2.4.1-1

Stair structures

Unit: nr Sub-Element: 2.4.1 - 1 Stair/ramp structures
Component Information
Code:
2.4.1-1
Sequence:
1
Unit:
nr
Sub-Element:
2.4.1 - 1 Stair/ramp structures
Description:

Stair structures

Details to State:

details, including vertical rise of staircase, to be stated

Component Statistics
5
Measurement Rules
8
Included Items
4
Excluded Items
Measurement Rules (5)
C1 1

Number of storey flights (i.e. the number of staircases or ramps multiplied by the number of floors served, excluding the lowest floor served in each case).

C2 2

The vertical rise of stairs or ramps is the distance measured from top of structural floor level to top of structural floor level.

C3 3

Curved work is to be described and identified separately.

C4 4

Work to existing buildings is to be described and identified separately.

C5 5

Contractor-designed work is to be described and identified separately.

Note: Where the contractor is only responsible for designing specific elements and/or components of the building project (i.e. not the entire building project).
Included Items (8)
1.

Staircases, including spiral staircases, etc.

2.

Access ramps.

3.

Landings between floor levels.

4.

Fire escape staircases.

5.

In situ and precast concrete, including concrete, reinforcement, formwork, worked finishes and grouting of precast units.

6.

Staircases fabricated from steel, timber or other material, including off-site applied coatings and paint systems.

7.

Sundry items.

8.

Where works are to be carried out by a subcontractor, the subcontractor’s preliminaries, design fees, risk allowance, overheads and profit, with allowance for these to be made within unit rate applied to element or component.

Excluded Items (4)
1. Ref: 2.2

Landings at floor levels (included in element 2.2, as appropriate).

2. Ref: 1.1.3,2.2

Ramps that are an integral part of the floor construction levels (included in sub-element 1.1.3 or element 2.2, as appropriate).

3. Ref: 1.5,2.5,2.7

Walls forming stairwells (included in elements 1.5, 2.5 or 2.7, as appropriate).

4. Ref: 2.4.4

Access and escape ladders, chutes, slides, etc. (included in sub-element 2.4.4).

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