Level 2 Diploma in Site Carpentry

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PowerPoint presentationStairs

Unit 208: Carry out first fix frames, partitions and

stairs

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Stairs

There are different types of stairs including:

Straight flight Dog leg or half turn Quarter turn

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Stairs

A straight flight is positioned either against a wall or independent .

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Stairs

The parts of a staircase are identified below:

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Stairs

Landings are between floor levels to break up the overall length of a

flight, hey can also be used as a change of direction of the stairs.

A stringer is the board which treads and risers are fixed, they may be

a wall or outer string.

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Stairs

Headroom – The horizontal distance from the pitch line to ceiling.

Riser – The vertical part of a step.

Tread – The horizontal part of the step.

Pitch Line – The line connecting the nosing's of all treads .

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Stairs

Rise – The height of a step.

Going – The size of one step.

Step – One step and one riser

Nosing - Front edge of a tread

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Stairs

Newel – Vertical member at each end of a stair to which the handrail is

fixed

Balusters – Vertical member forming the infill between the string and

handrail.

Balustrade – Infill between the handrail and string which provides a

barrier for the open side of a stair.

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Stairs

Stair well – Opening formed in the floor layout to accommodate a stair

Bull nose step – Quarter-rounded step at

the bottom of a stair

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Stairs

Glue block - Fixed between the tread

and riser for support.

Wedges - Fixed in the string

to support treads and risers.

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Stairs

Activity

Look at approved Document K (Protection from falling) and discuss

how this affects the design, construction and installation of stairs.

This section covers the technical guidance that supports Part K of

schedule 1 of the Building Regulations, with the requirements with

respect to protection from falling.

http://www.planningportal.gov.uk/buildingregulations/

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Any questions?