OPERATION AND MAINTENANCE MANUAL

JOB No.: P12504-AF

CUPRION™ ELECTROLYTIC MARINE GROWTH

ANTI-FOULING SYSTEM FOR

PLTU 2 SULAWESI UTARA (2 X 25 MW) PROJECT

FOR PT. WIJAYA KARYA (Persero) Tbk.

CONTRCT No.: TP.02.01/E.SLU.001/ PO/ 01 / 2010

CLIENT: PT PLN (Persero)

Document No.: 10/P12504/AFU-01

Date: 22 June 2010
Issue: 01
CONTENTS

1.0 Introduction To The ‘Cuprion’™ System ................................................................. 3

2.0 The System ............................................................................................................ 4
2.1 System Description ............................................................................................. 4
2.2 System Design Criteria ....................................................................................... 4
2.3 Environmental Criteria ........................................................................................ 4
2.4 Control System Capability................................................................................... 4
2.5 Power Requirement ............................................................................................ 5
2.6 Cabling System .................................................................................................. 5
2.6.1 Electrode ..................................................................................................... 5
2.6.2 Junction Box To Control Panel .................................................................... 5
3.0 System Components .............................................................................................. 6
3.1 Anti-Fouling Electrode ........................................................................................ 6
3.2 Control Panel ...................................................................................................... 6
3.2.1 Control Panel Operational Description ......................................................... 8
4.0 Installation Procedure............................................................................................12
4.1 Anti-Fouling Electrode .......................................................................................12
4.2 Control Panel .....................................................................................................13
5.0 Commissioning Procedure ....................................................................................14
5.1 Recommended Anode Current Settings / Dosing Level Criteria .........................14
5.2 Phase Controller PCB 021B ..............................................................................15
5.3 Alarm Board PCB 031 .......................................................................................16
6.0 Maintenance Schedule ..........................................................................................17
7.0 Fault Finding .........................................................................................................18
8.0 Contact Details ......................................................................................................19

Appendices

Appendix I Cable Datasheet

Appendix II Test Certificates
Appendix III Spare Parts & Major Components List
Appendix IV Drawing Register / Drawings

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1.0 INTRODUCTION TO THE ‘CUPRION’™ SYSTEM

Bio-fouling problems associated with sea water system are well known and if allowed
unchecked can cause complete blockage of pipes necessitating expensive repairs.
Barnacles, limpets, mussels and tubeworms can colonize pipe work rapidly once they
settle during bloom periods. To ensure plant efficiency settlement of bio-fouling must be
prevented.

The ‘Cuprion’™ system is an electrolytic copper/aluminium anti-fouling system,

automatically controlled for the prevention of bio-fouling in a pumped marine environment.
The method is based upon the use of impressed current on copper and aluminium anodes
which are themselves contained within an insulated steel frame which forms the cathode.
The anode/cathode electrode unit is suspended from the pump motor base within the
confines of the caisson so that all the water entering the pump must pass the electrode
unit.

Seawater is treated by the release of controlled quantities of copper ions into the intake
flow. This is achieved by passing a low d.c. current from the control panel, between the
anodes and cathode frame. The required dosage of copper ions to deter settlement is
extremely small and measured in micrograms per litre of seawater. Therefore, relatively
small quantities of copper are required to provide protection dependent upon the flow rate
and life required.

To ensure protection during pump standby conditions it is essential that an atmosphere of

copper ions is maintained in the area of the pump. The control system dictates the
dosage levels required during the operational and non-operational states of the pump.

The function of the aluminium anodes is to produce a floc of aluminium hydroxide. This
floc assists with transporting the copper ions. Additionally the aluminium hydroxide is
carried through the system to repair areas where the protective coating has been
damaged and provide corrosion protection.

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2.0 THE SYSTEM

2.1 System Description

Each of the 4 No. seawater intakes are fitted with an electrolytic anti-fouling electrode
screen, and dosing is provided to each unit at pre-determined levels to suit operational
conditions from it’s control panel. Drawing P12504-08 details the system arrangement.

2.2 System Design Criteria

Electrode Design Life: 2.5 years

Duty Cycle: Continuous operation

Pump Flow rate: 3,000 m³/hr

Dosing Levels: Pump Run Condition Copper 25 µg/L

Aluminium 4 µg/L
Pump Off Condition Copper 1.25 µg/L
Aluminium 0.2 µg/L

The dosing levels are a function of the anode current applied to the electrode. The
current levels are used to set-up the system to meet the criteria. Table 5.1 shows the
current settings.

2.3 Environmental Criteria

Control Panel: IP65 Oil Cooled

Outdoor Location
Max. Ambient 45ºC
Max Operational 65ºC

Junction Box IP66 Outdoor

Electrode Assembly IP67, submersible to 20m

2.4 Control System Capability

1 No. electrode circuit rated to:

Output Voltage: 0 to 6 V / 0 to 12 V

Output Current, Copper: 65 A

Output Current, Aluminium: 30 A

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2.5 Power Requirement

Single phase a.c. supply 120±10% V, 50/60Hz

Recommended protection: 16 A Type ‘D’ MCB

Typical Power Consumption (full operation): 2.28 kW

2.6 Cabling System

2.6.1 Electrode

The electrode screen is factory wired with a 10 metre cable tail for direct connection into
the junction box provided.

2.6.2 Junction Box to Control Panel

This cabling system is to be provided by the installer/other and must be selected and
protected to suit the environmental constraints and electrode circuit current requirements.
The maximum permissible volt drop is limited to 1 V to enable the electrode current to be
achieved on the 0 to 12 V output setting.

Note

When installing a 3 core cable, the cathode (-ve) conductor will carry the summation of the
copper and aluminium circuit currents.

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3.0 SYSTEM COMPONENTS

Refer to drawing schedule, Appendix IV

3.1 Anti-Fouling Electrode

Each electrode is supplied with high purity copper and aluminium anodes incorporated
into a zinc coated mild steel cathode framework encapsulated into end caps. The end
sections of the electrode unit are protected with a two part high build isocyanate cured
coal tar/epoxy resin based coating.

Each electrode is fitted with an integral cable, as detailed in Appendix I.

3.2 Control Panel

The control panel has regulated d.c. outputs to suit the specific electrode operating criteria
housed within the panel enclosure.

The panel rectifies the a.c. supply providing a controlled d.c. output for connection to the
electrolytic anti-fouling electrode assembly. One positive output is connected to the
copper anode and the other positive output is connected to the aluminium anode. The
negative return of the unit is commoned from the steel structure supporting the copper
and aluminium anodes.

The flow of d.c. current from each anode in an electrolytic anti-fouling system is required
to be constant for a given rate of flow of water. This requirement dictates that the d.c.
supply operates in a constant current mode and each d.c. supply is capable of being set
to any value of current within the maximum stated rating of the d.c. output. Each output
control system incorporates a current limit facility to prevent the maximum design current
being exceeded. It should be noted that the maximum output will be reduced should the
d.c. driving voltage to achieve the maximum current be greater than the 8 V d.c. available
from the unit.

The level of current to flow is different for each anode. The current to the copper anode
always a higher value than the aluminium anode.

In order to set the required current to each anode, a lockable potentiometer is

incorporated to adjust the output current level. It should be noted that each potentiometer
is capable of controlling full range of output up to the maximum limited value of each d.c.
output.

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 Access to the control panel internal door the multi point locking arrangement must be
opened. One key is supplied with the control panel taped to the viewing window. The
internal door is opened via two locks located on the door. Figure 1 shows the control
panel facia.

Supply On Pump Run Pump

Test Mode Running

Pump Run
Hours Counter

Voltmeter

Ammeter
4mm Jack
Plugs

Set Low
Cu/Al Selector Current
Switch

Low Current
Alarm

Set High
Current

Fig 1

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3.2.1 Control Panel Operational Description

The incoming a.c. supply is connected to the primary of the main transformers (fig 2 & 3)
via the door interlocked isolator and the miniature circuit breaker as applicable to the
respective electrode system (fig 4).

fig 2 fig 3

fig 4

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The supply also feeds a.c. voltage to the primary of the control circuit transformer (fig 5)
and the alarm relays (fig 6).

fig 5 fig 6

Control of output d.c. is achieved by controlling phase firing angle pulses derived from
control module pcbs (fig 7). The firing angle is controlled by multi-turn potentiometers
fitted to the control facia and identified as ‘set low current’ and ‘set high current’ for each.

fig 7

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The output d.c. current is monitored via current shunts (fig 8) connected to ammeters
mounted on the inner door, scaled appropriately to read directly in amps the current
flowing to each electrode.

fig 8

The output d.c. voltage to the copper and aluminium anodes is monitored with voltmeters
mounted on the inner door and protected by 250mA fuses (fig 9).

fig 9

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An external pump running signal (volt free) energises the appropriate relay to select the
set dosing levels for both the electrodes’ copper and aluminium circuits.

The ‘SET HIGH CURRENT’ and ‘SET LOW CURRENT’ potentiometers set the dosing
levels and are user adjustable to meet with the design criteria.

A push button is provided to set the pump run condition dosing level without the pump
being required to run.

Low current dosing indication is provided and repeater volt free signals are provided for
remote monitoring/alarm purposes as standard.

All external connections are made to rail type terminals appropriately sized to suit
specified cables.

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4.0 INSTALLATION PROCEDURE

4.1 Anti-Fouling Electrode

Each electrode unit complete with cable, an attachment unit, a junction box and a single
control panel. Schematic drawing No. P12504-08 shows the general arrangement and
principle items of the system.

The cable tail from the electrode unit has three cores numbered 1, 2, & 3. Cable
connection is as follows:

Core
Copper Anode (positive) 1
Aluminium Anode (positive) 2
Steel Frame Cathode (negative) 3

1. Using suitable lifting equipment to take the weight remove the electrode unit from
its packing case using all four of the lifting lugs, as shown in fig.

2. Remove the shipping braces.

3. Lower the electrode unit into the intake using all four of the lifting lugs as shown in
figure 10.

4. Whilst the electrode unit is lowered into the intake, the cable tail must be unwound,
avoiding kinks and secured.

fig 10

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4.2 Control Panel

INSTALLATION MUST ONLY BE CARRIED OUT BY SUITABLY QUALIFIED

PERSONNEL AND MUST COMPLY WITH ALL THE APPROPRIATE LEGISLATION.

See schematic diagram and T-R unit rating plate for connections

Installation Procedure

1. The T-R units are designed to be mounted on a concrete plinth using the fixing holes
provided. See general arrangement drawing for detail. The tank should be positioned to
ensure all doors, covers and the sunshade are clear of obstruction.

2. When the T-R unit is located inside, ensure adequate ventilation for dissipation of heat
generated by the T-R unit. See Equipment specification max ambient operating
temperature.

3. The tank must be bonded to the AC supply system earth utilising the earth stud
provided at the bottom of the tank and at the AC supply terminals.
The output negative is isolated and is not to be earthed to the supply system.

4. Normal cable insulation checks are not to be carried out using megger equipment
without first disconnecting the T-R unit. Damage to semi conductors and PCB’s will
result if test voltages in excess of 1000V are applied.

5. Connect AC supply, DC output and signal cables to terminals as detailed on the

schematic diagram. Note all cable terminations should be crimped or other approved
method.

6. Fit sunshade using fixing kit provided.

Installation Checks Pre Switch On

1. Check that all terminal connections are tight.

2. Prove that anode and structure cables are connected correctly by checking polarity.

3. Check that any foreign matter is removed.

4. Check the oil level is visible on the sight gauge and is above the redline.

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5.0 COMMISSIONING PROCEDURE

Important: The copper and aluminium anodes are connected to the positive output of the
control panel whilst the steel framework of the electrode unit is connected to the negative
terminal of the control panel and becomes the cathode. See drawing P12504-04 for
control panel terminations.

For the safe operation of the system it is essential that the above polarity be
adhered to.

1. Prior to energising panel ensure that all potentiometers are turned fully anti-
clockwise.

2. The panel should be energised via the door-interlocked isolator and the
corresponding miniature circuit breaker (MCB).

3. Adjust copper high current potentiometer, in a clockwise direction, to the correct

operating level as specified in 5.1

4. Adjust aluminium high current potentiometer, in a clockwise direction, to the

correct operating level as specified in 5.1

5.1 Recommended Anode Current Settings / Dosing Level Criteria

Description Of Pump Specific Reading Pump Condition Current Settings

ON 63.2 A
Copper
OFF 3.15 A
Cooling Pumps
ON 26.6 A
Aluminium
OFF 1.30 A

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5.2 Phase Controller PCB 021B

VR1

VR2
There is only 1 user adjustable potentiometer on the PCB. These have the following
functions:

VR1

This is factory set and must not be adjusted otherwise.

VR 2

This is the current limit setting potentiometer and may be used to set the maximum
current allowable from the unit regardless of the position of the main current adjustment
from the transformer rectifier. This is a 10-turn device and fully clockwise allows for the
maximum current output. Turning the adjuster in an anticlockwise direction progressively
limits the maximum current

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5.3 Alarm Board PCB 031

Adjustable multi-turn potentiometers are provided for limit settings and relays provide a
changeover contact for remote signalling and control purposes outside of these settings.
The module also has provision for powering alarm LED indicators on the control fascia.
Relays are only fitted for the alarm mode(s) specified

VR1 VR2

There are two user adjustable multi-turn potentiometers, VR1 & VR2, fitted to PCB 031
and the following procedures should be adopted to effect satisfactory set-up and
operation.

VR1

This sets the ‘High Level Alarm’.

Note

‘High Level Alarm’ facility is a non-standard option

VR2

This sets the ‘Low Level Alarm’ and is factory set.

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6.0 MAINTENANCE SCHEDULE

1. Check operation of the system every week and record readings.

2. Keep the T-R unit clean and ensure all doors and covers are closed, sealed and locked
when unattended.

3. Check the tightness of all connections every 6 months. Ensure the unit is switched off
at the site supply before check.

4. Test any RCD’s and ELCB’s periodically.

5. Check calibration of system annually.

6. Check the anti-condensation heater and thermostat control function correctly annually if
fitted.

7. Maintain oil level. Ensure oil level between black and red line when cold. Note only fill
with transformer insulating oil approved by CPCL.

8. Annually inspect the desiccant gel breather crystal conditions:

Change the breather cartridge or replace the crystals when the crystal colour changes
from orange to green up to the red line indicator
To replace the desiccant crystals:
- Unscrew the cartridge from the pipe using a spanner. Do not turn by hand.
- Remove the perforated cover in the top of the moulding.
- Empty the spent crystals.
- Fill the container with active orange crystals.
- Replace the perforated cover and washer.
- Screw the recharged breather back in place using a spanner.

9. Procedure for gaining access to components under oil :

- Isolate the T-R unit from the site AC supply.
- Remove the frame carriage securing fixing located at the top of the
carriage.
- Using lifting equipment lift the carriage out of the tank ensuring the cables
do not catch during process. The cables are long enough for the carriage
to be place on the ground beside the tank.
- When replacing carriage ensure cable are not snagged and all securing
fixing are replaced.

WARNING
THE FRAME IS HEAVY AND COULD CAUSE SERIOUS INJURY IF DROPPED.
TAKE THE APPROPRIATE PRECAUTIONS AND DO NOT STAND UNDER OR NEAR
RAISED CARRIAGE.

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7.0 FAULT FINDING

No indicated d.c. output and supply on indicator not illuminated:

1. Check isolator not in open position.

2. Check MCB is energised for correct circuit

3. If still no d.c. output check potentiometer is not fully anti-clockwise. Turn clockwise
to increase output

4. Check d.c. fuse is not blown

5. Check HSF1 & 2 are not blown

6. Check primary volts to TFMR1, if ok check secondary volts

7. If all above ok then the rectifier unit should be replaced.

No indication of supply on:

1. Check supply on

2. Check supply on neon by replacing

No d.c. voltage being indicated but ammeter is reading current:

1. Check voltmeter fuses VF1 and VF2

2. Check voltmeter terminals, if voltage there but no reading then replace voltmeter

No indicated d.c. output current, but voltmeter is reading d.c. voltage:

1. Check dc output fuse (DSF).

2. Check that external output circuit is not open circuit

3. Check shunt signal by connecting milli-voltmeter on mVdc across shunt at

ammeter and check mV proportional to current.

No change over from pump off to pump running when pump is energised:

1. Check relay No.1 is operating correctly. If in doubt replace.

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8.0 CONTACT DETAILS

Cathodic Protection Co Limited

Venture Way
Grantham
Lincolnshire
NG31 7XS

Tel: +44 (0)1476 590666

Fax: +44 (0)1467 570605
Email: cpc@cathodic.co.uk
Web: www.cathodic.co.uk

In all correspondence please quote reference number P12504, and anti-fouling unit and
control panel serial numbers.

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 APPENDIX I

CABLE DATASHEET

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General
Number of Cores 3
Core diameter 25mm²
Tinned annealed copper conductors, EPR
Construction insulated/ZHAL bedded/galvanised steel wire braid
armoured/ZHAL sheathed low smoke.

Physical Details:
Overall diameter 29.8 mm
Laid up diameter 20.8 mm
Radial thickness of bedding 1.6 mm
Weight in air 1,640 kg/km

Electrical Characteristics
Maximum conductor resistance 0.727 ohms/km
Spark test voltage 6 kV
Working voltage 1000 volts
Insulation resistance core to core >500 Megohms

Standard
BS 6883

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 APPENDIX II

TEST CERTIFICATES

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 APPENDIX III

SPARE PARTS & MAJOR COMPONENTS LIST

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Commissioning / Start Up Parts Supplied:

Reference to drawing No. P12504-04

PART QTY COMPONENT DESCRIPTION CIRCUIT BUILD

No. REFERENCE LOCATION
DC OUTPUT AND SEMI-CONDUCTOR FUSE BACKPLATE &
22 6 35A DCF2 HSF 3-4 TANK TOP PLATE
23 4 SEMI-CONDUCTOR FUSE 100A HSF1-2 TANK TOP PLATE
24 2 DC OUTPUT FUSE 80A DCF1 BACKPLATE
58 4 CONTROL FUSE 10x38 4A CF1-2 BACKPLATE
63 5 VOLTMETER FUSES 5x20mm 250mA F VF1-2 BACKPLATE
64 6 CONTROL FUSES 5x20mm 1A T CF4-7 BACKPLATE
65 3 CONTROL FUSES 5x20mm 2A T CF3 BACKPLATE

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Parts List:

PART QTY COMPONENT DESCRIPTION CIRCUIT BUILD

No. REFERENCE LOCATION
1 3 SET OF HARDWARE FOR SOUTHCO FREE ISSUE
LATCHES
2 4 RUBBER WASHER TANK-CAB BUSH
3
4 1 CONTROL TRANSFORMER A-DTMFR BACKPLATE
5 1 TRANSFORMER. TMFR1 TFMR SUPPORT
BRACKET
6 1 TRANSFORMER. TMFR2 TFMR SUPPORT
BRACKET
7 1 CHOKE 1.5MH AT 65A DC. L TFMR SUPPORT
BRACKET
8 1 CHOKE 3MH AT 30A DC. L TFMR SUPPORT
BRACKET
9
10 1 SUNDRY ITEMS. MISC
11
12 1 HOURS RUN METER 230V 50Hz HOURS RUN FASCIA
13 1 DIGITAL VOLTMETER V FASCIA
14 1 DIGITAL AMMETER A FASCIA
15
16 1 OIL SIGHT GAUGE & THERMOMETER TANK ACCESSORIES
17
18 3 HINGE LIFT OFF ST/ST FREE ISSUE
19 2.5 SELF GRIPPING GASKET (PRICE PER DOOR FREE ISSUE
METER)
20
21
22 6 DC OUTPUT AND SEMI-CONDUCTOR DCF2 HSF 3-4 BACKPLATE AND
FUSE 35A TTPLATE
23 4 SEMI-CONDUCTOR FUSE 100A HSF1-2 TANK TOP PLATE
24 2 DC OUTPUT FUSE 80A DCF1 BACKPLATE
25 2 BI-PHASE BRIDGE RECTIFIER BRIDGE TANK UNDER OIL
26
27 4 FASCIA PLATE CUT AND PUNCH ONLY INNER HINGED PANEL
28 4 FASCIA PLATE PRINTED INNER HINGED PANEL
29 1 CPCL RATING PLATE PRINT INNER HINGED PANEL
30 1 CPCL NAME PLATE 316L ST/ST CAB DOOR
31
32 2 LOCATING PINS FREE ISSUE
33 4 PILLAR 20mmDIA 20mmL M8 TAPPED FREE ISSUE
ST/ST303
34
35 2 SHUNT WIRE TYPE 75mV 70A AS TANK TOP PLATE

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36 1 SHUNT WIRE TYPE 75mV 35A AS TANK TOP PLATE
37
38 1 3/4" BSP PULLED BEND FREE ISSUE
39
40 2 1" T0 3/4" BSP REDUCING BUSH TANK-CAB BUSH
41 1 1/2" BSP HEX NIPPLE 316L STAINLESS OIL DRAIN VALVE
42 1 1/2" BSP PLUG SQUARE GALV W.IRON OIL DRAIN VALVE
43 1 3/4" BSP PLUG SQUARE 316L OIL FILLER PLUG
STAINLESS
44 2 1" BSP SOCKET THD. FREE ISSUE
45 1 3/4" BSP SOCKET THD. FREE ISSUE
46 1 1/2" BSP SOCKET THD. FREE ISSUE
47 1 0.5"BSP BALL VALVE BRASS OIL DRAIN VALVE
48 0 0.5"BSP BALL VALVE ST/ST 316L OIL DRAIN VALVE
49
50 2 HI/LO ALARM BOARD B3-4 BACKPLATE
51 2 THYRISTOR CONTROL BOARD B1-2 BACKPLATE
52
53 1 LABEL DANGER ELECTRICITY INNER HINGED PANEL
54
55 300 LITRE OF INSULATING OIL (LITRES) OIL
56
57 1 MAIN CIRCUIT BREAKER MCB BACKPLATE
58 4 CONTROL FUSE 10x38 4A CF1-2 BACKPLATE
59
60 1 SUPPLY ON LED 230V RED CH FASCIA
61 1 PUMP RUNNING LED 230V GREEN CO FASCIA
62 4 HI/LO ALARM LED YELLOW SH FASCIA
63 5 VOLTMETER FUSES 5x20mm 250mA F VF1-2 BACKPLATE
64 6 CONTROL FUSES 5x20mm 1A T CF4-7 BACKPLATE
65 3 CONTROL FUSES 5x20mm 2A T CF3 BACKPLATE
66 2 VARISTOR VR TERMINAL PLATE
67 4 4mm SOCKETS BLACK AMPS/VOLTS 4mm TEST SCKT FASCIA
68 4 4mm SOCKETS RED AMPS/VOLTS 4mm TEST SCKT FASCIA
69 1 KNOB 16.2 DIA 6mm SHAFT SW FASCIA
70 2 SWITCH BUTTON CAP PB MS FASCIA
71 1 SWITCH PB FASCIA
72 1 SWITCH MS FASCIA
73 1 SWITCH WAFER TYPE 3POLE 4WAY SW FASCIA
74 4 SPINDLE LOCK RV FASCIA
75 4 POTENTIOMETER 10 TURN 10K RV FASCIA
76

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77 7 FUSE HOLDER CF VF BACKPLATE
78 4 AC TERMINALS WDU16 AC BACKPLATE
79 0 PARTITION WAP 16+35 BACKPLATE
80 4 DANGER ELEC SNAP ONS AC BACKPLATE
81 18 SIGNAL TERMINALS WDU 6 SIGNAL BACKPLATE
82 1 TERMINAL LINK 10 WAY WQV6/10 BACKPLATE
83 2 TERMINAL BLOCK 12 WAY MK3/12 G,K TANK TOP PLATE
84 3 DC TERMINALS WF10 DC BACKPLATE
85 2 PARTITION WTW WF10/WF12 DC BACKPLATE
86 10 END BRACKETS WEW35/1 BACKPLATE
87 1 DOOR INTERLOCKED ISOLATOR ISOL ISOL BRACKET
88 1 EXT SHAFT 330mm ISOL ISOL BRACKET
89 1 ISOLATOR SHROUD ISOL ISOL BRACKET
90 1 HANDLE DOOR INTERLOCK ISOL INNER HINGED PANEL
91 2 RELAY BASE 14 PIN RL BACKPLATE
92 2 RELAY 4 POLE C/O 240V AC RL BACKPLATE
93
94 1 TANK ASSEMBLY CABINET
95 1 CABINET DELIVERY TO CPC WORKS
96 0 MCB MOUNTING BRACKETS MCB/RCD INNER HINGED PANEL
97 4 WASHER TANK-CAB BUSH
98
99 1 DOOR LATCH PADLOCKABLE ST/ST FREE ISSUE
100 1 DOOR LATCH SPRING CLIP ST/ST FREE ISSUE
101 2 DOOR CATCH KEEPER ST/ST FREE ISSUE

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 APPENDIX IV

DRAWING REGISTER / DRAWINGS

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Drawing Register

CPC Drawing No. Description

P12504-01 Electrode Unit
P12504-02 Control panel general arrangement
P12504-03 Control Panel Facia Details
P12504-04 Control panel Circuit Diagram
P12504-07 Junction Box
P12504-08 Anti-Fouling Schematic

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OPENER Cuprion Anti Fouling 7/8/08 10:00 Page 1

SECTION
‘CUPRION’ ANTI FOULING

5.0 CONTENTS
5.0 ‘Cuprion’ Anti Fouling
Datasheet 5.0 7/8/08 09:59 Page 1

‘CUPRION’ ANTI FOULING DATASHEET 5.0

CUPRION ANTI FOULING

REVISION 1

Cathodic Protection Co. Limited have manufactured and supplied the electrolytic 'Cuprion'™ anti-fouling system since the
early 1970's to protect pumped sea water systems against marine growth. Today, the system is used by many of the
major oil and gas offshore operators to protect vertical sea water and fire water pumps on platforms. Other
applications include jetty fire pumps and sea water intake systems.

Benefits of the 'Cuprion'™ Ant-Fouling System Include:-

• Reduction in power requirements over alternative methods for fouling control.

• Low maintenance system

• Low power requirement

• No handling or storage of chemicals required

• Environmentally acceptable

• 35 years of proven experience

System Description
The method is based upon the use of impressed current on
copper and aluminium anodes which are themselves contained
within an insulated steel frame which forms the cathode. The
anode/cathode electrode unit is suspended from the pump
motor base within the confines of the caisson so that all the
water entering the pump must pass the electrode unit.

The ‘Cuprion’ system consists of two parts – the electrode unit

and control panel. The electrode contains a number of copper
and aluminum anode bars held together in a steel frame to
form the cathode. The actual number and size of the anodes is
configured to suit each installation and available space for
mounting the electrode unit. The anodes are connected to the
constant current rectifier located within a safe area.

The control panel is designed to regulate the anode currents in

both ‘pump on’ and ‘pump off’ condition, so that during the
pump standby condition an atmosphere of copper ions in the
local environment will maintain the pump free from fouling.
This feature is particularly useful for installation on fire pumps
that are generally operated for a short period each week.

Dosage levels of copper ions are extremely small and measured

in micrograms per litre of seawater. Therefore, relatively small
quantities of copper are required to provide protection
dependent upon the flow rate and life required.

Venture Way, Grantham, Lincs NG31 7XS UK. Tel: +44 (0)1476 590666 Fax: +44 (0)1476 570605 DATASHEET
Email: cpc@cathodic.co.uk Website: www.cathodic.co.uk 5.0
Registered Office: Minalloy House, Regent Street, Sheffield S1 3NJ, UK VAT No. 116 8408 71, Reg’d in England No. 478098
Datasheet 5.0 7/8/08 09:59 Page 2

‘CUPRION’ ANTI FOULING DATASHEET 5.0

CUPRION ANTI FOULING

REVISION 1

Application For Submerged Pumps

With extensive experience in the design of

‘Cuprion’TM systems, CPCL provides anti fouling
equipment for a wide variety of applications including :-

• Offshore sea water lift pumps

• Offshore fire water lift pumps

• Jockey Pumps

• Jetty Fire Pumps

• Industrial sea water cooling systems

Deck Mounted Option

For some applications traditional method of pump / electrode configuration may not be suitable. As an alternative we
offer the deck mounted system.

With the deck mounted 'Cuprion'™ anti-fouling system the anodes are located inside an tank through which sea water is
fed from the main sea water system. As the water passes through the tank the carefully controlled anode currents
ensure that the correct dosing level is applied for the particular application. The treated water is then piped down
directly to the pump suction. In this way several pumps can be protected against fouling from a single treatment
source. The Deck Mounted 'Cuprion'™ System is ideally suited for retro-fitting where the pump / electrode configuration
may not be possible.

DATASHEET Venture Way, Grantham, Lincs NG31 7XS UK. Tel: +44 (0)1476 590666 Fax: +44 (0)1476 570605
5.0 Email: cpc@cathodic.co.uk Website: www.cathodic.co.uk
Registered Office: Minalloy House, Regent Street, Sheffield S1 3NJ, UK VAT No. 116 8408 71, Reg’d in England No. 478098
 Marine Growth Anti-Fouling Systems

Cuprion™
SHIPS & MARINE VESSELS

Bio-Fouling of seawater intakes on Ships & Marine Vessels can be a major problem, causing expensive
equipment damage and pipework blockages, leading to shut down of vital seawater supplies.

In the case of FW and FI FI systems Crewe Safety and Activity

Reliability must be considered. In addition, repairs to damaged pumps,
valves and pipe work are both costly and time consuming.

Chief Engineers would consider any remedial actions involving pipe

section removal, repair, cleaning and re-installation as major
refurbishment work on any operating marine craft or vessel.

Cuprion™ - THE SOLUTION

Cathodic Protection Co. Limited has developed a range Cuprion™ anti-fouling systems to protect submerged
pumps, seawater intakes and associated pipework against marine growth. Originally the Cuprion™ system was
developed and utilised for application on Platforms in North Sea during the Early 1970’s.

Developing the system for use on Ships and Marine Vessels involved changes to hardware and installation
methods, Design requirements remained unchanged as Cuprion™ operates on proven electrolytic principles,
 Marine Growth Anti-Fouling Systems

Cuprion™
FIREWATER PUMP FOULING PREVENTION

Marine Growth Prevention is achieved by employing a small dc current flow (generally less than 0.5 Kw). This
current flow energises copper and aluminium anodes to produce a fully effective, anti-foulant dosing solution.
Selected dosing levels vary slightly to suit location and application, however maximum dosing limits utilised for
design purposes are 25 µg/litre and 4 µg/litre for copper and aluminium respectively.

Copper is a natural biocide /algaecide and provides

complete protection from marine growth with no
adverse environmental impact.

Aluminium anodes produce aluminium hydroxide, which

combines with the copper ions holding them in solution,
keeping pipe work blockage free. Aluminium hydroxide
also helps to arrest corrosion on internal pipe surfaces.

Where space or weight restrictions are design considerations, CPCL have developed systems that can be
mounted above or below deck. These systems utilise an electrolysis tank or Dosing Spool.

The Cuprion™ anodes are simply mounted in the electrolysis tank or Candu™ dosing spool and energised to
produce anti-foulant solution, which is delivered via suitably rated pipes or hoses. Several seawater intake
systems can be Marine Growth Protected from a single source,

Electrolysis tanks are generally mounted on a steel plinth along with the dc
power unit, making the complete system integral, ideal for maintenance
operations.

The Candu™ dosing unit can be mounted vertically or horizontally in any

accessible, convenient location.

Electrodes take around 30 minutes to replace whilst at sea or in a dry

dock, on these easy to maintain and flexible Anti-Fouling systems.

Cuprion™ - IN THE MARINE INDUSTRY

Cuprion™ systems have been installed on all types of Ships & Marine Vessels indicative list below.

Vessel Details Country Client Details

FPSO Support Vessels UAE Lamnalco Engine Cooling and Fire Fighting Systems.
.
Curlew AHTS UAE Lamnalco Engine Cooling and Fire Fighting Systems.
60 Metre AHTS Thailand Mermaid Maritime Central Cooling System
40 Metre Ferry Boat Croatia Divcom d.o.o Electrodes mounted in Fwd & Aft Sea Chests.
 Marine Growth Anti-Fouling Systems

Cuprion™
FIREWATER PUMP FOULING PREVENTION

NFPA 20 - Cuprion™ STANDARD RANGE

CPCL have developed a standard range to suit National Fire Protection Association directives in NFPA 20 –
Standard for the Installation of Stationary Pumps for Fire Protection. The selector chart overleaf indicates the
range of Cuprion™ systems available to suit NFPA 20.

NFPA 20 - Cuprion™ SCOPE OF SUPPLY

NOTES.

Items 2, 3,6,7,8 &10 provided by CPCL, remainder by others. CPCL can provide Items 4,9,11 & 12 upon request
and receipt of relevant information.

Standard TR Control Unit utilises M/Steel coated IP45 enclosure suitable for indoor installation, other specifica-
tions available upon request.

Electrode Unit cable tail employs multi-stranded, tinned copper conductor, CSA to suit current output.

System available in 12-14 weeks (Ex-Works) from Approved Documents/Purchase Order depending on client
requirements,
 Marine Growth Anti-Fouling Systems

Cuprion™
FIREWATER PUMP FOULING PREVENTION

NFPA 20 - Cuprion™ SYSTEM SELECTOR

Flow Rate Electrode Electrode Cuprion™ System

Life (Years) Weight (kgs) I.D. Code

Usgpm L/min
25 95 10 45 NFPA - 0025 - 10
50 189 10 45 NFPA - 0050 - 10
100 379 10 45 NFPA - 0100 - 10
150 568 5 45 NFPA - 0150 - 05
200 757 5 45 NFPA - 0200 - 05
250 946 5 45 NFPA - 0250 - 05
300 1,136 5 45 NFPA - 0300 - 05
400 1,514 5 60 NFPA - 0400 - 05
450 1,703 5 60 NFPA - 0450 - 05
500 1,892 5 60 NFPA - 0500 - 05
750 2,839 5 80 NFPA - 0750 - 05
1,000 3,785 5 90 NFPA - 1000 - 05
1,250 4,731 5 110 NFPA - 1250 - 05
1,500 5,677 5 145 NFPA - 1500 - 05
2,000 7,570 5 145 NFPA - 2000 - 05
2,500 9,462 5 170 NFPA - 2500 - 05
3,000 11,355 5 200 NFPA - 3000 - 05
3,500 13,247 5 245 NFPA - 3500 - 05
4,000 15,140 5 260 NFPA - 4000 - 05
4,500 17,032 5 310 NFPA - 4500 - 05
5,000 18,925 5 390 NFPA - 5000 - 05

Electrode unit weight may vary, sizing based on maximum practical weight, shorter electrode life can be
accommodated to suit project specific requirements.

CPCL shall provide a formal quotation for a standard NFPA 20 Cuprion™ within 2 working days from receipt
of a formal enquiry, email sales@cathodic.co.uk. For further visit our website at www.cathodic.co.uk.

.
 Marine
MarineGrowth
GrowthAnti-Fouling
Anti-FoulingSystems
Systems

Cuprion™
Cuprion™
OFFSHORE
OFFSHOREPLATFORMS
PLATFORMS

Bio-Fouling of water intake pumps and pipework on Offshore Platforms can be a major problem, causing
expensive equipment damage and pipework blockages, leading to shut down of vital seawater supplies.

In the case of fire water systems Crewe Safety and Structure Integrity
must be considered. In addition, repairs to damaged pumps and pipe
work are both costly and time consuming.

Maintenance Managers would consider any remedial actions involving

pipe section removal, repair, cleaning and re-installation as major
refurbishment work on any operating offshore facility.

Cuprion™ - THE SOLUTION

Cathodic Protection Co. Limited has developed a range Cuprion™ anti-fouling systems to protect submerged
pumps, seawater intakes and associated pipework against marine growth. Originally the Cuprion™ system was
developed and utilised for North Sea application during the Early 1970’s. Today the system is specified for use
on Offshore Platforms worldwide by many of the major Oil & Gas offshore operators.

Cuprion™ operates on electrolytic principles, employing a small dc current flow (generally less than 1 Kw). This
current flow energises copper and aluminium anodes to produce a fully effective, anti-foulant dosing solution.
Selected dosing levels vary slightly to suit location and application, however maximum dosing limits utilised for
design purposes are 25 µg/litre and 4 µg/litre for copper and aluminium respectively.

Copper is a natural biocide /algaecide and provides

complete protection from marine growth with no
adverse environmental impact.

Aluminium anodes produce aluminium hydroxide, which

combines with the copper ions holding them in solution,
keeping pipe work blockage free. Aluminium hydroxide
also helps to arrests corrosion on internal pipe surfaces.

The Cuprion™ system has been successfully applied on all types of seawater intakes from submerged pumps
to open intake sea chests. The design of the electrode units can be adapted to suit all application
requirements, but are usually flange mounted on submerged pumps or bolted to the wall of a sea chest.

Where space or weight restrictions are design considerations, CPCL have

developed a deck mounted system that utilises an electrolysis tank with required
seawater flow and return connections.

The Cuprion™ anodes are simply mounted in the tank and energised to produce
anti-foulant solution, which is delivered to the intake area via suitably rated pipes
or hoses.
 Marine Growth Anti-Fouling Systems

Cuprion™
OFFSHORE PLATFORMS

The electrolysis tank is generally mounted on a steel plinth adjacent to the dc power unit, making the complete
system integral, ideal for maintenance operations. Anti-Fouling electrodes take around 30 minutes to replace.

Cuprion™ - IN THE OFFSHORE INDUSTRY

Cuprion™ systems have been installed on all types of offshore structures worldwide, indicative list below.

Field/Platform Country Client System Details

Angostura Gas Project Trinidad BHP Billiton Firewater & Jockey Pumps. Deck Mounted System.
Cleeton UK BP Exploration Fire & Sea Water Pumps. Pump Mounted Electrodes.
Lyell Field Power Buoy. UK Monitor Oil Cooling Water Intakes. Sea Chest Mounted Electrodes.
Orlan, Sakhalin Island Russia Exxon Mobil Fire/Seawater Lift Pumps, Pump Mounted Electrodes.
Panna Capacity Enhancement India WPIL Seawater Lift Pump, Pump Mounted Electrode.
Rough Platform Upgrade UK Amec/Centrica Change from ECU to Cuprion™. Cooling, Fire & Service
Water. Pump Mounted Electrodes.

To obtain additional technical or product data sheets on our Anti-Fouling products please contact us on email
sales@cathodic.co.uk. For further information on CPCL visit our website at www.cathodic.co.uk.
Datasheet 5.0 7/8/08 09:59 Page 1

‘CUPRION’ ANTI FOULING DATASHEET 5.0

CUPRION ANTI FOULING

REVISION 1

Cathodic Protection Co. Limited have manufactured and supplied the electrolytic 'Cuprion'™ anti-fouling system since the
early 1970's to protect pumped sea water systems against marine growth. Today, the system is used by many of the
major oil and gas offshore operators to protect vertical sea water and fire water pumps on platforms. Other
applications include jetty fire pumps and sea water intake systems.

Benefits of the 'Cuprion'™ Ant-Fouling System Include:-

• Reduction in power requirements over alternative methods for fouling control.

• Low maintenance system

• Low power requirement

• No handling or storage of chemicals required

• Environmentally acceptable

• 35 years of proven experience

System Description
The method is based upon the use of impressed current on
copper and aluminium anodes which are themselves contained
within an insulated steel frame which forms the cathode. The
anode/cathode electrode unit is suspended from the pump
motor base within the confines of the caisson so that all the
water entering the pump must pass the electrode unit.

The ‘Cuprion’ system consists of two parts – the electrode unit

and control panel. The electrode contains a number of copper
and aluminum anode bars held together in a steel frame to
form the cathode. The actual number and size of the anodes is
configured to suit each installation and available space for
mounting the electrode unit. The anodes are connected to the
constant current rectifier located within a safe area.

The control panel is designed to regulate the anode currents in

both ‘pump on’ and ‘pump off’ condition, so that during the
pump standby condition an atmosphere of copper ions in the
local environment will maintain the pump free from fouling.
This feature is particularly useful for installation on fire pumps
that are generally operated for a short period each week.

Dosage levels of copper ions are extremely small and measured

in micrograms per litre of seawater. Therefore, relatively small
quantities of copper are required to provide protection
dependent upon the flow rate and life required.

Venture Way, Grantham, Lincs NG31 7XS UK. Tel: +44 (0)1476 590666 Fax: +44 (0)1476 570605 DATASHEET
Email: cpc@cathodic.co.uk Website: www.cathodic.co.uk 5.0
Registered Office: Minalloy House, Regent Street, Sheffield S1 3NJ, UK VAT No. 116 8408 71, Reg’d in England No. 478098
Datasheet 5.0 7/8/08 09:59 Page 2

‘CUPRION’ ANTI FOULING DATASHEET 5.0

CUPRION ANTI FOULING

REVISION 1

Application For Submerged Pumps

With extensive experience in the design of

‘Cuprion’TM systems, CPCL provides anti fouling
equipment for a wide variety of applications including :-

• Offshore sea water lift pumps

• Offshore fire water lift pumps

• Jockey Pumps

• Jetty Fire Pumps

• Industrial sea water cooling systems

Deck Mounted Option

For some applications traditional method of pump / electrode configuration may not be suitable. As an alternative we
offer the deck mounted system.

With the deck mounted 'Cuprion'™ anti-fouling system the anodes are located inside an tank through which sea water is
fed from the main sea water system. As the water passes through the tank the carefully controlled anode currents
ensure that the correct dosing level is applied for the particular application. The treated water is then piped down
directly to the pump suction. In this way several pumps can be protected against fouling from a single treatment
source. The Deck Mounted 'Cuprion'™ System is ideally suited for retro-fitting where the pump / electrode configuration
may not be possible.

DATASHEET Venture Way, Grantham, Lincs NG31 7XS UK. Tel: +44 (0)1476 590666 Fax: +44 (0)1476 570605
5.0 Email: cpc@cathodic.co.uk Website: www.cathodic.co.uk
Registered Office: Minalloy House, Regent Street, Sheffield S1 3NJ, UK VAT No. 116 8408 71, Reg’d in England No. 478098
 CUPRION ELECTROLYTIC
TM

ANTI FOULING

AN OVERVIEW

CLEARLY THE BEST

PROTECTION FOR YOUR
INVESTMENT
CUPRION ELECTROLYTIC ANTI FOULING
TM

THE PROBLEM

Hard fouling is the generic name given to the accumulation of the hydroid classification of
invertebrate. Examples include Barnacles, Limpets, Mussels and Tubeworms. A typical example
can be seen in the photograph which shows mussel colonisation of a marine pump.

Mussels in particular are prolific breeders which attach themselves to almost any submerged
surface (rocks, boats, piers, pipes and to each other) by secreting horny sticky threads. Egg
fertilisation and production occurs within hours of the water temperature rising above 12°C. After
hatching and as long as the water temperature stays between 14°C and 24°C the free swimming
larvae will appear in plankton and be dispersed by water currents. Spores can settle out if the
circulation velocities are low enough – under 1-1.5m/sec. Once the shell grows too heavy it will
attach itself to a suitable substrate by means of its threads. By the end of the first growing season
the female mussel can produce 30,000 to 40,000 eggs. Population growth is therefore rapid and
will spread quickly through a seawater system where the flow of water ensures a good food supply.

Marine Growth is therefore a problem in most oceans of the world, including colder environments
such as the North Sea. The consequences are of particular concern for submerged pumps and
water intakes. Initially resulting in reduced flows and pressure, untreated marine growth can lead to
complete blockage of pumps and pipe work. Fire pumps are particularly at risk due to their
infrequent operation

Picture shows typical example of hard fouling

1
CUPRION ELECTROLYTIC ANTI FOULING
TM

THE SOLUTION

The effectiveness of copper as a deterrent for marine growth has been well known for centuries.
Hulls of wooden sailing ships were clad in copper sheeting to maintain them free from growth.
Copper is a naturally occurring element in sea water and one which is necessary for marine life.
However by locally increasing the concentration of copper, an environment is created which
discourages marine growth. This environment is not toxic to marine life, but does prevent
settlement of the larvae and colonisation.

The Cuprion™ system uses an automatic control system to produce the copper ions from a solid
anode. Passing a low voltage DC current between the copper ‘anode’ and steel ‘cathode’ results in
the release of copper ions from the anode. By regulating the current, the level of copper dosing is
tailored accurately to each application.

A typical Cuprion™ installation for a submerged sea water pump is shown below

2
CUPRION ELECTROLYTIC ANTI FOULING
TM

The Cuprion™ electrode is mounted on the pump intake using a custom designed attachment unit.
Water being drawn into the pump passes over the Cuprion™ unit and ‘collects’ copper ions which
are being produced by the anode assembly. The treated water is then carried through the pump
and pipe work, preventing marine growth throughout the system.

The system automatically adjusts the output of copper ions to suit pump running conditions so that
the pump is constantly protected, even in standby mode.
Electrode life is usually matched to pump overhaul intervals, typically 5 years.

Typical examples of pump mounted CuprionTM Anti Fouling Electrodes

Electrodes

To assist with the distribution of the copper ions, the Cuprion™ system also features aluminium
anodes. A second electrical circuit is used to produce aluminium ions and these react with the sea
water to form hydrated aluminium oxide. This in turn combines with the copper ions to produce a
‘floc’ of aluminium hydroxide. The floc maintains the copper ions in suspension so that they are
carried with the water as it is pumped through the system. Data from Cuprion™ installations show
that this technology allows copper ions to be carried over many kilometres of pipe work, so
protecting it from fouling.

3
CUPRION ELECTROLYTIC ANTI FOULING
TM

PUMP MOUNTED OR TANK SYSTEM?

Pump mounted Cuprion™ electrodes can be provided to suit the majority of marine pump
configurations. An alternative system has been developed for customers to suit multiple pump
applications, or where there is insufficient space to fit a conventional electrode to the pump intake.
The Cuprion™ tank system has electrodes which are contained in a remote tank through which a
constant flow of water is passed, and then fed to the pump intake. The water becomes treated with
copper/aluminium ions in the tank, and the discharge of this treated water gives anti fouling
protection to the pump(s).

A typical tank system is shown below:

The CuprionTM tank system was developed with the maintenance engineer in mind and contains
design features to ensure reliability and a low maintenance burden:
• Constant water flow through tank
• No motorised control valves
• System output is electronically regulated by varying anode currents
• No moving parts for single pump system
• Simple solenoid valves for flow control in multiple pump applications
• Simple anode replacement (~30 mins)
• Self contained package – all equipment on skid

4
CUPRION ELECTROLYTIC ANTI FOULING
TM

ALTERNATIVE METHODS OF MARINE GROWTH CONTROL

Chlorine based systems are the traditional method used for marine growth control. Chlorine is a
highly effective anti fouling agent, but has high toxicity and is corrosive to marine equipment when
dosing is not accurately controlled. Manual dosing with chlorine based products is notoriously
unreliable due to the human factors involved, and storage and shipping of chemicals are
problematic and costly. These issues mean that overdosing and corrosion problems are
commonplace. Periodic ‘shock dosing’ with chlorine may also result in the release of marine growth
that has accumulated between treatments, causing downstream filters and equipment to become
blocked or contaminated.

More sophisticated chlorine based systems generate chlorine (hyperchlorite) from sea water. This
equipment is contained in a ‘package’ or ‘skid’ which is mounted on the deck of the platform. These
systems feature high power consumption and a high level of mechanical complexity, with pumps,
motorised valves, mixers etc. It eliminates the hazards of transporting and storing chemicals. These
systems generate the anti fouling agent and then mix it with water which is then piped to the pump
intake.

CuprionTM has a number of advantages over chlorine based systems:

• CuprionTM cannot cause corrosion.

• High reliability
• No chemicals to handle or store
• Automatic operation to suit pump duty
• 24/7 continuous protection
• No routine maintenance
• Low power consumption (~1kW)

5
Cathodic 6pp - Single Pages 3/3/08 10:18 Page 6

HEAD OFFICE
Cathodic Protection Co. Limited
Venture Way
Grantham
Lincolnshire
NG31 7XS
United Kingdom
Tel: + 44 (0)1476 590666
Fax: + 44 (0)1476 570605
Email: cpc@cathodic.co.uk
UK BRANCH OFFICE

Cathodic Protection Co. Limited

Electra House
Crewe Business Park
Crewe
Cheshire
CW1 6GL
United Kingdom
Tel: + 44 (0)1270 500440
ABU DHABI OFFICE

Cathodic Protection Co. Limited

Abu Dhabi Branch Office
P.O. Box 52937
Abu Dhabi
United Arab Emirates
Tel: + 971 2 671 6895
Fax: + 971 2 674 2342
Email: cathodic@emirates.net.ae

accreditations

www.cathodic.co.uk
 Marine Growth Anti-Fouling Systems

Cuprion™
FIREWATER PUMP FOULING PREVENTION

NFPA 20 - Cuprion™ STANDARD RANGE

CPCL have developed a standard range to suit National Fire Protection Association directives in NFPA 20 –
Standard for the Installation of Stationary Pumps for Fire Protection. The selector chart overleaf indicates the
range of Cuprion™ systems available to suit NFPA 20.

NFPA 20 - Cuprion™ SCOPE OF SUPPLY

NOTES.

Items 2, 3,6,7,8 &10 provided by CPCL, remainder by others. CPCL can provide Items 4,9,11 & 12 upon request
and receipt of relevant information.

Standard TR Control Unit utilises M/Steel coated IP45 enclosure suitable for indoor installation, other specifica-
tions available upon request.

Electrode Unit cable tail employs multi-stranded, tinned copper conductor, CSA to suit current output.

System available in 12-14 weeks (Ex-Works) from Approved Documents/Purchase Order depending on client
requirements,
 Marine Growth Anti-Fouling Systems

Cuprion™
FIREWATER PUMP FOULING PREVENTION

NFPA 20 - Cuprion™ SYSTEM SELECTOR

Flow Rate Electrode Electrode Cuprion™ System

Life (Years) Weight (kgs) I.D. Code

Usgpm L/min
25 95 10 45 NFPA - 0025 - 10
50 189 10 45 NFPA - 0050 - 10
100 379 10 45 NFPA - 0100 - 10
150 568 5 45 NFPA - 0150 - 05
200 757 5 45 NFPA - 0200 - 05
250 946 5 45 NFPA - 0250 - 05
300 1,136 5 45 NFPA - 0300 - 05
400 1,514 5 60 NFPA - 0400 - 05
450 1,703 5 60 NFPA - 0450 - 05
500 1,892 5 60 NFPA - 0500 - 05
750 2,839 5 80 NFPA - 0750 - 05
1,000 3,785 5 90 NFPA - 1000 - 05
1,250 4,731 5 110 NFPA - 1250 - 05
1,500 5,677 5 145 NFPA - 1500 - 05
2,000 7,570 5 145 NFPA - 2000 - 05
2,500 9,462 5 170 NFPA - 2500 - 05
3,000 11,355 5 200 NFPA - 3000 - 05
3,500 13,247 5 245 NFPA - 3500 - 05
4,000 15,140 5 260 NFPA - 4000 - 05
4,500 17,032 5 310 NFPA - 4500 - 05
5,000 18,925 5 390 NFPA - 5000 - 05

Electrode unit weight may vary, sizing based on maximum practical weight, shorter electrode life can be
accommodated to suit project specific requirements.

CPCL shall provide a formal quotation for a standard NFPA 20 Cuprion™ within 2 working days from receipt
of a formal enquiry, email sales@cathodic.co.uk. For further visit our website at www.cathodic.co.uk.