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Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.02 - Definitions

Current through Register 1525, July 5, 2024
For the purposes of 220 CMR 114.00, the terms set forth in 220
		  CMR 114.02 shall be defined as follows:
Annual Service Quality Report
. A
		  Company's annual report which compares its performance in the previous calendar
		  year to the Department's service quality standards, as required by M.G.L. c.
		  164, § 1I.
Barhole
. A small-diameter hole made in
		  the ground along the route of a gas pipe that is used by the Gas Company to
		  obtain a sub-surface gas-in-air reading.
Combustible Gas Indicator (CGI)
. A
		  device used to detect flammable gas-in-air concentrations.
Department
. Department of Public
		  Utilities, Commonwealth of Massachusetts.
Flame Ionization Unit (FIU)
. A device
		  used to detect flammable gas concentrations measured in parts per
		  million.
FLUXbar
. A barhole purger modified to
		  gently vacuum air through a drillhole located over a leak while a CGI measures
		  the percent of gas in that airflow.
Gas Company
. Refers to every Gas
		  Company, municipal gas department, or other person engaged in the distribution
		  of natural gas, as provided in M.G.L. c. 164, §§ 1 and 34.
Gas System Enhancement Plan (GSEP)
. A
		  Gas Company's annual gas system enhancement program plan to replace aging
		  natural gas pipeline infrastructure, pursuant to M.G.L. c. 164, §
		  145.
Gas System Enhancement Plan Reconciliation
		  (GREC)
. The Department's annual investigation and reconciliation
		  of GSEP project costs pursuant to M.G.L. c. 164, § 145(f).
Leak Extent
. An area in which a Gas
		  Company has detected positive FIU readings or positive CGI readings surrounded
		  by an area of negative FIU readings or negative CGI readings.
Pipeline
. All parts of those physical
		  facilities through which gas moves in transportation, including pipe, valves,
		  and other appurtenance attached to pipe, compressor units, metering stations,
		  regulator stations, delivery stations, holders, and fabricated assemblies, as
		  defined in
		  49
		  CFR 192.3.
School Zone
. On or within 50 feet of
		  the real property comprising a public or private accredited preschool,
		  accredited Head Start facility, elementary, vocational, or secondary
		  school.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.03 - Applications for Exceptions

Current through Register 1525, July 5, 2024
Any person engaged in the classification of natural gas leaks
		  may make a written request to the Department for an exception to the provisions
		  of 220 CMR 114.00, in whole or in part.
The request shall justify why the exception should be granted
		  and shall demonstrate why the exception sought provides an equal or greater
		  level of safety than the safety objective prescribed in M.G.L. c. 164, §
		  144. The request shall include details on the need for the exception, specific
		  information on the circumstances surrounding the requested exception, the
		  provisions of 220 CMR 114.00 from which exception is sought, the time period
		  for which the exception is sought, and a description of any safety consequences
		  that might result from the exception. Documentation in support of the request
		  shall be submitted.
The Department may deny the exception or grant the exception as
		  requested, or as modified by the Department and subject to conditions. Any
		  exception shall be issued in writing and may be made by the Director of the
		  Pipeline Engineering and Safety Division, or by the Director's functional
		  successor in the event of an internal reorganization of the Department. Any
		  person aggrieved by a decision of the Director regarding a request for an
		  exception may appeal the Director's decision to the Commission. Any appeal
		  shall be in writing and shall be made not later than ten business days
		  following issuance of the written decision of the Director.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.04 - Uniform Gas Leak Classification

Current through Register 1525, July 5, 2024
(1) Every
		person whose job duties or responsibilities include the classification of
		natural gas leaks shall be trained and qualified pursuant to 49 CFR Part
		192.805 to ensure proper leak classification.
(2) Each Gas Company shall classify natural
		gas leaks utilizing established gas leak classification criteria and a method
		to determine sub-surface gas migration as set forth in the Gas Companies'
		operating procedures within a reasonable amount of time of discovery, taking
		into consideration the following:
(a) the
		operating pressure of the Pipeline;
(b) the size of the leak migration
		pattern;
(c) the population
		density; and
(d) the proximity to
		buildings and structures.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.05 - Requirements for Projects in a Public Way

Current through Register 1525, July 5, 2024
(1)
		Upon the undertaking of a significant project on a public way exposing
		confirmed natural gas infrastructure, and with sufficient notice, a
		municipality or the Commonwealth shall submit written notification of the
		project to a Gas Company. Upon receipt of such written notice the Gas Company
		shall:
(a) survey the project area for the
		presence of Grade 1, Grade 2, or Grade 3 leaks and set repair and replacement
		schedules for all known or newly detected Grade 1, Grade 2, and Grade 3
		leaks;
(b) ensure that any shut off
		valve in the significant project area has a gate box installed upon it or a
		reasonable alternative that would otherwise ensure continued public safety and
		that any critical valve that has not been inspected and tested within the past
		12 months is verified to be operational and accessible; and
(c) provide the repair and replacement
		schedule of gas leaks to the municipality or the Commonwealth.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.06 - Prioritization of Projects Located within a School Zone

Current through Register 1525, July 5, 2024
Each Gas Company shall prioritize any Pipeline repairs or
		  replacements required under 220 CMR 114.00 for gas leaks detected within a
		  School Zone. A prioritization procedure shall be included in the operators
		  Operations and Maintenance plan.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.07 - Repair or Elimination of Environmentally Significant Grade 3 Gas Leaks

Current through Register 1525, July 5, 2024
(1)
Identification and
		Designation
.
(a) Each Gas
		Company shall designate Grade 3 gas leaks as environmentally significant if
		during the initial identification or the most recent annual survey if:
1. the highest barhole reading shows a
		gas-in-air reading of 50% or higher or
2. the Leak Extent is 2,000 square feet or
		greater.
A Gas Company is not precluded from proposing to the Department
		  a more rigorous method of designating environmentally significant Grade 3 leaks
		  based on field data or tested and proven technologies that may become available
		  from time to time. Such proposals shall be submitted to the Department for
		  approval.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.08 - Reporting Requirements

Current through Register 1525, July 5, 2024
(1) Each Gas
		Company shall, for the life of the pipeline, maintain records of and provide
		the following information in its Annual Service Quality Report or on March
		1st, annually, as applicable:
(a) the location of each Grade 1, Grade 2,
		and Grade 3 leak existing as of the date of December
		31st;
(b) the date each Grade 1, Grade 2, and Grade
		3 leak was classified;
(c) the
		dates of repairs performed on each Grade 1, Grade 2, and Grade 3
		leak;
(d) leaks carried forward
		from previous calendar year;
(e)
		new leaks identified by classification during the calendar year;
(f) each leak repaired during the calendar
		year;
(g) each leak eliminated
		during the calendar year;
(h) leaks
		pending at end of calendar year;
(i) any change in leak classification during
		the calendar year;
(j) whether each
		Grade 3 leak is designated as environmentally significant;
(k) the date of designation as
		environmentally significant, as applicable; and
(l) the Leak Extent or Barhole reading for
		environmentally significant Grade 3 leaks, as applicable.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 114.00 - Uniform Gas Leaks Classification › Section 114.09 - Gas Company Procedures Manual

Current through Register 1525, July 5, 2024
Each Gas Company shall incorporate procedures for all
		  requirements of 220 CMR 114.00 into their written procedures under 49 CFR Part
		  192 as applicable, to ensure compliance with M.G.L. c. 164, §§ 105A,
		  144, and 220 CMR 114.00.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 115.00 - Uniform Reporting of Lost and Unaccounted-for Gas › Section 115.01 - Purpose and Scope

Current through Register 1525, July 5, 2024
(1)
Purpose
. 220 CMR 115.00 establishes regulations
		governing the reporting of Lost and Unaccounted-for Gas (LAUF) to the
		Department of Public Utilities, Commonwealth of Massachusetts.
(2)
Scope
. 220 CMR
		115.00 applies to every gas company, municipal gas department, or other person
		engaged in the distribution of natural gas within the Commonwealth of
		Massachusetts.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 115.00 - Uniform Reporting of Lost and Unaccounted-for Gas › Section 115.02 - Definitions

Current through Register 1525, July 5, 2024
For the purposes of 220 CMR 115.00, the following definitions
		  apply:
Company-use Gas
. Gas that is used by
		  the Gas Company in the conduct of its operations, including gas for building
		  heat, backup power generation, and process equipment such as line
		  heaters.
Department
. Department of Public
		  Utilities, Commonwealth of Massachusetts.
Division
. Pipeline Safety Division of
		  the Department.
External Damage
. The unintentional
		  release of gas from external damage to pipelines, such as by third
		  parties.
Fugitive Emissions
. Gas leak emissions
		  from pipelines, metering and regulating stations, and services.
Gas Company
. Refers to every gas
		  company, municipal gas department, or other person engaged in the distribution
		  of natural gas, as provided in M.G.L. c. 164, §§ 1 and 34.
Intentional Venting/Purging
. The
		  intentional release of gas to the atmosphere, usually through a designed vent
		  (
e.g
., a pneumatic device), during pipeline maintenance and
		  repair, installation, or abandonment.
Lost and Unaccounted-for Gas ( LAUF)
.
		  An amount of gas that is the difference between the total gas purchased by a
		  Gas Company and the sum of:
(a) Total gas delivered to customers; and
(b) Total gas used by a Gas Company in the conduct of its
		  operations (
i.e.,
Company-use Gas).
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 115.00 - Uniform Reporting of Lost and Unaccounted-for Gas › Section 115.03 - Applications for Exceptions from Provisions of 220 CMR 115.00

Current through Register 1525, July 5, 2024
Any Gas Company may make a written request to the Department
		  for an exception to the provisions of 220 CMR 115.00, in whole or in part. The
		  request shall justify why the exception should be granted and shall demonstrate
		  why the exception sought does not detract from the safety objectives of 220 CMR
		  115.00. The request shall include details on the need for the exception,
		  specific information on the circumstances surrounding the requested exception,
		  the provisions of 220 CMR 115.00 from which the exception is sought, the time
		  period for which the exception is sought, and a description of any safety
		  consequences that might result from the exception. Documentation in support of
		  the request shall also be submitted.
The Department may deny the exception or grant the exception as
		  requested, or as modified by the Department and subject to conditions. Any
		  exception shall be issued in writing and may be made by the Director of the
		  Division. Any person aggrieved by a decision of the Director regarding a
		  request for an exception may appeal the Director's decision to the Department.
		  Any appeal shall be in writing and shall be made not later than ten business
		  days following issuance of the written decision of the
		  Director.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 115.00 - Uniform Reporting of Lost and Unaccounted-for Gas › Section 115.04 - Annual Reporting Requirements

Current through Register 1525, July 5, 2024
(1) Each Gas Company
		shall file with the Department no later than March
		15th annually a report of LAUF for the previous
		calendar year. The report shall contain measurements of LAUF components as
		specified by the Department and shall be in a format approved by the
		Department. The report shall include, but not be limited to, the following
		items:
(a) Total amount of LAUF;
(b) Total gas purchased by the Gas
		Company;
(c) Total gas delivered to
		customers;
(d) Amount and
		description of any adjustment to LAUF made by the Gas Company, such as
		Company-use Gas; and
(e) Amount of
		LAUF attributable to each of the LAUF components identified and defined by the
		Department, including but not limited to the following:
1. Fugitive Emissions;
2. External Damage; and
3. Intentional Venting/Purging.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 115.00 - Uniform Reporting of Lost and Unaccounted-for Gas › Section 115.05 - Gas Company Procedures Manual

Current through Register 1525, July 5, 2024
Each Gas Company shall incorporate procedures for all
		  requirements of 220 CMR 115.00 into its written procedures under 49 CFR Part
		  192 as applicable, to ensure compliance with M.G.L. c. 164, §§ 105A,
		  147 and 220 CMR 115.00.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.10 - Scope, Nature and Application of 220 CMR 125.00

Current through Register 1525, July 5, 2024
(1)
Scope.
(a)
Extent of
		Application
. The following rules apply to electric transmission
		lines operating at alternating current voltages over 50,000 volts phase to
		phase in overhead and underground construction operated in connection with
		public utilities, privately or municipally owned. The clearances listed in the
		tables take into account the fact that the transmission line may be operated at
		5% above the voltages indicated in the tables.
(b)
Not Complete
		Specifications
.
		220 CMR 125.00 is not
		complete specifications, but are intended to embody the requirements which are
		most important from the standpoint of safety. Rules in
		220 CMR 125.00 are to be
		regarded as mandatory are characterized by the use of the word "shall". Where a
		rule is of an advisory nature, it is indicated by the use of the word
		"should".
(c)
Conformity with Good Practice
. Construction should be
		made according to accepted good practice for the given local conditions in all
		particulars not specified in the rules.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.20 - General Requirements Applying to Overhead Transmission Lines

Current through Register 1525, July 5, 2024
(1)
Inspection and Tests of
		Lines.
(a)
Initial
		Compliance with 220 CMR 125.20
. Transmission line construction
		shall comply with 220 CMR 125.20 upon being placed in service.
(b)
Patrols
. A
		visual observation of exposed components of transmission lines, their
		supporting structures and the condition of the right of way shall be made at
		least twice a calendar year at intervals not less than three months and at such
		other times as operating experience may dictate.
(c)
Tests
.
		Transmission lines shall be subjected to the following tests to determine their
		fitness for service:
1. Resistance Testing.
		Resistance of connections shall be tested at reasonable intervals, with
		consideration given to their age and the type of service, using a heat-sensing
		or other device. Conductors and connections, failure of which will require
		customers to be out of service until the failure has been repaired, shall be
		tested at intervals not to exceed three years for existing lines and 6 months,
		18 months and 36 months after in-service date for new lines and extensions and
		at intervals not to exceed 36 months thereafter.
2. Wood Pole Inspection. Tests in the
		vicinity of the ground level shall be made to determine the soundness of the
		wood within 20 years after installation and within ten year periods
		thereafter.
3. Clearances. At
		intervals not to exceed five years, vertical clearances shall be measured at
		all crossings over water and limited access highways, permits for which were
		granted with designated clearances.
(d)
Records
. The
		results of all patrols and tests and corrective action taken shall be recorded,
		and retained in accordance with
		220 CMR 75.00. Records not
		covered by the aforesaid order shall be retained for six years. However, in all
		cases, the records of the last tests shall be retained until replaced by later
		test records.
(e)
Corrective Action
. Appropriate measures shall be taken
		to correct any defects and deficiencies found on inspection.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.21 - Grounding of Overhead Transmission Lines

Current through Register 1525, July 5, 2024
(1)
Scope
. 220 CMR 125.21 shall apply to the grounding of
		transmission line structures and equipment where the grounding is intended to
		be a permanent and effective protective measure.
(2)
Parts to Be
		Grounded
. All metal conduits, cable sheaths, switch operating
		handles and metallic structures shall be effectively grounded.
(3)
Material and
		Continuity
. In all cases the grounding conductor shall be of a
		metal or combination of metals which will not corrode excessively under the
		existing conditions and, if practicable, shall be without joint or splice. If
		joints are necessary, they shall be so made as to not materially increase the
		resistance of the grounding conductor.
(4)
Size and
		Capacity
. The grounding conductor or conductors shall have a
		current-carrying capacity sufficient to insure continuity and continued
		effectiveness of the ground connection under and subsequent to conditions of
		excess current caused by either of the following:
(a) Impulse surge due to direct lightning
		stroke to structure or lightning protection wires.
(b) Power frequency follow current due to
		insulation flashover for the length of time required for the protective devices
		to clear the circuit.
The minimum breaking strength of the grounding conductor shall
		  be 1,000 lb.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.22 - Relations Between Various Classes of Lines

Current through Register 1525, July 5, 2024
(1)
Standardization of
		Levels
. The levels at which different classes of lines are to be
		located should be standardized where practicable, by agreement of the utilities
		concerned.
(2)
Relative
		Levels
. Where transmission conductors cross supply and/or
		communication conductors are carried on the same structure as supply and/or
		communication conductors, the transmission conductors should be carried at the
		higher level.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.23 - Clearances

Current through Register 1525, July 5, 2024
(1)
General
.
(a)
Application
. 220
		CMR 125.23 covers all clearances, including separations involving wires and
		supporting structures for effectively grounded systems.
(b)
Maintenance of
		Clearances
. The clearances required by 220 CMR 125.23 shall be
		maintained at not less than the specified values.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.26 - Line Insulators

Current through Register 1525, July 5, 2024
(1)
Material and Marking
. Insulators used to support
		transmission conductors shall be of porcelain, made by the wet process, or
		other material which can be expected to give equally good results in respect to
		mechanical and electrical performance and durability. Identification of maker,
		year of manufacture, and strength rating should be marked on each unit. Marking
		shall be so applied as not to reduce the electrical or mechanical strength of
		the insulator.
(2)
Electrical Strength of Insulators in Strain Position
.
		Where insulators are used in a strain position, they shall have not less
		electrical strength than the insulators generally used on the line, when under
		the mechanical stresses imposed by the loadings specified in
		220 CMR
		125.24.
(3)
Ratio of Flashover to
		Puncture Voltage
. The dry flashover voltage of insulators shall be
		not more than 75% of their puncture voltage at a frequency of 60
		Hertz.
(4)
Selection of
		Insulators
. In selecting the amount of insulation to be used for
		any nominal voltage between conductors, consideration should be given to the
		following factors:
(a) Power frequency over
		voltages
(b) Lightning
		impulses
(c) Switching
		surges
(d) Weather
		variables
(e)
		Contamination
(f) Effect of
		structure on electrical strength
(g) Maintenance requirements
(h) Operating experience
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.27 - Miscellaneous Requirements

Current through Register 1525, July 5, 2024
(1)
Supporting Structures.
(a)
Warning Signs and
		Marking
.
1. Structures. If poles
		and structures are of any material except wood, they shall be plainly and
		conspicuously marked "Dangerous. Keep Away" in compliance with M.G.L. c. 166,
		§ 34.
All structures supporting wires over streets or buildings or
		  structures on private property shall be plainly marked with the name or
		  initials of the owner of the structure in compliance with M.G.L. c. 166,
		  §§ 31 and 36.
All structures should be marked or numbered so as to facilitate
		  identification by employees authorized to work thereon.
Date of installation of such structures should be recorded by
		  the owner.
2. Bridges.
		Structures attached to bridges for the purpose of supporting conductors shall
		be plainly marked with the name or initials of the utility responsible for the
		attachment and in addition by a warning sign entitled "Dangerous. Keep Away,"
		or its equivalent.
3. Equipment.
		All transmission line switching equipment should be marked or numbered so as to
		facilitate identification by employees authorized to work thereon.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.30 - Underground Transmission Lines Location

Current through Register 1525, July 5, 2024
(1)
General Location
. Underground systems of electric
		conductors should be located so as to be subject to the least practicable
		disturbance. Railway tracks and underground structures, including catch basins,
		gas pipes, etc., should be avoided where practicable.
(2)
Ducts
. The ducts
		between adjacent manholes or other outlets should be laid as straight and
		direct as practicable. A minimum of 24 inches cover should be maintained where
		practicable.
(3)
Manholes
. Manhole openings, where practicable, shall
		be located so as to provide safe and convenient access. At crossings under
		railroads, the manholes, pull boxes, and terminals should, where practicable,
		be located away from the roadbed.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.31 - Construction of Duct and Cable Systems

Current through Register 1525, July 5, 2024
(1)
Material, Size, and Finish of Ducts
. Ducts shall be of
		such material, size, mechanical strength, and finish as to facilitate the
		installation and maintenance of conductors or cables. Ducts shall be freed from
		burrs before laying and shall have clear bores.
(2)
Grading of
		Ducts
. Where it is necessary to drain ducts, the grade of the
		ducts shall be such as to permit proper and adequate drainage.
(3)
Settling
. Ducts
		should be suitably reinforced or be laid on suitable foundations of sufficient
		mechanical strength where necessary to protect them from settling.
(4)
Clearances.
(a)
General
. The
		clearance between duct or cable systems and other underground structures
		paralleling them, shall be as great as practicable. The distances between the
		top covering of the system and the pavement surface, or other surface under
		which the system is constructed, shall be sufficient to protect the system from
		injury by traffic.
(b)
Below Base of Rail
. The top of all duct and cable
		system structures, except as hereinafter specified, shall generally be located
		at a depth of not less than 30 inches in the case of street railways, and not
		less than 42 inches in the case of diesel and electric railroads, below the
		base of rail. Where unusual conditions exist or where proposed construction
		would interfere with existing construction, a greater depth than specified
		above may be required.
Exception
: Where this is
		  impracticable, or for other reasons, this clearance may be reduced by agreement
		  between the parties concerned. In no case, however, shall the top of the
		  conduit protection extend higher than the bottom of the ballast section which
		  is subject to working or cleaning.
(c)
Metallic
		Conduit
. Where metallic pipe is used as a conduit for underground
		cables or conductors, it shall not be laid in contact with water, gas or steam
		metallic pipe systems. Where the clearance is less than 12 inches for gas mains
		or gas pipelines and less than two inches for other metallic structures, the
		metalconduit shall be adequately separated from other metallic pipe systems by
		a barrier of suitable materials, or they shall be electrically bonded together
		at the point of least separation. Where metallic electrical conduit is known to
		be located with in four feet of other buried metallic structures, the owner of
		said structures should be notified relative to mutual protection.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.32 - Construction of Manholes

Current through Register 1525, July 5, 2024
(1)
Minimum Strength
. The design and construction of
		manholes and handholes shall provide sufficient strength to sustain, with a
		suitable margin of safety, the loads which may reasonably be imposed on
		them.
(2)
Dimensions
. Manholes should meet the following
		requirements where practicable:
(a)
Width
. The least horizontal inside dimension should be
		not less than three feet six inches.
(b)
Working Space
. A
		clear working space should be provided. The horizontal dimension should be not
		less than three feet. The vertical dimension should be not less than six feet
		except in manholes where the opening is within one foot on each side of the
		full size of the manhole.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.33 - Location of Cables

Current through Register 1525, July 5, 2024
(1)
Accessibility
. Cables in manholes shall be reasonably
		accessible to workmen and clear working space shall be maintained at all
		times.
(2)
Separation
		Between Conductors.
(a)
Cables of Different Voltages
. Cables shall be arranged
		and supported in ducts and manholes so that those operating at higher voltages
		will be separated as far as practicable from those operating at lower
		voltages.
(b)
Cables of
		Different Systems
. Cables belonging to different systems,
		particularly supply-distribution and communication systems, shall not be
		installed in the same duct.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.34 - Protection of Conductors in Duct Systems and Manholes

Current through Register 1525, July 5, 2024
(1)
Protection Against
		Arcing
. A suitable fire-resistant covering should be placed on
		closely grouped lead-sheathed transmission cables to prevent injury from
		arcing.
(2)
Bonding
. Exposed metallic sheaths shall be bonded at
		suitable intervals with a conductor of suitable size, electrolysis conditions
		permitting.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.35 - Guarding of Live Parts in Manholes

Current through Register 1525, July 5, 2024
(1)
Conductor Joints or Terminals
. Joints of conductors or
		cables systems shall be arranged so that there are no bare ungrounded
		current-carrying metal parts exposed to accidental contact within manholes or
		handholes.
(2)
Apparatus
. Live parts of protective, control or other
		apparatus installed and maintained in manholes should be enclosed in suitable
		grounded cases or in cases having no exposed metallic parts.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.36 - Construction of Risers from Underground

Current through Register 1525, July 5, 2024
(1)
Separation Between Risers of Communication and Supply
		Systems
. The placing of risers for communication systems and
		risers for transmission systems on the same pole should be avoided where
		practicable. Where located on streets or highways, risers should, where
		practicable, be placed on poles so as to be in the safest available location
		from the point of view of traffic damage.
(2)
Mechanical Protection of
		Conductors
. In unguarded areas all transmission cables from
		underground systems which connect to overhead systems shall be protected by a
		covering which gives suitable mechanical protection up to a point 8 feet above
		the ground.
Exception
: Armored cables or cables
		  installed in a grounded metal conduit.
(3)
Grounding of Riser
		Pipes
. Electrolysis conditions permitting, exposed metal riser
		pipes on poles containing transmission conductors shall be grounded unless such
		conductors are covered with a grounded metal sheath or are themselves
		grounded.
(4)
Conductor
		Terminal Construction
. The terminals of underground transmission
		cables connecting to overhead open wire systems shall meet the following
		requirements:
(a)
Protection
		Against Moisture
. Protection shall be provided so that moisture
		will not enter the cable.
(b)
Insulation of Conductors
. Conductors shall be properly
		insulated from the grounded metal sheath. In addition, the conductors of
		multiple-conductor cable shall be properly separated and insulated from each
		other.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 125.00 - Installation And Maintenance Of Electric Transmission Lines › Section 125.37 - Identification of Cables

Current through Register 1525, July 5, 2024
Cables shall be permanently identified by tags or otherwise at
		  each manhole or other permanent opening of the underground system. Where the
		  duct formation on opposite sides of the manhole is the same, the cables, where
		  practicable, should be installed in corresponding ducts.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.30 - Purpose, Scope and Application of 220 CMR 126.00

Current through Register 1525, July 5, 2024
(1)
Purpose of
		220 CMR 126.00
. The purpose of
		220 CMR 126.00 is the
		practical safeguarding of persons from hazards arising from the installation,
		operation and maintenance of underground or buried supply and communications
		lines, and associated equipment. It contains basic provisions considered
		necessary for safety. It is not intended as a design specification or an
		instruction manual. Construction should be made in accordance with accepted
		practice for the given local conditions in all particulars not specified in
		220 CMR 126.00.
(2)
Scope of
		220 CMR 126.00
.
		220 CMR 126.00 covers
		underground supply and underground communications conductors, 50 KV and below
		-- phase to phase, owned and/or operated by systems under the jurisdiction of
		the Department. (This includes such systems owned and/or operated by electric
		companies and municipal electric departments, as defined in M.G.L. c. 164;
		telephone companies, telegraph companies and railroads. It does not include
		CATV systems, or systems owned and operated exclusively by municipal police or
		fire departments.)
(3)
Application of
		220 CMR 126.00.
(a)
New Installations,
		Reconstructions and Extensions
.
		220 CMR 126.00 shall apply
		to all new installations, reconstructions and extension made following October
		3, 2008, except that they may be waived or modified by the Department when
		shown to be impractical. In such cases, equivalent or greater safety shall be
		secured in other ways, including special working methods. Methods of
		construction and installation other than those specified in
		220 CMR 126.00 may be used
		experimentally to obtain information if done where proper supervision is
		administered.
(b)
Existing Installations
.
		220 CMR 126.00 do not apply
		to existing installations except as may be required for safety reasons by the
		Department.
(c)
Waiver
.
1. It will
		sometimes be necessary to modify or waive certain rules in cases of temporary
		installations or installations which are soon to be discarded or
		reconstructed.
2. In cases of
		emergency, the person responsible for the installation may decide as to
		modification or waiver of any rule, but shall promptly notify all parties
		directly concerned. This action shall be submitted to the Department for
		review.
3. Pending the decision of
		the Department; the person responsible for the installation may decide as to
		modification or waiver of any rule.
4. It is not intended that
		220 CMR 126.00 shall
		supersede rules of others having jurisdiction in specific areas.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.31 - General Requirements Applying to Underground Lines

Current through Register 1525, July 5, 2024
(1)
Design and
		Construction
. All electric supply and communication lines and
		equipment shall be of suitable design and construction for the service and
		conditions under which they are to be operated.
(2)
Installation and
		Maintenance.
(a) All electric
		supply and communication lines and equipment shall be installed in a manner
		that will promote the purpose of
		220 CMR 126.00 and shall be
		maintained in such a manner as to preserve the safety of the
		installation.
(b) Persons
		responsible for underground facilities shall be in a position to indicate the
		location of their facilities.
(c)
		Reasonable advance notice should be given to owners or operators of other
		proximate facilities which may be adversely affected by new construction or
		changes in existing facilities.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.32 - Underground Conduit Systems

Current through Register 1525, July 5, 2024
Note
: While it is often the practice
		  to use "duct" and "conduit" interchangeably, "duct," as used in 220 CMR 126.32,
		  is a single enclosed raceway for conductors or cable; "conduit" is a structure
		  containing one or more ducts; and "conduit system" is the combination of
		  conduit, conduits, manholes, handholes, and/or vaults joined to form an
		  integrated whole.
(1)
Location.
(a)
Routing -- General
.
1. Conduit systems should be located so as to
		be subject to the least disturbance 410 practical. Conduit systems extending
		parallel to other subsurface structures should not be located directly over or
		under other subsurface structures., If this is not practical, the rules on
		"Clearances" (see 220 CMR 126.32(1)(g) ) should be followed.
2. Conduit alignment should be such that
		there are no protrusions which would be harmful to the cable.
3. When bends are required, the minimum
		radius shall be sufficiently large to prevent damage to cable being installed
		in the conduit.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.33 - Supply Cable

Current through Register 1525, July 5, 2024
(1)
General.
Recommendation
. Cable should be
		  capable of withstanding tests applied in accordance with an applicable standard
		  issued by a recognized organization such as the Association of Edison
		  Illuminating Companies, the Insulated Power Cable Engineers Association, the
		  National Electrical Manufacturers Association or the American Society for
		  Testing and Materials.
(a) The design
		and construction of conductors, insulation, sheath, jacket and shielding shall
		include consideration of mechanical, thermal, environmental and electrical
		stresses which are expected during installation and operation.
(b) Cable shall be designed and manufactured
		to retain specified dimensions and structural integrity during manufacture,
		reeling, storage, handling, and installation.
(c) Cable shall be designed and constructed
		in such a manner that each component is protected from harmful effects of other
		components.
(d) The conductor,
		insulation, and shielding shall be designed to withstand the effects of the
		expected magnitude and duration of fault current, except in the immediate
		vicinity of the fault.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.34 - Cable in Conduit Systems

Current through Register 1525, July 5, 2024
(1)
General
. On systems operating above 2 KV to ground,
		the design of the conductors or cables installed in non-metallic conduit should
		consider the need for an effectively grounded shield and/or sheath.
(2)
Installation.
(a)
General
.
1. Bending during handling, installation and
		operation shall be controlled to avoid damage to any of the components of the
		supply cable.
2. Pulling tensions
		and side-wall pressures of cable should be limited to avoid damage to the
		supply cable. Manufacturer's recommendations may be used as a guide.
3. Ducts should be cleaned of foreign
		material which could damage the supply cable during pulling
		operations.
4. Cable lubricants
		shall not be detrimental to cable or conduit systems.
5. On slopes or vertical runs,
		consideration-should be given to restraining cables to prevent downhill
		movement.
6. Supply, control, and
		communication cables shall not be installed in the same duct unless the cables
		are maintained or operated by the same utility.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.35 - Direct Buried Cable

Current through Register 1525, July 5, 2024
(1)
General.
(a) Cables
		operating above 600 volts to ground shall have a continuous shield, sheath or
		concentric neutral which is effectively grounded.
(b) Cables of the same circuit operating
		below 600 volts to ground and without an effectively grounded shield or sheath
		shall be placed in close proximity (no intentional separation) to each
		other.
(c) Communications cables
		containing special circuits supplying power solely to communications equipment
		shall comply with the requirements of
		220 CMR 126.34(5)(a)
		 through
		126.34(5)(e).
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.36 - Risers

Current through Register 1525, July 5, 2024
(1)
General
(a) All supply conductors or cables from
		underground systems which connect to overhead systems shall be protected by a
		covering which gives suitable mechanical protection up to a point eight feet
		above the ground.
Exception: Armored cables or cables installed in a grounded
		  metal conduit and risers in fenced-in areas not accessible to the
		  public.
(b) Supply
		conductors or cable should rise vertically from the cable trench with only such
		deviation as necessary to permit a reasonable cable bending radius.
(c) Exposed conductive pipes or guards
		containing supply conductors or cables shall be grounded in accordance with
		220 CMR
		126.31(5).
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.37 - Supply Cable Terminations

Current through Register 1525, July 5, 2024
(1)
General.
(a) Cable
		terminations shall be designed and constructed to meet the requirements of
		220 CMR
		126.33(4).
(b) A cable termination shall be designed to
		prevent moisture access to the cable insulation where such penetration is
		detrimental to the cable.
(c) Where
		clearances between parts at different potential are reduced below those
		adequate for the voltage and Basic Impulse Level (BIL), suitable insulating
		barriers or fully insulated terminals shall be provided to meet the required
		equivalent clearances.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 126.00 - Underground Electric Supply And Communication Lines 50,000 Volts And Below › Section 126.38 - Equipment

Current through Register 1525, July 5, 2024
(1)
General.
(a) Equipment includes:
1. Buses, transformers, switches, etc.,
		installed for the operation of the electric supply system.
2. Repeaters, loading coils, etc., installed
		for the operation of the communication system.
3. Auxiliary equipment such as sump pumps,
		convenience outlets, etc., installed incidental to the presence of the supply
		or communication systems.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 149.00 - Procedures For The Determination Of Violations And For Enforcement Of M.g.l. C. 159a And M.g.l. C. 159b › Section 149.01 - Purpose And Scope

Current through Register 1525, July 5, 2024
(1)
								220 CMR 149.00 establishes
		the procedures for determining the nature and extent of violations of the
		provisions of M.G.L. c. 159A and M.G.L. c. 159B, or any regulation promulgated
		or order issued thereunder. It also sets out the procedures for issuance of a
		notice of probable violation ("NOPV"), a remedial order or a consent order with
		respect to such violations.
(2)
		Every common carrier of passengers or property and commercial motor vehicle
		operator under the jurisdiction of the Department of Public Utilities
		("Department") shall report suspected violations of M.G.L. c. 159A and M.G.L.
		c. 159B to the Department. Any other person may report a suspected violation of
		M.G.L. c. 159A or M.G.L. c. 159B to the Department.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 149.00 - Procedures For The Determination Of Violations And For Enforcement Of M.g.l. C. 159a And M.g.l. C. 159b › Section 149.02 - Notice of Probable Violation: Commencement of Enforcement Proceedings

Current through Register 1525, July 5, 2024
(1) The Department shall, within 30 days
		after a report of a suspected violation, either issue the NOPV or issue a
		statement of reasons for declining to issue the NOPV.
(2) The Department may begin a proceeding by
		issuing a NOPV if the Department has reason to believe that a violation of
		M.G.L. c. 159A, M.G.L. c. 159B, or any regulation promulgated or order issued
		thereunder, has occured or is continuing to occur.
(3) The NOPV shall state the factual basis
		for the allegation of a violation and the proposed remedial action to be taken
		by the person served ("respondent") if the Department findss a violation. The
		respondent has a right
(a) to reply in
		writing to the NOPV within 30 days from the date of the NOPV or
(b) to appear at an informal conference with
		the Department on a designated day which is at least 30 days from the date of
		the NOPV, and the NOPV shall so state.
Code of Massachusetts Regulations › 220 CMR - DEPARTMENT OF PUBLIC UTILITIES › Title 220 CMR 149.00 - Procedures For The Determination Of Violations And For Enforcement Of M.g.l. C. 159a And M.g.l. C. 159b › Section 149.03 - Informal Review

Current through Register 1525, July 5, 2024
(1) An informal
		review shall be conducted by a hearing officer designated by the Department.
		The informal review shall consist of an informal conference, if the respondent
		has chosen this option under
		220
		CMR 149.02, or an analysis of the
		respondent's written reply.
(2) At
		any informal conference, the respondent shall have the right to be represented
		by an attorney or other person. The respondent shall have the right to present
		relevant documents to the hearing officer. The hearing officer shall make
		available to the respondent any evidence in the Department's possession which
		indicates that the respondent may have violated M.G.L. c. 159A, M.G.L. c. 159B,
		or any regulation promulgated or order issued thereunder, and the respondent or
		his representative shall have the opportunity to rebut this evidence. However,
		this informal conference shall not be construed to be an adjudicatory
		proceeding as defined in M.G.L. c. 30A.
(3) The hearing officer shall make a decision
		in writing. If the respondent is not satisfied with the decision, he may
		request an adjudicatory hearing, provided that the respondent makes such a
		request in writing within seven days of the date the decision is issued.
		Failure to request an adjudicatory hearing will be considered an admission of
		the factual allegations and legal conclusions stated in the hearing officer's
		decision, and the respondent shall be held liable to take the remedial action
		proposed in the NOPV through the issuance of a remedial order under
		220 CMR
		149.05.