Corrosion Control in Distribution Pipes - Ohiowater.org

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Corrosion - A Natural ProcessIRON OXIDE REFINING MILLINGIRON,STEEL,PCCP CORROSION IRON OXIDE
Corrosion Cell on Buried PipingCathodic Area( + )Anodic Area( - )StructureCurrent Flow ThroughSoil or Water
Page 1 and 2: Corrosion Control for Water &Wastew
Page 3: Corrosion
Page 8: Water(Electrolyte)Anodic Area(Corro
Page 11 and 12: Cast (Grey) IronFailuresGraphitizat
Page 13 and 14: Ductile IronPitting (concentrated)c
Page 15 and 16: PRACTICAL GALVANIC SERIESMaterialPo
Page 17 and 18: Copper Service Connections
Page 19 and 20: Water Wells
Page 21 and 22: Gate Valve Corrosion
Page 23 and 24: Corrosion Caused by DifferentialAer
Page 25 and 26: Impressed Current CP System on Oil/
Page 27 and 28: Stray Current
Page 29 and 30: Computerized Potential Logging Surv
Page 31 and 32: Polyethylene Encasement- Follow man
Page 33 and 34: Galvanic Anode on PolyethyleneEncas
Page 35 and 36: Cathode(Protected)Anode
Page 37 and 38: Thermit Weld to Pipe
Page 39 and 40: Access to Pipe
Page 41 and 42: Temporary Fix ?
Page 43 and 44: Water Leak Repair KitIncludes:Insta
Page 45 and 46: Cathodic Protection of Metallic Fit
Page 47 and 48: Meter Vaults(Keep dry if possible)
Page 49 and 50: For New or Refurbished Tanks
Page 51 and 52: Horizontally Submerged Cathodic Pro
Page 53 and 54: Corrosion of Clarifier Center Well
Page 55:
Depleted & Refurbished CathodicProt
Page 58 and 59:
Investigative Structure (Existing)C
Page 60 and 61:
TrafficDisruptionsWater LossFirePro
Page 62 and 63:
Design Decision ModelFor Ductile Ir
Page 64 and 65:
Computerized Potential Logging Surv
Page 66 and 67:
Vertically Suspended High Silicon C
Page 68:
Design Decision ModelFor Ductile Ir
Page 71 and 72:
The estimated annual cost to repair
Page 73 and 74:
New PipingPHASE I- Obtain drawings
Page 75 and 76:
Lower Stress Area(Cathode)PipeThrea
Page 77 and 78:
Insituform
Page 80 and 81:
Factory Installed Cathodic Protecti
Page 82 and 83:
Corrosion Control for WaterSystem P
Page 84 and 85:
Annual Cathodic Protection Survey
Page 87 and 88:
Corrosion is the leading contributo
Page 89 and 90:
Inspection of CP System
Page 91 and 92:
Structures- Piping (Distribution/Tr
Page 96 and 97:
History of Iron PipeCast Iron- Intr
Page 98 and 99:
CARBON ROD(CATHODE)+0.30mVWIRE(COND
Page 100 and 101:
Corrosion of iron when coupled to c
Page 102 and 103:
Dissimilar Surface ConditionsPipe(C
Page 105 and 106:
CP Benefits: - Triple life of coati
Page 107 and 108:
Coating Flaws (Holidays)
Page 109 and 110:
TrafficDisruptionsWater LossFirePro
Page 111 and 112:
Corrosion of pre-stressed concrete
Page 113:
Suspended Vertical Anode SystemSupp
Page 116 and 117:
Corrosion
Page 118 and 119:
PowerStationStray Current by DCOper
Page 120 and 121:
Give Me a BreakFundamentals of Pipe
Page 122 and 123:
Pipeline Inspection ReportInspector
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Corrosion Control in Distribution Pipes - Ohiowater.org

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