Southdowns was involved in key areas of support to the end client following the Crossrail Bill gaining Royal Assent in July 2008, and prior to the letting of the major civils contracts.
Those areas included:
- advice to the Crossrail enviroment department on noise and vibration related tender clauses for the enabling works contract documentation;
- participation on an expert panel on a Network Rail / Crossrail Joint Working Party tasked with investigating operational and maintenance issues associated with the steep gradients in tunnels;
- preparation of technical reports to provide advice on the implications of certain Crossrail groundborne noise and vibration related commitments;
- preparation of, and negotiation on, Section 61 (CoPA 1974) consent applications and associated matters for the site investigation and enabling works contractors, and on behalf of the Crossrail Enabling Works Managing Agent;
- unattended and attended noise and vibration monitoring on behalf of enabling works contractors;
- participation on a Network Rail / Crossrail Track Working Party considering the effects and implications of rail / wheel interface roughness limits on the Crossrail maintenance strategy;
- research work investigating the control of noise and vibration at the wheel / rail interface using friction management techniques.