08 Cathodic Protection

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CATHODIC PROTECTIONCAIROMATIC

CLIENT PROJECT TITLE LOCATION

Suez CanalAuthority

The Design, Supply & Installation ofan impressed current cathodicprotection system for steel siphonscarrying high tension cables andcrossing Suez Canal at Searabyom.

SerabyomIsmailleya Governorate

Egypt

WEPCO - Egypt The Design, Supply & Installation ofoffshore gas pipeline

Abu QirAlexandria Governorate

Egypt

Ameria PetroleumCompany

The Design, Supply & installation ofthe cathodic protection system

protecting a crude pipeline.

MexAlexandria Governorate

Egypt

The EgyptianElectrical Authority

Design, supply & installation of thecathodic protection system 2 oil filledsteel pipelines carrying high tensioncables.

1st line: Cairo North Sabteya

2nd line: Cairo East Heliopolis

WEPCO _Alexandria

Installation, commissioning and start-up of all equipment related to a newoffshore antifouling system for theplant water intake pipeline.

Maadeya Abu QirAlexandria Governorate

Egypt

Ras Sidr CityCouncil

Design, supply & installation of thecathodic protection system protectingthe pipelines

Ras Sidr CitySouth Sinai Governorate

Egypt

Nwebaa CityCouncil - NorthSinai

Design, supply & installation of thecathodic protection system to protect2 water intake pipelines withinNoebaa desalination plant.

Nwebaa CityNorth Sinai Governorate

Egypt

GPC - Egypt Design, supply & installation of thecathodic protection system to protect

the main gas pipeline within El Amalgas separation plant.

Ras El DeebRed Sea Governorate

Egypt

GPC - Egypt Design, supply & installation of thecathodic protection system to protectthe main gas pipeline within Gamaproject.

Ras ShokeirRed Sea Governorate

Egypt

New DamiettaHarbor - Egypt

Design, supply & installation of thecathodic protection system to protectthe harbor dock & submersible steelstructures.

New Damietta HarborDamietta Governorate

Egypt

IMC Egypt Design, supply & installation of the Abu Tartour


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cathodic protection system to protect12 separate vertical well casing withinthe New Valley Phosphate Project.

New Valley GovernorateEgypt

Suez CanalAuthority

Design, supply and supervision of theinstallation of the cathodic protectionsystem to protect 01 steel siphoncrossing the Suez Canal at km46.200

KantaraIsmailleya Governorate

Egypt

Suez CanalAuthority

Design, supply and supervision theinstallation of the cathodic protection

system to protect 02 siphonscrossing the Suez Canal near PortSaid.

ReswaPort Said Governorate

Egypt

Suez CanalAuthority

Design, supply and supervision theinstallation of the cathodic protectionsystem to protect 01 siphon crossingthe Suez Canal near Port Said.

Port Said GovernorateEgypt

Suez CanalAuthority

Design, supply and supervision theinstallation of the cathodic protectionsystem to protect 02 siphons

crossing the Suez Canal at km 136 &km 149 near Suez.

Suez GovernorateEgypt

Suez CanalAuthority

Design, supply and supervision theinstallation of the cathodic protectionsystem to protect 01 siphon crossingthe Suez Canal near Port Said.

ReswaPort Said Governorate

Egypt

GPC - Egypt Design, supply and installation of thecathodic protection system to protectthe offshore sea pipeline at RasGhareb.

Ras Ghareb CityRed Sea Governorate

Egypt

Tanta Refinery Design, supply and installation of thecathodic protection system to protectthe external surface of 02 steel crudeoil storage tanks within TantaRefinery Plant.

Tanta CityGharbeyia Governorate

Egypt

Suez CanalAuthority

Design, supply and supervision theinstallation of the cathodic protectionsystem for Sheikh Zayed bondsiphon.

Defreswar Kantara -Ismailleya Governorate

Egypt

AgriculturalDevelopmentOrganization

Design, supply and installation of thecathodic protection system for 2 liftingstations.

Nakrah ValleyAswan Governorate

Egypt


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Suez CanalAuthority

Design, supply and supervision theinstallation of the cathodic protectionsystem to protect 02 siphonscrossing the Suez Canal at km 4,5near Port Said.

Port Said GovernorateEgypt

Nwebaa CityCouncil

Design, supply & supervision theinstallation of the cathodic protectionsystem within the thermal condensingplant.

Nwebaa CityNorth Sinai Governorate

Egypt

Obour Council Design, supply & supervision theinstallation of the cathodic protectionsystem of the citys pipeline.

Obour City

Suez CanalAuthority

Design, supply and supervision theinstallation of the cathodic protectionsystem of the principal lines siphonscrossing the Suez Canal.

Port Said Governorate

The ArabianInternationalCompany forContracting

Design, supply and supervise theinstallation of the cathodic protectionsystem of maritime line & metalliccurtains - electric station of OyounMoussa.

Sinai GovernorateEgypt


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OFSHORE PIPELINES AND SHEET PILES CATHODICPROTECTION SYSTEM FOR OYOUN MOUSSA

ELECTRIC STATION

Client:The Arabian International Company forContracting.

Location:Oyoun Moussa (180 Km Eastern Cairo) Sinai Governorate Egypt.

Contract Value:

US $ 580,000,--

Project Duration:11/1998 5/1999

Project Data:

Area 1 pipeline 2800 Mt. ( 2000 Mt. offshore, 800 Mt. onshore) , = 250 mmArea 2 Skimmer wall consists of sheet piles 2650 m2 surface area.Area 3 Out full structure consists of sheet piles 3200 m2 surface area.

Project Description:

Area 1 Design, supply, and erection of impressed current Cathodic protection system forthe 2800mt. pipeline using one rectifier unit, and horizontal Ground bed containsno.10 Ferro - silicon anodes.

Area 2 Design, supply, and erection of the Cathodic protection system for the skimmer wallby using impressed current system containing one rectifying unit, no.12 Ferro -silicon anodes Groundbed.

Area 3 Design, supply, and erection of the Cathodic protection system for out full structurewhich consist, of a number of sheet piles with total external surface area of 3200 m2by using sacrificial anodes system. Protection system consists of no. 48 Aluminum /indium activated anodes each 58 kgs.



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CATHODIC PROTECTION SYSTEM FOREL-SHEKH ZAYED BOND SYPHON

Client:

Suez Canal Authority

Location:

Defreswar - Kantara - IsmailleyaGovernorate (140 km Eastern Cairo)

Egypt

Contract Value:

US $ 350000,--


Project Data:

No. 04 of pipelines each = 2.1 Mt. and 450 Mt. Length each.


Design, supply and supervision on the installation of El - Sheikh Zayed bond siphon. Thesiphon crosses Suez Canal and consists of no. 04 parallel pipelines, each 2.1 m diameter, 450m length. Cathodic protection system is implemented by using impressed current system thatcontains no. 04 transformer rectifier units each unit impresses DC current through horizontalground bed, 40 mt length, 2mt. depth and 0.5mt. width. The Ground bed contains no. 10 siliconanodes of 110 Ib. weight. This system is designed to protect external siphon surface. Equipotential bonds between the four pipes was a must to prevent different potential distribution.Potential level 996 mv negatively.



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WATER INTAKE PIPELINE FOR AL- ARISH CORAL BEACHRESORT ANTI - FOULING SYSTEM

Client:

EMAC Company For Contracting

Location:

Al - Arish city (450 km Eastern Cairo)North Sinai Governorate - Egypt.

Contract Value:

US $ 290.000.--


Project Data:

Intake pipeline = 1.5 m, Q = 506 m3/hr


Design, supply and installation for Anti-Fouling system using one rectifier unit 40V, 30A andone head unit consisting of no. 15 copper anodes each weighing 30 kgs and no. 15 aluminumanodes each weighting 5.5 kgs. This system is capable to avoid the fouling phenomena insidepipeline. The anode units are constructed on the intake and connect the copper and aluminumto the positive side of the rectifier unit and the negative side is connected to pipeline. Quantityof water passing inside pipeline starting from the head units.The system discharges cupric ions into the water, which prevents settlement of organisms and

the development of fouling. Additionally, the dissolved aluminum forms a hydroxide floc,which is carried through the system. Aluminum ions are incorporated into the surface films,modifying them into a stable and protective form, thus mitigating the corrosion process inferrous seawater systems.



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CATHODIC PROTECTION SYSTEM OF NO. 20

SIPHONS UNDER SUEZ CANAL

Client:Suez Canal Authority

Location:

Under Suez Canal - Different locations Egypt.

Contract Value:

US $ 5,000,000,--

Projects duration:From 1993 - 1998

Project Data:

Pipe line siphons under Suez Canal each

450 Mt. Length, = 400 mm


Design, supply and installation of Cathodic protection system of no. 20 pipeline siphons each450 Mt. length and 400 mm diameter by using impressed current systems. Each systemconsists of one Rectifier unit and no. 02 platen titanium anodes. This kind of anodes is usedeffectively in both fresh water and sea water applications such as off-shore structures.Platinum has excellent corrosion resistance, low consumption rate and high performance toavoid corrosion along the system lifetime.Transformer Rectifier unit was built to maintain protection level constant automatically

reference to silver / silver chloride half cell to over-come tidal water level effect. Protection levelwas mentioned at level of 1000 mv negatively.



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CATHODIC PROTECTION SYSTEM OF THE OFFSHORE

SEA PIPELINE AT RAS GHAREB

Client:

G.P.C Egypt

Location:

Ras Ghareb city Red Sea Governorate350 km Eastern Cairo

Contract Value:

US $ 385,000,--


Project Data:

Offshore pipe line = 30 inch, 8km. length


Design, supply and installation of cathodic protection system for off shore pipeline by usingsacrificial Aluminum anodes. Each anode is fabricated as bracelet to ease connection topipeline. Anode assembly consisting of no. 06 segments each weighing 25 Kgs. Pipeline isprotected by using no. 80 anodes. The distance between each two anodes 100 Mt. theCathodic protection level registered - 1.0 volt. LLOYDs register acted as third party coveringdesign approval as well as reviewing commissioning reports. Number and size of anodecalculated to match the concrete negative Jacket as well as maintain fair potential distribution.The anodes have excellent corrosion resistance, suitable consumption rate and highperformance to avoid corrosion along the system lifetime.



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Client:

Nwebaa City Council

Location:

Nwebaa City (550 Km eastern Cairo)

Sinai Governorate Egypt.

Contract Value:

US $ 180,000,--

Project Duration:

3/1994 9/1994

Project Data:

No.04 Tanks = 13 Mt., 9 Mt. height


Execute the design, supply and installation of Cathodic protection system for tanks using twoseparate systems. The first system for external tank protection using no. 09 magnesiumanodes distributed around tank base. The second system consist of using aluminum anodesas sacrificial anodes to protect the internal surface of tanks, no. 08 anodes used for each tankeach anode weight 22 kgs. Protection level registered 0.95 V for external surface referenceto Cu/CuSo4 and 0.99 V for internal surfaces reference to silver / silver chloride half cell.


CATHODIC PROTECTION SYSTEM OF INTERNAL SURFACES

AND THE BOTTOMS OF THE THERMAL CONDENSATIONPLANT TANKS


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CATHODIC PROTECTION SYSTEM FOR NO. 12 SEPARATEVERTICAL DEEP WELL CASING WITHIN THE NEW VALLEYPHOSPHATE PROJECT

Client:IMC - Egypt

Location:

Abo Tartour - New ValleyGovernorate (900 km South WestCairo ) Egypt

Contract Value:

US $ 290,000.--


Project Data:

No.12 deep well casing25 m. Depth, = 400 mm


Design, supply and installation of no. 12 separate Cathodic protection system usingimpressed current system. Each system consists of one rectifier and no.04 ferro - siliconanodes to protect external surface of well casing.Aluminum wire anode used to protect both the internal surfaces of well casing and the pumpriser sacrificially. The standard 14.5 silicon iron alloy resists a wide variety of aggressivecorrosives. This kind of anodes is used for onshore application.One of the major points taken into consideration during system integration, is the preventionof interacting interference between well Jackets.



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CATHODIC PROTECTION SYSTEM TO PROTECT THE HARBOR DOCK

AND SUBMERSIBLE STEEL STRUCTURE

Client:

New Damietta Harbor.

Location:Damietta City (250 km north Cairo) Dameitta Governorate Egypt.

Contract Value:

US $ 345,000.--


Project Data:

Protect Harbor dock and Submersible steel structure.


Design, supply and installation of impressed current Cathodic protection system For land wordside and sea word side of all driven steel structures as well as cells sheet pilling in water andmud Zone using two rectifiers 200 A DC output and 40 Ferro- silicon anodes to protect land wordside and no. 12 platinized titanium anodes to protect the harbor dock sea water side of sheetPilling. This system has proven to operate effectively in fresh, brackish and salt water. Theanodes used in this application has low consumption rate and capable to achieve a design life of20 years or more.Transformer rectifiers were produced with constant voltage automatic control to over come tidalwater level changes. Potential level recorded for 24 hours with a level of 1000 mv

100 mv.



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CATHODIC PROTECTION SYSTEM FOROFFSHORE GAS PIPELINE

Client:

WEPCO Company

Location:

Abo Qir Alexandria (220 km WesternCairo) Egypt.

Contract Value:

US $ 380,000.--


Project Data:

Offshore gas pipeline 3000 m. length, = 250 mm


Design, supply and installation of Cathodic protection system for offshore gas pipeline byusing sacrificial Aluminum anodes. Each anode is fabricated as bracelet to ease theconnection to the pipeline. Anode assembly consists of no. 04 segments each weighing22Kgs.The Pipeline is protected using no. 40 anodes. The distance between each two anodes 75mt.These kinds of anodes are designed for superior performance in a salt-water environment.Anodes dimension, weight and spacing was calculated to operate for 20 years with a very

flaty homogenous potential profile.Chathodic protection level ranges between - 990 to mV to 950 mV.



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CATHODIC PROTECTION SYSTEM OF VARIOUS PIPELINESFROM 1970 TO 1985 IN EGYPT FOR PETROLEUM COMPANIES

Client:

Petroleum Companies.

Location:

Egypt

Contract Value:

US $ 8,500,000,--


Design, supply and installation of Cathodic protection system for various pipelines from 1970to 1985 in different sites by using impressed current and sacrificial anodes systems.Pipelines length 360 km approximately with a diameter varying between 250 mm to 400 mm,different type of coatings and different soil conditions.Cathodic protection systems using indium activated aluminum anodes, Zinc anodes, Ferro-silicon anodes and Magnesium anodes. Interference bonding as well as equipotential pointsare selected and located in a way to prevent Pipe lines from interactive Corrosion. Straycurrent drain station installed at hot points to stop severe concentrated corrosion action.Each system designed by CAIROMATIC and approved by LLOYDS registered as third partyinspector.

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08 Cathodic Protection

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