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NL Master Specification Guide

for Public Funded BuildingsIssued 2008/03/8 Section 23 23 00 - Copper Tubing and Fittings Refrigerant Page 1 of 6

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.1 Section Includes

.1 !aterials and installation for copper tubing and fittings for refrigerant.

%2 "$L!#$( S$)#I*NS+

.1 Section 01 33 00 - Sub"ittal Procedures.

.2 Section 01 3# 2$.06 - %ealt& and Safet' Re(uire"ents.

.3 Section 01 )* 21 - Construction+,e"olition aste !anage"ent and ,isposal.

.* Section 01 ) 00 - Closeout Sub"ittals.

.# Section 23 0# 0# - Installation of Pipe/or.

%3 "$F$"$N)$S

.1 "erican Societ' of !ec&anical ngineers S!4

.1 S! 516.22 roug&t Copper and Copper llo' Solder - 7oint PressureFittings.

.2 S! 516.2* Cast Copper Pipe Flanges and Flanged Fittings Class 1#0 300*00 600 $00 1#00 and 2#00.

.3 S! 516.26 Cast Copper llo' Fittings for Flared Copper Tubes.

.* S! 531.# Refrigeration Piping and %eat Transfer Co"ponents.

.2 "erican Societ' for Testing and !aterialsST!4

.1 ST! 30) Standard Specification for Carbon Steel 5olts and Studs 60000PSI Tensile Strengt&.

.2 ST! 5 20 Standard Specification for Sea"less Copper Tube for ir Conditioning and Refrigeration Field Ser8ice.

.3 Canadian Standards ssociation CS4

.1 CS 5#2 !ec&anical Refrigeration Code.

.* n8iron"ent Canada C4

.1 PS1+R+1 n8iron"ental Code of Practice for t&e li"ination of Fluorocarbon "issions fro" Refrigeration and ir Conditioning S'ste"s.

.# %ealt& Canada + orplace %a9ardous !aterials Infor"ation S'ste" %!IS4

.1 !aterial Safet' ,ata S&eets !S,S4.

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.6 Pro8ince of :e/foundland and ;abrador 5oiler Pressure <essel and Co"pressed =asRegulations

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.1 Sub"ittals in accordance /it& Section 01 33 00 - Sub"ittal Procedures.

.2 Test Reports sub"it certified test reports fro" appro8ed independent testing laboratoriesindicating co"pliance /it& specifications for specified perfor"ance c&aracteristics and p&'sical properties.

.3 Certificates sub"it certificates signed b' "anufacturer certif'ing t&at "aterials co"pl'/it& specified perfor"ance c&aracteristics and p&'sical properties.

.* Instructions sub"it "anufacturer>s installation instructions.

.# Closeout sub"ittals sub"it "aintenance and engineering data for incorporation into"anual specified in Section 01 ) 00 - Closeout Sub"ittals.

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.1 Pre-Installation !eeting

.1 Con8ene pre-installation "eeting one /ee prior to beginning /or of t&isSection and on-site installations.

.1 <erif' pro?ect re(uire"ents.

.2 Re8ie/ installation and substrate conditions.

.3 Co-ordination /it& ot&er building subtrades.

.* Re8ie/ "anufacturer>s installation instructions and /arrant're(uire"ents.

.2 %ealt& and Safet'

.1 ,o construction occupational &ealt& and safet' in accordance /it& Section01 3# 2$.06 - %ealt& and Safet' Re(uire"ents.

.3 Trades people to be ?ourne'person and graduate fro" a recogni9ed college refrigerationtrade progra".

% ($LI$"'1 S#*"!G$ !N( !N(LING

.1 aste !anage"ent and ,isposal

.1 Separate /aste "aterials for reuse and rec'cling in accordance /it& Section01 )* 21 - Construction+,e"olition aste !anage"ent and ,isposal.

.2 Re"o8e fro" site and dispose of pacaging "aterials at appropriate rec'clingfacilities.

.3 Collect and separate for disposal paper plastic pol'st'rene corrugatedcardboard pacaging "aterial in appropriate on-site bins for rec'cling in

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accordance /it& aste !anage"ent Plan !P4.

.* Separate for reuse and rec'cling and place in designated containers steel "etal plastic /aste in accordance /it& aste !anage"ent Plan !P4.

.# ,i8ert unused "etal "aterials fro" landfill to "etal rec'cling facilit' asappro8ed b' @/nerAs Representati8e

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2% #&BING

.1 Processed for refrigeration installations deoBidi9ed de&'drated and sealed.

.1 %ard copper to ST! 520 t'pe CR 5 nitrogeni9ed4.

.2 nnealed copper to ST! 520 /it& "ini"u" /all t&icness as per CS 5#2

and S! 531.#.

2%2 FI##INGS

.1 Ser8ice design pressure 20)0 Pa and te"perature 121C.

.2 5ra9ed

.1 Fittings /roug&t copper to S! 516.22.

.2 7oints sil8er solder *#D g - 0D Cu - #D P and non-corrosi8e fluB for copper to steel or brassE Silfoss-1# for copper to copper.

.3 Flanged

.1 5ron9e or brass to S! 516.2* Class 1#0 and Class 300 tongue and groo8et'pe.

.2 =asets suitable for ser8ice.

.3 5olts nuts and /as&ers to ST! 30) &ea8' series.

.* Flared

.1 5ron9e or brass for refrigeration to S! 516.26.

2%3 PIP$ SL$$$S

.1 %ard copper or steel si9ed to pro8ide 6 "" clearance bet/een slee8e and uninsulated pipeor bet/een slee8e and insulation.

2%, !L$S

.1 )+ @,S and under Class #00 3.# !Pa globe or angle non-directional t'pe diap&rag" pacless t'pe /it& forged brass bod' and bonnet "oistureproof seal for belo/ free9ingapplications bra9ed connections.

.2 @8er )+ @,S Class 3)# 3 !Pa globe or angle t'pe diap&rag" pacless t'pe bac-

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for Public Funded BuildingsIssued 2008/03/8 Section 23 23 00 - Copper Tubing and Fittings Refrigerant Page * of 6

seating cap seal /it& cast bron9e bod' and forged brass bonnet "oisture-proof seal for belo/ free9ing applications bra9ed connections non-rotating self aligning s/i8el discTeflon seat -*00C - 1630C.

.3 5all 8al8es ) 3+ @,S to 3 1+ @,S "aBi"u" P *!Pa -*00C to 1*$0C li8e loadedste" seal double @G ring &er"eticall' sealed bod' blo/out proof ste" seal cap @Gring sealed 8al8e position indicators forged brass bod' bonnet brass cap triple sealed plated steel ite" Teflon ball seals and gaset eBtended copper connections &eliu" lea test to "aBi"u" 0.2 g+'r.

.* C&ec 8al8es )+ @,S to 3 1+ @,S cast bron9e bod' brass bonnet Teflon seat internal parts re"o8able "ini"u" opening pressure 3.# Pa "aBi"u" P 3.# Pa - 2$0C to1*$0C H; and CS appro8ed.

.# C&ec 8al8es 3+ @,S to )+ @,S brass construction Teflon seal re"o8able piston"aBi"u" P 3.# Pa -*00C to 1*$0C suitable for &ig& side lo/ side and &ot gas. H;

and CS appro8ed "aBi"u" opening pressure 3.# Pa.

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3% M!N&F!)#&"$"4S INS#"&)#I*NS

.1 Co"pliance co"pl' /it& "anufacturerAs /ritten reco""endations or specificationsincluding product tec&nical bulletins &andling storage and installation instructions anddatas&eet.

3%2 G$N$"!L

.1 In accordance /it& Section 23 0# 0# Installation of Pipe/or supple"ented as specified&erein.

.2 Install in accordance /it& CS 5#2 PS1+R+1 and S! 531.#.

3%3 B"!5ING P"*)$(&"$S

.1 5leed inert gas into pipe during bra9ing.

.2 Re"o8e 8al8e internal parts solenoid 8al8e coils sig&t glass.

.3 ,o not appl' &eat near eBpansion 8al8e and bulb.

3%, PIPING INS#!LL!#I*N

.1 =eneral

.1 Soft annealed copper tubing bend /it&out cri"ping or constriction &ard dra/ncopper tubing do not bend. !ini"i9e use of fittings.

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for Public Funded BuildingsIssued 2008/03/8 Section 23 23 00 - Copper Tubing and Fittings Refrigerant Page # of 6

.2 %ot gas lines

.1 Pitc& at least 12*0 do/n in direction of flo/ to pre8ent oil return toco"pressor during operation.

.2 Pro8ide trap at base of risers greater t&an 100 "" &ig& and at eac& 6000"" t&ereafter.

.3 Pro8ide in8erted deep trap at top of risers.

.* Pro8ide double risers for co"pressors &a8ing capacit' "odulation.

.1 ;arge riser install traps as specified abo8e.

.2 S"all riser si9e for #.1 "+s at "ini"u" load. Connect upstrea"of traps on large riser.

3%- P"$SS&"$ !N( L$!6 #$S#ING

.1 Close 8al8es on factor' c&arged e(uip"ent and ot&er e(uip"ent not designed for test

pressures.

.2 ;ea test to CS 5#2 before e8acuation to 2!Pa and 1!Pa on &ig& and lo/ sidesrespecti8el'.

.3 Test Procedure 5uild pressure up to 3# Pa using nitrogen lea8e for &ours.

3% FI$L( .&!LI#' )*N#"*L

.1 Site Tests+Inspection

.1 Close ser8ice 8al8es on factor' c&arged e(uip"ent.

.2 "bient te"peratures to be at least 13 degrees C for at least 12 &ours before and duringde&'dration.

.3 Hse copper lines for largest practical si9e to reduce e8acuation ti"e.

.* Hse t/o-stage 8acuu" pu"p /it& gas ballast on 2nd stage capable of pulling # Pa absoluteand filled /it& de&'drated oil.

.# !easure s'ste" pressure /it& 8acuu" gauge. Tae readings /it& 8al8e bet/een 8acuu" pu"p and s'ste" closed.

.6 Triple e8acuate s'ste" co"ponents containing gases ot&er t&an correct refrigerant or &a8ing lost &olding c&arge as follo/s

.1 T/ice to 1* Pa absolute and &old for * &.

.2 5rea 8acuu" /it& refrigerant to 1* JPa.

.3 Final to # Pa absolute and &old for at least 12 &.

.* Isolate pu"p fro" s'ste" record 8acuu" and ti"e readings until stabili9ation of 8acuu".

.# Sub"it test results to @/nerAs Representati8e.

.) C&arging

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.1 C&arge s'ste" t&roug& filter-drier and c&arging 8al8e on &ig& side. ;o/ sidec&arging not per"itted.

.2 it& co"pressors off c&arge onl' a"ount necessar' for proper operation of

s'ste". If s'ste" pressures e(uali9e before s'ste" in full' c&arged closec&arging 8al8e and start up. it& unit operating add re"ainder of c&arge tos'ste".

.3 Re-purge c&arging line if refrigerant container is c&anged during c&arging process.

. C&ecs

.1 !ae c&ecs and "easure"ents as per "anufacturerAs operation and"aintenance instructions.

.2 Record and report "easure"ents to @/nerAs Representati8e.

.$ !anufacturerAs Field Ser8ices

.1 %a8e "anufacturer of products supplied under t&is Section re8ie/ /or in8ol8ed in t&e &andling installation+application protection and cleaning of its products and sub"it /ritten reports in acceptable for"at to 8erif' co"plianceof /or /it& Contract.

.2 Pro8ide "anufacturerAs field ser8ices consisting of product use reco""endationsand periodic site 8isits for inspection of product installation in accordance /it&"anufacturerAs instructions.

.3 Sc&edule site 8isits to re8ie/ /or at stages listed

.1 fter deli8er' and storage of products and /&en preparator' /or or ot&er /or on /&ic& t&e /or of t&is Section depends is co"plete but before installation begins.

.2 T/ice during progress of /or at 2#D and 60D co"plete.

.3 Hpon co"pletion of t&e /or after cleaning is carried out.

.* @btain reports /it&in 3 da's of re8ie/ and sub"it i""ediatel' to @/nerAsRepresentati8e.

3%7 ($M*NS#"!#I*N

.1 Instructions

.1 Post instructions in fra"e /it& glass co8er in accordance /it& Section 01 ) 00 Closeout Sub"ittals and CS 5#2.

.1 Perfor" cleaning operations as specified in Section 01 )* 11 Cleaning

and in accordance /it& "anufacturerAs reco""endations..2 @n co"pletion and 8erification of perfor"ance of installation re"o8e

surplus "aterials eBcess "aterials rubbis& tools and e(uip"ent.

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