Page 307 - Pipeline Risk Management Manual Ideas, Techniques, and Resources

131284 Stations and Surface Facilities
2.0 pts [Mild Static Conditions]-Mild corrosive static condi- required external coating best practices [Adequate coatings
tions exist typically include somastic, asphaltic, coal tar, poly jacket,
6.0 pts [Moderate Ground Conditions]-Moderate corrosive and tar/glass/felt (TGF) types in good condition.]
static conditions exist 7.0 pts [Inadequate Buried Metal Coating]-Coating exists
10.0 pts [Severe Ground Conditions]-Severe corrosive static that does not meet all company and industry minimum rec-
conditions exist ommended or required external coating best practices
[Inadequate coatings typically include any disbanded,
[Product Corrosivity- Evaluation of various product (crude improperly installed or damaged coating.]
oil and refined products) corrosivity conditions, including 10.0 pts bo Buried Metal Coating]-No known coating exists
chlorides, pH, temperature, bacteria, moisture, dissolved gases and few company and industry minimum recommended or
(CO,, O,, H,S), and contaminant levels. required external coating best practices are met. [No coat-
ings typically exist on carrier pipe within a casing or old
0.0 pts [No Product Conditions]-No corrosive product condi- pipe.]
tions exist
2.0 pts [Mild Product Conditions]-Mild corrosive product [Buried Metal Corrosion Control Program/- Evaluation of
conditions exist various buried metal corrosion control measures including pro-
6.0 pts [Moderate Product Conditions]-Moderate corrosive gram appropriateness and system adequacy for conditions,
product conditions exist coverage completeness and PPM. PPM program includes API
10.0 pts [Severe Product Conditions]-Severe corrosive prod- 653 inspection on tanks and hot-spot protection.
uct conditions exist
0.0 pts [Excellent Buried Metal Corrosion Program]-A for-
Atmospheric corrosion mitigation mal program exists that exceeds all company and industry
minimum recommended or required buried metal corrosion
[Atmospheric Corrosion Control Program/- Evaluation of control best practices
various atmospheric corrosion control, including coating 2.0 pts [Adequate Buried Metal Corrosion Program]-A semi-
appropriateness, adequacy for conditions, coverage complete- formal program exists that meets all company and industry
ness, installation, and PPM. Also includes API 653 inspection minimum recommended or required buried metal corrosion
on tanks and hot-spot protection as part of the PPM program. control best practices
7.0 pts [Inadequate Buried Metal Corrosion Program]-An
0.0 pts [Excellent Atmospheric Corrosion Program]-A for- informal program exists that does not meet all company and
mal program exists that exceeds all company and industry industry minimum recommended or required buried metal
minimum recommended or required atmospheric corrosion corrosion control best practices
control best practices 10.0 pts [No Buried Metal Corrosion Program]-No known
1 .0 pts [Adequate Atmospheric Corrosion Program]-A semi- coating program exists and few company and industry mini-
formal program exists that meets all company and industry mum recommended or required buried metal corrosion best
minimum recommended or required atmospheric corrosion practices are met
control best practices
5.0 pts [Inadequate Atmospheric Corrosion Program]-An [CP System Perfarmunce/- Evaluation of CP system effec-
informal program exists that does not meet all company and tiveness in controlling external corrosion based on CP perform-
industry minimum recommended or required atmospheric ance criteria used, number and location of test points
corrosion control best practices (coverage), frequency of test point readings, variance of read-
10.0 pts [No Atmospheric Corrosion Program]-No known ings from criteria, corrective actions and timeliness, data and
program exists and few company and industry minimum rec- activities documentation, system equipment PPM, etc.
ommended or required atmospheric corrosion control best
practices are met 0.0 pts [Excellent CP System]-An effective CP system exists
that exceeds all company and industry minimum recom-
External corrosion mitigation mended or required buried metal corrosion control best prac-
tices
[Buried Metal CoatingAdequacy/Qpe?/- Evaluation of var- 2.0 pts [Adequate CP System]-A CP system exists that meets
ious buried metal coatings, including appropriateness, ade- all company and industry minimum recommended or
quacy for conditions, coverage completeness, installation, and required buried metal corrosion control best practices
PPM. PPM includes API 653 inspections and bellhole inspec- 7.0 pts [Inadequate CP System]-A CP system exists that does
tions. not meet all company and industry minimum recommended
or required buried metal corrosion control best practices
0.0 pts [Excellent Buried Metal Coating]-Coating exists that 10.0 pts wo CP System]-No known CP system exists and
exceeds all company and industry minimum recommended few company and industry minimum recommended or
or required external coating best practices [Excellent coat- required buried metal corrosion best practices are met
ings typically include fusion bonded epoxy (FBE) types in
good condition.] [CIS Performunce]- Evaluation of the effectiveness of a
2.0 pts [Adequate Buried Metal Coating]-Coating exists that close interval survey (CIS) for identifying CP system problems
meets all company and industry minimum recommended or and external corrosion hot spots based on the CP performance