sgn’s practices to reduce 3rd party · pdf fileo well established industry guidance and...
TRANSCRIPT
SGN’s practices to reduce 3rd
Party Interference
SGN - Backgroundo 2nd largest distribution network in the UK
o 5.9 million customers
o 71,000+km of distribution mains
o 3000+km of HP pipelines
o 85bar – 12bar
o 48” – 1 ½” diameter
o 30 offtakes, 300+ TRS’, 7300+ DG’s
o Regulatory Asset Value £5bn
SGN – Legislative Requirements
o Primary Legislation - Health & Safety at Work Act, The Gas Act
o Secondary Legislation - PSR & PSSR, etc.
o Requirements for Maintenance, Surveillance, Reporting Requirements,
Emergency Procedures
o Well established industry guidance and standards – BS PD 8010 Part 1,
BS EN 1594, IGEM TD1 & TD 13, UKOPA best practice, Gas Industry
Standards
o SGN’s Safety Management Framework – 700 procedures, instructions and
standards.
SGN – Damage Prevention Group
o Representation from across the company – Operations, Maintenance,
Safety, Engineering Policy and Stakeholder Engagement
o Develop the best strategy to reduce encroachments
o Changes to Plant Protection enquiry processes
o Identifying best methods of engagement
o Highlighting potential changes to procedure
SGN – Current Measures
o Fortnightly Aerial Surveillance
o Risk based approach to line walking
o Marker Posts – Constant cycle of maintenance and improvement
o Protective slabbing and increased depth of cover in high risk areas
o Regular visits to trade and agricultural shows
o Escalation process for serious and repeat offenders
o SGN will repair minor damage free of charge – to encourage reporting
SGN – Identifying the Risk
o 1st Party Works
o Works carried out by SGN direct labour
o 2nd Party Works
o Works carried out by contractors on behalf of SGN
o 3rd Party Works
o Works unrelated to but in proximity of the pipeline
o Different message required for each group
SGN – 1st & 2nd Party Workso Well established practices – IGEM SR/18
o 3m default hand dig – however “Consideration may be given to
relaxation of these limits by agreement with the operator”
SGN – Stakeholder Engagement
SGN/WI/SW/2 Procedure
o 1st & 2nd Party Works o 3rd Party Works
12 page booklet carrying self
proving legal agreement
o HP Safety Leaflet
Awareness campaigns,
landowner liaison etc.
SGN – Recognition of Risk o Communicating the difference between HP pipelines and other
underground infrastructure.
SGN – Stakeholder Engagemento Emphasis on communicating the risk
o SGN will provide all support and instruction to ensure work is carried out safely
o Maintaining good relationships with landowners
SGN – 3rd Party Workso Single biggest cause of Pipeline Incidents
o Not possible to eliminating entirely
