Stairmaster - Illustrative Installation Sequence.For Discussion use only, do not scale.

Illustrative Installation Sequence – Stairmaster

1. Stairs and rails can be prepared ahead of working decks to maintain access and eliminates

temporary stair systems and ladders on site.

2. Option One: Lower stair vertically from two lifting points, idea for use with slipform.

Illustrative Installation Sequence – Stairmaster

3. Option Two: Lower stair vertically at its true angel using the four lifting points.

Illustrative Installation Sequence – Stairmaster

4. Seat the bottom of the stairs first, allowing the support angle at the top of the flight to rest on the formwork.

Illustrative Installation Sequence – Stairmaster

• Rebar installed to landings and fixed

to stair rebar

Illustrative Installation Sequence – Stairmaster

5. Install props and rebar.

• Install 2 number props perpendicular

using timber ledgers

6. Concrete pour from bottom and up with dry mix to first flight.

Illustrative Installation Sequence – Stairmaster

7. Concrete poured to half landing.

Illustrative Installation Sequence – Stairmaster

Illustrative Installation Sequence – Stairmaster

8. Concrete pour from bottom and up with dry mix to second flight.

9. Concrete pour complete, trowel steps for smooth finish and wipe clean (Back prop if flight has not

reached Full 28 day strength ).

Illustrative Installation Sequence – Stairmaster

Features and Benefits of using Stairmaster System

Feature: Benefit: Who profits?

Designed to be installed progressively with

floors

• Eliminate temp stairs/ladders on site

• Cost saving

• Can be used for access, passage of materials

and fire escape during build.

• Concrete contractor

• Main contractor/client

Permanent rails are provided with stair flights • Eliminates temp. rails/scaffolding

• Cost saving

• Less trades in stair core

• Safest method of construction-Men installing

stairs always have edge protection in place

• Concrete Contractor

• Main contractor/client

All elements ,Stair flights, landings and core all

have a greater continuity of reinforcement

and concrete

• Strongest method of constructing stair cores

• No reliance on shelf angles

• No risk of progressive collapse

• Popular with engineers

Permanent formwork manufactured off-site • Allows fastest installation times on site

• No striking of formwork

• No reliance on specialist “stair hands”

• Stairs can be used next day

• Cost saving

• Programme benefits

• Concrete Contractor

• Main contractor/client

Formwork is lightweight • Reduced crane time

• Crane not essential to install

• Concrete Contractor

• Main contractor/client

Formwork has a hard-wearing steel nosing on

risers

• Won’t chip

• No need for making good

• No requirement for stair protectors

• Ideally suited for passage of men/materials

during the build

• Takes a good finish.

• Concrete Contractor

• Main contractor/client

Stair flights have choice of straight stringer

profile

• No need for MDF trim on stringers at stair

wells

• No need for aluminium edgings

• Provides a tidy edge for finishes

• Lowers cost significantly

• Reduces number of trades and time spent in

stair cores

• Main contractor

• Client

Soffits and stringers have flat, fair-facing finish • No need to cover over with plasterboard

• Accepts a good paint finish

• Gives superior look

• Cost savings

• Main contractor

• Client