southern key clamp edge protection (final...

Major Crossrail works at Farringdon Station necessitate significant tunnelling works at several different levels. As a result the following Thames Water asset protection works was deemed necessary:--Two trunk water mains, one at 30-inch diameter and one at 14-inch diameter are to be re-laid for an approximate length of 200m each. Contract Value To Barhale £2,800,000Contract Type NEC 3 Option A. Contract Duration Phase 3—25-02-13---18-10-13 Crossrail Contra C435 (£200m Contract).• Crossrail --CDM co-ordinators.

• JV of Bam Ferrovial Agroman Kier (BFK) --- main contractors.

• Thames Water ----- permanent water main designers.

• Barhale Construction have contract with BFK.

• Crossrail is a Transport for London subsidiary.

Project Description


• Access into/out of & edge protection at open cut trenches o digging at 1 end only and laying pipes as you go.o backfilling in layers. o open cut is progressing at speed green field site.o if no trench shoring--digging face is stepped back.

Problem


Industry Past Solutions


• Gas Board Favourite • A Quick Fix !

Industry Past Solutions


• Drilled in Scaffold

• The Tool !

• Are insurance risks increased/

decreased?

LUL Site Solution


• Client Insisted Scaffolder’s needed to alter any

Scaffold Edge Protection. (£21/hr)

• 24/7 Site – Resourcing ?

• Bored Scaffolder’s

• PPE –No Shorts allowed.

• Program/ H & S risk for no show.

• Scafftags.

• Competent Barhale scaffold checkers ?

Farringdon Crossrail RAMS


The Solution


Farringdon Edge Protection Applications


• THE LEG • A SIMPLE TRIAL HOLE

Farringdon Decking Applications


• WALKING ALONG VICTORAIN MAINS SAFELY.

Costs


Material

Cost/m.

Labour Cost/m Can Labour be

re-used.

Does it Look

Tidy ?

Scaffold edge

protection

£13 £4.92 No. Sometimes.

Key Clamp

Edge

Protection

£25 £3.65 Yes ALWAYS.

• Does not need a scaffold erector to put together.

• Due to weight of vertical unit with a base –very

stable. (no need to drill into the tarmac)

• Can be moved very quickly.

• Ladder can be double tied easily on to same.

• Ladder can be fitted in various different scenarios.

• Chamfered steel plate bases do not constitute a trip

hazard.

• No specialist tools needed to assemble (only an allen

key).

• 100’s of Applications.

• Crossrail Using Barhale as Best Practice For edge

Protection as a result of Key Clamp.

Benefits


Questions


southern key clamp edge protection (final...

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