Page 203 - Serious Incident Prevention How to Achieve and Sustain Accident-Free Operations in Your Plant or Company

CH15pp159-189 4/10/02 12:51 PM Page 170

170 Serious Incident Prevention

TABLE 15-3
QMI Pipeline Operations Serious Incident Prevention Critical Work
Critical Work Frequency
Third-Party Damage Prevention:
a) Investigate each planned excavation Prior to excavation
near right-of-way
b) On-site monitoring of all excavation Each excavation
work on right-of-way
c) Fixed-wing aircraft aerial right-of-way Weekly
patrol
d) Inspection to ensure right-of-way Monthly
marker signs in place
e) Mowing of right-of-way Each June & August
f) Ground level inspection of entire right- Annual
of-way
g) Navigable waterway inspections by Every 5 years
diver
Defective Equipment and Repair
Prevention:
Audit: Semi-annual audit
Management-of-change process
Welding certifications for authorized
repair personnel
Contractor safety and training pro-
grams
External Corrosion Prevention:
Monthly
a) Cathodic protection rectifier inspec-
tions
Monthly
b) Interference bond inspections
Semi-annual
c) Corrosion grid inspection
Annual
d) Cathodic protection test station survey
20% of pipeline each year
e) Close interval cathodic protection
survey
Internal Corrosion Prevention:
Daily
a) Monitor rate of corrosion inhibitor in-
jection Quarterly
b) Corrosion coupon inspections Semi-annual
c) Piping grid inspection

Prevention of Operator Errors:
Annual
a) Review and update operating manual