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API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Royce King 2.1.2 Technical The word "rodents" is used in this paragraph to cover Suggest that the word "rodents" 2.1.2 change to “animals”
some of the nuisances that affect motors in their be changed to "varmits" which
ConocoPhillips installation sites. Per the definition of rodent, it is a per the dictionary is "a bird or
(Negative) mammal (mouse or rat) with large incisor teeth. There animal regarded as undesirable
are other nuisances that exist besides rodents, such or troublesome".
as snakes and birds and such. In some parts of the
world other pests may exist. The word rodent is too
specific.
Royce King 2.4.2.1 Technical How does this paragraph relate to anti-friction bearings If Paragraph 2.4.2.1 is not “on its oil film” removed
which the document allows? The paragraph as written applicable for machines with
ConocoPhillips appears to relate only to those bearings having an oil antifriction bearings, add a
(Negative) film (.....with the rotor installed and rotating on its oil statement indicating that is the
film,.....). The document allows antifriction bearings situation. If this paragraph is
(Para 2.4.6.2.2 and other places). It is not clear how applicable for machines with
this would apply to machines having antifriction type antifriction bearings, the
bearings. paragraph should be reworded to
include them.
Royce King 3.2.1.1 and Technical Not all RTDs are created equal...not even 100 ohm The document should include the Alternate alpha values to
3.3.1 RTDs. There are different 100 ohm RTD most universally used alpha be addressed in the DS
ConocoPhillips characteristics with differing alpha numbers. Therefore number as the default in these guide. More space on
(Negative) stating that the RTDs should be 100 ohms at 32 paragraphs "unless an alternate data sheet for “Type”.
degree F is not fully definitive. The alpha is specified", with space allowed
characteristic should be defined as well. Within our on the data sheet to include an
company the most commonly used 100 ohm RTD is alternate alpha number for those
that having an alpha characteristic of 0.00385 wishing to use their internal
ohm/ohm/Deg C. company standard.
Royce King 3.2.1.2 and Technical In the discussion in the base document in 3.2.1.2 as The spec should indicate that Changed to 3 per phase,
Appendix D well as in the Appendix D for the data sheet Page 4, some users may wish to increase and DS line allows for
ConocoPhillips line 16, the basis for stator RTDs as discussed is for the number of installed RTDs so more.
(Negative) "two per phase." However, the spec and Appendix D that they are guaranteed that
to not discuss the desire to have "two per phase" they will have 2 per phase
working RTDs over the life of the machine, including working when the machine ships
an allowance for a manufacturing problem where one to the field and also have an
or more may not be working after manufacturing and allowance for an alternate later in
stator VPI, or later in the machine's life in the field. the machine's life. The Appendix
Also on particularly large slow speed machines, we should be modified to discuss
often will specify additional RTDs to be installed to get both the option to specify more
page 1 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
better coverage around the circumference of the stator than two per phase in order to
so that we can find those RTDs that are most reflective ensure that they will have that
of the hot spots of the stator. many working when shipped,
plus discuss the potential need to
have additional RTDs on large
diameter machines. The spec
should be changed to add the
following to the end of the
paragraph 3.2.1.2 "When
specified on the data sheet,
additional RTDs per phase may
be required to provide for spare
detectors to cover manufacturing
defects, future failures in the field
during the life of the machine, or
other needs of the owner." The
data sheet should be modified to
reflect this change as well.
Royce King Section Technical Test stand lube oil systems can sometimes get fouled, The paragraph should include the Filtration level clarified.
4.3.1.9 depending on the diligence of the factory to clean and following language. "Where the
ConocoPhillips service them, or to service them following a previous vendor's shop lube system is to Cleanliness sentence
machine on test that had a bearing failure. I have had be utilized, the vendor shall clarified.
(Negative)
bearings damaged during test by a dirty lube oil demonstrate to the purchaser or
system, even equipped with filters. his representative that the lube
system is clean and free of
contaminants."
Royce King 4.3.2.1.i Technical The specification defines that the bearings (assuming The document needs to define Design and manufacturing
they are hydrodynamic and not antifriction) shall be the remediation process that procedures are the
ConocoPhillips inspected following all run tests. It defines that the should be taken when the responsibility of the
(Negative) contact between the shaft journal and the bearing bore machine does not meet the manufacturer.
shall be a minimum of 80 percent, etc etc. However, requirements set forth in this Remediation steps are
the document does not state what to do if the contact paragraph. then not included in this
is less than 80 percent, or exhibits edge loading or is document.
not symmetrical. It is normal within the petrochemical
industry to require the bearings to be scraped and Spherically seated added
worked until the 80 percent "contact" is achieved, and to 2.4.7.1.1
then to require the machine to be re-assembled and Repeat test is noted in
retested. I do not find these requirements in the 4.3.1.12
page 2 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
document.
Paul Hamer See Technical I will be submitting a Word document with my See the Word document.
attachment comments by e-mail later today. My negative vote is
Chevron only associated with the comments on Section 4.
Corporation
(Negative)
Paul Hamer Figure 4.1 and 4.3.3.10 Comments (These are My recommendation is to Issue discussed
the only “negative” ballot comments) retain the shaft vibrations extensively and
nd consensus of the work
limits as in the 2 Edition and
Figure 4.1 and 4.3.3.10 – There is a subtle change 4.3.3.10.1 to read: group is to keep the
change proposed for the vibration limits. At 3600 formula and figure
nd
“The unfiltered vibration limits consistent (ie: 2 mils @
rpm, the shaft vibration limit in the 2 Edition is for machines up to 3000 3600 3000 rpm)
2.0 mils unfiltered and 1.6 mils filtered at one- RPM rated speed shall not
times running speed frequency. The 2.0 mil exceed 2.0 mils p-p Adopted suggestion to
unfiltered limit (including shaft runout) was also displacement. For machines make figures more
st readable.
the shaft vibration limit for the 1 Edition of the with rated speeds in excess of
rd
standard (1990). With the proposed 3 Edition 3000 3600 rpm, the unfiltered
draft, the above limits are changed to 1.83 (1.8) vibration limit shall not
mils unfiltered and 1.46 (1.5) mils filtered at one- exceed: …” Figure 4.1 will
times running speed frequency for a 3600 rpm require a curve step-change
machine. In fact, the unfiltered shaft vibration +
at 3600 rpm from 2.0 mils to
limits for all rated speeds above 3000 rpm are 1.8 mils if the plot is continued
nd
90% of the 2 Edition limits, as represented in using the equation
the curve of Figure 1. There are many turbo-
12000
generator units that Chevron has purchased A from > 3600 to
(from manufacturers not presently represented N
st nd
on the Task Group) to the 1 and 2 Edition 10000 rpm. To be consistent
limits that are operating satisfactorily in service. nd
with the 2 Edition limits as
Some of these generators may not have passed represented on the curve of
rd
the proposed 3 Edition vibration limits. What is Figure 1 (page 30 of the 2
nd
the justification for this more stringent Edition), a 1.1 multiplier would
requirement? Consider that the API 546 limits need to be applied to
are already two-thirds (or less) of the ISO limits Equations (7) and (8) of the
for generators with ratings of greater than 50 MW proposed Section 4.3.3.10.1.
(see information given below). My concern is
page 3 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
that some two-pole machines could be rejected
for no good reason.
Note that the Figure 1 curve is, at present, The curve and limits would
nd
incorrectly shown in the 2 Edition, if reference is also be more clearly
made to Note 1 of the Figure (unfortunately, represented if there were 0.1
there’s also a typo in the equation of the Note in mil log scale calibrations
my copy of the standard). As I recall when the between 1.0 and 2.0 mils –
st nd
curve was created for the 1 and 2 Editions, the perhaps truncate the curve’s
unfiltered limit curve developed for Figure 1 was vertical scale below 0.5 mils
actually 110% of A for speeds of 3600 through and above 3 mils to permit
10000 rpm [see the above equation for A], up to this. I additionally suggest
where it intersected the 2.0 mil “constant” limit for that the filtered (one-times
speeds of 3600 rpm and below. Perhaps this running speed) vibration limits
should be considered, if a curve discontinuity at also be shown as a curve on
+
3600 rpm is of concern to the Task Group. Figure 4.1.
(Optional comment follows in
Refer to the following ISO standards, which have this paragraph) Should the
more liberal vibration limits than the present API curves of Figure 1 be
nd
546, 2 Edition: terminated at 7500 or 8000
rpm, instead of 10000 rpm,
ISO 10816-2, Mechanical vibration Evaluation since this is the practical
of machine vibration by measurements on upper limit for synchronous
non-rotating parts Part 2: Land-based steam rotors that have windings?
turbines and generators in excess of 50 MW
Permanent-magnet or
with normal operating speeds of 1500 r/min,
1800 r/min, 3000 r/min and 3600 r/min- reluctance type rotors do not
Second Edition; and Corrigendum appear to be in the scope of
1:08/01/2004. API 546 (although they are
not specifically excluded), and
ISO 7919-2, Mechanical Vibration - these types of rotors may not
Evaluation of Machine Vibration by have the same speed
Measurements on Rotating Shafts - Part 2: limitation as the conventional
Land-Based Steam Turbines and Generators type of synchronous rotor.
in Excess of 50 MW with Normal Operating
Speeds of 1500 r/min, 1800 r/min, 3000 r/min
page 4 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
and 3600 r/min-Second Edition. I request that the above
comments be considered in
For the Task Group’s information: The unfiltered the context of two-pole
shaft relative displacement limits for a “new machines where API 546 may
machine” are 75 microns (2.95 mils), 80 microns be applied between the
(3.15 mils), 90 microns (3.54 mils) and 100 ratings of approximately 10
microns (3.94 mils) for 3600, 3000, 1800, and and 150 MVA.
1500 rpm, respectively, in ISO 7919-2. The
bearing housing/pedestal limits per ISO 10816-2
for a “new” machine are 3.8 mm/s (rms) for 3000
and 3600 rpm and 2.8 mm/s (rms) for 1500 and
1800 rpm.
Royce King 6.6.3 Technical It is important to know what bearings and seals are Somewhere in Section 6.6.3, add Inserted as “.e”
installed in the machine. This is important to know the following: "The drawings
ConocoPhillips when installing the motor on site as well as in the should include detail drawings of
(Negative) future when planning maintenance or having to work the bearings and the shaft seals.
on the machine. If there is a failure of the bearings or The drawings should also include
seals these documents can be very valuable in getting information on the make and
new bearings, particularly if some time has passed manufacturer's catalog number of
between when the machine is installed and the the bearings and seals where
bearings or seals fail. In some cases the OEM may no applicable."
longer be in business.
Royce King 6.8.3 and Technical Information on the machine bearings and shaft seals in The following are proposed. Added
6.8.4 very important to have in the installation manual and
ConocoPhillips the operation and maintenance manual. Some
(Negative) bearings, such as the spherical seat bearings made by 6.8.3 Last sentence "It shall
several manufacturers, are very complex and have contain information such as
special detailed instruction manuals for the care and special alignment procedures,
feeding of these bearing systems. Included in these specific bearing and shaft seal
instructions should be information on things like installation considerations, utility
bearing "crush" that is required. specifications (including
quantity), and all installation
design data."
page 5 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
"6.8.4.c Detailed instructions, added
including pictures and sketches,
outlining the appropriate methods
for disassembly, inspection, re-
assembly and maintenance of
the machine's bearings and shaft
seals."
Royce King Data Sheet, Technical Many machines have spherical seat bearings and Add a selection for spherical seat Added to 2.4.7.1.1
Sync there is no place to indicate this type of bearing. bearings.
ConocoPhillips Motors,
(Negative) Page 3,
Bearings
COMMENTS ABOVE ARE ASSOCIATED WITH
NEGATIVE BALLOTS
COMMENTS BELOW ARE NOT ASSOCIATED
WITH NEGATIVE BALLOTS
Lorraine Padden 1.3.2 Technical Last sentence & note should be combined. The North American standards Paragraph kept as written.
are the base documents. When
Padden
specified by the purchaser, the
Engineering, LLC
1.3.2 This document recognizes two different corresponding international
(Affirmative) systems of standards for the manufacturing and testing standards are acceptable for use
of electrical machines: American National Standards as alternatives; however, the
Institute (ANSI), Institute of Electrical and Electronics purchaser should be aware that
Engineers (IEEE), and National Electrical specific requirements contained
Manufacturers Association (NEMA); or International within corresponding standards
Electrotechnical Commission (IEC) and International may differ.
Organization for Standardization (ISO). The North
American standards are the base documents. When
specified by the purchaser, the corresponding
international standards are acceptable for use as
alternatives; however, this must not be construed that
they are identical to the North American standards.
page 6 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
NOTE: The purchaser should be aware that specific
requirements contained within corresponding
standards may differ.
Louis Barrios 1.5.9 Technical The second sentence on "Rated Power Factor", which Delete second sentence. Deleted
was added in this revision cycle, does not add clarity
Shell Global and may confuse readers of the standard.
Solutions (US)
Inc.
(Affirmative)
Royce King 1.6 Technical (This comment is not a basis for the negative ballot) This appeared to be an editorial Highlighted in yellow for
The statement (To be re-examined after 546 document comment during development action in the proof stage.
ConocoPhillips is finished.) should be removed. and should be removed.
(Negative)
Paul Hamer 1.6 50.010 added
1.6 – Need to add the following references:
50.12 Subject to review
IEEE Std C37.010-1999, IEEE 50.13 added
Application Guide for AC High-Voltage
Circuit Breakers Rated on a Symmetrical
Current Basis
IEEE Std C50.12™-2005, IEEE Standard
for Salient-Pole 50 Hz and 60 Hz
Synchronous Generators and
Generator/Motors for Hydraulic Turbine
Applications Rated 5 MVA and Above
IEEE Std C50.13™-2005, IEEE Standard
for Cylindrical-Rotor 50 Hz and 60 Hz
Synchronous Generators Rated 10 MVA
and Above
The last two standards should be reviewed to
page 7 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
include any relevant references. NEMA MG 1
(2006) requirements are exclusive of the
requirements for the types of machines covered
by the two C50 standards.
Royce King 2.1.8 and Technical (This comment is not a basis for the negative ballot.) Run spell check and other editor Period removed
others At the end of the first sentence in this paragraph there features to pick up the errors.
ConocoPhillips is an extra period. Throught the document there are
(Negative) punctuation errors.
Lorraine Padden 2.1.8 Technical Clarify maximum exposed surface temperture to align 2.1.8 The machine and all of Kept as written
with recommendations in IEEE 1349 and recognize its auxiliary devices shall be
Padden suitable for the area classification Existing references to
AIT.
Engineering, LLC AND AIT specified by the 1349 and 303 are
purchaser on the data sheets. sufficient
(Affirmative)
2.1.8 The machine and all of its auxiliary devices THE MACHINE SHALL HAVE
shall be suitable for the area classification specified by AN EXPOSED SURFACE
the purchaser on the data sheets. .Auxiliary devices TEMPERATURE LESS THAN
shall be listed or certified where required in THE AIT OR NOT EXCEEDING
accordance with the area classification system 200C FOR NORMAL
specified, i.e. NFPA 70, Articles 500, 501, 502 and 505 OPERATING CONDITIONS AT
(Class, Group, Division or Zone, and Temperature NAMEPLATE RATINGS,
Code), or IEC 60079-10 (Zone, Class, Group, and WHICHEVER IS LOWER.
Temperature Code) and specified local codes. (See Auxiliary devices shall be listed
IEEE 1349 and IEEE 303 for additional guidance and or certified where required in
information on application of motors and accessories accordance with the area
in Class I, Division 2 locations.) classification system specified,
i.e. NFPA 70, Articles 500, 501,
502 and 505 (Class, Group,
Division or Zone, and
Temperature Code), or IEC
60079-10 (Zone, Class, Group,
and Temperature Code) and
specified local codes. (See IEEE
1349 and IEEE 303 for additional
guidance and information on
application of motors and
page 8 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
accessories in Class I, Division 2
locations.)
Jim Kay 2.1.8 Technical IEC 60079-14 should be referenced as it specifies the Add “and 14” after “IEC 60079- Accepted as generic
type of equipment required and provides installation 10”. 60079
GE Canada Large rules.
Motors
(Affirmative)
Louis Barrios 2.1.9 Technical Section 2.1.9 appears to be redundant. 2.1.9 refers Delete section 2.1.9. deleted
back to section 2.1.8 for motors supplied by an ASD,
Shell Global even though section 2.1.8 already applies to all
Solutions (US) machines specified by the standard.
Inc.
(Affirmative)
Louis Barrios 2.1.11 Technical The phrase "permit rapid and economical maintenance Sentence re-written
and inspection" is somewhat vague. This is legacy
Shell Global text from previous editions. There are many aspects of
Solutions (US) the motor that are not rapid to inspect (ex. rotor bar
Inc. integrity). Unfortunately, I don't have any suggestions
(Affirmative) to improve the current wording.
Victor Minak 2.2.2 Stator Technical Add: Added in 2.3.1.1
Insulation
ExxonMobil The insulation system shall contain no visible voids.
Research &
Engineering
(Affirmative)
Jim Kay 2.2.4.1 Technical “80% voltage” does not appear to allow for voltage Modify the second half of the Paragraph maintained as
recovery due to the inrush current reducing during clause to read “. . . running speed written
GE Canada Large acceleration. This is not a realistic condition and could with and initial 20% voltage dip at
Motors result in added complexity in the rotor circuit, e.g., motor terminals."
(Affirmative) adding a starting resistor when not required.
Jim Kay 2.2.4.3 Technical When specific starting details are known, a 10% Modify note 1 to read “. . . Sub-group established to
accelerating torque margin should be maintained provided in clauses 2.2.3.1, examine. (Barry, Mark and
GE Canada Large throughout the accelerating period – this may mean 2.2.4.1 and 2.2.6.1 b are not Bill) Done. Added 2.2.4.4
Motors that the motor starting torques do not meet 2.2.6.1 b. applicable.”
page 9 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
(Affirmative)
Jim Kay 2.3.1.1 Technical This clause implies that the stator leads should be Move “including stator lead Stator leads are attached,
VPI’d – I do not believe this is the intent. connections to the windings” to and held above the resin
GE Canada Large the second sentence after the during the VPI process.
Motors word “system”.
Remains as written.
(Affirmative)
Gabe D'Alleva 2.3.1.1 Technical Add requirement stator insulation should be void free. Revise second sentence to read. Adopted, see as written
There is no other known standard that requires void "The insulation system shall be 2.3.1.1
ExxonMobil free insulation. 4 KV windings may pass partial 'void free' and capable of
Research & discharge, power factor tip up tests due to test voltage withstanding a sealed winding
Engineering being below partial discharge inception conformance test in accordance
(NonVoter) with NEMA MG 1 Part 20.
Paul Hamer 2.3.1.1 2.3.1.1 – See the temperature limits in IEEE Stds Paragraph allows use of
C50.12 and C50.13. Are these consistent? applicable standard.
Paul Hamer 2.3.1.8 2.3.1.8 – IEEE 429-1994 was withdrawn. Is it Not active, but best
active again? reference available.
(IEEE P1776 is currently
working to replace 429
and 275.)
No change.
Lorraine Padden 2.4.1.1.f Technical Reference IEEE 1349 and NFPA 496 f. When specified, Reference IEEE 1349
machines to be installed in
Padden classified Div. 2 or Zone 2 areas
Engineering, LLC shall be provided with provisions
(Affirmative) for effective pre-start purging as
2.4.1.1 described on the datasheet.
f. When specified, machines to be installed in Reference IEEE 1349 and NFPA
classified Div. 2 or Zone 2 areas shall be provided with 496
provisions for effective pre-start purging as described
on the datasheet.
W. Lockley 2.4.1.2.4 Technical Celsius figures don't convert correctly to Fahrenheit for Change equivalence to make 20 BL check TEMA
Standards next week and
page 10 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Lockley temperature rises. 20 K is 36 F and 10 K is 18 F K to 36F and 10 K to 18 F propose change to group.
Engineering Ltd.
(Affirmative)
Royce King 2.4.2.7.9 Technical (This comment is not a basis for the negative ballot.) Change the jack bolt specification Coarse is preferred by
Our company preference is for the jack bolts to be to UNC or UNF threads as SOME. Both coarse and
ConocoPhillips UNF threads so that the movement is more precise. specified and put a place on the fine work, but when the
(Negative) data sheet for the user to make a bolts are lost, coarse bolts
selection. are more available.
Jim Kay 2.4.2.10 Technical Some manufacturers utilize an epoxy mounted dowel – Add “The use of an epoxy “… space for field drilling
this eliminates the need for on-site machining and fully mounted dowel arrangement is and reaming (if
GE Canada Large meets the intent of this clause. an acceptable alternative.” at the required)….
Motors end of the second sentence.
(Affirmative)
Paul Hamer 2.4.5.1.2 b 2.4.5.1.2.b – Does this item even apply in the Keep paragraph as
case of two-pole synchronous construction? I written.
believe it does not and should be deleted.
Paul Hamer 2.4.6.2.7.1 2.4.6.2.7.1.c – Phase to ground faults are almost Added in
c never a consideration (due to resistance
grounding of the neutral). Did the TF mean
“…such as start-up of synchronous electric
motors and generator phase-to-phase or phase-
to-ground three-phase faults.”?
Jim Kay 2.4.6.2.6 c Technical What is a “coupling plane of flexure”? Need to review and provide a Removed “plane of
better description to clarify. flexure”
GE Canada Large
Motors
page 11 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
(Affirmative)
Royce King 2.4.7.1.14 Technical (This comment is not a basis for the negative ballot) See the Comment section. Make No change to paragraph.
API 546 and API 610 consistent
ConocoPhillips on temperature.
(Negative) There is not a lot of difference between bearings in
pumps and bearings in motors. The API 546
document and the API 610 document are not
consistent.
Consider making this paragraph consistent with API
610 10th ed. which states:
Sufficient cooling, including an allowance for fouling,
shall be provided to maintain oil and bearing
temperatures as follows, based on the specified
operating conditions and an ambient temperature of 43
°C
(110 °F):
a) for pressurized systems, oil outlet temperature
below 70 °C (160 °F) and bearing metal temperatures
(if bearing-temperature sensors are supplied) less than
93 °C (200 °F). During shop testing, and under the
most adverse specified operating conditions, the
bearing-oil temperature rise shall not exceed 28 K
(50 °R);
b) for ring-oiled or splash systems, oil sump
temperature below 82 °C (180 °F). During shop
testing, the sump oil temperature rise shall not exceed
40 K (70 °R) and (if bearing-temperature sensors are
supplied) outer ring temperatures shall not exceed 93
°C (200 °F).
page 12 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Lorraine Padden 2.4.8.5 Technical API documents should prohibit common lube oil 2.4.8.5 MOTOR AND Partially adopted as Note
systems of motors/generators with equipment that is GENERATOR COMMON LUBE 2.
Padden
handling flammable/combustible materials. The OIL SYSTEMS ARE
Engineering, LLC
documented events in IEEE 1349 show the majority PROHIBITED WITH
(Affirmative) were directly related to problems with common lube oil EQUIPMENT HANDLING
systems introducing flammables into the motor FLAMMABLE OR
housings and subsequently contributing to the events. COMBUSTIBLE MATERIALS.
In addition, there was a generator event with a similar Where oil is supplied from a
problem which had been reported. Other unreported common system to two or more
events have been mentioned which were directly machines (such as a
attributed to common lube oil systems. In IEEE Std. compressor, a gear, and a
242-2001 (Buff Book), Chapter 10, Motor motor), the oil's characteristics
Protection,10.5.3.3.4 Fire detection and will be specified on the data
protection..."For fire detection and protection, the sheets by the purchaser on the
following items should be considered: (c) ... Lubricating basis of mutual agreement with
systems of gas compressors or hydrocarbon pumps all vendors supplying equipment
should be kept separate from the motor to preclude served by the common oil
combustibles and flammables from entering the motor system.
through the oil system."
Note: The usual lubricant
This mode of failure with possible significant event employed in a common oil
should be prevented by API standards. system is a hydrocarbon oil that
corresponds to ISO Grade 32, as
specified in ISO 3448.
2.4.8.5 Where oil is supplied from a common
system to two or more machines (such as a
compressor, a gear, and a motor), the oil's
characteristics will be specified on the data sheets by
the purchaser on the basis of mutual agreement with
all vendors supplying equipment served by the
common oil system.
Note: The usual lubricant employed in a common oil
system is a hydrocarbon oil that corresponds to ISO
page 13 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Grade 32, as specified in ISO 3448.
Royce King 2.4.8.6 Technical (This comment is not a basis for the negative ballot) Change the reference in 2.4.8.6 included
There is a new industry standard, ISO 10438, that from API 614 to ISO 10438.
ConocoPhillips covers pressurized oil systems. The intent of the new
(Negative) document is to update and replace API Standard 614.
Jim Kay 2.5.1.5 Technical Should this be an optional item? It is an option on the Add a bullet and “When Bulleted
data sheet. specified” or delete the option on
GE Canada Large the data sheet.
Motors
(Affirmative)
Jim Kay 2.5.3.3 Technical A 48 hour burn-in of rotating electronic components Show as a “when specified”. adopted
will result in a substantial increase in cost and
GE Canada Large manufacture time of both complete motors and spare
Motors or replacement parts while providing a very limited
(Affirmative) increase in reliability.
Jim Kay 2.5.3.8 Technical Continuation of operation at rated output with an open Delete clause or add a note that Clause deleted.
circuit failure of a single diode should be considered to discussions with the motor
GE Canada Large be a normal requirement. However continuation of supplier should take place before
Motors operation with a short circuited failure of a single diode selecting this option as it will
(Affirmative) would require either the use of parallel diodes and have an adverse impact on
rotating fuses or the use of series diodes with a reliability.
substantial increase in the number of components.
The complexity of the proposed assembly would result
in a decrease in the overall reliability compared to that
which is provided by basic rotating diode bridge circuit
assemblies with substantial margins between device
ratings and actual operating parameters.
Jim Kay 2.5.3.9 Technical Added complexity required that will adversely impact Replace clause with the following Paragraph re-written to
reliability. Perhaps has merit on systems that utilize a “When specified, for motor committee consensus
GE Canada Large rotor mounted synchronizing module. excitation system designs that
Motors require the use of rotor mounted
(Affirmative) field application and control
modules, the manufacture shall
provide a test device and means
page 14 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
to easily connect to all rotating
electronic devices that will test
and simulate the action of the
rotating field application and
control devices.”
Jim Kay 2.5.3.12 Technical Reference to 2.5.2.2 is incorrect. Replace 2.5.2.2 with “2.2.5.2”. done
GE Canada Large
Motors
(Affirmative)
Jim Kay 2.5.3.12 Technical The resistor thermal capacity clause would lead to a Replace second to last sentence Adopted with modifications
significant size increase that would adversely impact with “The resistor thermal
GE Canada Large rotor dynamics on 4 and 6 pole machines and add capacity shall meet the starting
Motors additional rotor- mounted components to slower speed capability requirements that are
(Affirmative) motors. defined for repeated starts and
margins in excess of expected
acceleration times that are
specified in sections 2.2.5.2 and
2.2.5.4.”
Jim Kay 3.1.1 Technical Incorrect NEMA reference. “Part 20” should change to “Part done
21”
GE Canada Large
Motors
(Affirmative)
Jim Kay 3.1.4 Technical No reference in data sheet. Either delete the bullet or add Field added in DS
additional field in data sheet.
GE Canada Large
Motors
(Affirmative)
Louis Barrios 3.1.4 Technical Should "all vertical gasketed surfaces" change to "all Language clarified
horizontal gasketed surfaces". Unless I'm reading this
Shell Global incorrectly, I thought we were more concerned about
Solutions (US) moisture accumulating on a horizontal surface rather
Inc. than a vertical surface.
(Affirmative)
page 15 of 40
API electronic balloting template/version April 2003
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Jim Kay 3.1.5 Technical Incorrect NEMA reference. I’m not sure which is the correct Reference is correct
reference?!
GE Canada Large
Motors
(Affirmative)
Lorraine Padden Technical Align Space Heaters with IEEE 1349 3.4.2 Space Revised to:
recommendations 160C which is 80% of AIT heaters shall be low power
Padden Unless otherwise
recommendation of 200C. Also note 80% limit from density, single or three phase,
Engineering, LLC specified, the surface
NEC. with a frequency and voltage as
(Affirmative) specified, with all energized parts temperature of the
covered. Low dissipation space heating element shall
o o
3.4.2 Space heaters shall be low heaters (surface temperature of not exceed 160 C (320
power density, single or three phase, with a frequency the heating element shall not F).
and voltage as specified, with all energized parts exceed 80% OF THE AIT OR
covered. Low dissipation space heaters (surface 160oC [320o F]WHICHEVER IS
temperature of the heating element shall not exceed LOWER) shall be provided and
160oC [320o F]) shall be provided and completely completely wired using high
wired using high temperature insulation lead material temperature insulation lead
of types FEPB, NI, and SA. The wiring shall be material of types FEPB, NI, and
brought out to a separate terminal box. The heaters SA. The wiring shall be brought
shall be installed inside the enclosure in a location out to a separate terminal box.
suitable for easy removal and replacement. Heaters The heaters shall be installed
shall be located and insulated so that they do not inside the enclosure in a location
damage components or finish. Any type of heater that suitable for easy removal and
contacts the surface of the stator winding is not replacement. Heaters shall be
acceptable. located and insulated so that they
do not damage components or
finish. Any type of heater that
Ć 3.4.3 Space heaters shall be contacts the surface of the stator
arranged so that heat is radiated from both sides to winding is not acceptable.
provide uniform heating of the stator windings. The
heaters shall maintain the temperature of the motor
windings at approximately 9„aF (5„aC) above the ƒÜ 3.4.3
ambient temperature. The surface temperature of the Space heaters shall
heater elements shall not be greater than 200„aC or be arranged so that heat is
the value listed on the datasheet. radiated from both sides to
provide uniform heating of the
stator windings. The heaters
page 16 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
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(e.g. 3.1)
shall maintain the temperature of
the motor windings at
approximately 9„aF (5„aC) above
the ambient temperature. The
surface temperature of the heater
elements shall not be greater
than 80% OF THE AIT OR
160oC [320o F]WHICHEVER IS
LOWER or the value listed on the
datasheet.
Jim Kay 3.4.2/3 Technical Two different surface temperatures are referenced in Delete section shown in Temperature removed in
these paragraphs. parenthesis in clause 3.4.2. 3.4.3. See 3.4.2.
GE Canada Large
Motors
(Affirmative)
Jim Kay 3.6.2.3 Technical Maximum lead length looks to be too tight for a Type II Delete the second half of the No change
box. second sentence beyond the
GE Canada Large word “possible.”
Motors
(Affirmative)
Jim Kay 3.6.4.2 Technical 6.9kV devices should be tested at 15kV. Add the word “above” in front of Adopted
the first “6.9kV” in the second
GE Canada Large sentence. Add the word “or”
Motors between “at” and “less”.
(Affirmative)
Jim Kay 3.9 Technical Add additional clause suggesting the use of liquid tight Add “3.9.4 Liquid tight flexible Not adopted
flexible metal conduit on machines shipped metal conduit can be utilized
GE Canada Large disassembled, i.e., not rigid conduit which makes without the limit shown in clause
Motors assembly in the field more difficult. 3.9.2 on machines that are
(Affirmative) shipped disassembled.”
Gabe D'Alleva 4.3.1.4 Technical Terminal boxes should be attached to motor during Revise second sentence to read. Deleted sentence.
factory testing. Rationale for this is: motor operates in Terminal boxes may 'not' be
ExxonMobil field with terminal box attached; and factory testing excluded.
Research & without terminal box prevents the witnessed factory
page 17 of 40
API electronic balloting template/version April 2003
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Engineering verification and testing of auxiliary devices mounted
in/on terminal box at factory. When machine is
(NonVoter) commissioned failed auxiliary components found in
field can not be replaced in time due to machine is in
critical service and non-spared, and critical start up
schedule. Thus potentially resulting in forced start up
with nonfunctional terminal box equipment health
monitoring components.
Gabe D'Alleva 4.3.4.2.1 c) Technical Add sentance stating there shall be no visiable voids in Add second sentence to read " Adopted
cut sacrifical coil test segments. There shall be no visible voids in
ExxonMobil the cut segments."
Research &
Engineering
(NonVoter)
Paul Hamer New item (not part of the negative ballot). Adopted
Suggest addition after 4.3.5.2, use 4.3.5.3, and 4.3.5.3 Heat
re-number subsequent paragraphs as required Exchanger
(or locate in other appropriate place): Performance
Verification Test
When specified for
machines with
TEWAC heat
exchangers, the
performance of the
heat exchanger shall
be demonstrated.
The test shall be
conducted during a
heat run of at least
four hours with the
cooling water flow
and temperature
maintained as close
as practical to rated
conditions while the
page 18 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
machine is operating
as close as practical
to rated voltage,
current, and
frequency. During
this test, all pertinent
mechanical,
electrical,
temperature, and flow
rate data shall be
recorded. The heat
exchanger air outlet
temperature shall not
exceed the specified
value, usually 40
degrees C. If the
heat exchanger test
at rated conditions is
not possible due to
either the machine
size or the test facility
capabilities, the
vendor and purchaser
shall jointly develop a
test method to
satisfactorily
demonstrate the heat
exchanger
performance. Note:
If a complete test is
specified, this heat
exchanger test may
be performed in
conjunction with the
heat run required as
part of the complete
page 19 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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(Vote) Subclause Comment Member
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(e.g. 3.1)
test.
An addition is also required
on the Data Sheets for this
item
Lorraine Padden 4.3.5.5 Technical 4.3.5.5 ADD.... 4.3.5.5 ADD.... Not adopted
ADD
Padden EXPOSDED SURFACE TEMPERATURE TEST EXPOSDED SURFACE
Engineering, LLC TEMPERATURE TEST
(Affirmative) When specified for motors
installed in classified areas, the
exposed surface temperture test
shall be performed as mutually
agreed upon by the user and
manufacturer. Reference IEEE
1349 for guidance.
Royce King 4.3.3.10.1 Technical (This comment is not a basis for the negative ballot.) Change API 546 requirements in Not adopted
thru this area to agree with the API
ConocoPhillips 4.3.3.10.5 610 10th edition requirements.
(Negative) The API 546 requirements for vibration are not
consistent with the API 610 10th edition. The two
documents should be consistent.
Paul Hamer 6.2.2.2 For generators: Keep line to ground in.
a. Short circuit currents vs. time for three phase,
line to line and line to ground fault conditions.
Is the line-to-ground fault really
necessary? Generators are almost
always resistance or impedance
grounded. Motors are always
ungrounded.
Also, propose to add to Section 6.2.2, for both
motors and generators:
page 20 of 40
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1096
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(e.g. 3.1)
6.2.2.2.3 For both motors and generators:
Adopted
Information shall be supplied to facilitate a
preliminary power system short-circuit analysis
by the user. The required machine parameters
include Xdv″ (rated voltage subtransient
reactance), X2v (rated voltage negative-sequence
reactance), Ta3 (rated voltage armature time
constant (seconds)), rated MVA, and rated
terminal voltage.
Note: IEEE Std C37.010, Table 8,
footnote “a,” describes the use of the
above information to determine the
effective resistance to be used for the
X/R of the machine during short circuit
calculations.
(Blanks for this information may need to be
included on the Data Sheet as “□” proposal
items)
Lorraine Padden Data sheets Technical Data sheets page 1 Data sheets page 1 Not adopted
- page 1
Padden
Engineering, LLC
for rotor and stator temperature rises, add references for rotor and stator temperature
(Affirmative) to 2.1.8, 2.1.9 rises, add references to 2.1.8,
2.1.9
Add not to exceed 200C
Add not to exceed 200C
Lorraine Padden Data sheet Technical Data sheet page 3 Partially Adopted
s- page 3
Padden Lubrication - For common with Driven Equipment
Engineering, LLC
add reference 2.4.8.4 and 2.4.8.5
(Affirmative)
page 21 of 40
API electronic balloting template/version April 2003
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Lorraine Padden Data sheets Technical Special Seals for Gas Purge Not adopted. 2.4.7.3
- page 8 covers
Padden add reference 2.4.1.1.f
Engineering, LLC
(Affirmative)
Lorraine Padden Data Technical Add: Exposed Surface Temperature Test Not adopted
Sheets -
Padden page 11 reference 4.3.5.5
Engineering, LLC
(Affirmative)
Lorraine Padden Appendix E, Technical Line 14 - 15 -- "Stator Temperature Rise" and "Rotor Line 14 - 15 -- "Stator Not adopted
Line 14-15 Temperature Rise" - Temperature Rise" and "Rotor
Padden
Temperature Rise" -
Engineering, LLC Add restrictions for classified areas to align with IEEE
1349 and include the reference. Add: For classified areas, the
(Affirmative)
maximum exposed surface
temperture shall not exceed the
AIT or 200C, whichever is less.
For guidance refer to IEEE 1349.
Paul Hamer Data sheets Comments on Appendices A and B Adding to top of each
page of Data Sheet: “Bold
Why are some of the blank bullets pre- indicates typical selection”,
completed? If other selections are made during and also remove solid
the machine specification, this will create bullets. BL to put some
confusion. Items that are specified in the words in the Guides to
emphasize this.
standard’s text as a normal (not a “when
specified” item) requirement should not be
repeated on the Data Sheets. A comprehensive
proofread should be made of all paragraph
numbers corresponding to bulleted items in the
text and within the Data Sheet Guides
(Appendices D and E).
Line 11 of the motor customary units data sheet
(same comment applies to the other data
sheets): Shop Inspection (4.1.1) - There
page 22 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
appears to be no need for this data sheet item Adopted, 4.1.1 revised
since it always applies in some form. Suggest
delete this item and the bullet on Section 4.1.1.
Comments on Appendix C
Recommend adding a new category B.6 for Adopted
“motors and generators:”
a. Reactances and time constants
necessary for short circuit and stability
analysis. (normally for Review and Final)
b. Information to facilitate a preliminary
power system short-circuit analysis
.(normally for Proposal).
The data sheet is the best place for the specifics.
Paul Hamer Comments on Appendix D (Also see complete lista t Adopted
bottonm of this document)
Global: The newest NFPA 497, issued in 2004,
deleted the “M” suffix. (NFPA 497-2004,
Recommended Practice for the Classification of
Flammable Liquids, Gases, or Vapors and of
Hazardous (Classified) Locations for Electrical
Installations in Chemical Process Areas);
locations where GD2/WK2 appear need to be
2 2
looked at and changed to GD /WK
Check the NFPA document for addition of more
materials. As a starting point, use this:
page 23 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Bill Lockley will update
page 24 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
page 25 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
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(e.g. 3.1)
Paul Hamer Appendix D Page 18, Line 10 – “Fault Withstand is now a Adopted as a requirement
requirement. Should it be listed as a choice? and deleted from DS and
DS guide
Paul Hamer Appendix E Comments on Appendix E
Global: Locations where GD2/WK2 appear need
2 2
to be looked at and changed to GD /WK Done
Page 12, Lines 22 and 24. Self-balancing
schemes can be used on the smaller ratings, Agreed
particularly small GT units that may be connected
to a 13.8 kV bus. I would leave it as a choice.
Page 14, Line 33 – “Fault Withstand” is now a
Now mandatory, choice
requirement. Should it be listed as a choice?
removed
Pages 14-15, Lines 3, 4, 5: “Temperature code” Bill Lockley to update
See comments on NFPA 497, above.
Lorraine Padden Appendix E, Technical Show Class, Zone, Group...in this order.... Not adopted
Line 19-20
Padden
Engineering, LLC
Line 18 - 19 --Area Classification "Class__, Division__, Line 18 - 19 --Area Classification
(Affirmative) Group__, or Zone___, Class___, Group___ or "Class__, Division__, Group__,
Nonclassified" or Class___, Zone___, Group___
or Nonclassified"
Lorraine Padden Appendix E Technical Change 250C to 200C to align with IEEE 1349 guide. Line 19 -- "Autoignition Changed to 200
Update reference NFPA 497 and this list is not Temperature " - If nothing is
Padden entered, >200°C is assumed for
"complete".
Engineering, LLC any ignitable vapors or gases
(Affirmative) that may exist around the motor
Line 19 -- "Autoignition Temperature " - If nothing is while it is in service. Some
entered, 250°C is assumed for any ignitable vapors or liquids have ignition temperatures
page 26 of 40
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1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
gases that may exist around the motor while it is in 200°C OR LOWER, and must be
service. Some liquids have ignition temperatures listed here. See the current
lower than 250°C, and must be listed here. See the edition of NFPA 497 for a listing
current edition of NFPA 497M for a complete listing of of these liquids.
these liquids.
Lorraine Padden Appendix E Technical Use the term classified and reference IEEE 1349 and Line 12 – “Provision for Pre-Start
NFPA 496. Purging” Specify this for
Padden CLASSIFIED (hazardous)
Engineering, LLC locations if it is desired to replace
(Affirmative) Line 12 – “Provision for Pre-Start Purging” Specify this all the possibly explosive
for hazardous locations if it is desired to replace all the atmosphere with air from a non
possibly explosive atmosphere with air from a non hazardous location before
hazardous location before starting. starting. REFER TO IEEE 1349
AND NFPA 496 FOR
GUIDANCE.
Lorraine Padden Appendix E Technical API should prohibit common lube oil system with Line 19-- "System Supplied By, Not adopted. BL to add
equipment handling flammable/combustible materials Common with Driven Equipment” cautionary note from the
Padden - MOTOR/GENERATOR base document into the
because of the documented events noted in IEEE
Engineering, LLC COMMON LUBE OIL SYSTEMS motor & generator DS
1349 and other industry reports. See also IEEE 242-
(Affirmative) 2001 Buff Book, Chapter 10. ARE PROHIBITED WITH guides.
EQUIPMENT HANDLING
FLAMMABLE OR
Line 19-- "System Supplied By, Common with Driven COMBUSTIBLE MATERIALS.
Equipment” - When the driven-equipment has a When the driven-equipment has
pressurized-lubrication system, the motor typically is a pressurized-lubrication system,
fed from the same system, although shared systems the motor typically is fed from the
pose a risk of gasses from the driven equipment same system, although shared
entering the motor through the lube system. This systems pose a risk of gasses
space is for selecting such a system, designating its from the driven equipment
supplier, the lubricating oil type, quantity of oil, and the entering the motor through the
supply pressure. An oil system is typically supplied by lube system. This space is for
the driven-equipment supplier. selecting such a system,
designating its supplier, the
lubricating oil type, quantity of oil,
and the supply pressure. An oil
system is typically supplied by
the driven-equipment supplier.
REFER TO IEEE 1349 AND
page 27 of 40
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
IEEE 242-2001 CHAPTER 10.
Lorraine Padden Appendix E Technical Per NFPA 70, NEC, space heaters are limited to 80% Line 40: “Temperature code” – 160 C adopted
of the AIT. Refer to recommendations in IEEE 1349, This is defined as the maximum
Padden 497 correction done from
limit space heater temperature not to exceed 160C. temperature permitted at the
Engineering, LLC PH comment
Update reference to NFPA 497. Update list as per the surface of the heater element,
(Affirmative) text to less than 200C. which could be a source of
ignition in an explosive
atmosphere. For Class I (gas or
Line 40: “Temperature code” – This is defined as the vapor) Group A, B, C or D
maximum temperature permitted at the surface of the locations, specify the Code for
heater element, which could be a source of ignition in the lesser of 160C or 80% of the
an explosive atmosphere. For Class I (gas or vapor) autoignition temperature from
Group A, B, C or D locations, specify the Code for the NFPA 497 for the specified gas
lesser of 200C or 80% of the autoignition temperature or vapor involved. The chart
from NFPA 497M for the specified gas or vapor below is taken from NFPA 497
involved. The chart below is taken from NFPA 497M and lists liquids with an AIT less
and lists liquids with an AIT less than 200 C. than 200 C.
Update list to less than 200C
Lorraine Padden Appendix E Technical Align the maximum space heater temperature with Line 13: “Frame space heaters” – Done from previous
200C AIT, which is 160C Space heater, reference All motors should include space changes
Padden heaters. Normally, the
IEEE 1349. Update reference NFPA 497.
Engineering, LLC "manufacturer's standard" bar 1349 reference not
type heater sheath material is adopted
(Affirmative)
Line 13: “Frame space heaters” – All motors should acceptable, but stainless steel or
include space heaters. Normally, the "manufacturer's other material could be specified.
standard" bar type heater sheath material is Flexible belt type space heaters
acceptable, but stainless steel or other material could should be avoided, and any type
be specified. Flexible belt type space heaters should of heater that contacts the
be avoided, and any type of heater that contacts the surface of the motor winding is
surface of the motor winding is not acceptable. Specify not acceptable. Specify 120- or
120- or 240-volt, single-phase or 208- or 480-volt, 240-volt, single-phase or 208- or
three-phase power, depending on what power source 480-volt, three-phase power,
would be available with the motor shut down. depending on what power source
Temperature Code is defined by the maximum would be available with the motor
temperature permitted at the surface of the heater shut down. Temperature Code is
element, which could be a source of ignition in an defined by the maximum
page 28 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
explosive atmosphere if the element is too hot. For temperature permitted at the
Class I (gas or vapor) Group A, B, C or D locations, surface of the heater element,
specify the Code for the lesser of 200C or 80% of the which could be a source of
autoignition temperature from NFPA 497M for the ignition in an explosive
specified gas or vapor involved. atmosphere if the element is too
hot. For Class I (gas or vapor)
Group A, B, C or D locations,
specify the Code for the lesser of
160C or 80% of the autoignition
temperature from NFPA 497 for
the specified gas or vapor
involved. Refer to IEEE 1349 for
guidance.
Lorraine Padden Appendix E Technical Add: Exposed Surface Temperature Test...4.3.5.5 and Line 25: “Other”—Examples of
reference IEEE 1349 other analysis, inspection, or
Padden
tests that might be specified are
Engineering, LLC
as follows:
(Affirmative)
Line 25: “Other”—Examples of other analysis,
Motor/Generator Exposed
inspection, or tests that might be specified are as surface temperture tests may be
follows: requested for motors installed in Not adopted
classified locations. This tests
may be considered when the AIT
is low, particularly less than
200C, and/or the normal
operating temperature of the
motor at rated conditions may
approach the AIT. Refer to IEEE
1349 for various test options and
information.
Paul Hamer Comments on Appendix F Agreed, latest version
needed for verification
Assume that this is a duplicate from the S/C on
Mechanical Equipment.
page 29 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
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(e.g. 3.1)
Paul Hamer Comments on Appendix G done
There appears to be a typo on Figures G1 and
G3 hot vibration vector (annotations).
Paul Hamer Comments on Appendix H
Is Rev 22 of the standard paragraphs the latest?
Change the wording to reference the API 546
paragraphs (in 4.3.5.3), and not API 541.
COMMENTS BELOW ARE EDITORIAL
Louis Barrios Entire Editorial The use of english units and metric units is not adopted
Document consistent throughout the document. For example, in
Shell Global 2.4.2.7.1.a, english appears before metric and then
Solutions (US) metric units appear before english.
Inc.
(Affirmative)
Louis Barrios 1.1 Editorial Should the standard specify an upper limit (or Limit not established
maximum size) for generators that the standard
Shell Global applies to?
Solutions (US)
Inc.
(Affirmative)
W. Lockley 1.1.3 Editorial 1.1.3 is a repeat of 1.1.2 Delete 1.1.3 They are different. And
1.1.3 kept.
Lockley
Engineering Ltd.
(Affirmative)
Louis Barrios 1.2 Editorial Section 1.2 on Alternative Designs references section 6.2.8
6.1.10, which does not exist.
Shell Global
Solutions (US)
Inc.
page 30 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
(Affirmative)
Royce King 1.2 Editorial (This comment is not a basis for the negative ballot) An alternate paragraph reference 6.2.8
The text refers to a paragraph (6.1.10) that does not needs to be identified or an
ConocoPhillips exist in the draft document. appropriate paragraph inserted in
(Negative) the draft.
W. Lockley 1.2 Editorial Refers to 6.1.10 Should refer to 6.2.8 Refere to 6.2.8 accepted
Lockley
Engineering Ltd.
(Affirmative)
Louis Barrios 1.5 Editorial API staff should bold-face the term being defined to done
clearly identify the defined term.
Shell Global
Solutions (US)
Inc.
(Affirmative)
Louis Barrios 1.5.7, Editorial Consider grouping all torque definitions together to Torque, Locked-rotor... Not adopted
1.5.11, improve the readability of the standard, similar to how
Shell Global 1.5.12. the NEC defines like terms. Torque, pull-in...
Solutions (US) 1.5.13
Inc. Torque, pull-out...
(Affirmative) Torque, pulsating...
W. Lockley Page 5 ISO Editorial Does not list ISO 10443 which is referenced in 4.3.1.9 Insert ISO 10443 Should be ISO 10448-1
References
Lockley
Engineering Ltd.
(Affirmative)
Louis Barrios 2.2.1.2.2 Editorial Several notes in the standard contain recommended Remove mandatory language Reviewed and adjusted as
and/or mandatory language, like the Note to section from notes and place within the necessary.
Shell Global 2.2.1.2.2. Notes should provide additional explanatory main body of the text. The 546
Solutions (US) information and should not contain requirements. committee should review all
Inc. Requirements should be removed from notes and notes to verify that they are
(Affirmative) placed within the main body of the text. explanatory in nature.
page 31 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
W. Lockley 2.3.1.1 Editorial Calls up Class B per ANSI C50.13 which has been Delete C50.13 reference Comment withdrawn
deleted. MG-1 covers temperatures OK
Lockley
Engineering Ltd.
(Affirmative)
W. Lockley 2.3.1.3 Editorial Last sentence starting with "Coils shall be tightly ..." is Delete last sentence. done
covered better in 2.3.1.10 which also specifies voltage
Lockley levels of short circuits.
Engineering Ltd.
(Affirmative)
Royce King 2.4.2.1 Editorial (This comment is not a basis for the negative ballot). Add a diamond bullet ahead of done
In the second paragraph of section 2.4.2.1, that starts this paragraph.
ConocoPhillips out "For machines operating at adjustable spped with
(Negative) operating speed.....", it would appear that this
paragraph applies to ASDs.
Royce King 2.4.2.8.d Editorial (This comment is not a basis for the negative ballot.) Close the comment. done
The parenthetical comment is not closed.
ConocoPhillips
(Negative)
W. Lockley 2.4.5.1.5 Editorial Refers to 2.4.6.2.4 Should be 2.4.6.2.7 Change 2.4.6.2.4 to 2.4.6.2.7 done
Lockley
Engineering Ltd.
(Affirmative)
W. Lockley 2.4.5.2..2 Editorial Reference to 6.1.9 should be to 6.2.7 Change 6.1.9 to 6.2.7 Done
and
Lockley 2.4.5.2.5
Engineering Ltd.
(Affirmative)
Royce King 2.4.6.1.1 Editorial (This comment is not a basis for the negative ballot) Add the diamond shaped bullet done
This paragraph contains information related to the ahead of the paragraph.
ConocoPhillips ASDs and as such should be flagged as such.
(Negative)
page 32 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
W. Lockley Fig 2-1 Editorial Figure is hard to read Make Figure larger See API
Lockley
Engineering Ltd.
(Affirmative)
Louis Barrios 2.2.6.2, Editorial Suggest changing "at a voltage to ground" in the 5th adopted
Note 1 line of Note 1 to "at an elevated voltage to ground".
Shell Global Current wording is awkward.
Solutions (US)
Inc.
(Affirmative)
Louis Barrios 2.4.1.1.d Editorial Change "The impact of potential risks..." to "The adopted
risks..." Since risk includes the likelihood (potential)
Shell Global and consequence (impact) of an event, including the
Solutions (US) terms "impact" and "potential" is redundant.
Inc.
(Affirmative)
Louis Barrios 2.4.2.1 Editorial The paragraph before 2.4.2.2 should contain a adopted
diamond to indicate this section applies to ASDs.
Shell Global
Solutions (US)
Inc.
(Affirmative)
W. Lockley 2.4.6.2.7 Editorial Design review meeting is listed as being in 6.2.1.6 but Change to 6.5 Adopted
is actually in 6.5
Lockley
Engineering Ltd.
(Affirmative)
Dan Eaton 2.4.7.1.9 Editorial Add round bullet. adopted
Marathon
Petroleum
Company LLC
(Affirmative)
page 33 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Paul Hamer 2.4.7.1.14 2.4.7.1.14.a – (Editorial) It might read better as: adopted
“For pressurized systems with an oil outlet that
provide a bearing inlet oil temperature of 50 C
(122 F) or below, the oil passing through the
bearing during shop testing and in operation shall
not exceed a temperature rise of 20 C (36 F)
and the maximum bearing metal temperature
shall not exceed 93 C (200 F).”
Paul Hamer 2.4.7.1.15 2.4.7.1.15 – (Editorial) “For ambient conditions adopted
which that exceed 42C (110F) or when the inlet
oil temperature exceeds 50°C (120F), special
consideration shall be given to bearing design, oil
flow, and allowable temperature rise.”
Dan Eaton 2.5.2.3 Editorial Add round bullet to paragraph. Adopted in principle
Marathon
Petroleum
Company LLC
(Affirmative)
Dan Eaton 2.5.3.2 Editorial Add round bullet. Adopted in principle
Marathon
Petroleum
Company LLC
(Affirmative)
Dan Eaton 3.8.2 Editorial Add round bullet. Fixed
Marathon
Petroleum
Company LLC
(Affirmative)
page 34 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Dan Eaton 3.8.3 Editorial Add round bullet. Fixed
Marathon
Petroleum
Company LLC
(Affirmative)
W. Lockley 4.3.1.5 e 1 Editorial If power is listed in kW, torque should be listed in Either change kW to HP, change Adopted (Removed units)
compatible units (i.e. Newton-meters) Ftlb to N-m or use both unit
Lockley systems.
Engineering Ltd.
(Affirmative)
Dan Eaton 4.3.1.5 Editorial Add round bullet. Adopted
Marathon
Petroleum
Company LLC
(Affirmative)
W. Lockley 4.3.1.16 Editorial Refers to potential transformers and current Change "potential transformers, Adopted
transformers. The term "potential transformer" is now current transformers ..." to
Lockley discouraged by IEEE and "voltage transformer" "instrument transformers ..."
Engineering Ltd. preferred.
(Affirmative)
W. Lockley 4.3.4.3 Editorial IEC 894 is now referred to as 60894 Change 894 to 60894 Adopted
Lockley
Engineering Ltd.
(Affirmative)
W. Lockley 4.3.5.1.1 Editorial Note under b for ASD operation partially duplicates Delete note under b Adopted
that under a
Lockley
Engineering Ltd.
(Affirmative)
W. Lockley 4.3.5.3 b Editorial Equations 6 and 7 are now 2 and 3 Change 6 and 7 to 2 and 3 Adopted
Lockley
page 35 of 40
API electronic balloting template/version April 2003
API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Engineering Ltd.
(Affirmative)
Royce King 4.3.3.13.2 Editorial (This comment is not a basis for the negative ballot.) Add the diamond shaped bullet in Adopted
This paragraph deals with requirements for ASD the margin.
ConocoPhillips machines and as such should have the diamond
(Negative) shaped bullet ahead of it.
W. Lockley 6.2 Editorial 6.2.18 is referenced but does not exist. 6.2.17 is the Change "in 6.2.1 through 6.2.18 Adopted
last paragraph ..." to "in this section ..."
Lockley
Engineering Ltd.
(Affirmative)
W. Lockley 6.2.2.2 f Editorial Refers to IEC 34 Should be IEC 60034 Change IEC 34 to IEC 60034 Adopted
Lockley
Engineering Ltd.
(Affirmative)
Dan Eaton 6.8.5 Editorial Add round bullet. Already there
Marathon
Petroleum
Company LLC
(Affirmative)
Dan Eaton 6.8.6 Editorial Add round bullet. Adopted
Marathon
Petroleum
Company LLC
(Affirmative)
Lon Ballard Editorial In the basic document, in the last section, Footnotes, Adopted
No. 13, NEMA's address is incorrect. It should be
Crouse-Hinds 1300 North 17th Street, Suite 1752, Rosslyn, VA
(Affirmative) 22209.
Lorraine Padden Appendix B Editorial Appendix B - Title, change motor to generator
page 36 of 40
API electronic balloting template/version April 2003
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
1 2 3 4 5 6
Voter Name Clause No./ Type of Comment (justification for change) by the Voting Member Proposed change by the Voting Comment Resolution
(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
Padden
Engineering, LLC
(Affirmative)
Lorraine Padden Appendix D Editorial Change the Synchronous Motor Data Sheet Guide to Adopted
(E) Appendix E because the heading at the top is
Padden Lockley to correct
Appendix E...Also shown as Appendix E is the
Engineering, LLC
Generator Guide?
(Affirmative)
This was confusing to me...please note all comments
to Appendix E refer to Appendix D and Appendix
E...sorry if this is confusing...
Richard Virgilio 2.2.1.2 Editorial Table 2-1, "Machine" Voltages are incorrect. Table 2-1, Change Machine Withdrawn
Voltages from
Foster Wheeler Table 2-2a & 2-2b, "Bus" Voltages are incorrect 2400,4160,6900,13800
USA Corporation
to
(Affirmative)
2300,4000,6600,13200
respectively.
Table 2-2a,Change Bus Voltages
from 3300,6600,11000
to
3450,6900,11500 respectively.
Table 2-2b,Change Bus Voltages
from 3000,6000,10000
to
3150,6300,10500 respectively.
Richard Virgilio 2.2.1.2 Editorial Please disregard my previous comments; machine &
bus voltages are correct as shown. (.....for a moment I
Foster Wheeler was thinking induction machines).
US
page 37 of 40
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Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
A Corporation
(Affirmative)
List associated with Paul Hamer Appendix D NFPA 497 Comments:
Check the NFPA document for addition of more materials. As a starting point, use this:
page 38 of 40
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1096
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(Vote) Subclause Comment Member
No./Annex
(e.g. 3.1)
page 39 of 40
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API Ballot Comments and Resolution (Rearranged by negative/non negative; technical/editorial)
Ballot: API 546 Draft Review Proposal: Ballot ID: Date: July 27, 2012
1096
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(Vote) Subclause Comment Member
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(e.g. 3.1)
page 40 of 40
API electronic balloting template/version April 2003
