Sunshine Act Meetings, 71381 [2023-22911]
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Federal Register / Vol. 88, No. 198 / Monday, October 16, 2023 / Notices
must require a manual reset before the
contactor can be closed.
(11) Fail-safe ground check circuits
shall cause the contractor to open when
either the ground or pilot wire is
broken.
(12) A monthly examination shall be
conducted on each circuit to ensure
proper operation of the contactor.
(13) The monthly examination shall
include activating undervoltage, ground
fault, and ground monitor trip devices.
The results of the contactor test shall be
recorded with the required circuit
breaker monthly tests.
(b) The petitioner shall use a Variable
Frequency Drive (VFD) in series with a
circuit breaker instead of a circuit
breaker alone. The circuit breaker shall
provide short circuit protection. A
ground fault relay will provide
grounded phase protection which will
cause the circuit breaker to open. The
VFD shall provide protection from
undervoltage and overcurrent.
(1) The VFD shall be rated for the
maximum voltage of the circuit being
protected.
(2) The VFD shall be rated for the
continuous full load current of the
utilization equipment.
(3) The nominal voltage of the control
circuit(s) shall not exceed 120 volts.
(4) The VFD shall provide
undervoltage protection. The VFD shall
trip at 55 percent of the nominal voltage
based on the parameter settings in the
VFD that shall de-energize the output of
the VFD.
(5) The VFD shall provide overcurrent protection to the connected
load. The VFD shall use an internal
algorithm to protect the equipment
based on a rated load. The VFD shall
calculate the motor temperature based
on current draw over time. If the motor
temperature reaches the setpoint for the
defined time, the VFD shall fault
indicating a motor overload. This shall
be a latching fault requires a manual
reset.
(6) A circuit breaker shall provide
short circuit protection for systems
using a VFD. A ground fault relay shall
provide grounded phase protection by
causing the breaker to open.
(7) The VFD shall be located in the
same main enclosure as the circuit
breaker.
(8) Each circuit breaker installed in
series with a VFD shall be equipped
with devices to provide short-circuit
protection for each piece of equipment.
(9) Ground fault and ground monitor
trips shall not automatically reset and
shall require a manual reset before the
VFD would turn the output on.
(10) Fail-safe ground check circuits
shall cause the breaker to open when
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either the ground or pilot wire is
broken.
(11) A monthly examination shall be
conducted on each circuit to ensure
proper operation of the breaker and
VFD.
(c) Within 60 days after this proposed
decision and order is granted, the
petitioner shall submit proposed
revisions to its part 48 training plant to
the appropriate MSHA District
Official(s), specifying task training for
all miners who are assigned to work in
any pertinent area.
(d) The training shall include the
purpose of the contractor systems and
VFD systems, the potential hazards of
working on or near belt conveyors and
belt conveyor drives, and the
requirements of 30 CFR 75.1725(c) and
(d).
(e) The requirements of 30 CFR 48.3
for approval of proposed revisions to
existing approved training plans shall
apply.
The petitioner provided
documentation to include typical
control schemes, contactor
specifications, VFD specifications,
breaker specifications, ground monitor
specifications, ground fault relay
specifications, and coupler
specifications in support of their
petition.
The petitioner asserts that the
alternate method proposed will at all
times guarantee no less than the same
measure of protection afforded the
miners under the mandatory standard.
Song-ae Aromie Noe,
Director, Office of Standards, Regulations,
and Variances.
[FR Doc. 2023–22742 Filed 10–13–23; 8:45 am]
BILLING CODE 4520–43–P
NATIONAL SCIENCE FOUNDATION
Sunshine Act Meetings
The National Science Board’s
Committee on Oversight hereby gives
notice of the scheduling of a
teleconference for the transaction of
National Science Board business
pursuant to the NSF Act and the
Government in the Sunshine Act.
TIME AND DATE: Wednesday, October 18,
2023, from 10:30–11:30 a.m. EDT.
PLACE: This meeting will be via
videoconference through the National
Science Foundation, 2415 Eisenhower
Avenue, Alexandria, VA 22314.
STATUS: Closed.
MATTERS TO BE CONSIDERED: The agenda
is: Committee Chair’s opening remarks
regarding the agenda; Presentation and
PO 00000
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71381
discussion of the Results of NSF Pilots
to Improve Reviewer Training.
CONTACT PERSON FOR MORE INFORMATION:
Point of contact for this meeting is:
Chris Blair, cblair@nsf.gov, 703–292–
7000. Meeting information and updates
may be found at www.nsf.gov/nsb.
Christopher Blair,
Executive Assistant to the National Science
Board Office.
[FR Doc. 2023–22911 Filed 10–12–23; 4:15 pm]
BILLING CODE 7555–01–P
NUCLEAR REGULATORY
COMMISSION
[Docket No. 50–483; NRC–2023–0158]
Union Electric Company, dba Ameren
Missouri; Callaway Plant; Unit No. 1
Nuclear Regulatory
Commission.
ACTION: Exemption; issuance.
AGENCY:
The U.S. Nuclear Regulatory
Commission (NRC) has issued an
exemption in response to an exemption
request from Union Electric Company
doing business as Ameren Missouri (the
licensee) submitted by letter dated
October 12, 2022, as supplemented by
letters dated December 1, 2022, May 9,
2023, June 21, 2023, and August 3,
2023.
SUMMARY:
The exemption was issued on
October 5, 2023.
ADDRESSES: Please refer to Docket ID
NRC–2023–0158 when contacting the
NRC about the availability of
information regarding this document.
You may obtain publicly available
information related to this document
using any of the following methods:
• Federal Rulemaking Website: Go to
https://www.regulations.gov and search
for Docket ID NRC–2023–0158. Address
questions about Docket IDs in
Regulations.gov to Stacy Schumann;
telephone: 301–415–0624; email:
Stacy.Schumann@nrc.gov. For technical
questions, contact the individual listed
in the FOR FURTHER INFORMATION
CONTACT section of this document.
• NRC’s Agencywide Documents
Access and Management System
(ADAMS): You may obtain publicly
available documents online in the
ADAMS Public Documents collection at
https://www.nrc.gov/reading-rm/
adams.html. To begin the search, select
‘‘Begin Web-based ADAMS Search.’’ For
problems with ADAMS, please contact
the NRC’s Public Document Room (PDR)
reference staff at 1–800–397–4209, at
301–415–4737, or by email to
PDR.Resource@nrc.gov. The request for
DATES:
E:\FR\FM\16OCN1.SGM
16OCN1
Agencies
[Federal Register Volume 88, Number 198 (Monday, October 16, 2023)]
[Notices]
[Page 71381]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2023-22911]
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NATIONAL SCIENCE FOUNDATION
Sunshine Act Meetings
The National Science Board's Committee on Oversight hereby gives
notice of the scheduling of a teleconference for the transaction of
National Science Board business pursuant to the NSF Act and the
Government in the Sunshine Act.
TIME AND DATE: Wednesday, October 18, 2023, from 10:30-11:30 a.m. EDT.
PLACE: This meeting will be via videoconference through the National
Science Foundation, 2415 Eisenhower Avenue, Alexandria, VA 22314.
STATUS: Closed.
MATTERS TO BE CONSIDERED: The agenda is: Committee Chair's opening
remarks regarding the agenda; Presentation and discussion of the
Results of NSF Pilots to Improve Reviewer Training.
CONTACT PERSON FOR MORE INFORMATION: Point of contact for this meeting
is: Chris Blair, [email protected], 703-292-7000. Meeting information and
updates may be found at www.nsf.gov/nsb.
Christopher Blair,
Executive Assistant to the National Science Board Office.
[FR Doc. 2023-22911 Filed 10-12-23; 4:15 pm]
BILLING CODE 7555-01-P