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

Schedule 6 Dimensions of Scaffold Members

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Table 1 Light duty double pole scaffolds less than 6 metres in height

Table 2 Light duty double pole scaffolds 6 metres or more in height

Table 3 Heavy duty double pole scaffolds less than 6 metres in height

Table 4 Heavy duty double pole scaffolds 6 metres or more in height

Table 5 Half‒horse scaffolds less than 3 metres in height

Table 6 Half‒horse scaffolds 3 metres to 5 metres in height

Table 7 Single‒pole scaffolds less than 6 metres in height

Table 8 Single‒pole scaffolds 6 metres to 9 metres in height

Table 1
Light duty double pole scaffolds less than 6 metres in height

[ See section 333(2) ]

Member	Dimensions
Uprights	38 millimetres by 89 millimetres
Ledgers	2 — 21 millimetres by 140 millimetres or 1 — 21 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Braces	21 millimetres by 140 millimetres

Table 2
Light duty double pole scaffolds 6 metres or more in height

[ See section 333(2) ]

Member	Dimensions
Uprights	89 millimetres by 89 millimetres
Ledgers	2 — 21 millimetres by 140 millimetres or 1 — 21 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Braces	21 millimetres by 140 millimetres

Table 3
Heavy duty double pole scaffolds less than 6 metres in height

[ See section 333(2) ]

Member	Dimensions
Uprights	38 millimetres by 140 millimetres
Ledgers	2 — 21 millimetres by 140 millimetres or 1 — 38 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Braces	21 millimetres by 140 millimetres

Table 4
Heavy duty double pole scaffolds 6 metres or more in height

[ See section 333(2) ]

Member	Dimensions
Uprights	89 millimetres by 140 millimetres
Ledgers	2 — 21 millimetres by 140 millimetres or 1 — 38 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Braces	21 millimetres by 140 millimetres

Table 5
Half‒horse scaffolds less than 3 metres in height

Member	Dimensions
Ledgers	38 millimetres by 140 millimetres
Legs	38 millimetres by 89 millimetres
Braces	21 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Leg spread	1 metre

Table 6
Half‒horse scaffolds 3 metres to 5 metres in height

Member	Dimensions
Ledgers	38 millimetres by 140 millimetres
Legs	38 millimetres by 140 millimetres
Braces	21 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Leg spread	1.5 metres

Table 7
Single‒pole scaffolds less than 6 metres in height

Member	Dimensions
Uprights	38 millimetres by 89 millimetres
Ledgers	2 — 21 millimetres by 140 millimetres or 1 — 21 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Braces	21 millimetres by 140 millimetres
Wall scabs	38 millimetres by 140 millimetres

Table 8
Single‒pole scaffolds 6 metres to 9 metres in height

Member	Dimensions
Uprights	89 millimetres by 89 millimetres
Ledgers	2 — 21 millimetres by 140 millimetres or 1 — 21 millimetres by 184 millimetres
Ribbons	21 millimetres by 140 millimetres
Braces	21 millimetres by 140 millimetres
Wall scabs	38 millimetres by 140 millimetres

Occupational Health and Safety Code

Schedule 6 Dimensions of Scaffold Members

Contents

Table 1
Light duty double pole scaffolds less than 6 metres in height

Table 2
Light duty double pole scaffolds 6 metres or more in height

Table 3
Heavy duty double pole scaffolds less than 6 metres in height

Table 4
Heavy duty double pole scaffolds 6 metres or more in height

Table 5
Half‒horse scaffolds less than 3 metres in height

Table 6
Half‒horse scaffolds 3 metres to 5 metres in height

Table 7
Single‒pole scaffolds less than 6 metres in height

Table 8
Single‒pole scaffolds 6 metres to 9 metres in height

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Occupational Health and Safety Code

Schedule 6 Dimensions of Scaffold Members

Contents

Table 1 Light duty double pole scaffolds less than 6 metres in height

Table 2 Light duty double pole scaffolds 6 metres or more in height

Table 3 Heavy duty double pole scaffolds less than 6 metres in height

Table 4 Heavy duty double pole scaffolds 6 metres or more in height

Table 5 Half‒horse scaffolds less than 3 metres in height

Table 6 Half‒horse scaffolds 3 metres to 5 metres in height

Table 7 Single‒pole scaffolds less than 6 metres in height

Table 8 Single‒pole scaffolds 6 metres to 9 metres in height

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Table 1
Light duty double pole scaffolds less than 6 metres in height

Table 2
Light duty double pole scaffolds 6 metres or more in height

Table 3
Heavy duty double pole scaffolds less than 6 metres in height

Table 4
Heavy duty double pole scaffolds 6 metres or more in height

Table 5
Half‒horse scaffolds less than 3 metres in height

Table 6
Half‒horse scaffolds 3 metres to 5 metres in height

Table 7
Single‒pole scaffolds less than 6 metres in height

Table 8
Single‒pole scaffolds 6 metres to 9 metres in height