ELECTRICAL SAFETY

SAFE OPERATING PROCEDURE

Document Ref. No: HFC/HSE/ES/OP/11, Rev: 03

HILLS AND FORT CONSTRUCTION LLC

P.O. BOX: 86394, DUBAI, UAE
TEL: 04-2579912 FAX: 04- 2579913
www.hilsandfortconstruction.com
 PREPARED BY

Date: Date:

Revision History

Rev Date Description Amended section

00 18/01/2016

01 16/12/2018 Annual Update

02 28/05/2020 Annual Update updated as per ISO 45001-2018
03 05/06/2021 Annual Update

Ref. No: HFC/HSE/ES/OP/11, Rev: 03 date: 05/06/2021 Page:1

1. PURPOSE
The purpose of this procedure is to establish the requirements to identify, assess, and implement
control measures to minimize and control the risks associated with electricity to an acceptable level
in order to prevent injury, illness, and disease for all HFC employees, subcontractors and public.
2. SCOPE
This procedure is applicable to all HFC sites
3. DEFINITIONS
Principal Contractor: the main contractor overseeing and responsible for “construction work”
undertaken on the construction site within the building and construction sector.
Owner: the legal owner of a building or property in which an electrical installation is installed and
connected to a supply of electricity.
Customer: the end-user of the supply of electricity and may be private or commercial.
Danger: risk of injury, or damage to plant, equipment, materials, or the environment.
Individual Licenses: a written demonstration of attained competency, approved by the relevant
employer and issued as a demonstration of attained competency in accordance with the employer’s
safety rules.
Injury: death or personal injury from electric shock, electric burn, electrical explosion or arching, or
from fire or explosion initiated by electrical energy, where any such death or injury associated with
the generation, provision, transmission, transformation, rectification, conversion, conduction,
distribution, control, storage, measurement or use of electrical energy.
System: electrical system in which all the electrical equipment is, or may be, electrically connected to
a common source of electrical energy and includes such source on such equipment.
Safety System: a set of documented management and operational processes and procedures which
are based on the identified hazards, and are designed, as far as reasonably practicable, to prevent
danger.
Work in the Vicinity: any work activity which may impact us be impacted by an Electrical System,
with such works are being conducted in close proximity to such a system.

4. Roles and Responsibility

Project Manager/ Construction manager/ Engineer:
Only persons having appropriate competency shall be authorized and individually licensed to
undertake work on or in the vicinity of electrical systems.
Risk assessments shall be conducted to identify old hazards that may be present from working on or
in the vicinity of electrical systems.
All electrical works shall be performed by qualified persons who shall be provided with adequate
and necessary personal protective equipment.
Prior to start any work ensure to get authorities NOC and strictly follow the NOC conditions.
Safety systems of work and Safety Rules shall be developed and implemented for all work activities
involving electrical systems, such that identified risks are reduced to acceptable levels.
Emergency response plans shall be developed implemented on regularly tested which addressed
specific risks involving electrical works and the control measures required to manage these risks.
HSE Engineer/Officer
Ensure to check the electrical permit work system.
Ensure to follow the authorities NOC requirements

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 Employees:
Employees shall not work on or in the vicinity of electrical systems unless they have the required
competency and authorized and individually licensed by HFC to do so.
Employees shall follow this procedure as far as reasonably practicable and report all instances of
actual and potential non-compliance with any aspect of this procedure.
5. Procedure
5.1. Electrical Hazards: The main hazards in the electrical work as follow.
Electrical Shock
Burns
Arc-Blasts
Fires and Explosions.
falls.
5.2. Planning and Assessment:
The risk arising from electrical circuits and systems shall be assessed using risk management
practice as required by Hazard Identification and Assessment procedure.
A Safe System of Work and Safety Rules shall be developed for all work on or in the vicinity of
electrical systems. This shall be based on the result of documented risk assessment of or work
activities.
Effective procedures and control measures shall be documented and implemented in order to
manage the risks associated with working on or in the vicinity of electrical systems.
Control measures identified shall include provisions for personal protective equipment, and the use
of ‘electrical danger’ warning signs as and when required.
Electrical Systems, Work Activities and Protective Equipment:
All electrical systems and circuits shall be at all the time be design, constructed, operated,
inspected, tested and maintain in accordance with acceptable local and international standards, as
to prevent, so far as is reasonably practicable, danger.
Every work activity, including operations, use and maintenance of an electrical system and work
near an electrical system, should be carried out in such a manner as not to give rise, so far as is
reasonably practicable, to danger.
Specific precautions shall be implemented for electrical work in known or potentially explosive
environments. These shall include as a minimum:
Only electrical and nine electrical equipment’s and installations design for such service are used.
Equipment is specifically identified, assessed, and marked as suitable in accordance with the
international standards,
Equipment is maintained in accordance with international standards to ensure its continued
suitability and such vacation is maintained.
Gas monitors shall be deployed before and you do not work to detect the presence of potentially
explosive atmosphere; and
Appropriate emergency response provisions identified and implemented throughout the duration
of the work.
And equipment provided under this procedure for the purpose of protecting persons of work on or
near electrical equipment shall be appropriate for the use for which it’s provided, be maintained in
a condition appropriate for that use, and be appropriately used.
No electrical equipment shall be put into use when its strength and capacity may be exceeded in
such a way as may give rise to danger.

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Means shall be provided to disconnect all conductors in a building or other structure from the
service-entrance conductors. The service disconnecting means shall clearly indicate whether it is in
the open or closed position and shall be installed at readily accessible location nearest to the point
of entrance of the service-entrance conductors:
Conductors and equipment shall be protected from over-current in accordance with their ability to
safely conduct current.
Over-current devices (circuit breakers or fuses) shall be available and readily accessible. These over-
current devices shall not be located where they would be exposed to physical damage or in the
vicinity of easily ignitable material.
Each protective device shall be capable of detecting and interrupting all values of current that can
occur at its location in excess of its trip setting or melting point; and
Each service, feeder, and branch circuit, but its disconnecting means or over current devices, shall
be legibly market to indicate its purpose, unless located and never arranged so the purpose is
evident.
Each service, feeder, and branch circuit, at its disconnecting means an over-current device, shall be
legibly marked to indicate its purpose.
Motors, equipment, and appliances shall have a disconnecting means installed. The service
disconnecting means shall plainly indicate whether it is in the open or closed position.
Each disconnecting means shall be legibly marked to indicate its purpose unless located in a range,
so the purpose is evident.
This requirement shall not apply to equipment connected by means of a flexible cord or plug.
Each service, feeder, and branch circuit, at its disconnecting means or over-current device, shall be
legibly marked to indicate its purpose unless located and arranged so the purpose is evident.
Emergency power generators shall be equipped with a transfer switch or other appropriate control
measures to ensure that the power is not back fed to the utility supplying power to the circuit when
the generator is in operation.
Each cord set, attachment cup, plug, and receptacle of cord sets, and any equipment connected by
cord or plug, except cord sets and receptacles which are fixed and not exposed to damage, shall be
regularly inspected for external defects, such as deformed or missing pins, damage to the plug and
insulation, and for indications of reasonably foreseeable internal damage. Equipment found
damaged or defective shall not be used until repaired.
In session of bare conductors into receptacles is prohibited.
Safety of equipment shall be determined using the following considerations:
Expose conductors, joints, connections, and other electrical equipment, located so as to present a
potential hazard to employees or others, shall be insulated.
No conductors or equipment shall be located in damp or wet locations; where exposed to gases,
fumes, vapors, liquid, or other agents that have deteriorating effect on the conductor or
equipment; or where exposed to excessive temperatures; unless such construction or ethnicity
protected to prevent, so far as is reasonably practicable, danger arising from such exposure;
And used openings in boxes, raceways, cabinets, equipment cases, or housings shall be effectively
close to afford protection substantially equivalent to the wall of the equipment.
Internal parts of electrical equipment, including busbars, wiring terminals, insulators, and other
services, may not be damaged or contaminated by foreign materials such as paint, plaster,
cleaners, abrasives, or corrosive residues.

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 There shall be no damaged parts that may be adversely affect safe operations or mechanical
strength of the equipment, such as parts that are broken, bent, or deteriorated by corrosion,
chemical action, or overheating.
Conductors shall be spliced or joined with the splicing device identified for the use or by brazing
welding or soldering with a fusible metal or alloy. Soldered splices shall first be spliced or joined to
be mechanically and electrically secure without solder and then soldered. All splices and joints and
the free ends of the conductors shall be covered with an installation equivalent to that of the
conductor or with an insulating device identified for the purpose; and
Parts of electrical equipment that in ordinary operation and produce arcs, sparks, flames, or
molten metal shall be enclosed or separated and isolated from all combustible material.
All fuses and circuit breakers in the electrical panel shall be clearly marked and labeled in lieu of
their connected apparatuses as to facilitate recognizing each equipment’s fuses or circuit breakers
Installation, Protection and Placing of Conductors:
All conductors in a system which may give rise to danger shall either:
Be suitably covered with insulating material and as necessary protected so as to prevent, so far as is
reasonably practicable, danger; or
Have such precautions taken in respect of them (including, where appropriate, their being suitably
placed) as will prevent, so far as is reasonably practicable, danger.
Earthing or other Appropriate Precautions:
Precautions shall be taken, either by earthing or by other appropriate means, to prevent danger
arising when any conductor (other than a circuit conductor) which may reasonably foreseeable
become charged as a result of either the use of a system, or a fault in the system, becomes so
charged; and, for the purpose of ensuring compliance with this procedure, the conductor shall be
regarded as earthed when it is connected to the general mass of earth by conductors of appropriate
strength and current-carrying capability to discharge electrical energy to earth.
All non-current carrying metal parts of portable equipment and fixed equipment, including they
associated housings, enclosures, and supporting structures, shall be earthed.
The circuit wiring should include or provide and equipment earthing conductor to which the
earthing contacts of the receptacle or cord connector shall be connected.
The earthing contacts of the receptacles and cord connectors shall be grounded by connection to
the equipment earthing conductor of the circuit supplying the receptacle or cord connectors.
The conductor used as an earthing conductor shall be identifiable indistinguishable from all other
conductors.
Nor earthing conductor may be attached to any terminal or lead so as to reverse designated
polarity.
Earthing conductors shall be inspected regularly.
Where used in construction (or activities with similar hazards, including certain maintenance,
remodeling or repaired activities where there is a likelihood of damage to portable cords, wet
locations or equipment and wiring that is frequently re-arranged) all receptacle outlets that are not
part of the permanent wiring of the building or structure and that adding used by personnel shall
have earth - fault circuit - protection via residual current devices (RCD) and power supply in 110 V.
Integrity of Reference Conductors:
 If a circuit conductor is connected to earth or to any other reference point, nothing which might
reasonably be expected to give rise to danger by breaking the electrical continuity or introducing

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 high impedance shall be placed in that conductor unless appropriate control measures are
implemented to prevent that danger
Integrity of Reference Conductors
 Where necessary to prevent danger, every joint and connection in an electrical system shall be
mechanically and electrically appropriate for use.
Means for Protecting from excess Current
Means for protecting from excess current shall be determined through risk assessment, shall be
appropriately located, and provided for protecting from excess of current in every part of an
electrical system as may be necessary to prevent danger.
Means for Cutting-off the Supply for Isolation
Live parts to which an employee may be exposed shall be de-energized before the employee works
on or near them, unless it can be demonstrated that de-energizing introduces additional or
increased hazard or is it feasible due to equipment design or operational limitations.
Where necessary to prevent danger, appropriate control measures (including, methods of
identifying circuits) shall be available for.
• Cutting off supply of electrical energy to any electrical equipment.
• The isolation of any electrical equipment; and
• The providing of electrical equipment as isolated prior to commencement of work.
“isolation” means the disconnection and separation of electrical equipment from every source of
electrical energy is such a way that this is connection and separation is secure.
If the exposed live parts not de-energized (e.g. for reasons of increased or additional hazards or
infeasibility), appropriate control measures shall be used to protect employees who may be
exposed to the electrical hazards involved.
As a minimum, approval for working on live equipment shall include documented authorizations
obtained from a competent authority and endorsed by a senior management. Such deviations shall
be supported by appropriate risk assessment.
Precautions to be taken shall comply with the requirement of Lock-out Tag-out procedure and
Permit to Work procedure.
Precautions for work on equipment made dead:
Appropriate precautions shall be taken to prevent electrical equipment, which has been made dead
in order to prevent danger when work is carried out on or near that equipment, from becoming
electrically charged due to network if danger may thereby arise.
Precautions to be taken shall comply with the requirement of Lock-out Tag-out procedure and
Permit to Work procedure.
Walk in Space, Access, and Lighting
Appropriate work in space, means of access, and appropriate like and shall be a provided to all
electrical equipment on which or near which work is being done in circumstances which may give
rise to danger.
Appropriate axis and work in space shall be provided and maintained about all electrical equipment
to permit the ready and safe operations and maintenance of such equipment. Working space
required by the suspended may not be used for storage.
The depths of the work in space in the direction of access to live parts shall be appropriate to avoid
danger to personnel working on adjacent equipment.
Illuminations shall be provided for all work in spaces about service equipment, switchboards, panel
boards, and motor control centers installed indoors.

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Except as elsewhere required or permitted by this is standard live parts and electrical equipment
operating at 50 V or more shall be guarded against accidental contact by use of approved cabinets
or other forms of approved enclosures or by other approved and appropriate means of separation.
Enhanced tools and other guarded locations containing exposed live parts shall be marked with
conspicuous warning signs forbidding unqualified persons to enter.
Enhanced the rules and other guarded locations containing exposed live parts shall be secured from
unauthorized entry at all times unless they are under the observation of a competent person.
Temporary Electricity Supplies
All temporary electrical supplies to be in 110 V this shall be extended to all electrical tools and
equipment to be used, except equipment which requires more voltage (e.g. welding machines, etc.)
Maintenance, Inspection and Testing
All owners of electrical system shall ensure that appropriate inspection, maintenance, and testing
arrangements are in place for all systems. This shall be demonstrated through the development of a
register(s) of all physical assets which is required to be maintained in a serious of maintenance,
inspection and test activities based on documented risk assessment.
Inspection, testing, and maintenance of programs shall be documented, and consider:
• Risk levels related to the equipment in question;
• equipment criticality (safety and reliability);
• previous failure modes, bath experience and maintenance history;
• manufacturer’s recommendations, where available;
• regulated requirements;
• insurance requirements;
• method statements and procedures for undertaking the work; and
• frequency
Planning on the scheduling system shall be maintained for all maintenance, inspection and testing
activities. Results shall be recorded and trended for use in continuous improvement of overall
program.
Overdue, postponed and canceled activities shall be supported by a document risk assessment and
where this assessment reveals the requirement for additional control measures, these shall be
implemented and verified before work re-commences.
The ongoing status of overdue, postponed, or canceled work shall be regularly monitored and
reported to management, as a means of monitoring non-compliance with the established program.
Maintenance, inspection, and testing of all private (customers) electrical systems shall be
undertaken only by licensed contractors
Maintenance, inspection, and testing of all temporary systems shall be conducted in accordance
with–– Electrical Safety on Construction Sites and–– Temporary Electrical Systems.
The effectiveness of the maintenance, inspection and testing provisions shall be periodically
reviewed to determine ongoing asset performance/condition and maintenance effectiveness
Mobile electrical lamps shall be provided with electrical cables capable of withstanding the severest
operating conditions to which they may be exposed. Electrical lamps shall not be mounted by its
wires
Work ON or Near Live Conductors
No person shall be engaged in any work activity on or so near any life conducted (other than one
suitably covered with insulating material so as to prevent danger) unless:
• It is not reasonably practicable in all the circumstances for it to be dead.

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 • It is reasonably practicable in all the circumstances for the employee to be at work on or near it
while it is live; and
• Appropriate control measures (including where necessary the provisions of appropriate protective
equipment) are taken to prevent injury.
No activities shall carry out near or over the live electricity, cable/line without authorities NOC.

Personal Protective Equipment (PPE) during Working with Electricity

All persons working with electrical equipment or installations in construction sites shall wear the
necessary suitable personal protective equipment to protect them from electrical shock or burns.
PPE shall be selected by a qualified person in accordance with the nature of the assigned work
Non-conductive helmets shall be used, and aluminum helmets shall not be used while working near
electricity.
Eye and face protection shall be used when working in electricity where flying sparks or electrical
arcs may occur.
Long boots made of non-conductive material shall be used.
 All hand tools used during working in electrical apparatuses shall be insulated.
Power-operated hand tools shall be grounded or of the double insulated type equipment.
5. Training and Competency
No person shall be engaged in any work activity on or in the vicinity of electrical system unless such
person has competency gained from training, technical knowledge and experience of the

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 precautions to be taken against the risk of death or personal injury and is under such degree of
supervision as may be appropriate having regard to the nature of the work.
Competency assurance process shall be implemented for all staff working on or in the vicinity of
electrical system, and that the required competency levels are identified by documented Training
Need Analysis.
Training for the employees shall be competency-based and include:
Hazards and risks associated with electrical systems and tasks;
Information on safe systems of work identified in the risk assessment.
Specific control measures to be followed by those involved working with any electrical circuit or
system.
Specific control measures to be followed for the circuit or system to be worked on; and
Reporting procedure in the event of incident involving electrical systems.
A record of required training and attained competency with respect to electrical safety for all persons
working on or in the vicinity of electrical system shall be maintained.
Individual electrical safety competency levels shall be verified regularly, and ongoing competency
shall be assessed. Where necessary, additional training and every assessment shall be provided
individual licenses shall be issued as a devastation of attained competency in accordance with HFC’s
Safety rules.

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