Corrosion Control in Distribution Pipes - Ohiowater.org

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Corrosion of iron when coupled to copper service line.
Corrosion Pitting
Page 1 and 2:
Corrosion Control for Water &Wastew
Page 3 and 4:
Corrosion
Page 5 and 6:
Corrosion Cell on Buried PipingCath
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 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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