With possession granted after close of service last night, work got underway to remove and replace bridge deck on #BonhillRd #Dumbarton.
Work is being delivered during 54hr closure of the line today and tomorrow.
Work is being delivered during 54hr closure of the line today and tomorrow.
Among the first tasks was to stone the road to level off camber underneth the structure to allow bridge transporter access to take weight of bridge deck - which has been pre cut.
We have also cleared the cables at track level to enable removal of deck #BonhillRd #Dumbarton
We have also cleared the cables at track level to enable removal of deck #BonhillRd #Dumbarton
With the bridge transporter in position, it takes the weight of the deck and raises it circa 150mm to enable safe removal.
Also what it looks like from track level.
Work continues... #BonhillRd. #Dumbarton
Also what it looks like from track level.
Work continues... #BonhillRd. #Dumbarton
The d bridge deck at #BonhillRd #Dumbarton heads off doon the road - passing the old signal box on its way.
Out with the old then it’s on to preparing for the new.
Out with the old then it’s on to preparing for the new.
The existing abutments at #BonhillRd #Dumbarton are being cut down to fit the new cill units and deck.
Image shows abutment down to final cill level - ready to core and screed
Work continues...
Image shows abutment down to final cill level - ready to core and screed
Work continues...
Edge protection has been erected on the West & east side of bridge in advance of coring and screeding
Old deck being lifted from transporter to allow transporter to lift new deck and cills into position later. #BonhillRd #Dumbarton
Work continues...
Old deck being lifted from transporter to allow transporter to lift new deck and cills into position later. #BonhillRd #Dumbarton
Work continues...
In the early hours the new bridge deck with cils was lifted onto the transporter and driven from the compound to the site at #BonhillRd #Dumbarton
It was driven between the abutments and lowered precisely into. position
Work continues...
It was driven between the abutments and lowered precisely into. position
Work continues...
We are currently installing 4 transitions slabs by crane at #BonhillRd #Dumbarton
Once complete this will be followed by reinstatement of the ballast/track and reinstement of cabling across new deck
Work continues...
Once complete this will be followed by reinstatement of the ballast/track and reinstement of cabling across new deck
Work continues...
Progress continues with the fourth transition slab being craned in at #BonhillRd #Dumbarton. It’s busy at track level getting slabs properly positioned
Once completed the track team will get access to start the task of reinstating ballast sleepers and rails
Work continues...
Once completed the track team will get access to start the task of reinstating ballast sleepers and rails
Work continues...
