Itoms Definitions

ITOMS Program Definitions 04/08/23

ITOMS Program Definitions

Contents

1) Definition of Key Terms2) Graphic Definition of Circuit End Concept3) Graphic Definition of Protection Schemes4) Graphic Definition of Route and Circuit Kilometers

1) Definition of Key Terms

Age

Years from the time the equipment, structure, or conductor was first installed or built .

Air Blast Circuit Breaker

A circuit breaker utilizing dry compressed air as an insulating and arc-extinguishing medium.

Auxiliary Equipment

Equipment installed to provide service utilities to substation and switching station site. Examples of auxiliary equipment would include station AC/DC power supplies, central compressed air systems, environmental systems, security systems and emergency power generators.

Average External Contractor Hourly Rate

The average contractor base hourly rate paid to workers. Refer Base Hourly Rate.

Average Right of Way (ROW) Width

The average width of transmission right-of-ways described for each operating voltage. This information is used to generate ROW area validation calculations.

Base Hourly Rate

Base Hourly rate is defined as the gross amount per hour actually paid to employees. It does not include the additional corporate components that a company has to pay to employees such as insurance, health benefits or the like.

For employees that are full time salaried, the base hourly rate should be entered as Salary divided by numbers of hours worked per week (generally 40) divided by 52 weeks a year (includes annual leave period).

For hourly or part time employees the hourly rate is defined as the employee’s negotiated gross hourly rate before the net of taxes or other payroll deductions.

ITOMS Data Collection Packet 1 ©2007 UMS Group Inc.All Rights Reserved


Busbar Protection Scheme

Protection equipment providing protection to station bus bar sections where the circuits have nominal phase-to-phase operating voltages greater than or equal to 100kV. For example: bus bar differential protection equipment, frame leakage differential protection equipment. (Refer Graphic Definition in 3)

Circuit

A discreet electrical element consisting of a system of conductors through which an electric current is intended to flow within the transmission system located between two or more line or station nodes operating at a nominal phase to phase voltage greater than or equal to 100kV.

Circuit Breaker

A mechanical device that has a nominal phase to phase voltage greater than or equal to 100 kV capable of making, carrying, and breaking currents under normal circuit conditions and also making, carrying for a specified time, and breaking currents under specified abnormal conditions. The medium in which circuit interruption is performed may be designated by a prefix, such as, air blast circuit breaker, air circuit breaker, gas circuit breaker, oil circuit breaker, and etc.

Circuit Breaker Operations

Manual, remotely initiated, and protection initiated opening and closing of a circuit breaker.

Circuit End

The termination of a circuit at a transmission substation or switching station. Circuit bays and station terminals are examples of circuit ends. Circuit diagrams of various substation layouts are provided to illustrate how to count the number of circuit ends. (Refer Graphic Definition in Section 2)

Circuit Kilometers

The length in kilometers of an overhead line circuit. Single or multiple circuits may be supported on the same structure. A double circuit line segment would have 2 circuit kilometers per route kilometer. An example of the method for calculating circuit kilometers is provided. (Refer Graphic Definition in Section 4)

Circuit Switcher

A transmission asset designed to carry, make and break normal load current and limited magnitudes of short circuit fault current.

Compensation Equipment

Equipment designed to provide capacitive or reactive power support to the transmission system. This equipment can be directly or indirectly connected to the system, (i.e. may be connected via tertiary winding of power transformers)`



Conductor

Wire, cables, and bus-work that allows a current of electricity to pass continually. Examples of conductor types include aluminum conductor, aluminum-steel conductor, aluminum conductor steel reinforced, copper conductor, aluminum tube, copper tube, etc.

Connected to the System

Equipment that is connected to the transmission system and is either in service or available for immediate service.

Control Center

Energy management control and dispatch center designed to monitor and control the transmission system.

Costs

Total Cost

The total cost of delivering services. Comprises total direct internal labor costs, plus total non-labor costs, plus total contractor invoiced costs,

Does not include corporate overhead allocations.

Total Direct Internal Labor Cost

Wages paid to employees directly.

Does not include employee benefits and corporate overhead allocations.

Total Employee Overtime Cost

Called “Total Company Overtime Cost” in Labor Data Table.

The total amount of direct overtime paid for activities included within the study scope. Overtime costs also include any additional money paid for bonuses, shift premiums, shift allowances, etc.

Total External Contractor Labor Cost

The total amount of labor cost for outside service providers for work not performed by company crews.

Total External Contractor Invoiced Cost

The total amount of invoiced cost for outside service providers including all costs for work not performed by company crews.

Total Internal Support Services Cost



(Labor Data Table calculation field) Total Internal Contractor Invoiced Cost (Called Contract Invoice-Internal Service Providers in Detailed Cost Module).

The total amount of invoiced cost for internal service providers. Examples of internal contractors are service providers within the corporate organization who:

1. Charge actual fees2. Utilize internal charge backs3. Recover costs through overhead cost allocation

Contracted Direct Non-Labor Cost (Labor Data Table calculation field)

Not defined

Percent Of Total Internal Contractor Costs That Were For Labor. (Called Contract Percent of Invoice for Labor- Internal Service Providers in Detailed Cost Module, Question 5 & 6).

The percent of the invoiced costs associated with inside service provided labor only and excluding vehicles, materials, equipment, and overheads. If not provided on invoice, please contact a sampling of contractor companies to derive an appropriate estimate.

Percent Of Total External Contractor Costs That Were For Labor. (Called Contract Percent of Invoice for Labor-External Service Providers in Detailed Cost Module, Question 5 & 6).

The percent of the invoiced costs associated with outside service provided labor only and excluding vehicles, materials, equipment, and overheads. If not provided on invoice, please contact a sampling of contractor companies to derive an appropriate estimate.

Traveling Costs

Costs required providing transportation, meals, lodging and necessary expenses for staff required to travel. Vehicle and Major Equipment Costs (Called Fleet & Major Equipment-Non Labor Spending in Detailed Cost Module).

The direct vehicle and major equipment expenses (not capitalized) associated with company cars, office/storage trailers, vehicles (e.g. pickup trucks, back hoes, etc.), specifically utilized for transmission system operations, maintenance and support services. Also include lease, rent, and operating expenses (such as fuel for vehicles) for the year annualizing if necessary.

Other Costs

The total company costs associated with small equipment, materials, travel, and other non-labor costs associated with transmission system operations, maintenance and support services. Include any money paid for office equipment (not rent or



trailer leasing), shovels, safety clothing and equipment, port-o-johns, test kits, consumables etc.

CT (Current Transformer)

An electrical device used to provide current inputs to the protection, control and metering equipment.

CT / VT (Current / Voltage Transformer )

An electrical device used to provide current and voltage inputs to the protection, control and metering equipment from a single device.

DGA (Dissolved Gas in oil Analysis)

A chemical analysis technique used to detect arcing, electrical discharge, or insulation deterioration in an insulating oil sample.

Digital Relay

Refer Microprocessor Relay.

Digital Relay Protection Scheme

Refer Microprocessor Relay Protection Scheme.

Disconnector

Switches designed to isolate specific sections of the transmission system components manually or electrically operated. Non-load break disconnectors are designed to interrupt charging currents associated with bus bars and connections and double bus bar schemes, with load currents shared by parallel circuits but other than this light duty they operate off load. Rated load break disconnectors are capable of interrupting load currents.

Double Circuit Structure

A transmission structure with two circuits three phase wire conductor sets. Structures with more than two circuits shall be considered as double circuit structures.

Easement/Permission

Authority issued by property owners and granters permitting other to cross and or work on their property.

Economic Life

Economic Life is defined as the duration of the accounting depreciation schedule. In most companies, economic life is generally shorter in duration than the technical life.



Electromechanical Relay

A relay that operates by the physical movement of parts resulting from electromagnetic, electrostatic, or electrothermic forces created by the input quantities.

Electromechanical Relay Protection Scheme

A protection scheme in which the majority of protection relays and/or logic elements are electromechanical relays. Refer Section 3 for graphical examples.

Electronic/Solid-State Relay

A relay that operates by a designed response developed by electronic, magnetic, optical, or other components without mechanical motion. An electronic relay may or may not have an electromechanical trip output.

Electronic/Solid-State Relay Protection Scheme

A protection scheme in which the majority of protection relays are formed from discrete or integrated electronic components and/or logic elements are formed from either discrete or integrated programmable electronic components. Refer Section 3 for graphical examples.

Employee Classification

A category of worker having a specific hourly charge rate, working a particular number of hours per week, and either belonging to or not belonging to a union.

Due to the international nature of the study, we have chosen to provide generic terms for crafts. These crafts can generally be described as follows:

Apprentice – An employee bound to an employer to lean a craft.Transmission Linesperson – Craft employees that are skilled at line work.

Substation Electricians/Craftsperson/Journeymen – Crafts people that are skilled at electrical and/or mechanical substation work. This includes [US terminology] Mechanics or Operator-Mechanics, and [UK and International terminology] Fitters and Senior Authorized Fitters. This classification includes working and non-working foremen.

Substation Technicians – Technicians act in a support role either in the field coordinating craftsmen or conducting laboratory tests. These individuals generally also operate test equipment and perform diagnostic in the field. Substation technicians will generally work on mechanical assets performing work such as TTR, Megger, Doble, Infrared, Contact resistance etc. Generally hold advance qualifications such as a Diploma; or Advanced Certificates as well as a trade qualification.

Supervisors – Also known as group supervisors, site supervisors, field engineers, foremen, works co-coordinators.



Relay Technicians – Technicians act in a support role either in the field coordinating craftsmen or conducting laboratory tests. These individuals generally also operate test equipment and perform diagnostic in the field. Relay technicians will generally work on protection and/or communications assets performing work such as functional testing, acceptance testing, calibration checks, etc. Generally hold advance qualifications such as a Diploma; or Advanced Certificates as well as a trade qualification.

Substation Engineers – Is generally, but not necessarily, a degreed qualified (eg Bachelor of Engineering or Science) individual who has responsibility for the oversight of field crews. This individual would answer specific technical questions about hardware that cannot be addressed by craftsmen or technicians.

External Contractor

Service provider owned and operated by individuals with no corporate affiliation to the transmission business unit.

Fast Growing Vegetation

Any Right-Of-Way vegetation section with 30” (76.2cm) or more a year in average vertical growth.

Fault

A partial or total local failure in the insulation or continuity of a conductor or a physical condition that causes a device, a component, or an element to fail to perform in a required manner.

Fault Outage

A fault outage is an event that causes an item of plant to be unable to perform its required function. The event is recognized by the operation of a protection system in response to a component failure or external cause. Successful autorecloses on transmission lines are not counted as a Fault Outage but as Transient Outages.

Examples include overhead line circuit lockouts, circuit breaker and transformer failures, and protection system failures.

Fault Patrol

A transmission line patrol initiated by a reported line fault condition.

Fire Potential Management

Right-of-Way management activities required to reduce the combustible fuel content of areas adjacent to overhead transmission lines.

Forced Outage

An asset outage that is taken on lines or station equipment required as a result of recognizing a condition that would be expected to develop into a fault. A diagnostic or



inspection activity that uncovers a condition that must be isolated within 24 hours of notification of condition is a forced outage.

Gas Circuit Breaker Dead Tank

A circuit breaker utilizing SF6 gas as an insulating and arc-extinguishing medium with interrupters contained within a metal cladding at earth/ground potential.

Gas Circuit Breaker Live Tank

A circuit breaker utilizing SF6 gas as an insulating and arc extinguishing medium with interrupters porcelain clad and in air at system operating voltage.

Gas Insulated Substation

A transmission system facility enclosed in gas (usually SF6 gas) and where voltage transformation and switching take place (refer Substation definition).

Grounding/Earthing

The discharging and connecting of an isolated section of the system to earth by means of a conducting connection from an electric circuit or unit of equipment to the earth.

Growth Rate

The rate at which vegetation grows in a definite period of time.

Ground Line Treatment

The treatment of wood poles to prevent rot and insect damage below and immediately above the soil surface.

The treatment of steel structures to prevent or correct corrosion damage below and immediately above the soil surface.

Hectares Maintained

The area (in hectares) maintained through mechanical or chemical methods.

Human Error

An unwanted operation of substation equipment, protection equipment or a failure to operate of substation equipment or protection equipment due to actions or omissions of employees or contractors employed by the transmission business. Examples include incorrect selection of relay settings; incorrect application of relay settings; incorrect installation; clumsy practices causing an unwanted operation; or switching errors.

Instrument Transformer

A transformer that is intended to reproduce in its secondary circuit, in a definite and known proportion suitable for utilization in measurements, control, or protective devices



the voltage or current of its primary circuit with its phase relationships substantially preserved.

Insulator

A non-conducting support for an electric conductor both on lines and in substations.

Internal Contractor

An internal service provider with corporate affiliation to the transmission business unit.

Lattice Steel Structure

A transmission structure constructed with individual steel members.

LTC (Load Tap Changer)

A voltage regulating device that is configured as an integral part of a transformer unit to change voltage taps on load.

Mandatory Vacation Hours

Paid time off granted to employees required by government regulation.

Excludes: Non-mandated vacation hours, Rostered and scheduled days off (RDO.SDO). Union negotiated or benefit package holidays, Sick leave

Includes: Government / Public Holidays

Maintenance

The activity required to service or restore all transmission system equipment to an operational state so that they can perform their intended functions.

The process includes: Routine servicing. Reactive fault and/or defect investigation and associated repair.

Maintenance Spares

Material required for maintenance, typically replacement parts that have a recommended life and are exchanged routinely at recommended service intervals (examples: piston rings, valve sets, drive belts, gaskets and seals and replacement contact tips).



Microprocessor Relay

A programmable relay that utilizes memory logic and is microprocessor based.

Microprocessor Relay Protection Scheme

A protection scheme in which the majority of protection relays and/or logic elements are formed from software program components. Refer Section 3 for graphical examples.

Non-Benchmarked Areas

Functional activities not included in the scope of this ITOMS program (e.g. distribution system maintenance, customer service, etc.) Refer to Program Instructions for details of exclusions of each maintenance sub-function.

Non-Union Employee

A worker that does not belong to a bargaining unit.

Number of Employees

The internal number of people working for your company in the study year that are directly involved or in direct support of the activities performed in the ITOMS functions.

Oil Circuit Breaker >20,000 liters

A circuit breaker utilizing oil as an insulating and arc-extinguishing medium with a three-phase total oil volume greater than 20,000 liters

Oil Circuit Breaker <20,000 liters

A circuit breaker utilizing oil as an insulating and arc extinguishing medium with a three- phase total oil volume less than 20,000 liters.

Operational Test

A test that verifies the function of equipment by operation of the equipment by either local or remote operation.

Operating Voltage Level

The nominal phase-phase voltage at which lines and equipment are energized.

Outage/Event

A loss of service and / or interruption of overhead lines, substation equipment, and associated auxiliary equipment.



Overhead Circuit Lockout

A condition where a circuit breaker has opened due to a protection operation and is prevented from undertaking further automatic reclosures due to a sustained fault on the overhead circuit.

Overhead Line Structure

A structure supporting an overhead circuit or multiple circuits.

Owner/Granter

The controlling entity recognized under Common Law for land on which overhead lines are installed or which access across such property is required to reach the overhead line structures.

Planned Maintenance

A scheduled maintenance activity organized and completed to a predetermined scope.

Pole

A structure supporting transmission circuits and assets that is not of lattice construction. The pole materials may consist of concrete, wood, steel, or combination there of.

Population Density

Description of an area in terms of urban and rural designations.

Preventive Maintenance

Activities intended to assure fault free operation and increase reliability of equipment.

Protection Relay

A relay whose function is to detect defective lines or apparatus or other power system conditions of an abnormal nature or dangerous nature and to initiate appropriate control circuit action.

Protection Scheme

An electrical device, or a combination of electrical devices, which form a system of electrical protection for transmission lines and substation equipment. Refer Section 3 for graphical examples. Refer Relay Scheme

Quality Control

Activities including the development of standards, procedures, inspection, and auditing to assure a level of compliance to a predetermined level.



Reactive Maintenance

Maintenance repairs initiated by a component failure or externally caused condition of the system that requires an unscheduled maintenance event.

Reactor

An oil or air core inductor, the primary purpose of which is to introduce electrical reactance into the transmission system.

Reconductored

The activity of conductor replacement.

Refurbishment

Refurbishment is defined as a non-routine, major maintenance activity relating to restoring an existing asset to its original specifications and functional capability. Refurbishment does not involve the total replacement of the asset.

RF (Radio Frequency)

Radio Frequency measurement, a method employed to detect the presence of partial discharge within energized equipment.

Relay

A device that is designed to interpret input conditions in a prescribed manner and after specified conditions are met to respond to cause contact operation.

Relay Scheme

An electrical device, or a combination of electrical devices, which form a system of electrical protection for transmission lines and substation equipment. Refer Section 3 for graphical examples.

Distance Relaying Scheme

A high-speed relay made up of directional and impedance elements and usually used in conjunction with an external timer for line protection. The directional element closes only for faults in the desired tripping direction. The impedance element is set for a specific length of line in the protected zone. Each of the three relays is set for successively greater distances and is coordinated with the shortest distance setting by utilizing the external timer.

Overcurrent (Phase and Ground) Scheme

An overcurrent relay is one that operates at a predetermined current level in a predetermined time.

Phase Comparison Protection Scheme

Phase comparison protection systems compare the current directions at each end of a protected zone. If the current at both circuit ends are out of phase (indicating



an internal fault), tripping occurs. If the current at both circuit ends are in phase, blocking occurs.

Reclosing Scheme

Reclosing relaying is used to automatically close a circuit breaker after a protective relay trip function in order to attempt to place the line back into service at high speed if the fault was momentary in nature.

Local Backup Scheme

A scheme to operate the next level of isolation to clear the fault following the failure of a circuit breaker or primary protection relay which was intended to clear the fault, eg generally known as circuit breaker fail protection.

Sudden Pressure Scheme

A pressure device operating a tripping function. Usually used for transformer and LTC protection applications, eg. Qualitrol device.

Differential Scheme

Differential protective systems compare the current and phase angle at each end of the protected zone. If the sum of the currents cancel (i.e.: current in is equal to current out) blocking occurs. If the sum of the currents does not cancel (indicating an internal fault), then tripping occurs. Generally used for protecting transformers, busbars, and transmission lines.

Transformer Gas/Oil Surge Scheme

Used for transformer and LTC gas or oil surge protection tripping, eg. Buchholz device.

Transformer Over-temperature Scheme

Used for transformer/reactor over temperature protection tripping, eg. winding temperature trip devices.

Under/Over Voltage Schemes

A protection scheme that is used to automatically disconnect load if voltage levels are not maintained with in limits

Under/Over Frequency Schemes

A protection scheme that is used to automatically disconnect load / generation if frequency levels are not maintained with in limits

Replacement

The activity of exchanging an asset with a like asset, or modern equivalent, to meet the same design intent and function.

ROW (Right-Of–Way)

The area of land defined to erect and provide access to the transmission line.Refer Easement/Permission and Average Right-Of-Way Width.



Route Kilometers

The length in kilometers of an overhead line route. (For graphical example refer Section 4).

Route Kilometers Maintained

Route kilometers receiving active vegetation management treatment. SCADA (Supervisory Control And Data Acquisition)

Systems which provide remote indication and/or control of transmission system assets.

Schedule

Determining the timing of the activities with relation to operation, inspection, testing and maintenance of assets.

Setting Error

Incorrect setting of an adjustable device.

SF6

Sulphurhexafluoride insulating gas.

Single Circuit Structure

A transmission structure supporting a single three phase circuit.

Slow Growing Vegetation

Any Right-Of-Way vegetation section with less than 30” (76.2cm) a year in average vertical growth.

Solid-State Relay

Refer Electronic/Solid-State Relay.

Solid-State Relay Protection Scheme

Refer Electronic/Solid-State Relay Protection Scheme.

Strategic Spares

A spare for which special authority is required for it to be released. It is a complete unit or item specifically held to replace a unit or item which either fails, or is damaged during service, such that replacement is required.

Examples may include: Bushings



Collapsible towers for temporary use Transformers, circuit breakers and protection schemes

If transformers are stored in a particular station for deployment in case of a contingency anywhere on the system and could equally be stored in a warehouse or depot, they are now considered to be spares for the purposes of the study.

If transformers are commissioned at a particular station for a contingency event, even though they may not be energized or connected, these assets do not count as spares.

If circuit breakers are installed in a particular substation to add redundancy for maintenance or outage reasons, they do not count as spares.

Structure

Any system of elements including foundations, poles, lattice work which as a unit support conductors, insulation, or other transmission assets. Multi-pole arrangements shall be counted as one structure. Additionally, structures with multiple voltage classes on the structure should be classified and counted by the highest voltage on the structure.

Structure Type

Is the predominant material type used in the construction of the structure.

Substation

A location where transmission voltage transformation and switching takes place.

Switching Error

A human error during the performance of a switching operation. The error may or may not result in an outage.

Examples of a switching error would include:

Operating the incorrect disconnect switch or breaker Incorrect switching instructions to achieve the desired outcome Inappropriate application or removal of earthing devices

System Hectares

The total Right-Of-Way area represented in hectares.

Switching Operations

The activity or groups of activities by personnel at a specific location to either isolate an individual asset or group of assets from service or to restore an individual asset or group of assets to service. Removal of an asset from service counts as one switching operation, restoring an asset to service counts as a second operation. This work is to address all field activities for maintenance, replacement, refurbishment, and emergency restoration.



Examples of switching operations would include:

Removal from service and preparation for maintenance of a circuit end would count as one switching operation.

Return to service of a circuit end would count as one switching operation. Removal from service and preparation for maintenance of a two terminal

overhead line, would count as two switching operations since personnel would be dispatched to two locations.

Removal from service and preparation for maintenance of a three terminal overhead line, would count as three switching operations since personnel would be dispatched to three locations.

Return of a two terminal overhead line to service would count as two switching operations since personnel would be dispatched to two locations.

Return of a three terminal overhead line to service would count as three switching operations since personnel would be dispatched to three locations.

Switching on the system for operational requirements is a special consideration. A switching operation in this case may include several operations of equipment at a given location but carried out consecutively and therefore will be counted as one switching operation.

Switching Station

A location where transmission switching takes place but does not have voltage transformation.

System Contingency

Zero contingency non-firm (N-0) means that there are segments on the bulk interconnected grid that if removed from service will force the system to load to levels in excess of maximum continuous levels, drop load, or drop voltage levels below acceptable limits.

Single contingency firm (N-1) means that any segment on the bulk interconnected transmission system can be removed from service without losing load to end use customers, or forcing any other segment in the bulk transmission grid to load to levels that exceed the continuous current rating of the segment or component or drop the voltage below minimum acceptable levels as defined by the applicable standards within the region.

Double contingency firm (N-2) means that any two segments on the bulk interconnected transmission grid can be removed from service and maintain current & voltage limits as defined above.

Test

A procedure to determine the performance characteristics of an item of equipment while functioning under controlled conditions.

Technical Life



Is the expected useful life of the asset measured in years.

Thermovision

Inspection of assets using infrared imaging to locate points of excess temperature.

Three (3)-Phase Equivalent Transformer

A group of 3 single tank 1-phase transformers operated as a 3-phase transformer unit.

Three (3)-Phase Transformer

A single tank unit producing a 3-phase voltage conversion output.

Transformer

Equipment, which converts voltage level through magnetically coupling including autotransformers.

Transformer Protection Scheme

Refer to Relay Scheme.

Transient Fault Operation

A fault operation where the system is automatically tripped and returned to service within one minute.If multiple auto-reclosing attempts were made for the fault and the final one results in the equipment being returned to service within oneminute, the operations are recorded as a single transient operation.

Transmission Assets

Overhead lines and substation primary, secondary, and auxiliary equipment comprising the electrical transmission system.

Transmission Line Protection Scheme

Refer to Relay Scheme.

Unavailable/Unavailability

Lines or Equipment electrically disconnected and/or out of service to the transmission system due to planned, forced and fault outage conditions.

Union Employee

A worker that is a member of a bargaining unit.

Unplanned Maintenance



Maintenance undertaken without an established time schedule. Typically based on asset condition and ad hoc in nature.

Vegetation Exposure

Areas of overhead line routes where vegetation can grow and requires remediation.

Vegetation Management Cycle

The time cycle in years for vegetation control.

Vegetation-Related

Caused or effected by vegetation, both on and outside the Right-of-Way.

VT (Voltage Transformer)

An electrical device used to provide voltage inputs to the protection, control and metering equipment. These devices can be inductive (MVT) or capacitor coupled (CVT) in nature.

Working Hours per Week

The average scheduled work periods for employees per week. Example: Five by 8-hour days equaling 40 hours per week.

Working Hours per Year

The average scheduled work periods for employees per year. Example: Fifty-two by 40-hour weeks equaling a 2080-hour year, with three 40-hour weeks of government mandated, paid holidays and time off, equaling a 1960-hour year.



Document Control Form

Filename: ITOMS 2007 Definitions.doc

UMS Edit Number

Date Change Person Editing

1 1/4/2007 Incorporated changes/edits from Steering Group via Bruce McBride

UMS (JL)


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