7/25/2019 Natural Draft Cooling Towers - NL Master Specification

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NL Master Specification Guidefor Public Funded Buildings

Issued 2008/03/8 Section 23 65 16 Natural Draft Cooling Towers Page 1 of 5

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.1 Section 01 33 00 - Subittal Proce!ures.

.2 Section 01 "# 21 Construction$Deolition %aste &anageent an! Dis'osal.

.3 Section 01 "( 00 - Closeout Subittals.

.# Section 23 05 #( - )ibration an! Seisic Controls for *)+C Pi'ing an! ,ui'ent.

%2 "$F$"$N'$S

.1 +erican Societ for Testing an! &aterials /nternational +ST&

.1 +ST& +153$+153& S'ecification for inc Coating *ot-Di' on /ron an! Steel*ar!ware.

.2 Cooling Tec4nolog /nstitute CT/ forerl Cooling Tower /nstitute

.1 CT/ +TC-105 +cce'tance Test Co!e for %ater Cooling Towers &ec4anicalDraft Natural Draft an +ssiste! T'es an! ,7aluation of 8esults +!!en!u-1or T4eral Testing of %et$Dr Cooling Towers.

.2 CT/ STD-201 Certification Stan!ar! for Coercial %ater Cooling Towers.

.3 9n!erwriters :aboratories of Cana!a 9:C

.1 C+N$9:C-S102 Surface ;urning C4aracteristics of ;uil!ing &aterials an!+sseblies.

%3 S)(P &"!*INGS

.1 Subit s4o' !rawings in accor!ance wit4 Section 01 33 00 - Subittal Proce!ures.

.2 /n!icate

.1 Connections 'i'ing an! fittings 7al7es strainers control asseblies an!ancillaries i!entifing factor an! fiel! asseble!.

.2 %iring as asseble! an! sc4eaticall.

.3 Diensions construction !etails recoen!e! installation an! su''ort ountingbolt 4ole si

7/25/2019 Natural Draft Cooling Towers - NL Master Specification

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NL Master Specification Guidefor Public Funded Buildings

Issued 2008/03/8 Section 23 65 16 Natural Draft Cooling Towers Page 2 of 5

.1 Descri'tion of eui'ent gi7ing anufacturers nae t'e o!el ear ca'acit.

.2 Start-u' an! coissioning 'roce!ures.

.3 Details of o'eration ser7icing an! aintenance.

.# 8ecoen!e! s'are 'arts list.

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.1 Se'arate waste aterials for reuse an! reccling in accor!ance wit4 Section 01 "# 21 -Construction$Deolition %aste &anageent an! Dis'osal.

.2 8eo7e fro site an! !is'ose of 'ac>aging aterials at a''ro'riate reccling facilities.

.3 Collect se'arate an! 'lace in !esignate! containers for reuse an! reccling 'a'er 'lastic'olstrene corrugate! car!boar! 'ac>aging steel etal 'lastic in accor!ance wit4%aste &anageent Plan.

.# 9nuse! sealant aterials ust not be !is'ose! of into sewer sste into streas la>es

onto groun! or in ot4er location w4ere it will 'ose 4ealt4 or en7ironental 4a

7/25/2019 Natural Draft Cooling Towers - NL Master Specification

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NL Master Specification Guidefor Public Funded Buildings

Issued 2008/03/8 Section 23 65 16 Natural Draft Cooling Towers Page 3 of 5

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.1 Diensions as in!icate!.

.2 A'erating weig4t as in!icate!.

2%+ M!#$"I!LS

.1 Steel 4ot-!i' gal7anie !e7elo'e! of 25 toC+N$9:C-S102.

.# %oo! 'ressure treate! fir.

.5 Stainless steel t'e 30#.

.6 Plastic 'ol'ro'lene.

2%- '!SING !N& F"!M$*("1

.1 Bal7aninee rails.

.5 +ccess la!!er.

2%. '(L& *!#$" B!SIN

.1 Self !raining wit4 !e'resse! su' wit4 fill !rain o7erflow an! cleanout connectionsanti-7orte?ing !e7ice strainer o7erflow float o'erate! brass a>eu' 7al7e.

.2 &aterials gal7ani

7/25/2019 Natural Draft Cooling Towers - NL Master Specification

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NL Master Specification Guidefor Public Funded Buildings

Issued 2008/03/8 Section 23 65 16 Natural Draft Cooling Towers Page # of 5

.3 :ou7res sig4t tig4t gal7ani4. Ar reote su' as in!icate!.

.2 /ersion t4erostat an! float control to o'erate 4eaters on low te'erature w4en basinis fille!.

.3 Te'erature controller sensor in collection basin to ccle fans.

.# Tie !ela rela to liit fan otor starts to not ore t4an 6 $4.

.5 Ca'acit control for stable o'eration !own to 10@ of s'ecifie! ca'acit at s'ecifie! wetbulb te'erature.

.6 &anuall selecte! suer$winter switc4 tie !ela relas as in!icate! to

.1 :iit fan otor start-u' in re7erse rotation !uring !e-ice of inlet lou7ers.

.2 +llow fan to sto' an! run in re7erse for 'reset tie.

." )ibration cut-out switc4 !e-energis an! relas.

.5 Pilot lig4ts an! 'us4 buttons.

2% 4IB"!#I(N IS(L!#("S

.1 To Section 23 05 #( - )ibration an! Seisic Controls for *)+C Pi'ing an! ,ui'ent.

7/25/2019 Natural Draft Cooling Towers - NL Master Specification

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NL Master Specification Guidefor Public Funded Buildings

Issued 2008/03/8 Section 23 65 16 Natural Draft Cooling Towers Page 5 of 5

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.1 &ount on structural su''orts an! 7ibration isolators as in!icate! an! to anufacturer=s

recoen!ations.

.2 ,nsure clearance for ser7icing an! aintenance as recoen!e! b anufacturer.

3%2 '(MMISSI(NING

.1 &anufacturer=s fiel! ser7ice re'resentati7e to a''ro7e installation to su'er7ise start u'an! to instruct o'erators.

.2 Test un!er actual o'erating con!itions in accor!ance wit4 CT/ +TC-105 to 7erif s'ecifie!'erforance.

.3 &anufacturerEs re'resentati7e to be on site to a''ro7e installation an! startu' an!

coissioning in accor!ance wit4 Section 01 F1 13 Beneral Coissioning C?8euireents.

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