Final report - June 2002 Issued by the Hazardous Installations Directorate (HID): Land Division

This report sets out HSE's monitoring requirements and associated enforcement action criteria for the iron mains replacement activity planned by Transco for the period 1^st April 2002 to 31^st March 2007.

Contents

• Executive Summary
• 1. Basis for the mains replacement programme and HSE monitoring
• 2. Transco's management and monitoring systems
• 2.1. scheduling & monitoring
• 2.2. Initial Planning
• 2.3. Phasing of workload
• 2.4. Workload Forecasting
• 2.5. Risk Profile
• 2.6. Current monitoring and reporting arrangements
• 3. HSE's information requirements
• 3.1. Planning and Implementation
• 3.2. Routine monitoring and Control
• 3.3. Reporting Framework and Communications
• 3.4. Exception reporting
• 3.5. Target Risk Score Profile of annual work programmes
• 3.6. Use of Risk Profile Information
• 3.7. Proactive Monitoring & Audit
• 3.8. Transitional arrangements during 2002 - 2003
• 4. Year end review
• 5. The role of HSE in enforcing the mains replacement programme

Tables

• Table 1 Typical planning phase milestones in a normal output-reporting year
• Table 2 Possible Key Target Dates for submission of data to HSE
• Table 3 Initial Exception Reporting Thresholds
• Table 4 Transitional Period Exception Reporting Thresholds

Appendices - For illustrative purposes only

• App. 1 National 5 Year Forecast (2002/3 -2006/7)
• App. 2 Example Network 5 Year Forecast (2002 - 2007)
• App. 3 National Phased Annual Programme (2002/3)
• App. 4 Example Network Phased Annual Programme (2002/3)
• App. 5A Routine Quarterly Report: Summary page (Dec 2001)
• App. 5B Routine Quarterly Report: Data table (Dec 2001)
• App. 5C Cumulative Performance Charts (Dec 2001)
• App. 5D MP DI Replacement (June 2002).
• App. 6 Iron Mains Risk Score Profile (MRPS version 5)