Friday, 3 October 2014

Streatham Hill Bridge works update - 9th Oct reopening

For those wanting an update about the Streatham Bridge works, we have been told that the "top deck" works are now expected to finish on Drewstead Road a day early - on 9th October, with the road re-opening. The works (that don't involve road closure) at platform level will then be carried out until  15th December (estimated)

This what we have been told:

Works carried out to date:

Top deck works are nearing completion with the following carried out:

·         Removal of the existing waterproofing with associated concrete deck repairs
·         New spray applied waterproofing system to Bridge deck
·         New footway and Carriageway surfacing
·         New Ducts for cathodic protection system for deck mounted control cabinets
·         New buried bridge joints
      Most likely top deck works will be completed on Thursday  09th October and open carriageway for vehicles and footway for pedestrians ( 1 day ahead of schedule)

Future Works ( No Road Closure)
Works will be carried out on Streatham Hill Station platform level

The next phase of works is concrete repairs and cathodic protection to structure below bridge deck level(within rail environment) .The planned works take place within hoarded green Zone areas within platform limits and comprise:
  • Removal of all chemically and mechanically defective concrete using hydro demolition
  • Replacement of any defective reinforcement
  • Installation of impressed current cathodic protection anodes and cabling
  • Reinstatement of concrete to maintain original structure geometry
  • Final connection of CP system to top deck mounted cabinet
  • Commissioning of cathodic protection system

Estimated completion date 15th December

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