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 Certification sketch

ID from to event attribute units notes
Gas 0 1200 soil corrosivity 4 mpy
Gas 1200 1400 soil corrosivity 18 mpy swamp
Gas 1400 2400 soil corrosivity 4 mpy
Oil 0 1200 soil corrosivity 4 mpy
Oil 1200 1400 soil corrosivity 18 mpy swamp
Oil 1400 2400 soil corrosivity 4 mpy
HVL 0 1200 soil corrosivity 4 mpy
HVL 1200 1400 soil corrosivity 18 mpy swamp
HVL 1400 2400 soil corrosivity 4 mpy
Gas 900 1100 proximity to 30′ tall AC towers 20 ft distance from base of tower to pipeline
Oil 850 1050 proximity to 30′ tall AC towers 40 ft distance from base of tower to pipeline
HVL 800 1000 proximity to 30′ tall AC towers 60 ft distance from base of tower to pipeline
HVL 1700 2000 facility explosion potential 0.001 events/mile-year pipeline damage as secondary reaction from facilities explosion, unmitigated frequency
Gas 1700 2000 facility explosion potential 1E-06 events/mile-year pipeline damage as secondary reaction from facilities explosion, unmitigated frequency
Oil 1700 2000 facility explosion potential 0.00001 events/mile-year pipeline damage as secondary reaction from facilities explosion, unmitigated frequency
HVL 1700 2000 population density 0.002 persons/ft2 associated with facility activities
Gas 1700 2000 population density 0.002 persons/ft2 associated with facility activities
Oil 1700 2000 population density 0.002 persons/ft2 associated with facility activities
HVL 1450 1650 population density 0.01 persons/ft2 residential housing
Gas 1450 1650 population density 0.01 persons/ft2 residential housing
Oil 1450 1650 population density 0.01 persons/ft2 residential housing
Area Default 0 2400 population density 0.0001 persons/ft2 all other areas
Oil 0 2400 pipe diameter 20 inches outside diameter
Gas 0 2400 pipe diameter 12.75 inches outside diameter
HVL 0 2400 pipe diameter 8.625 inches outside diameter
Gas 0 600 pipe wall thickness 0.219 inches
Gas 600 1300 pipe wall thickness 0.375 inches
Gas 1300 2400 pipe wall thickness 0.219 inches
Oil 0 950 pipe wall thickness 0.312 inches
Oil 950 1550 pipe wall thickness 0.5 inches
Oil 1550 2400 pipe wall thickness 0.312 inches
HVL 0 1000 pipe wall thickness 0.322 inches
HVL 1000 1300 pipe wall thickness 0.5 inches
HVL 1300 2400 pipe wall thickness 0.322 inches
Gas 0 2400 pipe seam type ERW
HVL 0 2400 pipe seam type ERW
Oil 0 2400 pipe seam type SMLS
Gas 0 1000 pipe date 1962 date
Gas 1000 1300 pipe date 1979 date
Gas 1300 2000 pipe date 1960 date
Gas 2000 2400 pipe date 2010 date
Oil 0 200 pipe date 2012 date
Oil 200 2400 pipe date 1953 date
HVL 0 2400 pipe date 2006 date
Oil 0 2400 MAOP 950 psig
Gas 0 2400 MAOP 1400 psig
HVL 0 2400 MAOP 1200 psig
Oil 0 2400 normal operating pressure 780 psig
Gas 0 2400 normal operating pressure 1280 psig
HVL 0 2400 normal operating pressure 1120 psig
Oil 0 2400 SMYS 35000 psig
Gas 0 2400 SMYS 42000 psig
HVL 0 2400 SMYS 52000 psig
Area Default mitigation effectiveness:  public awareness program 0.2 fraction fraction of damaging events avoided due to this mitigation
Area Default mitigation effectiveness:  one call program 0.8 fraction fraction of damaging events avoided due to this mitigation
HVL 0 2400 CP gaps 0.1 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Gas 0 1600 CP gaps 0.1 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Gas 1600 2400 CP gaps 1 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Oil 0 2400 CP gaps 2 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
HVL 0 2400 coating holiday rate 0.5 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Gas 0 1000 coating holiday rate 2 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Gas 1000 1300 coating holiday rate 0.5 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Gas 1300 2000 coating holiday rate 1 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Gas 2000 2400 coating holiday rate 0.8 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Oil 0 200 coating holiday rate 0.2 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Oil 200 2400 coating holiday rate 3 gaps/mile probability of one or more gaps (gaps are <1ft2) per unit length
Gas 0 1000 pressure test date 1962 date
Gas 1000 1300 pressure test date 1979 date
Gas 1300 2000 pressure test date 1960 date
Gas 2000 2400 pressure test date 2010 date
Oil 0 200 pressure test date 2012 date
Oil 200 2400 pressure test date 1953 date
HVL 0 2400 pressure test date 2006 date
Oil 0 2400 test pressure 1400 psig
Gas 0 1000 test pressure 2000 psig
Gas 1000 1300 test pressure 2050 psig
Gas 1300 2000 test pressure 1900 psig
Gas 2000 2400 test pressure 2100 psig
HVL 0 2400 test pressure 1800 psig
Area Default soil mitigation explosion 0.99 fraction of damaging events avoided due to this mitigation
Area Default proximity to 30′ tall AC towers >5000 ft
Area Default separation distance between pipelines 20 ft
Oil 0 1000 remediation cost 100 $/ft2 avg cots of environmental clean up and remediation
Oil 1000 1400 remediation cost 10000 $/ft2 avg cots of environmental clean up and remediation
Oil 1400 2100 remediation cost 1000 $/ft2 avg cots of environmental clean up and remediation
Oil 2100 2400 remediation cost 200 $/ft2 avg cots of environmental clean up and remediation
Gas 0 2400 remediation cost 1 $/ft2 avg cots of environmental clean up and remediation
HVL 0 2400 remediation cost 5 $/ft2 avg cots of environmental clean up and remediation
Gas 2250 2300 casing 1 binary binary; 1 = yes
HVL 2250 2300 casing 1 binary binary; 1 = yes
Oil 1050 1450 HDD xing, depth 25 ft
Gas 1050 1450 HDD xing, depth 20 ft
HVL 1200 1300 river xing, water depth 5 ft
HVL 1200 1300 river xing, depth below river bottom 0.5 ft
Gas 0 2400 hazard zone thermal 400 ft distance from pipeline to end of ‘significant’ damages
HVL 0 2400 hazard zone thermal 250 ft distance from pipeline to end of ‘significant’ damages
HVL 0 2400 hazard zone thermal if detonation 1800 ft distance from pipeline to end of ‘significant’ damages if UCVCE occurs
HVL 0 1500 probability of detonation 0.002 % probability of unconfined vapor cloud explosion
HVL 1500 2250 probability of detonation 0.1 % probability of unconfined vapor cloud explosion
HVL 2250 2400 probability of detonation 0.05 % probability of unconfined vapor cloud explosion
Gas 0 2400 hazard zone contamination 50 ft2 distance from pipeline to end of ‘significant’ damages
HVL 0 2400 hazard zone contamination 100 ft2 distance from pipeline to end of ‘significant’ damages
Oil 0 700 hazard zone contamination 10000 ft2 distance from pipeline to end of ‘significant’ damages
Oil 700 900 hazard zone contamination 5000 ft2 distance from pipeline to end of ‘significant’ damages
Oil 900 1500 hazard zone contamination 500000 ft2 river xing; distance from pipeline to end of ‘significant’ damages
Oil 1500 2250 hazard zone contamination 8000 ft2 distance from pipeline to end of ‘significant’ damages
Oil 2250 2350 hazard zone contamination 200000 ft2 cased low spot; distance from pipeline to end of ‘significant’ damages
Oil 2350 2400 hazard zone contamination 11000 ft2 distance from pipeline to end of ‘significant’ damages
Oil 600 850 excavation activity 1 events/mile-year frequency of excavation activities potentially reaching 10′ max and capable of breaking the pipeline
Gas 600 850 excavation activity 1 events/mile-year frequency of excavation activities potentially reaching 10′ max and capable of breaking the pipeline
HVL 600 850 excavation activity 1 events/mile-year frequency of excavation activities potentially reaching 10′ max and capable of breaking the pipeline
Oil 1550 2300 excavation activity 0.5 events/mile-year frequency of excavation activities potentially reaching 10′ max and capable of breaking the pipeline
Gas 1550 2300 excavation activity 0.5 events/mile-year frequency of excavation activities potentially reaching 10′ max and capable of breaking the pipeline
HVL 1550 2300 excavation activity 0.5 events/mile-year frequency of excavation activities potentially reaching 10′ max and capable of breaking the pipeline
Area Default excavation activity 0.25 events/mile-year frequency of excavation activities potentially reaching 10′ max and capable of breaking the pipeline
Area Default excavation activity–high depth 0.05 events/mile-year frequency of excavation activities potentially reaching 30′ max and capable of breaking the pipeline
Gas 2310 2320 valve site close to roadway; no protective barriers
Oil 1100 1400 flood debris/impact 0.0005 events/mile-year frequency of damaging loads to stream-exposed structures
Gas 1100 1400 flood debris/impact 0.0005 events/mile-year frequency of damaging loads to stream-exposed structures
HVL 1100 1400 flood debris/impact 0.0005 events/mile-year frequency of damaging loads to stream-exposed structures
Oil 1100 1400 flood scour depth; 100 year flood event 3 ft scour depth below normal riverbed anticipated during 100 yr flood
Gas 1100 1400 flood scour depth; 100 year flood event 3 ft scour depth below normal riverbed anticipated during 100 yr flood
HVL 1100 1400 flood scour depth; 100 year flood event 3 ft scour depth below normal riverbed anticipated during 100 yr flood
Oil 0 2400 internal corrosion, max 5 mpy if accumulation of liquids/solids
Gas 0 2400 internal corrosion, max 3 mpy if accumulation of liquids/solids
HVL 0 2400 internal corrosion, max 0.1 mpy if accumulation of liquids/solids
Oil 0 2400 mitigation effectiveness:  cleaning pig program 0.5 probability of removing all potentially corroding accumulations at all locations
Gas 0 2400 mitigation effectiveness:  cleaning pig program 0.8 probability of removing all potentially corroding accumulations at all locations
Gas 2250 2300 low spot; probability of accumulation 0.2 fraction of year that corrosive deposits could exist, if unmitigated
HVL 2250 2300 low spot; probability of accumulation 0.01 fraction of year that corrosive deposits could exist, if unmitigated
Oil 2250 2300 low spot; probability of accumulation 0.5 fraction of year that corrosive deposits could exist, if unmitigated
Oil 1050 1450 low spot; probability of accumulation 0.7 fraction of year that corrosive deposits could exist, if unmitigated
Gas 1050 1450 low spot; probability of accumulation 0.3 fraction of year that corrosive deposits could exist, if unmitigated
HVL 1200 1300 low spot; probability of accumulation 0.02 fraction of year that corrosive deposits could exist, if unmitigated
Area Default low spot; probability of accumulation 0.1 fraction of year that corrosive deposits could exist, if unmitigated
HVL 0 1200 low spot; probability of accumulation 0.0005 fraction of year that corrosive deposits could exist, if unmitigated
HVL 1300 2250 low spot; probability of accumulation 0.0005 fraction of year that corrosive deposits could exist, if unmitigated
HVL 2300 2400 low spot; probability of accumulation 0.0005 fraction of year that corrosive deposits could exist, if unmitigated
Gas 10 1400 ILI, MFL metal loss tool, date 2014
Gas 10 1400 ILI largest remaining defect after remediation 0.8 %wall thickness
Area Default valve sites above grade valves shown are above ground
Gas 0 10 valve
Oil 0 10 valve
HVL 1190 1200 valve
Gas 1190 1200 valve
HVL 1400 1410 valve
Gas 1400 1410 valve
Gas 2310 2320 valve