Page 37 - MKRS Ring lock User Guide Manual Blue Redesign PDF_Neat

RINGLOCK

SAFETY MANUAL & USER GUIDES

10 LegStair Tower Erection Guidelines—Steps 1,2 & 3

STEP 1

1. Place the Base Collars over the Adjustable
Screw Jacks.

STEP 2

1. Position the Adjustable Screw Jacks and
assemble the Ledgers. Make sure that this setup
is level. The Adjustable Screw Jacks can be used
to level the components. Use wooden sole
plates as necessary depending on the ground
conditions. Where stairs are require to be set
out on sloping ground, refer to setting out
guidance in this manual.

2. Put in place on both outside bays, four 9.5”
(0.24m) wide steel Planks 7’-0” (2.13m) long.

STEP 3

1. Erect 3.0m Standards onto each base Collar and
Jack and assemble the Ledgers and Transoms
for the first lift. Also assemble the Braces on the
two outer sides.

2. Next, assemble the Stair Stringers. These lock
into the rosettes at the top and the bottom of
the platforms and will also act as braces to each
side of the scaffold tower as it is erected.

3. When the two Stringers are
in place, the central core
of the Tower will become
significantly more rigid
and ready to take all
other components
required to KEY
complete 1. Tread
the Tower. 2. Landing

Dimensions in mm
(25.4mm = 1 inch)

STAIR RISER DIMENSIONS

37