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FHR6 Blockade Works

Network Rail & Northern Rail Co-ordination Meeting. FHR6 Blockade Works. 12th August 2013. 1. Todmorden Curve. Aerial View of Todmorden Curve. 2. Todmorden Curve. The project involves: Reinstatement of approx 300m of new track formation, ballast, sleepers and rail

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FHR6 Blockade Works

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  1. Network Rail & Northern Rail Co-ordination Meeting FHR6 Blockade Works 12th August 2013 1

  2. Todmorden Curve Aerial View of Todmorden Curve 2

  3. Todmorden Curve The project involves: • Reinstatement of approx 300m of new track formation, ballast, sleepers and rail • 1nr new turnout from the Dn MVN2 and 1nr new crossover on the MVN2 line between Todmorden viaduct and Todmorden Station • Heavy maintenance of existing turnout and crossover on the FHR6 line • New signalling, telecoms and power equipment on and off the new chord and spacing alterations between Dobroyd and Summit Tunnel (late new scope) • Control modifications to Preston Powered Signal Box • Footbridge at Dobroyd Crossing (by National Footbridge Team)

  4. Todmorden Curve Setting Up Site

  5. Todmorden Curve Route of New Chord - Now Cleared of Trees

  6. Todmorden Curve Key Milestones • Contract Award (Buckinghams MAFA) Jul-13 • Mobilise to site Aug-13 • Installation of new S&C Nov-13 (disruptive access wk 31 and 32) • Heavy Maintenance (FHR6) Dec-13 (during Holme Tunnel disruptive access) • Commission Signals MVN2 Jan-14 (disruptive access wk 41 24hr) • Commission and Hand back Chord Feb-14 (disruptive access wk 45 50hr) Current Status • Site setup under way • Material deliveries over next 8 weeks – engineering train • Design underway • Survey and GI works in progress 6

  7. Holme Tunnel Repair 7

  8. Holme Tunnel Repair Background • ELR: FHR6 Gannow Junction to Hall Royd Junction • Masonry & brick tunnel • Constructed between 1845 and 1849 • 265 yards (242 metres) long • Located near the village of Holme Chapel, Cliviger 8

  9. Holme Tunnel Repair Defects • Severe distortion of tunnel bore at Todmorden end • Distortion of Todmorden portal • Brickwork defects along tunnel length Causes • Landslide movements • Seismic activity and faulting • Climate and rainfall • Streams and groundwater • Mining at Todmorden End • Excavations at landslide toe 9

  10. Holme Tunnel Repair Solution • Undertake primary and secondary grouting prior to main works • Remove and replace signalling and tellecoms cables • Remove and replace 600m of Permanent Way • Replace existing masonry lining at Todmorden end with new concrete lining and strengthen invert. • Reconstruct Todmorden Portal • Repairs at Burnley end to brickwork lining • Install new 6ft drainage Remit • Reinstate structural integrity to allow return to normal asset management regime • Reinstate Standard Gauge Clearance • Removal of performance and line closure risk due to continued deterioration • Allow removal of 20mph PSR, and passive provision for 75mph line speed 10

  11. Holme Tunnel Repair Solution • Undertake primary and secondary grouting prior to main works • Remove and replace signalling and tellecoms cables • Remove and replace 600m of Permanent Way • Replace existing masonry lining at Todmorden end with reinforced concrete lining and strengthen invert. • Reconstruct Todmorden Portal • Repairs at Burnley end to brickwork lining • Install new 6ft drainage Remit • Reinstate structural integrity to allow return to normal asset management regime • Reinstate Standard Gauge Clearance • Removal of performance and line closure risk due to continued deterioration • Allow removal of 20mph PSR, and passive provision for 75mph line speed 11

  12. Holme Tunnel Repair Key Milestones • Establish Site Compound Jul 2013 • Start preliminary grouting Jul 2013 • Finish preliminary grouting Nov 2013 • Blockade Start Date 9th Nov 13 • Remove S&T cables 11th Nov 13 • Remove existing p-way 12th Nov 13 • Establish work area in tunnel 13th Nov 13 • Start tunnel relining works 13th Nov 13 • Start portal works 11th Dec 13 • Complete relining works 2nd Mar 14 • Complete portal works 13th Mar 14 • Re-establish S&T cables 13th Mar 14 • Grade ballast and lay track 19th Mar 14 • Test and commission 24th Mar 14 • Blockade end date 24th Mar 14 • Demobilise site 11th April 14 Progress to Date • Site compound established • Installation of Road Rail Access Point • Drilling and grouting in progress • Progressing finalisation of design 12

  13. Holme Tunnel Repair 13

  14. Holme Tunnel Repair 14

  15. Holme Tunnel Repair 15

  16. Holme Tunnel Repair 16

  17. Additional Work Items • Structural Repairs at Lydgate Viaduct 17

  18. Additional Work Items • Structural Repairs at Lydgate Viaduct • Embankment stabilisation at Kitson Wood • Embankment stabilisation at Walk Mill 18

  19. Additional Work Items • Structural Repairs at Lydgate Viaduct • Embankment stabilisation at Kitson Wood • Embankment stabilisation at Walk Mill • Improved drainage, waterproofing and structural repairs at Burnley Road Bridge 19

  20. Additional Work Items • Structural Repairs at Lydgate Viaduct • Embankment stabilisation at Kitson Wood • Embankment stabilisation at Walk Mill • Improved drainage, waterproofing and structural repairs at Burnley Road Bridge • Minor works to 27 structures along the route 20

  21. FHR6 Blockade Works 12th August 2013 Network Rail & Northern Rail Co-ordination Meeting 21

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