21_13_17.00_10.pdf

WVA Multiple Building Fire Protection 2162942

SECTION 21 13 17.00 10

DRY PIPE SPRINKLER SYSTEM, FIRE PROTECTION

05/09

PART 1 GENERAL

1.1 REFERENCES

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.

ASME INTERNATIONAL (ASME)

ASME B16.1 (2015) Gray Iron Pipe Flanges and Flanged Fittings Classes 25, 125, and 250

ASME B16.11 (2011) Forged Fittings, Socket-Welding and Threaded

ASME B16.21 (2011) Nonmetallic Flat Gaskets for Pipe Flanges

ASME B16.3 (2011) Malleable Iron Threaded Fittings, Classes 150 and 300

ASME B16.4 (2011) Standard for Gray Iron Threaded Fittings; Classes 125 and 250

ASME B16.9 (2012) Standard for Factory-Made Wrought Steel Buttwelding Fittings

ASME B18.2.2 (2010) Nuts for General Applications:

Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series)

ASTM INTERNATIONAL (ASTM)

ASTM A135/A135M (2009; R2014) Standard Specification for Electric-Resistance-Welded Steel Pipe

ASTM A183 (2014) Standard Specification for Carbon Steel Track Bolts and Nuts

ASTM A449 (2014) Standard Specification for Hex Cap Screws, Bolts, and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use

ASTM A47/A47M (1999; R 2014) Standard Specification for Ferritic Malleable Iron Castings

ASTM A53/A53M (2012) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

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09SEP2019

WVA Mul t i pl e Bui l di ng Fi r e Pr ot ect i on 2162942

ASTM A536 ( 1984; R 2014) St andar d Speci f i cat i on f or Duct i l e I r on Cast i ngs

ASTM A795/ A795M ( 2013) St andar d Speci f i cat i on f or Bl ack and Hot - Di pped Zi nc- Coat ed ( Gal vani zed) Wel ded and Seaml ess St eel Pi pe f or Fi r e Pr ot ect i on Use

ASTM F436 ( 2011) Har dened St eel Washer s

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- 71 ( 2011; Er r at a 2013) Gr ay I r on Swi ng Check Val ves, Fl anged and Thr eaded Ends

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

NFPA 13 ( 2016) St andar d f or t he I nst al l at i on of Spr i nkl er Syst ems

NFPA 24 ( 2016) St andar d f or t he I nst al l at i on of Pr i vat e Fi r e Ser vi ce Mai ns and Thei r Appurtenances

U. S. DEPARTMENT OF DEFENSE ( DOD)

UFC 3- 600- 01 ( 2016; wi t h Change 1) Fi r e Pr ot ect i on Engi neer i ng f or Faci l i t i es

UNDERWRI TERS LABORATORI ES ( UL)

UL Bl d Mat Di r ( 2012) Bui l di ng Mat er i al s Di r ect or y

UL Fi r e Pr ot Di r ( 2012) Fi r e Pr ot ect i on Equi pment Di r ect or y

1. 2 SYSTEM DESCRI PTI ON

a. Fur ni sh pi pi ng of f set s, f i t t i ngs, and any ot her accessor i es as r equi r ed t o pr ovi de a compl et e i nst al l at i on and t o el i mi nat e i nt er f er ence wi t h ot her const r uct i on. I nst al l spr i nkl er over and under duct s, pi pi ng and pl at f or ms when such equi pment can negat i vel y af f ect or di sr upt t he spr i nkl er di schar ge pat t er n and cover age.

b. Pr ovi de dr y pi pe spr i nkl er syst em i n ar eas i ndi cat ed on t he dr awi ngs.

The spr i nkl er syst em shal l pr ovi de f i r e spr i nkl er pr ot ect i on f or t he ent i r e ar ea. Except as modi f i ed her ei n, desi gn and i nst al l t he syst em i n accor dance wi t h NFPA 13. Pi pe s i zes, whi ch ar e not i ndi cat ed on t he dr awi ngs, shal l be det er mi ned by hydr aul i c cal cul at i on. Gr i dded syst ems shal l not be used.

c. Desi gn any por t i ons of t he spr i nkl er syst em t hat ar e not i ndi cat ed on t he dr awi ngs or ar e not speci f i ed her ei n, i ncl udi ng l ocat i ng spr i nkl er s, pi pi ng, and equi pment , and s i ze pi pi ng and equi pment . Base

SECTI ON 21 13 17. 00 10 Page 2 t he desi gn of t he spr i nkl er syst em on hydr aul i c cal cul at i ons, and t he ot her pr ovi s i ons speci f i ed her ei n.

1. 2. 1 Hydr aul i c Desi gn

Hydr aul i cal l y desi gn t he syst em t o di schar ge a mi ni mum densi t y of 0. 2 gpm per squar e f oot over t he hydr aul i cal l y most demandi ng 3500 squar e f eet of f l oor ar ea. Pr ovi de hydr aul i c cal cul at i ons i n accor dance wi t h t he Ar ea\ Densi t y Met hod of NFPA 13. Wat er vel oci t y i n t he pi pi ng shal l not exceed 20 f t / s.

1. 2. 1. 1 Hose Demand

Add an al l owance f or ext er i or hose st r eams of 250 gpm t o t he spr i nk l er syst em demand at t he f i r e hydr ant shown on t he dr awi ngs c l osest t o t he poi nt wher e t he wat er ser vi ce ent er s t he bui l di ng.

1. 2. 1. 2 Basi s f or Cal cul at i ons

Base t he desi gn of t he syst em upon a wat er suppl y i dent i f i ed i n Sect i on 21 13 13. 00 10 WET PI PE SPRI NKLER SYSTEM, FI RE PROTECTI ON. Base hydr aul i c cal cul at i ons upon t he Hazen- Wi l l i ams f or mul a wi t h a " C" val ue of 100 f or st eel pi pi ng.

a. Submi t Hydr aul i c cal cul at i ons, i ncl udi ng a dr awi ng showi ng hydr aul i c r ef er ence poi nt s and pi pe segment s. Out l i ne hydr aul i c cal cul at i ons as in NFPA 13, except t hat cal cul at i ons shal l be per f or med by comput er usi ng sof t war e i nt ended speci f i cal l y f or f i r e pr ot ect i on syst em desi gn usi ng t he desi gn dat a shown on t he dr awi ngs. Sof t war e t hat uses k- f act or s f or t ypi cal br anch l i nes i s not accept abl e. Cal cul at i ons shal l subst ant i at e t hat t he desi gn ar ea used i n t he cal cul at i ons i s t he most demandi ng hydr aul i cal l y .

b. Pl ot wat er suppl y cur ves and syst em r equi r ement s on semi - l ogar i t hmi c gr aph paper so as t o pr esent a summar y of t he compl et e hydr aul i c cal cul at i on. Pr ovi de a summar y sheet l i s t i ng spr i nkl er s i n t he desi gn ar ea and t hei r r espect i ve hydr aul i c r ef er ence poi nt s, el evat i ons, act ual di schar ge pr essur es and act ual f l ows. I ndi cat e el evat i ons of hydr aul i c r ef er ence poi nt s ( nodes) . Document at i on shal l i dent i f y each pi pe i ndi v i dual l y and t he nodes connect ed t her et o. I ndi cat e f or each pi pe t he di amet er , l engt h, f l ow, vel oci t y, f r i c t i on l oss, number and t ype f i t t i ngs, t ot al f r i c t i on l oss i n t he pi pe, equi val ent pi pe l engt h and Hazen- Wi l l i ams coef f i c i ent .

1. 2. 2 Spr i nkl er Cover age

Uni f or ml y space spr i nkl er s on br anch l i nes. I n bui l di ngs pr ot ect ed by aut omat i c spr i nk l er s, pr ovi de cover age t hr oughout 100 per cent of t he bui l di ng. Thi s i ncl udes, but i s not l i mi t ed t o, t el ephone r ooms, el ect r i cal equi pment r ooms, boi l er r ooms, swi t chgear r ooms, t r ansf or mer r ooms, and ot her el ect r i cal and mechani cal spaces. Cover age per spr i nkl er shal l be i n accor dance wi t h NFPA 13, but not exceedi ng 130 squar e f eet f or or di nar y hazar d occupanci es, and 225 squar e f eet f or l i ght hazar d occupancies.

1. 2. 3 Syst em Vol ume Li mi t at i ons

Wher e t he vol ume of any i ndi v i dual syst em pi pi ng vol ume exceeds 500 gal l ons, pr ovi de t he dr y pi pe val ve wi t h a qui ck- openi ng devi ce. The maxi mum syst em

SECTI ON 21 13 17. 00 10 Page 3 capaci t y cont r ol l ed by one dr y pi pe val ve shal l not exceed 750 gal l ons.

I ndi cat e t he cal cul at ed vol ume of each syst em on t he Spr i nkl er Syst em Shop Drawings.

1. 3 SUBMITTALS

Al l submi t t al s r equi r e Desi gner Appr oval and submi ssi on t o t he Gover nment f or i nf omat i on onl y. Submi t t he f ol l owi ng:

SD- 02 Shop Dr awi ngs

Shop Dr awi ngs

As- Bui l t Dr awi ngs

SD- 03 Pr oduct Dat a

Li st of Submi t t al s

Mat er i al s and Equi pment

Spar e Par t s

Fi r e Pr ot ect i on Speci al i s t

I nst al l er Qual i f i cat i ons

Onsi t e Tr ai ni ng

SD- 05 Desi gn Dat a

Sway Br aci ng

Hydr aul i c Cal cul at i ons

SD- 06 Test Repor t s

Pr el i mi nar y Test s

Fi nal Accept ance Test

SD- 07 Cer t i f i cat es

I nspect i on by Fi r e Pr ot ect i on Speci al i s t

SD- 10 Oper at i on and Mai nt enance Dat a

Oper at i ng and Mai nt enance I nst r uct i ons

1. 4 QUALI TY ASSURANCE

Compl i ance wi t h r ef er enced NFPA st andar ds i s mandat or y. I n t he event of a conf l i c t bet ween speci f i c pr ovi s i ons of t hi s speci f i cat i on and appl i cabl e NFPA st andar ds, t hi s speci f i cat i on gover ns. I nt er pr et r ef er ence t o " aut hor i t y havi ng j ur i sdi ct i on" t o mean t he Cont r act i ng Of f i cer .

1. 4. 1 I nst al l er Qual i f i cat i ons

Wor k speci f i ed i n t hi s sect i on shal l be per f or med by t he Spr i nkl er Syst em

SECTI ON 21 13 17. 00 10 Page 4

I nst al l er . Submi t t he name and document at i on of cer t i f i cat i on of t he pr oposed Spr i nkl er Syst em I nst al l er , concur r ent wi t h submi t t al of t he FPS Qual i f i cat i ons. The I nst al l er shal l be r egul ar l y engaged i n t he i nst al l at i on of t he t ype and compl exi t y of syst em speci f i ed i n t he Cont r act document s, and shal l have ser ved i n a s i mi l ar capaci t y f or at l east t hr ee syst ems t hat have per f or med i n t he manner i nt ended f or a per i od of not l ess t han 6 mont hs.

Qual i f i cat i ons of Syst em Techni c i an: I nst al l at i on dr awi ngs, shop dr awi ng and as- bui l t dr awi ngs shal l be pr epar ed, by or under t he super vi s i on of , an i ndi v i dual who i s exper i enced wi t h t he t ypes of wor ks speci f i ed her ei n, and i s cur r ent l y cer t i f i ed by t he Nat i onal I nst i t ut e f or Cer t i f i cat i on i n Engi neer i ng Technol ogi es ( NI CET) as an engi neer i ng t echni c i an wi t h mi ni mum Level - I I I cer t i f i cat i on i n Aut omat i c Spr i nkl er Syst em pr ogr am. Cont r act or shal l submi t dat a f or appr oval showi ng t he name and cer t i f i cat i on of al l i nvol ved i ndi v i dual s wi t h such qual i f i cat i ons at or pr i or t o submi t t al of drawings.

1. 4. 2 Shop Dr awi ngs

Submi t 3 copi es of t he Spr i nkl er Syst em Dr awi ngs, on r epr oduci bl e f ul l - s i ze myl ar f i l m, no l at er t han 21 days pr i or t o t he st ar t of spr i nkl er syst em i nst al l at i on. The dr awi ngs shal l conf or m t o t he r equi r ement s est abl i shed f or wor ki ng pl ans as pr escr i bed i n NFPA 13. Dr awi ngs shal l i ncl ude pl an and el evat i on v i ews demonst r at i ng t hat t he equi pment wi l l f i t t he al l ot t ed spaces wi t h c l ear ance f or i nst al l at i on and mai nt enance; updat e t he shop dr awi ngs t o r ef l ect as- bui l t condi t i ons af t er al l r el at ed wor k i s compl et ed. Each set of dr awi ngs shal l i ncl ude t he f ol l owi ng:

a. Descr i pt i ve i ndex of dr awi ngs i n t he submi t t al wi t h dr awi ngs l i s t ed i n sequence by dr awi ng number . A l egend i dent i f y i ng devi ce symbol s, nomencl at ur e, and convent i ons used.

b. Fl oor pl ans dr awn t o a scal e not l ess t han 1/ 8" = 1' - 0" whi ch c l ear l y show l ocat i ons of spr i nkl er s, r i ser s, pi pe hanger s, sei smi c separ at i on assembl i es, i nspect or ' s t est connect i ons, dr ai ns, and ot her appl i cabl e det ai l s necessar y t o c l ear l y descr i be t he pr oposed ar r angement .

I ndi cat e each t ype of f i t t i ng used and t he l ocat i ons of bushi ngs, r educi ng coupl i ngs, and wel ded j oi nt s.

c. Act ual cent er - t o- cent er di mensi ons bet ween spr i nkl er s on br anch l i nes and bet ween br anch l i nes; f r om end spr i nkl er s t o adj acent wal l s; f r om wal l s t o br anch l i nes; f r om spr i nkl er f eed mai ns, cr oss- mai ns and br anch l i nes t o f i ni shed f l oor and r oof or cei l i ng. A det ai l shal l show t he di mensi on f r om t he spr i nkl er and spr i nkl er def l ect or t o t he cei l i ng i n f i ni shed ar eas.

d. Longi t udi nal and t r ansver se bui l di ng sect i ons showi ng t ypi cal br anch l i ne and cr oss- mai n pi pe r out i ng as wel l as el evat i on of each t ypi cal spr i nkl er above f i ni shed f l oor .

e. Det ai l s of each t ype of r i ser assembl y; ai r suppl y syst em and pi pi ng;

pi pe hanger ; r est r ai nt of under gr ound wat er mai n at poi nt - of - ent r y i nt o t he bui l di ng, and el ect r i cal devi ces and i nt er connect i ng wi r i ng.

1. 5 DELI VERY, STORAGE, AND HANDLI NG

Al l equi pment del i ver ed and pl aced i n st or age shal l be housed i n a manner t o pr ecl ude any damage f r om t he weat her , humi di t y and t emper at ur e

SECTI ON 21 13 17. 00 10 Page 5 var i at i ons, di r t and dust , or ot her cont ami nant s. Addi t i onal l y, al l pi pes shal l ei t her be capped or pl ugged unt i l i nst al l ed.

1. 6 EXTRA MATERI ALS

Submi t spar e par t s dat a f or each di f f er ent i t em of mat er i al and equi pment speci f i ed. The dat a shal l i ncl ude a compl et e l i s t of par t s and suppl i es, wi t h cur r ent uni t pr i ces and sour ce of suppl y, and a l i s t of par t s r ecommended by t he manuf act ur er t o be r epl aced af t er 1 year and 3 year s of ser vi ce. I ncl ude al i s t of speci al t ool s and t est equi pment r equi r ed f or mai nt enance and t est i ng of t he pr oduct s suppl i ed.

PART 2 PRODUCTS

2. 1 STANDARD PRODUCTS

Pr ovi de mat er i al s and equi pment whi ch ar e 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 such 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 l east 2 year s pr i or t o bi d openi ng. Submi t manuf act ur er ' s cat al og dat a i ncl uded wi t h t he Spr i nkl er Syst em Dr awi ngs f or al l i t ems speci f i ed her ei n.

Hi ghl i ght t he dat a t o show model , s i ze, opt i ons, et c. , t hat ar e i nt ended f or consi der at i on. Dat a shal l be adequat e t o demonst r at e compl i ance wi t h al l cont r act r equi r ement s. I n addi t i on, pr ovi de a compl et e equi pment l i s t t hat i ncl udes equi pment descr i pt i on, model number and quant i t y.

2. 2 NAMEPLATES

Al l equi pment shal l have a namepl at e t hat i dent i f i es t he manuf act ur er ' s name, addr ess, t ype or st y l e, model or ser i al number , and cat al og number .

2. 3 REQUI REMENTS FOR FI RE PROTECTI ON SERVI CE

Mat er i al s and Equi pment shal l have been t est ed by Under wr i t er s Labor at or i es, I nc. and l i s t ed i n UL Fi r e Pr ot Di r or appr oved by Fact or y Mut ual and l i s t ed i n FM APP GUI DE. Wher e t he t er ms " l i s t ed" or " appr oved" appear i n t hi s speci f i cat i on, such shal l mean l i s t ed i n UL Fi r e Pr ot Di r or

FM APP GUI DE.

2. 4 ABOVEGROUND PI PI NG COMPONENTS

2. 4. 1 St eel Pi pe

Except as modi f i ed her ei n, st eel pi pe shal l be bl ack as per mi t t ed by NFPA 13 and shal l conf or m t o appl i cabl e pr ovi s i ons of ASTM A795/ A795M, ASTM A53/ A53M, or ASTM A135/ A135M. Pi pe i n whi ch t hr eads or gr ooves ar e cut or r ol l ed f or med shal l be Schedul e 40 or shal l be l i s t ed by Under wr i t er s ' Labor at or i es t o have a cor r osi on r esi st ance r at i o ( CRR) of 1. 0 or gr eat er af t er t hr eads or gr ooves ar e cut or r ol l ed f or med. Pi pe shal l be mar ked wi t h t he name of t he manuf act ur er , k i nd of pi pe, and ASTM desi gnat i on.

2. 4. 2 Fi t t i ngs f or Non- Gr ooved St eel Pi pe

Fi t t i ngs shal l be cast i r on conf or mi ng t o ASME B16. 4, st eel conf or mi ng t o ASME B16. 9 or ASME B16. 11, or mal l eabl e i r on conf or mi ng t o ASME B16. 3.

Fi t t i ngs i nt o whi ch spr i nkl er s, dr op ni ppl es or r i ser ni ppl es ( spr i gs) ar e scr ewed shal l be t hr eaded t ype. Pl ai n- end f i t t i ngs wi t h mechani cal coupl i ngs, f i t t i ngs t hat use st eel gr i ppi ng devi ces t o bi t e i nt o t he pi pe and segment ed wel ded f i t t i ngs shal l not be used.

SECTI ON 21 13 17. 00 10 Page 6

2. 4. 3 Gr ooved Mechani cal Joi nt s and Fi t t i ngs

Joi nt s and f i t t i ngs shal l be desi gned f or not l ess t han 175 psi ser vi ce and shal l be t he pr oduct of t he same manuf act ur er ; segment ed wel ded f i t t i ngs shal l not be used. Fi t t i ng and coupl i ng houses shal l be mal l eabl e i r on conf or mi ng t o ASTM A47/ A47M, Gr ade 32510; duct i l e i r on conf or mi ng t o ASTM A536, Gr ade 65- 45- 12. Gasket s shal l be of s i l i con compound and appr oved f or dr y f i r e pr ot ect i on syst ems. Gasket shal l be t he f l ush t ype t hat f i l l s t he ent i r e cavi t y bet ween t he f i t t i ng and t he pi pe. Nut s and bol t s shal l be heat - t r eat ed st eel conf or mi ng t o ASTM A183 and shal l be cadmi um pl at ed or z i nc el ect r opl at ed.

2. 4. 4 Flanges

Fl anges shal l conf or m t o NFPA 13 and ASME B16. 1. Gasket s shal l be non- asbest os compr essed mat er i al i n accor dance wi t h ASME B16. 21, 1/ 16 i nch t hi ck, and f ul l f ace or sel f - cent er i ng f l at r i ng t ype.

2. 4. 4. 1 Bolts

Bol t s shal l be ASTM A449, Type 1 and shal l ext end no l ess t han t hr ee f ul l t hr eads beyond t he nut wi t h bol t s t i ght ened t o t he r equi r ed t or que.

2. 4. 4. 2 Nuts

Nut s shal l be hexagon t ype conf or mi ng t o ASME B18. 2. 2.

2. 4. 4. 3 Washers

Washer s shal l meet t he r equi r ement s of ASTM F436. Fl at c i r cul ar washer s shal l be pr ovi ded under al l bol t heads and nut s.

2. 4. 5 Pi pe Hanger s

Hanger s shal l be l i s t ed i n UL Fi r e Pr ot Di r or FM APP GUI DE and of t he t ype sui t abl e f or t he appl i cat i on, const r uct i on, and pi pe t ype and si ze t o be supported.

2. 4. 6 Valves

2. 4. 6. 1 Cont r ol Val ve and Gat e Val ve

Manual l y oper at ed spr i nkl er cont r ol val ve and gat e val ve shal l be out s i de st em and yoke ( OS&Y) t ype and shal l be l i s t ed i n UL Bl d Mat Di r or

FM APP GUI DE.

2. 4. 6. 2 Check Val ve

Check val ve 2 i nches and l ar ger shal l be l i s t ed i n UL Bl d Mat Di r or FM APP GUI DE. Check val ves 4 i nches and l ar ger shal l be of t he swi ng t ype wi t h f l anged cast i r on body and f l anged i nspect i on pl at e, shal l have a c l ear wat er way and shal l meet t he r equi r ement s of MSS SP- 71, f or Type 3 or 4.

2. 5 DRY PI PE VALVE ASSEMBLY

The dr y pi pe val ve shal l be a l at chi ng di f f er ent i al t ype l i s t ed i n UL Fi r e Pr ot Di r or FM APP GUI DE and shal l be compl et e wi t h t r i m pi pi ng, SECTI ON 21 13 17. 00 10 Page 7 val ves, f i t t i ngs, pr essur e gauges, pr i mi ng wat er f i l l cup, vel oci t y dr i p check, dr i p cup, and ot her anci l l ar y component s as r equi r ed f or pr oper oper at i on. The assembl y shal l i ncl ude a qui ck- openi ng devi ce by t he same manuf act ur er as t he dr y pi pe val ve f or syst ems over 500 gal l ons i n capaci t y.

2. 6 SUPERVI SORY AI R SYSTEM

Pr ovi de an ai r suppl y syst em i n accor dance wi t h NFPA 13. The connect i on pi pe f r om t he ai r compr essor shal l not be l ess t han 1/ 2 i nch i n di amet er and shal l ent er t he syst em above t he pr i mi ng wat er l evel of t he dr y pi pe val ve. I nst al l a check val ve i n t he syst em suppl y ai r pi pi ng f r om t he compr essor . A shut of f val ve of t he r enewabl e di sc t ype shal l be i nst al l ed upst r eam of t hi s check val ve. The ai r suppl y syst em shal l be s i zed t o pr essur i ze t he spr i nkl er syst em t o 40 psi wi t hi n 20 mi nut es.

2. 6. 1 Ai r Compr essor

Compr essor shal l be t ank- mount ed, s i ngl e st age oi l - f r ee t ype, ai r - cool ed, el ect r i c- mot or dr i ven, equi pped wi t h a check val ve, shut of f val ve and pr essur e swi t ch f or aut omat i c st ar t i ng and st oppi ng. Pr essur e swi t ch shal l be f act or y set t o st ar t t he compr essor at 30 psi and st op i t at 40 psi . A saf et y r el i ef val ve, set t o oper at e at 65 psi , shal l be pr ovi ded.

2. 6. 2 Ai r Pr essur e Mai nt enance Devi ce

Devi ce shal l be a pr essur e r egul at or t hat aut omat i cal l y r educes suppl y ai r t o pr ovi de t he pr essur e r equi r ed t o be mai nt ai ned i n t he pi pi ng syst em.

The devi ce shal l have a cast br onze body and val ve housi ng compl et e wi t h di aphr agm assembl y, spr i ng, f i l t er , bal l check t o pr event backf l ow, 1/ 16 i nch r est r i c t i on t o pr event r api d pr essur i zat i on of t he syst em, and adj ust ment scr ew. The devi ce shal l be capabl e of r educi ng an i nl et pr essur e of up t o 100 psi g t o a f i xed out l et pr essur e adj ust abl e t o 10 psi g.

2. 6. 3 Ai r Suppl y Pi pi ng Syst em

Syst em shal l be conf i gur ed so t hat each dr y pi pe syst em i s equi pped wi t h a separ at e pr essur e mai nt enance devi ce, ai r compr essor , shut of f val ve, bypass val ve and pr essur e gauge. Pi pi ng shal l be gal vani zed st eel i n accor dance with ASTM A795/ A795M or ASTM A53/ A53M.

2. 6. 4 Low Ai r Pr essur e Al ar m Devi ce

Each dr y pi pe val ve t r i m shal l be pr ovi ded wi t h a l ocal al ar m devi ce consi st i ng of a met al encl osur e cont ai ni ng an al ar m hor n or bel l , s i l ence swi t ch, gr een power - on l i ght , r ed l ow- ai r al ar m l i ght and amber t r oubl e l i ght . Act i vat e t he al ar m devi ce by t he l ow ai r pr essur e swi t ch. Upon r educt i on of spr i nkl er syst em pr essur e t o appr oxi mat el y 10 psi g above t he dr y val ve t r i p poi nt pr essur e, t he l ow ai r pr essur e swi t ch shal l act uat e t he audi bl e al ar m devi ce and a r ed l ow- ai r al ar m l i ght . Rest or at i on of syst em pr essur e shal l cause t he l ow- ai r al ar m l i ght t o be ext i ngui shed and t he audi bl e al ar m t o be s i l enced. An al ar m si l ence swi t ch shal l be pr ovi ded t o s i l ence t he audi bl e al ar m. An amber t r oubl e l i ght shal l be pr ovi ded whi ch wi l l i l l umi nat e upon oper at i on of t he s i l ence swi t ch and shal l be ext i ngui shed upon r et ur n t o i t s nor mal posi t i on.

2. 7 WATERFLOW ALARM

El ect r i cal l y oper at ed, ext er i or - mount ed, wat er f l ow al ar m bel l shal l be pr ovi ded and i nst al l ed i n accor dance wi t h NFPA 13. Wat er f l ow al ar m bel l

SECTI ON 21 13 17. 00 10 Page 8 shal l be r at ed 24 VDC and shal l be connect ed t o t he Fi r e Al ar m Cont r ol Panel

(FACP).

2. 8 ALARM I NI TI ATI NG AND SUPERVI SORY DEVI CES

2. 8. 1 Spr i nkl er Pr essur e ( Wat er f l ow) Al ar m Swi t ch

Pr essur e swi t ch shal l i ncl ude a met al housi ng wi t h a neopr ene di aphr agm, SPDT snap act i on swi t ches and a 1/ 2 i nch NPT mal e pi pe t hr ead. The swi t ch shal l have a maxi mum ser vi ce pr essur e r at i ng of 175 psi . Ther e shal l be t wo SPDT ( For m C) cont act s f act or y adj ust ed t o oper at e at 4 t o 8 psi . The swi t ch shal l be capabl e of bei ng mount ed i n any posi t i on i n t he al ar m l i ne t r i m pi pi ng of t he dr y pi pe val ve.

2. 8. 2 Low Ai r Pr essur e Super vi sor y Swi t ch

The pr essur e swi t ch shal l super vi se t he ai r pr essur e i n syst em and shal l be set t o act i vat e at 10 psi above t he dr y pi pe val ve t r i p poi nt pr essur e.

The swi t ch shal l have an adj ust abl e r ange bet ween 5 and 80 psi . The swi t ch shal l have scr ew t er mi nal connect i on and shal l be capabl e of bei ng wi r ed f or nor mal l y open or nor mal l y c l osed ci r cui t .

2. 8. 3 Val ve Super vi sor y ( Tamper ) Swi t ch

Swi t ch shal l be sui t abl e f or mount i ng t o t he t ype of cont r ol val ve t o be super vi sed open. The swi t ch shal l be t amper r esi st ant and cont ai n one set of SPDT ( For m C) cont act s ar r anged t o t r ansf er upon r emoval of t he housi ng cover or c l osur e of t he val ve of mor e t han t wo r ot at i ons of t he val ve st em.

2. 9 SPRINKLERS

Spr i nkl er s shal l be used i n accor dance wi t h t hei r l i s t ed cover age l i mi t at i ons. Ar eas wher e spr i nkl er s ar e connect ed t o or ar e a par t of t he dr y pi pe syst em shal l be consi der ed unheat ed and subj ect t o f r eezi ng.

Temper at ur e c l assi f i cat i on shal l be as i ndi cat ed. Spr i nkl er s i n hi gh heat ar eas i ncl udi ng at t i c spaces or i n c l ose pr oxi mi t y t o uni t heat er s shal l have t emper at ur e c l assi f i cat i on i n accor dance wi t h NFPA 13. Ext ended cover age spr i nkl er s shal l not be used.

2. 9. 1 Upr i ght Spr i nkl er

Upr i ght spr i nkl er shal l be st ai nl ess st eel , qui ck- r esponse t ype and shal l have a nomi nal 1/ 2 i nch or 17/ 32 i nch or i f i ce.

2. 10 ACCESSORIES

2. 10. 1 Spr i nkl er Cabi net

Spar e spr i nkl er s shal l be pr ovi ded i n accor dance wi t h NFPA 13 and shal l be packed i n a sui t abl e met al or pl ast i c cabi net . Spar e spr i nkl er s shal l be r epr esent at i ve of , and i n pr opor t i on t o, t he number of each t ype and t emper at ur e r at i ng of t he spr i nkl er s i nst al l ed. At l east one wr ench of each t ype r equi r ed shal l be pr ovi ded.

2. 10. 2 I dent i f i cat i on Si gn

Val ve i dent i f i cat i on s i gn shal l be mi ni mum 6 i nches wi de by 2 i nches hi gh wi t h enamel baked f i ni sh on mi ni mum 18 gauge st eel or 0. 024 i nch al umi num wi t h r ed l et t er s on a whi t e backgr ound or whi t e l et t er s on r ed backgr ound.

SECTI ON 21 13 17. 00 10 Page 9

Wor di ng of s i gn shal l i ncl ude, but not be l i mi t ed t o " mai n dr ai n, " " auxi l i ar y dr ai n, " " i nspect or ' s t est , " " al ar m t est , " " al ar m l i ne, " and si mi l ar wor di ng as r equi r ed t o i dent i f y oper at i onal component 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 bef or e per f or mi ng t he wor k.

3. 2 I NSTALLATI ON REQUI REMENTS

I nst al l i n accor dance wi t h t he appl i cabl e pr ovi s i ons of NFPA 13, NFPA 24 and publ i cat i ons r ef er enced t her ei n.

3. 3 I NSPECTI ON BY FI RE PROTECTI ON SPECI ALI ST

The Fi r e Pr ot ect i on Speci al i s t shal l i nspect t he spr i nkl er syst em per i odi cal l y dur i ng t he i nst al l at i on t o assur e t hat t he spr i nkl er syst em i nst al l ed i n accor dance wi t h t he cont r act r equi r ement s. The Fi r e Pr ot ect i on Speci al i s t shal l wi t ness t he pr el i mi nar y and f i nal t est s, and shal l s i gn t he t est r esul t s. The Fi r e Pr ot ect i on Speci al i s t , af t er compl et i on of t he syst em i nspect i ons and a successf ul f i nal t est , shal l cer t i f y i n wr i t i ng t hat t he syst em has been i nst al l ed i n accor dance wi t h t he cont r act r equi r ement s. Any di scr epancy shal l be br ought t o t he at t ent i on of t he Cont r act i ng Of f i cer i n wr i t i ng, no l at er t han t hr ee wor ki ng days af t er t he di scr epancy i s di scover ed. Submi t , concur r ent wi t h t he Fi nal Accept ance Test Repor t , cer t i f i cat i on by t he Fi r e Pr ot ect i on Speci al i s t t hat t he spr i nkl er syst em i s i nst al l ed i n accor dance wi t h t he cont r act r equi r ement s, i ncl udi ng s i gned appr oval of t he Pr el i mi nar y and Fi nal Accept ance Test Repor t s.

3. 4 ABOVEGROUND PI PI NG I NSTALLATI ON

3. 4. 1 Pi pi ng i n Exposed Ar eas

Exposed pi pi ng shal l be i nst al l ed so as not di mi ni sh exi t access wi dt hs, cor r i dor s, or equi pment access. Exposed hor i zont al pi pi ng, i ncl udi ng dr ai n pi pi ng, shal l be i nst al l ed t o pr ovi de maxi mum headr oom.

3. 4. 2 Upr i ght Spr i nkl er s

Ri ser ni ppl es or " spr i gs" t o upr i ght spr i nkl er s shal l cont ai n no f i t t i ngs bet ween t he br anch l i ne t ee and t he r educi ng coupl i ng at t he spr i nk l er .

Ri ser ni ppl es exceedi ng 30 i nches i n l engt h shal l be i ndi v i dual l y suppor t ed.

3. 4. 3 Pi pe Joi nt s

Pi pe j oi nt s shal l conf or m t o NFPA 13, except as modi f i ed her ei n. Not mor e t han f our t hr eads shal l show af t er j oi nt i s made up. Wel ded j oi nt s wi l l be per mi t t ed, onl y i f wel di ng oper at i ons ar e per f or med as r equi r ed by NFPA 13 at t he Cont r act or ' s f abr i cat i on shop, not at t he pr oj ect const r uct i on s i t e. Fl anged j oi nt s shal l be pr ovi ded wher e i ndi cat ed or r equi r ed by NFPA 13. Gr ooved pi pe and f i t t i ngs shal l be pr epar ed i n accor dance wi t h t he manuf act ur er ' s l at est publ i shed speci f i cat i on accor di ng t o pi pe mat er i al , wal l t hi ckness and si ze. Gr ooved coupl i ngs and f i t t i ngs shal l be f r om t he same manuf act ur er . Gr ooved j oi nt s shal l not be used i n conceal ed

SECTI ON 21 13 17. 00 10 Page 10 l ocat i ons, such as behi nd sol i d wal l s or cei l i ngs, unl ess an access panel i s shown on t he dr awi ngs f or ser v i c i ng or adj ust i ng t he j oi nt .

3. 4. 4 Reducers

Reduct i ons i n pi pe s i zes shal l be made wi t h one- pi ece t aper ed r educi ng f i t t i ngs. The use of gr ooved- end or r ubber - gasket ed r educi ng coupl i ngs wi l l not be per mi t t ed. When st andar d f i t t i ngs of t he r equi r ed s i ze ar e not manuf act ur ed, s i ngl e bushi ngs of t he f ace t ype wi l l be per mi t t ed. Wher e used, f ace bushi ngs shal l be i nst al l ed wi t h t he out er f ace f l ush wi t h t he f ace of t he f i t t i ng openi ng bei ng r educed. Bushi ngs shal l not be used i n el bow f i t t i ngs, i n mor e t han one out l et of a t ee, i n mor e t han t wo out l et s of a cr oss, or wher e t he r educt i on i n s i ze i s l ess t han 1/ 2 i nch.

3. 4. 5 Pi pe Penet r at i ons

Cut t i ng st r uct ur al member s f or passage of pi pes or f or pi pe- hanger f ast eni ngs wi l l not be per mi t t ed. Pi pes t hat must penet r at e concr et e or masonr y wal l s or concr et e f l oor s shal l be cor e- dr i l l ed and pr ovi ded wi t h pi pe s l eeves. Each sl eeve shal l be Schedul e 40 gal vani zed st eel , duct i l e i r on or cast i r on pi pe and shal l ext end t hr ough i t s r espect i ve wal l or f l oor and be cut f l ush wi t h each wal l sur f ace. Sl eeves shal l pr ovi de r equi r ed c l ear ance bet ween t he pi pe and t he s l eeve i n accor dance wi t h NFPA 13. The space bet ween t he s l eeve and t he pi pe shal l be f i r ml y packed wi t h mi ner al wool i nsul at i on. Wher e pi pes penet r at e f i r e wal l s, f i r e par t i t i ons, or f l oor s, pi pes shal l be f i r e st opped. I n penet r at i ons t hat ar e not f i r e- r at ed or not a f l oor penet r at i on, t he space bet ween t he s l eeve and t he pi pe shal l be seal ed at bot h ends wi t h pl ast i c wat er pr oof cement t hat wi l l dr y t o a f i r m but pl i abl e mass or wi t h a mechani cal l y adj ust abl e segment ed el ast omer seal .

3. 4. 6 Escutcheons

Escut cheons shal l be pr ovi ded f or pi pe penet r at i on of cei l i ngs and wal l s.

Escut cheons shal l be secur el y f ast ened t o t he pi pe at sur f aces t hr ough whi ch pi pi ng passes.

3. 4. 7 I nspect or ' s Test Connect i on

Unl ess ot her wi se i ndi cat ed, t est connect i on shal l consi st of 1 i nch pi pe connect ed t o t he r emot e br anch l i ne; a t est val ve l ocat ed appr oxi mat el y 7 f eet above t he f l oor ; a smoot h bor e br ass out l et equi val ent t o t he smal l est or i f i ce spr i nkl er used i n t he syst em; and a pai nt ed met al i dent i f i cat i on s i gn af f i xed t o t he val ve wi t h t he wor ds " I nspect or ' s Test . " The di schar ge or i f i ce shal l be l ocat ed out s i de t he bui l di ng wal l di r ect ed so as not t o cause damage t o adj acent const r uct i on or l andscapi ng dur i ng f ul l f l ow discharge.

3. 4. 8 Drains

Pr ovi de mai n dr ai n pi pi ng t o di schar ge at t he l ocat i on i ndi cat ed.

Auxi l i ar y dr ai ns shal l be pr ovi ded as i ndi cat ed and as r equi r ed by NFPA 13.

When t he capaci t y of t r apped sect i ons of pi pe i s l ess t han 3 gal l ons, t he auxi l i ar y dr ai n shal l consi st of a val ve not smal l er t han 1/ 2 i nch and a pl ug or ni ppl e and cap. When t he capaci t y of t r apped sect i ons of pi pi ng i s mor e t han 3 gal l ons, t he auxi l i ar y dr ai n shal l consi st of t wo 1 i nch val ves and one 2 x 12 i nch condensat e ni ppl e or equi val ent , l ocat ed i n an accessi bl e l ocat i on. Ti e- i n dr ai ns shal l be pr ovi ded f or mul t i pl e adj acent t r apped br anch pi pes and shal l be a mi ni mum of 1 i nch i n di amet er . Ti e- i n

SECTI ON 21 13 17. 00 10 Page 11 dr ai n l i nes shal l be pi t ched a mi ni mum of 1/ 2 i nch per 10 f eet .

3. 4. 9 I dent i f i cat i on Si gns

Si gns shal l be af f i xed t o each cont r ol val ve, i nspect or t est val ve, mai n dr ai n, auxi l i ar y dr ai n, t est val ve, and si mi l ar val ves as appr opr i at e or as r equi r ed by NFPA 13. Hydr aul i c desi gn dat a namepl at es shal l be per manent l y af f i xed t o each spr i nkl er r i ser as speci f i ed i n NFPA 13.

3. 5 ELECTRI CAL WORK

Al l wi r i ng f or super vi sor y and al ar m ci r cui t s shal l be #14 AWG sol i d copper i nst al l ed i n met al l i c t ubi ng or condui t . Wi r i ng col or code shal l r emai n uni f or m t hr oughout t he syst em.

3. 6 PI PE COLOR CODE MARKI NG

Col or code mar k pi pi ng as speci f i ed i n NFPA 13 AND UFC 3- 600- 01.

3. 7 PRELI MI NARY TESTS

The syst em, i ncl udi ng t he under gr ound wat er mai ns and t he abovegr ound pi pi ng and syst em component s, shal l be t est ed t o assur e t hat equi pment and component s f unct i on as i nt ended. Submi t pr oposed pr ocedur es f or Pr el i mi nar y Test s, no l at er t han 14 days pr i or t o t he pr oposed st ar t of t he t est s, al so pr oposed dat e and t i me t o begi n t he t est s, wi t h t he Pr el i mi nar y Test s Pr ocedur es. The under gr ound and abovegr ound i nt er i or pi pi ng syst ems and at t ached appur t enances subj ect ed t o syst em wor ki ng pr essur e shal l be t est ed i n accor dance wi t h NFPA 13 and NFPA 24. Upon compl et i on of speci f i ed t est s, submi t compl et e cer t i f i cat es as speci f i ed and 3 copi es of t he compl et ed Pr el i mi nar y Test s Repor t s, no l at er t han 7 days af t er t he compl et i on of t he Pr el i mi nar y Test s. The Pr el i mi nar y Test s Repor t shal l i ncl ude bot h t he Cont r act or ' s Mat er i al and Test Cer t i f i cat e f or Under gr ound Pi pi ng and t he Cont r act or ' s Mat er i al and Test Cer t i f i cat e f or Abovegr ound Pi pi ng. Al l i t ems i n t he Pr el i mi nar y Test s Repor t shal l be s i gned by t he Fi r e Pr ot ect i on Speci al i s t .

3. 7. 1 Abovegr ound Pi pi ng

3. 7. 1. 1 Hydr ost at i c Test i ng

Abovegr ound pi pi ng shal l be hydr ost at i cal l y t est ed i n accor dance wi t h NFPA 13 at not l ess t han 200 psi or 50 psi i n excess of maxi mum syst em oper at i ng pr essur e and shal l mai nt ai n t hat pr essur e wi t hout l oss f or 2 hour s. Ther e shal l be no dr op i n gauge pr essur e or v i s i bl e l eakage when t he syst em i s subj ect ed t o t he hydr ost at i c t est . The t est pr essur e shal l be r ead f r om a gauge l ocat ed at t he l ow el evat i on poi nt of t he syst em or por t i on bei ng t est ed.

3. 7. 1. 2 Ai r Pr essur e Test

As speci f i ed i n NFPA 13, an ai r pr essur e l eakage t est at 50 psi shal l be conduct ed f or 24 hour s. Ther e shal l be no dr op i n gauge pr essur e i n excess of 1. 5 psi f or t he 24 hour s. Thi s ai r pr essur e t est i s i n addi t i on t o t he r equi r ed hydr ost at i c t est .

3. 7. 1. 3 Backf l ow Pr event i on Assembl y For war d Fl ow Test

Each backf l ow pr event i on assembl y shal l be t est ed at syst em f l ow demand, SECTI ON 21 13 17. 00 10 Page 12 i ncl udi ng al l appl i cabl e hose st r eams, as speci f i ed i n NFPA 13. Pr ovi de al l equi pment and i nst r ument s necessar y t o conduct a compl et e f or war d f l ow t est , i ncl udi ng 2. 5 i nch di amet er hoses, pl aypi pe nozzl es, cal i br at ed pr essur e gauges, and pi t ot t ube gauge. Pr ovi de al l necessar y suppor t s t o saf el y secur e hoses and nozzl es dur i ng t he t est . At t he syst em demand f l ow, t he pr essur e r eadi ngs and pr essur e dr op ( f r i c t i on) acr oss t he assembl y shal l be r ecor ded. A met al pl acar d shal l be pr ovi ded on t he backf l ow pr event i on assembl y t hat l i s t s t he pr essur e r eadi ngs bot h upst r eam and downst r eam of t he assembl y, t ot al pr essur e dr op, and t he syst em t est f l ow r at e. The pr essur e dr op shal l be compar ed t o t he manuf act ur er ' s dat a.

3. 7. 2 Test i ng of Al ar m Devi ces

Each al ar m i ni t i at i ng devi ce, i nc l udi ng pr essur e al ar m swi t ch, l ow ai r pr essur e swi t ch, val ve super vi sor y swi t ch, and el ect r i cal l y- oper at ed swi t ch shal l be t est ed f or pr oper oper at i on. Wat er mot or al ar m shal l be t est ed.

The connect i ng c i r cui t t o t he bui l di ng f i r e al ar m syst em and t o t he base- wi de f i r e r epor t syst em shal l be i nspect ed and t est ed.

3. 7. 3 Tr i p Test s of Dr y Pi pe Val ves

Each dr y pi pe val ve shal l be t r i p- t est ed by r educi ng nor mal syst em ai r pr essur e t hr ough oper at i on t he i nspect or ' s t est connect i on. Syst ems equi pped wi t h qui ck openi ng devi ces shal l be f i r st t est ed wi t hout t he oper at i on of t he qui ck openi ng devi ce and t hen wi t h i t i n oper at i on. Test r esul t s wi l l be wi t nessed and r ecor ded. Test r esul t s shal l i ncl ude t he number of seconds el apsed bet ween t he t i me t he t est val ve i s opened and t r i ppi ng of t he dr y val ve; t r i p- poi nt ai r pr essur e of t he dr y pi pe val ve;

wat er pr essur e pr i or t o val ve t r i ppi ng; and number of seconds el apsed bet ween t i me t he i nspect or ' s t est val ve i s opened and wat er r eaches t he orifice.

3. 7. 4 Mai n Dr ai n Fl ow Test

Fol l owi ng f l ushi ng of t he under gr ound pi pi ng, a mai n dr ai n t est shal l be made t o ver i f y t he adequacy of t he wat er suppl y. St at i c and r esi dual pr essur es shal l be r ecor ded on t he cer t i f i cat e speci f i ed i n par agr aph SUBMI TTALS. I n addi t i on, a mai n dr ai n t est shal l be conduct ed each t i me af t er a mai n cont r ol val ve i s shut and opened.

3. 8 FI NAL ACCEPTANCE TEST

Fi nal Accept ance Test shal l begi n onl y when t he Pr el i mi nar y Test Repor t has been appr oved. The Fi r e Pr ot ect i on Speci al i s t shal l conduct t he Fi nal Accept ance Test and shal l pr ovi de a compl et e demonst r at i on of t he oper at i on of t he syst em. Thi s shal l i ncl ude oper at i on of cont r ol val ves and f l owi ng of i nspect or ' s t est connect i ons t o ver i f y oper at i on of associ at ed wat er f l ow al ar m swi t ches. Submi t pr oposed pr ocedur es f or Fi nal Accept ance Test , no l at er t han 14 days pr i or t o t he pr oposed st ar t of t he t est s and pr oposed dat e and t i me t o begi n Fi nal Accept ance Test , wi t h t he Fi nal Accept ance Test Pr ocedur es. Not i f i cat i on shal l be pr ovi ded at l east 14 days pr i or t o t he pr oposed st ar t of t he t est . Not i f i cat i on shal l i ncl ude a copy of t he Cont r act or ' s Mat er i al & Test Cer t i f i cat es. Af t er oper at i on of cont r ol val ves has been compl et ed, t he mai n dr ai n t est shal l be r epeat ed t o assur e t hat cont r ol val ves ar e i n t he open posi t i on. Each syst em shal l be compl et el y dr ai ned af t er each t r i p t est . The syst em ai r suppl y syst em shal l be t est ed t o ver i f y t hat syst em pr essur e i s r est or ed i n t he speci f i ed t i me. I n addi t i on, t he Fi r e Pr ot ect i on Speci al i s t shal l have avai l abl e copi es of as- bui l t dr awi ngs and cer t i f i cat es of t est s pr evi ousl y

SECTI ON 21 13 17. 00 10 Page 13 conduct ed. Submi t as- bui l t shop dr awi ngs, at l east 14 days af t er compl et i on of t he Fi nal Test s. The i nst al l at i on shal l not be consi der ed accept ed unt i l i dent i f i ed di scr epanci es have been cor r ect ed and t est document at i on i s pr oper l y compl et ed and r ecei ved. Af t er t he syst em has been t est ed and dr ai ned, t he syst em shal l be dr ai ned per i odi cal l y f or at l east 2 weeks unt i l i t can be assur ed t hat wat er f r om t he syst em has been r emoved. Submi t 3 copi es of t he compl et ed Fi nal Accept ance Test s Repor t s, no l at er t hat 7 days af t er t he compl et i on of t he Fi nal Accept ance Test s.

Al l i t ems i n t he Fi nal Accept ance Repor t shal l be s i gned by t he Fi r e Pr ot ect i on Speci al i s t .

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