Occupational Health and Safety Code

The Occupational Health and Safety Code provides specific technical health and safety rules and requirements for Alberta workplaces.

Alberta Regulation 191/2021

Part 40 Utility Workers — Electrical

Contents

 

Application

 

797

If a requirement of this Part conflicts with a requirement elsewhere in this Code, the requirement of this Part prevails.

 

Application

 

798

If a term is defined in both this Code and the Alberta Electrical and Communication Utility Code, published by the Safety Codes Council, Second Edition, 2002, the definition appearing in the Alberta Electrical and Communication Utility Code prevails.

 

Protective devices or equipment

 

799(1)

An employer must ensure that a protective device and protective equipment required by this Part meets the requirements of the following applicable standards:

(a) CAN/ULC‑60832‑99, Insulating Poles (Insulating Sticks) and Universal Tool Attachments (Fittings) for Live Workings;

(b) CAN/ULC‑D60855‑00, Live Working — Insulating Foam Filled Tubes and Solid Rods for Live Working;

(c) CAN/ULC‑60895‑04, Live Working — Conductive Clothing for Use at Nominal Voltage Up to 800 kV A.C. and +/ 600 kV D.C.;

(d) CAN/ULC‑60900‑99, Hand Tools for Live Working up to 1000 V a.c. and 1500 V d.c.;

(e) CAN/ULC‑60903‑04, Live Working — Gloves of Insulating Materials;

(f) CAN/ULC‑D60984‑00, Sleeves of Insulating Material for Live Working;

(g) CAN/ULC‑D61112‑01, Blankets of Insulating Material for Electrical Purposes;

(h) CAN/ULC‑D61229‑00, Rigid Protective Covers for Live Working on a.c. Installations;

(i) CAN/ULC‑61236‑99, Saddles, Pole Clamps (Stick Clamps) and Accessories for Live Working;

(j) CAN/CSA‑C225‑00 (R2005), Vehicle Mounted Aerial Devices.

799(2)

Subsection (1) applies only to new protective devices and protective equipment put into service as of the effective date of this Code.

799(3)

A laboratory that performs electrical insulating materials testing to the standards listed in subsection (1) must meet the requirements of ASTM Standard D2865 06, Standard Practice for Calibration of Standards and Equipment for Electrical Insulating Materials Testing.

 

Safe work practices for electric utilities and rural electrification associations

 

800(1)

An electric utility and a rural electrification association must ensure that all work performed by utility employees is in accordance with the requirements of section 4 of the Alberta Electrical and Communication Utility Code, published by the Safety Codes Council, Second Edition, 2002.

800(2)

Despite subsection (1), rules 4 040(1)(a) and (b), 4 044(a), 4 048, 4 126, 4 160, 4 162, 4 164 and 4 176 of the Alberta Electrical and Communication Utility Code do not apply.

 

Safe work practices for industrial power producers

 

801

An industrial power producer must

(a) complete a written assessment of hazards associated with the production of electrical energy,

(b) implement written safe work procedures that are made available to utility employees, and

(c) ensure all work performed by utility employees is in accordance with the safe work procedures required by subsection (b).

 

Coordinated work

 

802

If utility employees

(a) perform work on or near a power system, and

(b) their work activities may affect or be affected by a utility employee of another electric utility, industrial power producer or rural electrification association,

the involved electric utilities, industrial power producers or rural electrification associations must jointly develop and follow one agreed upon set of safe work procedures for isolating electrical equipment and lines or blocking reclosing devices.

 

Communication lines, cables

 

803

A utility employee stringing or removing communication lines or cables near any electric utility facility must ensure that

(a) the limit of approach distances required by Rule 4 130 of the Alberta Electrical and Communication Utility Code between the communication lines or cables and energized equipment or lines are met,

(b) the communication lines or cables are prevented from contacting overhead electrical lines,

(c) the work is done under the control of the operator of the electric utility system, and

(d) the work method is acceptable to the operator of the electric utility system.

 

Work on energized electrical equipment or lines (above 750 volts)

 

804(1)

If work is performed on energized electrical equipment or lines, an employer must ensure that

(a) a minimum of 2 qualified utility employees are used to perform the work and an additional utility employee is at ground level,

(b) aerial devices are equipped with both upper and lower controls, and

(c) if an aerial device is used to perform the work, either an additional utility employee qualified to operate the lower controls is present at the work site at ground level or the utility employee already at the work site is qualified to operate the lower controls.

804(2)

Despite subsection (1), subsection (1)(a) and (1)(c) do not apply if

(a) a professional engineer certifies that an alternative live line work procedure provides adequate utility employee protection,

(b) the live line work on the electrical equipment or lines is performed by one qualified utility employee, and

(c) a 2nd qualified utility employee is present at the work site at ground level.

804(3)

Subsections (1) and (2) do not apply to

(a) switching work,

(b) fuse replacement work,

(c) phasing work,

(d) measuring clearances with live line tools,

(e) power quality measurements with live line tools, and

(f) emergency situations in which, in order to protect life or property, a qualified utility employee performs work to eliminate the electrical hazards.