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VA N. Chi cago NHCU ( CLC) Renovat i on, Bl dg. 134 Proj ect No. 556- 30311- 09

SECTION 23 05 11

COMMON WORK RESULTS FOR HVAC AND STEAM GENERATION

PART 1 - GENERAL

1.1 DESCRIPTION

A. The r equi r ement s of t hi s Sect i on appl y t o al l sect i ons of Di vi si on 23.

B. Def i ni t i ons:

1. Exposed: Pi pi ng, duct work, and equi pment exposed t o vi ew i n f i ni shed

r ooms.

2. Opt i on or opt i onal : Cont r act or ' s choi ce of an al t er nat e mat er i al or

met hod.

3. COTR: Cont r act i ng Of f i cer s Techni cal Repr esent at i ve.

1.2 RELATED WORK

A. Sect i on 01 00 00, GENERAL REQUI REMENTS.B. Sect i on 01 33 23, SHOP DRAWI NGS, PRODUCT DATA, AND SAMPLES.C. Concr et e and Gr out : Sect i on 03 30 00, CAST- I N- PLACE CONCRETE.

D. Sect i on 05 50 00, METAL FABRI CATI ONS.

E. Sect i on 07 84 00, FI RESTOPPI NG.

F. Sect i on 07 92 00, J OI NT SEALANTS.

G. Sect i on 09 91 00, PAI NTI NG.

H. Sect i on 26 05 11, REQUI REMENTS FOR ELECTRI CAL I NSTALLATI ONS.

I . Sect i on 26 29 11, LOW- VOLTAGE MOTOR STARTERS.

1.3 QUALITY ASSURANCE

A. Mechani cal , el ect r i cal and associ at ed syst ems shal l be saf e, r el i abl e,

ef f i ci ent , dur abl e, easi l y and saf el y oper abl e and mai nt ai nabl e, easi l yand saf el y accessi bl e, and i n compl i ance wi t h appl i cabl e codes as

speci f i ed. The syst ems shal l be compr i sed of hi gh qual i t y i nst i t ut i onal -

cl ass and i ndust r i al - cl ass pr oduct s of manuf act ur er s t hat ar e

exper i enced speci al i st s i n t he r equi r ed pr oduct l i nes. Al l const r uct i on

f i r ms and per sonnel shal l be exper i enced and qual i f i ed speci al i st s i n

i ndust r i al and i nst i t ut i onal HVAC or st eam boi l er pl ant const r uct i on, as

appl i cabl e.

B. Fl ow Rat e Tol erance f or HVAC Equi pment : Sect i on 23 05 93, TESTI NG,

ADJ USTI NG, AND BALANCI NG FOR HVAC.

C. Equi pment Vi br at i on Tol er ance:

1. Ref er t o Sect i on 23 05 41, NOI SE AND VI BRATI ON CONTROL FOR HVAC

PI PI NG AND EQUI PMENT. Equi pment shal l be f act ory- bal anced t o thi s

t ol er ance and r e- bal anced on si t e, as necessary.

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2. Af t er HVAC ai r bal ance work i s compl eted and permanent dr i ve sheaves

ar e i n pl ace, per f orm f i el d mechani cal bal anci ng and adj ust ment s

r equi r ed t o meet t he speci f i ed vi br at i on t ol er ance.

D. Pr oducts Cr i t er i a:

1. St andard Product s: Materi al and equi pment shal l be t he st andard

pr oduct s of a manuf actur er r egul ar l y engaged i n the manuf actur e of

t he pr oduct s f or at l east 3 year s. The desi gn, model and si ze of each

i t em shal l have been i n sat i sf act or y and ef f i ci ent oper at i on on at

l east t hr ee i nst al l at i ons f or appr oxi mat el y t hr ee year s. However ,

di gi t al el ect r oni cs devi ces, sof t war e and systems such as cont r ol s,

i nst r ument s, comput er work st at i on, shal l be t he cur r ent gener at i on

of t echnol ogy and basi c desi gn t hat has a pr oven sat i sf act ory servi ce

r ecor d of at l east t hr ee year s. See ot her speci f i cat i on sect i ons f or

any except i ons.

2. Al l i t ems f ur ni shed shal l be f r ee f r om def ect s t hat woul d adver sel yaf f ect t he per f ormance, mai nt ai nabi l i t y and appear ance of i ndi vi dual

components and over al l assembl y.

3. Conf or m t o codes and standar ds as r equi r ed by t he speci f i cat i ons.

Conf or m t o l ocal codes, i f r equi r ed by l ocal aut hor i t i es such as t he

nat ur al gas suppl i er , i f t he l ocal codes ar e more st r i ngent t hen

t hose speci f i ed. Ref er any conf l i ct s t o t he Cont r act i ng Of f i cer s

Techni cal Represent at i ve ( COTR) .

4. Mul t i pl e Uni t s: When two or more uni t s of mat er i al s or equi pment of

t he same t ype or cl ass are requi r ed, t hese uni t s shal l be pr oduct s of

one manuf act urer .

5. Assembl ed Uni t s: Manuf actur ers of equi pment assembl i es, whi ch use

components made by ot her s, assume compl ete r esponsi bi l i t y f or t he

f i nal assembl ed pr oduct .

6. Namepl ates: Namepl ate bear i ng manuf actur er ' s name or i dent i f i abl e

t r ademar k shal l be secur el y af f i xed i n a conspi cuous pl ace on

equi pment , or name or t r ademark cast i nt egr al l y wi t h equi pment ,

st amped or ot her wi se per manent l y marked on each i t em of equi pment .

7. Asbest os pr oduct s or equi pment or mat er i al s cont ai ni ng asbest os shal l

not be used.E. Equi pment Ser vi ce Or gani zat i ons:

1. HVAC: Product s and syst ems shal l be support ed by servi ce

organi zat i ons t hat mai nt ai n a compl et e i nvent ory of r epai r par t s and

ar e l ocat ed r easonabl y cl ose t o t he si t e.


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F. HVAC Mechani cal Syst ems Wel di ng: Bef ore any wel di ng i s per f ormed,

cont r act or shal l submi t a cer t i f i cat e cer t i f yi ng t hat wel der s compl y

wi t h t he f ol l owi ng r equi r ement s:

1. Qual i f y wel di ng pr ocesses and oper at ors f or pi pi ng accor di ng to ASME

"Boi l er and Pr essure Vessel Code" , Sect i on I X, "Wel di ng and Br azi ng

Qual i f i cat i ons".

2. Compl y wi t h pr ovi si ons of ASME B31 ser i es " Code f or Pressur e Pi pi ng" .

3. Cert i f y t hat each wel der has passed Ameri can Wel di ng Soci ety ( AWS)

qual i f i cat i on tests f or t he wel di ng pr ocesses i nvol ved, and t hat

cert i f i cat i on i s curr ent .

G. Execut i on ( I nst al l at i on, Const r ucti on) Qual i t y:

1. Appl y and i nst al l al l i t ems i n accor dance wi t h manuf act ur er ' s wr i t t en

i nst r uct i ons. Ref er conf l i ct s bet ween t he manuf act ur er ' s i nst r uct i ons

and the cont r act dr awi ngs and speci f i cat i ons t o t he COTR f or

r esol ut i on. Pr ovi de wr i t t en har d copi es or comput er f i l es ofmanuf act ur er s i nst al l at i on i nst r uct i ons t o t he COTR at l east t wo

weeks pr i or t o commenci ng i nst al l at i on of any i t em. I nst al l at i on of

t he i t em wi l l not be al l owed t o pr oceed unt i l t he r ecommendat i ons are

r ecei ved. Fai l ur e t o f ur ni sh t hese r ecommendat i ons i s a cause f or

r ej ecti on of t he mat er i al .

2. Al l i t ems t hat r equi r e access, such as f or oper at i ng, cl eani ng,

ser vi ci ng, mai nt enance, and cal i br at i on, shal l be easi l y and saf el y

accessi bl e by per sons st andi ng at f l oor l evel , or wi t h t he use of

port abl e l adder s. Exampl es of t hese i t ems i ncl ude, but ar e not

l i mi t ed t o: al l t ypes of val ves, f i l t ers and str ai ners, t ransmi t t ers,

cont r ol devi ces. Pr i or t o commenci ng i nst al l at i on wor k, ref er

conf l i ct s bet ween t hi s r equi r ement and cont r act dr awi ngs t o the COTR

f or resol ut i on.

3. Pr ovi de compl ete l ayout drawi ngs r equi r ed by Paragr aph, SUBMI TTALS.

Do not commence const r uct i on work on any syst em unt i l t he l ayout

drawi ngs have been appr oved.

1.4 SUBMITTALS

A. Submi t i n accor dance wi t h Sect i on 01 33 23, SHOP DRAWI NGS, PRODUCT DATA,

AND SAMPLES, and wi t h requi r ement s i n the i ndi vi dual speci f i cat i onsecti ons.

B. Cont r actor shal l make al l necessary f i el d measurement s and

i nvest i gat i ons t o assure t hat t he equi pment and assembl i es wi l l meet

cont r act r equi r ement s.

C. I f equi pment i s submi t t ed whi ch di f f er s i n ar r angement f r om t hat shown,

provi de drawi ngs t hat show t he rearr angement of al l associ ated syst ems.


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Appr oval wi l l be gi ven onl y i f al l f eat ur es of t he equi pment and

associ at ed syst ems, i ncl udi ng accessi bi l i t y, ar e equi val ent t o t hat

r equi r ed by the cont r act .

D. Pr i or t o submi t t i ng shop dr awi ngs f or appr oval , cont r act or shal l cer t i f y

i n wr i t i ng that manuf act ur er s of al l maj or i t ems of equi pment have each

r evi ewed dr awi ngs and speci f i cat i ons, and have j oi nt l y coordi nat ed and

pr oper l y i nt egr at ed thei r equi pment and cont r ol s t o pr ovi de a compl et e

and ef f i ci ent i nstal l at i on.

E. Upon r equest by Gover nment , pr ovi de l i st s of pr evi ous i nst al l at i ons f or

sel ect ed i t ems of equi pment . I ncl ude cont act persons who wi l l serve as

r ef erences, wi t h tel ephone numbers and e- mai l addresses.

F. Submi t t al s and shop dr awi ngs f or i nt er dependent i t ems, cont ai ni ng

appl i cabl e descr i pt i ve i nf ormat i on, shal l be f ur ni shed t oget her and

compl ete i n a gr oup. Coor di nat e and pr oper l y i nt egr at e mater i al s and

equi pment i n each gr oup t o pr ovi de a compl etel y compat i bl e and ef f i ci enti nst al l at i on. Fi nal r evi ew and appr oval s wi l l be made onl y by gr oups.

G. Layout Dr awi ngs:

1. Submi t compl et e consol i dated and coor di nated l ayout dr awi ngs f or al l

new syst ems, and f or exi st i ng syst ems t hat are i n the same ar eas.

2. The dr awi ngs shal l i ncl ude pl an vi ews, el evat i ons and sect i ons of al l

syst ems and shal l be on a scal e of not l ess t han 1: 32 ( 3/ 8- i nch equal

t o one f oot ) . Cl ear l y i dent i f y and di mensi on t he pr oposed l ocat i ons

of t he pr i nci pal i t ems of equi pment . The dr awi ngs shal l cl ear l y show

l ocat i ons and adequat e cl ear ance f or al l equi pment , pi pi ng, val ves,

cont r ol panel s and other i t ems. Show t he access means f or al l i t ems

r equi r i ng access f or oper at i ons and mai nt enance. Provi de det ai l ed

l ayout dr awi ngs of al l pi pi ng and duct syst ems.

3. Do not i nst al l equi pment f oundat i ons, equi pment or pi pi ng unt i l

l ayout drawi ngs have been approved.

4. I n addi t i on, f or HVAC syst ems, pr ovi de det ai l s of t he f ol l owi ng:

a. Mechani cal equi pment r ooms.

b. Hanger s, i nser t s, suppor t s, and br aci ng.

c. Pi pe sl eeves.

d. Duct or equi pment penet r at i ons of f l oor s, wal l s, cei l i ngs, orroof s .

H. Manuf act ur er' s Li t er at ur e and Dat a: Submi t under t he per t i nent sect i on

r at her t han under t hi s sect i on.

1. Submi t bel t dr i ve wi t h the dr i ven equi pment . Submi t sel ect i on dat a

f or speci f i c dr i ves when r equest ed by the COTR.


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2. Submi t el ect r i c motor dat a and var i abl e speed dr i ve data wi t h the

dr i ven equi pment .

3. Equi pment and mat er i al s i dent i f i cat i on.

4. Fi r e- st oppi ng mat er i al s.

5. Hanger s, i nser t s, suppor t s and br aci ng. Pr ovi de l oad cal cul at i ons f or

var i abl e spr i ng and const ant support hanger s.

6. Wal l , f l oor, and cei l i ng pl at es.

I . HVAC Mai nt enance Data and Operat i ng I nst r uct i ons:

1. Mai ntenance and operat i ng manual s i n accor dance wi t h Sect i on 01 00

00, GENERAL REQUI REMENTS, Ar t i cl e, I NSTRUCTI ONS, f or syst ems and

equi pment .

2. Provi de a l i st i ng of r ecommended r epl acement part s f or keepi ng i n

st ock suppl y, i ncl udi ng sour ces of suppl y, f or equi pment . I ncl ude i n

t he l i st i ng bel t s f or equi pment : Bel t manuf act ur er , model number ,

si ze and st yl e, and di st i ngui shed whet her of mul t i pl e bel t set s.1.5 APPLICABLE PUBLICATIONS

A. The publ i cat i ons l i st ed bel ow f or m a par t of t hi s speci f i cat i on t o the

ext ent r ef er enced. The publ i cat i ons ar e r ef er enced i n t he t ext by t he

basi c desi gnat i on onl y.

B. Ai r Condi t i oni ng and Ref r i ger at i on I nst i t ut e ( ARI ) :

430- 99. . . . . . . . . . . . . . . . . . Centr al Stat i on Ai r - Handl i ng Uni ts

C. Amer i can Nat i onal St andar d I nst i t ut e ( ANSI ) :

B31. 1- 2004. . . . . . . . . . . . . . Power Pi pi ng

D. Rubber Manuf acturer s Associ at i on ( ANSI / RMA) :

I P- 20- 2007. . . . . . . . . . . . . . Dri ves Usi ng Cl assi cal V- Bel t s and Sheaves

I P- 21- 1991( 1997) . . . . . . . . Dr i ves Usi ng Doubl e- V ( Hexagonal ) Bel t s

I P- 22- 2007. . . . . . . . . . . . . . Dr i ves Usi ng Nar r ow V- Bel t s and Sheaves

E. Ai r Movement and Cont r ol Associ at i on ( AMCA) :

410- 96. . . . . . . . . . . . . . . . . . Recommended Saf et y Pr acti ces f or Ai r Movi ng

Devi ces

F. Ameri can Soci ety of Mechani cal Engi neer s ( ASME) :

Boi l er and Pressur e Vessel Code ( BPVC) :

Secti on I X- 2007. . . . . . . . . Wel di ng and Br azi ng Qual i f i cat i ons

Code f or Pr essur e Pi pi ng:B31. 1- 2004. . . . . . . . . . . . . . Power Pi pi ng, wi t h Amendment s

G. Amer i can Soci et y f or Test i ng and Mater i al s ( ASTM) :

A36/ A36M- 05. . . . . . . . . . . . . Carbon St ruct ural St eel

A575- 96( 2002) . . . . . . . . . . . St eel Bar s, Car bon, Mer chant Qual i t y, M- Gr ades R

( 2002)


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E84- 07. . . . . . . . . . . . . . . . . . St andard Test Met hod f or Burni ng Charact eri st i cs

of Bui l di ng Mat er i al s

E119- 07. . . . . . . . . . . . . . . . . St andard Test Met hod f or Fi re Tests of Bui l di ng

Const r uct i on and Mat er i al s

H. Manuf act ur ers St andar di zat i on Soci et y ( MSS) of t he Val ve and Fi t t i ngs

I ndustr y, I nc:

SP- 58- 2002. . . . . . . . . . . . . . Pi pe Hanger s and Suppor t s- Mat er i al s, Desi gn and

Manuf act ure

SP 69- 2003. . . . . . . . . . . . . . Pi pe Hanger s and Suppor t s- Sel ect i on and

Appl i cat i on

I . Nat i onal El ect r i cal Manuf act ur er s Associ at i on (NEMA) :

MG- 1- 2006. . . . . . . . . . . . . . . Mot or s and Gener at or s

J . Nat i onal Fi r e Pr ot ect i on Associ at i on ( NFPA) :

70- 08. . . . . . . . . . . . . . . . . . . Nat i onal El ect r i cal Code

90A- 02. . . . . . . . . . . . . . . . . . I ns tal l at i on of Ai r Condi t i oni ng and Vent i l at i ngSyst ems

101- 06. . . . . . . . . . . . . . . . . . Li f e Saf ety Code

1.6 DELIVERY, STORAGE AND HANDLING

A. Prot ect i on of Equi pment :

1. Equi pment and mat er i al pl aced on the j ob si t e shal l r emai n i n the

cust ody of t he Cont r act or unt i l phased accept ance, whet her or not t he

Government has r ei mbur sed the Contr act or f or t he equi pment and

mat er i al . The Cont r act or i s sol el y r esponsi bl e f or t he pr ot ect i on of

such equi pment and mat er i al agai nst any damage.

2. Pl ace damaged equi pment i n f i r st cl ass, new oper at i ng condi t i on; or,

r epl ace same as determi ned and di r ect ed by the COTR. Such repai r or

r epl acement shal l be at no addi t i onal cost t o t he Gover nment .

3. Prot ect i nt eri ors of new equi pment and pi pi ng syst ems agai nst ent r y

of f or ei gn mat t er . Cl ean bot h i nsi de and out si de bef or e pai nt i ng or

pl aci ng equi pment i n oper at i on.

4. Exi st i ng equi pment and pi pi ng bei ng worked on by the Cont r actor shal l

be under t he cust ody and r esponsi bi l i t y of t he Cont r act or and shal l

be pr otected as requi r ed f or new work.

B. Cl eanl i ness of Pi pi ng and Equi pment Syst ems:1. Exer ci se care i n st orage and handl i ng of equi pment and pi pi ng

mat er i al t o be i ncor porat ed i n t he work. Remove debr i s ar i si ng f r om

cut t i ng, t hr eadi ng and wel di ng of pi pi ng.

2. Pi pi ng syst ems shal l be f l ushed, bl own or pi gged as necessary t o

del i ver cl ean syst ems.


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3. Cl ean i nt er i or of al l t anks pr i or t o del i ver y f or benef i ci al use by

t he Government .

4. Cont r act or shal l be f ul l y r esponsi bl e f or al l cost s, damage, and

del ay ar i si ng f r om f ai l ur e t o pr ovi de cl ean syst ems.

PART 2 - PRODUCTS

2.1 FACTORY-ASSEMBLED PRODUCTS

A. Provi de maxi mum st andardi zat i on of component s t o r educe spar e part

r equi r ement s.

B. Manuf act urers of equi pment assembl i es t hat i ncl ude components made by

other s shal l assume compl et e r esponsi bi l i t y f or f i nal assembl ed uni t .

1. Al l components of an assembl ed uni t need not be product s of same

manuf actur er.

2. Const i t uent par t s t hat ar e al i ke shal l be pr oduct s of a si ngl e

manuf actur er.

3. Component s shal l be compat i bl e wi t h each other and wi t h the t otalassembl y f or i nt ended servi ce.

4. Cont r actor shal l guar ant ee perf ormance of assembl i es of component s,

and shal l r epai r or r epl ace el ement s of t he assembl i es as requi r ed t o

del i ver speci f i ed per f ormance of t he compl et e assembl y.

C. Components of equi pment shal l bear manuf act urer ' s name and t r ademark,

model number, ser i al number and perf or mance dat a on a name pl at e

secur el y af f i xed i n a conspi cuous pl ace, or cast i nt egr al wi t h, st amped

or ot her wi se permanent l y marked upon the component s of t he equi pment .

D. Maj or i t ems of equi pment , whi ch serve the same f unct i on, must be t he

same make and model . Except i ons wi l l be per mi t t ed i f per f ormance

r equi r ement s cannot be met .

2.2 COMPATIBILITY OF RELATED EQUIPMENT

Equi pment and mat er i al s i nst al l ed shal l be compat i bl e i n al l r espect s

wi t h other i t ems bei ng f ur ni shed and wi t h exi st i ng i t ems so that t he

r esul t wi l l be a compl et e and f ul l y oper at i onal pl ant t hat conf or ms t o

cont r act r equi r ement s.

2.3 BELT DRIVES

A. Type: ANSI / RMA st andard V- bel t s wi t h pr oper motor pul l ey and dr i ven

sheave. Bel t s shal l be const r uct ed of r ei nf orced cor d and r ubber .

B. Di mensi ons, r at i ng and sel ect i on st andar ds: ANSI / RMA I P- 20 and I P- 21.

C. Mi ni mum Hor sepower Rat i ng: Mot or horsepower pl us r ecommended ANSI / RMA

ser vi ce f act or ( not l ess t han 20 per cent ) i n addi t i on t o the ANSI / RMA

al l owances f or pi t ch di amet er , cent er di st ance, and ar c of cont act .

D. Maxi mumSpeed: 25 m/ s ( 5000 f eet per mi nut e) .


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E. Adj ust ment Provi si ons: For al i gnment and ANSI / RMA st andard al l owances

f or i nst al l at i on and t ake- up.

F. Dr i ves may ut i l i ze a si ngl e V- Bel t ( any cr oss sect i on) when i t i s t he

manuf act ur er' s st andar d.

G. Mul t i pl e Bel t s: Matched t o ANSI / RMA speci f i ed l i mi t s by measurement on a

bel t measuri ng f i xtur e. Seal mat ched set s t oget her t o pr event mi xi ng or

par t i al l oss of set s. Repl acement , when necessar y, shal l be an ent i r e

set of new matched bel t s.

H. Sheaves and Pul l eys:

1. Mat er i al : Pr essed st eel , or cl ose gr ai ned cast i r on.

2. Bor e: Fi xed or bushi ng t ype f or secur i ng t o shaf t wi t h keys.

3. Bal anced: St at i cal l y and dynami cal l y.

4. Gr oove spaci ng f or dr i vi ng and dr i ven pul l eys shal l be t he same.

5. Mi ni mum Di ameter of V- Bel t Sheaves ( ANSI / RMA r ecommendat i ons) i n

mi l l i met er s and i nches:

Fr acti onalHor sepower

Standar d Hi gh Capaci t y

Cr ossSect i on

Mi n. odmm ( i n)

Cr ossSect i on

Mi n. odmm ( i n)

Cr ossSect i on

Mi n. odmm ( i n)

2L 20 ( 0. 8) A 83 ( 3. 25) 3V 67 ( 2. 65)

3L 38 ( 1. 5) B 146 ( 5. 75) 4V 180 ( 7. 10)

4L 64 ( 2. 5) C 239 ( 9. 40) 5V 318 ( 12. 50)

5L 89 ( 3. 5) D 345 ( 13. 60)

E 554 ( 21. 80)

I . Dr i ve Types, Based on ARI 435:

1. Pr ovi de adj ust abl e- pi t ch or f i xed- pi t ch dr i ve as f ol l ows:

a. Fan speeds up to 1800 RPM: 7. 5 kW ( 10 hor sepower ) and smal l er .

b. Fan speeds over 1800 RPM: 2. 2 kW ( 3 hor sepower) and smal l er .

2. Pr ovi de f i xed- pi t ch dr i ves f or dr i ves l ar ger t han t hose l i st ed above.

3. The f i nal f an speeds r equi r ed t o j ust meet t he syst em CFM and

pr essur e requi r ement s, wi t hout t hr ot t l i ng, shal l be det er mi ned by

adj ust ment of a t emporary adj ust abl e- pi t ch mot or sheave or by f an l awcal cul at i on i f a f i xed- pi t ch dr i ve i s used i ni t i al l y.

2.4 DRIVE GUARDS

A. For machi ner y and equi pment , provi de guards as shown i n AMCA 410 f or

bel t s, chai ns, coupl i ngs, pul l eys, sheaves, shaf t s, gear s and ot her

movi ng part s r egardl ess of hei ght above the f l oor t o pr event damage to

equi pment and i nj ury t o personnel . Dr i ve guar ds may be excl uded wher e


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mot or s and dr i ves ar e i nsi de f act or y f abr i cat ed ai r handl i ng uni t

casi ngs.

B. Pump shaf t s and coupl i ngs shal l be f ul l y guarded by a sheet st eel guar d,

cover i ng coupl i ng and shaf t but not bear i ngs. Mat er i al shal l be mi ni mum

16- gage sheet st eel ; ends shal l be br aked and dr i l l ed and at t ached t o

pump base wi t h mi ni mum of f our 6 mm ( 1/ 4- i nch) bol t s. Rei nf orce guard as

necessary t o pr event si de pl ay f orci ng guar d ont o coupl i ngs.

C. V- bel t and sheave assembl i es shal l be t otal l y encl osed, f i r ml y mount ed,

non- r esonant . Guard shal l be an assembl y of mi ni mum 22- gage sheet st eel

and expanded or per f orated metal t o permi t observat i on of bel t s. 25 mm

( one- i nch) di amet er hol e shal l be pr ovi ded at each shaf t cent er l i ne t o

permi t speed measur ement .

D. Mat er i al s: Sheet st eel , cast i r on, expanded met al or wi r e mesh ri gi dl y

secur ed so as t o be r emovabl e wi t hout di sassembl i ng pi pe, duct , or

el ect r i cal connect i ons t o equi pment .E. Access f or Speed Measurement : 25 mm ( One i nch) di ameter hol e at each

shaf t cent er .

2.5 LIFTING ATTACHMENTS

Provi de equi pment wi t h sui t abl e l i f t i ng at t achment s t o enabl e equi pment

t o be l i f t ed i n i t s nor mal posi t i on. Li f t i ng at t achment s shal l wi t hst and

any handl i ng condi t i ons t hat mi ght be encount ered, wi t hout bendi ng or

di st or t i on of shape, such as r api d l ower i ng and br aki ng of l oad.

2.6 ELECTRIC MOTORS

A. Al l mat er i al and equi pment f ur ni shed and i nst al l at i on met hods shal l

conf orm t o t he r equi r ement s of Sect i on 23 05 12, GENERAL MOTOR

REQUI REMENTS FOR HVAC AND STEAM GENERATI ON EQUI PMENT; Sect i on 26 29 11,

LOW- VOLTAGE MOTOR STARTERS; and, Sect i on 26 05 21, LOW- VOLTAGE

ELECTRI CAL POWER CONDUCTORS AND CABLES ( 600 VOLTS AND BELOW) . Pr ovi de

al l el ect r i cal wi r i ng, condui t , and devi ces necessar y f or t he pr oper

connect i on, pr otect i on and oper at i on of t he syst ems. Pr ovi de speci al

ener gy ef f i ci ent motor s as schedul ed. Unl ess other wi se speci f i ed f or a

par t i cul ar appl i cat i on use el ect r i c mot or s wi t h t he f ol l owi ng

r equi r ement s.

B. Si ngl e- phase Mot or s: Capaci t or - st ar t t ype f or har d st ar t i ng

appl i cat i ons. Motors f or cent r i f ugal f ans and pumps may be spl i t phase

or per manent spl i t capaci t or ( PSC) .

C. Pol y- phase Motors : NEMA Desi gn B, Squi r r el cage, i nduct i on t ype. Each

t wo- speed motor shal l have two separat e wi ndi ngs. Provi de a t i me- del ay

( 20 seconds mi ni mum) r el ay f or swi t chi ng f r omhi gh to l ow speed.


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D. Rat i ng: Cont i nuous dut y at 100 percent capaci t y i n an ambi ent

t emper ature of 40 degrees cent i grade (104 degrees F) ; mi ni mumhor sepower

as shown on dr awi ngs; maxi mum hor sepower i n normal operat i on not t o

exceed namepl at e r at i ng wi t hout servi ce f act or.

E. Speci al Requi r ement s:

1. Wher e mot or power r equi r ement s of equi pment f urni shed devi at e f r om

power shown on pl ans, pr ovi de el ect r i cal servi ce desi gned under t he

r equi r ement s of NFPA 70 wi t hout addi t i onal t i me or cost t o t he

Government .

2. Assembl i es of mot or s, st ar t er s, cont r ol s and i nt er l ocks on f act or y

assembl ed and wi r ed devi ces shal l be i n accordance wi t h t he

r equi r ement s of t hi s speci f i cat i on.

3. Wi r e and cabl e mat er i al s speci f i ed i n t he el ect r i cal di vi si on of t he

speci f i cat i ons shal l be modi f i ed as f ol l ows:

a. Wi r i ng mat er i al l ocated wher e t emper at ures can exceed 71 degrees C( 160 degr ees F) shal l be st r anded copper wi t h Tef l on FEP

i nsul at i on wi t h j acket .

b. Ot her wi r i ng at boi l er s and t o cont r ol panel s shal l be NFPA 70

desi gnat i on THWN.

c. Pr ovi de shi el ded conduct or s or wi r i ng i n separ at e condui t s f or al l

i nst r ument at i on and cont r ol syst ems wher e recommended by

manuf act urer of equi pment .

4. Sel ect motor si zes so t hat t he motors do not oper at e i nt o t he servi ce

f actor at maxi mum r equi r ed l oads on t he dr i ven equi pment . Motors on

pumps shal l be si zed f or non- overl oadi ng at al l poi nt s on the pump

perf ormance curves.

5. Mot or s ut i l i zed wi t h var i abl e f r equency dr i ves shal l be r at ed

i nver t er- r eady per NEMA St andar d, MG1, Par t 31. 4. 4. 2. Provi de

mot or shaf t gr oundi ng appar at us t hat wi l l pr ot ect bear i ngs f r om

damage f r omst r ay cur r ent s.

F. Motor Ef f i ci ency and Power Fact or: Al l motors , when speci f i ed as hi gh

ef f i ci ency by t he pr oj ect speci f i cat i ons on dr i ven equi pment , shal l

conf orm t o ef f i ci ency and power f act or r equi r ement s i n Sect i on 23 05 12,

GENERAL MOTOR REQUI REMENTS FOR HVAC AND STEAM GENERATI ON EQUI PMENT, wi t hno consi der at i on of annual servi ce hour s. Motor manuf act ur ers gener al l y

def i ne these ef f i ci ency requi r ement s as NEMA pr emi um ef f i ci ent and the

r equi r ement s general l y exceed t hose of t he Energy Pol i cy Act of 1992

( EPACT). Mot or s not speci f i ed as hi gh ef f i ci ency shal l compl y wi t h

EPACT.

Fi nal Submi ss i on 23 05 11 - 10

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G. I nsul at i on Resi st ance: Not l ess t han one- hal f meg- ohm bet ween st at or

conduct ors and f r ame, t o be deter mi ned at t he t i me of f i nal i nspect i on.

2.7 VARIABLE SPEED MOTOR CONTROLLERS

A. Ref er t o Sect i on 26 05 11, REQUI REMENTS FOR ELECTRI CAL I NSTALLATI ONS and

Sect i on 26 29 11, LOW- VOLTAGE MOTOR STARTERS f or speci f i cat i ons.

B. The combi nat i on of cont r ol l er and motor shal l be pr ovi ded by t he

manuf act urer of t he dr i ven equi pment , such as pumps and f ans, and shal l

be rat ed f or 100 percent out put per f ormance. Mul t i pl e uni t s of t he same

cl ass of equi pment , i . e. ai r handl er s, f ans, pumps, shal l be pr oduct of

a si ngl e manuf act ur er.

C. Motors shal l be energy ef f i ci ent t ype and be appr oved by t he motor

cont r ol l er manuf act ur er . The cont r ol l er - mot or combi nat i on shal l be

guaranteed t o pr ovi de f ul l motor namepl ate horsepower i n var i abl e

f r equency oper at i on. Both dr i vi ng and dr i ven motor/ f an sheaves shal l be

f i xed pi t ch.D. Cont r ol l er shal l not add any cur r ent or vol t age t r ansi ent s t o t he i nput

AC power di st r i but i on syst em, DDC cont r ol s, sensi t i ve medi cal equi pment ,

etc. , nor shal l be af f ect ed f r omother devi ces on t he AC power syst em.

2.8 EQUIPMENT AND MATERIALS IDENTIFICATION

A. Use symbol s, nomencl at ure and equi pment number s speci f i ed, shown on the

dr awi ngs and shown i n the mai nt enance manual s. I dent i f i cat i on f or pi pi ng

i s speci f i ed i n Sect i on 09 91 00, PAI NTI NG.

B. I nt er i or ( I ndoor ) Equi pment : Engr aved namepl at es, wi t h l et t er s not l ess

t han 48 mm ( 3/ 16- i nch) hi gh of br ass wi t h bl ack- f i l l ed l et t er s, or r i gi d

bl ack pl ast i c wi t h whi t e l et t er s speci f i ed i n Sect i on 09 91 00, PAI NTI NG

per manent l y f ast ened t o t he equi pment . I dent i f y uni t component s such as

coi l s, f i l t er s, f ans, et c .

C. Ext eri or ( Out door ) Equi pment : Br ass namepl ates, wi t h engr aved bl ack

f i l l ed l et t er s, not l ess t han 48 mm ( 3/ 16- i nch) hi gh r i vet ed or bol t ed

t o t he equi pment .

D. Cont r ol I t ems: Label al l t emper at ur e and humi di t y sensor s, cont r ol l er s

and cont r ol damper s. I dent i f y and l abel each i t em as t hey appear on t he

cont r ol di agr ams.

E. Val ve Tags and Li st s:

1. HVAC: Provi de f or al l val ves ot her t han f or equi pment i n Sect i on 23

82 00, CONVECTI ON HEATI NG AND COOLI NG UNI TS.

2. Val ve t ags: Engr aved bl ack f i l l ed number s and l et t ers not l ess t han

13 mm ( 1/ 2- i nch) hi gh f or number desi gnat i on, and not l ess t han 6. 4

mm( 1/ 4- i nch) f or servi ce desi gnat i on on 19 gage 38 mm ( 1- 1/ 2 i nches)

r ound br ass di sc, at t ached wi t h br ass " S" hook or br ass chai n.


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3. Val ve l i st s: Typed or pr i nt ed pl ast i c coat ed car d( s) , si zed 216

mm( 8- 1/ 2 i nches) by 280 mm ( 11 i nches) showi ng t ag number , val ve

f unct i on and ar ea of cont r ol , f or each servi ce or syst em. Punch

sheet s f or a 3- r i ng notebook.

4. Provi de det ai l ed pl an f or each f l oor of t he bui l di ng i ndi cat i ng t he

l ocat i on and val ve number f or each val ve. I dent i f y l ocat i on of each

val ve wi t h a col or coded t humb t ack i n cei l i ng.

2.9 FIRESTOPPING

Sect i on 07 84 00, FI RESTOPPI NG speci f i es an ef f ect i ve bar r i er agai nst

t he spr ead of f i r e, smoke and gases wher e penet r at i ons occur f or pi pi ng

and duct wor k. Ref er t o Sect i on 23 07 11, HVAC, PLUMBI NG, AND BOI LER

PLANT I NSULATI ON, f or f i r est op pi pe and duct i nsul at i on.

2.10 GALVANIZED REPAIR COMPOUND

Mi l . Spec. DOD- P- 21035B, pai nt f orm.

2.11 HVAC PIPE AND EQUIPMENT SUPPORTS AND RESTRAINTS

A. Vi br at i on I sol ators: Ref er t o Sect i on 23 05 41, NOI SE AND VI BRATI ON

CONTROL FOR HVAC PI PI NG AND EQUI PMENT.

B. Suppor t s f or Roof Mount ed I t ems:

1. Equi pment : Equi pment r ai l s shal l be gal vani zed st eel , mi ni mum 1. 3 mm

( 18 gauge) , wi t h i nt egr al basepl at e, cont i nuous wel ded corner seams,

f act ory i nst al l ed 50 mm by 100 mm ( 2 by 4) t r eat ed wood nai l er , 1. 3

mm ( 18 gauge) gal vani zed st eel count er f l ashi ng cap wi t h scr ews,

bui l t - i n cant st r i p, ( except f or gypsum or t ectum deck) , mi ni mum

hei ght 280 mm ( 11 i nches) . For sur f ace i nsul at ed r oof deck, pr ovi de

r ai sed cant st r i p t o st ar t at t he upper surf ace of t he i nsul at i on.

2. Pi pe/ duct pedestal s: Provi de a gal vani zed Uni st r ut channel wel ded t o

U- shaped mount i ng br ackets whi ch are secur ed t o si de of r ai l wi t h

gal vani zed l ag bol t s.

C. Pi pe Suppor t s: Compl y wi t h MSS SP- 58. Type Numbers speci f i ed r ef er t o

t hi s st andar d. For sel ect i on and appl i cat i on compl y wi t h MSS SP- 69.

Ref er t o Sect i on 05 50 00, METAL FABRI CATI ONS, f or mi scel l aneous metal

support mat er i al s and pr i me coat pai nt i ng requi r ement s.

D. At t achment t o Concr ete Bui l di ng Const r uct i on:

1. Concr et e i nsert : MSS SP- 58, Type 18.

2. Sel f - dr i l l i ng expansi on shi el ds and machi ne bol t expansi on anchor s:

Per mi t t ed i n concr et e not l ess t han 102 mm ( f our i nches) t hi ck when

approved by t he COTR f or each j ob condi t i on.

3. Power - dr i ven f ast ener s: Per mi t t ed i n exi st i ng concr et e or masonr y not

l ess t han 102 mm ( f our i nches) t hi ck when appr oved by t he COTR f or

each j ob condi t i on.


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F. At t achment t o St eel Bui l di ng Const r uct i on:

1. Wel ded at t achment : MSS SP- 58, Type 22.

2. Beam cl amps: MSS SP- 58, Types 20, 21, 28 or 29. Type 23 C- cl amp may

be used f or i ndi vi dual copper t ubi ng up to 23 mm ( 7/ 8- i nch) out si de

di amet er .

G. At t achment t o Wood Const r uct i on: Wood scr ews or l ag bol t s.

H. Hanger Rods: Hot- r ol l ed st eel , ASTM A36 or A575 f or al l owabl e l oad

l i st ed i n MSS SP- 58. For pi pi ng, pr ovi de adj ust ment means f or

cont r ol l i ng l evel or sl ope. Types 13 or 15 t ur n- buckl es shal l pr ovi de 38

mm ( 1- 1/ 2 i nches) mi ni mum of adj ust ment and i ncor por at e l ocknut s.

Al l - t hr ead r ods ar e accept abl e.

I . Hanger s Support i ng Mul t i pl e Pi pes ( Trapeze Hanger s) : Gal vani zed, col d

f ormed, l i pped st eel channel hor i zont al member, not l ess t han 41 mm by

41 mm ( 1- 5/ 8 i nches by 1- 5/ 8 i nches), 2. 7 mm ( No. 12 gage) , desi gned t o

accept speci al spr i ng hel d, har dened st eel nut s. Not per mi t t ed f or st eamsuppl y and condensat e pi pi ng.

1. Al l owabl e hanger l oad: Manuf act ur er s r at i ng l ess 91kg ( 200 pounds) .

2. Gui de i ndi vi dual pi pes on t he hori zont al member of ever y ot her

t r apeze hanger wi t h 6 mm ( 1/ 4- i nch) U- bol t f abr i cat ed f r om st eel r od.

Provi de Type 40 i nsul at i on shi el d, secur ed by t wo 13 mm ( 1/ 2- i nch)

gal vani zed st eel bands, or pr ei nsul at ed cal ci um si l i cat e shi el d f or

i nsul at ed pi pi ng at each hanger .

J . Suppor t s f or Pi pi ng Syst ems:

1. Sel ect hanger s si zed to enci r cl e i nsul at i on on i nsul at ed pi pi ng.

Ref er t o Sect i on 23 07 11, HVAC, PLUMBI NG, AND BOI LER PLANT

I NSULATI ON f or i nsul at i on thi ckness. To pr ot ect i nsul at i on, pr ovi de

Type 39 saddl es f or r ol l er t ype support s or prei nsul at ed cal ci um

si l i cat e shi el ds. Pr ovi de Type 40 i nsul at i on shi el d or prei nsul at ed

cal ci um si l i cat e shi el d at al l ot her t ypes of suppor t s and hanger s

i ncl udi ng t hose f or prei nsul at ed pi pi ng.

2. Pi pi ng Syst ems except Hi gh and Medi um Pressur e St eam ( MSS SP- 58) :

a. St andar d cl evi s hanger : Type 1; pr ovi de l ocknut .

b. Ri ser cl amps: Type 8.

c. Wal l br acket s: Types 31, 32 or 33.d. Rol l er support s: Type 41, 43, 44 and 46.

e. Saddl e support : Type 36, 37 or 38.

f . Tur nbuckl e: Types 13 or 15. Prei nsul at e.

g. U- bol t cl amp: Type 24.

h. Copper Tube:


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1) Hangers, cl amps and ot her support materi al i n cont act wi t h

t ubi ng shal l be pai nt ed wi t h copper col ored epoxy pai nt ,

pl ast i c coat ed or t aped wi t h non adhesi ve i sol at i on t ape to

pr event el ectr ol ysi s.

2) For ver t i cal r uns use epoxy pai nt ed or pl ast i c coat ed r i ser

cl amps.

3) For suppor t i ng tube t o st r ut : Pr ovi de epoxy pai nt ed pi pe st r aps

f or copper t ube or pl ast i c i nser t ed vi br at i on i sol at i on cl amps.

4) I nsul at ed Li nes: Pr ovi de pr e- i nsul at ed cal ci um si l i cat e shi el ds

si zed f or copper t ube.

i . Support s f or pl ast i c or gl ass pi pi ng: As r ecommended by t he pi pe

manuf act urer wi t h bl ack rubber t ape ext endi ng one i nch beyond

st eel suppor t or cl amp.

3. Hi gh and Medi um Pressur e St eam ( MSS SP- 58) :

a. Provi de eye r od or Type 17 eye nut near t he upper at t achment .b. Pi pi ng 50 mm ( 2 i nches) and l ar ger : Type 43 rol l er hanger .

c. Pi pi ng wi t h Ver t i cal Expansi on and Cont r act i on:

1) Movement up to 20 mm ( 3/ 4- i nch) : Type 51 or 52 vari abl e spr i ng

uni t wi t h i nt egr al t ur n buckl e and l oad i ndi cat or .

2) Movement more t han 20 mm ( 3/ 4- i nch) : Type 54 or 55 const ant

suppor t uni t wi t h i nt egr al adj ust i ng nut , t ur n buckl e and

t r avel posi t i on i ndi cat or.

4. Conver t or and Expansi on Tank Hanger s: May be Type 1 si zed f or t he

shel l di amet er . I nsul at i on wher e r equi r ed wi l l cover t he hanger s.

K. Pre- i nsul at ed Cal ci um Si l i cat e Shi el ds:

1. Provi de 360 degr ee wat er r esi st ant hi gh densi t y 965 kPa ( 140 psi )

compr essi ve st r engt h cal ci um si l i cat e shi el ds encased i n gal vani zed

met al .

2. Pre- i nsul at ed cal ci um si l i cat e shi el ds t o be i nstal l ed at t he poi nt

of suppor t dur i ng er ect i on.

3. Shi el d t hi ckness shal l mat ch t he pi pe i nsul at i on.

4. The t ype of shi el d i s sel ect ed by the t emper at ur e of t he pi pe, t he

l oad i t must car r y, and t he t ype of suppor t i t wi l l be used wi t h.

a. Shi el ds f or suppor t i ng chi l l ed or col d wat er shal l have i nsul at i ont hat extends a mi ni mum of 1 i nch past t he sheet met al . Provi de f or

an adequat e vapor bar r i er i n chi l l ed l i nes.

b. The pre- i nsul at ed cal ci um si l i cat e shi el d shal l support t he

maxi mum al l owabl e water f i l l ed span as i ndi cat ed i n MSS- SP 69. To

suppor t t he l oad, t he shi el ds may have one or more of t he

f ol l owi ng f eat ur es: st r uct ur al i nser t s 4138 kPa ( 600 psi )


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compr essi ve st r engt h, an extr a bot t om met al shi el d, or f ormed

st r uct ur al st eel ( ASTM A36) wear pl at es wel ded to t he bot t om sheet

met al j acket .

5. Shi el ds may be used on st eel cl evi s hanger t ype support s, r ol l ersuppor t s or f l at sur f aces.

2.12 PIPE PENETRATIONS

A. I nst al l sl eeves dur i ng const r uct i on f or ot her t han bl ocked out f l oor

openi ngs f or r i ser s i n mechani cal bays.

B. To pr event acci dent al l i qui d spi l l s f r om passi ng t o a l ower l evel ,

pr ovi de t he f ol l owi ng:

1. For sl eeves: Ext end sl eeve 25 mm ( one i nch) above f i ni shed f l oor and

pr ovi de seal ant f or wat er t i ght j oi nt .

2. For bl ocked out f l oor openi ngs: Pr ovi de 40 mm ( 1- 1/ 2 i nch) angl e set

i n si l i cone adhesi ve around openi ng.

3. For dr i l l ed penet r at i ons: Pr ovi de 40 mm ( 1- 1/ 2 i nch) angl e r i ng orsquar e set i n si l i cone adhesi ve ar ound penet r at i on.

C. Penet r at i ons are not al l owed thr ough beams or r i bs, but may be i nst al l ed

i n concret e beam f l anges. Any devi at i on f r om t hese requi r ement s must

r ecei ve pr i or appr oval of COTR.

D. Sheet Met al , Pl ast i c, or Moi st ur e- r esi st ant Fi ber Sl eeves: Pr ovi de f or

pi pe passi ng t hr ough f l oor s, i nt er i or wal l s, and par t i t i ons, unl ess

br ass or st eel pi pe sl eeves ar e speci f i cal l y cal l ed f or bel ow.

E. Cast I r on or Zi nc Coat ed Pi pe Sl eeves: Provi de f or pi pe passi ng t hr ough

exter i or wal l s bel ow grade. Make space bet ween sl eeve and pi pe

wat er t i ght wi t h a modul ar or l i nk rubber seal . Seal shal l be appl i ed at

both ends of sl eeve.

F. Gal vani zed St eel or an al t er nat e Bl ack I r on Pi pe wi t h asphal t coat i ng

Sl eeves: Provi de f or pi pe passi ng t hr ough concr et e beam f l anges, except

wher e br ass pi pe sl eeves are cal l ed f or . Pr ovi de sl eeve f or pi pe passi ng

t hrough f l oor of mechani cal r ooms, l aundr y work r ooms, and ani mal r ooms

above basement . Except i n mechani cal r ooms, connect sl eeve wi t h f l oor

pl at e.

G. Br ass Pi pe Sl eeves: Pr ovi de f or pi pe passi ng thr ough quar r y t i l e,

t er r azzo or cer ami c ti l e f l oor s. Connect sl eeve wi t h f l oor pl at e.H. Sl eeves ar e not r equi r ed f or wal l hydr ant s f or f i r e depar t ment

connect i ons or i n dr ywal l const r uct i on.

I . Sl eeve Cl ear ance: Sl eeve t hr ough f l oor s, wal l s, par t i t i ons, and beam

f l anges shal l be one i nch gr eat er i n di amet er t han ext er nal di amet er of

pi pe. Sl eeve f or pi pe wi t h i nsul at i on shal l be l ar ge enough t o

accommodat e t he i nsul at i on. I nt er i or openi ngs shal l be caul ked t i ght


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wi t h f i r e st oppi ng mat er i al and seal ant t o pr event t he spr ead of f i r e,

smoke, and gases.

J . Seal ant and Adhesi ves: Shal l be as speci f i ed i n Sect i on 07 92 00, J OI NT

SEALANTS.

2.13 SPECIAL TOOLS AND LUBRICANTS

A. Fur ni sh, and t ur n over t o t he COTR, speci al t ool s not r eadi l y avai l abl e

commer ci al l y, t hat ar e requi r ed f or di sassembl y or adj ust ment of

equi pment and machi ner y f urni shed.

B. Gr ease Guns wi t h At t achment s f or Appl i cabl e Fi t t i ngs: One f or each type

of gr ease requi r ed f or each mot or or other equi pment .

C. Tool Cont ai ner s: Har dwood or met al , per manent l y i dent i f i ed f or i n t ended

servi ce and mounted, or l ocat ed, wher e di r ected by the COTR.

D. Lubr i cant s: A mi ni mum of 0. 95 L (one quar t ) of oi l , and 0. 45 kg ( one

pound) of grease, of equi pment manuf act urer ' s r ecommended gr ade and

t ype, i n unopened cont ai ner s and pr operl y i dent i f i ed as t o use f or eachdi f f er ent appl i cat i on.

2.14 WALL, FLOOR AND CEILING PLATES

A. Materi al and Type: Chr ome pl ated br ass or chrome pl ated st eel , one pi ece

or spl i t t ype wi t h conceal ed hi nge, wi t h set scr ew f or f ast eni ng t o

pi pe, or sl eeve. Use pl at es t hat f i t t i ght ar ound pi pes, cover openi ngs

around pi pes and cover t he ent i r e pi pe sl eeve pr oj ect i on.

B. Thi ckness: Not l ess t han 2. 4 mm ( 3/ 32- i nch) f or f l oor pl at es. For wal l

and cei l i ng pl at es, not l ess t han 0. 64 mm ( 0. 025- i nch) f or up t o 80 mm

( 3- i nch pi pe) , 0. 89 mm ( 0. 035- i nch) f or l ar ger pi pe.

C. Locat i ons: Use wher e pi pe penet r at es f l oor s, wal l s and cei l i ngs i n

exposed l ocat i ons, i n f i ni shed ar eas onl y. Use al so wher e i nsul at i on

ends on exposed water suppl y pi pe dr op f r om overhead. Provi de a

wat er t i ght j oi nt i n spaces wher e br ass or st eel pi pe sl eeves are

speci f i ed.

2.15 ASBESTOS

Mat er i al s cont ai ni ng asbest os are not per mi t t ed.

PART 3 - EXECUTION

3.1 ARRANGEMENT AND INSTALLATION OF EQUIPMENT AND PIPING

A. Coor di nat e l ocat i on of pi pi ng, sl eeves, i nser t s, hanger s, duct wor k and

equi pment . Locat e pi pi ng, sl eeves, i nsert s, hangers, duct work and

equi pment cl ear of wi ndows, door s, openi ngs, l i ght out l et s, and ot her

ser vi ces and ut i l i t i es. Pr epar e equi pment l ayout dr awi ngs t o coor di nat e

pr oper l ocat i on and per sonnel access of al l f aci l i t i es. Submi t t he

dr awi ngs f or r evi ew as r equi r ed by Par t 1. Fol l ow manuf act ur er ' s


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publ i shed r ecommendat i ons f or i nst al l at i on met hods not other wi se

speci f i ed.

B. Oper at i ng Per sonnel Access and Observat i on Provi si ons: Sel ect and

arr ange al l equi pment and syst ems t o pr ovi de cl ear vi ew and easy access,

wi t h or wi t hout use of port abl e l adder s, f or mai nt enance and oper at i on

of al l devi ces i ncl udi ng, but not l i mi t ed t o: al l equi pment i t ems,

val ves, f i l t ers, str ai ners, t ransmi t t ers, sensors, cont rol devi ces. Al l

gages and i ndi cat or s shal l be cl ear l y vi si bl e by per sonnel st andi ng on

t he f l oor or on per manent pl at f orms. Do not r educe or change mai ntenance

and operat i ng space and access pr ovi si ons t hat are shown on t he

dr awi ngs.

C. Equi pment and Pi pi ng Suppor t : Coor di nate st r uct ur al syst ems necessary

f or pi pe and equi pment suppor t wi t h pi pe and equi pment l ocat i ons t o

per mi t pr oper i nst al l at i on.

D. Locat i on of pi pe sl eeves, t r enches and chases shal l be accur atel ycoor di nat ed wi t h equi pment and pi pi ng l ocat i ons.

E. Cut t i ng Hol es:

1. Cut hol es t hr ough concr ete and masonr y by r otar y core dr i l l .

Pneumat i c hammer , i mpact el ect r i c, and hand or manual hammer t ype

dr i l l wi l l not be al l owed, except as permi t t ed by COTR where worki ng

ar ea space i s l i mi t ed.

2. Locat e hol es t o avoi d i nt er f erence wi t h st r uct ur al member s such as

beams or gr ade beams. Hol es shal l be l ai d out i n advance and dr i l l i ng

done onl y af t er appr oval by COTR. I f t he Cont r act or consi der s i t

necessar y to dr i l l t hr ough st r uct ur al member s, t hi s mat t er shal l be

r ef er r ed t o COTR f or appr oval .

3. Do not penet r ate membrane waterproof i ng.

F. I nt er connect i on of I nst r ument at i on or Cont r ol Devi ces: Gener al l y,

el ect r i cal i nt er connect i ons ar e not shown but must be pr ovi ded.

G. Mi nor Pi pi ng: Gener al l y, smal l di amet er pi pe r uns f r om dr i ps and dr ai ns,

water cool i ng, and ot her servi ce ar e not shown but must be pr ovi ded.

H. El ect r i cal and Pneumat i c I nt er connect i on of Cont r ol s and I nst r ument s:

Thi s gener al l y not shown but must be provi ded. Thi s i ncl udes

i nt er connect i ons of sensor s, t r ansmi t t er s, t r ansducer s, cont r ol devi ces,cont r ol and i nst r ument at i on panel s, i nst r ument s and comput er

workst at i ons. Compl y wi t h NFPA- 70.

I . Pr ot ect i on and Cl eani ng:

1. Equi pment and mat er i al s shal l be car ef ul l y handl ed, pr oper l y st or ed,

and adequatel y prot ect ed t o prevent damage bef ore and dur i ng

i nst al l at i on, i n accor dance wi t h t he manuf act ur er ' s r ecommendat i ons


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and as approved by the COTR. Damaged or def ect i ve i t ems i n the

opi ni on of t he COTR, shal l be r epl aced.

2. Pr otect al l f i ni shed par t s of equi pment , such as shaf t s and bear i ngs

wher e accessi bl e, f r om r ust pr i or t o oper at i on by means of pr ot ect i ve

gr ease coat i ng and wr appi ng. Cl ose pi pe openi ngs wi t h caps or pl ugs

dur i ng i nst al l at i on. Ti ght l y cover and pr ot ect f i xtur es and equi pment

agai nst di r t , wat er chemi cal , or mechani cal i nj ur y. At compl et i on of

al l work t horoughl y cl ean f i xtur es, exposed mater i al s and equi pment .

J . Concr et e and Gr out : Use concr et e and shr i nk compensat i ng grout 25 MPa

( 3000 psi ) mi ni mum, speci f i ed i n Sect i on 03 30 00, CAST- I N- PLACE

CONCRETE.

K. I nst al l gages, t her momet ers, val ves and ot her devi ces wi t h due regar d

f or ease i n r eadi ng or oper at i ng and mai nt ai ni ng sai d devi ces. Locat e

and posi t i on t hermometers and gages t o be easi l y r ead by operat or or

st af f st andi ng on f l oor or wal kway pr ovi ded. Ser vi ci ng shal l not r equi r edi smant l i ng adj acent equi pment or pi pe work.

L. I nst al l st eam pi pi ng expansi on j oi nt s as per manuf actur er s

r ecommendat i ons.

M. Wor k i n Exi st i ng Bui l di ng:

1. Per f orm as speci f i ed i n Ar t i cl e, OPERATI ONS AND STORAGE AREAS,

Ar t i cl e, ALTERATI ONS, and Ar t i cl e, RESTORATI ON of t he Sect i on 01 00

00, GENERAL REQUI REMENTS f or r el ocat i on of exi st i ng equi pment ,

al t er at i ons and r est or at i on of exi st i ng bui l di ng( s) .

2. As speci f i ed i n Sect i on 01 00 00, GENERAL REQUI REMENTS, Ar t i cl e,

OPERATI ONS AND STORAGE AREAS, make al t erat i ons t o exi st i ng servi ce

pi pi ng at t i mes t hat wi l l l east i nt er f er e wi t h nor mal oper at i on of

the f aci l i t y.

3. Cut r equi r ed openi ngs t hr ough exi st i ng masonr y and r ei nf orced

concr ete usi ng di amond cor e dr i l l s. Use of pneumat i c hammer t ype

dr i l l s, i mpact t ype el ect r i c dr i l l s, and hand or manual hammer t ype

dr i l l s, wi l l be per mi t t ed onl y wi t h appr oval of t he COTR. Locat e

openi ngs t hat wi l l l east ef f ect st r uctur al sl abs, col umns, r i bs or

beams. Ref er t o the COTR f or determi nat i on of pr oper desi gn f or

openi ngs t hr ough st r uct ur al sect i ons and openi ng l ayout s appr oval ,pr i or t o cut t i ng or dri l l i ng i nt o st r ucture. Af t er COTR' s appr oval ,

car ef ul l y cut openi ng t hr ough const r uct i on no l ar ger t han absol ut el y

necessar y f or t he requi r ed i nst al l at i on.

N. I naccessi bl e Equi pment :

1. Where t he Government determi nes t hat t he Cont r actor has i nst al l ed

equi pment not conveni ent l y accessi bl e f or oper at i on and mai ntenance,


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equi pment shal l be r emoved and r ei nst al l ed or r emedi al act i on

perf ormed as di r ected at no addi t i onal cost t o the Government .

2. The term "conveni ent l y accessi bl e" i s def i ned as capabl e of bei ng

r eached wi t h t he use of l adders, or wi t hout cl i mbi ng or cr awl i ng

under or over obst acl es such as motors, f ans, pumps, bel t guards,

t r ansf or mer s, hi gh vol t age l i nes, pi pi ng, and duct wor k.

3.2 TEMPORARY PIPING AND EQUIPMENT

A. Cont i nui t y of oper at i on of exi st i ng f aci l i t i es wi l l general l y requi re

t empor ar y i nst al l at i on or r el ocat i on of equi pment and pi pi ng.

B. The Cont r act or shal l pr ovi de al l r equi r ed f aci l i t i es i n accor dance wi t h

t he requi r ement s of phased const r uct i on and mai nt enance of servi ce. Al l

pi pi ng and equi pment shal l be pr oper l y support ed, sl oped t o dr ai n,

oper at e wi t hout excessi ve st r ess, and shal l be i nsul at ed wher e i nj ur y

can occur t o per sonnel by cont act wi t h oper at i ng f aci l i t i es. The

r equi r ement s of Par a. 3. 1 appl y.C. Temporary f aci l i t i es and pi pi ng shal l be compl etel y removed and any

openi ngs i n st r uct ur es seal ed. Provi de necessary bl i nd f l anges and caps

t o seal open pi pi ng r emai ni ng i n ser vi ce.

3.3 RIGGING

A. Desi gn i s based on appl i cat i on of avai l abl e equi pment . Openi ngs i n

bui l di ng st r uctures ar e pl anned t o accommodat e desi gn scheme.

B. Al t ernat i ve methods of equi pment del i ver y may be of f ered by Cont r actor

and wi l l be consi der ed by Government under speci f i ed r est r i ct i ons of

phasi ng and mai nt enance of ser vi ce as wel l as st r uct ur al i nt egr i t y of

t he bui l di ng.

C. Cl ose al l openi ngs i n the bui l di ng when not r equi r ed f or r i ggi ng

oper at i ons t o mai nt ai n pr oper envi r onment i n t he f aci l i t y f or Gover nment

operat i on and mai nt enance of servi ce.

D. Cont ract or shal l provi de al l f aci l i t i es r equi red t o del i ver speci f i ed

equi pment and pl ace on f oundat i ons. At t achment s t o st r uct ur es f or

r i ggi ng pur poses and support of equi pment on st r uct ur es shal l be

Cont r act or ' s f ul l r esponsi bi l i t y. Upon r equest , t he Gover nment wi l l

check st r uct ure adequacy and advi se Cont r act or of r ecommended

rest r i ct i ons .

E. Cont r act or shal l check al l cl ear ances, wei ght l i mi t at i ons and shal l

of f er a r i ggi ng pl an desi gned by a Regi st er ed Pr of essi onal Engi neer . Al l

modi f i cat i ons t o st r uct ur es, i ncl udi ng r ei nf or cement t her eof , shal l be

at Cont r actor' s cost , t i me and r esponsi bi l i t y.

F. Ri ggi ng pl an and methods shal l be ref err ed to COTR f or eval uat i on pr i or

t o act ual wor k.


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G. Rest or e bui l di ng t o or i gi nal condi t i on upon compl et i on of r i ggi ng work.

3.4 PIPE AND EQUIPMENT SUPPORTS

A. Wher e hanger spaci ng does not cor r espond wi t h j oi st or r i b spaci ng, use

st r uctural st eel channel s secur ed di r ectl y to j oi st and r i b st r ucture

t hat wi l l cor r espond t o t he r equi r ed hanger spaci ng, and t hen suspend

t he equi pment and pi pi ng f r om t he channel s. Dr i l l or bur n hol es i n

st r uct ur al st eel onl y wi t h t he pr i or appr oval of t he COTR.

B. Use of chai n, wi r e or st r ap hanger s; wood f or bl ocki ng, st ays and

br aci ng; or, hanger s suspended f r om pi pi ng above wi l l not be permi t t ed.

Repl ace or t horoughl y cl ean r ust y pr oduct s and pai nt wi t h zi nc pr i mer.

C. Use hanger r ods t hat ar e st r ai ght and ver t i cal . Tur nbuckl es f or ver t i cal

adj ust ment s may be omi t t ed wher e l i mi t ed space prevents use. Provi de a

mi ni mum of 15 mm ( 1/ 2- i nch) cl ear ance bet ween pi pe or pi pi ng cover i ng

and adj acent work.

D. HVAC Hor i zont al Pi pe Support Spaci ng: Ref er t o MSS SP- 69. Provi deaddi t i onal suppor t s at val ves, st r ai ner s, i n- l i ne pumps and ot her heavy

component s. Provi de a support wi t hi n one f oot of each el bow.

E. HVAC Ver t i cal Pi pe Support s:

1. Up t o 150 mm ( 6- i nch pi pe) , 9 m ( 30 f eet ) l ong, bol t r i ser cl amps t o

t he pi pe bel ow coupl i ngs, or wel ded to t he pi pe and rest s support s

secur el y on t he bui l di ng st r uct ur e.

2. Ver t i cal pi pe l ar ger t han t he f or egoi ng, suppor t on base el bows or

t ees, or subst ant i al pi pe l egs ext endi ng t o t he bui l di ng st r uct ur e.

F. Over head Support s:

1. The basi c st r uct ur al syst em of t he bui l di ng i s desi gned t o sust ai n

t he l oads i mposed by equi pment and pi pi ng t o be suppor t ed over head.

2. Pr ovi de st eel st r uct ur al member s, i n addi t i on t o t hose shown, of

adequat e capabi l i t y to support t he i mposed l oads, l ocated i n

accor dance wi t h t he f i nal appr oved l ayout of equi pment and pi pi ng.

3. Tubi ng and capi l l ar y syst ems shal l be support ed i n channel t r oughs.

G. Fl oor Support s:

1. Provi de concr et e bases, concr ete anchor bl ocks and pedest al s, and

st r uct ur al st eel syst ems f or support of equi pment and pi pi ng. Anchor

and dowel concr et e bases and st r uct ur al syst ems t o resi st f orcesunder oper at i ng condi t i ons wi t hout excessi ve di spl acement or

s t ructural f ai l ure.

2. Do not l ocat e or i nst al l bases and support s unt i l equi pment mount ed

t her eon has been appr oved. Si ze bases t o mat ch equi pment mount ed

t hereon pl us 50 mm ( 2 i nch) excess on al l edges. Bases shal l be


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neat l y f i ni shed and smoot hed, shal l have chamf ered edges at t he top,

and shal l be sui t abl e f or pai nt i ng.

3. Al l equi pment shal l be shi mmed, l evel ed, f i r ml y anchored, and gr out ed

wi t h epoxy gr out . Anchor bol t s shal l be pl aced i n sl eeves, anchored

t o t he bases. Fi l l t he annul ar space bet ween sl eeves and bol t s wi t h a

gr anul ar mat eri al t o per mi t al i gnment and real i gnment .

3.5 MECHANICAL DEMOLITION

A. Ri ggi ng access, other t han i ndi cat ed on t he dr awi ngs, shal l be pr ovi ded

by t he Cont r act or af t er appr oval f or st r uct ur al i nt egr i t y by the COTR.

Such access shal l be pr ovi ded wi t hout addi t i onal cost or t i me t o t he

Gover nment . Wher e work i s i n an oper at i ng f aci l i t y, pr ovi de appr oved

pr ot ecti on f r om dust and debr i s at al l t i mes f or t he saf et y of f aci l i t y

per sonnel and mai ntenance of pl ant operat i on and envi r onment of t he

pl ant .

B. I n an oper at i ng f aci l i t y, mai nt ai n the oper at i on, cl eanl i ness andsaf et y. Gover nment personnel wi l l be car r yi ng on t hei r normal dut i es of

oper at i ng, cl eani ng and mai nt ai ni ng equi pment and f aci l i t y oper at i on.

Conf i ne t he work t o t he i mmedi ate ar ea concerned; mai nt ai n cl eanl i ness

and wet down demol i shed mater i al s t o el i mi nat e dust . Do not per mi t

debr i s t o accumul at e i n t he ar ea t o t he det r i ment of f aci l i t y oper at i on.

Per f or m al l f l ame cut t i ng t o mai nt ai n t he f i r e saf et y i nt egr i t y of t hi s

f aci l i t y. Adequat e f i re ext i ngui shi ng f aci l i t i es shal l be avai l abl e at

al l t i mes. Per f or m al l wor k i n accor dance wi t h r ecogni zed f i r e

pr otect i on st andards. I nspect i on wi l l be made by per sonnel of t he VA

Medi cal Cent er , and Cont r act or shal l f ol l ow al l di r ect i ves of t he COTR

wi t h r egar d t o r i ggi ng, saf et y, f i r e saf et y, and mai nt enance of

oper at i ons.

C. Compl et el y r emove al l pi pi ng, wi r i ng, condui t , and other devi ces

associ ated wi t h the equi pment not t o be re- used i n t he new work. Thi s

i ncl udes al l pi pe, val ves, f i t t i ngs, i nsul at i on, and al l hangers

i ncl udi ng t he t op connect i on and any f ast eni ngs t o bui l di ng st r uct ur al

systems. Seal al l openi ngs, af t er r emoval of equi pment , pi pes, duct s,

and other penet r at i ons i n r oof , wal l s, f l oor s, i n an appr oved manner and

i n accor dance wi t h pl ans and speci f i cat i ons wher e speci f i cal l y cover ed.St r uctural i nt egr i t y of t he bui l di ng syst em shal l be mai nt ai ned.

Ref er ence shal l al so be made to t he dr awi ngs and speci f i cat i ons of t he

ot her di sci pl i nes i n t he proj ect f or addi t i onal f aci l i t i es to be

demol i shed or handl ed.

D. Al l val ves i ncl udi ng gat e, gl obe, bal l , but t er f l y and check, al l

pressure gages and t her momet ers wi t h wel l s shal l r emai n Gover nment


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proper t y and shal l be r emoved and del i ver ed t o COTR and st ored as

di r ect ed. The Cont r act or shal l r emove al l other mat er i al and equi pment ,

devi ces and demol i t i on debr i s under t hese pl ans and speci f i cat i ons. Such

mat er i al shal l be r emoved f r om Gover nment pr oper t y expedi t i ousl y and

shal l not be al l owed to accumul at e.

3.6 CLEANING AND PAINTING

A. Pr i or t o f i nal i nspecti on and accept ance of t he pl ant and f aci l i t i es f or

benef i ci al use by t he Gover nment , t he pl ant f aci l i t i es, equi pment and

syst ems shal l be t hor oughl y cl eaned and pai nt ed. Ref er t o Sect i on 09 91

00, PAI NTI NG.

B. I n addi t i on, t he f ol l owi ng speci al condi t i ons appl y:

1. Cl eani ng shal l be t horough. Use sol vent s, cl eani ng mat er i al s andmet hods recommended by t he manuf act urers f or t he speci f i c t asks.

Remove al l r ust pr i or t o pai nt i ng and f r om sur f aces t o r emai n

unpai nt ed. Repai r scr at ches, scuf f s, and abr asi ons pr i or t o appl yi ngpr i me and f i ni sh coat s.

2. Materi al And Equi pment Not To Be Pai nted I ncl udes:a. Mot or s, cont r ol l er s, cont r ol swi t ches, and saf et y swi t ches.

b. Cont r ol and i nt er l ock devi ces.

c. Regul at or s.

d. Pr essur e reduci ng val ves.

e. Cont r ol val ves and t her mostat i c el ement s.

f . Lubr i cat i on devi ces and gr ease f i t t i ngs.

g. Copper, br ass, al umi num, st ai nl ess st eel and br onze surf aces.

h. Val ve st ems and rot at i ng shaf t s.

i . Pressure gauges and t her momet ers.

j . Gl ass.

k. Name pl ates.

3. Cont r ol and i nst r ument panel s shal l be cl eaned, damaged sur f aces

r epai r ed, and shal l be touched- up wi t h mat chi ng pai nt obt ai ned f r om

panel manuf actur er .

4. Pumps, motors , st eel and cast i r on bases, and coupl i ng guards shal l

be cl eaned, and shal l be touched- up wi t h t he same col or as ut i l i zed

by t he pump manuf act urer5. Tempor ar y Faci l i t i es: Appl y pai nt t o sur f aces t hat do not have

exi sti ng f i ni sh coat s.

6. Pai nt shal l wi t hst and the f ol l owi ng temper at ur es wi t hout peel i ng or

di scol or at i on:


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a. Condensat e and f eedwater - - 38 degr ees C (100 degrees F) on

i nsul at i on j acket sur f ace and 120 degr ees C ( 250 degr ees F) on

met al pi pe sur f ace.

b. St eam - - 52 degr ees C ( 125 degr ees F) on i nsul at i on j acket sur f ace

and 190 degrees C (375 degr ees F) on metal pi pe sur f ace.

7. Fi nal r esul t shal l be smooth, even- col ored, even- t extur ed f act or y

f i ni sh on al l i t ems. Compl et el y r epai nt t he ent i r e pi ece of

equi pment i f necessary t o achi eve t hi s.

3.7 IDENTIFICATION SIGNS

A. Pr ovi de l ami nat ed pl ast i c si gns, wi t h engr aved l et t er i ng not l ess t han

5 mm ( 3/ 16- i nch) hi gh, desi gnat i ng f uncti ons, f or al l equi pment ,

swi t ches, mot or cont r ol l er s, r el ays, met er s, cont r ol devi ces, i ncl udi ng

aut omat i c cont r ol val ves. Nomencl at ur e and i dent i f i cat i on symbol s shal l

cor r espond t o t hat used i n mai nt enance manual , and i n di agr ams speci f i ed

el sewher e. At t ach by chai n, adhesi ve, or scr ews.B. Fact ory Bui l t Equi pment : Met al pl at e, secur el y at t ached, wi t h name and

addr ess of manuf acturer , ser i al number, model number, si ze, perf ormance.

C. Pi pe I dent i f i cat i on: Ref er t o Sect i on 09 91 00, PAI NTI NG.

3.8 MOTOR AND DRIVE ALIGNMENT

A. Bel t Dr i ve: Set dr i vi ng and dr i ven shaf t s par al l el and al i gn so that t he

cor r espondi ng gr ooves ar e i n t he same pl ane.

B. Di r ect - connect Dr i ve: Secur el y mount motor i n accur at e al i gnment so t hat

shaf t s are f r ee f r om both angul ar and paral l el mi sal i gnment when both

mot or and dr i ven machi ne are oper at i ng at nor mal t emper atures.

3.9 LUBRICATION

A. Lubri cat e al l devi ces requi r i ng l ubri cat i on pr i or t o i ni t i al operati on.

Fi el d- check al l devi ces f or pr oper l ubr i cat i on.

B. Equi p al l devi ces wi t h r equi r ed l ubr i cat i on f i t t i ngs or devi ces. Pr ovi de

a mi ni mum of one l i t er ( one quar t ) of oi l and 0. 5 kg ( one pound) of

grease of manuf act urer ' s r ecommended grade and t ype f or each di f f erent

appl i cat i on; al so pr ovi de 12 gr ease st i cks f or l ubr i cat ed pl ug val ves.

Del i ver al l mat er i al s t o COTR i n unopened cont ai ners t hat ar e pr oper l y

i dent i f i ed as to appl i cat i on.

C. Provi de a separ at e gr ease gun wi t h at t achment s f or appl i cabl e f i t t i ngs

f or each t ype of gr ease appl i ed.

D. Al l l ubr i cat i on poi nt s shal l be accessi bl e wi t hout di sassembl i ng

equi pment , except t o r emove access pl ates.

3.10 STARTUP AND TEMPORARY OPERATION

St ar t up equi pment as descr i bed i n equi pment speci f i cat i ons. Veri f y t hat

vi br at i on i s wi t hi n speci f i ed t ol er ance pr i or t o ext ended oper at i on.


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Temporary use of equi pment i s speci f i ed i n Sect i on 01 00 00, GENERAL

REQUI REMENTS, Art i cl e, TEMPORARY USE OF MECHANI CAL AND ELECTRI CAL

EQUI PMENT.

3.11 OPERATING AND PERFORMANCE TESTS

A. Pr i or t o t he f i nal i nspecti on, per f or m r equi r ed t est s as speci f i ed i n

Sect i on 01 00 00, GENERAL REQUI REMENTS, Ar t i cl e, TESTS, and submi t t he

t est r eport s and recor ds t o t he COTR.

B. Shoul d evi dence of mal f unct i on i n any t est ed syst em, or pi ece of

equi pment or component part t hereof , occur dur i ng or as a r esul t of

t est s, make pr oper cor r ect i ons, r epai r s or r epl acement s, and r epeat

t est s at no addi t i onal cost t o the Gover nment .

C. When compl et i on of cer t ai n work or syst em occur s at a t i me when f i nal

cont r ol set t i ngs and adj ust ment s cannot be proper l y made to make

per f ormance test s, t hen make per f ormance test s f or heat i ng syst ems and

f or cool i ng syst ems r espect i vel y dur i ng f i r st act ual seasonal use ofr espect i ve syst ems f ol l owi ng compl et i on of work.

3.12 INSTRUCTIONS TO VA PERSONNEL

Provi de i n accor dance wi t h Ar t i cl e, I NSTRUCTI ONS, of Sect i on 01 00 00,

GENERAL REQUI REMENTS.

- - - E N D - - -


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SECTION 23 05 12

GENERAL MOTOR REQUIREMENTS FOR HVAC AND STEAM GENERATION EQUIPMENT

PART 1 - GENERAL

1.1 DESCRIPTION

Thi s sect i on speci f i es t he f urni shi ng, i nst al l at i on and connect i on of

mot ors f or HVAC and st eam gener at i on equi pment .

1.2 RELATED WORK

A. Sect i on 26 05 11, REQUI REMENTS FOR ELECTRI CAL I NSTALLATI ONS: Gener al

el ect r i cal r equi r ement s t hat are common t o more t han one Sect i on of

Di vi si on 26.

B. Sect i on 26 29 11, LOW- VOLTAGE MOTOR STARTERS: St ar t er s, cont r ol and

pr ot ect i on f or mot or s.

C. Ot her sect i ons speci f yi ng motor dri ven equi pment i n Di vi si on 23.

1.3 SUBMITTALS

A. I n accor dance wi t h Sect i on, REQUI REMENTS FOR ELECTRI CAL I NSTALLATI ONS,

submi t t he f ol l owi ng:

B. Shop Dr awi ngs:

1. Suf f i ci ent i nf or mat i on, cl ear l y pr esent ed, shal l be i ncl uded t o

det er mi ne compl i ance wi t h dr awi ngs and speci f i cat i ons.

2. I ncl ude el ect r i cal r at i ngs, di mensi ons, mount i ng det ai l s, mat er i al s,

hor sepower , RPM, encl osur e, st ar t i ng char act er i st i cs, t orque

char acteri st i cs, code l et t er , f ul l l oad and l ocked r ot or cur r ent ,

ser vi ce f act or, and l ubr i cat i on met hod.

C. Manual s:1. Submi t si mul t aneousl y wi t h t he shop dr awi ngs, compani on copi es of

compl ete mai nt enance and operat i ng manual s, i ncl udi ng t echni cal data

sheet s and appl i cat i on dat a.

D. Cer t i f i cat i on: Two weeks pr i or t o f i nal i nspect i on, unl ess other wi se

not ed, submi t f our copi es of t he f ol l owi ng cer t i f i cat i on t o t he COTR:

1. Cer t i f i cat i on that t he mot or s have been pr oper l y appl i ed, i nst al l ed,

adj ust ed, l ubr i cat ed, and t est ed.

1.4 APPLICABLE PUBLICATIONS

A. Publ i cat i ons l i st ed bel ow ( i ncl udi ng amendment s, addenda, r evi si ons,

suppl ement s and er r at a) f or m a par t of t hi s speci f i cat i on to t he extent

r ef er enced. Publ i cat i ons ar e r ef er enced i n t he t ext by desi gnat i on onl y.

B. Nat i onal El ect r i cal Manuf act ur er s Associ at i on ( NEMA) :

MG 1- 98. . . . . . . . . . . . . . . . . Mot ors and Gener at or s


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MG 2- 01. . . . . . . . . . . . . . . . . Saf et y St andard and Gui de f or Sel ecti on,

I nst al l at i on and Use of El ect r i c Mot ors and

Generators

C. Nat i onal Fi r e Pr ot ect i on Associ at i on ( NFPA) :

70- 02. . . . . . . . . . . . . . . . . . . Nat i onal El ect r i cal Code (NEC)

PART 2 - PRODUCTS

2.1 MOTORS

A. For al t er nat i ng cur r ent , f r act i onal and i nt egr al horsepower motors , NEMA

Publ i cat i ons MG 1 and MG 2 shal l appl y.

B. Vol t age r at i ngs shal l be as f ol l ows:

1. Si ngl e phase:

a. Motors connect ed t o 120- vol t syst ems: 115 vol t s.

b. Motors connect ed t o 208- vol t syst ems: 200 vol t s.

c. Motors connect ed t o 240 vol t or 480 vol t syst ems: 230/ 460 vol t s,

dual connect i on.2. Thr ee phase:

a. Motors connect ed t o 208- vol t syst ems: 200 vol t s.

b. Motors , l ess t han 74. 6 kW ( 100 HP) , connect ed to 240 vol t or 480

vol t systems: 230/ 460 vol t s, dual connect i on.

c. Motors , 74. 6 kW ( 100 HP) or l ar ger, connect ed t o 240- vol t syst ems:

230 vol t s.

d. Motors , 74. 6 kW ( 100 HP) or l ar ger, connect ed t o 480- vol t syst ems:

460 vol t s.

e. Motors connected t o hi gh vol t age syst ems: Shal l conf orm t o NEMA

St andar ds f or connect i on t o t he nomi nal syst em vol t age shown on

t he dr awi ngs.

C. Number of phases shal l be as f ol l ows:

1. Mot or s, l ess t han 373 W ( 1/ 2 HP) : Si ngl e phase.

2. Motors, 373 W ( 1/ 2 HP) and l ar ger: 3 phase.

3. Except i ons:

a. Her met i cal l y seal ed motors .

b. Motors f or equi pment assembl i es, l ess t han 746 W ( one HP) , may be

si ngl e phase pr ovi ded t he manuf actur er of t he pr oposed assembl i es

cannot suppl y t he assembl i es wi t h t hr ee phase mot ors.

D. Horsepower r at i ngs shal l be adequate f or operat i ng t he connected l oads

cont i nuousl y i n t he pr evai l i ng ambi ent t emper at ur es i n ar eas wher e t he

motors are i nst al l ed, wi t hout exceedi ng t he NEMA st andard t emperat ur e

r i ses f or t he mot or i nsul at i on.


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E. Motor desi gns, as i ndi cat ed by t he NEMA code l et t er s, shal l be

coor di nated wi t h t he connected l oads t o assur e adequate st art i ng and

r unni ng t or que.

F. Mot or Encl osur es:

1. Shal l be t he NEMA t ypes shown on the drawi ngs f or t he mot ors.

2. Wher e t he t ypes of mot or encl osures are not shown on the drawi ngs,

t hey shal l be the NEMA t ypes, whi ch are most sui t abl e f or t he

envi r onment al condi t i ons wher e t he motors ar e bei ng i nst al l ed.

3. Encl osur es shal l be pr i med and f i ni sh coat ed at t he f act or y wi t h

manuf act ur er ' s pr i me coat and st andar d f i ni sh.

G. Addi t i onal r equi r ement s f or speci f i c mot ors, as i ndi cat ed i n other

secti ons, shal l al so appl y.

H. Ener gy- Ef f i ci ent Mot or s ( Mot or Ef f i ci enci es) : Al l per manent l y wi r ed

pol yphase motors of 746 Wat t s or more shal l meet t he mi ni mum f ul l - l oad

ef f i ci enci es as i ndi cat ed i n t he f ol l owi ng t abl e, and as speci f i ed i nt hi s speci f i cat i on. Mot or s of 746 Wat t s or mor e wi t h open, dr i p- pr oof

or t otal l y encl osed f an- cool ed encl osur es shal l be NEMA pr emi um

ef f i ci ency type, unl ess other wi se i ndi cat ed. Mot or s pr ovi ded as an

i nt egr al par t of mot or dr i ven equi pment ar e excl uded f r om t hi s

r equi r ement i f a mi ni mum seasonal or over al l ef f i ci ency requi r ement i s

i ndi cat ed f or t hat equi pment by the pr ovi si ons of anot her sect i on.

Minimum Efficiencies

Open Drip-Proof

Minimum Efficiencies

Totally Enclosed Fan-Cooled

RatingkW (HP)

1200RPM

1800RPM

3600RPM

RatingkW (HP)

1200RPM

1800RPM

3600RPM

0. 746 ( 1) 82. 5% 85. 5% 77. 0% 0. 746 ( 1) 82. 5% 85. 5% 77. 0%

1. 12 ( 1. 5) 86. 5% 86. 5% 84. 0% 1. 12 ( 1. 5) 87. 5% 86. 5% 84. 0%

1. 49 ( 2) 87. 5% 86. 5% 85. 5% 1. 49 ( 2) 88. 5% 86. 5% 85. 5%

2. 24 ( 3) 88. 5% 89. 5% 85. 5% 2. 24 ( 3) 89. 5% 89. 5% 86. 5%

3. 73 ( 5) 89. 5% 89. 5% 86. 5% 3. 73 ( 5) 89. 5% 89. 5% 88. 5%

5. 60 ( 7. 5) 90. 2% 91. 0% 88. 5% 5. 60 ( 7. 5) 91. 0% 91. 7% 89. 5%

7. 46 ( 10) 91. 7% 91. 7% 89. 5% 7. 46 ( 10) 91. 0% 91. 7% 90. 2%

11. 2 ( 15) 91. 7% 93. 0% 90. 2% 11. 2 ( 15) 91. 7% 92. 4% 91. 0%

14. 9 ( 20) 92. 4% 93. 0% 91. 0% 14. 9 ( 20) 91. 7% 93. 0% 91. 0%

18. 7 ( 25) 93. 0% 93. 6% 91. 7% 18. 7 ( 25) 93. 0% 93. 6% 91. 7%

22. 4 ( 30) 93. 6% 94. 1% 91. 7% 22. 4 ( 30) 93. 0% 93. 6% 91. 7%

29. 8 ( 40) 94. 1% 94. 1% 92. 4% 29. 8 ( 40) 94. 1% 94. 1% 92. 4%

37. 3 ( 50) 94. 1% 94. 5% 93. 0% 37. 3 ( 50) 94. 1% 94. 5% 93. 0%

44. 8 ( 60) 94. 5% 95. 0% 93. 6% 44. 8 ( 60) 94. 5% 95. 0% 93. 6%

56. 9 ( 75) 94. 5% 95. 0% 93. 6% 56. 9 ( 75) 94. 5% 95. 4% 93. 6%

74. 6 ( 100) 95. 0% 95. 4% 93. 6% 74. 6 ( 100) 95. 0% 95. 4% 94. 1%


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93. 3 ( 125) 95. 0% 95. 4% 94. 1% 93. 3 ( 125) 95. 0% 95. 4% 95. 0%

112 ( 150) 95. 4% 95. 8% 94. 1% 112 ( 150) 95. 8% 95. 8% 95. 0%

149. 2 ( 200) 95. 4% 95. 8% 95. 0% 149. 2 ( 200) 95. 8% 96. 2% 95. 4%

I . Mi ni mum Power Fact or at Ful l Load and Rated Vol t age: 90 percent at 1200

RPM, 1800 RPM and 3600 RPM.

J . Pr emi um ef f i ci ency mot or s shal l be used where ener gy cost / kW x ( hour s

use/ year) > 50.

PART 3 - EXECUTION

3.1 INSTALLATION

I nst al l mot ors i n accor dance wi t h manuf actur er s r ecommendat i ons, t he

NEC, NEMA, as shown on the drawi ngs and/ or as r equi r ed by ot her sect i ons

of t hese speci f i cat i ons.

3.2 FIELD TESTS

Megger al l mot or s af t er i nst al l at i on, bef or e st ar t - up. Al l shal l t estf r ee f r om gr ounds.

- - - E N D - - -


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VA N. Chi cago NHCU ( CLC) Renovat i on, Bl dg. 134 Proj ect No. 556- 30312- 06M

SECTION 23 05 41

NOISE AND VIBRATION CONTROL FOR HVAC PIPING AND EQUIPMENT

PART 1 - GENERAL

1.1 DESCRIPTION

Noi se cri t er i a, vi br at i on t ol er ance and vi br at i on i sol at i on f or HVAC

and pl umbi ng wor k.

1.2 RELATED WORK

A. Sect i on 03 30 00, CAST- I N- PLACE CONCRETE: Requi r ement s f or concr et e

i ner t i a bases.

B. Sect i on 23 05 11, COMMON WORK RESULTS FOR HVAC AND STEAM GENERATI ON:

General mechani cal r equi r ement s and i t ems, whi ch are common t o more

t han one sect i on of Di vi si on 23.

C. Sect i on 23 22 13, STEAM AND CONDENSATE HEATI NG PI PI NG: Requi r ements f or

f l exi bl e pi pe connect or s t o r eci pr ocat i ng and r ot at i ng mechani cal

equi pment .

D. Sect i on 23 73 00, I NDOOR CENTRAL- STATI ON AI R- HANDLI NG UNI TS:

Requi r ement s f or opt i onal Ai r Handl i ng Uni t i nt er nal vi br at i on

i sol at i on.

E. Sect i on 23 31 00, HVAC DUCTS AND CASI NGS: r equi r ement s f or f l exi bl e

duct connect ors, sound at t enuators and sound absorbi ng duct l i ni ng.

F. Sect i on 23 05 93, TESTI NG, ADJ USTI NG, AND BALANCI NG FOR HVAC:

r equi r ement s f or sound and vi br at i on t est s.

1.3 QUALITY ASSURANCE

A. Ref er t o ar t i cl e, QUALI TY ASSURANCE i n speci f i cat i on Sect i on 23 05 11,

COMMON WORK RESULTS FOR HVAC AND STEAM GENERATI ON.

B. Noi se Cri t er i a:

1. Noi se l evel s i n al l 8 oct ave bands due to equi pment and duct syst ems

shal l not exceed f ol l owi ng NC l evel s:

TYPE OF ROOM NC LEVEL

Bat hrooms and Toi l et Rooms 40

Conf er ence Rooms 35

Cor r i dors ( Nur se St at i ons) 40

Cor r i dor s( Publ i c) 40

Di ni ng Rooms, Food Ser vi ces/ Ser vi ng 35

Exami nat i on Rooms 35

Ki t chens 50


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Lobbi es, Wai t i ng Ar eas 40

Locker Rooms 50

Of f i ces, l ar ge open ( 3 or moreoccupants)

40

Of f i ces, smal l pr i vat e ( 2 or f eweroccupants)

35

Pat i ent Rooms 35

Recr eat i on Rooms 50

Ther apeut i c Pool s 45

Treatment Rooms 35

Gener al Wor k Rooms 40

2. For equi pment whi ch has no sound power r at i ngs schedul ed on t he

pl ans, t he cont r act or shal l sel ect equi pment such t hat t he f ore-

goi ng noi se cr i t er i a, l ocal or di nance noi se l evel s, and OSHA r e-

qui r ement s ar e not exceeded. Sel ect i on pr ocedur e shal l be i n

accor dance wi t h ASHRAE Fundamental s Handbook, Chapt er 7, Sound and

Vi brati on.

3. An al l owance, not t o exceed 5db, may be added t o t he measured val ue

t o compensat e f or t he var i at i on of t he r oom at t enuat i ng ef f ect

bet ween room t est condi t i on pr i or t o occupancy and desi gn condi t i on

af t er occupancy whi ch may i ncl ude t he addi t i on of sound absor bi ng

mat er i al , such as, f ur ni t ur e. Thi s al l owance may not be t aken af t er

occupancy. The r oom at t enuat i ng ef f ect i s def i ned as t he di f f er ence

bet ween sound power l evel emi t t ed t o room and sound pressure l evel

i n r oom.

4. I n absence of speci f i ed measurement r equi r ement s, measur e equi pment

noi se l evel s t hr ee f eet f r omequi pment and at an el evat i on of maxi -

mum noi se generat i on.

C. Al l owabl e Vi br at i on Tol er ances f or Rot at i ng, Non- r eci pr ocat i ng Equi p-

ment : Not t o exceed a sel f - exci t ed vi br at i on maxi mum vel oci t y of 5 mm

per second (0. 20 i nch per second) RMS, f i l t er i n, when measured wi t h a

vi br at i on met er on bear i ng caps of machi ne i n ver t i cal , hor i zont al and

axi al di r ect i ons or measured at equi pment mount i ng f eet i f bear i ngs are

conceal ed. Measurement s f or i nternal l y i sol ated f ans and mot ors may be

made at t he mount i ng f eet .


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1.4 SUBMITTALS

A. Submi t i n accor dance wi t h speci f i cat i on Sect i on 01 33 23, SHOP

DRAWI NGS, PRODUCT DATA, AND SAMPLES.

B. Manuf act ur er ' s Li t er at ur e and Dat a:

1. Vi brat i on i sol at ors:

a. Fl oor mount i ngs

b. Hanger s

c. Thr ust r est r ai nt s

2. Bases.

3. Acoust i cal encl osur es.

C. I sol at or manuf act ur er shal l f ur ni sh wi t h submi t t al l oad cal cul at i ons

f or sel ect i on of i sol at or s, i ncl udi ng suppl ement al bases, based on

l owest operat i ng speed of equi pment suppor t ed.

1.5 APPLICABLE PUBLICATIONS

A. The publ i cat i ons l i st ed bel ow f or m a par t of t hi s speci f i cat i on t o t he

extent r ef er enced. The publ i cat i ons are r ef er enced i n the t ext by t he

basi c desi gnat i on onl y.

B. Amer i can Soci et y of Heat i ng, Ref r i ger at i ng and Ai r - Condi t i oni ng

Engi neer s, I nc. ( ASHRAE) :

2005. . . . . . . . . . . . . . . . . . . . Fundament al s Handbook, Chapt er 7, Sound and

Vi br at i on

C. Amer i can Soci et y f or Test i ng and Mater i al s ( ASTM) :

A123/ A123M- 02. . . . . . . . . . . St andar d Speci f i cat i on f or Zi nc ( Hot - Di p

Gal vani zed) Coat i ngs on I r on and St eel Product s

A307- 04. . . . . . . . . . . . . . . . . St andard Speci f i cat i on f or Carbon St eel Bol t s

and St uds, 60, 000 PSI Tensi l e St r engt h

D2240- 05. . . . . . . . . . . . . . . . St andar d Test Met hod f or Rubber Pr oper t y -

Duromet er Hardness

D. Manuf act ur ers St andardi zat i on ( MSS) :

SP- 58- 02. . . . . . . . . . . . . . . . Pi pe Hanger s and Suppor t s- Mat er i al s, Desi gn and

Manuf act ure

E. Occupat i onal Saf et y and Heal t h Admi ni st r at i on ( OSHA) :

29 CFR 1910. 95. . . . . . . . . . Occupat i onal Noi se Exposur e

PART 2 - PRODUCTS

2.1 GENERAL REQUIREMENTS

A. Type of i sol at or , base, and mi ni mum st at i c def l ect i on shal l be as

r equi r ed f or each speci f i c equi pment appl i cat i on as r ecommended by


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i sol ator or equi pment manuf actur er but subj ect t o mi ni mum r equi r ement s

i ndi cat ed her ei n and i n the schedul e on the dr awi ngs.

B. El ast omet r i c I sol at ors shal l compl y wi t h ASTM D2240 and be oi l

r esi st ant neopr ene wi t h a maxi mum st i f f ness of 60 dur ometer and have a

str ai ght - l i ne def l ecti on curve.

C. Uni f or m Loadi ng: Sel ect and l ocat e i sol at or s t o pr oduce uni f or m l oadi ng

and def l ect i on even when equi pment wei ght i s not evenl y di st r i buted.

D. Col or code i sol at or s by type and si ze f or easy i dent i f i cat i on of

capaci t y.

2.2 VIBRATION ISOLATORS

A. Fl oor Mount i ngs:

1. Doubl e Def l ect i on Neoprene (Type N) : Shal l i ncl ude neopr ene covered

st eel suppor t pl at ed ( t op and bott om) , f r i ct i on pads, and necessar y

bol t hol es.

2. Spr i ng I sol at or s ( Type S) : Shal l be f r ee- st andi ng, l at er al l y st abl e

and i ncl ude acoust i cal f r i cti on pads and l evel i ng bol t s. I sol at or s

shal l have a mi ni mum r at i o of spr i ng di amet er - t o- oper at i ng spr i ng

hei ght of 1. 0 and an addi t i onal t r avel t o sol i d equal t o 50 per cent

of r at ed def l ecti on.

3. Spr i ng I sol at or s wi t h Ver t i cal Li mi t St ops ( Type SP) : Si mi l ar t o

spr i ng i sol at or s not ed above, except i ncl ude a ver t i cal l i mi t st op

t o l i mi t upward t r avel i f wei ght i s r emoved and al so t o reduce

movement and spr i ng extensi on due to wi nd l oads. Provi de cl ear ance

ar ound rest r ai ni ng bol t s t o pr event mechani cal shor t ci r cui t i ng.

4. Pads ( Type D) , Washers ( Type W) , and Bushi ngs ( Type L) : Pads shal l

be f el t , cork, neopr ene waf f l e, neopr ene and cork sandwi ch, neopr ene

and f i bergl ass, neopr ene and st eel waf f l e, or r ei nf orced duck and

neopr ene. Washer s and bushi ngs shal l be r ei nf or ced duck and

neopr ene. Si ze pads f or a maxi muml oad of 345 kPa ( 50 pounds per

squar e i nch) .

B. Hangers: Shal l be combi nat i on neopr ene and spr i ngs unl ess ot herwi se

not ed and shal l al l ow f or expansi on of pi pe.

1. Combi nat i on Neopr ene and Spri ng (Type H) : Vi br at i on hanger shal l

cont ai n a spr i ng and doubl e def l ect i on neopr ene el ement i n seri es.

Spr i ng shal l ha

Div 23

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