NPT t hr eads i n accor dance wi t h ASME B1. 20. 1

2. 2. 7. 3 St r i ker Pl at es

Har dened st eel desi gned t o pr ot ect t ubi ng f r om mechani cal damage i n accor dance wi t h ANSI LC 1/ CSA 6. 26

2. 2. 7. 4 Manifolds

Mal l eabl e i r on, st eel or copper al l oy wi t h t hr eaded connect i ons/ por t s i n accor dance wi t h ASME B1. 20. 1

2. 2. 8 Seal ant s f or St eel Pi pe Thr eaded Joi nt s

Pr ovi de j oi nt seal i ng compound as l i s t ed i n UL FLAMMABLE & COMBUSTI BLE, Cl ass 20 or l ess. For t api ng, use t et r af l uor oet hyl ene t ape conf or mi ng t o

UL FLAMMABLE & COMBUSTI BLE.

2. 2. 9 War ni ng and I dent i f i cat i on

Pr ovi de pi pe f l ow mar ki ngs, war ni ng and i dent i f i cat i on t ape, and met al t ags as r equi r ed.

2. 2. 10 Fl ange Gasket s

Pr ovi de gasket s of nonasbest os compr essed mat er i al i n accor dance wi t h ASME B16. 21, 1/ 16 i nch t hi ckness, f ul l f ace or sel f - cent er i ng f l at r i ng t ype, cont ai ni ng ar ami d f i ber s bonded wi t h st yr ene but adi ene r ubber ( SBR) or ni t r i l e but adi ene r ubber ( NBR) sui t abl e f or a maxi mum 600 degr ee F ser vi ce, t o be used f or hydr ocar bon ser vi ce.

2. 2. 11 Pi pe Thr eads

Pr ovi de pi pe t hr eads conf or mi ng t o ASME B1. 20. 1.

2. 2. 12 Escutcheons

Pr ovi de chr omi um- pl at ed st eel or chr omi um- pl at ed br ass escut cheons, ei t her one pi ece or spl i t pat t er n, hel d i n pl ace by i nt er nal spr i ng t ensi on or set scr ew.

2. 2. 13 Gas Tr ansi t i on Fi t t i ngs

2. 2. 14 I nsul at i ng Pi pe Joi nt s

2. 2. 14. 1 I nsul at i ng Joi nt Mat er i al

Pr ovi de i nsul at i ng j oi nt mat er i al bet ween f l anged or t hr eaded met al l i c pi pe syst ems wher e shown t o cont r ol gal vani c or el ect r i cal act i on.

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2. 2. 14. 2 Thr eaded Pi pe Joi nt s

Pr ovi de t hr eaded pi pe j oi nt s of st eel body nut t ype di el ect r i c uni ons wi t h i nsul at i ng gasket s.

2. 2. 14. 3 Fl anged Pi pe Joi nt s

Pr ovi de j oi nt s f or f l anged pi pe consi st i ng of f ul l f ace sandwi ch- t ype f l ange i nsul at i ng gasket of t he di el ect r i c t ype, i nsul at i ng s l eeves f or f l ange bol t s, and i nsul at i ng washer s f or f l ange nut s.

2. 2. 15 Fl exi bl e Connect or s

a. Pr ovi de f l exi bl e connect or s f or connect i ng gas ut i l i zat i on equi pment t o bui l di ng gas pi pi ng conf or mi ng t o ANSI Z21. 24/ CSA 6. 10 or ANSI Z21. 41/ CSA 6. 9 f or qui ck di sconnect devi ces, and f l exi bl e connect or s f or movabl e f ood ser vi ce equi pment conf or mi ng t o

ANSI Z21. 69/ CSA 6. 16.

b. Do not i nst al l t he f l exi bl e connect or t hr ough t he appl i ance cabi net f ace. Pr ovi de r i gi d met al l i c pi pe and f i t t i ngs t o ext end t he f i nal connect i on beyond t he cabi net , except when appl i ance i s pr ovi ded wi t h an ext er nal connect i on poi nt .

2. 3 VALVES

Pr ovi de shut of f or ser vi ce i sol at i on val ves conf or mi ng t o t he f ol l owi ng:

2. 3. 1 Val ves 2 I nches and Smal l er

Pr ovi de val ves 2 i nches and smal l er conf or mi ng t o ASME B16. 33 of mat er i al s and manuf act ur e compat i bl e wi t h syst em mat er i al s used.

2. 4 RISERS

Pr ovi de manuf act ur er ' s st andar d r i ser , t r ansi t i on f r om pl ast i c t o st eel pi pe wi t h 7 t o 12 mi l t hi ck epoxy coat i ng. Use swaged gas- t i ght const r uct i on wi t h O- r i ng seal s, met al i nser t , and pr ot ect i ve s l eeve.

Pr ovi de wal l - mount ed r i ser suppor t s .

2. 5 PI PE HANGERS AND SUPPORTS

Pr ovi de pi pe hanger s and suppor t s conf or mi ng t o MSS SP- 58.

2. 6 SEI SMI C PROVI SI ONS

Pr ovi de ear t hquake aut omat i c gas shut of f val ve conf or mi ng t o ASCE 25- 16, SMACNA 1981 or excess f l ow val ve ( EFV) conf or mi ng wi t h CSA US 3- 92 I AS U. S. Requi r ement s 3- 92 f or Excess Fl ow Val ves and UL l i s t ed or AGA l i st ed or I nt er nat i onal Associ at i on of Pl umbi ng and Mechani cal Of f i c i al s ( I APMO) l i s t ed. The ear t hquake val ve may be ei t her pendul um or bal l const r uct i on wi t h r emot e el ect r oni c or el ect r i c act uat or . The EFV may be ei t her a bypass ( aut omat i c r eset ) or a non- bypass t ype ( manual r eset ) .

2. 7 AUTOMATI C GAS SHUT- OFF

Pr ovi de l ow pr essur e aut omat i c gas shut of f or excess f l ow val ve ( EFV) downst r eam of t he poi nt of del i ver y af t er t he met er / r egul at or conf or mi ng

Apr i l 2019 Page 11 SECTI ON 23 11 25 t o CSA US 3- 92 I AS U. S. Requi r ement s 3- 92 f or Excess Fl ow Val ves and UL l i s t ed or CSA l i st ed or I nt er nat i onal Associ at i on of Pl umbi ng and Mechani cal Of f i c i al s ( I APMO) l i s t ed. The EFV may be ei t her a bypass ( aut omat i c r eset ) or a non- bypass t ype ( manual r eset ) . Pr ovi de l ow pr essur e aut omat i c gas shut of f or excess f l ow val ve ( EFV) at each br anch t o an appliance.

2. 8 LI QUI FI ED PETROLEUM GAS - ( LPG) , LPG CONTAI NERS AND ACCESSORI ES

Provide NFPA 58, ASME compl i ant cont ai ner s wi t h appur t enances, syst em wor ki ng pr essur e, mi ni mum desi gn pr essur e, t hat i s LPG vapor pr essur e at 100 degr ees F, and wat er capaci t y as i ndi cat ed. Pr ovi de cont ai ner s wi t h pi pi ng and f i t t i ngs, hose and f l exi bl e hose connect or s, and mar ki ng conf or mi ng t o NFPA 58, and API MPMS 2. 2A f or upr i ght cyl i ndr i cal t anks API MPMS 2. 2E f or hor i zont al cyl i ndr i cal t anks Pr ovi de val ves conf or mi ng to UL 125 and UL 842. Pr ovi de pi pe uni ons conf or mi ng t o UL 860.

2. 9 BOLTI NG ( BOLTS AND NUTS)

St ai nl ess st eel bol t i ng; ASTM A193/ A193M, Gr ade B8M or B8MA, Type 316, f or bol t s; and ASTM A194/ A194M, Gr ade 8M, Type 316, f or nut s. Di mensi ons of bol t s, st uds, and nut s shal l conf or m wi t h ASME B18. 2. 1 and ASME B18. 2. 2 wi t h coar se t hr eads conf or mi ng t o ASME B1. 1, wi t h Cl ass 2A f i t f or bol t s and st uds and Cl ass 2B f i t f or nut s. Bol t s or bol t - st uds shal l ext end t hr ough t he nut s and may have r educed shanks of a di amet er not l ess t han t he di amet er at r oot of t hr eads. Bol t s shal l have Amer i can St andar d r egul ar squar e or heavy hexagon heads; nut s shal l be Amer i can St andar d heavy semi f i ni shed hexagonal .

2. 10 GASKETS

Fl uor i nat ed el ast omer , compat i bl e wi t h f l ange f aces.

2. 11 I DENTI FI CATI ON FOR ABOVEGROUND PI PI NG

MIL-STD-101 f or l egends and t ype and si ze of char act er s. For pi pes 3/ 4 i nch od and l ar ger , pr ovi de pr i nt ed l egends t o i dent i f y cont ent s of pi pes and ar r ows t o show di r ect i on of f l ow. Col or code l abel backgr ounds t o s i gni f y l evel s of hazar d. Make l abel s of pl ast i c sheet wi t h pr essur e- sensi t i ve adhesi ve sui t abl e f or t he i nt ended appl i cat i on. For pi pes smal l er t han 3/ 4 i nch od, pr ovi de br ass i dent i f i cat i on t ags 1 1/ 2 i nches i n di amet er wi t h l egends i n depr essed bl ack- f i l l ed char act er s.

PART 3 EXECUTI ON

3. 1 EXAMINATION

Af t er becomi ng f ami l i ar wi t h al l det ai l s of t he wor k, ver i f y al l di mensi ons i n t he f i el d, and advi se t he Cont r act i ng Of f i cer of any di scr epancy or ar eas of conf l i c t bef or e per f or mi ng t he wor k.

3. 2 EXCAVATI ON AND BACKFI LLI NG

Pr ovi de r equi r ed excavat i on, backf i l l i ng, and compact i on as speci f i ed i n Sect i on 31 00 00 EARTHWORK.

3. 3 GAS PI PI NG SYSTEM

Pr ovi de a gas pi pi ng syst em f r om t he poi nt of del i ver y, def i ned as t he

Apr i l 2019 Page 12 SECTI ON 23 11 25 out l et of t he met er set assembl y , as speci f i ed i n Sect i on 33 51 15 NATURAL- GAS / LI QUI D PETROLEUM GAS DI STRI BUTI ON, t o t he connect i ons t o each gas ut i l i zat i on devi ce.

3. 3. 1 Pr ot ect i on and Cl eani ng of Mat er i al s and Component s

Pr ot ect equi pment , pi pe, and t ube openi ngs by c l osi ng wi t h caps or pl ugs dur i ng i nst al l at i on. At t he compl et i on of al l wor k, t hor oughl y c l ean t he ent i r e syst em.

3. 3. 2 Wor kmanshi p and Def ect s

Pi pi ng, t ubi ng and f i t t i ngs shal l be c l ear and f r ee of cut t i ng bur r s and def ect s i n st r uct ur e or t hr eadi ng and shal l be t hor oughl y br ushed and chi p- and scal e- bl own. Repai r of def ect s i n pi pi ng, t ubi ng or f i t t i ngs i s not al l owed; r epl ace def ect i ve i t ems when f ound.

3. 4 PROTECTI VE COVERI NG

3. 4. 1 Under gr ound Met al l i c Pi pe

Pr ot ect bur i ed met al l i c pi pi ng and t ubi ng f r om cor r osi on by ei t her : ( 1) appl y i ng pr ot ect i ve coat i ngs as speci f i ed i n Sect i on 33 51 15 NATURAL- GAS / LI QUI D PETROLEUM GAS DI STRI BUTI ON; ( 2) encasement i n a wat er t i ght pl ast i c condui t ; or ( 3) encasement i n a pr ot ect i ve syst em desi gned and l i s t ed by t he manuf act ur er f or t hi s appl i cat i on. When di ssi mi l ar met al s ar e j oi ned under gr ound, use gast i ght i nsul at i ng f i t t i ngs.

3. 4. 2 Abovegr ound Met al l i c Pi pi ng Syst ems

3. 4. 2. 1 Fer r ous Sur f aces

Touch up shop pr i med sur f aces wi t h f er r ous met al pr i mer . Sol vent c l ean sur f aces t hat have not been shop pr i med . Mechani cal l y c l ean sur f aces t hat cont ai n l oose r ust , l oose mi l l scal e and ot her f or ei gn subst ances by power wi r e br ushi ng or commer ci al sand bl ast ed conf or mi ng t o SSPC SP 6/ NACE No. 3 and pr i me wi t h f er r ous met al pr i mer . Fi ni sh pr i med sur f aces wi t h t wo coat s of ext er i or oi l pai nt .

3. 4. 2. 2 Nonf er r ous Sur f aces

Except f or al umi num al l oy pi pe, do not pai nt nonf er r ous sur f aces. Pai nt sur f aces of al umi num al l oy pi pe and f i t t i ngs t o pr ot ect agai nst ext er nal cor r osi on wher e t hey cont act masonr y, pl ast er , i nsul at i on, or ar e subj ect t o r epeat ed wet t i ngs by such l i qui ds as wat er , det er gent s or sewage.

Sol vent - c l ean t he sur f aces and t r eat wi t h v i nyl t ype wash coat . Appl y a f i r st coat of al umi num pai nt and a second coat of al kyd gl oss enamel or s i l i cone al kyd copol ymer enamel .

3. 5 INSTALLATION

I nst al l t he gas syst em i n conf or mance wi t h t he manuf act ur er ' s r ecommendat i ons and appl i cabl e pr ovi s i ons of NFPA 54NFPA 58 and AGA XR0603, and as i ndi cat ed. Per f or m al l pi pe cut t i ng wi t hout damage t o t he pi pe, wi t h an appr oved t ype of mechani cal cut t er , unl ess ot her wi se aut hor i zed.

Use wheel cut t er s wher e pr act i cabl e. On st eel pi pe 6 i nches and l ar ger , an appr oved gas cut t i ng and bevel i ng machi ne may be used. Cut t her mopl ast i c and f i ber gl ass pi pe i n accor dance wi t h AGA XR0603.

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3. 5. 1 Met al l i c Pi pi ng I nst al l at i on

Bur y under gr ound pi pi ng a mi ni mum of 18 i nches bel ow gr ade. Make changes i n di r ect i on of pi pi ng wi t h f i t t i ngs onl y; mi t er i ng or not chi ng pi pe t o f or m el bows and t ees or ot her s i mi l ar t ype const r uct i on i s not per mi t t ed.

Br anch connect i on may be made wi t h ei t her t ees or f or ged br anch out l et f i t t i ngs. Pr ovi de br anch out l et f i t t i ngs whi ch ar e f or ged, f l ar ed f or i mpr ovement of f l ow wher e at t ached t o t he r un, and r ei nf or ced agai nst ext er nal st r ai ns. Do not use al umi num al l oy pi pe i n ext er i or l ocat i ons or underground.

3. 5. 2 Met al l i c Tubi ng I nst al l at i on

I nst al l met al l i c t ubi ng usi ng gas t ubi ng f i t t i ngs appr oved by t he t ubi ng manuf act ur er . CSST gas pi pi ng syst ems shal l be i nst al l ed by cont r act or s who have compl et ed t he manuf act ur er ' s t r ai ni ng pr ogr am as i ndi cat ed on a cer t i f i cat i on car d. Make br anch connect i ons wi t h t ees. Pr epar e al l t ubi ng ends wi t h t ool s desi gned f or t hat pur pose. Do not use al umi num al l oy t ubi ng i n ext er i or l ocat i ons or under gr ound.

3. 5. 3 Ther mopl ast i c and Fi ber gl ass Pi pi ng, Tubi ng, and Fi t t i ngs

I nst al l at i on of t her mopl ast i c and f i ber gl ass pi pi ng, t ubi ng, and f i t t i ngs i s per mi t t ed onl y out si de and under gr ound. Bur y pi pi ng a mi ni mum of 18 i nches bel ow gr ade. I nst al l t he pi pi ng t o avoi d excessi ve st r esses due t o t her mal cont r act i on, and use onl y wher e i ndi cat ed.

3. 5. 4 Connect i ons Bet ween Met al l i c and Pl ast i c Pi pi ng

Connect i ons bet ween met al l i c and pl ast i c pi pi ng ar e onl y al l owed out si de, under gr ound, and wi t h appr oved t r ansi t i on f i t t i ngs.

3. 5. 5 Pi pi ng and Tubi ng Bur i ed Under Bui l di ngs

Run under gr ound pi pi ng and t ubi ng i nst al l ed beneat h bui l di ngs i n a st eel pi pe casi ng pr ot ect ed f r om cor r osi on wi t h pr ot ect i ve coat i ngs as speci f i ed i n Sect i on 33 51 15 NATURAL- GAS / LI QUI D PETROLEUM GAS DI STRI BUTI ON or i nst al l ed wi t hi n a wat er t i ght pl ast i c condui t or as par t of a l i s t ed encasement syst em. Ext end casi ng or encasement syst em at l east 4 i nches out si de t he bui l di ng, and pr ovi de t he pi pe wi t h spacer s and end bushi ngs t o seal at bot h ends t o pr event t he ent r ance of wat er and/ or t he escape of gas. Ext end a vent l i ne f r om t he annul ar space above gr ade out si de t o a poi nt wher e gas wi l l not be a hazar d, and t er mi nat e i n a r ai n/ i nsect - r esi st ant f i t t i ng.

3. 5. 6 Conceal ed Pi pi ng i n Bui l di ngs

Do not use combi nat i ons of f i t t i ngs ( uni ons, t ubi ng f i t t i ngs, r unni ng t hr eads, r i ght - and l ef t - hand coupl i ngs, bushi ngs, and swi ng j oi nt s) t o conceal pi pi ng wi t hi n bui l di ngs.

3. 5. 6. 1 Pi pi ng and Tubi ng i n Par t i t i ons

Locat e conceal ed pi pi ng and t ubi ng i n hol l ow, r at her t han sol i d, par t i t i ons. Pr ot ect t ubi ng passi ng t hr ough wal l s or par t i t i ons agai nst physi cal damage bot h dur i ng and af t er const r uct i on, and pr ovi de appr opr i at e saf et y mar ki ngs and l abel s. Pr ovi de pr ot ect i on of conceal ed pi pe and t ubi ng i n accor dance wi t h ANSI LC 1/ CSA 6. 26.

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3. 5. 6. 2 Pi pi ng i n Fl oor s

Lay pi pi ng i n sol i d f l oor s except wher e embedment i n concr et e i s i ndi cat ed i n channel s sui t abl y cover ed t o per mi t access t o t he pi pi ng wi t h mi ni mum damage t o t he bui l di ng. Sur r ound pi pi ng embedded i n concr et e by a mi ni mum of 1- 1/ 2 i nches of concr et e and do not al l ow physi cal cont act wi t h ot her met al l i c i t ems such as r ei nf or ci ng r ods or el ect r i cal l y neut r al conduct or s. Do not embed pi pi ng i n concr et e s l abs cont ai ni ng qui ckset addi t i ves or c i nder aggr egat e.

3. 5. 7 Abovegr ound Pi pi ng

Run abovegr ound pi pi ng as st r ai ght as pr act i cabl e al ong t he al i gnment and el evat i on i ndi cat ed, wi t h a mi ni mum of j oi nt s, and separ at el y suppor t ed f r om ot her pi pi ng syst em and equi pment . I nst al l exposed hor i zont al pi pi ng no f ar t her t han 6 i nches f r om near est par al l el wal l and at an el evat i on whi ch pr event s st andi ng, s i t t i ng, or pl acement of obj ect s on t he pi pi ng.

3. 5. 8 Fi nal Gas Connect i ons

Unl ess ot her wi se speci f i ed, make f i nal connect i ons wi t h r i gi d met al l i c pi pe and f i t t i ngs. Make f i nal connect i ons t o k i t chen r anges usi ng f l exi bl e connect or s not l ess t han 40 i nch l ong, t o af f or d access t o coupl i ng and t o per mi t movement of equi pment f or c l eani ng. Fl exi bl e connect or s may be used f or f i nal connect i ons t o r esi dent i al dr yer s.

Fl exi bl e connect or s may be used f or f i nal connect i ons t o gas ut i l i zat i on equi pment . I n addi t i on t o caut i ons l i s t ed i n i nst r uct i ons r equi r ed by ANSI st andar ds f or f l exi bl e connect or s, i nsur e t hat f l exi bl e connect or s do not pass t hr ough equi pment cabi net . Pr ovi de accessi bl e gas shut of f val ve and coupl i ng f or each gas equi pment i t em.

3. 5. 9 Sei smi c Requi r ement s

Suppor t and br ace pi pi ng and at t ached val ves t o r esi st sei smi c l oads i n conf or mance wi t h ASCE 25- 16 and as speci f i ed i n UFC 3- 310- 04, and Sect i ons 13 48 00 SEI SMI C PROTECTI ON FOR MI SCELLANEOUS EQUI PMENT and 13 48 00. 00 10 SEI SMI C PROTECTI ON FOR MECHANI CAL EQUI PMENTas i ndi cat ed. CSST t ubi ng and f i t t i ngs t hat ar e sei smi cal l y qual i f i ed i n accor dance wi t h t he FM APP GUI DE:

Fl exi bl e Pi pi ng Syst ems f or Fl ammabl e Gases shal l meet t he sei smi c r equi r ement s i n accor dance wi t h t he manuf act ur er ' s i nst al l at i on instructions.

3. 6 PI PE JOI NTS

Desi gn and i nst al l pi pe j oi nt s t o ef f ect i vel y sust ai n t he l ongi t udi nal pul l - out f or ces caused by cont r act i on of t he pi pi ng or super i mposed l oads.

3. 6. 1 Thr eaded Met al l i c Joi nt s

Pr ovi de t hr eaded j oi nt s i n met al l i c pi pe wi t h t aper ed t hr eads evenl y cut and made wi t h UL appr oved gr aphi t e j oi nt seal i ng compound f or gas ser vi ce or t et r af l uor oet hyl ene t ape appl i ed t o t he mal e t hr eads onl y. Thr eaded j oi nt s up t o 1- 1/ 2 i nches i n di amet er may be made wi t h appr oved t et r af l uor oet hyl ene t ape. Thr eaded j oi nt s up t o 2 i nches i n di amet er may be made wi t h appr oved j oi nt seal i ng compound. Af t er cut t i ng and bef or e t hr eadi ng, r eam pi pe and r emove al l bur r s. Caul k i ng of t hr eaded j oi nt s t o st op or pr event l eaks i s not per mi t t ed.

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3. 6. 2 Wel ded Met al l i c Joi nt s

Conf or m bevel i ng, al i gnment , heat t r eat ment , and i nspect i on of wel ds t o NFPA 54. Remove wel d def ect s and make r epai r s t o t he wel d, or r emove t he wel d j oi nt s ent i r el y and r ewel d. Af t er f i l l er met al has been r emoved f r om i t s or i gi nal package, pr ot ect and st or e so t hat i t s char act er i st i cs or wel di ng pr oper t i es ar e not af f ect ed adver sel y. Do not use el ect r odes t hat have been wet t ed or have l ost any of t hei r coat i ng.

3. 6. 3 Ther mopl ast i c and Fi ber gl ass Joi nt s

3. 6. 3. 1 Ther mopl ast i c and Fi ber gl ass

Conf or m j oi nt i ng pr ocedur es t o AGA XR0603. Do not make j oi nt s wi t h sol vent cement or heat of f usi on bet ween di f f er ent k i nds of pl ast i cs.

3. 6. 3. 2 PE Fusi on Wel di ng I nspect i on

Vi sual l y i nspect but t j oi nt s by compar i ng wi t h, manuf act ur er ' s v i sual j oi nt appear ance char t . I nspect f usi on j oi nt s f or pr oper f used connect i on. Repl ace def ect i ve j oi nt s by cut t i ng out def ect i ve j oi nt s or r epl aci ng f i t t i ngs. I nspect , i n conf or mance wi t h API 570, 100 per cent of al l j oi nt s and r e- i nspect al l cor r ect i ons. Ar r ange wi t h t he pi pe manuf act ur er ' s r epr esent at i ve i n t he pr esence of t he Cont r act i ng Of f i cer t o make f i r st t i me i nspect i on.

3. 6. 4 Fl ar ed Met al l i c Tubi ng Joi nt s

Make f l ar ed j oi nt s i n met al l i c t ubi ng wi t h speci al t ool s r ecommended by t he t ubi ng manuf act ur er . Use f l ar ed j oi nt s onl y i n syst ems const r uct ed f r om nonf er r ous pi pe and t ubi ng, when exper i ence or t est s have demonst r at ed t hat t he j oi nt i s sui t abl e f or t he condi t i ons, and when adequat e pr ovi s i ons ar e made i n t he desi gn t o pr event separ at i on of t he j oi nt s. Do not use met al l i c bal l s l eeve compr essi on- t ype t ubi ng f i t t i ngs f or t ubi ng j oi nt s.

3. 6. 5 Sol der or Br azed Joi nt s

Make al l j oi nt s i n met al l i c t ubi ng and f i t t i ngs wi t h mat er i al s and pr ocedur es r ecommended by t he t ubi ng suppl i er . Br aze j oi nt s wi t h mat er i al havi ng a mel t i ng poi nt above 1000 degr ees F, cont ai ni ng no phosphor ous.

3. 6. 6 Joi ni ng Ther mopl ast i c or Fi ber gl ass t o Met al l i c Pi pi ng or Tubi ng

When compr essi on t ype mechani cal j oi nt s ar e used, pr ovi de gasket mat er i al i n t he f i t t i ngs compat i bl e wi t h t he pl ast i c pi pi ng and wi t h t he gas i n t he syst em. Use an i nt er nal t ubul ar r i gi d st i f f ener i n conj unct i on wi t h t he f i t t i ng, f l ush wi t h end of t he pi pe or t ubi ng, ext endi ng at l east t o t he out si de end of t he compr essi on f i t t i ng when i nst al l ed. Remove al l r ough or shar p edges f r om st i f f ener . Do not f or ce f i t st i f f ener i n t he pl ast i c. Spl i t t ubul ar st i f f ener s ar e not al l owed.

3. 6. 7 Pr ess Connect i ons

Make pr ess connect i ons i n accor dance wi t h manuf act ur er ' s i nst al l at i on i nst r uct i ons usi ng t ool s appr oved by t he manuf act ur er . Ful l y i nser t t he t ubi ng i nt o t he f i t t i ng and t hen mar k at t he shoul der of t he f i t t i ng.

Check t he f i t t i ng al i gnment agai nst t he mar k on t he t ubi ng t o assur e t he t ubi ng i s f ul l y i nser t ed bef or e t he j oi nt i s pr essed.

Apr i l 2019 Page 16 SECTI ON 23 11 25

3. 7 PI PE SLEEVES

Pr ovi de pi pes passi ng t hr ough concr et e or masonr y wal l s or concr et e f l oor s or r oof s wi t h pi pe sl eeves f i t t ed i nt o pl ace at t he t i me of const r uct i on.

Do not i nst al l s l eeves i n st r uct ur al member s except wher e i ndi cat ed or appr oved. Make al l r ect angul ar and squar e openi ngs as det ai l ed. Ext end each sl eeve t hr ough i t s r espect i ve wal l , f l oor or r oof , and cut f l ush wi t h each sur f ace, except i n mechani cal r oom f l oor s not l ocat ed on gr ade wher e cl ampi ng f l anges or r i ser pi pe cl amps ar e used. Ext end sl eeves i n mechani cal r oom f l oor s above gr ade at l east 4 i nches above f i ni sh f l oor .

Unl ess ot her wi se i ndi cat ed, use sl eeves l ar ge enough t o pr ovi de a mi ni mum cl ear ance of 1/ 4 i nch al l ar ound t he pi pe. Pr ovi de st eel pi pe f or s l eeves i n bear i ng wal l s, wat er pr oof i ng membr ane f l oor s, and wet ar eas . Pr ovi de sl eeves i n nonbear i ng wal l s, f l oor s, or cei l i ngs of st eel pi pe, gal vani zed sheet met al wi t h l ock- t ype l ongi t udi nal seam, or moi st ur e- r esi st ant f i ber or pl ast i c. For penet r at i ons of f i r e wal l s, f i r e par t i t i ons and f l oor s whi ch ar e not on gr ade, seal t he annul ar space bet ween t he pi pe and sl eeve wi t h f i r e- st oppi ng mat er i al and seal ant t hat meet t he r equi r ement of Sect i on 07 84 00 FI RESTOPPI NGG.

3. 8 PI PES PENETRATI NG WATERPROOFI NG MEMBRANES

I nst al l pi pes penet r at i ng wat er pr oof i ng membr anes as speci f i ed i n Sect i on

22 00 00 PLUMBI NG, GENERAL PURPOSE.

3. 9 FI RE SEAL

Fi r e seal al l penet r at i ons of f i r e r at ed par t i t i ons, wal l s and f l oor s i n accor dance wi t h Sect i on 07 84 00 FI RESTOPPI NG.

3. 10 ESCUTCHEONS

Pr ovi de escut cheons f or al l f i ni shed sur f aces wher e gas pi pi ng passes t hr ough f l oor s, wal l s, or cei l i ngs except i n boi l er , ut i l i t y , or equi pment rooms.

3. 11 SPECI AL REQUI REMENTS

Pr ovi de dr i ps, gr adi ng of t he l i nes, f r eeze pr ot ect i on, and br anch out l et l ocat i ons as shown and conf or mi ng t o t he r equi r ement s of NFPA 54NFPA 58.

3. 12 BUI LDI NG STRUCTURE

Do not weaken any bui l di ng st r uct ur e by t he i nst al l at i on of any gas pi pi ng. Do not cut or not ch beams, j oi st s or col umns. At t ach pi pi ng suppor t s t o met al decki ng. Do not at t ach suppor t s t o t he under si de of concr et e f i l l ed f l oor s or concr et e r oof decks unl ess appr oved by t he Cont r act i ng Of f i cer .

3. 13 PI PI NG SYSTEM SUPPORTS

Suppor t gas pi pi ng syst ems i n bui l di ngs wi t h pi pe hooks, met al pi pe st r aps, bands or hanger s sui t abl e f or t he s i ze of pi pi ng or t ubi ng. Do not suppor t any gas pi pi ng syst em by ot her pi pi ng. Conf or m spaci ng of suppor t s i n gas pi pi ng and t ubi ng i nst al l at i ons t o t he r equi r ement s of NFPA 54NFPA 58. Conf or m t he sel ect i on and appl i cat i on of suppor t s i n gas pi pi ng and t ubi ng i nst al l at i ons t o t he r equi r ement s of MSS SP- 58. I n t he suppor t of mul t i pl e pi pe r uns on a common base member , use a c l i p or c l amp

Apr i l 2019 Page 17 SECTI ON 23 11 25 wher e each pi pe cr osses t he base suppor t member . Spaci ng of t he base suppor t member s i s not t o exceed t he hanger and suppor t spaci ng r equi r ed f or any of t he i ndi v i dual pi pes i n t he mul t i pl e pi pe r un. Ri gi dl y connect t he c l i ps or c l amps t o t he common base member . Pr ovi de a c l ear ance of 1/ 8 i nch bet ween t he pi pe and cl i p or c l amp f or al l pi pi ng whi ch may be subj ect ed t o t her mal expansi on.

3. 14 ELECTRI CAL BONDI NG AND GROUNDI NG

Pr ovi de a gas pi pi ng syst em wi t hi n t he bui l di ng whi ch i s el ect r i cal l y cont i nuous and bonded t o a gr oundi ng el ect r ode as r equi r ed by NFPA 70.

3. 15 SHUTOFF VALVE

I nst al l t he mai n gas shut of f val ve cont r ol l i ng t he gas pi pi ng syst em t o be easi l y accessi bl e f or oper at i on, as i ndi cat ed, pr ot ect ed f r om physi cal damage, and mar ked wi t h a met al t ag t o c l ear l y i dent i f y t he pi pi ng syst em cont r ol l ed. I nst al l val ves appr oxi mat el y at l ocat i ons i ndi cat ed. Or i ent st ems ver t i cal l y, wi t h oper at or s on t op, or hor i zont al l y. Pr ovi de PE pi pi ng manuf act ur er br acket suppor t assembl y secur el y f ast ened t o st r uct ur e f or val ve connect i ons t o r esi st oper at i ng t or que appl i ed t o PE pi pes. Pr ovi de st op val ve on ser vi ce br anch at connect i on t o mai n and shut - of f val ve on r i ser out si de of bui l di ng.

3. 16 PRESSURE REGULATOR

Pr ovi de bal l val ve ahead of r egul at or . I nst al l r egul at or out si de of bui l di ng and 18 i nches abovegr ound on r i ser . I nst al l r egul at or i nsi de bui l di ng and ext end a f ul l - s i ze vent l i ne f r om r el i ef out l et on r egul at or t o a poi nt out s i de of bui l di ng. I nst al l gas met er i n conj unct i on wi t h pr essur e r egul at or . On out l et s i de of met er , pr ovi de a uni on and a 3/ 8 i nch gage t ap wi t h pl ug.

3. 17 CATHODI C PROTECTI ON

Pr ovi de cat hodi c pr ot ect i on f or under gr ound f er r ous gas pi pi ng as speci f i ed i n Sect i on 26 42 14. 00 10 CATHODI C PROTECTI ON SYSTEM

( SACRI FI CI AL ANODE) .

3. 18 TESTING

Submi t t est pr ocedur es and r epor t s i n bookl et f or m t abul at i ng t est and measur ement s per f or med; dat ed af t er awar d of t hi s cont r act , and st at i ng t he Cont r act or ' s name and addr ess, t he pr oj ect name and l ocat i on, and a l i s t of t he speci f i c r equi r ement s whi ch ar e bei ng cer t i f i ed. Test ent i r e gas pi pi ng syst em t o ensur e t hat i t i s gast i ght pr i or t o put t i ng i nt o ser vi ce. Pr i or t o t est i ng, pur ge t he syst em, c l ean, and cl ear al l f or ei gn mat er i al . Test each j oi nt wi t h an appr oved gas det ect or , soap and wat er , or an equi val ent nonf l ammabl e sol ut i on. I nspect and t est each val ve i n conf or mance wi t h API St d 598 and API St d 607. Compl et e t est i ng bef or e any wor k i s cover ed, encl osed, or conceal ed, and per f or m wi t h due r egar d f or t he saf et y of empl oyees and t he publ i c dur i ng t he t est . I nst al l bul kheads, anchor age and br aci ng sui t abl y desi gned t o r esi st t est pr essur es i f necessar y, and as di r ect ed and or appr oved by t he Cont r act i ng Of f i cer . Do not use oxygen as a t est i ng medi um.

3. 18. 1 Pr essur e Test s

Submi t t est pr ocedur es and r epor t s i n bookl et f or m t abul at i ng t est and

Apr i l 2019 Page 18 SECTI ON 23 11 25 measur ement s per f or med; dat ed af t er awar d of t hi s cont r act , and st at i ng t he Cont r act or ' s name and addr ess, t he pr oj ect name and l ocat i on, and a l i s t of t he speci f i c r equi r ement s whi ch ar e bei ng cer t i f i ed. Bef or e appl i ances ar e connect ed, t est by f i l l i ng t he pi pi ng syst ems wi t h ai r or an i ner t gas t o wi t hst and a mi ni mum pr essur e of 3 pounds gauge f or a per i od of not l ess t han 10 mi nut es as speci f i ed i n NFPA 54as speci f i ed i n NFPA 58 wi t hout showi ng any dr op i n pr essur e. Do not use Oxygen f or t est . Measur e pr essur e wi t h a mer cur y manomet er , s l ope gauge, or an equi val ent devi ce cal i br at ed t o be r ead i n i ncr ement s of not gr eat er t han

0. 1 pound. I sol at e t he sour ce of pr essur e bef or e t he pr essur e t est s ar e made.

3. 18. 2 Pr essur e Test s f or Li qui f i ed Pet r ol eum Gas

Pr essur e t est syst em as descr i bed above. When appl i ances ar e connect ed t o t he pi pi ng syst em, use f uel gas f or t est i ng appl i ances t o wi t hst and a pr essur e of not l ess t han 10. 0 i nches nor mor e t han 14. 0 i nches wat er col umn ( 0. 36 nor mor e t han 0. 51 pounds per squar e i nch) f or a per i od of not l ess t han 10 mi nut es wi t hout showi ng any dr op i n pr essur e. Measur e pr essur e wi t h a wat er manomet er or an equi val ent devi ce cal i br at ed t o be r ead i n i ncr ement s of not gr eat er t han 0.