Page 314 - Pipeline Risk Management Manual Ideas, Techniques, and Resources
P. 314
Station risk variables 131291
tank-racking visual inspection thermal reliefdevices
tankdepth of water bottoms thermal relief valves-inspectionimaintenance
tank4iameter torque specsltorque inspections
tank4ouble bottom traffic exposures-airimarine
tank--external liner type traffic exposures-ground outside station
tank-xternal loads consideredidocwnented traffic exposures--overall susceptibility
tank-foundation condition traffic exposures-preventions
tank-foundation inspection traffic exposures-ground within station
tank-foundation risk factors present traffic panernslroutingiflow
tank-height training-completeness of subject matter
tank-inspection for external atmospheric coi Tosion training-job needs analysis
tank-inspection frequencies training-testing, certification, and retesting
tank-internal anode distribution use of colorslsignsllocksi"idiot-proofing"
tank-level alarm (H only) use of temporary workers
tank-level alarm actions-alarm only UST-material of construction
tad-level alarm actions-station shutdown UST pressure
tank-level alarm actions-tank isolation UST volume
tan!-level alarm types UST-number of independent walls
tank--1evei alarms (H and HH) vacuum truck(s)
tank-level alarms test frequency vessel level safety systems
tank-metal loss inspections vibration
tank-mixers (erosion-corrosion) vibration: antivibration actions
tan!-pressure wall thickness
tanl-repair history walls < 6 A high
tank-roof type, cone walls > 6 A high
tank-roof type, internal floating water bodies nearby
tank-roof type, external floating water body type (river, stream, creek, lake. etc.)
tank-seam condition water intakes nearby
tank-settlement inspectionskistory weather events-floods
tank-stairway fencing and locks weather events-freeze
tad-turnover frequencyifill cycles weather events-hailhceisnow loading
tank-under-tank monitor weather events-lightning
tad-visuals external inspection weather events-potential
tank-visuals external inspection frequency weather events-windstorm
tank-volume wetlands nearby
tad-wall inspection for internal corrosion workplace ergonomics
tank-wall temperature > 60'F workplace human stress environment
tad-wall thickness > 0.5 in.
