Doka Ringlock - Step 5

Aluminium Stair Tower Erection Guidelines (4-Leg) User Information Ringlock
999817902 - 11/2020
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Step 5
➤ AttachtheOuterGuardrailframeontothersttwo
Rosettes of the Standard closest to the base of the
PlatformStairs.TheOuterGuardralhasswivelTer-
minals for this purpose (See Detail).
➤ RepeatItem1atthetopoftheOuterGuardrail
using the swivel Ledgerheads. Secure horizontal
wedgewithablowofahammer,thiswillprevent
the Guardrail from lifting/ sliding.
➤ Insert two Steel Planks 1.40m long to create a tem-
porary platform.
Step 6
Thenextassemblyinstructionsrequirethetempo-
rary platform described in Step 5. It is recommended
thatthesca󰀨olderusesasafetyharnessand55mm
sca󰀨oldhookattachedtoalanyardwhentraversing
onto the temporary platform from the Platform Stairs.
Careisrequiredsteppingacrossthelargegap.Oruse
suitable ladder from bottom planked level to access
temporary platform.Refer to section ‘Safety Harness
Connection Points’ for more information. Reference to
the HSE Work at Height Regulation and Safety Guid-
ance Notes provided by the NASC is recommended.
➤ From the available temporary platform assemble
thenextsetofStandards.
➤ Assemble the Ledgers and Transoms
➤ Assemble Diagonal Braces on all outside faces of
the bay.
Thetowerisnowreadytoassemblethenextlift.