Amendment 3 Attachment 6 Specifications 11 41 11.pdf
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This document is the technical specifications for Section 11 41 11 Refrigerated Storage for a federal contract opportunity. It outlines the requirements for prefabricated walk-in refrigerators and freezers, insulation materials, refrigeration unit systems, and installation procedures. Key details include:
The project is for critical upgrades to insulation, piping, and HVAC at the CNRC facility in Houston, TX. It is a 100% small business set-aside under NAICS code 236220 for Commercial and Institutional Building Construction, with a project magnitude between $1-5 million. The specifications cover requirements for constructing and installing prefabricated walk-in refrigerators and freezers, including panel construction, doors, lighting, and refrigeration systems. Contractors must submit detailed shop drawings, product data, test reports, and manufacturer/contractor warranties. Installation must comply with industry standards such as ASHRAE, NSF, and UL.
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CNRC CRI TI CAL UPGRADES 2923EP1UPGRADES
SECTI ON 11 41 11
REFRI GERATED STORAGE
08/ 17
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.
AMERI CAN SOCI ETY OF HEATI NG, REFRI GERATI NG AND AI R- CONDI TI ONI NG
ENGI NEERS ( ASHRAE)
ANSI / ASHRAE 15 & 34 ( 2013) ANSI / ASHRAE St andar d 15- Saf et y St andar d f or Ref r i ger at i on Syst ems and ANSI / ASHRAE St andar d 34- Desi gnat i on and Saf et y Cl assi f i cat i on of Ref r i ger ant s
ASHRAE 189. 1 ( 2014) St andar d f or t he Desi gn of Hi gh- Per f or mance Gr een Bui l di ngs Except Low- Ri se Resi dent i al Bui l di ngs
ASTM I NTERNATI ONAL ( ASTM)
ASTM E84 ( 2023) 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 Mat er i al s
NSF I NTERNATI ONAL ( NSF)
NSF Food Equi pment ( 2005) NSF Pr oduct Li st i ngs of Food Equi pment and Rel at ed Pr oduct s, Component s and Mat er i al s
NSF/ ANSI 2 ( 2022) Food Equi pment
NSF/ ANSI 6 ( 2023) Di spensi ng Fr eezer s
NSF/ ANSI 7 ( 2023) Commer ci al Ref r i ger at or s and Fr eezer s
UNDERWRI TERS LABORATORI ES ( UL)
UL 207 ( 2022) UL St andar d f or Saf et y Ref r i ger ant - Cont ai ni ng Component s and Accessor i es, Nonel ect r i cal
UL 471 ( 2010; Repr i nt Sep 2019) UL St andar d f or Saf et y Commer ci al Ref r i ger at or s and Fr eezer s
UL 723 ( 2020) UL St andar d f or Saf et y Test f or Sur f ace Bur ni ng Char act er i st i cs of Bui l di ng Mat er i al s
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UL 1598 ( 2021; Repr i nt Jun 2021) Lumi nai r es
1. 2 DESCRI PTI ON OF WORK
The wor k i ncl udes f ur ni shi ng and i nst al l i ng and modi f y i ng exi st i ng r ef r i ger at ed st or age f ood ser vi ce equi pment and al l r el at ed wor k necessar y t o pr ovi de a compl et e i nst al l at i on. Ver i f y exi st i ng di mensi ons, s i t e condi t i ons, and r equi r ed ut i l i t y connect i ons pr i or t o commencement of wor k. Coor di nat e del i ver y of component s wi t h f i ni shed openi ngs and ot her ver t i cal handl i ng l i mi t at i ons wi t hi n t he bui l di ng. Advi se t he Cont r act i ng Of f i cer of di scr epanci es pr i or t o pr ocur ement and i nst al l at i on of equi pment . Submi t Cont r act or ' s Fi el d Ver i f i cat i on Dat a pr i or t o t he pr econst r uct i on meet i ng.
Pr ovi de r ough- i n and ut i l i t y connect i ons t o equi pment i n accor d wi t h r equi r ement s speci f i ed i n ot her sect i ons of t hi s speci f i cat i on.
Coor di nat e physi cal di mensi ons, capaci t i es, manuf act ur er ' s i nst r uct i ons, and ot her r equi r ement s of t he equi pment f ur ni shed.
1. 2. 1 Desi gn Requi r ement s
Submi t det ai l dr awi ngs f or al l col d/ r ef r i ger at ed st or age uni t s. Dr awi ngs must be 1/ 4 i nch scal e mi ni mum.
Submi t a compl et e, mat er i al dat a, and dr awi ngs as speci f i ed. Pr ovi de det ai l dr awi ngs showi ng compl et e wi r i ng, pi pi ng, and schemat i c di agr ams, and any ot her det ai l s r equi r ed t o demonst r at e t hat t he syst em i s coor di nat ed and pr oper l y f unct i ons as a uni t .
a. Det ai l dr awi ngs by Cont r act or must be separ at e dr awi ngs and be t he Cont r act or ' s st andar d sheet s i ze, but not smal l er t han t he cont r act dr awi ngs, i ndi cat i ng col d st or age assembl i es wi t h i t emi zed schedul e, speci al condi t i ons dr awi ngs i ndi cat i ng s i ze and l ocat i on of cor es, wal l openi ngs, bl ockout s, cei l i ng pocket s, bl ocki ng gr ounds, access panel s, r ough- i n pl umbi ng/ mechani cal syst ems and r ough- i n el ect r i cal syst ems.
b. Pr epar e and submi t det ai l dr awi ngs t hat show t he si ze, t ype, and l ocat i on of equi pment dr ai n l i nes, and f l oor dr ai ns. I ndi cat e dr ai n l i nes f r om equi pment , di st ances of dr ai n l i nes and f l oor dr ai n r ecept acl es f r om equi pment and ai s l es, and el evat i on v i ews of dr ai n pi pi ng and f l oor dr ai ns.
c. Det ai l dr awi ngs by manuf act ur er must be separ at e dr awi ngs;
manuf act ur er ' s st andar d s i ze and i ndi cat e i t em number , name, and quant i t y, const r uct i on det ai l s, sect i ons, and el evat i ons, adj acent wal l s, col umns, and equi pment , pl umbi ng and el ect r i cal schemat i cs, and f abr i cat ed f i xt ur es wi t h s i ngl e el ect r i cal or pl umbi ng connect i on, and ser vi ce access panel s r equi r ed f or mai nt enance or r epl acement of mechani cal or el ect r i cal component s.
1. 3 SUBMI TTALS
Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" or " S" c l assi f i cat i on. Submi t t al s not havi ng a " G" or " S" c l assi f i cat i on ar e f or Cont r act or Qual i t y Cont r ol 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- 01 Pr econst r uct i on Submi t t al s
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Cont r act or ' s Fi el d Ver i f i cat i on Dat a; G
SD- 02 Shop Dr awi ngs
Manuf act ur er ' s Det ai l Dr awi ngs; G
Cust om Fabr i cat ed Equi pment ; G
I nst al l at i on I nst r uct i ons and Di agr ams; G
SD- 03 Pr oduct Dat a
Wal k- i n Ref r i ger at or s; G
SD- 05 Desi gn Dat a
Manuf act ur er ' s Descr i pt i ve and Techni cal Li t er at ur e; G
SD- 06 Test Repor t s
Manuf act ur er ' s Test Dat a; G
Fi el d Test Repor t s; G
SD- 07 Cer t i f i cat es
NSF Cer t i f i cat i on
UL Cer t i f i cat i on
SD- 08 Manuf act ur er ' s I nst r uct i ons
Manuf act ur er ' s I nst r uct i ons f or Shi ppi ng, Handl i ng, St or age, I nst al l at i on, and St ar t - Up.
SD- 11 Cl oseout Submi t t al s
Manuf act ur er ' s War r ant y
Cont r act or ' s War r ant y f or I nst al l at i on
1. 4 SHOP DRAWI NGS
Submi t manuf act ur er ' s det ai l dr awi ngs and cust om f abr i cat ed equi pment dr awi ngs f or each r ef r i ger at ed encl osur e. I ncl ude i nsul at i on det ai l s, ut i l i t y connect i ons, and i nst al l at i on i nst r uct i ons and di agr ams. Base shop dr awi ngs on ver i f i ed f i el d measur ement s and i ncl ude cont r act or ' s f i el d ver i f i cat i on dat a.
1. 5 QUALI TY ASSURANCE
1. 5. 1 Pr e- I nst al l at i on Conf er ence
Thi r t y days pr i or t o commencement of wor k, not i f y t he Cont r act i ng Of f i cer t hat t he f ol l owi ng i t ems ar e pr epar ed and r eady f or r evi ew:
a. Shop Dr awi ngs, pr oduct dat a and i nst al l at i on i nst r uct i ons
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( 1) Manuf act ur er ' s det ai l dr awi ngs
( 2) Cust om f abr i cat ed equi pment dr awi ngs and dat a
( a) Submi t af t er appr oval of f ood ser vi ce equi pment dr awi ngs.
( 3) I nst al l at i on i nst r uct i ons and di agr ams
b. Pr oduct Dat a
( 1) Wal k- i n r ef r i ger at or s
c. Desi gn Dat a
( 1) Manuf act ur er ' s descr i pt i ve and t echni cal l i t er at ur e
( 2) Manuf act ur er ' s Test Dat a
d. Manuf act ur er ' s I nst r uct i ons
For shi ppi ng, handl i ng, st or age, i nst al l at i on, and st ar t - up.
1. 5. 2 Fact or y Test s and Cer t i f i cat i ons
Submi t Manuf act ur er ' s Test Dat a and cer t i f i cat i ons, i ncl udi ng NSF Cer t i f i cat i on and UL Cer t i f i cat i on.
PART 2 PRODUCTS
2. 1 MATERI ALS
2. 1. 1 I nsul at i on
Pr ovi de i nsul at i on mat er i al s f or al l equi pment as f ol l ows:
a. I nsul at ed component s must have a compl et e sur f ace encl osur e of not l ess t han 0. 032 i nches of al umi num or cor r osi on r esi st ant st eel havi ng a base met al t hi ckness of not l ess t han 0. 0160 i nches at any poi nt .
b. I nsul at ed component s must be pr ot ect ed by an aut omat i c spr i nkl er syst em l ocat ed wi t hi n t he r ef r i ger at ed uni t ( s) t hemsel ves as wel l as i n t he por t i ons( s) of t he bui l di ng( s) i n whi ch t hey ar e l ocat ed.
c. I nsul at i on must compl y wi t h f l ame spr ead i ndex l i mi t s of not mor e t han 75 and smoke devel oped i ndex of not mor e t han 450 when t est ed, i n t he maxi mum t hi ckness i nt ended f or use, i n accor dance wi t h ASTM E84 or
UL 723.
2. 2 CONSTRUCTI ON OF FABRI CATED EQUI PMENT
2. 2. 1 Gr i ndi ng, Pol i shi ng, and Fi ni shi ng
Gr i nd smoot h al l exposed wel ded j oi nt s and f i ni sh t o mat ch t he adj oi ni ng mat er i al . Wher ever mat er i al s have been depr essed or sunken by wel di ng oper at i on, hammer and peen such depr essi ons f l ush wi t h t he adj oi ni ng sur f ace, and agai n gr i nd t o el i mi nat e hi gh spot s. Pol i sh and buf f gr ound sur f aces t o mat ch adj oi ni ng sur f aces. Exer ci se car e i n t he gr i ndi ng oper at i ons t o avoi d excessi ve heat i ng of t he met al and met al di scol or at i on. Abr asi ves, wheel s, and bel t s used i n gr i ndi ng must be f r ee
SECTI ON 11 41 11 Page 4 of i r on and not pr evi ousl y used on car bon st eel . I n al l cases, t he gr ai n of r ough gr i ndi ng must be r emoved by sever al successi vel y f i ner pol i shi ng oper at i ons. Fi nal pol i shi ng oper at i on must be uni f or m, smoot h, and consi st ent . Make t he gr ai n di r ect i on of hor i zont al st ai nl ess st eel sur f ace l ongi t udi nal , i ncl udi ng t he spl ash back. Pr ovi de a mi t er ed appear ance when pol i shi ng at r i ght angl e cor ner s. Pr ovi de cl ose f i t but t and cont act j oi nt s not r equi r i ng sol der as a f i l l er . Wher ever br ake bends occur , t he bends must be f r ee of open t ext ur e or or ange peel appear ance.
Wher e br ake wor k does mar t he uni f or m appear ance of t he mat er i al , r emove such mar ks by gr i ndi ng, pol i shi ng, and f i ni shi ng. Make shear ed edges f r ee of bur r s, pr oj ect i ons, and f i ns. Wher e mi t er s or bul l nosed cor ner s occur , f i ni sh such mi t er s and cor ner s wi t h t he under age of t he mat er i al and gr i nd t o a uni f or m condi t i on. Over l appi ng of mat er i al i s not accept abl e.
Pr ovi de No. 3 or 4 f i ni sh f or al l exposed st ai nl ess st eel sur f aces.
Fi ni shes of mat er i al s, ot her t han st ai nl ess st eel , must be compar abl e i n appear ance t o commer ci al mi l l f i ni sh. Exposed sur f aces i ncl ude:
a. Ext er i or sur f aces exposed t o v i ew.
b. I nt er i or sur f aces exposed t o v i ew i n door l ess cabi net s.
2. 2. 2 Fast eni ng Devi ces
Pr ovi de f ast eni ng devi ces of t he same mat er i al as t he met al bei ng j oi ned when j oi nt pi eces ar e of s i mi l ar met al . Fast eni ng devi ces must be st ai nl ess st eel , ASTM A666 when st ai nl ess st eel i s j oi ned t o di ssi mi l ar met al . Pr ovi de mi ni mum 1/ 4- 20 st ai nl ess st eel st ud bol t s wi t h l engt h necessar y t o accept washer s, and r equi r ed nut s, and wel d 9 i nches on cent er maxi mum. Exposed sur f aces of equi pment must be f r ee of bol t s, scr ews, and r i vet heads. Use st ai nl ess st eel st ud bol t s t o f ast en t ops of count er s or t abl es t o angl e f r ami ng and t r i m t o ot her sur f aces. Such bol t s must be t he conceal ed t ype. Cap t hr eads of st ud bol t s whi ch ar e on t he i nsi de of f i x t ur es and ar e ei t her v i s i bl e or mi ght come i n cont act wi t h a wi pi ng cl ot h, wi t h chr ome pl at ed washer s, l ock washer s, and chr omi um- pl at ed br ass cap nut s. Wher ever bol t s ar e wel ded t o t he under si de of t r i m or t ops, uni f or ml y f i ni sh t he r ever se si de of t he wel ds wi t h t he adj oi ni ng sur f ace of t he t r i m or t he t op. Di mpl es at t hese poi nt s ar e not be accept abl e.
2. 2. 3 Wel di ng
2. 2. 3. 1 Wel ds
Use t ungst en i ner t gas pr ocess. Use f i l l er met al compat i bl e wi t h t he mat er i al bei ng wel ded. Do not use car bon ar c wel di ng on t ops of count er s, t abl es, dr ai nboar ds, exposed shel v i ng, or s i nks. Make wel ds duct i l e and of same col or as adj oi ni ng sur f aces.
2. 2. 3. 2 Wel di ng Rods
Per f or m al l wel di ng wi t h wel di ng r ods of t he same composi t i on as t he sheet s or par t s wel ded. Fact or y wel d l ong sect i on component s t o t he gr eat est l engt hs possi bl e t o mi ni mi ze f i el d wel ded j oi nt s.
2. 2. 3. 3 Wel d Qual i t y
Wel d qual i t y must conf or m t o t he r equi r ement s of AWS A5. 8/ A5. 8M, AWS D1. 1/ D1. 1M, AWS D10. 4 and AWS D9. 1/ D9. 1M. Fact or y wel d l ong sect i on component s t o t he gr eat est l engt hs possi bl e t o mi ni mi ze f i el d wel ded j oi nt .
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2. 3 PREFABRI CATED WALK- I N REFRI GERATORS AND FREEZERS
Pr ovi de wal k- i n uni t s manuf act ur ed f or f ood ser vi ce use i n accor dance wi t h NSF/ ANSI 7 UL 207, and UL 471. Pr ovi de f l oor panel wal k- i n r ef r i ger at or s and f r eezer s wi t h appr opr i at e i nsul at ed f l oor assembl i es and pol i shed al umi num f i ni sh f l oor .
Pr ovi de pr ef abr i cat ed di spensi ng f r eezer s i n accor dance wi t h t he r equi r ement s of NSF/ ANSI 6.
2. 3. 1 Panel Const r uct i on
I nt er changeabl e, 4 f eet maxi mum wi dt h, 4 i nch t hi ck, f i l l ed wi t h i nsul at i on. Pr ovi de pr ef or med cor ner panel s ext endi ng not l ess t han 12 i nches i n each di r ect i on. Panel s t o have t ongue and gr oove edges or f l ush j oi nt s wi t h doubl e seal ser r at ed neopr ene r ubber gasket s t o assur e ai r and vapor t i ght j oi nt s. Pr ovi de panel s f or separ at i ng sect i ons.
a. I nsul at i on: 4 i nch mi ni mum f oamed- i n- pl ace pol yur et hane wi t h manuf act ur er ' s r at ed R- Val ue of not l ess t han 28, f r ee r i se densi t y of not l ess t han 1. 7 pounds per cubi c f oot , or i n- pl ace densi t y of not l ess t han 2 pounds per cubi c f oot . Pr ovi de f l oor scr eeds wi t h mi ni mum of 2 1/ 2 i nches of f oamed i nsul at i on.
b. Cl osur es: Cl ose t he exposed ext er i or of t he wal k- i n uni t adj acent t o wal l s and cei l i ng wi t h panel s of same mat er i al as used f or ext er i or of wal k- i n uni t panel s.
c. I - Beam Suppor t s: Wher ever compar t ment di mensi on exceeds t he cl ear - span abi l i t y of cei l i ng panel s, pr ovi de I - beam suppor t s on t he ext er i or of t he cei l i ng or suppor t ed by spl i ne- hanger s. I nst al l 1/ 2 i nch di amet er st eel r ods t hr ough beam/ hanger s and secur e t o t he st r uct ur e above. Beams or post s wi t hi n compar t ment s ar e not be accept abl e.
d. Fi ni sh:
( 1) Ext er i or : Al umi num wi t h t wo coat s of whi t e, baked- on enamel pai nt .
( 2) I nt er i or : St ai nl ess st eel .
2. 3. 2 Pr ef abr i cat ed Fl oor Panel s
Pr ovi de pr ef abr i cat ed f l oor panel s of t he same const r uct i on as wal l / cei l i ng except wi t h 14 gauge gal vani zed ski n, seal ed wat er t i ght .
Fi el d appl y one har d al l oy al umi num t r ead pl at e, 3/ 16 i nch t hi ck, wi t h al l j oi nt s caul ked. Pr ovi de nonski d f l oor st r i ps 4 by 36 i nch and f i el d appl y at 12 i nch spaci ng i n al l ai s l es. Pr ovi de pr ef abr i cat ed f l oor panel s l ai d on, wi t h s l opi ng i nt er i or f l oor r amps at ext er i or ent r ance door s wi t h sur r oundi ng bui l di ng f l oor . Fur ni sh t wo set s of er ect i on t ool s, compat i bl e wi t h f ast ener s, wi t h each uni t .
2. 3. 3 Door s
Pr ovi de one per sect i on, wi t h 4 i nch t hi ckness, f i l l ed wi t h i nsul at i on.
Pr ovi de each door panel wi t h an out si de pi l ot l i ght , a l i ght swi t ch and a r emot e bul b sensor wi t h ext er i or f l ush- mount ed, wat er pr oof t her momet er f or r egi st er i ng t emper at ur e i nsi de box. Pr ovi de ant i - condensi ng st r i p heat er s
SECTI ON 11 41 11 Page 6 ar ound t he per i met er of door panel j ambs. Pr ovi de t op and each si de of door wi t h a r esi l i ent , non- magnet i c, or t her mopl ast i c wi t h magnet i c st eel cor e gasket . On bot t om edge of door , pr ovi de a r epl aceabl e, adj ust abl e r ubber or v i nyl wi per gasket .
a. Har dwar e Pol i shed St ai nl ess St eel : Pr ovi de t wo sel f - c l osi ng, spr i ng- l oaded hi nges f or each door . I ncl ude pl at ed st eel pi n and cam- l i f t t ype bear i ng. Pr ovi de door l at ch wi t h cyl i nder l ock and wi t h pr ovi s i ons f or padl ock. I ncl ude saf et y- r el ease handl e t o per mi t openi ng f r om i nsi de when l ocked.
b. Door St ops: Pr ovi de door st ops wher e necessar y, t o pr event wal k- i n r ef r i ger at or and f r eezer door s f r om st r i k i ng adj acent wal l s, pl umbi ng f i xt ur es or f ood ser vi ce equi pment when door i s open.
c. Pr ot ect i ve Bumper s: Equi p t he ext er i or s i des of r ef r i ger at or t hat ar e not i nst al l ed agai nst each ot her or agai nst a wal l wi t h pr ot ect i ve bumper s. Fabr i cat e bumper s f r om ei t her 0. 059 i nch t hi ck gal vani zed st eel or st ai nl ess st eel channel or f r om sol i d r ubber or r ubber - l i ke mat er i al s havi ng a dur omet er har dness of 75pl us 5.
d. Gasket : Pr ovi de ei t her nat ur al or synt het i c r ubber gasket s and i n accor dance wi t h NSF/ ANSI 2. Wher e f r ames ar e used, t he panel s must f i t t oget her wi t h gasket s t hat ar e desi gned f or 50 per cent compr essi on.
2. 3. 4 Ai r f l ow I nhi bi t i ng St r i p Cur t ai ns
Pr ovi de t r anspar ent f l exi bl e v i nyl r ei nf or ced st r i p cur t ai ns anchor ed at t op and abl e t o be r epl aced i ndi v i dual l y. Pr ovi de st r i ps a mi ni mum of 8 i nch wi de and 0. 08 i nch t hi ck.
2. 3. 5 Li ght s
Pr ovi de hi gh ef f i c i ency r at ed t wo- t ube f l uor escent l amps i n vapor pr oof f i x t ur es wi t h saf et y shi el ds. Pr ovi de l i ght i ng i n accor dance wi t h UL 1598.
Pr ovi de di f f user and bal l ast capabl e of oper at i ng i n mi nus 10 degr ees F t emper at ur e. Run l i ght s t he f ul l l engt h of wal k- i n uni t s st ar t i ng 2 f eet f r om f r ont panel and ext endi ng wi t hi n 2 f eet of back panel .
2. 3. 6 I dent i f i cat i on Si gns
Mount engr aved phenol i c pl ast i c compar t ment i dent i f i cat i on s i gns 12 by 2 i nch hi gh i n sel ect ed col or wi t h one i nch hi gh l et t er s on door above vi ew wi ndow.
2. 3. 7 Pr essur e Rel i ef Por t
Pr ovi de el ect r i cal l y heat ed, i nsul at ed pr essur e r el i ef por t .
2. 4 REFRI GERATI ON UNI T SYSTEMS
Pr ovi de i n accor dance wi t h ANSI / ASHRAE 15 & 34 and ASHRAE 189. 1. Pr ovi de pr eassembl ed r emot e condensi ng uni t assembl y wi t h al l necessar y component s f act or y i nst al l ed and wi r ed i ncl udi ng el ect r i cal box, t i me cl ock, dr i er , s i ght gl ass. Mer cur y i s pr ohi bi t ed f or use i n t her momet er s.
Chl or of l uor ocar bon ( CFC) based r ef r i ger ant s ar e pr ohi bi t ed.
Pr ovi de r ef r i ger ant compr essor s, packaged compr essor s and condenser uni t s, and r ef r i ger ant condenser s as speci f i ed i n Di v i s i on 23 of t hese
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Pr ovi de r ef r i ger at i on syst em equi pment f or col d st or age i n accor dance wi t h Sect i on 23 63 00. 00 COLD STORAGE REFRI GERATI ON SYSTEMS.
2. 4. 1 Moni t or i ng Al ar m Syst em
Pr ovi de an el ect r oni c moni t or i ng and al ar m syst em f or each sect i on of each uni t . Al ar m i s t o war n of abnor mal l y l ow and hi gh t emper at ur es.
a. Syst em component s: Det ect i ng t her most at , mast er cont r ol panel , i nt er connect i ng wi r i ng, and def r ost compensat or . Pr ovi de di al s showi ng t emper at ur es and pi l ot l i ght s, war ni ng l i ght s, swi t ches, t r ansf or mer , and buzzer , al l as a par t of t he mast er cont r ol panel .
Pr ovi de mast er cont r ol panel . Pr ovi de power f use t o pr ot ect syst em component s.
b. Syst em oper at i on: Set al ar ms at 10 degr ees F above and bel ow speci f i ed oper at i ng t emper at ur es.
2. 4. 2 Per sonnel Al ar m
For each uni t , pr ovi de separ at e audi bl e al ar m syst em oper abl e f r om i nsi de uni t , f or use of per sonnel unabl e t o exi t uni t . Locat e r emot e audi bl e al ar m wher e i ndi cat ed.
PART 3 EXECUTI ON
3. 1 I NSTALLATI ON
Do not i nst al l i t ems t hat show vi sual evi dence of bi ol ogi cal gr owt h.
Pr i or t o commencement of i nst al l at i on, per f or m a compl et e wal k t hr ough of t he f aci l i t y wi t h t he Cont r act i ng Of f i cer t o ver i f y r eadi ness f or i nst al l at i on.
Pr ovi de adequat e pr ot ect i on of al l f i ni shed sur f aces, f i x t ur es, f ur ni shi ngs and ot her equi pment t o pr event any damage dur i ng t he i nst al l at i on wor k.
Conduct i nst al l at i on pr ocedur es i n accor dance wi t h ANSI / ASHRAE 15 & 34, ASHRAE 189. 1, NSF Food Equi pment and UL st andar ds st at ed her ei n, and wi t h t he manuf act ur er ' s i nst r uct i ons.
3. 1. 1 Equi pment Connect i ons
Compl et e equi pment connect i ons f or al l ut i l i t i es. Unl ess ot her wi se speci f i ed, pr ovi de st ai nl ess st eel exposed pi pi ng.
3. 1. 2 Pl umbi ng Wor k
Tag al l pl umbi ng f i nal connect i on poi nt s of equi pment , i ndi cat i ng i t em number , name of devi ces or component s, and t ype of ut i l i t y ( wat er , gas, st eam, dr ai n) . Pr ovi de ext ensi ons of i ndi r ect wast e f i t t i ng t o open- si ght hub dr ai n, f l oor s i nk, or f l oor dr ai ns f r om f ood ser vi ce equi pment .
3. 2 TESTS
Per f or m t he t est s as speci f i ed. Not i f y t he Cont r act i ng Of f i cer i n wr i t i ng, 10 days pr i or t o per f or mi ng t est s. Per f or m t est s i n t he pr esence
SECTI ON 11 41 11 Page 8 of t he manuf act ur er ' s r epr esent at i ve and t he Cont r act i ng Of f i cer .
3. 2. 1 I ni t i al St ar t - Up and Oper at i onal Test
Pr ovi de al l l ubr i cant s and accessor i es bef or e i ni t i al st ar t - up. St ar t and oper at e al l equi pment . Fol l ow t he manuf act ur er ' s pr ocedur es and pl ace t he syst ems i n al l modes of oper at i on. Suppl ement i ni t i al char ges of l ubr i cat i ng oi l t o ensur e maxi mum oper at i ng capaci t y. Adj ust al l saf et y and aut omat i c cont r ol i nst r ument s. Recor d manuf act ur er ' s r ecommended r eadi ngs hour l y. Oper at i onal t est s must cover a per i od of not l ess t han 5 days.
Upon compl et i on of st ar t - up and oper at i onal t est s submi t a l i s t of aut hor i zed l ocal ser vi ce and r epai r ent i t i es.
3. 2. 2 Test Repor t s
Submi t f i nal f i el d t est r epor t s f or each syst em t est ed, descr i bi ng t est appar at us, i nst r ument at i on cal cul at i ons, and equi pment dat a based on i ndust r y st andar d f or ms or r easonabl e f acsi mi l es t her eof . I ncl ude i n dat a: compr essor suct i on and di schar ge pr essur e; r ef r i ger ant char ge pump, compr essor and ai r movi ng devi ce amper e r eadi ngs; power suppl y char act er i st i cs, i ncl udi ng phase i mbal ance, wi t h 1/ 2 per cent accur acy;
t her most at i c expansi on val ve super heat - val ue as det er mi ned by f i el d t est ;
subcool i ng; hi gh and l ow r ef r i ger ant t emper at ur e swi t ch set poi nt s; l ow oi l pr essur e swi t ch set poi nt ; def r ost syst em t i mer and t her most at set poi nt s; moi st ur e cont ent ; ambi ent , condensi ng and cool ant t emper at ur es;
capaci t y cont r ol set poi nt s; f i el d dat a and adj ust ment s whi ch af f ect uni t per f or mance and ener gy consumpt i on. Wher e f i nal adj ust ment s and set t i ngs cannot be per manent l y mar ked as an i nt egr al par t of devi ce, i ncl ude adj ust ment and set t i ng dat a i n t est r epor t .
3. 3 MANUFACTURER' S WARRANTY
Submi t al l manuf act ur er s ' s i gned war r ant i es t o Cont r act i ng Of f i cer pr i or t o f i nal commi ssi oni ng and accept ance.
3. 4 CONTRACTOR' S WARRANTY f or I NSTALLATI ON
Submi t cont r act or ' s war r ant y f or i nst al l at i on t o t he Cont r act i ng Of f i cer pr i or t o f i nal commi ssi oni ng and accept ance.
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| 11 41 11 - REFRIGERATED STORAGE |
| PART 1 GENERAL |
| 1.1 REFERENCES |
| 1.2 DESCRIPTION OF WORK |
| 1.2.1 Design Requirements |
| 1.3 SUBMITTALS |
| 1.4 SHOP DRAWINGS |
| 1.5 QUALITY ASSURANCE |
| 1.5.1 Pre-Installation Conference |
| 1.5.2 Factory Tests and Certifications |
| PART 2 PRODUCTS |
| 2.1 MATERIALS |
| 2.1.1 Insulation |
| 2.2 CONSTRUCTION OF FABRICATED EQUIPMENT |
| 2.2.1 Grinding, Polishing, and Finishing |
| 2.2.2 Fastening Devices |
| 2.2.3 Welding |
| 2.2.3.1 Welds |
| 2.2.3.2 Welding Rods |
| 2.2.3.3 Weld Quality |
| 2.3 PREFABRICATED WALK-IN REFRIGERATORS AND FREEZERS |
| 2.3.1 Panel Construction |
| 2.3.2 Prefabricated Floor Panels |
| 2.3.3 Doors |
| 2.3.4 Air flow Inhibiting Strip Curtains |
| 2.3.5 Lights |
| 2.3.6 Identification Signs |
| 2.3.7 Pressure Relief Port |
| 2.4 REFRIGERATION UNIT SYSTEMS |
| 2.4.1 Monitoring Alarm System |
| 2.4.2 Personnel Alarm |
| PART 3 EXECUTION |
| 3.1 INSTALLATION |
| 3.1.1 Equipment Connections |
| 3.1.2 Plumbing Work |
| 3.2 TESTS |
| 3.2.1 Initial Start-Up and Operational Test |
| 3.2.2 Test Reports |
| 3.3 MANUFACTURER'S WARRANTY |
| 3.4 CONTRACTOR'S WARRANTY for INSTALLATION |
File details come from the government source that posted it. Updated .