Request for Proposal 2609 Ice Plant Ammonia Refrigeration
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PURCHASING DEPARTMENT Request for Proposal 2609 Ice Plant Ammonia Refrigeration System Maintenance Addendum No. 1 June 8, 2020 This Addendum shall form an integral part of the project scope of Work and shall be read in conjunction therewith. This Addendum shall take precedence over related specifications as they relate to the information below, and of the previously issued scope of Work with which it may prove to be a variance, unless otherwise clarified by the City. All Proponents MUST sign and include this Addendum with their submission. Amended Section and or Information: Q1 Details of the Equipment in the respective Arenas (Model Numbers of the Compressors, condensers pumps, Ammonia detectors etc.) Believe this spreadsheet was missed out in the RFP document. (If possible, kindly share the P&ID of the plants with the Equipment schedule, so we can understand the equipment’s & design A1 Yes this was inadvertently missed when posting the RFP, as per attached. Additionally attached are the P&ID as follows: 327039-R1 current flow for Cliff McNabb Arena A1050159 R100 current flow for Frank Crane Arena A1050135 R100 current flow for the Nanaimo Ice Centre (NIC) Q2 How many Ammonia detectors are used in the plant? & the PPM levels? A2 The detectors are as follows: NIC - 1 Room ammonia sensor low alarm 25 ppm, high alarm 200 ppm 1 Ammonia Stack sensor low alarm 0.7% vol, high alarm 0.7% vol Frank Crane Arena - 1 Room ammonia sensor low alarm 25 ppm high, alarm 200 ppm 1 Pool filter pit ammonia sensor low alarm 25 ppm, high alarm 200 ppm 1 Ammonia Stack sensor low alarm 0.7% vol, high alarm 0.7% vol Cliff McNabb Arena - 1 Room ammonia sensor low alarm 25 ppm, high alarm 200 ppm 1 Ammonia Stack sensor low alarm 0.2% vol, high alarm 0.5% vol
Request for Proposal 2609 Ice Plant Ammonia Refrigeration
Request for Proposal 2609 Ice Plant Ammonia Refrigeration System Maintenance
Addendum No. 1 June 8, 2020
This Addendum shall form an integral part of the project scope of Work and shall be read in conjunction therewith. This Addendum shall take precedence over related specifications as they relate to the information below, and of the previously issued scope of Work with which it may prove to be a variance, unless otherwise clarified by the City. All Proponents MUST sign and include this Addendum with their submission. Amended Section and or Information:
Q1 Details of the Equipment in the respective Arenas (Model Numbers of the Compressors,
condensers pumps, Ammonia detectors etc.) Believe this spreadsheet was missed out in the RFP
document. (If possible, kindly share the P&ID of the plants with the Equipment schedule, so we
can understand the equipment’s & design
A1 Yes this was inadvertently missed when posting the RFP, as per attached.
Additionally attached are the P&ID as follows: 327039-R1 current flow for Cliff McNabb Arena
A1050159 R100 current flow for Frank Crane Arena A1050135 R100 current flow for the Nanaimo Ice Centre (NIC)
Q2 How many Ammonia detectors are used in the plant? & the PPM levels?
Note: All forms that require a signature must be signed by a person authorized to legally bind the Proponents to statements made in response to this RFP.
End of Addendum 1
RFP 2609 Ice Plant Ammonia Refrigeration System Maintenance
Addendum 1
Schedule 1
Nanaimo Ice Centre 750 Third StreetExisting Equipment Year Comments
Ammonia Compressor 1 2006 Mycom reciprocation compressor model with 100 HP electric motor
Ammonia Compressor 2 2006 Mycom reciprocation compressor model with 75 HP electric motor
Ammonia Compressor 3 2006 Mycom reciprocation compressor model with 75 HP electric motor
plate and frame chiller 1 2006
plate and frame chiller 2 2006
Brine pump 1 2006 25 HP
Brine pump pony 1 2006 7.5 HP
Brine pump 2 2006 25 HP
Brine pump pony 2 2006 7.5 HP
Evap Condenser fan 2006 20 HP with VFD
DE superheater 1 2006
Glycol Pumps 2 2006
Condenser pump 1 2006 20 HP
Snow melt pump 1 2006 3 HP
Cliff McNabb 2300 Bowen RoadExisting Equipment Year Comments
Ammonia Compressor 1 1994 Mycom reciprocation compressor model with 150 HP electric motor
Ammonia Compressor 2 1994 Mycom reciprocation compressor model with 150 HP electric motor
Plate and Frame chiller 1 2012
Brine pump 1 2012 25 HP Brine pump with VFD
Brine pump 2 2012 7.5 HP Brine pump with VFD
Evap Condenser fan 2008 20 HP electric motor with VFD
Dehumidifier 1
Under Floor Heat Pump 1
Condenser Pump 1
DE Superheater 1
Frank Crane 2300 Bowen RoadExisting Equipment Year Comments
Ammonia Compressor 1 2019 Mycom N4M reciprocation compressor model with 100 HP electric motor
Ammonia Compressor 2 2019 Mycom N4Mreciprocation compressor model with 75 HP electric motor
Plate and Frame Chiller 1 2019
Brine pump 1 2019
Brine pump 2 2012
Heat Exchanger 1 2019
Fluid Cooler 2019
Dehumidifier 1
Under Floor Heat Pump 1 2019
Heat Exchanger 1 2019
Surge Drum 1 2019
SAP
REF
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No.
FRA
NK
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A1050159
R100
-
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Socket Weld conns.
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compression type.
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Teflon plus Pro-Dope Pipe Joint Compound
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Forged Steel ASTM 105 Gr. 2, 3000# WOG,
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Steel to Steel ground joint,
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A181 Gr. 1, Rating to match pipe.
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ANSI Raised Face, ASTM A105 Gr. 1, or
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Parker-Hannifin CB Carbon steel
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0.035"Thk. Wall in 1/4"OD and 3/8"OD Sizes.
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SAE 179 Soft Steel Tubing, Type C1010,
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%%UREFRIGERANT PIPING SPECIFICATION
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- Straight Tees and Reduced Tees shall be as per the pipe fitting specifications above.
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Sch. 80 A106 B SMLS or ERW B
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Shall bear the manufacturer's identification.
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Socket weld or threaded
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Carbon Steel, ASTM A234B, Standard Wt
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Forged Steel, ASTM A105 Gr. 2, 3000lb.
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or A106 Gr.B SMLS
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Sch. 40 A53 Gr. B ERW or
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forwarded to CIMCO's office.
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Note: Copy of the Mill Test Certificates to be
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Shall bear the Mill Test #.
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%%U2-1/2"IPS & Up%%U:
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%%uFITTINGS%%u:
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%%UUp to 2"IPS%%U:
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%%uBRANCH CONNECTIONS%%u:
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%%uPIPE
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butt weld.
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%%U2-1/2" IPS to 10"IPS%%U:
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%%uPIPE%%u:
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%%UUp to 2"IPS%%U:
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%%uUNIONS%%u:
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%%uCOMPOUND%%u:
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%%uFLANGES%%u:
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%%uTUBING%%u:
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%%uFITTINGS%%u:
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%%uTUBING
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Some details of this equipment and piping may be different than shown.
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Existing equipment and piping shown to provide overall view of system.
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INDUSTRIAL
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B2, R-717
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-20%%DF/300%%DF
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Classification of refrigerating system by Type:
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Only refrigerant piping to be registered.
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Refrigerant piping to conform to CAN/CSA-B52-2013
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AIR & NITROGEN
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Piping: Gr. B ASTM A53 ERW or A106 Smls.,
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Sch. 80 up to 2"NPS, Sch. 40 2-1/2" NPS & up
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a minimum continuous ventilation of 1500 CFM and an emergency ventilation of 1100 CFM.
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Machinery room to be of Class 'T' construction with
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This drawing is diagrammatic only.
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12.
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11.
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System Design Temperatures :
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Classification of refrigerant: Group
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Classification of occupancy :
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System Pressures :
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Type of Pressure Test :
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9.
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8.
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10.
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5.
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4.
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3.
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7.
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6.
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250
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psig
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Low Side :
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High Side :
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Design
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250
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psig
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Mechanical Refrigeration Code.
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2.
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1.
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NOTES
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CHARGE: 120 LBS.
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psig
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psig
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10
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275
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inHg
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INDIRECT
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Operating
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166
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psig
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275
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Test
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(1896kPa)
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(1896kPa)
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- Fabricated Tees to be made in accordance with section 504.3.1 (b3) of the ASME B31.5a-2013 Refrigeration Piping Code.
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All refrigeration piping to conform to CSA B52-2013 and the following specifications...
UPBLAST DIFFUSER MOUNT 15'-0"(4570MM) MIN. ABOVE ROOF 25'-0"(7620MM) MIN. FROM ANY OPENINGS.
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01
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PT
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02
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PT
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1/2"
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01
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AS
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3" A.HSD
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2"
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2"
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2"
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2"
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2"
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C
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1
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C
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2
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V
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2
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34
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35
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33
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CH
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1
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12"
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6"
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6"
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27
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34"
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31
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26
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22
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23
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24
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25
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32
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30
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29
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28
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1
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8
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9
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3
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5
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6
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4
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10
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11
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12
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13
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7
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14
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3"x2"
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3"x2"
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15
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21
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20
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19
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16
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17
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18
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1/2"
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HX
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1
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P
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2
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HX
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2
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P
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3
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FC
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1
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HX
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3
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P
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1
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P
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4
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V
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3
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V
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4
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1/4"
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60 PSI
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3/4"
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2 "x2"12"x2"
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2 "x2"12"x2"
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4"x3"
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4"x3"
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4"x3"
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4"x3"
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3/4"
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P
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5
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3/4"
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3/4"
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3/4"
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3/4"
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1"
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1"
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12"
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3/4"
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3/4"
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3/4"
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3/4"
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3/4"
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36
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3/4"
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37
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3/4"
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75 PSI
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ET-HR1 AMTROL WX-102
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V
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5
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A
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APRIL 26, 2019
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SN
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HA
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B
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AUG 23, 2019
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ADDING VALVE TAG
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SN
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C
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NOV 20, 2019
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CHANGE NAMEPLATE AND REPLACE VALVE TAG 37 WITH 33
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SN
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D
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JAN 10, 2020
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AS-BUILT AS PER MARKED-UP DRAWING BY PAT THIARA DATED DEC 30, 2019
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SN
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D
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(P) PRELIMINARY
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(CO) ISSUE FOR COORDINATION
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(APP) ISSUE FOR APPROVAL
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(IFC) ISSUE FOR CONSTRUCTION
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AUG 23, 2019
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(AB) AS-BUILT
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TITLE
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THIS DESIGN DRAWING AND SPECIFICATION IS THE EXCLUSIVE PROPERTY OF CIMCO REFRIGERATION. IT AND/OR THE DESIGN THEREIN ARE NOT TO BE COPIED, SOLD, TRANSFERRED OR REPRODUCED IN ANY WAY AND IS SUBJECT TO RETURN ON DEMAND. THE ITEMS DESCRIBED MAY NOT BE BUILT OR ASSEMBLED OR ITS DESIGN CRITERIA DISCLOSED TO OTHER PARTIES WITHOUT THE WRITTEN PERMISSION OF CIMCO REFRIGERATION.
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FOR
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DRAWN
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CHECKED
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DATE
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SCALE
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JOB NO.
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DWG. NO.
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REV.
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STATUS
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S:\CUSTOMER\NANAIMO, CITY OF\FRANK CRANE ARENA\A1050159 - FRANK CRANE ARENA\01 CIMCO CONSTRUCTION DRAWINGS\LATEST REVISION\A1050159 - R100 - REV D - P&ID.DWG
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