Balfour Beatty Civil Engineering Ltd
10 Hour night-time possession for deck removal; 3 No. 4 hour possessions for masonry stair removal.
£28,000 [Including Credits]
The Access for All Programme is part of the Railways for All Strategy, launched in 2006 to address the issues faced by disabled passengers using railway stations in Great Britain. The work at Dunblane Rail Station comprises the complete design, manufacture, installation, test and commission of a step-free access route throughout the station comprising the construction of one new footbridge and two new operational lifts with associated civil works, M&E and telecoms infrastructure. The works shall span platforms 1 to 2 at Dunblane Rail Station.
Significant hazards included; night-time working during principal Contractor's possession time; unintentional contact with heavy plant as a crane was employed , striking buried services around foundations, working adjacent/over railway lines and platform buildings.
This Work Package covers the dismantling and removal of the steel footbridge from over the rail and removal of 2 No. stone access stairs to 150mm below ground level.
Main activities covered were: A detailed Risk Assessment and method of work carried out for each location and item of plant which is working within the Network Rail boundary as per guidance note "Managing Plant Working next to Lines Open to Traffic".
Site Investigation Works: With public access to footbridge blocked, access top of footbridge with pinch bar/scrappers. Wearing all appropriate PPE, manually removed surface covering at cut points to expose steel plate ends or welds, worked from east to west. As each cut point was exposed, swept up debris and placed at west end of bridge for disposal.
Site Set Up: Site induction for all personnel and task briefing. Set up mobile crane and artic hiab as per lift plan, slew restrictors applied to prevent booms on or near rail lines. Full inspection of all certificates for crane and lift tackle prior to start.
Attaching Chains and Position Access Scaffold/Place Barriers at open edges: Attached chains and positioned access scaffold – With isolation of track confirmed, commenced with positioning of booms over first lifts as per lift plan; attached chains and took strain.
Lifting of Parts to Transport/Laydown area: Hot cutting and lifting operations – Wearing all relevant PPE & RPE, with barrier's fixed at all open ends during the removal works, proceeded to hot cut bridge sections. 2 Bolt fixings to all parts until the chains are attached. As each section was released, lifted out and down to transport/laydown area; tag lines to used. Proceeded along bridge as per lift sequence. With bridge deck and ramps removed, attached chains of crane to bridge supports and took strain. Hot cut steel flush with concrete. All leading edges fenced off as works progressed.
Removal of the pedestrian overbridge structure was completed satisfactorily during night-time possession period and the removal of the ramps, stairs and buttresses completed satisfactorily during normal working hours.
Demolished materials were disposed of to a recognised, approved tip and the steel structure recycled after cutting to suitable lengths.
The whole of the Works was completed very successfully, on time and within the agreed budget.