22 05 48.00 20.pdf

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

SECTI ON 22 05 48. 00 20

MECHANI CAL SOUND, VI BRATI ON, AND SEI SMI C CONTROL

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AI R- CONDI TI ONI NG, HEATI NG AND REFRI GERATI ON I NSTI TUTE ( AHRI )

AHRI 575 ( 2008) Met hod of Measur i ng Machi ner y Sound Wi t hi n an Equi pment Space

ANSI / AHRI 370 ( 2015; Addendum 1 2016) Sound Rat i ng of Lar ge Out door Ref r i ger at i ng and Ai r - Condi t i oni ng Equi pment

AMERI CAN I NSTI TUTE OF STEEL CONSTRUCTI ON ( AI SC)

AI SC 360 ( 2010) Speci f i cat i on f or St r uct ur al St eel Buildings

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2015; Er r at a 1 2015; Er r at a 2 2016) St r uct ur al Wel di ng Code - St eel

ASTM I NTERNATI ONAL ( ASTM)

ASTM A123/ A123M ( 2013) 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 Pr oduct s

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A653/ A653M ( 2015; E 2016) St andar d Speci f i cat i on f or St eel Sheet , Zi nc- Coat ed ( Gal vani zed) or Zi nc- I r on Al l oy- Coat ed ( Gal vanneal ed) by t he Hot - Di p Pr ocess

ASTM C94/ C94M ( 2016a) St andar d Speci f i cat i on f or Ready- Mi xed Concr et e

ASTM D2240 ( 2015) St andar d Test Met hod f or Rubber Pr oper t y - Dur omet er Har dness

ASTM D471 ( 2016a) St andar d Test Met hod f or Rubber Pr oper t y - Ef f ect of Li qui ds

ASTM E84 ( 2016) St andar d Test Met hod f or Sur f ace Bur ni ng Char act er i st i cs of Bui l di ng Materials

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

(SMACNA)

SMACNA 1403 ( 2008) Accept ed I ndust r y Pr act i ce f or I ndust r i al Duct Const r uct i on, 2nd Edi t i on

SMACNA 1793 ( 2012) Ar chi t ect ur al Sheet Met al Manual , 7t h Edi t i on

SMACNA 1966 ( 2005) HVAC Duct Const r uct i on St andar ds Met al and Fl exi bl e, 3r d Edi t i on

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

1. 2 RELATED REQUI REMENTS

The pr ovi s i ons of Sect i on 23 03 00. 00 20 BASI C MECHANI CAL MATERI ALS AND METHODS appl y t o t hi s sect i on.

1. 3 DEFINITIONS

1. 3. 1 Deci bel s dB

Measur e of sound l evel . Deci bel s ar e r ef er enced t o ei t her 20 uPa f or sound pr essur e l evel s or one pW f or sound power l evel s. dBA i s t he over al l " A" wei ght ed sound l evel .

1. 3. 2 Machinery

The vi br at i on or noi se pr oduci ng equi pment t hat must be i sol at ed.

1. 3. 3 Manufacturer

The f abr i cat or or suppl i er of v i br at i on- i sol at i on or sei smi c- pr ot ect i on mat er i al s and equi pment . For mechani cal equi pment and machi ner y t he t er m machi ner y manuf act ur er wi l l be used.

1. 3. 4 Mi cr opascal uPa

10 t o t he mi nus 6 power newt ons per squar e met er .

1. 3. 5 Pi cowat t pW

10 t o t he mi nus 12 power wat t s.

1. 4 SYSTEM DESCRI PTI ON

1. 4. 1 Spr i ng I sol at or Dat a

For each t ype and si ze of spr i ng i sol at or , submi t t he spr i ng out si de di amet er , def l ect i on, oper at i ng spr i ng hei ght , unl oaded spr i ng hei ght , sol i d spr i ng hei ght , t he r at i o of t he out si de di amet er t o t he oper at i ng spr i ng hei ght , t he l oad t o def l ect i on r at i o of t he spr i ngs, and wei ght and si zes of st r uct ur al st eel member s.

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1. 4. 2 Machi ner y Manuf act ur er ' s Sound Dat a

For each pi ece of i ndi cat ed machi ner y t o be vi br at i on i sol at ed, t he cal cul at ed sound power t est dat a or sound pr essur e t est dat a as l evel s i n dB i n t he ei ght oct ave bands bet ween 63 and 8, 000 Hz. Ref er sound power l evel s t o one pW and sound pr essur e l evel s t o 20 uPa. Submi t t he over al l " A" wei ght ed scal e sound pr essur e l evel i n dB. Submi t t he st andar d t est pr ocedur e used t o obt ai n t he sound power or pr essur e dat a f or t he appl i cabl e v i br at i on i sol at i on equi pment s i ze.

1. 4. 3 Machinery

For each i t em of machi ner y, compar e spr i ng st at i c def l ect i ons wi t h t he speci f i ed mi ni mum st at i c def l ect i on, t o show t hat t he cal cul at ed spr i ng st at i c def l ect i ons ar e not l ess t han t he mi ni mum st at i c def l ect i ons speci f i ed. Rat ed spr i ng st at i c def l ect i ons ar e not accept abl e i n l i eu of cal cul at ed spr i ng st at i c def l ect i ons. When sei smi c pr ot ect i on i s r equi r ed, subst ant i at i ng cal cul at i ons ar e r equi r ed.

1. 4. 4 Machi ner y Over 300 Pounds

For machi ner y i t ems over 300 pounds, pr ovi de cal cul at i ons f or shear , pul l - up, pr i mar y over t ur ni ng, and secondar y over t ur ni ng.

1. 4. 5 Machi ner y Vi br at i on Cr i t er i a

TABLE 1A

Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Absorption Refrigeration Machines

SV-R 1.0 SV-R 1.75 SV-R 2.75

Cent r i f ugal Chi l l er s or Heat Pumps

Her met i c Type SV-B 1.75 SV-B 2.5 SV-B 3.5

Open Type SV-1 1.75 SV-I 2.5 SV-I 3.5

Reci pr ocat i ng Ai r or Ref r i ger at i on Compr essor s

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TABLE 1A

Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

500 t o 750 r pm S-R 1.75 S-R 2.5 S-R 3.5

751 r pm and up S-R 1.5 S-R 2.5 S-R 3.5

Reci pr ocat i ng Chi l l er s or Heat Pumps

500 t o 750 r pm SV-R 1.75 SV-R 2.5 SV-R 3.5

751 r pm and up SV-R 1.5 SV-R 2.5 SV-R 3.5

Packaged Boi l er s SV 1.0 SV 2.5 SV-R 3.5

Cl osed Coupl ed Pumps

Up t o 7- 1/ 2 hp S-I 1.0 S-I 1.0 S-I 1.0

Over 7- 1/ 2 hp S-I 1.5 S-I 2.5 S-I 2.5

Base Mount ed Pumps

Up t o 20 hp S-I 1.5 S-I 2.5 S-I 2.5

20 t o 75 hp S-I 1.5 S-I 2.5 S-I 3.5

Over 75 hp S-I 2.5 S-I 3.5 S-I 3.5

Cool i ng Tower s and Evapor at i ve Condenser s

SV wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s when spr i ngs ar e suppor t ed on beams. Use sel ect i on l i st ed f or col umn suppor t ed f l oor s wi t h up t o 30 f oot col umn spaci ng when spr i ngs ar e l ocat ed on col umns or bear i ng wal l s.

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Fact or y Assembl ed Ai r Handl i ng Equi pment AH, AC and HV Uni t s ( Not e ( 2) )

Suspended Uni t s

Up t o 5 hp H 1.0 H 1.0 H 1.0

Over 5 hp

Up t o 400 r pm H 1.75 H 1.75 H 1.75

Over 401 r pm H 1.0 H 1.5 H 2.5

Fl oor Mount ed Uni t s

Up t o 5 hp S 1.0 S 1.0 S 1.0

Over 5 hp

Up t o 400 r pm S-R 1.75 S-R 1.75 S-R 2.5

Over 401 r pm S-R 1.0 S-R 1.5 S-R 2.5

Cent r i f ugal Bl ower s

175 - 224 r pm S-B 4.75 S-B 4.75 S-B 4.75

225 - 299 r pm S-B 3.75 S-B 4.75 S-B 4.75

300 - 374 r pm S-B 2.75 S-B 4.5 S-B 4.75

375 - 499 r pm S-B 2.5 S-B 3.5 S-B 4.5

Over 500 r pm S-B 1.75 S-B 2.5 S-B 3.5

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Tubul ar Cent r i f ugal and Axi al Fans ( Not e ( 2) )

Suspended H wi t h def l ect i on speci f i ed f or cent r i f ugal bl ower s

Fl oor Mount ed Ar r angement s 1 & 9

S- B wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s

Ut i l i t y Fans ( Not e ( 2) )

Suspended H wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s but not t o exceed 2. 75 i nches

Floor-Mounted S- R wi t h def l ect i ons not speci f i ed f or cent r i f ugal bl ower s but not t o exceed 2. 75 i nches

Hi gh Pr essur e Fans ( 6 I nch Wat er - Col umn St at i c Pr essur e) and Ot her Machi ner i es Pr oduci ng Thr ust ( Not e ( 2) )

HR r ecommended f or mi ni mi zi ng undesi r abl e t hr ust ef f ect s

I nt er nal Combust i on Engi nes and Engi ne Dr i ven Equi p

750 r pm and over S 1.5 S 2.5 S 3.5

Di mmer Banks and Tr ansf or mer s

Up t o 1000 l bs. NM 0.35 NM 0.35 NM 3.5

Over 1000 l bs. SV 1.0 SV 1.0 SV 1.0

NOTES:

( 1) Equi pment Vi br at i on I sol at i on Schedul e Desi gnat i ons ( Hyphenat ed desi gnat i ons ar e combi nat i ons of t he f ol l owi ng: )

B - Wel ded st r uct ur al st eel bases.

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

H - Spr i ng i sol at or s ( suspended equi pment and pi pi ng) . Wher e r equi r ed, pr ovi de wi t h adj ust abl e pr el oadi ng devi ces.

HR - Thr ust r est r ai nt s

I - Concr et e i ner t i a bases wi t h st eel f or ms.

NM - Neopr ene mount s.

NP - Neopr ene pads.

R - St r uct ur al st eel r ai l f or equi pment mount s.

S - Fr eest andi ng spr i ng i sol at or s ( f l oor - mount ed equi pment ) .

SV - Fr eest andi ng spr i ng i sol at or s ( f l oor - mount ed equi pment ) .

SX - Fr eest andi ng spr i ng i sol at or s wi t h adj ust abl e cushi oned ver t i cal st ops and cushi oned hor i zont al st ops ( f l oor - mount ed equi pment . Pr ot ect ed spr i ng i sol at or s SX may be subst i t ut ed wher ever S or SV i s speci f i ed and shal l meet al l r equi r ement s.

( 2) Fans

a. When f an mot or s ar e 75 hp or l ar ger , use t he def l ect i on r equi r ement s f or t he next wi der col umn spaci ng. Except f or bui l di ng sl ab on gr ade a mi ni mum of 2. 5 i nches shoul d be used unl ess l ar ger def l ect i ons ar e speci f i ed i n t he cent r i f ugal bl ower t abl e.

b. Pr ovi de sway br ace i sol at or s f or t ubul ar cent r i f ugal and axi al f ans when t he f an pr essur e exceeds 4 i nches wat er col umn.

c. Pr ovi de i ner t i a bases f or al l f ans i n l i eu of st r uct ur al st eel bases or r ai l s speci f i ed above when t he f an pr essur e exceeds 4 i nches wat er col umn.

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

d. Wi t h at t achi ng br acket s, suspensi on spr i ng i sol at or s br i dge bet ween t he st r uct ur e and t he t hr ust - pr oduci ng machi ner y such as hi gh- pr essur e f an. Bot h t ypes H and HR nor mal l y pr ovi de r eact i on i n t ensi on, whi l e t ypes S, SV, and SX nor mal l y pr ovi de r eact i on i n compr essi on. Thr ust r est r ai nt s ar e l ow- cost and ef f ect i ve component s avai l abl e f r om manuf act ur er s. Use t hr ust r est r ai nt s t o el i mi nat e t he need f or or r educe t he magni t ude of i ner t i a mass when t he mass i s onl y used t o r educe t he di spl acement ef f ect s of t he t hr ust .

TABLE 1B

Cl ass I I Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or basement s bel ow gr ade and f l oor s l abs on ear t h

Equipment Type ( Not e ( 1) ) MSD

Absor pt i on Ref r i ger at i on Machines

NP 0.25

NM 0.35

Cent r i f ugal Chi l l er s or Heat Pumps

Her met i c Type NP 0.25

NM 0.35

Open Type NM-I 0.35

Reci pr ocat i ng Ai r or Ref r i ger at i on Compr essor s

500 t o 750 r pm S 1.0

751 r pm and up S 1.0

Reci pr ocat i ng Chi l l er s or Heat Pumps

500 t o 750 r pm SV 1.0

751 r pm and up SV 1.0

Packaged Boi l er s NP 0.25

NM 0.35

Pumps

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TABLE 1B

Cl ass I I Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or basement s bel ow gr ade and f l oor s l abs on ear t h

Equipment Type ( Not e ( 1) ) MSD

Cl osed Coupl ed NP 0.25

Up t o 7 1/ 2 hp NM 0.35

Over 7 1/ 2 hp S-I 1.0

Base Mount ed

Up t o 20 hp S-I 1.0

20 t o 75 hp S-I 1.0

Over 75 hp S-I 1.0

Cool i ng Tower s and Evapor at i ve Condenser s

NP 0.25

NM 0.35

Fact or y Assembl ed Ai r Handl i ng Equi pment AH, AC and HV Uni t s ( Not e ( 2) )

Suspended Uni t s

Up t o 5 hp H 1.0

Over 5 hp

Up t o 400 r pm H 1.75

Over 401 r pm H 1.0

Fl oor Mount ed Uni t s

Up t o 5 hp NP 0.25

NM 0.35

Over 5 hp

Up t o 400 r pm NM 0.35

Over 401 r pm NM 0.35

Cent r i f ugal Bl ower s

175 - 224 r pm NM-B 0.35

225 - 299 r pm NM-B 0.35

300 - 374 r pm NM-B 0.35

375 - 499 r pm NM-B 0.35

Over 500 r pm NM-B 0.35

Tubul ar Cent r i f ugal and Axi al Fans ( Not e ( 2) )

Suspended H wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s

Fl oor Mount ed Ar r angement s 1 & 9

NM 0.35

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TABLE 1B

Cl ass I I Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or basement s bel ow gr ade and f l oor s l abs on ear t h

Equipment Type ( Not e ( 1) ) MSD

Ut i l i t y Fans ( Not e ( 2) )

Suspended and cent r i f ugal H wi t h def l ect i ons speci f i ed f or

Floor-Mounted NM 0.35

Hi gh Pr essur e Fans ( Over 6 I nch Wat er - Col umnSt at i c Pr essur e) and Ot her Machi ner i es Pr oduci ng Thr ust Not e (2))

HR r ecommended f or mi ni mi zi ng undesi r abl e t hr ust ef f ect s

I nt er nal Combust i on Engi nes and Engi ne Dr i ven Equi p

750 r pm and over S 1.0

Di mmer Banks and Tr ansf or mer s

Up t o 1000 l bs. NP 0.25

NM 0.35

Over 1000 l bs. SV 1.0

NOTES: Not e ( 1) and Not e ( 2) ar e same as f or TABLE 1A.

Pr ovi de vi br at i on i sol at or s and sei smi c snubber s f or mechani cal and el ect r i cal machi ner y and associ at ed pi pi ng and duct wor k as i ndi cat ed, t o mi ni mi ze t r ansmi ssi on of v i br at i ons and st r uct ur e bor ne noi se t o t he bui l di ng st r uct ur e or spaces or f r om t he bui l di ng st r uct ur e t o t he machi ner y. Compl y wi t h t he f ol l owi ng vi br at i on schedul e.

1. 4. 6 Machi ner y Ai r bor ne Sound Level Cr i t er i a

TABLE 2A

Sound Dat a Schedul e

Equipment Maxi mum Sound Power Level ( dB)

Oct ave Band Level Cent er Fr equency ( Hz)

63 125 250 500 1000 2000 4000 8000

Ai r Handl i ng Unit

94 90 89 89 89 84 82 79

Make- Up Ai r Fan 91 91 80 84 82 76 71 65

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TABLE 2A

Sound Dat a Schedul e

Equipment Maxi mum Sound Power Level ( dB)

Oct ave Band Level Cent er Fr equency ( Hz)

63 125 250 500 1000 2000 4000 8000

Air Conditioning Unit

100 96 90 89 86 80 75 72

Boiler 75 72 72 75 76 63 55 50

Chiller 98 98 96 95 93 94 88 81

Cool i ng Tower 110 110 105 102 98 95 92 87

Ai r Compr essor 90 89 92 93 92 92 90 81

Pump 85 80 82 82 80 77 74 72

Fan 55 50 48 47 48 46 42 37

1. 4. 6. 1 Basi c Cr i t er i a

For each pi ece of machi ner y i n t he human wor k envi r onment , do not exceed t he maxi mum ai r bor ne sound l evel s 84 dB A- wei ght ed scal e, cont i nuous or i nt er mi t t ent , or 140 dB peak sound pr essur e- l evel , i mpact or i mpul se, noise.

1. 4. 6. 2 Sound Dat a Schedul e

TABLE 2A

Sound Dat a Schedul e

Equipment Maxi mum Sound Power Level ( dB)

Oct ave Band Level Cent er Fr equency ( Hz)

63 125 250 500 1000 2000 4000 8000

Ai r Handl i ng Unit

94 90 89 89 89 84 82 79

Make- Up Ai r Fan 91 91 80 84 82 76 71 65

Air Conditioning Unit

100 96 90 89 86 80 75 72

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TABLE 2A

Sound Dat a Schedul e

Equipment Maxi mum Sound Power Level ( dB)

Oct ave Band Level Cent er Fr equency ( Hz)

63 125 250 500 1000 2000 4000 8000

Boiler 75 72 72 75 76 63 55 50

Chiller 98 98 96 95 93 94 88 81

Cool i ng Tower 110 110 105 102 98 95 92 87

Ai r Compr essor 90 89 92 93 92 92 90 81

Pump 85 80 82 82 80 77 74 72

Fan 55 50 48 47 48 46 42 37

1. 4. 7 Sei smi c Pr ot ect i on Cr i t er i a

Use a Hor i zont al For ce Fact or mi ni mum 60 per cent of t he machi ner y wei ght consi der ed passi ng t hr ough t he machi ner y cent er of gr avi t y i n any hor i zont al di r ect i on. Unl ess v i br at i on i sol at i on i s r equi r ed t o pr ot ect machi ner y agai nst unaccept abl e st r uct ur e t r ansmi t t ed noi se or v i br at i on, pr ot ect t he st r uct ur e or machi ner y f r om ear t hquakes by r i gi d st r uct ur al l y sound at t achment t o t he l oad- suppor t i ng st r uct ur e. Pr ot ect each pi ece of v i br at i on- i sol at ed machi ner y wi t h pr ot ect ed spr i ng i sol at or s or separ at e sei smi c r est r ai nt devi ces. Det er mi ne by cal cul at i ons t he number and si ze of sei smi c r est r ai nt s needed f or each machi ner y. Ver i f y sei smi c r est r ai nt vendor ' s cal cul at i ons by a r egi st er ed pr of essi onal engi neer . Pr ovi de sei smi c snubber s and pr ot ect ed spr i ng i sol at or s r at ed i n t hr ee pr i nci pl e axes. Ver i f y r at i ngs by i ndependent l abor at or y t est i ng, by anal ysi s of an i ndependent l i censed st r uct ur al engi neer , or by R- number r at i ngs by Cal i f or ni a St at e.

1. 4. 8 Welding

AWS D1. 1/ D1. 1M.

1. 5 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or QC appr oval .

Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00 SUBMI TTAL

PROCEDURES:

SD- 02 Shop Dr awi ngs

I ner t i a Bases

Machi ner y Bases

Platforms

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Rails

Saddles

SD- 03 Pr oduct Dat a

Isolators

Fl exi bl e Connect or s

Fl exi bl e Duct Connect or s

Pi pe Gui des

Sei smi c Snubber s

Ver t i cal St ops

Thr ust Rest r ai nt s

I ner t i a Bases

Machi ner y Bases

Machi ner y Foundat i ons and Subbases

Platforms

Rails

Saddles

Machi ner y Manuf act ur er ' s Sound Dat a

SD- 05 Desi gn Dat a

I ner t i a Bases

Machi ner y Bases

Platforms

Rails

Saddles

Each I t em of Machi ner y

Each I t em of Machi ner y Over 300 Pounds

Submi t desi gn cal cul at i ons f or i ner t i a bases, machi ner y bases, pl at f or ms, r ai l s, and saddl es, ei t her by t he machi ner y manuf act ur er f or t he r ecommended machi ner y mount i ng or by t he v i br at i on- i sol at i on equi pment manuf act ur er .

SD- 06 Test Repor t s

Sei smi c Snubber s

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Equi pment Vi br at i on Test s

Equi pment Sound Level Test s

Pr ot ect ed Spr i ng I sol at or s

Submi t sei smi c pr ot ect i on r at i ng i n t hr ee pr i nci pal axes cer t i f i ed by an i ndependent l abor at or y or anal yzed by an i ndependent l i censed st r uct ur al engi neer .

SD- 08 Manuf act ur er ' s I nst r uct i ons

Vi br at i on and Noi se I sol at i on Component s

Sei smi c Pr ot ect i on Component s

1. 6 QUALI TY ASSURANCE

1. 6. 1 Vi br at i on I sol at or Pr ocur ement

For each pi ece of machi ner y t o be i sol at ed f r om vi br at i on, suppl y t he i ner t i a base, machi ner y base, pl at f or m, r ai l s, saddl es, v i br at i on i sol at or s, sei smi c snubber s, and ot her associ at ed mat er i al s and equi pment as a coor di nat ed package by a s i ngl e manuf act ur er or by t he machi ner y manuf act ur er . Sel ect i sol at or s t hat pr ovi de uni f or m def l ect i on even when machi ner y wei ght i s not evenl y di st r i but ed. Thi s r equi r ement does not i ncl ude t he f l exi bl e connect or s or t he hanger s f or t he associ at ed pi pi ng and duct wor k.

1. 6. 2 Uni t i zed Machi ner y Assembl i es

Mount i ng of uni t i zed assembl i es di r ect l y on vi br at i on i sol at i on spr i ngs i s accept abl e i f machi ner y manuf act ur er cer t i f i es t hat t he end suppor t s of t he assembl i es have been desi gned f or such i nst al l at i on.

PART 2 PRODUCTS

2. 1 CORROSI ON PROTECTI ON FOR STEEL PARTS

ASTM A123/ A123M hot - di pped gal vani zed, or equi val ent manuf act ur er st andar d coat i ngs. Wher e st eel par t s ar e exposed t o t he weat her , pr ovi de gal vani zed coat i ng of at l east 2 ounces of z i nc per squar e f oot of sur f ace. Coat spr i ngs wi t h neopr ene.

2. 2 NEOPRENE

ASTM D471 and ASTM D2240, Gr ade Dur omet er 40, 50, or 60, and oi l r esi st ant .

2. 3 FLOOR- MOUNTED I SOLATORS

2. 3. 1 Neopr ene I sol at i on Pads

Pr ovi de pads at l east 1/ 4 i nch t hi ck wi t h cr oss- r i bbed or waf f l e desi gn.

For concent r at ed l oads, pr ovi de st eel bear i ng pl at es bonded or col d cement ed t o t he pads.

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2. 3. 2 Neopr ene I sol at or s

Pr ovi de mol ded neopr ene i sol at or s havi ng st eel base pl at es wi t h mount i ng hol es and, at t he t op, st eel mount i ng pl at es wi t h mount i ng hol es or t hr eaded i nser t s. Pr ovi de el ement s of t ype and si ze coded wi t h mol ded l et t er s or col or - coded f or capaci t y i dent i f i cat i on. Embed met al par t s compl et el y i n neopr ene.

2. 4 SPRI NG I SOLATORS AND PROTECTED SPRI NG I SOLATORS

Pr ovi de spr i ng i sol at or s or pr ot ect ed spr i ng i sol at or s t hat ar e adj ust abl e and l at er al l y st abl e wi t h f r ee- st andi ng spr i ngs of hor i zont al st i f f ness at mi ni mum 80 per cent of t he ver t i cal ( axi al ) st i f f ness. For machi ne- at t ached and f l oor - at t ached r est r ai ni ng el ement s, separ at e f r om met al - t o- met al cont act by neopr ene cushi ons 1/ 8 i nch t hi ck mi ni mum.

Pr ovi de neopr ene acoust i c f r i c t i on pads at l east 1/ 4 i nch t hi ck.

2. 4. 1 Springs

Pr ovi de spr i ngs wi t h base and compr essi on pl at es, t o keep spr i ng ends par al l el dur i ng and af t er def l ect i on t o oper at i ng hei ght . Pr ovi de out si de coi l di amet er s at l east 0. 8 of t he oper at i ng hei ght . At oper at i ng hei ght , spr i ngs shal l have addi t i onal t r avel t o compl et e ( sol i d) compr essi on equal t o at l east 50 per cent of t he oper at i ng def l ect i on.

2. 4. 2 Mount i ng and Adj ust ment

Pr ovi de base and compr essi on pl at es wi t h mount i ng hol es or t hr eaded f i t t i ngs. Bol t l evel i ng adj ust ment bol t s t o machi ner y or base.

2. 5 SUSPENSI ON I SOLATORS

Pr ovi de hanger s wi t h suspensi on i sol at or s encased i n open st eel br acket s.

I sol at e hanger r ods f r om i sol at or st eel br acket s wi t h neopr ene- l i ned opening.

2. 5. 1 Suspensi on Neopr ene I sol at or s

Pr ovi de doubl e- def l ect i on el ement s wi t h mi ni mum 3/ 8 i nch def l ect i on.

2. 5. 2 Suspensi on Spr i ng I sol at or s

Pr ovi de hanger s wi t h spr i ngs and mol ded neopr ene el ement s i n ser i es.

Pr ovi de i sol at or s wi t h adj ust abl e spr i ng- pr el oadi ng devi ces wher e r equi r ed t o mai nt ai n const ant pi pe el evat i ons dur i ng i nst al l at i on and when pi pe oper at i onal l oads ar e t r ansf er r ed t o t he spr i ngs.

2. 6 MACHI NERY BASES , PLATFORMS , RAI LS SADDLES

ASTM A36/ A36M and AI SC 360.

2. 7 I NERTI A BASES

ASTM A36/ A36M st eel , ASTM C94/ C94M ( 2, 500 psi ) concr et e.

2. 8 FLEXI BLE CONNECTORS FOR PI PI NG

St r ai ght or el bow f l exi bl e connect or s r at ed f or t emper at ur es, pr essur es, and f l ui ds t o be conveyed. Pr ovi de f l exi bl e connect or s wi t h t he st r engt h

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4 t i mes oper at i ng pr essur e at hi ghest syst em oper at i ng t emper at ur e.

Pr ovi de el bow f l exi bl e connect or s wi t h a per manent l y set angl e.

2. 8. 1 El ast omer i c Fl exi bl e Connect or s

Fabr i cat ed of mul t i pl e pl i es of t i r e cor d f abr i c and el ast omer i c mat er i al s wi t h i nt egr al r ei nf or ced el ast omer i c f l anges wi t h gal vani zed mal l eabl e i r on back up r i ngs.

2. 8. 2 Met al Fl exi bl e Connect or s

Fabr i cat ed of Gr ade E phosphor br onze, monel or cor r ugat ed st ai nl ess st eel t ube cover ed wi t h compar abl e br onze or st ai nl ess st eel br ai d r est r ai ni ng and pr essur e cover .

2. 9 FLEXI BLE DUCT CONNECTORS

Pr ovi de f l exi bl e duct connect or s f abr i cat ed i n accor dance wi t h SMACNA 1403 .

2. 10 SEI SMI C SNUBBERS FOR EQUI PMENT

Fact or y- f abr i cat ed, omni - di r ect i onal wi t h f act or y set ai r gaps bet ween 1/ 8 i nch mi ni mum and 1/ 4 i nch maxi mum. Load capaci t y of each snubber at 50 per cent neopr ene el ement def l ect i on shal l be 0. 5g mi ni mum. Pr ovi de r epl aceabl e neopr ene el ement s 1/ 4 i nch mi ni mum t hi ckness.

2. 11 PI PE GUI DES

Fact or y- f abr i cat ed. Wel d st eel bar gui des t o t he pi pe at a maxi mum r adi al spaci ng of 60 degr ees. The out si de di amet er ar ound t he gui de bar s shal l be smal l er t han t he i nsi de di amet er of t he gui de sl eeve i n accor dance wi t h st andar d f i el d const r uct i on pr act i ce. For pi pe t emper at ur es bel ow 60 degr ees F, pr ovi de met al s l eeve, mi ni mum one pound per cubi c f oot densi t y insulation.

2. 12 THRUST RESTRAI NTS

Adj ust abl e spr i ng t hr ust r est r ai nt s, abl e t o r esi st t he t hr ust f or ce wi t h at l east 25 per cent unused capaci t y. The oper at i ng spr i ng def l ect i on shal l be not l ess t han 50 per cent of t he st at i c def l ect i on of t he i sol at i on suppor t i ng t he machi ner y.

2. 13 SEI SMI C PROTECTI ON COMPONENTS FOR PI PI NG AND DUCTWORK

SMACNA 1981.

PART 3 EXECUTI ON

3. 1 INSTALLATION

3. 1. 1 Vi br at i on and Noi se I sol at i on Component s

I nst al l v i br at i on- and- noi se i sol at i on mat er i al s and equi pment as i ndi cat ed and i n accor dance wi t h machi ner y manuf act ur er ' s i nst r uct i ons.

3. 1. 2 Suspensi on Vi br at i on I sol at or s

Pr ovi de suspensi on i sol at i on hanger s f or pi pi ng, suspended equi pment , and suspended equi pment pl at f or ms i n mechani cal equi pment r ooms, as i ndi cat ed

Apr i l 2019 Page 16 SECTI ON 22 05 48. 00 20 and as speci f i ed. For oper at i ng l oad st at i c def l ect i ons of 1/ 4 i nch or l ess, pr ovi de neopr ene pads or s i ngl e def l ect i on neopr ene i sol at or s. For oper at i ng l oad st at i c def l ect i ons over 5/ 16 t o 3/ 8 i nch, pr ovi de doubl e- def l ect i on neopr ene el ement i sol at or s. For oper at i ng l oad st at i c def l ect i ons over 3/ 8 i nch, pr ovi de i sol at or s wi t h spr i ng and neopr ene el ement s i n ser i es.

3. 1. 3 Ver t i cal St ops

For machi ner y af f ect ed by wi nd pr essur e or havi ng an oper at i onal wei ght di f f er ent f r om i nst al l ed wei ght , pr ovi de r esi l i ent ver t i cal l i mi t st ops whi ch pr event spr i ng ext ensi on when wei ght i s r emoved. Pr ovi de ver t i cal st ops f or machi ner y cont ai ni ng l i qui d, such as wat er chi l l er s, evapor at i ve cool er s, boi l er s, and cool i ng t ower s. Spr i ng i sol at ed or pr ot ect ed spr i ng i sol at ed machi ner y must r ock and move f r eel y wi t hi n l i mi t s of st ops or sei smi c r est r ai nt devi ces.

3. 1. 4 Thr ust Rest r ai nt s

Wher e r equi r ed, pr ovi de pai r s of t hr ust r est r ai nt s, symmet r i cal l y i nst al l ed on bot h s i des of t he st eady st at e l i ne of t hr ust .

3. 1. 5 Fl exi bl e Pi pe and Duct Connect or s

I nst al l f l exi bl e connect or s i n accor dance wi t h t he manuf act ur er ' s i nst r uct i ons. When l i qui d pul sat i on dampeni ng i s r equi r ed, f l exi bl e connect or s wi t h spher i cal conf i gur at i on may be used. Pr ovi de r est r ai nt s f or pi pe connect or s at pumps t o pr event connect or f ai l ur e upon pump startup.

3. 1. 6 Sei smi c Snubber s

Pr ovi de snubber s as c l ose as possi bl e t o each vi br at i on i sol at or as i ndi cat ed. Af t er i nst al l i ng and l evel i ng of t he machi ner y, adj ust snubber s i n accor dance wi t h t he snubber manuf act ur er ' s i nst r uct i ons.

3. 1. 7 Machinery

Pr ovi de vi br at i on i sol at or s, f l exi bl e connect or s and sei smi c snubber s i n accor dance wi t h manuf act ur er ' s r ecommendat i ons. Machi ner y wi t h spr i ng i sol at or s or pr ot ect ed spr i ng i sol at or s shal l r ock or move f r eel y wi t hi n l i mi t s of st ops or sei smi c snubber r est r ai nt s.

3. 1. 7. 1 Stability

I sol at or s shal l be st abl e dur i ng st ar t i ng and st oppi ng of machi ner y wi t hout t r aver se and eccent r i c movement of machi ner y t hat woul d damage or adver sel y af f ect t he machi ner y or at t achment s.

3. 1. 7. 2 Lat er al Mot i on

The i nst al l ed v i br at i on i sol at i on syst em f or each pi ece of f l oor or cei l i ng mount ed machi ner y shal l have a maxi mum l at er al mot i on under machi ner y st ar t up and shut down condi t i ons of not mor e t han 1/ 4 i nch.

Rest r ai n mot i ons i n excess by appr oved spr i ng mount i ngs.

3. 1. 7. 3 Unbal anced Machi ner y

Pr ovi de f oundat i on suspensi on syst ems speci f i cal l y desi gned t o r esi st hor i zont al f or ces f or machi ner y wi t h l ar ge unbal anced hor i zont al f or ces.

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Vi br at i on i sol at or syst ems shal l conf or m t o t he machi ner y manuf act ur er ' s recommendations.

3. 1. 7. 4 Nonr ot at i ng Machi ner y

Mount nonr ot at i ng machi ner y i n syst ems whi ch i ncl udes r ot at i ng or v i br at i ng machi ner y on i sol at or s havi ng t he same def l ect i on as t he hanger s and suppor t s f or t he pi pe connect ed t o.

3. 1. 7. 5 Uni t i zed Machi ner y Assembl i es

TABLE 3A

Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Absorption Refrigeration Machines

SV-R 1.0 SV-R 1.75 SV-R 2.75

Cent r i f ugal Chi l l er s or Heat Pumps

Her met i c Type SV-B 1.75 SV-B 2.5 SV-B 3.5

Open Type SV-1 1.75 SV-I 2.5 SV-I 3.5

Reci pr ocat i ng Ai r or Ref r i ger at i on Compr essor s

500 t o 750 r pm S-R 1.75 S-R 2.5 S-R 3.5

751 r pm and up S-R 1.5 S-R 2.5 S-R 3.5

Reci pr ocat i ng Chi l l er s or Heat Pumps

500 t o 750 r pm SV-R 1.75 SV-R 2.5 SV-R 3.5

751 r pm and up SV-R 1.5 SV-R 2.5 SV-R 3.5

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TABLE 3A

Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Packaged Boilers

SV 1.0 SV 2.5 SV-R 3.5

Cl osed Coupl ed Pumps

Up t o 7- 1/ 2 hp S-I 1.0 S-I 1.0 S-I 1.0

Over 7- 1/ 2 hp S-I 1.5 S-I 2.5 S-I 2.5

Base Mount ed Pumps

Up t o 20 hp S-I 1.5 S-I 2.5 S-I 2.5

20 t o 75 hp S-I 1.5 S-I 2.5 S-I 3.5

Over 75 hp S-I 2.5 S-I 3.5 S-I 3.5

Cool i ng Tower s and Evapor at i ve Condenser s

SV wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s when spr i ngs ar e suppor t ed on beams. Use sel ect i on l i st ed f or col umn suppor t ed f l oor s wi t h up t o 30 f oot col umn spaci ng when spr i ngs ar e l ocat ed on col umns or bear i ng wal l s.

Fact or y Assembl ed Ai r Handl i ng Equi pment AH, AC and HV Uni t s ( Not e ( 2) )

Suspended Uni t s

Up t o 5 hp H 1.0 H 1.0 H 1.0

Over 5 hp

Up t o 400 r pm H 1.75 H 1.75 H 1.75

Over 401 r pm H 1.0 H 1.5 H 2.5

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Fl oor Mount ed Uni t s

Up t o 5 hp S 1.0 S 1.0 S 1.0

Over 5 hp

Up t o 400 r pm S-R 1.75 S-R 1.75 S-R 2.5

Over 401 r pm S-R 1.0 S-R 1.5 S-R 2.5

Cent r i f ugal Bl ower s

175 - 224 r pm S-B 4.75 S-B 4.75 S-B 4.75

225 - 299 r pm S-B 3.75 S-B 4.75 S-B 4.75

300 - 374 r pm S-B 2.75 S-B 4.5 S-B 4.75

375 - 499 r pm S-B 2.5 S-B 3.5 S-B 4.5

Over 500 r pm S-B 1.75 S-B 2.5 S-B 3.5

Tubul ar Cent r i f ugal and Axi al Fans ( Not e ( 2) )

Suspended H wi t h def l ect i on speci f i ed f or cent r i f ugal bl ower s

Fl oor Mount ed Ar r angement s 1 & 9

S- B wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s

Ut i l i t y Fans ( Not e ( 2) )

Suspended H wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s but not t o exceed 2. 75 i nches

Floor-Mounted S- R wi t h def l ect i ons not speci f i ed f or cent r i f ugal bl ower s but not t o exceed 2. 75 i nches

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Hi gh Pr essur e Fans ( 6 I nch Wat er - Col umn St at i c Pr essur e) and Ot her Machi ner i es Pr oduci ng Thr ust ( Not e ( 2) )

HR r ecommended f or mi ni mi zi ng undesi r abl e t hr ust ef f ect s

I nt er nal Combust i on Engi nes and Engi ne Dr i ven Equi p

750 r pm and over

S 1.5 S 2.5 S 3.5

Di mmer Banks and Tr ansf or mer s

Up t o 1000 l bs. NM 0.35 NM 0.35 NM 3.5

Over 1000 l bs. SV 1.0 SV 1.0 SV 1.0

NOTES:

( 1) Equi pment Vi br at i on I sol at i on Schedul e Desi gnat i ons ( Hyphenat ed desi gnat i ons ar e combi nat i ons of t he f ol l owi ng: )

B - Wel ded st r uct ur al st eel bases.

H - Spr i ng i sol at or s ( suspended equi pment and pi pi ng) . Wher e r equi r ed, pr ovi de wi t h adj ust abl e pr el oadi ng devi ces.

HR - Thr ust r est r ai nt s

I - Concr et e i ner t i a bases wi t h st eel f or ms.

NM - Neopr ene mount s.

NP - Neopr ene pads.

R - St r uct ur al st eel r ai l f or equi pment mount s.

S - Fr eest andi ng spr i ng i sol at or s ( f l oor - mount ed equi pment ) .

SV - Fr eest andi ng spr i ng i sol at or s ( f l oor - mount ed equi pment ) .

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Col umn Spaci ng Sl ab on ear t h and 0- 30 f eet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

Type ( Not e ( 1) )

MSD ( Not e (1))

SX - Fr eest andi ng spr i ng i sol at or s wi t h adj ust abl e cushi oned ver t i cal st ops and cushi oned hor i zont al st ops ( f l oor - mount ed equi pment . Pr ot ect ed spr i ng i sol at or s SX may be subst i t ut ed wher ever S or SV i s speci f i ed and shal l meet al l r equi r ement s.

( 2) Fans

a. When f an mot or s ar e 75 hp or l ar ger , use t he def l ect i on r equi r ement s f or t he next wi der col umn spaci ng. Except f or bui l di ng sl ab on gr ade a mi ni mum of 2. 5 i nches shoul d be used unl ess l ar ger def l ect i ons ar e speci f i ed i n t he cent r i f ugal bl ower t abl e.

b. Pr ovi de sway br ace i sol at or s f or t ubul ar cent r i f ugal and axi al f ans when t he f an pr essur e exceeds 4 i nches wat er col umn.

c. Pr ovi de i ner t i a bases f or al l f ans i n l i eu of st r uct ur al st eel bases or r ai l s speci f i ed above when t he f an pr essur e exceeds 4 i nches wat er col umn.

d. Wi t h at t achi ng br acket s, suspensi on spr i ng i sol at or s br i dge bet ween t he st r uct ur e and t he t hr ust - pr oduci ng machi ner y such as hi gh- pr essur e f an. Bot h t ypes H and HR nor mal l y pr ovi de r eact i on i n t ensi on, whi l e t ypes S, SV, and SX nor mal l y pr ovi de r eact i on i n compr essi on. Thr ust r est r ai nt s ar e l ow- cost and ef f ect i ve component s avai l abl e f r om manuf act ur er s. Use t hr ust r est r ai nt s t o el i mi nat e t he need f or or r educe t he magni t ude of i ner t i a mass when t he mass i s onl y used t o r educe t he di spl acement ef f ect s of t he t hr ust .

Uni t i zed assembl i es such as chi l l er s wi t h evapor at or and condenser , and t op mount ed cent r i f ugal compr essor or uni t i zed absor pt i on r ef r i ger at i on machi nes, st r uct ur al l y desi gned wi t h end suppor t s, may be mount ed on st eel r ai l s and spr i ngs i n l i eu of st eel bases and spr i ngs. Wher e t he sl ab or deck i s l ess t han 4 i nches t hi ck, pr ovi de spr i ng i sol at i on uni t s wi t h t he def l ect i on doubl e t hat of t he v i br at i on i sol at i on schedul e, up t o a maxi mum st at i c def l ect i on of 5 i nches.

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3. 1. 7. 6 Roof and Upper Fl oor Mount ed Machi ner y

TABLE 3A

Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Column Spacing

Sl ab on ear t h and 0- 30 feet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Absorption Refrigeration Machines

SV-R 1.0 SV-R 1.75 SV-R 2.75

Cent r i f ugal Chi l l er s or Heat Pumps

Hermetic Type

SV-B 1.75 SV-B 2.5 SV-B 3.5

Open Type SV-1 1.75 SV-I 2.5 SV-I 3.5

Reci pr ocat i ng Ai r or Ref r i ger at i on Compr essor s

500 t o 750 rpm

S-R 1.75 S-R 2.5 S-R 3.5

751 r pm and up

S-R 1.5 S-R 2.5 S-R 3.5

Reci pr ocat i ng Chi l l er s or Heat Pumps

500 t o 750 rpm

SV-R 1.75 SV-R 2.5 SV-R 3.5

751 r pm and up

SV-R 1.5 SV-R 2.5 SV-R 3.5

Packaged Boilers

SV 1.0 SV 2.5 SV-R 3.5

Cl osed Coupl ed Pumps

Up t o 7- 1/ 2 hp

S-I 1.0 S-I 1.0 S-I 1.0

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Column Spacing

Sl ab on ear t h and 0- 30 feet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Over 7- 1/ 2 hp

S-I 1.5 S-I 2.5 S-I 2.5

Base Mount ed Pumps

Up t o 20 hp S-I 1.5 S-I 2.5 S-I 2.5

20 t o 75 hp S-I 1.5 S-I 2.5 S-I 3.5

Over 75 hp S-I 2.5 S-I 3.5 S-I 3.5

Cool i ng Tower s and Evapor at i ve Condenser s

SV wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s when spr i ngs ar e suppor t ed on beams. Use sel ect i on l i st ed f or col umn suppor t ed f l oor s wi t h up t o 30 f oot col umn spaci ng when spr i ngs ar e l ocat ed on col umns or bear i ng wal l s.

Fact or y Assembl ed Ai r Handl i ng Equi pment AH, AC and HV Uni t s ( Not e ( 2) )

Suspended Uni t s

Up t o 5 hp H 1.0 H 1.0 H 1.0

Over 5 hp

Up t o 400 rpm

H 1.75 H 1.75 H 1.75

Over 401 rpm

H 1.0 H 1.5 H 2.5

Fl oor Mount ed Uni t s

Up t o 5 hp S 1.0 S 1.0 S 1.0

Over 5 hp

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Column Spacing

Sl ab on ear t h and 0- 30 feet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Up t o 400 rpm

S-R 1.75 S-R 1.75 S-R 2.5

Over 401 rpm

S-R 1.0 S-R 1.5 S-R 2.5

Cent r i f ugal Bl ower s

175 - 224 rpm

S-B 4.75 S-B 4.75 S-B 4.75

225 - 299 rpm

S-B 3.75 S-B 4.75 S-B 4.75

300 - 374 rpm

S-B 2.75 S-B 4.5 S-B 4.75

375 - 499 rpm

S-B 2.5 S-B 3.5 S-B 4.5

Over 500 rpm

S-B 1.75 S-B 2.5 S-B 3.5

Tubul ar Cent r i f ugal and Axi al Fans ( Not e ( 2) )

Suspended H wi t h def l ect i on speci f i ed f or cent r i f ugal bl ower s

Fl oor Mount ed Ar r angement s 1 & 9

S- B wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s

Ut i l i t y Fans ( Not e ( 2) )

Suspended H wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s but not t o exceed 2. 75 i nches

Floor-Mounted S- R wi t h def l ect i ons not speci f i ed f or cent r i f ugal bl ower s but not t o exceed 2. 75 i nches

Hi gh Pr essur e Fans ( 6 I nch Wat er - Col umn St at i c Pr essur e) and Ot her Machi ner i es Pr oduci ng Thr ust ( Not e (2))

HR r ecommended f or mi ni mi zi ng undesi r abl e t hr ust ef f ect s

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Column Spacing

Sl ab on ear t h and 0- 30 feet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

I nt er nal Combust i on Engi nes and Engi ne Dr i ven Equi p

750 r pm and over

S 1.5 S 2.5 S 3.5

Di mmer Banks and Tr ansf or mer s

Up t o 1000 lbs.

NM 0.35 NM 0.35 NM 3.5

Over 1000 lbs.

SV 1.0 SV 1.0 SV 1.0

NOTES:

( 1) Equi pment Vi br at i on I sol at i on Schedul e Desi gnat i ons ( Hyphenat ed desi gnat i ons ar e combi nat i ons of t he f ol l owi ng: )

B - Wel ded st r uct ur al st eel bases.

H - Spr i ng i sol at or s ( suspended equi pment and pi pi ng) . Wher e r equi r ed, pr ovi de wi t h adj ust abl e pr el oadi ng devi ces.

HR - Thr ust r est r ai nt s

I - Concr et e i ner t i a bases wi t h st eel f or ms.

NM - Neopr ene mount s.

NP - Neopr ene pads.

R - St r uct ur al st eel r ai l f or equi pment mount s.

S - Fr eest andi ng spr i ng i sol at or s ( f l oor - mount ed equi pment ) .

SV - Fr eest andi ng spr i ng i sol at or s ( f l oor - mount ed equi pment ) .

SX - Fr eest andi ng spr i ng i sol at or s wi t h adj ust abl e cushi oned ver t i cal st ops and cushi oned hor i zont al st ops ( f l oor - mount ed equi pment . Pr ot ect ed spr i ng i sol at or s SX may be subst i t ut ed wher ever S or SV i s speci f i ed and shal l meet al l requirements.

( 2) Fans

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Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or 4- 8 i nch sl ab on gr ade and col umn suppor t ed.

Column Spacing

Sl ab on ear t h and 0- 30 feet

31- 40 f eet 41- 50 f eet

Equipment Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

Type ( Not e (1))

MSD ( Not e (1))

a. When f an mot or s ar e 75 hp or l ar ger , use t he def l ect i on r equi r ement s f or t he next wi der col umn spaci ng. Except f or bui l di ng sl ab on gr ade a mi ni mum of 2. 5 i nches shoul d be used unl ess l ar ger def l ect i ons ar e speci f i ed i n t he cent r i f ugal bl ower table.

b. Pr ovi de sway br ace i sol at or s f or t ubul ar cent r i f ugal and axi al f ans when t he f an pr essur e exceeds 4 i nches wat er col umn.

c. Pr ovi de i ner t i a bases f or al l f ans i n l i eu of st r uct ur al st eel bases or r ai l s speci f i ed above when t he f an pr essur e exceeds 4 i nches wat er col umn.

d. Wi t h at t achi ng br acket s, suspensi on spr i ng i sol at or s br i dge bet ween t he st r uct ur e and t he t hr ust - pr oduci ng machi ner y such as hi gh- pr essur e f an. Bot h t ypes H and HR nor mal l y pr ovi de r eact i on i n t ensi on, whi l e t ypes S, SV, and SX nor mal l y pr ovi de r eact i on i n compr essi on. Thr ust r est r ai nt s ar e l ow- cost and ef f ect i ve component s avai l abl e f r om manuf act ur er s. Use t hr ust r est r ai nt s t o el i mi nat e t he need f or or r educe t he magni t ude of i ner t i a mass when t he mass i s onl y used t o r educe t he di spl acement ef f ect s of t he t hr ust .

TABLE 3B

Cl ass I I Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or basement s bel ow gr ade and f l oor s l abs on ear t h

Equipment Type ( Not e ( 1) ) MSD

Absor pt i on Ref r i ger at i on Machines

NP 0.25

NM 0.35

Cent r i f ugal Chi l l er s or Heat Pumps

Her met i c Type NP 0.25

NM 0.35

Open Type NM-I 0.35

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TABLE 3B

Cl ass I I Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or basement s bel ow gr ade and f l oor s l abs on ear t h

Equipment Type ( Not e ( 1) ) MSD

Reci pr ocat i ng Ai r or Ref r i ger at i on Compr essor s

500 t o 750 r pm S 1.0

751 r pm and up S 1.0

Reci pr ocat i ng Chi l l er s or Heat Pumps

500 t o 750 r pm SV 1.0

751 r pm and up SV 1.0

Packaged Boi l er s NP 0.25

NM 0.35

Pumps

Cl osed Coupl ed NP 0.25

Up t o 7 1/ 2 hp NM 0.35

Over 7 1/ 2 hp S-I 1.0

Base Mount ed

Up t o 20 hp S-I 1.0

20 t o 75 hp S-I 1.0

Over 75 hp S-I 1.0

Cool i ng Tower s and Evapor at i ve Condenser s

NP 0.25

NM 0.35

Fact or y Assembl ed Ai r Handl i ng Equi pment AH, AC and HV Uni t s ( Not e ( 2) )

Suspended Uni t s

Up t o 5 hp H 1.0

Over 5 hp

Up t o 400 r pm H 1.75

Over 401 r pm H 1.0

Fl oor Mount ed Uni t s

Up t o 5 hp NP 0.25

NM 0.35

Over 5 hp

Up t o 400 r pm NM 0.35

Over 401 r pm NM 0.35

Cent r i f ugal Bl ower s

175 - 224 r pm NM-B 0.35

225 - 299 r pm NM-B 0.35

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TABLE 3B

Cl ass I I Vi br at i on I sol at or Types and Mi ni mum St at i c Def l ect i on

( MSD, i nches) f or basement s bel ow gr ade and f l oor s l abs on ear t h

Equipment Type ( Not e ( 1) ) MSD

300 - 374 r pm NM-B 0.35

375 - 499 r pm NM-B 0.35

Over 500 r pm NM-B 0.35

Tubul ar Cent r i f ugal and Axi al Fans ( Not e ( 2) )

Suspended H wi t h def l ect i ons speci f i ed f or cent r i f ugal bl ower s

Fl oor Mount ed Ar r angement s 1 & 9

NM 0.35

Ut i l i t y Fans ( Not e ( 2) )

Suspended and cent r i f ugal H wi t h def l ect i ons speci f i ed f or

Floor-Mounted NM 0.35

Hi gh Pr essur e Fans ( Over 6 I nch Wat er - Col umn St at i c Pr essur e) and Ot her Machi ner i es Pr oduci ng Thr ust ( Not e (2))

HR r ecommended f or mi ni mi zi ng undesi r abl e t hr ust ef f ect s

I nt er nal Combust i on Engi nes and Engi ne Dr i ven Equi p

750 r pm and over S 1.0

Di mmer Banks and Tr ansf or mer s

Up t o 1000 l bs. NP 0.25

NM 0.35

Over 1000 l bs. SV 1.0

NOTES: Not e ( 1) and Not e ( 2) ar e same as f or TABLE 3A.

On t he r oof or upper f l oor s, mount machi ner y on i sol at or s wi t h ver t i cal st ops. Rest i sol at or s on beams or st r uct ur es desi gned and i nst al l ed i n accor dance wi t h t he SMACNA 1793, Pl at e 61.

3. 1. 8 Pi pi ng and Hi gh Pr essur e Duct wor k

Pr ovi de vi br at i on i sol at i on f or pi pi ng and hi gh pr essur e duct wor k wi t h over 6 i nches wat er col umn. The i sol at or def l ect i ons shal l be equal t o or gr eat er t han t he st at i c def l ect i on of t he v i br at i on i sol at or s pr ovi ded f or t he connect ed machi ner y as f ol l ows:

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3. 1. 8. 1 Hi gh Pr essur e Duct wor k

For a di st ance of 50 f eet f r om f ans, exhaust er s and bl ower s.

3. 1. 8. 2 Pi pi ng Connect ed t o Vi br at i on I sol at ed Machi ner y

For a di st ance of 50 f eet or 50 pi pe di amet er s, whi chever i s gr eat er .

3. 1. 8. 3 St eam Pr essur e Reduci ng Val ves

Connect ed pi pi ng f or a di st ance of 50 f eet or 50 pi pe di amet er s, whi chever i s gr eat er .

3. 1. 8. 4 Condenser Wat er

For t he f ul l l engt h of t he pi pi ng.

3. 1. 8. 5 Chi l l ed, Hot , and Dual Temper at ur e Pi pi ng

For r i ser s f r om pumps and f or t he f i r st 20 f eet of t he br anch connect i on of t he mai n suppl y and r et ur n pi pi ng at each f l oor .

3. 1. 9 Wat er and St eam Di st r i but i on Pi pi ng Appl i cat i on

Resi l i ent l y suppor t pi pi ng wi t h combi nat i on spr i ng and neopr ene i sol at i on hanger s. Pr ovi de spr i ng el ement s wi t h 5/ 8 i nch st at i c def l ect i on; i nst al l t he hanger wi t h spaci ng so t hat t he f i r st har moni c nat ur al f r equency i s not l ess t han 360 Hz. Pr ovi de doubl e- def l ect i on neopr ene el ement s. For t he f i r st t wo i sol at i on hanger s f r om t he r ot at i ng equi pment of 3 1/ 2 i nch and smal l er pi pi ng syst ems, ensur e a def l ect i on equal t o t he equi pment - i sol at i on st at i c def l ect i on. For t he f i r st f our pi pi ng i sol at i on hanger suppor t s f r om r ot at i ng equi pment of 4 i nch and l ar ger pi pi ng syst ems, use r esi l i ent hanger - r od i sol at or s at a f i xed el evat i on r egar dl ess of l oad changes. I ncor por at e an adj ust abl e pr el oadi ng devi ce t o t r ansf er t he l oad t o t he spr i ng el ement wi t hi n t he hanger mount i ng af t er t he pi pi ng syst em has been f i l l ed wi t h wat er .

3. 1. 10 Pi pe Hanger and Suppor t I nst al l at i on

3. 1. 10. 1 Pi pe Hanger s

Pr ovi de eye- bol t s or swi vel j oi nt s f or pi pe hanger s t o per mi t pi pe t her mal or mechani cal movement wi t hout angul ar mi sal i gnment of hanger v i br at i on isolator.

3. 1. 10. 2 Hi gh Temper at ur es

Wher e neopr ene el ement s of v i br at i on i sol at or may be subj ect ed t o hi gh pi pe t emper at ur es, above 160 degr ees F, pr ovi de met al heat shi el ds or t her mal i sol at or s.

3. 1. 10. 3 Valves

Pr ovi de vi br at i on i sol at i on hanger s and suppor t s at modul at i ng, pr essur e r educi ng, or cont r ol val ves whi ch wi l l i nduce f l ui d pul sat i ons. When r equi r ed or i ndi cat ed, i sol at e val ves wi t h f l exi bl e connect or s.

Apr i l 2019 Page 30 SECTI ON 22 05 48. 00 20

3. 1. 10. 4 Machi ner y Wi t hout Fl exi bl e Connect i ons

When pi pi ng i s not connect ed t o v i br at i ng machi ner y wi t h f l exi bl e connect or s, pr ovi de t he f i r st f our hanger s wi t h i sol at i on el ement s desi gned f or def l ect i ons equal t o equi pment v i br at i on i sol at or def l ect i ons ( i ncl udi ng st at i c, oper at i ng, and st ar t - up) .

3. 1. 10. 5 Twel ve I nch and Lar ger Pi pe

Suspend 12 i nch and l ar ger pi pe vi br at i on hanger s f r om r esi l i ent hanger r od i sol at…